Mercurial > sdl-ios-xcode
diff EXCLUDE/GLTSF/src/Window.cpp @ 4730:6032ada8b9e5
Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
author | dewyatt |
---|---|
date | Tue, 25 May 2010 18:53:09 -0400 |
parents | |
children | 0c7c67d4e6ee |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EXCLUDE/GLTSF/src/Window.cpp Tue May 25 18:53:09 2010 -0400 @@ -0,0 +1,263 @@ +#include "Window.hpp" + +#pragma comment(lib, "opengl32.lib") + +const wchar_t *Window::Window_Class_Name = L"GLTSF"; + +Window::Window() : my_Handle(0), + my_Device_Context(0), + my_GL_Context(0), + my_Class_Registered(false), + my_Listener(0) +{ + +} + +Window::~Window() +{ + Finalize(); +} + +void Window::Initialize(const std::wstring &Title, const Video_Mode &Mode, bool Fullscreen) +{ + Finalize(); + + my_Video_Mode = Mode; + if (!my_Video_Mode.Is_Valid()) + throw std::runtime_error("Invalid video mode"); + + my_Fullscreen = Fullscreen; + Register_Class(); + Create_Window(Title, Mode, Fullscreen); +} + +void Window::Finalize() +{ + Destroy_Window(); + Unregister_Class(); +} + +void Window::Set_Listener(Window_Listener *Listener) +{ + my_Listener = Listener; +} + +void Window::Register_Class() +{ + WNDCLASSEXW Window_Class = {0}; + Window_Class.cbSize = sizeof(Window_Class); + Window_Class.style = 0; + Window_Class.lpfnWndProc = &Window::Window_Procedure; + Window_Class.cbClsExtra = 0; + Window_Class.cbWndExtra = 0; + Window_Class.hInstance = GetModuleHandle(NULL); + Window_Class.hIcon = NULL; + Window_Class.hCursor = NULL; + Window_Class.hbrBackground = NULL; + Window_Class.lpszMenuName = NULL; + Window_Class.lpszClassName = Window_Class_Name; + Window_Class.hIconSm = NULL; + if (0 == RegisterClassExW(&Window_Class)) + throw std::runtime_error("Failed to register window class"); + + my_Class_Registered = true; +} + +void Window::Unregister_Class() +{ + if (my_Class_Registered) + { + if (0 == UnregisterClassW(Window_Class_Name, GetModuleHandle(NULL))) + printf("Warning: Failed to unregister window class\n"); + + my_Class_Registered = false; + } +} + +void Window::Create_Window(const std::wstring &Title, const Video_Mode &Mode, bool Fullscreen) +{ + HDC Screen_DC = GetDC(NULL); + int Left = (GetDeviceCaps(Screen_DC, HORZRES) - my_Video_Mode.Width) / 2; + int Top = (GetDeviceCaps(Screen_DC, VERTRES) - my_Video_Mode.Height) / 2; + int Width = my_Video_Mode.Width; + int Height = my_Video_Mode.Height; + ReleaseDC(NULL, Screen_DC); + + DWORD Style = WS_OVERLAPPEDWINDOW; + if (!my_Fullscreen) + { + RECT Rect = {0, 0, Width, Height}; + AdjustWindowRect(&Rect, Style, false); + Width = Rect.right - Rect.left; + Height = Rect.bottom - Rect.top; + } + my_Handle = CreateWindowW(Window_Class_Name, Title.c_str(), Style, Left, Top, Width, Height, NULL, NULL, GetModuleHandle(NULL), this); + if (!my_Handle) + throw std::runtime_error("Failed to create window"); + + if (Fullscreen) + Switch_To_Fullscreen(Mode); + + Create_Context(Mode); + + RECT Rect = {0}; + GetClientRect(my_Handle, &Rect); + //TODO: ... +} + +void Window::Destroy_Window() +{ + Destroy_Context(); + if (my_Handle) + { + DestroyWindow(my_Handle); + my_Handle = 0; + + if (my_Fullscreen) + ChangeDisplaySettings(NULL, 0); + } +} + +void Window::Create_Context(const Video_Mode &Mode) +{ + my_Device_Context = GetDC(my_Handle); + if (!my_Device_Context) + throw std::runtime_error("Failed to get device context"); + + PIXELFORMATDESCRIPTOR Pixel_Descriptor = {0}; + Pixel_Descriptor.nSize = sizeof(Pixel_Descriptor); + Pixel_Descriptor.nVersion = 1; + Pixel_Descriptor.iLayerType = PFD_MAIN_PLANE; + Pixel_Descriptor.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; + Pixel_Descriptor.iPixelType = PFD_TYPE_RGBA; + Pixel_Descriptor.cColorBits = static_cast<BYTE>(Mode.Bits_Per_Pixel); + Pixel_Descriptor.cDepthBits = 24; + Pixel_Descriptor.cStencilBits = 8; + Pixel_Descriptor.cAlphaBits = Mode.Bits_Per_Pixel == 32 ? 8 : 0; + + int Best_Format = ChoosePixelFormat(my_Device_Context, &Pixel_Descriptor); + if (0 == Best_Format) + throw std::runtime_error("Failed to find suitable pixel format"); + + PIXELFORMATDESCRIPTOR Actual_Format = {0}; + Actual_Format.nSize = sizeof(Actual_Format); + Actual_Format.nVersion = 1; + DescribePixelFormat(my_Device_Context, Best_Format, sizeof(Actual_Format), &Actual_Format); + if (!SetPixelFormat(my_Device_Context, Best_Format, &Actual_Format)) + throw std::runtime_error("Failed to set device pixel format"); + + my_GL_Context = wglCreateContext(my_Device_Context); + if (!my_GL_Context) + throw std::runtime_error("Failed to create OpenGL context"); + + wglMakeCurrent(my_Device_Context, my_GL_Context); +} + +void Window::Destroy_Context() +{ + if (my_GL_Context) + { + wglDeleteContext(my_GL_Context); + my_GL_Context = 0; + } + if (my_Device_Context) + { + ReleaseDC(my_Handle, my_Device_Context); + my_Device_Context = 0; + } +} + +void Window::Switch_To_Fullscreen(const Video_Mode &Mode) +{ + DEVMODE Device_Mode = {0}; + Device_Mode.dmSize = sizeof(Device_Mode); + Device_Mode.dmPelsWidth = Mode.Width; + Device_Mode.dmPelsHeight = Mode.Height; + Device_Mode.dmBitsPerPel = Mode.Bits_Per_Pixel; + Device_Mode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; + + if (DISP_CHANGE_SUCCESSFUL != ChangeDisplaySettings(&Device_Mode, CDS_FULLSCREEN)) + throw std::runtime_error("Failed to change to fullscreen mode"); + + SetWindowLong(my_Handle, GWL_STYLE, WS_POPUP | WS_CLIPCHILDREN | WS_CLIPSIBLINGS); + SetWindowLong(my_Handle, GWL_EXSTYLE, WS_EX_APPWINDOW); + + SetWindowPos(my_Handle, HWND_TOP, 0, 0, Mode.Width, Mode.Height, SWP_FRAMECHANGED); +} + +LRESULT CALLBACK Window::Window_Procedure(HWND Handle, UINT Message, WPARAM wParam, LPARAM lParam) +{ + switch (Message) + { + case WM_CREATE: + { + LONG This = reinterpret_cast<LONG>(reinterpret_cast<CREATESTRUCT *>(lParam)->lpCreateParams); + SetWindowLongPtr(Handle, GWLP_USERDATA, This); + return 0; + } + break; + case WM_DESTROY: + PostQuitMessage(0); + return 0; + break; + default: + { + Window* Win = reinterpret_cast<Window *>(GetWindowLongPtr(Handle, GWLP_USERDATA)); + if (Win) + return Win->Handle_Message(Handle, Message, wParam, lParam); + } + break; + } + return DefWindowProcW(Handle, Message, wParam, lParam); +} + +#define Call_Listener(x)\ + if (my_Listener) my_Listener->x + +LRESULT Window::Handle_Message(HWND Handle, UINT Message, WPARAM wParam, LPARAM lParam) +{ + switch (Message) + { + case WM_CLOSE: + Call_Listener(On_Close()); + break; + case WM_KEYDOWN: + Call_Listener(On_Key_Down(wParam)); + break; + case WM_KEYUP: + Call_Listener(On_Key_Up(wParam)); + break; + default: + return DefWindowProcW(Handle, Message, wParam, lParam); + break; + } + return 0; +} + +void Window::Show() +{ + if (my_Handle) + ShowWindow(my_Handle, SW_SHOW); +} + +void Window::Hide() +{ + if (my_Handle) + ShowWindow(my_Handle, SW_HIDE); +} + +void Window::Update() +{ + MSG Message = {0}; + while (PeekMessageW(&Message, NULL, 0, 0, PM_REMOVE)) + { + TranslateMessage(&Message); + DispatchMessageW(&Message); + } +} + +void Window::Display() +{ + if (my_Device_Context && my_GL_Context) + SwapBuffers(my_Device_Context); +}