diff options
Diffstat (limited to 'widgets/misc/e-calendar.c')
| -rw-r--r-- | widgets/misc/e-calendar.c | 661 |
1 files changed, 0 insertions, 661 deletions
diff --git a/widgets/misc/e-calendar.c b/widgets/misc/e-calendar.c deleted file mode 100644 index 402e390df0..0000000000 --- a/widgets/misc/e-calendar.c +++ /dev/null @@ -1,661 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ - -/* - * Author : - * Damon Chaplin <damon@ximian.com> - * Bolian Yin <bolian.yin@sun.com> - * - * Copyright 2000, Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * 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 - */ - -/* - * ECalendar - displays a table of monthly calendars, allowing highlighting - * and selection of one or more days. Like GtkCalendar with more features. - * Most of the functionality is in the ECalendarItem canvas item, though - * we also add GnomeCanvasWidget buttons to go to the previous/next month and - * to got to the current day. - */ - -#include <config.h> - -#include "e-calendar.h" - -#include <glib.h> -#include <gtk/gtkarrow.h> -#include <gtk/gtkbutton.h> -#include <gtk/gtkmain.h> -#include <gtk/gtkpixmap.h> -#include <gtk/gtksignal.h> -#include <libgnomecanvas/gnome-canvas-widget.h> -#include <gal/util/e-util.h> - -#define E_CALENDAR_SMALL_FONT_PTSIZE 6 - -#define E_CALENDAR_SMALL_FONT \ - "-adobe-utopia-regular-r-normal-*-*-100-*-*-p-*-iso8859-*" -#define E_CALENDAR_SMALL_FONT_FALLBACK \ - "-adobe-helvetica-medium-r-normal-*-*-80-*-*-p-*-iso8859-*" - -/* The space between the arrow buttons and the edge of the widget. */ -#define E_CALENDAR_ARROW_BUTTON_X_PAD 2 -#define E_CALENDAR_ARROW_BUTTON_Y_PAD 0 - -/* Vertical padding. The padding above the button includes the space for the - horizontal line. */ -#define E_CALENDAR_YPAD_ABOVE_LOWER_BUTTONS 4 -#define E_CALENDAR_YPAD_BELOW_LOWER_BUTTONS 3 - -/* Horizontal padding inside & between buttons. */ -#define E_CALENDAR_IXPAD_BUTTONS 4 -#define E_CALENDAR_XPAD_BUTTONS 8 - -/* The time between steps when the prev/next buttons is pressed, in 1/1000ths - of a second, and the number of timeouts we skip before we start - automatically moving back/forward. */ -#define E_CALENDAR_AUTO_MOVE_TIMEOUT 150 -#define E_CALENDAR_AUTO_MOVE_TIMEOUT_DELAY 2 - -static void e_calendar_class_init (ECalendarClass *class); -static void e_calendar_init (ECalendar *cal); -static void e_calendar_destroy (GtkObject *object); -static void e_calendar_realize (GtkWidget *widget); -static void e_calendar_style_set (GtkWidget *widget, - GtkStyle *previous_style); -static void e_calendar_size_request (GtkWidget *widget, - GtkRequisition *requisition); -static void e_calendar_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static gint e_calendar_drag_motion (GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time); -static void e_calendar_drag_leave (GtkWidget *widget, - GdkDragContext *context, - guint time); -static gboolean e_calendar_button_has_focus (ECalendar *cal); -static gboolean e_calendar_focus (GtkWidget *widget, - GtkDirectionType direction); - -static void e_calendar_on_prev_pressed (ECalendar *cal); -static void e_calendar_on_prev_released (ECalendar *cal); -static void e_calendar_on_prev_clicked (ECalendar *cal); -static void e_calendar_on_next_pressed (ECalendar *cal); -static void e_calendar_on_next_released (ECalendar *cal); -static void e_calendar_on_next_clicked (ECalendar *cal); - -static void e_calendar_start_auto_move (ECalendar *cal, - gboolean moving_forward); -static gboolean e_calendar_auto_move_handler (gpointer data); -static void e_calendar_stop_auto_move (ECalendar *cal); - -static GnomeCanvasClass *parent_class; -static GtkLayoutClass *grandparent_class; - -E_MAKE_TYPE (e_calendar, "ECalendar", ECalendar, - e_calendar_class_init, e_calendar_init, E_CANVAS_TYPE) - - -static void -e_calendar_class_init (ECalendarClass *class) -{ - GtkObjectClass *object_class; - GtkWidgetClass *widget_class; - - object_class = (GtkObjectClass *) class; - widget_class = (GtkWidgetClass *) class; - - parent_class = g_type_class_ref(E_CANVAS_TYPE); - grandparent_class = g_type_class_ref(GTK_TYPE_LAYOUT); - - object_class->destroy = e_calendar_destroy; - - widget_class->realize = e_calendar_realize; - widget_class->style_set = e_calendar_style_set; - widget_class->size_request = e_calendar_size_request; - widget_class->size_allocate = e_calendar_size_allocate; - widget_class->drag_motion = e_calendar_drag_motion; - widget_class->drag_leave = e_calendar_drag_leave; - widget_class->focus = e_calendar_focus; -} - - -static void -e_calendar_init (ECalendar *cal) -{ - GnomeCanvasGroup *canvas_group; - PangoFontDescription *small_font_desc; - GtkWidget *button, *pixmap; - - /* Create the small font. */ - - small_font_desc = - pango_font_description_copy (gtk_widget_get_style (GTK_WIDGET (cal))->font_desc); - pango_font_description_set_size (small_font_desc, - E_CALENDAR_SMALL_FONT_PTSIZE * PANGO_SCALE); - - canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (cal)->root); - - cal->calitem = E_CALENDAR_ITEM (gnome_canvas_item_new (canvas_group, - e_calendar_item_get_type (), - "week_number_font_desc", small_font_desc, - NULL)); - - pango_font_description_free (small_font_desc); - - /* Create the arrow buttons to move to the previous/next month. */ - button = gtk_button_new (); - gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE); - gtk_widget_show (button); - gtk_signal_connect_object (GTK_OBJECT (button), "pressed", - G_CALLBACK (e_calendar_on_prev_pressed), - GTK_OBJECT (cal)); - gtk_signal_connect_object (GTK_OBJECT (button), "released", - G_CALLBACK (e_calendar_on_prev_released), - GTK_OBJECT (cal)); - gtk_signal_connect_object (GTK_OBJECT (button), "clicked", - G_CALLBACK (e_calendar_on_prev_clicked), - GTK_OBJECT (cal)); - - pixmap = gtk_arrow_new (GTK_ARROW_LEFT, GTK_SHADOW_NONE); - gtk_widget_show (pixmap); - gtk_container_add (GTK_CONTAINER (button), pixmap); - - cal->prev_item = gnome_canvas_item_new (canvas_group, - gnome_canvas_widget_get_type (), - "widget", button, - NULL); - - button = gtk_button_new (); - gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE); - gtk_widget_show (button); - gtk_signal_connect_object (GTK_OBJECT (button), "pressed", - G_CALLBACK (e_calendar_on_next_pressed), - GTK_OBJECT (cal)); - gtk_signal_connect_object (GTK_OBJECT (button), "released", - G_CALLBACK (e_calendar_on_next_released), - GTK_OBJECT (cal)); - gtk_signal_connect_object (GTK_OBJECT (button), "clicked", - G_CALLBACK (e_calendar_on_next_clicked), - GTK_OBJECT (cal)); - - pixmap = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_NONE); - gtk_widget_show (pixmap); - gtk_container_add (GTK_CONTAINER (button), pixmap); - - cal->next_item = gnome_canvas_item_new (canvas_group, - gnome_canvas_widget_get_type (), - "widget", button, - NULL); - - cal->min_rows = 1; - cal->min_cols = 1; - cal->max_rows = -1; - cal->max_cols = -1; - - cal->timeout_id = 0; -} - - -/** - * e_calendar_new: - * @Returns: a new #ECalendar. - * - * Creates a new #ECalendar. - **/ -GtkWidget * -e_calendar_new (void) -{ - GtkWidget *cal; - - cal = gtk_type_new (e_calendar_get_type ()); - - return cal; -} - - -static void -e_calendar_destroy (GtkObject *object) -{ - ECalendar *cal; - - g_return_if_fail (object != NULL); - g_return_if_fail (E_IS_CALENDAR (object)); - - cal = E_CALENDAR (object); - - if (cal->timeout_id != 0) { - gtk_timeout_remove (cal->timeout_id); - cal->timeout_id = 0; - } - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - -static void -e_calendar_realize (GtkWidget *widget) -{ - (*GTK_WIDGET_CLASS (parent_class)->realize) (widget); - - /* Set the background of the canvas window to the normal color, - or the arrow buttons are not displayed properly. */ - gdk_window_set_background (GTK_LAYOUT (widget)->bin_window, - &widget->style->bg[GTK_STATE_NORMAL]); -} - - -static void -e_calendar_style_set (GtkWidget *widget, - GtkStyle *previous_style) -{ - if (GTK_WIDGET_CLASS (parent_class)->style_set) - (*GTK_WIDGET_CLASS (parent_class)->style_set) (widget, - previous_style); - - /* Set the background of the canvas window to the normal color, - or the arrow buttons are not displayed properly. */ - if (GTK_WIDGET_REALIZED (widget->parent)) - gdk_window_set_background (GTK_LAYOUT (widget)->bin_window, - &widget->style->bg[GTK_STATE_NORMAL]); -} - - -static void -e_calendar_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - ECalendar *cal; - GtkStyle *style; - gint col_width, row_height, width, height; - - cal = E_CALENDAR (widget); - style = GTK_WIDGET (cal)->style; - - g_object_get((cal->calitem), - "row_height", &row_height, - "column_width", &col_width, - NULL); - - height = row_height * cal->min_rows; - width = col_width * cal->min_cols; - - requisition->width = width + style->xthickness * 2; - requisition->height = height + style->ythickness * 2; -} - - -static void -e_calendar_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - ECalendar *cal; - PangoFontDescription *font_desc; - PangoContext *pango_context; - PangoFontMetrics *font_metrics; - gdouble old_x2, old_y2, new_x2, new_y2; - gdouble xthickness, ythickness, arrow_button_size; - - cal = E_CALENDAR (widget); - xthickness = widget->style->xthickness; - ythickness = widget->style->ythickness; - - (*GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation); - - /* Set up Pango prerequisites */ - font_desc = gtk_widget_get_style (widget)->font_desc; - pango_context = gtk_widget_get_pango_context (widget); - font_metrics = pango_context_get_metrics (pango_context, font_desc, - pango_context_get_language (pango_context)); - - /* Set the scroll region to its allocated size, if changed. */ - gnome_canvas_get_scroll_region (GNOME_CANVAS (cal), - NULL, NULL, &old_x2, &old_y2); - new_x2 = widget->allocation.width - 1; - new_y2 = widget->allocation.height - 1; - if (old_x2 != new_x2 || old_y2 != new_y2) - gnome_canvas_set_scroll_region (GNOME_CANVAS (cal), - 0, 0, new_x2, new_y2); - - /* Take off space for line & buttons if shown. */ - gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem), - "x1", 0.0, - "y1", 0.0, - "x2", new_x2, - "y2", new_y2, - NULL); - - - /* Position the arrow buttons. */ - arrow_button_size = - PANGO_PIXELS (pango_font_metrics_get_ascent (font_metrics)) - + PANGO_PIXELS (pango_font_metrics_get_descent (font_metrics)) - + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME - + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME - - E_CALENDAR_ARROW_BUTTON_Y_PAD * 2; - - gnome_canvas_item_set (cal->prev_item, - "x", xthickness * 2 - + E_CALENDAR_ARROW_BUTTON_X_PAD, - "y", ythickness * 2 - + E_CALENDAR_ARROW_BUTTON_Y_PAD, - "width", arrow_button_size, - "height", arrow_button_size, - NULL); - - gnome_canvas_item_set (cal->next_item, - "x", new_x2 + 1 - xthickness * 2 - - E_CALENDAR_ARROW_BUTTON_X_PAD - - arrow_button_size, - "y", ythickness * 2 - + E_CALENDAR_ARROW_BUTTON_Y_PAD, - "width", arrow_button_size, - "height", arrow_button_size, - NULL); - - pango_font_metrics_unref (font_metrics); -} - -void -e_calendar_set_minimum_size (ECalendar *cal, - gint rows, - gint cols) -{ - g_return_if_fail (E_IS_CALENDAR (cal)); - - cal->min_rows = rows; - cal->min_cols = cols; - - gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem), - "minimum_rows", rows, - "minimum_columns", cols, - NULL); - - gtk_widget_queue_resize (GTK_WIDGET (cal)); -} - - -void -e_calendar_set_maximum_size (ECalendar *cal, - gint rows, - gint cols) -{ - g_return_if_fail (E_IS_CALENDAR (cal)); - - cal->max_rows = rows; - cal->max_cols = cols; - - gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem), - "maximum_rows", rows, - "maximum_columns", cols, - NULL); - - gtk_widget_queue_resize (GTK_WIDGET (cal)); -} - - -/* Returns the border size on each side of the month displays. */ -void -e_calendar_get_border_size (ECalendar *cal, - gint *top, - gint *bottom, - gint *left, - gint *right) -{ - GtkStyle *style; - - g_return_if_fail (E_IS_CALENDAR (cal)); - - style = GTK_WIDGET (cal)->style; - - if (style) { - *top = style->ythickness; - *bottom = style->ythickness; - *left = style->xthickness; - *right = style->xthickness; - } else { - *top = *bottom = *left = *right = 0; - } -} - - -static void -e_calendar_on_prev_pressed (ECalendar *cal) -{ - e_calendar_start_auto_move (cal, FALSE); -} - -static void -e_calendar_on_next_pressed (ECalendar *cal) -{ - e_calendar_start_auto_move (cal, TRUE); -} - -static void -e_calendar_start_auto_move (ECalendar *cal, - gboolean moving_forward) -{ - if (cal->timeout_id == 0) { - cal->timeout_id = g_timeout_add (E_CALENDAR_AUTO_MOVE_TIMEOUT, - e_calendar_auto_move_handler, - cal); - } - cal->timeout_delay = E_CALENDAR_AUTO_MOVE_TIMEOUT_DELAY; - cal->moving_forward = moving_forward; - -} - - -static gboolean -e_calendar_auto_move_handler (gpointer data) -{ - ECalendar *cal; - ECalendarItem *calitem; - gint offset; - - g_return_val_if_fail (E_IS_CALENDAR (data), FALSE); - - cal = E_CALENDAR (data); - calitem = cal->calitem; - - GDK_THREADS_ENTER (); - - if (cal->timeout_delay > 0) { - cal->timeout_delay--; - } else { - offset = cal->moving_forward ? 1 : -1; - e_calendar_item_set_first_month (calitem, calitem->year, - calitem->month + offset); - } - - GDK_THREADS_LEAVE (); - return TRUE; -} - - -static void -e_calendar_on_prev_released (ECalendar *cal) -{ - e_calendar_stop_auto_move (cal); -} - - -static void -e_calendar_on_next_released (ECalendar *cal) -{ - e_calendar_stop_auto_move (cal); -} - - -static void -e_calendar_stop_auto_move (ECalendar *cal) -{ - if (cal->timeout_id != 0) { - gtk_timeout_remove (cal->timeout_id); - cal->timeout_id = 0; - } -} - -static void -e_calendar_on_prev_clicked (ECalendar *cal) -{ - e_calendar_item_set_first_month (cal->calitem, cal->calitem->year, - cal->calitem->month - 1); -} - -static void -e_calendar_on_next_clicked (ECalendar *cal) -{ - e_calendar_item_set_first_month (cal->calitem, cal->calitem->year, - cal->calitem->month + 1); -} - - -static gint -e_calendar_drag_motion (GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time) -{ - ECalendar *cal; - - g_return_val_if_fail (E_IS_CALENDAR (widget), FALSE); - - cal = E_CALENDAR (widget); - -#if 0 - g_print ("In e_calendar_drag_motion\n"); -#endif - - return FALSE; -} - - -static void -e_calendar_drag_leave (GtkWidget *widget, - GdkDragContext *context, - guint time) -{ - ECalendar *cal; - - g_return_if_fail (E_IS_CALENDAR (widget)); - - cal = E_CALENDAR (widget); - -#if 0 - g_print ("In e_calendar_drag_leave\n"); -#endif -} - -static gboolean -e_calendar_button_has_focus (ECalendar *cal) -{ - GtkWidget *prev_widget, *next_widget; - gboolean ret_val; - - g_return_val_if_fail (E_IS_CALENDAR (cal), FALSE); - - prev_widget = GNOME_CANVAS_WIDGET(cal->prev_item)->widget; - next_widget = GNOME_CANVAS_WIDGET(cal->next_item)->widget; - ret_val = GTK_WIDGET_HAS_FOCUS (prev_widget) || - GTK_WIDGET_HAS_FOCUS (next_widget); - return ret_val; -} - -static gboolean -e_calendar_focus (GtkWidget *widget, GtkDirectionType direction) -{ -#define E_CALENDAR_FOCUS_CHILDREN_NUM 3 - ECalendar *cal; - GnomeCanvas *canvas; - GnomeCanvasItem *children[E_CALENDAR_FOCUS_CHILDREN_NUM]; - gint focused_index = -1; - gint index; - - g_return_val_if_fail (widget != NULL, FALSE); - g_return_val_if_fail (E_IS_CALENDAR (widget), FALSE); - cal = E_CALENDAR (widget); - canvas = GNOME_CANVAS (widget); - - if (!GTK_WIDGET_CAN_FOCUS (widget)) - return FALSE; - - children[0] = GNOME_CANVAS_ITEM (cal->calitem); - children[1] = cal->prev_item; - children[2] = cal->next_item; - - /* get current focused item, if e-calendar has had focus */ - if (GTK_WIDGET_HAS_FOCUS (widget) || e_calendar_button_has_focus (cal)) - for (index = 0; canvas->focused_item && index < E_CALENDAR_FOCUS_CHILDREN_NUM; ++index) { - if (children[index] == canvas->focused_item) { - focused_index = index; - break; - } - } - - if (focused_index == -1) - if (direction == GTK_DIR_TAB_FORWARD) - focused_index = 0; - else - focused_index = E_CALENDAR_FOCUS_CHILDREN_NUM - 1; - else - if (direction == GTK_DIR_TAB_FORWARD) - ++focused_index; - else - --focused_index; - - if (focused_index < 0 || - focused_index >= E_CALENDAR_FOCUS_CHILDREN_NUM) - /* move out of e-calendar */ - return FALSE; - gnome_canvas_item_grab_focus (children[focused_index]); - if (GNOME_IS_CANVAS_WIDGET (children[focused_index])) { - GtkWidget *widget; - widget = GNOME_CANVAS_WIDGET (children[focused_index])->widget; - gtk_widget_grab_focus (widget); - } - return TRUE; -} - -void -e_calendar_set_focusable (ECalendar *cal, gboolean focusable) -{ - GtkWidget *prev_widget, *next_widget; - - g_return_if_fail (E_IS_CALENDAR (cal)); - - prev_widget = GNOME_CANVAS_WIDGET(cal->prev_item)->widget; - next_widget = GNOME_CANVAS_WIDGET(cal->next_item)->widget; - - if (focusable) { - GTK_WIDGET_SET_FLAGS (cal, GTK_CAN_FOCUS); - GTK_WIDGET_SET_FLAGS (prev_widget, GTK_CAN_FOCUS); - GTK_WIDGET_SET_FLAGS (next_widget, GTK_CAN_FOCUS); - } - else { - if (GTK_WIDGET_HAS_FOCUS (cal) || e_calendar_button_has_focus (cal)) { - GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (cal)); - if (toplevel) - gtk_widget_grab_focus (toplevel); - } - GTK_WIDGET_UNSET_FLAGS (cal, GTK_CAN_FOCUS); - GTK_WIDGET_UNSET_FLAGS (prev_widget, GTK_CAN_FOCUS); - GTK_WIDGET_UNSET_FLAGS (next_widget, GTK_CAN_FOCUS); - } -} |