Font-viewer: import GdMainToolbar

author: raveit65 <[email protected]> 2017-01-08 16:41:53 +0100
committer: raveit65 <[email protected]> 2017-02-17 12:28:22 +0100
commit: 8d901f7eaca13c7faa9f67f4134d0a922ae5eed4 (patch)
tree: 889b80f0509ea471cc570d652d4df03f87884eb1 /font-viewer/gd-main-toolbar.c
parent: 77f1936f75f15ea80d72b4423dd471a37798cb22 (diff)
download: mate-control-center-8d901f7eaca13c7faa9f67f4134d0a922ae5eed4.tar.bz2
mate-control-center-8d901f7eaca13c7faa9f67f4134d0a922ae5eed4.tar.xz
1 files changed, 467 insertions, 0 deletions
diff --git a/font-viewer/gd-main-toolbar.c b/font-viewer/gd-main-toolbar.c
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+/*
+ * Copyright (c) 2011 Red Hat, Inc.
+ *
+ * This program 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 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 Lesser General Public 
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ *
+ * Author: Cosimo Cecchi <[email protected]>
+ *
+ */
+
+#include "gd-main-toolbar.h"
+
+#include <math.h>
+#include <glib/gi18n.h>
+
+G_DEFINE_TYPE (GdMainToolbar, gd_main_toolbar, GTK_TYPE_TOOLBAR)
+
+struct _GdMainToolbarPrivate {
+ GtkSizeGroup *size_group;
+ GtkSizeGroup *vertical_size_group;
+
+ GtkToolItem *left_group;
+ GtkToolItem *center_group;
+ GtkToolItem *right_group;
+
+ GtkWidget *left_grid;
+ GtkWidget *back;
+
+ GtkWidget *title_label;
+ GtkWidget *detail_label;
+
+ GtkWidget *right_grid;
+
+ GdMainToolbarMode mode;
+};
+
+enum {
+ SELECTION_MODE_REQUEST = 1,
+ GO_BACK_REQUEST,
+ CLEAR_REQUEST,
+ NUM_SIGNALS
+};
+
+static guint signals[NUM_SIGNALS] = { 0, };
+
+static void
+gd_main_toolbar_dispose (GObject *obj)
+{
+ GdMainToolbar *self = GD_MAIN_TOOLBAR (obj);
+
+ g_clear_object (&self->priv->size_group);
+ g_clear_object (&self->priv->vertical_size_group);
+
+ G_OBJECT_CLASS (gd_main_toolbar_parent_class)->dispose (obj);
+}
+
+static gint
+get_icon_margin (void)
+{
+ gint toolbar_size, menu_size;
+
+ gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &menu_size, NULL);
+ gtk_icon_size_lookup (GTK_ICON_SIZE_LARGE_TOOLBAR, &toolbar_size, NULL);
+ return (gint) floor ((toolbar_size - menu_size) / 2.0);
+}
+
+static GtkSizeGroup *
+get_vertical_size_group (void)
+{
+ GtkSizeGroup *retval;
+ GtkWidget *w, *dummy;
+ gint icon_margin;
+
+ icon_margin = get_icon_margin ();
+
+ dummy = gtk_toggle_button_new ();
+ w = gtk_image_new_from_stock (GTK_STOCK_OPEN, GTK_ICON_SIZE_MENU);
+ g_object_set (w, "margin", icon_margin, NULL);
+ gtk_container_add (GTK_CONTAINER (dummy), w);
+ gtk_widget_show_all (dummy);
+
+ retval = gtk_size_group_new (GTK_SIZE_GROUP_VERTICAL);
+ gtk_size_group_add_widget (retval, dummy);
+
+ return retval;
+}
+
+static GtkWidget *
+get_symbolic_button (const gchar *icon_name)
+{
+ GtkWidget *button, *w;
+
+ button = gtk_button_new ();
+ gtk_style_context_add_class (gtk_widget_get_style_context (button), "raised");
+
+ w = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
+ g_object_set (w, "margin", get_icon_margin (), NULL);
+ gtk_widget_show (w);
+ gtk_container_add (GTK_CONTAINER (button), w);
+
+ return button;
+}
+
+static GtkWidget *
+get_text_button (const gchar *label)
+{
+ GtkWidget *w;
+
+ w = gtk_button_new_with_label (label);
+ gtk_widget_set_vexpand (w, TRUE);
