1 /* testtreeedit.c
2 * Copyright (C) 2001 Red Hat, Inc
3 * Author: Jonathan Blandford
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #include "config.h"
20 #include <gtk/gtk.h>
21
22 typedef struct {
23 const gchar *string;
24 gboolean is_editable;
25 gboolean is_sensitive;
26 gint progress;
27 } ListEntry;
28
29 enum {
30 STRING_COLUMN,
31 IS_EDITABLE_COLUMN,
32 IS_SENSITIVE_COLUMN,
33 ICON_NAME_COLUMN,
34 LAST_ICON_NAME_COLUMN,
35 PROGRESS_COLUMN,
36 NUM_COLUMNS
37 };
38
39 static ListEntry model_strings[] =
40 {
41 {"A simple string", TRUE, TRUE, 0 },
42 {"Another string!", TRUE, TRUE, 10 },
43 {"", TRUE, TRUE, 0 },
44 {"Guess what, a third string. This one can't be edited", FALSE, TRUE, 47 },
45 {"And then a fourth string. Neither can this", FALSE, TRUE, 48 },
46 {"Multiline\nFun!", TRUE, FALSE, 75 },
47 { NULL }
48 };
49
50 static GtkTreeModel *
create_model(void)51 create_model (void)
52 {
53 GtkTreeStore *model;
54 GtkTreeIter iter;
55 gint i;
56
57 model = gtk_tree_store_new (NUM_COLUMNS,
58 G_TYPE_STRING,
59 G_TYPE_BOOLEAN,
60 G_TYPE_BOOLEAN,
61 G_TYPE_STRING,
62 G_TYPE_STRING,
63 G_TYPE_INT);
64
65 for (i = 0; model_strings[i].string != NULL; i++)
66 {
67 gtk_tree_store_append (model, &iter, NULL);
68
69 gtk_tree_store_set (model, &iter,
70 STRING_COLUMN, model_strings[i].string,
71 IS_EDITABLE_COLUMN, model_strings[i].is_editable,
72 IS_SENSITIVE_COLUMN, model_strings[i].is_sensitive,
73 ICON_NAME_COLUMN, "document-new",
74 LAST_ICON_NAME_COLUMN, "edit-delete",
75 PROGRESS_COLUMN, model_strings[i].progress,
76 -1);
77 }
78
79 return GTK_TREE_MODEL (model);
80 }
81
82 static void
editable_toggled(GtkCellRendererToggle * cell,gchar * path_string,gpointer data)83 editable_toggled (GtkCellRendererToggle *cell,
84 gchar *path_string,
85 gpointer data)
86 {
87 GtkTreeModel *model = GTK_TREE_MODEL (data);
88 GtkTreeIter iter;
89 GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
90 gboolean value;
91
92 gtk_tree_model_get_iter (model, &iter, path);
93 gtk_tree_model_get (model, &iter, IS_EDITABLE_COLUMN, &value, -1);
94
95 value = !value;
96 gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_EDITABLE_COLUMN, value, -1);
97
98 gtk_tree_path_free (path);
99 }
100
101 static void
sensitive_toggled(GtkCellRendererToggle * cell,gchar * path_string,gpointer data)102 sensitive_toggled (GtkCellRendererToggle *cell,
103 gchar *path_string,
104 gpointer data)
105 {
106 GtkTreeModel *model = GTK_TREE_MODEL (data);
107 GtkTreeIter iter;
108 GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
109 gboolean value;
110
111 gtk_tree_model_get_iter (model, &iter, path);
112 gtk_tree_model_get (model, &iter, IS_SENSITIVE_COLUMN, &value, -1);
113
114 value = !value;
115 gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_SENSITIVE_COLUMN, value, -1);
116
117 gtk_tree_path_free (path);
118 }
119
120 static void
edited(GtkCellRendererText * cell,gchar * path_string,gchar * new_text,gpointer data)121 edited (GtkCellRendererText *cell,
122 gchar *path_string,
123 gchar *new_text,
124 gpointer data)
125 {
126 GtkTreeModel *model = GTK_TREE_MODEL (data);
127 GtkTreeIter iter;
128 GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
129
130 gtk_tree_model_get_iter (model, &iter, path);
131 gtk_tree_store_set (GTK_TREE_STORE (model), &iter, STRING_COLUMN, new_text, -1);
132
133 gtk_tree_path_free (path);
134 }
135
136 static gboolean
button_press_event(GtkWidget * widget,GdkEventButton * event,gpointer callback_data)137 button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer callback_data)
138 {
139 /* Deselect if people click outside any row. */
140 if (event->window == gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget))
141 && !gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
142 event->x, event->y, NULL, NULL, NULL, NULL)) {
143 gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)));
144 }
145
146 /* Let the default code run in any case; it won't reselect anything. */
147 return FALSE;
148 }
149
150 typedef struct {
