38873c8afd107d16c34bd18d4c072bcdd4256433
[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,
753                                const gchar *stock_id, const gchar *label, gint toggle,
754                                const gchar *description,
755                                GCallback func, gpointer data)
756 {
757         GtkWidget *item;
758
759         if (toggle)
760                 {
761                 if (stock_id)
762                         {
763                         item = GTK_WIDGET(gtk_toggle_tool_button_new_from_stock(stock_id));
764                         }
765                 else
766                         {
767                         item = GTK_WIDGET(gtk_toggle_tool_button_new());
768                         }
769                 }
770         else
771                 {
772                 if (stock_id)
773                         {
774                         item = GTK_WIDGET(gtk_tool_button_new_from_stock(stock_id));
775                         }
776                 else
777                         {
778                         item = GTK_WIDGET(gtk_tool_button_new(NULL, NULL));
779                         }
780                 }
781         gtk_tool_button_set_use_underline(GTK_TOOL_BUTTON(item), TRUE);
782
783         if (label) gtk_tool_button_set_label(GTK_TOOL_BUTTON(item), label);
784
785         if (func) g_signal_connect(item, "clicked", func, data);
786         gtk_container_add(GTK_CONTAINER(toolbar), item);
787         gtk_widget_show(item);
788
789         if (description)
790                 {
791                 GtkTooltips *tips;
792
793                 tips = g_object_get_data(G_OBJECT(toolbar), "tooltips");
794                 gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(item), tips, description, NULL);
795                 }
796
797         return item;
798 }
799
800 void pref_toolbar_button_set_icon(GtkWidget *button, GtkWidget *widget, const gchar *stock_id)
801 {
802         if (widget)
803                 {
804                 gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(button), widget);
805                 }
806         else if (stock_id)
807                 {
808                 gtk_tool_button_set_stock_id(GTK_TOOL_BUTTON(button), stock_id);
809                 }
810 }
811
812 GtkWidget *pref_toolbar_spacer(GtkWidget *toolbar)
813 {
814         GtkWidget *item;
815
816         item = GTK_WIDGET(gtk_separator_tool_item_new());
817         gtk_container_add(GTK_CONTAINER(toolbar), item);
818         gtk_widget_show(item);
819
820         return item;
821 }
822
823
824 /*
825  *-----------------------------------------------------------------------------
826  * date selection entry
827  *-----------------------------------------------------------------------------
828  */
829
830 #define DATE_SELECION_KEY "date_selection_data"
831
832
833 typedef struct _DateSelection DateSelection;
834 struct _DateSelection
835 {
836         GtkWidget *box;
837
838         GtkWidget *spin_d;
839         GtkWidget *spin_m;
840         GtkWidget *spin_y;
841
842         GtkWidget *button;
843
844         GtkWidget *window;
845         GtkWidget *calendar;
846 };
847
848
849 static void date_selection_popup_hide(DateSelection *ds)
850 {
851         if (!ds->window) return;
852
853         if (GTK_WIDGET_HAS_GRAB(ds->window))
854                 {
855                 gtk_grab_remove(ds->window);
856                 gdk_keyboard_ungrab(GDK_CURRENT_TIME);
857                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
858                 }
859
860         gtk_widget_hide(ds->window);
861
862         gtk_widget_destroy(ds->window);
863         ds->window = NULL;
864         ds->calendar = NULL;
865
866         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ds->button), FALSE);
867 }
868
869 static gint date_selection_popup_release_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
870 {
871         DateSelection *ds = data;
872
873         date_selection_popup_hide(ds);
874         return TRUE;
875 }
876
877 static gint date_selection_popup_press_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
878 {
