-/* GTK - The GTK+ Toolkit
+/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
#include <gtk/gtk.h>
+static void
+redraw_event_box (GtkWidget *widget)
+{
+ while (widget)
+ {
+ if (GTK_IS_EVENT_BOX (widget))
+ {
+ gtk_widget_queue_draw (widget);
+ break;
+ }
+
+ widget = gtk_widget_get_parent (widget);
+ }
+}
+
static void
combo_changed_cb (GtkWidget *combo,
gpointer data)
gint active;
active = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
-
gtk_label_set_ellipsize (GTK_LABEL (label), (PangoEllipsizeMode)active);
+ redraw_event_box (label);
+}
+
+static void
+scale_changed_cb (GtkRange *range,
+ gpointer data)
+{
+ double angle = gtk_range_get_value (range);
+ GtkWidget *label = GTK_WIDGET (data);
+
+ gtk_label_set_angle (GTK_LABEL (label), angle);
+ redraw_event_box (label);
+}
+
+static gboolean
+ebox_draw_cb (GtkWidget *widget,
+ cairo_t *cr,
+ gpointer data)
+{
+ PangoLayout *layout;
+ const double dashes[] = { 6, 18 };
+ GtkAllocation label_allocation;
+ GtkRequisition minimum_size, natural_size;
+ GtkWidget *label = data;
+ gint x, y;
+
+ cairo_translate (cr, -0.5, -0.5);
+ cairo_set_line_width (cr, 1);
+
+ cairo_set_source_rgb (cr, 1, 1, 1);
+ cairo_paint (cr);
+
+ gtk_widget_translate_coordinates (label, widget, 0, 0, &x, &y);
+ layout = gtk_widget_create_pango_layout (widget, "");
+
+ gtk_widget_get_preferred_size (label, &minimum_size, &natural_size);
+
+ pango_layout_set_markup (layout,
+ "<span color='#c33'>\342\227\217 requisition</span>\n"
+ "<span color='#3c3'>\342\227\217 natural size</span>\n"
+ "<span color='#33c'>\342\227\217 allocation</span>", -1);
+
+ pango_cairo_show_layout (cr, layout);
+ g_object_unref (layout);
+
+ gtk_widget_get_allocation (label, &label_allocation);
+
+ cairo_rectangle (cr,
+ x + 0.5 * (label_allocation.width - minimum_size.width),
+ y + 0.5 * (label_allocation.height - minimum_size.height),
+ minimum_size.width, minimum_size.height);
+ cairo_set_source_rgb (cr, 0.8, 0.2, 0.2);
+ cairo_set_dash (cr, NULL, 0, 0);
+ cairo_stroke (cr);
+
+ cairo_rectangle (cr, x, y, label_allocation.width, label_allocation.height);
+ cairo_set_source_rgb (cr, 0.2, 0.2, 0.8);
+ cairo_set_dash (cr, dashes, 2, 0.5);
+ cairo_stroke (cr);
+
+ cairo_rectangle (cr,
+ x + 0.5 * (label_allocation.width - natural_size.width),
+ y + 0.5 * (label_allocation.height - natural_size.height),
+ natural_size.width, natural_size.height);
+ cairo_set_source_rgb (cr, 0.2, 0.8, 0.2);
+ cairo_set_dash (cr, dashes, 2, 12.5);
+ cairo_stroke (cr);
+
+ return FALSE;
}
int
main (int argc, char *argv[])
{
- GtkWidget *window, *vbox, *hbox, *label, *combo;
+ GtkWidget *window, *vbox, *label;
+ GtkWidget *combo, *scale, *align, *ebox;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_container_set_border_width (GTK_CONTAINER (window), 12);
+ gtk_window_set_default_size (GTK_WINDOW (window), 400, 300);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
- vbox = gtk_vbox_new (0, FALSE);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (window), vbox);
- hbox = gtk_hbox_new (0, FALSE);
- gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
+
+ combo = gtk_combo_box_text_new ();
+ scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
+ 0, 360, 1);
label = gtk_label_new ("This label may be ellipsized\nto make it fit.");
- gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
- combo = gtk_combo_box_new_text ();
- gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "NONE");
- gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "START");
- gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "MIDDLE");
- gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "END");
+
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "NONE");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "START");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "MIDDLE");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "END");
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
- gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+
+ align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+ gtk_container_add (GTK_CONTAINER (align), label);
+
+ ebox = gtk_event_box_new ();
+ gtk_widget_set_app_paintable (ebox, TRUE);
+ gtk_container_add (GTK_CONTAINER (ebox), align);
+
+ gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox), ebox, TRUE, TRUE, 0);
+
+ g_object_set_data (G_OBJECT (label), "combo", combo);
+
g_signal_connect (combo, "changed", G_CALLBACK (combo_changed_cb), label);
+ g_signal_connect (scale, "value-changed", G_CALLBACK (scale_changed_cb), label);
+ g_signal_connect (ebox, "draw", G_CALLBACK (ebox_draw_cb), label);
gtk_widget_show_all (window);