give the panes more control over expander title
[geeqie.git] / src / bar.c
1 /*
2  * Geeqie
3  * (C) 2004 John Ellis
4  * Copyright (C) 2008 - 2009 The Geeqie Team
5  *
6  * Author: Vladimir Nadvornik
7  *
8  * This software is released under the GNU General Public License (GNU GPL).
9  * Please read the included file COPYING for more information.
10  * This software comes with no warranty of any kind, use at your own risk!
11  */
12
13
14 #include "main.h"
15 #include "bar.h"
16
17 #include "filedata.h"
18 #include "history_list.h"
19 #include "metadata.h"
20 #include "misc.h"
21 #include "ui_fileops.h"
22 #include "ui_misc.h"
23 #include "ui_utildlg.h"
24
25 #include "ui_menu.h"
26 #include "bar_comment.h"
27 #include "bar_keywords.h"
28 #include "bar_exif.h"
29 #include "bar_histogram.h"
30 #include "histogram.h"
31 #include "rcfile.h"
32
33 #define BAR_SIZE_INCREMENT 48
34 #define BAR_ARROW_SIZE 7
35
36
37 typedef struct _BarData BarData;
38 struct _BarData
39 {
40         GtkWidget *widget;
41         GtkWidget *vbox;
42         FileData *fd;
43         GtkWidget *label_file_name;
44
45         GList *(*list_func)(gpointer);
46         gpointer list_data;
47         gint width;
48 };
49
50 static void bar_expander_move(GtkWidget *widget, gpointer data, gboolean up)
51 {
52         GtkWidget *expander = data;
53         GtkWidget *box;
54         gint pos;
55         if (!expander) return;
56         box = gtk_widget_get_ancestor(expander, GTK_TYPE_BOX);
57         if (!box) return;
58         
59         gtk_container_child_get(GTK_CONTAINER(box), expander, "position", &pos, NULL);
60         
61         pos = up ? (pos - 1) : (pos + 1);
62         if (pos < 0) pos = 0;
63         
64         gtk_box_reorder_child(GTK_BOX(box), expander, pos);
65 }
66
67
68 static void bar_expander_move_up_cb(GtkWidget *widget, gpointer data)
69 {
70         bar_expander_move(widget, data, TRUE);
71 }
72
73 static void bar_expander_move_down_cb(GtkWidget *widget, gpointer data)
74 {
75         bar_expander_move(widget, data, FALSE);
76 }
77
78
79 static void bar_expander_menu_popup(GtkWidget *data)
80 {
81         GtkWidget *menu;
82
83         menu = popup_menu_short_lived();
84
85         menu_item_add_stock(menu, _("Move _up"), GTK_STOCK_GO_UP, G_CALLBACK(bar_expander_move_up_cb), data);
86         menu_item_add_stock(menu, _("Move _down"), GTK_STOCK_GO_DOWN, G_CALLBACK(bar_expander_move_down_cb), data);
87         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, data, 0, GDK_CURRENT_TIME);
88 }
89
90
91 static gboolean bar_expander_menu_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data) 
92
93         if (bevent->button == MOUSE_BUTTON_RIGHT)
94                 {
95                 bar_expander_menu_popup(widget);
96                 return TRUE;
97                 }
98         return FALSE;
99
100
101
102 void bar_pane_set_fd_cb(GtkWidget *expander, gpointer data)
103 {
104         GtkWidget *widget = gtk_bin_get_child(GTK_BIN(expander));
105         PaneData *pd = g_object_get_data(G_OBJECT(widget), "pane_data");
106         if (!pd) return;
107         if (pd->pane_set_fd) pd->pane_set_fd(widget, data);
108 }
109
110 void bar_set_fd(GtkWidget *bar, FileData *fd)
111 {
112         BarData *bd;
113         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
114         if (!bd) return;
115
116         file_data_unref(bd->fd);
117         bd->fd = file_data_ref(fd);
118
119         gtk_container_foreach(GTK_CONTAINER(bd->vbox), bar_pane_set_fd_cb, fd);
120         
121         gtk_label_set_text(GTK_LABEL(bd->label_file_name), (bd->fd) ? bd->fd->name : "");
122
123 }
124
125 gint bar_event(GtkWidget *bar, GdkEvent *event)
126 {
127         BarData *bd;
128         GList *list, *work;
129         gint ret = FALSE;
130         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
131         if (!bd) return FALSE;
132
133         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
134         
135         work = list;
136         while (work)
137                 {
138                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(work->data));
139                 PaneData *pd = g_object_get_data(G_OBJECT(widget), "pane_data");
140                 if (!pd) continue;
141         
142                 if (pd->pane_event && pd->pane_event(widget, event))
143                         {
144                         ret = TRUE;
145                         break;
146                         }
147                 work = work->next;
148                 }
149         g_list_free(list);
150         return ret;
151 }
152
153 void bar_write_config(GtkWidget *bar, GString *outstr, gint indent)
154 {
155         BarData *bd;
156         GList *list, *work;
157         if (!bar) return;
158         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
159         if (!bd) return;
160
161         WRITE_STRING("<bar\n");
162         indent++;
163         write_bool_option(outstr, indent, "enabled", GTK_WIDGET_VISIBLE(bar));
164         write_uint_option(outstr, indent, "width", bd->width);
165         indent--;
166         WRITE_STRING(">\n");
167
168         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));     
169         work = list;
170         while (work)
171                 {
172                 GtkWidget *expander = work->data;
173                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(expander));
174                 PaneData *pd = g_object_get_data(G_OBJECT(widget), "pane_data");
175                 if (!pd) continue;
176
177                 pd->expanded = gtk_expander_get_expanded(GTK_EXPANDER(expander));
178
179                 if (pd->pane_write_config)
180                         pd->pane_write_config(widget, outstr, indent + 1);
181
182                 work = work->next;
183                 }
184         g_list_free(list);
185
186         WRITE_STRING("</bar>\n");
187 }
188
189
190 void bar_pane_set_selection_func(GtkWidget *pane, GList *(*list_func)(gpointer data), gpointer data)
191 {
192         PaneData *pd;
193
194         pd = g_object_get_data(G_OBJECT(pane), "pane_data");
195         if (!pd) return;
196
197         pd->list_func = list_func;
198         pd->list_data = data;
199 }
200
201 void bar_set_selection_func(GtkWidget *bar, GList *(*list_func)(gpointer data), gpointer data)
202 {
203         BarData *bd;
204         GList *list, *work;
205         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
206         if (!bd) return;
207
208         bd->list_func = list_func;
209         bd->list_data = data;
210
211         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
212         
213         work = list;
214         while (work)
215                 {
216                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(work->data));
217                 
218                 bar_pane_set_selection_func(widget, list_func, data);
219         
220                 work = work->next;
221                 }
222         g_list_free(list);
223         return;
224 }
225
226
227
228
229
230 void bar_add(GtkWidget *bar, GtkWidget *pane)
231 {
232         GtkWidget *expander;
233         BarData *bd = g_object_get_data(G_OBJECT(bar), "bar_data");
234         PaneData *pd = g_object_get_data(G_OBJECT(pane), "pane_data");
235
236         
237         if (!bd) return;
238
239         expander = gtk_expander_new(pd ? pd->title : "");
240         if (pd && pd->title)
241                 {
242                 gtk_expander_set_label_widget(GTK_EXPANDER(expander), pd->title);
243                 gtk_widget_show(pd->title);
244                 pref_label_bold(pd->title, TRUE, FALSE);
245                 }
246                 
247         gtk_box_pack_start(GTK_BOX(bd->vbox), expander, FALSE, TRUE, 0);
248         
249         g_signal_connect(expander, "button_press_event", G_CALLBACK(bar_expander_menu_cb), bd); 
250         
251         gtk_container_add(GTK_CONTAINER(expander), pane);
252         
253         gtk_expander_set_expanded(GTK_EXPANDER(expander), pd->expanded);
254
255         gtk_widget_show(expander);
256
257         if (bd->list_func) bar_pane_set_selection_func(pane, bd->list_func, bd->list_data);
258         if (bd->fd && pd && pd->pane_set_fd) pd->pane_set_fd(pane, bd->fd);
259
260 }
261
262 static void bar_populate_default(GtkWidget *bar)
263 {
264         GtkWidget *widget;
265         widget = bar_pane_histogram_new(_("Histogram"), 80, TRUE, HCHAN_RGB, 0);
266         bar_add(bar, widget);
267
268         widget = bar_pane_comment_new(_("Title"), "Xmp.dc.title", TRUE, 40);
269         bar_add(bar, widget);
270
271         widget = bar_pane_keywords_new(_("Keywords"), KEYWORD_KEY, TRUE);
272         bar_add(bar, widget);
273
274         widget = bar_pane_comment_new(_("Comment"), "Xmp.dc.description", TRUE, 150);
275         bar_add(bar, widget);
276
277         widget = bar_pane_exif_new(_("Exif"), TRUE);
278         bar_add(bar, widget);
279 }
280
281 static void bar_sized(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
282 {
283         BarData *bd = data;
284         bd->width = allocation->width;
285 }
286
287
288 static void bar_width(BarData *bd, gint val)
289 {
290         gint size;
291
292         size = bd->widget->allocation.width;
293         size = CLAMP(size + val, BAR_SIZE_INCREMENT * 2, BAR_SIZE_INCREMENT * 16);
294
295         gtk_widget_set_size_request(bd->widget, size, -1);
296 }
297
298 static void bar_larger(GtkWidget *widget, gpointer data)
299 {
300         BarData *bd = data;
301
302         bar_width(bd, BAR_SIZE_INCREMENT);
303 }
304
305 static void bar_smaller(GtkWidget *widget, gpointer data)
306 {
307         BarData *bd = data;
308
309         bar_width(bd, -BAR_SIZE_INCREMENT);
310 }
311
312 void bar_close(GtkWidget *bar)
313 {
314         BarData *bd;
315
316         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
317         if (!bd) return;
318
319         gtk_widget_destroy(bd->widget);
320 }
321
322 static void bar_destroy(GtkWidget *widget, gpointer data)
323 {
324         BarData *bd = data;
325
326         file_data_unref(bd->fd);
327         g_free(bd);
328 }
329
330 GtkWidget *bar_new(GtkWidget *bounding_widget)
331 {
332         BarData *bd;
333         GtkWidget *box;
334         GtkWidget *sizer;
335         GtkWidget *label;
336         GtkWidget *button;
337         GtkWidget *arrow;
338         GtkWidget *scrolled;
339
340         bd = g_new0(BarData, 1);
341
342         bd->widget = gtk_vbox_new(FALSE, PREF_PAD_GAP);
343         g_object_set_data(G_OBJECT(bd->widget), "bar_data", bd);
344         g_signal_connect(G_OBJECT(bd->widget), "destroy",
345                          G_CALLBACK(bar_destroy), bd);
346
347         g_signal_connect(G_OBJECT(bd->widget), "size_allocate",
348                          G_CALLBACK(bar_sized), bd);
349
350         bd->width = PANEL_DEFAULT_WIDTH;
351         gtk_widget_set_size_request(bd->widget, bd->width, -1);
352
353         box = gtk_hbox_new(FALSE, 0);
354
355         sizer = sizer_new(bd->widget, bounding_widget, SIZER_POS_LEFT);
356         sizer_set_limits(sizer, BAR_SIZE_INCREMENT * 2, -1, -1 , -1);
357         gtk_box_pack_start(GTK_BOX(box), sizer, FALSE, FALSE, 0);
358         gtk_widget_show(sizer);
359
360         label = gtk_label_new(_("Filename:"));
361         gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.0);
362         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
363         gtk_widget_show(label);
364
365         bd->label_file_name = gtk_label_new("");
366         pref_label_bold(bd->label_file_name, TRUE, FALSE);
367         gtk_misc_set_alignment(GTK_MISC(bd->label_file_name), 0.0, 0.0);
368         gtk_box_pack_start(GTK_BOX(box), bd->label_file_name, TRUE, TRUE, 0);
369         gtk_widget_show(bd->label_file_name);
370
371         button = gtk_button_new();
372         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
373         g_signal_connect(G_OBJECT(button), "clicked",
374                          G_CALLBACK(bar_smaller), bd);
375         gtk_box_pack_end(GTK_BOX(box), button, FALSE, FALSE, 0);
376         arrow = gtk_arrow_new(GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
377         gtk_widget_set_size_request(arrow, BAR_ARROW_SIZE, BAR_ARROW_SIZE);
378         gtk_container_add(GTK_CONTAINER(button), arrow);
379         gtk_widget_show(arrow);
380         gtk_widget_show(button);
381
382         button = gtk_button_new();
383         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
384         g_signal_connect(G_OBJECT(button), "clicked",
385                          G_CALLBACK(bar_larger), bd);
386         gtk_box_pack_end(GTK_BOX(box), button, FALSE, FALSE, 0);
387         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
388         gtk_widget_set_size_request(arrow, BAR_ARROW_SIZE, BAR_ARROW_SIZE);
389         gtk_container_add(GTK_CONTAINER(button), arrow);
390         gtk_widget_show(arrow);
391         gtk_widget_show(button);
392
393         gtk_box_pack_start(GTK_BOX(bd->widget), box, FALSE, FALSE, 0);
394         gtk_widget_show(box);
395
396         scrolled = gtk_scrolled_window_new(NULL, NULL);
397         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
398                 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
399         gtk_box_pack_start(GTK_BOX(bd->widget), scrolled, TRUE, TRUE, 0);
400         gtk_widget_show(scrolled);
401
402
403         bd->vbox = gtk_vbox_new(FALSE, 0);
404         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled), bd->vbox);
405         gtk_viewport_set_shadow_type(GTK_VIEWPORT(gtk_bin_get_child(GTK_BIN(scrolled))), GTK_SHADOW_NONE);
406         
407         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_NONE);
408         gtk_widget_show(bd->vbox);
409         return bd->widget;
410 }
411
412 GtkWidget *bar_new_default(GtkWidget *bounding_widget)
413 {
414         GtkWidget *bar = bar_new(bounding_widget);
415         
416         bar_populate_default(bar);
417         
418         gtk_widget_show(bar);
419         
420         return bar;
421 }
422
423 GtkWidget *bar_new_from_config(GtkWidget *bounding_widget, const gchar **attribute_names, const gchar **attribute_values)
424 {
425         GtkWidget *bar = bar_new(bounding_widget);
426         
427         gboolean enabled = TRUE;
428         gint width = PANEL_DEFAULT_WIDTH;
429
430         while (*attribute_names)
431                 {
432                 const gchar *option = *attribute_names++;
433                 const gchar *value = *attribute_values++;
434
435                 if (READ_BOOL_FULL("enabled", enabled)) continue;
436                 if (READ_INT_FULL("width", width)) continue;
437                 
438
439                 DEBUG_1("unknown attribute %s = %s", option, value);
440                 }
441         
442         gtk_widget_set_size_request(bar, width, -1);
443         if (enabled) gtk_widget_show(bar);
444         return bar;
445 }
446
447
448 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */