check that the version of __sync_sub_and_fetch that returns a value is supported...

[wxWidgets.git] / src / msw / taskbar.cpp

diff --git a/src/msw/taskbar.cpp b/src/msw/taskbar.cpp
index be935781d7747a66bad02bce9ca90475791d9755..83aef42cde8cb73f565a636a90ecffa0c8dd6b8b 100644 (file)
--- a/src/msw/taskbar.cpp
+++ b/src/msw/taskbar.cpp
@@ -32,6 +32,11 @@
 #include "wx/taskbar.h"
 #include "wx/dynlib.h"
 
+#ifndef NIN_BALLOONTIMEOUT
+    #define NIN_BALLOONTIMEOUT      0x0404
+    #define NIN_BALLOONUSERCLICK    0x0405
+#endif
+
 // initialized on demand
 static UINT gs_msgTaskbar = 0;
 static UINT gs_msgRestartTaskbar = 0;
@@ -143,11 +148,17 @@ wxTaskBarIcon::wxTaskBarIcon()
 
 wxTaskBarIcon::~wxTaskBarIcon()
 {
-    if (m_iconAdded)
+    if ( m_iconAdded )
         RemoveIcon();
 
-    if (m_win)
-        m_win->Destroy();
+    if ( m_win )
+    {
+        // we must use delete and not Destroy() here because the latter will
+        // only schedule the window to be deleted during the next idle event
+        // processing but we may not get any idle events if there are no other
+        // windows left in the program
+        delete m_win;
+    }
 }
 
 // Operations
@@ -198,7 +209,19 @@ wxTaskBarIcon::ShowBalloon(const wxString& title,
     wxCHECK_MSG( m_iconAdded, false,
                     _T("can't be used before the icon is created") );
 
-    NotifyIconData notifyData(GetHwndOf(m_win));
+    const HWND hwnd = GetHwndOf(m_win);
+
+    // we need to enable version 5.0 behaviour to receive notifications about
+    // the balloon disappearance
+    NotifyIconData notifyData(hwnd);
+    notifyData.uFlags = 0;
+    notifyData.uVersion = 3 /* NOTIFYICON_VERSION for Windows XP */;
+
+    wxShellNotifyIcon(NIM_SETVERSION, &notifyData);
+
+
+    // do show the balloon now
+    notifyData = NotifyIconData(hwnd);
     notifyData.uFlags |= NIF_INFO;
     notifyData.uTimeout = msec;
     wxStrncpy(notifyData.szInfo, text.wx_str(), WXSIZEOF(notifyData.szInfo));
@@ -289,9 +312,7 @@ long wxTaskBarIcon::WindowProc(unsigned int msg,
                                unsigned int WXUNUSED(wParam),
                                long lParam)
 {
-    wxEventType eventType = 0;
-
-    if (msg == gs_msgRestartTaskbar)   // does the icon need to be redrawn?
+    if ( msg == gs_msgRestartTaskbar )   // does the icon need to be redrawn?
     {
         m_iconAdded = false;
         SetIcon(m_icon, m_strTooltip);
@@ -299,9 +320,10 @@ long wxTaskBarIcon::WindowProc(unsigned int msg,
     }
 
     // this function should only be called for gs_msg(Restart)Taskbar messages
-    wxASSERT(msg == gs_msgTaskbar);
+    wxASSERT( msg == gs_msgTaskbar );
 
-    switch (lParam)
+    wxEventType eventType = 0;
+    switch ( lParam )
     {
         case WM_LBUTTONDOWN:
             eventType = wxEVT_TASKBAR_LEFT_DOWN;
@@ -331,11 +353,16 @@ long wxTaskBarIcon::WindowProc(unsigned int msg,
             eventType = wxEVT_TASKBAR_MOVE;
             break;
 
-        default:
+        case NIN_BALLOONTIMEOUT:
+            eventType = wxEVT_TASKBAR_BALLOON_TIMEOUT;
+            break;
+
+        case NIN_BALLOONUSERCLICK:
+            eventType = wxEVT_TASKBAR_BALLOON_CLICK;
             break;
     }
 
-    if (eventType)
+    if ( eventType )
     {
         wxTaskBarIconEvent event(eventType, this);