diff options
Diffstat (limited to 'pugl')
| -rw-r--r-- | pugl/pugl_win.cpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/pugl/pugl_win.cpp b/pugl/pugl_win.cpp new file mode 100644 index 0000000..a27a2c5 --- /dev/null +++ b/pugl/pugl_win.cpp @@ -0,0 +1,193 @@ +/* + Copyright 2012 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. +*/ + +#include <stdio.h> + +#include <windows.h> +#include <windowsx.h> +#include <gl/gl.h> + +#include "pugl_internal.h" + +struct PuglPlatformDataImpl { + HWND hwnd; + HDC hdc; + HGLRC hglrc; +}; + +PuglWindow* +puglCreate(PuglNativeWindow parent, const char* title, int width, int height) +{ + PuglWindow* win = (PuglWindow*)calloc(1, sizeof(PuglWindow)); + + win->impl = (PuglPlatformData*)calloc(1, sizeof(PuglPlatformData)); + + PuglPlatformData* impl = win->impl; + + WNDCLASS wc; + wc.style = CS_OWNDC; + wc.lpfnWndProc = DefWindowProc; + wc.cbClsExtra = 0; + wc.cbWndExtra = 0; + wc.hInstance = 0; + wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); + wc.hCursor = LoadCursor(NULL, IDC_ARROW); + wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); + wc.lpszMenuName = NULL; + wc.lpszClassName = "Pugl"; + RegisterClass(&wc); + + impl->hwnd = CreateWindow("Pugl", title, + WS_CAPTION | WS_POPUPWINDOW | WS_VISIBLE, + 0, 0, width, height, + (HWND)parent, NULL, NULL, NULL); + + + impl->hdc = GetDC(impl->hwnd); + + 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 = 24; + pfd.cDepthBits = 16; + pfd.iLayerType = PFD_MAIN_PLANE; + + int format = ChoosePixelFormat(impl->hdc, &pfd); + SetPixelFormat(impl->hdc, format, &pfd); + + impl->hglrc = wglCreateContext(impl->hdc); + wglMakeCurrent(impl->hdc, impl->hglrc); + + win->width = width; + win->height = height; + + return win; +} + +void +puglDestroy(PuglWindow* win) +{ + wglMakeCurrent(NULL, NULL); + wglDeleteContext(win->impl->hglrc); + ReleaseDC(win->impl->hwnd, win->impl->hdc); + DestroyWindow(win->impl->hwnd); + free(win); +} + +void +puglDisplay(PuglWindow* win) +{ + glViewport(0, 0, win->width, win->height); + + if (win->displayFunc) { + win->displayFunc(win); + } + + SwapBuffers(win->impl->hdc); + win->redisplay = false; +} + +static void +processMouseEvent(PuglWindow* win, int button, bool down, LPARAM lParam) +{ + if (win->mouseFunc) { + win->mouseFunc(win, button, down, + GET_X_LPARAM(lParam), + GET_Y_LPARAM(lParam)); + } +} + +PuglStatus +puglProcessEvents(PuglWindow* win) +{ + MSG msg; + PAINTSTRUCT ps; + int button; + bool down = true; + while (PeekMessage(&msg, win->impl->hwnd, 0, 0, PM_REMOVE)) { + switch (msg.message) { + case WM_PAINT: + BeginPaint(win->impl->hwnd, &ps); + puglDisplay(win); + EndPaint(win->impl->hwnd, &ps); + break; + case WM_SIZE: + if (win->reshapeFunc) { + win->reshapeFunc(win, LOWORD(msg.lParam), HIWORD(msg.lParam)); + } + break; + case WM_MOUSEMOVE: + if (win->motionFunc) { + win->motionFunc( + win, GET_X_LPARAM(msg.lParam), GET_Y_LPARAM(msg.lParam)); + } + break; + case WM_LBUTTONDOWN: + processMouseEvent(win, 1, true, msg.lParam); + break; + case WM_MBUTTONDOWN: + processMouseEvent(win, 2, true, msg.lParam); + break; + case WM_RBUTTONDOWN: + processMouseEvent(win, 3, true, msg.lParam); + break; + case WM_LBUTTONUP: + processMouseEvent(win, 1, false, msg.lParam); + break; + case WM_MBUTTONUP: + processMouseEvent(win, 2, false, msg.lParam); + break; + case WM_RBUTTONUP: + processMouseEvent(win, 3, false, msg.lParam); + break; + case WM_KEYDOWN: + case WM_KEYUP: + if (win->keyboardFunc) { + win->keyboardFunc(win, msg.message == WM_KEYDOWN, msg.wParam); + } + break; + case WM_QUIT: + if (win->closeFunc) { + win->closeFunc(win); + } + break; + default: + DefWindowProc( + win->impl->hwnd, msg.message, msg.wParam, msg.lParam); + } + } + + if (win->redisplay) { + puglDisplay(win); + } + + return PUGL_SUCCESS; +} + +void +puglPostRedisplay(PuglWindow* win) +{ + win->redisplay = true; +} + +PuglNativeWindow +puglGetNativeWindow(PuglWindow* win) +{ + return (PuglNativeWindow)win->impl->hwnd; +} |