1 #include <gtk/gtk.h>
2
3 static GtkWidget *
oriented_test_widget(const gchar * label,const gchar * color,gdouble angle)4 oriented_test_widget (const gchar *label, const gchar *color, gdouble angle)
5 {
6 GtkWidget *box;
7 GtkWidget *widget;
8 GtkCssProvider *provider;
9 gchar *data;
10
11 widget = gtk_label_new (label);
12 gtk_label_set_angle (GTK_LABEL (widget), angle);
13 box = gtk_event_box_new ();
14 provider = gtk_css_provider_new ();
15 data = g_strdup_printf ("GtkEventBox { background-color: %s; }", color);
16 gtk_css_provider_load_from_data (provider, data, -1, NULL);
17 gtk_style_context_add_provider (gtk_widget_get_style_context (box),
18 GTK_STYLE_PROVIDER (provider),
19 GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
20 g_free (data);
21 g_object_unref (provider);
22 gtk_container_add (GTK_CONTAINER (box), widget);
23
24 return box;
25 }
26
27 static GtkWidget *
test_widget(const gchar * label,const gchar * color)28 test_widget (const gchar *label, const gchar *color)
29 {
30 return oriented_test_widget (label, color, 0.0);
31 }
32
33 static GtkOrientation o;
34
35 static gboolean
toggle_orientation(GtkWidget * window,GdkEventButton * event,GtkGrid * grid)36 toggle_orientation (GtkWidget *window, GdkEventButton *event, GtkGrid *grid)
37 {
38 o = 1 - o;
39
40 gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), o);
41
42 return FALSE;
43 }
44
45 static void
simple_grid(void)46 simple_grid (void)
47 {
48 GtkWidget *window;
49 GtkWidget *grid;
50 GtkWidget *test1, *test2, *test3, *test4, *test5, *test6;
51
52 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
53 gtk_window_set_title (GTK_WINDOW (window), "Orientation");
54 grid = gtk_grid_new ();
55 gtk_container_add (GTK_CONTAINER (window), grid);
56 g_signal_connect (window, "button-press-event", G_CALLBACK (toggle_orientation), grid);
57
58 gtk_grid_set_column_spacing (GTK_GRID (grid), 5);
59 gtk_grid_set_row_spacing (GTK_GRID (grid), 5);
60 test1 = test_widget ("1", "red");
61 gtk_container_add (GTK_CONTAINER (grid), test1);
62 test2 = test_widget ("2", "green");
63 gtk_container_add (GTK_CONTAINER (grid), test2);
64 test3 = test_widget ("3", "blue");
65 gtk_container_add (GTK_CONTAINER (grid), test3);
66 test4 = test_widget ("4", "green");
67 gtk_grid_attach (GTK_GRID (grid), test4, 0, 1, 1, 1);
68 gtk_widget_set_vexpand (test4, TRUE);
69 test5 = test_widget ("5", "blue");
70 gtk_grid_attach_next_to (GTK_GRID (grid), test5, test4, GTK_POS_RIGHT, 2, 1);
71 test6 = test_widget ("6", "yellow");
72 gtk_grid_attach (GTK_GRID (grid), test6, -1, 0, 1, 2);
73 gtk_widget_set_hexpand (test6, TRUE);
74
75 g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 0, -1) == NULL);
76 g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 0, 0) == test1);
77 g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 1, 0) == test2);
78 g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 0, 1) == test4);
79 g_assert (gtk_grid_get_child_at (GTK_GRID (grid), -1, 0) == test6);
80 g_assert (gtk_grid_get_child_at (GTK_GRID (grid), -1, 1) == test6);
81 g_assert (gtk_grid_get_child_at (GTK_GRID (grid), -1, 2) == NULL);
82 gtk_widget_show_all (window);
83 }
84
85 static void
text_grid(void)86 text_grid (void)
87 {
88 GtkWidget *window;
89 GtkWidget *grid;
90 GtkWidget *paned1;
91 GtkWidget *box;
92 GtkWidget *label;
93
94 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
95 gtk_window_set_title (GTK_WINDOW (window), "Height-for-Width");
96 paned1 = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
97 gtk_container_add (GTK_CONTAINER (window), paned1);
98
99 box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
100 gtk_paned_pack1 (GTK_PANED (paned1), box, TRUE, FALSE);
101 gtk_paned_pack2 (GTK_PANED (paned1), gtk_label_new ("Space"), TRUE, FALSE);
102
103 grid = gtk_grid_new ();
104 gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), GTK_ORIENTATION_VERTICAL);
105 gtk_container_add (GTK_CONTAINER (box), gtk_label_new ("Above"));
106 gtk_container_add (GTK_CONTAINER (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
107 gtk_container_add (GTK_CONTAINER (box), grid);
108 gtk_container_add (GTK_CONTAINER (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
109 gtk_container_add (GTK_CONTAINER (box), gtk_label_new ("Below"));
110
111 label = gtk_label_new ("Some text that may wrap if it has to");
112 gtk_label_set_width_chars (GTK_LABEL (label), 10);
113 gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
114 gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
115
116 gtk_grid_attach (GTK_GRID (grid), test_widget ("1", "red"), 1, 0, 1, 1);
117 gtk_grid_attach (GTK_GRID (grid), test_widget ("2", "blue"), 0, 1, 1, 1);
118
119 label = gtk_label_new ("Some text that may wrap if it has to");
120 gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
121 gtk_label_set_width_chars (GTK_LABEL (label), 10);
122 gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
123
124 gtk_widget_show_all (window);
125 }
126
127 static void
box_comparison(void)128 box_comparison (void)
129 {
130 GtkWidget *window;
131 GtkWidget *vbox;
132 GtkWidget *box;
133 GtkWidget *label;
134 GtkWidget *grid;
135
136 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
137 gtk_window_set_title (GTK_WINDOW (window), "Grid vs. Box");
138 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
139 gtk_container_add (GTK_CONTAINER (window), vbox);
140
141 gtk_container_add (GTK_CONTAINER (vbox), gtk_label_new ("Above"));
142 gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
143
144 box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
145 gtk_container_add (GTK_CONTAINER (vbox), box);
146
147 gtk_box_pack_start (GTK_BOX (box), test_widget ("1", "white"), FALSE, FALSE, 0);
148
149 label = gtk_label_new ("Some ellipsizing text");
150 gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
151 gtk_label_set_width_chars (GTK_LABEL (label), 10);
152 gtk_box_pack_start (GTK_BOX (box), label, TRUE, FALSE, 0);
153
154 gtk_box_pack_start (GTK_BOX (box), test_widget ("2", "green"), FALSE, FALSE, 0);
155
156 label = gtk_label_new ("Some text that may wrap if needed");
157 gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
158 gtk_label_set_width_chars (GTK_LABEL (label), 10);
159 gtk_box_pack_start (GTK_BOX (box), label, TRUE, FALSE, 0);
160
161 gtk_box_pack_start (GTK_BOX (box), test_widget ("3", "red"), FALSE, FALSE, 0);
162
163 grid = gtk_grid_new ();
164 gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), GTK_ORIENTATION_VERTICAL);
165 gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
166 gtk_container_add (GTK_CONTAINER (vbox), grid);
167
168 gtk_grid_attach (GTK_GRID (grid), test_widget ("1", "white"), 0, 0, 1, 1);
169
170 label = gtk_label_new ("Some ellipsizing text");
171 gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
172 gtk_label_set_width_chars (GTK_LABEL (label), 10);
