gsoc2013-evolution - Google Summer of Code 2013 - GNOME

diff options

Diffstat

-rw-r--r--

ChangeLog

-rw-r--r--

NEWS

-rw-r--r--

configure.in

3 files changed, 59 insertions, 1 deletions

/* -*- 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 */ /* * EWeekView - displays the Week & Month views of the calendar. */ #include <config.h> #include <math.h> #include <gnome.h> #include "e-week-view.h" #include "e-week-view-event-item.h" #include "e-week-view-main-item.h" #include "e-week-view-titles-item.h" #include "main.h" #include <cal-util/timeutil.h> #include "popup-menu.h" #include "eventedit.h" #include "../e-util/e-canvas.h" #include "../widgets/e-text/e-text.h" /* Images */ #include "bell.xpm" #include "recur.xpm" #define E_WEEK_VIEW_SMALL_FONT \ "-adobe-utopia-regular-r-normal-*-*-100-*-*-p-*-iso8859-*" #define E_WEEK_VIEW_SMALL_FONT_FALLBACK \ "-adobe-helvetica-medium-r-normal-*-*-80-*-*-p-*-iso8859-*" /* We use a 7-bit field to store row numbers in EWeekViewEventSpan, so the maximum number or rows we can allow is 127. It is very unlikely to be reached anyway. */ #define E_WEEK_VIEW_MAX_ROWS_PER_CELL 127 static void e_week_view_class_init (EWeekViewClass *class); static void e_week_view_init (EWeekView *week_view); static void e_week_view_destroy (GtkObject *object); static void e_week_view_realize (GtkWidget *widget); static void e_week_view_unrealize (GtkWidget *widget); static void e_week_view_style_set (GtkWidget *widget, GtkStyle *previous_style); static void e_week_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void e_week_view_recalc_cell_sizes (EWeekView *week_view); static gint e_week_view_focus_in (GtkWidget *widget, GdkEventFocus *event); static gint e_week_view_focus_out (GtkWidget *widget, GdkEventFocus *event); static gint e_week_view_expose_event (GtkWidget *widget, GdkEventExpose *event); static void e_week_view_draw (GtkWidget *widget, GdkRectangle *area); static void e_week_view_draw_shadow (EWeekView *week_view); static gboolean e_week_view_on_button_press (GtkWidget *widget, GdkEventButton *event, EWeekView *week_view); static gboolean e_week_view_on_button_release (GtkWidget *widget, GdkEventButton *event, EWeekView *week_view); static gboolean e_week_view_on_motion (GtkWidget *widget, GdkEventMotion *event, EWeekView *week_view); static gint e_week_view_convert_position_to_day (EWeekView *week_view, gint x, gint y); static void e_week_view_update_selection (EWeekView *week_view, gint day); static void e_week_view_reload_events (EWeekView *week_view); static void e_week_view_free_events (EWeekView *week_view); static int e_week_view_add_event (iCalObject *ico, time_t start, time_t end, gpointer data); static void e_week_view_check_layout (EWeekView *week_view); static void e_week_view_layout_events (EWeekView *week_view); static void e_week_view_layout_event (EWeekView *week_view, EWeekViewEvent *event, guint8 *grid, GArray *spans); static void e_week_view_ensure_events_sorted (EWeekView *week_view); static gint e_week_view_event_sort_func (const void *arg1, const void *arg2); static void e_week_view_reshape_events (EWeekView *week_view); static void e_week_view_reshape_event_span (EWeekView *week_view, gint event_num, gint span_num); static gint e_week_view_find_day (EWeekView *week_view, time_t time_to_find, gboolean include_midnight_in_prev_day); static gint e_week_view_find_span_end (EWeekView *week_view, gint day); static void e_week_view_recalc_day_starts (EWeekView *week_view, time_t lower); static void e_week_view_on_adjustment_changed (GtkAdjustment *adjustment, EWeekView *week_view); static void e_week_view_on_editing_started (EWeekView *week_view, GnomeCanvasItem *item); static void e_week_view_on_editing_stopped (EWeekView *week_view, GnomeCanvasItem *item); static gboolean e_week_view_find_event_from_item (EWeekView *week_view, GnomeCanvasItem *item, gint *event_num, gint *span_num); static gboolean e_week_view_find_event_from_uid (EWeekView *week_view, const gchar *uid, gint *event_num_return); typedef gboolean (* EWeekViewForeachEventCallback) (EWeekView *week_view, gint event_num, gpointer data); static void e_week_view_foreach_event_with_uid (EWeekView *week_view, const gchar *uid, EWeekViewForeachEventCallback callback, gpointer data); static gboolean e_week_view_on_text_item_event (GnomeCanvasItem *item, GdkEvent *event, EWeekView *week_view); static gint e_week_view_key_press (GtkWidget *widget, GdkEventKey *event); static void e_week_view_on_new_appointment (GtkWidget *widget, gpointer data); static void e_week_view_on_edit_appointment (GtkWidget *widget, gpointer data); static void e_week_view_on_delete_occurance (GtkWidget *widget, gpointer data); static void e_week_view_on_delete_appointment (GtkWidget *widget, gpointer data); static void e_week_view_on_unrecur_appointment (GtkWidget *widget, gpointer data); static gboolean e_week_view_update_event_cb (EWeekView *week_view, gint event_num, gpointer data); static gboolean e_week_view_remove_event_cb (EWeekView *week_view, gint event_num, gpointer data); static GtkTableClass *parent_class; GtkType e_week_view_get_type (void) { static GtkType e_week_view_type = 0; if (!e_week_view_type){ GtkTypeInfo e_week_view_info = { "EWeekView", sizeof (EWeekView), sizeof (EWeekViewClass), (GtkClassInitFunc) e_week_view_class_init, (GtkObjectInitFunc) e_week_view_init, NULL, /* reserved 1 */ NULL, /* reserved 2 */ (GtkClassInitFunc) NULL }; parent_class = gtk_type_class (GTK_TYPE_TABLE); e_week_view_type = gtk_type_unique (GTK_TYPE_TABLE, &e_week_view_info); } return e_week_view_type; } static void e_week_view_class_init (EWeekViewClass *class) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; object_class = (GtkObjectClass *) class; widget_class = (GtkWidgetClass *) class; /* Method override */ object_class->destroy = e_week_view_destroy; widget_class->realize = e_week_view_realize; widget_class->unrealize = e_week_view_unrealize; widget_class->style_set = e_week_view_style_set; widget_class->size_allocate = e_week_view_size_allocate; widget_class->focus_in_event = e_week_view_focus_in; widget_class->focus_out_event = e_week_view_focus_out; widget_class->key_press_event = e_week_view_key_press; widget_class->expose_event = e_week_view_expose_event; widget_class->draw = e_week_view_draw; } static void e_week_view_init (EWeekView *week_view) { GdkColormap *colormap; gboolean success[E_WEEK_VIEW_COLOR_LAST]; gint nfailed; GnomeCanvasGroup *canvas_group; GtkObject *adjustment; GTK_WIDGET_SET_FLAGS (week_view, GTK_CAN_FOCUS); colormap = gtk_widget_get_colormap (GTK_WIDGET (week_view)); week_view->calendar = NULL; week_view->events = g_array_new (FALSE, FALSE, sizeof (EWeekViewEvent)); week_view->events_sorted = TRUE; week_view->events_need_layout = FALSE; week_view->events_need_reshape = FALSE; week_view->spans = NULL; week_view->display_month = FALSE; week_view->rows = 6; week_view->columns = 2; week_view->compress_weekend = TRUE; g_date_clear (&week_view->base_date, 1); g_date_clear (&week_view->first_day_shown, 1); week_view->row_height = 10; week_view->rows_per_cell = 1; week_view->selection_start_day = -1; week_view->selection_drag_pos = E_WEEK_VIEW_DRAG_NONE; week_view->pressed_event_num = -1; week_view->editing_event_num = -1; week_view->editing_new_event = FALSE; /* Create the small font. */ week_view->use_small_font = TRUE; week_view->small_font = gdk_font_load (E_WEEK_VIEW_SMALL_FONT); if (!week_view->small_font) week_view->small_font = gdk_font_load (E_WEEK_VIEW_SMALL_FONT_FALLBACK); if (!week_view->small_font) g_warning ("Couldn't load font"); /* Allocate the colors. */ week_view->colors[E_WEEK_VIEW_COLOR_EVEN_MONTHS].red = 0xeded; week_view->colors[E_WEEK_VIEW_COLOR_EVEN_MONTHS].green = 0xeded; week_view->colors[E_WEEK_VIEW_COLOR_EVEN_MONTHS].blue = 0xeded; week_view->colors[E_WEEK_VIEW_COLOR_ODD_MONTHS].red = 65535; week_view->colors[E_WEEK_VIEW_COLOR_ODD_MONTHS].green = 65535; week_view->colors[E_WEEK_VIEW_COLOR_ODD_MONTHS].blue = 65535; week_view->colors[E_WEEK_VIEW_COLOR_EVENT_BACKGROUND].red = 0xd6d6; week_view->colors[E_WEEK_VIEW_COLOR_EVENT_BACKGROUND].green = 0xd6d6; week_view->colors[E_WEEK_VIEW_COLOR_EVENT_BACKGROUND].blue = 0xd6d6; week_view->colors[E_WEEK_VIEW_COLOR_EVENT_BORDER].red = 0; week_view->colors[E_WEEK_VIEW_COLOR_EVENT_BORDER].green = 0; week_view->colors[E_WEEK_VIEW_COLOR_EVENT_BORDER].blue = 0; nfailed = gdk_colormap_alloc_colors (colormap, week_view->colors, E_WEEK_VIEW_COLOR_LAST, FALSE, TRUE, success); if (nfailed) g_warning ("Failed to allocate all colors"); /* * Titles Canvas. Note that we don't show it is only shown in the * Month view. */ week_view->titles_canvas = e_canvas_new (); gtk_table_attach (GTK_TABLE (week_view), week_view->titles_canvas, 1, 2, 0, 1, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0); canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (week_view->titles_canvas)->root); week_view->titles_canvas_item = gnome_canvas_item_new (canvas_group, e_week_view_titles_item_get_type (), "EWeekViewTitlesItem::week_view", week_view, NULL); /* * Main Canvas */ week_view->main_canvas = e_canvas_new (); gtk_table_attach (GTK_TABLE (week_view), week_view->main_canvas, 1, 2, 1, 2, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 1, 1); gtk_widget_show (week_view->main_canvas); canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (week_view->main_canvas)->root); week_view->main_canvas_item = gnome_canvas_item_new (canvas_group, e_week_view_main_item_get_type (), "EWeekViewMainItem::week_view", week_view, NULL); gtk_signal_connect_after (GTK_OBJECT (week_view->main_canvas), "button_press_event", GTK_SIGNAL_FUNC (e_week_view_on_button_press), week_view); gtk_signal_connect_after (GTK_OBJECT (week_view->main_canvas), "button_release_event", GTK_SIGNAL_FUNC (e_week_view_on_button_release), week_view); gtk_signal_connect_after (GTK_OBJECT (week_view->main_canvas), "motion_notify_event", GTK_SIGNAL_FUNC (e_week_view_on_motion), week_view); /* * Scrollbar. */ adjustment = gtk_adjustment_new (0, -52, 52, 1, 1, 1); gtk_signal_connect (adjustment, "value_changed", GTK_SIGNAL_FUNC (e_week_view_on_adjustment_changed), week_view); week_view->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (adjustment)); gtk_table_attach (GTK_TABLE (week_view), week_view->vscrollbar, 2, 3, 1, 2, 0, GTK_EXPAND | GTK_FILL, 0, 0); gtk_widget_show (week_view->vscrollbar); /* Create the pixmaps. */ week_view->reminder_icon = gdk_pixmap_colormap_create_from_xpm_d (NULL, colormap, &week_view->reminder_mask, NULL, bell_xpm); week_view->recurrence_icon = gdk_pixmap_colormap_create_from_xpm_d (NULL, colormap, &week_view->recurrence_mask, NULL, recur_xpm); /* Create the cursors. */ week_view->normal_cursor = gdk_cursor_new (GDK_TOP_LEFT_ARROW); week_view->move_cursor = gdk_cursor_new (GDK_FLEUR); week_view->resize_width_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW); week_view->last_cursor_set = NULL; } /** * e_week_view_new: * @Returns: a new #EWeekView. * * Creates a new #EWeekView. **/ GtkWidget * e_week_view_new (void) { GtkWidget *week_view; week_view = GTK_WIDGET (gtk_type_new (e_week_view_get_type ())); return week_view; } static void e_week_view_destroy (GtkObject *object) { EWeekView *week_view; week_view = E_WEEK_VIEW (object); /* FIXME: free the colors. In EDayView as well. */ /* FIXME: free the events and the spans. In EDayView as well? */ if (week_view->small_font) gdk_font_unref (week_view->small_font); gdk_cursor_destroy (week_view->normal_cursor); gdk_cursor_destroy (week_view->move_cursor); gdk_cursor_destroy (week_view->resize_width_cursor); GTK_OBJECT_CLASS (parent_class)->destroy (object); } static void e_week_view_realize (GtkWidget *widget) { EWeekView *week_view; if (GTK_WIDGET_CLASS (parent_class)->realize) (*GTK_WIDGET_CLASS (parent_class)->realize)(widget); week_view = E_WEEK_VIEW (widget); week_view->main_gc = gdk_gc_new (widget->window); } static void e_week_view_unrealize (GtkWidget *widget) { EWeekView *week_view; week_view = E_WEEK_VIEW (widget); gdk_gc_unref (week_view->main_gc); week_view->main_gc = NULL; if (GTK_WIDGET_CLASS (parent_class)->unrealize) (*GTK_WIDGET_CLASS (parent_class)->unrealize)(widget); } static void e_week_view_style_set (GtkWidget *widget, GtkStyle *previous_style) { EWeekView *week_view; GdkFont *font; gint day, day_width, max_day_width, max_abbr_day_width; gint month, month_width, max_month_width, max_abbr_month_width; GDate date; gchar buffer[128]; if (GTK_WIDGET_CLASS (parent_class)->style_set) (*GTK_WIDGET_CLASS (parent_class)->style_set)(widget, previous_style); week_view = E_WEEK_VIEW (widget); font = widget->style->font; /* Recalculate the height of each row based on the font size. */ week_view->row_height = font->ascent + font->descent + E_WEEK_VIEW_EVENT_BORDER_HEIGHT * 2 + E_WEEK_VIEW_EVENT_TEXT_Y_PAD * 2; week_view->row_height = MAX (week_view->row_height, E_WEEK_VIEW_ICON_HEIGHT + E_WEEK_VIEW_ICON_Y_PAD + E_WEEK_VIEW_EVENT_BORDER_HEIGHT * 2); /* Set the height of the top canvas. */ gtk_widget_set_usize (week_view->titles_canvas, -1, font->ascent + font->descent + 5); /* Save the sizes of various strings in the font, so we can quickly decide which date formats to use. */ g_date_clear (&date, 1); g_date_set_dmy (&date, 27, 3, 2000); /* Must be a Monday. */ max_day_width = 0; max_abbr_day_width = 0; for (day = 0; day < 7; day++) { g_date_strftime (buffer, 128, "%A", &date); day_width = gdk_string_width (font, buffer); week_view->day_widths[day] = day_width; max_day_width = MAX (max_day_width, day_width); g_date_strftime (buffer, 128, "%a", &date); day_width = gdk_string_width (font, buffer); week_view->abbr_day_widths[day] = day_width; max_abbr_day_width = MAX (max_abbr_day_width, day_width); g_date_add_days (&date, 1); } max_month_width = 0; max_abbr_month_width = 0; for (month = 0; month < 12; month++) { g_date_set_month (&date, month + 1); g_date_strftime (buffer, 128, "%B", &date); month_width = gdk_string_width (font, buffer); week_view->month_widths[month] = month_width; max_month_width = MAX (max_month_width, month_width); g_date_strftime (buffer, 128, "%b", &date); month_width = gdk_string_width (font, buffer); week_view->abbr_month_widths[month] = month_width; max_abbr_month_width = MAX (max_abbr_month_width, month_width); } week_view->space_width = gdk_string_width (font, " "); week_view->colon_width = gdk_string_width (font, ":"); week_view->slash_width = gdk_string_width (font, "/"); week_view->digit_width = gdk_string_width (font, "5"); if (week_view->small_font) week_view->small_digit_width = gdk_string_width (week_view->small_font, "5"); week_view->max_day_width = max_day_width; week_view->max_abbr_day_width = max_abbr_day_width; week_view->max_month_width = max_month_width; week_view->max_abbr_month_width = max_abbr_month_width; } /* This recalculates the sizes of each column. */ static void e_week_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { EWeekView *week_view; gint width, height, time_width; gdouble old_x2, old_y2, new_x2, new_y2; GdkFont *font; week_view = E_WEEK_VIEW (widget); font = widget->style->font; (*GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation); e_week_view_recalc_cell_sizes (week_view); /* Calculate the number of rows of events in each cell, for the large cells and the compressed weekend cells. */ if (week_view->display_month) { week_view->events_y_offset = E_WEEK_VIEW_DATE_T_PAD + font->ascent + font->descent + E_WEEK_VIEW_DATE_B_PAD; } else { week_view->events_y_offset = E_WEEK_VIEW_DATE_T_PAD + font->ascent + font->descent + E_WEEK_VIEW_DATE_LINE_T_PAD + 1 + E_WEEK_VIEW_DATE_LINE_B_PAD; } height = week_view->row_heights[0]; week_view->rows_per_cell = (height * 2 - week_view->events_y_offset) / (week_view->row_height + E_WEEK_VIEW_EVENT_Y_SPACING); week_view->rows_per_cell = MIN (week_view->rows_per_cell, E_WEEK_VIEW_MAX_ROWS_PER_CELL); week_view->rows_per_compressed_cell = (height - week_view->events_y_offset) / (week_view->row_height + E_WEEK_VIEW_EVENT_Y_SPACING); week_view->rows_per_compressed_cell = MIN (week_view->rows_per_compressed_cell, E_WEEK_VIEW_MAX_ROWS_PER_CELL); /* Determine which time format to use, based on the