diff options
Diffstat (limited to 'calendar/gui/e-day-view-top-item.c')
| -rw-r--r-- | calendar/gui/e-day-view-top-item.c | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/calendar/gui/e-day-view-top-item.c b/calendar/gui/e-day-view-top-item.c new file mode 100644 index 0000000000..fe19c6b491 --- /dev/null +++ b/calendar/gui/e-day-view-top-item.c @@ -0,0 +1,553 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@helixcode.com> + * + * 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 + */ + +/* + * EDayViewTopItem - displays the top part of the Day/Work Week calendar view. + */ + +#include "e-day-view-top-item.h" + +static void e_day_view_top_item_class_init (EDayViewTopItemClass *class); +static void e_day_view_top_item_init (EDayViewTopItem *dvtitem); + +static void e_day_view_top_item_set_arg (GtkObject *o, + GtkArg *arg, + guint arg_id); +static void e_day_view_top_item_update (GnomeCanvasItem *item, + double *affine, + ArtSVP *clip_path, + int flags); +static void e_day_view_top_item_draw (GnomeCanvasItem *item, + GdkDrawable *drawable, + int x, + int y, + int width, + int height); +static void e_day_view_top_item_draw_long_event (EDayViewTopItem *dvtitem, + gint event_num, + GdkDrawable *drawable, + int x, + int y, + int width, + int height); +static void e_day_view_top_item_draw_triangle (EDayViewTopItem *dvtitem, + GdkDrawable *drawable, + gint x, + gint y, + gint w, + gint h); +static double e_day_view_top_item_point (GnomeCanvasItem *item, + double x, + double y, + int cx, + int cy, + GnomeCanvasItem **actual_item); +static gint e_day_view_top_item_event (GnomeCanvasItem *item, + GdkEvent *event); + + +static GnomeCanvasItemClass *parent_class; + +/* The arguments we take */ +enum { + ARG_0, + ARG_DAY_VIEW +}; + + +GtkType +e_day_view_top_item_get_type (void) +{ + static GtkType e_day_view_top_item_type = 0; + + if (!e_day_view_top_item_type) { + GtkTypeInfo e_day_view_top_item_info = { + "EDayViewTopItem", + sizeof (EDayViewTopItem), + sizeof (EDayViewTopItemClass), + (GtkClassInitFunc) e_day_view_top_item_class_init, + (GtkObjectInitFunc) e_day_view_top_item_init, + NULL, /* reserved_1 */ + NULL, /* reserved_2 */ + (GtkClassInitFunc) NULL + }; + + e_day_view_top_item_type = gtk_type_unique (gnome_canvas_item_get_type (), &e_day_view_top_item_info); + } + + return e_day_view_top_item_type; +} + + +static void +e_day_view_top_item_class_init (EDayViewTopItemClass *class) +{ + GtkObjectClass *object_class; + GnomeCanvasItemClass *item_class; + + parent_class = gtk_type_class (gnome_canvas_item_get_type()); + + object_class = (GtkObjectClass *) class; + item_class = (GnomeCanvasItemClass *) class; + + gtk_object_add_arg_type ("EDayViewTopItem::day_view", + GTK_TYPE_POINTER, GTK_ARG_WRITABLE, + ARG_DAY_VIEW); + + object_class->set_arg = e_day_view_top_item_set_arg; + + /* GnomeCanvasItem method overrides */ + item_class->update = e_day_view_top_item_update; + item_class->draw = e_day_view_top_item_draw; + item_class->point = e_day_view_top_item_point; + item_class->event = e_day_view_top_item_event; +} + + +static void +e_day_view_top_item_init (EDayViewTopItem *dvtitem) +{ + dvtitem->day_view = NULL; +} + + +static void +e_day_view_top_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) +{ + GnomeCanvasItem *item; + EDayViewTopItem *dvtitem; + + item = GNOME_CANVAS_ITEM (o); + dvtitem = E_DAY_VIEW_TOP_ITEM (o); + + switch (arg_id){ + case ARG_DAY_VIEW: + dvtitem->day_view = GTK_VALUE_POINTER (*arg); + break; + } +} + + +static void +e_day_view_top_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 item 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_day_view_top_item_draw (GnomeCanvasItem *canvas_item, + GdkDrawable *drawable, + int x, + int y, + int width, + int height) +{ + EDayViewTopItem *dvtitem; + EDayView *day_view; + GtkStyle *style; + GdkGC *fg_gc, *bg_gc, *light_gc, *dark_gc; + gchar buffer[128]; + GdkRectangle clip_rect; + GdkFont *font; + gint canvas_width, canvas_height, left_edge, day, date_width, date_x; + gint item_height, event_num; + struct tm *day_start; + +#if 0 + g_print ("In e_day_view_top_item_draw %i,%i %ix%i\n", + x, y, width, height); +#endif + dvtitem = E_DAY_VIEW_TOP_ITEM (canvas_item); + day_view = dvtitem->day_view; + g_return_if_fail (day_view != NULL); + + style = GTK_WIDGET (day_view)->style; + font = style->font; + fg_gc = style->fg_gc[GTK_STATE_NORMAL]; + bg_gc = style->bg_gc[GTK_STATE_NORMAL]; + light_gc = style->light_gc[GTK_STATE_NORMAL]; + dark_gc = style->dark_gc[GTK_STATE_NORMAL]; + canvas_width = GTK_WIDGET (canvas_item->canvas)->allocation.width; + canvas_height = GTK_WIDGET (canvas_item->canvas)->allocation.height; + left_edge = 0; + item_height = day_view->top_row_height - E_DAY_VIEW_TOP_CANVAS_Y_GAP; + + /* Clear the entire background. */ + gdk_draw_rectangle (drawable, dark_gc, TRUE, + left_edge - x, 0, + canvas_width - left_edge, height); + + /* Draw the shadow around the dates. */ + gdk_draw_line (drawable, light_gc, + left_edge + 1 - x, 1 - y, + canvas_width - 2 - x, 1 - y); + gdk_draw_line (drawable, light_gc, + left_edge + 1 - x, 2 - y, + left_edge + 1 - x, item_height - 1 - y); + + /* Draw the background for the dates. */ + gdk_draw_rectangle (drawable, bg_gc, TRUE, + left_edge + 2 - x, 2 - y, + canvas_width - left_edge - 3, + item_height - 3); + + /* Draw the selection background. */ + if (day_view->selection_start_col != -1) { + gint start_col, end_col, rect_x, rect_y, rect_w, rect_h; + + start_col = day_view->selection_start_col; + end_col = day_view->selection_end_col; + + if (end_col > start_col + || day_view->selection_start_row == -1 + || day_view->selection_end_row == -1) { + rect_x = day_view->day_offsets[start_col]; + rect_y = item_height; + rect_w = day_view->day_offsets[end_col + 1] - rect_x; + rect_h = canvas_height - 1 - rect_y; + + gdk_draw_rectangle (drawable, style->white_gc, TRUE, + rect_x - x, rect_y - y, + rect_w, rect_h); + } + } + + /* Draw the date. Set a clipping rectangle so we don't draw over the + next day. */ + for (day = 0; day < day_view->days_shown; day++) { + day_start = localtime (&day_view->day_starts[day]); + + if (day_view->date_format == E_DAY_VIEW_DATE_FULL) + strftime (buffer, 128, "%d %B", day_start); + else if (day_view->date_format == E_DAY_VIEW_DATE_ABBREVIATED) + strftime (buffer, 128, "%d %b", day_start); + else + strftime (buffer, 128, "%d", day_start); + + clip_rect.x = day_view->day_offsets[day] - x; + clip_rect.y = 2 - y; + clip_rect.width = day_view->day_widths[day]; + clip_rect.height = item_height - 2; + gdk_gc_set_clip_rectangle (fg_gc, &clip_rect); + + date_width = gdk_string_width (font, buffer); + date_x = day_view->day_offsets[day] + (day_view->day_widths[day] - date_width) / 2; + gdk_draw_string (drawable, font, fg_gc, + date_x - x, 3 + font->ascent - y, buffer); + + gdk_gc_set_clip_rectangle (fg_gc, NULL); + + /* Draw the lines down the left and right of the date cols. */ + if (day != 0) { + gdk_draw_line (drawable, light_gc, + day_view->day_offsets[day] - x, + 4 - y, + day_view->day_offsets[day] - x, + item_height - 4 - y); + + gdk_draw_line (drawable, dark_gc, + day_view->day_offsets[day] - 1 - x, + 4 - y, + day_view->day_offsets[day] - 1 - x, + item_height - 4 - y); + } + + /* Draw the lines between each column. */ + if (day != 0) { + gdk_draw_line (drawable, style->black_gc, + day_view->day_offsets[day] - x, + item_height - y, + day_view->day_offsets[day] - x, + canvas_height - y); + } + } + + /* Draw the long events. */ + for (event_num = 0; event_num < day_view->long_events->len; + event_num++) { + e_day_view_top_item_draw_long_event (dvtitem, event_num, + drawable, + x, y, width, height); + } +} + + +/* This draws one event in the top canvas. */ +static void +e_day_view_top_item_draw_long_event (EDayViewTopItem *dvtitem, + gint event_num, + GdkDrawable *drawable, + int x, + int y, + int width, + int height) +{ + EDayView *day_view; + EDayViewEvent *event; + GtkStyle *style; + GdkGC *gc, *fg_gc, *bg_gc; + GdkFont *font; + gint start_day, end_day; + gint item_x, item_y, item_w, item_h; + gint text_x, icon_x, icon_y, icon_x_inc; + iCalObject *ico; + gchar buffer[16]; + gint hour, minute, offset, time_width; + gboolean draw_start_triangle, draw_end_triangle; + + day_view = dvtitem->day_view; + + /* If the event is currently being dragged, don't draw it. It will + be drawn in the special drag items. */ + if (day_view->drag_event_day == E_DAY_VIEW_LONG_EVENT + && day_view->drag_event_num == event_num) + return; + + if (!e_day_view_get_long_event_position (day_view, event_num, + &start_day, &end_day, + &item_x, &item_y, + &item_w, &item_h)) + return; + + event = &g_array_index (day_view->long_events, EDayViewEvent, + event_num); + + style = GTK_WIDGET (day_view)->style; + font = style->font; + gc = day_view->main_gc; + fg_gc = style->fg_gc[GTK_STATE_NORMAL]; + bg_gc = style->bg_gc[GTK_STATE_NORMAL]; + ico = event->ico; + + /* Draw the lines across the top & bottom of the entire event. */ + gdk_draw_line (drawable, fg_gc, + item_x - x, item_y - y, + item_x + item_w - 1 - x, item_y - y); + gdk_draw_line (drawable, fg_gc, + item_x - x, item_y + item_h - 1 - y, + item_x + item_w - 1 - x, item_y + item_h - 1 - y); + + /* Fill it in. */ + gdk_draw_rectangle (drawable, bg_gc, TRUE, + item_x - x, item_y + 1 - y, + item_w, item_h - 2); + + /* When resizing we don't draw the triangles.*/ + draw_start_triangle = TRUE; + draw_end_triangle = TRUE; + if (day_view->resize_drag_pos != E_DAY_VIEW_POS_NONE + && day_view->resize_event_day == E_DAY_VIEW_LONG_EVENT + && day_view->resize_event_num == event_num) { + if (day_view->resize_drag_pos == E_DAY_VIEW_POS_LEFT_EDGE) + draw_start_triangle = FALSE; + + if (day_view->resize_drag_pos == E_DAY_VIEW_POS_RIGHT_EDGE) + draw_end_triangle = FALSE; + } + + /* If the event starts before the first day shown, draw a triangle, + else just draw a vertical line down the left. */ + if (draw_start_triangle + && event->start < day_view->day_starts[start_day]) { + e_day_view_top_item_draw_triangle (dvtitem, drawable, + item_x - x, item_y - y, + -E_DAY_VIEW_BAR_WIDTH, + item_h); + } else { + gdk_draw_line (drawable, fg_gc, + item_x - x, item_y - y, + item_x - x, item_y + item_h - 1 - y); + } + + /* Similar for the event end. */ + if (draw_end_triangle + && event->end > day_view->day_starts[end_day + 1]) { + e_day_view_top_item_draw_triangle (dvtitem, drawable, + item_x + item_w - 1 - x, + item_y - y, + E_DAY_VIEW_BAR_WIDTH, + item_h); + } else { + gdk_draw_line (drawable, fg_gc, + item_x + item_w - 1 - x, + item_y - y, + item_x + item_w - 1 - x, + item_y + item_h - 1 - y); + } + + /* If we are editing the event we don't show the icons or the start + & end times. */ + if (day_view->editing_event_day == E_DAY_VIEW_LONG_EVENT + && day_view->editing_event_num == event_num) + return; + + /* Determine