src/calendar/gui/e-month-view.c

   1 /*
   2  * e-month-view.c
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU Lesser General Public License as published by
   6  * the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  10  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  15  *
  16  *
  17  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
  18  *
  19  */
  20
  21 #include "evolution-config.h"
  22
  23 #include "e-month-view.h"
  24
  25 #define E_MONTH_VIEW_GET_PRIVATE(obj) \
  26         (G_TYPE_INSTANCE_GET_PRIVATE \
  27         ((obj), E_TYPE_MONTH_VIEW, EMonthViewPrivate))
  28
  29 struct _EMonthViewPrivate {
  30         gint placeholder;
  31 };
  32
  33 G_DEFINE_TYPE (EMonthView, e_month_view, E_TYPE_WEEK_VIEW)
  34
  35 static void
  36 month_view_cursor_key_up (EWeekView *week_view)
  37 {
  38         if (week_view->selection_start_day == -1)
  39                 return;
  40
  41         if (week_view->selection_start_day < 7) {
  42                 /* No easy way to calculate new selection_start_day, so
  43                  * calculate a time_t value and set_selected_time_range. */
  44                 time_t current;
  45
  46                 if (e_calendar_view_get_selected_time_range (
  47                         E_CALENDAR_VIEW (week_view), &current, NULL)) {
  48
  49                         current = time_add_week (current, -1);
  50                         e_week_view_scroll_a_step (
  51                                 week_view, E_CAL_VIEW_MOVE_PAGE_UP);
  52                         e_week_view_set_selected_time_range_visible (
  53                                 week_view, current, current);
  54                 }
  55         } else {
  56                 week_view->selection_start_day -= 7;
  57                 week_view->selection_end_day = week_view->selection_start_day;
  58         }
  59
  60         g_signal_emit_by_name (week_view, "selected-time-changed");
  61         gtk_widget_queue_draw (week_view->main_canvas);
  62 }
  63
  64 static void
  65 month_view_cursor_key_down (EWeekView *week_view)
  66 {
  67         gint weeks_shown;
  68
  69         if (week_view->selection_start_day == -1)
  70                 return;
  71
  72         weeks_shown = e_week_view_get_weeks_shown (week_view);
  73
  74         if (week_view->selection_start_day >= (weeks_shown - 1) * 7) {
  75                 /* No easy way to calculate new selection_start_day, so
  76                  * calculate a time_t value and set_selected_time_range. */
  77                 time_t current;
  78
  79                 if (e_calendar_view_get_selected_time_range (
  80                         E_CALENDAR_VIEW (week_view), &current, NULL)) {
  81
  82                         current = time_add_week (current, 1);
  83                         e_week_view_scroll_a_step (
  84                                 week_view, E_CAL_VIEW_MOVE_PAGE_DOWN);
  85                         e_week_view_set_selected_time_range_visible (
  86                                 week_view, current, current);
  87                 }
  88         } else {
  89                 week_view->selection_start_day += 7;
  90                 week_view->selection_end_day = week_view->selection_start_day;
  91         }
  92
  93         g_signal_emit_by_name (week_view, "selected-time-changed");
  94         gtk_widget_queue_draw (week_view->main_canvas);
  95 }
  96
  97 static void
  98 month_view_cursor_key_left (EWeekView *week_view)
  99 {
 100         if (week_view->selection_start_day == -1)
 101                 return;
 102
 103         if (week_view->selection_start_day == 0) {
 104                 /* No easy way to calculate new selection_start_day, so
 105                  * calculate a time_t value and set_selected_time_range. */
 106                 time_t current;
 107
 108                 if (e_calendar_view_get_selected_time_range (
 109                         E_CALENDAR_VIEW (week_view), &current, NULL)) {
 110
 111                         current = time_add_day (current, -1);
 112                         e_week_view_scroll_a_step (
 113                                 week_view, E_CAL_VIEW_MOVE_PAGE_UP);
 114                         e_week_view_set_selected_time_range_visible (
 115                                 week_view, current, current);
 116                 }
 117         } else {
 118                 week_view->selection_start_day--;
 119                 week_view->selection_end_day = week_view->selection_start_day;
 120         }
 121
 122         g_signal_emit_by_name (week_view, "selected-time-changed");
 123         gtk_widget_queue_draw (week_view->main_canvas);
 124 }
 125
 126 static void
 127 month_view_cursor_key_right (EWeekView *week_view)
 128 {
 129         gint weeks_shown;
 130
 131         if (week_view->selection_start_day == -1)
 132                 return;
 133
 134         weeks_shown = e_week_view_get_weeks_shown (week_view);
 135
 136         if (week_view->selection_start_day == weeks_shown * 7 - 1) {
 137                 /* No easy way to calculate new selection_start_day, so
 138                  * calculate a time_t value and set_selected_time_range. */
 139                 time_t current;
 140
 141                 if (e_calendar_view_get_selected_time_range (
 142                         E_CALENDAR_VIEW (week_view), &current, NULL)) {
 143
 144                         current = time_add_day (current, 1);
 145                         e_week_view_scroll_a_step (
 146                                 week_view, E_CAL_VIEW_MOVE_PAGE_DOWN);
 147                         e_week_view_set_selected_time_range_visible (
 148                                 week_view, current, current);
 149                 }
 150         } else {
 151                 week_view->selection_start_day++;
 152                 week_view->selection_end_day = week_view->selection_start_day;
 153         }
 154
 155         g_signal_emit_by_name (week_view, "selected-time-changed");
 156         gtk_widget_queue_draw (week_view->main_canvas);
 157 }
 158
 159 static void
 160 e_month_view_class_init (EMonthViewClass *class)
 161 {
 162         EWeekViewClass *week_view_class;
 163
 164         g_type_class_add_private (class, sizeof (EMonthViewPrivate));
 165
 166         week_view_class = E_WEEK_VIEW_CLASS (class);
 167         week_view_class->cursor_key_up = month_view_cursor_key_up;
 168         week_view_class->cursor_key_down = month_view_cursor_key_down;
 169         week_view_class->cursor_key_left = month_view_cursor_key_left;
 170         week_view_class->cursor_key_right = month_view_cursor_key_right;
 171 }
 172
 173 static void
 174 e_month_view_init (EMonthView *month_view)
 175 {
 176         month_view->priv = E_MONTH_VIEW_GET_PRIVATE (month_view);
 177 }
 178
 179 ECalendarView *
 180 e_month_view_new (ECalModel *model)
 181 {
 182         g_return_val_if_fail (E_IS_CAL_MODEL (model), NULL);
 183
 184         return g_object_new (E_TYPE_MONTH_VIEW, "model", model, NULL);
 185 }