extract ImageToggler from layers dialog

(bzr r6377)

4 files changed, 226 insertions, 0 deletions

diff --git a/src/ui/widget/CMakeLists.txt b/src/ui/widget/CMakeLists.txt
index 9293e3be4..ffc94c299 100644
--- a/src/ui/widget/CMakeLists.txt
+++ b/src/ui/widget/CMakeLists.txt
@@ -11,6 +11,7 @@ filter-effect-chooser.cpp
 handlebox.cpp
 icon-widget.cpp
 imageicon.cpp
+imagetoggler.cpp
 labelled.cpp
 licensor.cpp
 notebook-page.cpp
diff --git a/src/ui/widget/Makefile_insert b/src/ui/widget/Makefile_insert
index fbbc686ab..ef68f6114 100644
--- a/src/ui/widget/Makefile_insert
+++ b/src/ui/widget/Makefile_insert
@@ -32,6 +32,8 @@ ui_widget_libuiwidget_a_SOURCES =	\
 	ui/widget/icon-widget.h		\
 	ui/widget/imageicon.cpp		\
 	ui/widget/imageicon.h		\
+	ui/widget/imagetoggler.cpp		\
+	ui/widget/imagetoggler.h		\
 	ui/widget/labelled.cpp		\
 	ui/widget/labelled.h		\
 	ui/widget/licensor.cpp          \
diff --git a/src/ui/widget/imagetoggler.cpp b/src/ui/widget/imagetoggler.cpp
new file mode 100644
index 000000000..eafa1144a
--- /dev/null
+++ b/src/ui/widget/imagetoggler.cpp
@@ -0,0 +1,121 @@
+/*
+ * Authors:
+ *   Jon A. Cruz
+ *   Johan B. C. Engelen
+ *
+ * Copyright (C) 2006-2008 Authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+
+#include "ui/widget/imagetoggler.h"
+ 
+#include <gtk/gtkstock.h>
+#include <gtk/gtkmain.h>
+
+#include <gtkmm/icontheme.h>
+
+#include "document.h"
+#include "desktop.h"
+#include "sp-object.h"
+#include "sp-item.h"
+#include "widgets/icon.h"
+#include <gtkmm/widget.h>
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+ImageToggler::ImageToggler( char const* on, char const* off) :
+    Glib::ObjectBase(typeid(ImageToggler)),
+    Gtk::CellRendererPixbuf(),
+    _pixOnName(on),
+    _pixOffName(off),
+    _property_active(*this, "active", false),
+    _property_activatable(*this, "activatable", true),
+    _property_pixbuf_on(*this, "pixbuf_on", Glib::RefPtr<Gdk::Pixbuf>(0)),
+    _property_pixbuf_off(*this, "pixbuf_off", Glib::RefPtr<Gdk::Pixbuf>(0))
+{
+    property_mode() = Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
+    int phys = sp_icon_get_phys_size((int)Inkscape::ICON_SIZE_DECORATION);
+
+    Glib::RefPtr<Gdk::Pixbuf> pbmm = Gtk::IconTheme::get_default()->load_icon(_pixOnName, phys, (Gtk::IconLookupFlags)0);
+    if ( pbmm ) {
+        GdkPixbuf* pb = gdk_pixbuf_copy(pbmm->gobj());
+        _property_pixbuf_on = Glib::wrap( pb );
+        pbmm->unreference();
+    }
+
+    pbmm = Gtk::IconTheme::get_default()->load_icon(_pixOffName, phys, (Gtk::IconLookupFlags)0);
+    if ( pbmm ) {
+        GdkPixbuf* pb = gdk_pixbuf_copy(pbmm->gobj());
+        _property_pixbuf_off = Glib::wrap( pb );
+        pbmm->unreference();
+    }
+
+    property_pixbuf() = _property_pixbuf_off.get_value();
+}
+
+void
+ImageToggler::get_size_vfunc( Gtk::Widget& widget,
+                             const Gdk::Rectangle* cell_area,
+                             int* x_offset,
+                             int* y_offset,
+                             int* width,
+                             int* height ) const
+{
+    Gtk::CellRendererPixbuf::get_size_vfunc( widget, cell_area, x_offset, y_offset, width, height );
+
+    if ( width ) {
+        *width += (*width) >> 1;
+    }
+    if ( height ) {
+        *height += (*height) >> 1;
+    }
+}
+
+
+void
+ImageToggler::render_vfunc( const Glib::RefPtr<Gdk::Drawable>& window,
+                           Gtk::Widget& widget,
+                           const Gdk::Rectangle& background_area,
+                           const Gdk::Rectangle& cell_area,
+                           const Gdk::Rectangle& expose_area,
+                           Gtk::CellRendererState flags )
+{
+    property_pixbuf() = _property_active.get_value() ? _property_pixbuf_on : _property_pixbuf_off;