151 GtkCellArea *area;
152 GtkCellRenderer *renderer;
153 } CallbackData;
154
155 static void
align_cell_toggled(GtkToggleButton * toggle,CallbackData * data)156 align_cell_toggled (GtkToggleButton *toggle,
157 CallbackData *data)
158 {
159 gboolean active = gtk_toggle_button_get_active (toggle);
160
161 gtk_cell_area_cell_set (data->area, data->renderer, "align", active, NULL);
162 }
163
164 static void
expand_cell_toggled(GtkToggleButton * toggle,CallbackData * data)165 expand_cell_toggled (GtkToggleButton *toggle,
166 CallbackData *data)
167 {
168 gboolean active = gtk_toggle_button_get_active (toggle);
169
170 gtk_cell_area_cell_set (data->area, data->renderer, "expand", active, NULL);
171 }
172
173 static void
fixed_cell_toggled(GtkToggleButton * toggle,CallbackData * data)174 fixed_cell_toggled (GtkToggleButton *toggle,
175 CallbackData *data)
176 {
177 gboolean active = gtk_toggle_button_get_active (toggle);
178
179 gtk_cell_area_cell_set (data->area, data->renderer, "fixed-size", active, NULL);
180 }
181
182 enum {
183 CNTL_EXPAND,
184 CNTL_ALIGN,
185 CNTL_FIXED
186 };
187
188 static void
create_control(GtkWidget * box,gint number,gint cntl,CallbackData * data)189 create_control (GtkWidget *box, gint number, gint cntl, CallbackData *data)
190 {
191 GtkWidget *checkbutton;
192 GCallback callback = NULL;
193 gchar *name = NULL;
194
195 switch (cntl)
196 {
197 case CNTL_EXPAND:
198 name = g_strdup_printf ("Expand Cell #%d", number);
199 callback = G_CALLBACK (expand_cell_toggled);
200 break;
201 case CNTL_ALIGN:
202 name = g_strdup_printf ("Align Cell #%d", number);
203 callback = G_CALLBACK (align_cell_toggled);
204 break;
205 case CNTL_FIXED:
206 name = g_strdup_printf ("Fix size Cell #%d", number);
207 callback = G_CALLBACK (fixed_cell_toggled);
208 break;
209 }
210
211 checkbutton = gtk_check_button_new_with_label (name);
212 gtk_widget_show (checkbutton);
213 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), cntl == CNTL_FIXED);
214 gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE, 0);
215
216 g_signal_connect (G_OBJECT (checkbutton), "toggled", callback, data);
217 g_free (name);
218 }
219
220 gint
main(gint argc,gchar ** argv)221 main (gint argc, gchar **argv)
222 {
223 GtkWidget *window;
224 GtkWidget *scrolled_window;
225 GtkWidget *tree_view;
226 GtkWidget *vbox, *hbox, *cntl_vbox;
227 GtkTreeModel *tree_model;
228 GtkCellRenderer *renderer;
229 GtkTreeViewColumn *column;
230 GtkCellArea *area;
231 CallbackData callback[4];
232
233 gtk_init (&argc, &argv);
234
235 if (g_getenv ("RTL"))
236 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
237
238 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
239 gtk_window_set_title (GTK_WINDOW (window), "GtkTreeView editing sample");
240 g_signal_connect (window, "destroy", gtk_main_quit, NULL);
241
242 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
243 gtk_widget_show (vbox);
244 gtk_container_add (GTK_CONTAINER (window), vbox);
245
246 scrolled_window = gtk_scrolled_window_new (NULL, NULL);
247 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window), GTK_SHADOW_ETCHED_IN);
248 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
249 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
250 gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
251
252 tree_model = create_model ();
253 tree_view = gtk_tree_view_new_with_model (tree_model);
254 g_signal_connect (tree_view, "button_press_event", G_CALLBACK (button_press_event), NULL);
255 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), TRUE);
256
257 column = gtk_tree_view_column_new ();
258 gtk_tree_view_column_set_title (column, "String");
259 area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
260
261 renderer = gtk_cell_renderer_pixbuf_new ();
262 gtk_tree_view_column_pack_start (column, renderer, FALSE);
263 gtk_tree_view_column_set_attributes (column, renderer,
264 "icon-name", ICON_NAME_COLUMN,
265 "sensitive", IS_SENSITIVE_COLUMN,
266 NULL);
267 callback[0].area = area;
268 callback[0].renderer = renderer;
269
270 renderer = gtk_cell_renderer_text_new ();
271 gtk_tree_view_column_pack_start (column, renderer, FALSE);
272 gtk_tree_view_column_set_attributes (column, renderer,
273 "text", STRING_COLUMN,
274 "editable", IS_EDITABLE_COLUMN,
275 "sensitive", IS_SENSITIVE_COLUMN,
276 NULL);
277 callback[1].area = area;
278 callback[1].renderer = renderer;
279 g_signal_connect (renderer, "edited",
280 G_CALLBACK (edited), tree_model);
281 g_object_set (renderer,
282 "placeholder-text", "Type here",
283 NULL);
284
285 renderer = gtk_cell_renderer_text_new ();
286 gtk_tree_view_column_pack_start (column, renderer, FALSE);
287 gtk_tree_view_column_set_attributes (column, renderer,
288 "text", STRING_COLUMN,
289 "editable", IS_EDITABLE_COLUMN,
290 "sensitive", IS_SENSITIVE_COLUMN,
291 NULL);
292 callback[2].area = area;
293 callback[2].renderer = renderer;
294 g_signal_connect (renderer, "edited",
295 G_CALLBACK (edited), tree_model);
296 g_object_set (renderer,
297 "placeholder-text", "Type here too",
298 NULL);
299
300 renderer = gtk_cell_renderer_pixbuf_new ();
301 g_object_set (renderer,
302 "xalign", 0.0,
303 NULL);
304 gtk_tree_view_column_pack_start (column, renderer, FALSE);
305 gtk_tree_view_column_set_attributes (column, renderer,
306 "icon-name", LAST_ICON_NAME_COLUMN,
307 "sensitive", IS_SENSITIVE_COLUMN,
308 NULL);
309 callback[3].area = area;
310 callback[3].renderer = renderer;
311
312 gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
313
314 renderer = gtk_cell_renderer_toggle_new ();
315 g_signal_connect (renderer, "toggled",
316 G_CALLBACK (editable_toggled), tree_model);
317
318 g_object_set (renderer,
319 "xalign", 0.0,
320 NULL);
321 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
322 -1, "Editable",
323 renderer,
324 "active", IS_EDITABLE_COLUMN,
325 NULL);
326
327 renderer = gtk_cell_renderer_toggle_new ();
328 g_signal_connect (renderer, "toggled",
329 G_CALLBACK (sensitive_toggled), tree_model);
330
331 g_object_set (renderer,
332 "xalign", 0.0,
333 NULL);
334 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
335 -1, "Sensitive",
336 renderer,
337 "active", IS_SENSITIVE_COLUMN,
338 NULL);
339
340 renderer = gtk_cell_renderer_progress_new ();
341 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
342 -1, "Progress",
343 renderer,
344 "value", PROGRESS_COLUMN,
345 NULL);
346
347 gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);
348
349 gtk_window_set_default_size (GTK_WINDOW (window),
350 800, 250);
351
352 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
353 gtk_widget_show (hbox);
354 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
355
356 /* Alignment controls */
357 cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
358 gtk_widget_show (cntl_vbox);
359 gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
360
361 create_control (cntl_vbox, 1, CNTL_ALIGN, &callback[0]);
362 create_control (cntl_vbox, 2, CNTL_ALIGN, &callback[1]);
363 create_control (cntl_vbox, 3, CNTL_ALIGN, &callback[2]);
364 create_control (cntl_vbox, 4, CNTL_ALIGN, &callback[3]);
365
366 /* Expand controls */
367 cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
368 gtk_widget_show (cntl_vbox);
369 gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
370
371 create_control (cntl_vbox, 1, CNTL_EXPAND, &callback[0]);
372 create_control (cntl_vbox, 2, CNTL_EXPAND, &callback[1]);
373 create_control (cntl_vbox, 3, CNTL_EXPAND, &callback[2]);
374 create_control (cntl_vbox, 4, CNTL_EXPAND, &callback[3]);
375
376 /* Fixed controls */
377 cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
378 gtk_widget_show (cntl_vbox);
379 gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
380
381 create_control (cntl_vbox, 1, CNTL_FIXED, &callback[0]);
382 create_control (cntl_vbox, 2, CNTL_FIXED, &callback[1]);
383 create_control (cntl_vbox, 3, CNTL_FIXED, &callback[2]);
384 create_control (cntl_vbox, 4, CNTL_FIXED, &callback[3]);
385
386 gtk_widget_show_all (window);
387 gtk_main ();
388
389 return 0;
390 }
391