Remove useless mate_color_button apis

7 files changed, 1 insertions, 1080 deletions

diff --git a/libmate-desktop/Makefile.am b/libmate-desktop/Makefile.am
index 44b8b9b..6477c5c 100644
--- a/libmate-desktop/Makefile.am
+++ b/libmate-desktop/Makefile.am
@@ -12,7 +12,6 @@ libmate_desktop_HEADERS = \
 	mate-languages.h		\
 	mate-rr-config.h		\
 	mate-rr-labeler.h \
-	mate-colorbutton.h \
 	mate-colorsel.h \
 	mate-hsv.h \
 	mate-colorseldialog.h \
@@ -32,7 +31,7 @@ AM_CPPFLAGS =							\
 
 AM_CFLAGS = $(WARN_CFLAGS)
 
-noinst_PROGRAMS = test-desktop-thumbnail test-ditem test test-languages test-image-menu-item
+noinst_PROGRAMS = test-desktop-thumbnail test-ditem test-languages test-image-menu-item
 
 CLEANFILES =
 
@@ -49,7 +48,6 @@ introspection_sources = \
 	mate-rr-config.c	\
 	mate-rr-output-info.c	\
 	mate-rr-labeler.c	\
-	mate-colorbutton.c \
 	mate-colorsel.c \
 	mate-hsv.c \
 	mate-colorseldialog.c \
@@ -73,9 +71,6 @@ libmate_desktop_2_la_LDFLAGS = \
 	-export-symbols-regex "^mate_.*" \
 	-no-undefined
 
-test_SOURCES = \
-	test.c
-
 test_LDADD = \
 	libmate-desktop-2.la		\
 	$(MATE_DESKTOP_LIBS)
diff --git a/libmate-desktop/mate-colorbutton.c b/libmate-desktop/mate-colorbutton.c
deleted file mode 100644
index de81782..0000000
--- a/libmate-desktop/mate-colorbutton.c
+++ /dev/null
@@ -1,894 +0,0 @@
-/*
- * 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)
-
-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_WITH_PRIVATE (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: 1.9.1
-   */
-  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: 1.9.1
-   */
-  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: 1.9.1
-   */
-  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: 1.9.1
-   */
-  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: 1.9.1
-   */
-  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);
-}
-
-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 gboolean
-draw (GtkWidget      *widget,
-      cairo_t        *cr,
-      gpointer        data)
-{
-  MateColorButton *color_button = MATE_COLOR_BUTTON (data);
-  cairo_pattern_t *checkered;
-  GtkStyleContext *context;
-  GdkRGBA  rgba;
-
-  mate_color_button_get_rgba (color_button, &rgba);
-  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,
-                             rgba.red,
-                             rgba.green,
-                             rgba.blue,
-                             rgba.alpha);
-    }
-  else
-    {
-      gdk_cairo_set_source_rgba (cr, &rgba);
-    }
-
-  cairo_paint (cr);
-
-  if (!gtk_widget_is_sensitive (GTK_WIDGET (color_button)))
-    {
-      context = gtk_widget_get_style_context (widget);
-      gtk_style_context_get_color (context, GTK_STATE_FLAG_INSENSITIVE, &rgba);
-      gdk_cairo_set_source_rgba (cr, &rgba);
-      checkered = mate_color_button_get_checkered ();
-      cairo_mask (cr, checkered);
-      cairo_pattern_destroy (checkered);
-    }
-
-  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 (gtk_selection_data_get_length (selection_data) < 0)
-    return;
-
-  /* We accept drops with the wrong format, since the KDE color
-   * chooser incorrectly drops application/x-color with format 8.
-   */
-  if (gtk_selection_data_get_length (selection_data) != 8)
-    {
-      g_warning (_("Received invalid color data\n"));
-      return;
-    }
-
-  dropped = (guint16 *)gtk_selection_data_get_data (selection_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, gtk_selection_data_get_target (selection_data),
-			  16, (guchar *)dropped, 8);
-}
-
-static void
-mate_color_button_init (MateColorButton *color_button)
-{
-  GtkWidget *frame;
-  PangoLayout *layout;
-  PangoRectangle rect;
-
-  _mate_desktop_init_i18n ();
-
-  /* Create the widgets */
-  color_button->priv = mate_color_button_get_instance_private (color_button);
-
-  frame = gtk_frame_new (NULL);
-  gtk_widget_set_valign (frame, GTK_ALIGN_CENTER);
-  gtk_widget_set_halign (frame, GTK_ALIGN_CENTER);
-  gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_OUT);
-  gtk_container_add (GTK_CONTAINER (color_button), frame);
-  gtk_widget_show (frame);
-
-  /* Just some widget we can hook to expose-event on */
-  color_button->priv->draw_area = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-  gtk_widget_set_valign (color_button->priv->draw_area, GTK_ALIGN_CENTER);
-  gtk_widget_set_halign (color_button->priv->draw_area, GTK_ALIGN_CENTER);
-
-  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, "draw",
-                    G_CALLBACK (draw), 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);
-}
-
-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: 1.9.1
- */
-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: 1.9.1
- */
-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_has_palette (MATE_COLOR_SELECTION (color_dialog->colorsel), TRUE);
-
-  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: 1.9.1
- **/
-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_rgba:
- * @color_button: a #MateColorButton.
- * @color: A #GdkRGBA to set the current color with.
- *
- * Sets the current color to be @color.
- *
- * Since: 1.9.1
- **/
-void
-mate_color_button_set_rgba (MateColorButton *color_button,
-			    const GdkRGBA *color)
-{
-  g_return_if_fail (MATE_IS_COLOR_BUTTON (color_button));
-  g_return_if_fail (color != NULL);
-
-  color_button->priv->color.red = color->red * 65535;
-  color_button->priv->color.green = color->green * 65535;
-  color_button->priv->color.blue = color->blue * 65535;
-  color_button->priv->alpha = color->alpha * 65535;
-
-  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: 1.9.1
- **/
-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: 1.9.1
- **/
-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_rgba:
- * @color_button: a #MateColorButton.
- * @color: a #GdkRGBA to fill in with the current color.
- *
- * Sets @color to be the current color in the #MateColorButton widget.
- *
- * Since: 1.9.1
- **/
-void
-mate_color_button_get_rgba (MateColorButton *color_button,
-			                      GdkRGBA         *color)
-{
-  g_return_if_fail (MATE_IS_COLOR_BUTTON (color_button));
-
-  color->red = color_button->priv->color.red / 65535.;
-  color->green = color_button->priv->color.green / 65535.;
-  color->blue = color_button->priv->color.blue / 65535.;
-  color->alpha = color_button->priv->alpha / 65535.;
-}
-
-/**
- * mate_color_button_get_alpha:
- * @color_button: a #MateColorButton.
- *
- * Returns the current alpha value.
- *
- * Return value: an integer between 0 and 65535.
- *
- * Since: 1.9.1
- **/
-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: 1.9.1
- */
-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 != FALSE);
-
-      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: 1.9.1
- */
-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: 1.9.1
- */
-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: 1.9.1
- */
-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
deleted file mode 100644
index caff2ad..0000000
--- a/libmate-desktop/mate-colorbutton.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * 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 Mate Library; see the file COPYING.LIB. If not,
- * write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, 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 <glib.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 *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_rgba       (MateColorButton *color_button,
-					     const GdkRGBA   *color);
-void       mate_color_button_set_alpha      (MateColorButton *color_button,
-					    guint16         alpha);
-void       mate_color_button_get_color      (MateColorButton *color_button,
-					    GdkColor       *color);
-void       mate_color_button_get_rgba       (MateColorButton *color_button,
-					     GdkRGBA         *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-desktop.abi b/libmate-desktop/mate-desktop.abi
index 02108ab..b9fc084 100644
--- a/libmate-desktop/mate-desktop.abi
+++ b/libmate-desktop/mate-desktop.abi
@@ -34,19 +34,6 @@ mate_bg_set_filename
 mate_bg_set_placement
 mate_bg_set_surface_as_root
 mate_bg_set_surface_as_root_with_crossfade
-mate_color_button_get_alpha
-mate_color_button_get_color
-mate_color_button_get_rgba
-mate_color_button_get_title
-mate_color_button_get_type
-mate_color_button_get_use_alpha
-mate_color_button_new
-mate_color_button_new_with_color
-mate_color_button_set_alpha
-mate_color_button_set_color
-mate_color_button_set_rgba
-mate_color_button_set_title
-mate_color_button_set_use_alpha
 mate_color_selection_dialog_get_color_selection
 mate_color_selection_dialog_get_type
 mate_color_selection_dialog_new
diff --git a/libmate-desktop/meson.build b/libmate-desktop/meson.build
index 4d1cc5f..91b8268 100644
--- a/libmate-desktop/meson.build
+++ b/libmate-desktop/meson.build
@@ -26,7 +26,6 @@ headers = [
   'mate-image-menu-item.h',
   'mate-rr-config.h',
   'mate-rr-labeler.h',
-  'mate-colorbutton.h',
   'mate-colorsel.h',
   'mate-hsv.h',
   'mate-colorseldialog.h',
@@ -52,7 +51,6 @@ sources = files(
   'mate-rr-config.c',
   'mate-rr-output-info.c',
   'mate-rr-labeler.c',
-  'mate-colorbutton.c',
   'mate-colorsel.c',
   'mate-hsv.c',
   'mate-colorseldialog.c',
@@ -163,12 +161,6 @@ test_ditem = executable('test-ditem',
   install : false,
 )
 
-test_color_button = executable('test-color-button',
-  sources : 'test.c',
-  dependencies : libmate_desktop_dep,
-  install : false,
-)
-
 test_languages = executable('test-languages',
   sources : 'test-languages.c',
   dependencies : libmate_desktop_dep,
diff --git a/libmate-desktop/test.c b/libmate-desktop/test.c
deleted file mode 100644
index 3ad89eb..0000000
--- a/libmate-desktop/test.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * test.c: general tests for libmate-desktop
- *
- * Copyright (C) 2013-2014 Stefano Karapetsas
- * Copyright (C) 2013-2021 MATE Developers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- * Authors:
- *  Stefano Karapetsas <[email protected]>
- */
-
-#include <config.h>
-#include "mate-desktop.h"
-#include "mate-colorbutton.h"
-
-int
-main (int argc, char **argv)
-{
-    GtkWindow *window = NULL;
-    GtkWidget *widget = NULL;
-
-    /* initialize GTK+ */
-    gtk_init (&argc, &argv);
-
-    /* create window */
-    window = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
-
-    gtk_window_set_title (window, "MATE Desktop Test");
-
-    /* create a MateColorButton */
-    widget = mate_color_button_new ();
-
-    /* add MateColorButton to window */
-    gtk_container_add (GTK_CONTAINER (window), widget);
-
-    /* quit signal */
-    g_signal_connect (GTK_WIDGET (window), "destroy", gtk_main_quit, NULL);
-
-    gtk_widget_show_all (GTK_WIDGET (window));
-
-    /* start application */
-    gtk_main ();
-    return 0;
-}
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 3268ebd..0709f05 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -6,7 +6,6 @@ mate-about/mate-about.h
 # When adding a file here, make sure that the entry point in the API of this
 # file calls _mate_desktop_init_i18n ()
 libmate-desktop/display-name.c
-libmate-desktop/mate-colorbutton.c
 libmate-desktop/mate-colorsel.c
 libmate-desktop/mate-hsv.c
 libmate-desktop/mate-colorseldialog.c