diff options
Diffstat (limited to 'calendar/gui/dialogs/e-timezone-dialog.c')
| -rw-r--r-- | calendar/gui/dialogs/e-timezone-dialog.c | 659 |
1 files changed, 0 insertions, 659 deletions
diff --git a/calendar/gui/dialogs/e-timezone-dialog.c b/calendar/gui/dialogs/e-timezone-dialog.c deleted file mode 100644 index 1379470707..0000000000 --- a/calendar/gui/dialogs/e-timezone-dialog.c +++ /dev/null @@ -1,659 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* Evolution calendar - Timezone selector dialog - * - * Copyright (C) 2001 Ximian, Inc. - * - * Authors: Damon Chaplin <damon@ximian.com> - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <config.h> -#include <gtk/gtksignal.h> -#include <gtk/gtkcombo.h> -#include <gtk/gtkentry.h> -#include <gtk/gtklabel.h> -#include <gnome.h> -#include <ical.h> -#include <glade/glade.h> -#include <widgets/misc/e-map.h> -#include "e-timezone-dialog.h" - -#define E_TIMEZONE_DIALOG_MAP_POINT_NORMAL_RGBA 0xc070a0ff -#define E_TIMEZONE_DIALOG_MAP_POINT_HOVER_RGBA 0xffff60ff -#define E_TIMEZONE_DIALOG_MAP_POINT_SELECTED_1_RGBA 0xff60e0ff -#define E_TIMEZONE_DIALOG_MAP_POINT_SELECTED_2_RGBA 0x000000ff - -struct _ETimezoneDialogPrivate { - /* The TZID of the timezone. May be NULL for a 'local time' (i.e. when - the displayed name is "") or for builtin timezones which we haven't - loaded yet. */ - char *tzid; - - /* Glade XML data */ - GladeXML *xml; - - EMapPoint *point_selected; - EMapPoint *point_hover; - - EMap *map; - - /* The timeout used to flash the nearest point. */ - guint timeout_id; - - /* Widgets from the Glade file */ - GtkWidget *app; - GtkWidget *map_window; - GtkWidget *timezone_preview; - GtkWidget *timezone_combo; -}; - - -static void e_timezone_dialog_class_init (ETimezoneDialogClass *class); -static void e_timezone_dialog_init (ETimezoneDialog *etd); -static void e_timezone_dialog_destroy (GtkObject *object); - -static gboolean get_widgets (ETimezoneDialog *etd); -static gboolean on_map_timeout (gpointer data); -static gboolean on_map_motion (GtkWidget *widget, - GdkEventMotion *event, - gpointer data); -static gboolean on_map_leave (GtkWidget *widget, - GdkEventCrossing *event, - gpointer data); -static gboolean on_map_visibility_changed (GtkWidget *w, - GdkEventVisibility *event, - gpointer data); -static gboolean on_map_button_pressed (GtkWidget *w, - GdkEventButton *event, - gpointer data); - -static char* get_zone_from_point (ETimezoneDialog *etd, - EMapPoint *point); -static void find_selected_point (ETimezoneDialog *etd); -static void on_combo_changed (GtkEditable *entry, - ETimezoneDialog *etd); - - -static GtkObjectClass *parent_class; - - -GtkType -e_timezone_dialog_get_type (void) -{ - static GtkType e_timezone_dialog_type = 0; - - if (!e_timezone_dialog_type) { - static const GtkTypeInfo e_timezone_dialog_info = { - "ETimezoneDialog", - sizeof (ETimezoneDialog), - sizeof (ETimezoneDialogClass), - (GtkClassInitFunc) e_timezone_dialog_class_init, - (GtkObjectInitFunc) e_timezone_dialog_init, - NULL, /* reserved_1 */ - NULL, /* reserved_2 */ - (GtkClassInitFunc) NULL - }; - - e_timezone_dialog_type = gtk_type_unique (GTK_TYPE_OBJECT, - &e_timezone_dialog_info); - } - - return e_timezone_dialog_type; -} - -/* Class initialization function for the event editor */ -static void -e_timezone_dialog_class_init (ETimezoneDialogClass *class) -{ - GtkObjectClass *object_class; - - object_class = (GtkObjectClass *) class; - - parent_class = gtk_type_class (GTK_TYPE_OBJECT); - - object_class->destroy = e_timezone_dialog_destroy; -} - -/* Object initialization function for the event editor */ -static void -e_timezone_dialog_init (ETimezoneDialog *etd) -{ - ETimezoneDialogPrivate *priv; - - priv = g_new0 (ETimezoneDialogPrivate, 1); - etd->priv = priv; - - priv->tzid = NULL; - priv->point_selected = NULL; - priv->point_hover = NULL; - priv->timeout_id = 0; -} - -/* Destroy handler for the event editor */ -static void -e_timezone_dialog_destroy (GtkObject *object) -{ - ETimezoneDialog *etd; - ETimezoneDialogPrivate *priv; - GtkWidget *dialog; - - g_return_if_fail (object != NULL); - g_return_if_fail (E_IS_TIMEZONE_DIALOG (object)); - - etd = E_TIMEZONE_DIALOG (object); - priv = etd->priv; - - /* Destroy the actual dialog. */ - dialog = e_timezone_dialog_get_toplevel (etd); - gtk_widget_destroy (dialog); - - g_free (priv->tzid); - priv->tzid = NULL; - - if (priv->timeout_id) { - g_source_remove (priv->timeout_id); - priv->timeout_id = 0; - } - - if (priv->xml) { - gtk_object_unref (GTK_OBJECT (priv->xml)); - priv->xml = NULL; - } - - g_free (priv); - etd->priv = NULL; - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - -static void -e_timezone_dialog_add_timezones (ETimezoneDialog *etd) -{ - ETimezoneDialogPrivate *priv; - icalarray *zones; - GtkWidget *listitem; - GtkCombo *combo; - int i; - - priv = etd->priv; - - combo = GTK_COMBO (priv->timezone_combo); - - /* Clear any existing items in the combo. */ - gtk_list_clear_items (GTK_LIST (combo->list), 0, -1); - - /* Put the "None" and "UTC" entries at the top of the combo's list. - When "None" is selected we want the field to be cleared. */ - listitem = gtk_list_item_new_with_label (_("None")); - gtk_combo_set_item_string (combo, GTK_ITEM (listitem), ""); - gtk_widget_show (listitem); - gtk_container_add (GTK_CONTAINER (combo->list), listitem); - - /* Note: We don't translate timezone names at the moment. */ - listitem = gtk_list_item_new_with_label ("UTC"); - gtk_widget_show (listitem); - gtk_container_add (GTK_CONTAINER (combo->list), listitem); - - /* Get the array of builtin timezones. */ - zones = icaltimezone_get_builtin_timezones (); - - for (i = 0; i < zones->num_elements; i++) { - icaltimezone *zone; - char *location; - - zone = icalarray_element_at (zones, i); - - location = icaltimezone_get_location (zone); - - e_map_add_point (priv->map, location, - icaltimezone_get_longitude (zone), - icaltimezone_get_latitude (zone), - E_TIMEZONE_DIALOG_MAP_POINT_NORMAL_RGBA); - - listitem = gtk_list_item_new_with_label (location); - gtk_widget_show (listitem); - gtk_container_add (GTK_CONTAINER (combo->list), listitem); - } -} - - -ETimezoneDialog * -e_timezone_dialog_construct (ETimezoneDialog *etd) -{ - ETimezoneDialogPrivate *priv; - GtkWidget *map; - - g_return_val_if_fail (etd != NULL, NULL); - g_return_val_if_fail (E_IS_TIMEZONE_DIALOG (etd), NULL); - - priv = etd->priv; - - /* Load the content widgets */ - - priv->xml = glade_xml_new (EVOLUTION_GLADEDIR "/e-timezone-dialog.glade", - NULL); - if (!priv->xml) { - g_message ("e_timezone_dialog_construct(): Could not load the Glade XML file!"); - goto error; - } - - if (!get_widgets (etd)) { - g_message ("e_timezone_dialog_construct(): Could not find all widgets in the XML file!"); - goto error; - } - - map = GTK_WIDGET (e_map_new ()); - priv->map = E_MAP (map); - gtk_widget_set_events (map, gtk_widget_get_events (map) - | GDK_LEAVE_NOTIFY_MASK - | GDK_VISIBILITY_NOTIFY_MASK); - - gtk_entry_set_editable (GTK_ENTRY (GTK_COMBO (priv->timezone_combo)->entry), FALSE); - - e_timezone_dialog_add_timezones (etd); - - gtk_container_add (GTK_CONTAINER (priv->map_window), map); - gtk_widget_show (map); - - gtk_signal_connect (GTK_OBJECT (map), "motion-notify-event", - GTK_SIGNAL_FUNC (on_map_motion), etd); - gtk_signal_connect (GTK_OBJECT (map), "leave-notify-event", - GTK_SIGNAL_FUNC (on_map_leave), etd); - gtk_signal_connect (GTK_OBJECT (map), "visibility-notify-event", - GTK_SIGNAL_FUNC (on_map_visibility_changed), etd); - gtk_signal_connect (GTK_OBJECT (map), "button-press-event", - GTK_SIGNAL_FUNC (on_map_button_pressed), etd); - - gtk_signal_connect (GTK_OBJECT (GTK_COMBO (priv->timezone_combo)->entry), "changed", - GTK_SIGNAL_FUNC (on_combo_changed), etd); - - return etd; - - error: - - gtk_object_unref (GTK_OBJECT (etd)); - return NULL; -} - -/* Gets the widgets from the XML file and returns if they are all available. - * For the widgets whose values can be simply set with e-dialog-utils, it does - * that as well. - */ -static gboolean -get_widgets (ETimezoneDialog *etd) -{ - ETimezoneDialogPrivate *priv; - - priv = etd->priv; - -#define GW(name) glade_xml_get_widget (priv->xml, name) - - priv->app = GW ("timezone-dialog"); - priv->map_window = GW ("map-window"); - priv->timezone_combo = GW ("timezone-combo"); - priv->timezone_preview = GW ("timezone-preview"); - - return (priv->app - && priv->map_window - && priv->timezone_combo - && priv->timezone_preview); -} - - -/** - * e_timezone_dialog_new: - * - * Creates a new event editor dialog. - * - * Return value: A newly-created event editor dialog, or NULL if the event - * editor could not be created. - **/ -ETimezoneDialog * -e_timezone_dialog_new (void) -{ - ETimezoneDialog *etd; - - etd = E_TIMEZONE_DIALOG (gtk_type_new (E_TYPE_TIMEZONE_DIALOG)); - return e_timezone_dialog_construct (E_TIMEZONE_DIALOG (etd)); -} - - - -/* This flashes the currently selected timezone in the map. */ -static gboolean -on_map_timeout (gpointer data) -{ - ETimezoneDialog *etd; - ETimezoneDialogPrivate *priv; - - etd = E_TIMEZONE_DIALOG (data); - priv = etd->priv; - - if (!priv->point_selected) - return TRUE; - - if (e_map_point_get_color_rgba (priv->point_selected) - == E_TIMEZONE_DIALOG_MAP_POINT_SELECTED_1_RGBA) - e_map_point_set_color_rgba (priv->map, priv->point_selected, - E_TIMEZONE_DIALOG_MAP_POINT_SELECTED_2_RGBA); - else - e_map_point_set_color_rgba (priv->map, priv->point_selected, - E_TIMEZONE_DIALOG_MAP_POINT_SELECTED_1_RGBA); - - return TRUE; -} - - -static gboolean -on_map_motion (GtkWidget *widget, GdkEventMotion *event, gpointer data) -{ - ETimezoneDialog *etd; - ETimezoneDialogPrivate *priv; - double longitude, latitude; - char *old_zone, *new_zone; - - etd = E_TIMEZONE_DIALOG (data); - priv = etd->priv; - - e_map_window_to_world (priv->map, (double) event->x, (double) event->y, - &longitude, &latitude); - - if (priv->point_hover && priv->point_hover != priv->point_selected) - e_map_point_set_color_rgba (priv->map, priv->point_hover, - E_TIMEZONE_DIALOG_MAP_POINT_NORMAL_RGBA); - - priv->point_hover = e_map_get_closest_point (priv->map, longitude, - latitude, TRUE); - - if (priv->point_hover != priv->point_selected) - e_map_point_set_color_rgba (priv->map, priv->point_hover, - E_TIMEZONE_DIALOG_MAP_POINT_HOVER_RGBA); - - gtk_label_get (GTK_LABEL (priv->timezone_preview), &old_zone); - new_zone = get_zone_from_point (etd, priv->point_hover); - if (strcmp (old_zone, new_zone)) - gtk_label_set_text (GTK_LABEL (priv->timezone_preview), - new_zone); - - return TRUE; -} - - -static gboolean -on_map_leave (GtkWidget *widget, GdkEventCrossing *event, gpointer data) -{ - ETimezoneDialog *etd; - ETimezoneDialogPrivate *priv; - char *old_zone; - - etd = E_TIMEZONE_DIALOG (data); - priv = etd->priv; - - /* We only want to reset the hover point and the preview text if this - is a normal leave event. For some reason we are getting leave events - when the button is pressed in the map, which causes problems. */ - if (event->mode != GDK_CROSSING_NORMAL) - return FALSE; - - if (priv->point_hover && priv->point_hover != priv->point_selected) - e_map_point_set_color_rgba (priv->map, priv->point_hover, - E_TIMEZONE_DIALOG_MAP_POINT_NORMAL_RGBA); - - priv->point_hover = NULL; - - /* Clear the timezone preview label, if it isn't already empty. */ - gtk_label_get (GTK_LABEL (priv->timezone_preview), &old_zone); - if (strcmp (old_zone, "")) - gtk_label_set_text (GTK_LABEL (priv->timezone_preview), ""); - - return FALSE; -} - - -static gboolean -on_map_visibility_changed (GtkWidget *w, GdkEventVisibility *event, - gpointer data) -{ - ETimezoneDialog *etd; - ETimezoneDialogPrivate *priv; - - etd = E_TIMEZONE_DIALOG (data); - priv = etd->priv; - - if (event->state != GDK_VISIBILITY_FULLY_OBSCURED) { - /* Map is visible, at least partly, so make sure we flash the - selected point. */ - if (!priv->timeout_id) - priv->timeout_id = gtk_timeout_add (100, on_map_timeout, etd); - } else { - /* Map is invisible, so don't waste resources on the timeout.*/ - if (priv->timeout_id) { - g_source_remove (priv->timeout_id); - priv->timeout_id = 0; - } - } - - return FALSE; -} - - -static gboolean -on_map_button_pressed (GtkWidget *w, GdkEventButton *event, gpointer data) -{ - ETimezoneDialog *etd; - ETimezoneDialogPrivate *priv; - double longitude, latitude; - char *location; - - etd = E_TIMEZONE_DIALOG (data); - priv = etd->priv; - - e_map_window_to_world (priv->map, (double) event->x, (double) event->y, - &longitude, &latitude); - - if (event->button != 1) { - e_map_zoom_out (priv->map); - } else { - if (e_map_get_magnification (priv->map) <= 1.0) - e_map_zoom_to_location (priv->map, longitude, - latitude); - - if (priv->point_selected) - e_map_point_set_color_rgba (priv->map, - priv->point_selected, - E_TIMEZONE_DIALOG_MAP_POINT_NORMAL_RGBA); - priv->point_selected = priv->point_hover; - - location = get_zone_from_point (etd, priv->point_selected); - gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (priv->timezone_combo)->entry), - location); - - g_free (priv->tzid); - priv->tzid = NULL; - } - - return TRUE; -} - - -static char* -get_zone_from_point (ETimezoneDialog *etd, - EMapPoint *point) -{ - ETimezoneDialogPrivate *priv; - icalarray *zones; - double longitude, latitude; - int i; - - priv = etd->priv; - - if (point == NULL) - return ""; - - e_map_point_get_location (point, &longitude, &latitude); - - /* Get the array of builtin timezones. */ - zones = icaltimezone_get_builtin_timezones (); - - for (i = 0; i < zones->num_elements; i++) { - icaltimezone *zone; - double zone_longitude, zone_latitude; - - zone = icalarray_element_at (zones, i); - zone_longitude = icaltimezone_get_longitude (zone); - zone_latitude = icaltimezone_get_latitude (zone); - - if (zone_longitude - 0.005 <= longitude && - zone_longitude + 0.005 >= longitude && - zone_latitude - 0.005 <= latitude && - zone_latitude + 0.005 >= latitude) - { - return icaltimezone_get_location (zone); - } - } - - g_assert_not_reached (); - - return NULL; -} - - -/* Returns the TZID of the timezone set, and optionally its displayed name. - The TZID may be NULL, in which case the builtin timezone with the city name - of display_name should be used. If display_name is also NULL or "", then it - is assumed to be a 'local time'. */ -char* -e_timezone_dialog_get_timezone (ETimezoneDialog *etd, - char **display_name) -{ - ETimezoneDialogPrivate *priv; - - g_return_val_if_fail (etd != NULL, NULL); - g_return_val_if_fail (E_IS_TIMEZONE_DIALOG (etd), NULL); - - priv = etd->priv; - - if (display_name) - *display_name = gtk_entry_get_text (GTK_ENTRY (GTK_COMBO (priv->timezone_combo)->entry)); - - return priv->tzid; -} - - -/* Sets the TZID and displayed name of the timezone. The TZID may be NULL for - a 'local time' (i.e. display_name is NULL or "") or if it is a builtin - timezone which hasn't been loaded yet. (This is done so we don't load - timezones until we really need them.) */ -void -e_timezone_dialog_set_timezone (ETimezoneDialog *etd, - char *tzid, - char *display_name) -{ - ETimezoneDialogPrivate *priv; - - g_return_if_fail (etd != NULL); - g_return_if_fail (E_IS_TIMEZONE_DIALOG (etd)); - - priv = etd->priv; - - if (priv->tzid) - g_free (priv->tzid); - - priv->tzid = g_strdup (tzid); - - gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (priv->timezone_combo)->entry), - display_name ? display_name : ""); - - find_selected_point (etd); -} - - -GtkWidget* -e_timezone_dialog_get_toplevel (ETimezoneDialog *etd) -{ - ETimezoneDialogPrivate *priv; - - g_return_val_if_fail (etd != NULL, NULL); - g_return_val_if_fail (E_IS_TIMEZONE_DIALOG (etd), NULL); - - priv = etd->priv; - - return priv->app; -} - - -/* This tries to find the timezone corresponding to the text in the combo, - and selects the point so that it flashes. */ -static void -find_selected_point (ETimezoneDialog *etd) -{ - ETimezoneDialogPrivate *priv; - icalarray *zones; - char *current_zone; - EMapPoint *point = NULL; - int i; - - priv = etd->priv; - - current_zone = gtk_entry_get_text (GTK_ENTRY (GTK_COMBO (priv->timezone_combo)->entry)); - - /* Get the array of builtin timezones. */ - zones = icaltimezone_get_builtin_timezones (); - - for (i = 0; i < zones->num_elements; i++) { - icaltimezone *zone; - char *location; - - zone = icalarray_element_at (zones, i); - - location = icaltimezone_get_location (zone); - - if (!strcmp (current_zone, location)) { - double zone_longitude, zone_latitude; - - zone_longitude = icaltimezone_get_longitude (zone); - zone_latitude = icaltimezone_get_latitude (zone); - - point = e_map_get_closest_point (priv->map, - zone_longitude, - zone_latitude, - FALSE); - break; - } - } - - if (priv->point_selected) - e_map_point_set_color_rgba (priv->map, priv->point_selected, - E_TIMEZONE_DIALOG_MAP_POINT_NORMAL_RGBA); - - priv->point_selected = point; -} - - -static void -on_combo_changed (GtkEditable *entry, ETimezoneDialog *etd) -{ - ETimezoneDialogPrivate *priv; - - priv = etd->priv; - - find_selected_point (etd); - - g_free (priv->tzid); - priv->tzid = NULL; -} |