diff options
Diffstat (limited to 'calendar/gui/e-day-view-time-item.c')
| -rw-r--r-- | calendar/gui/e-day-view-time-item.c | 671 |
1 files changed, 0 insertions, 671 deletions
diff --git a/calendar/gui/e-day-view-time-item.c b/calendar/gui/e-day-view-time-item.c deleted file mode 100644 index 544d9383cf..0000000000 --- a/calendar/gui/e-day-view-time-item.c +++ /dev/null @@ -1,671 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ - -/* - * Author : - * Damon Chaplin <damon@ximian.com> - * - * Copyright 1999, Ximian, Inc. - * Copyright 1999, Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -/* - * EDayViewTimeItem - canvas item which displays the times down the left of - * the EDayView. - */ - -#include <config.h> -#include <string.h> -#include <glib.h> -#include <gtk/gtksignal.h> -#include <gtk/gtkradiomenuitem.h> -#include <gtk/gtkcheckmenuitem.h> -#include <libgnome/gnome-i18n.h> -#include <gal/widgets/e-gui-utils.h> -#include "e-day-view-time-item.h" -#include "calendar-config.h" - - -/* The spacing between items in the time column. GRID_X_PAD is the space down - either side of the column, i.e. outside the main horizontal grid lines. - HOUR_L_PAD & HOUR_R_PAD are the spaces on the left & right side of the - big hour number (this is inside the horizontal grid lines). - MIN_X_PAD is the spacing either side of the minute number. The smaller - horizontal grid lines match with this. - 60_MIN_X_PAD is the space either side of the HH:MM display used when - we are displaying 60 mins per row (inside the main grid lines). - LARGE_HOUR_Y_PAD is the offset of the large hour string from the top of the - row. - SMALL_FONT_Y_PAD is the offset of the small time/minute string from the top - of the row. */ -#define E_DVTMI_TIME_GRID_X_PAD 4 -#define E_DVTMI_HOUR_L_PAD 4 -#define E_DVTMI_HOUR_R_PAD 2 -#define E_DVTMI_MIN_X_PAD 2 -#define E_DVTMI_60_MIN_X_PAD 4 -#define E_DVTMI_LARGE_HOUR_Y_PAD 1 -#define E_DVTMI_SMALL_FONT_Y_PAD 1 - -static void e_day_view_time_item_class_init (EDayViewTimeItemClass *class); -static void e_day_view_time_item_init (EDayViewTimeItem *dvtmitem); -static void e_day_view_time_item_set_arg (GtkObject *o, - GtkArg *arg, - guint arg_id); - -static void e_day_view_time_item_update (GnomeCanvasItem *item, - double *affine, - ArtSVP *clip_path, int flags); -static void e_day_view_time_item_draw (GnomeCanvasItem *item, - GdkDrawable *drawable, - int x, int y, - int width, int height); -static double e_day_view_time_item_point (GnomeCanvasItem *item, - double x, double y, - int cx, int cy, - GnomeCanvasItem **actual_item); -static gint e_day_view_time_item_event (GnomeCanvasItem *item, - GdkEvent *event); -static void e_day_view_time_item_increment_time (gint *hour, - gint *minute, - gint mins_per_row); -static void e_day_view_time_item_show_popup_menu (EDayViewTimeItem *dvtmitem, - GdkEvent *event); -static void e_day_view_time_item_on_set_divisions (GtkWidget *item, - EDayViewTimeItem *dvtmitem); -static void e_day_view_time_item_on_button_press (EDayViewTimeItem *dvtmitem, - GdkEvent *event); -static void e_day_view_time_item_on_button_release (EDayViewTimeItem *dvtmitem, - GdkEvent *event); -static void e_day_view_time_item_on_motion_notify (EDayViewTimeItem *dvtmitem, - GdkEvent *event); -static gint e_day_view_time_item_convert_position_to_row (EDayViewTimeItem *dvtmitem, - gint y); - - -static GnomeCanvasItemClass *parent_class; - - -/* The arguments we take */ -enum { - ARG_0, - ARG_DAY_VIEW -}; - -E_MAKE_TYPE (e_day_view_time_item, "EDayViewTimeItem", EDayViewTimeItem, - e_day_view_time_item_class_init, e_day_view_time_item_init, GNOME_TYPE_CANVAS_ITEM); - -static void -e_day_view_time_item_class_init (EDayViewTimeItemClass *class) -{ - GtkObjectClass *object_class; - GnomeCanvasItemClass *item_class; - - parent_class = g_type_class_peek_parent (class); - - object_class = (GtkObjectClass *) class; - item_class = (GnomeCanvasItemClass *) class; - - gtk_object_add_arg_type ("EDayViewTimeItem::day_view", - GTK_TYPE_POINTER, GTK_ARG_WRITABLE, - ARG_DAY_VIEW); - - object_class->set_arg = e_day_view_time_item_set_arg; - - /* GnomeCanvasItem method overrides */ - item_class->update = e_day_view_time_item_update; - item_class->draw = e_day_view_time_item_draw; - item_class->point = e_day_view_time_item_point; - item_class->event = e_day_view_time_item_event; -} - - -static void -e_day_view_time_item_init (EDayViewTimeItem *dvtmitem) -{ - dvtmitem->dragging_selection = FALSE; -} - - -static void -e_day_view_time_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - GnomeCanvasItem *item; - EDayViewTimeItem *dvtmitem; - - item = GNOME_CANVAS_ITEM (o); - dvtmitem = E_DAY_VIEW_TIME_ITEM (o); - - switch (arg_id){ - case ARG_DAY_VIEW: - dvtmitem->day_view = GTK_VALUE_POINTER (*arg); - break; - } -} - - -static void -e_day_view_time_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; -} - - -/* Returns the minimum width needed for the column, by adding up all the - maximum widths of the strings. The string widths are all calculated in - the style_set handlers of EDayView and EDayViewTimeCanvas. */ -gint -e_day_view_time_item_get_column_width (EDayViewTimeItem *dvtmitem) -{ - EDayView *day_view; - GtkStyle *style; - gint digit, large_digit_width, max_large_digit_width = 0; - gint max_suffix_width, max_minute_or_suffix_width; - gint column_width_default, column_width_60_min_rows; - PangoContext *context; - - day_view = dvtmitem->day_view; - g_return_val_if_fail (day_view != NULL, 0); - - style = gtk_widget_get_style (GTK_WIDGET (day_view)); - g_return_val_if_fail (style != NULL, 0); - - context = gtk_widget_get_pango_context (GTK_WIDGET (day_view)); - - /* Find the maximum width a digit can have. FIXME: We could use pango's - * approximation function, but I worry it won't be precise enough. Also - * it needs a language tag that I don't know where to get. */ - for (digit = '0'; digit <= '9'; digit++) { - PangoLayout *layout; - gchar digit_str [2]; - - digit_str [0] = digit; - digit_str [1] = '\0'; - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (day_view), digit_str); - pango_layout_set_font_description (layout, day_view->large_font_desc); - pango_layout_get_pixel_size (layout, &large_digit_width, NULL); - g_object_unref (layout); - - max_large_digit_width = MAX (max_large_digit_width, - large_digit_width); - } - - /* Calculate the width of each time column, using the maximum of the - default format with large hour numbers, and the 60-min divisions - format which uses small text. */ - max_suffix_width = MAX (day_view->am_string_width, - day_view->pm_string_width); - - max_minute_or_suffix_width = MAX (max_suffix_width, - day_view->max_minute_width); - - column_width_default = max_large_digit_width * 2 - + max_minute_or_suffix_width - + E_DVTMI_MIN_X_PAD * 2 - + E_DVTMI_HOUR_L_PAD - + E_DVTMI_HOUR_R_PAD - + E_DVTMI_TIME_GRID_X_PAD * 2; - - column_width_60_min_rows = day_view->max_small_hour_width - + day_view->colon_width - + max_minute_or_suffix_width - + E_DVTMI_60_MIN_X_PAD * 2 - + E_DVTMI_TIME_GRID_X_PAD * 2; - - dvtmitem->column_width = MAX (column_width_default, - column_width_60_min_rows); - - return dvtmitem->column_width; -} - - -/* - * DRAWING ROUTINES - functions to paint the canvas item. - */ - -static void -e_day_view_time_item_draw (GnomeCanvasItem *canvas_item, - GdkDrawable *drawable, - int x, - int y, - int width, - int height) -{ - EDayView *day_view; - EDayViewTimeItem *dvtmitem; - GtkStyle *style; - GdkGC *fg_gc, *dark_gc; - gchar buffer[64], *suffix; - gint hour, display_hour, minute, row; - gint row_y, start_y, large_hour_y_offset, small_font_y_offset; - gint long_line_x1, long_line_x2, short_line_x1; - gint large_hour_x2, minute_x2; - gint hour_width, minute_width, suffix_width; - gint max_suffix_width, max_minute_or_suffix_width; - PangoLayout *layout; - PangoContext *context; - PangoFontDescription *small_font_desc; - PangoFontMetrics *large_font_metrics, *small_font_metrics; - - dvtmitem = E_DAY_VIEW_TIME_ITEM (canvas_item); - day_view = dvtmitem->day_view; - g_return_if_fail (day_view != NULL); - - style = gtk_widget_get_style (GTK_WIDGET (day_view)); - small_font_desc = style->font_desc; - - context = gtk_widget_get_pango_context (GTK_WIDGET (day_view)); - large_font_metrics = pango_context_get_metrics (context, day_view->large_font_desc, - pango_context_get_language (context)); - small_font_metrics = pango_context_get_metrics (context, small_font_desc, - pango_context_get_language (context)); - - fg_gc = style->fg_gc[GTK_STATE_NORMAL]; - dark_gc = style->dark_gc[GTK_STATE_NORMAL]; - - /* The start and end of the long horizontal line between hours. */ - long_line_x1 = E_DVTMI_TIME_GRID_X_PAD - x; - long_line_x2 = dvtmitem->column_width - E_DVTMI_TIME_GRID_X_PAD - x; - - if (day_view->mins_per_row == 60) { - /* The right edge of the complete time string in 60-min - divisions, e.g. "14:00" or "2 pm". */ - minute_x2 = long_line_x2 - E_DVTMI_60_MIN_X_PAD; - - /* These aren't used for 60-minute divisions, but we initialize - them to keep gcc happy. */ - short_line_x1 = 0; - large_hour_x2 = 0; - } else { - max_suffix_width = MAX (day_view->am_string_width, - day_view->pm_string_width); - - max_minute_or_suffix_width = MAX (max_suffix_width, - day_view->max_minute_width); - - /* The start of the short horizontal line between the periods - within each hour. */ - short_line_x1 = long_line_x2 - E_DVTMI_MIN_X_PAD * 2 - - max_minute_or_suffix_width; - - /* The right edge of the large hour string. */ - large_hour_x2 = short_line_x1 - E_DVTMI_HOUR_R_PAD; - - /* The right edge of the minute part of the time. */ - minute_x2 = long_line_x2 - E_DVTMI_MIN_X_PAD; - } - - /* Start with the first hour & minute shown in the EDayView. */ - hour = day_view->first_hour_shown; - minute = day_view->first_minute_shown; - - /* The offset of the large hour string from the top of the row. */ - large_hour_y_offset = E_DVTMI_LARGE_HOUR_Y_PAD; - - /* The offset of the small time/minute string from top of row. */ - small_font_y_offset = E_DVTMI_SMALL_FONT_Y_PAD; - - /* Calculate the minimum y position of the first row we need to draw. - This is normally one row height above the 0 position, but if we - are using the large font we may have to go back a bit further. */ - start_y = 0 - MAX (day_view->row_height, - (pango_font_metrics_get_ascent (large_font_metrics) + - pango_font_metrics_get_descent (large_font_metrics)) / PANGO_SCALE + - E_DVTMI_LARGE_HOUR_Y_PAD); - - /* Step through each row, drawing the times and the horizontal lines - between them. */ - for (row = 0, row_y = 0 - y; - row < day_view->rows && row_y < height; - row++, row_y += day_view->row_height) { - - /* If the row is above the first row we want to draw just - increment the time and skip to the next row. */ - if (row_y < start_y) { - e_day_view_time_item_increment_time (&hour, &minute, - day_view->mins_per_row); - continue; - } - - /* Calculate the actual hour number to display. For 12-hour - format we convert 0-23 to 12-11am/12-11pm. */ - e_day_view_convert_time_to_display (day_view, hour, - &display_hour, - &suffix, &suffix_width); - - if (day_view->mins_per_row == 60) { - /* 60 minute intervals - draw a long horizontal line - between hours and display as one long string, - e.g. "14:00" or "2 pm". */ - gdk_draw_line (drawable, dark_gc, - long_line_x1, row_y, - long_line_x2, row_y); - - if (day_view->use_24_hour_format) { - g_snprintf (buffer, sizeof (buffer), "%i:%02i", - display_hour, minute); - } else { - g_snprintf (buffer, sizeof (buffer), "%i %s", - display_hour, suffix); - } - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (day_view), buffer); - pango_layout_get_pixel_size (layout, &minute_width, NULL); - gdk_draw_layout (drawable, fg_gc, - minute_x2 - minute_width, - row_y + small_font_y_offset, - layout); - g_object_unref (layout); - } else { - /* 5/10/15/30 minute intervals. */ - - if (minute == 0) { - /* On the hour - draw a long horizontal line - before the hour and display the hour in the - large font. */ - gdk_draw_line (drawable, dark_gc, - long_line_x1, row_y, - long_line_x2, row_y); - - g_snprintf (buffer, sizeof (buffer), "%i", - display_hour); - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (day_view), buffer); - pango_layout_set_font_description (layout, day_view->large_font_desc); - pango_layout_get_pixel_size (layout, &hour_width, NULL); - gdk_draw_layout (drawable, fg_gc, - large_hour_x2 - hour_width, - row_y + large_hour_y_offset, - layout); - g_object_unref (layout); - } else { - /* Within the hour - draw a short line before - the time. */ - gdk_draw_line (drawable, dark_gc, - short_line_x1, row_y, - long_line_x2, row_y); - } - - /* Normally we display the minute in each - interval, but when using 30-minute intervals - we don't display the '30'. */ - if (day_view->mins_per_row != 30 || minute != 30) { - /* In 12-hour format we display 'am' or 'pm' - instead of '00'. */ - if (minute == 0 - && !day_view->use_24_hour_format) { - strcpy (buffer, suffix); - } else { - g_snprintf (buffer, sizeof (buffer), - "%02i", minute); - } - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (day_view), buffer); - pango_layout_get_pixel_size (layout, &minute_width, NULL); - gdk_draw_layout (drawable, fg_gc, - minute_x2 - minute_width, - row_y + small_font_y_offset, - layout); - g_object_unref (layout); - } - } - - e_day_view_time_item_increment_time (&hour, &minute, - day_view->mins_per_row); - } - - pango_font_metrics_unref (large_font_metrics); - pango_font_metrics_unref (small_font_metrics); -} - - -/* Increment the time by the 5/10/15/30/60 minute interval. - Note that mins_per_row is never > 60, so we never have to - worry about adding more than 60 minutes. */ -static void -e_day_view_time_item_increment_time (gint *hour, - gint *minute, - gint mins_per_row) -{ - *minute += mins_per_row; - if (*minute >= 60) { - *minute -= 60; - /* Currently we never wrap around to the next day, but - we may do if we display extra timezones. */ - *hour = (*hour + 1) % 24; - } -} - - -static double -e_day_view_time_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_time_item_event (GnomeCanvasItem *item, - GdkEvent *event) -{ - EDayViewTimeItem *dvtmitem; - - dvtmitem = E_DAY_VIEW_TIME_ITEM (item); - - switch (event->type) { - case GDK_BUTTON_PRESS: - if (event->button.button == 1) { - e_day_view_time_item_on_button_press (dvtmitem, event); - } else if (event->button.button == 3) { - e_day_view_time_item_show_popup_menu (dvtmitem, event); - return TRUE; - } - break; - case GDK_BUTTON_RELEASE: - if (event->button.button == 1) - e_day_view_time_item_on_button_release (dvtmitem, - event); - break; - - case GDK_MOTION_NOTIFY: - e_day_view_time_item_on_motion_notify (dvtmitem, event); - break; - - default: - break; - } - - return FALSE; -} - - -static void -e_day_view_time_item_show_popup_menu (EDayViewTimeItem *dvtmitem, - GdkEvent *event) -{ - static gint divisions[] = { 60, 30, 15, 10, 5 }; - EDayView *day_view; - gint num_divisions = sizeof (divisions) / sizeof (divisions[0]); - GtkWidget *menu, *item; - gchar buffer[256]; - GSList *group = NULL; - gint current_divisions, i; - - day_view = dvtmitem->day_view; - g_return_if_fail (day_view != NULL); - - current_divisions = e_day_view_get_mins_per_row (day_view); - - menu = gtk_menu_new (); - - /* Make sure the menu is destroyed when it disappears. */ - e_auto_kill_popup_menu_on_selection_done (GTK_MENU (menu)); - - for (i = 0; i < num_divisions; i++) { - g_snprintf (buffer, sizeof (buffer), - _("%02i minute divisions"), divisions[i]); - item = gtk_radio_menu_item_new_with_label (group, buffer); - group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (item)); - gtk_widget_show (item); - gtk_menu_append (GTK_MENU (menu), item); - - if (current_divisions == divisions[i]) - gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item), TRUE); - - g_object_set_data (G_OBJECT (item), "divisions", - GINT_TO_POINTER (divisions[i])); - - g_signal_connect (item, "toggled", - G_CALLBACK (e_day_view_time_item_on_set_divisions), dvtmitem); - } - - gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, - event->button.button, event->button.time); -} - - -static void -e_day_view_time_item_on_set_divisions (GtkWidget *item, - EDayViewTimeItem *dvtmitem) -{ - EDayView *day_view; - gint divisions; - - day_view = dvtmitem->day_view; - g_return_if_fail (day_view != NULL); - - if (!gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (item))) - return; - - divisions = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item), "divisions")); - e_day_view_set_mins_per_row (day_view, divisions); - calendar_config_set_time_divisions (divisions); -} - - -static void -e_day_view_time_item_on_button_press (EDayViewTimeItem *dvtmitem, - GdkEvent *event) -{ - EDayView *day_view; - GnomeCanvas *canvas; - gint row; - - day_view = dvtmitem->day_view; - g_return_if_fail (day_view != NULL); - - canvas = GNOME_CANVAS_ITEM (dvtmitem)->canvas; - - row = e_day_view_time_item_convert_position_to_row (dvtmitem, - event->button.y); - - if (row == -1) - return; - - if (!GTK_WIDGET_HAS_FOCUS (day_view)) - gtk_widget_grab_focus (GTK_WIDGET (day_view)); - - if (gdk_pointer_grab (GTK_LAYOUT (canvas)->bin_window, FALSE, - GDK_POINTER_MOTION_MASK - | GDK_BUTTON_RELEASE_MASK, - FALSE, NULL, event->button.time) == 0) { - e_day_view_start_selection (day_view, -1, row); - dvtmitem->dragging_selection = TRUE; - } -} - - -static void -e_day_view_time_item_on_button_release (EDayViewTimeItem *dvtmitem, - GdkEvent *event) -{ - EDayView *day_view; - - day_view = dvtmitem->day_view; - g_return_if_fail (day_view != NULL); - - if (dvtmitem->dragging_selection) { - gdk_pointer_ungrab (event->button.time); - e_day_view_finish_selection (day_view); - e_day_view_stop_auto_scroll (day_view); - } - - dvtmitem->dragging_selection = FALSE; -} - - -static void -e_day_view_time_item_on_motion_notify (EDayViewTimeItem *dvtmitem, - GdkEvent *event) -{ - EDayView *day_view; - GnomeCanvas *canvas; - gdouble window_y; - gint y, row; - - if (!dvtmitem->dragging_selection) - return; - - day_view = dvtmitem->day_view; - g_return_if_fail (day_view != NULL); - - canvas = GNOME_CANVAS_ITEM (dvtmitem)->canvas; - - y = event->motion.y; - row = e_day_view_time_item_convert_position_to_row (dvtmitem, y); - - if (row != -1) { - gnome_canvas_world_to_window (canvas, 0, event->motion.y, - NULL, &window_y); - e_day_view_update_selection (day_view, -1, row); - e_day_view_check_auto_scroll (day_view, -1, (gint) window_y); - } -} - - -/* Returns the row corresponding to the y position, or -1. */ -static gint -e_day_view_time_item_convert_position_to_row (EDayViewTimeItem *dvtmitem, - gint y) -{ - EDayView *day_view; - gint row; - - day_view = dvtmitem->day_view; - g_return_val_if_fail (day_view != NULL, -1); - - if (y < 0) - return -1; - - row = y / day_view->row_height; - if (row >= day_view->rows) - return -1; - - return row; -} |