173 gtk_grid_attach (GTK_GRID (grid), label, 1, 0, 1, 1);
174 gtk_widget_set_hexpand (label, TRUE);
175
176 gtk_grid_attach (GTK_GRID (grid), test_widget ("2", "green"), 2, 0, 1, 1);
177
178 label = gtk_label_new ("Some text that may wrap if needed");
179 gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
180 gtk_label_set_width_chars (GTK_LABEL (label), 10);
181 gtk_grid_attach (GTK_GRID (grid), label, 3, 0, 1, 1);
182 gtk_widget_set_hexpand (label, TRUE);
183
184 gtk_grid_attach (GTK_GRID (grid), test_widget ("3", "red"), 4, 0, 1, 1);
185
186 gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
187 gtk_container_add (GTK_CONTAINER (vbox), gtk_label_new ("Below"));
188
189 gtk_widget_show_all (window);
190 }
191
192 static void
empty_line(void)193 empty_line (void)
194 {
195 GtkWidget *window;
196 GtkWidget *grid;
197 GtkWidget *child;
198
199 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
200 gtk_window_set_title (GTK_WINDOW (window), "Empty row");
201 grid = gtk_grid_new ();
202 gtk_container_add (GTK_CONTAINER (window), grid);
203
204 gtk_grid_set_row_spacing (GTK_GRID (grid), 10);
205 gtk_grid_set_column_spacing (GTK_GRID (grid), 10);
206
207 child = test_widget ("(0, 0)", "red");
208 gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
209 gtk_widget_set_hexpand (child, TRUE);
210 gtk_widget_set_vexpand (child, TRUE);
211
212 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "blue"), 0, 1, 1, 1);
213
214 gtk_grid_attach (GTK_GRID (grid), test_widget ("(10, 0)", "green"), 10, 0, 1, 1);
215 gtk_grid_attach (GTK_GRID (grid), test_widget ("(10, 1)", "magenta"), 10, 1, 1, 1);
216
217 gtk_widget_show_all (window);
218 }
219
220 static void
empty_grid(void)221 empty_grid (void)
222 {
223 GtkWidget *window;
224 GtkWidget *grid;
225 GtkWidget *child;
226
227 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
228 gtk_window_set_title (GTK_WINDOW (window), "Empty grid");
229 grid = gtk_grid_new ();
230 gtk_container_add (GTK_CONTAINER (window), grid);
231
232 gtk_grid_set_row_spacing (GTK_GRID (grid), 10);
233 gtk_grid_set_column_spacing (GTK_GRID (grid), 10);
234 gtk_grid_set_row_homogeneous (GTK_GRID (grid), TRUE);
235
236 child = test_widget ("(0, 0)", "red");
237 gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
238 gtk_widget_set_hexpand (child, TRUE);
239 gtk_widget_set_vexpand (child, TRUE);
240
241 gtk_widget_show_all (window);
242 gtk_widget_hide (child);
243 }
244
245 static void
scrolling(void)246 scrolling (void)
247 {
248 GtkWidget *window;
249 GtkWidget *sw;
250 GtkWidget *viewport;
251 GtkWidget *grid;
252 GtkWidget *child;
253 gint i;
254
255 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
256 gtk_window_set_title (GTK_WINDOW (window), "Scrolling");
257 sw = gtk_scrolled_window_new (NULL, NULL);
258 viewport = gtk_viewport_new (NULL, NULL);
259 grid = gtk_grid_new ();
260
261 gtk_container_add (GTK_CONTAINER (window), sw);
262 gtk_container_add (GTK_CONTAINER (sw), viewport);
263 gtk_container_add (GTK_CONTAINER (viewport), grid);
264
265 child = oriented_test_widget ("#800080", "#800080", -45.0);
266 gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
267 gtk_widget_set_hexpand (child, TRUE);
268 gtk_widget_set_vexpand (child, TRUE);
269
270 for (i = 1; i < 16; i++)
271 {
272 gchar *color;
273 color = g_strdup_printf ("#%02x00%02x", 128 + 8*i, 128 - 8*i);
274 child = test_widget (color, color);
275 gtk_grid_attach (GTK_GRID (grid), child, 0, i, i + 1, 1);
276 gtk_widget_set_hexpand (child, TRUE);
277 g_free (color);
278 }
279
280 for (i = 1; i < 16; i++)
281 {
282 gchar *color;
283 color = g_strdup_printf ("#%02x00%02x", 128 - 8*i, 128 + 8*i);
284 child = oriented_test_widget (color, color, -90.0);
285 gtk_grid_attach (GTK_GRID (grid), child, i, 0, 1, i);
286 gtk_widget_set_vexpand (child, TRUE);
287 g_free (color);
288 }
289
290 gtk_widget_show_all (window);
291 }
292
293 static void
insert_cb(GtkButton * button,GtkWidget * window)294 insert_cb (GtkButton *button, GtkWidget *window)
295 {
296 GtkGrid *g, *g1, *g2, *g3, *g4;
297 GtkWidget *child;
298 gboolean inserted;
299
300 g = GTK_GRID (gtk_bin_get_child (GTK_BIN (window)));
301 g1 = GTK_GRID (gtk_grid_get_child_at (g, 0, 0));
302 g2 = GTK_GRID (gtk_grid_get_child_at (g, 1, 0));
303 g3 = GTK_GRID (gtk_grid_get_child_at (g, 0, 1));
304 g4 = GTK_GRID (gtk_grid_get_child_at (g, 1, 1));
305
306 inserted = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button), "inserted"));
307
308 if (inserted)
309 {
310 gtk_grid_remove_row (g1, 1);
311 gtk_grid_remove_column (g2, 1);
312 gtk_grid_remove_row (g3, 1);
313 gtk_grid_remove_column (g4, 1);
314 }
315 else
316 {
317 gtk_grid_insert_row (g1, 1);
318 gtk_grid_attach (g1, test_widget ("(0, 1)", "red"), 0, 1, 1, 1);
319 gtk_grid_attach (g1, test_widget ("(2, 1)", "red"), 2, 1, 1, 1);
320
321 gtk_grid_insert_column (g2, 1);
322 gtk_grid_attach (g2, test_widget ("(1, 0)", "red"), 1, 0, 1, 1);
323 gtk_grid_attach (g2, test_widget ("(1, 2)", "red"), 1, 2, 1, 1);
324
325 child = gtk_grid_get_child_at (g3, 0, 0);
326 gtk_grid_insert_next_to (g3, child, GTK_POS_BOTTOM);
327 gtk_grid_attach (g3, test_widget ("(0, 1)", "red"), 0, 1, 1, 1);
328 gtk_grid_attach (g3, test_widget ("(2, 1)", "red"), 2, 1, 1, 1);
329
330 child = gtk_grid_get_child_at (g4, 0, 0);
331 gtk_grid_insert_next_to (g4, child, GTK_POS_RIGHT);
332 gtk_grid_attach (g4, test_widget ("(1, 0)", "red"), 1, 0, 1, 1);
333 gtk_grid_attach (g4, test_widget ("(1, 2)", "red"), 1, 2, 1, 1);
334
335 gtk_widget_show_all (GTK_WIDGET (g));
336 }
337
338 gtk_button_set_label (button, inserted ? "Insert" : "Remove");
339 g_object_set_data (G_OBJECT (button), "inserted", GINT_TO_POINTER (!inserted));
340 }
341
342 static void
insert(void)343 insert (void)
344 {
345 GtkWidget *window;
346 GtkWidget *g;
347 GtkWidget *grid;
348 GtkWidget *child;
349 GtkWidget *button;
350
351 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
352 gtk_window_set_title (GTK_WINDOW (window), "Insertion / Removal");
353
354 g = gtk_grid_new ();
355 gtk_grid_set_row_spacing (GTK_GRID (g), 10);
356 gtk_grid_set_column_spacing (GTK_GRID (g), 10);
357 gtk_container_add (GTK_CONTAINER (window), g);
358
359 grid = gtk_grid_new ();
360 gtk_grid_attach (GTK_GRID (g), grid, 0, 0, 1, 1);
361
362 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 0)", "blue"), 0, 0, 1, 1);
363 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "blue"), 0, 1, 1, 1);
364 gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "green"), 1, 0, 1, 2);
365 gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 0)", "yellow"), 2, 0, 1, 1);
366 gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 1)", "yellow"), 2, 1, 1, 1);
367
368 grid = gtk_grid_new ();
369 gtk_grid_attach (GTK_GRID (g), grid, 1, 0, 1, 1);
370
371 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 0)", "blue"), 0, 0, 1, 1);
372 gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "blue"), 1, 0, 1, 1);
373 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "green"), 0, 1, 2, 1);
374 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 2)", "yellow"), 0, 2, 1, 1);
375 gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 2)", "yellow"), 1, 2, 1, 1);
376
377 grid = gtk_grid_new ();
378 gtk_grid_attach (GTK_GRID (g), grid, 0, 1, 1, 1);
379
380 child = test_widget ("(0, 0)", "blue");
381 gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
382 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "blue"), 0, 1, 1, 1);
383 gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "green"), 1, 0, 1, 2);
384 gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 0)", "yellow"), 2, 0, 1, 1);
385 gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 1)", "yellow"), 2, 1, 1, 1);
386
387 grid = gtk_grid_new ();
388 gtk_grid_attach (GTK_GRID (g), grid, 1, 1, 1, 1);
389
390 child = test_widget ("(0, 0)", "blue");
391 gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
392 gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "blue"), 1, 0, 1, 1);
393 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "green"), 0, 1, 2, 1);
394 gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 2)", "yellow"), 0, 2, 1, 1);
395 gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 2)", "yellow"), 1, 2, 1, 1);
396
397 button = gtk_button_new_with_label ("Insert");
398 g_signal_connect (button, "clicked", G_CALLBACK (insert_cb), window);
399 gtk_grid_attach (GTK_GRID (g), button, 0, 2, 2, 1);
400
401 gtk_widget_show_all (window);
402 }
403
404 static void
spanning_grid(void)405 spanning_grid (void)
406 {
407 GtkWidget *window;
408 GtkWidget *g;
409 GtkWidget *c;
410
411 /* inspired by bug 698660
412 * the row/column that are empty except for the spanning
413 * child need to stay collapsed
414 */
415
416 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
417 gtk_window_set_title (GTK_WINDOW (window), "Spanning");
418
419 g = gtk_grid_new ();
420 gtk_container_add (GTK_CONTAINER (window), g);
421
422 c = test_widget ("0", "blue");
423 gtk_widget_set_hexpand (c, TRUE);
424 gtk_grid_attach (GTK_GRID (g), c, 0, 4, 4, 1);
425
426 c = test_widget ("1", "green");
427 gtk_widget_set_vexpand (c, TRUE);
428 gtk_grid_attach (GTK_GRID (g), c, 4, 0, 1, 4);
429
430 c = test_widget ("2", "red");
431 gtk_widget_set_hexpand (c, TRUE);
432 gtk_widget_set_vexpand (c, TRUE);
433 gtk_grid_attach (GTK_GRID (g), c, 3, 3, 1, 1);
434
435 c = test_widget ("3", "yellow");
436 gtk_grid_attach (GTK_GRID (g), c, 0, 3, 2, 1);
437
438 c = test_widget ("4", "orange");
439 gtk_grid_attach (GTK_GRID (g), c, 3, 0, 1, 2);
440
441 c = test_widget ("5", "purple");
442 gtk_grid_attach (GTK_GRID (g), c, 1, 1, 1, 1);
443
444 c = test_widget ("6", "white");
445 gtk_grid_attach (GTK_GRID (g), c, 0, 1, 1, 1);
446
447 c = test_widget ("7", "cyan");
448 gtk_grid_attach (GTK_GRID (g), c, 1, 0, 1, 1);
449
450 gtk_widget_show_all (window);
451 }
452
453 int
main(int argc,char * argv[])454 main (int argc, char *argv[])
455 {
456 gtk_init (NULL, NULL);
457
458 if (g_getenv ("RTL"))
459 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
460
461 simple_grid ();
462 text_grid ();
463 box_comparison ();
464 empty_line ();
465 scrolling ();
466 insert ();
467 empty_grid ();
468 spanning_grid ();
469
470 gtk_main ();
471
472 return 0;
473 }
474