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gtk/tests/testcalendar.c
Matthias Clasen bcb23945f6 Bring back lost functionality 
Double-click to mark/unmark was lost a while ago.

Also add easy RTL testing.
2010-10-24 14:43:04 -04:00

685 lines
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/* 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 "config.h"
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#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);
date = g_date_new_dmy (day, month + 1, year);
g_date_strftime (buffer, buff_len-1, "%x", date);
g_date_free (date);
}
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;
GtkRcStyle *style;
if (calendar->window)
font = gtk_font_button_get_font_name (GTK_FONT_BUTTON (button));
if (font)
{
style = gtk_rc_style_new ();
pango_font_description_free (style->font_desc);
style->font_desc = pango_font_description_from_string (font);
gtk_widget_modify_style (calendar->window, style);
}
}
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 ("<span color='%s'>yadda\n"
"(%04d-%02d-%02d)</span>",
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,
gdouble xscale,
gdouble yscale)
{
GtkWidget *expander = gtk_expander_new ("");
GtkWidget *label = gtk_expander_get_label_widget (GTK_EXPANDER (expander));
GtkWidget *align = gtk_alignment_new (0, 0, xscale, yscale);
gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 0, 18, 0);
gtk_label_set_markup (GTK_LABEL (label), caption);
gtk_container_add (GTK_CONTAINER (expander), align);
gtk_container_add (GTK_CONTAINER (align), child);
return expander;
}
static GtkWidget*
create_frame (const char *caption,
GtkWidget *child,
gdouble xscale,
gdouble yscale)
{
GtkWidget *frame = gtk_frame_new ("");
GtkWidget *label = gtk_frame_get_label_widget (GTK_FRAME (frame));
GtkWidget *align = gtk_alignment_new (0, 0, xscale, yscale);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 0, 18, 0);
gtk_label_set_markup (GTK_LABEL (label), caption);
gtk_container_add (GTK_CONTAINER (frame), align);
gtk_container_add (GTK_CONTAINER (align), 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, *align, *details;
GtkSizeGroup *size;
GtkStyle *style;
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_title (GTK_WINDOW (window), "GtkCalendar Example");
gtk_container_set_border_width (GTK_CONTAINER (window), 12);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
g_signal_connect (window, "delete-event",
G_CALLBACK (gtk_false),
NULL);
hpaned = gtk_hpaned_new ();
/* Calendar widget */
calendar = gtk_calendar_new ();
calendar_data.calendar_widget = calendar;
frame = create_frame ("<b>Calendar</b>", calendar, 0, 0);
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_vbox_new (FALSE, DEF_PAD_SMALL);
gtk_paned_pack2 (GTK_PANED (hpaned), rpane, FALSE, FALSE);
/* Build the right font-button */
vbox = gtk_vbox_new(FALSE, DEF_PAD_SMALL);
frame = create_frame ("<b>Options</b>", vbox, 1, 0);
gtk_box_pack_start (GTK_BOX (rpane), frame, FALSE, TRUE, 0);
size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
gtk_widget_ensure_style (calendar);
style = gtk_widget_get_style (calendar);
font = pango_font_description_to_string (style->font_desc);
button = gtk_font_button_new_with_font (font);
g_free (font);
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_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_size_group_add_widget (size, label);
hbox = gtk_hbox_new (FALSE, DEF_PAD_SMALL);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
/* 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_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_size_group_add_widget (size, label);
hbox = gtk_hbox_new (FALSE, DEF_PAD_SMALL);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
/* 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_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_size_group_add_widget (size, label);
hbox = gtk_hbox_new (FALSE, DEF_PAD_SMALL);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
/* Build the right details frame */
vbox = gtk_vbox_new(FALSE, DEF_PAD_SMALL);
frame = create_frame ("<b>Details</b>", vbox, 1, 1);
gtk_box_pack_start (GTK_BOX (rpane), frame, FALSE, TRUE, 0);
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, FALSE, TRUE, 0);
hbox = gtk_hbox_new (FALSE, DEF_PAD_SMALL);
align = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
gtk_container_add (GTK_CONTAINER (align), hbox);
gtk_box_pack_start (GTK_BOX (vbox), align, FALSE, TRUE, 0);
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, FALSE, TRUE, 0);
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, FALSE, TRUE, 0);
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, FALSE, TRUE, 0);
/* Build the Right frame with the flags in */
vbox = gtk_vbox_new(FALSE, 0);
frame = create_expander ("<b>Flags</b>", vbox, 1, 0);
gtk_box_pack_start (GTK_BOX (rpane), frame, TRUE, TRUE, 0);
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, FALSE, TRUE, 0);
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_vbox_new (TRUE, DEF_PAD_SMALL);
frame = create_frame ("<b>Signal Events</b>", vbox, 1, 0);
hbox = gtk_hbox_new (FALSE, 3);
gtk_box_pack_start (GTK_BOX (vbox), 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 (vbox), 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 (vbox), 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);
/*
* Glue everything together
*/
bbox = gtk_hbutton_box_new ();
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_vbox_new (FALSE, DEF_PAD_SMALL);
gtk_box_pack_start (GTK_BOX (vbox), hpaned, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), bbox, FALSE, TRUE, 0);
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_all (window);
}
int main(int argc,
char *argv[] )
{
gtk_init (&argc, &argv);
if (g_getenv ("GTK_RTL"))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
create_calendar();
gtk_main();
return(0);
}
/* example-end */
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