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-rw-r--r--widgets/meeting-time-sel/e-meeting-time-sel-item.c924
1 files changed, 0 insertions, 924 deletions
diff --git a/widgets/meeting-time-sel/e-meeting-time-sel-item.c b/widgets/meeting-time-sel/e-meeting-time-sel-item.c
deleted file mode 100644
index cb716d6f08..0000000000
--- a/widgets/meeting-time-sel/e-meeting-time-sel-item.c
+++ /dev/null
@@ -1,924 +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
- */
-
-/*
- * EMeetingTimeSelectorItem - A GnomeCanvasItem which is used for both the main
- * display canvas and the top display (with the dates, times & All Attendees).
- * I didn't make these separate GnomeCanvasItems since they share a lot of
- * code.
- */
-
-#include <config.h>
-#include <time.h>
-#include "e-meeting-time-sel-item.h"
-#include "e-meeting-time-sel.h"
-
-/* Initially the grid lines were drawn at the bottom of cells, but this didn't
- line up well with the GtkEntry widgets, which in the default theme draw a
- black shadow line across the top. So I've switched our code to draw the
- lines across the top of cells. */
-#define E_MEETING_TIME_SELECTOR_DRAW_GRID_LINES_AT_BOTTOM 0
-
-static void e_meeting_time_selector_item_class_init (EMeetingTimeSelectorItemClass *mts_item_class);
-static void e_meeting_time_selector_item_init (EMeetingTimeSelectorItem *mts_item);
-static void e_meeting_time_selector_item_destroy (GtkObject *object);
-
-static void e_meeting_time_selector_item_set_arg (GtkObject *o, GtkArg *arg,
- guint arg_id);
-static void e_meeting_time_selector_item_realize (GnomeCanvasItem *item);
-static void e_meeting_time_selector_item_unrealize (GnomeCanvasItem *item);
-static void e_meeting_time_selector_item_update (GnomeCanvasItem *item,
- double *affine,
- ArtSVP *clip_path, int flags);
-static void e_meeting_time_selector_item_draw (GnomeCanvasItem *item,
- GdkDrawable *drawable,
- int x, int y,
- int width, int height);
-static double e_meeting_time_selector_item_point (GnomeCanvasItem *item,
- double x, double y,
- int cx, int cy,
- GnomeCanvasItem **actual_item);
-static gint e_meeting_time_selector_item_event (GnomeCanvasItem *item,
- GdkEvent *event);
-static gint e_meeting_time_selector_item_button_press (EMeetingTimeSelectorItem *mts_item,
- GdkEvent *event);
-static gint e_meeting_time_selector_item_button_release (EMeetingTimeSelectorItem *mts_item,
- GdkEvent *event);
-static gint e_meeting_time_selector_item_motion_notify (EMeetingTimeSelectorItem *mts_item,
- GdkEvent *event);
-
-static void e_meeting_time_selector_item_paint_day_top (EMeetingTimeSelectorItem *mts_item,
- GdkDrawable *drawable,
- GDate *date,
- int x, int scroll_y,
- int width, int height);
-static void e_meeting_time_selector_item_paint_all_attendees_busy_periods (EMeetingTimeSelectorItem *mts_item, GdkDrawable *drawable, GDate *date, int x, int y, int width, int height);
-static void e_meeting_time_selector_item_paint_day (EMeetingTimeSelectorItem *mts_item,
- GdkDrawable *drawable,
- GDate *date,
- int x, int scroll_y,
- int width, int height);
-static void e_meeting_time_selector_item_paint_busy_periods (EMeetingTimeSelectorItem *mts_item, GdkDrawable *drawable, GDate *date, int x, int scroll_y, int width, int height);
-static gint e_meeting_time_selector_item_find_first_busy_period (EMeetingTimeSelectorItem *mts_item, GDate *date, gint row);
-static void e_meeting_time_selector_item_paint_attendee_busy_periods (EMeetingTimeSelectorItem *mts_item, GdkDrawable *drawable, int row, int x, int y, int width, int first_period, EMeetingTimeSelectorBusyType busy_type);
-
-static EMeetingTimeSelectorPosition e_meeting_time_selector_item_get_drag_position (EMeetingTimeSelectorItem *mts_item, gint x, gint y);
-
-static GnomeCanvasItemClass *parent_class;
-
-/* The arguments we take */
-enum {
- ARG_0,
- ARG_MEETING_TIME_SELECTOR
-};
-
-
-GtkType
-e_meeting_time_selector_item_get_type (void)
-{
- static GtkType e_meeting_time_selector_item_type = 0;
-
- if (!e_meeting_time_selector_item_type) {
- GtkTypeInfo e_meeting_time_selector_item_info = {
- "EMeetingTimeSelectorItem",
- sizeof (EMeetingTimeSelectorItem),
- sizeof (EMeetingTimeSelectorItemClass),
- (GtkClassInitFunc) e_meeting_time_selector_item_class_init,
- (GtkObjectInitFunc) e_meeting_time_selector_item_init,
- NULL, /* reserved_1 */
- NULL, /* reserved_2 */
- (GtkClassInitFunc) NULL
- };
-
- e_meeting_time_selector_item_type = gtk_type_unique (gnome_canvas_item_get_type (), &e_meeting_time_selector_item_info);
- }
-
- return e_meeting_time_selector_item_type;
-}
-
-
-static void
-e_meeting_time_selector_item_class_init (EMeetingTimeSelectorItemClass *mts_item_class)
-{
- GtkObjectClass *object_class;
- GnomeCanvasItemClass *item_class;
-
- parent_class = gtk_type_class (gnome_canvas_item_get_type());
-
- object_class = (GtkObjectClass *) mts_item_class;
- item_class = (GnomeCanvasItemClass *) mts_item_class;
-
- gtk_object_add_arg_type ("EMeetingTimeSelectorItem::meeting_time_selector",
- GTK_TYPE_POINTER, GTK_ARG_WRITABLE,
- ARG_MEETING_TIME_SELECTOR);
-
- object_class->destroy = e_meeting_time_selector_item_destroy;
- object_class->set_arg = e_meeting_time_selector_item_set_arg;
-
- /* GnomeCanvasItem method overrides */
- item_class->realize = e_meeting_time_selector_item_realize;
- item_class->unrealize = e_meeting_time_selector_item_unrealize;
- item_class->update = e_meeting_time_selector_item_update;
- item_class->draw = e_meeting_time_selector_item_draw;
- item_class->point = e_meeting_time_selector_item_point;
- item_class->event = e_meeting_time_selector_item_event;
-}
-
-
-static void
-e_meeting_time_selector_item_init (EMeetingTimeSelectorItem *mts_item)
-{
- GnomeCanvasItem *item = GNOME_CANVAS_ITEM (mts_item);
-
- mts_item->mts = NULL;
-
- mts_item->main_gc = NULL;
-
- /* Create the cursors. */
- mts_item->normal_cursor = gdk_cursor_new (GDK_TOP_LEFT_ARROW);
- mts_item->resize_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
- mts_item->last_cursor_set = NULL;
-
- item->x1 = 0;
- item->y1 = 0;
- item->x2 = 0;
- item->y2 = 0;
-}
-
-
-static void
-e_meeting_time_selector_item_destroy (GtkObject *object)
-{
- EMeetingTimeSelectorItem *mts_item;
-
- mts_item = E_MEETING_TIME_SELECTOR_ITEM (object);
-
- gdk_cursor_destroy (mts_item->normal_cursor);
- gdk_cursor_destroy (mts_item->resize_cursor);
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (*GTK_OBJECT_CLASS (parent_class)->destroy)(object);
-}
-
-
-static void
-e_meeting_time_selector_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- EMeetingTimeSelectorItem *mts_item;
-
- item = GNOME_CANVAS_ITEM (o);
- mts_item = E_MEETING_TIME_SELECTOR_ITEM (o);
-
- switch (arg_id){
- case ARG_MEETING_TIME_SELECTOR:
- mts_item->mts = GTK_VALUE_POINTER (*arg);
- break;
- }
-}
-
-
-static void
-e_meeting_time_selector_item_realize (GnomeCanvasItem *item)
-{
- GnomeCanvas *canvas;
- GdkWindow *window;
- EMeetingTimeSelectorItem *mts_item;
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->realize)
- (*GNOME_CANVAS_ITEM_CLASS (parent_class)->realize)(item);
-
- mts_item = E_MEETING_TIME_SELECTOR_ITEM (item);
-
- canvas = item->canvas;
- window = GTK_WIDGET (canvas)->window;
-
- mts_item->main_gc = gdk_gc_new (window);
-}
-
-
-static void
-e_meeting_time_selector_item_unrealize (GnomeCanvasItem *item)
-{
- EMeetingTimeSelectorItem *mts_item;
-
- mts_item = E_MEETING_TIME_SELECTOR_ITEM (item);
-
- gdk_gc_unref (mts_item->main_gc);
- mts_item->main_gc = NULL;
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->unrealize)
- (*GNOME_CANVAS_ITEM_CLASS (parent_class)->unrealize)(item);
-}
-
-
-static void
-e_meeting_time_selector_item_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
-{
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->update)
- (* GNOME_CANVAS_ITEM_CLASS (parent_class)->update) (item, affine, clip_path, flags);
-
- /* The grid covers the entire canvas area. */
- item->x1 = 0;
- item->y1 = 0;
- item->x2 = INT_MAX;
- item->y2 = INT_MAX;
-}
-
-
-/*
- * DRAWING ROUTINES - functions to paint the canvas item.
- */
-
-static void
-e_meeting_time_selector_item_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int width, int height)
-{
- EMeetingTimeSelector *mts;
- EMeetingTimeSelectorItem *mts_item;
- EMeetingTimeSelectorAttendee *attendee;
- gint day_x, meeting_start_x, meeting_end_x, bar_y, bar_height;
- gint row, row_y;
- GDate date, last_date, current_date;
- gboolean is_display_top, show_meeting_time;
- GdkGC *gc;
-
- mts_item = E_MEETING_TIME_SELECTOR_ITEM (item);
- mts = mts_item->mts;
- g_return_if_fail (mts != NULL);
- gc = mts_item->main_gc;
-
- is_display_top = (GTK_WIDGET (item->canvas) == mts->display_top)
- ? TRUE : FALSE;
-
- /* Calculate the first and last visible days and positions. */
- e_meeting_time_selector_calculate_day_and_position (mts, x,
- &date, &day_x);
- e_meeting_time_selector_calculate_day_and_position (mts, x + width,
- &last_date, NULL);
-
- /* For the top display draw the 'All Attendees' row background. */
- if (is_display_top) {
- gdk_gc_set_foreground (gc, &mts->all_attendees_bg_color);
- gdk_draw_rectangle (drawable, gc, TRUE,
- 0, mts->row_height * 2 - y,
- width, mts->row_height);
- } else {
- gdk_gc_set_foreground (gc, &mts->bg_color);
- gdk_draw_rectangle (drawable, gc, TRUE, 0, 0, width, height);
- }
-
- /* Calculate the x coordinates of the meeting time. */
- show_meeting_time = e_meeting_time_selector_get_meeting_time_positions (mts, &meeting_start_x, &meeting_end_x);
-
- /* Draw the meeting time background. */
- if (show_meeting_time
- && (meeting_end_x - 1 >= x) && (meeting_start_x + 1 < x + width)
- && (meeting_end_x - meeting_start_x > 2)) {
- gdk_gc_set_foreground (gc, &mts->meeting_time_bg_color);
- if (is_display_top)
- gdk_draw_rectangle (drawable, gc, TRUE,
- meeting_start_x + 1 - x, mts->row_height * 2 - y,
- meeting_end_x - meeting_start_x - 2, height);
- else
- gdk_draw_rectangle (drawable, gc, TRUE,
- meeting_start_x + 1 - x, 0,
- meeting_end_x - meeting_start_x - 2, height);
- }
-
- /* For the main display draw the stipple background for attendee's
- that have no calendar information. */
- if (!is_display_top) {
- gdk_gc_set_foreground (gc, &mts->grid_color);
- gdk_gc_set_background (gc, &mts->stipple_bg_color);
- gdk_gc_set_stipple (gc, mts->stipple);
- gnome_canvas_set_stipple_origin (item->canvas, gc);
- gdk_gc_set_fill (gc, GDK_OPAQUE_STIPPLED);
- row = y / mts->row_height;
- row_y = row * mts->row_height - y;
- while (row < mts->attendees->len && row_y < height) {
- attendee = &g_array_index (mts->attendees,
- EMeetingTimeSelectorAttendee, row);
- if (!attendee->has_calendar_info) {
- gdk_draw_rectangle (drawable, gc, TRUE,
- 0, row_y,
- width, mts->row_height);
- }
- row++;
- row_y += mts->row_height;
- }
- gdk_gc_set_fill (gc, GDK_SOLID);
- }
-
- /* Now paint the visible days one by one. */
- current_date = date;
- for (;;) {
- /* Currently we use the same GnomeCanvasItem class for the
- top display and the main display. We may use separate
- classes in future if necessary. */
- if (is_display_top)
- e_meeting_time_selector_item_paint_day_top (mts_item, drawable, &current_date, day_x, y, width, height);
- else
- e_meeting_time_selector_item_paint_day (mts_item, drawable, &current_date, day_x, y, width, height);
-
- day_x += mts_item->mts->day_width;
- if (g_date_compare (&current_date, &last_date) == 0)
- break;
- g_date_add_days (&current_date, 1);
- }
-
- /* Draw the busy periods. */
- if (is_display_top)
