e3c0c29f37ee1d5147e0d925933108b16875df09
[geeqie.git] / src / ui_misc.c
1 /*
2  * (SLIK) SimpLIstic sKin functions
3  * (C) 2004 John Ellis
4  *
5  * Author: John Ellis
6  *
7  * This software is released under the GNU General Public License (GNU GPL).
8  * Please read the included file COPYING for more information.
9  * This software comes with no warranty of any kind, use at your own risk!
10  */
11
12 #ifdef HAVE_CONFIG_H
13 #  include "config.h"
14 #endif
15 #include "intl.h"
16
17 #include <stdio.h>
18 #include <stdlib.h>
19 #include <string.h>
20
21 #include <gtk/gtk.h>
22 #include <gdk/gdkkeysyms.h>
23
24 #include "ui_misc.h"
25
26 #include "ui_bookmark.h"
27
28
29 /*
30  *-----------------------------------------------------------------------------
31  * widget and layout utilities
32  *-----------------------------------------------------------------------------
33  */
34
35 GtkWidget *pref_box_new(GtkWidget *parent_box, gint fill,
36                         GtkOrientation orientation, gint padding)
37 {
38         GtkWidget *box;
39
40         if (orientation == GTK_ORIENTATION_HORIZONTAL)
41                 {
42                 box = gtk_hbox_new(FALSE, padding);
43                 }
44         else
45                 {
46                 box = gtk_vbox_new(FALSE, padding);
47                 }
48
49         gtk_box_pack_start(GTK_BOX(parent_box), box, fill, fill, 0);
50         gtk_widget_show(box);
51
52         return box;
53 }
54
55 GtkWidget *pref_group_new(GtkWidget *parent_box, gint fill,
56                           const gchar *text, GtkOrientation orientation)
57 {
58         GtkWidget *box;
59         GtkWidget *vbox;
60         GtkWidget *hbox;
61         GtkWidget *label;
62
63         vbox = gtk_vbox_new(FALSE, PREF_PAD_GAP);
64
65         /* add additional spacing if necessary */
66         if (GTK_IS_VBOX(parent_box) && GTK_BOX(parent_box)->children != NULL)
67                 {
68                 pref_spacer(vbox, PREF_PAD_GROUP - PREF_PAD_GAP);
69                 }
70
71         gtk_box_pack_start(GTK_BOX(parent_box), vbox, fill, fill, 0);
72         gtk_widget_show(vbox);
73
74         label = gtk_label_new(text);
75         gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
76         pref_label_bold(label, TRUE, FALSE);
77
78         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
79         gtk_widget_show(label);
80
81         hbox = gtk_hbox_new(FALSE, PREF_PAD_INDENT);
82         gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
83         gtk_widget_show(hbox);
84
85         /* indent using empty box */
86         pref_spacer(hbox, 0);
87
88         if (orientation == GTK_ORIENTATION_HORIZONTAL)
89                 {
90                 box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
91                 }
92         else
93                 {
94                 box = gtk_vbox_new(FALSE, PREF_PAD_GAP);
95                 }
96         gtk_box_pack_start(GTK_BOX(hbox), box, TRUE, TRUE, 0);
97         gtk_widget_show(box);
98
99         g_object_set_data(G_OBJECT(box), "pref_group", vbox);
100
101         return box;
102 }
103
104 GtkWidget *pref_group_parent(GtkWidget *child)
105 {
106         GtkWidget *parent;
107
108         parent = child;
109         while (parent)
110                 {
111                 GtkWidget *group;
112
113                 group = g_object_get_data(G_OBJECT(parent), "pref_group");
114                 if (group && GTK_IS_WIDGET(group)) return group;
115
116                 parent = gtk_widget_get_parent(parent);
117                 }
118
119         return child;
120 }
121
122 GtkWidget *pref_frame_new(GtkWidget *parent_box, gint fill,
123                           const gchar *text,
124                           GtkOrientation orientation, gint padding)
125 {
126         GtkWidget *box;
127         GtkWidget *frame = NULL;
128
129         frame = gtk_frame_new(text);
130         gtk_box_pack_start(GTK_BOX(parent_box), frame, fill, fill, 0);
131         gtk_widget_show(frame);
132
133         if (orientation == GTK_ORIENTATION_HORIZONTAL)
134                 {
135                 box = gtk_hbox_new(FALSE, padding);
136                 }
137         else
138                 {
139                 box = gtk_vbox_new(FALSE, padding);
140                 }
141         gtk_container_add(GTK_CONTAINER(frame), box);
142         gtk_container_set_border_width(GTK_CONTAINER(box), PREF_PAD_BORDER);
143         gtk_widget_show(box);
144
145         return box;
146 }
147
148 GtkWidget *pref_spacer(GtkWidget *parent_box, gint padding)
149 {
150         GtkWidget *spacer;
151
152         spacer = gtk_hbox_new(FALSE, 0);
153         gtk_box_pack_start(GTK_BOX(parent_box), spacer, FALSE, FALSE, padding / 2);
154         gtk_widget_show(spacer);
155
156         return spacer;
157 }
158
159 GtkWidget *pref_line(GtkWidget *parent_box, gint padding)
160 {
161         GtkWidget *spacer;
162
163         if (GTK_IS_HBOX(parent_box))
164                 {
165                 spacer = gtk_vseparator_new();
166                 }
167         else
168                 {
169                 spacer = gtk_hseparator_new();
170                 }
171
172         gtk_box_pack_start(GTK_BOX(parent_box), spacer, FALSE, FALSE, padding / 2);
173         gtk_widget_show(spacer);
174
175         return spacer;
176 }
177
178 GtkWidget *pref_label_new(GtkWidget *parent_box, const gchar *text)
179 {
180         GtkWidget *label;
181
182         label = gtk_label_new(text);
183         gtk_box_pack_start(GTK_BOX(parent_box), label, FALSE, FALSE, 0);
184         gtk_widget_show(label);
185
186         return label;
187 }
188
189 GtkWidget *pref_label_new_mnemonic(GtkWidget *parent_box, const gchar *text, GtkWidget *widget)
190 {
191         GtkWidget *label;
192
193         label = gtk_label_new_with_mnemonic(text);
194         gtk_label_set_mnemonic_widget(GTK_LABEL(label), widget);
195         gtk_box_pack_start(GTK_BOX(parent_box), label, FALSE, FALSE, 0);
196         gtk_widget_show(label);
197
198         return label;
199 }
200
201 void pref_label_bold(GtkWidget *label, gint bold, gint increase_size)
202 {
203         PangoAttrList *pal;
204         PangoAttribute *pa;
205
206         if (!bold && !increase_size) return;
207
208         pal = pango_attr_list_new();
209
210         if (bold)
211                 {
212                 pa = pango_attr_weight_new(PANGO_WEIGHT_BOLD);
213                 pa->start_index = 0;
214                 pa->end_index = G_MAXINT;
215                 pango_attr_list_insert(pal, pa);
216                 }
217
218         if (increase_size)
219                 {
220                 pa = pango_attr_scale_new(PANGO_SCALE_LARGE);
221                 pa->start_index = 0;
222                 pa->end_index = G_MAXINT;
223                 pango_attr_list_insert(pal, pa);
224                 }
225
226         gtk_label_set_attributes(GTK_LABEL(label), pal);
227         pango_attr_list_unref(pal);
228 }
229
230 GtkWidget *pref_button_new(GtkWidget *parent_box, const gchar *stock_id,
231                            const gchar *text, gint hide_stock_text,
232                            GCallback func, gpointer data)
233 {
234         GtkWidget *button;
235
236         if (stock_id && !text && !hide_stock_text)
237                 {
238                 button = gtk_button_new_from_stock(stock_id);
239                 }
240         else
241                 {
242                 GtkWidget *image = NULL;
243                 GtkWidget *label = NULL;
244
245                 button = gtk_button_new();
246
247                 if (stock_id) image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_BUTTON);
248                 if (text)
249                         {
250                         label = gtk_label_new_with_mnemonic(text);
251                         gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
252                         gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
253                         }
254
255                 if (image && label)
256                         {
257                         GtkWidget *align;
258                         GtkWidget *hbox;
259
260                         hbox = gtk_hbox_new (FALSE, PREF_PAD_BUTTON_ICON_GAP);
261
262                         align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
263                         gtk_container_add(GTK_CONTAINER(button), align);
264                         gtk_widget_show(align);
265
266                         gtk_container_add(GTK_CONTAINER(align), hbox);
267                         gtk_widget_show(hbox);
268
269                         gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
270                         gtk_box_pack_end(GTK_BOX(hbox), label, FALSE, FALSE, 0);
271                         }
272                 else
273                         {
274                         if (image)
275                                 {
276                                 gtk_container_add(GTK_CONTAINER(button), image);
277                                 }
278                         else if (label)
279                                 {
280                                 gtk_container_add(GTK_CONTAINER(button), label);
281                                 }
282                         }
283
284                 if (image) gtk_widget_show(image);
285                 if (label) gtk_widget_show(label);
286                 }
287
288         if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);
289
290         if (parent_box)
291                 {
292                 gtk_box_pack_start(GTK_BOX(parent_box), button, FALSE, FALSE, 0);
293                 gtk_widget_show(button);
294                 }
295
296         return button;
297 }
298
299 static GtkWidget *real_pref_checkbox_new(GtkWidget *parent_box, const gchar *text, gint mnemonic_text,
300                                          gint active, GCallback func, gpointer data)
301 {
302         GtkWidget *button;
303
304         if (mnemonic_text)
305                 {
306                 button = gtk_check_button_new_with_mnemonic(text);
307                 }
308         else
309                 {
310                 button = gtk_check_button_new_with_label(text);
311                 }
312         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), active);
313         if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);
314
315         gtk_box_pack_start(GTK_BOX(parent_box), button, FALSE, FALSE, 0);
316         gtk_widget_show(button);
317
318         return button;
319 }
320
321 GtkWidget *pref_checkbox_new(GtkWidget *parent_box, const gchar *text, gint active,
322                              GCallback func, gpointer data)
323 {
324         return real_pref_checkbox_new(parent_box, text, FALSE, active, func, data);
325 }
326
327 GtkWidget *pref_checkbox_new_mnemonic(GtkWidget *parent_box, const gchar *text, gint active,
328                                       GCallback func, gpointer data)
329 {
330         return real_pref_checkbox_new(parent_box, text, TRUE, active, func, data);
331 }
332
333 static void pref_checkbox_int_cb(GtkWidget *widget, gpointer data)
334 {
335         gint *result = data;
336
337         *result = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
338 }
339
340 GtkWidget *pref_checkbox_new_int(GtkWidget *parent_box, const gchar *text, gint active,
341                                  gint *result)
342 {
343         GtkWidget *button;
344
345         button = pref_checkbox_new(parent_box, text, active,
346                                    G_CALLBACK(pref_checkbox_int_cb), result);
347         *result = active;
348
349         return button;
350 }
351
352 static void pref_checkbox_link_sensitivity_cb(GtkWidget *button, gpointer data)
353 {
354         GtkWidget *widget = data;
355
356         gtk_widget_set_sensitive(widget, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)));
357 }
358
359 void pref_checkbox_link_sensitivity(GtkWidget *button, GtkWidget *widget)
360 {
361         g_signal_connect(G_OBJECT(button), "toggled",
362                          G_CALLBACK(pref_checkbox_link_sensitivity_cb), widget);
363
364         pref_checkbox_link_sensitivity_cb(button, widget);
365 }
366
367 static void pref_checkbox_link_sensitivity_swap_cb(GtkWidget *button, gpointer data)
368 {
369         GtkWidget *widget = data;
370
371         gtk_widget_set_sensitive(widget, !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)));
372 }
373
374 void pref_checkbox_link_sensitivity_swap(GtkWidget *button, GtkWidget *widget)
375 {
376         g_signal_connect(G_OBJECT(button), "toggled",
377                          G_CALLBACK(pref_checkbox_link_sensitivity_swap_cb), widget);
378
379         pref_checkbox_link_sensitivity_swap_cb(button, widget);
380 }
381
382 static GtkWidget *real_pref_radiobutton_new(GtkWidget *parent_box, GtkWidget *sibling,
383                                             const gchar *text, gint mnemonic_text, gint active,
384                                             GCallback func, gpointer data)
385 {
386         GtkWidget *button;
387         GSList* group;
388
389         if (sibling)
390                 {
391                 group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(sibling));
392                 }
393         else
394                 {
395                 group = NULL;
396                 }
397
398         if (mnemonic_text)
399                 {
400                 button = gtk_radio_button_new_with_mnemonic(group, text);
401                 }
402         else
403                 {
404                 button = gtk_radio_button_new_with_label(group, text);
405                 }
406
407         if (active) gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), active);
408         if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);
409
410         gtk_box_pack_start(GTK_BOX(parent_box), button, FALSE, FALSE, 0);
411         gtk_widget_show(button);
412
413         return button;
414 }
415
416 GtkWidget *pref_radiobutton_new(GtkWidget *parent_box, GtkWidget *sibling,
417                                 const gchar *text, gint active,
418                                 GCallback func, gpointer data)
419 {
420         return real_pref_radiobutton_new(parent_box, sibling, text, FALSE, active, func, data);
421 }
422
423 GtkWidget *pref_radiobutton_new_mnemonic(GtkWidget *parent_box, GtkWidget *sibling,
424                                          const gchar *text, gint active,
425                                          GCallback func, gpointer data)
426 {
427         return real_pref_radiobutton_new(parent_box, sibling, text, TRUE, active, func, data);
428 }
429
430 #define PREF_RADIO_VALUE_KEY "pref_radio_value"
431
432 static void pref_radiobutton_int_cb(GtkWidget *widget, gpointer data)
433 {
434         gint *result = data;
435
436         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
437                 {
438                 *result = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), PREF_RADIO_VALUE_KEY));
439                 }
440 }
441
442 GtkWidget *pref_radiobutton_new_int(GtkWidget *parent_box, GtkWidget *sibling,
443                                     const gchar *text, gint active,
444                                     gint *result, gint value,
445                                     GCallback func, gpointer data)
446 {
447         GtkWidget *button;
448
449         button = pref_radiobutton_new(parent_box, sibling, text, active,
450                                       G_CALLBACK(pref_radiobutton_int_cb), result);
451         g_object_set_data(G_OBJECT(button), PREF_RADIO_VALUE_KEY, GINT_TO_POINTER(value));
452         if (active) *result = value;
453
454         return button;
455 }
456
457 static GtkWidget *real_pref_spin_new(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
458                                      gint mnemonic_text,
459                                      gdouble min, gdouble max, gdouble step, gint digits,
460                                      gdouble value,
461                                      GCallback func, gpointer data)
462 {
463         GtkWidget *spin;
464         GtkWidget *box;
465         GtkWidget *label;
466
467         box = pref_box_new(parent_box, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
468
469         spin = gtk_spin_button_new_with_range(min, max, step);
470         gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), digits);
471         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value);
472
473         if (func)
474                 {
475                 g_signal_connect(G_OBJECT(spin), "value_changed", G_CALLBACK(func), data);
476                 }
477
478         if (text)
479                 {
480                 if (mnemonic_text)
481                         {
482                         label = pref_label_new_mnemonic(box, text, spin);
483                         }
484                 else
485                         {
486                         label = pref_label_new(box, text);
487                         }
488                 pref_link_sensitivity(label, spin);
489                 }
490
491         gtk_box_pack_start(GTK_BOX(box), spin, FALSE, FALSE, 0);
492         gtk_widget_show(spin);
493
494         /* perhaps this should only be PREF_PAD_GAP distance from spinbutton ? */
495         if (suffix)
496                 {
497                 label =  pref_label_new(box, suffix);
498                 pref_link_sensitivity(label, spin);
499                 }
500
501         return spin;
502 }
503
504 GtkWidget *pref_spin_new(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
505                          gdouble min, gdouble max, gdouble step, gint digits,
506                          gdouble value,
507                          GCallback func, gpointer data)
508 {
509         return real_pref_spin_new(parent_box, text, suffix, FALSE,
510                                   min, max, step, digits, value, func, data);
511 }
512
513 GtkWidget *pref_spin_new_mnemonic(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
514                                   gdouble min, gdouble max, gdouble step, gint digits,
515                                   gdouble value,
516                                   GCallback func, gpointer data)
517 {
518         return real_pref_spin_new(parent_box, text, suffix, TRUE,
519                                   min, max, step, digits, value, func, data);
520 }
521
522 static void pref_spin_int_cb(GtkWidget *widget, gpointer data)
523 {
524         gint *var = data;
525         *var = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(widget));
526 }
527
528 GtkWidget *pref_spin_new_int(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
529                              gint min, gint max, gint step,
530                              gint value, gint *value_var)
531 {
532         *value_var = value;
533         return pref_spin_new(parent_box, text, suffix,
534                              (gdouble)min, (gdouble)max, (gdouble)step, 0,
535                              value,
536                              G_CALLBACK(pref_spin_int_cb), value_var);
537 }
538
539 #if 0
540 void pref_spin_set_blocking(GtkWidget *spin, gdouble value, gpointer block_data)
541 {
542         g_signal_handlers_block_matched(G_OBJECT(spin), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, block_data);
543         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value);
544         g_signal_handlers_unblock_matched(G_OBJECT(spin), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, block_data);
545 }
546 #endif
547
548 static void pref_link_sensitivity_cb(GtkWidget *watch, GtkStateType prev_state, gpointer data)
549 {
550         GtkWidget *widget = data;
551
552         gtk_widget_set_sensitive(widget, GTK_WIDGET_IS_SENSITIVE(watch));
553 }
554
555 void pref_link_sensitivity(GtkWidget *widget, GtkWidget *watch)
556 {
557         g_signal_connect(G_OBJECT(watch), "state_changed",
558                          G_CALLBACK(pref_link_sensitivity_cb), widget);
559 }
560
561 void pref_signal_block_data(GtkWidget *widget, gpointer data)
562 {
563         g_signal_handlers_block_matched(widget, G_SIGNAL_MATCH_DATA,
564                                         0, 0, NULL, NULL, data);
565 }
566
567 void pref_signal_unblock_data(GtkWidget *widget, gpointer data)
568 {
569         g_signal_handlers_unblock_matched(widget, G_SIGNAL_MATCH_DATA,
570                                           0, 0, NULL, NULL, data);
571 }
572
573 GtkWidget *pref_table_new(GtkWidget *parent_box, gint columns, gint rows,
574                           gint homogenious, gint fill)
575 {
576         GtkWidget *table;
577
578         table = gtk_table_new(rows, columns, homogenious);
579         gtk_table_set_row_spacings(GTK_TABLE(table), PREF_PAD_GAP);
580         gtk_table_set_col_spacings(GTK_TABLE(table), PREF_PAD_SPACE);
581
582         if (parent_box)
583                 {
584                 gtk_box_pack_start(GTK_BOX(parent_box), table, fill, fill, 0);
585                 gtk_widget_show(table);
586                 }
587
588         return table;
589 }
590
591 GtkWidget *pref_table_box(GtkWidget *table, gint column, gint row,
592                           GtkOrientation orientation, const gchar *text)
593 {
594         GtkWidget *box;
595         GtkWidget *shell;
596
597         if (text)
598                 {
599                 shell = gtk_vbox_new(FALSE, 0);
600                 box = pref_group_new(shell, TRUE, text, orientation);
601                 }
602         else
603                 {
604                 if (orientation == GTK_ORIENTATION_HORIZONTAL)
605                         {
606                         box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
607                         }
608                 else
609                         {
610                         box = gtk_vbox_new(FALSE, PREF_PAD_GAP);
611                         }
612                 shell = box;
613                 }
614
615         gtk_table_attach(GTK_TABLE(table), shell, column, column + 1, row, row + 1,
616                          GTK_EXPAND | GTK_FILL, FALSE, 0, 0);
617
618         gtk_widget_show(shell);
619
620         return box;
621 }
622
623 GtkWidget *pref_table_label(GtkWidget *table, gint column, gint row,
624                             const gchar *text, gfloat alignment)
625 {
626         GtkWidget *label;
627         GtkWidget *align;
628
629         align = gtk_alignment_new(alignment, 0.50, 0.0, 0.0);
630         gtk_table_attach(GTK_TABLE(table), align, column, column + 1, row, row + 1,
631                          GTK_FILL, FALSE, 0, 0);
632         gtk_widget_show(align);
633         label = gtk_label_new(text);
634         gtk_container_add(GTK_CONTAINER(align), label);
635         gtk_widget_show(label);
636
637         return label;
638 }
639
640 GtkWidget *pref_table_button(GtkWidget *table, gint column, gint row,
641                              const gchar *stock_id, const gchar *text, gint hide_stock_text,
642                              GCallback func, gpointer data)
643 {
644         GtkWidget *button;
645
646         button = pref_button_new(NULL, stock_id, text, hide_stock_text, func, data);
647         gtk_table_attach(GTK_TABLE(table), button, column, column + 1, row, row + 1,
648                          GTK_FILL, FALSE, 0, 0);
649         gtk_widget_show(button);
650
651         return button;
652 }
653
654 #if 0
655 static GtkWidget *pref_table_checkbox(GtkWidget *table, gint column, gint row,
656                                       const gchar *text, gint active,
657                                       GCallback func, gpointer data)
658 {
659         GtkWidget *button;
660
661         button = gtk_check_button_new_with_label(text);
662         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), active);
663         if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);
664
665         gtk_table_attach(GTK_TABLE(table), button, column, column + 1, row, row + 1,
666                          GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
667         gtk_widget_show(button);
668
669         return button;
670 }
671 #endif
672
673 GtkWidget *pref_table_spin(GtkWidget *table, gint column, gint row,
674                            const gchar *text, const gchar *suffix,
675                            gdouble min, gdouble max, gdouble step, gint digits,
676                            gdouble value,
677                            GCallback func, gpointer data)
678 {
679         GtkWidget *spin;
680         GtkWidget *box;
681         GtkWidget *label;
682
683         spin = gtk_spin_button_new_with_range(min, max, step);
684         gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), digits);
685         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value);
686         if (func)
687                 {
688                 g_signal_connect(G_OBJECT(spin), "value_changed", G_CALLBACK(func), data);
689                 }
690
691         if (text)
692                 {
693                 label = pref_table_label(table, column, row, text, 1.0);
694                 pref_link_sensitivity(label, spin);
695                 column++;
696                 }
697
698         if (suffix)
699                 {
700                 box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
701                 gtk_box_pack_start(GTK_BOX(box), spin, FALSE, FALSE, 0);
702                 gtk_widget_show(spin);
703
704                 label = pref_label_new(box, suffix);
705                 pref_link_sensitivity(label, spin);
706                 }
707         else
708                 {
709                 box = spin;
710                 }
711
712         gtk_table_attach(GTK_TABLE(table), box, column, column + 1, row, row + 1,
713                          GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
714         gtk_widget_show(box);
715
716         return spin;
717 }
718
719 static void pref_toolbar_destroy_cb(GtkWidget *widget, gpointer data)
720 {
721         GtkTooltips *tips = data;
722
723         g_object_unref(G_OBJECT(tips));
724 }
725
726 GtkWidget *pref_toolbar_new(GtkWidget *parent_box, GtkToolbarStyle style)
727 {
728         GtkWidget *tbar;
729         GtkTooltips *tips;
730
731         tbar = gtk_toolbar_new();
732         gtk_toolbar_set_style(GTK_TOOLBAR(tbar), style);
733
734         if (parent_box)
735                 {
736                 gtk_box_pack_start(GTK_BOX(parent_box), tbar, FALSE, FALSE, 0);
737                 gtk_widget_show(tbar);
738                 }
739
740         tips = gtk_tooltips_new();
741         g_object_ref(G_OBJECT(tips));
742         gtk_object_sink(GTK_OBJECT(tips));
743         g_object_set_data(G_OBJECT(tbar), "tooltips", tips);
744         g_signal_connect(G_OBJECT(tbar), "destroy",
745                          G_CALLBACK(pref_toolbar_destroy_cb), tips);
746
747         gtk_tooltips_enable(tips);
748
749         return tbar;
750 }
751
752 GtkWidget *pref_toolbar_button(GtkWidget *toolbar, const gchar *stock_id, const gchar *label,
753                                const gchar *description,
754                                GCallback func, gpointer data)
755 {
756         GtkWidget *item;
757
758         item = GTK_WIDGET(gtk_tool_button_new_from_stock(stock_id));
759         if (label) gtk_tool_button_set_label(GTK_TOOL_BUTTON(item), label);
760
761         if (func) g_signal_connect(item, "clicked", func, data);
762         gtk_container_add(GTK_CONTAINER(toolbar), item);
763         gtk_widget_show(item);
764
765         if (description)
766                 {
767                 GtkTooltips *tips;
768
769                 tips = g_object_get_data(G_OBJECT(toolbar), "tooltips");
770                 gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(item), tips, description, NULL);
771                 }
772
773         return item;
774 }
775
776 GtkWidget *pref_toolbar_spacer(GtkWidget *toolbar)
777 {
778         GtkWidget *item;
779
780         item = GTK_WIDGET(gtk_separator_tool_item_new());
781         gtk_container_add(GTK_CONTAINER(toolbar), item);
782         gtk_widget_show(item);
783
784         return item;
785 }
786
787
788 /*
789  *-----------------------------------------------------------------------------
790  * date selection entry
791  *-----------------------------------------------------------------------------
792  */
793
794 #define DATE_SELECION_KEY "date_selection_data"
795
796
797 typedef struct _DateSelection DateSelection;
798 struct _DateSelection
799 {
800         GtkWidget *box;
801
802         GtkWidget *spin_d;
803         GtkWidget *spin_m;
804         GtkWidget *spin_y;
805
806         GtkWidget *button;
807
808         GtkWidget *window;
809         GtkWidget *calendar;
810 };
811
812
813 static void date_selection_popup_hide(DateSelection *ds)
814 {
815         if (!ds->window) return;
816
817         if (GTK_WIDGET_HAS_GRAB(ds->window))
818                 {
819                 gtk_grab_remove(ds->window);
820                 gdk_keyboard_ungrab(GDK_CURRENT_TIME);
821                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
822                 }
823
824         gtk_widget_hide(ds->window);
825
826         gtk_widget_destroy(ds->window);
827         ds->window = NULL;
828         ds->calendar = NULL;
829
830         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ds->button), FALSE);
831 }
832
833 static gint date_selection_popup_release_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
834 {
835         DateSelection *ds = data;
836
837         date_selection_popup_hide(ds);
838         return TRUE;
839 }
840
841 static gint date_selection_popup_press_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
842 {
843         DateSelection *ds = data;
844         gint x, y;
845         gint w, h;
846         gint xr, yr;
847
848         xr = (gint)event->x_root;
849         yr = (gint)event->y_root;
850
851         gdk_window_get_origin(ds->window->window, &x, &y);
852         gdk_drawable_get_size(ds->window->window, &w, &h);
853
854         if (xr < x || yr < y || xr > x + w || yr > y + h)
855                 {
856                 g_signal_connect(G_OBJECT(ds->window), "button_release_event",
857                                  G_CALLBACK(date_selection_popup_release_cb), ds);
858                 return TRUE;
859                 }
860
861         return FALSE;
862 }
863
864 static void date_selection_popup_sync(DateSelection *ds)
865 {
866         gint day, month, year;
867
868         gtk_calendar_get_date(GTK_CALENDAR(ds->calendar), &year, &month, &day);
869         date_selection_set(ds->box, day, month + 1, year);
870 }
871
872 static gint date_selection_popup_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
873 {
874         DateSelection *ds = data;
875
876         switch (event->keyval)
877                 {
878                 case GDK_Return:
879                 case GDK_KP_Enter:
880                 case GDK_Tab:
881                 case GDK_ISO_Left_Tab:
882                         date_selection_popup_sync(ds);
883                         date_selection_popup_hide(ds);
884                         break;
885                 case GDK_Escape:
886                         date_selection_popup_hide(ds);
887                         break;
888                 default:
889                         break;
890                 }
891
892         return FALSE;
893 }
894
895 static void date_selection_day_cb(GtkWidget *widget, gpointer data)
896 {
897         DateSelection *ds = data;
898
899         date_selection_popup_sync(ds);
900 }
901
902 static void date_selection_doubleclick_cb(GtkWidget *widget, gpointer data)
903 {
904         DateSelection *ds = data;
905
906         date_selection_popup_hide(ds);
907 }
908
909 static void date_selection_popup(DateSelection *ds)
910 {
911         gint x, y;
912         gint wx, wy;
913         gint day, month, year;
914
915         if (ds->window) return;
916
917         ds->window = gtk_window_new(GTK_WINDOW_POPUP);
918         gtk_window_set_resizable(GTK_WINDOW(ds->window), FALSE);
919         g_signal_connect(G_OBJECT(ds->window), "button_press_event",
920                          G_CALLBACK(date_selection_popup_press_cb), ds);
921         g_signal_connect(G_OBJECT(ds->window), "key_press_event",
922                          G_CALLBACK(date_selection_popup_keypress_cb), ds);
923
924         ds->calendar = gtk_calendar_new();
925         gtk_container_add(GTK_CONTAINER(ds->window), ds->calendar);
926         gtk_widget_show(ds->calendar);
927
928         date_selection_get(ds->box, &day, &month, &year);
929         gtk_calendar_select_month(GTK_CALENDAR(ds->calendar), month - 1, year);
930         gtk_calendar_select_day(GTK_CALENDAR(ds->calendar), day);
931
932         g_signal_connect(G_OBJECT(ds->calendar), "day_selected",
933                          G_CALLBACK(date_selection_day_cb), ds);
934         g_signal_connect(G_OBJECT(ds->calendar), "day_selected_double_click",
935                         G_CALLBACK(date_selection_doubleclick_cb), ds);
936
937         gtk_widget_realize(ds->window);
938
939         gdk_window_get_origin(ds->button->window, &wx, &wy);
940
941         x = wx + ds->button->allocation.x + ds->button->allocation.width - ds->window->allocation.width;
942         y = wy + ds->button->allocation.y + ds->button->allocation.height;
943
944         if (y + ds->window->allocation.height > gdk_screen_height())
945                 {
946                 y = wy + ds->button->allocation.y - ds->window->allocation.height;
947                 }
948         if (x < 0) x = 0;
949         if (y < 0) y = 0;
950
951         gtk_window_move(GTK_WINDOW(ds->window), x, y);
952         gtk_widget_show(ds->window);
953
954         gtk_widget_grab_focus(ds->calendar);
955         gdk_pointer_grab(ds->window->window, TRUE,
956                          GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
957                          NULL, NULL, GDK_CURRENT_TIME);
958         gdk_keyboard_grab(ds->window->window, TRUE, GDK_CURRENT_TIME);
959         gtk_grab_add(ds->window);
960
961         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ds->button), TRUE);
962 }
963
964 static void date_selection_button_cb(GtkWidget *widget, gpointer data)
965 {
966         DateSelection *ds = data;
967
968         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ds->button)) == (!ds->window))
969                 {
970                 date_selection_popup(ds);
971                 }
972 }
973
974 static void button_size_allocate_cb(GtkWidget *button, GtkAllocation *allocation, gpointer data)
975 {
976         GtkWidget *spin = data;
977
978         if (allocation->height > spin->requisition.height)
979                 {
980                 GtkAllocation button_allocation;
981
982                 button_allocation = button->allocation;
983                 button_allocation.height = spin->requisition.height;
984                 button_allocation.y = spin->allocation.y +
985                         (spin->allocation.height - spin->requisition.height) / 2;
986                 gtk_widget_size_allocate(button, &button_allocation);
987                 }
988 }
989
990 static void spin_increase(GtkWidget *spin, gint value)
991 {
992         GtkRequisition req;
993
994         gtk_widget_size_request(spin, &req);
995         gtk_widget_set_size_request(spin, req.width + value, -1);
996 }
997
998 static void date_selection_destroy_cb(GtkWidget *widget, gpointer data)
999 {
1000         DateSelection *ds = data;
1001
1002         date_selection_popup_hide(ds);
1003
1004         g_free(ds);
1005 }
1006
1007 GtkWidget *date_selection_new(void)
1008 {
1009         DateSelection *ds;
1010         GtkWidget *arrow;
1011
1012         ds = g_new0(DateSelection, 1);
1013
1014         ds->box = gtk_hbox_new(FALSE, 2);
1015         g_signal_connect(G_OBJECT(ds->box), "destroy",
1016                          G_CALLBACK(date_selection_destroy_cb), ds);
1017
1018         /* FIXME: use option menu with text format of month instead of a spin button */
1019         ds->spin_m = pref_spin_new(ds->box, NULL, NULL, 1, 12, 1, 0, 1, NULL, NULL);
1020         ds->spin_d = pref_spin_new(ds->box, NULL, NULL, 1, 31, 1, 0, 1, NULL, NULL);
1021         ds->spin_y = pref_spin_new(ds->box, NULL, NULL, 1900, 9999, 1, 0, 1900, NULL, NULL);
1022         spin_increase(ds->spin_y, 5);
1023
1024         ds->button = gtk_toggle_button_new();
1025         g_signal_connect(G_OBJECT(ds->button), "size_allocate",
1026                          G_CALLBACK(button_size_allocate_cb), ds->spin_y);
1027
1028         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE);
1029         gtk_container_add(GTK_CONTAINER(ds->button), arrow);
1030         gtk_widget_show(arrow);
1031
1032         gtk_box_pack_start(GTK_BOX(ds->box), ds->button, FALSE, FALSE, 0);
1033         g_signal_connect(G_OBJECT(ds->button), "clicked",
1034                          G_CALLBACK(date_selection_button_cb), ds);
1035         gtk_widget_show(ds->button);
1036
1037         g_object_set_data(G_OBJECT(ds->box), DATE_SELECION_KEY, ds);
1038
1039         return ds->box;
1040 }
1041                                                                                                                         
1042 void date_selection_set(GtkWidget *widget, gint day, gint month, gint year)
1043 {
1044         DateSelection *ds;
1045
1046         ds = g_object_get_data(G_OBJECT(widget), DATE_SELECION_KEY);
1047         if (!ds) return;
1048
1049         gtk_spin_button_set_value(GTK_SPIN_BUTTON(ds->spin_d), (gdouble)day);
1050         gtk_spin_button_set_value(GTK_SPIN_BUTTON(ds->spin_m), (gdouble)month);
1051         gtk_spin_button_set_value(GTK_SPIN_BUTTON(ds->spin_y), (gdouble)year);
1052 }
1053
1054
1055 void date_selection_get(GtkWidget *widget, gint *day, gint *month, gint *year)
1056 {
1057         DateSelection *ds;
1058
1059         ds = g_object_get_data(G_OBJECT(widget), DATE_SELECION_KEY);
1060         if (!ds) return;
1061
1062         if (day) *day = gtk_spin_button_get_value(GTK_SPIN_BUTTON(ds->spin_d));
1063         if (month) *month = gtk_spin_button_get_value(GTK_SPIN_BUTTON(ds->spin_m));
1064         if (year) *year = gtk_spin_button_get_value(GTK_SPIN_BUTTON(ds->spin_y));
1065 }
1066                                                                                                                         
1067 void date_selection_time_set(GtkWidget *widget, time_t t)
1068 {
1069         struct tm *lt;
1070
1071         lt = localtime(&t);
1072         if (!lt) return;
1073
1074         date_selection_set(widget, lt->tm_mday, lt->tm_mon + 1, lt->tm_year + 1900);
1075 }
1076
1077 time_t date_selection_time_get(GtkWidget *widget)
1078 {
1079         struct tm lt;
1080         gint day = 0;
1081         gint month = 0;
1082         gint year = 0;
1083
1084         date_selection_get(widget, &day, &month ,&year);
1085
1086         lt.tm_sec = 0;
1087         lt.tm_min = 0;
1088         lt.tm_hour = 0;
1089         lt.tm_mday = day;
1090         lt.tm_mon = month - 1;
1091         lt.tm_year = year - 1900;
1092         lt.tm_isdst = 0;
1093
1094         return mktime(&lt);
1095 }
1096
1097
1098 /*
1099  *-----------------------------------------------------------------------------
1100  * Sizer, without using a GtkPaned
1101  *-----------------------------------------------------------------------------
1102  */
1103
1104 #define SIZER_DATA_KEY "sizer_data"
1105
1106 typedef struct _SizerData SizerData;
1107 struct _SizerData
1108 {
1109         GtkWidget *sizer;
1110         GtkWidget *parent;
1111         GtkWidget *bounding_widget;
1112         SizerPositionType position;
1113
1114         gint hsize_min;
1115         gint hsize_max;
1116         gint vsize_min;
1117         gint vsize_max;
1118
1119         gint in_drag;
1120         gint press_x;
1121         gint press_y;
1122         gint press_width;
1123         gint press_height;
1124
1125         gint handle_prelit;
1126 };
1127
1128
1129 static gint sizer_default_handle_size(void)
1130 {
1131         gint handle_size = 5;
1132         GtkWidget *paned;
1133         GtkStyle *style;
1134
1135         paned = gtk_hpaned_new();
1136
1137         style = gtk_rc_get_style(paned);
1138         gtk_widget_set_style(paned, style);
1139         gtk_widget_style_get(paned, "handle_size", &handle_size, NULL);
1140
1141         gtk_widget_destroy(paned);
1142
1143         return handle_size;
1144 }
1145
1146 static gint sizer_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1147 {
1148         SizerData *sd = data;
1149         gint x, y;
1150         gint w, h;
1151
1152         if (!sd->in_drag) return FALSE;
1153
1154         x = sd->press_x - bevent->x_root;
1155         y = sd->press_y - bevent->y_root;
1156
1157         w = sd->press_width;
1158         h = sd->press_height;
1159
1160         if (sd->position & SIZER_POS_LEFT)
1161                 {
1162                 w += x;
1163                 }
1164         else if (sd->position & SIZER_POS_RIGHT)
1165                 {
1166                 w -= x;
1167                 }
1168
1169         if (sd->position & SIZER_POS_TOP)
1170                 {
1171                 h += y;
1172                 }
1173         else if (sd->position & SIZER_POS_BOTTOM)
1174                 {
1175                 h -= y;
1176                 }
1177
1178         if (sd->hsize_min >= 0) w = MAX(w, sd->hsize_min);
1179         if (sd->vsize_min >= 0) h = MAX(h, sd->vsize_min);
1180
1181         if (sd->bounding_widget)
1182                 {
1183                 w = CLAMP(w, sd->sizer->allocation.width, sd->bounding_widget->allocation.width);
1184                 h = CLAMP(h, sd->sizer->allocation.height, sd->bounding_widget->allocation.height);
1185                 }
1186         else
1187                 {
1188                 if (w < sd->sizer->allocation.width) w = sd->sizer->allocation.width;
1189                 if (h < sd->sizer->allocation.height) h = sd->sizer->allocation.height;
1190                 }
1191
1192         if (sd->hsize_max >= 0) w = MIN(w, sd->hsize_max);
1193         if (sd->vsize_max >= 0) h = MIN(h, sd->vsize_max);
1194
1195         if (w == sd->parent->allocation.width) w = -1;
1196         if (h == sd->parent->allocation.height) h = -1;
1197
1198         if (w > 0 || h > 0) gtk_widget_set_size_request(sd->parent, w, h);
1199
1200         return TRUE;
1201 }
1202
1203 static gint sizer_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1204 {
1205         SizerData *sd = data;
1206
1207         if (bevent->button != 1) return FALSE;
1208
1209         sd->in_drag = TRUE;
1210         sd->press_x = bevent->x_root;
1211         sd->press_y = bevent->y_root;
1212
1213         sd->press_width = sd->parent->allocation.width;
1214         sd->press_height = sd->parent->allocation.height;
1215
1216         gdk_pointer_grab(sd->sizer->window, FALSE,
1217                          GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
1218                          NULL, NULL, bevent->time);
1219         gtk_grab_add(sd->sizer);
1220
1221         return TRUE;
1222 }
1223
1224 static gint sizer_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1225 {
1226         SizerData *sd = data;
1227
1228         if (bevent->button != 1) return FALSE;
1229
1230         if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(sd->sizer))
1231                 {
1232                 gtk_grab_remove(sd->sizer);
1233                 gdk_pointer_ungrab(bevent->time);
1234                 }
1235
1236         sd->in_drag = FALSE;
1237
1238         return TRUE;
1239 }
1240
1241 static void sizer_set_prelight(SizerData *sd, gint prelit)
1242 {
1243         sd->handle_prelit = prelit;
1244         gtk_widget_queue_draw_area(sd->sizer, 0, 0,
1245                                    sd->sizer->allocation.width, sd->sizer->allocation.height);
1246 }
1247
1248 static gint sizer_enter_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
1249 {
1250         SizerData *sd = data;
1251
1252         sizer_set_prelight(sd, TRUE);
1253         return TRUE;
1254 }
1255
1256 static gint sizer_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
1257 {
1258         SizerData *sd = data;
1259
1260         sizer_set_prelight(sd, FALSE);
1261         return TRUE;
1262 }
1263
1264 static gint sizer_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1265 {
1266         SizerData *sd = data;
1267         GdkRectangle clip;
1268         GtkOrientation orientation;
1269         GtkStateType state;
1270
1271         gdk_region_get_clipbox(event->region, &clip);
1272
1273         if (sd->position & SIZER_POS_LEFT || sd->position & SIZER_POS_RIGHT)
1274                 {
1275                 orientation = GTK_ORIENTATION_VERTICAL;
1276                 }
1277         else
1278                 {
1279                 orientation = GTK_ORIENTATION_HORIZONTAL;
1280                 }
1281
1282         if (sd->handle_prelit)
1283                 {
1284                 state = GTK_STATE_PRELIGHT;
1285                 }
1286         else
1287                 {
1288                 state = widget->state;
1289                 }
1290
1291         gtk_paint_handle(widget->style, widget->window, state,
1292                          GTK_SHADOW_NONE, &clip, widget, "paned",
1293                          0, 0,
1294                          widget->allocation.width, widget->allocation.height,
1295                          orientation);
1296
1297         return TRUE;
1298 }
1299
1300 static void sizer_realize_cb(GtkWidget *widget, gpointer data)
1301 {
1302         SizerData *sd = data;
1303         GdkCursorType n;
1304
1305         n = 0;
1306         if (sd->position & SIZER_POS_TOP || sd->position & SIZER_POS_BOTTOM)
1307                 {
1308                 n = GDK_SB_V_DOUBLE_ARROW;
1309                 }
1310         if (sd->position & SIZER_POS_LEFT || sd->position & SIZER_POS_RIGHT)
1311                 {
1312                 n = (n != 0) ? GDK_FLEUR : GDK_SB_H_DOUBLE_ARROW;
1313                 }
1314
1315         if (n != 0 && widget->window)
1316                 {
1317                 GdkCursor *cursor;
1318                 cursor = gdk_cursor_new(n);
1319                 gdk_window_set_cursor(widget->window, cursor);
1320                 gdk_cursor_unref(cursor);
1321                 }
1322 }
1323
1324 static void sizer_destroy_cb(GtkWidget *widget, gpointer data)
1325 {
1326         SizerData *sd = data;
1327
1328         g_free(sd);
1329 }
1330
1331 GtkWidget *sizer_new(GtkWidget *parent, GtkWidget *bounding_widget,
1332                      SizerPositionType position)
1333 {
1334         SizerData *sd;
1335         gint handle_size;
1336
1337         sd = g_new0(SizerData, 1);
1338
1339         sd->sizer = gtk_event_box_new();
1340         sd->parent = parent;
1341         sd->bounding_widget = bounding_widget;
1342         sd->position = position;
1343         sd->hsize_min = -1;
1344         sd->hsize_max = -1;
1345         sd->vsize_min = -1;
1346         sd->vsize_max = -1;
1347
1348         sd->in_drag = FALSE;
1349         sd->handle_prelit = FALSE;
1350
1351         g_signal_connect(G_OBJECT(sd->sizer), "destroy",
1352                          G_CALLBACK(sizer_destroy_cb), sd);
1353
1354         g_signal_connect(G_OBJECT(sd->sizer), "motion_notify_event",
1355                          G_CALLBACK(sizer_motion_cb), sd);
1356         g_signal_connect(G_OBJECT(sd->sizer), "button_press_event",
1357                          G_CALLBACK(sizer_press_cb), sd);
1358         g_signal_connect(G_OBJECT(sd->sizer), "button_release_event",
1359                          G_CALLBACK(sizer_release_cb), sd);
1360
1361         g_signal_connect(G_OBJECT(sd->sizer), "enter_notify_event",
1362                          G_CALLBACK(sizer_enter_cb), sd);
1363         g_signal_connect(G_OBJECT(sd->sizer), "leave_notify_event",
1364                          G_CALLBACK(sizer_leave_cb), sd);
1365
1366         gtk_widget_set_events(sd->sizer, GDK_POINTER_MOTION_MASK |
1367                                          GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
1368                                          GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
1369
1370         g_signal_connect(sd->sizer, "realize",
1371                          G_CALLBACK(sizer_realize_cb), sd);
1372         g_signal_connect(sd->sizer, "expose_event",
1373                          G_CALLBACK(sizer_expose_cb), sd);
1374
1375         handle_size = sizer_default_handle_size();
1376
1377         gtk_widget_set_size_request(sd->sizer, handle_size, handle_size);
1378 #if 0
1379         /* use this if you add a shadow border to the handle */
1380         gtk_widget_set_size_request(sd->sizer, handle_size + sd->sizer->style->xthickness * 2,
1381                                                handle_size + sd->sizer->style->ythickness * 2);
1382 #endif
1383
1384         g_object_set_data(G_OBJECT(sd->sizer), SIZER_DATA_KEY,sd);
1385
1386         return sd->sizer;
1387 }
1388
1389 void sizer_set_limits(GtkWidget *sizer,
1390                       gint hsize_min, gint hsize_max,
1391                       gint vsize_min, gint vsize_max)
1392 {
1393         SizerData *sd;
1394
1395         sd = g_object_get_data(G_OBJECT(sizer), SIZER_DATA_KEY);
1396         if (!sd) return;
1397
1398         sd->hsize_min = hsize_min;
1399         sd->hsize_max = hsize_max;
1400         sd->vsize_min = vsize_min;
1401         sd->vsize_max = vsize_max;
1402 }
1403
1404
1405 /*
1406  *-----------------------------------------------------------------------------
1407  * storing data in a history list with key,data pairs
1408  *-----------------------------------------------------------------------------
1409  */
1410
1411 #define PREF_LIST_MARKER_INT "[INT]:"
1412 #define PREF_LIST_MARKER_DOUBLE "[DOUBLE]:"
1413 #define PREF_LIST_MARKER_STRING "[STRING]:"
1414
1415 static GList *pref_list_find(const gchar *group, const gchar *token)
1416 {
1417         GList *work;
1418         gint l;
1419
1420         l = strlen(token);
1421
1422         work = history_list_get_by_key(group);
1423         while (work)
1424                 {
1425                 const gchar *text = work->data;
1426
1427                 if (strncmp(text, token, l) == 0) return work;
1428
1429                 work = work->next;
1430                 }
1431
1432         return NULL;
1433 }
1434
1435 static gint pref_list_get(const gchar *group, const gchar *key, const gchar *marker, const gchar **result)
1436 {
1437         gchar *token;
1438         GList *work;
1439         gint ret;
1440
1441         if (!group || !key || !marker)
1442                 {
1443                 *result = NULL;
1444                 return FALSE;
1445                 }
1446
1447         token = g_strconcat(key, marker, NULL);
1448
1449         work = pref_list_find(group, token);
1450         if (work)
1451                 {
1452                 *result = (const gchar *)work->data + strlen(token);
1453                 if (strlen(*result) == 0) *result = NULL;
1454                 ret = TRUE;
1455                 }
1456         else
1457                 {
1458                 *result = NULL;
1459                 ret = FALSE;
1460                 }
1461
1462         g_free(token);
1463
1464         return ret; 
1465 }
1466
1467 static void pref_list_set(const gchar *group, const gchar *key, const gchar *marker, const gchar *text)
1468 {
1469         gchar *token;
1470         gchar *path;
1471         GList *work;
1472
1473         if (!group || !key || !marker) return;
1474
1475         token = g_strconcat(key, marker, NULL);
1476         path = g_strconcat(token, text, NULL);
1477
1478         work = pref_list_find(group, token);
1479         if (work)
1480                 {
1481                 gchar *old_path = work->data;
1482
1483                 if (text)
1484                         {
1485                         work->data = path;
1486                         path = NULL;
1487
1488                         g_free(old_path);
1489                         }
1490                 else
1491                         {
1492                         history_list_item_remove(group, old_path);
1493                         }
1494                 }
1495         else if (text)
1496                 {
1497                 history_list_add_to_key(group, path, 0);
1498                 }
1499
1500         g_free(path);
1501         g_free(token);
1502 }
1503
1504 void pref_list_int_set(const gchar *group, const gchar *key, gint value)
1505 {
1506         gchar *text;
1507
1508         text = g_strdup_printf("%d", value);
1509         pref_list_set(group, key, PREF_LIST_MARKER_INT, text);
1510         g_free(text);
1511 }
1512
1513 gint pref_list_int_get(const gchar *group, const gchar *key, gint *result)
1514 {
1515         const gchar *text;
1516
1517         if (!group || !key)
1518                 {
1519                 *result = 0;
1520                 return FALSE;
1521                 }
1522
1523         if (pref_list_get(group, key, PREF_LIST_MARKER_INT, &text) && text)
1524                 {
1525                 *result = (gint)strtol(text, NULL, 10);
1526                 return TRUE;
1527                 }
1528
1529         *result = 0;
1530         return FALSE;
1531 }
1532
1533 void pref_list_double_set(const gchar *group, const gchar *key, gdouble value)
1534 {
1535         gchar text[G_ASCII_DTOSTR_BUF_SIZE];
1536
1537         g_ascii_dtostr(text, sizeof(text), value);
1538         pref_list_set(group, key, PREF_LIST_MARKER_DOUBLE, text);
1539 }
1540
1541 gint pref_list_double_get(const gchar *group, const gchar *key, gdouble *result)
1542 {
1543         const gchar *text;
1544
1545         if (!group || !key)
1546                 {
1547                 *result = 0;
1548                 return FALSE;
1549                 }
1550
1551         if (pref_list_get(group, key, PREF_LIST_MARKER_DOUBLE, &text) && text)
1552                 {
1553                 *result = g_ascii_strtod(text, NULL);
1554                 return TRUE;
1555                 }
1556
1557         *result = 0;
1558         return FALSE;
1559 }
1560
1561 void pref_list_string_set(const gchar *group, const gchar *key, const gchar *value)
1562 {
1563         pref_list_set(group, key, PREF_LIST_MARKER_STRING, value);
1564 }
1565
1566 gint pref_list_string_get(const gchar *group, const gchar *key, const gchar **result)
1567 {
1568         return pref_list_get(group, key, PREF_LIST_MARKER_STRING, result);
1569 }
1570
1571