Merge pull request livecode#3886 from livecodeian/bugfix-17347

peter-b · peter-b · commit eeb83a69af68 · 2016-04-11T16:20:32.000+01:00
[[ Bug 17347 ]] Fix browser widget clipped after card resize
diff --git a/docs/notes/bugfix-17347.md b/docs/notes/bugfix-17347.md
@@ -0,0 +1 @@
+# Browser: fix browser appearing clipped after card resize.
diff --git a/engine/src/card.cpp b/engine/src/card.cpp
@@ -2027,6 +2027,35 @@ Exec_stat MCCard::relayer(MCControl *optr, uint2 newlayer)
 	return ES_NORMAL;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+
+struct ViewportChangedVisitor: public MCObjectVisitor
+{
+	MCRectangle m_viewport_rect;
+
+	ViewportChangedVisitor(const MCRectangle &p_viewport_rect)
+		: m_viewport_rect(p_viewport_rect)
+	{
+	}
+
+	bool OnObject(MCObject *p_object)
+	{
+		p_object->viewportgeometrychanged(m_viewport_rect);
+		return true;
+	}
+};
+
+void MCCard::geometrychanged(const MCRectangle &p_rect)
+{
+	MCObject::geometrychanged(p_rect);
+
+	// notify children of viewport change
+	ViewportChangedVisitor t_visitor(p_rect);
+	visit_children(kMCObjectVisitorHeirarchical, 0, &t_visitor);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 MCCard *MCCard::findname(Chunk_term type, MCNameRef inname)
 {
    // MCNewAutoNameRef t_name;
@@ -2826,6 +2855,8 @@ void MCCard::resize(uint2 width, uint2 height)
 	rect.x = rect.y = 0;
 	rect.width = width;
 	rect.height = height;
+
+	geometrychanged(rect);
 }
 
 MCImage *MCCard::createimage()
diff --git a/engine/src/card.h b/engine/src/card.h
@@ -108,6 +108,8 @@ class MCCard : public MCObject
 	virtual void relayercontrol_remove(MCControl *control);
 	virtual void relayercontrol_insert(MCControl *control, MCControl *target);
 
+	virtual void geometrychanged(const MCRectangle &p_rect);
+
     virtual void scheduledelete(bool p_is_child);
     
 	void draw(MCDC *dc, const MCRectangle &dirty, bool p_isolated);

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+# Browser: fix browser appearing clipped after card resize.`