2 * freeglut_window_mswin.c
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4 * The Windows-specific mouse cursor related stuff.
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6 * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
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7 * Written by John F. Fay, <fayjf@sourceforge.net>
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8 * Creation date: Sun Jan 22, 2012
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10 * Permission is hereby granted, free of charge, to any person obtaining a
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11 * copy of this software and associated documentation files (the "Software"),
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12 * to deal in the Software without restriction, including without limitation
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13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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14 * and/or sell copies of the Software, and to permit persons to whom the
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15 * Software is furnished to do so, subject to the following conditions:
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17 * The above copyright notice and this permission notice shall be included
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18 * in all copies or substantial portions of the Software.
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20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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28 #include <GL/freeglut.h>
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29 #include "../Common/freeglut_internal.h"
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32 /* The following include file is available from SGI but is not standard:
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33 * #include <GL/wglext.h>
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34 * So we copy the necessary parts out of it.
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35 * XXX: should local definitions for extensions be put in a separate include file?
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37 typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
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39 typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
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41 #define WGL_DRAW_TO_WINDOW_ARB 0x2001
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42 #define WGL_ACCELERATION_ARB 0x2003
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43 #define WGL_SUPPORT_OPENGL_ARB 0x2010
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44 #define WGL_DOUBLE_BUFFER_ARB 0x2011
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45 #define WGL_COLOR_BITS_ARB 0x2014
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46 #define WGL_ALPHA_BITS_ARB 0x201B
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47 #define WGL_DEPTH_BITS_ARB 0x2022
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48 #define WGL_STENCIL_BITS_ARB 0x2023
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49 #define WGL_FULL_ACCELERATION_ARB 0x2027
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51 #define WGL_SAMPLE_BUFFERS_ARB 0x2041
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52 #define WGL_SAMPLES_ARB 0x2042
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54 #define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0
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56 #define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9
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58 #ifndef WGL_ARB_create_context
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59 #define WGL_ARB_create_context 1
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60 #ifdef WGL_WGLEXT_PROTOTYPES
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61 extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *);
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62 #endif /* WGL_WGLEXT_PROTOTYPES */
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63 typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
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65 #define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
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66 #define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
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67 #define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
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68 #define WGL_CONTEXT_FLAGS_ARB 0x2094
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69 #define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
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71 #define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
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72 #define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
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74 #define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
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75 #define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
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77 #define ERROR_INVALID_VERSION_ARB 0x2095
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78 #define ERROR_INVALID_PROFILE_ARB 0x2096
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80 /* End of copying the necessary parts out of it. */
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82 /* pushing attribute/value pairs into an array */
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83 #define ATTRIB(a) attributes[where++]=(a)
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84 #define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
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87 extern int fghIsLegacyContextVersionRequested( void );
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88 extern int fghMapBit( int mask, int from, int to );
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89 extern int fghIsLegacyContextRequested( void );
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90 extern void fghContextCreationError( void );
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91 extern int fghNumberOfAuxBuffersRequested( void );
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94 typedef BOOL (WINAPI *pRegisterTouchWindow)(HWND,ULONG);
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95 static pRegisterTouchWindow fghRegisterTouchWindow = (pRegisterTouchWindow)0xDEADBEEF;
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99 * Helper functions for getting client area from the window rect
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100 * and the window rect from the client area given the style of the window
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101 * (or a valid window pointer from which the style can be queried).
