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PowerToys/src/modules/keyboardmanager/dll/KeyboardEventHandlers.cpp

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KBM - Set treat warnings as errors, and clean up the dllmain.cpp file (#3203) * Add test proj, refactor proj with filters, and move single remap function to a separate header * Moved all methods to header files * remove more unused commented code * Undo test project addition * Treat warnings as errors
2020-05-29 05:47:32 +08:00
#include "pch.h"
#include "KeyboardEventHandlers.h"
namespace KeyboardEventHandlers
{
// Function to a handle a single key remap
intptr_t HandleSingleKeyRemapEvent(LowlevelKeyboardEvent* data, KeyboardManagerState& keyboardManagerState) noexcept
{
// Check if the key event was generated by KeyboardManager to avoid remapping events generated by us.
if (!(data->lParam->dwExtraInfo & CommonSharedConstants::KEYBOARDMANAGER_INJECTED_FLAG))
{
// The mutex should be unlocked before SendInput is called to avoid re-entry into the same mutex. More details can be found at https://github.com/microsoft/PowerToys/pull/1789#issuecomment-607555837
std::unique_lock<std::mutex> lock(keyboardManagerState.singleKeyReMap_mutex);
auto it = keyboardManagerState.singleKeyReMap.find(data->lParam->vkCode);
if (it != keyboardManagerState.singleKeyReMap.end())
{
// If mapped to 0x0 then the key is disabled
if (it->second == 0x0)
{
return 1;
}
int key_count = 1;
LPINPUT keyEventList = new INPUT[size_t(key_count)]();
memset(keyEventList, 0, sizeof(keyEventList));
// Handle remaps to VK_WIN_BOTH
DWORD target = it->second;
// If a key is remapped to VK_WIN_BOTH, we send VK_LWIN instead
if (target == CommonSharedConstants::VK_WIN_BOTH)
{
target = VK_LWIN;
}
if (data->wParam == WM_KEYUP || data->wParam == WM_SYSKEYUP)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, 0, INPUT_KEYBOARD, (WORD)target, KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SINGLEKEY_FLAG);
}
else
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, 0, INPUT_KEYBOARD, (WORD)target, 0, KeyboardManagerConstants::KEYBOARDMANAGER_SINGLEKEY_FLAG);
}
lock.unlock();
UINT res = SendInput(key_count, keyEventList, sizeof(INPUT));
delete[] keyEventList;
return 1;
}
}
return 0;
}
// Function to a change a key's behavior from toggle to modifier
intptr_t HandleSingleKeyToggleToModEvent(LowlevelKeyboardEvent* data, KeyboardManagerState& keyboardManagerState) noexcept
{
// Check if the key event was generated by KeyboardManager to avoid remapping events generated by us.
if (!(data->lParam->dwExtraInfo & CommonSharedConstants::KEYBOARDMANAGER_INJECTED_FLAG))
{
// The mutex should be unlocked before SendInput is called to avoid re-entry into the same mutex. More details can be found at https://github.com/microsoft/PowerToys/pull/1789#issuecomment-607555837
std::unique_lock<std::mutex> lock(keyboardManagerState.singleKeyToggleToMod_mutex);
auto it = keyboardManagerState.singleKeyToggleToMod.find(data->lParam->vkCode);
if (it != keyboardManagerState.singleKeyToggleToMod.end())
{
// To avoid long presses (which leads to continuous keydown messages) from toggling the key on and off
if (data->wParam == WM_KEYDOWN || data->wParam == WM_SYSKEYDOWN)
{
if (it->second == false)
{
keyboardManagerState.singleKeyToggleToMod[data->lParam->vkCode] = true;
}
else
{
lock.unlock();
return 1;
}
}
int key_count = 2;
LPINPUT keyEventList = new INPUT[size_t(key_count)]();
memset(keyEventList, 0, sizeof(keyEventList));
KeyboardManagerHelper::SetKeyEvent(keyEventList, 0, INPUT_KEYBOARD, (WORD)data->lParam->vkCode, 0, KeyboardManagerConstants::KEYBOARDMANAGER_SINGLEKEY_FLAG);
KeyboardManagerHelper::SetKeyEvent(keyEventList, 1, INPUT_KEYBOARD, (WORD)data->lParam->vkCode, KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SINGLEKEY_FLAG);
lock.unlock();
UINT res = SendInput(key_count, keyEventList, sizeof(INPUT));
delete[] keyEventList;
// Reset the long press flag when the key has been lifted.
