+/*\r
+ * freeglut_gamemode_mswin.c\r
+ *\r
+ * The Windows-specific mouse cursor related stuff.\r
+ *\r
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.\r
+ * Written by John F. Fay, <fayjf@sourceforge.net>\r
+ * Creation date: Thu Jan 19, 2012\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the "Software"),\r
+ * to deal in the Software without restriction, including without limitation\r
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,\r
+ * and/or sell copies of the Software, and to permit persons to whom the\r
+ * Software is furnished to do so, subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included\r
+ * in all copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS\r
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\r
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ */\r
+\r
+#include <GL/freeglut.h>\r
+#include "freeglut_internal_mswin.h"\r
+\r
+/*\r
+ * Remembers the current visual settings, so that\r
+ * we can change them and restore later...\r
+ */\r
+void fgPlatformRememberState( void )\r
+{\r
+/* DEVMODE devMode; */\r
+\r
+ /* Grab the current desktop settings... */\r
+\r
+/* hack to get around my stupid cross-gcc headers */\r
+#define FREEGLUT_ENUM_CURRENT_SETTINGS -1\r
+\r
+ EnumDisplaySettings( fgDisplay.DisplayName, FREEGLUT_ENUM_CURRENT_SETTINGS,\r
+ &fgDisplay.DisplayMode );\r
+\r
+ /* Make sure we will be restoring all settings needed */\r
+ fgDisplay.DisplayMode.dmFields |=\r
+ DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY;\r
+\r
+}\r
+\r
+/*\r
+ * Restores the previously remembered visual settings\r
+ */\r
+void fgPlatformRestoreState( void )\r
+{\r
+ /* Restore the previously remembered desktop display settings */\r
+ ChangeDisplaySettingsEx( fgDisplay.DisplayName,&fgDisplay.DisplayMode, 0,0,0 );\r
+\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * Changes the current display mode to match user's settings\r
+ */\r
+GLboolean fgPlatformChangeDisplayMode( GLboolean haveToTest )\r
+{\r
+ GLboolean success = GL_FALSE;\r
+ DEVMODE devMode;\r
+ char *fggmstr = NULL;\r
+ char displayMode[300];\r
+\r
+ success = GL_FALSE;\r
+\r
+ EnumDisplaySettings( fgDisplay.DisplayName, -1, &devMode ); \r
+ devMode.dmFields = 0;\r
+\r
+ if (fgState.GameModeSize.X!=-1)\r
+ {\r
+ devMode.dmPelsWidth = fgState.GameModeSize.X;\r
+ devMode.dmFields |= DM_PELSWIDTH;\r
+ }\r
+ if (fgState.GameModeSize.Y!=-1)\r
+ {\r
+ devMode.dmPelsHeight = fgState.GameModeSize.Y;\r
+ devMode.dmFields |= DM_PELSHEIGHT;\r
+ }\r
+ if (fgState.GameModeDepth!=-1)\r
+ {\r
+ devMode.dmBitsPerPel = fgState.GameModeDepth;\r
+ devMode.dmFields |= DM_BITSPERPEL;\r
+ }\r
+ if (fgState.GameModeRefresh!=-1)\r
+ {\r
+ devMode.dmDisplayFrequency = fgState.GameModeRefresh;\r
+ devMode.dmFields |= DM_DISPLAYFREQUENCY;\r
+ }\r
+\r
+ switch ( ChangeDisplaySettingsEx(fgDisplay.DisplayName, &devMode, NULL, haveToTest ? CDS_TEST : CDS_FULLSCREEN , NULL) )\r
+ {\r
+ case DISP_CHANGE_SUCCESSFUL:\r
+ success = GL_TRUE;\r
+\r
+ if (!haveToTest)\r
+ {\r
+ /* update vars in case if windows switched to proper mode */\r
+ EnumDisplaySettings( fgDisplay.DisplayName, FREEGLUT_ENUM_CURRENT_SETTINGS, &devMode );\r
+ fgState.GameModeSize.X = devMode.dmPelsWidth; \r
+ fgState.GameModeSize.Y = devMode.dmPelsHeight;\r
+ fgState.GameModeDepth = devMode.dmBitsPerPel;\r
+ fgState.GameModeRefresh = devMode.dmDisplayFrequency;\r
+ }\r
+ break;\r
+ case DISP_CHANGE_RESTART:\r
+ fggmstr = "The computer must be restarted for the graphics mode to work.";\r
+ break;\r
+ case DISP_CHANGE_BADFLAGS:\r
+ fggmstr = "An invalid set of flags was passed in.";\r
+ break;\r
+ case DISP_CHANGE_BADPARAM:\r
+ fggmstr = "An invalid parameter was passed in. This can include an invalid flag or combination of flags.";\r
+ break;\r
+ case DISP_CHANGE_FAILED:\r
+ fggmstr = "The display driver failed the specified graphics mode.";\r
+ break;\r
+ case DISP_CHANGE_BADMODE:\r
+ fggmstr = "The graphics mode is not supported.";\r
+ break;\r
+ default:\r
+ fggmstr = "Unknown error in graphics mode???"; /* dunno if it is possible,MSDN does not mention any other error */\r
+ break;\r
+ }\r
+\r
+ if ( !success )\r
+ {\r
+ /* I'd rather get info whats going on in my program than wonder about */\r
+ /* magic happenings behind my back, its lib for devels at last ;) */\r
+ \r
+ /* append display mode to error to make things more informative */\r
+ sprintf(displayMode,"%s Problem with requested mode: %ix%i:%i@%i", fggmstr, devMode.dmPelsWidth, devMode.dmPelsHeight, devMode.dmBitsPerPel, devMode.dmDisplayFrequency);\r
+ fgWarning(displayMode);\r
+ }\r
+\r
+ return success;\r
+}\r
+\r
projects / freeglut / blobdiff