- e_meeting_time_selector_item_paint_all_attendees_busy_periods (mts_item, drawable, &date, x, y, width, height);
- else
- e_meeting_time_selector_item_paint_busy_periods (mts_item, drawable, &date, x, y, width, height);
-
-
- /* Draw the currently-selected meeting time vertical bars. */
- if (show_meeting_time) {
- if (is_display_top) {
- bar_y = mts->row_height * 2 - y;
- bar_height = mts->row_height;
- } else {
- bar_y = 0;
- bar_height = height;
- }
-
- gdk_gc_set_foreground (gc, &mts->grid_color);
-
- if ((meeting_start_x + 2 >= x)
- && (meeting_start_x - 2 < x + width)) {
- gdk_draw_rectangle (drawable, gc, TRUE,
- meeting_start_x - 2 - x, bar_y,
- 5, bar_height);
- }
-
- if ((meeting_end_x + 2 >= x)
- && (meeting_end_x - 2 < x + width)) {
- gdk_draw_rectangle (drawable, gc, TRUE,
- meeting_end_x - 2 - x, bar_y,
- 5, bar_height);
- }
- }
-}
-
-
-static void
-e_meeting_time_selector_item_paint_day_top (EMeetingTimeSelectorItem *mts_item,
- GdkDrawable *drawable, GDate *date,
- int x, int scroll_y,
- int width, int height)
-{
- EMeetingTimeSelector *mts;
- GdkGC *gc;
- GdkFont *font;
- gint y, grid_x;
- gchar buffer[128];
- gint hour, hour_x, hour_y;
- GdkRectangle clip_rect;
-
- mts = mts_item->mts;
- gc = mts_item->main_gc;
-
- gdk_gc_set_foreground (gc, &mts->grid_color);
-
- /* Draw the horizontal lines. */
- y = mts->row_height - 1 - scroll_y;
- gdk_draw_line (drawable, gc, x, y, x + mts->day_width - 1, y);
- gdk_gc_set_foreground (gc, &mts->grid_shadow_color);
- gdk_draw_line (drawable, gc, x, y + 1, x + mts->day_width - 1, y + 1);
- gdk_gc_set_foreground (gc, &mts->grid_color);
- y += mts->row_height;
- gdk_draw_line (drawable, gc, x, y, x + mts->day_width - 1, y);
- y += mts->row_height;
- gdk_draw_line (drawable, gc, x, y, x + mts->day_width - 1, y);
-
-
- /* Draw the vertical grid lines. */
- for (grid_x = mts->col_width - 1;
- grid_x < mts->day_width - mts->col_width;
- grid_x += mts->col_width) {
- gdk_draw_line (drawable, gc,
- x + grid_x, mts->row_height * 2 - 4,
- x + grid_x, height);
- }
- grid_x = mts->day_width - 2;
- gdk_draw_line (drawable, gc, x + grid_x, 0, x + grid_x, height);
- grid_x++;
- gdk_draw_line (drawable, gc, x + grid_x, 0, x + grid_x, height);
-
- /* Draw the date. Set a clipping rectangle so we don't draw over the
- next day. */
- font = GTK_WIDGET (mts)->style->font;
- if (mts->date_format == E_MEETING_TIME_SELECTOR_DATE_FULL)
- g_date_strftime (buffer, 128, "%A, %B %d, %Y", date);
- else if (mts->date_format == E_MEETING_TIME_SELECTOR_DATE_ABBREVIATED_DAY)
- g_date_strftime (buffer, 128, "%a %x", date);
- else
- g_date_strftime (buffer, 128, "%x", date);
- clip_rect.x = x;
- clip_rect.y = -scroll_y;
- clip_rect.width = mts->day_width - 2;
- clip_rect.height = mts->row_height - 2;
- gdk_gc_set_clip_rectangle (gc, &clip_rect);
- gdk_draw_string (drawable, font, gc,
- x + 4, 4 + font->ascent - scroll_y, buffer);
- gdk_gc_set_clip_rectangle (gc, NULL);
-
- /* Draw the hours. */
- hour = mts->first_hour_shown + (mts->zoomed_out ? 3 : 1);
- hour_x = x + mts->col_width;
- hour_y = mts->row_height + 4 + font->ascent - scroll_y;
- while (hour < mts->last_hour_shown) {
- gdk_draw_string (drawable, font, gc,
- hour_x - (mts->hour_widths[hour] / 2),
- hour_y, EMeetingTimeSelectorHours[hour]);
-
- hour += mts->zoomed_out ? 3 : 1;
- hour_x += mts->col_width;
- }
-}
-
-
-/* This paints the colored bars representing busy periods for the combined
- list of attendees. For now we just paint the bars for each attendee of
- each other. If we want to speed it up we could optimise it later. */
-static void
-e_meeting_time_selector_item_paint_all_attendees_busy_periods (EMeetingTimeSelectorItem *mts_item, GdkDrawable *drawable, GDate *date, int x, int scroll_y, int width, int height)
-{
- EMeetingTimeSelector *mts;
- EMeetingTimeSelectorBusyType busy_type;
- gint row, y;
- GdkGC *gc;
- gint *first_periods;
-
- mts = mts_item->mts;
- gc = mts_item->main_gc;
-
- /* Calculate the y coordinate to paint the row at in the drawable. */
- y = 2 * mts->row_height - scroll_y - 1;
-
- /* Get the first visible busy periods for all the attendees. */
- first_periods = g_new (gint, mts->attendees->len);
- for (row = 0; row < mts->attendees->len; row++) {
- first_periods[row] = e_meeting_time_selector_item_find_first_busy_period (mts_item, date, row);
- }
-
- for (busy_type = 0;
- busy_type < E_MEETING_TIME_SELECTOR_BUSY_LAST;
- busy_type++) {
- gdk_gc_set_foreground (gc, &mts->busy_colors[busy_type]);
- for (row = 0; row < mts->attendees->len; row++) {
- if (first_periods[row] == -1)
- continue;
- e_meeting_time_selector_item_paint_attendee_busy_periods (mts_item, drawable, x, y, width, row, first_periods[row], busy_type);
- }
- }
-
- g_free (first_periods);
-}
-
-
-static void
-e_meeting_time_selector_item_paint_day (EMeetingTimeSelectorItem *mts_item,
- GdkDrawable *drawable, GDate *date,
- int x, int scroll_y,
- int width, int height)
-{
- EMeetingTimeSelector *mts;
- GdkGC *gc;
- gint grid_x, grid_y, attendee_index, unused_y;
-
- mts = mts_item->mts;
- gc = mts_item->main_gc;
-
- /* Draw the grid lines. The grid lines around unused rows are drawn in
- a different color. */
-
- /* Draw the horizontal grid lines. */
- attendee_index = scroll_y / mts->row_height;
-#if E_MEETING_TIME_SELECTOR_DRAW_GRID_LINES_AT_BOTTOM
- for (grid_y = mts->row_height - 1 - (scroll_y % mts->row_height);
-#else
- for (grid_y = - (scroll_y % mts->row_height);
-#endif
- grid_y < height;
- grid_y += mts->row_height)
- {
- if (attendee_index < mts->attendees->len) {
- gdk_gc_set_foreground (gc, &mts->grid_color);
- gdk_draw_line (drawable, gc, 0, grid_y,
- width, grid_y);
- } else {
- gdk_gc_set_foreground (gc, &mts->grid_unused_color);
- gdk_draw_line (drawable, gc, 0, grid_y,
- width, grid_y);
- }
- attendee_index++;
- }
-
- /* Draw the vertical grid lines. */
- unused_y = (mts->attendees->len * mts->row_height) - scroll_y;
- if (unused_y >= 0) {
- gdk_gc_set_foreground (gc, &mts->grid_color);
- for (grid_x = mts->col_width - 1;
- grid_x < mts->day_width - mts->col_width;
- grid_x += mts->col_width)
- {
- gdk_draw_line (drawable, gc,
- x + grid_x, 0,
- x + grid_x, unused_y - 1);
- }
- gdk_draw_rectangle (drawable, gc, TRUE,
- x + mts->day_width - 2, 0,
- 2, unused_y);
- }
-
- if (unused_y < height) {
- gdk_gc_set_foreground (gc, &mts->grid_unused_color);
- for (grid_x = mts->col_width - 1;
- grid_x < mts->day_width - mts->col_width;
- grid_x += mts->col_width)
- {
- gdk_draw_line (drawable, gc,
- x + grid_x, unused_y,
- x + grid_x, height);
- }
- gdk_draw_rectangle (drawable, gc, TRUE,
- x + mts->day_width - 2, unused_y,
- 2, height - unused_y);
- }
-
-
-}
-
-
-/* This paints the colored bars representing busy periods for the individual
- attendees. */
-static void
-e_meeting_time_selector_item_paint_busy_periods (EMeetingTimeSelectorItem *mts_item, GdkDrawable *drawable, GDate *date, int x, int scroll_y, int width, int height)
-{
- EMeetingTimeSelector *mts;
- EMeetingTimeSelectorBusyType busy_type;
- gint row, y, first_period;
- GdkGC *gc;
-
- mts = mts_item->mts;
- gc = mts_item->main_gc;
-
- /* Calculate the first visible attendee row. */
- row = scroll_y / mts->row_height;
-
- /* Calculate the y coordinate to paint the row at in the drawable. */
- y = row * mts->row_height - scroll_y;
-
- /* Step through the attendees painting the busy periods. */
- while (y < height && row < mts->attendees->len) {
-
- /* Find the first visible busy period. */
- first_period = e_meeting_time_selector_item_find_first_busy_period (mts_item, date, row);
- if (first_period != -1) {
- /* Paint the different types of busy periods, in
- reverse order of precedence, so the highest
- precedences are displayed. */
- for (busy_type = 0;
- busy_type < E_MEETING_TIME_SELECTOR_BUSY_LAST;
- busy_type++) {
- gdk_gc_set_foreground (gc, &mts->busy_colors[busy_type]);
- e_meeting_time_selector_item_paint_attendee_busy_periods (mts_item, drawable, x, y, width, row, first_period, busy_type);
- }
- }
- y += mts->row_height;
- row++;
- }
-}
-
-
-/* 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. */
-static gint
-e_meeting_time_selector_item_find_first_busy_period (EMeetingTimeSelectorItem *mts_item, GDate *date, gint row)
-{
- EMeetingTimeSelector *mts;
- EMeetingTimeSelectorAttendee *attendee;
- EMeetingTimeSelectorPeriod *period;
- gint period_num;
-
- mts = mts_item->mts;
-
- attendee = &g_array_index (mts->attendees,
- EMeetingTimeSelectorAttendee, row);
-
- period_num = e_meeting_time_selector_find_first_busy_period (mts, attendee, date);
- if (period_num == -1)
- return -1;
-
- /* Check if the period starts after the end of the current canvas
- scroll area. */
- period = &g_array_index (attendee->busy_periods,
- EMeetingTimeSelectorPeriod, period_num);
- if (g_date_compare (&mts->last_date_shown, &period->start.date) < 0)
- return -1;
-
- return period_num;
-}
-
-
-/* This paints the visible busy periods for one attendee which are of a certain
- busy type, e.g out of office. It is passed the index of the first visible
- busy period of the attendee and continues until it runs off the screen. */
-static void
-e_meeting_time_selector_item_paint_attendee_busy_periods (EMeetingTimeSelectorItem *mts_item, GdkDrawable *drawable, int x, int y, int width, int row, int first_period, EMeetingTimeSelectorBusyType busy_type)
-{
- EMeetingTimeSelector *mts;
- EMeetingTimeSelectorAttendee *attendee;
- EMeetingTimeSelectorPeriod *period;
- GdkGC *gc;
- gint period_num, x1, x2, x2_within_day, x2_within_col;
-
- mts = mts_item->mts;
- gc = mts_item->main_gc;
-
- attendee = &g_array_index (mts->attendees,
- EMeetingTimeSelectorAttendee, row);
-
- for (period_num = first_period;
- period_num < attendee->busy_periods->len;
- period_num++) {
- period = &g_array_index (attendee->busy_periods,
- EMeetingTimeSelectorPeriod, period_num);
-
- if (period->busy_type != busy_type)
- continue;
-
- /* Convert the period start and end times to x coordinates. */
- x1 = e_meeting_time_selector_calculate_time_position (mts, &period->start);
- /* If the period is off the right of the area being drawn, we
- are finished. */
- if (x1 >= x + width)
- return;
-
- x2 = e_meeting_time_selector_calculate_time_position (mts, &period->end);
- /* If the period is off the left edge of the area skip it. */
- if (x2 <= x)
- continue;
-
- /* We paint from x1 to x2 - 1, so that for example a time
- from 5:00-6:00 is distinct from 6:00-7:00.
- We never finish on a grid line separating days, and we only
- ever paint on a normal vertical grid line if the period is
- only 1 pixel wide. */
- x2_within_day = x2 % mts->day_width;
- if (x2_within_day == 0) {
- x2 -= 2;
- } else if (x2_within_day == mts->day_width - 1) {
- x2 -= 1;
- } else {
- x2_within_col = x2_within_day % mts->col_width;
- if (x2_within_col == 0 && x2 > x1 + 1)
- x2 -= 1;
- }
-
- /* Paint the rectangle. We leave a gap of 2 pixels at the
- top and bottom, remembering that the grid is painted along
- the top/bottom line of each row. */
- if (x2 - x1 > 0) {
-#if E_MEETING_TIME_SELECTOR_DRAW_GRID_LINES_AT_BOTTOM
- gdk_draw_rectangle (drawable, gc, TRUE,
- x1 - x, y + 2,
- x2 - x1, mts->row_height - 5);
-#else
- gdk_draw_rectangle (drawable, gc, TRUE,
- x1 - x, y + 3,
- x2 - x1, mts->row_height - 5);
-#endif
- }
- }
-}
-
-
-/*
- * CANVAS ITEM ROUTINES - functions to be a GnomeCanvasItem.
- */
-
-/* This is supposed to return the nearest item the the point and the distance.
- Since we are the only item we just return ourself and 0 for the distance.
- This is needed so that we get button/motion events. */
-static double
-e_meeting_time_selector_item_point (GnomeCanvasItem *item, double x, double y,
- int cx, int cy,
- GnomeCanvasItem **actual_item)
-{
- *actual_item = item;
- return 0.0;
-}
-
-
-static gint
-e_meeting_time_selector_item_event (GnomeCanvasItem *item, GdkEvent *event)
-{
- EMeetingTimeSelectorItem *mts_item;
-
- mts_item = E_MEETING_TIME_SELECTOR_ITEM (item);
-
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- return e_meeting_time_selector_item_button_press (mts_item,
- event);
- case GDK_BUTTON_RELEASE:
- return e_meeting_time_selector_item_button_release (mts_item,
- event);
- case GDK_MOTION_NOTIFY:
- return e_meeting_time_selector_item_motion_notify (mts_item,
- event);
- default:
- break;
- }
-
- return FALSE;
-}
-
-
-/* This handles all button press events for the item. If the cursor is over
- one of the meeting time vertical bars we start a drag. If not we set the
- meeting time to the nearest half-hour interval.
- Note that GnomeCanvas converts the event coords to world coords,
- i.e. relative to the entire canvas scroll area. */
-static gint
-e_meeting_time_selector_item_button_press (EMeetingTimeSelectorItem *mts_item,
- GdkEvent *event)
-{
- EMeetingTimeSelector *mts;
- EMeetingTimeSelectorTime start_time, end_time;
- EMeetingTimeSelectorPosition position;
- GDate *start_date, *end_date;
- gint x, y;
-
- mts = mts_item->mts;
- x = (gint) event->button.x;
- y = (gint) event->button.y;
-
- /* Check if we are starting a drag of the vertical meeting time bars.*/
- position = e_meeting_time_selector_item_get_drag_position (mts_item,
- x, y);
- if (position != E_MEETING_TIME_SELECTOR_POS_NONE) {
- if (gnome_canvas_item_grab (GNOME_CANVAS_ITEM (mts_item),
- GDK_POINTER_MOTION_MASK
- | GDK_BUTTON_RELEASE_MASK,
- mts_item->resize_cursor,
- event->button.time) == 0 /*Success*/) {
- mts->dragging_position = position;
- return TRUE;
- }
- }
-
- /* Convert the x coordinate into a EMeetingTimeSelectorTime. */
- e_meeting_time_selector_calculate_time (mts, x, &start_time);
- start_date = &start_time.date;
- end_date = &end_time.date;
-
- /* Find the nearest half-hour or hour interval, depending on whether
- zoomed_out is set. */
- if (mts->zoomed_out) {