879         DateSelection *ds = data;
880         gint x, y;
881         gint w, h;
882         gint xr, yr;
883
884         xr = (gint)event->x_root;
885         yr = (gint)event->y_root;
886
887         gdk_window_get_origin(ds->window->window, &x, &y);
888         gdk_drawable_get_size(ds->window->window, &w, &h);
889
890         if (xr < x || yr < y || xr > x + w || yr > y + h)
891                 {
892                 g_signal_connect(G_OBJECT(ds->window), "button_release_event",
893                                  G_CALLBACK(date_selection_popup_release_cb), ds);
894                 return TRUE;
895                 }
896
897         return FALSE;
898 }
899
900 static void date_selection_popup_sync(DateSelection *ds)
901 {
902         guint day, month, year;
903
904         gtk_calendar_get_date(GTK_CALENDAR(ds->calendar), &year, &month, &day);
905         date_selection_set(ds->box, day, month + 1, year);
906 }
907
908 static gint date_selection_popup_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
909 {
910         DateSelection *ds = data;
911
912         switch (event->keyval)
913                 {
914                 case GDK_Return:
915                 case GDK_KP_Enter:
916                 case GDK_Tab:
917                 case GDK_ISO_Left_Tab:
918                         date_selection_popup_sync(ds);
919                         date_selection_popup_hide(ds);
920                         break;
921                 case GDK_Escape:
922                         date_selection_popup_hide(ds);
923                         break;
924                 default:
925                         break;
926                 }
927
928         return FALSE;
929 }
930
931 static void date_selection_day_cb(GtkWidget *widget, gpointer data)
932 {
933         DateSelection *ds = data;
934
935         date_selection_popup_sync(ds);
936 }
937
938 static void date_selection_doubleclick_cb(GtkWidget *widget, gpointer data)
939 {
940         DateSelection *ds = data;
941
942         date_selection_popup_hide(ds);
943 }
944
945 static void date_selection_popup(DateSelection *ds)
946 {
947         gint x, y;
948         gint wx, wy;
949         gint day, month, year;
950
951         if (ds->window) return;
952
953         ds->window = gtk_window_new(GTK_WINDOW_POPUP);
954         gtk_window_set_resizable(GTK_WINDOW(ds->window), FALSE);
955         g_signal_connect(G_OBJECT(ds->window), "button_press_event",
956                          G_CALLBACK(date_selection_popup_press_cb), ds);
957         g_signal_connect(G_OBJECT(ds->window), "key_press_event",
958                          G_CALLBACK(date_selection_popup_keypress_cb), ds);
959
960         ds->calendar = gtk_calendar_new();
961         gtk_container_add(GTK_CONTAINER(ds->window), ds->calendar);
962         gtk_widget_show(ds->calendar);
963
964         date_selection_get(ds->box, &day, &month, &year);
965         gtk_calendar_select_month(GTK_CALENDAR(ds->calendar), month - 1, year);
966         gtk_calendar_select_day(GTK_CALENDAR(ds->calendar), day);
967
968         g_signal_connect(G_OBJECT(ds->calendar), "day_selected",
969                          G_CALLBACK(date_selection_day_cb), ds);
970         g_signal_connect(G_OBJECT(ds->calendar), "day_selected_double_click",
971                         G_CALLBACK(date_selection_doubleclick_cb), ds);
972
973         gtk_widget_realize(ds->window);
974
975         gdk_window_get_origin(ds->button->window, &wx, &wy);
976
977         x = wx + ds->button->allocation.x + ds->button->allocation.width - ds->window->allocation.width;
978         y = wy + ds->button->allocation.y + ds->button->allocation.height;
979
980         if (y + ds->window->allocation.height > gdk_screen_height())
981                 {
982                 y = wy + ds->button->allocation.y - ds->window->allocation.height;
983                 }
984         if (x < 0) x = 0;
985         if (y < 0) y = 0;
986
987         gtk_window_move(GTK_WINDOW(ds->window), x, y);
988         gtk_widget_show(ds->window);
989
990         gtk_widget_grab_focus(ds->calendar);
991         gdk_pointer_grab(ds->window->window, TRUE,
992                          GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
993                          NULL, NULL, GDK_CURRENT_TIME);
994         gdk_keyboard_grab(ds->window->window, TRUE, GDK_CURRENT_TIME);
995         gtk_grab_add(ds->window);
996
997         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ds->button), TRUE);
998 }
999
1000 static void date_selection_button_cb(GtkWidget *widget, gpointer data)
1001 {
1002         DateSelection *ds = data;
1003
1004         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ds->button)) == (!ds->window))
1005                 {
1006                 date_selection_popup(ds);
1007                 }
1008 }
1009
1010 static void button_size_allocate_cb(GtkWidget *button, GtkAllocation *allocation, gpointer data)
1011 {
1012         GtkWidget *spin = data;
1013
1014         if (allocation->height > spin->requisition.height)
1015                 {
1016                 GtkAllocation button_allocation;
1017
1018                 button_allocation = button->allocation;
1019                 button_allocation.height = spin->requisition.height;
1020                 button_allocation.y = spin->allocation.y +
1021                         (spin->allocation.height - spin->requisition.height) / 2;
1022                 gtk_widget_size_allocate(button, &button_allocation);
1023                 }
1024 }
1025
1026 static void spin_increase(GtkWidget *spin, gint value)
1027 {
1028         GtkRequisition req;
1029
1030         gtk_widget_size_request(spin, &req);
1031         gtk_widget_set_size_request(spin, req.width + value, -1);
1032 }
1033
1034 static void date_selection_destroy_cb(GtkWidget *widget, gpointer data)
1035 {
1036         DateSelection *ds = data;
1037
1038         date_selection_popup_hide(ds);
1039
1040         g_free(ds);
1041 }
1042
1043 GtkWidget *date_selection_new(void)
1044 {
1045         DateSelection *ds;
1046         GtkWidget *arrow;
1047
1048         ds = g_new0(DateSelection, 1);
1049
1050         ds->box = gtk_hbox_new(FALSE, 2);
1051         g_signal_connect(G_OBJECT(ds->box), "destroy",
1052                          G_CALLBACK(date_selection_destroy_cb), ds);
1053
1054         /* FIXME: use option menu with text format of month instead of a spin button */
1055         ds->spin_m = pref_spin_new(ds->box, NULL, NULL, 1, 12, 1, 0, 1, NULL, NULL);
1056         ds->spin_d = pref_spin_new(ds->box, NULL, NULL, 1, 31, 1, 0, 1, NULL, NULL);
1057         ds->spin_y = pref_spin_new(ds->box, NULL, NULL, 1900, 9999, 1, 0, 1900, NULL, NULL);
1058         spin_increase(ds->spin_y, 5);
1059
1060         ds->button = gtk_toggle_button_new();
1061         g_signal_connect(G_OBJECT(ds->button), "size_allocate",
1062                          G_CALLBACK(button_size_allocate_cb), ds->spin_y);
1063
1064         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE);
1065         gtk_container_add(GTK_CONTAINER(ds->button), arrow);
1066         gtk_widget_show(arrow);
1067
1068         gtk_box_pack_start(GTK_BOX(ds->box), ds->button, FALSE, FALSE, 0);
1069         g_signal_connect(G_OBJECT(ds->button), "clicked",
1070                          G_CALLBACK(date_selection_button_cb), ds);
1071         gtk_widget_show(ds->button);
1072
1073         g_object_set_data(G_OBJECT(ds->box), DATE_SELECION_KEY, ds);
1074
1075         return ds->box;
1076 }
1077                                                                                                                         
1078 void date_selection_set(GtkWidget *widget, gint day, gint month, gint year)
1079 {
1080         DateSelection *ds;
1081
1082         ds = g_object_get_data(G_OBJECT(widget), DATE_SELECION_KEY);
1083         if (!ds) return;
1084
1085         gtk_spin_button_set_value(GTK_SPIN_BUTTON(ds->spin_d), (gdouble)day);
1086         gtk_spin_button_set_value(GTK_SPIN_BUTTON(ds->spin_m), (gdouble)month);
1087         gtk_spin_button_set_value(GTK_SPIN_BUTTON(ds->spin_y), (gdouble)year);
1088 }
1089
1090
1091 void date_selection_get(GtkWidget *widget, gint *day, gint *month, gint *year)
1092 {
1093         DateSelection *ds;
1094
1095         ds = g_object_get_data(G_OBJECT(widget), DATE_SELECION_KEY);
1096         if (!ds) return;
1097
1098         if (day) *day = gtk_spin_button_get_value(GTK_SPIN_BUTTON(ds->spin_d));
1099         if (month) *month = gtk_spin_button_get_value(GTK_SPIN_BUTTON(ds->spin_m));
1100         if (year) *year = gtk_spin_button_get_value(GTK_SPIN_BUTTON(ds->spin_y));
1101 }
1102                                                                                                                         
1103 void date_selection_time_set(GtkWidget *widget, time_t t)
1104 {
1105         struct tm *lt;
1106
1107         lt = localtime(&t);
1108         if (!lt) return;
1109
1110         date_selection_set(widget, lt->tm_mday, lt->tm_mon + 1, lt->tm_year + 1900);
1111 }
1112
1113 time_t date_selection_time_get(GtkWidget *widget)
1114 {
1115         struct tm lt;
1116         gint day = 0;
1117         gint month = 0;
1118         gint year = 0;
1119
1120         date_selection_get(widget, &day, &month ,&year);
1121
1122         lt.tm_sec = 0;
1123         lt.tm_min = 0;
1124         lt.tm_hour = 0;
1125         lt.tm_mday = day;
1126         lt.tm_mon = month - 1;
1127         lt.tm_year = year - 1900;
1128         lt.tm_isdst = 0;
1129
1130         return mktime(&lt);
1131 }
1132
1133
1134 /*
1135  *-----------------------------------------------------------------------------
1136  * Sizer, without using a GtkPaned
1137  *-----------------------------------------------------------------------------
1138  */
1139
1140 #define SIZER_DATA_KEY "sizer_data"
1141
1142 typedef struct _SizerData SizerData;
1143 struct _SizerData
1144 {
1145         GtkWidget *sizer;
1146         GtkWidget *parent;
1147         GtkWidget *bounding_widget;
1148         SizerPositionType position;
1149
1150         gint hsize_min;
1151         gint hsize_max;
1152         gint vsize_min;
1153         gint vsize_max;
1154
1155         gint in_drag;
1156         gint press_x;
1157         gint press_y;
1158         gint press_width;
1159         gint press_height;
1160
1161         gint handle_prelit;
1162 };
1163
1164
1165 static gint sizer_default_handle_size(void)
1166 {
1167         gint handle_size = 5;
1168         GtkWidget *paned;
1169         GtkStyle *style;
1170
1171         paned = gtk_hpaned_new();
1172
1173         style = gtk_rc_get_style(paned);
1174         gtk_widget_set_style(paned, style);
1175         gtk_widget_style_get(paned, "handle_size", &handle_size, NULL);
1176
1177         gtk_widget_destroy(paned);
1178
1179         return handle_size;
1180 }
1181
1182 static gint sizer_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1183 {
1184         SizerData *sd = data;
1185         gint x, y;
1186         gint w, h;
1187
1188         if (!sd->in_drag) return FALSE;
1189
1190         x = sd->press_x - bevent->x_root;
1191         y = sd->press_y - bevent->y_root;
1192
1193         w = sd->press_width;
1194         h = sd->press_height;
1195
1196         if (sd->position & SIZER_POS_LEFT)
1197                 {
1198                 w += x;
1199                 }
1200         else if (sd->position & SIZER_POS_RIGHT)
1201                 {
1202                 w -= x;
1203                 }
1204
1205         if (sd->position & SIZER_POS_TOP)
1206                 {
1207                 h += y;
1208                 }
1209         else if (sd->position & SIZER_POS_BOTTOM)
1210                 {
1211                 h -= y;
1212                 }
1213
1214         if (sd->hsize_min >= 0) w = MAX(w, sd->hsize_min);
1215         if (sd->vsize_min >= 0) h = MAX(h, sd->vsize_min);
1216
1217         if (sd->bounding_widget)
1218                 {
1219                 w = CLAMP(w, sd->sizer->allocation.width, sd->bounding_widget->allocation.width);
1220                 h = CLAMP(h, sd->sizer->allocation.height, sd->bounding_widget->allocation.height);
1221                 }
1222         else
1223                 {
1224                 if (w < sd->sizer->allocation.width) w = sd->sizer->allocation.width;
1225                 if (h < sd->sizer->allocation.height) h = sd->sizer->allocation.height;
1226                 }
1227
1228         if (sd->hsize_max >= 0) w = MIN(w, sd->hsize_max);
1229         if (sd->vsize_max >= 0) h = MIN(h, sd->vsize_max);
1230
1231         if (w == sd->parent->allocation.width) w = -1;
1232         if (h == sd->parent->allocation.height) h = -1;
1233
1234         if (w > 0 || h > 0) gtk_widget_set_size_request(sd->parent, w, h);
1235
1236         return TRUE;
1237 }
1238
1239 static gint sizer_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1240 {
1241         SizerData *sd = data;
1242
1243         if (bevent->button != 1) return FALSE;
1244
1245         sd->in_drag = TRUE;
1246         sd->press_x = bevent->x_root;
1247         sd->press_y = bevent->y_root;
1248
1249         sd->press_width = sd->parent->allocation.width;
1250         sd->press_height = sd->parent->allocation.height;
1251
1252         gdk_pointer_grab(sd->sizer->window, FALSE,
1253                          GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
1254                          NULL, NULL, bevent->time);
1255         gtk_grab_add(sd->sizer);
1256
1257         return TRUE;
1258 }
1259
1260 static gint sizer_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1261 {
1262         SizerData *sd = data;
1263
1264         if (bevent->button != 1) return FALSE;
1265
1266         if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(sd->sizer))
1267                 {
1268                 gtk_grab_remove(sd->sizer);
1269                 gdk_pointer_ungrab(bevent->time);
1270                 }
1271
1272         sd->in_drag = FALSE;
1273
1274         return TRUE;
1275 }
1276
1277 static void sizer_set_prelight(SizerData *sd, gint prelit)
1278 {
1279         sd->handle_prelit = prelit;
1280         gtk_widget_queue_draw_area(sd->sizer, 0, 0,
1281                                    sd->sizer->allocation.width, sd->sizer->allocation.height);
1282 }
1283
1284 static gint sizer_enter_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
1285 {
1286         SizerData *sd = data;
1287
1288         sizer_set_prelight(sd, TRUE);
1289         return TRUE;
1290 }
1291
1292 static gint sizer_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
1293 {
1294         SizerData *sd = data;
1295
1296         sizer_set_prelight(sd, FALSE);
1297         return TRUE;
1298 }
1299
1300 static gint sizer_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1301 {
1302         SizerData *sd = data;
1303         GdkRectangle clip;
1304         GtkOrientation orientation;
1305         GtkStateType state;
1306
1307         gdk_region_get_clipbox(event->region, &clip);
1308
1309         if (sd->position & SIZER_POS_LEFT || sd->position & SIZER_POS_RIGHT)
1310                 {
1311                 orientation = GTK_ORIENTATION_VERTICAL;
1312                 }
1313         else
1314                 {
1315                 orientation = GTK_ORIENTATION_HORIZONTAL;
1316                 }
1317
1318         if (sd->handle_prelit)
1319                 {
1320                 state = GTK_STATE_PRELIGHT;
1321                 }
1322         else
1323                 {
1324                 state = widget->state;
1325                 }
1326
1327         gtk_paint_handle(widget->style, widget->window, state,
1328                          GTK_SHADOW_NONE, &clip, widget, "paned",
1329                          0, 0,
1330                          widget->allocation.width, widget->allocation.height,
1331                          orientation);
1332
1333         return TRUE;
1334 }
1335
1336 static void sizer_realize_cb(GtkWidget *widget, gpointer data)
1337 {
1338         SizerData *sd = data;
1339         GdkCursorType n;
1340
1341         n = 0;
1342         if (sd->position & SIZER_POS_TOP || sd->position & SIZER_POS_BOTTOM)
1343                 {
1344                 n = GDK_SB_V_DOUBLE_ARROW;
1345                 }
1346         if (sd->position & SIZER_POS_LEFT || sd->position & SIZER_POS_RIGHT)
1347                 {
1348                 n = (n != 0) ? GDK_FLEUR : GDK_SB_H_DOUBLE_ARROW;
1349                 }
1350
1351         if (n != 0 && widget->window)
1352                 {
1353                 GdkCursor *cursor;
1354                 cursor = gdk_cursor_new(n);
1355                 gdk_window_set_cursor(widget->window, cursor);
1356                 gdk_cursor_unref(cursor);
1357                 }
1358 }
1359
1360 static void sizer_destroy_cb(GtkWidget *widget, gpointer data)
1361 {
1362         SizerData *sd = data;
1363
1364         g_free(sd);
1365 }
1366
1367 GtkWidget *sizer_new(GtkWidget *parent, GtkWidget *bounding_widget,
1368                      SizerPositionType position)
1369 {
1370         SizerData *sd;
1371         gint handle_size;
1372
1373         sd = g_new0(SizerData, 1);
1374
1375         sd->sizer = gtk_event_box_new();
1376         sd->parent = parent;
1377         sd->bounding_widget = bounding_widget;
1378         sd->position = position;
1379         sd->hsize_min = -1;
1380         sd->hsize_max = -1;
1381         sd->vsize_min = -1;
1382         sd->vsize_max = -1;
1383
1384         sd->in_drag = FALSE;
1385         sd->handle_prelit = FALSE;
1386
1387         g_signal_connect(G_OBJECT(sd->sizer), "destroy",
1388                          G_CALLBACK(sizer_destroy_cb), sd);
1389
1390         g_signal_connect(G_OBJECT(sd->sizer), "motion_notify_event",
1391                          G_CALLBACK(sizer_motion_cb), sd);
1392         g_signal_connect(G_OBJECT(sd->sizer), "button_press_event",
1393                          G_CALLBACK(sizer_press_cb), sd);
1394         g_signal_connect(G_OBJECT(sd->sizer), "button_release_event",
1395                          G_CALLBACK(sizer_release_cb), sd);
1396
1397         g_signal_connect(G_OBJECT(sd->sizer), "enter_notify_event",
1398                          G_CALLBACK(sizer_enter_cb), sd);
1399         g_signal_connect(G_OBJECT(sd->sizer), "leave_notify_event",
1400                          G_CALLBACK(sizer_leave_cb), sd);
1401
1402         gtk_widget_set_events(sd->sizer, GDK_POINTER_MOTION_MASK |
1403                                          GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
1404                                          GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
1405
1406         g_signal_connect(sd->sizer, "realize",
1407                          G_CALLBACK(sizer_realize_cb), sd);
1408         g_signal_connect(sd->sizer, "expose_event",
1409                          G_CALLBACK(sizer_expose_cb), sd);
1410
1411         handle_size = sizer_default_handle_size();
1412
1413         gtk_widget_set_size_request(sd->sizer, handle_size, handle_size);
1414 #if 0
1415         /* use this if you add a shadow border to the handle */
1416         gtk_widget_set_size_request(sd->sizer, handle_size + sd->sizer->style->xthickness * 2,
1417                                                handle_size + sd->sizer->style->ythickness * 2);
1418 #endif
1419
1420         g_object_set_data(G_OBJECT(sd->sizer), SIZER_DATA_KEY,sd);
1421
1422         return sd->sizer;
1423 }
1424
1425 void sizer_set_limits(GtkWidget *sizer,
1426                       gint hsize_min, gint hsize_max,
1427                       gint vsize_min, gint vsize_max)
1428 {
1429         SizerData *sd;
1430
1431         sd = g_object_get_data(G_OBJECT(sizer), SIZER_DATA_KEY);
1432         if (!sd) return;
1433
1434         sd->hsize_min = hsize_min;
1435         sd->hsize_max = hsize_max;
1436         sd->vsize_min = vsize_min;
1437         sd->vsize_max = vsize_max;
1438 }
1439
1440
1441 /*
1442  *-----------------------------------------------------------------------------
1443  * storing data in a history list with key,data pairs
1444  *-----------------------------------------------------------------------------
1445  */
1446
1447 #define PREF_LIST_MARKER_INT "[INT]:"
1448 #define PREF_LIST_MARKER_DOUBLE "[DOUBLE]:"
1449 #define PREF_LIST_MARKER_STRING "[STRING]:"
1450
1451 static GList *pref_list_find(const gchar *group, const gchar *token)
1452 {
1453         GList *work;
1454         gint l;
1455
1456         l = strlen(token);
1457
1458         work = history_list_get_by_key(group);
1459         while (work)
1460                 {
1461                 const gchar *text = work->data;
1462
1463                 if (strncmp(text, token, l) == 0) return work;
1464
1465                 work = work->next;
1466                 }
1467
1468         return NULL;
1469 }
1470
1471 static gint pref_list_get(const gchar *group, const gchar *key, const gchar *marker, const gchar **result)
1472 {
1473         gchar *token;
1474         GList *work;
1475         gint ret;
1476
1477         if (!group || !key || !marker)
1478                 {
1479                 *result = NULL;
1480                 return FALSE;
1481                 }
1482
1483         token = g_strconcat(key, marker, NULL);
1484
1485         work = pref_list_find(group, token);
1486         if (work)
1487                 {
1488                 *result = (const gchar *)work->data + strlen(token);
1489                 if (strlen(*result) == 0) *result = NULL;
1490                 ret = TRUE;
1491                 }
1492         else
1493                 {
1494                 *result = NULL;
1495                 ret = FALSE;
1496                 }
1497
1498         g_free(token);
1499
1500         return ret; 
1501 }
1502
1503 static void pref_list_set(const gchar *group, const gchar *key, const gchar *marker, const gchar *text)
1504 {
1505         gchar *token;
1506         gchar *path;
1507         GList *work;
1508
1509         if (!group || !key || !marker) return;
1510
1511         token = g_strconcat(key, marker, NULL);
1512         path = g_strconcat(token, text, NULL);
1513
1514         work = pref_list_find(group, token);
1515         if (work)
1516                 {
1517                 gchar *old_path = work->data;
1518
1519                 if (text)
1520                         {
1521                         work->data = path;
1522                         path = NULL;
1523
1524                         g_free(old_path);
1525                         }
1526                 else
1527                         {
1528                         history_list_item_remove(group, old_path);
1529                         }
1530                 }
1531         else if (text)
1532                 {
1533                 history_list_add_to_key(group, path, 0);
1534                 }
1535
1536         g_free(path);
1537         g_free(token);
1538 }
1539
1540 void pref_list_int_set(const gchar *group, const gchar *key, gint value)
1541 {
1542         gchar *text;
1543
1544         text = g_strdup_printf("%d", value);
1545         pref_list_set(group, key, PREF_LIST_MARKER_INT, text);
1546         g_free(text);
1547 }
1548
1549 gint pref_list_int_get(const gchar *group, const gchar *key, gint *result)
1550 {
1551         const gchar *text;
1552
1553         if (!group || !key)
1554                 {
1555                 *result = 0;
1556                 return FALSE;
1557                 }
1558
1559         if (pref_list_get(group, key, PREF_LIST_MARKER_INT, &text) && text)
1560                 {
1561                 *result = (gint)strtol(text, NULL, 10);
1562                 return TRUE;
1563                 }
1564
1565         *result = 0;
1566         return FALSE;
1567 }
1568
1569 void pref_list_double_set(const gchar *group, const gchar *key, gdouble value)
1570 {
1571         gchar text[G_ASCII_DTOSTR_BUF_SIZE];
1572
1573         g_ascii_dtostr(text, sizeof(text), value);
1574         pref_list_set(group, key, PREF_LIST_MARKER_DOUBLE, text);
1575 }
1576
1577 gint pref_list_double_get(const gchar *group, const gchar *key, gdouble *result)
1578 {
1579         const gchar *text;
1580
1581         if (!group || !key)
1582                 {
1583                 *result = 0;
1584                 return FALSE;
1585                 }
1586
1587         if (pref_list_get(group, key, PREF_LIST_MARKER_DOUBLE, &text) && text)
1588                 {
1589                 *result = g_ascii_strtod(text, NULL);
1590                 return TRUE;
1591                 }
1592
1593         *result = 0;
1594         return FALSE;
1595 }
1596
1597 void pref_list_string_set(const gchar *group, const gchar *key, const gchar *value)
1598 {
1599         pref_list_set(group, key, PREF_LIST_MARKER_STRING, value);
1600 }
1601
1602 gint pref_list_string_get(const gchar *group, const gchar *key, const gchar **result)
1603 {
1604         return pref_list_get(group, key, PREF_LIST_MARKER_STRING, result);
1605 }
1606
1607