From be675587812c27fac9838af844f8ecb44703ff08 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 30 Mar 2013 22:02:20 +0100
Subject: Implemented new mouseLeave/Enter Events. Use for buttons.

---
 plugingui/button.cc       | 16 ++++++++++++++++
 plugingui/button.h        |  3 +++
 plugingui/eventhandler.cc |  9 +++++++++
 plugingui/widget.h        |  3 +++
 4 files changed, 31 insertions(+)

(limited to 'plugingui')

diff --git a/plugingui/button.cc b/plugingui/button.cc
index 05d16a2..2370f29 100644
--- a/plugingui/button.cc
+++ b/plugingui/button.cc
@@ -29,6 +29,7 @@
 #include "painter.h"
 
 #include <stdio.h>
+#include <hugin.hpp>
 
 GUI::Button::Button(Widget *parent)
   : GUI::Widget(parent)
@@ -110,6 +111,21 @@ void GUI::Button::setText(std::string text)
   repaintEvent(NULL);
 }
 
+void GUI::Button::mouseLeaveEvent()
+{
+  DEBUG(button, "Leave\n");
+  if(state == down) {
+    state = up;
+    repaintEvent(NULL);
+  }
+}
+
+void GUI::Button::mouseEnterEvent()
+{
+  DEBUG(button, "Enter\n");
+}
+
+
 #ifdef TEST_BUTTON
 //Additional dependency files
 //deps:
diff --git a/plugingui/button.h b/plugingui/button.h
index f39f24f..89cabf5 100644
--- a/plugingui/button.h
+++ b/plugingui/button.h
@@ -50,6 +50,9 @@ public:
   virtual void repaintEvent(RepaintEvent *e);
   virtual void buttonEvent(ButtonEvent *e);
 
+  virtual void mouseLeaveEvent();
+  virtual void mouseEnterEvent();
+
 private:
   Painter::Box box_up;
   Painter::Box box_down;
diff --git a/plugingui/eventhandler.cc b/plugingui/eventhandler.cc
index 1cf67fc..050c2e1 100644
--- a/plugingui/eventhandler.cc
+++ b/plugingui/eventhandler.cc
@@ -447,6 +447,15 @@ void GUI::EventHandler::processEvents(Window *window)
         MouseMoveEvent *me = (MouseMoveEvent*)event;
 
         Widget *w = window->find(me->x, me->y);
+        Widget *oldw = window->mouseFocus();
+        if(w != oldw) {
+          // Send focus leave to oldw
+          if(oldw) oldw->mouseLeaveEvent();
+          // Send focus enter to w
+          if(w) w->mouseEnterEvent();
+
+          window->setMouseFocus(w);
+        }
 
         if(window->buttonDownFocus()) {
           Widget *w = window->buttonDownFocus();
diff --git a/plugingui/widget.h b/plugingui/widget.h
index 34cdaee..47c374e 100644
--- a/plugingui/widget.h
+++ b/plugingui/widget.h
@@ -66,6 +66,9 @@ public:
   virtual void scrollEvent(ScrollEvent *e) {}
   virtual void keyEvent(KeyEvent *e) {}
 
+  virtual void mouseLeaveEvent() {}
+  virtual void mouseEnterEvent() {}
+
   Widget *find(size_t x, size_t y);
 
   virtual Window *window();
-- 
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