the position of the label, so we know where to place the + icons. Note that since the top canvas never scrolls we don't need + to take the scroll offset into account. It will always be 0. */ + text_x = event->canvas_item->x1; + + /* Draw the icons. */ + icon_x_inc = E_DAY_VIEW_ICON_WIDTH + E_DAY_VIEW_ICON_X_PAD; + icon_x = text_x - icon_x_inc - x; + icon_y = item_y + 1 + E_DAY_VIEW_ICON_Y_PAD - y; + + if (ico->recur) { + gdk_gc_set_clip_origin (gc, icon_x, icon_y); + gdk_gc_set_clip_mask (gc, day_view->recurrence_mask); + gdk_draw_pixmap (drawable, gc, + day_view->recurrence_icon, + 0, 0, icon_x, icon_y, + E_DAY_VIEW_ICON_WIDTH, + E_DAY_VIEW_ICON_HEIGHT); + icon_x -= icon_x_inc; + } + + if (ico->dalarm.enabled || ico->malarm.enabled + || ico->palarm.enabled || ico->aalarm.enabled) { + gdk_gc_set_clip_origin (gc, icon_x, icon_y); + gdk_gc_set_clip_mask (gc, day_view->reminder_mask); + gdk_draw_pixmap (drawable, gc, + day_view->reminder_icon, + 0, 0, icon_x, icon_y, + E_DAY_VIEW_ICON_WIDTH, + E_DAY_VIEW_ICON_HEIGHT); + icon_x -= icon_x_inc; + } + gdk_gc_set_clip_mask (gc, NULL); + + /* Draw the start & end times, if necessary. + Note that GtkLabel adds 1 to the ascent so we must do that to be + level with it. */ + if (event->start > day_view->day_starts[start_day]) { + offset = day_view->first_hour_shown * 60 + + day_view->first_minute_shown + event->start_minute; + hour = offset / 60; + minute = offset % 60; + sprintf (buffer, "%02i:%02i", hour, minute); + gdk_draw_string (drawable, font, fg_gc, + item_x + + E_DAY_VIEW_LONG_EVENT_X_PAD - x, + item_y + E_DAY_VIEW_LONG_EVENT_Y_PAD + font->ascent + 1 - y, + buffer); + } + + if (event->end < day_view->day_starts[end_day + 1]) { + offset = day_view->first_hour_shown * 60 + + day_view->first_minute_shown + event->end_minute; + hour = offset / 60; + minute = offset % 60; + sprintf (buffer, "%02i:%02i", hour, minute); + time_width = day_view->small_hour_widths[hour] + + day_view->max_minute_width + day_view->colon_width; + gdk_draw_string (drawable, font, fg_gc, + item_x + item_w - E_DAY_VIEW_LONG_EVENT_X_PAD - time_width - E_DAY_VIEW_LONG_EVENT_TIME_X_PAD - x, + item_y + E_DAY_VIEW_LONG_EVENT_Y_PAD + font->ascent + 1 - y, + buffer); + } +} + + +/* This draws a little triangle to indicate that an event extends past + the days visible on screen. */ +static void +e_day_view_top_item_draw_triangle (EDayViewTopItem *dvtitem, + GdkDrawable *drawable, + gint x, + gint y, + gint w, + gint h) +{ + EDayView *day_view; + GtkStyle *style; + GdkGC *fg_gc, *bg_gc; + GdkPoint points[3]; + + day_view = dvtitem->day_view; + + style = GTK_WIDGET (day_view)->style; + fg_gc = style->fg_gc[GTK_STATE_NORMAL]; + bg_gc = style->bg_gc[GTK_STATE_NORMAL]; + + points[0].x = x; + points[0].y = y; + points[1].x = x + w; + points[1].y = y + (h / 2) - 1; + points[2].x = x; + points[2].y = y + h - 1; + + gdk_draw_polygon (drawable, bg_gc, TRUE, points, 3); + gdk_draw_line (drawable, fg_gc, x, y, x + w, y + (h / 2) - 1); + gdk_draw_line (drawable, fg_gc, x, y + h - 1, x + w, y + h - (h / 2)); +} + + +/* 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_day_view_top_item_point (GnomeCanvasItem *item, double x, double y, + int cx, int cy, + GnomeCanvasItem **actual_item) +{ + *actual_item = item; + return 0.0; +} + + +static gint +e_day_view_top_item_event (GnomeCanvasItem *item, GdkEvent *event) +{ + EDayViewTopItem *dvtitem; + + dvtitem = E_DAY_VIEW_TOP_ITEM (item); + + switch (event->type) { + case GDK_BUTTON_PRESS: + + case GDK_BUTTON_RELEASE: + + case GDK_MOTION_NOTIFY: + + default: + break; + } + + return FALSE; +} + + |