7 files changed, 4347 insertions, 1 deletions
diff --git a/libmate-desktop/Makefile.am b/libmate-desktop/Makefile.am
index b36047c..3e35321 100644
--- a/libmate-desktop/Makefile.am
+++ b/libmate-desktop/Makefile.am
@@ -11,7 +11,10 @@ libmate_desktop_HEADERS = \
 mate-desktop-thumbnail.h \
 mate-rr.h \
 mate-rr-config.h \
- mate-rr-labeler.h
+ mate-rr-labeler.h \
+ mate-colorbutton.h \
+ mate-colorsel.h \
+ mate-colorseldialog.h
 
 lib_LTLIBRARIES = libmate-desktop-2.la
 
@@ -43,6 +46,9 @@ libmate_desktop_2_la_SOURCES = \
 mate-rr-config.c \
 mate-rr-labeler.c \
 mate-rr-private.h \
+ mate-colorbutton.c \
+ mate-colorsel.c \
+ mate-colorseldialog.c \
 edid-parse.c \
 edid.h \
 private.h
diff --git a/libmate-desktop/mate-colorbutton.c b/libmate-desktop/mate-colorbutton.c
new file mode 100644
index 0000000..e329d3a
--- /dev/null
+++ b/libmate-desktop/mate-colorbutton.c
@@ -0,0 +1,865 @@
+/*
+ * GTK - The GIMP Toolkit
+ * Copyright (C) 1998, 1999 Red Hat, Inc.
+ * All rights reserved.
+ *
+ * This Library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This Library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the Gnome Library; see the file COPYING.LIB. If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/* Color picker button for GNOME
+ *
+ * Author: Federico Mena <[email protected]>
+ *
+ * Modified by the GTK+ Team and others 2003. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+
+#include "config.h"
+#include "private.h"
+
+#include "mate-colorbutton.h"
+#include "mate-colorsel.h"
+#include "mate-colorseldialog.h"
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <glib/gi18n-lib.h>
+
+/* Size of checks and gray levels for alpha compositing checkerboard */
+#define CHECK_SIZE 4
+#define CHECK_DARK (1.0 / 3.0)
+#define CHECK_LIGHT (2.0 / 3.0)
+
+#define MATE_COLOR_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), MATE_TYPE_COLOR_BUTTON, MateColorButtonPrivate))
+
+struct _MateColorButtonPrivate 
+{
+ GtkWidget *draw_area; /* Widget where we draw the color sample */
+ GtkWidget *cs_dialog; /* Color selection dialog */
+ 
+ gchar *title; /* Title for the color selection window */
+ 
+ GdkColor color;
+ guint16 alpha;
+ 
+ guint use_alpha : 1; /* Use alpha or not */
+};
+
+/* Properties */
+enum 
+{
+ PROP_0,
+ PROP_USE_ALPHA,
+ PROP_TITLE,
+ PROP_COLOR,
+ PROP_ALPHA
+};
+
+/* Signals */
+enum 
+{
+ COLOR_SET,
+ LAST_SIGNAL
+};
+
+/* gobject signals */
+static void mate_color_button_finalize (GObject *object);
+static void mate_color_button_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void mate_color_button_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+/* gtkwidget signals */
+static void mate_color_button_state_changed (GtkWidget *widget, 
+ GtkStateType previous_state);
+
+/* gtkbutton signals */
+static void mate_color_button_clicked (GtkButton *button);
+
+/* source side drag signals */
+static void mate_color_button_drag_begin (GtkWidget *widget,
+ GdkDragContext *context,
+ gpointer data);
+static void mate_color_button_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time,
+ MateColorButton *color_button);
+
+/* target side drag signals */
+static void mate_color_button_drag_data_received (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint32 time,
+ MateColorButton *color_button);
+
+
+static guint color_button_signals[LAST_SIGNAL] = { 0 };
+
+static const GtkTargetEntry drop_types[] = { { "application/x-color", 0, 0 } };
+
+G_DEFINE_TYPE (MateColorButton, mate_color_button, GTK_TYPE_BUTTON)
+
+static void
+mate_color_button_class_init (MateColorButtonClass *klass)
+{
+ GObjectClass *gobject_class;
+ GtkWidgetClass *widget_class;
+ GtkButtonClass *button_class;
+
+ gobject_class = G_OBJECT_CLASS (klass);
+ widget_class = GTK_WIDGET_CLASS (klass);
+ button_class = GTK_BUTTON_CLASS (klass);
+
+ gobject_class->get_property = mate_color_button_get_property;
+ gobject_class->set_property = mate_color_button_set_property;
+ gobject_class->finalize = mate_color_button_finalize;
+ widget_class->state_changed = mate_color_button_state_changed;
+ button_class->clicked = mate_color_button_clicked;
+ klass->color_set = NULL;
+
+ /**
+ * MateColorButton:use-alpha:
+ *
+ * If this property is set to %TRUE, the color swatch on the button is rendered against a 
+ * checkerboard background to show its opacity and the opacity slider is displayed in the 
+ * color selection dialog. 
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_USE_ALPHA,
+ g_param_spec_boolean ("use-alpha", _("Use alpha"), 
+ _("Whether or not to give the color an alpha value"),
+ FALSE,
+ G_PARAM_READWRITE));
+
+ /**
+ * MateColorButton:title:
+ *
+ * The title of the color selection dialog
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_TITLE,
+ g_param_spec_string ("title", 
+ _("Title"), 
+ _("The title of the color selection dialog"),
+ _("Pick a Color"),
+ G_PARAM_READWRITE));
+
+ /**
+ * MateColorButton:color:
+ *
+ * The selected color.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_COLOR,
+ g_param_spec_boxed ("color",
+ _("Current Color"),
+ _("The selected color"),
+ GDK_TYPE_COLOR,
+ G_PARAM_READWRITE));
+
+ /**
+ * MateColorButton:alpha:
+ *
+ * The selected opacity value (0 fully transparent, 65535 fully opaque). 
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_ALPHA,
+ g_param_spec_uint ("alpha",
+ _("Current Alpha"),
+ _("The selected opacity value (0 fully transparent, 65535 fully opaque)"),
+ 0, 65535, 65535,
+ G_PARAM_READWRITE));
+ 
+ /**
+ * MateColorButton::color-set:
+ * @widget: the object which received the signal.
+ * 
+ * The ::color-set signal is emitted when the user selects a color. 
+ * When handling this signal, use mate_color_button_get_color() and 
+ * mate_color_button_get_alpha() to find out which color was just selected.
+ *
+ * Note that this signal is only emitted when the <emphasis>user</emphasis>
+ * changes the color. If you need to react to programmatic color changes
+ * as well, use the notify::color signal.
+ *
+ * Since: 2.4
+ */
+ color_button_signals[COLOR_SET] = g_signal_new ("color-set",
+ G_TYPE_FROM_CLASS (gobject_class),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (MateColorButtonClass, color_set),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ g_type_class_add_private (gobject_class, sizeof (MateColorButtonPrivate));
+}
+
+static gboolean
+mate_color_button_has_alpha (MateColorButton *color_button)
+{
+ return color_button->priv->use_alpha &&
+ color_button->priv->alpha < 65535;
+}
+
+static cairo_pattern_t *
+mate_color_button_get_checkered (void)
+{
+ /* need to respect pixman's stride being a multiple of 4 */
+ static unsigned char data[8] = { 0xFF, 0x00, 0x00, 0x00,
+ 0x00, 0xFF, 0x00, 0x00 };
+ static cairo_surface_t *checkered = NULL;
+ cairo_pattern_t *pattern;
+
+ if (checkered == NULL)
+ {
+ checkered = cairo_image_surface_create_for_data (data,
+ CAIRO_FORMAT_A8,
+ 2, 2, 4);
+ }
+
+ pattern = cairo_pattern_create_for_surface (checkered);
+ cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
+ cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST);
+
+ return pattern;
+}
+
+/* Handle exposure events for the color picker's drawing area */
+static gint
+expose_event (GtkWidget *widget, 
+ GdkEventExpose *event, 
+ gpointer data)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (data);
+ GtkAllocation allocation;
+ cairo_pattern_t *checkered;
+ cairo_t *cr;
+
+ cr = gdk_cairo_create (event->window);
+
+ gtk_widget_get_allocation (widget, &allocation);
+ gdk_cairo_rectangle (cr, &allocation);
+ cairo_clip (cr);
+
+ if (mate_color_button_has_alpha (color_button))
+ {
+ cairo_save (cr);
+
+ cairo_set_source_rgb (cr, CHECK_DARK, CHECK_DARK, CHECK_DARK);
+ cairo_paint (cr);
+
+ cairo_set_source_rgb (cr, CHECK_LIGHT, CHECK_LIGHT, CHECK_LIGHT);
+ cairo_scale (cr, CHECK_SIZE, CHECK_SIZE);
+
+ checkered = mate_color_button_get_checkered ();
+ cairo_mask (cr, checkered);
+ cairo_pattern_destroy (checkered);
+
+ cairo_restore (cr);
+
+ cairo_set_source_rgba (cr,
+ color_button->priv->color.red / 65535.,
+ color_button->priv->color.green / 65535.,
+ color_button->priv->color.blue / 65535.,
+ color_button->priv->alpha / 65535.);
+ }
+ else
+ {
+ gdk_cairo_set_source_color (cr, &color_button->priv->color);
+ }
+
+ cairo_paint (cr);
+
+ if (!gtk_widget_is_sensitive (GTK_WIDGET (color_button)))
+ {
+ gdk_cairo_set_source_color (cr, &GTK_WIDGET(color_button)->style->bg[GTK_STATE_INSENSITIVE]);
+ checkered = mate_color_button_get_checkered ();
+ cairo_mask (cr, checkered);
+ cairo_pattern_destroy (checkered);
+ }
+
+ cairo_destroy (cr);
+
+ return FALSE;
+}
+
+static void
+mate_color_button_state_changed (GtkWidget *widget, 
+ GtkStateType previous_state)
+{
+ gtk_widget_queue_draw (widget);
+}
+
+static void
+mate_color_button_drag_data_received (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint32 time,
+ MateColorButton *color_button)
+{
+ guint16 *dropped;
+
+ if (selection_data->length < 0)
+ return;
+
+ /* We accept drops with the wrong format, since the KDE color
+ * chooser incorrectly drops application/x-color with format 8.
+ */
+ if (selection_data->length != 8) 
+ {
+ g_warning (_("Received invalid color data\n"));
+ return;
+ }
+
+
+ dropped = (guint16 *)selection_data->data;
+
+ color_button->priv->color.red = dropped[0];
+ color_button->priv->color.green = dropped[1];
+ color_button->priv->color.blue = dropped[2];
+ color_button->priv->alpha = dropped[3];
+
+ gtk_widget_queue_draw (color_button->priv->draw_area);
+
+ g_signal_emit (color_button, color_button_signals[COLOR_SET], 0);
+
+ g_object_freeze_notify (G_OBJECT (color_button));
+ g_object_notify (G_OBJECT (color_button), "color");
+ g_object_notify (G_OBJECT (color_button), "alpha");
+ g_object_thaw_notify (G_OBJECT (color_button));
+}
+
+static void
+set_color_icon (GdkDragContext *context,
+ GdkColor *color)
+{
+ GdkPixbuf *pixbuf;
+ guint32 pixel;
+
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE,
+ 8, 48, 32);
+
+ pixel = ((color->red & 0xff00) << 16) | 
+ ((color->green & 0xff00) << 8) | 
+ (color->blue & 0xff00);
+
+ gdk_pixbuf_fill (pixbuf, pixel);
+ 
+ gtk_drag_set_icon_pixbuf (context, pixbuf, -2, -2);
+ g_object_unref (pixbuf);
+}
+
+static void
+mate_color_button_drag_begin (GtkWidget *widget,
+ GdkDragContext *context,
+ gpointer data)
+{
+ MateColorButton *color_button = data;
+ 
+ set_color_icon (context, &color_button->priv->color);
+}
+
+static void
+mate_color_button_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time,
+ MateColorButton *color_button)
+{
+ guint16 dropped[4];
+
+ dropped[0] = color_button->priv->color.red;
+ dropped[1] = color_button->priv->color.green;
+ dropped[2] = color_button->priv->color.blue;
+ dropped[3] = color_button->priv->alpha;
+
+ gtk_selection_data_set (selection_data, selection_data->target,
+ 16, (guchar *)dropped, 8);
+}
+
+static void
+mate_color_button_init (MateColorButton *color_button)
+{
+ GtkWidget *alignment;
+ GtkWidget *frame;
+ PangoLayout *layout;
+ PangoRectangle rect;
+
+ _mate_desktop_init_i18n ();
+
+ /* Create the widgets */
+ color_button->priv = MATE_COLOR_BUTTON_GET_PRIVATE (color_button);
+
+ gtk_widget_push_composite_child ();
+
+ alignment = gtk_alignment_new (0.5, 0.5, 0.5, 1.0);
+ gtk_container_set_border_width (GTK_CONTAINER (alignment), 1);
+ gtk_container_add (GTK_CONTAINER (color_button), alignment);
+ gtk_widget_show (alignment);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_OUT);
+ gtk_container_add (GTK_CONTAINER (alignment), frame);
+ gtk_widget_show (frame);
+
+ /* Just some widget we can hook to expose-event on */
+ color_button->priv->draw_area = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+
+ layout = gtk_widget_create_pango_layout (GTK_WIDGET (color_button), "Black");
+ pango_layout_get_pixel_extents (layout, NULL, &rect);
+ g_object_unref (layout);
+
+ gtk_widget_set_size_request (color_button->priv->draw_area, rect.width - 2, rect.height - 2);
+ g_signal_connect (color_button->priv->draw_area, "expose-event",
+ G_CALLBACK (expose_event), color_button);
+ gtk_container_add (GTK_CONTAINER (frame), color_button->priv->draw_area);
+ gtk_widget_show (color_button->priv->draw_area);
+
+ color_button->priv->title = g_strdup (_("Pick a Color")); /* default title */
+
+ /* Start with opaque black, alpha disabled */
+
+ color_button->priv->color.red = 0;
+ color_button->priv->color.green = 0;
+ color_button->priv->color.blue = 0;
+ color_button->priv->alpha = 65535;
+ color_button->priv->use_alpha = FALSE;
+
+ gtk_drag_dest_set (GTK_WIDGET (color_button),
+ GTK_DEST_DEFAULT_MOTION |
+ GTK_DEST_DEFAULT_HIGHLIGHT |
+ GTK_DEST_DEFAULT_DROP,
+ drop_types, 1, GDK_ACTION_COPY);
+ gtk_drag_source_set (GTK_WIDGET(color_button),
+ GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
+ drop_types, 1,
+ GDK_ACTION_COPY);
+ g_signal_connect (color_button, "drag-begin",
+ G_CALLBACK (mate_color_button_drag_begin), color_button);
+ g_signal_connect (color_button, "drag-data-received",
+ G_CALLBACK (mate_color_button_drag_data_received), color_button);
+ g_signal_connect (color_button, "drag-data-get",
+ G_CALLBACK (mate_color_button_drag_data_get), color_button);
+
+ gtk_widget_pop_composite_child ();
+}
+
+static void
+mate_color_button_finalize (GObject *object)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (object);
+
+ if (color_button->priv->cs_dialog != NULL)
+ gtk_widget_destroy (color_button->priv->cs_dialog);
+ color_button->priv->cs_dialog = NULL;
+
+ g_free (color_button->priv->title);
+ color_button->priv->title = NULL;
+
+ G_OBJECT_CLASS (mate_color_button_parent_class)->finalize (object);
+}
+
+
+/**
+ * mate_color_button_new:
+ *
+ * Creates a new color button. This returns a widget in the form of
+ * a small button containing a swatch representing the current selected 
+ * color. When the button is clicked, a color-selection dialog will open, 
+ * allowing the user to select a color. The swatch will be updated to reflect 
+ * the new color when the user finishes.
+ *
+ * Returns: a new color button.
+ *
+ * Since: 2.4
+ */
+GtkWidget *
+mate_color_button_new (void)
+{
+ return g_object_new (MATE_TYPE_COLOR_BUTTON, NULL);
+}
+
+/**
+ * mate_color_button_new_with_color:
+ * @color: A #GdkColor to set the current color with.
+ *
+ * Creates a new color button. 
+ *
+ * Returns: a new color button.
+ *
+ * Since: 2.4
+ */
+GtkWidget *
+mate_color_button_new_with_color (const GdkColor *color)
+{
+ return g_object_new (MATE_TYPE_COLOR_BUTTON, "color", color, NULL);
+}
+
+static void
+dialog_ok_clicked (GtkWidget *widget, 
+ gpointer data)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (data);
+ MateColorSelection *color_selection;
+
+ color_selection = MATE_COLOR_SELECTION (MATE_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog)->colorsel);
+
+ mate_color_selection_get_current_color (color_selection, &color_button->priv->color);
+ color_button->priv->alpha = mate_color_selection_get_current_alpha (color_selection);
+
+ gtk_widget_hide (color_button->priv->cs_dialog);
+
+ gtk_widget_queue_draw (color_button->priv->draw_area);
+
+ g_signal_emit (color_button, color_button_signals[COLOR_SET], 0);
+
+ g_object_freeze_notify (G_OBJECT (color_button));
+ g_object_notify (G_OBJECT (color_button), "color");
+ g_object_notify (G_OBJECT (color_button), "alpha");
+ g_object_thaw_notify (G_OBJECT (color_button));
+}
+
+static gboolean
+dialog_destroy (GtkWidget *widget, 
+ gpointer data)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (data);
+ 
+ color_button->priv->cs_dialog = NULL;
+
+ return FALSE;
+}
+
+static void
+dialog_cancel_clicked (GtkWidget *widget,
+ gpointer data)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (data);
+ 
+ gtk_widget_hide (color_button->priv->cs_dialog); 
+}
+
+static void
+mate_color_button_clicked (GtkButton *button)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (button);
+ MateColorSelectionDialog *color_dialog;
+
+ /* if dialog already exists, make sure it's shown and raised */
+ if (!color_button->priv->cs_dialog) 
+ {
+ /* Create the dialog and connects its buttons */
+ GtkWidget *parent;
+ 
+ parent = gtk_widget_get_toplevel (GTK_WIDGET (color_button));
+ 
+ color_button->priv->cs_dialog = mate_color_selection_dialog_new (color_button->priv->title);
+ 
+ color_dialog = MATE_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog);
+
+ if (gtk_widget_is_toplevel (parent) && GTK_IS_WINDOW (parent))
+ {
+ if (GTK_WINDOW (parent) != gtk_window_get_transient_for (GTK_WINDOW (color_dialog)))
+ gtk_window_set_transient_for (GTK_WINDOW (color_dialog), GTK_WINDOW (parent));
+ 
+ gtk_window_set_modal (GTK_WINDOW (color_dialog),
+ gtk_window_get_modal (GTK_WINDOW (parent)));
+ }
+ 
+ g_signal_connect (color_dialog->ok_button, "clicked",
+ G_CALLBACK (dialog_ok_clicked), color_button);
+ g_signal_connect (color_dialog->cancel_button, "clicked",
+ G_CALLBACK (dialog_cancel_clicked), color_button);
+ g_signal_connect (color_dialog, "destroy",
+ G_CALLBACK (dialog_destroy), color_button);
+ }
+
+ color_dialog = MATE_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog);
+
+ mate_color_selection_set_has_opacity_control (MATE_COLOR_SELECTION (color_dialog->colorsel),
+ color_button->priv->use_alpha);
+ 
+ mate_color_selection_set_previous_color (MATE_COLOR_SELECTION (color_dialog->colorsel), 
+ &color_button->priv->color);
+ mate_color_selection_set_previous_alpha (MATE_COLOR_SELECTION (color_dialog->colorsel), 
+ color_button->priv->alpha);
+
+ mate_color_selection_set_current_color (MATE_COLOR_SELECTION (color_dialog->colorsel), 
+ &color_button->priv->color);
+ mate_color_selection_set_current_alpha (MATE_COLOR_SELECTION (color_dialog->colorsel), 
+ color_button->priv->alpha);
+
+ gtk_window_present (GTK_WINDOW (color_button->priv->cs_dialog));
+}
+
+/**
+ * mate_color_button_set_color:
+ * @color_button: a #MateColorButton.
+ * @color: A #GdkColor to set the current color with.
+ *
+ * Sets the current color to be @color.
+ *
+ * Since: 2.4
+ **/
+void
+mate_color_button_set_color (MateColorButton *color_button,
+ const GdkColor *color)
+{
+ g_return_if_fail (MATE_IS_COLOR_BUTTON (color_button));
+ g_return_if_fail (color != NULL);
+
+ color_button->priv->color.red = color->red;
+ color_button->priv->color.green = color->green;
+ color_button->priv->color.blue = color->blue;
+
+ gtk_widget_queue_draw (color_button->priv->draw_area);
+ 
+ g_object_notify (G_OBJECT (color_button), "color");
+}
+
+
+/**
+ * mate_color_button_set_alpha:
+ * @color_button: a #MateColorButton.
+ * @alpha: an integer between 0 and 65535.
+ *
+ * Sets the current opacity to be @alpha. 
+ *
+ * Since: 2.4
+ **/
+void
+mate_color_button_set_alpha (MateColorButton *color_button,
+ guint16 alpha)
+{
+ g_return_if_fail (MATE_IS_COLOR_BUTTON (color_button));
+
+ color_button->priv->alpha = alpha;
+
+ gtk_widget_queue_draw (color_button->priv->draw_area);
+
+ g_object_notify (G_OBJECT (color_button), "alpha");
+}
+
+/**
+ * mate_color_button_get_color:
+ * @color_button: a #MateColorButton.
+ * @color: a #GdkColor to fill in with the current color.
+ *
+ * Sets @color to be the current color in the #MateColorButton widget.
+ *
+ * Since: 2.4
+ **/
+void
+mate_color_button_get_color (MateColorButton *color_button,
+ GdkColor *color)
+{
+ g_return_if_fail (MATE_IS_COLOR_BUTTON (color_button));
+ 
+ color->red = color_button->priv->color.red;
+ color->green = color_button->priv->color.green;
+ color->blue = color_button->priv->color.blue;
+}
+
+/**
+ * mate_color_button_get_alpha:
+ * @color_button: a #MateColorButton.
+ *
+ * Returns the current alpha value. 
+ *
+ * Return value: an integer between 0 and 65535.
+ *
+ * Since: 2.4
+ **/
+guint16
+mate_color_button_get_alpha (MateColorButton *color_button)
+{
+ g_return_val_if_fail (MATE_IS_COLOR_BUTTON (color_button), 0);
+ 
+ return color_button->priv->alpha;
+}
+
+/**
+ * mate_color_button_set_use_alpha:
+ * @color_button: a #MateColorButton.
+ * @use_alpha: %TRUE if color button should use alpha channel, %FALSE if not.
+ *
+ * Sets whether or not the color button should use the alpha channel.
+ *
+ * Since: 2.4
+ */
+void
+mate_color_button_set_use_alpha (MateColorButton *color_button, 
+ gboolean use_alpha)
+{
+ g_return_if_fail (MATE_IS_COLOR_BUTTON (color_button));
+
+ use_alpha = (use_alpha != FALSE);
+
+ if (color_button->priv->use_alpha != use_alpha) 
+ {
+ color_button->priv->use_alpha = use_alpha;
+
+ gtk_widget_queue_draw (color_button->priv->draw_area);
+
+ g_object_notify (G_OBJECT (color_button), "use-alpha");
+ }
+}
+
+/**
+ * mate_color_button_get_use_alpha:
+ * @color_button: a #MateColorButton.
+ *
+ * Does the color selection dialog use the alpha channel?
+ *
+ * Returns: %TRUE if the color sample uses alpha channel, %FALSE if not.
+ *
+ * Since: 2.4
+ */
+gboolean
+mate_color_button_get_use_alpha (MateColorButton *color_button)
+{
+ g_return_val_if_fail (MATE_IS_COLOR_BUTTON (color_button), FALSE);
+
+ return color_button->priv->use_alpha;
+}
+
+
+/**
+ * mate_color_button_set_title:
+ * @color_button: a #MateColorButton
+ * @title: String containing new window title.
+ *
+ * Sets the title for the color selection dialog.
+ *
+ * Since: 2.4
+ */
+void
+mate_color_button_set_title (MateColorButton *color_button, 
+ const gchar *title)
+{
+ gchar *old_title;
+
+ g_return_if_fail (MATE_IS_COLOR_BUTTON (color_button));
+
+ old_title = color_button->priv->title;
+ color_button->priv->title = g_strdup (title);
+ g_free (old_title);
+
+ if (color_button->priv->cs_dialog)
+ gtk_window_set_title (GTK_WINDOW (color_button->priv->cs_dialog), 
+ color_button->priv->title);
+ 
+ g_object_notify (G_OBJECT (color_button), "title");
+}
+
+/**
+ * mate_color_button_get_title:
+ * @color_button: a #MateColorButton
+ *
+ * Gets the title of the color selection dialog.
+ *
+ * Returns: An internal string, do not free the return value
+ *
+ * Since: 2.4
+ */
+const gchar *
+mate_color_button_get_title (MateColorButton *color_button)
+{
+ g_return_val_if_fail (MATE_IS_COLOR_BUTTON (color_button), NULL);
+
+ return color_button->priv->title;
+}
+
+static void
+mate_color_button_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (object);
+
+ switch (param_id) 
+ {
+ case PROP_USE_ALPHA:
+ mate_color_button_set_use_alpha (color_button, g_value_get_boolean (value));
+ break;
+ case PROP_TITLE:
+ mate_color_button_set_title (color_button, g_value_get_string (value));
+ break;
+ case PROP_COLOR:
+ mate_color_button_set_color (color_button, g_value_get_boxed (value));
+ break;
+ case PROP_ALPHA:
+ mate_color_button_set_alpha (color_button, g_value_get_uint (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+mate_color_button_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ MateColorButton *color_button = MATE_COLOR_BUTTON (object);
+ GdkColor color;
+
+ switch (param_id) 
+ {
+ case PROP_USE_ALPHA:
+ g_value_set_boolean (value, mate_color_button_get_use_alpha (color_button));
+ break;
+ case PROP_TITLE:
+ g_value_set_string (value, mate_color_button_get_title (color_button));
+ break;
+ case PROP_COLOR:
+ mate_color_button_get_color (color_button, &color);
+ g_value_set_boxed (value, &color);
+ break;
+ case PROP_ALPHA:
+ g_value_set_uint (value, mate_color_button_get_alpha (color_button));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
diff --git a/libmate-desktop/mate-colorbutton.h b/libmate-desktop/mate-colorbutton.h
new file mode 100644
index 0000000..04809bd
--- /dev/null
+++ b/libmate-desktop/mate-colorbutton.h
@@ -0,0 +1,98 @@
+/*
+ * GTK - The GIMP Toolkit
+ * Copyright (C) 1998, 1999 Red Hat, Inc.
+ * All rights reserved.
+ *
+ * This Library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This Library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the Gnome Library; see the file COPYING.LIB. If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* Color picker button for GNOME
+ *
+ * Author: Federico Mena <[email protected]>
+ *
+ * Modified by the GTK+ Team and others 2003. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __MATE_COLOR_BUTTON_H__
+#define __MATE_COLOR_BUTTON_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+
+/* The MateColorButton widget is a simple color picker in a button.
+ * The button displays a sample of the currently selected color. When
+ * the user clicks on the button, a color selection dialog pops up.
+ * The color picker emits the "color_set" signal when the color is set.
+ */
+
+#define MATE_TYPE_COLOR_BUTTON (mate_color_button_get_type ())
+#define MATE_COLOR_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MATE_TYPE_COLOR_BUTTON, MateColorButton))
+#define MATE_COLOR_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MATE_TYPE_COLOR_BUTTON, MateColorButtonClass))
+#define MATE_IS_COLOR_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MATE_TYPE_COLOR_BUTTON))
+#define MATE_IS_COLOR_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MATE_TYPE_COLOR_BUTTON))
+#define MATE_COLOR_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MATE_TYPE_COLOR_BUTTON, MateColorButtonClass))
+
+typedef struct _MateColorButton MateColorButton;
+typedef struct _MateColorButtonClass MateColorButtonClass;
+typedef struct _MateColorButtonPrivate MateColorButtonPrivate;
+
+struct _MateColorButton {
+ GtkButton button;
+
+ /*< private >*/
+
+ MateColorButtonPrivate *GSEAL (priv);
+};
+
+struct _MateColorButtonClass {
+ GtkButtonClass parent_class;
+
+ void (* color_set) (MateColorButton *cp);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
+};
+
+
+GType mate_color_button_get_type (void) G_GNUC_CONST;
+GtkWidget *mate_color_button_new (void);
+GtkWidget *mate_color_button_new_with_color (const GdkColor *color);
+void mate_color_button_set_color (MateColorButton *color_button,
+ const GdkColor *color);
+void mate_color_button_set_alpha (MateColorButton *color_button,
+ guint16 alpha);
+void mate_color_button_get_color (MateColorButton *color_button,
+ GdkColor *color);
+guint16 mate_color_button_get_alpha (MateColorButton *color_button);
+void mate_color_button_set_use_alpha (MateColorButton *color_button,
+ gboolean use_alpha);
+gboolean mate_color_button_get_use_alpha (MateColorButton *color_button);
+void mate_color_button_set_title (MateColorButton *color_button,
+ const gchar *title);
+const gchar *mate_color_button_get_title (MateColorButton *color_button);
+
+
+G_END_DECLS
+
+#endif /* __MATE_COLOR_BUTTON_H__ */
diff --git a/libmate-desktop/mate-colorsel.c b/libmate-desktop/mate-colorsel.c
new file mode 100644
index 0000000..40f9856
--- /dev/null
+++ b/libmate-desktop/mate-colorsel.c
@@ -0,0 +1,2943 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2000 Red Hat, Inc.
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2001. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+
+#include "config.h"
+#include "private.h"
+#include <math.h>
+#include <string.h>
+
+#include <gdkconfig.h>
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtk.h>
+#include <glib/gi18n-lib.h>
+#include "mate-colorsel.h"
+
+/* Keep it in sync with gtksettings.c:default_color_palette */
+#define DEFAULT_COLOR_PALETTE "black:white:gray50:red:purple:blue:light blue:green:yellow:orange:lavender:brown:goldenrod4:dodger blue:pink:light green:gray10:gray30:gray75:gray90"
+
+/* Number of elements in the custom palatte */
+#define GTK_CUSTOM_PALETTE_WIDTH 10
+#define GTK_CUSTOM_PALETTE_HEIGHT 2
+
+#define CUSTOM_PALETTE_ENTRY_WIDTH 20
+#define CUSTOM_PALETTE_ENTRY_HEIGHT 20
+
+/* The cursor for the dropper */
+#define DROPPER_WIDTH 17
+#define DROPPER_HEIGHT 17
+#define DROPPER_STRIDE 4
+#define DROPPER_X_HOT 2
+#define DROPPER_Y_HOT 16
+
+#define SAMPLE_WIDTH 64
+#define SAMPLE_HEIGHT 28
+#define CHECK_SIZE 16 
+#define BIG_STEP 20
+
+/* Conversion between 0->1 double and and guint16. See
+ * scale_round() below for more general conversions
+ */
+#define SCALE(i) (i / 65535.)
+#define UNSCALE(d) ((guint16)(d * 65535 + 0.5))
+#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11)
+
+enum {
+ COLOR_CHANGED,
+ LAST_SIGNAL
+};
+
+enum {
+ PROP_0,
+ PROP_HAS_PALETTE,
+ PROP_HAS_OPACITY_CONTROL,
+ PROP_CURRENT_COLOR,
+ PROP_CURRENT_ALPHA
+};
+
+enum {
+ COLORSEL_RED = 0,
+ COLORSEL_GREEN = 1,
+ COLORSEL_BLUE = 2,
+ COLORSEL_OPACITY = 3,
+ COLORSEL_HUE,
+ COLORSEL_SATURATION,
+ COLORSEL_VALUE,
+ COLORSEL_NUM_CHANNELS
+};
+
+typedef struct _ColorSelectionPrivate ColorSelectionPrivate;
+
+struct _ColorSelectionPrivate
+{
+ guint has_opacity : 1;
+ guint has_palette : 1;
+ guint changing : 1;
+ guint default_set : 1;
+ guint default_alpha_set : 1;
+ guint has_grab : 1;
+ 
+ gdouble color[COLORSEL_NUM_CHANNELS];
+ gdouble old_color[COLORSEL_NUM_CHANNELS];
+ 
+ GtkWidget *triangle_colorsel;
+ GtkWidget *hue_spinbutton;
+ GtkWidget *sat_spinbutton;
+ GtkWidget *val_spinbutton;
+ GtkWidget *red_spinbutton;
+ GtkWidget *green_spinbutton;
+ GtkWidget *blue_spinbutton;
+ GtkWidget *opacity_slider;
+ GtkWidget *opacity_label;
+ GtkWidget *opacity_entry;
+ GtkWidget *palette_frame;
+ GtkWidget *hex_entry;
+ 
+ /* The Palette code */
+ GtkWidget *custom_palette [GTK_CUSTOM_PALETTE_WIDTH][GTK_CUSTOM_PALETTE_HEIGHT];
+ 
+ /* The color_sample stuff */
+ GtkWidget *sample_area;
+ GtkWidget *old_sample;
+ GtkWidget *cur_sample;
+ GtkWidget *colorsel;
+
+ /* Window for grabbing on */
+ GtkWidget *dropper_grab_widget;
+ guint32 grab_time;
+
+ /* Connection to settings */
+ gulong settings_connection;
+};
+
+
+static void mate_color_selection_destroy (GtkObject *object);
+static void mate_color_selection_finalize (GObject *object);
+static void update_color (MateColorSelection *colorsel);
+static void mate_color_selection_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void mate_color_selection_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void mate_color_selection_realize (GtkWidget *widget);
+static void mate_color_selection_unrealize (GtkWidget *widget);
+static void mate_color_selection_show_all (GtkWidget *widget);
+static gboolean mate_color_selection_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event);
+
+static void mate_color_selection_set_palette_color (MateColorSelection *colorsel,
+ gint index,
+ GdkColor *color);
+static void set_focus_line_attributes (GtkWidget *drawing_area,
+ cairo_t *cr,
+ gint *focus_width);
+static void default_noscreen_change_palette_func (const GdkColor *colors,
+ gint n_colors);
+static void default_change_palette_func (GdkScreen *screen,
+ const GdkColor *colors,
+ gint n_colors);
+static void make_control_relations (AtkObject *atk_obj,
+ GtkWidget *widget);
+static void make_all_relations (AtkObject *atk_obj,
+ ColorSelectionPrivate *priv);
+
+static void hsv_changed (GtkWidget *hsv,
+ gpointer data);
+static void get_screen_color (GtkWidget *button);
+static void adjustment_changed (GtkAdjustment *adjustment,
+ gpointer data);
+static void opacity_entry_changed (GtkWidget *opacity_entry,
+ gpointer data);
+static void hex_changed (GtkWidget *hex_entry,
+ gpointer data);
+static gboolean hex_focus_out (GtkWidget *hex_entry, 
+ GdkEventFocus *event,
+ gpointer data);
+static void color_sample_new (MateColorSelection *colorsel);
+static void make_label_spinbutton (MateColorSelection *colorsel,
+ GtkWidget **spinbutton,
+ gchar *text,
+ GtkWidget *table,
+ gint i,
+ gint j,
+ gint channel_type,
+ const gchar *tooltip);
+static void make_palette_frame (MateColorSelection *colorsel,
+ GtkWidget *table,
+ gint i,
+ gint j);
+static void set_selected_palette (MateColorSelection *colorsel,
+ int x,
+ int y);
+static void set_focus_line_attributes (GtkWidget *drawing_area,
+ cairo_t *cr,
+ gint *focus_width);
+static gboolean mouse_press (GtkWidget *invisible,
+ GdkEventButton *event,
+ gpointer data);
+static void palette_change_notify_instance (GObject *object,
+ GParamSpec *pspec,
+ gpointer data);
+static void update_palette (MateColorSelection *colorsel);
+static void shutdown_eyedropper (GtkWidget *widget);
+
+static guint color_selection_signals[LAST_SIGNAL] = { 0 };
+
+static MateColorSelectionChangePaletteFunc noscreen_change_palette_hook = default_noscreen_change_palette_func;
+static MateColorSelectionChangePaletteWithScreenFunc change_palette_hook = default_change_palette_func;
+
+static const guchar dropper_bits[] = {
+ 0xff, 0x8f, 0x01, 0x00, 0xff, 0x77, 0x01, 0x00,
+ 0xff, 0xfb, 0x00, 0x00, 0xff, 0xf8, 0x00, 0x00,
+ 0x7f, 0xff, 0x00, 0x00, 0xff, 0x7e, 0x01, 0x00,
+ 0xff, 0x9d, 0x01, 0x00, 0xff, 0xd8, 0x01, 0x00,
+ 0x7f, 0xd4, 0x01, 0x00, 0x3f, 0xee, 0x01, 0x00,
+ 0x1f, 0xff, 0x01, 0x00, 0x8f, 0xff, 0x01, 0x00,
+ 0xc7, 0xff, 0x01, 0x00, 0xe3, 0xff, 0x01, 0x00,
+ 0xf3, 0xff, 0x01, 0x00, 0xfd, 0xff, 0x01, 0x00,
+ 0xff, 0xff, 0x01, 0x00 };
+
+static const guchar dropper_mask[] = {
+ 0x00, 0x70, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x00,
+ 0x00, 0xfc, 0x01, 0x00, 0x00, 0xff, 0x01, 0x00,
+ 0x80, 0xff, 0x01, 0x00, 0x00, 0xff, 0x00, 0x00,
+ 0x00, 0x7f, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
+ 0xc0, 0x3f, 0x00, 0x00, 0xe0, 0x13, 0x00, 0x00,
+ 0xf0, 0x01, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00,
+ 0x7c, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x00,
+ 0x1e, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00,
+ 0x02, 0x00, 0x00, 0x00 };
+
+G_DEFINE_TYPE (MateColorSelection, mate_color_selection, GTK_TYPE_VBOX)
+
+static void
+mate_color_selection_class_init (MateColorSelectionClass *klass)
+{
+ GObjectClass *gobject_class;
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ 
+ gobject_class = G_OBJECT_CLASS (klass);
+ gobject_class->finalize = mate_color_selection_finalize;
+ gobject_class->set_property = mate_color_selection_set_property;
+ gobject_class->get_property = mate_color_selection_get_property;
+
+ object_class = GTK_OBJECT_CLASS (klass);
+ object_class->destroy = mate_color_selection_destroy;
+ 
+ widget_class = GTK_WIDGET_CLASS (klass);
+ widget_class->realize = mate_color_selection_realize;
+ widget_class->unrealize = mate_color_selection_unrealize;
+ widget_class->show_all = mate_color_selection_show_all;
+ widget_class->grab_broken_event = mate_color_selection_grab_broken;
+ 
+ g_object_class_install_property (gobject_class,
+ PROP_HAS_OPACITY_CONTROL,
+ g_param_spec_boolean ("has-opacity-control",
+ _("Has Opacity Control"),
+ _("Whether the color selector should allow setting opacity"),
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_HAS_PALETTE,
+ g_param_spec_boolean ("has-palette",
+ _("Has palette"),
+ _("Whether a palette should be used"),
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_CURRENT_COLOR,
+ g_param_spec_boxed ("current-color",
+ _("Current Color"),
+ _("The current color"),
+ GDK_TYPE_COLOR,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_CURRENT_ALPHA,
+ g_param_spec_uint ("current-alpha",
+ _("Current Alpha"),
+ _("The current opacity value (0 fully transparent, 65535 fully opaque)"),
+ 0, 65535, 65535,
+ G_PARAM_READWRITE));
+ 
+ color_selection_signals[COLOR_CHANGED] =
+ g_signal_new ("color-changed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (MateColorSelectionClass, color_changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ g_type_class_add_private (gobject_class, sizeof (ColorSelectionPrivate));
+}
+
+static void
+mate_color_selection_init (MateColorSelection *colorsel)
+{
+ GtkWidget *top_hbox;
+ GtkWidget *top_right_vbox;
+ GtkWidget *table, *label, *hbox, *frame, *vbox, *button;
+ GtkAdjustment *adjust;
+ GtkWidget *picker_image;
+ gint i, j;
+ ColorSelectionPrivate *priv;
+ AtkObject *atk_obj;
+ GList *focus_chain = NULL;
+ 
+ _mate_desktop_init_i18n ();
+ 
+ gtk_widget_push_composite_child ();
+
+ priv = colorsel->private_data = G_TYPE_INSTANCE_GET_PRIVATE (colorsel, MATE_TYPE_COLOR_SELECTION, ColorSelectionPrivate);
+ priv->changing = FALSE;
+ priv->default_set = FALSE;
+ priv->default_alpha_set = FALSE;
+ 
+ top_hbox = gtk_hbox_new (FALSE, 12);
+ gtk_box_pack_start (GTK_BOX (colorsel), top_hbox, FALSE, FALSE, 0);
+ 
+ vbox = gtk_vbox_new (FALSE, 6);
+ priv->triangle_colorsel = gtk_hsv_new ();
+ g_signal_connect (priv->triangle_colorsel, "changed",
+ G_CALLBACK (hsv_changed), colorsel);
+ gtk_hsv_set_metrics (GTK_HSV (priv->triangle_colorsel), 174, 15);
+ gtk_box_pack_start (GTK_BOX (top_hbox), vbox, FALSE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox), priv->triangle_colorsel, FALSE, FALSE, 0);
+ gtk_widget_set_tooltip_text (priv->triangle_colorsel,
+ _("Select the color you want from the outer ring. Select the darkness or lightness of that color using the inner triangle."));
+ 
+ hbox = gtk_hbox_new (FALSE, 6);
+ gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ 
+ frame = gtk_frame_new (NULL);
+ gtk_widget_set_size_request (frame, -1, 30);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ color_sample_new (colorsel);
+ gtk_container_add (GTK_CONTAINER (frame), priv->sample_area);
+ gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
+ 
+ button = gtk_button_new ();
+
+ gtk_widget_set_events (button, GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
+ g_object_set_data (G_OBJECT (button), "COLORSEL", colorsel); 
+ g_signal_connect (button, "clicked",
+ G_CALLBACK (get_screen_color), NULL);
+ picker_image = gtk_image_new_from_stock (GTK_STOCK_COLOR_PICKER, GTK_ICON_SIZE_BUTTON);
+ gtk_container_add (GTK_CONTAINER (button), picker_image);
+ gtk_widget_show (GTK_WIDGET (picker_image));
+ gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+
+ gtk_widget_set_tooltip_text (button,
+ _("Click the eyedropper, then click a color anywhere on your screen to select that color."));
+ 
+ top_right_vbox = gtk_vbox_new (FALSE, 6);
+ gtk_box_pack_start (GTK_BOX (top_hbox), top_right_vbox, FALSE, FALSE, 0);
+ table = gtk_table_new (8, 6, FALSE);
+ gtk_box_pack_start (GTK_BOX (top_right_vbox), table, FALSE, FALSE, 0);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 6);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 12);
+ 
+ make_label_spinbutton (colorsel, &priv->hue_spinbutton, _("_Hue:"), table, 0, 0, COLORSEL_HUE,
+ _("Position on the color wheel."));
+ gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (priv->hue_spinbutton), TRUE);
+ make_label_spinbutton (colorsel, &priv->sat_spinbutton, _("_Saturation:"), table, 0, 1, COLORSEL_SATURATION,
+ _("\"Deepness\" of the color."));
+ make_label_spinbutton (colorsel, &priv->val_spinbutton, _("_Value:"), table, 0, 2, COLORSEL_VALUE,
+ _("Brightness of the color."));
+ make_label_spinbutton (colorsel, &priv->red_spinbutton, _("_Red:"), table, 6, 0, COLORSEL_RED,
+ _("Amount of red light in the color."));
+ make_label_spinbutton (colorsel, &priv->green_spinbutton, _("_Green:"), table, 6, 1, COLORSEL_GREEN,
+ _("Amount of green light in the color."));
+ make_label_spinbutton (colorsel, &priv->blue_spinbutton, _("_Blue:"), table, 6, 2, COLORSEL_BLUE,
+ _("Amount of blue light in the color."));
+ gtk_table_attach_defaults (GTK_TABLE (table), gtk_hseparator_new (), 0, 8, 3, 4); 
+
+ priv->opacity_label = gtk_label_new_with_mnemonic (_("Op_acity:")); 
+ gtk_misc_set_alignment (GTK_MISC (priv->opacity_label), 0.0, 0.5); 
+ gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_label, 0, 1, 4, 5); 
+ adjust = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 1.0, 0.0)); 
+ g_object_set_data (G_OBJECT (adjust), "COLORSEL", colorsel); 
+ priv->opacity_slider = gtk_hscale_new (adjust);
+ gtk_widget_set_tooltip_text (priv->opacity_slider,
+ _("Transparency of the color."));
+ gtk_label_set_mnemonic_widget (GTK_LABEL (priv->opacity_label),
+ priv->opacity_slider);
+ gtk_scale_set_draw_value (GTK_SCALE (priv->opacity_slider), FALSE);
+ g_signal_connect (adjust, "value-changed",
+ G_CALLBACK (adjustment_changed),
+ GINT_TO_POINTER (COLORSEL_OPACITY));
+ gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_slider, 1, 7, 4, 5); 
+ priv->opacity_entry = gtk_entry_new (); 
+ gtk_widget_set_tooltip_text (priv->opacity_entry,
+ _("Transparency of the color."));
+ gtk_widget_set_size_request (priv->opacity_entry, 40, -1); 
+
+ g_signal_connect (priv->opacity_entry, "activate",
+ G_CALLBACK (opacity_entry_changed), colorsel);
+ gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_entry, 7, 8, 4, 5);
+ 
+ label = gtk_label_new_with_mnemonic (_("Color _name:"));
+ gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 5, 6);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ priv->hex_entry = gtk_entry_new ();
+
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->hex_entry);
+
+ g_signal_connect (priv->hex_entry, "activate",
+ G_CALLBACK (hex_changed), colorsel);
+
+ g_signal_connect (priv->hex_entry, "focus-out-event",
+ G_CALLBACK (hex_focus_out), colorsel);
+
+ gtk_widget_set_tooltip_text (priv->hex_entry,
+ _("You can enter an HTML-style hexadecimal color value, or simply a color name such as 'orange' in this entry."));
+ 
+ gtk_entry_set_width_chars (GTK_ENTRY (priv->hex_entry), 7);
+ gtk_table_attach_defaults (GTK_TABLE (table), priv->hex_entry, 1, 5, 5, 6);
+
+ focus_chain = g_list_append (focus_chain, priv->hue_spinbutton);
+ focus_chain = g_list_append (focus_chain, priv->sat_spinbutton);
+ focus_chain = g_list_append (focus_chain, priv->val_spinbutton);
+ focus_chain = g_list_append (focus_chain, priv->red_spinbutton);
+ focus_chain = g_list_append (focus_chain, priv->green_spinbutton);
+ focus_chain = g_list_append (focus_chain, priv->blue_spinbutton);
+ focus_chain = g_list_append (focus_chain, priv->opacity_slider);
+ focus_chain = g_list_append (focus_chain, priv->opacity_entry);
+ focus_chain = g_list_append (focus_chain, priv->hex_entry);
+ gtk_container_set_focus_chain (GTK_CONTAINER (table), focus_chain);
+ g_list_free (focus_chain);
+
+ /* Set up the palette */
+ table = gtk_table_new (GTK_CUSTOM_PALETTE_HEIGHT, GTK_CUSTOM_PALETTE_WIDTH, TRUE);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 1);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 1);
+ for (i = 0; i < GTK_CUSTOM_PALETTE_WIDTH; i++)
+ {
+ for (j = 0; j < GTK_CUSTOM_PALETTE_HEIGHT; j++)
+ {
+ make_palette_frame (colorsel, table, i, j);
+ }
+ }
+ set_selected_palette (colorsel, 0, 0);
+ priv->palette_frame = gtk_vbox_new (FALSE, 6);
+ label = gtk_label_new_with_mnemonic (_("_Palette:"));
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_box_pack_start (GTK_BOX (priv->palette_frame), label, FALSE, FALSE, 0);
+
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label),
+ priv->custom_palette[0][0]);
+ 
+ gtk_box_pack_end (GTK_BOX (top_right_vbox), priv->palette_frame, FALSE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX (priv->palette_frame), table, FALSE, FALSE, 0);
+ 
+ gtk_widget_show_all (top_hbox);
+
+ /* hide unused stuff */
+ 
+ if (priv->has_opacity == FALSE)
+ {
+ gtk_widget_hide (priv->opacity_label);
+ gtk_widget_hide (priv->opacity_slider);
+ gtk_widget_hide (priv->opacity_entry);
+ }
+ 
+ if (priv->has_palette == FALSE)
+ {
+ gtk_widget_hide (priv->palette_frame);
+ }
+
+ atk_obj = gtk_widget_get_accessible (priv->triangle_colorsel);
+ if (GTK_IS_ACCESSIBLE (atk_obj))
+ {
+ atk_object_set_name (atk_obj, _("Color Wheel"));
+ atk_object_set_role (gtk_widget_get_accessible (GTK_WIDGET (colorsel)), ATK_ROLE_COLOR_CHOOSER);
+ make_all_relations (atk_obj, priv);
+ } 
+
+ gtk_widget_pop_composite_child ();
+}
+
+/* GObject methods */
+static void
+mate_color_selection_finalize (GObject *object)
+{
+ G_OBJECT_CLASS (mate_color_selection_parent_class)->finalize (object);
+}
+
+static void
+mate_color_selection_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (object);
+ 
+ switch (prop_id)
+ {
+ case PROP_HAS_OPACITY_CONTROL:
+ mate_color_selection_set_has_opacity_control (colorsel, 
+ g_value_get_boolean (value));
+ break;
+ case PROP_HAS_PALETTE:
+ mate_color_selection_set_has_palette (colorsel, 
+ g_value_get_boolean (value));
+ break;
+ case PROP_CURRENT_COLOR:
+ mate_color_selection_set_current_color (colorsel, g_value_get_boxed (value));
+ break;
+ case PROP_CURRENT_ALPHA:
+ mate_color_selection_set_current_alpha (colorsel, g_value_get_uint (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+ 
+}
+
+static void
+mate_color_selection_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (object);
+ GdkColor color;
+ 
+ switch (prop_id)
+ {
+ case PROP_HAS_OPACITY_CONTROL:
+ g_value_set_boolean (value, mate_color_selection_get_has_opacity_control (colorsel));
+ break;
+ case PROP_HAS_PALETTE:
+ g_value_set_boolean (value, mate_color_selection_get_has_palette (colorsel));
+ break;
+ case PROP_CURRENT_COLOR:
+ mate_color_selection_get_current_color (colorsel, &color);
+ g_value_set_boxed (value, &color);
+ break;
+ case PROP_CURRENT_ALPHA:
+ g_value_set_uint (value, mate_color_selection_get_current_alpha (colorsel));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+/* GtkObject methods */
+
+static void
+mate_color_selection_destroy (GtkObject *object)
+{
+ MateColorSelection *cselection = MATE_COLOR_SELECTION (object);
+ ColorSelectionPrivate *priv = cselection->private_data;
+
+ if (priv->dropper_grab_widget)
+ {
+ gtk_widget_destroy (priv->dropper_grab_widget);
+ priv->dropper_grab_widget = NULL;
+ }
+
+ GTK_OBJECT_CLASS (mate_color_selection_parent_class)->destroy (object);
+}
+
+/* GtkWidget methods */
+
+static void
+mate_color_selection_realize (GtkWidget *widget)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (widget);
+ ColorSelectionPrivate *priv = colorsel->private_data;
+ GtkSettings *settings = gtk_widget_get_settings (widget);
+
+ priv->settings_connection = g_signal_connect (settings,
+ "notify::gtk-color-palette",
+ G_CALLBACK (palette_change_notify_instance),
+ widget);
+ update_palette (colorsel);
+
+ GTK_WIDGET_CLASS (mate_color_selection_parent_class)->realize (widget);
+}
+
+static void
+mate_color_selection_unrealize (GtkWidget *widget)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (widget);
+ ColorSelectionPrivate *priv = colorsel->private_data;
+ GtkSettings *settings = gtk_widget_get_settings (widget);
+
+ g_signal_handler_disconnect (settings, priv->settings_connection);
+
+ GTK_WIDGET_CLASS (mate_color_selection_parent_class)->unrealize (widget);
+}
+
+/* We override show-all since we have internal widgets that
+ * shouldn't be shown when you call show_all(), like the
+ * palette and opacity sliders.
+ */
+static void
+mate_color_selection_show_all (GtkWidget *widget)
+{
+ gtk_widget_show (widget);
+}
+
+static gboolean 
+mate_color_selection_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event)
+{
+ shutdown_eyedropper (widget);
+
+ return TRUE;
+}
+
+/*
+ *
+ * The Sample Color
+ *
+ */
+
+static void color_sample_draw_sample (MateColorSelection *colorsel, int which);
+static void color_sample_update_samples (MateColorSelection *colorsel);
+
+static void
+set_color_internal (MateColorSelection *colorsel,
+ gdouble *color)
+{
+ ColorSelectionPrivate *priv;
+ gint i;
+ 
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->color[COLORSEL_RED] = color[0];
+ priv->color[COLORSEL_GREEN] = color[1];
+ priv->color[COLORSEL_BLUE] = color[2];
+ priv->color[COLORSEL_OPACITY] = color[3];
+ gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
+ priv->color[COLORSEL_GREEN],
+ priv->color[COLORSEL_BLUE],
+ &priv->color[COLORSEL_HUE],
+ &priv->color[COLORSEL_SATURATION],
+ &priv->color[COLORSEL_VALUE]);
+ if (priv->default_set == FALSE)
+ {
+ for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
+ priv->old_color[i] = priv->color[i];
+ }
+ priv->default_set = TRUE;
+ priv->default_alpha_set = TRUE;
+ update_color (colorsel);
+}
+
+static void
+set_color_icon (GdkDragContext *context,
+ gdouble *colors)
+{
+ GdkPixbuf *pixbuf;
+ guint32 pixel;
+
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE,
+ 8, 48, 32);
+
+ pixel = (((UNSCALE (colors[COLORSEL_RED]) & 0xff00) << 16) |
+ ((UNSCALE (colors[COLORSEL_GREEN]) & 0xff00) << 8) |
+ ((UNSCALE (colors[COLORSEL_BLUE]) & 0xff00)));
+
+ gdk_pixbuf_fill (pixbuf, pixel);
+ 
+ gtk_drag_set_icon_pixbuf (context, pixbuf, -2, -2);
+ g_object_unref (pixbuf);
+}
+
+static void
+color_sample_drag_begin (GtkWidget *widget,
+ GdkDragContext *context,
+ gpointer data)
+{
+ MateColorSelection *colorsel = data;
+ ColorSelectionPrivate *priv;
+ gdouble *colsrc;
+ 
+ priv = colorsel->private_data;
+ 
+ if (widget == priv->old_sample)
+ colsrc = priv->old_color;
+ else
+ colsrc = priv->color;
+
+ set_color_icon (context, colsrc);
+}
+
+static void
+color_sample_drag_end (GtkWidget *widget,
+ GdkDragContext *context,
+ gpointer data)
+{
+ g_object_set_data (G_OBJECT (widget), "gtk-color-selection-drag-window", NULL);
+}
+
+static void
+color_sample_drop_handle (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time,
+ gpointer data)
+{
+ MateColorSelection *colorsel = data;
+ ColorSelectionPrivate *priv;
+ guint16 *vals;
+ gdouble color[4];
+ priv = colorsel->private_data;
+ 
+ /* This is currently a guint16 array of the format:
+ * R
+ * G
+ * B
+ * opacity
+ */
+ 
+ if (selection_data->length < 0)
+ return;
+ 
+ /* We accept drops with the wrong format, since the KDE color
+ * chooser incorrectly drops application/x-color with format 8.
+ */
+ if (selection_data->length != 8)
+ {
+ g_warning ("Received invalid color data\n");
+ return;
+ }
+ 
+ vals = (guint16 *)selection_data->data;
+ 
+ if (widget == priv->cur_sample)
+ {
+ color[0] = (gdouble)vals[0] / 0xffff;
+ color[1] = (gdouble)vals[1] / 0xffff;
+ color[2] = (gdouble)vals[2] / 0xffff;
+ color[3] = (gdouble)vals[3] / 0xffff;
+ 
+ set_color_internal (colorsel, color);
+ }
+}
+
+static void
+color_sample_drag_handle (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time,
+ gpointer data)
+{
+ MateColorSelection *colorsel = data;
+ ColorSelectionPrivate *priv;
+ guint16 vals[4];
+ gdouble *colsrc;
+ 
+ priv = colorsel->private_data;
+ 
+ if (widget == priv->old_sample)
+ colsrc = priv->old_color;
+ else
+ colsrc = priv->color;
+ 
+ vals[0] = colsrc[COLORSEL_RED] * 0xffff;
+ vals[1] = colsrc[COLORSEL_GREEN] * 0xffff;
+ vals[2] = colsrc[COLORSEL_BLUE] * 0xffff;
+ vals[3] = priv->has_opacity ? colsrc[COLORSEL_OPACITY] * 0xffff : 0xffff;
+ 
+ gtk_selection_data_set (selection_data,
+ gdk_atom_intern_static_string ("application/x-color"),
+ 16, (guchar *)vals, 8);
+}
+
+/* which = 0 means draw old sample, which = 1 means draw new */
+static void
+color_sample_draw_sample (MateColorSelection *colorsel, int which)
+{
+ GtkWidget *da;
+ gint x, y, wid, heig, goff;
+ ColorSelectionPrivate *priv;
+ cairo_t *cr;
+ 
+ g_return_if_fail (colorsel != NULL);
+ priv = colorsel->private_data;
+ 
+ g_return_if_fail (priv->sample_area != NULL);
+ if (!gtk_widget_is_drawable (priv->sample_area))
+ return;
+
+ if (which == 0)
+ {
+ da = priv->old_sample;
+ goff = 0;
+ }
+ else
+ {
+ da = priv->cur_sample;
+ goff = priv->old_sample->allocation.width % 32;
+ }
+
+ cr = gdk_cairo_create (da->window);
+ 
+ wid = da->allocation.width;
+ heig = da->allocation.height;
+
+ /* Below needs tweaking for non-power-of-two */ 
+ 
+ if (priv->has_opacity)
+ {
+ /* Draw checks in background */
+
+ cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
+ cairo_rectangle (cr, 0, 0, wid, heig);
+ cairo_fill (cr);
+
+ cairo_set_source_rgb (cr, 0.75, 0.75, 0.75);
+ for (x = goff & -CHECK_SIZE; x < goff + wid; x += CHECK_SIZE)
+ for (y = 0; y < heig; y += CHECK_SIZE)
+ if ((x / CHECK_SIZE + y / CHECK_SIZE) % 2 == 0)
+ cairo_rectangle (cr, x - goff, y, CHECK_SIZE, CHECK_SIZE);
+ cairo_fill (cr);
+ }
+
+ if (which == 0)
+ {
+ cairo_set_source_rgba (cr,
+ priv->old_color[COLORSEL_RED], 
+ priv->old_color[COLORSEL_GREEN], 
+ priv->old_color[COLORSEL_BLUE],
+ priv->has_opacity ?
+ priv->old_color[COLORSEL_OPACITY] : 1.0);
+ }
+ else
+ {
+ cairo_set_source_rgba (cr,
+ priv->color[COLORSEL_RED], 
+ priv->color[COLORSEL_GREEN], 
+ priv->color[COLORSEL_BLUE],
+ priv->has_opacity ?
+ priv->color[COLORSEL_OPACITY] : 1.0);
+ }
+
+ cairo_rectangle (cr, 0, 0, wid, heig);
+ cairo_fill (cr);
+
+ cairo_destroy (cr);
+}
+
+
+static void
+color_sample_update_samples (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv = colorsel->private_data;
+ gtk_widget_queue_draw (priv->old_sample);
+ gtk_widget_queue_draw (priv->cur_sample);
+}
+
+static gboolean
+color_old_sample_expose (GtkWidget *da,
+ GdkEventExpose *event,
+ MateColorSelection *colorsel)
+{
+ color_sample_draw_sample (colorsel, 0);
+ return FALSE;
+}
+
+
+static gboolean
+color_cur_sample_expose (GtkWidget *da,
+ GdkEventExpose *event,
+ MateColorSelection *colorsel)
+{
+ color_sample_draw_sample (colorsel, 1);
+ return FALSE;
+}
+
+static void
+color_sample_setup_dnd (MateColorSelection *colorsel, GtkWidget *sample)
+{
+ static const GtkTargetEntry targets[] = {
+ { "application/x-color", 0 }
+ };
+ ColorSelectionPrivate *priv;
+ priv = colorsel->private_data;
+ 
+ gtk_drag_source_set (sample,
+ GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
+ targets, 1,
+ GDK_ACTION_COPY | GDK_ACTION_MOVE);
+ 
+ g_signal_connect (sample, "drag-begin",
+ G_CALLBACK (color_sample_drag_begin),
+ colorsel);
+ if (sample == priv->cur_sample)
+ {
+ 
+ gtk_drag_dest_set (sample,
+ GTK_DEST_DEFAULT_HIGHLIGHT |
+ GTK_DEST_DEFAULT_MOTION |
+ GTK_DEST_DEFAULT_DROP,
+ targets, 1,
+ GDK_ACTION_COPY);
+ 
+ g_signal_connect (sample, "drag-end",
+ G_CALLBACK (color_sample_drag_end),
+ colorsel);
+ }
+ 
+ g_signal_connect (sample, "drag-data-get",
+ G_CALLBACK (color_sample_drag_handle),
+ colorsel);
+ g_signal_connect (sample, "drag-data-received",
+ G_CALLBACK (color_sample_drop_handle),
+ colorsel);
+ 
+}
+
+static void
+update_tooltips (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+
+ priv = colorsel->private_data;
+
+ if (priv->has_palette == TRUE)
+ {
+ gtk_widget_set_tooltip_text (priv->old_sample,
+ _("The previously-selected color, for comparison to the color you're selecting now. You can drag this color to a palette entry, or select this color as current by dragging it to the other color swatch alongside."));
+
+ gtk_widget_set_tooltip_text (priv->cur_sample,
+ _("The color you've chosen. You can drag this color to a palette entry to save it for use in the future."));
+ }
+ else
+ {
+ gtk_widget_set_tooltip_text (priv->old_sample,
+ _("The previously-selected color, for comparison to the color you're selecting now."));
+
+ gtk_widget_set_tooltip_text (priv->cur_sample,
+ _("The color you've chosen."));
+ }
+}
+
+static void
+color_sample_new (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+ 
+ priv = colorsel->private_data;
+ 
+ priv->sample_area = gtk_hbox_new (FALSE, 0);
+ priv->old_sample = gtk_drawing_area_new ();
+ priv->cur_sample = gtk_drawing_area_new ();
+
+ gtk_box_pack_start (GTK_BOX (priv->sample_area), priv->old_sample,
+ TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (priv->sample_area), priv->cur_sample,
+ TRUE, TRUE, 0);
+ 
+ g_signal_connect (priv->old_sample, "expose-event",
+ G_CALLBACK (color_old_sample_expose),
+ colorsel);
+ g_signal_connect (priv->cur_sample, "expose-event",
+ G_CALLBACK (color_cur_sample_expose),
+ colorsel);
+ 
+ color_sample_setup_dnd (colorsel, priv->old_sample);
+ color_sample_setup_dnd (colorsel, priv->cur_sample);
+
+ update_tooltips (colorsel);
+
+ gtk_widget_show_all (priv->sample_area);
+}
+
+
+/*
+ *
+ * The palette area code
+ *
+ */
+
+static void
+palette_get_color (GtkWidget *drawing_area, gdouble *color)
+{
+ gdouble *color_val;
+ 
+ g_return_if_fail (color != NULL);
+ 
+ color_val = g_object_get_data (G_OBJECT (drawing_area), "color_val");
+ if (color_val == NULL)
+ {
+ /* Default to white for no good reason */
+ color[0] = 1.0;
+ color[1] = 1.0;
+ color[2] = 1.0;
+ color[3] = 1.0;
+ return;
+ }
+ 
+ color[0] = color_val[0];
+ color[1] = color_val[1];
+ color[2] = color_val[2];
+ color[3] = 1.0;
+}
+
+static void
+palette_paint (GtkWidget *drawing_area,
+ GdkRectangle *area,
+ gpointer data)
+{
+ cairo_t *cr;
+ gint focus_width;
+ 
+ if (drawing_area->window == NULL)
+ return;
+
+ cr = gdk_cairo_create (drawing_area->window);
+
+ gdk_cairo_set_source_color (cr, &drawing_area->style->bg[GTK_STATE_NORMAL]);
+ gdk_cairo_rectangle (cr, area);
+ cairo_fill (cr);
+ 
+ if (gtk_widget_has_focus (drawing_area))
+ {
+ set_focus_line_attributes (drawing_area, cr, &focus_width);
+
+ cairo_rectangle (cr,
+ focus_width / 2., focus_width / 2.,
+ drawing_area->allocation.width - focus_width,
+ drawing_area->allocation.height - focus_width);
+ cairo_stroke (cr);
+ }
+
+ cairo_destroy (cr);
+}
+
+static void
+set_focus_line_attributes (GtkWidget *drawing_area,
+ cairo_t *cr,
+ gint *focus_width)
+{
+ gdouble color[4];
+ gint8 *dash_list;
+ 
+ gtk_widget_style_get (drawing_area,
+ "focus-line-width", focus_width,
+ "focus-line-pattern", (gchar *)&dash_list,
+ NULL);
+ 
+ palette_get_color (drawing_area, color);
+
+ if (INTENSITY (color[0], color[1], color[2]) > 0.5)
+ cairo_set_source_rgb (cr, 0., 0., 0.);
+ else
+ cairo_set_source_rgb (cr, 1., 1., 1.);
+
+ cairo_set_line_width (cr, *focus_width);
+
+ if (dash_list[0])
+ {
+ gint n_dashes = strlen ((gchar *)dash_list);
+ gdouble *dashes = g_new (gdouble, n_dashes);
+ gdouble total_length = 0;
+ gdouble dash_offset;
+ gint i;
+
+ for (i = 0; i < n_dashes; i++)
+ {
+ dashes[i] = dash_list[i];
+ total_length += dash_list[i];
+ }
+
+ /* The dash offset here aligns the pattern to integer pixels
+ * by starting the dash at the right side of the left border
+ * Negative dash offsets in cairo don't work
+ * (https://bugs.freedesktop.org/show_bug.cgi?id=2729)
+ */
+ dash_offset = - *focus_width / 2.;
+ while (dash_offset < 0)
+ dash_offset += total_length;
+ 
+ cairo_set_dash (cr, dashes, n_dashes, dash_offset);
+ g_free (dashes);
+ }
+
+ g_free (dash_list);
+}
+
+static void
+palette_drag_begin (GtkWidget *widget,
+ GdkDragContext *context,
+ gpointer data)
+{
+ gdouble colors[4];
+ 
+ palette_get_color (widget, colors);
+ set_color_icon (context, colors);
+}
+
+static void
+palette_drag_handle (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time,
+ gpointer data)
+{
+ guint16 vals[4];
+ gdouble colsrc[4];
+ 
+ palette_get_color (widget, colsrc);
+ 
+ vals[0] = colsrc[COLORSEL_RED] * 0xffff;
+ vals[1] = colsrc[COLORSEL_GREEN] * 0xffff;
+ vals[2] = colsrc[COLORSEL_BLUE] * 0xffff;
+ vals[3] = 0xffff;
+ 
+ gtk_selection_data_set (selection_data,
+ gdk_atom_intern_static_string ("application/x-color"),
+ 16, (guchar *)vals, 8);
+}
+
+static void
+palette_drag_end (GtkWidget *widget,
+ GdkDragContext *context,
+ gpointer data)
+{
+ g_object_set_data (G_OBJECT (widget), "gtk-color-selection-drag-window", NULL);
+}
+
+static GdkColor *
+get_current_colors (MateColorSelection *colorsel)
+{
+ GtkSettings *settings;
+ GdkColor *colors = NULL;
+ gint n_colors = 0;
+ gchar *palette;
+
+ settings = gtk_widget_get_settings (GTK_WIDGET (colorsel));
+ g_object_get (settings, "gtk-color-palette", &palette, NULL);
+ 
+ if (!mate_color_selection_palette_from_string (palette, &colors, &n_colors))
+ {
+ mate_color_selection_palette_from_string (DEFAULT_COLOR_PALETTE,
+ &colors,
+ &n_colors);
+ }
+ else
+ {
+ /* If there are less colors provided than the number of slots in the
+ * color selection, we fill in the rest from the defaults.
+ */
+ if (n_colors < (GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT))
+ {
+ GdkColor *tmp_colors = colors;
+ gint tmp_n_colors = n_colors;
+ 
+ mate_color_selection_palette_from_string (DEFAULT_COLOR_PALETTE,
+ &colors,
+ &n_colors);
+ memcpy (colors, tmp_colors, sizeof (GdkColor) * tmp_n_colors);
+
+ g_free (tmp_colors);
+ }
+ }
+
+ /* make sure that we fill every slot */
+ g_assert (n_colors == GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
+ g_free (palette);
+ 
+ return colors;
+}
+
+/* Changes the model color */
+static void
+palette_change_color (GtkWidget *drawing_area,
+ MateColorSelection *colorsel,
+ gdouble *color)
+{
+ gint x, y;
+ ColorSelectionPrivate *priv;
+ GdkColor gdk_color;
+ GdkColor *current_colors;
+ GdkScreen *screen;
+
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ g_return_if_fail (GTK_IS_DRAWING_AREA (drawing_area));
+ 
+ priv = colorsel->private_data;
+ 
+ gdk_color.red = UNSCALE (color[0]);
+ gdk_color.green = UNSCALE (color[1]);
+ gdk_color.blue = UNSCALE (color[2]);
+ gdk_color.pixel = 0;
+
+ x = 0;
+ y = 0; /* Quiet GCC */
+ while (x < GTK_CUSTOM_PALETTE_WIDTH)
+ {
+ y = 0;
+ while (y < GTK_CUSTOM_PALETTE_HEIGHT)
+ {
+ if (priv->custom_palette[x][y] == drawing_area)
+ goto out;
+ 
+ ++y;
+ }
+
+ ++x;
+ }
+
+ out:
+ 
+ g_assert (x < GTK_CUSTOM_PALETTE_WIDTH || y < GTK_CUSTOM_PALETTE_HEIGHT);
+
+ current_colors = get_current_colors (colorsel);
+ current_colors[y * GTK_CUSTOM_PALETTE_WIDTH + x] = gdk_color;
+
+ screen = gtk_widget_get_screen (GTK_WIDGET (colorsel));
+ if (change_palette_hook != default_change_palette_func)
+ (* change_palette_hook) (screen, current_colors, 
+ GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
+ else if (noscreen_change_palette_hook != default_noscreen_change_palette_func)
+ {
+ if (screen != gdk_screen_get_default ())
+ g_warning ("mate_color_selection_set_change_palette_hook used by widget is not on the default screen.");
+ (* noscreen_change_palette_hook) (current_colors, 
+ GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
+ }
+ else
+ (* change_palette_hook) (screen, current_colors, 
+ GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
+
+ g_free (current_colors);
+}
+
+/* Changes the view color */
+static void
+palette_set_color (GtkWidget *drawing_area,
+ MateColorSelection *colorsel,
+ gdouble *color)
+{
+ gdouble *new_color = g_new (double, 4);
+ GdkColor gdk_color;
+ 
+ gdk_color.red = UNSCALE (color[0]);
+ gdk_color.green = UNSCALE (color[1]);
+ gdk_color.blue = UNSCALE (color[2]);
+
+ gtk_widget_modify_bg (drawing_area, GTK_STATE_NORMAL, &gdk_color);
+ 
+ if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (drawing_area), "color_set")) == 0)
+ {
+ static const GtkTargetEntry targets[] = {
+ { "application/x-color", 0 }
+ };
+ gtk_drag_source_set (drawing_area,
+ GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
+ targets, 1,
+ GDK_ACTION_COPY | GDK_ACTION_MOVE);
+ 
+ g_signal_connect (drawing_area, "drag-begin",
+ G_CALLBACK (palette_drag_begin),
+ colorsel);
+ g_signal_connect (drawing_area, "drag-data-get",
+ G_CALLBACK (palette_drag_handle),
+ colorsel);
+ 
+ g_object_set_data (G_OBJECT (drawing_area), "color_set",
+ GINT_TO_POINTER (1));
+ }
+
+ new_color[0] = color[0];
+ new_color[1] = color[1];
+ new_color[2] = color[2];
+ new_color[3] = 1.0;
+ 
+ g_object_set_data_full (G_OBJECT (drawing_area), "color_val", new_color, (GDestroyNotify)g_free);
+}
+
+static gboolean
+palette_expose (GtkWidget *drawing_area,
+ GdkEventExpose *event,
+ gpointer data)
+{
+ if (drawing_area->window == NULL)
+ return FALSE;
+ 
+ palette_paint (drawing_area, &(event->area), data);
+ 
+ return FALSE;
+}
+
+static void
+popup_position_func (GtkMenu *menu,
+ gint *x,
+ gint *y,
+ gboolean *push_in,
+ gpointer user_data)
+{
+ GtkWidget *widget;
+ GtkRequisition req; 
+ gint root_x, root_y;
+ GdkScreen *screen;
+ 
+ widget = GTK_WIDGET (user_data);
+ 
+ g_return_if_fail (gtk_widget_get_realized (widget));
+
+ gdk_window_get_origin (widget->window, &root_x, &root_y);
+ 
+ gtk_widget_size_request (GTK_WIDGET (menu), &req);
+
+ /* Put corner of menu centered on color cell */
+ *x = root_x + widget->allocation.width / 2;
+ *y = root_y + widget->allocation.height / 2;
+
+ /* Ensure sanity */
+ screen = gtk_widget_get_screen (widget);
+ *x = CLAMP (*x, 0, MAX (0, gdk_screen_get_width (screen) - req.width));
+ *y = CLAMP (*y, 0, MAX (0, gdk_screen_get_height (screen) - req.height));
+}
+
+static void
+save_color_selected (GtkWidget *menuitem,
+ gpointer data)
+{
+ MateColorSelection *colorsel;
+ GtkWidget *drawing_area;
+ ColorSelectionPrivate *priv;
+
+ drawing_area = GTK_WIDGET (data);
+ 
+ colorsel = MATE_COLOR_SELECTION (g_object_get_data (G_OBJECT (drawing_area),
+ "gtk-color-sel"));
+
+ priv = colorsel->private_data;
+ 
+ palette_change_color (drawing_area, colorsel, priv->color); 
+}
+
+static void
+do_popup (MateColorSelection *colorsel,
+ GtkWidget *drawing_area,
+ guint32 timestamp)
+{
+ GtkWidget *menu;
+ GtkWidget *mi;
+ 
+ g_object_set_data (G_OBJECT (drawing_area),
+ _("gtk-color-sel"),
+ colorsel);
+ 
+ menu = gtk_menu_new ();
+
+ mi = gtk_menu_item_new_with_mnemonic (_("_Save color here"));
+
+ g_signal_connect (mi, "activate",
+ G_CALLBACK (save_color_selected),
+ drawing_area);
+ 
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), mi);
+
+ gtk_widget_show_all (mi);
+
+ gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
+ popup_position_func, drawing_area,
+ 3, timestamp);
+}
+
+
+static gboolean
+palette_enter (GtkWidget *drawing_area,
+ GdkEventCrossing *event,
+ gpointer data)
+{
+ g_object_set_data (G_OBJECT (drawing_area),
+ "gtk-colorsel-have-pointer",
+ GUINT_TO_POINTER (TRUE));
+
+ return FALSE;
+}
+
+static gboolean
+palette_leave (GtkWidget *drawing_area,
+ GdkEventCrossing *event,
+ gpointer data)
+{
+ g_object_set_data (G_OBJECT (drawing_area),
+ "gtk-colorsel-have-pointer",
+ NULL);
+
+ return FALSE;
+}
+
+/* private function copied from gtk2/gtkmain.c */
+static gboolean
+_gtk_button_event_triggers_context_menu (GdkEventButton *event)
+{
+ if (event->type == GDK_BUTTON_PRESS)
+ {
+ if (event->button == 3 &&
+ ! (event->state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK)))
+ return TRUE;
+
+#ifdef GDK_WINDOWING_QUARTZ
+ if (event->button == 1 &&
+ ! (event->state & (GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)) &&
+ (event->state & GDK_CONTROL_MASK))
+ return TRUE;
+#endif
+ }
+
+ return FALSE;
+}
+
+static gboolean
+palette_press (GtkWidget *drawing_area,
+ GdkEventButton *event,
+ gpointer data)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (data);
+
+ gtk_widget_grab_focus (drawing_area);
+
+ if (_gtk_button_event_triggers_context_menu (event))
+ {
+ do_popup (colorsel, drawing_area, event->time);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+palette_release (GtkWidget *drawing_area,
+ GdkEventButton *event,
+ gpointer data)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (data);
+
+ gtk_widget_grab_focus (drawing_area);
+
+ if (event->button == 1 &&
+ g_object_get_data (G_OBJECT (drawing_area),
+ "gtk-colorsel-have-pointer") != NULL)
+ {
+ if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (drawing_area), "color_set")) != 0)
+ {
+ gdouble color[4];
+ palette_get_color (drawing_area, color);
+ set_color_internal (colorsel, color);
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+palette_drop_handle (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time,
+ gpointer data)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (data);
+ guint16 *vals;
+ gdouble color[4];
+ 
+ if (selection_data->length < 0)
+ return;
+ 
+ /* We accept drops with the wrong format, since the KDE color
+ * chooser incorrectly drops application/x-color with format 8.
+ */
+ if (selection_data->length != 8)
+ {
+ g_warning ("Received invalid color data\n");
+ return;
+ }
+ 
+ vals = (guint16 *)selection_data->data;
+ 
+ color[0] = (gdouble)vals[0] / 0xffff;
+ color[1] = (gdouble)vals[1] / 0xffff;
+ color[2] = (gdouble)vals[2] / 0xffff;
+ color[3] = (gdouble)vals[3] / 0xffff;
+ palette_change_color (widget, colorsel, color);
+ set_color_internal (colorsel, color);
+}
+
+static gint
+palette_activate (GtkWidget *widget,
+ GdkEventKey *event,
+ gpointer data)
+{
+ /* should have a drawing area subclass with an activate signal */
+ if ((event->keyval == GDK_space) ||
+ (event->keyval == GDK_Return) ||
+ (event->keyval == GDK_ISO_Enter) ||
+ (event->keyval == GDK_KP_Enter) ||
+ (event->keyval == GDK_KP_Space))
+ {
+ if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "color_set")) != 0)
+ {
+ gdouble color[4];
+ palette_get_color (widget, color);
+ set_color_internal (MATE_COLOR_SELECTION (data), color);
+ }
+ return TRUE;
+ }
+ 
+ return FALSE;
+}
+
+static gboolean
+palette_popup (GtkWidget *widget,
+ gpointer data)
+{
+ MateColorSelection *colorsel = MATE_COLOR_SELECTION (data);
+
+ do_popup (colorsel, widget, GDK_CURRENT_TIME);
+ return TRUE;
+}
+ 
+
+static GtkWidget*
+palette_new (MateColorSelection *colorsel)
+{
+ GtkWidget *retval;
+ ColorSelectionPrivate *priv;
+ 
+ static const GtkTargetEntry targets[] = {
+ { "application/x-color", 0 }
+ };
+
+ priv = colorsel->private_data;
+ 
+ retval = gtk_drawing_area_new ();
+
+ gtk_widget_set_can_focus (retval, TRUE);
+ 
+ g_object_set_data (G_OBJECT (retval), "color_set", GINT_TO_POINTER (0)); 
+ gtk_widget_set_events (retval, GDK_BUTTON_PRESS_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_EXPOSURE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK);
+ 
+ g_signal_connect (retval, "expose-event",
+ G_CALLBACK (palette_expose), colorsel);
+ g_signal_connect (retval, "button-press-event",
+ G_CALLBACK (palette_press), colorsel);
+ g_signal_connect (retval, "button-release-event",
+ G_CALLBACK (palette_release), colorsel);
+ g_signal_connect (retval, "enter-notify-event",
+ G_CALLBACK (palette_enter), colorsel);
+ g_signal_connect (retval, "leave-notify-event",
+ G_CALLBACK (palette_leave), colorsel);
+ g_signal_connect (retval, "key-press-event",
+ G_CALLBACK (palette_activate), colorsel);
+ g_signal_connect (retval, "popup-menu",
+ G_CALLBACK (palette_popup), colorsel);
+ 
+ gtk_drag_dest_set (retval,
+ GTK_DEST_DEFAULT_HIGHLIGHT |
+ GTK_DEST_DEFAULT_MOTION |
+ GTK_DEST_DEFAULT_DROP,
+ targets, 1,
+ GDK_ACTION_COPY);
+ 
+ g_signal_connect (retval, "drag-end",
+ G_CALLBACK (palette_drag_end), NULL);
+ g_signal_connect (retval, "drag-data-received",
+ G_CALLBACK (palette_drop_handle), colorsel);
+
+ gtk_widget_set_tooltip_text (retval,
+ _("Click this palette entry to make it the current color. To change this entry, drag a color swatch here or right-click it and select \"Save color here.\""));
+ return retval;
+}
+
+
+/*
+ *
+ * The actual MateColorSelection widget
+ *
+ */
+
+static GdkCursor *
+make_picker_cursor (GdkScreen *screen)
+{
+ GdkCursor *cursor;
+
+ cursor = gdk_cursor_new_from_name (gdk_screen_get_display (screen),
+ "color-picker");
+
+ if (!cursor)
+ {
+ GdkColor bg = { 0, 0xffff, 0xffff, 0xffff };
+ GdkColor fg = { 0, 0x0000, 0x0000, 0x0000 };
+ GdkWindow *window;
+ GdkPixmap *pixmap, *mask;
+ cairo_surface_t *image;
+ cairo_t *cr;
+
+ window = gdk_screen_get_root_window (screen);
+ 
+
+ pixmap = gdk_pixmap_new (window, DROPPER_WIDTH, DROPPER_HEIGHT, 1);
+
+ cr = gdk_cairo_create (pixmap);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ image = cairo_image_surface_create_for_data ((guchar *) dropper_bits,
+ CAIRO_FORMAT_A1,
+ DROPPER_WIDTH,
+ DROPPER_HEIGHT,
+ DROPPER_STRIDE);
+ cairo_set_source_surface (cr, image, 0, 0);
+ cairo_surface_destroy (image);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+ 
+
+ mask = gdk_pixmap_new (window, DROPPER_WIDTH, DROPPER_HEIGHT, 1);
+
+ cr = gdk_cairo_create (mask);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ image = cairo_image_surface_create_for_data ((guchar *) dropper_mask,
+ CAIRO_FORMAT_A1,
+ DROPPER_WIDTH,
+ DROPPER_HEIGHT,
+ DROPPER_STRIDE);
+ cairo_set_source_surface (cr, image, 0, 0);
+ cairo_surface_destroy (image);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+ 
+ cursor = gdk_cursor_new_from_pixmap (pixmap, mask, &fg, &bg,
+ DROPPER_X_HOT, DROPPER_Y_HOT);
+ 
+ g_object_unref (pixmap);
+ g_object_unref (mask);
+ }
+ 
+ return cursor;
+}
+
+static void
+grab_color_at_mouse (GdkScreen *screen,
+ gint x_root,
+ gint y_root,
+ gpointer data)
+{
+ GdkPixbuf *pixbuf;
+ guchar *pixels;
+ MateColorSelection *colorsel = data;
+ ColorSelectionPrivate *priv;
+ GdkColor color;
+ GdkWindow *root_window = gdk_screen_get_root_window (screen);
+ 
+ priv = colorsel->private_data;
+ 
+ pixbuf = gdk_pixbuf_get_from_drawable (NULL, root_window, NULL,
+ x_root, y_root,
+ 0, 0,
+ 1, 1);
+ if (!pixbuf)
+ {
+ gint x, y;
+ GdkDisplay *display = gdk_screen_get_display (screen);
+ GdkWindow *window = gdk_display_get_window_at_pointer (display, &x, &y);
+ if (!window)
+ return;
+ pixbuf = gdk_pixbuf_get_from_drawable (NULL, window, NULL,
+ x, y,
+ 0, 0,
+ 1, 1);
+ if (!pixbuf)
+ return;
+ }
+ pixels = gdk_pixbuf_get_pixels (pixbuf);
+ color.red = pixels[0] * 0x101;
+ color.green = pixels[1] * 0x101;
+ color.blue = pixels[2] * 0x101;
+ g_object_unref (pixbuf);
+
+ priv->color[COLORSEL_RED] = SCALE (color.red);
+ priv->color[COLORSEL_GREEN] = SCALE (color.green);
+ priv->color[COLORSEL_BLUE] = SCALE (color.blue);
+ 
+ gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
+ priv->color[COLORSEL_GREEN],
+ priv->color[COLORSEL_BLUE],
+ &priv->color[COLORSEL_HUE],
+ &priv->color[COLORSEL_SATURATION],
+ &priv->color[COLORSEL_VALUE]);
+
+ update_color (colorsel);
+}
+
+static void
+shutdown_eyedropper (GtkWidget *widget)
+{
+ MateColorSelection *colorsel;
+ ColorSelectionPrivate *priv;
+ GdkDisplay *display = gtk_widget_get_display (widget);
+
+ colorsel = MATE_COLOR_SELECTION (widget);
+ priv = colorsel->private_data; 
+
+ if (priv->has_grab)
+ {
+ gdk_display_keyboard_ungrab (display, priv->grab_time);
+ gdk_display_pointer_ungrab (display, priv->grab_time);
+ gtk_grab_remove (priv->dropper_grab_widget);
+
+ priv->has_grab = FALSE;
+ }
+}
+
+static void
+mouse_motion (GtkWidget *invisible,
+ GdkEventMotion *event,
+ gpointer data)
+{
+ grab_color_at_mouse (gdk_event_get_screen ((GdkEvent *)event),
+ event->x_root, event->y_root, data); 
+}
+
+static gboolean
+mouse_release (GtkWidget *invisible,
+ GdkEventButton *event,
+ gpointer data)
+{
+ /* MateColorSelection *colorsel = data; */
+
+ if (event->button != 1)
+ return FALSE;
+
+ grab_color_at_mouse (gdk_event_get_screen ((GdkEvent *)event),
+ event->x_root, event->y_root, data);
+
+ shutdown_eyedropper (GTK_WIDGET (data));
+ 
+ g_signal_handlers_disconnect_by_func (invisible,
+ mouse_motion,
+ data);
+ g_signal_handlers_disconnect_by_func (invisible,
+ mouse_release,
+ data);
+
+ return TRUE;
+}
+
+/* Helper Functions */
+
+static gboolean
+key_press (GtkWidget *invisible,
+ GdkEventKey *event,
+ gpointer data)
+{ 
+ GdkDisplay *display = gtk_widget_get_display (invisible);
+ GdkScreen *screen = gdk_event_get_screen ((GdkEvent *)event);
+ guint state = event->state & gtk_accelerator_get_default_mod_mask ();
+ gint x, y;
+ gint dx, dy;
+
+ gdk_display_get_pointer (display, NULL, &x, &y, NULL);
+
+ dx = 0;
+ dy = 0;
+
+ switch (event->keyval) 
+ {
+ case GDK_space:
+ case GDK_Return:
+ case GDK_ISO_Enter:
+ case GDK_KP_Enter:
+ case GDK_KP_Space:
+ grab_color_at_mouse (screen, x, y, data);
+ /* fall through */
+
+ case GDK_Escape:
+ shutdown_eyedropper (data);
+ 
+ g_signal_handlers_disconnect_by_func (invisible,
+ mouse_press,
+ data);
+ g_signal_handlers_disconnect_by_func (invisible,
+ key_press,
+ data);
+ 
+ return TRUE;
+
+#if defined GDK_WINDOWING_X11 || defined GDK_WINDOWING_WIN32
+ case GDK_Up:
+ case GDK_KP_Up:
+ dy = state == GDK_MOD1_MASK ? -BIG_STEP : -1;
+ break;
+
+ case GDK_Down:
+ case GDK_KP_Down:
+ dy = state == GDK_MOD1_MASK ? BIG_STEP : 1;
+ break;
+
+ case GDK_Left:
+ case GDK_KP_Left:
+ dx = state == GDK_MOD1_MASK ? -BIG_STEP : -1;
+ break;
+
+ case GDK_Right:
+ case GDK_KP_Right:
+ dx = state == GDK_MOD1_MASK ? BIG_STEP : 1;
+ break;
+#endif
+
+ default:
+ return FALSE;
+ }
+
+ gdk_display_warp_pointer (display, screen, x + dx, y + dy);
+ 
+ return TRUE;
+
+}
+
+static gboolean
+mouse_press (GtkWidget *invisible,
+ GdkEventButton *event,
+ gpointer data)
+{
+ /* MateColorSelection *colorsel = data; */
+ 
+ if (event->type == GDK_BUTTON_PRESS &&
+ event->button == 1)
+ {
+ g_signal_connect (invisible, "motion-notify-event",
+ G_CALLBACK (mouse_motion),
+ data);
+ g_signal_connect (invisible, "button-release-event",
+ G_CALLBACK (mouse_release),
+ data);
+ g_signal_handlers_disconnect_by_func (invisible,
+ mouse_press,
+ data);
+ g_signal_handlers_disconnect_by_func (invisible,
+ key_press,
+ data);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* when the button is clicked */
+static void
+get_screen_color (GtkWidget *button)
+{
+ MateColorSelection *colorsel = g_object_get_data (G_OBJECT (button), "COLORSEL");
+ ColorSelectionPrivate *priv = colorsel->private_data;
+ GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (button));
+ GdkCursor *picker_cursor;
+ GdkGrabStatus grab_status;
+ GtkWidget *grab_widget, *toplevel;
+
+ guint32 time = gtk_get_current_event_time ();
+ 
+ if (priv->dropper_grab_widget == NULL)
+ {
+ grab_widget = gtk_window_new (GTK_WINDOW_POPUP);
+ gtk_window_set_screen (GTK_WINDOW (grab_widget), screen);
+ gtk_window_resize (GTK_WINDOW (grab_widget), 1, 1);
+ gtk_window_move (GTK_WINDOW (grab_widget), -100, -100);
+ gtk_widget_show (grab_widget);
+
+ gtk_widget_add_events (grab_widget,
+ GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
+ 
+ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (colorsel));
+ 
+ if (GTK_IS_WINDOW (toplevel))
+ {
+ if (GTK_WINDOW (toplevel)->group)
+ gtk_window_group_add_window (GTK_WINDOW (toplevel)->group, 
+ GTK_WINDOW (grab_widget));
+ }
+
+ priv->dropper_grab_widget = grab_widget;
+ }
+
+ if (gdk_keyboard_grab (priv->dropper_grab_widget->window,
+ FALSE, time) != GDK_GRAB_SUCCESS)
+ return;
+ 
+ picker_cursor = make_picker_cursor (screen);
+ grab_status = gdk_pointer_grab (priv->dropper_grab_widget->window,
+ FALSE,
+ GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK,
+ NULL,
+ picker_cursor,
+ time);
+ gdk_cursor_unref (picker_cursor);
+ 
+ if (grab_status != GDK_GRAB_SUCCESS)
+ {
+ gdk_display_keyboard_ungrab (gtk_widget_get_display (button), time);
+ return;
+ }
+
+ gtk_grab_add (priv->dropper_grab_widget);
+ priv->grab_time = time;
+ priv->has_grab = TRUE;
+ 
+ g_signal_connect (priv->dropper_grab_widget, "button-press-event",
+ G_CALLBACK (mouse_press), colorsel);
+ g_signal_connect (priv->dropper_grab_widget, "key-press-event",
+ G_CALLBACK (key_press), colorsel);
+}
+
+static void
+hex_changed (GtkWidget *hex_entry,
+ gpointer data)
+{
+ MateColorSelection *colorsel;
+ ColorSelectionPrivate *priv;
+ GdkColor color;
+ gchar *text;
+ 
+ colorsel = MATE_COLOR_SELECTION (data);
+ priv = colorsel->private_data;
+ 
+ if (priv->changing)
+ return;
+ 
+ text = gtk_editable_get_chars (GTK_EDITABLE (priv->hex_entry), 0, -1);
+ if (gdk_color_parse (text, &color))
+ {
+ priv->color[COLORSEL_RED] = CLAMP (color.red/65535.0, 0.0, 1.0);
+ priv->color[COLORSEL_GREEN] = CLAMP (color.green/65535.0, 0.0, 1.0);
+ priv->color[COLORSEL_BLUE] = CLAMP (color.blue/65535.0, 0.0, 1.0);
+ gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
+ priv->color[COLORSEL_GREEN],
+ priv->color[COLORSEL_BLUE],
+ &priv->color[COLORSEL_HUE],
+ &priv->color[COLORSEL_SATURATION],
+ &priv->color[COLORSEL_VALUE]);
+ update_color (colorsel);
+ }
+ g_free (text);
+}
+
+static gboolean
+hex_focus_out (GtkWidget *hex_entry, 
+ GdkEventFocus *event,
+ gpointer data)
+{
+ hex_changed (hex_entry, data);
+ 
+ return FALSE;
+}
+
+static void
+hsv_changed (GtkWidget *hsv,
+ gpointer data)
+{
+ MateColorSelection *colorsel;
+ ColorSelectionPrivate *priv;
+ 
+ colorsel = MATE_COLOR_SELECTION (data);
+ priv = colorsel->private_data;
+ 
+ if (priv->changing)
+ return;
+ 
+ gtk_hsv_get_color (GTK_HSV (hsv),
+ &priv->color[COLORSEL_HUE],
+ &priv->color[COLORSEL_SATURATION],
+ &priv->color[COLORSEL_VALUE]);
+ gtk_hsv_to_rgb (priv->color[COLORSEL_HUE],
+ priv->color[COLORSEL_SATURATION],
+ priv->color[COLORSEL_VALUE],
+ &priv->color[COLORSEL_RED],
+ &priv->color[COLORSEL_GREEN],
+ &priv->color[COLORSEL_BLUE]);
+ update_color (colorsel);
+}
+
+static void
+adjustment_changed (GtkAdjustment *adjustment,
+ gpointer data)
+{
+ MateColorSelection *colorsel;
+ ColorSelectionPrivate *priv;
+ 
+ colorsel = MATE_COLOR_SELECTION (g_object_get_data (G_OBJECT (adjustment), "COLORSEL"));
+ priv = colorsel->private_data;
+ 
+ if (priv->changing)
+ return;
+ 
+ switch (GPOINTER_TO_INT (data))
+ {
+ case COLORSEL_SATURATION:
+ case COLORSEL_VALUE:
+ priv->color[GPOINTER_TO_INT (data)] = adjustment->value / 100;
+ gtk_hsv_to_rgb (priv->color[COLORSEL_HUE],
+ priv->color[COLORSEL_SATURATION],
+ priv->color[COLORSEL_VALUE],
+ &priv->color[COLORSEL_RED],
+ &priv->color[COLORSEL_GREEN],
+ &priv->color[COLORSEL_BLUE]);
+ break;
+ case COLORSEL_HUE:
+ priv->color[GPOINTER_TO_INT (data)] = adjustment->value / 360;
+ gtk_hsv_to_rgb (priv->color[COLORSEL_HUE],
+ priv->color[COLORSEL_SATURATION],
+ priv->color[COLORSEL_VALUE],
+ &priv->color[COLORSEL_RED],
+ &priv->color[COLORSEL_GREEN],
+ &priv->color[COLORSEL_BLUE]);
+ break;
+ case COLORSEL_RED:
+ case COLORSEL_GREEN:
+ case COLORSEL_BLUE:
+ priv->color[GPOINTER_TO_INT (data)] = adjustment->value / 255;
+ 
+ gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
+ priv->color[COLORSEL_GREEN],
+ priv->color[COLORSEL_BLUE],
+ &priv->color[COLORSEL_HUE],
+ &priv->color[COLORSEL_SATURATION],
+ &priv->color[COLORSEL_VALUE]);
+ break;
+ default:
+ priv->color[GPOINTER_TO_INT (data)] = adjustment->value / 255;
+ break;
+ }
+ update_color (colorsel);
+}
+
+static void 
+opacity_entry_changed (GtkWidget *opacity_entry,
+ gpointer data)
+{
+ MateColorSelection *colorsel;
+ ColorSelectionPrivate *priv;
+ GtkAdjustment *adj;
+ gchar *text;
+ 
+ colorsel = MATE_COLOR_SELECTION (data);
+ priv = colorsel->private_data;
+ 
+ if (priv->changing)
+ return;
+ 
+ text = gtk_editable_get_chars (GTK_EDITABLE (priv->opacity_entry), 0, -1);
+ adj = gtk_range_get_adjustment (GTK_RANGE (priv->opacity_slider));
+ gtk_adjustment_set_value (adj, g_strtod (text, NULL)); 
+ 
+ update_color (colorsel);
+ 
+ g_free (text);
+}
+
+static void
+make_label_spinbutton (MateColorSelection *colorsel,
+ GtkWidget **spinbutton,
+ gchar *text,
+ GtkWidget *table,
+ gint i,
+ gint j,
+ gint channel_type,
+ const gchar *tooltip)
+{
+ GtkWidget *label;
+ GtkAdjustment *adjust;
+
+ if (channel_type == COLORSEL_HUE)
+ {
+ adjust = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 360.0, 1.0, 1.0, 0.0));
+ }
+ else if (channel_type == COLORSEL_SATURATION ||
+ channel_type == COLORSEL_VALUE)
+ {
+ adjust = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 100.0, 1.0, 1.0, 0.0));
+ }
+ else
+ {
+ adjust = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 1.0, 0.0));
+ }
+ g_object_set_data (G_OBJECT (adjust), "COLORSEL", colorsel);
+ *spinbutton = gtk_spin_button_new (adjust, 10.0, 0);
+
+ gtk_widget_set_tooltip_text (*spinbutton, tooltip); 
+
+ g_signal_connect (adjust, "value-changed",
+ G_CALLBACK (adjustment_changed),
+ GINT_TO_POINTER (channel_type));
+ label = gtk_label_new_with_mnemonic (text);
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), *spinbutton);
+
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ gtk_table_attach_defaults (GTK_TABLE (table), label, i, i+1, j, j+1);
+ gtk_table_attach_defaults (GTK_TABLE (table), *spinbutton, i+1, i+2, j, j+1);
+}
+
+static void
+make_palette_frame (MateColorSelection *colorsel,
+ GtkWidget *table,
+ gint i,
+ gint j)
+{
+ GtkWidget *frame;
+ ColorSelectionPrivate *priv;
+ 
+ priv = colorsel->private_data;
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ priv->custom_palette[i][j] = palette_new (colorsel);
+ gtk_widget_set_size_request (priv->custom_palette[i][j], CUSTOM_PALETTE_ENTRY_WIDTH, CUSTOM_PALETTE_ENTRY_HEIGHT);
+ gtk_container_add (GTK_CONTAINER (frame), priv->custom_palette[i][j]);
+ gtk_table_attach_defaults (GTK_TABLE (table), frame, i, i+1, j, j+1);
+}
+
+/* Set the palette entry [x][y] to be the currently selected one. */
+static void 
+set_selected_palette (MateColorSelection *colorsel, int x, int y)
+{
+ ColorSelectionPrivate *priv = colorsel->private_data; 
+
+ gtk_widget_grab_focus (priv->custom_palette[x][y]);
+}
+
+static double
+scale_round (double val, double factor)
+{
+ val = floor (val * factor + 0.5);
+ val = MAX (val, 0);
+ val = MIN (val, factor);
+ return val;
+}
+
+static void
+update_color (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv = colorsel->private_data;
+ gchar entryval[12];
+ gchar opacity_text[32];
+ gchar *ptr;
+ 
+ priv->changing = TRUE;
+ color_sample_update_samples (colorsel);
+ 
+ gtk_hsv_set_color (GTK_HSV (priv->triangle_colorsel),
+ priv->color[COLORSEL_HUE],
+ priv->color[COLORSEL_SATURATION],
+ priv->color[COLORSEL_VALUE]);
+ gtk_adjustment_set_value (gtk_spin_button_get_adjustment
+ (GTK_SPIN_BUTTON (priv->hue_spinbutton)),
+ scale_round (priv->color[COLORSEL_HUE], 360));
+ gtk_adjustment_set_value (gtk_spin_button_get_adjustment
+ (GTK_SPIN_BUTTON (priv->sat_spinbutton)),
+ scale_round (priv->color[COLORSEL_SATURATION], 100));
+ gtk_adjustment_set_value (gtk_spin_button_get_adjustment
+ (GTK_SPIN_BUTTON (priv->val_spinbutton)),
+ scale_round (priv->color[COLORSEL_VALUE], 100));
+ gtk_adjustment_set_value (gtk_spin_button_get_adjustment
+ (GTK_SPIN_BUTTON (priv->red_spinbutton)),
+ scale_round (priv->color[COLORSEL_RED], 255));
+ gtk_adjustment_set_value (gtk_spin_button_get_adjustment
+ (GTK_SPIN_BUTTON (priv->green_spinbutton)),
+ scale_round (priv->color[COLORSEL_GREEN], 255));
+ gtk_adjustment_set_value (gtk_spin_button_get_adjustment
+ (GTK_SPIN_BUTTON (priv->blue_spinbutton)),
+ scale_round (priv->color[COLORSEL_BLUE], 255));
+ gtk_adjustment_set_value (gtk_range_get_adjustment
+ (GTK_RANGE (priv->opacity_slider)),
+ scale_round (priv->color[COLORSEL_OPACITY], 255));
+ 
+ g_snprintf (opacity_text, 32, "%.0f", scale_round (priv->color[COLORSEL_OPACITY], 255));
+ gtk_entry_set_text (GTK_ENTRY (priv->opacity_entry), opacity_text);
+ 
+ g_snprintf (entryval, 11, "#%2X%2X%2X",
+ (guint) (scale_round (priv->color[COLORSEL_RED], 255)),
+ (guint) (scale_round (priv->color[COLORSEL_GREEN], 255)),
+ (guint) (scale_round (priv->color[COLORSEL_BLUE], 255)));
+ 
+ for (ptr = entryval; *ptr; ptr++)
+ if (*ptr == ' ')
+ *ptr = '0';
+ gtk_entry_set_text (GTK_ENTRY (priv->hex_entry), entryval);
+ priv->changing = FALSE;
+
+ g_object_ref (colorsel);
+ 
+ g_signal_emit (colorsel, color_selection_signals[COLOR_CHANGED], 0);
+ 
+ g_object_freeze_notify (G_OBJECT (colorsel));
+ g_object_notify (G_OBJECT (colorsel), "current-color");
+ g_object_notify (G_OBJECT (colorsel), "current-alpha");
+ g_object_thaw_notify (G_OBJECT (colorsel));
+ 
+ g_object_unref (colorsel);
+}
+
+static void
+update_palette (MateColorSelection *colorsel)
+{
+ GdkColor *current_colors;
+ gint i, j;
+
+ current_colors = get_current_colors (colorsel);
+ 
+ for (i = 0; i < GTK_CUSTOM_PALETTE_HEIGHT; i++)
+ {
+ for (j = 0; j < GTK_CUSTOM_PALETTE_WIDTH; j++)
+ {
+ gint index;
+
+ index = i * GTK_CUSTOM_PALETTE_WIDTH + j;
+ 
+ mate_color_selection_set_palette_color (colorsel,
+ index,
+ &current_colors[index]);
+ }
+ }
+
+ g_free (current_colors);
+}
+
+static void
+palette_change_notify_instance (GObject *object,
+ GParamSpec *pspec,
+ gpointer data)
+{
+ update_palette (MATE_COLOR_SELECTION (data));
+}
+
+static void
+default_noscreen_change_palette_func (const GdkColor *colors,
+ gint n_colors)
+{
+ default_change_palette_func (gdk_screen_get_default (), colors, n_colors);
+}
+
+static void
+default_change_palette_func (GdkScreen *screen,
+ const GdkColor *colors,
+ gint n_colors)
+{
+ gchar *str;
+ 
+ str = mate_color_selection_palette_to_string (colors, n_colors);
+
+ gtk_settings_set_string_property (gtk_settings_get_for_screen (screen),
+ "gtk-color-palette",
+ str,
+ "mate_color_selection_palette_to_string");
+
+ g_free (str);
+}
+
+/**
+ * mate_color_selection_new:
+ * 
+ * Creates a new MateColorSelection.
+ * 
+ * Return value: a new #MateColorSelection
+ **/
+GtkWidget *
+mate_color_selection_new (void)
+{
+ MateColorSelection *colorsel;
+ ColorSelectionPrivate *priv;
+ gdouble color[4];
+ color[0] = 1.0;
+ color[1] = 1.0;
+ color[2] = 1.0;
+ color[3] = 1.0;
+ 
+ colorsel = g_object_new (MATE_TYPE_COLOR_SELECTION, NULL);
+ priv = colorsel->private_data;
+ set_color_internal (colorsel, color);
+ mate_color_selection_set_has_opacity_control (colorsel, TRUE);
+ 
+ /* We want to make sure that default_set is FALSE */
+ /* This way the user can still set it */
+ priv->default_set = FALSE;
+ priv->default_alpha_set = FALSE;
+ 
+ return GTK_WIDGET (colorsel);
+}
+
+
+void
+mate_color_selection_set_update_policy (MateColorSelection *colorsel,
+ GtkUpdateType policy)
+{
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+}
+
+/**
+ * mate_color_selection_get_has_opacity_control:
+ * @colorsel: a #MateColorSelection.
+ * 
+ * Determines whether the colorsel has an opacity control.
+ * 
+ * Return value: %TRUE if the @colorsel has an opacity control. %FALSE if it does't.
+ **/
+gboolean
+mate_color_selection_get_has_opacity_control (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_val_if_fail (MATE_IS_COLOR_SELECTION (colorsel), FALSE);
+ 
+ priv = colorsel->private_data;
+ 
+ return priv->has_opacity;
+}
+
+/**
+ * mate_color_selection_set_has_opacity_control:
+ * @colorsel: a #MateColorSelection.
+ * @has_opacity: %TRUE if @colorsel can set the opacity, %FALSE otherwise.
+ *
+ * Sets the @colorsel to use or not use opacity.
+ * 
+ **/
+void
+mate_color_selection_set_has_opacity_control (MateColorSelection *colorsel,
+ gboolean has_opacity)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ 
+ priv = colorsel->private_data;
+ has_opacity = has_opacity != FALSE;
+ 
+ if (priv->has_opacity != has_opacity)
+ {
+ priv->has_opacity = has_opacity;
+ if (has_opacity)
+ {
+ gtk_widget_show (priv->opacity_slider);
+ gtk_widget_show (priv->opacity_label);
+ gtk_widget_show (priv->opacity_entry);
+ }
+ else
+ {
+ gtk_widget_hide (priv->opacity_slider);
+ gtk_widget_hide (priv->opacity_label);
+ gtk_widget_hide (priv->opacity_entry);
+ }
+ color_sample_update_samples (colorsel);
+ 
+ g_object_notify (G_OBJECT (colorsel), "has-opacity-control");
+ }
+}
+
+/**
+ * mate_color_selection_get_has_palette:
+ * @colorsel: a #MateColorSelection.
+ * 
+ * Determines whether the color selector has a color palette.
+ * 
+ * Return value: %TRUE if the selector has a palette. %FALSE if it hasn't.
+ **/
+gboolean
+mate_color_selection_get_has_palette (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_val_if_fail (MATE_IS_COLOR_SELECTION (colorsel), FALSE);
+ 
+ priv = colorsel->private_data;
+ 
+ return priv->has_palette;
+}
+
+/**
+ * mate_color_selection_set_has_palette:
+ * @colorsel: a #MateColorSelection.
+ * @has_palette: %TRUE if palette is to be visible, %FALSE otherwise.
+ *
+ * Shows and hides the palette based upon the value of @has_palette.
+ * 
+ **/
+void
+mate_color_selection_set_has_palette (MateColorSelection *colorsel,
+ gboolean has_palette)
+{
+ ColorSelectionPrivate *priv;
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ 
+ priv = colorsel->private_data;
+ has_palette = has_palette != FALSE;
+ 
+ if (priv->has_palette != has_palette)
+ {
+ priv->has_palette = has_palette;
+ if (has_palette)
+ gtk_widget_show (priv->palette_frame);
+ else
+ gtk_widget_hide (priv->palette_frame);
+
+ update_tooltips (colorsel);
+
+ g_object_notify (G_OBJECT (colorsel), "has-palette");
+ }
+}
+
+/**
+ * mate_color_selection_set_current_color:
+ * @colorsel: a #MateColorSelection.
+ * @color: A #GdkColor to set the current color with.
+ *
+ * Sets the current color to be @color. The first time this is called, it will
+ * also set the original color to be @color too.
+ **/
+void
+mate_color_selection_set_current_color (MateColorSelection *colorsel,
+ const GdkColor *color)
+{
+ ColorSelectionPrivate *priv;
+ gint i;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ g_return_if_fail (color != NULL);
+
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->color[COLORSEL_RED] = SCALE (color->red);
+ priv->color[COLORSEL_GREEN] = SCALE (color->green);
+ priv->color[COLORSEL_BLUE] = SCALE (color->blue);
+ gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
+ priv->color[COLORSEL_GREEN],
+ priv->color[COLORSEL_BLUE],
+ &priv->color[COLORSEL_HUE],
+ &priv->color[COLORSEL_SATURATION],
+ &priv->color[COLORSEL_VALUE]);
+ if (priv->default_set == FALSE)
+ {
+ for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
+ priv->old_color[i] = priv->color[i];
+ }
+ priv->default_set = TRUE;
+ update_color (colorsel);
+}
+
+/**
+ * mate_color_selection_set_current_alpha:
+ * @colorsel: a #MateColorSelection.
+ * @alpha: an integer between 0 and 65535.
+ *
+ * Sets the current opacity to be @alpha. The first time this is called, it will
+ * also set the original opacity to be @alpha too.
+ **/
+void
+mate_color_selection_set_current_alpha (MateColorSelection *colorsel,
+ guint16 alpha)
+{
+ ColorSelectionPrivate *priv;
+ gint i;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ 
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->color[COLORSEL_OPACITY] = SCALE (alpha);
+ if (priv->default_alpha_set == FALSE)
+ {
+ for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
+ priv->old_color[i] = priv->color[i];
+ }
+ priv->default_alpha_set = TRUE;
+ update_color (colorsel);
+}
+
+/**
+ * mate_color_selection_set_color:
+ * @colorsel: a #MateColorSelection.
+ * @color: an array of 4 doubles specifying the red, green, blue and opacity 
+ * to set the current color to.
+ *
+ * Sets the current color to be @color. The first time this is called, it will
+ * also set the original color to be @color too.
+ *
+ * Deprecated: 2.0: Use mate_color_selection_set_current_color() instead.
+ **/
+void
+mate_color_selection_set_color (MateColorSelection *colorsel,
+ gdouble *color)
+{
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+
+ set_color_internal (colorsel, color);
+}
+
+/**
+ * mate_color_selection_get_current_color:
+ * @colorsel: a #MateColorSelection.
+ * @color: (out): a #GdkColor to fill in with the current color.
+ *
+ * Sets @color to be the current color in the MateColorSelection widget.
+ **/
+void
+mate_color_selection_get_current_color (MateColorSelection *colorsel,
+ GdkColor *color)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ g_return_if_fail (color != NULL);
+ 
+ priv = colorsel->private_data;
+ color->red = UNSCALE (priv->color[COLORSEL_RED]);
+ color->green = UNSCALE (priv->color[COLORSEL_GREEN]);
+ color->blue = UNSCALE (priv->color[COLORSEL_BLUE]);
+}
+
+/**
+ * mate_color_selection_get_current_alpha:
+ * @colorsel: a #MateColorSelection.
+ *
+ * Returns the current alpha value.
+ *
+ * Return value: an integer between 0 and 65535.
+ **/
+guint16
+mate_color_selection_get_current_alpha (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_val_if_fail (MATE_IS_COLOR_SELECTION (colorsel), 0);
+ 
+ priv = colorsel->private_data;
+ return priv->has_opacity ? UNSCALE (priv->color[COLORSEL_OPACITY]) : 65535;
+}
+
+/**
+ * mate_color_selection_get_color:
+ * @colorsel: a #MateColorSelection.
+ * @color: an array of 4 #gdouble to fill in with the current color.
+ *
+ * Sets @color to be the current color in the MateColorSelection widget.
+ *
+ * Deprecated: 2.0: Use mate_color_selection_get_current_color() instead.
+ **/
+void
+mate_color_selection_get_color (MateColorSelection *colorsel,
+ gdouble *color)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ 
+ priv = colorsel->private_data;
+ color[0] = priv->color[COLORSEL_RED];
+ color[1] = priv->color[COLORSEL_GREEN];
+ color[2] = priv->color[COLORSEL_BLUE];
+ color[3] = priv->has_opacity ? priv->color[COLORSEL_OPACITY] : 65535;
+}
+
+/**
+ * mate_color_selection_set_previous_color:
+ * @colorsel: a #MateColorSelection.
+ * @color: a #GdkColor to set the previous color with.
+ *
+ * Sets the 'previous' color to be @color. This function should be called with
+ * some hesitations, as it might seem confusing to have that color change.
+ * Calling mate_color_selection_set_current_color() will also set this color the first
+ * time it is called.
+ **/
+void
+mate_color_selection_set_previous_color (MateColorSelection *colorsel,
+ const GdkColor *color)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ g_return_if_fail (color != NULL);
+ 
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->old_color[COLORSEL_RED] = SCALE (color->red);
+ priv->old_color[COLORSEL_GREEN] = SCALE (color->green);
+ priv->old_color[COLORSEL_BLUE] = SCALE (color->blue);
+ gtk_rgb_to_hsv (priv->old_color[COLORSEL_RED],
+ priv->old_color[COLORSEL_GREEN],
+ priv->old_color[COLORSEL_BLUE],
+ &priv->old_color[COLORSEL_HUE],
+ &priv->old_color[COLORSEL_SATURATION],
+ &priv->old_color[COLORSEL_VALUE]);
+ color_sample_update_samples (colorsel);
+ priv->default_set = TRUE;
+ priv->changing = FALSE;
+}
+
+/**
+ * mate_color_selection_set_previous_alpha:
+ * @colorsel: a #MateColorSelection.
+ * @alpha: an integer between 0 and 65535.
+ *
+ * Sets the 'previous' alpha to be @alpha. This function should be called with
+ * some hesitations, as it might seem confusing to have that alpha change.
+ **/
+void
+mate_color_selection_set_previous_alpha (MateColorSelection *colorsel,
+ guint16 alpha)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ 
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->old_color[COLORSEL_OPACITY] = SCALE (alpha);
+ color_sample_update_samples (colorsel);
+ priv->default_alpha_set = TRUE;
+ priv->changing = FALSE;
+}
+
+
+/**
+ * mate_color_selection_get_previous_color:
+ * @colorsel: a #MateColorSelection.
+ * @color: (out): a #GdkColor to fill in with the original color value.
+ *
+ * Fills @color in with the original color value.
+ **/
+void
+mate_color_selection_get_previous_color (MateColorSelection *colorsel,
+ GdkColor *color)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ g_return_if_fail (color != NULL);
+ 
+ priv = colorsel->private_data;
+ color->red = UNSCALE (priv->old_color[COLORSEL_RED]);
+ color->green = UNSCALE (priv->old_color[COLORSEL_GREEN]);
+ color->blue = UNSCALE (priv->old_color[COLORSEL_BLUE]);
+}
+
+/**
+ * mate_color_selection_get_previous_alpha:
+ * @colorsel: a #MateColorSelection.
+ *
+ * Returns the previous alpha value.
+ *
+ * Return value: an integer between 0 and 65535.
+ **/
+guint16
+mate_color_selection_get_previous_alpha (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_val_if_fail (MATE_IS_COLOR_SELECTION (colorsel), 0);
+ 
+ priv = colorsel->private_data;
+ return priv->has_opacity ? UNSCALE (priv->old_color[COLORSEL_OPACITY]) : 65535;
+}
+
+/**
+ * mate_color_selection_set_palette_color:
+ * @colorsel: a #MateColorSelection.
+ * @index: the color index of the palette.
+ * @color: A #GdkColor to set the palette with.
+ *
+ * Sets the palette located at @index to have @color as its color.
+ * 
+ **/
+static void
+mate_color_selection_set_palette_color (MateColorSelection *colorsel,
+ gint index,
+ GdkColor *color)
+{
+ ColorSelectionPrivate *priv;
+ gint x, y;
+ gdouble col[3];
+ 
+ g_return_if_fail (MATE_IS_COLOR_SELECTION (colorsel));
+ g_return_if_fail (index >= 0 && index < GTK_CUSTOM_PALETTE_WIDTH*GTK_CUSTOM_PALETTE_HEIGHT);
+
+ x = index % GTK_CUSTOM_PALETTE_WIDTH;
+ y = index / GTK_CUSTOM_PALETTE_WIDTH;
+ 
+ priv = colorsel->private_data;
+ col[0] = SCALE (color->red);
+ col[1] = SCALE (color->green);
+ col[2] = SCALE (color->blue);
+ 
+ palette_set_color (priv->custom_palette[x][y], colorsel, col);
+}
+
+/**
+ * mate_color_selection_is_adjusting:
+ * @colorsel: a #MateColorSelection.
+ *
+ * Gets the current state of the @colorsel.
+ *
+ * Return value: %TRUE if the user is currently dragging a color around, and %FALSE
+ * if the selection has stopped.
+ **/
+gboolean
+mate_color_selection_is_adjusting (MateColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+ 
+ g_return_val_if_fail (MATE_IS_COLOR_SELECTION (colorsel), FALSE);
+ 
+ priv = colorsel->private_data;
+ 
+ return (gtk_hsv_is_adjusting (GTK_HSV (priv->triangle_colorsel)));
+}
+
+
+/**
+ * mate_color_selection_palette_from_string:
+ * @str: a string encoding a color palette.
+ * @colors: (out) (array length=n_colors): return location for allocated
+ * array of #GdkColor.
+ * @n_colors: return location for length of array.
+ * 
+ * Parses a color palette string; the string is a colon-separated
+ * list of color names readable by gdk_color_parse().
+ * 
+ * Return value: %TRUE if a palette was successfully parsed.
+ **/
+gboolean
+mate_color_selection_palette_from_string (const gchar *str,
+ GdkColor **colors,
+ gint *n_colors)
+{
+ GdkColor *retval;
+ gint count;
+ gchar *p;
+ gchar *start;
+ gchar *copy;
+ 
+ count = 0;
+ retval = NULL;
+ copy = g_strdup (str);
+
+ start = copy;
+ p = copy;
+ while (TRUE)
+ {
+ if (*p == ':' || *p == '\0')
+ {
+ gboolean done = TRUE;
+
+ if (start == p)
+ {
+ goto failed; /* empty entry */
+ }
+ 
+ if (*p)
+ {
+ *p = '\0';
+ done = FALSE;
+ }
+
+ retval = g_renew (GdkColor, retval, count + 1);
+ if (!gdk_color_parse (start, retval + count))
+ {
+ goto failed;
+ }
+
+ ++count;
+
+ if (done)
+ break;
+ else
+ start = p + 1;
+ }
+
+ ++p;
+ }
+
+ g_free (copy);
+ 
+ if (colors)
+ *colors = retval;
+ else
+ g_free (retval);
+
+ if (n_colors)
+ *n_colors = count;
+
+ return TRUE;
+ 
+ failed:
+ g_free (copy);
+ g_free (retval);
+
+ if (colors)
+ *colors = NULL;
+ if (n_colors)
+ *n_colors = 0;
+
+ return FALSE;
+}
+
+/**
+ * mate_color_selection_palette_to_string:
+ * @colors: (array length=n_colors): an array of colors.
+ * @n_colors: length of the array.
+ * 
+ * Encodes a palette as a string, useful for persistent storage.
+ * 
+ * Return value: allocated string encoding the palette.
+ **/
+gchar*
+mate_color_selection_palette_to_string (const GdkColor *colors,
+ gint n_colors)
+{
+ gint i;
+ gchar **strs = NULL;
+ gchar *retval;
+ 
+ if (n_colors == 0)
+ return g_strdup ("");
+
+ strs = g_new0 (gchar*, n_colors + 1);
+
+ i = 0;
+ while (i < n_colors)
+ {
+ gchar *ptr;
+ 
+ strs[i] =
+ g_strdup_printf ("#%2X%2X%2X",
+ colors[i].red / 256,
+ colors[i].green / 256,
+ colors[i].blue / 256);
+
+ for (ptr = strs[i]; *ptr; ptr++)
+ if (*ptr == ' ')
+ *ptr = '0';
+ 
+ ++i;
+ }
+
+ retval = g_strjoinv (":", strs);
+
+ g_strfreev (strs);
+
+ return retval;
+}
+
+/**
+ * mate_color_selection_set_change_palette_hook:
+ * @func: a function to call when the custom palette needs saving.
+ * 
+ * Installs a global function to be called whenever the user tries to
+ * modify the palette in a color selection. This function should save
+ * the new palette contents, and update the GtkSettings property
+ * "gtk-color-palette" so all MateColorSelection widgets will be modified.
+ *
+ * Return value: the previous change palette hook (that was replaced).
+ *
+ * Deprecated: 2.4: This function does not work in multihead environments.
+ * Use mate_color_selection_set_change_palette_with_screen_hook() instead. 
+ * 
+ **/
+MateColorSelectionChangePaletteFunc
+mate_color_selection_set_change_palette_hook (MateColorSelectionChangePaletteFunc func)
+{
+ MateColorSelectionChangePaletteFunc old;
+
+ old = noscreen_change_palette_hook;
+
+ noscreen_change_palette_hook = func;
+
+ return old;
+}
+
+/**
+ * mate_color_selection_set_change_palette_with_screen_hook:
+ * @func: a function to call when the custom palette needs saving.
+ * 
+ * Installs a global function to be called whenever the user tries to
+ * modify the palette in a color selection. This function should save
+ * the new palette contents, and update the GtkSettings property
+ * "gtk-color-palette" so all MateColorSelection widgets will be modified.
+ * 
+ * Return value: the previous change palette hook (that was replaced).
+ *
+ * Since: 2.2
+ **/
+MateColorSelectionChangePaletteWithScreenFunc
+mate_color_selection_set_change_palette_with_screen_hook (MateColorSelectionChangePaletteWithScreenFunc func)
+{
+ MateColorSelectionChangePaletteWithScreenFunc old;
+
+ old = change_palette_hook;
+
+ change_palette_hook = func;
+
+ return old;
+}
+
+static void
+make_control_relations (AtkObject *atk_obj,
+ GtkWidget *widget)
+{
+ AtkObject *obj;
+
+ obj = gtk_widget_get_accessible (widget);
+ atk_object_add_relationship (atk_obj, ATK_RELATION_CONTROLLED_BY, obj);
+ atk_object_add_relationship (obj, ATK_RELATION_CONTROLLER_FOR, atk_obj);
+}
+
+static void
+make_all_relations (AtkObject *atk_obj,
+ ColorSelectionPrivate *priv)
+{
+ make_control_relations (atk_obj, priv->hue_spinbutton);
+ make_control_relations (atk_obj, priv->sat_spinbutton);
+ make_control_relations (atk_obj, priv->val_spinbutton);
+ make_control_relations (atk_obj, priv->red_spinbutton);
+ make_control_relations (atk_obj, priv->green_spinbutton);
+ make_control_relations (atk_obj, priv->blue_spinbutton);
+}
+
+
diff --git a/libmate-desktop/mate-colorsel.h b/libmate-desktop/mate-colorsel.h
new file mode 100644
index 0000000..d292eb4
--- /dev/null
+++ b/libmate-desktop/mate-colorsel.h
@@ -0,0 +1,130 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2000 Red Hat, Inc.
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __MATE_COLOR_SELECTION_H__
+#define __MATE_COLOR_SELECTION_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define MATE_TYPE_COLOR_SELECTION (mate_color_selection_get_type ())
+#define MATE_COLOR_SELECTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MATE_TYPE_COLOR_SELECTION, MateColorSelection))
+#define MATE_COLOR_SELECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MATE_TYPE_COLOR_SELECTION, MateColorSelectionClass))
+#define MATE_IS_COLOR_SELECTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MATE_TYPE_COLOR_SELECTION))
+#define MATE_IS_COLOR_SELECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MATE_TYPE_COLOR_SELECTION))
+#define MATE_COLOR_SELECTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MATE_TYPE_COLOR_SELECTION, MateColorSelectionClass))
+
+
+typedef struct _MateColorSelection MateColorSelection;
+typedef struct _MateColorSelectionClass MateColorSelectionClass;
+
+
+typedef void (* MateColorSelectionChangePaletteFunc) (const GdkColor *colors,
+ gint n_colors);
+typedef void (* MateColorSelectionChangePaletteWithScreenFunc) (GdkScreen *screen,
+ const GdkColor *colors,
+ gint n_colors);
+
+struct _MateColorSelection
+{
+ GtkVBox parent_instance;
+
+ /* < private_data > */
+ gpointer GSEAL (private_data);
+};
+
+struct _MateColorSelectionClass
+{
+ GtkVBoxClass parent_class;
+
+ void (*color_changed) (MateColorSelection *color_selection);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
+};
+
+
+/* ColorSelection */
+
+GType mate_color_selection_get_type (void) G_GNUC_CONST;
+GtkWidget *mate_color_selection_new (void);
+gboolean mate_color_selection_get_has_opacity_control (MateColorSelection *colorsel);
+void mate_color_selection_set_has_opacity_control (MateColorSelection *colorsel,
+ gboolean has_opacity);
+gboolean mate_color_selection_get_has_palette (MateColorSelection *colorsel);
+void mate_color_selection_set_has_palette (MateColorSelection *colorsel,
+ gboolean has_palette);
+
+
+void mate_color_selection_set_current_color (MateColorSelection *colorsel,
+ const GdkColor *color);
+void mate_color_selection_set_current_alpha (MateColorSelection *colorsel,
+ guint16 alpha);
+void mate_color_selection_get_current_color (MateColorSelection *colorsel,
+ GdkColor *color);
+guint16 mate_color_selection_get_current_alpha (MateColorSelection *colorsel);
+void mate_color_selection_set_previous_color (MateColorSelection *colorsel,
+ const GdkColor *color);
+void mate_color_selection_set_previous_alpha (MateColorSelection *colorsel,
+ guint16 alpha);
+void mate_color_selection_get_previous_color (MateColorSelection *colorsel,
+ GdkColor *color);
+guint16 mate_color_selection_get_previous_alpha (MateColorSelection *colorsel);
+
+gboolean mate_color_selection_is_adjusting (MateColorSelection *colorsel);
+
+gboolean mate_color_selection_palette_from_string (const gchar *str,
+ GdkColor **colors,
+ gint *n_colors);
+gchar* mate_color_selection_palette_to_string (const GdkColor *colors,
+ gint n_colors);
+
+#ifndef GTK_DISABLE_DEPRECATED
+#ifndef GDK_MULTIHEAD_SAFE
+MateColorSelectionChangePaletteFunc mate_color_selection_set_change_palette_hook (MateColorSelectionChangePaletteFunc func);
+#endif
+#endif
+
+MateColorSelectionChangePaletteWithScreenFunc mate_color_selection_set_change_palette_with_screen_hook (MateColorSelectionChangePaletteWithScreenFunc func);
+
+#ifndef GTK_DISABLE_DEPRECATED
+/* Deprecated calls: */
+void mate_color_selection_set_color (MateColorSelection *colorsel,
+ gdouble *color);
+void mate_color_selection_get_color (MateColorSelection *colorsel,
+ gdouble *color);
+void mate_color_selection_set_update_policy (MateColorSelection *colorsel,
+ GtkUpdateType policy);
+#endif /* GTK_DISABLE_DEPRECATED */
+
+G_END_DECLS
+
+#endif /* __MATE_COLOR_SELECTION_H__ */
diff --git a/libmate-desktop/mate-colorseldialog.c b/libmate-desktop/mate-colorseldialog.c
new file mode 100644
index 0000000..6758602
--- /dev/null
+++ b/libmate-desktop/mate-colorseldialog.c
@@ -0,0 +1,228 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+#include "config.h"
+#include "private.h"
+#include <string.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <glib/gi18n-lib.h>
+#include "mate-colorsel.h"
+#include "mate-colorseldialog.h"
+
+enum {
+ PROP_0,
+ PROP_COLOR_SELECTION,
+ PROP_OK_BUTTON,
+ PROP_CANCEL_BUTTON,
+ PROP_HELP_BUTTON
+};
+
+
+/***************************/
+/* MateColorSelectionDialog */
+/***************************/
+
+static void mate_color_selection_dialog_buildable_interface_init (GtkBuildableIface *iface);
+static GObject * mate_color_selection_dialog_buildable_get_internal_child (GtkBuildable *buildable,
+ GtkBuilder *builder,
+ const gchar *childname);
+
+G_DEFINE_TYPE_WITH_CODE (MateColorSelectionDialog, mate_color_selection_dialog,
+ GTK_TYPE_DIALOG,
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
+ mate_color_selection_dialog_buildable_interface_init))
+
+static GtkBuildableIface *parent_buildable_iface;
+
+static void
+mate_color_selection_dialog_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ MateColorSelectionDialog *colorsel;
+
+ colorsel = MATE_COLOR_SELECTION_DIALOG (object);
+
+ switch (prop_id)
+ {
+ case PROP_COLOR_SELECTION:
+ g_value_set_object (value, colorsel->colorsel);
+ break;
+ case PROP_OK_BUTTON:
+ g_value_set_object (value, colorsel->ok_button);
+ break;
+ case PROP_CANCEL_BUTTON:
+ g_value_set_object (value, colorsel->cancel_button);
+ break;
+ case PROP_HELP_BUTTON:
+ g_value_set_object (value, colorsel->help_button);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+mate_color_selection_dialog_class_init (MateColorSelectionDialogClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ gobject_class->get_property = mate_color_selection_dialog_get_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_COLOR_SELECTION,
+ g_param_spec_object ("color-selection",
+ _("Color Selection"),
+ _("The color selection embedded in the dialog."),
+ GTK_TYPE_WIDGET,
+ G_PARAM_READABLE));
+ g_object_class_install_property (gobject_class,
+ PROP_OK_BUTTON,
+ g_param_spec_object ("ok-button",
+ _("OK Button"),
+ _("The OK button of the dialog."),
+ GTK_TYPE_WIDGET,
+ G_PARAM_READABLE));
+ g_object_class_install_property (gobject_class,
+ PROP_CANCEL_BUTTON,
+ g_param_spec_object ("cancel-button",
+ _("Cancel Button"),
+ _("The cancel button of the dialog."),
+ GTK_TYPE_WIDGET,
+ G_PARAM_READABLE));
+ g_object_class_install_property (gobject_class,
+ PROP_HELP_BUTTON,
+ g_param_spec_object ("help-button",
+ _("Help Button"),
+ _("The help button of the dialog."),
+ GTK_TYPE_WIDGET,
+ G_PARAM_READABLE));
+}
+
+static void
+mate_color_selection_dialog_init (MateColorSelectionDialog *colorseldiag)
+{
+ GtkDialog *dialog = GTK_DIALOG (colorseldiag);
+
+ _mate_desktop_init_i18n ();
+
+ gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+ gtk_box_set_spacing (GTK_BOX (dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
+ gtk_container_set_border_width (GTK_CONTAINER (dialog->action_area), 5);
+ gtk_box_set_spacing (GTK_BOX (dialog->action_area), 6);
+
+ colorseldiag->colorsel = mate_color_selection_new ();
+ gtk_container_set_border_width (GTK_CONTAINER (colorseldiag->colorsel), 5);
+ mate_color_selection_set_has_palette (MATE_COLOR_SELECTION(colorseldiag->colorsel), FALSE); 
+ mate_color_selection_set_has_opacity_control (MATE_COLOR_SELECTION(colorseldiag->colorsel), FALSE);
+ gtk_container_add (GTK_CONTAINER (GTK_DIALOG (colorseldiag)->vbox), colorseldiag->colorsel);
+ gtk_widget_show (colorseldiag->colorsel);
+ 
+ colorseldiag->cancel_button = gtk_dialog_add_button (GTK_DIALOG (colorseldiag),
+ GTK_STOCK_CANCEL,
+ GTK_RESPONSE_CANCEL);
+
+ colorseldiag->ok_button = gtk_dialog_add_button (GTK_DIALOG (colorseldiag),
+ GTK_STOCK_OK,
+ GTK_RESPONSE_OK);
+ 
+ gtk_widget_grab_default (colorseldiag->ok_button);
+ 
+ colorseldiag->help_button = gtk_dialog_add_button (GTK_DIALOG (colorseldiag),
+ GTK_STOCK_HELP,
+ GTK_RESPONSE_HELP);
+
+ gtk_widget_hide (colorseldiag->help_button);
+
+ gtk_dialog_set_alternative_button_order (GTK_DIALOG (colorseldiag),
+ GTK_RESPONSE_OK,
+ GTK_RESPONSE_CANCEL,
+ GTK_RESPONSE_HELP,
+ -1);
+
+ gtk_window_set_title (GTK_WINDOW (colorseldiag),
+ _("Color Selection"));
+
+ //_gtk_dialog_set_ignore_separator (dialog, TRUE);
+}
+
+GtkWidget*
+mate_color_selection_dialog_new (const gchar *title)
+{
+ MateColorSelectionDialog *colorseldiag;
+ 
+ colorseldiag = g_object_new (MATE_TYPE_COLOR_SELECTION_DIALOG, NULL);
+
+ if (title)
+ gtk_window_set_title (GTK_WINDOW (colorseldiag), title);
+
+ gtk_window_set_resizable (GTK_WINDOW (colorseldiag), FALSE);
+ 
+ return GTK_WIDGET (colorseldiag);
+}
+
+/**
+ * mate_color_selection_dialog_get_color_selection:
+ * @colorsel: a #MateColorSelectionDialog
+ *
+ * Retrieves the #MateColorSelection widget embedded in the dialog.
+ *
+ * Returns: (transfer none): the embedded #MateColorSelection
+ *
+ * Since: 2.14
+ **/
+GtkWidget*
+mate_color_selection_dialog_get_color_selection (MateColorSelectionDialog *colorsel)
+{
+ g_return_val_if_fail (MATE_IS_COLOR_SELECTION_DIALOG (colorsel), NULL);
+
+ return colorsel->colorsel;
+}
+
+static void
+mate_color_selection_dialog_buildable_interface_init (GtkBuildableIface *iface)
+{
+ parent_buildable_iface = g_type_interface_peek_parent (iface);
+ iface->get_internal_child = mate_color_selection_dialog_buildable_get_internal_child;
+}
+
+static GObject *
+mate_color_selection_dialog_buildable_get_internal_child (GtkBuildable *buildable,
+ GtkBuilder *builder,
+ const gchar *childname)
+{
+ if (strcmp(childname, "ok_button") == 0)
+ return G_OBJECT (MATE_COLOR_SELECTION_DIALOG (buildable)->ok_button);
+ else if (strcmp(childname, "cancel_button") == 0)
+ return G_OBJECT (MATE_COLOR_SELECTION_DIALOG (buildable)->cancel_button);
+ else if (strcmp(childname, "help_button") == 0)
+ return G_OBJECT (MATE_COLOR_SELECTION_DIALOG(buildable)->help_button);
+ else if (strcmp(childname, "color_selection") == 0)
+ return G_OBJECT (MATE_COLOR_SELECTION_DIALOG(buildable)->colorsel);
+
+ return parent_buildable_iface->get_internal_child (buildable, builder, childname);
+}
diff --git a/libmate-desktop/mate-colorseldialog.h b/libmate-desktop/mate-colorseldialog.h
new file mode 100644
index 0000000..d5fbdee
--- /dev/null
+++ b/libmate-desktop/mate-colorseldialog.h
@@ -0,0 +1,76 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __MATE_COLOR_SELECTION_DIALOG_H__
+#define __MATE_COLOR_SELECTION_DIALOG_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define MATE_TYPE_COLOR_SELECTION_DIALOG (mate_color_selection_dialog_get_type ())
+#define MATE_COLOR_SELECTION_DIALOG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MATE_TYPE_COLOR_SELECTION_DIALOG, MateColorSelectionDialog))
+#define MATE_COLOR_SELECTION_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MATE_TYPE_COLOR_SELECTION_DIALOG, MateColorSelectionDialogClass))
+#define MATE_IS_COLOR_SELECTION_DIALOG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MATE_TYPE_COLOR_SELECTION_DIALOG))
+#define MATE_IS_COLOR_SELECTION_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MATE_TYPE_COLOR_SELECTION_DIALOG))
+#define MATE_COLOR_SELECTION_DIALOG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MATE_TYPE_COLOR_SELECTION_DIALOG, MateColorSelectionDialogClass))
+
+
+typedef struct _MateColorSelectionDialog MateColorSelectionDialog;
+typedef struct _MateColorSelectionDialogClass MateColorSelectionDialogClass;
+
+
+struct _MateColorSelectionDialog
+{
+ GtkDialog parent_instance;
+
+ GtkWidget *GSEAL (colorsel);
+ GtkWidget *GSEAL (ok_button);
+ GtkWidget *GSEAL (cancel_button);
+ GtkWidget *GSEAL (help_button);
+};
+
+struct _MateColorSelectionDialogClass
+{
+ GtkDialogClass parent_class;
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
+};
+
+
+/* ColorSelectionDialog */
+GType mate_color_selection_dialog_get_type (void) G_GNUC_CONST;
+GtkWidget* mate_color_selection_dialog_new (const gchar *title);
+GtkWidget* mate_color_selection_dialog_get_color_selection (MateColorSelectionDialog *colorsel);
+
+
+G_END_DECLS
+
+#endif /* __MATE_COLOR_SELECTION_DIALOG_H__ */