diff --git a/include/MainWindow.hpp b/include/MainWindow.hpp
index 5a23d35..6f04ebc 100644
--- a/include/MainWindow.hpp
+++ b/include/MainWindow.hpp
@@ -13,6 +13,7 @@ class MainWindow : public Window {
public:
virtual LPCTSTR ClassName() { return TEXT("MusicKeyboardMain"); }
static MainWindow *Create(LPCTSTR szTitle);
+ void PlayNote(int note, bool down);
protected:
LRESULT HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam);
LRESULT OnCreate();
diff --git a/include/PianoControl.hpp b/include/PianoControl.hpp
index 075b099..94c6c62 100644
--- a/include/PianoControl.hpp
+++ b/include/PianoControl.hpp
@@ -16,6 +16,8 @@
#define MPCM_SETKEYTEXT (WM_USER + 5)
#define MPCM_GETBACKGROUND (WM_USER + 6)
#define MPCM_SETBACKGROUND (WM_USER + 7)
+#define MMWM_TURNNOTE (WM_APP + 0)
+#define MMWM_NOTEID (WM_APP + 1)
class PianoControl : public Window {
public:
@@ -48,12 +50,14 @@ protected:
BOOL WinRegisterClass(WNDCLASS *pwc);
virtual int keyIDToInternal(int id, bool &black);
+ virtual int internalToKeyID(int id, bool black);
virtual bool haveBlackToLeft(int id);
virtual bool haveBlackToRight(int id);
int haveBlack(int id) {
return (haveBlackToLeft(id) ? 2 : 0) | (haveBlackToRight(id) ? 1 : 0);
}
virtual void UpdateKey(int key, bool black);
+ virtual int hitTest(int x, int y, bool &black);
bool *blackStatus;
bool *whiteStatus;
@@ -68,6 +72,9 @@ protected:
HBITMAP hMemBitmap;
HBRUSH hBackground;
int bmx, bmy;
+
+ bool mouseDown;
+ int lastNote, lastKey;
};
#endif
diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 8677b27..a9d27cb 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -264,6 +264,13 @@ bool MainWindow::Play(WPARAM wParam, LPARAM lParam, bool down)
return false;
note = GetMIDINote(wCode);
+ PlayNote(note, down);
+ piano->SetKeyStatus((note - 6) % 24, down);
+ return true;
+}
+
+void MainWindow::PlayNote(int note, bool down)
+{
if (down) {
int num = note % 24;
while (num < 0x7F) {
@@ -276,8 +283,6 @@ bool MainWindow::Play(WPARAM wParam, LPARAM lParam, bool down)
MIDI_MESSAGE(m_midi, 0x90, note, m_force);
else
MIDI_MESSAGE(m_midi, 0x90, note, 0);
- piano->SetKeyStatus((note - 6) % 24, down);
- return true;
}
LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
@@ -392,6 +397,32 @@ LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_EXITSIZEMOVE:
SetWindowLongPtr(m_hwnd, GWL_EXSTYLE, GetWindowLongPtr(m_hwnd, GWL_EXSTYLE) & ~WS_EX_COMPOSITED);
return 0;
+ case MMWM_NOTEID: {
+ int state = 0;
+ if (GetKeyState(VK_CONTROL) < 0)
+ state |= 0x001;
+ if (GetKeyState(VK_SHIFT) < 0)
+ state |= 0x010;
+ if (GetKeyState(VK_MENU) < 0)
+ state |= 0x100;
+
+ int note = wParam + 54;
+ switch (state) {
+ case 0x001:
+ note -= 24;
+ break;
+ case 0x010:
+ note += 24;
+ break;
+ case 0x100:
+ note += 48;
+ break;
+ }
+ return note;
+ }
+ case MMWM_TURNNOTE:
+ PlayNote((int) wParam, lParam != 0);
+ return 0;
}
return Window::HandleMessage(uMsg, wParam, lParam);
}
diff --git a/src/PianoControl.cpp b/src/PianoControl.cpp
index 01e2c64..0a1b0de 100644
--- a/src/PianoControl.cpp
+++ b/src/PianoControl.cpp
@@ -1,4 +1,5 @@
#include <PianoControl.hpp>
+#include <MainWindow.hpp>
#include <windowsx.h>
#include <stdio.h>
@@ -30,6 +31,8 @@ LRESULT PianoControl::OnCreate()
blackStatus = whiteStatus = NULL;
blackText = whiteText = NULL;
+ mouseDown = false;
+ lastNote = lastKey = 0;
SetOctaves(2);
return 0;
@@ -171,6 +174,16 @@ int PianoControl::keyIDToInternal(int id, bool &black) {
return id / 12 * 7 + ret;
}
+static int internalToKeyIDMap[7] = {1, 3, 5, 6, 8, 10, 11};
+
+int PianoControl::internalToKeyID(int id, bool black)
+{
+ id = id / 7 * 12 + internalToKeyIDMap[id % 7];
+ if (black)
+ --id;
+ return id;
+}
+
bool PianoControl::haveBlackToLeft(int i) {
switch (i % 7) {
case 0: // G
@@ -206,6 +219,43 @@ bool PianoControl::haveBlackToRight(int i) {
return false; // not reached
}
+int PianoControl::hitTest(int x, int y, bool &black)
+{
+ RECT client;
+ int width, height;
+ int wwidth, bwidth, bheight, hbwidth;
+
+ GetClientRect(m_hwnd, &client);
+ width = client.right - client.left;
+ height = client.bottom - client.top;
+ wwidth = width / 7 / octaves; // Displaying 14 buttons.
+ bwidth = width / 12 / octaves; // smaller
+ bheight = height / 2;
+ bheight = height / 2;
+ hbwidth = bwidth / 2;
+
+ int key = x / wwidth;
+ int dx = x % wwidth;
+
+ if (y < bheight && (dx < hbwidth || dx > (wwidth - hbwidth))) {
+ int temp = key;
+ if (dx >= hbwidth)
+ ++temp;
+ switch (temp % 7) {
+ case 0:
+ case 1:
+ case 2:
+ case 4:
+ case 5:
+ black = true;
+ return temp;
+ }
+ }
+
+ black = false;
+ return key;
+}
+
void PianoControl::PaintContent(PAINTSTRUCT *pps)
{
RECT client, rect;
@@ -459,8 +509,41 @@ LRESULT PianoControl::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_SIZE:
InvalidateRect(m_hwnd, NULL, TRUE);
return 0;
- case WM_LBUTTONDOWN:
- SetFocus(hwParent);
+ case WM_LBUTTONDOWN: {
+ /*if (mouseDown)
+ return 0;*/
+ bool black;
+ int internal = hitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), black);
+ int key = internalToKeyID(internal, black);
+ int external = SendMessage(hwParent, MMWM_NOTEID, key, 0);
+ SendMessage(hwParent, MMWM_TURNNOTE, external, 1);
+ SetKeyStatus(key, true);
+ lastNote = external;
+ lastKey = key;
+ mouseDown = true;
+ return 0;
+ }
+ case WM_LBUTTONUP: {
+ SendMessage(hwParent, MMWM_TURNNOTE, lastNote, 0);
+ SetKeyStatus(lastKey, false);
+ mouseDown = false;
+ return 0;
+ }
+ case WM_MOUSEMOVE:
+ if (mouseDown) {
+ bool black;
+ int internal = hitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), black);
+ int key = internalToKeyID(internal, black);
+ int external = SendMessage(hwParent, MMWM_NOTEID, key, 0);
+ if (lastNote != external) {
+ SendMessage(hwParent, MMWM_TURNNOTE, lastNote, 0);
+ SetKeyStatus(lastKey, false);
+ SendMessage(hwParent, MMWM_TURNNOTE, external, 1);
+ SetKeyStatus(key, true);
+ lastNote = external;
+ lastKey = key;
+ }
+ }
return 0;
case WM_KEYDOWN:
case WM_SYSKEYDOWN: