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author | David Robillard <d@drobilla.net> | 2019-07-20 13:24:55 +0200 |
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committer | David Robillard <d@drobilla.net> | 2019-07-20 13:41:54 +0200 |
commit | e7d9aaf9bf756f7eb0e0f4d499def93d4389e8ae (patch) | |
tree | 2ba02a43159fedf1ee46a12ccc72c7af330fc4cc /pugl/pugl_win.cpp | |
parent | cf6da599e3ea7cf51f296dac722e3694c53b4ea3 (diff) | |
download | pugl-e7d9aaf9bf756f7eb0e0f4d499def93d4389e8ae.tar.gz pugl-e7d9aaf9bf756f7eb0e0f4d499def93d4389e8ae.tar.bz2 pugl-e7d9aaf9bf756f7eb0e0f4d499def93d4389e8ae.zip |
Use C for Windows implementation
This avoids C++ binary compatibility and dependency hassles when
cross-compiling.
Diffstat (limited to 'pugl/pugl_win.cpp')
-rw-r--r-- | pugl/pugl_win.cpp | 781 |
1 files changed, 0 insertions, 781 deletions
diff --git a/pugl/pugl_win.cpp b/pugl/pugl_win.cpp deleted file mode 100644 index 6e27a8d..0000000 --- a/pugl/pugl_win.cpp +++ /dev/null @@ -1,781 +0,0 @@ -/* - Copyright 2012-2019 David Robillard <http://drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -/** - @file pugl_win.cpp Windows/WGL Pugl Implementation. -*/ - -#include "pugl/pugl_internal.h" - -#include <windows.h> -#include <windowsx.h> - -#include <GL/gl.h> - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <wctype.h> - -#ifndef WM_MOUSEWHEEL -# define WM_MOUSEWHEEL 0x020A -#endif -#ifndef WM_MOUSEHWHEEL -# define WM_MOUSEHWHEEL 0x020E -#endif -#ifndef WHEEL_DELTA -# define WHEEL_DELTA 120 -#endif -#ifndef GWLP_USERDATA -# define GWLP_USERDATA (-21) -#endif - -#define PUGL_LOCAL_CLOSE_MSG (WM_USER + 50) - -#define WGL_DRAW_TO_WINDOW_ARB 0x2001 -#define WGL_ACCELERATION_ARB 0x2003 -#define WGL_SUPPORT_OPENGL_ARB 0x2010 -#define WGL_DOUBLE_BUFFER_ARB 0x2011 -#define WGL_PIXEL_TYPE_ARB 0x2013 -#define WGL_COLOR_BITS_ARB 0x2014 -#define WGL_RED_BITS_ARB 0x2015 -#define WGL_GREEN_BITS_ARB 0x2017 -#define WGL_BLUE_BITS_ARB 0x2019 -#define WGL_ALPHA_BITS_ARB 0x201b -#define WGL_DEPTH_BITS_ARB 0x2022 -#define WGL_STENCIL_BITS_ARB 0x2023 -#define WGL_FULL_ACCELERATION_ARB 0x2027 -#define WGL_TYPE_RGBA_ARB 0x202b -#define WGL_SAMPLE_BUFFERS_ARB 0x2041 -#define WGL_SAMPLES_ARB 0x2042 - -#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091 -#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092 -#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093 -#define WGL_CONTEXT_FLAGS_ARB 0x2094 -#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126 - -#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 -#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 - -struct PuglInternalsImpl { - HWND hwnd; - HDC hdc; - HGLRC hglrc; - double timerFrequency; -}; - -// Scoped class to manage the fake window used during window creation -struct PuglFakeWindow { - PuglFakeWindow(HWND wnd) : hwnd{wnd}, hdc{wnd ? GetDC(wnd) : 0} {} - PuglFakeWindow(const PuglFakeWindow&) = delete; - - ~PuglFakeWindow() { - if (hwnd) { - ReleaseDC(hwnd, hdc); - DestroyWindow(hwnd); - } - } - - HWND hwnd; - HDC hdc; -}; - -static const TCHAR* DEFAULT_CLASSNAME = "Pugl"; - -LRESULT CALLBACK -wndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); - -PuglInternals* -puglInitInternals(void) -{ - return (PuglInternals*)calloc(1, sizeof(PuglInternals)); -} - -void -puglEnterContext(PuglView* view) -{ - PAINTSTRUCT ps; - BeginPaint(view->impl->hwnd, &ps); - -#ifdef PUGL_HAVE_GL - if (view->ctx_type == PUGL_GL) { - wglMakeCurrent(view->impl->hdc, view->impl->hglrc); - } -#endif -} - -void -puglLeaveContext(PuglView* view, bool flush) -{ -#ifdef PUGL_HAVE_GL - if (view->ctx_type == PUGL_GL && flush) { - SwapBuffers(view->impl->hdc); - } -#endif - - PAINTSTRUCT ps; - EndPaint(view->impl->hwnd, &ps); -} - -static PIXELFORMATDESCRIPTOR -puglGetPixelFormatDescriptor(const PuglHints* hints) -{ - const int rgbBits = hints->red_bits + hints->green_bits + hints->blue_bits; - - PIXELFORMATDESCRIPTOR pfd; - ZeroMemory(&pfd, sizeof(pfd)); - pfd.nSize = sizeof(pfd); - pfd.nVersion = 1; - pfd.dwFlags = PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_DOUBLEBUFFER; - pfd.iPixelType = PFD_TYPE_RGBA; - pfd.cColorBits = (BYTE)rgbBits; - pfd.cRedBits = (BYTE)hints->red_bits; - pfd.cGreenBits = (BYTE)hints->green_bits; - pfd.cBlueBits = (BYTE)hints->blue_bits; - pfd.cAlphaBits = (BYTE)hints->alpha_bits; - pfd.cDepthBits = (BYTE)hints->depth_bits; - pfd.cStencilBits = (BYTE)hints->stencil_bits; - pfd.iLayerType = PFD_MAIN_PLANE; - return pfd; -} - -template <typename Proc> -Proc puglGetProc(const char* name) -{ - return reinterpret_cast<Proc>(wglGetProcAddress(name)); -} - -int -puglCreateWindow(PuglView* view, const char* title) -{ - typedef BOOL (*WglChoosePixelFormat)( - HDC, const int*, const FLOAT*, UINT, int*, UINT*); - - typedef HGLRC (*WglCreateContextAttribs)(HDC, HGLRC, const int*); - - typedef BOOL (*WglSwapInterval)(int); - - const char* className = view->windowClass ? view->windowClass : DEFAULT_CLASSNAME; - - title = title ? title : "Window"; - - // Register window class - WNDCLASSEX wc; - memset(&wc, 0, sizeof(wc)); - wc.cbSize = sizeof(wc); - wc.style = CS_OWNDC; - wc.lpfnWndProc = wndProc; - wc.hInstance = GetModuleHandle(NULL); - wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); // TODO: user-specified icon - wc.hCursor = LoadCursor(NULL, IDC_ARROW); - wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); - wc.lpszClassName = className; - if (!RegisterClassEx(&wc)) { - return 1; - } - - // Calculate window flags - unsigned winFlags = view->parent ? WS_CHILD : WS_POPUPWINDOW | WS_CAPTION; - if (view->hints.resizable) { - winFlags |= WS_SIZEBOX; - if (view->min_width || view->min_height) { - // Adjust the minimum window size to accomodate requested view size - RECT mr = { 0, 0, view->min_width, view->min_height }; - AdjustWindowRectEx(&mr, winFlags, FALSE, WS_EX_TOPMOST); - view->min_width = mr.right - mr.left; - view->min_height = mr.bottom - mr.top; - } - } - - // Adjust the window size to accomodate requested view size - RECT wr = { 0, 0, view->width, view->height }; - AdjustWindowRectEx(&wr, winFlags, FALSE, WS_EX_TOPMOST); - - // Create fake window for getting at GL context - PuglFakeWindow fakeWin( - CreateWindowEx(WS_EX_TOPMOST, - className, title, - (view->parent ? WS_CHILD : winFlags), - CW_USEDEFAULT, CW_USEDEFAULT, - wr.right-wr.left, wr.bottom-wr.top, - (HWND)view->parent, NULL, NULL, NULL)); - - if (!fakeWin.hwnd) { - return 2; - } - - // Choose pixel format for fake window - const auto fakePfd = puglGetPixelFormatDescriptor(&view->hints); - const int fakeFormatId = ChoosePixelFormat(fakeWin.hdc, &fakePfd); - if (!fakeFormatId) { - return 3; - } else if (!SetPixelFormat(fakeWin.hdc, fakeFormatId, &fakePfd)) { - return 4; - } - - HGLRC fakeRc = wglCreateContext(fakeWin.hdc); - if (!fakeRc) { - return 5; - } - - wglMakeCurrent(fakeWin.hdc, fakeRc); - - auto wglChoosePixelFormat = puglGetProc<WglChoosePixelFormat>( - "wglChoosePixelFormatARB"); - auto wglCreateContextAttribs = puglGetProc<WglCreateContextAttribs>( - "wglCreateContextAttribsARB"); - auto wglSwapInterval = puglGetProc<WglSwapInterval>( - "wglSwapIntervalEXT"); - - PuglInternals* impl = view->impl; - - if (wglChoosePixelFormat && wglCreateContextAttribs) { - // Now create real window - impl->hwnd = CreateWindowEx( - WS_EX_TOPMOST, - className, title, - (view->parent ? WS_CHILD : winFlags), - CW_USEDEFAULT, CW_USEDEFAULT, wr.right-wr.left, wr.bottom-wr.top, - (HWND)view->parent, NULL, NULL, NULL); - - impl->hdc = GetDC(impl->hwnd); - - const int pixelAttrs[] = { - WGL_DRAW_TO_WINDOW_ARB, GL_TRUE, - WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB, - WGL_SUPPORT_OPENGL_ARB, GL_TRUE, - WGL_DOUBLE_BUFFER_ARB, view->hints.double_buffer, - WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB, - WGL_SAMPLE_BUFFERS_ARB, view->hints.samples ? 1 : 0, - WGL_SAMPLES_ARB, view->hints.samples, - WGL_RED_BITS_ARB, view->hints.red_bits, - WGL_GREEN_BITS_ARB, view->hints.green_bits, - WGL_BLUE_BITS_ARB, view->hints.blue_bits, - WGL_ALPHA_BITS_ARB, view->hints.alpha_bits, - WGL_DEPTH_BITS_ARB, view->hints.depth_bits, - WGL_STENCIL_BITS_ARB, view->hints.stencil_bits, - 0, - }; - - // Choose pixel format based on hints - int pixelFormatId; - UINT numFormats; - if (!wglChoosePixelFormat(impl->hdc, pixelAttrs, NULL, 1u, &pixelFormatId, &numFormats)) { - return 6; - } - - // Set desired pixel format - PIXELFORMATDESCRIPTOR pfd; - DescribePixelFormat(impl->hdc, pixelFormatId, sizeof(pfd), &pfd); - if (!SetPixelFormat(impl->hdc, pixelFormatId, &pfd)) { - return 7; - } - - // Create final GL context - const int contextAttribs[] = { - WGL_CONTEXT_MAJOR_VERSION_ARB, view->hints.context_version_major, - WGL_CONTEXT_MINOR_VERSION_ARB, view->hints.context_version_minor, - WGL_CONTEXT_PROFILE_MASK_ARB, (view->hints.use_compat_profile - ? WGL_CONTEXT_CORE_PROFILE_BIT_ARB - : WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB), - 0 - }; - - if (!(impl->hglrc = wglCreateContextAttribs(impl->hdc, 0, contextAttribs))) { - return 8; - } - - // Switch to new context - wglMakeCurrent(NULL, NULL); - wglDeleteContext(fakeRc); - if (!wglMakeCurrent(impl->hdc, impl->hglrc)) { - return 9; - } - } else { - // Modern extensions not available, just use the original "fake" window - impl->hwnd = fakeWin.hwnd; - impl->hdc = fakeWin.hdc; - impl->hglrc = fakeRc; - fakeWin.hwnd = 0; - fakeWin.hdc = 0; - } - - if (wglSwapInterval) { - wglSwapInterval(1); - } - - LARGE_INTEGER frequency; - QueryPerformanceFrequency(&frequency); - impl->timerFrequency = static_cast<double>(frequency.QuadPart); - - SetWindowLongPtr(impl->hwnd, GWLP_USERDATA, (LONG_PTR)view); - - return 0; -} - -void -puglShowWindow(PuglView* view) -{ - PuglInternals* impl = view->impl; - - ShowWindow(impl->hwnd, SW_SHOWNORMAL); - view->visible = true; -} - -void -puglHideWindow(PuglView* view) -{ - PuglInternals* impl = view->impl; - - ShowWindow(impl->hwnd, SW_HIDE); - view->visible = false; -} - -void -puglDestroy(PuglView* view) -{ - if (view) { - wglMakeCurrent(NULL, NULL); - wglDeleteContext(view->impl->hglrc); - ReleaseDC(view->impl->hwnd, view->impl->hdc); - DestroyWindow(view->impl->hwnd); - UnregisterClass(view->windowClass ? view->windowClass : DEFAULT_CLASSNAME, NULL); - free(view->windowClass); - free(view->impl); - free(view); - } -} - -static PuglKey -keySymToSpecial(WPARAM sym) -{ - switch (sym) { - case VK_F1: return PUGL_KEY_F1; - case VK_F2: return PUGL_KEY_F2; - case VK_F3: return PUGL_KEY_F3; - case VK_F4: return PUGL_KEY_F4; - case VK_F5: return PUGL_KEY_F5; - case VK_F6: return PUGL_KEY_F6; - case VK_F7: return PUGL_KEY_F7; - case VK_F8: return PUGL_KEY_F8; - case VK_F9: return PUGL_KEY_F9; - case VK_F10: return PUGL_KEY_F10; - case VK_F11: return PUGL_KEY_F11; - case VK_F12: return PUGL_KEY_F12; - case VK_LEFT: return PUGL_KEY_LEFT; - case VK_UP: return PUGL_KEY_UP; - case VK_RIGHT: return PUGL_KEY_RIGHT; - case VK_DOWN: return PUGL_KEY_DOWN; - case VK_PRIOR: return PUGL_KEY_PAGE_UP; - case VK_NEXT: return PUGL_KEY_PAGE_DOWN; - case VK_HOME: return PUGL_KEY_HOME; - case VK_END: return PUGL_KEY_END; - case VK_INSERT: return PUGL_KEY_INSERT; - case VK_SHIFT: return PUGL_KEY_SHIFT; - case VK_CONTROL: return PUGL_KEY_CTRL; - case VK_MENU: return PUGL_KEY_ALT; - case VK_LWIN: return PUGL_KEY_SUPER; - case VK_RWIN: return PUGL_KEY_SUPER; - } - return (PuglKey)0; -} - -static uint32_t -getModifiers() -{ - uint32_t mods = 0; - mods |= (GetKeyState(VK_SHIFT) < 0) ? PUGL_MOD_SHIFT : 0; - mods |= (GetKeyState(VK_CONTROL) < 0) ? PUGL_MOD_CTRL : 0; - mods |= (GetKeyState(VK_MENU) < 0) ? PUGL_MOD_ALT : 0; - mods |= (GetKeyState(VK_LWIN) < 0) ? PUGL_MOD_SUPER : 0; - mods |= (GetKeyState(VK_RWIN) < 0) ? PUGL_MOD_SUPER : 0; - return mods; -} - -static void -initMouseEvent(PuglEvent* event, - PuglView* view, - int button, - bool press, - LPARAM lParam) -{ - POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) }; - ClientToScreen(view->impl->hwnd, &pt); - - if (press) { - SetCapture(view->impl->hwnd); - } else { - ReleaseCapture(); - } - - event->button.time = static_cast<uint32_t>(GetMessageTime()); - event->button.type = press ? PUGL_BUTTON_PRESS : PUGL_BUTTON_RELEASE; - event->button.x = GET_X_LPARAM(lParam); - event->button.y = GET_Y_LPARAM(lParam); - event->button.x_root = pt.x; - event->button.y_root = pt.y; - event->button.state = getModifiers(); - event->button.button = static_cast<uint32_t>(button); -} - -static void -initScrollEvent(PuglEvent* event, PuglView* view, LPARAM lParam, WPARAM) -{ - POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) }; - ScreenToClient(view->impl->hwnd, &pt); - - event->scroll.time = static_cast<uint32_t>(GetMessageTime()); - event->scroll.type = PUGL_SCROLL; - event->scroll.x = pt.x; - event->scroll.y = pt.y; - event->scroll.x_root = GET_X_LPARAM(lParam); - event->scroll.y_root = GET_Y_LPARAM(lParam); - event->scroll.state = getModifiers(); - event->scroll.dx = 0; - event->scroll.dy = 0; -} - -static uint32_t -utf16_to_code_point(const wchar_t* input, const int input_size) -{ - uint32_t code_unit = *input; - // Equiv. range check between 0xD800 to 0xDBFF inclusive - if ((code_unit & 0xFC00) == 0xD800) { - if (input_size < 2) { - // "Error: is surrogate but input_size too small" - return 0xFFFD; // replacement character - } - - uint32_t code_unit_2 = *++input; - // Equiv. range check between 0xDC00 to 0xDFFF inclusive - if ((code_unit_2 & 0xFC00) == 0xDC00) { - return (code_unit << 10) + code_unit_2 - 0x35FDC00; - } - - // TODO: push_back(code_unit_2); - // "Error: Unpaired surrogates." - return 0xFFFD; // replacement character - } - return code_unit; -} - -static void -initKeyEvent(PuglEvent* event, PuglView* view, bool press, LPARAM lParam) -{ - POINT rpos = { 0, 0 }; - GetCursorPos(&rpos); - - POINT cpos = { rpos.x, rpos.y }; - ScreenToClient(view->impl->hwnd, &rpos); - - event->key.type = press ? PUGL_KEY_PRESS : PUGL_KEY_RELEASE; - event->key.time = static_cast<uint32_t>(GetMessageTime()); - event->key.state = getModifiers(); - event->key.x_root = rpos.x; - event->key.y_root = rpos.y; - event->key.x = cpos.x; - event->key.y = cpos.y; - event->key.keycode = static_cast<uint32_t>((lParam & 0xFF0000) >> 16); - event->key.character = 0; - event->key.special = static_cast<PuglKey>(0); - event->key.filter = 0; -} - -static void -wcharBufToEvent(wchar_t* buf, int n, PuglEvent* event) -{ - if (n > 0) { - char* charp = reinterpret_cast<char*>(event->key.utf8); - if (!WideCharToMultiByte(CP_UTF8, 0, buf, n, - charp, 8, NULL, NULL)) { - /* error: could not convert to utf-8, - GetLastError has details */ - memset(event->key.utf8, 0, 8); - // replacement character - event->key.utf8[0] = 0xEF; - event->key.utf8[1] = 0xBF; - event->key.utf8[2] = 0xBD; - } - - event->key.character = utf16_to_code_point(buf, n); - } else { - // replacement character - event->key.utf8[0] = 0xEF; - event->key.utf8[1] = 0xBF; - event->key.utf8[2] = 0xBD; - event->key.character = 0xFFFD; - } -} - -static void -translateMessageParamsToEvent(LPARAM, WPARAM wParam, PuglEvent* event) -{ - /* TODO: This is a kludge. Would be nice to use ToUnicode here, but this - breaks composed keys because it messes with the keyboard state. Not - sure how to correctly handle this on Windows. */ - - // This is how I really want to do this, but it breaks composed keys (é, - // è, ü, ö, and so on) because ToUnicode messes with the keyboard state. - - //wchar_t buf[5]; - //BYTE keyboard_state[256]; - //int wcharCount = 0; - //GetKeyboardState(keyboard_state); - //wcharCount = ToUnicode(wParam, MapVirtualKey(wParam, MAPVK_VK_TO_VSC), - // keyboard_state, buf, 4, 0); - //wcharBufToEvent(buf, wcharCount, event); - - // So, since Google refuses to give me a better solution, and if no one - // else has a better solution, I will make a hack... - wchar_t buf[5] = { 0, 0, 0, 0, 0 }; - WPARAM c = MapVirtualKey(static_cast<unsigned>(wParam), MAPVK_VK_TO_CHAR); - buf[0] = c & 0xffff; - // TODO: This does not take caps lock into account - // TODO: Dead keys should affect key releases as well - if (!(event->key.state && PUGL_MOD_SHIFT)) - buf[0] = towlower(buf[0]); - wcharBufToEvent(buf, 1, event); - event->key.filter = ((c >> 31) & 0x1); -} - -static void -translateCharEventToEvent(WPARAM wParam, PuglEvent* event) -{ - wchar_t buf[2]; - int wcharCount; - if (wParam & 0xFFFF0000) { - wcharCount = 2; - buf[0] = (wParam & 0xFFFF); - buf[1] = ((wParam >> 16) & 0xFFFF); - } else { - wcharCount = 1; - buf[0] = (wParam & 0xFFFF); - } - wcharBufToEvent(buf, wcharCount, event); -} - -static bool -ignoreKeyEvent(PuglView* view, LPARAM lParam) -{ - return view->ignoreKeyRepeat && (lParam & (1 << 30)); -} - -static LRESULT -handleMessage(PuglView* view, UINT message, WPARAM wParam, LPARAM lParam) -{ - PuglEvent event; - void* dummy_ptr = NULL; - RECT rect; - MINMAXINFO* mmi; - POINT pt; - - memset(&event, 0, sizeof(event)); - - event.any.type = PUGL_NOTHING; - event.any.view = view; - if (InSendMessageEx(dummy_ptr)) { - event.any.flags |= PUGL_IS_SEND_EVENT; - } - - switch (message) { - case WM_CREATE: - case WM_SHOWWINDOW: - case WM_SIZE: - GetWindowRect(view->impl->hwnd, &rect); - event.configure.type = PUGL_CONFIGURE; - event.configure.x = rect.left; - event.configure.y = rect.top; - view->width = rect.right - rect.left; - view->height = rect.bottom - rect.top; - event.configure.width = view->width; - event.configure.height = view->height; - InvalidateRect(view->impl->hwnd, NULL, FALSE); - UpdateWindow(view->impl->hwnd); - break; - case WM_GETMINMAXINFO: - mmi = (MINMAXINFO*)lParam; - mmi->ptMinTrackSize.x = view->min_width; - mmi->ptMinTrackSize.y = view->min_height; - break; - case WM_PAINT: - GetUpdateRect(view->impl->hwnd, &rect, false); - event.expose.type = PUGL_EXPOSE; - event.expose.x = rect.left; - event.expose.y = rect.top; - event.expose.width = rect.right - rect.left; - event.expose.height = rect.bottom - rect.top; - event.expose.count = 0; - break; - case WM_MOUSEMOVE: - pt.x = GET_X_LPARAM(lParam); - pt.y = GET_Y_LPARAM(lParam); - ClientToScreen(view->impl->hwnd, &pt); - - event.motion.type = PUGL_MOTION_NOTIFY; - event.motion.time = static_cast<uint32_t>(GetMessageTime()); - event.motion.x = GET_X_LPARAM(lParam); - event.motion.y = GET_Y_LPARAM(lParam); - event.motion.x_root = pt.x; - event.motion.y_root = pt.y; - event.motion.state = getModifiers(); - event.motion.is_hint = false; - break; - case WM_LBUTTONDOWN: - initMouseEvent(&event, view, 1, true, lParam); - break; - case WM_MBUTTONDOWN: - initMouseEvent(&event, view, 2, true, lParam); - break; - case WM_RBUTTONDOWN: - initMouseEvent(&event, view, 3, true, lParam); - break; - case WM_LBUTTONUP: - initMouseEvent(&event, view, 1, false, lParam); - break; - case WM_MBUTTONUP: - initMouseEvent(&event, view, 2, false, lParam); - break; - case WM_RBUTTONUP: - initMouseEvent(&event, view, 3, false, lParam); - break; - case WM_MOUSEWHEEL: - initScrollEvent(&event, view, lParam, wParam); - event.scroll.dy = GET_WHEEL_DELTA_WPARAM(wParam) / (float)WHEEL_DELTA; - break; - case WM_MOUSEHWHEEL: - initScrollEvent(&event, view, lParam, wParam); - event.scroll.dx = GET_WHEEL_DELTA_WPARAM(wParam) / (float)WHEEL_DELTA; - break; - case WM_KEYDOWN: - if (!ignoreKeyEvent(view, lParam)) { - initKeyEvent(&event, view, true, lParam); - if (!(event.key.special = keySymToSpecial(wParam))) { - event.key.type = PUGL_NOTHING; - } - } - break; - case WM_CHAR: - if (!ignoreKeyEvent(view, lParam)) { - initKeyEvent(&event, view, true, lParam); - translateCharEventToEvent(wParam, &event); - } - break; - case WM_DEADCHAR: - if (!ignoreKeyEvent(view, lParam)) { - initKeyEvent(&event, view, true, lParam); - translateCharEventToEvent(wParam, &event); - event.key.filter = 1; - } - break; - case WM_KEYUP: - initKeyEvent(&event, view, false, lParam); - if (!(event.key.special = keySymToSpecial(wParam))) { - translateMessageParamsToEvent(lParam, wParam, &event); - } - break; - case WM_QUIT: - case PUGL_LOCAL_CLOSE_MSG: - event.close.type = PUGL_CLOSE; - break; - default: - return DefWindowProc( - view->impl->hwnd, message, wParam, lParam); - } - - puglDispatchEvent(view, &event); - - return 0; -} - -void -puglGrabFocus(PuglView*) -{ - // TODO -} - -PuglStatus -puglWaitForEvent(PuglView*) -{ - WaitMessage(); - return PUGL_SUCCESS; -} - -PuglStatus -puglProcessEvents(PuglView* view) -{ - MSG msg; - while (PeekMessage(&msg, view->impl->hwnd, 0, 0, PM_REMOVE)) { - TranslateMessage(&msg); - handleMessage(view, msg.message, msg.wParam, msg.lParam); - } - - if (view->redisplay) { - InvalidateRect(view->impl->hwnd, NULL, FALSE); - view->redisplay = false; - } - - return PUGL_SUCCESS; -} - -LRESULT CALLBACK -wndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) -{ - PuglView* view = (PuglView*)GetWindowLongPtr(hwnd, GWLP_USERDATA); - - switch (message) { - case WM_CREATE: - PostMessage(hwnd, WM_SHOWWINDOW, TRUE, 0); - return 0; - case WM_CLOSE: - PostMessage(hwnd, PUGL_LOCAL_CLOSE_MSG, wParam, lParam); - return 0; - case WM_DESTROY: - return 0; - default: - if (view && hwnd == view->impl->hwnd) { - return handleMessage(view, message, wParam, lParam); - } else { - return DefWindowProc(hwnd, message, wParam, lParam); - } - } -} - -PuglGlFunc -puglGetProcAddress(const char* name) -{ - return (PuglGlFunc)wglGetProcAddress(name); -} - -double -puglGetTime(PuglView* view) -{ - LARGE_INTEGER count; - QueryPerformanceCounter(&count); - return double(count.QuadPart) / view->impl->timerFrequency; -} - -void -puglPostRedisplay(PuglView* view) -{ - view->redisplay = true; -} - -PuglNativeWindow -puglGetNativeWindow(PuglView* view) -{ - return (PuglNativeWindow)view->impl->hwnd; -} |