diff options
Diffstat (limited to 'widgets/meeting-time-sel/e-meeting-time-sel.c')
| -rw-r--r-- | widgets/meeting-time-sel/e-meeting-time-sel.c | 3065 |
1 files changed, 0 insertions, 3065 deletions
diff --git a/widgets/meeting-time-sel/e-meeting-time-sel.c b/widgets/meeting-time-sel/e-meeting-time-sel.c deleted file mode 100644 index 86f81cc80e..0000000000 --- a/widgets/meeting-time-sel/e-meeting-time-sel.c +++ /dev/null @@ -1,3065 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ - -/* - * Author : - * Damon Chaplin <damon@gtk.org> - * - * Copyright 1999, Helix Code, Inc. - * - * 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 <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <time.h> -#include <gtk/gtkalignment.h> -#include <gtk/gtkarrow.h> -#include <gtk/gtkbutton.h> -#include <gtk/gtkdrawingarea.h> -#include <gtk/gtkentry.h> -#include <gtk/gtkhbox.h> -#include <gtk/gtkhscrollbar.h> -#include <gtk/gtkhseparator.h> -#include <gtk/gtklabel.h> -#include <gtk/gtkmenu.h> -#include <gtk/gtkradiomenuitem.h> -#include <gtk/gtksignal.h> -#include <gtk/gtkvbox.h> -#include <gtk/gtkvscrollbar.h> -#include <libgnomeui/gnome-dateedit.h> -#include <libgnome/gnome-i18n.h> -#include <libgnomeui/gnome-canvas-widget.h> - -#include "e-meeting-time-sel.h" -#include "e-meeting-time-sel-item.h" -#include "e-meeting-time-sel-list-item.h" - -/* An array of hour strings, "0:00" .. "23:00". */ -const gchar *EMeetingTimeSelectorHours[24] = { - "0:00", "1:00", "2:00", "3:00", "4:00", "5:00", "6:00", "7:00", - "8:00", "9:00", "10:00", "11:00", "12:00", "13:00", "14:00", "15:00", - "16:00", "17:00", "18:00", "19:00", "20:00", "21:00", "22:00", "23:00" -}; - -/* The number of days shown in the entire canvas. */ -#define E_MEETING_TIME_SELECTOR_DAYS_SHOWN 365 - -#define E_MEETING_TIME_SELECTOR_ENTRY_INNER_BORDER 2 - -/* This is the number of pixels between the mouse has to move before the - scroll speed is incremented. */ -#define E_MEETING_TIME_SELECTOR_SCROLL_INCREMENT_WIDTH 10 - -/* This is the maximum scrolling speed. */ -#define E_MEETING_TIME_SELECTOR_MAX_SCROLL_SPEED 4 - - -static void e_meeting_time_selector_class_init (EMeetingTimeSelectorClass * klass); -static void e_meeting_time_selector_init (EMeetingTimeSelector * mts); -static void e_meeting_time_selector_destroy (GtkObject *object); -static void e_meeting_time_selector_alloc_named_color (EMeetingTimeSelector * mts, - const char *name, GdkColor *c); -static void e_meeting_time_selector_add_key_color (EMeetingTimeSelector * mts, - GtkWidget *hbox, - gchar *label_text, - GdkColor *color); -static gint e_meeting_time_selector_expose_key_color (GtkWidget *darea, - GdkEventExpose *event, - GdkColor *color); -static gint e_meeting_time_selector_expose_title_bar (GtkWidget *darea, - GdkEventExpose *event, - gpointer data); -static void e_meeting_time_selector_options_menu_detacher (GtkWidget *widget, - GtkMenu *menu); -static void e_meeting_time_selector_autopick_menu_detacher (GtkWidget *widget, - GtkMenu *menu); -static void e_meeting_time_selector_realize (GtkWidget *widget); -static void e_meeting_time_selector_unrealize (GtkWidget *widget); -static void e_meeting_time_selector_style_set (GtkWidget *widget, - GtkStyle *previous_style); -static gint e_meeting_time_selector_expose_event (GtkWidget *widget, - GdkEventExpose *event); -static void e_meeting_time_selector_hadjustment_changed (GtkAdjustment *adjustment, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_vadjustment_changed (GtkAdjustment *adjustment, - EMeetingTimeSelector *mts); - -static void e_meeting_time_selector_on_canvas_realized (GtkWidget *widget, - EMeetingTimeSelector *mts); - -static gint e_meeting_time_selector_compare_period_starts (const void *arg1, - const void *arg2); -#if 0 -static gint e_meeting_time_selector_compare_periods (const void *arg1, - const void *arg2); -#endif -static gint e_meeting_time_selector_compare_times (EMeetingTimeSelectorTime *time1, - EMeetingTimeSelectorTime *time2); -static void e_meeting_time_selector_on_options_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_options_menu_position_callback (GtkMenu *menu, - gint *x, - gint *y, - gpointer user_data); -static void e_meeting_time_selector_on_zoomed_out_toggled (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_working_hours_toggled (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_invite_others_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_update_free_busy (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_autopick_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_autopick_menu_position_callback (GtkMenu *menu, - gint *x, - gint *y, - gpointer user_data); -static void e_meeting_time_selector_on_autopick_option_toggled (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_prev_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_next_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_autopick (EMeetingTimeSelector *mts, - gboolean forward); -static void e_meeting_time_selector_calculate_time_difference (EMeetingTimeSelectorTime *start, - EMeetingTimeSelectorTime *end, - gint *days, - gint *hours, - gint *minutes); -static void e_meeting_time_selector_find_nearest_interval (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *start_time, - EMeetingTimeSelectorTime *end_time, - gint days, gint hours, gint mins); -static void e_meeting_time_selector_find_nearest_interval_backward (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *start_time, - EMeetingTimeSelectorTime *end_time, - gint days, gint hours, gint mins); -static void e_meeting_time_selector_adjust_time (EMeetingTimeSelectorTime *mtstime, - gint days, gint hours, gint minutes); -static EMeetingTimeSelectorPeriod* e_meeting_time_selector_find_time_clash (EMeetingTimeSelector *mts, - EMeetingTimeSelectorAttendee *attendee, - EMeetingTimeSelectorTime *start_time, - EMeetingTimeSelectorTime *end_time); - - -static void e_meeting_time_selector_recalc_grid (EMeetingTimeSelector *mts); -static void e_meeting_time_selector_recalc_date_format (EMeetingTimeSelector *mts); -static void e_meeting_time_selector_save_position (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *mtstime); -static void e_meeting_time_selector_restore_position (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *mtstime); -static void e_meeting_time_selector_on_start_time_changed (GtkWidget *widget, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_end_time_changed (GtkWidget *widget, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_update_date_popup_menus (EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_attendees_list_size_allocate (GtkWidget *widget, - GtkAllocation *allocation, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_on_canvas_size_allocate (GtkWidget *widget, - GtkAllocation *allocation, - EMeetingTimeSelector *mts); -static void e_meeting_time_selector_update_main_canvas_scroll_region (EMeetingTimeSelector *mts); -static void e_meeting_time_selector_update_attendees_list_scroll_region (EMeetingTimeSelector *mts); -static gboolean e_meeting_time_selector_timeout_handler (gpointer data); -static void e_meeting_time_selector_update_start_date_edit (EMeetingTimeSelector *mts); -static void e_meeting_time_selector_update_end_date_edit (EMeetingTimeSelector *mts); -static void e_meeting_time_selector_ensure_meeting_time_shown (EMeetingTimeSelector *mts); -static void e_meeting_time_selector_update_dates_shown (EMeetingTimeSelector *mts); - -static void e_meeting_time_selector_update_attendees_list_positions (EMeetingTimeSelector *mts); - -static GtkTableClass *e_meeting_time_selector_parent_class; - - -GtkType -e_meeting_time_selector_get_type (void) -{ - static guint e_meeting_time_selector_type = 0; - - if (!e_meeting_time_selector_type) { - GtkTypeInfo e_meeting_time_selector_info = - { - "EMeetingTimeSelector", - sizeof (EMeetingTimeSelector), - sizeof (EMeetingTimeSelectorClass), - (GtkClassInitFunc) e_meeting_time_selector_class_init, - (GtkObjectInitFunc) e_meeting_time_selector_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - e_meeting_time_selector_type = gtk_type_unique (GTK_TYPE_TABLE, - &e_meeting_time_selector_info); - } - return e_meeting_time_selector_type; -} - - -static void -e_meeting_time_selector_class_init (EMeetingTimeSelectorClass * klass) -{ - GtkObjectClass *object_class; - GtkWidgetClass *widget_class; - - e_meeting_time_selector_parent_class = gtk_type_class (gtk_table_get_type()); - - object_class = (GtkObjectClass *) klass; - widget_class = (GtkWidgetClass *) klass; - - object_class->destroy = e_meeting_time_selector_destroy; - - widget_class->realize = e_meeting_time_selector_realize; - widget_class->unrealize = e_meeting_time_selector_unrealize; - widget_class->style_set = e_meeting_time_selector_style_set; - widget_class->expose_event = e_meeting_time_selector_expose_event; -} - - -static void -e_meeting_time_selector_init (EMeetingTimeSelector * mts) -{ - GtkWidget *hbox, *separator, *button, *label, *table; - GtkWidget *alignment, *child_hbox, *arrow, *menuitem; - GSList *group; - GdkVisual *visual; - GdkColormap *colormap; - guint accel_key; - GtkAccelGroup *menu_accel_group; - time_t meeting_start_time; - struct tm *meeting_start_tm; - guchar stipple_bits[] = { - 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, - }; - - mts->accel_group = gtk_accel_group_new (); - - mts->attendees = g_array_new (FALSE, FALSE, - sizeof (EMeetingTimeSelectorAttendee)); - - mts->working_hours_only = TRUE; - mts->day_start_hour = 9; - mts->day_start_minute = 0; - mts->day_end_hour = 18; - mts->day_end_minute = 0; - mts->zoomed_out = FALSE; - mts->dragging_position = E_MEETING_TIME_SELECTOR_POS_NONE; - - /* The default meeting time is the nearest half-hour interval in the - future, in working hours. */ - meeting_start_time = time (NULL); - g_date_clear (&mts->meeting_start_time.date, 1); - g_date_set_time (&mts->meeting_start_time.date, meeting_start_time); - meeting_start_tm = localtime (&meeting_start_time); - mts->meeting_start_time.hour = meeting_start_tm->tm_hour; - mts->meeting_start_time.minute = meeting_start_tm->tm_min; - - e_meeting_time_selector_find_nearest_interval (mts, &mts->meeting_start_time, - &mts->meeting_end_time, - 0, 0, 30); - - e_meeting_time_selector_update_dates_shown (mts); - - mts->meeting_positions_valid = FALSE; - - mts->row_height = 30; - mts->col_width = 50; - mts->day_width = 50 * 24 + 1; - - mts->auto_scroll_timeout_id = 0; - - - mts->attendees_title_bar_vbox = gtk_vbox_new (FALSE, 2); - /* Add some horizontal padding for the shadow around the display. */ - gtk_table_attach (GTK_TABLE (mts), - mts->attendees_title_bar_vbox, - 0, 1, 0, 1, GTK_EXPAND | GTK_FILL, GTK_FILL, 2, 0); - gtk_widget_show (mts->attendees_title_bar_vbox); - - mts->attendees_title_bar = gtk_drawing_area_new (); - gtk_box_pack_end (GTK_BOX (mts->attendees_title_bar_vbox), - mts->attendees_title_bar, FALSE, FALSE, 0); - gtk_widget_show (mts->attendees_title_bar); - gtk_signal_connect (GTK_OBJECT (mts->attendees_title_bar), - "expose_event", - GTK_SIGNAL_FUNC (e_meeting_time_selector_expose_title_bar), mts); - - mts->attendees_list = gnome_canvas_new (); - /* Add some horizontal padding for the shadow around the display. */ - gtk_table_attach (GTK_TABLE (mts), mts->attendees_list, - 0, 1, 1, 2, - GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 2, 0); - gtk_widget_show (mts->attendees_list); - gtk_signal_connect (GTK_OBJECT (mts->attendees_list), "realize", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_canvas_realized), mts); - gtk_signal_connect (GTK_OBJECT (mts->attendees_list), "size_allocate", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_attendees_list_size_allocate), mts); - - /* Create the item in the list canvas. */ - gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (mts->attendees_list)->root), - e_meeting_time_selector_list_item_get_type (), - "EMeetingTimeSelectorListItem::meeting_time_selector", mts, - NULL); - - mts->display_top = gnome_canvas_new (); - gnome_canvas_set_scroll_region (GNOME_CANVAS (mts->display_top), - 0, 0, - mts->day_width * E_MEETING_TIME_SELECTOR_DAYS_SHOWN, - mts->row_height * 3); - /* Add some horizontal padding for the shadow around the display. */ - gtk_table_attach (GTK_TABLE (mts), mts->display_top, - 1, 4, 0, 1, GTK_EXPAND | GTK_FILL, 0, 2, 0); - gtk_widget_show (mts->display_top); - gtk_signal_connect (GTK_OBJECT (mts->display_top), "realize", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_canvas_realized), mts); - - mts->display_main = gnome_canvas_new (); - e_meeting_time_selector_update_main_canvas_scroll_region (mts); - /* Add some horizontal padding for the shadow around the display. */ - gtk_table_attach (GTK_TABLE (mts), mts->display_main, - 1, 4, 1, 2, - GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 2, 0); - gtk_widget_show (mts->display_main); - gtk_signal_connect (GTK_OBJECT (mts->display_main), "realize", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_canvas_realized), mts); - gtk_signal_connect (GTK_OBJECT (mts->display_main), "size_allocate", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_canvas_size_allocate), mts); - - mts->hscrollbar = gtk_hscrollbar_new (GTK_LAYOUT (mts->display_main)->hadjustment); - gtk_table_attach (GTK_TABLE (mts), mts->hscrollbar, - 1, 4, 2, 3, GTK_EXPAND | GTK_FILL, 0, 0, 0); - gtk_widget_show (mts->hscrollbar); - - mts->vscrollbar = gtk_vscrollbar_new (GTK_LAYOUT (mts->display_main)->vadjustment); - gtk_table_attach (GTK_TABLE (mts), mts->vscrollbar, - 4, 5, 1, 2, 0, GTK_EXPAND | GTK_FILL, 0, 0); - gtk_widget_show (mts->vscrollbar); - - /* Create the item in the top canvas. */ - gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (mts->display_top)->root), - e_meeting_time_selector_item_get_type (), - "EMeetingTimeSelectorItem::meeting_time_selector", mts, - NULL); - - /* Create the item in the main canvas. */ - gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (mts->display_main)->root), - e_meeting_time_selector_item_get_type (), - "EMeetingTimeSelectorItem::meeting_time_selector", mts, - NULL); - - /* Create the hbox containing the color key. */ - hbox = gtk_hbox_new (FALSE, 2); - gtk_table_attach (GTK_TABLE (mts), hbox, - 1, 4, 3, 4, GTK_FILL, 0, 0, 8); - gtk_widget_show (hbox); - - e_meeting_time_selector_add_key_color (mts, hbox, _("Tentative"), &mts->busy_colors[E_MEETING_TIME_SELECTOR_BUSY_TENTATIVE]); - e_meeting_time_selector_add_key_color (mts, hbox, _("Busy"), &mts->busy_colors[E_MEETING_TIME_SELECTOR_BUSY_BUSY]); - e_meeting_time_selector_add_key_color (mts, hbox, _("Out of Office"), &mts->busy_colors[E_MEETING_TIME_SELECTOR_BUSY_OUT_OF_OFFICE]); - e_meeting_time_selector_add_key_color (mts, hbox, _("No Information"), - NULL); - - separator = gtk_hseparator_new (); - gtk_table_attach (GTK_TABLE (mts), separator, - 0, 5, 4, 5, GTK_FILL, 0, 0, 0); - gtk_widget_show (separator); - - /* Create the Invite Others & Options buttons on the left. */ - hbox = gtk_hbox_new (FALSE, 4); - gtk_table_attach (GTK_TABLE (mts), hbox, - 0, 1, 3, 4, GTK_FILL, 0, 0, 0); - gtk_widget_show (hbox); - - button = gtk_button_new_with_label (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (button)->child), - _("_Invite Others...")); - gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0); - gtk_widget_show (button); - gtk_widget_add_accelerator (button, "clicked", mts->accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (button), "clicked", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_invite_others_button_clicked), mts); - - mts->options_button = gtk_button_new (); - gtk_box_pack_start (GTK_BOX (hbox), mts->options_button, TRUE, TRUE, 0); - gtk_widget_show (mts->options_button); - - gtk_signal_connect (GTK_OBJECT (mts->options_button), "clicked", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_options_button_clicked), mts); - - child_hbox = gtk_hbox_new (FALSE, 2); - gtk_container_add (GTK_CONTAINER (mts->options_button), child_hbox); - gtk_widget_show (child_hbox); - - label = gtk_label_new (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (label), _("_Options")); - gtk_box_pack_start (GTK_BOX (child_hbox), label, TRUE, TRUE, 0); - gtk_widget_show (label); - gtk_widget_add_accelerator (mts->options_button, "clicked", mts->accel_group, - accel_key, GDK_MOD1_MASK, 0); - - arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT); - gtk_box_pack_start (GTK_BOX (child_hbox), arrow, FALSE, FALSE, 2); - gtk_widget_show (arrow); - - /* Create the Options menu. */ - mts->options_menu = gtk_menu_new (); - gtk_menu_attach_to_widget (GTK_MENU (mts->options_menu), mts->options_button, - e_meeting_time_selector_options_menu_detacher); - menu_accel_group = gtk_menu_ensure_uline_accel_group (GTK_MENU (mts->options_menu)); - - menuitem = gtk_check_menu_item_new_with_label (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("Show _Only Working Hours")); - gtk_menu_append (GTK_MENU (mts->options_menu), menuitem); - gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menuitem), - mts->working_hours_only); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, 0, 0); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (menuitem), "toggled", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_working_hours_toggled), mts); - gtk_widget_show (menuitem); - - menuitem = gtk_check_menu_item_new_with_label (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("Show _Zoomed Out")); - gtk_menu_append (GTK_MENU (mts->options_menu), menuitem); - gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menuitem), - mts->zoomed_out); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, 0, 0); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (menuitem), "toggled", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_zoomed_out_toggled), mts); - gtk_widget_show (menuitem); - - menuitem = gtk_menu_item_new (); - gtk_menu_append (GTK_MENU (mts->options_menu), menuitem); - gtk_widget_set_sensitive (menuitem, FALSE); - gtk_widget_show (menuitem); - - menuitem = gtk_menu_item_new_with_label (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("_Update Free/Busy")); - gtk_menu_append (GTK_MENU (mts->options_menu), menuitem); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, 0, 0); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (menuitem), "activate", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_update_free_busy), mts); - gtk_widget_show (menuitem); - - /* Create the 3 AutoPick buttons on the left. */ - hbox = gtk_hbox_new (FALSE, 0); - gtk_table_attach (GTK_TABLE (mts), hbox, - 0, 1, 5, 6, GTK_FILL, 0, 0, 0); - gtk_widget_show (hbox); - - button = gtk_button_new_with_label (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (button)->child), - _("_<<")); - gtk_widget_add_accelerator (button, "clicked", mts->accel_group, - accel_key, GDK_MOD1_MASK | GDK_SHIFT_MASK, 0); - gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0); - gtk_widget_show (button); - gtk_signal_connect (GTK_OBJECT (button), "clicked", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_prev_button_clicked), mts); - - mts->autopick_button = gtk_button_new (); - gtk_box_pack_start (GTK_BOX (hbox), mts->autopick_button, TRUE, TRUE, 0); - gtk_widget_show (mts->autopick_button); - - child_hbox = gtk_hbox_new (FALSE, 2); - gtk_container_add (GTK_CONTAINER (mts->autopick_button), child_hbox); - gtk_widget_show (child_hbox); - - label = gtk_label_new (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (label), _("_Autopick")); - gtk_box_pack_start (GTK_BOX (child_hbox), label, TRUE, TRUE, 0); - gtk_widget_show (label); - gtk_widget_add_accelerator (mts->autopick_button, "clicked", mts->accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (mts->autopick_button), "clicked", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_autopick_button_clicked), mts); - - arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT); - gtk_box_pack_start (GTK_BOX (child_hbox), arrow, FALSE, FALSE, 2); - gtk_widget_show (arrow); - - button = gtk_button_new_with_label (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (button)->child), - _(">_>")); - gtk_widget_add_accelerator (button, "clicked", mts->accel_group, - accel_key, GDK_MOD1_MASK | GDK_SHIFT_MASK, 0); - gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0); - gtk_widget_show (button); - gtk_signal_connect (GTK_OBJECT (button), "clicked", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_next_button_clicked), mts); - - /* Create the Autopick menu. */ - mts->autopick_menu = gtk_menu_new (); - gtk_menu_attach_to_widget (GTK_MENU (mts->autopick_menu), mts->autopick_button, - e_meeting_time_selector_autopick_menu_detacher); - menu_accel_group = gtk_menu_ensure_uline_accel_group (GTK_MENU (mts->autopick_menu)); - - menuitem = gtk_radio_menu_item_new_with_label (NULL, ""); - mts->autopick_all_item = menuitem; - group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menuitem)); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("_All People and Resources")); - gtk_menu_append (GTK_MENU (mts->autopick_menu), menuitem); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, 0, 0); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (menuitem), "toggled", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_autopick_option_toggled), mts); - gtk_widget_show (menuitem); - - menuitem = gtk_radio_menu_item_new_with_label (group, ""); - mts->autopick_all_people_one_resource_item = menuitem; - group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menuitem)); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("All _People and One Resource")); - gtk_menu_append (GTK_MENU (mts->autopick_menu), menuitem); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, 0, 0); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (menuitem), "toggled", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_autopick_option_toggled), mts); - gtk_widget_show (menuitem); - - menuitem = gtk_radio_menu_item_new_with_label (group, ""); - mts->autopick_required_people_item = menuitem; - group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menuitem)); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("_Required People")); - gtk_menu_append (GTK_MENU (mts->autopick_menu), menuitem); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, 0, 0); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (menuitem), "activate", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_autopick_option_toggled), mts); - gtk_widget_show (menuitem); - - menuitem = gtk_radio_menu_item_new_with_label (group, ""); - mts->autopick_required_people_one_resource_item = menuitem; - group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menuitem)); - accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("Required People and _One Resource")); - gtk_menu_append (GTK_MENU (mts->autopick_menu), menuitem); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, 0, 0); - gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group, - accel_key, GDK_MOD1_MASK, 0); - gtk_signal_connect (GTK_OBJECT (menuitem), "activate", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_autopick_option_toggled), mts); - gtk_widget_show (menuitem); - - /* Create the date entry fields on the right. */ - alignment = gtk_alignment_new (0.5, 0.5, 0, 0); - gtk_table_attach (GTK_TABLE (mts), alignment, - 1, 4, 5, 6, GTK_FILL, 0, 0, 0); - gtk_widget_show (alignment); - - table = gtk_table_new (2, 2, FALSE); - gtk_table_set_row_spacings (GTK_TABLE (table), 4); - gtk_container_add (GTK_CONTAINER (alignment), table); - gtk_widget_show (table); - - label = gtk_label_new (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (label), - _("Meeting _start time:")); - gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); - gtk_table_attach (GTK_TABLE (table), label, - 0, 1, 0, 1, GTK_FILL, 0, 4, 0); - gtk_widget_show (label); - - mts->start_date_edit = gnome_date_edit_new (0, TRUE, TRUE); - /* I don't like the 'Calendar' label. */ - gtk_widget_hide (GNOME_DATE_EDIT (mts->start_date_edit)->cal_label); - gtk_table_attach (GTK_TABLE (table), mts->start_date_edit, - 1, 2, 0, 1, GTK_FILL, 0, 0, 0); - gtk_widget_show (mts->start_date_edit); - gtk_signal_connect (GTK_OBJECT (mts->start_date_edit), "date_changed", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_start_time_changed), mts); - gtk_signal_connect (GTK_OBJECT (mts->start_date_edit), "time_changed", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_start_time_changed), mts); - gtk_signal_connect (GTK_OBJECT (GNOME_DATE_EDIT (mts->start_date_edit)->date_entry), "activate", GTK_SIGNAL_FUNC (e_meeting_time_selector_on_start_time_changed), mts); - gtk_signal_connect (GTK_OBJECT (GNOME_DATE_EDIT (mts->start_date_edit)->time_entry), "activate", GTK_SIGNAL_FUNC (e_meeting_time_selector_on_start_time_changed), mts); - gtk_widget_add_accelerator (GNOME_DATE_EDIT (mts->start_date_edit)->date_entry, - "grab_focus", mts->accel_group, - accel_key, GDK_MOD1_MASK, 0); - - label = gtk_label_new (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (label), - _("Meeting _end time:")); - gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); - gtk_table_attach (GTK_TABLE (table), label, - 0, 1, 1, 2, GTK_FILL, 0, 4, 0); - gtk_widget_show (label); - - mts->end_date_edit = gnome_date_edit_new (0, TRUE, TRUE); - gtk_widget_hide (GNOME_DATE_EDIT (mts->end_date_edit)->cal_label); - gtk_table_attach (GTK_TABLE (table), mts->end_date_edit, - 1, 2, 1, 2, GTK_FILL, 0, 0, 0); - gtk_widget_show (mts->end_date_edit); - gtk_signal_connect (GTK_OBJECT (mts->end_date_edit), "date_changed", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_end_time_changed), mts); - gtk_signal_connect (GTK_OBJECT (mts->end_date_edit), "time_changed", - GTK_SIGNAL_FUNC (e_meeting_time_selector_on_end_time_changed), mts); - gtk_signal_connect (GTK_OBJECT (GNOME_DATE_EDIT (mts->end_date_edit)->date_entry), "activate", GTK_SIGNAL_FUNC (e_meeting_time_selector_on_end_time_changed), mts); - gtk_signal_connect (GTK_OBJECT (GNOME_DATE_EDIT (mts->end_date_edit)->time_entry), "activate", GTK_SIGNAL_FUNC (e_meeting_time_selector_on_end_time_changed), mts); - gtk_widget_add_accelerator (GNOME_DATE_EDIT (mts->end_date_edit)->date_entry, - "grab_focus", mts->accel_group, - accel_key, GDK_MOD1_MASK, 0); - - gtk_table_set_col_spacing (GTK_TABLE (mts), 0, 4); - gtk_table_set_row_spacing (GTK_TABLE (mts), 4, 12); - - /* Allocate the colors. */ - visual = gtk_widget_get_visual (GTK_WIDGET (mts)); - colormap = gtk_widget_get_colormap (GTK_WIDGET (mts)); - mts->color_context = gdk_color_context_new (visual, colormap); - e_meeting_time_selector_alloc_named_color (mts, "gray75", &mts->bg_color); - e_meeting_time_selector_alloc_named_color (mts, "gray50", &mts->all_attendees_bg_color); - gdk_color_black (colormap, &mts->grid_color); - gdk_color_white (colormap, &mts->grid_shadow_color); - e_meeting_time_selector_alloc_named_color (mts, "gray50", &mts->grid_unused_color); - gdk_color_white (colormap, &mts->meeting_time_bg_color); - gdk_color_white (colormap, &mts->stipple_bg_color); - gdk_color_white (colormap, &mts->attendee_list_bg_color); - - e_meeting_time_selector_alloc_named_color (mts, "LightSkyBlue2", &mts->busy_colors[E_MEETING_TIME_SELECTOR_BUSY_TENTATIVE]); - e_meeting_time_selector_alloc_named_color (mts, "blue", &mts->busy_colors[E_MEETING_TIME_SELECTOR_BUSY_BUSY]); - e_meeting_time_selector_alloc_named_color (mts, "HotPink3", &mts->busy_colors[E_MEETING_TIME_SELECTOR_BUSY_OUT_OF_OFFICE]); - - /* Create the stipple, for attendees with no data. */ - mts->stipple = gdk_bitmap_create_from_data (NULL, (gchar*)stipple_bits, - 8, 8); - - /* Connect handlers to the adjustments in the main canvas, so we can - scroll the other 2 canvases. */ - gtk_signal_connect (GTK_OBJECT (GTK_LAYOUT (mts->display_main)->hadjustment), "value_changed", GTK_SIGNAL_FUNC (e_meeting_time_selector_hadjustment_changed), mts); - gtk_signal_connect (GTK_OBJECT (GTK_LAYOUT (mts->display_main)->vadjustment), "value_changed", GTK_SIGNAL_FUNC (e_meeting_time_selector_vadjustment_changed), mts); - - e_meeting_time_selector_recalc_grid (mts); - e_meeting_time_selector_ensure_meeting_time_shown (mts); - e_meeting_time_selector_update_start_date_edit (mts); - e_meeting_time_selector_update_end_date_edit (mts); - e_meeting_time_selector_update_date_popup_menus (mts); -} - - -/* This adds a color to the color key beneath the main display. If color is - NULL, it displays the No Info stipple instead. */ -static void -e_meeting_time_selector_add_key_color (EMeetingTimeSelector * mts, - GtkWidget *hbox, - gchar *label_text, GdkColor *color) -{ - GtkWidget *child_hbox, *darea, *label; - - child_hbox = gtk_hbox_new (FALSE, 4); - gtk_box_pack_start (GTK_BOX (hbox), child_hbox, TRUE, TRUE, 0); - gtk_widget_show (child_hbox); - - darea = gtk_drawing_area_new (); - gtk_box_pack_start (GTK_BOX (child_hbox), darea, FALSE, FALSE, 0); - gtk_object_set_user_data (GTK_OBJECT (darea), mts); - gtk_widget_set_usize (darea, 14, 14); - gtk_widget_show (darea); - - label = gtk_label_new (label_text); - gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); - gtk_box_pack_start (GTK_BOX (child_hbox), label, TRUE, TRUE, 0); - gtk_widget_show (label); - - gtk_signal_connect (GTK_OBJECT (darea), "expose_event", - GTK_SIGNAL_FUNC (e_meeting_time_selector_expose_key_color), - color); -} - - -static gint -e_meeting_time_selector_expose_title_bar (GtkWidget *widget, - GdkEventExpose *event, - gpointer data) -{ - EMeetingTimeSelector * mts; - GdkFont *font; - - mts = E_MEETING_TIME_SELECTOR (data); - - gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, - GTK_SHADOW_OUT, 0, 0, - E_MEETING_TIME_SELECTOR_ICON_COLUMN_WIDTH + 1, - widget->allocation.height); - gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, - GTK_SHADOW_OUT, - E_MEETING_TIME_SELECTOR_ICON_COLUMN_WIDTH + 1, 0, - widget->allocation.width - E_MEETING_TIME_SELECTOR_ICON_COLUMN_WIDTH - 1, - widget->allocation.height); - - font = widget->style->font; - gdk_draw_string (widget->window, font, - widget->style->fg_gc[GTK_STATE_NORMAL], - E_MEETING_TIME_SELECTOR_ICON_COLUMN_WIDTH + 4, - 4 + font->ascent, _("All Attendees")); - - return FALSE; -} - - -static gint -e_meeting_time_selector_expose_key_color (GtkWidget *darea, - GdkEventExpose *event, - GdkColor *color) -{ - EMeetingTimeSelector * mts; - GdkGC *gc; - gint width, height; - - mts = gtk_object_get_user_data (GTK_OBJECT (darea)); - gc = mts->color_key_gc; - width = darea->allocation.width; - height = darea->allocation.height; - - gtk_draw_shadow (darea->style, darea->window, GTK_STATE_NORMAL, - GTK_SHADOW_IN, 0, 0, width, height); - - if (color) { - gdk_gc_set_foreground (gc, color); - gdk_draw_rectangle (darea->window, gc, TRUE, 1, 1, - width - 2, height - 2); - } else { - gdk_gc_set_foreground (gc, &mts->grid_color); - gdk_gc_set_background (gc, &mts->stipple_bg_color); - gdk_gc_set_stipple (gc, mts->stipple); - gdk_gc_set_fill (gc, GDK_OPAQUE_STIPPLED); - gdk_draw_rectangle (darea->window, gc, TRUE, 1, 1, - width - 2, height - 2); - gdk_gc_set_fill (gc, GDK_SOLID); - } - - return TRUE; -} - - -static void -e_meeting_time_selector_alloc_named_color (EMeetingTimeSelector * mts, - const char *name, GdkColor *c) -{ - int failed; - - g_return_if_fail (name != NULL); - g_return_if_fail (c != NULL); - - gdk_color_parse (name, c); - c->pixel = 0; - c->pixel = gdk_color_context_get_pixel (mts->color_context, - c->red, c->green, c->blue, - &failed); - if (failed) - g_warning ("Failed to allocate color: %s\n", name); -} - - -static void -e_meeting_time_selector_options_menu_detacher (GtkWidget *widget, - GtkMenu *menu) -{ - EMeetingTimeSelector *mts; - - g_return_if_fail (widget != NULL); - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (widget)); - - mts = E_MEETING_TIME_SELECTOR (widget); - g_return_if_fail (mts->options_menu == (GtkWidget*) menu); - - mts->options_menu = NULL; -} - - -static void -e_meeting_time_selector_autopick_menu_detacher (GtkWidget *widget, - GtkMenu *menu) -{ - EMeetingTimeSelector *mts; - - g_return_if_fail (widget != NULL); - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (widget)); - - mts = E_MEETING_TIME_SELECTOR (widget); - g_return_if_fail (mts->autopick_menu == (GtkWidget*) menu); - - mts->autopick_menu = NULL; -} - - -GtkWidget * -e_meeting_time_selector_new (void) -{ - GtkWidget *mts; - - mts = GTK_WIDGET (gtk_type_new (e_meeting_time_selector_get_type ())); - - return mts; -} - - -static void -e_meeting_time_selector_destroy (GtkObject *object) -{ - EMeetingTimeSelector *mts; - EMeetingTimeSelectorAttendee *attendee; - gint row; - - mts = E_MEETING_TIME_SELECTOR (object); - - e_meeting_time_selector_remove_timeout (mts); - - gdk_color_context_free (mts->color_context); - gdk_bitmap_unref (mts->stipple); - - for (row = 0; row < mts->attendees->len; row++) { - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - g_free (attendee->name); - g_array_free (attendee->busy_periods, TRUE); - } - - g_array_free (mts->attendees, TRUE); - - if (GTK_OBJECT_CLASS (e_meeting_time_selector_parent_class)->destroy) - (*GTK_OBJECT_CLASS (e_meeting_time_selector_parent_class)->destroy)(object); -} - - -static void -e_meeting_time_selector_realize (GtkWidget *widget) -{ - EMeetingTimeSelector *mts; - - if (GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->realize) - (*GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->realize)(widget); - - mts = E_MEETING_TIME_SELECTOR (widget); - - mts->color_key_gc = gdk_gc_new (widget->window); -} - - -static void -e_meeting_time_selector_unrealize (GtkWidget *widget) -{ - EMeetingTimeSelector *mts; - - mts = E_MEETING_TIME_SELECTOR (widget); - - gdk_gc_unref (mts->color_key_gc); - mts->color_key_gc = NULL; - - if (GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->unrealize) - (*GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->unrealize)(widget); -} - - -static void -e_meeting_time_selector_style_set (GtkWidget *widget, - GtkStyle *previous_style) -{ - EMeetingTimeSelector *mts; - EMeetingTimeSelectorTime saved_time; - GdkFont *font; - gint hour, max_hour_width; - - if (GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->style_set) - (*GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->style_set)(widget, previous_style); - - mts = E_MEETING_TIME_SELECTOR (widget); - font = widget->style->font; - - /* Calculate the widths of the hour strings in the style's font. */ - max_hour_width = 0; - for (hour = 0; hour < 24; hour++) { - mts->hour_widths[hour] = gdk_string_width (font, EMeetingTimeSelectorHours[hour]); - max_hour_width = MAX (max_hour_width, mts->hour_widths[hour]); - } - - /* The row height really depends on the requested height of the - GtkEntry widgets in the list on the left, so we really need to - call size_request on them, AFTER their style has been set. */ - /* FIXME: This uses the default style ythickness of 2, though it won't - be needed when we switch to Miguel's new editable GtkCList widget - so I won't worry about it. */ - mts->row_height = font->ascent + font->descent - + E_MEETING_TIME_SELECTOR_ENTRY_INNER_BORDER * 2 - + 2 * 2; - mts->col_width = max_hour_width + 4; - - e_meeting_time_selector_save_position (mts, &saved_time); - e_meeting_time_selector_recalc_grid (mts); - e_meeting_time_selector_restore_position (mts, &saved_time); - - gtk_widget_set_usize (mts->display_top, -1, mts->row_height * 3); - gtk_widget_set_usize (mts->attendees_title_bar, -1, mts->row_height); - - GTK_LAYOUT (mts->display_main)->hadjustment->step_increment = mts->col_width; - GTK_LAYOUT (mts->display_main)->vadjustment->step_increment = mts->row_height; -} - - -/* This draws a shadow around the top display and main display. */ -static gint -e_meeting_time_selector_expose_event (GtkWidget *widget, - GdkEventExpose *event) -{ - EMeetingTimeSelector *mts; - gint x, y, w, h; - - mts = E_MEETING_TIME_SELECTOR (widget); - - /* Draw the shadow around the attendees title bar and list. */ - x = mts->attendees_title_bar->allocation.x - 2; - y = mts->attendees_title_bar->allocation.y - 2; - w = mts->attendees_title_bar->allocation.width + 4; - h = mts->attendees_title_bar->allocation.height + mts->attendees_list->allocation.height + 4; - - gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN, x, y, w, h); - - /* Draw the shadow around the graphical displays. */ - x = mts->display_top->allocation.x - 2; - y = mts->display_top->allocation.y - 2; - w = mts->display_top->allocation.width + 4; - h = mts->display_top->allocation.height + mts->display_main->allocation.height + 4; - - gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN, x, y, w, h); - - if (GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->expose_event) - (*GTK_WIDGET_CLASS (e_meeting_time_selector_parent_class)->expose_event)(widget, event); - - return FALSE; -} - - -/* When the main canvas scrolls, we scroll the other canvases. */ -static void -e_meeting_time_selector_hadjustment_changed (GtkAdjustment *adjustment, - EMeetingTimeSelector *mts) -{ - GtkAdjustment *adj; - - adj = GTK_LAYOUT (mts->display_top)->hadjustment; - if (adj->value != adjustment->value) { - adj->value = adjustment->value; - gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); - } -} - - -static void -e_meeting_time_selector_vadjustment_changed (GtkAdjustment *adjustment, - EMeetingTimeSelector *mts) -{ - GtkAdjustment *adj; - - adj = GTK_LAYOUT (mts->attendees_list)->vadjustment; - if (adj->value != adjustment->value) { - adj->value = adjustment->value; - gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); - } -} - - -void -e_meeting_time_selector_get_meeting_time (EMeetingTimeSelector *mts, - gint *start_year, - gint *start_month, - gint *start_day, - gint *start_hour, - gint *start_minute, - gint *end_year, - gint *end_month, - gint *end_day, - gint *end_hour, - gint *end_minute) -{ - *start_year = g_date_year (&mts->meeting_start_time.date); - *start_month = g_date_month (&mts->meeting_start_time.date); - *start_day = g_date_day (&mts->meeting_start_time.date); - *start_hour = mts->meeting_start_time.hour; - *start_minute = mts->meeting_start_time.minute; - - *end_year = g_date_year (&mts->meeting_end_time.date); - *end_month = g_date_month (&mts->meeting_end_time.date); - *end_day = g_date_day (&mts->meeting_end_time.date); - *end_hour = mts->meeting_end_time.hour; - *end_minute = mts->meeting_end_time.minute; -} - - -gboolean -e_meeting_time_selector_set_meeting_time (EMeetingTimeSelector *mts, - gint start_year, - gint start_month, - gint start_day, - gint start_hour, - gint start_minute, - gint end_year, - gint end_month, - gint end_day, - gint end_hour, - gint end_minute) -{ - g_return_val_if_fail (IS_E_MEETING_TIME_SELECTOR (mts), FALSE); - - /* Check the dates are valid. */ - if (!g_date_valid_dmy (start_day, start_month, start_year) - || !g_date_valid_dmy (end_day, end_month, end_year) - || start_hour < 0 || start_hour > 23 - || end_hour < 0 || end_hour > 23 - || start_minute < 0 || start_minute > 59 - || end_minute < 0 || end_minute > 59) - return FALSE; - - g_date_set_dmy (&mts->meeting_start_time.date, start_day, start_month, - start_year); - mts->meeting_start_time.hour = start_hour; - mts->meeting_start_time.minute = start_minute; - g_date_set_dmy (&mts->meeting_end_time.date, end_day, end_month, - end_year); - mts->meeting_end_time.hour = end_hour; - mts->meeting_end_time.minute = end_minute; - - mts->meeting_positions_valid = FALSE; - - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); - - /* Set the times in the GnomeDateEdit widgets. */ - e_meeting_time_selector_update_start_date_edit (mts); - e_meeting_time_selector_update_end_date_edit (mts); - - return TRUE; -} - - -void -e_meeting_time_selector_set_working_hours_only (EMeetingTimeSelector *mts, - gboolean working_hours_only) -{ - EMeetingTimeSelectorTime saved_time; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - - if (mts->working_hours_only == working_hours_only) - return; - - mts->working_hours_only = working_hours_only; - - e_meeting_time_selector_save_position (mts, &saved_time); - e_meeting_time_selector_recalc_grid (mts); - e_meeting_time_selector_restore_position (mts, &saved_time); - - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); - e_meeting_time_selector_update_date_popup_menus (mts); -} - - -void -e_meeting_time_selector_set_working_hours (EMeetingTimeSelector *mts, - gint day_start_hour, - gint day_start_minute, - gint day_end_hour, - gint day_end_minute) -{ - EMeetingTimeSelectorTime saved_time; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - - if (mts->day_start_hour == day_start_hour - && mts->day_start_minute == day_start_minute - && mts->day_end_hour == day_end_hour - && mts->day_end_minute == day_end_minute) - return; - - mts->day_start_hour = day_start_hour; - mts->day_start_minute = day_start_minute; - mts->day_end_hour = day_end_hour; - mts->day_end_minute = day_end_minute; - - e_meeting_time_selector_save_position (mts, &saved_time); - e_meeting_time_selector_recalc_grid (mts); - e_meeting_time_selector_restore_position (mts, &saved_time); - - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); - e_meeting_time_selector_update_date_popup_menus (mts); -} - - -void -e_meeting_time_selector_set_zoomed_out (EMeetingTimeSelector *mts, - gboolean zoomed_out) -{ - EMeetingTimeSelectorTime saved_time; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - - if (mts->zoomed_out == zoomed_out) - return; - - mts->zoomed_out = zoomed_out; - - e_meeting_time_selector_save_position (mts, &saved_time); - e_meeting_time_selector_recalc_grid (mts); - e_meeting_time_selector_restore_position (mts, &saved_time); - - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); -} - - -EMeetingTimeSelectorAutopickOption -e_meeting_time_selector_get_autopick_option (EMeetingTimeSelector *mts) -{ - if (GTK_CHECK_MENU_ITEM (mts->autopick_all_item)->active) - return E_MEETING_TIME_SELECTOR_ALL_PEOPLE_AND_RESOURCES; - if (GTK_CHECK_MENU_ITEM (mts->autopick_all_people_one_resource_item)->active) - return E_MEETING_TIME_SELECTOR_ALL_PEOPLE_AND_ONE_RESOURCE; - if (GTK_CHECK_MENU_ITEM (mts->autopick_required_people_item)->active) - return E_MEETING_TIME_SELECTOR_REQUIRED_PEOPLE; - return E_MEETING_TIME_SELECTOR_REQUIRED_PEOPLE_AND_ONE_RESOURCE; -} - - -void -e_meeting_time_selector_set_autopick_option (EMeetingTimeSelector *mts, - EMeetingTimeSelectorAutopickOption autopick_option) -{ - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - - switch (autopick_option) { - case E_MEETING_TIME_SELECTOR_ALL_PEOPLE_AND_RESOURCES: - gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (mts->autopick_all_item), TRUE); - break; - case E_MEETING_TIME_SELECTOR_ALL_PEOPLE_AND_ONE_RESOURCE: - gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (mts->autopick_all_people_one_resource_item), TRUE); - break; - case E_MEETING_TIME_SELECTOR_REQUIRED_PEOPLE: - gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (mts->autopick_required_people_item), TRUE); - break; - case E_MEETING_TIME_SELECTOR_REQUIRED_PEOPLE_AND_ONE_RESOURCE: - gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (mts->autopick_required_people_one_resource_item), TRUE); - break; - } -} - - -/* Adds an attendee to the list, returning the row. The data is meant for - something like an address book id, though if the user edits the name this - will become invalid. We'll probably have to handle address book lookup - ourself. */ -gint -e_meeting_time_selector_attendee_add (EMeetingTimeSelector *mts, - gchar *attendee_name, - gpointer data) -{ - EMeetingTimeSelectorAttendee attendee; - GtkWidget *entry; - gint list_width, item_width; - - g_return_val_if_fail (IS_E_MEETING_TIME_SELECTOR (mts), -1); - g_return_val_if_fail (attendee_name != NULL, -1); - - attendee.name = g_strdup (attendee_name); - attendee.type = E_MEETING_TIME_SELECTOR_REQUIRED_PERSON; - attendee.has_calendar_info = FALSE; - attendee.send_meeting_to = TRUE; - attendee.busy_periods = g_array_new (FALSE, FALSE, - sizeof (EMeetingTimeSelectorPeriod)); - attendee.busy_periods_sorted = TRUE; - attendee.longest_period_in_days = 0; - attendee.data = data; - - /* Add to the list on the left. */ - entry = gtk_entry_new (); - gtk_entry_set_text (GTK_ENTRY (entry), attendee_name); - gtk_widget_show (entry); - list_width = GTK_WIDGET (mts->attendees_list)->allocation.width; - item_width = MAX (1, list_width - E_MEETING_TIME_SELECTOR_ICON_COLUMN_WIDTH); - attendee.text_item = gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (mts->attendees_list)->root), - gnome_canvas_widget_get_type (), - "GnomeCanvasWidget::widget", entry, - "GnomeCanvasWidget::size_pixels", TRUE, - "GnomeCanvasWidget::x", (gdouble) E_MEETING_TIME_SELECTOR_ICON_COLUMN_WIDTH, - "GnomeCanvasWidget::y", (gdouble) (mts->attendees->len * mts->row_height), - "GnomeCanvasWidget::width", (gdouble) item_width, - "GnomeCanvasWidget::height", (gdouble) mts->row_height, - NULL); - gnome_canvas_item_hide (attendee.text_item); - - g_array_append_val (mts->attendees, attendee); - - /* Update the scroll region. */ - e_meeting_time_selector_update_attendees_list_scroll_region (mts); - e_meeting_time_selector_update_main_canvas_scroll_region (mts); - - /* Redraw the canvases. */ - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); - - - return mts->attendees->len - 1; -} - - -gint -e_meeting_time_selector_attendee_find_by_name (EMeetingTimeSelector *mts, - gchar *attendee_name, - gint start_row) -{ - EMeetingTimeSelectorAttendee *attendee; - gint row; - - g_return_val_if_fail (IS_E_MEETING_TIME_SELECTOR (mts), -1); - g_return_val_if_fail (start_row >= 0, -1); - g_return_val_if_fail (start_row < mts->attendees->len, -1); - - for (row = start_row; row < mts->attendees->len; row++) { - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - if (!strcmp (attendee->name, attendee_name)) - return row; - } - - return -1; -} - - -gint -e_meeting_time_selector_attendee_find_by_data (EMeetingTimeSelector *mts, - gpointer data, - gint start_row) -{ - EMeetingTimeSelectorAttendee *attendee; - gint row; - - g_return_val_if_fail (IS_E_MEETING_TIME_SELECTOR (mts), -1); - g_return_val_if_fail (start_row >= 0, -1); - g_return_val_if_fail (start_row < mts->attendees->len, -1); - - for (row = start_row; row < mts->attendees->len; row++) { - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - if (attendee->data == data) - return row; - } - - return -1; -} - - -void -e_meeting_time_selector_attendee_remove (EMeetingTimeSelector *mts, - gint row) -{ - EMeetingTimeSelectorAttendee *attendee; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - g_return_if_fail (row >= 0); - g_return_if_fail (row < mts->attendees->len); - - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - - g_free (attendee->name); - g_array_free (attendee->busy_periods, TRUE); - - /* Destroy the GtkEntry in the list. */ - gtk_object_destroy (GTK_OBJECT (attendee->text_item)); - - g_array_remove_index (mts->attendees, row); - - /* Update the positions of all the other GtkEntry widgets. */ - e_meeting_time_selector_update_attendees_list_positions (mts); - - e_meeting_time_selector_update_attendees_list_scroll_region (mts); - e_meeting_time_selector_update_main_canvas_scroll_region (mts); - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); -} - - -void -e_meeting_time_selector_attendee_set_type (EMeetingTimeSelector *mts, - gint row, - EMeetingTimeSelectorAttendeeType type) -{ - EMeetingTimeSelectorAttendee *attendee; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - g_return_if_fail (row >= 0); - g_return_if_fail (row < mts->attendees->len); - - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - attendee->type = type; -} - - -void -e_meeting_time_selector_attendee_set_has_calendar_info (EMeetingTimeSelector *mts, - gint row, - gboolean has_calendar_info) -{ - EMeetingTimeSelectorAttendee *attendee; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - g_return_if_fail (row >= 0); - g_return_if_fail (row < mts->attendees->len); - - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - attendee->has_calendar_info = has_calendar_info; -} - - -void -e_meeting_time_selector_attendee_set_send_meeting_to (EMeetingTimeSelector *mts, - gint row, - gboolean send_meeting_to) -{ - EMeetingTimeSelectorAttendee *attendee; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - g_return_if_fail (row >= 0); - g_return_if_fail (row < mts->attendees->len); - - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - attendee->send_meeting_to = send_meeting_to; -} - - -/* Clears all busy times for the given attendee. */ -void -e_meeting_time_selector_attendee_clear_busy_periods (EMeetingTimeSelector *mts, - gint row) -{ - EMeetingTimeSelectorAttendee *attendee; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - g_return_if_fail (row >= 0); - g_return_if_fail (row < mts->attendees->len); - - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - - g_array_set_size (attendee->busy_periods, 0); - attendee->busy_periods_sorted = TRUE; - attendee->longest_period_in_days = 0; -} - - -/* Adds one busy time for the given attendee. It returns FALSE if the date - or time is invalid. Months and days count from 1. */ -gboolean -e_meeting_time_selector_attendee_add_busy_period (EMeetingTimeSelector *mts, - gint row, - gint start_year, - gint start_month, - gint start_day, - gint start_hour, - gint start_minute, - gint end_year, - gint end_month, - gint end_day, - gint end_hour, - gint end_minute, - EMeetingTimeSelectorBusyType busy_type) -{ - EMeetingTimeSelectorAttendee *attendee; - EMeetingTimeSelectorPeriod period; - gint period_in_days; - - g_return_val_if_fail (IS_E_MEETING_TIME_SELECTOR (mts), FALSE); - g_return_val_if_fail (row >= 0, FALSE); - g_return_val_if_fail (row < mts->attendees->len, FALSE); - g_return_val_if_fail (busy_type >= 0, FALSE); - g_return_val_if_fail (busy_type < E_MEETING_TIME_SELECTOR_BUSY_LAST, FALSE); - - /* Check the dates are valid. */ - if (!g_date_valid_dmy (start_day, start_month, start_year)) - return FALSE; - if (!g_date_valid_dmy (end_day, end_month, end_year)) - return FALSE; - if (start_hour < 0 || start_hour > 23) - return FALSE; - if (end_hour < 0 || end_hour > 23) - return FALSE; - if (start_minute < 0 || start_minute > 59) - return FALSE; - if (end_minute < 0 || end_minute > 59) - return FALSE; - - g_date_clear (&period.start.date, 1); - g_date_clear (&period.end.date, 1); - g_date_set_dmy (&period.start.date, start_day, start_month, start_year); - g_date_set_dmy (&period.end.date, end_day, end_month, end_year); - period.start.hour = start_hour; - period.start.minute = start_minute; - period.end.hour = end_hour; - period.end.minute = end_minute; - period.busy_type = busy_type; - - /* Check that the start time is before or equal to the end time. */ - if (e_meeting_time_selector_compare_times (&period.start, &period.end) > 0) - return FALSE; - - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - g_array_append_val (attendee->busy_periods, period); - attendee->has_calendar_info = TRUE; - attendee->busy_periods_sorted = FALSE; - - period_in_days = g_date_julian (&period.end.date) - g_date_julian (&period.start.date) + 1; - attendee->longest_period_in_days = MAX (attendee->longest_period_in_days, period_in_days); - - return TRUE; -} - - -void -e_meeting_time_selector_attendee_ensure_periods_sorted (EMeetingTimeSelector *mts, - EMeetingTimeSelectorAttendee *attendee) -{ - if (attendee->busy_periods_sorted) - return; - - qsort (attendee->busy_periods->data, attendee->busy_periods->len, - sizeof (EMeetingTimeSelectorPeriod), - e_meeting_time_selector_compare_period_starts); - attendee->busy_periods_sorted = TRUE; -} - - -/* This compares two time periods, using their end times. */ -static gint -e_meeting_time_selector_compare_period_starts (const void *arg1, - const void *arg2) -{ - EMeetingTimeSelectorPeriod *period1, *period2; - - period1 = (EMeetingTimeSelectorPeriod *) arg1; - period2 = (EMeetingTimeSelectorPeriod *) arg2; - - return e_meeting_time_selector_compare_times (&period1->start, - &period2->start); -} - - -/* This compares two time periods, using start and end times, mainly to see if - they overlap at all. If they overlap it returns 0. Or -1 if arg1 < arg2. - Or 1 if arg1 > arg2. */ -/* Currently unused. */ -#if 0 -static gint -e_meeting_time_selector_compare_periods (const void *arg1, - const void *arg2) -{ - EMeetingTimeSelectorPeriod *period1, *period2; - - period1 = (EMeetingTimeSelectorPeriod *) arg1; - period2 = (EMeetingTimeSelectorPeriod *) arg2; - - /* If period 2 starts after period 1 ends, return 1. */ - if (e_meeting_time_selector_compare_times (&period2->start, &period1->end) >= 0) - return 1; - - /* If period 1 starts after period 2 ends, return -1. */ - if (e_meeting_time_selector_compare_times (&period1->start, &period2->end) >= 0) - return -1; - - /* They must overlap so return 0. */ - return 0; -} -#endif - - -static gint -e_meeting_time_selector_compare_times (EMeetingTimeSelectorTime *time1, - EMeetingTimeSelectorTime *time2) -{ - gint day_comparison; - - day_comparison = g_date_compare (&time1->date, - &time2->date); - if (day_comparison != 0) - return day_comparison; - - if (time1->hour < time2->hour) - return -1; - if (time1->hour > time2->hour) - return 1; - - if (time1->minute < time2->minute) - return -1; - if (time1->minute > time2->minute) - return 1; - - /* The start times are exactly the same. */ - return 0; -} - - -/* - * DEBUGGING ROUTINES - functions to output various bits of data. - */ - -#ifdef E_MEETING_TIME_SELECTOR_DEBUG - -/* Debugging function to dump information on all attendees. */ -void -e_meeting_time_selector_dump (EMeetingTimeSelector *mts) -{ - EMeetingTimeSelectorAttendee *attendee; - EMeetingTimeSelectorPeriod *period; - gint row, period_num; - gchar buffer[128]; - - g_return_if_fail (IS_E_MEETING_TIME_SELECTOR (mts)); - - g_print ("\n\nAttendee Information:\n"); - - for (row = 0; row < mts->attendees->len; row++) { - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - g_print ("Attendee: %s\n", attendee->name); - g_print (" Longest Busy Period: %i days\n", - attendee->longest_period_in_days); - - e_meeting_time_selector_attendee_ensure_periods_sorted (mts, attendee); -#if 1 - for (period_num = 0; - period_num < attendee->busy_periods->len; - period_num++) { - period = &g_array_index (attendee->busy_periods, - EMeetingTimeSelectorPeriod, - period_num); - - g_date_strftime (buffer, 128, "%A, %B %d, %Y", - &period->start.date); - g_print (" Start: %s %i:%02i\n", buffer, - period->start.hour, period->start.minute); - - g_date_strftime (buffer, 128, "%A, %B %d, %Y", - &period->end.date); - g_print (" End : %s %i:%02i\n", buffer, - period->end.hour, period->end.minute); - } -#endif - } - -} - - -/* This formats a EMeetingTimeSelectorTime in a string and returns it. - Note that it uses a static buffer. */ -gchar* -e_meeting_time_selector_dump_time (EMeetingTimeSelectorTime *mtstime) -{ - static gchar buffer[128]; - - gchar buffer2[128]; - - g_date_strftime (buffer, 128, "%A, %B %d, %Y", &mtstime->date); - sprintf (buffer2, " at %i:%02i", (gint) mtstime->hour, - (gint) mtstime->minute); - strcat (buffer, buffer2); - - return buffer; -} - - -/* This formats a GDate in a string and returns it. - Note that it uses a static buffer. */ -gchar* -e_meeting_time_selector_dump_date (GDate *date) -{ - static gchar buffer[128]; - - g_date_strftime (buffer, 128, "%A, %B %d, %Y", date); - return buffer; -} - -#endif /* E_MEETING_TIME_SELECTOR_DEBUG */ - - -static void -e_meeting_time_selector_on_invite_others_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts) -{ - - -} - - -static void -e_meeting_time_selector_on_options_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts) -{ - gtk_menu_popup (GTK_MENU (mts->options_menu), NULL, NULL, - e_meeting_time_selector_options_menu_position_callback, - mts, 1, GDK_CURRENT_TIME); -} - - -static void -e_meeting_time_selector_options_menu_position_callback (GtkMenu *menu, - gint *x, - gint *y, - gpointer user_data) -{ - EMeetingTimeSelector *mts; - GtkRequisition menu_requisition; - gint max_x, max_y; - - mts = E_MEETING_TIME_SELECTOR (user_data); - - /* Calculate our preferred position. */ - gdk_window_get_origin (mts->options_button->window, x, y); - *y += mts->options_button->allocation.height; - - /* Now make sure we are on the screen. */ - gtk_widget_size_request (mts->options_menu, &menu_requisition); - max_x = MAX (0, gdk_screen_width () - menu_requisition.width); - max_y = MAX (0, gdk_screen_height () - menu_requisition.height); - *x = CLAMP (*x, 0, max_x); - *y = CLAMP (*y, 0, max_y); -} - - -static void -e_meeting_time_selector_on_update_free_busy (GtkWidget *button, - EMeetingTimeSelector *mts) -{ - - /* Make sure the menu pops down, which doesn't happen by default if - keyboard accelerators are used. */ - if (GTK_WIDGET_VISIBLE (mts->options_menu)) - gtk_menu_popdown (GTK_MENU (mts->options_menu)); -} - - -static void -e_meeting_time_selector_on_autopick_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts) -{ - gtk_menu_popup (GTK_MENU (mts->autopick_menu), NULL, NULL, - e_meeting_time_selector_autopick_menu_position_callback, - mts, 1, GDK_CURRENT_TIME); -} - - -static void -e_meeting_time_selector_autopick_menu_position_callback (GtkMenu *menu, - gint *x, - gint *y, - gpointer user_data) -{ - EMeetingTimeSelector *mts; - GtkRequisition menu_requisition; - gint max_x, max_y; - - mts = E_MEETING_TIME_SELECTOR (user_data); - - /* Calculate our preferred position. */ - gdk_window_get_origin (mts->autopick_button->window, x, y); - *y += mts->autopick_button->allocation.height; - - /* Now make sure we are on the screen. */ - gtk_widget_size_request (mts->autopick_menu, &menu_requisition); - max_x = MAX (0, gdk_screen_width () - menu_requisition.width); - max_y = MAX (0, gdk_screen_height () - menu_requisition.height); - *x = CLAMP (*x, 0, max_x); - *y = CLAMP (*y, 0, max_y); -} - - -static void -e_meeting_time_selector_on_autopick_option_toggled (GtkWidget *button, - EMeetingTimeSelector *mts) -{ - /* Make sure the menu pops down, which doesn't happen by default if - keyboard accelerators are used. */ - if (GTK_WIDGET_VISIBLE (mts->autopick_menu)) - gtk_menu_popdown (GTK_MENU (mts->autopick_menu)); -} - - -static void -e_meeting_time_selector_on_prev_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts) -{ - e_meeting_time_selector_autopick (mts, FALSE); -} - - -static void -e_meeting_time_selector_on_next_button_clicked (GtkWidget *button, - EMeetingTimeSelector *mts) -{ - e_meeting_time_selector_autopick (mts, TRUE); -} - - -/* This tries to find the previous or next meeting time for which all - attendees will be available. */ -static void -e_meeting_time_selector_autopick (EMeetingTimeSelector *mts, - gboolean forward) -{ - EMeetingTimeSelectorTime start_time, end_time, *resource_free; - EMeetingTimeSelectorAttendee *attendee; - EMeetingTimeSelectorPeriod *period; - EMeetingTimeSelectorAutopickOption autopick_option; - gint duration_days, duration_hours, duration_minutes, row; - gboolean meeting_time_ok, skip_optional = FALSE; - gboolean need_one_resource = FALSE, found_resource; - - /* Get the current meeting duration in days + hours + minutes. */ - e_meeting_time_selector_calculate_time_difference (&mts->meeting_start_time, &mts->meeting_end_time, &duration_days, &duration_hours, &duration_minutes); - - /* Find the first appropriate start time. */ - start_time = mts->meeting_start_time; - if (forward) - e_meeting_time_selector_find_nearest_interval (mts, &start_time, &end_time, duration_days, duration_hours, duration_minutes); - else - e_meeting_time_selector_find_nearest_interval_backward (mts, &start_time, &end_time, duration_days, duration_hours, duration_minutes); - - /* Determine if we can skip optional people and if we only need one - resource based on the autopick option. */ - autopick_option = e_meeting_time_selector_get_autopick_option (mts); - if (autopick_option == E_MEETING_TIME_SELECTOR_REQUIRED_PEOPLE - || autopick_option == E_MEETING_TIME_SELECTOR_REQUIRED_PEOPLE_AND_ONE_RESOURCE) - skip_optional = TRUE; - if (autopick_option == E_MEETING_TIME_SELECTOR_ALL_PEOPLE_AND_ONE_RESOURCE - || autopick_option == E_MEETING_TIME_SELECTOR_REQUIRED_PEOPLE_AND_ONE_RESOURCE) - need_one_resource = TRUE; - - /* Keep moving forward or backward until we find a possible meeting - time. */ - for (;;) { - meeting_time_ok = TRUE; - found_resource = FALSE; - resource_free = NULL; - - /* Step through each attendee, checking if the meeting time - intersects one of the attendees busy periods. */ - for (row = 0; row < mts->attendees->len; row++) { - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, - row); - - /* Skip optional people if they don't matter. */ - if (skip_optional && attendee->type == E_MEETING_TIME_SELECTOR_OPTIONAL_PERSON) - continue; - - period = e_meeting_time_selector_find_time_clash (mts, attendee, &start_time, &end_time); - - if (need_one_resource && attendee->type == E_MEETING_TIME_SELECTOR_RESOURCE) { - if (period) { - /* We want to remember the closest - prev/next time that one resource is - available, in case we don't find any - free resources. */ - if (forward) { - if (!resource_free || e_meeting_time_selector_compare_times (resource_free, &period->end) > 0) - resource_free = &period->end; - } else { - if (!resource_free || e_meeting_time_selector_compare_times (resource_free, &period->start) < 0) - resource_free = &period->start; - } - - } else { - found_resource = TRUE; - } - } else if (period) { - /* Skip the period which clashed. */ - if (forward) { - start_time = period->end; - } else { - start_time = period->start; - e_meeting_time_selector_adjust_time (&start_time, -duration_days, -duration_hours, -duration_minutes); - } - meeting_time_ok = FALSE; - break; - } - } - - /* Check that we found one resource if necessary. If not, skip - to the closest time that a resource is free. Note that if - there are no resources, resource_free will never get set, - so we assume the meeting time is OK. */ - if (meeting_time_ok && need_one_resource && !found_resource - && resource_free) { - if (forward) { - start_time = *resource_free; - } else { - start_time = *resource_free; - e_meeting_time_selector_adjust_time (&start_time, -duration_days, -duration_hours, -duration_minutes); - } - meeting_time_ok = FALSE; - } - - if (meeting_time_ok) { - mts->meeting_start_time = start_time; - mts->meeting_end_time = end_time; - mts->meeting_positions_valid = FALSE; - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); - - /* Make sure the time is shown. */ - e_meeting_time_selector_ensure_meeting_time_shown (mts); - - /* Set the times in the GnomeDateEdit widgets. */ - e_meeting_time_selector_update_start_date_edit (mts); - e_meeting_time_selector_update_end_date_edit (mts); - return; - } - - /* Move forward to the next possible interval. */ - if (forward) - e_meeting_time_selector_find_nearest_interval (mts, &start_time, &end_time, duration_days, duration_hours, duration_minutes); - else - e_meeting_time_selector_find_nearest_interval_backward (mts, &start_time, &end_time, duration_days, duration_hours, duration_minutes); - } -} - - -static void -e_meeting_time_selector_calculate_time_difference (EMeetingTimeSelectorTime *start, - EMeetingTimeSelectorTime *end, - gint *days, - gint *hours, - gint *minutes) -{ - *days = g_date_julian (&end->date) - g_date_julian (&start->date); - *hours = end->hour - start->hour; - *minutes = end->minute - start->minute; - if (*minutes < 0) { - *minutes += 60; - *hours = *hours - 1; - } - if (*hours < 0) { - *hours += 24; - *days = *days - 1; - } -} - - -/* This moves the given time forward to the next suitable start of a meeting. - If zoomed_out is set, this means every hour. If not every half-hour. */ -static void -e_meeting_time_selector_find_nearest_interval (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *start_time, - EMeetingTimeSelectorTime *end_time, - gint days, gint hours, gint mins) -{ - gint minutes_shown; - gboolean set_to_start_of_working_day = FALSE; - - if (mts->zoomed_out) { - start_time->hour++; - start_time->minute = 0; - } else { - start_time->minute += 30; - start_time->minute -= start_time->minute % 30; - } - e_meeting_time_selector_fix_time_overflows (start_time); - - *end_time = *start_time; - e_meeting_time_selector_adjust_time (end_time, days, hours, mins); - - /* Check if the interval is less than a day as seen in the display. - If it isn't we don't worry about the working day. */ - if (!mts->working_hours_only || days > 0) - return; - minutes_shown = (mts->day_end_hour - mts->day_start_hour) * 60; - minutes_shown += mts->day_end_minute - mts->day_start_minute; - if (hours * 60 + mins > minutes_shown) - return; - - /* If the meeting time finishes past the end of the working day, move - onto the start of the next working day. If the meeting time starts - before the working day, move it on as well. */ - if (start_time->hour > mts->day_end_hour - || (start_time->hour == mts->day_end_hour - && start_time->minute > mts->day_end_minute) - || end_time->hour > mts->day_end_hour - || (end_time->hour == mts->day_end_hour - && end_time->minute > mts->day_end_minute)) { - g_date_add_days (&start_time->date, 1); - set_to_start_of_working_day = TRUE; - } else if (start_time->hour < mts->day_start_hour - || (start_time->hour == mts->day_start_hour - && start_time->minute < mts->day_start_minute)) { - set_to_start_of_working_day = TRUE; - } - - if (set_to_start_of_working_day) { - start_time->hour = mts->day_start_hour; - start_time->minute = mts->day_start_minute; - - if (mts->zoomed_out) { - if (start_time->minute > 0) { - start_time->hour++; - start_time->minute = 0; - } - } else { - start_time->minute += 29; - start_time->minute -= start_time->minute % 30; - } - e_meeting_time_selector_fix_time_overflows (start_time); - - *end_time = *start_time; - e_meeting_time_selector_adjust_time (end_time, days, hours, mins); - } -} - - -/* This moves the given time backward to the next suitable start of a meeting. - If zoomed_out is set, this means every hour. If not every half-hour. */ -static void -e_meeting_time_selector_find_nearest_interval_backward (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *start_time, - EMeetingTimeSelectorTime *end_time, - gint days, gint hours, gint mins) -{ - gint new_hour, minutes_shown; - gboolean set_to_end_of_working_day = FALSE; - - new_hour = start_time->hour; - if (mts->zoomed_out) { - if (start_time->minute == 0) - new_hour--; - start_time->minute = 0; - } else { - if (start_time->minute == 0) { - start_time->minute = 30; - new_hour--; - } else if (start_time->minute <= 30) - start_time->minute = 0; - else - start_time->minute = 30; - } - if (new_hour < 0) { - new_hour += 24; - g_date_subtract_days (&start_time->date, 1); - } - start_time->hour = new_hour; - - *end_time = *start_time; - e_meeting_time_selector_adjust_time (end_time, days, hours, mins); - - /* Check if the interval is less than a day as seen in the display. - If it isn't we don't worry about the working day. */ - if (!mts->working_hours_only || days > 0) - return; - minutes_shown = (mts->day_end_hour - mts->day_start_hour) * 60; - minutes_shown += mts->day_end_minute - mts->day_start_minute; - if (hours * 60 + mins > minutes_shown) - return; - - /* If the meeting time finishes past the end of the working day, move - back to the end of the working day. If the meeting time starts - before the working day, move it back to the end of the previous - working day. */ - if (start_time->hour > mts->day_end_hour - || (start_time->hour == mts->day_end_hour - && start_time->minute > mts->day_end_minute) - || end_time->hour > mts->day_end_hour - || (end_time->hour == mts->day_end_hour - && end_time->minute > mts->day_end_minute)) { - set_to_end_of_working_day = TRUE; - } else if (start_time->hour < mts->day_start_hour - || (start_time->hour == mts->day_start_hour - && start_time->minute < mts->day_start_minute)) { - g_date_subtract_days (&end_time->date, 1); - set_to_end_of_working_day = TRUE; - } - - if (set_to_end_of_working_day) { - end_time->hour = mts->day_end_hour; - end_time->minute = mts->day_end_minute; - *start_time = *end_time; - e_meeting_time_selector_adjust_time (start_time, -days, -hours, -mins); - - if (mts->zoomed_out) { - start_time->minute = 0; - } else { - start_time->minute -= start_time->minute % 30; - } - - *end_time = *start_time; - e_meeting_time_selector_adjust_time (end_time, days, hours, mins); - } -} - - -/* This adds on the given days, hours & minutes to a EMeetingTimeSelectorTime. - It is used to calculate the end of a period given a start & duration. - Days, hours & minutes can be negative, to move backwards, but they should - be within normal ranges, e.g. hours should be between -23 and 23. */ -static void -e_meeting_time_selector_adjust_time (EMeetingTimeSelectorTime *mtstime, - gint days, gint hours, gint minutes) -{ - gint new_hours, new_minutes; - - /* We have to handle negative values for hous and minutes here, since - EMeetingTimeSelectorTime uses guint8s to store them. */ - new_minutes = mtstime->minute + minutes; - if (new_minutes < 0) { - new_minutes += 60; - hours -= 1; - } - - new_hours = mtstime->hour + hours; - if (new_hours < 0) { - new_hours += 24; - days -= 1; - } - - g_date_add_days (&mtstime->date, days); - mtstime->hour = new_hours; - mtstime->minute = new_minutes; - - e_meeting_time_selector_fix_time_overflows (mtstime); -} - - -/* This looks for any busy period of the given attendee which clashes with - the start and end time. It uses a binary search. */ -static EMeetingTimeSelectorPeriod* -e_meeting_time_selector_find_time_clash (EMeetingTimeSelector *mts, - EMeetingTimeSelectorAttendee *attendee, - EMeetingTimeSelectorTime *start_time, - EMeetingTimeSelectorTime *end_time) -{ - EMeetingTimeSelectorPeriod *period; - gint period_num; - - period_num = e_meeting_time_selector_find_first_busy_period (mts, attendee, &start_time->date); - - if (period_num == -1) - return NULL; - - /* Step forward through the busy periods until we find a clash or we - go past the end_time. */ - while (period_num < attendee->busy_periods->len) { - period = &g_array_index (attendee->busy_periods, - EMeetingTimeSelectorPeriod, - period_num); - - /* If the period starts at or after the end time, there is no - clash and we are finished. The busy periods are sorted by - their start times, so all the rest will be later. */ - if (e_meeting_time_selector_compare_times (&period->start, - end_time) >= 0) - return NULL; - - /* If the period ends after the start time, we have found a - clash. From the above test we already know the busy period - isn't completely after the meeting time. */ - if (e_meeting_time_selector_compare_times (&period->end, - start_time) > 0) { - return period; - } - - period_num++; - } - - return NULL; -} - - -/* This subtracts the attendees longest_period_in_days from the given date, - and does a binary search of the attendee's busy periods array to find the - first one which could possible end on the given day or later. - If none are found it returns -1. */ -gint -e_meeting_time_selector_find_first_busy_period (EMeetingTimeSelector *mts, - EMeetingTimeSelectorAttendee *attendee, - GDate *date) -{ - EMeetingTimeSelectorPeriod *period; - gint lower, upper, middle, cmp = 0; - GDate tmp_date; - - /* Make sure the busy periods have been sorted. */ - e_meeting_time_selector_attendee_ensure_periods_sorted (mts, attendee); - - /* Calculate the first day which could have a busy period which - continues onto our given date. */ - tmp_date = *date; - g_date_subtract_days (&tmp_date, attendee->longest_period_in_days); - - /* We want the first busy period which starts on tmp_date. */ - lower = 0; - upper = attendee->busy_periods->len; - - if (upper == 0) - return -1; - - while (lower < upper) { - middle = (lower + upper) >> 1; - - period = &g_array_index (attendee->busy_periods, - EMeetingTimeSelectorPeriod, middle); - - cmp = g_date_compare (&tmp_date, &period->start.date); - - if (cmp == 0) - break; - else if (cmp < 0) - upper = middle; - else - lower = middle + 1; - } - - /* There may be several busy periods on the same day so we step - backwards to the first one. */ - if (cmp == 0) { - while (middle > 0) { - period = &g_array_index (attendee->busy_periods, - EMeetingTimeSelectorPeriod, middle - 1); - if (g_date_compare (&tmp_date, &period->start.date) != 0) - break; - middle--; - } - } else if (cmp > 0) { - /* This means we couldn't find a period on the given day, and - the last one we looked at was before it, so if there are - any more periods after this one we return it. */ - middle++; - if (attendee->busy_periods->len <= middle) - return -1; - } - - return middle; -} - - -static void -e_meeting_time_selector_on_zoomed_out_toggled (GtkWidget *menuitem, - EMeetingTimeSelector *mts) -{ - /* Make sure the menu pops down, which doesn't happen by default if - keyboard accelerators are used. */ - if (GTK_WIDGET_VISIBLE (mts->options_menu)) - gtk_menu_popdown (GTK_MENU (mts->options_menu)); - - e_meeting_time_selector_set_zoomed_out (mts, GTK_CHECK_MENU_ITEM (menuitem)->active); -} - - -static void -e_meeting_time_selector_on_working_hours_toggled (GtkWidget *menuitem, - EMeetingTimeSelector *mts) -{ - /* Make sure the menu pops down, which doesn't happen by default if - keyboard accelerators are used. */ - if (GTK_WIDGET_VISIBLE (mts->options_menu)) - gtk_menu_popdown (GTK_MENU (mts->options_menu)); - - e_meeting_time_selector_set_working_hours_only (mts, GTK_CHECK_MENU_ITEM (menuitem)->active); -} - - -/* This recalculates day_width, first_hour_shown and last_hour_shown. */ -static void -e_meeting_time_selector_recalc_grid (EMeetingTimeSelector *mts) -{ - if (mts->working_hours_only) { - mts->first_hour_shown = mts->day_start_hour; - mts->last_hour_shown = mts->day_end_hour; - if (mts->day_end_minute != 0) - mts->last_hour_shown += 1; - } else { - mts->first_hour_shown = 0; - mts->last_hour_shown = 24; - } - - /* In the brief view we use the nearest hours divisible by 3. */ - if (mts->zoomed_out) { - mts->first_hour_shown -= mts->first_hour_shown % 3; - mts->last_hour_shown += 2; - mts->last_hour_shown -= mts->last_hour_shown % 3; - } - - mts->day_width = mts->col_width * (mts->last_hour_shown - mts->first_hour_shown); - if (mts->zoomed_out) - mts->day_width /= 3; - - /* Add one pixel for the extra vertical grid line. */ - mts->day_width++; - - gnome_canvas_set_scroll_region (GNOME_CANVAS (mts->display_top), - 0, 0, - mts->day_width * E_MEETING_TIME_SELECTOR_DAYS_SHOWN, - mts->row_height * 3); - e_meeting_time_selector_update_main_canvas_scroll_region (mts); - - e_meeting_time_selector_recalc_date_format (mts); - mts->meeting_positions_valid = FALSE; -} - - -/* This saves the first visible time in the given EMeetingTimeSelectorTime. */ -static void -e_meeting_time_selector_save_position (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *mtstime) -{ - gint scroll_x, scroll_y; - - gnome_canvas_get_scroll_offsets (GNOME_CANVAS (mts->display_main), - &scroll_x, &scroll_y); - e_meeting_time_selector_calculate_time (mts, scroll_x, mtstime); -} - - -/* This restores a saved position. */ -static void -e_meeting_time_selector_restore_position (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *mtstime) -{ - gint scroll_x, scroll_y, new_scroll_x; - - new_scroll_x = e_meeting_time_selector_calculate_time_position (mts, - mtstime); - gnome_canvas_get_scroll_offsets (GNOME_CANVAS (mts->display_main), - &scroll_x, &scroll_y); - gnome_canvas_scroll_to (GNOME_CANVAS (mts->display_main), - new_scroll_x, scroll_y); -} - - -/* This returns the x pixel coords of the meeting time in the entire scroll - region. It recalculates them if they have been marked as invalid. - If it returns FALSE then no meeting time is set or the meeting time is - not visible in the current scroll area. */ -gboolean -e_meeting_time_selector_get_meeting_time_positions (EMeetingTimeSelector *mts, - gint *start_x, - gint *end_x) -{ - if (mts->meeting_positions_valid) { - if (mts->meeting_positions_in_scroll_area) { - *start_x = mts->meeting_start_x; - *end_x = mts->meeting_end_x; - return TRUE; - } else { - return FALSE; - } - } - - mts->meeting_positions_valid = TRUE; - - /* Check if the days aren't in our current range. */ - if (g_date_compare (&mts->meeting_start_time.date, &mts->last_date_shown) > 0 - || g_date_compare (&mts->meeting_end_time.date, &mts->first_date_shown) < 0) { - mts->meeting_positions_in_scroll_area = FALSE; - return FALSE; - } - - mts->meeting_positions_in_scroll_area = TRUE; - *start_x = mts->meeting_start_x = e_meeting_time_selector_calculate_time_position (mts, &mts->meeting_start_time); - *end_x = mts->meeting_end_x = e_meeting_time_selector_calculate_time_position (mts, &mts->meeting_end_time); - - return TRUE; -} - - -/* This recalculates the date format to used, by computing the width of the - longest date strings in the widget's font and seeing if they fit. */ -static void -e_meeting_time_selector_recalc_date_format (EMeetingTimeSelector *mts) -{ - GDate date; - gint max_date_width, base_width, max_weekday_width, max_month_width; - gint weekday, month; - gchar buffer[128]; - GdkFont *font; - - font = GTK_WIDGET (mts)->style->font; - - /* Check if we will be able to display the full date strings. */ - mts->date_format = E_MEETING_TIME_SELECTOR_DATE_SHORT; - g_date_clear (&date, 1); - g_date_set_dmy (&date, 20, 1, 2000); - - /* Calculate the maximum date width we can fit into the display. */ - max_date_width = mts->day_width - 2; - - /* First compute the width of the date string without the day or - month names. */ - g_date_strftime (buffer, 128, ", %d, %Y", &date); - base_width = gdk_string_width (font, buffer); - - /* If that doesn't fit just return. We have to use the short format. - If that doesn't fit it will just be clipped. */ - if (gdk_string_width (font, buffer) > max_date_width) - return; - - /* Now find the biggest weekday name. We start on any day and just - go through seven days. */ - max_weekday_width = 0; - for (weekday = 1; weekday <= 7; weekday++) { - g_date_strftime (buffer, 128, "%A", &date); - max_weekday_width = MAX (max_weekday_width, - gdk_string_width (font, buffer)); - g_date_add_days (&date, 1); - } - - /* Now find the biggest month name. */ - max_month_width = 0; - for (month = 1; month <= 12; month++) { - g_date_set_month (&date, month); - g_date_strftime (buffer, 128, "%B", &date); - max_month_width = MAX (max_month_width, - gdk_string_width (font, buffer)); - } - - /* See if we can use the full date. */ - if (base_width + max_month_width + max_weekday_width <= max_date_width) { - mts->date_format = E_MEETING_TIME_SELECTOR_DATE_FULL; - return; - } - - /* Now try it with abbreviated weekday names. */ - g_date_strftime (buffer, 128, " %x", &date); - base_width = gdk_string_width (font, buffer); - - max_weekday_width = 0; - for (weekday = 1; weekday <= 7; weekday++) { - g_date_strftime (buffer, 128, "%a", &date); - max_weekday_width = MAX (max_weekday_width, - gdk_string_width (font, buffer)); - g_date_add_days (&date, 1); - } - - if (base_width + max_weekday_width <= max_date_width) - mts->date_format = E_MEETING_TIME_SELECTOR_DATE_ABBREVIATED_DAY; -} - - -/* Turn off the background of the canvas windows. This reduces flicker - considerably when scrolling. (Why isn't it in GnomeCanvas?). */ -static void -e_meeting_time_selector_on_canvas_realized (GtkWidget *widget, - EMeetingTimeSelector *mts) -{ - gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, - NULL, FALSE); -} - - -/* This is called when the meeting start time GnomeDateEdit is changed, - either via the "date_changed". "time_changed" or "activate" signals on one - of the GtkEntry widgets. So don't use the widget parameter since it may be - one of the child GtkEntry widgets. */ -static void -e_meeting_time_selector_on_start_time_changed (GtkWidget *widget, - EMeetingTimeSelector *mts) -{ - gint duration_days, duration_hours, duration_minutes; - EMeetingTimeSelectorTime mtstime; - time_t newtime; - struct tm *newtime_tm; - - newtime = gnome_date_edit_get_date (GNOME_DATE_EDIT (mts->start_date_edit)); - newtime_tm = localtime (&newtime); - g_date_clear (&mtstime.date, 1); - g_date_set_time (&mtstime.date, newtime); - mtstime.hour = newtime_tm->tm_hour; - mtstime.minute = newtime_tm->tm_min; - - /* If the time hasn't changed, just return. */ - if (e_meeting_time_selector_compare_times (&mtstime, &mts->meeting_start_time) == 0) - return; - - /* Calculate the current meeting duration. */ - e_meeting_time_selector_calculate_time_difference (&mts->meeting_start_time, &mts->meeting_end_time, &duration_days, &duration_hours, &duration_minutes); - - /* Set the new start time. */ - mts->meeting_start_time = mtstime; - - /* Update the end time so the meeting duration stays the same. */ - mts->meeting_end_time = mts->meeting_start_time; - e_meeting_time_selector_adjust_time (&mts->meeting_end_time, duration_days, duration_hours, duration_minutes); - e_meeting_time_selector_update_end_date_edit (mts); - - mts->meeting_positions_valid = FALSE; - e_meeting_time_selector_ensure_meeting_time_shown (mts); - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); -} - - -/* This is called when the meeting end time GnomeDateEdit is changed, - either via the "date_changed", "time_changed" or "activate" signals on one - of the GtkEntry widgets. So don't use the widget parameter since it may be - one of the child GtkEntry widgets. */ -static void -e_meeting_time_selector_on_end_time_changed (GtkWidget *widget, - EMeetingTimeSelector *mts) -{ - EMeetingTimeSelectorTime mtstime; - time_t newtime; - struct tm *newtime_tm; - - newtime = gnome_date_edit_get_date (GNOME_DATE_EDIT (mts->end_date_edit)); - newtime_tm = localtime (&newtime); - g_date_clear (&mtstime.date, 1); - g_date_set_time (&mtstime.date, newtime); - mtstime.hour = newtime_tm->tm_hour; - mtstime.minute = newtime_tm->tm_min; - - /* If the time hasn't changed, just return. */ - if (e_meeting_time_selector_compare_times (&mtstime, &mts->meeting_end_time) == 0) - return; - - /* Set the new end time. */ - mts->meeting_end_time = mtstime; - - /* If the start time is after the end time, set it to the same time. */ - if (e_meeting_time_selector_compare_times (&mtstime, &mts->meeting_start_time) < 0) { - /* We set it first, before updating the widget, so the signal - handler will just return. */ - mts->meeting_start_time = mtstime; - e_meeting_time_selector_update_start_date_edit (mts); - } - - mts->meeting_positions_valid = FALSE; - e_meeting_time_selector_ensure_meeting_time_shown (mts); - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); -} - - -/* This updates the ranges shown in the GnomeDateEdit popup menus, according - to working_hours_only etc. */ -static void -e_meeting_time_selector_update_date_popup_menus (EMeetingTimeSelector *mts) -{ - GnomeDateEdit *start_edit, *end_edit; - gint low_hour, high_hour; - - start_edit = GNOME_DATE_EDIT (mts->start_date_edit); - end_edit = GNOME_DATE_EDIT (mts->end_date_edit); - - if (mts->working_hours_only) { - low_hour = mts->day_start_hour; - high_hour = mts->day_end_hour; - } else { - low_hour = 0; - high_hour = 23; - } - - gnome_date_edit_set_popup_range (start_edit, low_hour, high_hour); - gnome_date_edit_set_popup_range (end_edit, low_hour, high_hour); -} - - -static void -e_meeting_time_selector_on_canvas_size_allocate (GtkWidget *widget, - GtkAllocation *allocation, - EMeetingTimeSelector *mts) -{ - e_meeting_time_selector_update_main_canvas_scroll_region (mts); - - e_meeting_time_selector_ensure_meeting_time_shown (mts); -} - - -static void -e_meeting_time_selector_on_attendees_list_size_allocate (GtkWidget *widget, - GtkAllocation *allocation, - EMeetingTimeSelector *mts) -{ - e_meeting_time_selector_update_attendees_list_scroll_region (mts); - e_meeting_time_selector_update_attendees_list_positions (mts); -} - - -/* This updates the list canvas scroll region according to the number of - attendees. If the total height needed is less than the height of the canvas, - we must use the height of the canvas, or it causes problems. */ -static void -e_meeting_time_selector_update_attendees_list_scroll_region (EMeetingTimeSelector *mts) -{ - gint height, canvas_width, canvas_height; - - height = mts->row_height * mts->attendees->len; - canvas_width = GTK_WIDGET (mts->attendees_list)->allocation.width; - canvas_height = GTK_WIDGET (mts->attendees_list)->allocation.height; - - height = MAX (height, canvas_height); - - gnome_canvas_set_scroll_region (GNOME_CANVAS (mts->attendees_list), - 0, 0, - canvas_width, - height); -} - - -/* This updates the canvas scroll regions according to the number of attendees. - If the total height needed is less than the height of the canvas, we must - use the height of the canvas, or it causes problems. */ -static void -e_meeting_time_selector_update_main_canvas_scroll_region (EMeetingTimeSelector *mts) -{ - gint height, canvas_height, list_width; - - height = mts->row_height * mts->attendees->len; - canvas_height = GTK_WIDGET (mts->display_main)->allocation.height; - list_width = GTK_WIDGET (mts->attendees_list)->allocation.width; - - height = MAX (height, canvas_height); - - gnome_canvas_set_scroll_region (GNOME_CANVAS (mts->attendees_list), - 0, 0, - list_width, - height); - gnome_canvas_set_scroll_region (GNOME_CANVAS (mts->display_main), - 0, 0, - mts->day_width * E_MEETING_TIME_SELECTOR_DAYS_SHOWN, - height); -} - - -/* This changes the meeting time based on the given x coordinate and whether - we are dragging the start or end bar. It returns the new position, which - will be swapped if the start bar is dragged past the end bar or vice versa. - It make sure the meeting time is never dragged outside the visible canvas - area. */ -void -e_meeting_time_selector_drag_meeting_time (EMeetingTimeSelector *mts, - gint x) -{ - EMeetingTimeSelectorTime first_time, last_time, drag_time, *time_to_set; - gint scroll_x, scroll_y, canvas_width; - gboolean set_both_times = FALSE; - - /* Get the x coords of visible part of the canvas. */ - gnome_canvas_get_scroll_offsets (GNOME_CANVAS (mts->display_main), - &scroll_x, &scroll_y); - canvas_width = mts->display_main->allocation.width; - - /* Save the x coordinate for the timeout handler. */ - mts->last_drag_x = (x < scroll_x) ? x - scroll_x - : x - scroll_x - canvas_width + 1; - - /* Check if the mouse is off the edge of the canvas. */ - if (x < scroll_x || x > scroll_x + canvas_width) { - /* If we haven't added a timeout function, add one. */ - if (mts->auto_scroll_timeout_id == 0) { - mts->auto_scroll_timeout_id = g_timeout_add (60, e_meeting_time_selector_timeout_handler, mts); - mts->scroll_count = 0; - - /* Call the handler to start scrolling now. */ - e_meeting_time_selector_timeout_handler (mts); - return; - } - } else { - e_meeting_time_selector_remove_timeout (mts); - } - - /* Calculate the minimum & maximum times we can use, based on the - scroll offsets and whether zoomed_out is set. */ - e_meeting_time_selector_calculate_time (mts, scroll_x, &first_time); - e_meeting_time_selector_calculate_time (mts, scroll_x + canvas_width - 1, - &last_time); - if (mts->zoomed_out) { - if (first_time.minute > 30) - first_time.hour++; - first_time.minute = 0; - last_time.minute = 0; - } else { - first_time.minute += 15; - first_time.minute -= first_time.minute % 30; - last_time.minute -= last_time.minute % 30; - } - e_meeting_time_selector_fix_time_overflows (&first_time); - e_meeting_time_selector_fix_time_overflows (&last_time); - - /* Calculate the time from x coordinate. */ - e_meeting_time_selector_calculate_time (mts, x, &drag_time); - - /* Calculate the nearest half-hour or hour, depending on whether - zoomed_out is set. */ - if (mts->zoomed_out) { - if (drag_time.minute > 30) - drag_time.hour++; - drag_time.minute = 0; - } else { - drag_time.minute += 15; - drag_time.minute -= drag_time.minute % 30; - } - e_meeting_time_selector_fix_time_overflows (&drag_time); - - /* Now make sure we are between first_time & last_time. */ - if (e_meeting_time_selector_compare_times (&drag_time, &first_time) < 0) - drag_time = first_time; - if (e_meeting_time_selector_compare_times (&drag_time, &last_time) > 0) - drag_time = last_time; - - /* Set the meeting start or end time to drag_time. */ - if (mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_START) - time_to_set = &mts->meeting_start_time; - else - time_to_set = &mts->meeting_end_time; - - /* If the time is unchanged, just return. */ - if (e_meeting_time_selector_compare_times (time_to_set, &drag_time) == 0) - return; - - *time_to_set = drag_time; - - /* Check if the start time and end time need to be switched. */ - if (e_meeting_time_selector_compare_times (&mts->meeting_start_time, - &mts->meeting_end_time) > 0) { - drag_time = mts->meeting_start_time; - mts->meeting_start_time = mts->meeting_end_time; - mts->meeting_end_time = drag_time; - - if (mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_START) - mts->dragging_position = E_MEETING_TIME_SELECTOR_POS_END; - else - mts->dragging_position = E_MEETING_TIME_SELECTOR_POS_START; - - set_both_times = TRUE; - } - - /* Mark the calculated positions as invalid. */ - mts->meeting_positions_valid = FALSE; - - /* Redraw the canvases. */ - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); - - /* Set the times in the GnomeDateEdit widgets. */ - if (set_both_times - || mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_START) - e_meeting_time_selector_update_start_date_edit (mts); - - if (set_both_times - || mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_END) - e_meeting_time_selector_update_end_date_edit (mts); -} - - -/* This is the timeout function which handles auto-scrolling when the user is - dragging one of the meeting time vertical bars outside the left or right - edge of the canvas. */ -static gboolean -e_meeting_time_selector_timeout_handler (gpointer data) -{ - EMeetingTimeSelector *mts; - EMeetingTimeSelectorTime drag_time, *time_to_set; - gint scroll_x, max_scroll_x, scroll_y, canvas_width; - gint scroll_speed, scroll_offset; - gboolean set_both_times = FALSE; - - mts = E_MEETING_TIME_SELECTOR (data); - - GDK_THREADS_ENTER (); - - /* Return if we don't need to scroll yet. */ - if (mts->scroll_count-- > 0) { - GDK_THREADS_LEAVE (); - return TRUE; - } - - /* Get the x coords of visible part of the canvas. */ - gnome_canvas_get_scroll_offsets (GNOME_CANVAS (mts->display_main), - &scroll_x, &scroll_y); - canvas_width = mts->display_main->allocation.width; - - /* Calculate the scroll delay, between 0 and MAX_SCROLL_SPEED. */ - scroll_speed = abs (mts->last_drag_x / E_MEETING_TIME_SELECTOR_SCROLL_INCREMENT_WIDTH); - scroll_speed = MIN (scroll_speed, - E_MEETING_TIME_SELECTOR_MAX_SCROLL_SPEED); - - /* Reset the scroll count. */ - mts->scroll_count = E_MEETING_TIME_SELECTOR_MAX_SCROLL_SPEED - scroll_speed; - - /* Calculate how much we need to scroll. */ - if (mts->last_drag_x >= 0) - scroll_offset = mts->col_width; - else - scroll_offset = -mts->col_width; - - scroll_x += scroll_offset; - max_scroll_x = (mts->day_width * E_MEETING_TIME_SELECTOR_DAYS_SHOWN) - - canvas_width; - scroll_x = CLAMP (scroll_x, 0, max_scroll_x); - - /* Calculate the minimum or maximum visible time in the canvas, which - we will now set the dragged time to. */ - if (scroll_offset > 0) { - e_meeting_time_selector_calculate_time (mts, - scroll_x + canvas_width - 1, - &drag_time); - if (mts->zoomed_out) { - drag_time.minute = 0; - } else { - drag_time.minute -= drag_time.minute % 30; - } - } else { - e_meeting_time_selector_calculate_time (mts, scroll_x, - &drag_time); - if (mts->zoomed_out) { - if (drag_time.minute > 30) - drag_time.hour++; - drag_time.minute = 0; - } else { - drag_time.minute += 15; - drag_time.minute -= drag_time.minute % 30; - } - } - e_meeting_time_selector_fix_time_overflows (&drag_time); - - /* Set the meeting start or end time to drag_time. */ - if (mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_START) - time_to_set = &mts->meeting_start_time; - else - time_to_set = &mts->meeting_end_time; - - /* If the time is unchanged, just return. */ - if (e_meeting_time_selector_compare_times (time_to_set, &drag_time) == 0) { - GDK_THREADS_LEAVE (); - return TRUE; - } - - *time_to_set = drag_time; - - /* Check if the start time and end time need to be switched. */ - if (e_meeting_time_selector_compare_times (&mts->meeting_start_time, &mts->meeting_end_time) > 0) { - drag_time = mts->meeting_start_time; - mts->meeting_start_time = mts->meeting_end_time; - mts->meeting_end_time = drag_time; - - if (mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_START) - mts->dragging_position = E_MEETING_TIME_SELECTOR_POS_END; - else - mts->dragging_position = E_MEETING_TIME_SELECTOR_POS_START; - - set_both_times = TRUE; - } - - /* Mark the calculated positions as invalid. */ - mts->meeting_positions_valid = FALSE; - - /* Set the times in the GnomeDateEdit widgets. */ - if (set_both_times - || mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_START) - e_meeting_time_selector_update_start_date_edit (mts); - - if (set_both_times - || mts->dragging_position == E_MEETING_TIME_SELECTOR_POS_END) - e_meeting_time_selector_update_end_date_edit (mts); - - /* Redraw the canvases. We freeze and thaw the layouts so that they - get redrawn completely. Otherwise the pixels get scrolled left or - right which is not good for us (since our vertical bars have been - moved) and causes flicker. */ - gtk_layout_freeze (GTK_LAYOUT (mts->display_main)); - gtk_layout_freeze (GTK_LAYOUT (mts->display_top)); - gnome_canvas_scroll_to (GNOME_CANVAS (mts->display_main), - scroll_x, scroll_y); - gnome_canvas_scroll_to (GNOME_CANVAS (mts->display_top), - scroll_x, scroll_y); - gtk_layout_thaw (GTK_LAYOUT (mts->display_main)); - gtk_layout_thaw (GTK_LAYOUT (mts->display_top)); - - GDK_THREADS_LEAVE (); - return TRUE; -} - - -/* This removes our auto-scroll timeout function, if we have one installed. */ -void -e_meeting_time_selector_remove_timeout (EMeetingTimeSelector *mts) -{ - if (mts->auto_scroll_timeout_id) { - g_source_remove (mts->auto_scroll_timeout_id); - mts->auto_scroll_timeout_id = 0; - } -} - - -/* This updates the GnomeDateEdit widget displaying the meeting start time. */ -static void -e_meeting_time_selector_update_start_date_edit (EMeetingTimeSelector *mts) -{ - struct tm start_tm; - time_t start_time_t; - - g_date_to_struct_tm (&mts->meeting_start_time.date, &start_tm); - start_tm.tm_hour = mts->meeting_start_time.hour; - start_tm.tm_min = mts->meeting_start_time.minute; - start_time_t = mktime (&start_tm); - gnome_date_edit_set_time (GNOME_DATE_EDIT (mts->start_date_edit), - start_time_t); -} - - -/* This updates the GnomeDateEdit widget displaying the meeting end time. */ -static void -e_meeting_time_selector_update_end_date_edit (EMeetingTimeSelector *mts) -{ - struct tm end_tm; - time_t end_time_t; - - g_date_to_struct_tm (&mts->meeting_end_time.date, &end_tm); - end_tm.tm_hour = mts->meeting_end_time.hour; - end_tm.tm_min = mts->meeting_end_time.minute; - end_time_t = mktime (&end_tm); - gnome_date_edit_set_time (GNOME_DATE_EDIT (mts->end_date_edit), - end_time_t); -} - - -/* This ensures that the meeting time is shown on screen, by scrolling the - canvas and possibly by changing the range of dates shown in the canvas. */ -static void -e_meeting_time_selector_ensure_meeting_time_shown (EMeetingTimeSelector *mts) -{ - gint start_x, end_x, scroll_x, scroll_y, canvas_width; - gint new_scroll_x; - gboolean fits_in_canvas; - - /* Check if we need to change the range of dates shown. */ - if (g_date_compare (&mts->meeting_start_time.date, - &mts->first_date_shown) < 0 - || g_date_compare (&mts->meeting_end_time.date, - &mts->last_date_shown) > 0) { - e_meeting_time_selector_update_dates_shown (mts); - gtk_widget_queue_draw (mts->display_top); - gtk_widget_queue_draw (mts->display_main); - } - - /* If all of the meeting time is visible, just return. */ - e_meeting_time_selector_get_meeting_time_positions (mts, &start_x, - &end_x); - gnome_canvas_get_scroll_offsets (GNOME_CANVAS (mts->display_main), - &scroll_x, &scroll_y); - canvas_width = mts->display_main->allocation.width; - if (start_x > scroll_x && end_x <= scroll_x + canvas_width) - return; - - fits_in_canvas = end_x - start_x < canvas_width ? TRUE : FALSE; - - /* If the meeting is not entirely visible, either center it if it is - smaller than the canvas, or show the start of it if it is big. */ - if (fits_in_canvas) { - new_scroll_x = (start_x + end_x - canvas_width) / 2; - } else { - new_scroll_x = start_x; - } - gnome_canvas_scroll_to (GNOME_CANVAS (mts->display_main), - new_scroll_x, scroll_y); -} - - -/* This updates the range of dates shown in the canvas, to make sure that the - currently selected meeting time is in the range. */ -static void -e_meeting_time_selector_update_dates_shown (EMeetingTimeSelector *mts) -{ - mts->first_date_shown = mts->meeting_start_time.date; - g_date_subtract_days (&mts->first_date_shown, 60); - - mts->last_date_shown = mts->first_date_shown; - g_date_add_days (&mts->last_date_shown, E_MEETING_TIME_SELECTOR_DAYS_SHOWN - 1); -} - - -/* This checks if the time's hour is over 24 or its minute is over 60 and if - so it updates the day/hour appropriately. Note that hours and minutes are - stored in guint8's so they can't overflow by much. */ -void -e_meeting_time_selector_fix_time_overflows (EMeetingTimeSelectorTime *mtstime) -{ - gint hours_to_add, days_to_add; - - hours_to_add = mtstime->minute / 60; - if (hours_to_add > 0) { - mtstime->minute -= hours_to_add * 60; - mtstime->hour += hours_to_add; - } - - days_to_add = mtstime->hour / 24; - if (days_to_add > 0) { - mtstime->hour -= days_to_add * 24; - g_date_add_days (&mtstime->date, days_to_add); - } -} - - -static void -e_meeting_time_selector_update_attendees_list_positions (EMeetingTimeSelector *mts) -{ - EMeetingTimeSelectorAttendee *attendee; - gint list_width, item_width; - gint row; - - list_width = GTK_WIDGET (mts->attendees_list)->allocation.width; - item_width = MAX (1, list_width - E_MEETING_TIME_SELECTOR_ICON_COLUMN_WIDTH); - for (row = 0; row < mts->attendees->len; row++) { - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - - gnome_canvas_item_set (attendee->text_item, - "GnomeCanvasWidget::y", (gdouble) (row * mts->row_height), - "GnomeCanvasWidget::width", (gdouble) item_width, - "GnomeCanvasWidget::height", (gdouble) (mts->row_height), - NULL); - - gnome_canvas_item_show (attendee->text_item); - } - -} - - -/* - * CONVERSION ROUTINES - functions to convert between different coordinate - * spaces and dates. - */ - -/* This takes an x pixel coordinate within the entire canvas scroll region and - returns the date in which it falls. If day_position is not NULL it also - returns the x coordinate within the date, relative to the visible part of - the canvas. It is used when painting the days in the item_draw function. - Note that it must handle negative x coordinates in case we are dragging off - the edge of the canvas. */ -void -e_meeting_time_selector_calculate_day_and_position (EMeetingTimeSelector *mts, - gint x, - GDate *date, - gint *day_position) -{ - gint days_from_first_shown; - - *date = mts->first_date_shown; - - if (x >= 0) { - days_from_first_shown = x / mts->day_width; - g_date_add_days (date, days_from_first_shown); - if (day_position) - *day_position = - x % mts->day_width; - } else { - days_from_first_shown = -x / mts->day_width + 1; - g_date_subtract_days (date, days_from_first_shown); - if (day_position) - *day_position = -mts->day_width - x % mts->day_width; - } -} - - -/* This takes an x pixel coordinate within a day, and converts it to hours - and minutes, depending on working_hours_only and zoomed_out. */ -void -e_meeting_time_selector_convert_day_position_to_hours_and_mins (EMeetingTimeSelector *mts, gint day_position, guint8 *hours, guint8 *minutes) -{ - if (mts->zoomed_out) - day_position *= 3; - - /* Calculate the hours & minutes from the first displayed. */ - *hours = day_position / mts->col_width; - *minutes = (day_position % mts->col_width) * 60 / mts->col_width; - - /* Now add on the first hour shown. */ - *hours += mts->first_hour_shown; -} - - -/* This takes an x pixel coordinate within the entire canvas scroll region and - returns the time in which it falls. Note that it won't be extremely - accurate since hours may only be a few pixels wide in the display. - With zoomed_out set each pixel may represent 5 minutes or more, depending - on how small the font is. */ -void -e_meeting_time_selector_calculate_time (EMeetingTimeSelector *mts, - gint x, - EMeetingTimeSelectorTime *time) -{ - gint day_position; - - /* First get the day and the x position within the day. */ - e_meeting_time_selector_calculate_day_and_position (mts, x, &time->date, - NULL); - - /* Now convert the day_position into an hour and minute. */ - if (x >= 0) - day_position = x % mts->day_width; - else - day_position = mts->day_width + x % mts->day_width; - - e_meeting_time_selector_convert_day_position_to_hours_and_mins (mts, day_position, &time->hour, &time->minute); -} - - -/* This takes a EMeetingTimeSelectorTime and calculates the x pixel coordinate - within the entire canvas scroll region. It is used to draw the selected - meeting time and all the busy periods. */ -gint -e_meeting_time_selector_calculate_time_position (EMeetingTimeSelector *mts, - EMeetingTimeSelectorTime *mtstime) -{ - gint x, date_offset, day_offset; - - /* Calculate the number of days since the first date shown in the - entire canvas scroll region. */ - date_offset = g_date_julian (&mtstime->date) - g_date_julian (&mts->first_date_shown); - - /* Calculate the x pixel coordinate of the start of the day. */ - x = date_offset * mts->day_width; - - /* Add on the hours and minutes, depending on whether zoomed_out and - working_hours_only are set. */ - day_offset = (mtstime->hour - mts->first_hour_shown) * 60 - + mtstime->minute; - /* The day width includes an extra vertical grid line so subtract 1. */ - day_offset *= (mts->day_width - 1); - day_offset /= (mts->last_hour_shown - mts->first_hour_shown) * 60; - - /* Clamp the day_offset in case the time isn't actually visible. */ - x += CLAMP (day_offset, 0, mts->day_width); - - return x; -} - - |