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-rw-r--r--pugl/pugl_win.c791
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diff --git a/pugl/pugl_win.c b/pugl/pugl_win.c
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+/*
+ 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.c 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
+typedef struct {
+ HWND hwnd;
+ HDC hdc;
+} PuglFakeWindow;
+
+static const TCHAR* DEFAULT_CLASSNAME = "Pugl";
+
+static PuglFakeWindow
+puglMakeFakeWindow(HWND wnd)
+{
+ const PuglFakeWindow fakeWin = {wnd, wnd ? GetDC(wnd) : 0};
+ return fakeWin;
+}
+
+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;
+}
+
+static int
+puglWinError(PuglFakeWindow* fakeWin, const int status)
+{
+ if (fakeWin->hwnd) {
+ ReleaseDC(fakeWin->hwnd, fakeWin->hdc);
+ DestroyWindow(fakeWin->hwnd);
+ }
+
+ return status;
+}
+
+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 = puglMakeFakeWindow(
+ 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 puglWinError(&fakeWin, 2);
+ }
+
+ // Choose pixel format for fake window
+ const PIXELFORMATDESCRIPTOR fakePfd = puglGetPixelFormatDescriptor(
+ &view->hints);
+ const int fakeFormatId = ChoosePixelFormat(fakeWin.hdc, &fakePfd);
+ if (!fakeFormatId) {
+ return puglWinError(&fakeWin, 3);
+ } else if (!SetPixelFormat(fakeWin.hdc, fakeFormatId, &fakePfd)) {
+ return puglWinError(&fakeWin, 4);
+ }
+
+ HGLRC fakeRc = wglCreateContext(fakeWin.hdc);
+ if (!fakeRc) {
+ return puglWinError(&fakeWin, 5);
+ }
+
+ wglMakeCurrent(fakeWin.hdc, fakeRc);
+
+ WglChoosePixelFormat wglChoosePixelFormat = (WglChoosePixelFormat)(
+ wglGetProcAddress("wglChoosePixelFormatARB"));
+ WglCreateContextAttribs wglCreateContextAttribs = (WglCreateContextAttribs)(
+ wglGetProcAddress("wglCreateContextAttribsARB"));
+ WglSwapInterval wglSwapInterval = (WglSwapInterval)(
+ wglGetProcAddress("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 puglWinError(&fakeWin, 6);
+ }
+
+ // Set desired pixel format
+ PIXELFORMATDESCRIPTOR pfd;
+ DescribePixelFormat(impl->hdc, pixelFormatId, sizeof(pfd), &pfd);
+ if (!SetPixelFormat(impl->hdc, pixelFormatId, &pfd)) {
+ return puglWinError(&fakeWin, 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 puglWinError(&fakeWin, 8);
+ }
+
+ // Switch to new context
+ wglMakeCurrent(NULL, NULL);
+ wglDeleteContext(fakeRc);
+ if (!wglMakeCurrent(impl->hdc, impl->hglrc)) {
+ return puglWinError(&fakeWin, 9);
+ }
+
+ ReleaseDC(fakeWin.hwnd, fakeWin.hdc);
+ DestroyWindow(fakeWin.hwnd);
+ } 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 = (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(void)
+{
+ 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 = (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 = (uint32_t)button;
+}
+
+static void
+initScrollEvent(PuglEvent* event, PuglView* view, LPARAM lParam)
+{
+ POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
+ ScreenToClient(view->impl->hwnd, &pt);
+
+ event->scroll.time = (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 = (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 = (uint32_t)((lParam & 0xFF0000) >> 16);
+ event->key.character = 0;
+ event->key.special = (PuglKey)0;
+ event->key.filter = 0;
+}
+
+static void
+wcharBufToEvent(wchar_t* buf, int n, PuglEvent* event)
+{
+ if (n > 0) {
+ char* charp = (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 lParam, WPARAM wParam, PuglEvent* event)
+{
+ (void)lParam;
+
+ /* 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((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 = (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);
+ event.scroll.dy = GET_WHEEL_DELTA_WPARAM(wParam) / (float)WHEEL_DELTA;
+ break;
+ case WM_MOUSEHWHEEL:
+ initScrollEvent(&event, view, lParam);
+ 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* view)
+{
+ (void)view;
+ // TODO
+}
+
+PuglStatus
+puglWaitForEvent(PuglView* view)
+{
+ (void)view;
+ 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;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-23 19:47:13 +0000