示例#1
0
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
{
    // HACK: Use DwmFlush when desktop composition is enabled
    if (_glfwIsCompositionEnabled() && !window->monitor)
    {
        int count = abs(window->wgl.interval);
        while (count--)
            _glfw_DwmFlush();
    }

    SwapBuffers(window->wgl.dc);
}
示例#2
0
void _glfwPlatformSwapInterval(int interval)
{
    _GLFWwindow* window = _glfwPlatformGetCurrentContext();

    if (_glfwIsCompositionEnabled())
    {
        // Don't enabled vsync when desktop compositing is enabled, as it leads
        // to frame jitter
        return;
    }

    if (window->wgl.EXT_swap_control)
        window->wgl.SwapIntervalEXT(interval);
}
示例#3
0
void _glfwPlatformSwapInterval(int interval)
{
    _GLFWwindow* window = _glfwPlatformGetCurrentContext();

    window->wgl.interval = interval;

    // HACK: Disable WGL swap interval when desktop composition is enabled to
    //       avoid interfering with DWM vsync
    if (_glfwIsCompositionEnabled() && !window->monitor)
        interval = 0;

    if (window->wgl.EXT_swap_control)
        window->wgl.SwapIntervalEXT(interval);
}
void _glfwPlatformSwapInterval(int interval)
{
    _GLFWwindow* window = _glfwPlatformGetCurrentContext();

#if !defined(_GLFW_USE_DWM_SWAP_INTERVAL)
    // HACK: Don't enabled vsync when desktop compositing is enabled, as it
    //       leads to severe frame jitter on some cards
    if (_glfwIsCompositionEnabled() && interval)
        return;
#endif

    if (window->wgl.EXT_swap_control)
        window->wgl.SwapIntervalEXT(interval);
}
示例#5
0
void _glfwPlatformSwapInterval(int interval)
{
    _GLFWwindow* window = _glfwPlatformGetCurrentContext();

#if !defined(_GLFW_USE_DWM_SWAP_INTERVAL)
    if (_glfwIsCompositionEnabled() && interval)
    {
        // Don't enabled vsync when desktop compositing is enabled, as it leads
        // to frame jitter
        return;
    }
#endif

    if (window->wgl.EXT_swap_control)
        window->wgl.SwapIntervalEXT(interval);
}
// Window callback function (handles window events)
//
static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
                                   WPARAM wParam, LPARAM lParam)
{
    _GLFWwindow* window = (_GLFWwindow*) GetWindowLongPtrW(hWnd, 0);

    switch (uMsg)
    {
        case WM_NCCREATE:
        {
            CREATESTRUCTW* cs = (CREATESTRUCTW*) lParam;
            SetWindowLongPtrW(hWnd, 0, (LONG_PTR) cs->lpCreateParams);
            break;
        }

        case WM_SETFOCUS:
        {
            if (window->cursorMode != GLFW_CURSOR_NORMAL)
                _glfwPlatformApplyCursorMode(window);

            if (window->monitor && window->autoIconify)
                enterFullscreenMode(window);

            _glfwInputWindowFocus(window, GL_TRUE);
            return 0;
        }

        case WM_KILLFOCUS:
        {
            if (window->cursorMode != GLFW_CURSOR_NORMAL)
                restoreCursor(window);

            if (window->monitor && window->autoIconify)
            {
                _glfwPlatformIconifyWindow(window);
                leaveFullscreenMode(window);
            }

            _glfwInputWindowFocus(window, GL_FALSE);
            return 0;
        }

        case WM_SYSCOMMAND:
        {
            switch (wParam & 0xfff0)
            {
                case SC_SCREENSAVE:
                case SC_MONITORPOWER:
                {
                    if (window->monitor)
                    {
                        // We are running in full screen mode, so disallow
                        // screen saver and screen blanking
                        return 0;
                    }
                    else
                        break;
                }

                // User trying to access application menu using ALT?
                case SC_KEYMENU:
                    return 0;
            }
            break;
        }

        case WM_CLOSE:
        {
            _glfwInputWindowCloseRequest(window);
            return 0;
        }

        case WM_KEYDOWN:
        case WM_SYSKEYDOWN:
        {
            const int scancode = (lParam >> 16) & 0x1ff;
            const int key = translateKey(wParam, lParam);
            if (key == _GLFW_KEY_INVALID)
                break;

            _glfwInputKey(window, key, scancode, GLFW_PRESS, getKeyMods());
            break;
        }

        case WM_CHAR:
        {
            _glfwInputChar(window, (unsigned int) wParam, getKeyMods(), GL_TRUE);
            return 0;
        }

        case WM_SYSCHAR:
        {
            _glfwInputChar(window, (unsigned int) wParam, getKeyMods(), GL_FALSE);
            return 0;
        }

        case WM_UNICHAR:
        {
            // This message is not sent by Windows, but is sent by some
            // third-party input method engines

            if (wParam == UNICODE_NOCHAR)
            {
                // Returning TRUE here announces support for this message
                return TRUE;
            }

            _glfwInputChar(window, (unsigned int) wParam, getKeyMods(), GL_TRUE);
            return FALSE;
        }

        case WM_KEYUP:
        case WM_SYSKEYUP:
        {
            const int mods = getKeyMods();
            const int scancode = (lParam >> 16) & 0x1ff;
            const int key = translateKey(wParam, lParam);
            if (key == _GLFW_KEY_INVALID)
                break;

            if (wParam == VK_SHIFT)
            {
                // Release both Shift keys on Shift up event, as only one event
                // is sent even if both keys are released
                _glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, scancode, GLFW_RELEASE, mods);
                _glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, scancode, GLFW_RELEASE, mods);
            }
            else if (wParam == VK_SNAPSHOT)
            {
                // Key down is not reported for the print screen key
                _glfwInputKey(window, key, scancode, GLFW_PRESS, mods);
                _glfwInputKey(window, key, scancode, GLFW_RELEASE, mods);
            }
            else
                _glfwInputKey(window, key, scancode, GLFW_RELEASE, mods);

            break;
        }

        case WM_LBUTTONDOWN:
        case WM_RBUTTONDOWN:
        case WM_MBUTTONDOWN:
        case WM_XBUTTONDOWN:
        {
            const int mods = getKeyMods();

            SetCapture(hWnd);

            if (uMsg == WM_LBUTTONDOWN)
                _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
            else if (uMsg == WM_RBUTTONDOWN)
                _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
            else if (uMsg == WM_MBUTTONDOWN)
                _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
            else
            {
                if (HIWORD(wParam) == XBUTTON1)
                    _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_PRESS, mods);
                else if (HIWORD(wParam) == XBUTTON2)
                    _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_PRESS, mods);

                return TRUE;
            }

            return 0;
        }

        case WM_LBUTTONUP:
        case WM_RBUTTONUP:
        case WM_MBUTTONUP:
        case WM_XBUTTONUP:
        {
            const int mods = getKeyMods();

            ReleaseCapture();

            if (uMsg == WM_LBUTTONUP)
                _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE, mods);
            else if (uMsg == WM_RBUTTONUP)
                _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_RELEASE, mods);
            else if (uMsg == WM_MBUTTONUP)
                _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_RELEASE, mods);
            else
            {
                if (HIWORD(wParam) == XBUTTON1)
                    _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_RELEASE, mods);
                else if (HIWORD(wParam) == XBUTTON2)
                    _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_RELEASE, mods);

                return TRUE;
            }

            return 0;
        }

        case WM_MOUSEMOVE:
        {
            const int x = GET_X_LPARAM(lParam);
            const int y = GET_Y_LPARAM(lParam);

            if (window->cursorMode == GLFW_CURSOR_DISABLED)
            {
                if (_glfw.focusedWindow != window)
                    break;

                _glfwInputCursorMotion(window,
                                        x - window->win32.cursorPosX,
                                        y - window->win32.cursorPosY);
            }
            else
                _glfwInputCursorMotion(window, x, y);

            window->win32.cursorPosX = x;
            window->win32.cursorPosY = y;

            if (!window->win32.cursorInside)
            {
                TRACKMOUSEEVENT tme;
                ZeroMemory(&tme, sizeof(tme));
                tme.cbSize = sizeof(tme);
                tme.dwFlags = TME_LEAVE;
                tme.hwndTrack = window->win32.handle;
                TrackMouseEvent(&tme);

                window->win32.cursorInside = GL_TRUE;
                _glfwInputCursorEnter(window, GL_TRUE);
            }

            return 0;
        }

        case WM_MOUSELEAVE:
        {
            window->win32.cursorInside = GL_FALSE;
            _glfwInputCursorEnter(window, GL_FALSE);
            return 0;
        }

        case WM_MOUSEWHEEL:
        {
            _glfwInputScroll(window, 0.0, (SHORT) HIWORD(wParam) / (double) WHEEL_DELTA);
            return 0;
        }

        case WM_MOUSEHWHEEL:
        {
            // This message is only sent on Windows Vista and later
            // NOTE: The X-axis is inverted for consistency with OS X and X11.
            _glfwInputScroll(window, -((SHORT) HIWORD(wParam) / (double) WHEEL_DELTA), 0.0);
            return 0;
        }

        case WM_SIZE:
        {
            if (_glfw.focusedWindow == window)
            {
                if (window->cursorMode == GLFW_CURSOR_DISABLED)
                    updateClipRect(window);
            }

            if (!window->win32.iconified && wParam == SIZE_MINIMIZED)
            {
                window->win32.iconified = GL_TRUE;
                _glfwInputWindowIconify(window, GL_TRUE);
            }
            else if (window->win32.iconified &&
                     (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED))
            {
                window->win32.iconified = GL_FALSE;
                _glfwInputWindowIconify(window, GL_FALSE);
            }

            _glfwInputFramebufferSize(window, LOWORD(lParam), HIWORD(lParam));
            _glfwInputWindowSize(window, LOWORD(lParam), HIWORD(lParam));
            return 0;
        }

        case WM_MOVE:
        {
            if (_glfw.focusedWindow == window)
            {
                if (window->cursorMode == GLFW_CURSOR_DISABLED)
                    updateClipRect(window);
            }

            // NOTE: This cannot use LOWORD/HIWORD recommended by MSDN, as
            // those macros do not handle negative window positions correctly
            _glfwInputWindowPos(window,
                                GET_X_LPARAM(lParam),
                                GET_Y_LPARAM(lParam));
            return 0;
        }

        case WM_PAINT:
        {
            _glfwInputWindowDamage(window);
            break;
        }

        case WM_ERASEBKGND:
        {
            return TRUE;
        }

        case WM_SETCURSOR:
        {
            if (_glfw.focusedWindow == window && LOWORD(lParam) == HTCLIENT)
            {
                if (window->cursorMode == GLFW_CURSOR_HIDDEN ||
                    window->cursorMode == GLFW_CURSOR_DISABLED)
                {
                    SetCursor(NULL);
                    return TRUE;
                }
                else if (window->cursor)
                {
                    SetCursor(window->cursor->win32.handle);
                    return TRUE;
                }
            }

            break;
        }

        case WM_DEVICECHANGE:
        {
            if (DBT_DEVNODES_CHANGED == wParam)
            {
                _glfwInputMonitorChange();
                return TRUE;
            }
            break;
        }

        case WM_DWMCOMPOSITIONCHANGED:
        {
            if (_glfwIsCompositionEnabled())
            {
                _GLFWwindow* previous = _glfwPlatformGetCurrentContext();
                _glfwPlatformMakeContextCurrent(window);
                _glfwPlatformSwapInterval(0);
                _glfwPlatformMakeContextCurrent(previous);
            }

            // TODO: Restore vsync if compositing was disabled
            break;
        }

        case WM_DROPFILES:
        {
            HDROP hDrop = (HDROP) wParam;
            POINT pt;
            int i;

            const int count = DragQueryFileW(hDrop, 0xffffffff, NULL, 0);
            char** paths = calloc(count, sizeof(char*));

            // Move the mouse to the position of the drop
            DragQueryPoint(hDrop, &pt);
            _glfwInputCursorMotion(window, pt.x, pt.y);

            for (i = 0;  i < count;  i++)
            {
                const UINT length = DragQueryFileW(hDrop, i, NULL, 0);
                WCHAR* buffer = calloc(length + 1, sizeof(WCHAR));

                DragQueryFileW(hDrop, i, buffer, length + 1);
                paths[i] = _glfwCreateUTF8FromWideString(buffer);

                free(buffer);
            }

            _glfwInputDrop(window, count, (const char**) paths);

            for (i = 0;  i < count;  i++)
                free(paths[i]);
            free(paths);

            DragFinish(hDrop);
            return 0;
        }
    }

    return DefWindowProc(hWnd, uMsg, wParam, lParam);
}