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| /* Copyright (c) 2005 Romain Guy <romain.guy@mac.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
///////////////////////////////////////////////////////////////////////////
// INCLUDES
///////////////////////////////////////////////////////////////////////////
#include "TrinkletGlobalKeys.h"
//////////////////////////////////////////////////////////////////
// GLOBALS
//////////////////////////////////////////////////////////////////
// Dev-C++/mingw/gcc win32
#ifdef _DEVCPP
HHOOK g_hHook __attribute__((section ("shared"), shared)) = NULL;
HINSTANCE g_hInstance __attribute__((section ("shared"), shared)) = NULL;
DWORD g_threadId __attribute__((section ("shared"), shared)) = 0;
// Visual Studio
#else
#pragma comment(linker, "/SECTION:.SHARDATA,RWS")
#pragma data_seg(".SHARDATA")
HHOOK g_hHook = NULL; // handle to the hook
HINSTANCE g_hInstance = NULL; // handle to the current DLL instance
DWORD g_threadId = 0; // handle to application thread ID
#pragma data_seg()
#endif
pTrinkletKeyCodes g_keysConf = NULL; // handle to keys configuration
//////////////////////////////////////////////////////////////////
// HOOKS
//////////////////////////////////////////////////////////////////
// keyboard hook, system wide
LRESULT CALLBACK Trinklet_KeyboardHook(int nCode,
WPARAM wParam,
LPARAM lParam) {
if (nCode == HC_ACTION) {
// Ctrl+Alt+[A key]
// if the key wasn't down before this call, we skip the message
if (GetAsyncKeyState(VK_CONTROL) &&
GetAsyncKeyState(VK_MENU) &&
!(lParam & 0x040000000)) {
CComPtr<IiTunes> app;
HRESULT hr = app.CoCreateInstance(CLSID_iTunesApp);
if (hr == S_OK) {
UINT scanCode = MapVirtualKeyEx(wParam, 0, GetKeyboardLayout(0));
if (g_keysConf == NULL) {
g_keysConf = Trinklet_SetupKeys();
}
if (scanCode == g_keysConf->previous) {
app->PreviousTrack();
} else if (scanCode == g_keysConf->play) {
app->Play();
} else if (scanCode == g_keysConf->pause) {
app->Pause();
} else if (scanCode == g_keysConf->stop) {
app->Stop();
} else if (scanCode == g_keysConf->next) {
app->NextTrack();
} else if (scanCode == g_keysConf->shutdown) {
} else if (scanCode == g_keysConf->exit) {
PostThreadMessage(g_threadId, WM_DESTROY, 0, 0);
}
}
}
}
return CallNextHookEx(g_hHook, nCode, wParam, lParam);
}
// installs the hook
HOOKDLL_API BOOL Trinklet_InstallHook(DWORD threadId) {
if (g_hHook == NULL) {
g_hHook = SetWindowsHookEx(WH_KEYBOARD,
(HOOKPROC) Trinklet_KeyboardHook,
g_hInstance, 0);
g_threadId = threadId;
}
return (BOOL) (g_hHook != NULL);
}
// uninstalls the hook
BOOL HOOKDLL_API Trinklet_UnInstallHook() {
BOOL resultOk = TRUE;
if (g_hHook != NULL) {
resultOk = UnhookWindowsHookEx(g_hHook);
g_hHook = NULL;
}
return resultOk;
}
// handles some special keys like VK_PRIOR and VK_NEXT
SHORT GetKeyProfile(LPSTR name, LPSTR defaultValue, LPSTR iniPath) {
// ... get a key from config
}
// stores the keys configuration
pTrinkletKeyCodes Trinklet_SetupKeys(void) {
// ... loads keys configuration
}
//////////////////////////////////////////////////////////////////
// DLL ENTRY POINT
//////////////////////////////////////////////////////////////////
BOOL APIENTRY DllMain(HINSTANCE hinstDLL,
DWORD fdwReason,
LPVOID lpvReserved) {
g_hInstance = hinstDLL;
return TRUE;
} |
