moving trunk for module inkscape

(bzr r1)

1 files changed, 135 insertions, 0 deletions

diff --git a/src/ui/view/view-widget.cpp b/src/ui/view/view-widget.cpp
new file mode 100644
index 000000000..6e60a9dfe
--- /dev/null
+++ b/src/ui/view/view-widget.cpp
@@ -0,0 +1,135 @@
+/** \file
+ * SPViewWidget implementation.
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Ralf Stephan <ralf@ark.in-berlin.de>
+ *
+ * Copyright (C) 2001-2002 Lauris Kaplinski
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "view.h"
+#include "view-widget.h"
+
+//using namespace Inkscape::UI::View;
+
+/* SPViewWidget */
+
+static void sp_view_widget_class_init(SPViewWidgetClass *vwc);
+static void sp_view_widget_init(SPViewWidget *widget);
+static void sp_view_widget_destroy(GtkObject *object);
+
+static GtkEventBoxClass *widget_parent_class;
+
+/**
+ * Registers the SPViewWidget class with Glib and returns its type number.
+ */
+GtkType sp_view_widget_get_type(void)
+{
+    static GtkType type = 0;
+    
+    if (!type) {
+        GtkTypeInfo info = {
+            "SPViewWidget",
+            sizeof(SPViewWidget),
+            sizeof(SPViewWidgetClass),
+            (GtkClassInitFunc) sp_view_widget_class_init,
+            (GtkObjectInitFunc) sp_view_widget_init,
+            NULL, NULL, NULL
+        };
+        type = gtk_type_unique(GTK_TYPE_EVENT_BOX, &info);
+    }
+    
+    return type;
+}
+
+/**
+ * Callback to initialize the SPViewWidget vtable.
+ */
+static void sp_view_widget_class_init(SPViewWidgetClass *vwc)
+{
+    GtkObjectClass *object_class = GTK_OBJECT_CLASS(vwc);
+
+    widget_parent_class = (GtkEventBoxClass*) gtk_type_class(GTK_TYPE_EVENT_BOX);
+    
+    object_class->destroy = sp_view_widget_destroy;
+}
+
+/**
+ * Callback to initialize the SPViewWidget.
+ */
+static void sp_view_widget_init(SPViewWidget *vw)
+{
+    vw->view = NULL;
+}
+
+/**
+ * Callback to disconnect from view and destroy SPViewWidget.
+ *
+ * Apparently, this gets only called when a desktop is closed, but then twice!
+ */
+static void sp_view_widget_destroy(GtkObject *object)
+{
+    SPViewWidget *vw = SP_VIEW_WIDGET(object);
+
+    if (vw->view) {
+        vw->view->close();
+        Inkscape::GC::release(vw->view);
+        vw->view = NULL;
+    }
+
+    if (((GtkObjectClass *) (widget_parent_class))->destroy) {
+        (* ((GtkObjectClass *) (widget_parent_class))->destroy)(object);
+    }
+}
+
+/**
+ * Connects widget to view's 'resized' signal and calls virtual set_view()
+ * function.
+ */
+void sp_view_widget_set_view(SPViewWidget *vw, Inkscape::UI::View::View *view)
+{
+    g_return_if_fail(vw != NULL);
+    g_return_if_fail(SP_IS_VIEW_WIDGET(vw));
+    g_return_if_fail(view != NULL);
+    
+    g_return_if_fail(vw->view == NULL);
+    
+    vw->view = view;
+    Inkscape::GC::anchor(view);
+
+    if (((SPViewWidgetClass *) G_OBJECT_GET_CLASS(vw))->set_view) {
+        ((SPViewWidgetClass *) G_OBJECT_GET_CLASS(vw))->set_view(vw, view);
+    }
+}
+
+/**
+ * Calls the virtual shutdown() function of the SPViewWidget.
+ */
+bool sp_view_widget_shutdown(SPViewWidget *vw)
+{
+    g_return_val_if_fail(vw != NULL, TRUE);
+    g_return_val_if_fail(SP_IS_VIEW_WIDGET(vw), TRUE);
+
+    if (((SPViewWidgetClass *) G_OBJECT_GET_CLASS(vw))->shutdown) {
+        return ((SPViewWidgetClass *) G_OBJECT_GET_CLASS(vw))->shutdown(vw);
+    }
+
+    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 :