aboutsummaryrefslogtreecommitdiffstats
path: root/calendar/gui/prop.c
blob: 936170855f1b436504f7fa79328f4cf8ce5276f1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
/* Calendar properties dialog box
 *
 * Copyright (C) 1998 the Free Software Foundation
 *
 * Authors: Miguel de Icaza <miguel@kernel.org>
 *          Federico Mena <federico@nuclecu.unam.mx>
 */
#include <config.h>
#include <langinfo.h>
#include <gnome.h>
#include "gnome-cal.h"
#include "gnome-month-item.h"
#include "main.h"
#include "mark.h"

/* These specify the page numbers in the preferences notebook */
enum {
    PROP_TIME_DISPLAY,
    PROP_COLORS
};

static GtkWidget *prop_win;     /* The preferences dialog */

/* Widgets for the time display page */

static GtkWidget *time_format_12;   /* Radio button for 12-hour format */
static GtkWidget *time_format_24;   /* Radio button for 24-hour format */
static GtkWidget *start_on_sunday;  /* Check button for weeks starting on Sunday */
static GtkWidget *start_on_monday;  /* Check button for weeks starting on Monday */
static GtkWidget *start_omenu;      /* Option menu for start of day */
static GtkWidget *end_omenu;        /* Option menu for end of day */
static GtkWidget *start_items[24];  /* Menu items for start of day menu */
static GtkWidget *end_items[24];    /* Menu items for end of day menu */

/* Widgets for the colors page */

static GtkWidget *color_pickers[COLOR_PROP_LAST];
static GnomeCanvasItem *month_item;


/* Callback used when the property box is closed -- just sets the prop_win variable to null. */
static int
prop_cancel (void)
{
    prop_win = NULL;
    return FALSE;
}

/* Returns the index of the active item in a menu */
static int
get_active_index (GtkWidget *menu)
{
    GtkWidget *active;

    active = gtk_menu_get_active (GTK_MENU (menu));
    return GPOINTER_TO_INT (gtk_object_get_user_data (GTK_OBJECT (active)));
}

/* Applies the settings in the time display page */
static void
prop_apply_time_display (void)
{
    /* Day begin/end */

    day_begin = get_active_index (gtk_option_menu_get_menu (GTK_OPTION_MENU (start_omenu)));
    day_end   = get_active_index (gtk_option_menu_get_menu (GTK_OPTION_MENU (end_omenu)));
    gnome_config_set_int ("/calendar/Calendar/Day start", day_begin);
    gnome_config_set_int ("/calendar/Calendar/Day end", day_end);

    /* Time format */

    am_pm_flag = GTK_TOGGLE_BUTTON (time_format_12)->active;
    gnome_config_set_bool ("/calendar/Calendar/AM PM flag", am_pm_flag);

    /* Week start */

    week_starts_on_monday = GTK_TOGGLE_BUTTON (start_on_monday)->active;
    gnome_config_set_bool ("/calendar/Calendar/Week starts on Monday", week_starts_on_monday);

    gnome_config_sync ();
    time_format_changed ();
}

/* Applies the settings in the colors page */
static void
prop_apply_colors (void)
{
    int i;
    char *cspec;

    for (i = 0; i < COLOR_PROP_LAST; i++) {
        gnome_color_picker_get_i16 (GNOME_COLOR_PICKER (color_pickers[i]),
                        &color_props[i].r, &color_props[i].g, &color_props[i].b, NULL);

        cspec = build_color_spec (color_props[i].r, color_props[i].g, color_props[i].b);
        gnome_config_set_string (color_props[i].key, cspec);
    }

    gnome_config_sync ();
    colors_changed ();
}

/* Callback used when the Apply button is clicked. */
static void
prop_apply (GtkWidget *w, int page)
{
    switch (page) {
    case PROP_TIME_DISPLAY:
        prop_apply_time_display ();
        break;

    case PROP_COLORS:
        prop_apply_colors ();
        break;

    case -1:
        break;

    default:
        g_warning ("We have a loose penguin!");
        g_assert_not_reached ();
    }
}

/* Notifies the property box that the data has changed */
static void
prop_changed (void)
{
    gnome_property_box_changed (GNOME_PROPERTY_BOX (prop_win));
}

/* Builds and returns a two-element radio button group surrounded by a frame.  The radio buttons are
 * stored in the specified variables, and the first radio button's state is set according to the
 * specified flag value.  The buttons are connected to the prop_changed() function to update the property
 * box's dirty state.
 */
static GtkWidget *
build_two_radio_group (char *title,
               char *radio_1_title, GtkWidget **radio_1_widget,
               char *radio_2_title, GtkWidget **radio_2_widget,
               int radio_1_value)
{
    GtkWidget *frame;
    GtkWidget *vbox;

    frame = gtk_frame_new (title);

    vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_add (GTK_CONTAINER (frame), vbox);

    *radio_1_widget = gtk_radio_button_new_with_label (NULL, radio_1_title);
    gtk_box_pack_start (GTK_BOX (vbox), *radio_1_widget, FALSE, FALSE, 0);
    
    *radio_2_widget = gtk_radio_button_new_with_label_from_widget (GTK_RADIO_BUTTON (*radio_1_widget),
                                       radio_2_title);
    gtk_box_pack_start (GTK_BOX (vbox), *radio_2_widget, FALSE, FALSE, 0);

    gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (*radio_1_widget), radio_1_value);
    gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (*radio_2_widget), !radio_1_value);

    gtk_signal_connect (GTK_OBJECT (*radio_1_widget), "toggled",
                (GtkSignalFunc) prop_changed,
                NULL);

    return frame;
}

/* Callback invoked when a menu item from the start/end time option menus is selected.  It adjusts
 * the other menu to the proper time, if needed.
 */
static void
hour_activated (GtkWidget *widget, gpointer data)
{
    int start, end;

    if (data == start_omenu) {
        /* Adjust the end menu */

        start = GPOINTER_TO_INT (gtk_object_get_user_data (GTK_OBJECT (widget)));
        end = get_active_index (gtk_option_menu_get_menu (GTK_OPTION_MENU (end_omenu)));

        if (end < start)
            gtk_option_menu_set_history (GTK_OPTION_MENU (end_omenu), start);
    } else if (data == end_omenu) {
        /* Adjust the start menu */

        end = GPOINTER_TO_INT (gtk_object_get_user_data (GTK_OBJECT (widget)));
        start = get_active_index (gtk_option_menu_get_menu (GTK_OPTION_MENU (start_omenu)));

        if (start > end)
            gtk_option_menu_set_history (GTK_OPTION_MENU (start_omenu), end);
    } else
        g_assert_not_reached ();

    gnome_property_box_changed (GNOME_PROPERTY_BOX (prop_win));
}

/* Builds an option menu of 24 hours */
static GtkWidget *
build_hours_menu (GtkWidget **items, int active)
{
    GtkWidget *omenu;
    GtkWidget *menu;
    int i;
    char buf[100];
    struct tm tm;

    omenu = gtk_option_menu_new ();
    menu = gtk_menu_new ();

    memset (&tm, 0, sizeof (tm));

    for (i = 0; i < 24; i++) {
        tm.tm_hour = i;
        strftime (buf, 100, "%I:%M %p", &tm);

        items[i] = gtk_menu_item_new_with_label (buf);
        gtk_object_set_user_data (GTK_OBJECT (items[i]), GINT_TO_POINTER (i));
        gtk_signal_connect (GTK_OBJECT (items[i]), "activate",
                    (GtkSignalFunc) hour_activated,
                    omenu);

        gtk_menu_append (GTK_MENU (menu), items[i]);
        gtk_widget_show (items[i]);
    }

    gtk_option_menu_set_menu (GTK_OPTION_MENU (omenu), menu);
    gtk_option_menu_set_history (GTK_OPTION_MENU (omenu), active);
    return omenu;
}

