diff options
Diffstat (limited to 'widgets/meeting-time-sel/e-meeting-time-sel-item.c')
| -rw-r--r-- | widgets/meeting-time-sel/e-meeting-time-sel-item.c | 993 |
1 files changed, 0 insertions, 993 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 f67524055a..0000000000 --- a/widgets/meeting-time-sel/e-meeting-time-sel-item.c +++ /dev/null @@ -1,993 +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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <time.h> -#include <glib.h> -#include <libgnome/gnome-defs.h> -#include <libgnome/gnome-i18n.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 gboolean e_meeting_time_selector_item_calculate_busy_range (EMeetingTimeSelector *mts, - gint row, - gint x, - gint width, - gint *start_x, - gint *end_x); - -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; - mts_item->stipple_gc = NULL; - - /* Create the cursors. */ - mts_item->normal_cursor = gdk_cursor_new (GDK_LEFT_PTR); - 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); - mts_item->stipple_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; - gdk_gc_unref (mts_item->stipple_gc); - mts_item->stipple_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, start_x, end_x; - GDate date, last_date, current_date; - gboolean is_display_top, show_meeting_time; - GdkGC *gc, *stipple_gc; - - mts_item = E_MEETING_TIME_SELECTOR_ITEM (item); - mts = mts_item->mts; - g_return_if_fail (mts != NULL); - gc = mts_item->main_gc; - stipple_gc = mts_item->stipple_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, mts->row_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_foreground (stipple_gc, &mts->grid_color); - gdk_gc_set_background (stipple_gc, &mts->stipple_bg_color); - gdk_gc_set_stipple (stipple_gc, mts->stipple); - gnome_canvas_set_stipple_origin (item->canvas, stipple_gc); - gdk_gc_set_fill (stipple_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) { - if (e_meeting_time_selector_item_calculate_busy_range (mts, row, x, width, &start_x, &end_x)) { - if (start_x >= width || end_x <= 0) { - gdk_draw_rectangle (drawable, stipple_gc, TRUE, 0, row_y, width, mts->row_height); - } else { - if (start_x >= 0) { - gdk_draw_rectangle (drawable, stipple_gc, TRUE, 0, row_y, start_x, mts->row_height); - gdk_draw_line (drawable, gc, start_x, row_y, start_x, row_y + mts->row_height); - } - if (end_x <= width) { - gdk_draw_rectangle (drawable, stipple_gc, TRUE, end_x, row_y, width - end_x, mts->row_height); - gdk_draw_line (drawable, gc, end_x, row_y, end_x, row_y + mts->row_height); - } - } - } - } else { - gdk_draw_rectangle (drawable, stipple_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, ¤t_date, day_x, y, width, height); - else - e_meeting_time_selector_item_paint_day (mts_item, drawable, ¤t_date, day_x, y, width, height); - - day_x += mts_item->mts->day_width; - if (g_date_compare (¤t_date, &last_date) == 0) - break; - g_date_add_days (¤t_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], *format; - 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 - scroll_y, - 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) - /* This is a strftime() format string %A = full weekday name, - %B = full month name, %d = month day, %Y = full year. */ - format = _("%A, %B %d, %Y"); - else if (mts->date_format == E_MEETING_TIME_SELECTOR_DATE_ABBREVIATED_DAY) - /* This is a strftime() format string %a = abbreviated weekday - name, %m = month number, %d = month day, %Y = full year. */ - format = _("%a %m/%d/%Y"); - else - /* This is a strftime() format string %m = month number, - %d = month day, %Y = full year. */ - format = _("%m/%d/%Y"); - - g_date_strftime (buffer, sizeof (buffer), format, 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; -} - - -static gboolean -e_meeting_time_selector_item_calculate_busy_range (EMeetingTimeSelector *mts, - gint row, - gint x, - gint width, - gint *start_x, - gint *end_x) -{ - EMeetingTimeSelectorAttendee *attendee; - - attendee = &g_array_index (mts->attendees, - EMeetingTimeSelectorAttendee, row); - - *start_x = -1; - *end_x = -1; - - if (!g_date_valid (&attendee->busy_periods_start.date) - || !g_date_valid (&attendee->busy_periods_end.date)) - return FALSE; - - *start_x = e_meeting_time_selector_calculate_time_position (mts, &attendee->busy_periods_start) - x - 1; - - *end_x = e_meeting_time_selector_calculate_time_position (mts, &attendee->busy_periods_end) - x; - - return TRUE; -} |