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Workaround for keypresses in plugins in Ableton live.

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This commit is contained in:
jules 2013-04-25 15:57:48 +01:00
parent ce3ecc752b
commit ee2f57ce88
1 changed files with 50 additions and 0 deletions
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50
modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
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@ -206,6 +206,52 @@ namespace
}
}
//==============================================================================
static HHOOK keyboardHook = 0;
static int keyboardHookUsers = 0;
LRESULT CALLBACK keyboardHookCallback (int nCode, WPARAM wParam, LPARAM lParam)
{
if (nCode == 0)
{
const MSG& msg = *(const MSG*) lParam;
if (msg.message == WM_CHAR)
{
Desktop& desktop = Desktop::getInstance();
HWND focused = GetFocus();
for (int i = desktop.getNumComponents(); --i >= 0;)
{
if ((HWND) desktop.getComponent (i)->getWindowHandle() == focused)
{
SendMessage (focused, msg.message, msg.wParam, msg.lParam);
break;
}
}
}
}
return CallNextHookEx (mouseWheelHook, nCode, wParam, lParam);
}
void registerKeyboardHook()
{
if (keyboardHookUsers++ == 0)
keyboardHook = SetWindowsHookEx (WH_GETMESSAGE, keyboardHookCallback,
(HINSTANCE) Process::getCurrentModuleInstanceHandle(),
GetCurrentThreadId());
}
void unregisterKeyboardHook()
{
if (--keyboardHookUsers == 0 && keyboardHook != 0)
{
UnhookWindowsHookEx (keyboardHook);
keyboardHook = 0;
}
}
#if JUCE_WINDOWS
static bool messageThreadIsDefinitelyCorrect = false;
#endif
@ -1291,6 +1337,9 @@ public:
addMouseListener (this, true);
registerMouseWheelHook();
if (PluginHostType().isAbletonLive())
registerKeyboardHook();
#endif
}
@ -1298,6 +1347,7 @@ public:
{
#if JUCE_WINDOWS
unregisterMouseWheelHook();
unregisterKeyboardHook();
#endif
deleteAllChildren(); // note that we can't use a ScopedPointer because the editor may