if (data->wParam == WM_KEYUP || data->wParam == WM_SYSKEYUP)
{
lock.lock();
keyboardManagerState.singleKeyToggleToMod[data->lParam->vkCode] = false;
lock.unlock();
}
return 1;
}
}
return 0;
}
// Function to a handle a shortcut remap
intptr_t HandleShortcutRemapEvent(LowlevelKeyboardEvent* data, std::map<Shortcut, RemapShortcut>& reMap, std::mutex& map_mutex) noexcept
{
// The mutex should be unlocked before SendInput is called to avoid re-entry into the same mutex. More details can be found at https://github.com/microsoft/PowerToys/pull/1789#issuecomment-607555837
std::unique_lock<std::mutex> lock(map_mutex);
for (auto& it : reMap)
{
const size_t src_size = it.first.Size();
const size_t dest_size = it.second.targetShortcut.Size();
// If the shortcut has been pressed down
if (!it.second.isShortcutInvoked && it.first.CheckModifiersKeyboardState())
{
if (data->lParam->vkCode == it.first.GetActionKey() && (data->wParam == WM_KEYDOWN || data->wParam == WM_SYSKEYDOWN))
{
// Check if any other keys have been pressed apart from the shortcut. If true, then check for the next shortcut
if (!it.first.IsKeyboardStateClearExceptShortcut())
{
continue;
}
size_t key_count;
LPINPUT keyEventList;
// Remember which win key was pressed initially
if (GetAsyncKeyState(VK_RWIN) & 0x8000)
{
it.second.winKeyInvoked = ModifierKey::Right;
}
else if (GetAsyncKeyState(VK_LWIN) & 0x8000)
{
it.second.winKeyInvoked = ModifierKey::Left;
}
// Get the common keys between the two shortcuts
int commonKeys = it.first.GetCommonModifiersCount(it.second.targetShortcut);
// If the original shortcut modifiers are a subset of the new shortcut
if (commonKeys == src_size - 1)
{
// key down for all new shortcut keys except the common modifiers
key_count = dest_size - commonKeys;
keyEventList = new INPUT[key_count]();
memset(keyEventList, 0, sizeof(keyEventList));
int i = 0;
if ((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) && it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) && it.second.targetShortcut.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetCtrlKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) && it.second.targetShortcut.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetAltKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) && it.second.targetShortcut.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetShiftKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetActionKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
else
{
// Dummy key, key up for all the original shortcut modifier keys and key down for all the new shortcut keys but common keys in each are not repeated
key_count = 1 + (src_size - 1) + (dest_size) - (2 * (size_t)commonKeys);
keyEventList = new INPUT[key_count]();
memset(keyEventList, 0, sizeof(keyEventList));
// Send dummy key
int i = 0;
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)KeyboardManagerConstants::DUMMY_KEY, KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
// Release original shortcut state (release in reverse order of shortcut to be accurate)
if ((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) && it.first.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetShiftKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) && it.first.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetAltKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) && it.first.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetCtrlKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) && it.first.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetWinKey(it.second.winKeyInvoked), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
// Set new shortcut key down state
if ((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) && it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) && it.second.targetShortcut.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetCtrlKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) && it.second.targetShortcut.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetAltKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) && it.second.targetShortcut.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetShiftKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetActionKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
it.second.isShortcutInvoked = true;
lock.unlock();
UINT res = SendInput((UINT)key_count, keyEventList, sizeof(INPUT));
delete[] keyEventList;
return 1;
}
}
// The shortcut has already been pressed down at least once, i.e. the shortcut has been invoked
// There are 4 cases to be handled if the shortcut has been pressed down
// 1. The user lets go of one of the modifier keys - reset the keyboard back to the state of the keys actually being pressed down
// 2. The user keeps the shortcut pressed - the shortcut is repeated (for example you could hold down Ctrl+V and it will keep pasting)
// 3. The user lets go of the action key - reset the keyboard back to the state of the keys actually being pressed down
