added SPDesktop::updateNow() and forced redraw of canvas upon completion of selection or panning to work around event starvation issue at

high zoom levels

(bzr r1459)

5 files changed, 17 insertions, 2 deletions

diff --git a/src/desktop.cpp b/src/desktop.cpp
index cbd5ffa60..b41862704 100644
--- a/src/desktop.cpp
+++ b/src/desktop.cpp
@@ -49,6 +49,7 @@
 #endif
 
 #include <glibmm/i18n.h>
+#include <sigc++/functors/mem_fun.h>
 
 #include "macros.h"
 #include "inkscape-private.h"
@@ -249,7 +250,7 @@ SPDesktop::init (SPNamedView *nv, SPCanvas *aCanvas)
         document->connectReconstructionFinish(sigc::bind(sigc::ptr_fun(_reconstruction_finish), this));
     _reconstruction_old_layer_id = NULL;
     
-    _commit_connection = document->connectCommit(sigc::bind(sigc::ptr_fun(&sp_canvas_update_now), this->canvas));
+    _commit_connection = document->connectCommit(sigc::mem_fun(*this, &SPDesktop::updateNow));
     
     // ?
     // sp_active_desktop_set (desktop);
@@ -1021,6 +1022,12 @@ SPDesktop::emitToolSubselectionChanged(gpointer data)
 	inkscape_subselection_changed (this);
 }
 
+void
+SPDesktop::updateNow()
+{
+  sp_canvas_update_now(canvas);
+}
+
 //----------------------------------------------------------------------
 // Callback implementations. The virtual ones are connected by the view.
 
@@ -1070,7 +1077,7 @@ SPDesktop::setDocument (SPDocument *doc)
     _layer_hierarchy->setTop(SP_DOCUMENT_ROOT(doc));
 
     _commit_connection.disconnect();
-    _commit_connection = doc->connectCommit(sigc::bind(sigc::ptr_fun(&sp_canvas_update_now), this->canvas));
+    _commit_connection = doc->connectCommit(sigc::mem_fun(*this, &SPDesktop::updateNow));
 
     /// \todo fixme: This condition exists to make sure the code
     /// inside is called only once on initialization. But there
diff --git a/src/desktop.h b/src/desktop.h
index dde2962a7..8e31e2e7d 100644
--- a/src/desktop.h
+++ b/src/desktop.h
@@ -223,6 +223,7 @@ struct SPDesktop : public Inkscape::UI::View::View
     void setToolboxFocusTo (gchar const* label);
     void setToolboxAdjustmentValue (gchar const* id, double val);
     bool isToolboxButtonActive (gchar const *id);
+    void updateNow();
     
     void fullscreen();
 
diff --git a/src/event-context.cpp b/src/event-context.cpp
index ab79f999b..92dc711cf 100644
--- a/src/event-context.cpp
+++ b/src/event-context.cpp
@@ -454,6 +454,7 @@ static gint sp_event_context_private_root_handler(SPEventContext *event_context,
                 desktop->zoom_relative_keep_point(event_dt,
                                                   pow(zoom_inc, zoom_power));
                 gtk_timeout_add(250, (GtkFunction) grab_allow_again, NULL);
+                desktop->updateNow();
             }
             if (panning == event->button.button) {
                 panning = 0;
diff --git a/src/node-context.cpp b/src/node-context.cpp
index f38985c71..8f8a48bf7 100644
--- a/src/node-context.cpp
+++ b/src/node-context.cpp
@@ -452,6 +452,7 @@ sp_node_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEve
                                     } else {
                                         sp_nodepath_select_segment_near_point(nc->nodepath, nc->curvepoint_doc, false);
                                     }
+                                    desktop->updateNow();
                                 }
                                 break;
                             case GDK_2BUTTON_PRESS:
@@ -464,8 +465,10 @@ sp_node_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEve
                         }
                     } else if (event->button.state & GDK_SHIFT_MASK) {
                         selection->toggle(item_clicked);
+                        desktop->updateNow();
                     } else {
                         selection->set(item_clicked);
+                        desktop->updateNow();
                     }
 
                     ret = TRUE;
@@ -636,6 +639,7 @@ sp_node_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                 }
                 ret = TRUE;
                 Inkscape::Rubberband::get()->stop();
+                desktop->updateNow();
                 nc->rb_escaped = false;
                 nc->drag = FALSE;
                 nc->hit = false;
diff --git a/src/select-context.cpp b/src/select-context.cpp
index 7027de1ef..6cffdc076 100644
--- a/src/select-context.cpp
+++ b/src/select-context.cpp
@@ -610,6 +610,8 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                     sp_canvas_item_ungrab(sc->grabbed, event->button.time);
                     sc->grabbed = NULL;
                 }
+                
+                desktop->updateNow();
             }
             sc->button_press_shift = false;
             sc->button_press_ctrl = false;