/* example-start calendar calendar.c */ /* * Copyright (C) 1998 Cesar Miquel, Shawn T. Amundson, Mattias Grönlund * Copyright (C) 2000 Tony Gale * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see . */ #include "config.h" #include #include #include #define DEF_PAD 12 #define DEF_PAD_SMALL 6 #define TM_YEAR_BASE 1900 typedef struct _CalendarData { GtkWidget *calendar_widget; GtkWidget *flag_checkboxes[6]; gboolean settings[6]; GtkWidget *font_dialog; GtkWidget *window; GtkWidget *prev2_sig; GtkWidget *prev_sig; GtkWidget *last_sig; GtkWidget *month; GHashTable *details_table; GtkTextBuffer *details_buffer; gulong details_changed; } CalendarData; enum { calendar_show_header, calendar_show_days, calendar_month_change, calendar_show_week, calendar_monday_first }; /* * GtkCalendar */ static void calendar_date_to_string (CalendarData *data, char *buffer, gint buff_len) { GDate *date; guint year, month, day; gtk_calendar_get_date (GTK_CALENDAR(data->window), &year, &month, &day); if (g_date_valid_dmy (day, month + 1, year)) { date = g_date_new_dmy (day, month + 1, year); g_date_strftime (buffer, buff_len-1, "%x", date); g_date_free (date); } else { g_snprintf (buffer, buff_len - 1, "%d/%d/%d (invalid)", month + 1, day, year); } } static void calendar_set_detail (CalendarData *data, guint year, guint month, guint day, gchar *detail) { gchar *key = g_strdup_printf ("%04d-%02d-%02d", year, month + 1, day); g_hash_table_replace (data->details_table, key, detail); } static gchar* calendar_get_detail (CalendarData *data, guint year, guint month, guint day) { const gchar *detail; gchar *key; key = g_strdup_printf ("%04d-%02d-%02d", year, month + 1, day); detail = g_hash_table_lookup (data->details_table, key); g_free (key); return (detail ? g_strdup (detail) : NULL); } static void calendar_update_details (CalendarData *data) { guint year, month, day; gchar *detail; gtk_calendar_get_date (GTK_CALENDAR (data->calendar_widget), &year, &month, &day); detail = calendar_get_detail (data, year, month, day); g_signal_handler_block (data->details_buffer, data->details_changed); gtk_text_buffer_set_text (data->details_buffer, detail ? detail : "", -1); g_signal_handler_unblock (data->details_buffer, data->details_changed); g_free (detail); } static void calendar_set_signal_strings (char *sig_str, CalendarData *data) { const gchar *prev_sig; prev_sig = gtk_label_get_text (GTK_LABEL (data->prev_sig)); gtk_label_set_text (GTK_LABEL (data->prev2_sig), prev_sig); prev_sig = gtk_label_get_text (GTK_LABEL (data->last_sig)); gtk_label_set_text (GTK_LABEL (data->prev_sig), prev_sig); gtk_label_set_text (GTK_LABEL (data->last_sig), sig_str); } static void calendar_month_changed (GtkWidget *widget, CalendarData *data) { char buffer[256] = "month_changed: "; calendar_date_to_string (data, buffer+15, 256-15); calendar_set_signal_strings (buffer, data); } static void calendar_day_selected (GtkWidget *widget, CalendarData *data) { char buffer[256] = "day_selected: "; calendar_date_to_string (data, buffer+14, 256-14); calendar_set_signal_strings (buffer, data); calendar_update_details (data); } static void calendar_day_selected_double_click (GtkWidget *widget, CalendarData *data) { char buffer[256] = "day_selected_double_click: "; guint day; calendar_date_to_string (data, buffer+27, 256-27); calendar_set_signal_strings (buffer, data); gtk_calendar_get_date (GTK_CALENDAR (data->window), NULL, NULL, &day); if (gtk_calendar_get_day_is_marked (GTK_CALENDAR (data->window), day)) gtk_calendar_unmark_day (GTK_CALENDAR (data->window), day); else gtk_calendar_mark_day (GTK_CALENDAR (data->window), day); } static void calendar_prev_month (GtkWidget *widget, CalendarData *data) { char buffer[256] = "prev_month: "; calendar_date_to_string (data, buffer+12, 256-12); calendar_set_signal_strings (buffer, data); } static void calendar_next_month (GtkWidget *widget, CalendarData *data) { char buffer[256] = "next_month: "; calendar_date_to_string (data, buffer+12, 256-12); calendar_set_signal_strings (buffer, data); } static void calendar_prev_year (GtkWidget *widget, CalendarData *data) { char buffer[256] = "prev_year: "; calendar_date_to_string (data, buffer+11, 256-11); calendar_set_signal_strings (buffer, data); } static void calendar_next_year (GtkWidget *widget, CalendarData *data) { char buffer[256] = "next_year: "; calendar_date_to_string (data, buffer+11, 256-11); calendar_set_signal_strings (buffer, data); } static void calendar_set_flags (CalendarData *calendar) { gint options = 0, i; for (i = 0; i < G_N_ELEMENTS (calendar->settings); i++) if (calendar->settings[i]) options=options + (1 << i); if (calendar->window) gtk_calendar_set_display_options (GTK_CALENDAR (calendar->window), options); } static void calendar_toggle_flag (GtkWidget *toggle, CalendarData *calendar) { gint i; for (i = 0; i < G_N_ELEMENTS (calendar->flag_checkboxes); i++) if (calendar->flag_checkboxes[i] == toggle) calendar->settings[i] = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle)); calendar_set_flags(calendar); } void calendar_select_font (GtkWidget *button, CalendarData *calendar) { const char *font = NULL; GtkCssProvider *provider; gchar *data; if (calendar->window) { provider = g_object_get_data (G_OBJECT (calendar->window), "css-provider"); if (!provider) { provider = gtk_css_provider_new (); gtk_style_context_add_provider (gtk_widget_get_style_context (calendar->window), GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); g_object_set_data_full (G_OBJECT (calendar->window), "css-provider", provider, g_object_unref); } font = gtk_font_chooser_get_font (GTK_FONT_CHOOSER (button)); data = g_strdup_printf ("GtkCalendar { font: %s; }", font); gtk_css_provider_load_from_data (provider, data, -1); g_free (data); } } static gchar* calendar_detail_cb (GtkCalendar *calendar, guint year, guint month, guint day, gpointer data) { return calendar_get_detail (data, year, month, day); } static void calendar_details_changed (GtkTextBuffer *buffer, CalendarData *data) { GtkTextIter start, end; guint year, month, day; gchar *detail; gtk_text_buffer_get_start_iter(buffer, &start); gtk_text_buffer_get_end_iter(buffer, &end); gtk_calendar_get_date (GTK_CALENDAR (data->calendar_widget), &year, &month, &day); detail = gtk_text_buffer_get_text (buffer, &start, &end, FALSE); if (!detail[0]) { g_free (detail); detail = NULL; } calendar_set_detail (data, year, month, day, detail); gtk_widget_queue_resize (data->calendar_widget); } static void demonstrate_details (CalendarData *data) { static char *rainbow[] = { "#900", "#980", "#390", "#095", "#059", "#309", "#908" }; GtkCalendar *calendar = GTK_CALENDAR (data->calendar_widget); guint year, month, day; gchar *detail; gtk_calendar_get_date (calendar, &year, &month, &day); for (day = 0; day < 29; ++day) { detail = g_strdup_printf ("yadda\n" "(%04d-%02d-%02d)", rainbow[(day - 1) % 7], year, month, day); calendar_set_detail (data, year, month, day, detail); } gtk_widget_queue_resize (data->calendar_widget); calendar_update_details (data); } static void reset_details (CalendarData *data) { g_hash_table_remove_all (data->details_table); gtk_widget_queue_resize (data->calendar_widget); calendar_update_details (data); } static void calendar_toggle_details (GtkWidget *widget, CalendarData *data) { if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) gtk_calendar_set_detail_func (GTK_CALENDAR (data->calendar_widget), calendar_detail_cb, data, NULL); else gtk_calendar_set_detail_func (GTK_CALENDAR (data->calendar_widget), NULL, NULL, NULL); } static GtkWidget* create_expander (const char *caption, GtkWidget *child, GtkAlign halign, GtkAlign valign) { GtkWidget *expander = gtk_expander_new (""); GtkWidget *label = gtk_expander_get_label_widget (GTK_EXPANDER (expander)); g_object_set (child, "margin-top", 6, "margin-bottom", 0, "margin-start", 18, "margin-end", 0, "halign", halign, "valign", valign, NULL); gtk_label_set_markup (GTK_LABEL (label), caption); gtk_container_add (GTK_CONTAINER (expander), child); return expander; } static GtkWidget* create_frame (const char *caption, GtkWidget *child, GtkAlign halign, GtkAlign valign) { GtkWidget *frame = gtk_frame_new (""); GtkWidget *label = gtk_frame_get_label_widget (GTK_FRAME (frame)); g_object_set (child, "margin-top", 6, "margin-bottom", 0, "margin-start", 18, "margin-end", 0, "halign", halign, "valign", valign, NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE); gtk_label_set_markup (GTK_LABEL (label), caption); gtk_container_add (GTK_CONTAINER (frame), child); return frame; } static void detail_width_changed (GtkSpinButton *button, CalendarData *data) { gint value = (gint) gtk_spin_button_get_value (button); gtk_calendar_set_detail_width_chars (GTK_CALENDAR (data->calendar_widget), value); } static void detail_height_changed (GtkSpinButton *button, CalendarData *data) { gint value = (gint) gtk_spin_button_get_value (button); gtk_calendar_set_detail_height_rows (GTK_CALENDAR (data->calendar_widget), value); } static void create_calendar(void) { static CalendarData calendar_data; GtkWidget *window, *hpaned, *vbox, *rpane, *hbox; GtkWidget *calendar, *toggle, *scroller, *button; GtkWidget *frame, *label, *bbox, *details; GtkSizeGroup *size; GtkStyleContext *context; PangoFontDescription *font_desc; gchar *font; gint i; struct { gboolean init; char *label; } flags[] = { { TRUE, "Show _Heading" }, { TRUE, "Show Day _Names" }, { FALSE, "No Month _Change" }, { TRUE, "Show _Week Numbers" }, { FALSE, "Week Start _Monday" }, { TRUE, "Show De_tails" }, }; calendar_data.window = NULL; calendar_data.font_dialog = NULL; calendar_data.details_table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); for (i = 0; i < G_N_ELEMENTS (calendar_data.settings); i++) calendar_data.settings[i] = 0; window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_set_hide_on_close (GTK_WINDOW (window), TRUE); gtk_window_set_title (GTK_WINDOW (window), "GtkCalendar Example"); g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL); hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL); /* Calendar widget */ calendar = gtk_calendar_new (); calendar_data.calendar_widget = calendar; frame = create_frame ("Calendar", calendar, GTK_ALIGN_CENTER, GTK_ALIGN_CENTER); gtk_paned_pack1 (GTK_PANED (hpaned), frame, TRUE, FALSE); calendar_data.window = calendar; calendar_set_flags(&calendar_data); gtk_calendar_mark_day (GTK_CALENDAR (calendar), 19); g_signal_connect (calendar, "month_changed", G_CALLBACK (calendar_month_changed), &calendar_data); g_signal_connect (calendar, "day_selected", G_CALLBACK (calendar_day_selected), &calendar_data); g_signal_connect (calendar, "day_selected_double_click", G_CALLBACK (calendar_day_selected_double_click), &calendar_data); g_signal_connect (calendar, "prev_month", G_CALLBACK (calendar_prev_month), &calendar_data); g_signal_connect (calendar, "next_month", G_CALLBACK (calendar_next_month), &calendar_data); g_signal_connect (calendar, "prev_year", G_CALLBACK (calendar_prev_year), &calendar_data); g_signal_connect (calendar, "next_year", G_CALLBACK (calendar_next_year), &calendar_data); rpane = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL); gtk_paned_pack2 (GTK_PANED (hpaned), rpane, FALSE, FALSE); /* Build the right font-button */ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL); frame = create_frame ("Options", vbox, GTK_ALIGN_FILL, GTK_ALIGN_CENTER); gtk_box_pack_start (GTK_BOX (rpane), frame); size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL); context = gtk_widget_get_style_context (calendar); gtk_style_context_get (context, GTK_STYLE_PROPERTY_FONT, &font_desc, NULL); font = pango_font_description_to_string (font_desc); button = gtk_font_button_new_with_font (font); g_free (font); pango_font_description_free (font_desc); g_signal_connect (button, "font-set", G_CALLBACK(calendar_select_font), &calendar_data); label = gtk_label_new_with_mnemonic ("_Font:"); gtk_label_set_mnemonic_widget (GTK_LABEL (label), button); gtk_widget_set_halign (label, GTK_ALIGN_START); gtk_widget_set_valign (label, GTK_ALIGN_CENTER); gtk_size_group_add_widget (size, label); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL); gtk_box_pack_start (GTK_BOX (hbox), label); gtk_box_pack_start (GTK_BOX (hbox), button); gtk_box_pack_start (GTK_BOX (vbox), hbox); /* Build the width entry */ button = gtk_spin_button_new_with_range (0, 127, 1); gtk_spin_button_set_value (GTK_SPIN_BUTTON (button), gtk_calendar_get_detail_width_chars (GTK_CALENDAR (calendar))); g_signal_connect (button, "value-changed", G_CALLBACK (detail_width_changed), &calendar_data); label = gtk_label_new_with_mnemonic ("Details W_idth:"); gtk_label_set_mnemonic_widget (GTK_LABEL (label), button); gtk_widget_set_halign (label, GTK_ALIGN_START); gtk_widget_set_valign (label, GTK_ALIGN_CENTER); gtk_size_group_add_widget (size, label); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL); gtk_box_pack_start (GTK_BOX (hbox), label); gtk_box_pack_start (GTK_BOX (hbox), button); gtk_box_pack_start (GTK_BOX (vbox), hbox); /* Build the height entry */ button = gtk_spin_button_new_with_range (0, 127, 1); gtk_spin_button_set_value (GTK_SPIN_BUTTON (button), gtk_calendar_get_detail_height_rows (GTK_CALENDAR (calendar))); g_signal_connect (button, "value-changed", G_CALLBACK (detail_height_changed), &calendar_data); label = gtk_label_new_with_mnemonic ("Details H_eight:"); gtk_label_set_mnemonic_widget (GTK_LABEL (label), button); gtk_widget_set_halign (label, GTK_ALIGN_START); gtk_widget_set_valign (label, GTK_ALIGN_CENTER); gtk_size_group_add_widget (size, label); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL); gtk_box_pack_start (GTK_BOX (hbox), label); gtk_box_pack_start (GTK_BOX (hbox), button); gtk_box_pack_start (GTK_BOX (vbox), hbox); /* Build the right details frame */ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL); frame = create_frame ("Details", vbox, GTK_ALIGN_FILL, GTK_ALIGN_FILL); gtk_box_pack_start (GTK_BOX (rpane), frame); details = gtk_text_view_new(); calendar_data.details_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (details)); calendar_data.details_changed = g_signal_connect (calendar_data.details_buffer, "changed", G_CALLBACK (calendar_details_changed), &calendar_data); scroller = gtk_scrolled_window_new (NULL, NULL); gtk_container_add (GTK_CONTAINER (scroller), details); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroller), GTK_SHADOW_IN); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroller), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_box_pack_start (GTK_BOX (vbox), scroller); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, DEF_PAD_SMALL); gtk_widget_set_halign (hbox, GTK_ALIGN_START); gtk_widget_set_valign (hbox, GTK_ALIGN_CENTER); gtk_box_pack_start (GTK_BOX (vbox), hbox); button = gtk_button_new_with_mnemonic ("Demonstrate _Details"); g_signal_connect_swapped (button, "clicked", G_CALLBACK (demonstrate_details), &calendar_data); gtk_box_pack_start (GTK_BOX (hbox), button); button = gtk_button_new_with_mnemonic ("_Reset Details"); g_signal_connect_swapped (button, "clicked", G_CALLBACK (reset_details), &calendar_data); gtk_box_pack_start (GTK_BOX (hbox), button); toggle = gtk_check_button_new_with_mnemonic ("_Use Details"); g_signal_connect (toggle, "toggled", G_CALLBACK(calendar_toggle_details), &calendar_data); gtk_box_pack_start (GTK_BOX (vbox), toggle); /* Build the Right frame with the flags in */ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); frame = create_expander ("Flags", vbox, GTK_ALIGN_FILL, GTK_ALIGN_CENTER); gtk_box_pack_start (GTK_BOX (rpane), frame); for (i = 0; i < G_N_ELEMENTS (calendar_data.settings); i++) { toggle = gtk_check_button_new_with_mnemonic(flags[i].label); gtk_box_pack_start (GTK_BOX (vbox), toggle); calendar_data.flag_checkboxes[i] = toggle; g_signal_connect (toggle, "toggled", G_CALLBACK (calendar_toggle_flag), &calendar_data); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), flags[i].init); } /* * Build the Signal-event part. */ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL); gtk_box_set_homogeneous (GTK_BOX (vbox), TRUE); frame = create_frame ("Signal Events", vbox, GTK_ALIGN_FILL, GTK_ALIGN_CENTER); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3); gtk_box_pack_start (GTK_BOX (vbox), hbox); label = gtk_label_new ("Signal:"); gtk_box_pack_start (GTK_BOX (hbox), label); calendar_data.last_sig = gtk_label_new (""); gtk_box_pack_start (GTK_BOX (hbox), calendar_data.last_sig); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3); gtk_box_pack_start (GTK_BOX (vbox), hbox); label = gtk_label_new ("Previous signal:"); gtk_box_pack_start (GTK_BOX (hbox), label); calendar_data.prev_sig = gtk_label_new (""); gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev_sig); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3); gtk_box_pack_start (GTK_BOX (vbox), hbox); label = gtk_label_new ("Second previous signal:"); gtk_box_pack_start (GTK_BOX (hbox), label); calendar_data.prev2_sig = gtk_label_new (""); gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev2_sig); /* * Glue everything together */ bbox = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL); gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END); button = gtk_button_new_with_label ("Close"); g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL); gtk_container_add (GTK_CONTAINER (bbox), button); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, DEF_PAD_SMALL); gtk_box_pack_start (GTK_BOX (vbox), hpaned); gtk_box_pack_start (GTK_BOX (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL)); gtk_box_pack_start (GTK_BOX (vbox), frame); gtk_box_pack_start (GTK_BOX (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL)); gtk_box_pack_start (GTK_BOX (vbox), bbox); gtk_container_add (GTK_CONTAINER (window), vbox); gtk_widget_set_can_default (button, TRUE); gtk_widget_grab_default (button); gtk_window_set_default_size (GTK_WINDOW (window), 600, 0); gtk_widget_show (window); } int main(int argc, char *argv[] ) { gtk_init (); if (g_getenv ("GTK_RTL")) gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL); create_calendar(); gtk_main(); return(0); } /* example-end */