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authorDavid Robillard <d@drobilla.net>2012-04-29 02:12:26 +0000
committerDavid Robillard <d@drobilla.net>2012-04-29 02:12:26 +0000
commite346dc20fb1fcbc8f895d7c46e3ec54628d3db0c (patch)
tree0b6d83ef9b8daf7a4fa57cd384a1abc33602906e /pugl/pugl_win.cpp
parent43083a0ca80a876286b6a6ef39ec6f10c9b6f9bf (diff)
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Windows implementation.
Diffstat (limited to 'pugl/pugl_win.cpp')
-rw-r--r--pugl/pugl_win.cpp193
1 files changed, 193 insertions, 0 deletions
diff --git a/pugl/pugl_win.cpp b/pugl/pugl_win.cpp
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+/*
+ 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;
+}