// 4. The user presses another key while holding the shortcut down - the system now sees all the new shortcut keys and this extra key pressed at the end. Not handled as resetting the state would trigger the original shortcut once more
else if (it.second.isShortcutInvoked)
{
// Get the common keys between the two shortcuts
int commonKeys = it.first.GetCommonModifiersCount(it.second.targetShortcut);
// Case 1: If any of the modifier keys of the original shortcut are released before the normal key
if ((it.first.CheckWinKey(data->lParam->vkCode) || it.first.CheckCtrlKey(data->lParam->vkCode) || it.first.CheckAltKey(data->lParam->vkCode) || it.first.CheckShiftKey(data->lParam->vkCode)) && (data->wParam == WM_KEYUP || data->wParam == WM_SYSKEYUP))
{
// Release new shortcut, and set original shortcut keys except the one released
size_t key_count;
// if the released key is present in both shortcuts' modifiers (i.e part of the common modifiers)
if (it.second.targetShortcut.CheckWinKey(data->lParam->vkCode) || it.second.targetShortcut.CheckCtrlKey(data->lParam->vkCode) || it.second.targetShortcut.CheckAltKey(data->lParam->vkCode) || it.second.targetShortcut.CheckShiftKey(data->lParam->vkCode))
{
// release all new shortcut keys and the common released modifier except the other common modifiers, and add all original shortcut modifiers except the common ones
key_count = (dest_size - commonKeys + 1) + (src_size - 1 - commonKeys);
}
else
{
// release all new shortcut keys except the common modifiers and add all original shortcut modifiers except the common ones
key_count = dest_size + (src_size - 2) - (2 * (size_t)commonKeys);
}
LPINPUT keyEventList = new INPUT[key_count]();
memset(keyEventList, 0, sizeof(keyEventList));
// Release new shortcut state (release in reverse order of shortcut to be accurate)
int i = 0;
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetActionKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
if (((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) || (it.second.targetShortcut.CheckShiftKey(data->lParam->vkCode))) && it.second.targetShortcut.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetShiftKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if (((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) || (it.second.targetShortcut.CheckAltKey(data->lParam->vkCode))) && it.second.targetShortcut.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetAltKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if (((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) || (it.second.targetShortcut.CheckCtrlKey(data->lParam->vkCode))) && it.second.targetShortcut.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetCtrlKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if (((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) || (it.second.targetShortcut.CheckWinKey(data->lParam->vkCode))) && it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
// Set original shortcut key down state except the action key and the released modifier
if ((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) && (!it.first.CheckWinKey(data->lParam->vkCode)) && it.first.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetWinKey(it.second.winKeyInvoked), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) && (!it.first.CheckCtrlKey(data->lParam->vkCode)) && it.first.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetCtrlKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) && (!it.first.CheckAltKey(data->lParam->vkCode)) && it.first.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetAltKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) && (!it.first.CheckShiftKey(data->lParam->vkCode)) && it.first.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetShiftKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
it.second.isShortcutInvoked = false;
it.second.winKeyInvoked = ModifierKey::Disabled;
lock.unlock();
UINT res = SendInput((UINT)key_count, keyEventList, sizeof(INPUT));
delete[] keyEventList;
return 1;
}
// The system will see the modifiers of the new shortcut as being held down because of the shortcut remap
if (it.second.targetShortcut.CheckModifiersKeyboardState())
{
// Case 2: If the original shortcut is still held down the keyboard will get a key down message of the action key in the original shortcut and the new shortcut's modifiers will be held down (keys held down send repeated keydown messages)
if (data->lParam->vkCode == it.first.GetActionKey() && (data->wParam == WM_KEYDOWN || data->wParam == WM_SYSKEYDOWN))
{
size_t key_count = 1;
LPINPUT keyEventList = new INPUT[key_count]();
memset(keyEventList, 0, sizeof(keyEventList));
KeyboardManagerHelper::SetKeyEvent(keyEventList, 0, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetActionKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
it.second.isShortcutInvoked = true;
lock.unlock();
UINT res = SendInput((UINT)key_count, keyEventList, sizeof(INPUT));
delete[] keyEventList;
return 1;
}
// Case 3: If the action key is released from the original shortcut then revert the keyboard state to just the original modifiers being held down
