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,
19 GdkEventExpose *event,
26 style = gtk_widget_get_style (widget);
28 gdk_draw_rectangle (widget->window,
29 style->bg_gc[GTK_STATE_NORMAL],
31 event->area.x, event->area.y,
32 event->area.width, event->area.height);
39 change_color_callback (GtkWidget *button,
43 GtkColorSelection *colorsel;
46 dialog = gtk_color_selection_dialog_new ("Changing color");
48 gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (window));
50 colorsel = GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (dialog)->colorsel);
52 gtk_color_selection_set_previous_color (colorsel, &color);
53 gtk_color_selection_set_current_color (colorsel, &color);
54 gtk_color_selection_set_has_palette (colorsel, TRUE);
56 response = gtk_dialog_run (GTK_DIALOG (dialog));
58 if (response == GTK_RESPONSE_OK)
60 gtk_color_selection_get_current_color (colorsel,
63 gtk_widget_modify_bg (da, GTK_STATE_NORMAL, &color);
66 gtk_widget_destroy (dialog);
70 do_colorsel (GtkWidget *do_widget)
82 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
83 gtk_window_set_screen (GTK_WINDOW (window),
84 gtk_widget_get_screen (do_widget));
85 gtk_window_set_title (GTK_WINDOW (window), "Color Selection");
87 g_signal_connect (window, "destroy",
88 G_CALLBACK (gtk_widget_destroyed), &window);
90 gtk_container_set_border_width (GTK_CONTAINER (window), 8);
92 vbox = gtk_vbox_new (FALSE, 8);
93 gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
94 gtk_container_add (GTK_CONTAINER (window), vbox);
97 * Create the color swatch area
101 frame = gtk_frame_new (NULL);
102 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
103 gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
105 da = gtk_drawing_area_new ();
107 g_signal_connect (da, "expose_event",
108 G_CALLBACK (expose_event_callback), NULL);
110 /* set a minimum size */
111 gtk_widget_set_size_request (da, 200, 200);
113 gtk_widget_modify_bg (da, GTK_STATE_NORMAL, &color);
115 gtk_container_add (GTK_CONTAINER (frame), da);
117 alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0);
119 button = gtk_button_new_with_mnemonic ("_Change the above color");
120 gtk_container_add (GTK_CONTAINER (alignment), button);
122 gtk_box_pack_start (GTK_BOX (vbox), alignment, FALSE, FALSE, 0);
124 g_signal_connect (button, "clicked",
125 G_CALLBACK (change_color_callback), NULL);
128 if (!gtk_widget_get_visible (window))
130 gtk_widget_show_all (window);
134 gtk_widget_destroy (window);