3 * GtkColorSelection lets the user choose a color. GtkColorSelectionDialog is
4 * a prebuilt dialog containing a GtkColorSelection.
10 static GtkWidget *window = NULL;
12 static GdkColor color;
13 static GtkWidget *frame;
15 /* Expose callback for the drawing area
18 expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
24 style = gtk_widget_get_style (widget);
26 gdk_draw_rectangle (widget->window,
27 style->bg_gc[GTK_STATE_NORMAL],
29 event->area.x, event->area.y,
30 event->area.width, event->area.height);
37 change_color_callback (GtkWidget *button,
41 GtkColorSelection *colorsel;
44 dialog = gtk_color_selection_dialog_new ("Changing color");
46 gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (window));
48 colorsel = GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (dialog)->colorsel);
50 gtk_color_selection_set_previous_color (colorsel, &color);
51 gtk_color_selection_set_current_color (colorsel, &color);
52 gtk_color_selection_set_has_palette (colorsel, TRUE);
54 response = gtk_dialog_run (GTK_DIALOG (dialog));
56 if (response == GTK_RESPONSE_OK)
58 gtk_color_selection_get_current_color (colorsel,
61 gtk_widget_modify_bg (da, GTK_STATE_NORMAL, &color);
64 gtk_widget_destroy (dialog);
68 do_colorsel (GtkWidget *do_widget)
80 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
81 gtk_window_set_screen (GTK_WINDOW (window),
82 gtk_widget_get_screen (do_widget));
83 gtk_window_set_title (GTK_WINDOW (window), "Color Selection");
85 g_signal_connect (window, "destroy",
86 G_CALLBACK (gtk_widget_destroyed), &window);
88 gtk_container_set_border_width (GTK_CONTAINER (window), 8);
90 vbox = gtk_vbox_new (FALSE, 8);
91 gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
92 gtk_container_add (GTK_CONTAINER (window), vbox);
95 * Create the color swatch area
99 frame = gtk_frame_new (NULL);
100 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
101 gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
103 da = gtk_drawing_area_new ();
105 g_signal_connect (da, "expose_event",
106 G_CALLBACK (expose_event_callback), NULL);
108 /* set a minimum size */
109 gtk_widget_set_size_request (da, 200, 200);
111 gtk_widget_modify_bg (da, GTK_STATE_NORMAL, &color);
113 gtk_container_add (GTK_CONTAINER (frame), da);
115 alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0);
117 button = gtk_button_new_with_mnemonic ("_Change the above color");
118 gtk_container_add (GTK_CONTAINER (alignment), button);
120 gtk_box_pack_start (GTK_BOX (vbox), alignment, FALSE, FALSE, 0);
122 g_signal_connect (button, "clicked",
123 G_CALLBACK (change_color_callback), NULL);
126 if (!GTK_WIDGET_VISIBLE (window))
128 gtk_widget_show_all (window);
132 gtk_widget_destroy (window);