gtk/gtkcalendar.c: examples/calendar: Added gtkcalendar widget and demo

Sun Sep 27 02:18:06 CDT 1998 Shawn T. Amundson <amundson@gtk.org>

        * gtk/gtkcalendar.h:
          gtk/gtkcalendar.c:
          examples/calendar: Added gtkcalendar widget and demo

2 files changed, 374 insertions, 0 deletions

diff --git a/examples/calendar/Makefile b/examples/calendar/Makefile
new file mode 100644
index 000000000..eb3a3306b
--- /dev/null
+++ b/examples/calendar/Makefile
@@ -0,0 +1,8 @@
+
+CC = gcc
+
+gcalendar: gcalendar.c
+	$(CC) `gtk-config --cflags` `gtk-config --libs` gcalendar.c -o gcalendar
+
+clean: 
+	rm -f gcalendar
diff --git a/examples/calendar/gcalendar.c b/examples/calendar/gcalendar.c
new file mode 100644
index 000000000..d62a51050
--- /dev/null
+++ b/examples/calendar/gcalendar.c
@@ -0,0 +1,366 @@
+/* G Calendar
+ * Copyright (C) 1998 Cesar Miquel, Shawn T. Amundson, Mattias Grönlund
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <gtk/gtk.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#define DEF_PAD 10
+#define DEF_PAD_SMALL 5
+
+#define TM_YEAR_BASE 1900
+
+
+typedef struct _CalendarData {
+  GtkWidget *flag_checkboxes[5];
+  gboolean  settings[5];
+  gchar     *font;
+  GtkWidget *font_dialog;
+  GtkWidget *window;
+  GtkWidget *selected;
+  GtkWidget *selected_double_click;
+  GtkWidget *month;
+} CalendarData;
+
+void create_calendar();
+gint delete_event(GtkWidget *widget, GdkEvent *event, gpointer data);
+void destroy (GtkWidget *widget, gpointer data);
+void day_selected_double_click (GtkWidget *widget, gpointer data);
+int main(int argc, char *argv[]);
+void calendar_month_changed (GtkWidget *widget, CalendarData *data);
+void calendar_day_selected (GtkWidget *widget, CalendarData *data);
+void calendar_day_selected_double_click (GtkWidget *widget, CalendarData *data);
+
+
+void calendar_set_flags(CalendarData *calendar);
+void calendar_toggle_flag(GtkWidget * toggle, CalendarData *calendar);
+void calendar_font_selection_ok(GtkWidget * button, CalendarData *calendar);
+void calendar_font_selection_destroy(GtkWidget * button, GtkWidget widget);
+void calendar_select_font(GtkWidget * button, CalendarData *calendar);
+void calendar_create_window_destroy(GtkWidget * ignore, CalendarData *calendar);
+void calendar_create_window(GtkWidget * ignored, CalendarData * calendar);
+void calendar_window_destroy(GtkWidget * ignore, CalendarData *calendar);
+void create_calendar();
+
+/*
+ * GtkCalendar
+ */
+
+void
+calendar_month_changed (GtkWidget *widget, CalendarData *data)
+{
+  char buffer[256];
+  struct tm tm;
+  time_t time;
+  memset (&tm, 0, sizeof (tm));
+  gtk_calendar_get_date (GTK_CALENDAR(data->window), &tm.tm_year, &tm.tm_mon, &tm.tm_mday);
+  tm.tm_year -= TM_YEAR_BASE;
+  time = mktime(&tm);
+  strftime (buffer, 255, "%x", gmtime(&time));
+  gtk_label_set (GTK_LABEL (data->month), buffer);
+}
+
+void
+calendar_day_selected (GtkWidget *widget, CalendarData *data)
+{
+  char buffer[256];
+  struct tm tm;
+  time_t time;
+  memset (&tm, 0, sizeof (tm));
+  gtk_calendar_get_date (GTK_CALENDAR(data->window), &tm.tm_year, &tm.tm_mon, &tm.tm_mday);
+  tm.tm_year -= TM_YEAR_BASE;
+  time = mktime(&tm);
+  strftime (buffer, 255, "%x", gmtime(&time));
+  gtk_label_set (GTK_LABEL (data->selected), buffer);
+}
+
+void
+calendar_day_selected_double_click (GtkWidget *widget, CalendarData *data)
+{
+  char buffer[256];
+  struct tm tm;
+  time_t time;
+  memset (&tm, 0, sizeof (tm));
+  gtk_calendar_get_date (GTK_CALENDAR(data->window), &tm.tm_year, &tm.tm_mon, &tm.tm_mday);
+  tm.tm_year -= TM_YEAR_BASE;
+  time = mktime(&tm);
+  strftime (buffer, 255, "%x", gmtime(&time));
+  gtk_label_set (GTK_LABEL (data->selected_double_click), buffer);
+}
+
+enum {
+  calendar_show_header,
+  calendar_show_days,
+  calendar_month_change, 
+  calendar_show_week,
+  calendar_monday_first
+};
+
+void
+calendar_set_flags(CalendarData *calendar)
+{
+  gint i;
+  gint options=0;
+  for (i=0;i<5;i++) 
+    if (calendar->settings[i])
+      {
+	options=options + (1<<i);
+      }
+  if (calendar->window)
+    gtk_calendar_display_options (GTK_CALENDAR (calendar->window), options);
+}
+
+void 
+calendar_toggle_flag(GtkWidget * toggle, CalendarData *calendar)
+{
+  gint i;
+  gint j;
+  j=0;
+  for (i=0; i<5; i++)
+    if (calendar->flag_checkboxes[i] == toggle)
+      j = i;
+
+  calendar->settings[j]=!calendar->settings[j];
+  calendar_set_flags(calendar);
+  
+}
+#ifdef GTK_HAVE_FEATURES_1_1_0
+void
+calendar_font_selection_ok(GtkWidget * button, CalendarData *calendar)
+{
+  GtkStyle *style;
+  GdkFont  *font;
+
+  calendar->font = gtk_font_selection_dialog_get_font_name (GTK_FONT_SELECTION_DIALOG (calendar->font_dialog));
+  if (calendar->window)
+    {
+      font = gtk_font_selection_dialog_get_font(GTK_FONT_SELECTION_DIALOG(calendar->font_dialog));
+      if (font) 
+	{
+	  style = gtk_style_copy (gtk_widget_get_style (calendar->window));
+	  gdk_font_unref (style->font);
+	  style->font = font;
+	  gdk_font_ref (style->font);
+	  gtk_widget_set_style (calendar->window, style);
+	}
+    }
+}
+
+void
+calendar_select_font(GtkWidget * button, CalendarData *calendar)
+{
+  GtkWidget *window;
+
+  if (!calendar->font_dialog) {
+    window = gtk_font_selection_dialog_new ("Font Selection Dialog");
+    g_return_if_fail(GTK_IS_FONT_SELECTION_DIALOG(window));
+    calendar->font_dialog = window;
+    
+    gtk_window_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);
+    
+    gtk_signal_connect (GTK_OBJECT (window), "destroy",
+			GTK_SIGNAL_FUNC (gtk_widget_destroyed),
+			&calendar->font_dialog);
+    
+    gtk_signal_connect (GTK_OBJECT (GTK_FONT_SELECTION_DIALOG (window)->ok_button),
+			"clicked", GTK_SIGNAL_FUNC(calendar_font_selection_ok),
+			calendar);
+    gtk_signal_connect_object (GTK_OBJECT (GTK_FONT_SELECTION_DIALOG (window)->cancel_button),
+			       "clicked",
+			       GTK_SIGNAL_FUNC (gtk_widget_destroy), 
+			       GTK_OBJECT (calendar->font_dialog));
+  }
+  window=calendar->font_dialog;
+  if (!GTK_WIDGET_VISIBLE (window))
+    gtk_widget_show (window);
+  else
+    gtk_widget_destroy (window);
+
+}
+#endif /* GTK_HAVE_FEATURES_1_1_0 */
+
+void 
+create_calendar()
+{
+  GtkWidget *window;
+  GtkWidget *vbox, *vbox2, *vbox3;
+  GtkWidget *hbox;
+  GtkWidget *hbbox;
+  GtkWidget *calendar;
+  GtkWidget *toggle;
+  GtkWidget *button;
+  GtkWidget *frame;
+  GtkWidget *separator;
+  GtkWidget *label;
+  GtkWidget *bbox;
+  static CalendarData calendar_data;
+  gint i;
+  
+  struct {
+    char *label;
+  } flags[] =
+    {
+      { "Show Heading" },
+      { "Show Day Names" },
+      { "No Month Change" },
+      { "Show Week Numbers" },
+      { "Week Start Monday" }
+    };
+
+  
+  calendar_data.window = NULL;
+  calendar_data.font = NULL;
+  calendar_data.font_dialog = NULL;
+
+  for (i=0; i<5; i++) {
+    calendar_data.settings[i]=0;
+  }
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  gtk_container_border_width (GTK_CONTAINER (window), 5);
+  gtk_signal_connect(GTK_OBJECT(window), "destroy",
+		     GTK_SIGNAL_FUNC(gtk_main_quit),
+		     NULL);
+  gtk_signal_connect(GTK_OBJECT(window), "delete-event",
+		     GTK_SIGNAL_FUNC(gtk_false),
+		     NULL);
+
+  gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, TRUE);
+
+  vbox = gtk_vbox_new(FALSE, DEF_PAD);
+  gtk_container_add (GTK_CONTAINER (window), vbox);
+
+  /*
+   * The top part of the window, Calendar, flags and fontsel.
+   */
+
+  hbox = gtk_hbox_new(FALSE, DEF_PAD);
+  gtk_box_pack_start (GTK_BOX(vbox), hbox, TRUE, TRUE, DEF_PAD);
+  hbbox = gtk_hbutton_box_new();
+  gtk_box_pack_start(GTK_BOX(hbox), hbbox, FALSE, FALSE, DEF_PAD);
+  gtk_button_box_set_layout(GTK_BUTTON_BOX(hbbox), GTK_BUTTONBOX_SPREAD);
+  gtk_button_box_set_spacing(GTK_BUTTON_BOX(hbbox), 5);
+
+  /* Calendar widget */
+  frame = gtk_frame_new("Calendar");
+  gtk_box_pack_start(GTK_BOX(hbbox), frame, TRUE, TRUE, DEF_PAD);
+  calendar=gtk_calendar_new();
+  calendar_data.window = calendar;
+  calendar_set_flags(&calendar_data);
+  gtk_calendar_mark_day ( GTK_CALENDAR(calendar), 19);	
+  gtk_container_add( GTK_CONTAINER( frame), calendar);
+  gtk_signal_connect (GTK_OBJECT (calendar), "month_changed", 
+                      GTK_SIGNAL_FUNC (calendar_month_changed),
+		      &calendar_data);
+  gtk_signal_connect (GTK_OBJECT (calendar), "day_selected", 
+                      GTK_SIGNAL_FUNC (calendar_day_selected),
+		      &calendar_data);
+  gtk_signal_connect (GTK_OBJECT (calendar), "day_selected_double_click", 
+                      GTK_SIGNAL_FUNC (calendar_day_selected_double_click),
+		      &calendar_data);
+
+
+  separator = gtk_vseparator_new ();
+  gtk_box_pack_start (GTK_BOX (hbox), separator, FALSE, TRUE, 0);
+
+  vbox2 = gtk_vbox_new(FALSE, DEF_PAD);
+  gtk_box_pack_start(GTK_BOX(hbox), vbox2, FALSE, FALSE, DEF_PAD);
+  
+  /* Build the Right frame with the flags in */ 
+
+  frame = gtk_frame_new("Flags");
+  gtk_box_pack_start(GTK_BOX(vbox2), frame, TRUE, TRUE, DEF_PAD);
+  vbox3 = gtk_vbox_new(TRUE, DEF_PAD_SMALL);
+  gtk_container_add(GTK_CONTAINER(frame), vbox3);
+
+  for (i = 0; i < 5; i++)
+    {
+      toggle = gtk_check_button_new_with_label(flags[i].label);
+      gtk_signal_connect (GTK_OBJECT (toggle),
+			    "toggled",
+			    GTK_SIGNAL_FUNC(calendar_toggle_flag),
+			    &calendar_data);
+      gtk_box_pack_start (GTK_BOX (vbox3), toggle, TRUE, TRUE, 0);
+      calendar_data.flag_checkboxes[i]=toggle;
+    }
+#ifdef GTK_HAVE_FEATURES_1_1_0
+  /* Build the right font-button */ 
+  button = gtk_button_new_with_label("Font...");
+  gtk_signal_connect (GTK_OBJECT (button),
+		      "clicked",
+		      GTK_SIGNAL_FUNC(calendar_select_font),
+		      &calendar_data);
+  gtk_box_pack_start (GTK_BOX (vbox2), button, FALSE, FALSE, 0);
+#endif /* GTK_HAVE_FEATURES_1_1_0 */
+
+  /*
+   *  Build the Signal-event part.
+   */
+
+  frame = gtk_frame_new("Signal events");
+  gtk_box_pack_start(GTK_BOX(vbox), frame, TRUE, TRUE, DEF_PAD);
+  vbox2 = gtk_vbox_new(TRUE, DEF_PAD_SMALL);
+  gtk_container_add(GTK_CONTAINER(frame), vbox2);
+  
+  hbox = gtk_hbox_new (FALSE, 5);
+  gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0);
+  label = gtk_label_new ("Day selected:");
+  gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
+  calendar_data.selected = gtk_label_new ("");
+  gtk_box_pack_start (GTK_BOX (hbox), calendar_data.selected, FALSE, TRUE, 0);
+
+  hbox = gtk_hbox_new (FALSE, 5);
+  gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0);
+  label = gtk_label_new ("Day selected double click:");
+  gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
+  calendar_data.selected_double_click = gtk_label_new ("");
+  gtk_box_pack_start (GTK_BOX (hbox), calendar_data.selected_double_click, FALSE, TRUE, 0);
+
+  hbox = gtk_hbox_new (FALSE, 5);
+  gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0);
+  label = gtk_label_new ("Month change:"); 
+  gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
+  calendar_data.month = gtk_label_new ("");
+  gtk_box_pack_start (GTK_BOX (hbox), calendar_data.month, FALSE, TRUE, 0);
+  
+  bbox = gtk_hbutton_box_new ();
+  gtk_box_pack_start (GTK_BOX (vbox), bbox, FALSE, FALSE, 0);
+  gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END);
+
+  button = gtk_button_new_with_label ("Close");
+  gtk_signal_connect (GTK_OBJECT (button), "clicked", 
+		      GTK_SIGNAL_FUNC (gtk_main_quit), 
+		      NULL);
+  gtk_container_add (GTK_CONTAINER (bbox), button);
+  GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
+  gtk_widget_grab_default (button);
+
+  gtk_widget_show_all(window);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  gtk_set_locale ();
+  gtk_init (&argc, &argv);
+  create_calendar();
+  gtk_main ();
+  return 0;
+}