From 2444c80ff76ee2d04fc66fcdf1ba09885912b5fe Mon Sep 17 00:00:00 2001 From: GMT 2000 Tony Gale Date: Wed, 23 Feb 2000 10:59:21 +0000 Subject: New section on GtkCalendar Update example code Wed Feb 23 10:54:14 GMT 2000 Tony Gale * docs/gtk_tut.sgml: New section on GtkCalendar * examples/calendar: Update example code --- examples/calendar/calendar.c | 424 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 424 insertions(+) create mode 100644 examples/calendar/calendar.c (limited to 'examples/calendar/calendar.c') diff --git a/examples/calendar/calendar.c b/examples/calendar/calendar.c new file mode 100644 index 0000000000..42cae57f0b --- /dev/null +++ b/examples/calendar/calendar.c @@ -0,0 +1,424 @@ +/* example-start calendar calendar.c */ +/* + * Copyright (C) 1998 Cesar Miquel, Shawn T. Amundson, Mattias Grönlund + * Copyright (C) 2000 Tony Gale + * + * 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 +#include +#include +#include + +#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 *prev2_sig; + GtkWidget *prev_sig; + GtkWidget *last_sig; + GtkWidget *month; +} CalendarData; + +enum { + calendar_show_header, + calendar_show_days, + calendar_month_change, + calendar_show_week, + calendar_monday_first +}; + +/* + * GtkCalendar + */ + +void calendar_date_to_string( CalendarData *data, + char *buffer, + gint buff_len ) +{ + 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, buff_len-1, "%x", gmtime(&time)); +} + +void calendar_set_signal_strings( char *sig_str, + CalendarData *data) +{ + gchar *prev_sig; + + gtk_label_get (GTK_LABEL (data->prev_sig), &prev_sig); + gtk_label_set (GTK_LABEL (data->prev2_sig), prev_sig); + + gtk_label_get (GTK_LABEL (data->last_sig), &prev_sig); + gtk_label_set (GTK_LABEL (data->prev_sig), prev_sig); + gtk_label_set (GTK_LABEL (data->last_sig), sig_str); +} + +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); +} + +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); +} + +void calendar_day_selected_double_click( GtkWidget *widget, + CalendarData *data ) +{ + struct tm tm; + char buffer[256] = "day_selected_double_click: "; + + calendar_date_to_string (data, buffer+27, 256-27); + calendar_set_signal_strings (buffer, data); + + 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; + + if(GTK_CALENDAR(data->window)->marked_date[tm.tm_mday-1] == 0) { + gtk_calendar_mark_day(GTK_CALENDAR(data->window),tm.tm_mday); + } else { + gtk_calendar_unmark_day(GTK_CALENDAR(data->window),tm.tm_mday); + } +} + +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); +} + +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); +} + +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); +} + +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); +} + + +void calendar_set_flags( CalendarData *calendar ) +{ + gint i; + gint options=0; + for (i=0;i<5;i++) + if (calendar->settings[i]) + { + options=options + (1<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); + +} + +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); + +} + +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_window_set_title(GTK_WINDOW(window), "GtkCalendar Example"); + 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, FALSE, 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); + gtk_signal_connect (GTK_OBJECT (calendar), "prev_month", + GTK_SIGNAL_FUNC (calendar_prev_month), + &calendar_data); + gtk_signal_connect (GTK_OBJECT (calendar), "next_month", + GTK_SIGNAL_FUNC (calendar_next_month), + &calendar_data); + gtk_signal_connect (GTK_OBJECT (calendar), "prev_year", + GTK_SIGNAL_FUNC (calendar_prev_year), + &calendar_data); + gtk_signal_connect (GTK_OBJECT (calendar), "next_year", + GTK_SIGNAL_FUNC (calendar_next_year), + &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; + } + /* 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); + + /* + * 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, 3); + gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0); + label = gtk_label_new ("Signal:"); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0); + calendar_data.last_sig = gtk_label_new (""); + gtk_box_pack_start (GTK_BOX (hbox), calendar_data.last_sig, FALSE, TRUE, 0); + + hbox = gtk_hbox_new (FALSE, 3); + gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0); + label = gtk_label_new ("Previous signal:"); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0); + calendar_data.prev_sig = gtk_label_new (""); + gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev_sig, FALSE, TRUE, 0); + + hbox = gtk_hbox_new (FALSE, 3); + gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0); + label = gtk_label_new ("Second previous signal:"); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0); + calendar_data.prev2_sig = gtk_label_new (""); + gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev2_sig, 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); +} +/* example-end */ -- cgit v1.2.1