have pointing cursor when hovering something clickable

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35806 a592a061-630c-0410-9148-cb99ea01b6c8

src/BufferView.cpp

@@ -220,7 +220,8 @@ struct BufferView::Private
 	Private(BufferView & bv): wh_(0), cursor_(bv),
 		anchor_pit_(0), anchor_ypos_(0),
 		inlineCompletionUniqueChars_(0),
-		last_inset_(0), mouse_position_cache_(),
+		last_inset_(0), clickable_inset_(false), 
+		mouse_position_cache_(),
 		bookmark_edit_position_(-1), gui_(0)
 	{}
 
@@ -263,6 +264,8 @@ struct BufferView::Private
 	  * Not owned, so don't delete.
 	  */
 	Inset * last_inset_;
+	/// are we hovering something that we can click
+	bool clickable_inset_;
 
 	/// position of the mouse at the time of the last mouse move
 	/// This is used to update the hovering status of inset in
@@ -1959,8 +1962,12 @@ Inset const * BufferView::getCoveringInset(Text const & text,
 void BufferView::updateHoveredInset() const
 {
 	// Get inset under mouse, if there is one.
-	Inset const * covering_inset = getCoveringInset(buffer_.text(),
-			d->mouse_position_cache_.x_, d->mouse_position_cache_.y_);
+	int const x = d->mouse_position_cache_.x_;
+	int const y = d->mouse_position_cache_.y_;
+	Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
+
+	d->clickable_inset_ = covering_inset && covering_inset->clickable(x, y);
+
 	if (covering_inset == d->last_inset_)
 		// Same inset, no need to do anything...
 		return;
@@ -2888,4 +2895,10 @@ void BufferView::setInlineCompletion(Cursor & cur, DocIterator const & pos,
 	}
 }
 
+
+bool BufferView::clickableInset() const
+{ 
+	return d->clickable_inset_; 
+}
+
 } // namespace lyx

src/BufferView.h

@@ -311,6 +311,8 @@ public:
 	void editInset(std::string const & name, Inset * inset);
 	///
 	void clearLastInset(Inset * inset) const;
+	/// Is the mouse hovering a clickable inset or element?
+	bool clickableInset() const;
 
 private:
 	/// noncopyable

src/frontends/qt4/GuiWorkArea.cpp

@@ -527,6 +527,9 @@ void GuiWorkArea::dispatch(FuncRequest const & cmd0, KeyModifier mod)
 		// Show the cursor immediately after any operation
 		startBlinkingCursor();
 	}
+
+	setCursorShape(buffer_view_->clickableInset() 
+		? Qt::PointingHandCursor : Qt::IBeamCursor);
 }