Refactor addtoicon and turn into more generic iconrenderer CellRenderer

1 files changed, 116 insertions, 0 deletions

diff --git a/src/ui/widget/iconrenderer.cpp b/src/ui/widget/iconrenderer.cpp
new file mode 100644
index 000000000..9826d0bd3
--- /dev/null
+++ b/src/ui/widget/iconrenderer.cpp
@@ -0,0 +1,116 @@
+/*
+ * Authors:
+ *   Theodore Janeczko
+ *
+ * Copyright (C) Theodore Janeczko 2012 <flutterguy317@gmail.com>
+ *               Martin Owens 2018 <doctormo@gmail.com>
+ *
+ * Released under GNU GPLv2+, read the file 'COPYING' for more information
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "ui/widget/iconrenderer.h"
+
+#include "helper/icon-loader.h"
+#include "layertypeicon.h"
+#include "ui/icon-names.h"
+#include "widgets/toolbox.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+IconRenderer::IconRenderer() :
+    Glib::ObjectBase(typeid(IconRenderer)),
+    Gtk::CellRendererPixbuf(),
+    _property_icon(*this, "icon", 0)
+{
+    property_mode() = Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
+    set_pixbuf();
+}
+
+void IconRenderer::get_preferred_height_vfunc(Gtk::Widget& widget,
+                                              int& min_h,
+                                              int& nat_h) const
+{
+    Gtk::CellRendererPixbuf::get_preferred_height_vfunc(widget, min_h, nat_h);
+
+    if (min_h) {
+        min_h += (min_h) >> 1;
+    }
+    
+    if (nat_h) {
+        nat_h += (nat_h) >> 1;
+    }
+}
+
+void IconRenderer::get_preferred_width_vfunc(Gtk::Widget& widget,
+                                             int& min_w,
+                                             int& nat_w) const
+{
+    Gtk::CellRendererPixbuf::get_preferred_width_vfunc(widget, min_w, nat_w);
+
+    if (min_w) {
+        min_w += (min_w) >> 1;
+    }
+    
+    if (nat_w) {
+        nat_w += (nat_w) >> 1;
+    }
+}
+
+void IconRenderer::render_vfunc( const Cairo::RefPtr<Cairo::Context>& cr,
+                                 Gtk::Widget& widget,
+                                 const Gdk::Rectangle& background_area,
+                                 const Gdk::Rectangle& cell_area,
+                                 Gtk::CellRendererState flags )
+{
+    set_pixbuf();
+    
+    Gtk::CellRendererPixbuf::render_vfunc( cr, widget, background_area, cell_area, flags );
+}
+
+bool IconRenderer::activate_vfunc(GdkEvent* /*event*/,
+                               Gtk::Widget& /*widget*/,
+                               const Glib::ustring& /*path*/,
+                               const Gdk::Rectangle& /*background_area*/,
+                               const Gdk::Rectangle& /*cell_area*/,
+                               Gtk::CellRendererState /*flags*/)
+{
+    return false;
+}
+
+void IconRenderer::add_icon(Glib::ustring name)
+{
+    _icons.push_back(name);
+}
+
+void IconRenderer::set_pixbuf()
+{
+    int icon_index = property_icon().get_value();
+    auto icon_name = Glib::ustring("image-missing");
+    if(icon_index >= 0 && icon_index < _icons.size()) {
+        icon_name = _icons[icon_index];
+    }
+    property_pixbuf() = sp_get_icon_pixbuf(icon_name.c_str(), GTK_ICON_SIZE_BUTTON);
+}
+
+
+} // 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:fileencoding=utf-8:textwidth=99 :