1 files changed, 92 insertions, 0 deletions
diff --git a/src/ui/widget/svg-canvas.cpp b/src/ui/widget/svg-canvas.cpp
new file mode 100644
index 000000000..1ba49b7ec
--- /dev/null
+++ b/src/ui/widget/svg-canvas.cpp
@@ -0,0 +1,92 @@
+/** \file
+ * Gtkmm facade/wrapper around SPCanvas.
+ *
+ * Authors:
+ *   Ralf Stephan <ralf@ark.in-berlin.de>
+ *
+ * Copyright (C) 2005 The Authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <gtkmm/widget.h>
+#include "desktop.h"
+#include "desktop-events.h"
+#include "display/canvas-arena.h"
+#include "display/display-forward.h"
+#include "ui/widget/svg-canvas.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+SVGCanvas::SVGCanvas()
+{
+    void *canvas = gtk_type_new (sp_canvas_get_type ());
+    _spcanvas = static_cast<SPCanvas*>(canvas);
+    _widget = Glib::wrap (static_cast<GtkWidget*> (canvas));
+    _dt = 0;
+}
+
+SVGCanvas::~SVGCanvas()
+{
+}
+
+void
+SVGCanvas::init (SPDesktop *dt)
+{
+    _dt = dt;
+    _widget->set_flags(Gtk::CAN_FOCUS);
+
+    // Set background to white
+    Glib::RefPtr<Gtk::Style> style = _widget->get_style();
+    style->set_bg(Gtk::STATE_NORMAL, style->get_white());
+    _widget->set_style(style);
+    _widget->set_extension_events(Gdk::EXTENSION_EVENTS_ALL);
+    _widget->signal_event().connect(sigc::mem_fun(*this, &SVGCanvas::onEvent));
+}
+
+bool
+SVGCanvas::onEvent (GdkEvent * ev) const
+{
+    g_assert (_dt);
+
+    // Gdk::Event doesn't appear to be fully usable for this atm
+    if (ev->type == GDK_BUTTON_PRESS) {
+        // defocus any spinbuttons
+        _widget->grab_focus();
+    }
+
+    if ((ev->type == GDK_BUTTON_PRESS) && (ev->button.button == 3)) {
+        if (ev->button.state & GDK_SHIFT_MASK) {
+            sp_canvas_arena_set_sticky(SP_CANVAS_ARENA(_dt->drawing), true);
+        } else {
+            sp_canvas_arena_set_sticky(SP_CANVAS_ARENA(_dt->drawing), false);
+        }
+    }
+
+    // The keypress events need to be passed to desktop handler explicitly,
+    // because otherwise the event contexts only receive keypresses when the mouse cursor
+    // is over the canvas. This redirection is only done for keypresses and only if there's no
+    // current item on the canvas, because item events and all mouse events are caught
+    // and passed on by the canvas acetate (I think). --bb
+
+    if (ev->type == GDK_KEY_PRESS && !_spcanvas->current_item) {
+        return sp_desktop_root_handler(0, ev, _dt);
+    }
+
+    return false;
+}
+
+}}}
+
+/*
+  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 :