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-rw-r--r--calendar/gui/weekday-picker.c536
-rw-r--r--calendar/gui/weekday-picker.h68
2 files changed, 604 insertions, 0 deletions
diff --git a/calendar/gui/weekday-picker.c b/calendar/gui/weekday-picker.c
new file mode 100644
index 0000000000..1898ebc2b8
--- /dev/null
+++ b/calendar/gui/weekday-picker.c
@@ -0,0 +1,536 @@
+/* Evolution calendar - Week day picker widget
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Author: Federico Mena-Quintero <federico@helixcode.com>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gtk/gtksignal.h>
+#include <libgnomeui/gnome-canvas-rect-ellipse.h>
+#include <libgnomeui/gnome-canvas-text.h>
+#include <libgnome/gnome-i18n.h>
+#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;
+
+ /* Metrics */
+ int font_ascent, font_descent;
+ int max_letter_width;
+
+ /* Components */
+ GnomeCanvasItem *boxes[7];
+ GnomeCanvasItem *labels[7];
+
+ /* Whether the week starts on Monday or Sunday */
+ guint week_starts_on_monday : 1;
+};
+
+
+
+static void weekday_picker_class_init (WeekdayPickerClass *class);
+static void weekday_picker_init (WeekdayPicker *wp);
+static void weekday_picker_finalize (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 GnomeCanvasClass *parent_class;
+
+
+
+/**
+ * weekday_picker_get_type:
+ *
+ * Registers the #WeekdayPicker class if necessary, and returns the type ID
+ * associated to it.
+ *
+ * Return value: The type ID of the #WeekdayPicker class.
+ **/
+GtkType
+weekday_picker_get_type (void)
+{
+ static GtkType weekday_picker_type = 0;
+
+ if (!weekday_picker_type) {
+ static const GtkTypeInfo weekday_picker_info = {
+ "WeekdayPicker",
+ sizeof (WeekdayPicker),
+ sizeof (WeekdayPickerClass),
+ (GtkClassInitFunc) weekday_picker_class_init,
+ (GtkObjectInitFunc) weekday_picker_init,
+ NULL, /* reserved_1 */
+ NULL, /* reserved_2 */
+ (GtkClassInitFunc) NULL
+ };
+
+ weekday_picker_type = gtk_type_unique (GNOME_TYPE_CANVAS, &weekday_picker_info);
+ }
+
+ return weekday_picker_type;
+}
+
+/* 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;
+
+ parent_class = gtk_type_class (GNOME_TYPE_CANVAS);
+
+ object_class->finalize = weekday_picker_finalize;
+
+ 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;
+}
+
+/* Event handler for the day items */
+static gint
+day_event_cb (GnomeCanvasItem *item, GdkEvent *event, gpointer data)
+{
+ WeekdayPicker *wp;
+ WeekdayPickerPrivate *priv;
+ int i;
+ guint8 day_mask;
+
+ wp = WEEKDAY_PICKER (data);
+ priv = wp->priv;
+
+ 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_assert (i != 7);
+
+ /* Turn on that day */
+
+ if (priv->week_starts_on_monday) {
+ if (i == 6)
+ i = 0;
+ else
+ i++;
+ }
+
+ if (priv->day_mask & (0x1 << i))
+ day_mask = priv->day_mask & ~(0x1 << i);
+ else
+ day_mask = priv->day_mask | (0x1 << i);
+
+ weekday_picker_set_days (wp, day_mask);
+
+ 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);
+ gtk_signal_connect (GTK_OBJECT (priv->boxes[i]), "event",
+ GTK_SIGNAL_FUNC (day_event_cb),
+ wp);
+
+ priv->labels[i] = gnome_canvas_item_new (parent,
+ GNOME_TYPE_CANVAS_TEXT,
+ NULL);
+ gtk_signal_connect (GTK_OBJECT (priv->labels[i]), "event",
+ GTK_SIGNAL_FUNC (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);
+}
+
+/* Finalize handler for the weekday picker */
+static void
+weekday_picker_finalize (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 (parent_class)->finalize)
+ (* GTK_OBJECT_CLASS (parent_class)->finalize) (object);
+}
+
+static void
+colorize_items (WeekdayPicker *wp)
+{
+ WeekdayPickerPrivate *priv;
+ GdkColor *outline;
+ GdkColor *fill, *sel_fill;
+ GdkColor *text_fill, *sel_text_fill;
+ int i;
+
+ priv = wp->priv;
+
+ outline = &GTK_WIDGET (wp)->style->fg[GTK_WIDGET_STATE (wp)];
+
+ fill = &GTK_WIDGET (wp)->style->base[GTK_WIDGET_STATE (wp)];
+ text_fill = &GTK_WIDGET (wp)->style->fg_gc[GTK_WIDGET_STATE (wp)];
+
+ sel_fill = &GTK_WIDGET (wp)->style->bg[GTK_STATE_SELECTED];
+ sel_text_fill = &GTK_WIDGET (wp)->style->fg_gc[GTK_STATE_SELECTED];
+
+ if (priv->week_starts_on_monday) {
+ GdkColor *f, *t;
+
+ for (i = 1; i < 7; i++) {
+ if (priv->day_mask & (0x1 << i)) {
+ f = sel_fill;
+ t = sel_text_fill;
+ } else {
+ f = fill;
+ t = text_fill;
+ }
+
+ gnome_canvas_item_set (priv->boxes[i - 1],
+ "fill_color_gdk", f,
+ "outline_color_gdk", outline,
+ NULL);
+
+ gnome_canvas_item_set (priv->labels[i - 1],
+ "fill_color_gdk", t,
+ NULL);
+ }
+
+ if (priv->day_mask & (0x1 << 0)) {
+ f = sel_fill;
+ t = sel_text_fill;
+ } else {
+ f = fill;
+ t = text_fill;
+ }
+
+ gnome_canvas_item_set (priv->boxes[6],
+ "fill_color_gdk", f,
+ "outline_color_gdk", outline,
+ NULL);
+
+ gnome_canvas_item_set (priv->labels[6],
+ "fill_color_gdk", t,
+ NULL);
+ } else {
+ GdkColor *f, *t;
+
+ for (i = 0; i < 7; i++) {
+ if (priv->day_mask & (0x1 << i)) {
+ f = sel_fill;
+ t = sel_text_fill;
+ } else {
+ f = fill;
+ t = text_fill;
+ }
+
+ gnome_canvas_item_set (priv->boxes[i],
+ "fill_color_gdk", f,
+ "outline_color_gdk", outline,
+ 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 void
+configure_items (WeekdayPicker *wp)
+{
+ WeekdayPickerPrivate *priv;
+ int width, height;
+ int box_width;
+ const char *str;
+ int i;
+
+ priv = wp->priv;
+
+ width = GTK_WIDGET (wp)->allocation.width;
+ height = GTK_WIDGET (wp)->allocation.height;
+
+ box_width = (width - 1) / 7;
+
+ if (priv->week_starts_on_monday)
+ str = _("MTWTFSS");
+ else
+ str = _("SMTWTFS");
+
+ for (i = 0; i < 7; i++) {
+ char *c;
+
+ 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 = g_strndup (str + i, 1);
+ gnome_canvas_item_set (priv->labels[i],
+ "text", c,
+ "font_gdk", GTK_WIDGET (wp)->style->font,
+ "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 (parent_class)->realize)
+ (* GTK_WIDGET_CLASS (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 (parent_class)->size_allocate)
+ (* GTK_WIDGET_CLASS (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;
+ const char *str;
+ int i, len;
+
+ wp = WEEKDAY_PICKER (widget);
+ priv = wp->priv;
+
+ priv->font_ascent = widget->style->font->ascent;
+ priv->font_descent = widget->style->font->descent;
+
+ max_width = 0;
+
+ str = _("SMTWTFS");
+ len = strlen (str);
+
+ for (i = 0; i < len; i++) {
+ int w;
+
+ w = gdk_char_measure (widget->style->font, str[i]);
+ if (w > max_width)
+ max_width = w;
+ }
+
+ priv->max_letter_width = max_width;
+
+ configure_items (wp);
+
+ if (GTK_WIDGET_CLASS (parent_class)->style_set)
+ (* GTK_WIDGET_CLASS (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 gtk_type_new (TYPE_WEEKDAY_PICKER);
+}
+
+/**
+ * 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);
+}
+
+/**
+ * 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_week_starts_on_monday:
+ * @wp: A weekday picker.
+ * @on_monday: Whether weeks start on Monday.
+ *
+ * Sets whether a weekday picker should display weeks as starting on monday.
+ * The default setting is to make Sunday the first day of the week.
+ **/
+void
+weekday_picker_set_week_starts_on_monday (WeekdayPicker *wp, gboolean on_monday)
+{
+ WeekdayPickerPrivate *priv;
+
+ g_return_if_fail (wp != NULL);
+ g_return_if_fail (IS_WEEKDAY_PICKER (wp));
+
+ priv = wp->priv;
+ priv->week_starts_on_monday = on_monday ? TRUE : FALSE;
+
+ configure_items (wp);
+}
+
+/**
+ * weekday_picker_get_week_starts_on_monday:
+ * @wp: A weekday picker.
+ *
+ * Queries whether a weekday picker is set to show weeks as starting on Monday.
+ *
+ * Return value: TRUE if weeks start on monday, FALSE if on Sunday.
+ **/
+gboolean
+weekday_picker_get_week_starts_on_monday (WeekdayPicker *wp)
+{
+ WeekdayPickerPrivate *priv;
+
+ g_return_val_if_fail (wp != NULL, FALSE);
+ g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), FALSE);
+
+ priv = wp->priv;
+ return priv->week_starts_on_monday;
+}
diff --git a/calendar/gui/weekday-picker.h b/calendar/gui/weekday-picker.h
new file mode 100644
index 0000000000..df053a1f6f
--- /dev/null
+++ b/calendar/gui/weekday-picker.h
@@ -0,0 +1,68 @@
+/* Evolution calendar - Week day picker widget
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Author: Federico Mena-Quintero <federico@helixcode.com>
+ *
+ * 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.
+ */
+
+#ifndef WEEKDAY_PICKER_H
+#define WEEKDAY_PICKER_H
+
+#include <libgnome/gnome-defs.h>
+#include <libgnomeui/gnome-canvas.h>
+
+BEGIN_GNOME_DECLS
+
+
+
+#define TYPE_WEEKDAY_PICKER (weekday_picker_get_type ())
+#define WEEKDAY_PICKER(obj) (GTK_CHECK_CAST ((obj), TYPE_WEEKDAY_PICKER, WeekdayPicker))
+#define WEEKDAY_PICKER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), TYPE_WEEKDAY_PICKER, \
+ WeekdayPickerClass))
+#define IS_WEEKDAY_PICKER(obj) (GTK_CHECK_TYPE ((obj), TYPE_WEEKDAY_PICKER))
+#define IS_WEEKDAY_PICKER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), TYPE_WEEKDAY_PICKER))
+
+typedef struct _WeekdayPicker WeekdayPicker;
+typedef struct _WeekdayPickerClass WeekdayPickerClass;
+typedef struct _WeekdayPickerPrivate WeekdayPickerPrivate;
+
+struct _WeekdayPicker {
+ GnomeCanvas canvas;
+
+ /* Private data */
+ WeekdayPickerPrivate *priv;
+};
+
+struct _WeekdayPickerClass {
+ GnomeCanvasClass parent_class;
+};
+
+GtkType weekday_picker_get_type (void);
+
+GtkWidget *weekday_picker_new (void);
+
+void weekday_picker_set_days (WeekdayPicker *wp, guint8 day_mask);
+guint8 weekday_picker_get_days (WeekdayPicker *wp);
+
+void weekday_picker_set_week_starts_on_monday (WeekdayPicker *wp, gboolean on_monday);
+gboolean weekday_picker_get_week_starts_on_monday (WeekdayPicker *wp);
+
+
+
+END_GNOME_DECLS
+
+#endif
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