Add virtual bool Inset::clickable(..) to be used to change the cursor.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35804 a592a061-630c-0410-9148-cb99ea01b6c8

src/insets/Inset.h

@@ -335,6 +335,8 @@ public:
 	/// FIXME: merge with editable()
 	// true for InsetTabular & InsetText
 	virtual bool isActive() const { return nargs() > 0; }
+	/// can we click at the specified position ?
+	virtual bool clickable(int x, int y) const { return false; }
 
 	/// does this contain text that can be change track marked in DVI?
 	virtual bool canTrackChanges() const { return false; }

src/insets/InsetCollapsable.cpp

@@ -411,6 +411,13 @@ bool InsetCollapsable::hitButton(FuncRequest const & cmd) const
 }
 
 
+bool InsetCollapsable::clickable(int x, int y) const
+{
+	FuncRequest cmd(LFUN_NOACTION, x, y, mouse_button::none);
+	return hitButton(cmd);
+}
+
+
 docstring const InsetCollapsable::getNewLabel(docstring const & l) const
 {
 	docstring label;

src/insets/InsetCollapsable.h

@@ -68,6 +68,8 @@ public:
 	bool editable() const;
 	///
 	bool hasSettings() const { return true; }
+	///
+	bool clickable(int x, int y) const;
 	/// can we go further down on mouse click?
 	bool descendable(BufferView const & bv) const;
 	///

src/insets/InsetCommand.h

@@ -99,6 +99,8 @@ private:
 	///
 	InsetCode lyxCode() const { return NO_CODE; }
 	///
+	bool clickable(int x, int y) const { return hasSettings(); }
+	///
 	RenderButton & button() const { return button_; }
 	///
 	bool setMouseHover(BufferView const * bv, bool mouse_hover) const;

src/insets/InsetExternal.h

@@ -115,7 +115,8 @@ public:
 	docstring contextMenu(BufferView const & bv, int x, int y) const;
 	///
 	bool setMouseHover(BufferView const * bv, bool mouse_hover);
-
+	///
+	bool clickable(int x, int y) const { return true; }
 private:
 	///
 	InsetExternal(InsetExternal const &);

src/insets/InsetGraphics.h

@@ -51,6 +51,8 @@ public:
 	bool setParams(InsetGraphicsParams const & params);
 
 	InsetGraphicsParams getParams() const { return params_;}
+	///
+	bool clickable(int x, int y) const { return true; }
 
 private:
 	///

src/insets/InsetSpace.h

@@ -147,6 +147,8 @@ public:
 	bool isSpace() const { return true; }
 	///
 	docstring contextMenu(BufferView const & bv, int x, int y) const;
+	///
+	bool clickable(int x, int y) const { return true; }
 protected:
 	///
 	Inset * clone() const { return new InsetSpace(*this); }

src/insets/InsetVSpace.h

@@ -37,6 +37,8 @@ public:
 	static void string2params(std::string const &, VSpace &);
 	///
 	static std::string params2string(VSpace const &);
+	///
+	bool clickable(int x, int y) const { return true; }
 private:
 	///
 	void metrics(MetricsInfo & mi, Dimension & dim) const;