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Mapped Caps Lock to a note, more regular layout of keys.

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Quantum 2014-04-27 12:46:39 -04:00
parent 913b852913
commit cc84cf036d
2 changed files with 78 additions and 10 deletions
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8
include/MainWindow.hpp
View file

@ -46,6 +46,7 @@ protected:
LRESULT OnCreate();
LRESULT OnDestroy();
bool Play(WPARAM wCode, LPARAM lParam, bool down);
void PlayKeyboardNote(int note, bool half, int base, bool down);
BOOL WinRegisterClass(WNDCLASS *pwc);
WORD GetQWERTYKeyCode(WORD wKeyCode);
WORD GetRealKeyCode(WORD wQWERTYCode);
@ -80,6 +81,13 @@ protected:
MIDI_FILE *m_midifile;
DWORD lastTime;
bool saving;
LRESULT CALLBACK LowLevelKeyboardHook(HHOOK hHook, int nCode, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam);
static void HookWindow(MainWindow *window, DWORD dwThreadID);
static void UnhookWindow(MainWindow *window);
static MainWindow *activeHookWindow;
static HHOOK activeHook;
private:
HFONT hFont;
};

80
src/MainWindow.cpp
View file

@ -29,13 +29,12 @@ static char keymap[256];
struct _keymap_init_class {
_keymap_init_class() {
memset(keymap, 0, sizeof keymap);
keymap[VK_OEM_3] = 54; // `~ key
keymap['Q'] = 55;
keymap[VK_TAB] = 55;
keymap[VK_TAB] = 54;
keymap[VK_OEM_3] = 55; // `~ key
keymap['Q'] = 56;
keymap['A'] = 57;
keymap['Z'] = 57;
keymap['W'] = 56;
keymap['E'] = 58;
keymap['W'] = 58;
keymap['S'] = 59;
keymap['X'] = 59;
keymap['D'] = 60;
@ -81,11 +80,11 @@ struct _keymap_init_class {
} _keymap_init;
static LPWSTR keychars =
L"~`\0" // F#3
L"\x21c6Q\0" // G3
L"W\0" // G#3
L"\x21c6\0" // F#3
L"\x21a5~`\0" // G3
L"Q\0" // G#3
L"AZ1\0" // A3
L"E\0" // A#3
L"W\0" // A#3
L"SX2\0" // B3
L"DC3\0" // C4
L"R\0" // C#4
@ -363,6 +362,9 @@ int ModifyNote(int note, bool &half) {
note += 48;
half = false;
break;
default:
half = false;
break;
}
return note;
}
@ -382,12 +384,16 @@ bool MainWindow::Play(WPARAM wParam, LPARAM lParam, bool down)
return false;
note = GetMIDINote(wCode, half, base);
PlayKeyboardNote(note, half, base, down);
return true;
}
void MainWindow::PlayKeyboardNote(int note, bool half, int base, bool down) {
if (active[base] != note)
PlayNote(active[base], false);
active[base] = down ? note : 0;
PlayNote(note, down);
piano->SetKeyStatus((note + (half ? 6 : -6)) % 24, down);
return true;
}
void MainWindow::PlayNote(int note, bool down)
@ -481,6 +487,53 @@ void MainWindow::OnReOpenMIDI()
midiSongAddSimpleTimeSig(m_midifile, 1, 4, MIDI_NOTE_CROCHET);
}
LRESULT CALLBACK MainWindow::LowLevelKeyboardHook(HHOOK hHook, int nCode, WPARAM wParam, LPARAM lParam) {
KBDLLHOOKSTRUCT* p = (KBDLLHOOKSTRUCT*) lParam;
if (p->vkCode == VK_CAPITAL) {
bool half, down;
int note = ModifyNote(55, half);
switch (wParam) {
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
down = true;
break;
case WM_KEYUP:
case WM_SYSKEYUP:
down = false;
break;
default:
goto finish;
}
PlayKeyboardNote(note, half, 55, down);
return 1;
}
finish:
return CallNextHookEx(hHook, nCode, wParam, lParam);
}
MainWindow *MainWindow::activeHookWindow = NULL;
HHOOK MainWindow::activeHook = NULL;
LRESULT CALLBACK MainWindow::LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) {
if (nCode >= 0 && activeHookWindow)
return activeHookWindow->LowLevelKeyboardHook(activeHook, nCode, wParam, lParam);
return CallNextHookEx(activeHook, nCode, wParam, lParam);
}
void MainWindow::HookWindow(MainWindow *window, DWORD dwThreadID) {
if (activeHook)
UnhookWindowsHookEx(activeHook);
activeHook = SetWindowsHookEx(WH_KEYBOARD_LL, MainWindow::LowLevelKeyboardProc, NULL, dwThreadID);
activeHookWindow = window;
}
void MainWindow::UnhookWindow(MainWindow *window) {
if (activeHookWindow == window) {
UnhookWindowsHookEx(activeHook);
activeHookWindow = NULL;
}
}
LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg) {
@ -633,6 +686,13 @@ LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
if (Play(wParam, lParam, false))
return 0;
break;
case WM_ACTIVATE:
if (LOWORD(wParam)) {
HookWindow(this, 0);
} else {
UnhookWindow(this);
}
break;
case WM_LBUTTONDOWN:
SetFocus(m_hwnd);
return 0;