width of the cells. We only allow the time to take up about half of the width. */ width = week_view->col_widths[0]; week_view->time_format = E_WEEK_VIEW_TIME_NONE; if (week_view->use_small_font && week_view->small_font) { time_width = week_view->digit_width * 2 + week_view->small_digit_width * 2; if (width / 2 > time_width * 2 + week_view->space_width) week_view->time_format = E_WEEK_VIEW_TIME_BOTH_SMALL_MIN; else if (width / 2 > time_width) week_view->time_format = E_WEEK_VIEW_TIME_START_SMALL_MIN; } else { time_width = week_view->digit_width * 4 + week_view->colon_width; if (width / 2 > time_width * 2 + week_view->space_width) week_view->time_format = E_WEEK_VIEW_TIME_BOTH; else if (width / 2 > time_width) week_view->time_format = E_WEEK_VIEW_TIME_START; } /* Set the scroll region of the top canvas to its allocated size. */ gnome_canvas_get_scroll_region (GNOME_CANVAS (week_view->titles_canvas), NULL, NULL, &old_x2, &old_y2); new_x2 = week_view->titles_canvas->allocation.width - 1; new_y2 = week_view->titles_canvas->allocation.height - 1; if (old_x2 != new_x2 || old_y2 != new_y2) gnome_canvas_set_scroll_region (GNOME_CANVAS (week_view->titles_canvas), 0, 0, new_x2, new_y2); /* Set the scroll region of the main canvas to its allocated width, but with the height depending on the number of rows needed. */ gnome_canvas_get_scroll_region (GNOME_CANVAS (week_view->main_canvas), NULL, NULL, &old_x2, &old_y2); new_x2 = week_view->main_canvas->allocation.width - 1; new_y2 = week_view->main_canvas->allocation.height - 1; if (old_x2 != new_x2 || old_y2 != new_y2) gnome_canvas_set_scroll_region (GNOME_CANVAS (week_view->main_canvas), 0, 0, new_x2, new_y2); /* Flag that we need to reshape the events. */ if (old_x2 != new_x2 || old_y2 != new_y2) { week_view->events_need_reshape = TRUE; e_week_view_check_layout (week_view); } } static void e_week_view_recalc_cell_sizes (EWeekView *week_view) { gfloat width, height, offset; gint row, col; if (week_view->display_month) { week_view->rows = 10; week_view->columns = 6; } else { week_view->rows = 6; week_view->columns = 2; } /* Calculate the column sizes, using floating point so that pixels get divided evenly. Note that we use one more element than the number of columns, to make it easy to get the column widths. We also add one to the width so that the right border of the last column is off the edge of the displayed area. */ width = week_view->main_canvas->allocation.width + 1; width /= week_view->columns; offset = 0; for (col = 0; col <= week_view->columns; col++) { week_view->col_offsets[col] = floor (offset + 0.5); offset += width; } /* Calculate the cell widths based on the offsets. */ for (col = 0; col < week_view->columns; col++) { week_view->col_widths[col] = week_view->col_offsets[col + 1] - week_view->col_offsets[col]; } /* Now do the same for the row heights. */ height = week_view->main_canvas->allocation.height + 1; height /= week_view->rows; offset = 0; for (row = 0; row <= week_view->rows; row++) { week_view->row_offsets[row] = floor (offset + 0.5); offset += height; } /* Calculate the cell heights based on the offsets. */ for (row = 0; row < week_view->rows; row++) { week_view->row_heights[row] = week_view->row_offsets[row + 1] - week_view->row_offsets[row]; } } static gint e_week_view_focus_in (GtkWidget *widget, GdkEventFocus *event) { EWeekView *week_view; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (E_IS_WEEK_VIEW (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); g_print ("In e_week_view_focus_in\n"); week_view = E_WEEK_VIEW (widget); GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_queue_draw (week_view->main_canvas); return FALSE; } static gint e_week_view_focus_out (GtkWidget *widget, GdkEventFocus *event) { EWeekView *week_view; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (E_IS_WEEK_VIEW (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); g_print ("In e_week_view_focus_out\n"); week_view = E_WEEK_VIEW (widget); GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_queue_draw (week_view->main_canvas); return FALSE; } /* This draws a shadow around the top display and main display. */ static gint e_week_view_expose_event (GtkWidget *widget, GdkEventExpose *event) { EWeekView *week_view; week_view = E_WEEK_VIEW (widget); e_week_view_draw_shadow (week_view); if (GTK_WIDGET_CLASS (parent_class)->expose_event) (*GTK_WIDGET_CLASS (parent_class)->expose_event)(widget, event); return FALSE; } static void e_week_view_draw (GtkWidget *widget, GdkRectangle *area) { EWeekView *week_view; week_view = E_WEEK_VIEW (widget); e_week_view_draw_shadow (week_view); if (GTK_WIDGET_CLASS (parent_class)->draw) (*GTK_WIDGET_CLASS (parent_class)->draw)(widget, area); } static void e_week_view_draw_shadow (EWeekView *week_view) { gint x1, y1, x2, y2; GtkStyle *style; GdkGC *light_gc, *dark_gc; GdkWindow *window; /* Draw the shadow around the graphical displays. */ x1 = week_view->main_canvas->allocation.x - 1; y1 = week_view->main_canvas->allocation.y - 1; x2 = x1 + week_view->main_canvas->allocation.width + 2; y2 = y1 + week_view->main_canvas->allocation.height + 2; style = GTK_WIDGET (week_view)->style; dark_gc = style->dark_gc[GTK_STATE_NORMAL]; light_gc = style->light_gc[GTK_STATE_NORMAL]; window = GTK_WIDGET (week_view)->window; gdk_draw_line (window, dark_gc, x1, y1, x1, y2); gdk_draw_line (window, dark_gc, x1, y1, x2, y1); gdk_draw_line (window, light_gc, x2, y1, x2, y2); gdk_draw_line (window, light_gc, x1, y2, x2, y2); } void e_week_view_set_calendar (EWeekView *week_view, GnomeCalendar *calendar) { g_return_if_fail (E_IS_WEEK_VIEW (week_view)); week_view->calendar = calendar; /* FIXME: free current events? */ } /* This sets the selected time range. The EWeekView will show the corresponding month and the days between start_time and end_time will be selected. To select a single day, use the same value for start_time & end_time. */ void e_week_view_set_selected_time_range (EWeekView *week_view, time_t start_time, time_t end_time) { GDate date, base_date, end_date; gint day_offset, num_days; gboolean update_adjustment_value = FALSE; g_return_if_fail (E_IS_WEEK_VIEW (week_view)); g_date_clear (&date, 1); g_date_set_time (&date, start_time); if (week_view->display_month) { /* Find the number of days since the start of the month. */ day_offset = g_date_day (&date) - 1; /* Find the 1st Monday at or before the start of the month. */ base_date = date; g_date_set_day (&base_date, 1); day_offset += g_date_weekday (&base_date) - 1; } else { /* Find the 1st Monday at or before the given day. */ day_offset = g_date_weekday (&date) - 1; } /* Calculate the base date, i.e. the first day shown when the scrollbar adjustment value is 0. */ base_date = date; g_date_subtract_days (&base_date, day_offset); /* See if we need to update the base date. */ if (!g_date_valid (&week_view->base_date) || g_date_compare (&week_view->base_date, &base_date)) { week_view->base_date = base_date; update_adjustment_value = TRUE; } /* See if we need to update the first day shown. */ if (!g_date_valid (&week_view->first_day_shown) || g_date_compare (&week_view->first_day_shown, &base_date)) { week_view->first_day_shown = base_date; start_time = time_add_day (start_time, -day_offset); start_time = time_day_begin (start_time); e_week_view_recalc_day_starts (week_view, start_time); e_week_view_reload_events (week_view); } /* Set the selection to the given days. */ week_view->selection_start_day = g_date_julian (&date) - g_date_julian (&base_date); if (end_time == start_time || end_time <= time_add_day (start_time, 1)) week_view->selection_end_day = week_view->selection_start_day; else { g_date_clear (&end_date, 1); g_date_set_time (&end_date, end_time - 60); week_view->selection_end_day = g_date_julian (&end_date) - g_date_julian (&base_date); } /* Make sure the selection is valid. */ num_days = week_view->display_month ? E_WEEK_VIEW_MAX_WEEKS * 7 : 7; num_days--; week_view->selection_start_day = CLAMP (week_view->selection_start_day, 0, num_days); week_view->selection_end_day = CLAMP (week_view->selection_end_day, week_view->selection_start_day, num_days); /* Reset the adjustment value to 0 if the base address has changed. Note that we do this after updating first_day_shown so that our signal handler will not try to reload the events. */ if (update_adjustment_value) gtk_adjustment_set_value (GTK_RANGE (week_view->vscrollbar)->adjustment, 0); gtk_widget_queue_draw (week_view->main_canvas); } /* Returns the selected time range. */ void e_week_view_get_selected_time_range (EWeekView *week_view, time_t *start_time, time_t *end_time) { gint start_day, end_day; start_day = week_view->selection_start_day; end_day = week_view->selection_end_day; if (start_day == -1) { start_day = 0; end_day = 0; } *start_time = week_view->day_starts[start_day]; *end_time = week_view->day_starts[end_day + 1]; } /* Recalculates the time_t corresponding to the start of each day. */ static void e_week_view_recalc_day_starts (EWeekView *week_view, time_t lower) { gint num_days, day; time_t tmp_time; num_days = week_view->display_month ? E_WEEK_VIEW_MAX_WEEKS * 7 : 7; tmp_time = lower; week_view->day_starts[0] = tmp_time; for (day = 1; day <= num_days; day++) { /* FIXME: There is a bug in time_add_day(). */ #if 0 g_print ("Day:%i - %s\n", day, ctime (&tmp_time)); #endif tmp_time = time_add_day (tmp_time, 1); week_view->day_starts[day] = tmp_time; } } gboolean e_week_view_get_display_month (EWeekView *week_view) { g_return_val_if_fail (E_IS_WEEK_VIEW (week_view), FALSE); return week_view->display_month; } void e_week_view_set_display_month (EWeekView *week_view, gboolean display_month) { GtkAdjustment *adjustment; gint page_increment, page_size; g_return_if_fail (E_IS_WEEK_VIEW (week_view)); if (week_view->display_month == display_month) return; week_view->display_month = display_month; if (display_month) { gtk_widget_show (week_view->titles_canvas); page_increment = 4; page_size = 5; } else { gtk_widget_hide (week_view->titles_canvas); page_increment = page_size = 1; } adjustment = GTK_RANGE (week_view->vscrollbar)->adjustment; adjustment->page_increment = page_increment; adjustment->page_size = page_size; gtk_adjustment_changed (adjustment); /* FIXME: Need to change start date and adjustment value? */ e_week_view_recalc_day_starts (week_view, week_view->day_starts[0]); e_week_view_recalc_cell_sizes (week_view); e_week_view_reload_events (week_view); } gboolean e_week_view_get_compress_weekend (EWeekView *week_view) { g_return_val_if_fail (E_IS_WEEK_VIEW (week_view), FALSE); return week_view->compress_weekend; } void e_week_view_set_compress_weekend (EWeekView *week_view, gboolean compress) { g_return_if_fail (E_IS_WEEK_VIEW (week_view)); if (week_view->compress_weekend == compress) return; week_view->compress_weekend = compress; /* The option only affects the month view. */ if (!week_view->display_month) return; /* FIXME: Need to update layout. */ } /* This reloads all calendar events. */ void e_week_view_update_all_events (EWeekView *week_view) { e_week_view_reload_events (week_view); } /* This is called when one event has been added or updated. */ void e_week_view_update_event (EWeekView *week_view, const gchar *uid) { EWeekViewEvent *event; gint event_num, num_days; gchar *obj_string; iCalObject *ico; CalObjFindStatus status; g_return_if_fail (E_IS_WEEK_VIEW (week_view)); #if 0 g_print ("In e_week_view_update_event\n"); #endif /* If we don't have a calendar or valid date set yet, just return. */ if (!week_view->calendar || !g_date_valid (&week_view->first_day_shown)) return; /* Get the event from the server. */ obj_string = cal_client_get_object (week_view->calendar->client, uid); status = ical_object_find_in_string (uid, obj_string, &ico); switch (status) { case CAL_OBJ_FIND_SUCCESS: /* Fall through. */ break; case CAL_OBJ_FIND_SYNTAX_ERROR: g_warning ("syntax error uid=%s\n", uid); return; case CAL_OBJ_FIND_NOT_FOUND: g_warning ("obj not found uid=%s\n", uid); return; } /* We only care about events. */ if (ico && ico->type != ICAL_EVENT) return; /* If the event already exists and the dates didn't change, we can update