New `ETitleBar' widget. Also, moved the `EClippedLabel' widget out of

the `EShortcutBar' directory.

svn path=/trunk/; revision=3053

1 files changed, 268 insertions, 0 deletions

diff --git a/widgets/misc/e-title-bar.c b/widgets/misc/e-title-bar.c
new file mode 100644
index 0000000000..a161e8145a
--- /dev/null
+++ b/widgets/misc/e-title-bar.c
@@ -0,0 +1,268 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-title-bar.c
+ *
+ * Copyright (C) 2000 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.
+ *
+ * Author: Ettore Perazzoli
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gtk/gtkbox.h>
+#include <gtk/gtkbutton.h>
+#include <gtk/gtkhbox.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtkpixmap.h>
+#include <gtk/gtksignal.h>
+#include <gtk/gtktypeutils.h>
+
+#include "e-util/e-util.h"
+#include "e-clipped-label.h"
+
+#include "e-title-bar.h"
+
+
+enum {
+	TITLE_BUTTON_PRESS_EVENT,
+	CLOSE_BUTTON_CLICKED,
+	LAST_SIGNAL
+};
+static guint signals[LAST_SIGNAL] = { 0 };
+
+
+static char *close_button_xpm[] = {
+	"12 12 2 1",
+	" 	c none",
+	".	c #000000000000",
+	"            ",
+	" ..      .. ",
+	" ...    ... ",
+	"  ...  ...  ",
+	"   ......   ",
+	"    ....    ",
+	"    ....    ",
+	"   ......   ",
+	"  ...  ...  ",
+	" ...    ... ",
+	" ..      .. ",
+	"            "
+};
+
+#define PARENT_TYPE GTK_TYPE_FRAME
+static GtkFrameClass *parent_class = NULL;
+
+struct _ETitleBarPrivate {
+	GtkWidget *label;
+	GtkWidget *close_button;
+	GtkWidget *close_button_gtk_pixmap;
+};
+
+
+/* Child signal callbacks.  */
+
+static void
+close_button_realize_cb (GtkWidget *widget,
+			 gpointer data)
+{
+	GdkPixmap *close_button_pixmap;
+	GdkBitmap *close_button_mask;
+	ETitleBar *title_bar;
+	ETitleBarPrivate *priv;
+
+	title_bar = E_TITLE_BAR (data);
+	priv = title_bar->priv;
+
+	if (priv->close_button_gtk_pixmap != NULL)
+		return;
+
+	close_button_pixmap = gdk_pixmap_create_from_xpm_d (GTK_WIDGET (priv->close_button)->window,
+							    &close_button_mask,
+							    NULL, close_button_xpm);
+	priv->close_button_gtk_pixmap = gtk_pixmap_new (close_button_pixmap, close_button_mask);
+
+	gtk_container_add (GTK_CONTAINER (priv->close_button), priv->close_button_gtk_pixmap);
+	gtk_widget_show (priv->close_button_gtk_pixmap);
+}
+
+static void
+close_button_clicked_cb (GtkButton *button,
+			 gpointer data)
+{
+	ETitleBar *title_bar;
+
+	title_bar = E_TITLE_BAR (data);
+
+	gtk_signal_emit (GTK_OBJECT (title_bar), signals[CLOSE_BUTTON_CLICKED]);
+}
+
+static void
+label_button_press_event_cb (GtkWidget *widget,
+			     GdkEventButton *event,
+			     gpointer data)
+{
+	ETitleBar *title_bar;
+
+	title_bar = E_TITLE_BAR (data);
+
+	gtk_signal_emit (GTK_OBJECT (title_bar), signals[TITLE_BUTTON_PRESS_EVENT], event);
+}
+
+
+/* GtkObject methods.  */
+
+static void
+destroy (GtkObject *object)
+{
+	ETitleBar *title_bar;
+	ETitleBarPrivate *priv;
+
+	title_bar = E_TITLE_BAR (object);
+	priv = title_bar->priv;
+
+	g_free (priv);
+
+	(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+static void
+class_init (ETitleBarClass *klass)
+{
+	GtkObjectClass *object_class;
+
+	object_class = (GtkObjectClass*) klass;
+	object_class->destroy = destroy;
+
+	parent_class = gtk_type_class (gtk_frame_get_type ());
+
+	signals[TITLE_BUTTON_PRESS_EVENT] = 
+		gtk_signal_new ("title_button_press_event",
+				GTK_RUN_FIRST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETitleBarClass, title_button_press_event),
+				gtk_marshal_NONE__POINTER,
+				GTK_TYPE_NONE, 1,
+				GTK_TYPE_GDK_EVENT);
+
+	signals[CLOSE_BUTTON_CLICKED] = 
+		gtk_signal_new ("close_button_clicked",
+				GTK_RUN_FIRST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETitleBarClass, close_button_clicked),
+				gtk_marshal_NONE__NONE,
+				GTK_TYPE_NONE, 0);
+
+	gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
+}
+
+static void
+init (ETitleBar *title_bar)
+{
+	ETitleBarPrivate *priv;
+
+	priv = g_new (ETitleBarPrivate, 1);
+
+	priv->label                   = NULL;
+	priv->close_button            = NULL;
+	priv->close_button_gtk_pixmap = NULL;
+
+	title_bar->priv = priv;
+}
+
+
+void
+e_title_bar_construct (ETitleBar *title_bar,
+		       const char *title)
+{
+	ETitleBarPrivate *priv;
+	GtkWidget *hbox;
+
+	g_return_if_fail (title_bar != NULL);
+	g_return_if_fail (E_IS_TITLE_BAR (title_bar));
+
+	priv = title_bar->priv;
+
+	priv->label = e_clipped_label_new (title);
+	gtk_misc_set_alignment (GTK_MISC (priv->label), 0.0, 0.5);
+	gtk_widget_show (priv->label);
+
+	priv->close_button = gtk_button_new ();
+	GTK_WIDGET_UNSET_FLAGS (priv->close_button, GTK_CAN_FOCUS);
+	gtk_container_set_border_width (GTK_CONTAINER (priv->close_button), 1);
+	gtk_button_set_relief (GTK_BUTTON (priv->close_button), GTK_RELIEF_NONE);
+	gtk_widget_show (priv->close_button);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_box_pack_start (GTK_BOX (hbox), priv->label, TRUE, TRUE, 2);
+	gtk_box_pack_start (GTK_BOX (hbox), priv->close_button, FALSE, TRUE, 1);
+	gtk_widget_show (hbox);
+
+	gtk_container_add (GTK_CONTAINER (title_bar), hbox);
+
+	gtk_signal_connect (GTK_OBJECT (priv->close_button), "realize",
+			    GTK_SIGNAL_FUNC (close_button_realize_cb), title_bar);
+	gtk_signal_connect (GTK_OBJECT (priv->close_button), "clicked",
+			    GTK_SIGNAL_FUNC (close_button_clicked_cb), title_bar);
+	gtk_signal_connect (GTK_OBJECT (priv->label), "button_press_event",
+			    GTK_SIGNAL_FUNC (label_button_press_event_cb), title_bar);
+}
+
+GtkWidget *
+e_title_bar_new (const char *title)
+{
+	ETitleBar *title_bar;
+
+	title_bar = gtk_type_new (e_title_bar_get_type ());
+
+	e_title_bar_construct (title_bar, title);
+
+	return GTK_WIDGET (title_bar);
+}
+
+
+void
+e_title_bar_set_title (ETitleBar *title_bar,
+		       const char *title)
+{
+	g_return_if_fail (title_bar != NULL);
+	g_return_if_fail (E_IS_TITLE_BAR (title_bar));
+
+	gtk_label_set_text (GTK_LABEL (title_bar->priv->label), title);
+}
+
+void
+e_title_bar_show_close_button (ETitleBar *title_bar,
+			       gboolean show)
+{
+	ETitleBarPrivate *priv;
+
+	g_return_if_fail (title_bar != NULL);
+	g_return_if_fail (E_IS_TITLE_BAR (title_bar));
+
+	priv = title_bar->priv;
+
+	if (show)
+		gtk_widget_show (priv->close_button);
+	else
+		gtk_widget_hide (priv->close_button);
+}
+
+
+E_MAKE_TYPE (e_title_bar, "ETitleBar", ETitleBar, class_init, init, PARENT_TYPE)