/* * Evolution calendar - Week day picker widget * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) version 3. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with the program; if not, see * * * Authors: * Federico Mena-Quintero * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include "weekday-picker.h" #define PADDING 2 /* Private part of the WeekdayPicker structure */ struct _WeekdayPickerPrivate { /* Selected days; see weekday_picker_set_days() */ guint8 day_mask; /* Blocked days; these cannot be modified */ guint8 blocked_day_mask; /* Day that defines the start of the week; 0 = Sunday, ..., 6 = Saturday */ int week_start_day; /* Current keyboard focus day */ int focus_day; /* Metrics */ int font_ascent, font_descent; int max_letter_width; /* Components */ GnomeCanvasItem *boxes[7]; GnomeCanvasItem *labels[7]; }; /* Signal IDs */ enum { CHANGED, LAST_SIGNAL }; static void weekday_picker_class_init (WeekdayPickerClass *class); static void weekday_picker_init (WeekdayPicker *wp); static void weekday_picker_destroy (GtkObject *object); static void weekday_picker_realize (GtkWidget *widget); static void weekday_picker_size_request (GtkWidget *widget, GtkRequisition *requisition); static void weekday_picker_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void weekday_picker_style_set (GtkWidget *widget, GtkStyle *previous_style); static gboolean weekday_picker_focus (GtkWidget *widget, GtkDirectionType direction); static void colorize_items (WeekdayPicker *wp); static guint wp_signals[LAST_SIGNAL]; G_DEFINE_TYPE (WeekdayPicker, weekday_picker, GNOME_TYPE_CANVAS) /* Class initialization function for the weekday picker */ static void weekday_picker_class_init (WeekdayPickerClass *class) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; object_class = (GtkObjectClass *) class; widget_class = (GtkWidgetClass *) class; wp_signals[CHANGED] = g_signal_new ("changed", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (WeekdayPickerClass, changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); object_class->destroy = weekday_picker_destroy; widget_class->realize = weekday_picker_realize; widget_class->size_request = weekday_picker_size_request; widget_class->size_allocate = weekday_picker_size_allocate; widget_class->style_set = weekday_picker_style_set; widget_class->focus = weekday_picker_focus; class->changed = NULL; } static void day_clicked (WeekdayPicker *wp, int index) { WeekdayPickerPrivate *priv = wp->priv; guint8 day_mask; if (priv->blocked_day_mask & (0x1 << index)) return; if (priv->day_mask & (0x1 << index)) day_mask = priv->day_mask & ~(0x1 << index); else day_mask = priv->day_mask | (0x1 << index); weekday_picker_set_days (wp, day_mask); } static gint handle_key_press_event (WeekdayPicker *wp, GdkEvent *event) { WeekdayPickerPrivate *priv = wp->priv; guint keyval = event->key.keyval; if (priv->focus_day == -1) priv->focus_day = priv->week_start_day; switch (keyval) { case GDK_Up: case GDK_Right: priv->focus_day += 1; break; case GDK_Down: case GDK_Left: priv->focus_day -= 1; break; case GDK_space: case GDK_Return: day_clicked (wp, priv->focus_day); return TRUE; default: return FALSE; } if (priv->focus_day > 6) priv->focus_day = 0; if (priv->focus_day < 0) priv->focus_day = 6; colorize_items (wp); gnome_canvas_item_grab_focus (priv->boxes[priv->focus_day]); return TRUE; } /* Event handler for the day items */ static gint day_event_cb (GnomeCanvasItem *item, GdkEvent *event, gpointer data) { WeekdayPicker *wp; WeekdayPickerPrivate *priv; int i; wp = WEEKDAY_PICKER (data); priv = wp->priv; if (event->type == GDK_KEY_PRESS) return handle_key_press_event(wp, event); if (!(event->type == GDK_BUTTON_PRESS && event->button.button == 1)) return FALSE; /* Find which box was clicked */ for (i = 0; i < 7; i++) if (priv->boxes[i] == item || priv->labels[i] == item) break; g_return_val_if_fail (i != 7, TRUE); i += priv->week_start_day; if (i >= 7) i -= 7; priv->focus_day = i; gnome_canvas_item_grab_focus (priv->boxes[i]); day_clicked (wp, i); return TRUE; } /* Creates the canvas items for the weekday picker. The items are empty until * they are configured elsewhere. */ static void create_items (WeekdayPicker *wp) { WeekdayPickerPrivate *priv; GnomeCanvasGroup *parent; int i; priv = wp->priv; parent = gnome_canvas_root (GNOME_CANVAS (wp)); for (i = 0; i < 7; i++) { priv->boxes[i] = gnome_canvas_item_new (parent, GNOME_TYPE_CANVAS_RECT, NULL); g_signal_connect (priv->boxes[i], "event", G_CALLBACK (day_event_cb), wp); priv->labels[i] = gnome_canvas_item_new (parent, GNOME_TYPE_CANVAS_TEXT, NULL); g_signal_connect (priv->labels[i], "event", G_CALLBACK (day_event_cb), wp); } } /* Object initialization function for the weekday picker */ static void weekday_picker_init (WeekdayPicker *wp) { WeekdayPickerPrivate *priv; priv = g_new0 (WeekdayPickerPrivate, 1); wp->priv = priv; create_items (wp); priv->focus_day = -1; } /* Finalize handler for the weekday picker */ static void weekday_picker_destroy (GtkObject *object) { WeekdayPicker *wp; WeekdayPickerPrivate *priv; g_return_if_fail (object != NULL); g_return_if_fail (IS_WEEKDAY_PICKER (object)); wp = WEEKDAY_PICKER (object); priv = wp->priv; g_free (priv); wp->priv = NULL; if (GTK_OBJECT_CLASS (weekday_picker_parent_class)->destroy) (* GTK_OBJECT_CLASS (weekday_picker_parent_class)->destroy) (object); } static void colorize_items (WeekdayPicker *wp) { WeekdayPickerPrivate *priv; GdkColor *outline, *focus_outline; GdkColor *fill, *sel_fill; GdkColor *text_fill, *sel_text_fill; int i; priv = wp->priv; outline = >K_WIDGET (wp)->style->fg[GTK_WIDGET_STATE (wp)]; focus_outline = >K_WIDGET (wp)->style->bg[GTK_WIDGET_STATE (wp)]; fill = >K_WIDGET (wp)->style->base[GTK_WIDGET_STATE (wp)]; text_fill = >K_WIDGET (wp)->style->fg[GTK_WIDGET_STATE (wp)]; sel_fill = >K_WIDGET (wp)->style->bg[GTK_STATE_SELECTED]; sel_text_fill = >K_WIDGET (wp)->style->fg[GTK_STATE_SELECTED]; for (i = 0; i < 7; i++) { int day; GdkColor *f, *t, *o; day = i + priv->week_start_day; if (day >= 7) day -= 7; if (priv->day_mask & (0x1 << day)) { f = sel_fill; t = sel_text_fill; } else { f = fill; t = text_fill; } if (day == priv->focus_day) o = focus_outline; else o = outline; gnome_canvas_item_set (priv->boxes[i], "fill_color_gdk", f, "outline_color_gdk", o, NULL); gnome_canvas_item_set (priv->labels[i], "fill_color_gdk", t, NULL); } } /* Configures the items in the weekday picker by setting their attributes. */ static char * get_day_text (int day_index) { GDateWeekday weekday; /* Convert from tm_wday to GDateWeekday. */ weekday = (day_index == 0) ? G_DATE_SUNDAY : day_index; return g_strdup (e_get_weekday_name (weekday, TRUE)); } static void configure_items (WeekdayPicker *wp) { WeekdayPickerPrivate *priv; int width, height; int box_width; int i; priv = wp->priv; width = GTK_WIDGET (wp)->allocation.width; height = GTK_WIDGET (wp)->allocation.height; box_width = (width - 1) / 7; for (i = 0; i < 7; i++) { char *c; int day; day = i + priv->week_start_day; if (day >= 7) day -= 7; gnome_canvas_item_set (priv->boxes[i], "x1", (double) (i * box_width), "y1", (double) 0, "x2", (double) ((i + 1) * box_width), "y2", (double) (height - 1), "width_pixels", 0, NULL); c = get_day_text (day); gnome_canvas_item_set (priv->labels[i], "text", c, #if 0 "font_gdk", gtk_style_get_font (gtk_widget_get_style (GTK_WIDGET (wp))), #endif "x", (double) (i * box_width) + box_width / 2.0, "y", (double) (1 + PADDING), "anchor", GTK_ANCHOR_N, NULL); g_free (c); } colorize_items (wp); } /* Realize handler for the weekday picker */ static void weekday_picker_realize (GtkWidget *widget) { WeekdayPicker *wp; wp = WEEKDAY_PICKER (widget); if (GTK_WIDGET_CLASS (weekday_picker_parent_class)->realize) (* GTK_WIDGET_CLASS (weekday_picker_parent_class)->realize) (widget); configure_items (wp); } /* Size_request handler for the weekday picker */ static void weekday_picker_size_request (GtkWidget *widget, GtkRequisition *requisition) { WeekdayPicker *wp; WeekdayPickerPrivate *priv; wp = WEEKDAY_PICKER (widget); priv = wp->priv; requisition->width = (priv->max_letter_width + 2 * PADDING + 1) * 7 + 1; requisition->height = (priv->font_ascent + priv->font_descent + 2 * PADDING + 2); } /* Size_allocate handler for the weekday picker */ static void weekday_picker_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { WeekdayPicker *wp; wp = WEEKDAY_PICKER (widget); if (GTK_WIDGET_CLASS (weekday_picker_parent_class)->size_allocate) (* GTK_WIDGET_CLASS (weekday_picker_parent_class)->size_allocate) (widget, allocation); gnome_canvas_set_scroll_region (GNOME_CANVAS (wp), 0, 0, allocation->width, allocation->height); configure_items (wp); } /* Style_set handler for the weekday picker */ static void weekday_picker_style_set (GtkWidget *widget, GtkStyle *previous_style) { WeekdayPicker *wp; WeekdayPickerPrivate *priv; int max_width; int i; PangoFontDescription *font_desc; PangoContext *pango_context; PangoFontMetrics *font_metrics; PangoLayout *layout; wp = WEEKDAY_PICKER (widget); priv = wp->priv; /* Set up Pango prerequisites */ font_desc = gtk_widget_get_style (widget)->font_desc; pango_context = gtk_widget_get_pango_context (widget); font_metrics = pango_context_get_metrics (pango_context, font_desc, pango_context_get_language (pango_context)); layout = pango_layout_new (pango_context); priv->font_ascent = PANGO_PIXELS (pango_font_metrics_get_ascent (font_metrics)); priv->font_descent = PANGO_PIXELS (pango_font_metrics_get_descent (font_metrics)); max_width = 0; for (i = 0; i < 7; i++) { char *c; int w; c = get_day_text (i); pango_layout_set_text (layout, c, strlen (c)); pango_layout_get_pixel_size (layout, &w, NULL); g_free (c); if (w > max_width) max_width = w; } priv->max_letter_width = max_width; configure_items (wp); g_object_unref (layout); pango_font_metrics_unref (font_metrics); if (GTK_WIDGET_CLASS (weekday_picker_parent_class)->style_set) (* GTK_WIDGET_CLASS (weekday_picker_parent_class)->style_set) (widget, previous_style); } /** * weekday_picker_new: * @void: * * Creates a new weekday picker widget. * * Return value: A newly-created weekday picker. **/ GtkWidget * weekday_picker_new (void) { return g_object_new (TYPE_WEEKDAY_PICKER, NULL); } /** * weekday_picker_set_days: * @wp: A weekday picker. * @day_mask: Bitmask with the days to be selected. * * Sets the days that are selected in a weekday picker. In the @day_mask, * Sunday is bit 0, Monday is bit 1, etc. **/ void weekday_picker_set_days (WeekdayPicker *wp, guint8 day_mask) { WeekdayPickerPrivate *priv; g_return_if_fail (wp != NULL); g_return_if_fail (IS_WEEKDAY_PICKER (wp)); priv = wp->priv; priv->day_mask = day_mask; colorize_items (wp); g_signal_emit (GTK_OBJECT (wp), wp_signals[CHANGED], 0); } /** * weekday_picker_get_days: * @wp: A weekday picker. * * Queries the days that are selected in a weekday picker. * * Return value: Bit mask of selected days. Sunday is bit 0, Monday is bit 1, * etc. **/ guint8 weekday_picker_get_days (WeekdayPicker *wp) { WeekdayPickerPrivate *priv; g_return_val_if_fail (wp != NULL, 