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@@ -34,6 +34,8 @@
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   GtkRequisition req;
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   VALUE c = (VALUE)data;
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   shoes_canvas *canvas;
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+  INFO("EXPOSE: (%d, %d) (%d, %d) %lu, %d, %d\n", event->area.x, event->area.y,
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+    event->area.width, event->area.height, event->window, (int)event->send_event, event->count);
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   Data_Get_Struct(c, shoes_canvas, canvas);
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   shoes_canvas_paint(c);
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   canvas->slot.expose = event;

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@@ -549,8 +549,10 @@
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 #define REPAINT_CONTROL() \
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   PLACE_COORDS(); \
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-  gtk_layout_move(GTK_LAYOUT(canvas->slot.canvas), self_t->ref, place.ix + place.dx, place.iy + place.dy); \
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-  gtk_widget_set_size_request(self_t->ref, place.iw, place.ih); \
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+  if (CHANGED_COORDS()) { \
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+    gtk_layout_move(GTK_LAYOUT(canvas->slot.canvas), self_t->ref, place.ix + place.dx, place.iy + place.dy); \
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+    gtk_widget_set_size_request(self_t->ref, place.iw, place.ih); \
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+  } \
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   if (canvas->slot.expose != NULL) \
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   { \
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     gtk_container_propagate_expose(GTK_CONTAINER(canvas->slot.canvas), self_t->ref, canvas->slot.expose); \
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@@ -582,9 +584,11 @@
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 #define REPAINT_CONTROL() \
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   HIRect hr; \
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   PLACE_COORDS(); \
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-  hr.origin.x = place.ix + place.dx; hr.origin.y = place.iy + place.dy; \
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-  hr.size.width = place.iw; hr.size.height = place.ih; \
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-  HIViewSetFrame(self_t->ref, &hr);
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+  if (CHANGED_COORDS()) { \
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+    hr.origin.x = place.ix + place.dx; hr.origin.y = place.iy + place.dy; \
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+    hr.size.width = place.iw; hr.size.height = place.ih; \
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+    HIViewSetFrame(self_t->ref, &hr); \
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+  }
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 static CFStringRef
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 shoes_rb2cf(VALUE str)
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@@ -622,7 +626,9 @@
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 #define PLACE_CONTROL() \
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   PLACE_COORDS(); \
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-  MoveWindow(self_t->ref, place.ix + place.dx, place.iy + place.dy, place.iw, place.ih, TRUE)
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+  if (CHANGED_COORDS()) { \
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+    MoveWindow(self_t->ref, place.ix + place.dx, place.iy + place.dy, place.iw, place.ih, TRUE); \
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+  }
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 #define REPAINT_CONTROL() \
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   place.iy -= canvas->slot.scrolly; \