- Add CefHandler::HandleTooltip and default tooltip implementation (issue #61).

- Add Common Controls to cefclient manifest because it's required for the default tooltip implementation.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@96 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tests/cefclient/cefclient.cpp

@@ -36,6 +36,11 @@ BOOL				InitInstance(HINSTANCE, int);
 LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
 INT_PTR CALLBACK	About(HWND, UINT, WPARAM, LPARAM);
 
+#ifdef _WIN32
+// Add Common Controls to the application manifest because it's required to
+// support the default tooltip implementation.
+#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
+#endif
 
 // Program entry point function.
 int APIENTRY wWinMain(HINSTANCE hInstance,
@@ -518,6 +523,17 @@ public:
     return RV_CONTINUE;
   }
 
+  // Event called when the browser is about to display a tooltip.  |text|
+  // contains the text that will be displayed in the tooltip.  To handle
+  // the display of the tooltip yourself return RV_HANDLED.  Otherwise,
+  // you can optionally modify |text| and then return RV_CONTINUE to allow
+  // the browser to display the tooltip.
+  virtual RetVal HandleTooltip(CefRefPtr<CefBrowser> browser,
+                               std::wstring& text)
+  {
+    return RV_CONTINUE;
+  }
+
   // Called when the browser component receives a keyboard event.
   // |type| is the type of keyboard event (see |KeyEventType|).
   // |code| is the windows scan-code for the event.