+    Gtk::CellRendererPixbuf::render_vfunc( window, widget, background_area, cell_area, expose_area, flags );
+}
+
+bool
+ImageToggler::activate_vfunc(GdkEvent* event,
+                            Gtk::Widget& /*widget*/,
+                            const Glib::ustring& path,
+                            const Gdk::Rectangle& /*background_area*/,
+                            const Gdk::Rectangle& /*cell_area*/,
+                            Gtk::CellRendererState /*flags*/)
+{
+    _signal_pre_toggle.emit(event);
+    _signal_toggled.emit(path);
+
+    return false;
+}
+
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+
+
diff --git a/src/ui/widget/imagetoggler.h b/src/ui/widget/imagetoggler.h
new file mode 100644
index 000000000..29ff79180
--- /dev/null
+++ b/src/ui/widget/imagetoggler.h
@@ -0,0 +1,102 @@
+#ifndef __UI_DIALOG_IMAGETOGGLER_H__
+#define __UI_DIALOG_IMAGETOGGLER_H__
+/*
+ * Authors:
+ *   Jon A. Cruz
+ *   Johan B. C. Engelen
+ *
+ * Copyright (C) 2006-2008 Authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+ //TODO:  we don't need all these include files here!
+#include <gtk/gtkstock.h>
+#include <gtk/gtkmain.h>
+
+#include <gtkmm/icontheme.h>
+
+#include "inkscape.h"
+
+#include "layers-panel.h"
+
+#include "layer-manager.h"
+#include "layer-fns.h"
+
+#include "verbs.h"
+#include "helper/action.h"
+
+#include "widgets/icon.h"
+#include <gtkmm/widget.h>
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+class ImageToggler : public Gtk::CellRendererPixbuf {
+public:
+    ImageToggler( char const *on, char const *off);
+    virtual ~ImageToggler() {};
+
+    sigc::signal<void, const Glib::ustring&> signal_toggled() { return _signal_toggled;}
+    sigc::signal<void, GdkEvent const *> signal_pre_toggle()  { return _signal_pre_toggle; }
+
+    Glib::PropertyProxy<bool> property_active() { return _property_active.get_proxy(); }
+    Glib::PropertyProxy<bool> property_activatable() { return _property_activatable.get_proxy(); }
+    Glib::PropertyProxy< Glib::RefPtr<Gdk::Pixbuf> > property_pixbuf_on();
+    Glib::PropertyProxy< Glib::RefPtr<Gdk::Pixbuf> > property_pixbuf_off();
+
+protected:
+
+    virtual void get_size_vfunc( Gtk::Widget &widget,
+                                 Gdk::Rectangle const *cell_area,
+                                 int *x_offset, int *y_offset, int *width, int *height ) const;
+
+
+    virtual void render_vfunc( const Glib::RefPtr<Gdk::Drawable>& window,
+                               Gtk::Widget& widget,
+                               const Gdk::Rectangle& background_area,
+                               const Gdk::Rectangle& cell_area,
+                               const Gdk::Rectangle& expose_area,
+                               Gtk::CellRendererState flags );
+
+    virtual bool activate_vfunc(GdkEvent *event,
+                                Gtk::Widget &widget,
+                                const Glib::ustring &path,
+                                const Gdk::Rectangle &background_area,
+                                const Gdk::Rectangle &cell_area,
+                                Gtk::CellRendererState flags);
+
+
+private:
+    Glib::ustring _pixOnName;
+    Glib::ustring _pixOffName;
+
+    Glib::Property<bool> _property_active;
+    Glib::Property<bool> _property_activatable;
+    Glib::Property< Glib::RefPtr<Gdk::Pixbuf> > _property_pixbuf_on;
+    Glib::Property< Glib::RefPtr<Gdk::Pixbuf> > _property_pixbuf_off;
+
+    sigc::signal<void, const Glib::ustring&> _signal_toggled;
+    sigc::signal<void, GdkEvent const *> _signal_pre_toggle;
+};
+
+
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+
+#endif /* __UI_DIALOG_IMAGETOGGLER_H__ */
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :