aboutsummaryrefslogblamecommitdiffstats
path: root/widgets/misc/e-cell-date-edit.c
blob: 3318590baf6619e250d4dfaf936364f1c86ebf65 (plain) (tree)
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























































































































































































































































































































































































































































                                                                                                                          
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 * Author :
 *  Damon Chaplin <damon@ximian.com>
 *
 * Copyright 2001, Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

/*
 * ECellDateEdit - a subclass of ECellPopup used to show a date with a popup
 * window to edit it.
 */

#include <config.h>
#include <gal/util/e-i18n.h>
#include <gdk/gdkkeysyms.h>
#include "gal/util/e-util.h"
#include <gal/e-table/e-table-item.h>
#include "e-cell-date-edit.h"

/* This depends on ECalendar which is why I didn't put it in gal. */
#include "e-calendar.h"

static void e_cell_date_edit_class_init     (GtkObjectClass *object_class);
static void e_cell_date_edit_init       (ECellDateEdit  *ecde);
static void e_cell_date_edit_destroy        (GtkObject  *object);

static gint e_cell_date_edit_do_popup       (ECellPopup *ecp,
                         GdkEvent   *event);
static void e_cell_date_edit_show_popup     (ECellDateEdit  *ecde);
static void e_cell_date_edit_get_popup_pos  (ECellDateEdit  *ecde,
                         gint       *x,
                         gint       *y,
                         gint       *height,
                         gint       *width);

static void e_cell_date_edit_rebuild_time_list  (ECellDateEdit  *ecde);

static int e_cell_date_edit_key_press       (GtkWidget  *popup_window,
                         GdkEventKey    *event,
                         ECellDateEdit  *ecde);

static ECellPopupClass *parent_class;


E_MAKE_TYPE (e_cell_date_edit, "ECellDateEdit", ECellDateEdit,
         e_cell_date_edit_class_init, e_cell_date_edit_init,
         e_cell_popup_get_type());


static void
e_cell_date_edit_class_init     (GtkObjectClass *object_class)
{
    ECellPopupClass *ecpc = (ECellPopupClass *) object_class;

    object_class->destroy = e_cell_date_edit_destroy;

    ecpc->popup = e_cell_date_edit_do_popup;

    parent_class = gtk_type_class (e_cell_popup_get_type ());
}


static void
e_cell_date_edit_init           (ECellDateEdit  *ecde)
{
    GtkWidget *frame, *vbox, *table, *label, *entry;
    GtkWidget *calendar, *scrolled_window, *list, *bbox;
    GtkWidget *now_button, *today_button, *none_button;

    ecde->use_24_hour_format = TRUE;

    ecde->lower_hour = 0;
    ecde->upper_hour = 24;

    /* We create one popup window for the ECell, since there will only
       ever be one popup in use at a time. */
    ecde->popup_window = gtk_window_new (GTK_WINDOW_POPUP);

    gtk_window_set_policy (GTK_WINDOW (ecde->popup_window),
                   TRUE, TRUE, FALSE);
  
    frame = gtk_frame_new (NULL);
    gtk_container_add (GTK_CONTAINER (ecde->popup_window), frame);
    gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
    gtk_widget_show (frame);

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

    table = gtk_table_new (3, 2, FALSE);
    gtk_box_pack_start (GTK_BOX (vbox), table, TRUE, TRUE, 0);
    gtk_table_set_col_spacings (GTK_TABLE (table), 4);
        gtk_widget_show (table);

#if 0
    label = gtk_label_new (_("Date:"));
    gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
    gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
              GTK_FILL, 0, 0, 0);
    gtk_widget_show (label);

    entry = gtk_entry_new ();
    gtk_table_attach (GTK_TABLE (table), entry, 0, 1, 1, 2,
              GTK_FILL, 0, 0, 0);
    gtk_widget_show (entry);
#endif

    calendar = e_calendar_new ();
    gnome_canvas_item_set (GNOME_CANVAS_ITEM (E_CALENDAR (calendar)->calitem),
                   "move_selection_when_moving", FALSE,
                   NULL);
    gtk_table_attach (GTK_TABLE (table), calendar, 0, 1, 0, 3,
              GTK_FILL, GTK_FILL, 0, 0);
    gtk_widget_show (calendar);


#if 0
    label = gtk_label_new (_("Time:"));
    gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
    gtk_table_attach (GTK_TABLE (table), label, 1, 2, 0, 1,
              GTK_FILL, 0, 0, 0);
    gtk_widget_show (label);

    entry = gtk_entry_new ();
    gtk_table_attach (GTK_TABLE (table), entry, 1, 2, 0, 1,
              GTK_FILL, 0, 0, 0);
    gtk_widget_show (entry);
#endif

    scrolled_window = gtk_scrolled_window_new (NULL, NULL);
    gtk_table_attach (GTK_TABLE (table), scrolled_window, 1, 2, 0, 3,
              GTK_FILL, GTK_FILL, 0, 0);
    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                    GTK_POLICY_NEVER,
                    GTK_POLICY_ALWAYS);
    gtk_widget_show (scrolled_window);

    list = gtk_list_new ();
    gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window), list);
    gtk_container_set_focus_vadjustment (GTK_CONTAINER (list),
                         gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrolled_window)));
    gtk_widget_show (list);
    ecde->time_list = list;
    e_cell_date_edit_rebuild_time_list (ecde);

    bbox = gtk_hbutton_box_new ();
    gtk_container_set_border_width (GTK_CONTAINER (bbox), 4);
    gtk_button_box_set_spacing (GTK_BUTTON_BOX (bbox), 2);
    gtk_button_box_set_child_ipadding (GTK_BUTTON_BOX (bbox), 2, 0);
    gtk_button_box_set_child_size (GTK_BUTTON_BOX (bbox), 0, 0);
    gtk_box_pack_start (GTK_BOX (vbox), bbox, FALSE, FALSE, 0);
        gtk_widget_show (bbox);

    now_button = gtk_button_new_with_label (_("Now"));
    gtk_container_add (GTK_CONTAINER (bbox), now_button);
        gtk_widget_show (now_button);
#if 0
    gtk_signal_connect (GTK_OBJECT (now_button), "clicked",
                GTK_SIGNAL_FUNC (on_date_popup_now_button_clicked), dedit);
#endif

    today_button = gtk_button_new_with_label (_("Today"));
    gtk_container_add (GTK_CONTAINER (bbox), today_button);
        gtk_widget_show (today_button);
#if 0
    gtk_signal_connect (GTK_OBJECT (today_button), "clicked",
                GTK_SIGNAL_FUNC (on_date_popup_today_button_clicked), dedit);
#endif

    /* Note that we don't show this here, since by default a 'None' date
       is not permitted. */
    none_button = gtk_button_new_with_label (_("None"));
    gtk_container_add (GTK_CONTAINER (bbox), none_button);
#if 0
    gtk_signal_connect (GTK_OBJECT (none_button), "clicked",
                GTK_SIGNAL_FUNC (on_date_popup_none_button_clicked), dedit);
#endif



    gtk_signal_connect (GTK_OBJECT (ecde->popup_window),
                "key_press_event",
                GTK_SIGNAL_FUNC (e_cell_date_edit_key_press),
                ecde);
}


/**
 * e_cell_date_edit_new:
 *
 * Creates a new ECellDateEdit renderer.
 *
 * Returns: an ECellDateEdit object.
 */
ECell *
e_cell_date_edit_new            (void)
{
    ECellDateEdit *ecde = gtk_type_new (e_cell_date_edit_get_type ());

    return (ECell*) ecde;
}


/*
 * GtkObject::destroy method
 */
static void
e_cell_date_edit_destroy        (GtkObject *object)
{
    ECellDateEdit *ecde = E_CELL_DATE_EDIT (object);

    gtk_widget_unref (ecde->popup_window);

    GTK_OBJECT_CLASS (parent_class)->destroy (object);
}


static gint
e_cell_date_edit_do_popup       (ECellPopup *ecp,
                     GdkEvent   *event)
{
    ECellDateEdit *ecde = E_CELL_DATE_EDIT (ecp);
    guint32 time;
    gint error_code;

    e_cell_date_edit_show_popup (ecde);

    if (event->type == GDK_BUTTON_PRESS) {
        time = event->button.time;
    } else {
        time = event->key.time;
    }

    error_code = gdk_pointer_grab (ecde->popup_window->window, TRUE,
                       GDK_ENTER_NOTIFY_MASK |
                       GDK_BUTTON_PRESS_MASK | 
                       GDK_BUTTON_RELEASE_MASK |
                       GDK_POINTER_MOTION_HINT_MASK |
                       GDK_BUTTON1_MOTION_MASK,
                       NULL, NULL, time);
    if (error_code != 0)
        g_warning ("Failed to get pointer grab");

    gtk_grab_add (ecde->popup_window);

    return TRUE;
}


static void
e_cell_date_edit_show_popup     (ECellDateEdit  *ecde)
{
    gint x, y, width, height, old_width, old_height;

    g_print ("In e_cell_popup_popup_list\n");

    /* This code is practically copied from GtkCombo. */
    old_width = ecde->popup_window->allocation.width;
    old_height  = ecde->popup_window->allocation.height;

    e_cell_date_edit_get_popup_pos (ecde, &x, &y, &height, &width);

    gtk_widget_set_uposition (ecde->popup_window, x, y);
    gtk_widget_set_usize (ecde->popup_window, width, height);
    gtk_widget_realize (ecde->popup_window);
    gdk_window_resize (ecde->popup_window->window, width, height);
    gtk_widget_show (ecde->popup_window);

    /* FIXME: Set the focus to the first widget. */
    gtk_widget_grab_focus (ecde->popup_window);

    E_CELL_POPUP (ecde)->popup_shown = TRUE;
}


/* Calculates the size and position of the popup window (like GtkCombo). */
static void
e_cell_date_edit_get_popup_pos      (ECellDateEdit  *ecde,
                     gint       *x,
                     gint       *y,
                     gint       *height,
                     gint       *width)
{
    ECellPopup *ecp = E_CELL_POPUP (ecde);
    ETableItem *eti = E_TABLE_ITEM (ecp->popup_cell_view->cell_view.e_table_item_view);
    GtkWidget *canvas = GTK_WIDGET (GNOME_CANVAS_ITEM (eti)->canvas);
    GtkRequisition popup_requisition;
    gint avail_height, screen_width, column_width, row_height;
    double x1, y1;
  
    gdk_window_get_origin (canvas->window, x, y);

    x1 = e_table_header_col_diff (eti->header, 0, eti->editing_col + 1);
    y1 = eti_row_diff (eti, 0, eti->editing_row + 1);
    column_width = e_table_header_col_diff (eti->header, eti->editing_col,
                        eti->editing_col + 1);
    row_height = eti_row_diff (eti, eti->editing_row,
                   eti->editing_row + 1);
    gnome_canvas_item_i2w (GNOME_CANVAS_ITEM (eti), &x1, &y1);

    *x += x1;
    /* The ETable positions don't include the grid lines, I think, so we
       add 1. */
    *y += y1 + 1;

    avail_height = gdk_screen_height () - *y;

    /* We'll use the entire screen width if needed, but we save space for
       the vertical scrollbar in case we need to show that. */
    screen_width = gdk_screen_width ();
  
    gtk_widget_size_request (ecde->popup_window, &popup_requisition);
  
    /* Calculate the desired width. */
    *width = popup_requisition.width;

    /* Use at least the same width as the column. */
    if (*width < column_width)
        *width = column_width;

    /* Check if it fits in the available height. */
    if (popup_requisition.height > avail_height) {
        /* It doesn't fit, so we see if we have the minimum space
           needed. */
        if (*y - row_height > avail_height) {
            /* We don't, so we show the popup above the cell
               instead of below it. */
            avail_height = *y - row_height;
            *y -= (popup_requisition.height + row_height);
            if (*y < 0)
                *y = 0;
        }
    }

    /* We try to line it up with the right edge of the column, but we don't
       want it to go off the edges of the screen. */
    if (*x > screen_width)
        *x = screen_width;
    *x -= *width;
    if (*x < 0)
        *x = 0;

    *height = popup_requisition.height;
}


/* This handles key press events in the popup window. If the Escape key is
   pressed we hide the popup, and do not change the cell contents. */
static int
e_cell_date_edit_key_press      (GtkWidget  *popup_window,
                     GdkEventKey    *event,
                     ECellDateEdit  *ecde)
{
    g_print ("In e_cell_date_edit_key_press\n");

    /* If the Escape key is pressed we hide the popup. */
    if (event->keyval != GDK_Escape)
        return FALSE;

    gtk_grab_remove (ecde->popup_window);
    gdk_pointer_ungrab (event->time);
    gtk_widget_hide (ecde->popup_window);

    E_CELL_POPUP (ecde)->popup_shown = FALSE;

    return TRUE;
}


/* Clears the time list and rebuilds it using the lower_hour, upper_hour
   and use_24_hour_format settings. */
static void
e_cell_date_edit_rebuild_time_list      (ECellDateEdit  *ecde)
{
    GtkList *list;
    GtkWidget *listitem;
    char buffer[40], *format;
    struct tm tmp_tm;
    gint hour, min;

    list = GTK_LIST (ecde->time_list);

    gtk_list_clear_items (list, 0, -1);

    /* Fill the struct tm with some sane values. */
    tmp_tm.tm_year = 2000;
    tmp_tm.tm_mon = 0;
    tmp_tm.tm_mday = 1;
    tmp_tm.tm_sec  = 0;
    tmp_tm.tm_isdst = 0;

    for (hour = ecde->lower_hour; hour <= ecde->upper_hour; hour++) {

        /* We don't want to display midnight at the end, since that is
           really in the next day. */
        if (hour == 24)
            break;

        /* We want to finish on upper_hour, with min == 0. */
        for (min = 0;
             min == 0 || (min < 60 && hour != ecde->upper_hour);
             min += 30) {
            tmp_tm.tm_hour = hour;
            tmp_tm.tm_min  = min;

            if (ecde->use_24_hour_format)
                /* This is a strftime() format. %H = hour (0-23), %M = minute. */
                format = _("%H:%M");
            else
                /* This is a strftime() format. %I = hour (1-12), %M = minute, %p = am/pm string. */
                format = _("%I:%M %p");

            strftime (buffer, sizeof (buffer), format, &tmp_tm);

            listitem = gtk_list_item_new_with_label (buffer);
            gtk_widget_show (listitem);
            gtk_container_add (GTK_CONTAINER (list), listitem);
        }
    }
}