4 /* test that margins and non-zero allocation x/y
5 * of the main widget are handled correctly
17 win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
18 gtk_window_set_title (GTK_WINDOW (win), "Non-zero X");
20 grid = gtk_grid_new ();
21 g_object_set (grid, "margin", 5, NULL);
22 gtk_container_add (GTK_CONTAINER (win), grid);
23 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Above"), 1, 0, 1, 1);
24 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Below"), 1, 2, 1, 1);
25 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Left"), 0, 1, 1, 1);
26 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Right"), 2, 1, 1, 1);
28 overlay = gtk_overlay_new ();
29 gdk_rgba_parse (&color, "red");
30 gtk_widget_override_background_color (overlay, 0, &color);
31 gtk_grid_attach (GTK_GRID (grid), overlay, 1, 1, 1, 1);
33 text = gtk_text_view_new ();
34 gtk_widget_set_size_request (text, 200, 200);
35 gtk_widget_set_hexpand (text, TRUE);
36 gtk_widget_set_vexpand (text, TRUE);
37 gtk_container_add (GTK_CONTAINER (overlay), text);
39 child = gtk_label_new ("I'm the overlay");
40 gtk_widget_set_halign (child, GTK_ALIGN_START);
41 gtk_widget_set_valign (child, GTK_ALIGN_START);
42 g_object_set (child, "margin", 3, NULL);
43 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
45 child = gtk_label_new ("No, I'm the overlay");
46 gtk_widget_set_halign (child, GTK_ALIGN_END);
47 gtk_widget_set_valign (child, GTK_ALIGN_END);
48 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
49 g_object_set (child, "margin", 3, NULL);
55 get_child_position (GtkOverlay *overlay,
62 GtkAllocation main_alloc;
65 child = gtk_bin_get_child (GTK_BIN (overlay));
67 gtk_widget_translate_coordinates (relative, child, 0, 0, &x, &y);
70 main_alloc.width = gtk_widget_get_allocated_width (relative);
71 main_alloc.height = gtk_widget_get_allocated_height (relative);
73 gtk_widget_get_preferred_size (widget, NULL, &req);
75 alloc->x = main_alloc.x;
76 alloc->width = MIN (main_alloc.width, req.width);
77 if (gtk_widget_get_halign (widget) == GTK_ALIGN_END)
78 alloc->x += main_alloc.width - req.width;
80 alloc->y = main_alloc.y;
81 alloc->height = MIN (main_alloc.height, req.height);
82 if (gtk_widget_get_valign (widget) == GTK_ALIGN_END)
83 alloc->y += main_alloc.height - req.height;
88 /* test custom positioning */
99 win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
100 gtk_window_set_title (GTK_WINDOW (win), "Custom positioning");
102 overlay = gtk_overlay_new ();
103 gdk_rgba_parse (&color, "yellow");
104 gtk_widget_override_background_color (overlay, 0, &color);
105 gtk_container_add (GTK_CONTAINER (win), overlay);
107 grid = gtk_grid_new ();
108 gtk_container_add (GTK_CONTAINER (overlay), grid);
109 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Above"), 1, 0, 1, 1);
110 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Below"), 1, 2, 1, 1);
111 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Left"), 0, 1, 1, 1);
112 gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Right"), 2, 1, 1, 1);
114 text = gtk_text_view_new ();
115 gtk_widget_set_size_request (text, 200, 200);
116 g_object_set (text, "margin", 5, NULL);
117 gtk_widget_set_hexpand (text, TRUE);
118 gtk_widget_set_vexpand (text, TRUE);
119 gtk_grid_attach (GTK_GRID (grid), text, 1, 1, 1, 1);
120 g_signal_connect (overlay, "get-child-position",
121 G_CALLBACK (get_child_position), text);
123 child = gtk_label_new ("Top left overlay");
124 gtk_widget_set_halign (child, GTK_ALIGN_START);
125 gtk_widget_set_valign (child, GTK_ALIGN_START);
126 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
127 g_object_set (child, "margin", 1, NULL);
129 child = gtk_label_new ("Bottom right overlay");
130 gtk_widget_set_halign (child, GTK_ALIGN_END);
131 gtk_widget_set_valign (child, GTK_ALIGN_END);
132 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
133 g_object_set (child, "margin", 1, NULL);
138 /* test GTK_ALIGN_FILL handling */
140 test_fullwidth (void)
147 win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
148 gtk_window_set_title (GTK_WINDOW (win), "Full-width");
150 overlay = gtk_overlay_new ();
151 gtk_container_add (GTK_CONTAINER (win), overlay);
153 text = gtk_text_view_new ();
154 gtk_widget_set_size_request (text, 200, 200);
155 gtk_widget_set_hexpand (text, TRUE);
156 gtk_widget_set_vexpand (text, TRUE);
157 gtk_container_add (GTK_CONTAINER (overlay), text);
159 child = gtk_label_new ("Fullwidth top overlay");
160 gtk_widget_set_halign (child, GTK_ALIGN_FILL);
161 gtk_widget_set_valign (child, GTK_ALIGN_START);
162 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
163 g_object_set (child, "margin", 4, NULL);
168 /* test that scrolling works as expected */
170 test_scrolling (void)
177 GtkTextBuffer *buffer;
181 win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
182 gtk_window_set_title (GTK_WINDOW (win), "Scrolling");
184 overlay = gtk_overlay_new ();
185 gtk_container_add (GTK_CONTAINER (win), overlay);
187 sw = gtk_scrolled_window_new (NULL, NULL);
188 gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (sw), 200);
189 gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (sw), 200);
190 gtk_container_add (GTK_CONTAINER (overlay), sw);
192 text = gtk_text_view_new ();
193 buffer = gtk_text_buffer_new (NULL);
194 if (!g_file_get_contents ("testoverlay.c", &contents, &len, NULL))
196 contents = g_strdup ("Text should go here...");
197 len = strlen (contents);
199 gtk_text_buffer_set_text (buffer, contents, len);
201 gtk_text_view_set_buffer (GTK_TEXT_VIEW (text), buffer);
203 gtk_widget_set_hexpand (text, TRUE);
204 gtk_widget_set_vexpand (text, TRUE);
205 gtk_container_add (GTK_CONTAINER (sw), text);
207 child = gtk_label_new ("This should be visible");
208 gtk_widget_set_halign (child, GTK_ALIGN_CENTER);
209 gtk_widget_set_valign (child, GTK_ALIGN_END);
210 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
211 g_object_set (child, "margin", 4, NULL);
216 static const gchar *buffer =
218 " <object class='GtkWindow' id='window'>"
219 " <property name='title'>GtkBuilder support</property>"
221 " <object class='GtkOverlay' id='overlay'>"
222 " <child type='overlay'>"
223 " <object class='GtkLabel' id='overlay-child'>"
224 " <property name='label'>Witty remark goes here</property>"
225 " <property name='halign'>end</property>"
226 " <property name='valign'>end</property>"
227 " <property name='margin'>4</property>"
231 " <object class='GtkGrid' id='grid'>"
233 " <object class='GtkLabel' id='left'>"
234 " <property name='label'>Left</property>"
237 " <property name='left_attach'>0</property>"
238 " <property name='top_attach'>0</property>"
242 " <object class='GtkLabel' id='right'>"
243 " <property name='label'>Right</property>"
246 " <property name='left_attach'>2</property>"
247 " <property name='top_attach'>0</property>"
251 " <object class='GtkTextView' id='text'>"
252 " <property name='width-request'>200</property>"
253 " <property name='height-request'>200</property>"
254 " <property name='hexpand'>True</property>"
255 " <property name='vexpand'>True</property>"
258 " <property name='left_attach'>1</property>"
259 " <property name='top_attach'>0</property>"
269 /* test that overlays can be constructed with GtkBuilder */
277 builder = gtk_builder_new ();
280 if (!gtk_builder_add_from_string (builder, buffer, -1, &error))
282 g_warning ("%s", error->message);
283 g_error_free (error);
287 win = (GtkWidget *)gtk_builder_get_object (builder, "window");
290 g_object_unref (builder);
