[glade] Added GladeBoolToggle as property editor for boolean properties.

[Juan Pablo Ugarte <jpu src gnome org>]

commit b0ad5f34bd17794aef704dfa0bd225a05d83ff00
Author: Juan Pablo Ugarte <juanpablougarte gmail com>
Date:   Tue Mar 12 19:26:29 2013 -0300

    Added GladeBoolToggle as property editor for boolean properties.

 gladeui/Makefile.am             |    6 +-
 gladeui/glade-bool-toggle.c     |  135 +++++++++++++++++++++++++++++++++++++++
 gladeui/glade-bool-toggle.h     |   57 ++++++++++++++++
 gladeui/glade-editor-property.c |   21 ++++---
 4 files changed, 208 insertions(+), 11 deletions(-)
---
diff --git a/gladeui/Makefile.am b/gladeui/Makefile.am
index 141aaed..f44a628 100644
--- a/gladeui/Makefile.am
+++ b/gladeui/Makefile.am
@@ -89,7 +89,8 @@ libgladeui_2_la_SOURCES = \
        glade-displayable-values.c \
        glade-signal-model.c \
        glade-cell-renderer-icon.c \
-       glade-preview.c
+       glade-preview.c \
+       glade-bool-toggle.c
 
 libgladeui_2_la_CPPFLAGS =  \
        $(common_defines)   \
@@ -152,7 +153,8 @@ noinst_HEADERS = \
        glade-design-private.h \
        glade-preview-tokens.h \
        glade-preview.h \
-       glade-path.h
+       glade-path.h \
+       glade-bool-toggle.h
 
 if PLATFORM_WIN32
 libgladeui_2_la_LDFLAGS += -no-undefined
diff --git a/gladeui/glade-bool-toggle.c b/gladeui/glade-bool-toggle.c
new file mode 100644
index 0000000..8038ef6
--- /dev/null
+++ b/gladeui/glade-bool-toggle.c
@@ -0,0 +1,135 @@
+/*
+ * glade-bool-toggle.h
+ *
+ * Copyright (C) 2013 Juan Pablo Ugarte <juanpablougarte gmail com>
+   *
+ * Authors:
+ *   Juan Pablo Ugarte <juanpablougarte gmail 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define TRUE_STRING _("<span color='green'>✓</span>True")
+#define FALSE_STRING _("<span color='red'>✗</span>False")
+
+#include "glade-bool-toggle.h"
+#include <glib/gi18n-lib.h>
+
+G_DEFINE_TYPE (GladeBoolToggle, glade_bool_toggle, GTK_TYPE_TOGGLE_BUTTON);
+
+static void
+glade_bool_toggle_init (GladeBoolToggle *toggle)
+{
+  GtkWidget *label = gtk_label_new ("");
+  gtk_label_set_markup (GTK_LABEL (label), FALSE_STRING);
+  gtk_container_add (GTK_CONTAINER (toggle), label);
+  gtk_widget_show (label);
+}
+
+static void
+glade_bool_toggle_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (glade_bool_toggle_parent_class)->finalize (object);
+}
+
+static gint
+layout_get_value (PangoLayout *layout, const gchar *string, gboolean width)
+{
+  PangoRectangle rect;
+  pango_layout_set_markup (layout, string, -1);
+  pango_layout_get_extents (layout, NULL, &rect);
+  pango_extents_to_pixels (&rect, NULL);
+  return width ? rect.width : rect.height;
+}
+
+static void
+glade_bool_toggle_get_preferred_size (GtkWidget *widget,
+                                      gboolean   width,
+                                      gint      *minimum,
+                                      gint      *natural)
+{
+  PangoLayout *layout;
+  gint value, tmp;
+
+  layout = gtk_widget_create_pango_layout (widget, "");
+    
+  value = MAX (layout_get_value (layout, TRUE_STRING, width),
+               layout_get_value (layout, FALSE_STRING, width));
+
+  /* Add some extra spacing */
+  tmp = layout_get_value (layout, (width) ? "-" : "'", TRUE);
+  value += (width) ? tmp*2 : tmp;
+
+  g_object_unref (layout);
+
+  if (minimum)
+    *minimum = value;
+
+  if (natural)
+    *natural = value;
+}
+
+static void
+glade_bool_toggle_get_preferred_width (GtkWidget *widget,
+                                       gint      *minimum,
+                                       gint      *natural)
+{
+  glade_bool_toggle_get_preferred_size (widget, TRUE, minimum, natural);
+}
+
+static void
+glade_bool_toggle_get_preferred_height (GtkWidget *widget,
+                                        gint      *minimum,
+                                        gint      *natural)
+{
+  glade_bool_toggle_get_preferred_size (widget, FALSE, minimum, natural);
+}
+
+static void
+glade_bool_toggle_toggled (GtkToggleButton *toggle_button)
+{
+  GtkWidget *label = gtk_bin_get_child (GTK_BIN (toggle_button));
+
+  if (GTK_IS_LABEL (label))
+    {
+      if (gtk_toggle_button_get_active (toggle_button))
+        gtk_label_set_markup (GTK_LABEL (label), TRUE_STRING);
+      else
+        gtk_label_set_markup (GTK_LABEL (label), FALSE_STRING);
+    }
+}
+
+static void
+glade_bool_toggle_class_init (GladeBoolToggleClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+  GtkToggleButtonClass *toggle_class = GTK_TOGGLE_BUTTON_CLASS (klass);
+
+  object_class->finalize = glade_bool_toggle_finalize;
+  widget_class->get_preferred_width = glade_bool_toggle_get_preferred_width;
+  widget_class->get_preferred_height = glade_bool_toggle_get_preferred_height;
+  toggle_class->toggled = glade_bool_toggle_toggled;
+}
+
+GtkWidget *
+_glade_bool_toggle_new (void)
+{
+  return g_object_new (GLADE_TYPE_BOOL_TOGGLE, NULL);
+}
diff --git a/gladeui/glade-bool-toggle.h b/gladeui/glade-bool-toggle.h
new file mode 100644
index 0000000..186c5b3
--- /dev/null
+++ b/gladeui/glade-bool-toggle.h
@@ -0,0 +1,57 @@
+/*
+ * glade-bool-toggle.h
+ *
+ * Copyright (C) 2013 Juan Pablo Ugarte <juanpablougarte gmail com>
+   *
+ * Authors:
+ *   Juan Pablo Ugarte <juanpablougarte gmail 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _GLADE_BOOL_TOGGLE_H_
+#define _GLADE_BOOL_TOGGLE_H_
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define GLADE_TYPE_BOOL_TOGGLE             (glade_bool_toggle_get_type ())
+#define GLADE_BOOL_TOGGLE(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GLADE_TYPE_BOOL_TOGGLE, 
GladeBoolToggle))
+#define GLADE_BOOL_TOGGLE_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GLADE_TYPE_BOOL_TOGGLE, 
GladeBoolToggleClass))
+#define GLADE_IS_BOOL_TOGGLE(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GLADE_TYPE_BOOL_TOGGLE))
+#define GLADE_IS_BOOL_TOGGLE_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GLADE_TYPE_BOOL_TOGGLE))
+#define GLADE_BOOL_TOGGLE_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GLADE_TYPE_BOOL_TOGGLE, 
GladeBoolToggleClass))
+
+typedef struct _GladeBoolToggleClass GladeBoolToggleClass;
+typedef struct _GladeBoolToggle GladeBoolToggle;
+
+struct _GladeBoolToggleClass
+{
+  GtkToggleButtonClass parent_class;
+};
+
+struct _GladeBoolToggle
+{
+  GtkToggleButton parent_instance;
+  gpointer priv;
+};
+
+GType glade_bool_toggle_get_type (void) G_GNUC_CONST;
+GtkWidget *_glade_bool_toggle_new (void);
+
+G_END_DECLS
+
+#endif /* _GLADE_BOOL_TOGGLE_H_ */
diff --git a/gladeui/glade-editor-property.c b/gladeui/glade-editor-property.c
index 79186f1..79eed28 100644
--- a/gladeui/glade-editor-property.c
+++ b/gladeui/glade-editor-property.c
@@ -49,6 +49,7 @@
 #include "glade-marshallers.h"
 #include "glade-displayable-values.h"
 #include "glade-named-icon-chooser-dialog.h"
+#include "glade-bool-toggle.h"
 
 enum
 {
@@ -2245,7 +2246,7 @@ typedef struct
 {
   GladeEditorProperty parent_instance;
 
-  GtkWidget *gswitch;
+  GtkWidget *button;
 } GladeEPropBool;
 
 GLADE_MAKE_EPROP (GladeEPropBool, glade_eprop_bool)
@@ -2272,7 +2273,7 @@ glade_eprop_bool_load (GladeEditorProperty *eprop, GladeProperty *property)
     {
       GladeEPropBool *eprop_bool = GLADE_EPROP_BOOL (eprop);
       gboolean state = g_value_get_boolean (glade_property_inline_value (property));
-      gtk_switch_set_active (GTK_SWITCH (eprop_bool->gswitch), state);
+      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (eprop_bool->button), state);
     }
 }
 
@@ -2287,7 +2288,7 @@ glade_eprop_bool_active_notify (GObject             *gobject,
     return;
 
   g_value_init (&val, G_TYPE_BOOLEAN);
-  g_value_set_boolean (&val, gtk_switch_get_active (GTK_SWITCH (gobject)));
+  g_value_set_boolean (&val, gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (gobject)));
 
   glade_editor_property_commit_no_callback (eprop, &val);
 
@@ -2299,14 +2300,14 @@ glade_eprop_bool_create_input (GladeEditorProperty *eprop)
 {
   GladeEPropBool *eprop_bool = GLADE_EPROP_BOOL (eprop);
   
-  eprop_bool->gswitch = gtk_switch_new ();
-  gtk_widget_set_halign (eprop_bool->gswitch, GTK_ALIGN_START);
-  gtk_widget_set_valign (eprop_bool->gswitch, GTK_ALIGN_CENTER);
+  eprop_bool->button = _glade_bool_toggle_new ();
+  gtk_widget_set_halign (eprop_bool->button, GTK_ALIGN_START);
+  gtk_widget_set_valign (eprop_bool->button, GTK_ALIGN_CENTER);
 
-  g_signal_connect (eprop_bool->gswitch, "notify::active",
+  g_signal_connect (eprop_bool->button, "notify::active",
                     G_CALLBACK (glade_eprop_bool_active_notify), eprop);
 
-  return eprop_bool->gswitch;
+  return eprop_bool->button;
 }
 
 
@@ -2326,7 +2327,9 @@ GLADE_MAKE_EPROP (GladeEPropUnichar, glade_eprop_unichar)
 #define GLADE_IS_EPROP_UNICHAR(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GLADE_TYPE_EPROP_UNICHAR))
 #define GLADE_IS_EPROP_UNICHAR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GLADE_TYPE_EPROP_UNICHAR))
 #define GLADE_EPROP_UNICHAR_GET_CLASS(o)    (G_TYPE_INSTANCE_GET_CLASS ((o), GLADE_EPROP_UNICHAR, 
GladeEPropUnicharClass))
-     static void glade_eprop_unichar_finalize (GObject *object)
+
+static void
+glade_eprop_unichar_finalize (GObject *object)
 {
   /* Chain up */
   G_OBJECT_CLASS (editor_property_class)->finalize (object);