mirror of https://github.com/bsnes-emu/bsnes.git
93 lines
3.0 KiB
C++
Executable File
93 lines
3.0 KiB
C++
Executable File
static LRESULT CALLBACK Canvas_windowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
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Object *object = (Object*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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if(object == nullptr) return DefWindowProc(hwnd, msg, wparam, lparam);
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if(!dynamic_cast<Canvas*>(object)) return DefWindowProc(hwnd, msg, wparam, lparam);
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Canvas &canvas = (Canvas&)*object;
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if(msg == WM_GETDLGCODE) {
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return DLGC_STATIC | DLGC_WANTCHARS;
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}
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if(msg == WM_PAINT) {
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canvas.p.paint();
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return TRUE;
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}
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if(msg == WM_MOUSEMOVE) {
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TRACKMOUSEEVENT tracker = { sizeof(TRACKMOUSEEVENT), TME_LEAVE, hwnd };
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TrackMouseEvent(&tracker);
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if(canvas.onMouseMove) canvas.onMouseMove({ (int16_t)LOWORD(lparam), (int16_t)HIWORD(lparam) });
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}
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if(msg == WM_MOUSELEAVE) {
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if(canvas.onMouseLeave) canvas.onMouseLeave();
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}
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if(msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN || msg == WM_RBUTTONDOWN) {
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if(canvas.onMousePress) switch(msg) {
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case WM_LBUTTONDOWN: canvas.onMousePress(Mouse::Button::Left); break;
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case WM_MBUTTONDOWN: canvas.onMousePress(Mouse::Button::Middle); break;
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case WM_RBUTTONDOWN: canvas.onMousePress(Mouse::Button::Right); break;
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}
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}
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if(msg == WM_LBUTTONUP || msg == WM_MBUTTONUP || msg == WM_RBUTTONUP) {
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if(canvas.onMouseRelease) switch(msg) {
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case WM_LBUTTONUP: canvas.onMouseRelease(Mouse::Button::Left); break;
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case WM_MBUTTONUP: canvas.onMouseRelease(Mouse::Button::Middle); break;
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case WM_RBUTTONUP: canvas.onMouseRelease(Mouse::Button::Right); break;
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}
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}
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return DefWindowProc(hwnd, msg, wparam, lparam);
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}
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void pCanvas::setSize(const Size &size) {
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delete[] data;
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data = new uint32_t[size.width * size.height];
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}
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void pCanvas::update() {
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memcpy(data, canvas.state.data, canvas.state.width * canvas.state.height * sizeof(uint32_t));
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InvalidateRect(hwnd, 0, false);
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}
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void pCanvas::constructor() {
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data = new uint32_t[canvas.state.width * canvas.state.height];
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memcpy(data, canvas.state.data, canvas.state.width * canvas.state.height * sizeof(uint32_t));
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hwnd = CreateWindow(L"phoenix_canvas", L"", WS_CHILD, 0, 0, 0, 0, parentWindow->p.hwnd, (HMENU)id, GetModuleHandle(0), 0);
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SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&canvas);
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synchronize();
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}
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void pCanvas::destructor() {
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DestroyWindow(hwnd);
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delete[] data;
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}
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void pCanvas::orphan() {
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destructor();
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constructor();
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}
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void pCanvas::paint() {
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RECT rc;
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GetClientRect(hwnd, &rc);
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unsigned width = canvas.state.width, height = canvas.state.height;
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BITMAPINFO bmi;
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memset(&bmi, 0, sizeof(BITMAPINFO));
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bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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bmi.bmiHeader.biPlanes = 1;
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bmi.bmiHeader.biBitCount = 32;
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bmi.bmiHeader.biCompression = BI_RGB;
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bmi.bmiHeader.biWidth = width;
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bmi.bmiHeader.biHeight = -height; //GDI stores bitmaps upside now; negative height flips bitmap
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bmi.bmiHeader.biSizeImage = sizeof(uint32_t) * width * height;
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PAINTSTRUCT ps;
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BeginPaint(hwnd, &ps);
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SetDIBitsToDevice(ps.hdc, 0, 0, width, height, 0, 0, 0, height, (void*)data, &bmi, DIB_RGB_COLORS);
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EndPaint(hwnd, &ps);
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}
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