296 on_enter (GtkWidget *overlay, GdkEventCrossing *event, GtkWidget *child)
298 if (event->window != gtk_widget_get_window (child))
301 if (gtk_widget_get_halign (child) == GTK_ALIGN_START)
302 gtk_widget_set_halign (child, GTK_ALIGN_END);
304 gtk_widget_set_halign (child, GTK_ALIGN_START);
306 gtk_widget_queue_resize (overlay);
317 GtkTextBuffer *buffer;
321 win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
322 gtk_window_set_title (GTK_WINDOW (win), "Chase");
324 overlay = gtk_overlay_new ();
325 gtk_widget_set_events (overlay, GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK);
326 gtk_container_add (GTK_CONTAINER (win), overlay);
328 sw = gtk_scrolled_window_new (NULL, NULL);
329 gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (sw), 200);
330 gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (sw), 200);
331 gtk_container_add (GTK_CONTAINER (overlay), sw);
333 text = gtk_text_view_new ();
334 buffer = gtk_text_buffer_new (NULL);
335 if (!g_file_get_contents ("testoverlay.c", &contents, &len, NULL))
337 contents = g_strdup ("Text should go here...");
338 len = strlen (contents);
340 gtk_text_buffer_set_text (buffer, contents, len);
342 gtk_text_view_set_buffer (GTK_TEXT_VIEW (text), buffer);
344 gtk_widget_set_hexpand (text, TRUE);
345 gtk_widget_set_vexpand (text, TRUE);
346 gtk_container_add (GTK_CONTAINER (sw), text);
348 child = gtk_label_new ("Try to enter");
349 gtk_widget_set_halign (child, GTK_ALIGN_START);
350 gtk_widget_set_valign (child, GTK_ALIGN_END);
351 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
352 g_object_set (child, "margin", 4, NULL);
354 g_signal_connect (overlay, "enter-notify-event",
355 G_CALLBACK (on_enter), child);
364 GtkWidget *main_child;
372 win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
373 gtk_window_set_title (GTK_WINDOW (win), "Stacking");
375 grid = gtk_grid_new ();
376 overlay = gtk_overlay_new ();
377 main_child = gtk_event_box_new ();
378 gdk_rgba_parse (&color, "green");
379 gtk_widget_override_background_color (main_child, 0, &color);
380 gtk_widget_set_hexpand (main_child, TRUE);
381 gtk_widget_set_vexpand (main_child, TRUE);
382 label = gtk_label_new ("Main child");
383 child = gtk_label_new ("Overlay");
384 gtk_widget_set_halign (child, GTK_ALIGN_END);
385 gtk_widget_set_valign (child, GTK_ALIGN_END);
387 check1 = gtk_check_button_new_with_label ("Show main");
388 g_object_bind_property (main_child, "visible", check1, "active", G_BINDING_BIDIRECTIONAL);
390 check2 = gtk_check_button_new_with_label ("Show overlay");
391 g_object_bind_property (child, "visible", check2, "active", G_BINDING_BIDIRECTIONAL);
392 gtk_container_add (GTK_CONTAINER (main_child), label);
393 gtk_container_add (GTK_CONTAINER (overlay), main_child);
394 gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
395 gtk_grid_attach (GTK_GRID (grid), overlay, 1, 0, 1, 3);
396 gtk_container_add (GTK_CONTAINER (win), grid);
398 gtk_grid_attach (GTK_GRID (grid), check1, 0, 0, 1, 1);
399 gtk_grid_attach (GTK_GRID (grid), check2, 0, 1, 1, 1);
400 child = gtk_label_new ("");
401 gtk_widget_set_vexpand (child, TRUE);
402 gtk_grid_attach (GTK_GRID (grid), child, 0, 2, 1, 1);
408 main (int argc, char *argv[])
418 gtk_init (&argc, &argv);
420 if (g_getenv ("RTL"))
421 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
423 win1 = test_nonzerox ();
424 gtk_widget_show_all (win1);
426 win2 = test_relative ();
427 gtk_widget_show_all (win2);
429 win3 = test_fullwidth ();
430 gtk_widget_show_all (win3);
432 win4 = test_scrolling ();
433 gtk_widget_show_all (win4);
435 win5 = test_builder ();
436 gtk_widget_show_all (win5);
438 win6 = test_chase ();
439 gtk_widget_show_all (win6);
441 win7 = test_stacking ();
442 gtk_widget_show_all (win7);