+ gtk_style_context_add_class (gtk_widget_get_style_context (w), "raised");
+
+ return w;
+}
+
+static void
+on_back_button_clicked (GtkButton *b,
+ gpointer user_data)
+{
+ GdMainToolbar *self = user_data;
+ g_signal_emit (self, signals[GO_BACK_REQUEST], 0);
+}
+
+static void
+gd_main_toolbar_constructed (GObject *obj)
+{
+ GdMainToolbar *self = GD_MAIN_TOOLBAR (obj);
+ GtkToolbar *tb = GTK_TOOLBAR (obj);
+ GtkWidget *grid;
+
+ G_OBJECT_CLASS (gd_main_toolbar_parent_class)->constructed (obj);
+
+ self->priv->vertical_size_group = get_vertical_size_group ();
+
+ /* left section */
+ self->priv->left_group = gtk_tool_item_new ();
+ gtk_widget_set_margin_right (GTK_WIDGET (self->priv->left_group), 12);
+ gtk_toolbar_insert (tb, self->priv->left_group, -1);
+ gtk_size_group_add_widget (self->priv->vertical_size_group,
+ GTK_WIDGET (self->priv->left_group));
+
+ /* left button group */
+ self->priv->left_grid = gtk_grid_new ();
+ gtk_grid_set_column_spacing (GTK_GRID (self->priv->left_grid), 12);
+ gtk_container_add (GTK_CONTAINER (self->priv->left_group), self->priv->left_grid);
+
+ self->priv->back = get_symbolic_button ("go-previous-symbolic");
+ gtk_widget_set_no_show_all (self->priv->back, TRUE);
+ gtk_container_add (GTK_CONTAINER (self->priv->left_grid), self->priv->back);
+
+ g_signal_connect (self->priv->back, "clicked",
+ G_CALLBACK (on_back_button_clicked), self);
+
+ /* center section */
+ self->priv->center_group = gtk_tool_item_new ();
+ gtk_tool_item_set_expand (self->priv->center_group, TRUE);
+ gtk_toolbar_insert (tb, self->priv->center_group, -1);
+ gtk_size_group_add_widget (self->priv->vertical_size_group,
+ GTK_WIDGET (self->priv->center_group));
+
+ /* centered label group */
+ grid = gtk_grid_new ();
+ gtk_widget_set_halign (grid, GTK_ALIGN_CENTER);
+ gtk_widget_set_valign (grid, GTK_ALIGN_CENTER);
+ gtk_container_add (GTK_CONTAINER (self->priv->center_group), grid);
+
+ self->priv->title_label = gtk_label_new (NULL);
+ gtk_label_set_ellipsize (GTK_LABEL (self->priv->title_label), PANGO_ELLIPSIZE_END);
+ gtk_container_add (GTK_CONTAINER (grid), self->priv->title_label);
+
+ self->priv->detail_label = gtk_label_new (NULL);
+ gtk_widget_set_no_show_all (self->priv->detail_label, TRUE);
+ gtk_widget_set_margin_left (self->priv->detail_label, 12);
+ gtk_style_context_add_class (gtk_widget_get_style_context (self->priv->detail_label), "dim-label");
+ gtk_container_add (GTK_CONTAINER (grid), self->priv->detail_label);
+
+ /* right section */
+ self->priv->right_group = gtk_tool_item_new ();
+ gtk_widget_set_margin_left (GTK_WIDGET (self->priv->right_group), 12);
+ gtk_toolbar_insert (tb, self->priv->right_group, -1);
+ gtk_size_group_add_widget (self->priv->vertical_size_group,
+ GTK_WIDGET (self->priv->right_group));
+
+ self->priv->right_grid = gtk_grid_new ();
+ gtk_grid_set_column_spacing (GTK_GRID (self->priv->right_grid), 12);
+ gtk_container_add (GTK_CONTAINER (self->priv->right_group), self->priv->right_grid);
+
+ self->priv->size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+ gtk_size_group_add_widget (self->priv->size_group, GTK_WIDGET (self->priv->left_group));
+ gtk_size_group_add_widget (self->priv->size_group, GTK_WIDGET (self->priv->right_group));
+}
+
+static void
+gd_main_toolbar_init (GdMainToolbar *self)
