1 /* example-start calendar calendar.c */
3 * Copyright (C) 1998 Cesar Miquel, Shawn T. Amundson, Mattias Grönlund
4 * Copyright (C) 2000 Tony Gale
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #define DEF_PAD_SMALL 6
29 #define TM_YEAR_BASE 1900
31 typedef struct _CalendarData
33 GtkWidget *calendar_widget;
34 GtkWidget *flag_checkboxes[6];
36 GtkWidget *font_dialog;
43 GHashTable *details_table;
44 GtkTextBuffer *details_buffer;
45 gulong details_changed;
52 calendar_month_change,
62 calendar_date_to_string (CalendarData *data,
67 guint year, month, day;
69 gtk_calendar_get_date (GTK_CALENDAR(data->window),
71 date = g_date_new_dmy (day, month + 1, year);
72 g_date_strftime (buffer, buff_len-1, "%x", date);
78 calendar_set_detail (CalendarData *data,
84 gchar *key = g_strdup_printf ("%04d-%02d-%02d", year, month + 1, day);
85 g_hash_table_replace (data->details_table, key, detail);
89 calendar_get_detail (CalendarData *data,
97 key = g_strdup_printf ("%04d-%02d-%02d", year, month + 1, day);
98 detail = g_hash_table_lookup (data->details_table, key);
101 return (detail ? g_strdup (detail) : NULL);
105 calendar_update_details (CalendarData *data)
107 guint year, month, day;
110 gtk_calendar_get_date (GTK_CALENDAR (data->calendar_widget), &year, &month, &day);
111 detail = calendar_get_detail (data, year, month, day);
113 g_signal_handler_block (data->details_buffer, data->details_changed);
114 gtk_text_buffer_set_text (data->details_buffer, detail ? detail : "", -1);
115 g_signal_handler_unblock (data->details_buffer, data->details_changed);
121 calendar_set_signal_strings (char *sig_str,
124 const gchar *prev_sig;
126 prev_sig = gtk_label_get_text (GTK_LABEL (data->prev_sig));
127 gtk_label_set_text (GTK_LABEL (data->prev2_sig), prev_sig);
129 prev_sig = gtk_label_get_text (GTK_LABEL (data->last_sig));
130 gtk_label_set_text (GTK_LABEL (data->prev_sig), prev_sig);
131 gtk_label_set_text (GTK_LABEL (data->last_sig), sig_str);
135 calendar_month_changed (GtkWidget *widget,
138 char buffer[256] = "month_changed: ";
140 calendar_date_to_string (data, buffer+15, 256-15);
141 calendar_set_signal_strings (buffer, data);
145 calendar_day_selected (GtkWidget *widget,
148 char buffer[256] = "day_selected: ";
150 calendar_date_to_string (data, buffer+14, 256-14);
151 calendar_set_signal_strings (buffer, data);
153 calendar_update_details (data);
157 calendar_day_selected_double_click (GtkWidget *widget,
160 char buffer[256] = "day_selected_double_click: ";
163 calendar_date_to_string (data, buffer+27, 256-27);
164 calendar_set_signal_strings (buffer, data);
165 gtk_calendar_get_date (GTK_CALENDAR (data->window),
168 if (gtk_calendar_get_day_is_marked (GTK_CALENDAR (data->window), day))
169 gtk_calendar_unmark_day (GTK_CALENDAR (data->window), day);
171 gtk_calendar_mark_day (GTK_CALENDAR (data->window), day);
175 calendar_prev_month (GtkWidget *widget,
178 char buffer[256] = "prev_month: ";
180 calendar_date_to_string (data, buffer+12, 256-12);
181 calendar_set_signal_strings (buffer, data);
185 calendar_next_month (GtkWidget *widget,
188 char buffer[256] = "next_month: ";
190 calendar_date_to_string (data, buffer+12, 256-12);
191 calendar_set_signal_strings (buffer, data);
195 calendar_prev_year (GtkWidget *widget,
198 char buffer[256] = "prev_year: ";
200 calendar_date_to_string (data, buffer+11, 256-11);
201 calendar_set_signal_strings (buffer, data);
205 calendar_next_year (GtkWidget *widget,
208 char buffer[256] = "next_year: ";
210 calendar_date_to_string (data, buffer+11, 256-11);
211 calendar_set_signal_strings (buffer, data);
216 calendar_set_flags (CalendarData *calendar)
220 for (i = 0; i < G_N_ELEMENTS (calendar->settings); i++)
221 if (calendar->settings[i])
222 options=options + (1 << i);
224 if (calendar->window)
225 gtk_calendar_set_display_options (GTK_CALENDAR (calendar->window), options);
229 calendar_toggle_flag (GtkWidget *toggle,
230 CalendarData *calendar)
234 for (i = 0; i < G_N_ELEMENTS (calendar->flag_checkboxes); i++)
235 if (calendar->flag_checkboxes[i] == toggle)
236 calendar->settings[i] = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle));
238 calendar_set_flags(calendar);
242 void calendar_select_font (GtkWidget *button,
243 CalendarData *calendar)
245 const char *font = NULL;
