mirror of
https://github.com/quantum5/MusicKeyboard.git
synced 2025-04-24 13:11:58 -04:00
Simplified modifier handling logic. Allowed chord of the same note across
octaves.
This commit is contained in:
Quantum
parent
019567b10d
commit
474efa8655
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@ -53,7 +53,7 @@ protected:
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virtual HICON GetIcon();
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bool state[128];
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int active[128];
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bool useBeep;
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HANDLE hBeep;
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unsigned lastFrequency;
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@ -25,6 +25,61 @@
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} while (0)
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static char keymap[256];
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struct _keymap_init_class {
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_keymap_init_class() {
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memset(keymap, 0, sizeof keymap);
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keymap[VK_OEM_3] = 54; // `~ key
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keymap['Q'] = 55;
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keymap[VK_TAB] = 55;
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keymap['A'] = 57;
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keymap['Z'] = 57;
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keymap['W'] = 56;
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keymap['E'] = 58;
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keymap['S'] = 59;
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keymap['X'] = 59;
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keymap['D'] = 60;
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keymap['C'] = 60;
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keymap['R'] = 61;
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keymap['F'] = 62;
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keymap['V'] = 62;
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keymap['T'] = 63;
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keymap['G'] = 64;
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keymap['B'] = 64;
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keymap['H'] = 65;
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keymap['N'] = 65;
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keymap['U'] = 66;
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keymap['J'] = 67;
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keymap['M'] = 67;
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keymap['I'] = 68;
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keymap['K'] = 69;
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keymap[VK_OEM_COMMA] = 69;
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keymap['O'] = 70;
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keymap['L'] = 71;
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keymap[VK_OEM_PERIOD] = 71;
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keymap[VK_OEM_1] = 72; // ;:
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keymap[VK_OEM_2] = 72; // /?
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keymap[VK_OEM_7] = 74; // '"
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keymap[VK_OEM_4] = 73; // [
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keymap[VK_OEM_6] = 75; // ]
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keymap[VK_RETURN] = 76;
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keymap[VK_OEM_5] = 77; // \|
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keymap[VK_BACK] = 77;
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keymap[0x31] = 57;
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keymap[0x32] = 59;
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keymap[0x33] = 60;
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keymap[0x34] = 62;
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keymap[0x35] = 64;
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keymap[0x36] = 65;
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keymap[0x37] = 67;
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keymap[0x38] = 69;
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keymap[0x39] = 71;
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keymap[0x30] = 72;
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keymap[VK_OEM_MINUS] = 74;
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keymap[VK_OEM_PLUS] = 76;
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}
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} _keymap_init;
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static LPWSTR keychars =
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L"~`\0" // F#3
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L"\x21c6Q\0" // G3
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@ -88,6 +143,10 @@ LRESULT MainWindow::OnCreate()
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hFont = CreateFontIndirect(&ncmMetrics.lfMessageFont);
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// For debugging
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/*AllocConsole();
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freopen("CONOUT$", "w", stdout);*/
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// Children
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m_volumeLabel = CreateWindow(WC_STATIC, L"Volume:",
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WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE, 0, 0, 0, 0,
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@ -170,7 +229,7 @@ LRESULT MainWindow::OnCreate()
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if (midiOutOpen(&m_midi, 0, 0, 0, CALLBACK_NULL) != MMSYSERR_NOERROR)
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MessageBox(m_hwnd, L"Failed to open MIDI device!", L"Fatal Error", MB_ICONERROR);
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memset(state, 0, 128 * sizeof(bool));
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memset(active, 0, sizeof active);
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this->piano = PianoControl::Create(NULL, m_hwnd, KEYBOARD_IMAGE,
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WS_VISIBLE | WS_CHILD | WS_TABSTOP,
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0, 0, 0, 0);
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@ -187,56 +246,6 @@ LRESULT MainWindow::OnCreate()
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hBeep = NULL;
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}
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useBeep = false;
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{
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keymap[VK_OEM_3] = 54; // `~ key
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keymap['Q'] = 55;
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keymap[VK_TAB] = 55;
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keymap['A'] = 57;
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keymap['Z'] = 57;
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keymap['W'] = 56;
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keymap['E'] = 58;
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keymap['S'] = 59;
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keymap['X'] = 59;
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keymap['D'] = 60;
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keymap['C'] = 60;
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keymap['R'] = 61;
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keymap['F'] = 62;
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keymap['V'] = 62;
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keymap['T'] = 63;
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keymap['G'] = 64;
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keymap['B'] = 64;
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keymap['H'] = 65;
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keymap['N'] = 65;
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keymap['U'] = 66;
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keymap['J'] = 67;
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keymap['M'] = 67;
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keymap['I'] = 68;
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keymap['K'] = 69;
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keymap[VK_OEM_COMMA] = 69;
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keymap['O'] = 70;
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keymap['L'] = 71;
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keymap[VK_OEM_PERIOD] = 71;
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keymap[VK_OEM_1] = 72; // ;:
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keymap[VK_OEM_2] = 72; // /?
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keymap[VK_OEM_7] = 74; // '"
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keymap[VK_OEM_4] = 73; // [
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keymap[VK_OEM_6] = 75; // ]
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keymap[VK_RETURN] = 76;
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keymap[VK_OEM_5] = 77; // \|
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keymap[VK_BACK] = 77;
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keymap[0x31] = 57;
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keymap[0x32] = 59;
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keymap[0x33] = 60;
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keymap[0x34] = 62;
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keymap[0x35] = 64;
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keymap[0x36] = 65;
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keymap[0x37] = 67;
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keymap[0x38] = 69;
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keymap[0x39] = 71;
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keymap[0x30] = 72;
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keymap[VK_OEM_MINUS] = 74;
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keymap[VK_OEM_PLUS] = 76;
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}
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m_keychars = NULL;
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PostMessage(m_hwnd, WM_INPUTLANGCHANGE, 0, 0);
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return 0;
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@ -334,28 +343,26 @@ int ModifyNote(int note, bool &half) {
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return note;
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}
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int GetMIDINote(WPARAM wCode, bool &half)
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int GetMIDINote(WPARAM wCode, bool &half, int &base)
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{
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int note = keymap[wCode];
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note = ModifyNote(note, half);
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return note;
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base = keymap[wCode];
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return ModifyNote(base, half);
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}
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bool MainWindow::Play(WPARAM wParam, LPARAM lParam, bool down)
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{
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int note;
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int base, note;
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bool half;
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WORD wCode = GetQWERTYKeyCode((WORD) wParam);
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if (wCode > 255 || !keymap[wCode] || (down && (lParam & 0x40000000)))
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return false;
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note = GetMIDINote(wCode, half);
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note = GetMIDINote(wCode, half, base);
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if (active[base] != note)
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PlayNote(active[base], false);
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active[base] = down ? note : 0;
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PlayNote(note, down);
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note -= 6;
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if (half)
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note += 12;
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note %= 24;
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piano->SetKeyStatus(note, down);
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piano->SetKeyStatus((note + (half ? 6 : -6)) % 24, down);
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return true;
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}
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@ -370,14 +377,6 @@ void MainWindow::PlayNote(int note, bool down)
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lastTime = GetTickCount();
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}
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for (int i = note % 12; i < 0x7F; i += 12) {
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if (i != note && state[i]) {
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if (!useBeep) MIDI_MESSAGE(m_midi, 0x90, i, 0);
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if (save) midiTrackAddMsg(m_midifile, 1, msgNoteOff, i, 0);
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state[i] = false;
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}
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}
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if (useBeep) {
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BEEP_PARAM param = {frequency[note], (ULONG) -1};
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@ -411,11 +410,9 @@ void MainWindow::PlayNote(int note, bool down)
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hBeep = NULL;
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}
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}
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} else {
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} else
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MIDI_MESSAGE(m_midi, down ? 0x90 : 0x80, note, m_force);
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}
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state[note] = down;
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}
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void MainWindow::PaintContent(PAINTSTRUCT *pps)
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@ -462,6 +459,29 @@ void MainWindow::OnReOpenMIDI()
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LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg) {
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case WM_KEYDOWN:
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case WM_SYSKEYDOWN:
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case WM_KEYUP:
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case WM_SYSKEYUP:
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switch (wParam) {
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case VK_SHIFT:
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case VK_CONTROL:
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case VK_MENU:
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for (int i = 0; i < 128; ++i) {
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if (active[i]) {
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bool half;
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int note = ModifyNote(i, half);
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if (note != active[i]) {
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PlayNote(active[i], false);
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PlayNote(ModifyNote(i, half), true);
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active[i] = note;
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}
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}
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}
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return 0;
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}
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}
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switch (uMsg) {
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case WM_CREATE:
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return OnCreate();
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