+{
+ self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GD_TYPE_MAIN_TOOLBAR, GdMainToolbarPrivate);
+ self->priv->mode = GD_MAIN_TOOLBAR_MODE_INVALID;
+}
+
+static void
+gd_main_toolbar_class_init (GdMainToolbarClass *klass)
+{
+ GObjectClass *oclass;
+
+ oclass = G_OBJECT_CLASS (klass);
+ oclass->constructed = gd_main_toolbar_constructed;
+ oclass->dispose = gd_main_toolbar_dispose;
+
+ signals[SELECTION_MODE_REQUEST] =
+ g_signal_new ("selection-mode-request",
+ GD_TYPE_MAIN_TOOLBAR,
+ G_SIGNAL_RUN_FIRST,
+ 0, NULL, NULL, NULL,
+ G_TYPE_NONE,
+ 1, G_TYPE_BOOLEAN);
+ signals[GO_BACK_REQUEST] =
+ g_signal_new ("go-back-request",
+ GD_TYPE_MAIN_TOOLBAR,
+ G_SIGNAL_RUN_FIRST,
+ 0, NULL, NULL, NULL,
+ G_TYPE_NONE, 0);
+ signals[CLEAR_REQUEST] =
+ g_signal_new ("clear-request",
+ GD_TYPE_MAIN_TOOLBAR,
+ G_SIGNAL_RUN_FIRST,
+ 0, NULL, NULL, NULL,
+ G_TYPE_NONE, 0);
+
+ g_type_class_add_private (klass, sizeof (GdMainToolbarPrivate));
+}
+
+static void
+on_selection_mode_button_clicked (GtkButton *b,
+ gpointer user_data)
+{
+ GdMainToolbar *self = user_data;
+ g_signal_emit (self, signals[SELECTION_MODE_REQUEST], 0, TRUE);
+}
+
+static void
+on_selection_mode_done_button_clicked (GtkButton *b,
+ gpointer user_data)
+{
+ GdMainToolbar *self = user_data;
+ g_signal_emit (self, signals[SELECTION_MODE_REQUEST], 0, FALSE);
+}
+
+static void
+gd_main_toolbar_populate_for_selection (GdMainToolbar *self)
+{
+ GtkWidget *w;
+
+ gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self)),
+ "documents-selection-mode");
+ gtk_widget_reset_style (GTK_WIDGET (self));
+
+ /* right section */
+ w = get_text_button (_("Done"));
+ gtk_container_add (GTK_CONTAINER (self->priv->right_grid), w);
+
+ g_signal_connect (w, "clicked",
+ G_CALLBACK (on_selection_mode_done_button_clicked), self);
+
+ gtk_widget_show_all (GTK_WIDGET (self));
+}
+
+static void
+gd_main_toolbar_populate_for_overview (GdMainToolbar *self)
+{
+ GtkWidget *button;
+
+ /* right section */
+ button = get_symbolic_button ("emblem-default-symbolic");
+ gtk_container_add (GTK_CONTAINER (self->priv->right_grid), button);
+
+ g_signal_connect (button, "clicked",
+ G_CALLBACK (on_selection_mode_button_clicked), self);
+
+ gtk_widget_show_all (GTK_WIDGET (self));
+}
+
+static void
+gd_main_toolbar_populate_for_preview (GdMainToolbar *self)
+{
+ gtk_widget_show (self->priv->back);
+ gtk_widget_show_all (GTK_WIDGET (self));
+}
+
+static void
+on_left_grid_clear (GtkWidget *w,
+ gpointer user_data)
+{
+ GdMainToolbar *self = user_data;
+
+ if (w != self->priv->back)
+ gtk_widget_destroy (w);
+}
+
+static void
+gd_main_toolbar_clear (GdMainToolbar *self)
+{
+ GtkStyleContext *context;
+
+ /* reset labels */
+ gtk_label_set_text (GTK_LABEL (self->priv->title_label), "");
+ gtk_label_set_text (GTK_LABEL (self->priv->detail_label), "");
+
+ /* clear all on the left, except the back button */
+ gtk_widget_hide (self->priv->back);
+ gtk_container_foreach (GTK_CONTAINER (self->priv->left_grid),
+ on_left_grid_clear, self);
+
+ /* clear all on the right */
+ gtk_container_foreach (GTK_CONTAINER (self->priv->right_grid), 
+ (GtkCallback) gtk_widget_destroy, self);
+
+ context = gtk_widget_get_style_context (GTK_WIDGET (self));
+ if (gtk_style_context_has_class (context, "documents-selection-mode"))
+ {
+ gtk_style_context_remove_class (context, "documents-selection-mode");
+ gtk_widget_reset_style (GTK_WIDGET (self));
+ }
+
+ g_signal_emit (self, signals[CLEAR_REQUEST], 0);
+}
+
+/**
+ * gd_main_toolbar_set_mode:
+ * @mode:
+ *
+ */
+void
+gd_main_toolbar_set_mode (GdMainToolbar *self,
+ GdMainToolbarMode mode)
+{
+ if (mode == self->priv->mode)
+ return;
+
+ gd_main_toolbar_clear (self);
+ self->priv->mode = mode;
+
+ switch (mode)
+ {
+ case GD_MAIN_TOOLBAR_MODE_OVERVIEW:
+ gd_main_toolbar_populate_for_overview (self);
+ break;
+ case GD_MAIN_TOOLBAR_MODE_SELECTION:
+ gd_main_toolbar_populate_for_selection (self);
+ break;
+ case GD_MAIN_TOOLBAR_MODE_PREVIEW:
+ gd_main_toolbar_populate_for_preview (self);
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+}
+
+GdMainToolbarMode
+gd_main_toolbar_get_mode (GdMainToolbar *self)
+{
+ return self->priv->mode;
+}
+
+/**
+ * gd_main_toolbar_set_labels:
+ * @self:
+ * @primary: (allow-none):
+ * @detail: (allow-none):
+ *
+ */
+void
+gd_main_toolbar_set_labels (GdMainToolbar *self,
+ const gchar *primary,
+ const gchar *detail)
+{
+ gchar *real_primary = NULL;
+
+ if (primary != NULL)
+ real_primary = g_markup_printf_escaped ("<b>%s</b>", primary);
+
+ if (real_primary == NULL)
+ {
+ gtk_label_set_markup (GTK_LABEL (self->priv->title_label), "");
+ gtk_widget_hide (self->priv->title_label);
+ }
+ else
+ {
+ gtk_label_set_markup (GTK_LABEL (self->priv->title_label), real_primary);
+ gtk_widget_show (self->priv->title_label);
+ }
+
+ if (detail == NULL)
+ {
+ gtk_label_set_text (GTK_LABEL (self->priv->detail_label), "");
+ gtk_widget_hide (self->priv->detail_label);
+ }
+ else
+ {
+ gtk_label_set_text (GTK_LABEL (self->priv->detail_label), detail);
+ gtk_widget_show (self->priv->detail_label);
+ }
+
+ g_free (real_primary);
+}
+
+/**
+ * gd_main_toolbar_set_back_visible:
+ * @self:
+ * @visible:
+ *
+ */
+void
+gd_main_toolbar_set_back_visible (GdMainToolbar *self,
+ gboolean visible)
+{
+ if (visible != gtk_widget_get_visible (self->priv->back))
+ gtk_widget_set_visible (self->priv->back, visible);
+
+}
+
+GtkWidget *
+gd_main_toolbar_new (void)
+{
+ return g_object_new (GD_TYPE_MAIN_TOOLBAR, NULL);
+}
+
+GtkWidget *
+gd_main_toolbar_add_button (GdMainToolbar *self,
+ const gchar *icon_name,
+ const gchar *label,
+ gboolean pack_start)
+{
+ GtkWidget *button;
+
+ if (icon_name != NULL)
+ {
+ button = get_symbolic_button (icon_name);
+ if (label != NULL)
+ gtk_widget_set_tooltip_text (button, label);
+ }
+ else if (label != NULL)
+ {
+ button = get_text_button (label);
+ }
+
+ if (pack_start)
+ gtk_container_add (GTK_CONTAINER (self->priv->left_grid), button);
+ else
+ gtk_container_add (GTK_CONTAINER (self->priv->right_grid), button); 
+
+ gtk_widget_show_all (button);
+
+ return button;
+}
+
author	raveit65 <[email protected]>	2017-01-08 16:41:53 +0100
committer	raveit65 <[email protected]>	2017-02-17 12:28:22 +0100
commit	8d901f7eaca13c7faa9f67f4134d0a922ae5eed4 (patch)
tree	889b80f0509ea471cc570d652d4df03f87884eb1 /font-viewer/gd-main-toolbar.c
parent	77f1936f75f15ea80d72b4423dd471a37798cb22 (diff)
download	mate-control-center-8d901f7eaca13c7faa9f67f4134d0a922ae5eed4.tar.bz2 mate-control-center-8d901f7eaca13c7faa9f67f4134d0a922ae5eed4.tar.xz