248 if (calendar->window)
249 font = gtk_font_button_get_font_name (GTK_FONT_BUTTON (button));
253 style = gtk_rc_style_new ();
254 pango_font_description_free (style->font_desc);
255 style->font_desc = pango_font_description_from_string (font);
256 gtk_widget_modify_style (calendar->window, style);
261 calendar_detail_cb (GtkCalendar *calendar,
267 return calendar_get_detail (data, year, month, day);
271 calendar_details_changed (GtkTextBuffer *buffer,
274 GtkTextIter start, end;
275 guint year, month, day;
278 gtk_text_buffer_get_start_iter(buffer, &start);
279 gtk_text_buffer_get_end_iter(buffer, &end);
281 gtk_calendar_get_date (GTK_CALENDAR (data->calendar_widget), &year, &month, &day);
282 detail = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
290 calendar_set_detail (data, year, month, day, detail);
291 gtk_widget_queue_resize (data->calendar_widget);
295 demonstrate_details (CalendarData *data)
297 static char *rainbow[] = { "#900", "#980", "#390", "#095", "#059", "#309", "#908" };
298 GtkCalendar *calendar = GTK_CALENDAR (data->calendar_widget);
299 guint year, month, day;
302 gtk_calendar_get_date (calendar,
303 &year, &month, &day);
305 for (day = 0; day < 29; ++day)
307 detail = g_strdup_printf ("<span color='%s'>yadda\n"
308 "(%04d-%02d-%02d)</span>",
309 rainbow[(day - 1) % 7], year, month, day);
310 calendar_set_detail (data, year, month, day, detail);
313 gtk_widget_queue_resize (data->calendar_widget);
314 calendar_update_details (data);
318 reset_details (CalendarData *data)
320 g_hash_table_remove_all (data->details_table);
321 gtk_widget_queue_resize (data->calendar_widget);
322 calendar_update_details (data);
326 calendar_toggle_details (GtkWidget *widget,
329 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
330 gtk_calendar_set_detail_func (GTK_CALENDAR (data->calendar_widget),
331 calendar_detail_cb, data, NULL);
333 gtk_calendar_set_detail_func (GTK_CALENDAR (data->calendar_widget),
338 create_expander (const char *caption,
343 GtkWidget *expander = gtk_expander_new ("");
344 GtkWidget *label = gtk_expander_get_label_widget (GTK_EXPANDER (expander));
345 GtkWidget *align = gtk_alignment_new (0, 0, xscale, yscale);
347 gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 0, 18, 0);
348 gtk_label_set_markup (GTK_LABEL (label), caption);
350 gtk_container_add (GTK_CONTAINER (expander), align);
351 gtk_container_add (GTK_CONTAINER (align), child);
357 create_frame (const char *caption,
362 GtkWidget *frame = gtk_frame_new ("");
363 GtkWidget *label = gtk_frame_get_label_widget (GTK_FRAME (frame));
364 GtkWidget *align = gtk_alignment_new (0, 0, xscale, yscale);
366 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
367 gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 0, 18, 0);
368 gtk_label_set_markup (GTK_LABEL (label), caption);
370 gtk_container_add (GTK_CONTAINER (frame), align);
371 gtk_container_add (GTK_CONTAINER (align), child);
377 detail_width_changed (GtkSpinButton *button,
380 gint value = (gint) gtk_spin_button_get_value (button);
381 gtk_calendar_set_detail_width_chars (GTK_CALENDAR (data->calendar_widget), value);
385 detail_height_changed (GtkSpinButton *button,
388 gint value = (gint) gtk_spin_button_get_value (button);
389 gtk_calendar_set_detail_height_rows (GTK_CALENDAR (data->calendar_widget), value);
393 create_calendar(void)
395 static CalendarData calendar_data;
397 GtkWidget *window, *hpaned, *vbox, *rpane, *hbox;
398 GtkWidget *calendar, *toggle, *scroller, *button;
399 GtkWidget *frame, *label, *bbox, *align, *details;
411 { TRUE, "Show _Heading" },
412 { TRUE, "Show Day _Names" },
413 { FALSE, "No Month _Change" },
414 { TRUE, "Show _Week Numbers" },
415 { FALSE, "Week Start _Monday" },
416 { TRUE, "Show De_tails" },
419 calendar_data.window = NULL;
420 calendar_data.font_dialog = NULL;
421 calendar_data.details_table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
423 for (i = 0; i < G_N_ELEMENTS (calendar_data.settings); i++)
424 calendar_data.settings[i] = 0;
426 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
427 gtk_window_set_title (GTK_WINDOW (window), "GtkCalendar Example");
428 gtk_container_set_border_width (GTK_CONTAINER (window), 12);
429 g_signal_connect (window, "destroy",
430 G_CALLBACK (gtk_main_quit),
432 g_signal_connect (window, "delete-event",
433 G_CALLBACK (gtk_false),
436 hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
438 /* Calendar widget */
440 calendar = gtk_calendar_new ();
441 calendar_data.calendar_widget = calendar;
442 frame = create_frame ("<b>Calendar</b>", calendar, 0, 0);
443 gtk_paned_pack1 (GTK_PANED (hpaned), frame, TRUE, FALSE);
445 calendar_data.window = calendar;
446 calendar_set_flags(&calendar_data);
447 gtk_calendar_mark_day (GTK_CALENDAR (calendar), 19);
449 g_signal_connect (calendar, "month_changed",
450 G_CALLBACK (calendar_month_changed),
452 g_signal_connect (calendar, "day_selected",
453 G_CALLBACK (calendar_day_selected),
455 g_signal_connect (calendar, "day_selected_double_click",
456 G_CALLBACK (calendar_day_selected_double_click),
458 g_signal_connect (calendar, "prev_month",
459 G_CALLBACK (calendar_prev_month),
461 g_signal_connect (calendar, "next_month",
462 G_CALLBACK (calendar_next_month),
464 g_signal_connect (calendar, "prev_year",
465 G_CALLBACK (calendar_prev_year),
467 g_signal_connect (calendar, "next_year",
468 G_CALLBACK (calendar_next_year),
471 rpane = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, DEF_PAD_SMALL);
472 gtk_paned_pack2 (GTK_PANED (hpaned), rpane, FALSE, FALSE);
474 /* Build the right font-button */
476 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, DEF_PAD_SMALL);
477 frame = create_frame ("<b>Options</b>", vbox, 1, 0);
478 gtk_box_pack_start (GTK_BOX (rpane), frame, FALSE, TRUE, 0);
479 size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
481 gtk_widget_ensure_style (calendar);
482 style = gtk_widget_get_style (calendar);
483 font = pango_font_description_to_string (style->font_desc);
484 button = gtk_font_button_new_with_font (font);
487 g_signal_connect (button, "font-set",
488 G_CALLBACK(calendar_select_font),
491 label = gtk_label_new_with_mnemonic ("_Font:");
492 gtk_label_set_mnemonic_widget (GTK_LABEL (label), button);
493 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
494 gtk_size_group_add_widget (size, label);
496 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, DEF_PAD_SMALL);
497 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
498 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
499 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
501 /* Build the width entry */
503 button = gtk_spin_button_new_with_range (0, 127, 1);
504 gtk_spin_button_set_value (GTK_SPIN_BUTTON (button),
505 gtk_calendar_get_detail_width_chars (GTK_CALENDAR (calendar)));
507 g_signal_connect (button, "value-changed",
508 G_CALLBACK (detail_width_changed),
511 label = gtk_label_new_with_mnemonic ("Details W_idth:");
512 gtk_label_set_mnemonic_widget (GTK_LABEL (label), button);
513 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
514 gtk_size_group_add_widget (size, label);
516 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, DEF_PAD_SMALL);
517 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
518 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
519 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
521 /* Build the height entry */
523 button = gtk_spin_button_new_with_range (0, 127, 1);
524 gtk_spin_button_set_value (GTK_SPIN_BUTTON (button),
525 gtk_calendar_get_detail_height_rows (GTK_CALENDAR (calendar)));
527 g_signal_connect (button, "value-changed",
528 G_CALLBACK (detail_height_changed),
531 label = gtk_label_new_with_mnemonic ("Details H_eight:");
532 gtk_label_set_mnemonic_widget (GTK_LABEL (label), button);
533 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
534 gtk_size_group_add_widget (size, label);
536 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, DEF_PAD_SMALL);
537 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
538 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
539 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
541 /* Build the right details frame */
543 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, DEF_PAD_SMALL);
544 frame = create_frame ("<b>Details</b>", vbox, 1, 1);
545 gtk_box_pack_start (GTK_BOX (rpane), frame, FALSE, TRUE, 0);
547 details = gtk_text_view_new();
548 calendar_data.details_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (details));
550 calendar_data.details_changed = g_signal_connect (calendar_data.details_buffer, "changed",