0); g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), 0); priv = wp->priv; return priv->day_mask; } /** * weekday_picker_set_blocked_days: * @wp: A weekday picker. * @blocked_day_mask: Bitmask with the days to be blocked. * * Sets the days that the weekday picker will prevent from being modified by the * user. The @blocked_day_mask is specified in the same way as in * weekday_picker_set_days(). **/ void weekday_picker_set_blocked_days (WeekdayPicker *wp, guint8 blocked_day_mask) { WeekdayPickerPrivate *priv; g_return_if_fail (wp != NULL); g_return_if_fail (IS_WEEKDAY_PICKER (wp)); priv = wp->priv; priv->blocked_day_mask = blocked_day_mask; } /** * weekday_picker_get_blocked_days: * @wp: A weekday picker. * * Queries the set of days that the weekday picker prevents from being modified * by the user. * * Return value: Bit mask of blocked days, with the same format as that returned * by weekday_picker_get_days(). **/ guint weekday_picker_get_blocked_days (WeekdayPicker *wp) { WeekdayPickerPrivate *priv; g_return_val_if_fail (wp != NULL, 0); g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), 0); priv = wp->priv; return priv->blocked_day_mask; } /** * weekday_picker_set_week_start_day: * @wp: A weekday picker. * @week_start_day: Index of the day that defines the start of the week; 0 is * Sunday, 1 is Monday, etc. * * Sets the day that defines the start of the week for a weekday picker. **/ void weekday_picker_set_week_start_day (WeekdayPicker *wp, int week_start_day) { WeekdayPickerPrivate *priv; g_return_if_fail (wp != NULL); g_return_if_fail (IS_WEEKDAY_PICKER (wp)); g_return_if_fail (week_start_day >= 0 && week_start_day < 7); priv = wp->priv; priv->week_start_day = week_start_day; configure_items (wp); } /** * weekday_picker_get_week_start_day: * @wp: A weekday picker. * * Queries the day that defines the start of the week in a weekday picker. * * Return value: Index of the day that defines the start of the week. See * weekday_picker_set_week_start_day() to see how this is represented. **/ int weekday_picker_get_week_start_day (WeekdayPicker *wp) { WeekdayPickerPrivate *priv; g_return_val_if_fail (wp != NULL, -1); g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), -1); priv = wp->priv; return priv->week_start_day; } /* focus handler for weekday picker */ static gboolean weekday_picker_focus (GtkWidget *widget, GtkDirectionType direction) { WeekdayPicker *wp; WeekdayPickerPrivate *priv; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (IS_WEEKDAY_PICKER (widget), FALSE); wp = WEEKDAY_PICKER (widget); priv = wp->priv; if (!GTK_WIDGET_CAN_FOCUS (widget)) return FALSE; if (GTK_WIDGET_HAS_FOCUS (widget)) { priv->focus_day = -1; colorize_items (wp); return FALSE; } priv->focus_day = priv->week_start_day; gnome_canvas_item_grab_focus (priv->boxes[priv->focus_day]); colorize_items (wp); return TRUE; } > * Chase the xscreensaver-gnome-hacks update.marcus2008-07-071-1/+1 * Bump portrevision due to upgrade of devel/gettext.edwin2008-06-061-1/+1 * - Remove unneeded dependency from gtk12/gtk20 [1]miwi2008-04-201-1/+1 * Update to 2.22.2.marcus2008-04-082-4/+4 * Update to 2.22.1ahze2008-04-033-5/+7 * The FreeBSD GNOME team is proud to annunce the release of GNOME 2.22.0 formarcus2008-03-243-11/+24 * Presenting GNOME 2.20.1 and all related works for FreeBSD. The officialmarcus2007-10-253-28/+39 * Update to 2.18.2.mezz2007-05-293-5/+7 * - Welcome X.org 7.2 \o/.flz2007-05-202-30/+1 * Use ${CAT} instead of ${CP} to copy the plist to ${WRKDIR}. This getsmarcus2007-05-031-1/+1 * Update to 2.18.1.marcus2007-04-112-4/+4 * Presenting GNOME 2.18 for FreeBSD. GNOME 2.18 is a departure from recent GNOMEmarcus2007-03-194-223/+8