/* Creates the time display page in the preferences dialog */
static void
create_time_display_page (void)
{
    GtkWidget *table;
    GtkWidget *vbox;
    GtkWidget *frame;
    GtkWidget *hbox2;
    GtkWidget *hbox3;
    GtkWidget *w;

    table = gtk_table_new (2, 2, FALSE);
    gtk_container_border_width (GTK_CONTAINER (table), GNOME_PAD_SMALL);
    gtk_table_set_row_spacings (GTK_TABLE (table), GNOME_PAD_SMALL);
    gtk_table_set_col_spacings (GTK_TABLE (table), GNOME_PAD_SMALL);
    gnome_property_box_append_page (GNOME_PROPERTY_BOX (prop_win), table,
                    gtk_label_new (_("Time display")));

    /* Time format */

    w = build_two_radio_group (_("Time format"),
                   _("12-hour (AM/PM)"), &time_format_12,
                   _("24-hour"), &time_format_24,
                   am_pm_flag);
    gtk_table_attach (GTK_TABLE (table), w,
              0, 1, 0, 1,
              GTK_EXPAND | GTK_FILL,
              GTK_EXPAND | GTK_FILL,
              0, 0);

    /* Weeks start on */

    w = build_two_radio_group (_("Weeks start on"),
                   _("Sunday"), &start_on_sunday,
                   _("Monday"), &start_on_monday,
                   !week_starts_on_monday);
    gtk_table_attach (GTK_TABLE (table), w,
              0, 1, 1, 2,
              GTK_EXPAND | GTK_FILL,
              GTK_EXPAND | GTK_FILL,
              0, 0);

    /* Day range */

    frame = gtk_frame_new (_("Day range"));
    gtk_table_attach (GTK_TABLE (table), frame,
              1, 2, 0, 2,
              GTK_EXPAND | GTK_FILL,
              GTK_EXPAND | GTK_FILL,
              0, 0);

    vbox = gtk_vbox_new (FALSE, GNOME_PAD_SMALL);
    gtk_container_border_width (GTK_CONTAINER (vbox), GNOME_PAD_SMALL);
    gtk_container_add (GTK_CONTAINER (frame), vbox);

    w = gtk_label_new (_("Please select the start and end hours you want\n"
                 "to be displayed in the day view and week view.\n"
                 "Times outside this range will not be displayed\n"
                 "by default."));
    gtk_label_set_justify (GTK_LABEL (w), GTK_JUSTIFY_LEFT);
    gtk_misc_set_alignment (GTK_MISC (w), 0.0, 0.0);
    gtk_box_pack_start (GTK_BOX (vbox), w, FALSE, FALSE, 0);

    hbox2 = gtk_hbox_new (FALSE, GNOME_PAD);
    gtk_box_pack_start (GTK_BOX (vbox), hbox2, FALSE, FALSE, 0);

    /* Day start */

    hbox3 = gtk_hbox_new (FALSE, GNOME_PAD_SMALL);
    gtk_box_pack_start (GTK_BOX (hbox2), hbox3, FALSE, FALSE, 0);

    w = gtk_label_new (_("Day start:"));
    gtk_box_pack_start (GTK_BOX (hbox3), w, FALSE, FALSE, 0);

    start_omenu = build_hours_menu (start_items, day_begin);
    gtk_box_pack_start (GTK_BOX (hbox3), start_omenu, FALSE, FALSE, 0);

    /* Day end */

    hbox3 = gtk_hbox_new (FALSE, GNOME_PAD_SMALL);
    gtk_box_pack_start (GTK_BOX (hbox2), hbox3, FALSE, FALSE, 0);

    w = gtk_label_new (_("Day end:"));
    gtk_box_pack_start (GTK_BOX (hbox3), w, FALSE, FALSE, 0);

    end_omenu = build_hours_menu (end_items, day_end);
    gtk_box_pack_start (GTK_BOX (hbox3), end_omenu, FALSE, FALSE, 0);
}

/* Called when the canvas for the month item is size allocated.  We use this to change the canvas'
 * scrolling region and the month item's size.
 */
static void
canvas_size_allocate (GtkWidget *widget, GtkAllocation *allocation, gpointer data)
{
    gnome_canvas_item_set (month_item,
                   "width", (double) (allocation->width - 1),
                   "height", (double) (allocation->height - 1),
                   NULL);

    gnome_canvas_set_scroll_region (GNOME_CANVAS (widget),
                    0, 0,
                    allocation->width, allocation->height);
}

/* Returns a color spec based on the color pickers */
static char *
color_spec_from_picker (int num)
{
    int r, g, b;

    gnome_color_picker_get_i16 (GNOME_COLOR_PICKER (color_pickers[num]), &r, &g, &b, NULL);

    return build_color_spec (r, g, b);
}

/* Callback used to query prelight color information for the properties box */
static char *
fetch_prelight_spec (gpointer data)
{
    return color_spec_from_picker (COLOR_PROP_PRELIGHT_DAY_BG);
}

/* Marks fake event days in the month item sample */
static void
fake_mark_days (void)
{
    static int day_nums[] = { 1, 4, 8, 16, 17, 18, 20, 25, 28 }; /* some random days */
    int day_index;
    int i;
    GnomeCanvasItem *item;

    for (i = 0; i < (sizeof (day_nums) / sizeof (day_nums[0])); i++) {
        day_index = gnome_month_item_day2index (GNOME_MONTH_ITEM (month_item), day_nums[i]);
        item = gnome_month_item_num2child (GNOME_MONTH_ITEM (month_item), GNOME_MONTH_ITEM_DAY_BOX + day_index);
        gnome_canvas_item_set (item,
                       "fill_color", color_spec_from_picker (COLOR_PROP_MARK_DAY_BG),
                       NULL);
    }
}

/* Switches the month item to the current date and highlights the current day's number */
static void
set_current_day (void)
{
    struct tm *tm;
    time_t t;
    GnomeCanvasItem *item;
    int day_index;

    /* Set the date */

    t = time (NULL);
    tm = localtime (&t);

    gnome_canvas_item_set (month_item,
                   "year", tm->tm_year + 1900,
                   "month", tm->tm_mon,
                   NULL);

    /* Highlight current day */

    day_index = gnome_month_item_day2index (GNOME_MONTH_ITEM (month_item), tm->tm_mday);
    item = gnome_month_item_num2child (GNOME_MONTH_ITEM (month_item), GNOME_MONTH_ITEM_DAY_LABEL + day_index);
    gnome_canvas_item_set (item,
                   "fill_color", color_spec_from_picker (COLOR_PROP_CURRENT_DAY_FG),
                   "font", CURRENT_DAY_FONT,
                   NULL);
}

/* Sets the colors of the month item to the current prerences */
static void
reconfigure_month (void)
{
    /* We have to do this in two calls to gnome_canvas_item_set(), as color_spec_from_picker()
     * returns a pointer to a static string -- and we need two values.
     */

    gnome_canvas_item_set (month_item,
                   "heading_color", color_spec_from_picker (COLOR_PROP_HEADING_COLOR),
                   NULL);

    gnome_canvas_item_set (month_item,
                   "outline_color", color_spec_from_picker (COLOR_PROP_OUTLINE_COLOR),
                   NULL);

    gnome_canvas_item_set (month_item,
                   "day_box_color", color_spec_from_picker (COLOR_PROP_EMPTY_DAY_BG),
                   NULL);

    gnome_canvas_item_set (month_item,
                   "day_color", color_spec_from_picker (COLOR_PROP_DAY_FG),
                   NULL);

    gnome_canvas_item_set (month_item,
                   "day_font", NORMAL_DAY_FONT,
                   NULL);

    fake_mark_days ();
    set_current_day ();

    /* Reset prelighting information */

    month_item_prepare_prelight (GNOME_MONTH_ITEM (month_item), fetch_prelight_spec, NULL);
}

/* Callback used when a color is changed */
static void
color_set (void)
{
    reconfigure_month ();
    prop_changed ();
}

/* Creates the colors page in the preferences dialog */
static void
create_colors_page (void)
{
    GtkWidget *frame;
    GtkWidget *hbox;
    GtkWidget *table;
    GtkWidget *w;
    int i;

    frame = gtk_frame_new (_("Colors for months"));
    gtk_container_border_width (GTK_CONTAINER (frame), GNOME_PAD_SMALL);
    gnome_property_box_append_page (GNOME_PROPERTY_BOX (prop_win), frame,
                    gtk_label_new (_("Colors")));

    hbox = gtk_hbox_new (FALSE, GNOME_PAD);
    gtk_container_border_width (GTK_CONTAINER (hbox), GNOME_PAD_SMALL);
    gtk_container_add (GTK_CONTAINER (frame), hbox);

    table = gtk_table_new (COLOR_PROP_LAST, 2, FALSE);
    gtk_table_set_col_spacings (GTK_TABLE (table), GNOME_PAD_SMALL);
    gtk_box_pack_start (GTK_BOX (hbox), table, FALSE, FALSE, 0);

    /* Create the color pickers */

    for (i = 0; i < COLOR_PROP_LAST; i++) {
        /* Label */

        w = gtk_label_new (_(color_props[i].label));
        gtk_misc_set_alignment (GTK_MISC (w), 0.0, 0.5);
        gtk_table_attach (GTK_TABLE (table), w,
                  0, 1, i, i + 1,
                  GTK_FILL, 0,
                  0, 0);

        /* Color picker */

        color_pickers[i] = gnome_color_picker_new ();
        gnome_color_picker_set_title (GNOME_COLOR_PICKER (color_pickers[i]), _(color_props[i].label));
        gnome_color_picker_set_i16 (GNOME_COLOR_PICKER (color_pickers[i]),
                        color_props[i].r, color_props[i].g, color_props[i].b, 0);
        gtk_table_attach (GTK_TABLE (table), color_pickers[i],
                  1, 2, i, i + 1,
                  0, 0,
                  0, 0);
        gtk_signal_connect (GTK_OBJECT (color_pickers[i]), "color_set",
                    (GtkSignalFunc) color_set,
                    NULL);
    }

    /* Create the sample calendar */

    w = gnome_canvas_new ();
    gtk_box_pack_start (GTK_BOX (hbox), w, TRUE, TRUE, 0);

    month_item = gnome_month_item_new (gnome_canvas_root (GNOME_CANVAS (w)));
    gnome_canvas_item_set (month_item,
                   "start_on_monday", week_starts_on_monday,
                   NULL);
    reconfigure_month ();
    
    gtk_signal_connect (GTK_OBJECT (w), "size_allocate",
                canvas_size_allocate,
                NULL);

}

/* Creates and displays the preferences dialog for the whole application */
void
properties (void)
{
    if (prop_win)
        return;

    prop_win = gnome_property_box_new ();
    gtk_window_set_title (GTK_WINDOW (prop_win), _("Preferences"));

    create_time_display_page ();
    create_colors_page ();

    gtk_signal_connect (GTK_OBJECT (prop_win), "destroy",
                (GtkSignalFunc) prop_cancel, NULL);

    gtk_signal_connect (GTK_OBJECT (prop_win), "delete_event",
                (GtkSignalFunc) prop_cancel, NULL);

    gtk_signal_connect (GTK_OBJECT (prop_win), "apply",
                (GtkSignalFunc) prop_apply, NULL);

    gtk_widget_show_all (prop_win);
}

char *
build_color_spec (int r, int g, int b)
{
    static char spec[100];

    sprintf (spec, "#%04x%04x%04x", r, g, b);
    return spec;
}

void
parse_color_spec (char *spec, int *r, int *g, int *b)
{
    g_return_if_fail (spec != NULL);
    g_return_if_fail (r != NULL);
    g_return_if_fail (r != NULL);
    g_return_if_fail (r != NULL);

    if (sscanf (spec, "#%04x%04x%04x", r, g, b) != 3) {
        g_warning ("Invalid color specification %s, returning black", spec);

        *r = *g = *b = 0;
    }
}

char *
color_spec_from_prop (int propnum)
{
    return build_color_spec (color_props[propnum].r, color_props[propnum].g, color_props[propnum].b);
}