the event fairly easily without changing the events arrays or computing a new layout. */ if (e_week_view_find_event_from_uid (week_view, uid, &event_num)) { event = &g_array_index (week_view->events, EWeekViewEvent, event_num); if (ical_object_compare_dates (event->ico, ico)) { e_week_view_foreach_event_with_uid (week_view, uid, e_week_view_update_event_cb, ico); gtk_widget_queue_draw (week_view->main_canvas); return; } /* The dates have changed, so we need to remove the old occurrrences before adding the new ones. */ e_week_view_foreach_event_with_uid (week_view, uid, e_week_view_remove_event_cb, NULL); } /* Add the occurrences of the event. */ num_days = week_view->display_month ? E_WEEK_VIEW_MAX_WEEKS * 7 : 7; ical_object_generate_events (ico, week_view->day_starts[0], week_view->day_starts[num_days], e_week_view_add_event, week_view); e_week_view_check_layout (week_view); gtk_widget_queue_draw (week_view->main_canvas); } static gboolean e_week_view_update_event_cb (EWeekView *week_view, gint event_num, gpointer data) { EWeekViewEvent *event; EWeekViewEventSpan *span; gint span_num; gchar *text; iCalObject *ico; ico = data; event = &g_array_index (week_view->events, EWeekViewEvent, event_num); /* FIXME: When do ico's get freed? */ event->ico = ico; /* If we are editing an event which we have just created, we will get an update_event callback from the server. But we need to ignore it or we will lose the text the user has already typed in. */ if (week_view->editing_new_event && week_view->editing_event_num == event_num) { return TRUE; } for (span_num = 0; span_num < event->num_spans; span_num++) { span = &g_array_index (week_view->spans, EWeekViewEventSpan, event->spans_index + span_num); if (span->text_item) { text = event->ico->summary; gnome_canvas_item_set (span->text_item, "text", text ? text : "", NULL); e_week_view_reshape_event_span (week_view, event_num, span_num); } } return TRUE; } /* This calls a given function for each event instance that matches the given uid. Note that it is safe for the callback to remove the event (since we step backwards through the arrays). */ static void e_week_view_foreach_event_with_uid (EWeekView *week_view, const gchar *uid, EWeekViewForeachEventCallback callback, gpointer data) { EWeekViewEvent *event; gint event_num; for (event_num = week_view->events->len - 1; event_num >= 0; event_num--) { event = &g_array_index (week_view->events, EWeekViewEvent, event_num); if (event->ico && event->ico->uid && !strcmp (uid, event->ico->uid)) { if (!(*callback) (week_view, event_num, data)) return; } } } /* This removes all the events associated with the given uid. Note that for recurring events there may be more than one. If any events are found and removed we need to layout the events again. */ void e_week_view_remove_event (EWeekView *week_view, const gchar *uid) { g_return_if_fail (E_IS_WEEK_VIEW (week_view)); e_week_view_foreach_event_with_uid (week_view, uid, e_week_view_remove_event_cb, NULL); e_week_view_check_layout (week_view); gtk_widget_queue_draw (week_view->main_canvas); } static gboolean e_week_view_remove_event_cb (EWeekView *week_view, gint event_num, gpointer data) { EWeekViewEvent *event; EWeekViewEventSpan *span; gint span_num; event = &g_array_index (week_view->events, EWeekViewEvent, event_num); /* We set the event's uid to NULL so we don't try to update it in on_editing_stopped(). */ g_free (event->ico->uid); event->ico->uid = NULL; /* We leave the span elements in the array, but set the canvas item pointers to NULL. */ for (span_num = 0; span_num < event->num_spans; span_num++) { span = &g_array_index (week_view->spans, EWeekViewEventSpan, event->spans_index + span_num); if (span->text_item) { gtk_object_destroy (GTK_OBJECT (span->text_item)); span->text_item = NULL; } if (span->background_item) { gtk_object_destroy (GTK_OBJECT (span->background_item)); span->background_item = NULL; } } g_array_remove_index (week_view->events, event_num); week_view->events_need_layout = TRUE; return TRUE; } void


context:
space:
mode: