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;
246 PangoFontDescription *font_desc;
248 if (calendar->window)
250 font = gtk_font_button_get_font_name (GTK_FONT_BUTTON (button));
251 font_desc = pango_font_description_from_string (font);
252 gtk_widget_override_font (calendar->window, font_desc);
253 pango_font_description_free (font_desc);
258 calendar_detail_cb (GtkCalendar *calendar,
264 return calendar_get_detail (data, year, month, day);
268 calendar_details_changed (GtkTextBuffer *buffer,
271 GtkTextIter start, end;
272 guint year, month, day;
275 gtk_text_buffer_get_start_iter(buffer, &start);
276 gtk_text_buffer_get_end_iter(buffer, &end);
278 gtk_calendar_get_date (GTK_CALENDAR (data->calendar_widget), &year, &month, &day);
279 detail = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
287 calendar_set_detail (data, year, month, day, detail);
288 gtk_widget_queue_resize (data->calendar_widget);
292 demonstrate_details (CalendarData *data)
294 static char *rainbow[] = { "#900", "#980", "#390", "#095", "#059", "#309", "#908" };
295 GtkCalendar *calendar = GTK_CALENDAR (data->calendar_widget);
296 guint year, month, day;
299 gtk_calendar_get_date (calendar,
300 &year, &month, &day);
302 for (day = 0; day < 29; ++day)
304 detail = g_strdup_printf ("<span color='%s'>yadda\n"
305 "(%04d-%02d-%02d)</span>",
306 rainbow[(day - 1) % 7], year, month, day);
307 calendar_set_detail (data, year, month, day, detail);
310 gtk_widget_queue_resize (data->calendar_widget);
311 calendar_update_details (data);
315 reset_details (CalendarData *data)
317 g_hash_table_remove_all (data->details_table);
318 gtk_widget_queue_resize (data->calendar_widget);
319 calendar_update_details (data);
323 calendar_toggle_details (GtkWidget *widget,
326 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
327 gtk_calendar_set_detail_func (GTK_CALENDAR (data->calendar_widget),
328 calendar_detail_cb, data, NULL);
330 gtk_calendar_set_detail_func (GTK_CALENDAR (data->calendar_widget),
335 create_expander (const char *caption,
340 GtkWidget *expander = gtk_expander_new ("");
341 GtkWidget *label = gtk_expander_get_label_widget (GTK_EXPANDER (expander));
342 GtkWidget *align = gtk_alignment_new (0, 0, xscale, yscale);
344 gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 0, 18, 0);
345 gtk_label_set_markup (GTK_LABEL (label), caption);
347 gtk_container_add (GTK_CONTAINER (expander), align);
348 gtk_container_add (GTK_CONTAINER (align), child);
354 create_frame (const char *caption,
359 GtkWidget *frame = gtk_frame_new ("");
360 GtkWidget *label = gtk_frame_get_label_widget (GTK_FRAME (frame));
361 GtkWidget *align = gtk_alignment_new (0, 0, xscale, yscale);
363 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
364 gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 0, 18, 0);
365 gtk_label_set_markup (GTK_LABEL (label), caption);
367 gtk_container_add (GTK_CONTAINER (frame), align);
368 gtk_container_add (GTK_CONTAINER (align), child);
374 detail_width_changed (GtkSpinButton *button,
377 gint value = (gint) gtk_spin_button_get_value (button);
378 gtk_calendar_set_detail_width_chars (GTK_CALENDAR (data->calendar_widget), value);
382 detail_height_changed (GtkSpinButton *button,
385 gint value = (gint) gtk_spin_button_get_value (button);
386 gtk_calendar_set_detail_height_rows (GTK_CALENDAR (data->calendar_widget), value);
390 create_calendar(void)
392 static CalendarData calendar_data;
394 GtkWidget *window, *hpaned, *vbox, *rpane, *hbox;
395 GtkWidget *calendar, *toggle, *scroller, *button;
396 GtkWidget *frame, *label, *bbox, *align, *details;
399 GtkStyleContext *context;
400 PangoFontDescription *font_desc;
409 { TRUE, "Show _Heading" },
410 { TRUE, "Show Day _Names" },
411 { FALSE, "No Month _Change" },
412 { TRUE, "Show _Week Numbers" },
413 { FALSE, "Week Start _Monday" },
414 { TRUE, "Show De_tails" },
417 calendar_data.window = NULL;
418 calendar_data.font_dialog = NULL;
419 calendar_data.details_table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
421 for (i = 0; i < G_N_ELEMENTS (calendar_data.settings); i++)
422 calendar_data.settings[i] = 0;
424 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
425 gtk_window_set_title (GTK_WINDOW (window), "GtkCalendar Example");
426 gtk_container_set_border_width (GTK_CONTAINER (window), 12);
427 g_signal_connect (window, "destroy",
428 G_CALLBACK (gtk_main_quit),
430 g_signal_connect (window, "delete-event",
431 G_CALLBACK (gtk_false),
434 hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
436 /* Calendar widget */
438 calendar = gtk_calendar_new ();
439 calendar_data.calendar_widget = calendar;
440 frame = create_frame ("<b>Calendar</b>", calendar, 0, 0);
441 gtk_paned_pack1 (GTK_PANED (hpaned), frame, TRUE, FALSE);
443 calendar_data.window = calendar;
444 calendar_set_flags(&calendar_data);
445 gtk_calendar_mark_day (GTK_CALENDAR (calendar), 19);
447 g_signal_connect (calendar, "month_changed",
448 G_CALLBACK (calendar_month_changed),
450 g_signal_connect (calendar, "day_selected",
451 G_CALLBACK (calendar_day_selected),
453 g_signal_connect (calendar, "day_selected_double_click",
454 G_CALLBACK (calendar_day_selected_double_click),
456 g_signal_connect (calendar, "prev_month",
457 G_CALLBACK (calendar_prev_month),
459 g_signal_connect (calendar, "next_month",
460 G_CALLBACK (calendar_next_month),
462 g_signal_connect (calendar, "prev_year",
463 G_CALLBACK (calendar_prev_year),
465 g_signal_connect (calendar, "next_year",
466 G_CALLBACK (calendar_next_year),
