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Alt shift backtick #14

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Alt shift backtick #14

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cd701de
register two hotkeys
chandlercv Jun 28, 2023
3d19c90
shift+alt+backtick navigates to previous window
chandlercv Jun 29, 2023
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25 changes: 18 additions & 7 deletions AltBacktick.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ int StartBackgroundApp() {

MSG msg;
UINT keyCode = MapVirtualKey(BACKTICK_SCAN_CODE, MAPVK_VSC_TO_VK);
if (!RegisterHotKey(NULL, NULL, MOD_ALT, keyCode)) {
if (!RegisterHotKey(NULL, 1, MOD_ALT, keyCode)) {
DWORD lastError = GetLastError();
if (lastError == ERROR_HOTKEY_ALREADY_REGISTERED) {
MessageBox(
Expand All @@ -25,17 +25,29 @@ int StartBackgroundApp() {
return 0;
}
}
if (!RegisterHotKey(NULL, 2, MOD_ALT | MOD_SHIFT, keyCode)){
DWORD lastError = GetLastError();
if (lastError == ERROR_HOTKEY_ALREADY_REGISTERED) {
MessageBox(
NULL, L"Failed to register the ALT+SHIFT+~ hotkey.\nMake sure no other application is already binding to it.",
L"Failed to register hotkey", MB_ICONEXCLAMATION);
return 0;
}
}

WindowFinder windowFinder;
HWND lastWindow = nullptr;

while (GetMessage(&msg, nullptr, 0, 0)) {
if (msg.message == WM_HOTKEY) {
std::vector<HWND> windows = windowFinder.FindCurrentProcessWindows();
HWND windowToFocus = nullptr;
for (const HWND &window : windows) {
if (window != lastWindow || windows.size() == 1) {
windowToFocus = window;
}
if (windows.size() < 1) {
continue;
}
if (msg.lParam & MOD_SHIFT){
windowToFocus = windows[0];
} else {
windowToFocus = *--windows.end();
}

if (windowToFocus != nullptr) {
Expand All @@ -45,7 +57,6 @@ int StartBackgroundApp() {
ShowWindow(windowToFocus, SW_RESTORE);
}
SetForegroundWindow(windowToFocus);
lastWindow = windowToFocus;
}
}
}
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