551 G_CALLBACK (calendar_details_changed),
554 scroller = gtk_scrolled_window_new (NULL, NULL);
555 gtk_container_add (GTK_CONTAINER (scroller), details);
557 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroller),
559 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroller),
560 GTK_POLICY_AUTOMATIC,
561 GTK_POLICY_AUTOMATIC);
563 gtk_box_pack_start (GTK_BOX (vbox), scroller, FALSE, TRUE, 0);
565 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, DEF_PAD_SMALL);
566 align = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
567 gtk_container_add (GTK_CONTAINER (align), hbox);
568 gtk_box_pack_start (GTK_BOX (vbox), align, FALSE, TRUE, 0);
570 button = gtk_button_new_with_mnemonic ("Demonstrate _Details");
572 g_signal_connect_swapped (button,
574 G_CALLBACK (demonstrate_details),
577 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
579 button = gtk_button_new_with_mnemonic ("_Reset Details");
581 g_signal_connect_swapped (button,
583 G_CALLBACK (reset_details),
586 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
588 toggle = gtk_check_button_new_with_mnemonic ("_Use Details");
589 g_signal_connect (toggle, "toggled",
590 G_CALLBACK(calendar_toggle_details),
592 gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, TRUE, 0);
594 /* Build the Right frame with the flags in */
596 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 0);
597 frame = create_expander ("<b>Flags</b>", vbox, 1, 0);
598 gtk_box_pack_start (GTK_BOX (rpane), frame, TRUE, TRUE, 0);
600 for (i = 0; i < G_N_ELEMENTS (calendar_data.settings); i++)
602 toggle = gtk_check_button_new_with_mnemonic(flags[i].label);
603 gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, TRUE, 0);
604 calendar_data.flag_checkboxes[i] = toggle;
606 g_signal_connect (toggle, "toggled",
607 G_CALLBACK (calendar_toggle_flag),
610 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), flags[i].init);
614 * Build the Signal-event part.
617 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, TRUE, DEF_PAD_SMALL);
618 frame = create_frame ("<b>Signal Events</b>", vbox, 1, 0);
620 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 3);
621 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
622 label = gtk_label_new ("Signal:");
623 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
624 calendar_data.last_sig = gtk_label_new ("");
625 gtk_box_pack_start (GTK_BOX (hbox), calendar_data.last_sig, FALSE, TRUE, 0);
627 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 3);
628 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
629 label = gtk_label_new ("Previous signal:");
630 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
631 calendar_data.prev_sig = gtk_label_new ("");
632 gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev_sig, FALSE, TRUE, 0);
634 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 3);
635 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
636 label = gtk_label_new ("Second previous signal:");
637 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
638 calendar_data.prev2_sig = gtk_label_new ("");
639 gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev2_sig, FALSE, TRUE, 0);
642 * Glue everything together
645 bbox = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL);
646 gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END);
648 button = gtk_button_new_with_label ("Close");
649 g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
650 gtk_container_add (GTK_CONTAINER (bbox), button);
652 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, DEF_PAD_SMALL);
654 gtk_box_pack_start (GTK_BOX (vbox), hpaned,
656 gtk_box_pack_start (GTK_BOX (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL),
658 gtk_box_pack_start (GTK_BOX (vbox), frame,
660 gtk_box_pack_start (GTK_BOX (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL),
662 gtk_box_pack_start (GTK_BOX (vbox), bbox,
665 gtk_container_add (GTK_CONTAINER (window), vbox);
667 gtk_widget_set_can_default (button, TRUE);
668 gtk_widget_grab_default (button);
670 gtk_window_set_default_size (GTK_WINDOW (window), 600, 0);
671 gtk_widget_show_all (window);
678 gtk_init (&argc, &argv);
680 if (g_getenv ("GTK_RTL"))
681 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);