- start_time.minute = 0;
- end_time = start_time;
- end_time.hour += 1;
- } else {
- start_time.minute -= start_time.minute % 30;
- end_time = start_time;
- end_time.minute += 30;
- }
-
- /* Fix any overflows. */
- e_meeting_time_selector_fix_time_overflows (&end_time);
-
- /* Set the new meeting time. */
- e_meeting_time_selector_set_meeting_time (mts_item->mts,
- g_date_year (start_date),
- g_date_month (start_date),
- g_date_day (start_date),
- start_time.hour,
- start_time.minute,
- g_date_year (end_date),
- g_date_month (end_date),
- g_date_day (end_date),
- end_time.hour,
- end_time.minute);
-
-
- return FALSE;
-}
-
-
-/* This handles all button release events for the item. If we were dragging,
- we finish the drag. */
-static gint
-e_meeting_time_selector_item_button_release (EMeetingTimeSelectorItem *mts_item,
- GdkEvent *event)
-{
- EMeetingTimeSelector *mts;
-
- mts = mts_item->mts;
-
- /* Reset any drag. */
- if (mts->dragging_position != E_MEETING_TIME_SELECTOR_POS_NONE) {
- mts->dragging_position = E_MEETING_TIME_SELECTOR_POS_NONE;
- e_meeting_time_selector_remove_timeout (mts);
- gnome_canvas_item_ungrab (GNOME_CANVAS_ITEM (mts_item),
- event->button.time);
- }
-
- return FALSE;
-}
-
-
-/* This handles all motion notify events for the item. If button1 is pressed
- we check if a drag is in progress. If not, we set the cursor if we are over
- the meeting time vertical bars. Note that GnomeCanvas doesn't use motion
- hints, which may affect performance. */
-static gint
-e_meeting_time_selector_item_motion_notify (EMeetingTimeSelectorItem *mts_item,
- GdkEvent *event)
-{
- EMeetingTimeSelector *mts;
- EMeetingTimeSelectorPosition position;
- GdkCursor *cursor;
- gint x, y;
-
- mts = mts_item->mts;
- x = (gint) event->motion.x;
- y = (gint) event->motion.y;
-
- if (mts->dragging_position != E_MEETING_TIME_SELECTOR_POS_NONE) {
- e_meeting_time_selector_drag_meeting_time (mts, x);
- return TRUE;
- }
-
- position = e_meeting_time_selector_item_get_drag_position (mts_item,
- x, y);
-
- /* Determine which cursor should be used. */
- if (position == E_MEETING_TIME_SELECTOR_POS_NONE)
- cursor = mts_item->normal_cursor;
- else
- cursor = mts_item->resize_cursor;
-
- /* Only set the cursor if it is different to the last one we set. */
- if (mts_item->last_cursor_set != cursor) {
- mts_item->last_cursor_set = cursor;
- gdk_window_set_cursor (GTK_WIDGET (GNOME_CANVAS_ITEM (mts_item)->canvas)->window, cursor);
- }
-
- return FALSE;
-}
-
-
-static EMeetingTimeSelectorPosition
-e_meeting_time_selector_item_get_drag_position (EMeetingTimeSelectorItem *mts_item,
- gint x, gint y)
-{
- EMeetingTimeSelector *mts;
- gboolean is_display_top;
- gint meeting_start_x, meeting_end_x;
-
- mts = mts_item->mts;
-
- is_display_top = (GTK_WIDGET (GNOME_CANVAS_ITEM (mts_item)->canvas) == mts->display_top) ? TRUE : FALSE;
-
- if (is_display_top && y < mts->row_height * 2)
- return E_MEETING_TIME_SELECTOR_POS_NONE;
-
- if (!e_meeting_time_selector_get_meeting_time_positions (mts, &meeting_start_x, &meeting_end_x))
- return E_MEETING_TIME_SELECTOR_POS_NONE;
-
- if (x >= meeting_end_x - 2 && x <= meeting_end_x + 2)
- return E_MEETING_TIME_SELECTOR_POS_END;
-
- if (x >= meeting_start_x - 2 && x <= meeting_start_x + 2)
- return E_MEETING_TIME_SELECTOR_POS_START;
-
- return E_MEETING_TIME_SELECTOR_POS_NONE;
-}
-