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Simplified modifier handling logic. Allowed chord of the same note across

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octaves.
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Quantum 2014-04-18 14:54:46 -04:00
parent 019567b10d
commit 474efa8655
2 changed files with 94 additions and 74 deletions
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2
include/MainWindow.hpp
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@ -53,7 +53,7 @@ protected:
virtual HICON GetIcon(); virtual HICON GetIcon();
bool state[128]; int active[128];
bool useBeep; bool useBeep;
HANDLE hBeep; HANDLE hBeep;
unsigned lastFrequency; unsigned lastFrequency;

166
src/MainWindow.cpp
View file

@ -25,6 +25,61 @@
} while (0) } while (0)
static char keymap[256]; 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['A'] = 57;
keymap['Z'] = 57;
keymap['W'] = 56;
keymap['E'] = 58;
keymap['S'] = 59;
keymap['X'] = 59;
keymap['D'] = 60;
keymap['C'] = 60;
keymap['R'] = 61;
keymap['F'] = 62;
keymap['V'] = 62;
keymap['T'] = 63;
keymap['G'] = 64;
keymap['B'] = 64;
keymap['H'] = 65;
keymap['N'] = 65;
keymap['U'] = 66;
keymap['J'] = 67;
keymap['M'] = 67;
keymap['I'] = 68;
keymap['K'] = 69;
keymap[VK_OEM_COMMA] = 69;
keymap['O'] = 70;
keymap['L'] = 71;
keymap[VK_OEM_PERIOD] = 71;
keymap[VK_OEM_1] = 72; // ;:
keymap[VK_OEM_2] = 72; // /?
keymap[VK_OEM_7] = 74; // '"
keymap[VK_OEM_4] = 73; // [
keymap[VK_OEM_6] = 75; // ]
keymap[VK_RETURN] = 76;
keymap[VK_OEM_5] = 77; // \|
keymap[VK_BACK] = 77;
keymap[0x31] = 57;
keymap[0x32] = 59;
keymap[0x33] = 60;
keymap[0x34] = 62;
keymap[0x35] = 64;
keymap[0x36] = 65;
keymap[0x37] = 67;
keymap[0x38] = 69;
keymap[0x39] = 71;
keymap[0x30] = 72;
keymap[VK_OEM_MINUS] = 74;
keymap[VK_OEM_PLUS] = 76;
}
} _keymap_init;
static LPWSTR keychars = static LPWSTR keychars =
L"~`\0" // F#3 L"~`\0" // F#3
L"\x21c6Q\0" // G3 L"\x21c6Q\0" // G3
@ -88,6 +143,10 @@ LRESULT MainWindow::OnCreate()
hFont = CreateFontIndirect(&ncmMetrics.lfMessageFont); hFont = CreateFontIndirect(&ncmMetrics.lfMessageFont);
// For debugging
/*AllocConsole();
freopen("CONOUT$", "w", stdout);*/
// Children // Children
m_volumeLabel = CreateWindow(WC_STATIC, L"Volume:", m_volumeLabel = CreateWindow(WC_STATIC, L"Volume:",
WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE, 0, 0, 0, 0, WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE, 0, 0, 0, 0,
@ -170,7 +229,7 @@ LRESULT MainWindow::OnCreate()
if (midiOutOpen(&m_midi, 0, 0, 0, CALLBACK_NULL) != MMSYSERR_NOERROR) if (midiOutOpen(&m_midi, 0, 0, 0, CALLBACK_NULL) != MMSYSERR_NOERROR)
MessageBox(m_hwnd, L"Failed to open MIDI device!", L"Fatal Error", MB_ICONERROR); MessageBox(m_hwnd, L"Failed to open MIDI device!", L"Fatal Error", MB_ICONERROR);
memset(state, 0, 128 * sizeof(bool)); memset(active, 0, sizeof active);
this->piano = PianoControl::Create(NULL, m_hwnd, KEYBOARD_IMAGE, this->piano = PianoControl::Create(NULL, m_hwnd, KEYBOARD_IMAGE,
WS_VISIBLE | WS_CHILD | WS_TABSTOP, WS_VISIBLE | WS_CHILD | WS_TABSTOP,
0, 0, 0, 0); 0, 0, 0, 0);
@ -187,56 +246,6 @@ LRESULT MainWindow::OnCreate()
hBeep = NULL; hBeep = NULL;
} }
useBeep = false; useBeep = false;
{
keymap[VK_OEM_3] = 54; // `~ key
keymap['Q'] = 55;
keymap[VK_TAB] = 55;
keymap['A'] = 57;
keymap['Z'] = 57;
keymap['W'] = 56;
keymap['E'] = 58;
keymap['S'] = 59;
keymap['X'] = 59;
keymap['D'] = 60;
keymap['C'] = 60;
keymap['R'] = 61;
keymap['F'] = 62;
keymap['V'] = 62;
keymap['T'] = 63;
keymap['G'] = 64;
keymap['B'] = 64;
keymap['H'] = 65;
keymap['N'] = 65;
keymap['U'] = 66;
keymap['J'] = 67;
keymap['M'] = 67;
keymap['I'] = 68;
keymap['K'] = 69;
keymap[VK_OEM_COMMA] = 69;
keymap['O'] = 70;
keymap['L'] = 71;
keymap[VK_OEM_PERIOD] = 71;
keymap[VK_OEM_1] = 72; // ;:
keymap[VK_OEM_2] = 72; // /?
keymap[VK_OEM_7] = 74; // '"
keymap[VK_OEM_4] = 73; // [
keymap[VK_OEM_6] = 75; // ]
keymap[VK_RETURN] = 76;
keymap[VK_OEM_5] = 77; // \|
keymap[VK_BACK] = 77;
keymap[0x31] = 57;
keymap[0x32] = 59;
keymap[0x33] = 60;
keymap[0x34] = 62;
keymap[0x35] = 64;
keymap[0x36] = 65;
keymap[0x37] = 67;
keymap[0x38] = 69;
keymap[0x39] = 71;
keymap[0x30] = 72;
keymap[VK_OEM_MINUS] = 74;
keymap[VK_OEM_PLUS] = 76;
}
m_keychars = NULL; m_keychars = NULL;
PostMessage(m_hwnd, WM_INPUTLANGCHANGE, 0, 0); PostMessage(m_hwnd, WM_INPUTLANGCHANGE, 0, 0);
return 0; return 0;
@ -334,28 +343,26 @@ int ModifyNote(int note, bool &half) {
return note; return note;
} }
int GetMIDINote(WPARAM wCode, bool &half) int GetMIDINote(WPARAM wCode, bool &half, int &base)
{ {
int note = keymap[wCode]; base = keymap[wCode];
note = ModifyNote(note, half); return ModifyNote(base, half);
return note;
} }
bool MainWindow::Play(WPARAM wParam, LPARAM lParam, bool down) bool MainWindow::Play(WPARAM wParam, LPARAM lParam, bool down)
{ {
int note; int base, note;
bool half; bool half;
WORD wCode = GetQWERTYKeyCode((WORD) wParam); WORD wCode = GetQWERTYKeyCode((WORD) wParam);
if (wCode > 255 || !keymap[wCode] || (down && (lParam & 0x40000000))) if (wCode > 255 || !keymap[wCode] || (down && (lParam & 0x40000000)))
return false; return false;
note = GetMIDINote(wCode, half); note = GetMIDINote(wCode, half, base);
if (active[base] != note)
PlayNote(active[base], false);
active[base] = down ? note : 0;
PlayNote(note, down); PlayNote(note, down);
note -= 6; piano->SetKeyStatus((note + (half ? 6 : -6)) % 24, down);
if (half)
note += 12;
note %= 24;
piano->SetKeyStatus(note, down);
return true; return true;
} }
@ -370,14 +377,6 @@ void MainWindow::PlayNote(int note, bool down)
lastTime = GetTickCount(); lastTime = GetTickCount();
} }
for (int i = note % 12; i < 0x7F; i += 12) {
if (i != note && state[i]) {
if (!useBeep) MIDI_MESSAGE(m_midi, 0x90, i, 0);
if (save) midiTrackAddMsg(m_midifile, 1, msgNoteOff, i, 0);
state[i] = false;
}
}
if (useBeep) { if (useBeep) {
BEEP_PARAM param = {frequency[note], (ULONG) -1}; BEEP_PARAM param = {frequency[note], (ULONG) -1};
@ -411,10 +410,8 @@ void MainWindow::PlayNote(int note, bool down)
hBeep = NULL; hBeep = NULL;
} }
} }
} else { } else
MIDI_MESSAGE(m_midi, down ? 0x90 : 0x80, note, m_force); MIDI_MESSAGE(m_midi, down ? 0x90 : 0x80, note, m_force);
}
state[note] = down;
} }
@ -462,6 +459,29 @@ void MainWindow::OnReOpenMIDI()
LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam) LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
{ {
switch (uMsg) {
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
switch (wParam) {
case VK_SHIFT:
case VK_CONTROL:
case VK_MENU:
for (int i = 0; i < 128; ++i) {
if (active[i]) {
bool half;
int note = ModifyNote(i, half);
if (note != active[i]) {
PlayNote(active[i], false);
PlayNote(ModifyNote(i, half), true);
active[i] = note;
}
}
}
return 0;
}
}
switch (uMsg) { switch (uMsg) {
case WM_CREATE: case WM_CREATE:
return OnCreate(); return OnCreate();