Use the functions from the last two revisions to rebuild the layer tree whenever...

git-svn-id: https://synfig.svn.sourceforge.net/svnroot/synfig@2222 1f10aa63-cdf2-0310-b900-c93c546f37ac

diff --git a/synfig-studio/trunk/src/gtkmm/layertreestore.cpp b/synfig-studio/trunk/src/gtkmm/layertreestore.cpp
index 04e5814..20e0cf6 100644 (file)
--- a/synfig-studio/trunk/src/gtkmm/layertreestore.cpp
+++ b/synfig-studio/trunk/src/gtkmm/layertreestore.cpp
@@ -38,6 +38,7 @@
 #include <synfigapp/instance.h>
 #include "app.h"
 #include "instance.h"
+#include <synfig/layer_pastecanvas.h>
 #include <synfigapp/action_system.h>
 
 #include <gtk/gtkversion.h>
@@ -605,6 +606,12 @@ LayerTreeStore::rebuild()
 {
        if (queued) queued = false;
 
+       // disconnect any subcanvas_changed connections
+       std::map<synfig::Layer::Handle, sigc::connection>::iterator iter;
+       for (iter = subcanvas_changed_connections.begin(); iter != subcanvas_changed_connections.end(); iter++)
+               iter->second.disconnect();
+       subcanvas_changed_connections.clear();
+
        //etl::clock timer;timer.reset();
 
        //synfig::warning("---------rebuilding layer table---------");
@@ -753,6 +760,12 @@ LayerTreeStore::set_row_layer(Gtk::TreeRow &row,synfig::Layer::Handle &handle)
 void
 LayerTreeStore::on_layer_added(synfig::Layer::Handle layer)
 {
+       if (etl::handle<Layer_PasteCanvas>::cast_dynamic(layer))
+               subcanvas_changed_connections[layer] =
+                       (etl::handle<Layer_PasteCanvas>::cast_dynamic(layer))->signal_subcanvas_changed().connect(
+                               sigc::mem_fun(*this,&studio::LayerTreeStore::queue_rebuild)
+                       );
+
        assert(layer);
        Gtk::TreeRow row;
        if(canvas_interface()->get_canvas()==layer->get_canvas())
@@ -775,6 +788,11 @@ LayerTreeStore::on_layer_added(synfig::Layer::Handle layer)
 void
 LayerTreeStore::on_layer_removed(synfig::Layer::Handle handle)
 {
+       if (etl::handle<Layer_PasteCanvas>::cast_dynamic(handle))
+       {
+               subcanvas_changed_connections[handle].disconnect();
+               subcanvas_changed_connections.erase(handle);
+       }
        Gtk::TreeModel::Children::iterator iter;
        if(find_layer_row(handle,iter))
                erase(iter);

diff --git a/synfig-studio/trunk/src/gtkmm/layertreestore.h b/synfig-studio/trunk/src/gtkmm/layertreestore.h
index 0875d51..5b33309 100644 (file)
--- a/synfig-studio/trunk/src/gtkmm/layertreestore.h
+++ b/synfig-studio/trunk/src/gtkmm/layertreestore.h
@@ -107,6 +107,8 @@ private:
 
        sigc::connection queue_connection;
 
+       std::map<synfig::Layer::Handle, sigc::connection> subcanvas_changed_connections;
+
        etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_;
 
        Glib::RefPtr<Gdk::Pixbuf> layer_icon;