gtk_widget_destroy (window);
}
+
+/*
+ * Cursors
+ */
+
+static gint
+cursor_expose_event (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data)
+{
+ GtkDrawingArea *darea;
+ GdkDrawable *drawable;
+ GdkGC *black_gc;
+ GdkGC *gray_gc;
+ GdkGC *white_gc;
+ guint max_width;
+ guint max_height;
+
+ g_return_val_if_fail (widget != NULL, TRUE);
+ g_return_val_if_fail (GTK_IS_DRAWING_AREA (widget), TRUE);
+
+ darea = GTK_DRAWING_AREA (widget);
+ drawable = widget->window;
+ white_gc = widget->style->white_gc;
+ gray_gc = widget->style->bg_gc[GTK_STATE_NORMAL];
+ black_gc = widget->style->black_gc;
+ max_width = widget->allocation.width;
+ max_height = widget->allocation.height;
+
+ gdk_draw_rectangle (drawable, white_gc,
+ TRUE,
+ 0,
+ 0,
+ max_width,
+ max_height / 2);
+
+ gdk_draw_rectangle (drawable, black_gc,
+ TRUE,
+ 0,
+ max_height / 2,
+ max_width,
+ max_height / 2);
+
+ gdk_draw_rectangle (drawable, gray_gc,
+ TRUE,
+ max_width / 3,
+ max_height / 3,
+ max_width / 3,
+ max_height / 3);
+
+ return TRUE;
+}
+
+static void
+set_cursor (GtkWidget *spinner,
+ GtkWidget *widget)
+{
+ guint c;
+ GdkCursor *cursor;
+
+ c = CLAMP (gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spinner)), 0, 152);
+ c &= 0xfe;
+
+ cursor = gdk_cursor_new (c);
+ gdk_window_set_cursor (widget->window, cursor);
+ gdk_cursor_destroy (cursor);
+}
+
+static gint
+cursor_event (GtkWidget *widget,
+ GdkEvent *event,
+ GtkSpinButton *spinner)
+{
+ if ((event->type == GDK_BUTTON_PRESS) &&
+ ((event->button.button == 1) ||
+ (event->button.button == 3)))
+ {
+ gtk_spin_button_spin (spinner,
+ event->button.button == 1 ? GTK_ARROW_UP : GTK_ARROW_DOWN,
+ spinner->adjustment->step_increment);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+create_cursors ()
+{
+ static GtkWidget *window = NULL;
+ GtkWidget *frame;
+ GtkWidget *hbox;
+ GtkWidget *main_vbox;
+ GtkWidget *vbox;
+ GtkWidget *darea;
+ GtkWidget *spinner;
+ GtkWidget *button;
+ GtkWidget *label;
+ GtkWidget *any;
+ GtkAdjustment *adj;
+
+ if (!window)
+ {
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+ gtk_signal_connect (GTK_OBJECT (window), "destroy",
+ GTK_SIGNAL_FUNC (gtk_widget_destroyed),
+ &window);
+
+ gtk_window_set_title (GTK_WINDOW (window), "Cursors");
+
+ main_vbox = gtk_vbox_new (FALSE, 5);
+ gtk_container_border_width (GTK_CONTAINER (main_vbox), 0);
+ gtk_container_add (GTK_CONTAINER (window), main_vbox);
+
+ vbox =
+ gtk_widget_new (gtk_vbox_get_type (),
+ "GtkBox::homogeneous", FALSE,
+ "GtkBox::spacing", 5,
+ "GtkContainer::border_width", 10,
+ "GtkWidget::parent", main_vbox,
+ "GtkWidget::visible", TRUE,
+ NULL);
+
+ hbox = gtk_hbox_new (FALSE, 0);
+ gtk_container_border_width (GTK_CONTAINER (hbox), 5);
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
+
+ label = gtk_label_new ("Cursor Value:");
+ gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
+
+ adj = (GtkAdjustment *) gtk_adjustment_new (0,
+ 0, 152,
+ 2,
+ 10, 0);
+ spinner = gtk_spin_button_new (adj, 0, 0);
+ gtk_box_pack_start (GTK_BOX (hbox), spinner, TRUE, TRUE, 0);
+
+ frame =
+ gtk_widget_new (gtk_frame_get_type (),
+ "GtkFrame::shadow", GTK_SHADOW_ETCHED_IN,
+ "GtkFrame::label_xalign", 0.5,
+ "GtkFrame::label", "Cursor Area",
+ "GtkContainer::border_width", 10,
+ "GtkWidget::parent", vbox,
+ "GtkWidget::visible", TRUE,
+ NULL);
+
+ darea = gtk_drawing_area_new ();
+ gtk_widget_set_usize (darea, 80, 80);
+ gtk_container_add (GTK_CONTAINER (frame), darea);
+ gtk_signal_connect (GTK_OBJECT (darea),
+ "expose_event",
+ GTK_SIGNAL_FUNC (cursor_expose_event),
+ NULL);
+ gtk_widget_set_events (darea, GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK);
+ gtk_signal_connect (GTK_OBJECT (darea),
+ "button_press_event",
+ GTK_SIGNAL_FUNC (cursor_event),
+ spinner);
+ gtk_widget_show (darea);
+
+ gtk_signal_connect (GTK_OBJECT (spinner), "changed",
+ GTK_SIGNAL_FUNC (set_cursor),
+ darea);
+
+ any =
+ gtk_widget_new (gtk_hseparator_get_type (),
+ "GtkWidget::visible", TRUE,
+ NULL);
+ gtk_box_pack_start (GTK_BOX (main_vbox), any, FALSE, TRUE, 0);
+
+ hbox = gtk_hbox_new (FALSE, 0);
+ gtk_container_border_width (GTK_CONTAINER (hbox), 10);
+ gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);
+
+ button = gtk_button_new_with_label ("Close");
+ gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
+ GTK_SIGNAL_FUNC (gtk_widget_destroy),
+ GTK_OBJECT (window));
+ gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
+ }
+
+ if (!GTK_WIDGET_VISIBLE (window))
+ gtk_widget_show_all (window);
+ else
+ gtk_widget_destroy (window);
+}
+
/*
* GtkList
*/
{ "tooltips", create_tooltips },
{ "menus", create_menus },
{ "scrolled windows", create_scrolled_windows },
- { "drawing areas", NULL },
+ { "cursors", create_cursors },
{ "entry", create_entry },
{ "spinbutton", create_spins },
{ "list", create_list },
projects / ~andy / gtk / blobdiff