Implement mouse hovering for InsetExternal.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35803 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/insets/InsetExternal.cpp b/src/insets/InsetExternal.cpp
index 7225da7472dd46783ce325a814102b3dba826040..426aee5891405250b8e60c1359ab10d540d51615 100644 (file)
--- a/src/insets/InsetExternal.cpp
+++ b/src/insets/InsetExternal.cpp
@@ -371,6 +371,7 @@ InsetExternal::InsetExternal(Buffer * buf)
 }
 
 
+// Mouse hover is not copied and remains empty
 InsetExternal::InsetExternal(InsetExternal const & other)
        : Inset(other),
          boost::signals::trackable(),
@@ -382,6 +383,19 @@ InsetExternal::InsetExternal(InsetExternal const & other)
 InsetExternal::~InsetExternal()
 {
        hideDialogs("external", this);
+
+       map<BufferView const *, bool>::iterator it = mouse_hover_.begin();
+       map<BufferView const *, bool>::iterator end = mouse_hover_.end();
+       for (; it != end; ++it)
+               if (it->second)
+                       it->first->clearLastInset(this);
+}
+
+
+bool InsetExternal::setMouseHover(BufferView const * bv, bool mouse_hover)
+{
+       mouse_hover_[bv] = mouse_hover;
+       return true;
 }
 
 
@@ -454,6 +468,8 @@ void InsetExternal::metrics(MetricsInfo & mi, Dimension & dim) const
 
 void InsetExternal::draw(PainterInfo & pi, int x, int y) const
 {
+       if (renderer_->asButton())
+               renderer_->setRenderState(mouse_hover_[pi.base.bv]);
        renderer_->draw(pi, x, y);
 }
 

diff --git a/src/insets/InsetExternal.h b/src/insets/InsetExternal.h
index 22c909b0e27b1d62afd176c3447124794c62ad5e..d5a2bc8febe882df11972afab27fc00d8d0af323 100644 (file)
--- a/src/insets/InsetExternal.h
+++ b/src/insets/InsetExternal.h
@@ -113,6 +113,8 @@ public:
        int latex(odocstream &, OutputParams const &) const;
        ///
        docstring contextMenu(BufferView const & bv, int x, int y) const;
+       ///
+       bool setMouseHover(BufferView const * bv, bool mouse_hover);
 
 private:
        ///
@@ -161,6 +163,8 @@ private:
        InsetExternalParams params_;
        /// The thing that actually draws the image on LyX's screen.
        boost::scoped_ptr<RenderBase> renderer_;
+       /// changes color of the button when mouse enters/leaves this inset
+       mutable std::map<BufferView const *, bool> mouse_hover_;
 };
 
 } // namespace lyx