mirror of
https://github.com/quantum5/MusicKeyboard.git
synced 2025-04-24 13:11:58 -04:00
Working touch support.
This commit is contained in:
Quantum
parent
0f297cfae3
commit
c8a835e83f
2
Makefile
2
Makefile
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@ -3,7 +3,7 @@ INCDIR=include
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CXX=cl /nologo
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LD=link /nologo
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CXXFLAGS=/c /O1 /I$(INCDIR) /W4 /Zi /DWIN32_LEAN_AND_MEAN /DWINVER=0x0501 /D_WIN32_WINNT=0x0501 /DUNICODE /D_UNICODE
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CXXFLAGS=/c /O1 /I$(INCDIR) /W4 /Zi /DWIN32_LEAN_AND_MEAN /DWINVER=0x0601 /D_WIN32_WINNT=0x0601 /DUNICODE /D_UNICODE
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LDFLAGS=/subsystem:windows /debug /incremental:no /opt:REF
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RC=rc /nologo
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RCFLAGS=/i$(INCDIR)
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@ -8,6 +8,10 @@
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#include <commctrl.h>
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#include <shellapi.h>
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typedef BOOL (WINAPI *T_GetTouchInputInfo)(HTOUCHINPUT hTouchInput, UINT cInputs, PTOUCHINPUT pInputs, int cbSize);
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typedef BOOL (WINAPI *T_CloseTouchInputHandle)(HTOUCHINPUT hTouchInput);
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typedef BOOL (WINAPI *T_RegisterTouchWindow)(HWND hWnd, ULONG ulFlags);
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#define MPCM_GETKEYSTATUS (WM_USER + 0)
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#define MPCM_SETKEYSTATUS (WM_USER + 1)
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#define MPCM_GETOCTAVES (WM_USER + 2)
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@ -19,6 +23,15 @@
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#define MMWM_TURNNOTE (WM_APP + 0)
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#define MMWM_NOTEID (WM_APP + 1)
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#define MAXPOINTS 20
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typedef struct {
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bool down;
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POINTL point;
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int lastNote;
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int lastKey;
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} PianoTouchPoint;
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class PianoControl : public Window {
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public:
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virtual LPCTSTR ClassName() { return TEXT("KeyboardControl"); }
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@ -52,6 +65,14 @@ protected:
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virtual void PaintContent(PAINTSTRUCT *pps);
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BOOL WinRegisterClass(WNDCLASS *pwc);
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void OnTouchPoint(UINT id, int x, int y);
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int GetTouchPointID(DWORD dwID);
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PianoTouchPoint touchPoint[MAXPOINTS];
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DWORD touchPointID[MAXPOINTS];
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bool hasTouch;
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T_GetTouchInputInfo F_GetTouchInputInfo;
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T_CloseTouchInputHandle F_CloseTouchInputHandle;
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virtual int keyIDToInternal(int id, bool &black);
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virtual int internalToKeyID(int id, bool black);
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virtual bool haveBlackToLeft(int id);
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@ -4,11 +4,16 @@
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#include <windowsx.h>
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#include <stdio.h>
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#include <tchar.h>
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#include <tpcshrd.h>
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#ifndef max
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#define MOUSEEVENTF_FROMTOUCH 0xFF515700
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BOOL PianoControl::WinRegisterClass(WNDCLASS *pwc)
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{
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return Window::WinRegisterClass(pwc);
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@ -34,6 +39,38 @@ LRESULT PianoControl::OnCreate()
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mouseDown = false;
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lastNote = lastKey = 0;
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int touchSupport = GetSystemMetrics(SM_DIGITIZER);
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T_RegisterTouchWindow F_RegisterTouchWindow = NULL;
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hasTouch = false;
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if (touchSupport & NID_READY) {
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// Has touch
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hasTouch = true;
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F_GetTouchInputInfo = (T_GetTouchInputInfo) GetProcAddress(GetModuleHandle(TEXT("user32")), "GetTouchInputInfo");
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F_CloseTouchInputHandle = (T_CloseTouchInputHandle) GetProcAddress(GetModuleHandle(TEXT("user32")), "CloseTouchInputHandle");
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F_RegisterTouchWindow = (T_RegisterTouchWindow) GetProcAddress(GetModuleHandle(TEXT("user32")), "RegisterTouchWindow");
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if (!F_GetTouchInputInfo || !F_CloseTouchInputHandle || !F_RegisterTouchWindow)
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hasTouch = false;
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}
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if (hasTouch) {
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F_RegisterTouchWindow(m_hwnd, TWF_WANTPALM);
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memset(touchPoint, 0, MAXPOINTS * sizeof(PianoTouchPoint));
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ATOM atom = GlobalAddAtom(MICROSOFT_TABLETPENSERVICE_PROPERTY);
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SetProp(m_hwnd, MICROSOFT_TABLETPENSERVICE_PROPERTY, (HANDLE) (
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TABLET_DISABLE_PRESSANDHOLD | // disables press and hold (right-click) gesture
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TABLET_DISABLE_PENTAPFEEDBACK | // disables UI feedback on pen up (waves)
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TABLET_DISABLE_PENBARRELFEEDBACK | // disables UI feedback on pen button down
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TABLET_DISABLE_FLICKS // disables pen flicks (back, forward, drag down, drag up)
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));
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GlobalDeleteAtom(atom);
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}
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for (int i = 0; i < MAXPOINTS; ++i)
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touchPointID[i] = (DWORD) -1;
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SetOctaves(2);
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return 0;
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}
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@ -495,15 +532,72 @@ void PianoControl::OnPaint()
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EndPaint(m_hwnd, &ps);
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}
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void PianoControl::DisableDraw() {
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void PianoControl::DisableDraw()
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{
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SendMessage(m_hwnd, WM_SETREDRAW, FALSE, 0);
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}
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void PianoControl::EnableDraw() {
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void PianoControl::EnableDraw()
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{
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SendMessage(m_hwnd, WM_SETREDRAW, TRUE, 0);
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RedrawWindow(m_hwnd, NULL, NULL, RDW_FRAME | RDW_INVALIDATE);
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}
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void PianoControl::OnTouchPoint(UINT id, int x, int y)
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{
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if (x != -1 && y != -1) {
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// Touch point is down
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if (touchPoint[id].down) {
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// Dragged
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bool black;
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int internal = hitTest(x, y, black);
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int key = internalToKeyID(internal, black);
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int external = SendMessage(hwParent, MMWM_NOTEID, key, 0);
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if (touchPoint[id].lastNote != external) {
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SendMessage(hwParent, MMWM_TURNNOTE, touchPoint[id].lastNote, 0);
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SetKeyStatus(touchPoint[id].lastKey, false);
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SendMessage(hwParent, MMWM_TURNNOTE, external, 1);
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SetKeyStatus(key, true);
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touchPoint[id].lastNote = external;
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touchPoint[id].lastKey = key;
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}
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} else {
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// Pressed
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bool black;
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int internal = hitTest(x, y, black);
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int key = internalToKeyID(internal, black);
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int external = SendMessage(hwParent, MMWM_NOTEID, key, 0);
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SendMessage(hwParent, MMWM_TURNNOTE, external, 1);
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SetKeyStatus(key, true);
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touchPoint[id].lastNote = external;
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touchPoint[id].lastKey = key;
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touchPoint[id].down = true;
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}
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touchPoint[id].point.x = x;
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touchPoint[id].point.y = y;
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} else {
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// It just went up
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SendMessage(hwParent, MMWM_TURNNOTE, touchPoint[id].lastNote, 0);
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SetKeyStatus(touchPoint[id].lastKey, false);
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touchPoint[id].down = false;
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}
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}
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int PianoControl::GetTouchPointID(DWORD dwID)
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{
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for (DWORD i = 0; i < MAXPOINTS; ++i) {
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if (touchPointID[i] == dwID)
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return i;
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}
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for (DWORD i = 0; i < MAXPOINTS; ++i) {
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if (touchPointID[i] == (DWORD) -1) {
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touchPointID[i] = dwID;
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return i;
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}
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}
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return -1;
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}
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LRESULT PianoControl::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg) {
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@ -520,27 +614,29 @@ LRESULT PianoControl::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
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case WM_SIZE:
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InvalidateRect(m_hwnd, NULL, TRUE);
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return 0;
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case WM_LBUTTONDOWN: {
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bool black;
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int internal = hitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), black);
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int key = internalToKeyID(internal, black);
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int external = SendMessage(hwParent, MMWM_NOTEID, key, 0);
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SendMessage(hwParent, MMWM_TURNNOTE, external, 1);
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SetKeyStatus(key, true);
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lastNote = external;
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lastKey = key;
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mouseDown = true;
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SetFocus(m_hwnd);
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return 0;
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}
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case WM_LBUTTONUP: {
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SendMessage(hwParent, MMWM_TURNNOTE, lastNote, 0);
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SetKeyStatus(lastKey, false);
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mouseDown = false;
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return 0;
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}
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case WM_LBUTTONDOWN:
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if ((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) != MOUSEEVENTF_FROMTOUCH) {
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bool black;
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int internal = hitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), black);
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int key = internalToKeyID(internal, black);
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int external = SendMessage(hwParent, MMWM_NOTEID, key, 0);
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SendMessage(hwParent, MMWM_TURNNOTE, external, 1);
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SetKeyStatus(key, true);
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lastNote = external;
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lastKey = key;
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mouseDown = true;
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SetFocus(m_hwnd);
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return 0;
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}
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case WM_LBUTTONUP:
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if ((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) != MOUSEEVENTF_FROMTOUCH) {
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SendMessage(hwParent, MMWM_TURNNOTE, lastNote, 0);
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SetKeyStatus(lastKey, false);
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mouseDown = false;
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return 0;
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}
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case WM_MOUSEMOVE:
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if (mouseDown) {
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if ((GetMessageExtraInfo() & 0x82) != 0x82 && mouseDown) {
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bool black;
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int internal = hitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), black);
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int key = internalToKeyID(internal, black);
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@ -564,6 +660,39 @@ LRESULT PianoControl::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
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case WM_SYSCHAR:
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case WM_SYSDEADCHAR:
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return SendMessage(hwParent, uMsg, wParam, lParam);
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case WM_TOUCH: {
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if (!hasTouch)
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break;
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UINT cInputs = LOWORD(wParam);
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TOUCHINPUT *pInputs = new TOUCHINPUT[cInputs];
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if (pInputs != NULL) {
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if (F_GetTouchInputInfo((HTOUCHINPUT) lParam, cInputs, pInputs, sizeof(TOUCHINPUT))) {
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for (UINT i = 0; i < cInputs; ++i) {
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POINT ptInput;
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int id = GetTouchPointID(pInputs[i].dwID);
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if (id == -1)
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continue; // presumably you had 20 touch points
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ptInput.x = TOUCH_COORD_TO_PIXEL(pInputs[i].x);
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ptInput.y = TOUCH_COORD_TO_PIXEL(pInputs[i].y);
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ScreenToClient(m_hwnd, &ptInput);
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if (pInputs[i].dwFlags & TOUCHEVENTF_UP) {
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OnTouchPoint(id, -1, -1);
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touchPointID[id] = (DWORD) -1; // Free the ID
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} else {
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OnTouchPoint(id, ptInput.x, ptInput.y);
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}
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}
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F_CloseTouchInputHandle((HTOUCHINPUT) lParam);
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delete [] pInputs;
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return 0;
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}
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delete [] pInputs;
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}
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break;
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}
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case WM_GETFONT:
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return (LRESULT) GetFont();
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case WM_SETFONT:
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