LPE: implement 'edit next LPE parameter'. Accessible through key '7'.

(bzr r3968)

1 files changed, 24 insertions, 12 deletions

diff --git a/src/live_effects/parameter/path.cpp b/src/live_effects/parameter/path.cpp
index db1064511..2b558d2dd 100644
--- a/src/live_effects/parameter/path.cpp
+++ b/src/live_effects/parameter/path.cpp
@@ -46,6 +46,7 @@ PathParam::PathParam( const Glib::ustring& label, const Glib::ustring& tip,
     edit_button = NULL;
     defvalue = g_strdup(default_value);
     param_readSVGValue(defvalue);
+    oncanvas_editable = true;
 }
 
 PathParam::~PathParam()
@@ -128,18 +129,35 @@ PathParam::param_getWidget()
 }
 
 void
-PathParam::on_edit_button_click()
+PathParam::param_editOncanvas(SPItem * item, SPDesktop * dt)
 {
-    // Switch to node edit tool:
-    tools_switch_current(TOOLS_NODES);
+    // If not already in nodecontext, goto it!
+    if (!tools_isactive(dt, TOOLS_NODES)) {
+        tools_switch_current(TOOLS_NODES);
+    }
 
-    // set this parameter to edit:
-    ShapeEditor * shape_editor = SP_NODE_CONTEXT( SP_ACTIVE_DESKTOP->event_context )->shape_editor;
-    SPItem * item = sp_desktop_selection(SP_ACTIVE_DESKTOP)->singleItem();
+    ShapeEditor * shape_editor = SP_NODE_CONTEXT( dt->event_context )->shape_editor;
     shape_editor->set_item_livepatheffect_parameter(item, SP_OBJECT(param_effect->getLPEObj()), param_key.c_str());
 }
 
 void
+PathParam::param_write_to_repr(const char * svgd)
+{
+    param_effect->getRepr()->setAttribute(param_key.c_str(), svgd);
+}
+
+
+/* CALLBACK FUNCTIONS FOR THE BUTTONS */
+void
+PathParam::on_edit_button_click()
+{
+    SPItem * item = sp_desktop_selection(SP_ACTIVE_DESKTOP)->singleItem();
+    if (item != NULL) {
+        param_editOncanvas(item, SP_ACTIVE_DESKTOP);
+    }
+}
+
+void
 PathParam::on_paste_button_click()
 {
     // check if something is in the clipboard
@@ -170,12 +188,6 @@ PathParam::on_paste_button_click()
     }
 }
 
-void
-PathParam::param_write_to_repr(const char * svgd)
-{
-    param_effect->getRepr()->setAttribute(param_key.c_str(), svgd);
-}
-
 
 } /* namespace LivePathEffect */