if (data->lParam->vkCode == it.first.GetActionKey() && (data->wParam == WM_KEYUP || data->wParam == WM_SYSKEYUP))
{
size_t key_count;
LPINPUT keyEventList;
// If the original shortcut is a subset of the new shortcut
if (commonKeys == src_size - 1)
{
key_count = dest_size - commonKeys;
keyEventList = new INPUT[key_count]();
memset(keyEventList, 0, sizeof(keyEventList));
int i = 0;
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetActionKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
if ((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) && it.second.targetShortcut.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetShiftKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) && it.second.targetShortcut.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetAltKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) && it.second.targetShortcut.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetCtrlKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) && it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
}
else
{
// Key up for all new shortcut keys, key down for original shortcut modifiers and dummy key but common keys aren't repeated
key_count = (dest_size) + (src_size - 1) + 1 - (2 * (size_t)commonKeys);
keyEventList = new INPUT[key_count]();
memset(keyEventList, 0, sizeof(keyEventList));
// Release new shortcut state (release in reverse order of shortcut to be accurate)
int i = 0;
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetActionKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
if ((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) && it.second.targetShortcut.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetShiftKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) && it.second.targetShortcut.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetAltKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) && it.second.targetShortcut.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetCtrlKey(), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) && it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked), KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
// Set old shortcut key down state
if ((it.second.targetShortcut.GetWinKey(it.second.winKeyInvoked) != it.first.GetWinKey(it.second.winKeyInvoked)) && it.first.GetWinKey(it.second.winKeyInvoked) != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetWinKey(it.second.winKeyInvoked), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetCtrlKey() != it.first.GetCtrlKey()) && it.first.GetCtrlKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetCtrlKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetAltKey() != it.first.GetAltKey()) && it.first.GetAltKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetAltKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
if ((it.second.targetShortcut.GetShiftKey() != it.first.GetShiftKey()) && it.first.GetShiftKey() != NULL)
{
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)it.first.GetShiftKey(), 0, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
// Send dummy key
KeyboardManagerHelper::SetKeyEvent(keyEventList, i, INPUT_KEYBOARD, (WORD)KeyboardManagerConstants::DUMMY_KEY, KEYEVENTF_KEYUP, KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG);
i++;
}
it.second.isShortcutInvoked = false;
it.second.winKeyInvoked = ModifierKey::Disabled;
lock.unlock();
UINT res = SendInput((UINT)key_count, keyEventList, sizeof(INPUT));
delete[] keyEventList;
return 1;
}
}
}
}
return 0;
}
// Function to a handle an os-level shortcut remap
intptr_t HandleOSLevelShortcutRemapEvent(LowlevelKeyboardEvent* data, KeyboardManagerState& keyboardManagerState) noexcept
{
// Check if the key event was generated by KeyboardManager to avoid remapping events generated by us.
if (data->lParam->dwExtraInfo != KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG)
{
bool result = HandleShortcutRemapEvent(data, keyboardManagerState.osLevelShortcutReMap, keyboardManagerState.osLevelShortcutReMap_mutex);
return result;
}
return 0;
}
// Function to a handle an app-specific shortcut remap
intptr_t HandleAppSpecificShortcutRemapEvent(LowlevelKeyboardEvent* data, KeyboardManagerState& keyboardManagerState) noexcept
{
// Check if the key event was generated by KeyboardManager to avoid remapping events generated by us.
if (data->lParam->dwExtraInfo != KeyboardManagerConstants::KEYBOARDMANAGER_SHORTCUT_FLAG)
{
std::wstring process_name = KeyboardManagerHelper::GetCurrentApplication(false);
if (process_name.empty())
{
return 0;
}
std::unique_lock<std::mutex> lock(keyboardManagerState.appSpecificShortcutReMap_mutex);
auto it = keyboardManagerState.appSpecificShortcutReMap.find(process_name);
if (it != keyboardManagerState.appSpecificShortcutReMap.end())
{
lock.unlock();
bool result = HandleShortcutRemapEvent(data, keyboardManagerState.appSpecificShortcutReMap[process_name], keyboardManagerState.appSpecificShortcutReMap_mutex);
return result;
}
}
return 0;
}
}
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