Fix STR #2462.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7935 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Tooltip.H

@@ -83,6 +83,10 @@ public:
   static Fl_Color textcolor() { return textcolor_; }
   /** Sets the color of the text in the tooltip. The default is  black. */
   static void textcolor(Fl_Color c) { textcolor_ = c; }
+#ifdef __APPLE__
+  // the unique tooltip window
+  static Fl_Window* current_window(void);
+#endif
 
   // These should not be public, but Fl_Widget::tooltip() needs them...
   // fabien: made it private with only a friend function access

src/Fl.cxx

@@ -1042,8 +1042,24 @@ int Fl::handle(int e, Fl_Window* window)
     }
     if (modal() && wi != modal()) wi = 0;
     if (grab()) wi = grab();
-    {Fl_Widget* pbm = belowmouse();
-    int ret = (wi && send(e, wi, window));
+    { int ret;
+      Fl_Widget* pbm = belowmouse();
+#ifdef __APPLE__
+      if (fl_mac_os_version < 0x1050) {
+        // before 10.5, mouse moved events aren't sent to borderless windows such as tooltips
+	Fl_Window *tooltip = Fl_Tooltip::current_window();
+	int inside = 0;
+	if (tooltip && tooltip->shown() ) { // check if a tooltip window is currently opened
+	  // check if mouse is inside the tooltip
+	  inside = (Fl::event_x_root() >= tooltip->x() && Fl::event_x_root() < tooltip->x() + tooltip->w() &&
+	  Fl::event_y_root() >= tooltip->y() && Fl::event_y_root() < tooltip->y() + tooltip->h() );
+	}
+	// if inside, send event to tooltip window instead of background window
+	if (inside) ret = send(e, tooltip, window);
+	else ret = (wi && send(e, wi, window));
+      } else
+#endif
+      ret = (wi && send(e, wi, window));
    if (pbm != belowmouse()) {
 #ifdef DEBUG
       printf("Fl::handle(e=%d, window=%p);\n", e, window);

src/Fl_Tooltip.cxx

@@ -67,6 +67,14 @@ Fl_Widget* Fl_Tooltip::widget_ = 0;
 static Fl_TooltipBox *window = 0;
 static int Y,H;
 
+#ifdef __APPLE__
+// returns the unique tooltip window
+Fl_Window *Fl_Tooltip::current_window(void)
+{
+  return (Fl_Window*)window;
+}
+#endif
+
 void Fl_TooltipBox::layout() {
   fl_font(Fl_Tooltip::font(), Fl_Tooltip::size());
   int ww, hh;

src/Fl_cocoa.mm

@@ -614,7 +614,6 @@ static void do_timer(CFRunLoopTimerRef timer, void* data)
 - (BOOL)windowShouldClose:(FLWindow *)w;
 - (BOOL)containsGLsubwindow;
 - (void)setContainsGLsubwindow:(BOOL)contains;
-- (BOOL)canBecomeKeyWindow;
 @end
 
 @implementation FLWindow
@@ -651,16 +650,6 @@ static void do_timer(CFRunLoopTimerRef timer, void* data)
 {
   containsGLsubwindow = contains;
 }
-- (BOOL)canBecomeKeyWindow
-{
-  // before 10.5, the default impl of canBecomeKeyWindow is not OK for tooltip windows
-  // we return YES for these windows
-  BOOL retval;
-  Fl_Window *flw = (Fl_Window*)[self getFl_Window];
-  if(fl_mac_os_version < 0x1050 && flw->tooltip_window()) retval = YES;
-  else retval = [super canBecomeKeyWindow];
-  return retval;
-}
 @end
 
 /*
@@ -1666,6 +1655,7 @@ static void  q_set_window_title(NSWindow *nsw, const char * name ) {
 - (void)mouseDown:(NSEvent *)theEvent;
 - (void)rightMouseDown:(NSEvent *)theEvent;
 - (void)otherMouseDown:(NSEvent *)theEvent;
+- (void)mouseMoved:(NSEvent *)theEvent;
 - (void)mouseDragged:(NSEvent *)theEvent;
 - (void)rightMouseDragged:(NSEvent *)theEvent;
 - (void)otherMouseDragged:(NSEvent *)theEvent;