469 rpane = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL);
470 gtk_paned_pack2 (GTK_PANED (hpaned), rpane, FALSE, FALSE);
472 /* Build the right font-button */
474 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL);
475 frame = create_frame ("<b>Options</b>", vbox, 1, 0);
476 gtk_box_pack_start (GTK_BOX (rpane), frame, FALSE, TRUE, 0);
477 size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
479 context = gtk_widget_get_style_context (calendar);
480 gtk_style_context_get (context, 0, "font", &font_desc, NULL);
481 font = pango_font_description_to_string (font_desc);
482 button = gtk_font_button_new_with_font (font);
483 pango_font_description_free (font_desc);
486 g_signal_connect (button, "font-set",
487 G_CALLBACK(calendar_select_font),
490 label = gtk_label_new_with_mnemonic ("_Font:");
491 gtk_label_set_mnemonic_widget (GTK_LABEL (label), button);
492 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
493 gtk_size_group_add_widget (size, label);
495 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL);
496 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
497 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
498 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
500 /* Build the width entry */
502 button = gtk_spin_button_new_with_range (0, 127, 1);
503 gtk_spin_button_set_value (GTK_SPIN_BUTTON (button),
504 gtk_calendar_get_detail_width_chars (GTK_CALENDAR (calendar)));
506 g_signal_connect (button, "value-changed",
507 G_CALLBACK (detail_width_changed),
510 label = gtk_label_new_with_mnemonic ("Details W_idth:");
511 gtk_label_set_mnemonic_widget (GTK_LABEL (label), button);
512 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
513 gtk_size_group_add_widget (size, label);
515 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL);
516 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
517 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
518 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
520 /* Build the height entry */
522 button = gtk_spin_button_new_with_range (0, 127, 1);
523 gtk_spin_button_set_value (GTK_SPIN_BUTTON (button),
524 gtk_calendar_get_detail_height_rows (GTK_CALENDAR (calendar)));
526 g_signal_connect (button, "value-changed",
527 G_CALLBACK (detail_height_changed),
530 label = gtk_label_new_with_mnemonic ("Details H_eight:");
531 gtk_label_set_mnemonic_widget (GTK_LABEL (label), button);
532 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
533 gtk_size_group_add_widget (size, label);
535 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL);
536 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
537 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
538 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
540 /* Build the right details frame */
542 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL);
543 frame = create_frame ("<b>Details</b>", vbox, 1, 1);
544 gtk_box_pack_start (GTK_BOX (rpane), frame, FALSE, TRUE, 0);
546 details = gtk_text_view_new();
547 calendar_data.details_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (details));
549 calendar_data.details_changed = g_signal_connect (calendar_data.details_buffer, "changed",
550 G_CALLBACK (calendar_details_changed),
553 scroller = gtk_scrolled_window_new (NULL, NULL);
554 gtk_container_add (GTK_CONTAINER (scroller), details);
556 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroller),
558 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroller),
559 GTK_POLICY_AUTOMATIC,
560 GTK_POLICY_AUTOMATIC);
562 gtk_box_pack_start (GTK_BOX (vbox), scroller, FALSE, TRUE, 0);
564 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL);
565 align = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
566 gtk_container_add (GTK_CONTAINER (align), hbox);
567 gtk_box_pack_start (GTK_BOX (vbox), align, FALSE, TRUE, 0);
569 button = gtk_button_new_with_mnemonic ("Demonstrate _Details");
571 g_signal_connect_swapped (button,
573 G_CALLBACK (demonstrate_details),
576 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
578 button = gtk_button_new_with_mnemonic ("_Reset Details");
580 g_signal_connect_swapped (button,
582 G_CALLBACK (reset_details),
585 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
587 toggle = gtk_check_button_new_with_mnemonic ("_Use Details");
588 g_signal_connect (toggle, "toggled",
589 G_CALLBACK(calendar_toggle_details),
591 gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, TRUE, 0);
593 /* Build the Right frame with the flags in */
595 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
596 frame = create_expander ("<b>Flags</b>", vbox, 1, 0);
597 gtk_box_pack_start (GTK_BOX (rpane), frame, TRUE, TRUE, 0);
599 for (i = 0; i < G_N_ELEMENTS (calendar_data.settings); i++)
601 toggle = gtk_check_button_new_with_mnemonic(flags[i].label);
602 gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, TRUE, 0);
603 calendar_data.flag_checkboxes[i] = toggle;
605 g_signal_connect (toggle, "toggled",
606 G_CALLBACK (calendar_toggle_flag),
609 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), flags[i].init);
613 * Build the Signal-event part.
616 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL);
617 gtk_box_set_homogeneous (GTK_BOX (vbox), TRUE);
618 frame = create_frame ("<b>Signal Events</b>", vbox, 1, 0);
620 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 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, 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, 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, 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);