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103 extern void fghGetBorderWidth(const DWORD windowStyle, int* xBorderWidth, int* yBorderWidth);
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107 * Setup the pixel format for a Win32 window
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110 #if defined(_WIN32_WCE)
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111 static wchar_t* fghWstrFromStr(const char* str)
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113 int i,len=strlen(str);
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114 wchar_t* wstr = (wchar_t*)malloc(2*len+2);
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115 for(i=0; i<len; i++)
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120 #endif /* defined(_WIN32_WCE) */
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123 static void fghFillContextAttributes( int *attributes ) {
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124 int where = 0, contextFlags, contextProfile;
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126 if ( !fghIsLegacyContextVersionRequested() ) {
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127 ATTRIB_VAL( WGL_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
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128 ATTRIB_VAL( WGL_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
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132 fghMapBit( fgState.ContextFlags, GLUT_DEBUG, WGL_CONTEXT_DEBUG_BIT_ARB ) |
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133 fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
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134 if ( contextFlags != 0 ) {
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135 ATTRIB_VAL( WGL_CONTEXT_FLAGS_ARB, contextFlags );
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139 fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, WGL_CONTEXT_CORE_PROFILE_BIT_ARB ) |
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140 fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
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141 if ( contextProfile != 0 ) {
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142 ATTRIB_VAL( WGL_CONTEXT_PROFILE_MASK_ARB, contextProfile );
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148 static int fghIsExtensionSupported( HDC hdc, const char *extension ) {
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149 const char *pWglExtString;
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150 PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB =
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151 (PFNWGLGETEXTENSIONSSTRINGARBPROC) wglGetProcAddress("wglGetExtensionsStringARB");
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152 if ( wglGetEntensionsStringARB == NULL )
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156 pWglExtString = wglGetEntensionsStringARB( hdc );
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157 return ( pWglExtString != NULL ) && ( strstr(pWglExtString, extension) != NULL );
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160 void fgNewWGLCreateContext( SFG_Window* window )
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164 PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
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166 /* If nothing fancy has been required, leave the context as it is */
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167 if ( fghIsLegacyContextRequested() )
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172 wglMakeCurrent( window->Window.pContext.Device, window->Window.Context );
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174 if ( !fghIsExtensionSupported( window->Window.pContext.Device, "WGL_ARB_create_context" ) )
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179 /* new context creation */
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180 fghFillContextAttributes( attributes );
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182 wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
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183 if ( wglCreateContextAttribsARB == NULL )
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185 fgError( "wglCreateContextAttribsARB not found" );
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188 context = wglCreateContextAttribsARB( window->Window.pContext.Device, 0, attributes );
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189 if ( context == NULL )
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191 fghContextCreationError();
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194 wglMakeCurrent( NULL, NULL );
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195 wglDeleteContext( window->Window.Context );
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196 window->Window.Context = context;
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199 #if !defined(_WIN32_WCE)
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201 static void fghFillPFD( PIXELFORMATDESCRIPTOR *ppfd, HDC hdc, unsigned char layer_type )
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203 int flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
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204 if ( fgState.DisplayMode & GLUT_DOUBLE ) {
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205 flags |= PFD_DOUBLEBUFFER;
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207 if ( fgState.DisplayMode & GLUT_STEREO ) {
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208 flags |= PFD_STEREO;
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211 #if defined(_MSC_VER)
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212 #pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
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215 /* Specify which pixel format do we opt for... */
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216 ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
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217 ppfd->nVersion = 1;
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218 ppfd->dwFlags = flags;
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220 if( fgState.DisplayMode & GLUT_INDEX ) {
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221 ppfd->iPixelType = PFD_TYPE_COLORINDEX;
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222 ppfd->cRedBits = 0;
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223 ppfd->cGreenBits = 0;
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224 ppfd->cBlueBits = 0;
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225 ppfd->cAlphaBits = 0;
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227 ppfd->iPixelType = PFD_TYPE_RGBA;
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228 ppfd->cRedBits = 8;
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229 ppfd->cGreenBits = 8;
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230 ppfd->cBlueBits = 8;
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231 ppfd->cAlphaBits = ( fgState.DisplayMode & GLUT_ALPHA ) ? 8 : 0;
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234 ppfd->cColorBits = 24;
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235 ppfd->cRedShift = 0;
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236 ppfd->cGreenShift = 0;
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237 ppfd->cBlueShift = 0;
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238 ppfd->cAlphaShift = 0;
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239 ppfd->cAccumBits = ( fgState.DisplayMode & GLUT_ACCUM ) ? 1 : 0;
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240 ppfd->cAccumRedBits = 0;
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241 ppfd->cAccumGreenBits = 0;
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242 ppfd->cAccumBlueBits = 0;
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243 ppfd->cAccumAlphaBits = 0;
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245 /* Hmmm, or 32/0 instead of 24/8? */
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246 ppfd->cDepthBits = 24;
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247 ppfd->cStencilBits = 8;
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249 ppfd->cAuxBuffers = fghNumberOfAuxBuffersRequested();
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250 ppfd->iLayerType = layer_type;
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251 ppfd->bReserved = 0;
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252 ppfd->dwLayerMask = 0;
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253 ppfd->dwVisibleMask = 0;
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254 ppfd->dwDamageMask = 0;
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256 ppfd->cColorBits = (BYTE) GetDeviceCaps( hdc, BITSPIXEL );
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259 static void fghFillPixelFormatAttributes( int *attributes, const PIXELFORMATDESCRIPTOR *ppfd )
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263 ATTRIB_VAL( WGL_DRAW_TO_WINDOW_ARB, GL_TRUE );
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264 ATTRIB_VAL( WGL_SUPPORT_OPENGL_ARB, GL_TRUE );
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265 ATTRIB_VAL( WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB );
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267 ATTRIB_VAL( WGL_COLOR_BITS_ARB, ppfd->cColorBits );
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268 ATTRIB_VAL( WGL_ALPHA_BITS_ARB, ppfd->cAlphaBits );
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269 ATTRIB_VAL( WGL_DEPTH_BITS_ARB, ppfd->cDepthBits );
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270 ATTRIB_VAL( WGL_STENCIL_BITS_ARB, ppfd->cStencilBits );
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272 ATTRIB_VAL( WGL_DOUBLE_BUFFER_ARB, ( fgState.DisplayMode & GLUT_DOUBLE ) != 0 );
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274 if ( fgState.DisplayMode & GLUT_SRGB ) {
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275 ATTRIB_VAL( WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, TRUE );
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278 ATTRIB_VAL( WGL_SAMPLE_BUFFERS_ARB, GL_TRUE );
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279 ATTRIB_VAL( WGL_SAMPLES_ARB, fgState.SampleNumber );
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284 GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
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285 unsigned char layer_type )
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287 #if defined(_WIN32_WCE)
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290 PIXELFORMATDESCRIPTOR pfd;
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291 PIXELFORMATDESCRIPTOR* ppfd = &pfd;
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297 current_hDC = CreateDC(TEXT("DISPLAY"), NULL ,NULL ,NULL);
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299 current_hDC = window->Window.pContext.Device;
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301 fghFillPFD( ppfd, current_hDC, layer_type );
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302 pixelformat = ChoosePixelFormat( current_hDC, ppfd );
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304 /* windows hack for multismapling/sRGB */
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305 if ( ( fgState.DisplayMode & GLUT_MULTISAMPLE ) ||
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306 ( fgState.DisplayMode & GLUT_SRGB ) )
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308 HGLRC rc, rc_before=wglGetCurrentContext();
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310 HDC hDC, hDC_before=wglGetCurrentDC();
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313 /* create a dummy window */
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314 ZeroMemory(&wndCls, sizeof(wndCls));
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315 wndCls.lpfnWndProc = DefWindowProc;
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316 wndCls.hInstance = fgDisplay.pDisplay.Instance;
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317 wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
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318 wndCls.lpszClassName = _T("FREEGLUT_dummy");
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319 RegisterClass( &wndCls );
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321 hWnd=CreateWindow(_T("FREEGLUT_dummy"), _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.pDisplay.Instance, 0 );
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323 SetPixelFormat( hDC, pixelformat, ppfd );
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325 rc = wglCreateContext( hDC );
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326 wglMakeCurrent(hDC, rc);
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328 if ( fghIsExtensionSupported( hDC, "WGL_ARB_multisample" ) )
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330 PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc =
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331 (PFNWGLCHOOSEPIXELFORMATARBPROC) wglGetProcAddress("wglChoosePixelFormatARB");
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332 if ( wglChoosePixelFormatARBProc )
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334 int attributes[100];
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337 float fAttributes[] = { 0, 0 };
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339 fghFillPixelFormatAttributes( attributes, ppfd );
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340 bValid = wglChoosePixelFormatARBProc(hDC, attributes, fAttributes, 1, &iPixelFormat, &numFormats);
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342 if ( bValid && numFormats > 0 )
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344 pixelformat = iPixelFormat;
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349 wglMakeCurrent( hDC_before, rc_before);
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350 wglDeleteContext(rc);
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351 ReleaseDC(hWnd, hDC);
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352 DestroyWindow(hWnd);
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353 UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.pDisplay.Instance);
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356 success = ( pixelformat != 0 ) && ( checkOnly || SetPixelFormat( current_hDC, pixelformat, ppfd ) );
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359 DeleteDC(current_hDC);
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362 #endif /* defined(_WIN32_WCE) */
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367 void fgPlatformSetWindow ( SFG_Window *window )
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369 if ( window != fgStructure.CurrentWindow )
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371 if( fgStructure.CurrentWindow )
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372 ReleaseDC( fgStructure.CurrentWindow->Window.Handle,
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373 fgStructure.CurrentWindow->Window.pContext.Device );
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377 window->Window.pContext.Device = GetDC( window->Window.Handle );
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379 window->Window.pContext.Device,
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380 window->Window.Context
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388 /* Computes position of corners of window Rect (outer position including
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389 * decorations) based on the provided client rect and based on the style
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390 * of the window in question.
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391 * If posIsOutside is set to true, the input client Rect is taken to follow
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392 * freeGLUT's window specification convention in which the top-left corner
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393 * is at the outside of the window, while the size
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394 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
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397 void fghComputeWindowRectFromClientArea_UseStyle( const DWORD windowStyle, RECT *clientRect, BOOL posIsOutside )
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399 int xBorderWidth = 0, yBorderWidth = 0;
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401 /* If window has title bar, correct rect for it */
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402 if (windowStyle & WS_MAXIMIZEBOX) /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */
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404 clientRect->bottom += GetSystemMetrics( SM_CYCAPTION );
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406 clientRect->top -= GetSystemMetrics( SM_CYCAPTION );
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408 /* get width of window's borders (frame), correct rect for it.
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409 * Note, borders can be of zero width if style does not specify borders
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411 fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth);
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414 clientRect->right += xBorderWidth * 2;
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415 clientRect->bottom += yBorderWidth * 2;
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419 clientRect->left -= xBorderWidth;
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420 clientRect->right += xBorderWidth;
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421 clientRect->top -= yBorderWidth;
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422 clientRect->bottom += yBorderWidth;
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426 /* Computes position of corners of window Rect (outer position including
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427 * decorations) based on the provided client rect and based on the style
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428 * of the window in question. If the window pointer or the window handle
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429 * is NULL, a fully decorated window (caption and border) is assumed.
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430 * Furthermore, if posIsOutside is set to true, the input client Rect is
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431 * taken to follow freeGLUT's window specification convention in which the
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432 * top-left corner is at the outside of the window, while the size
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433 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
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436 void fghComputeWindowRectFromClientArea_QueryWindow( const SFG_Window *window, RECT *clientRect, BOOL posIsOutside )
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438 DWORD windowStyle = 0;
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440 if (window && window->Window.Handle)
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441 windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
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443 windowStyle = WS_OVERLAPPEDWINDOW;
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445 fghComputeWindowRectFromClientArea_UseStyle(windowStyle, clientRect, posIsOutside);
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448 /* Computes position of corners of client area (drawable area) of a window
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449 * based on the provided window Rect (outer position including decorations)
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450 * and based on the style of the window in question. If the window pointer
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451 * or the window handle is NULL, a fully decorated window (caption and
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452 * border) is assumed.
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453 * Furthermore, if wantPosOutside is set to true, the output client Rect
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454 * will follow freeGLUT's window specification convention in which the
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455 * top-left corner is at the outside of the window, the size
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456 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
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459 void fghComputeClientAreaFromWindowRect( const SFG_Window *window, RECT *windowRect, BOOL wantPosOutside )
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461 DWORD windowStyle = 0;
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462 int xBorderWidth = 0, yBorderWidth = 0;
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464 if (window && window->Window.Handle)
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465 windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
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467 windowStyle = WS_OVERLAPPEDWINDOW;
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469 /* If window has title bar, correct rect for it */
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470 if (windowStyle & WS_MAXIMIZEBOX) /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */
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471 if (wantPosOutside)
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472 windowRect->bottom -= GetSystemMetrics( SM_CYCAPTION );
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474 windowRect->top += GetSystemMetrics( SM_CYCAPTION );
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476 /* get width of window's borders (frame), correct rect for it.
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477 * Note, borders can be of zero width if style does not specify borders
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479 fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth);
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480 if (wantPosOutside)
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482 windowRect->right -= xBorderWidth * 2;
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483 windowRect->bottom -= yBorderWidth * 2;
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487 windowRect->left += xBorderWidth;
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488 windowRect->right -= xBorderWidth;
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489 windowRect->top += yBorderWidth;
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490 windowRect->bottom -= yBorderWidth;
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494 /* Gets the rect describing the client area (drawable area) of the
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495 * specified window.
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496 * Returns an empty rect if window pointer or window handle is NULL.
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497 * If wantPosOutside is set to true, the output client Rect
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498 * will follow freeGLUT's window specification convention in which the
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499 * top-left corner is at the outside of the window, while the size
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500 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
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503 RECT fghGetClientArea( const SFG_Window *window, BOOL wantPosOutside )
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505 RECT windowRect = {0,0,0,0};
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507 freeglut_return_val_if_fail((window && window->Window.Handle),windowRect);
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510 * call GetWindowRect()
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511 * (this returns the pixel coordinates of the outside of the window)
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513 GetWindowRect( window->Window.Handle, &windowRect );
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515 /* Then correct the results */
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516 fghComputeClientAreaFromWindowRect(window, &windowRect, wantPosOutside);
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521 /* Returns the width of the window borders based on the window's style.
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523 void fghGetBorderWidth(const DWORD windowStyle, int* xBorderWidth, int* yBorderWidth)
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525 if (windowStyle & WS_THICKFRAME)
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527 *xBorderWidth = GetSystemMetrics(SM_CXSIZEFRAME);
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528 *yBorderWidth = GetSystemMetrics(SM_CYSIZEFRAME);
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530 else if (windowStyle & WS_DLGFRAME)
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532 *xBorderWidth = GetSystemMetrics(SM_CXFIXEDFRAME);
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533 *yBorderWidth = GetSystemMetrics(SM_CYFIXEDFRAME);
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542 #if(WINVER >= 0x500)
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550 static BOOL CALLBACK m_proc(HMONITOR mon,
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555 m_proc_t *dp=(m_proc_t *)data;
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556 MONITORINFOEX info;
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558 info.cbSize=sizeof(info);
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559 res=GetMonitorInfo(mon,(LPMONITORINFO)&info);
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562 if( strcmp(dp->name,info.szDevice)==0 )
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564 *(dp->x)=info.rcMonitor.left;
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565 *(dp->y)=info.rcMonitor.top;
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573 * this function returns the origin of the screen identified by
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574 * fgDisplay.pDisplay.DisplayName, and 0 otherwise.
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575 * This is used in fgOpenWindow to open the gamemode window on the screen
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576 * identified by the -display command line argument. The function should
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577 * not be called otherwise.
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580 static void get_display_origin(int *xp,int *yp)
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585 if( fgDisplay.pDisplay.DisplayName )
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590 st.name=fgDisplay.pDisplay.DisplayName;
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591 EnumDisplayMonitors(0,0,m_proc,(LPARAM)&st);
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595 #pragma message( "-display parameter only works if compiled with WINVER >= 0x0500")
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597 static void get_display_origin(int *xp,int *yp)
\r
602 if( fgDisplay.pDisplay.DisplayName )
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604 fgWarning( "for working -display support FreeGLUT must be compiled with WINVER >= 0x0500");
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612 * Opens a window. Requires a SFG_Window object created and attached
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613 * to the freeglut structure. OpenGL context is created here.
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615 void fgPlatformOpenWindow( SFG_Window* window, const char* title,
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616 GLboolean positionUse, int x, int y,
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617 GLboolean sizeUse, int w, int h,
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618 GLboolean gameMode, GLboolean isSubWindow )
\r
626 /* Grab the window class we have registered on glutInit(): */
\r
627 atom = GetClassInfo( fgDisplay.pDisplay.Instance, _T("FREEGLUT"), &wc );
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628 FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found",
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631 /* Determine window style flags*/
\r
634 FREEGLUT_INTERNAL_ERROR_EXIT ( window->Parent == NULL,
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635 "Game mode being invoked on a subwindow",
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639 * Set the window creation flags appropriately to make the window
\r
640 * entirely visible:
\r
642 flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
\r
646 flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
\r
649 * There's a small difference between creating the top, child and
\r
652 if ( window->IsMenu )
\r
655 exFlags |= WS_EX_TOOLWINDOW;
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657 #if defined(_WIN32_WCE)
\r
658 /* no decorations for windows CE */
\r
660 /* if this is not a subwindow (child), set its style based on the requested display mode */
\r
661 else if( window->Parent == NULL )
\r
662 if ( fgState.DisplayMode & GLUT_BORDERLESS )
\r
664 /* no window decorations needed */
\r
666 else if ( fgState.DisplayMode & GLUT_CAPTIONLESS )
\r
667 /* only window decoration is a border, no title bar or buttons */
\r
668 flags |= WS_DLGFRAME;
\r
670 /* window decoration are a border, title bar and buttons.
\r
671 * NB: we later query whether the window has a title bar or
\r
672 * not by testing for the maximize button, as the test for
\r
673 * WS_CAPTION can be true without the window having a title
\r
674 * bar. This style WS_OVERLAPPEDWINDOW gives you a maximize
\r
676 flags |= WS_OVERLAPPEDWINDOW;
\r
679 /* subwindows always have no decoration, but are marked as a child window to the OS */
\r
683 /* determine window size and position */
\r
686 /* if in gamemode, query the origin of specified by the -display
\r
687 * command line parameter (if any) and offset the upper-left corner
\r
688 * of the window so we create the window on that screen.
\r
689 * The -display argument doesn't do anything if not trying to enter
\r
692 int xoff=0, yoff=0;
\r
693 get_display_origin(&xoff,&yoff);
\r
704 if( ! window->IsMenu )
\r
709 else /* fail safe - Windows can make a window of size (0, 0) */
\r
710 w = h = 300; /* default window size */
\r
712 /* store requested client area width and height */
\r
713 window->State.Width = w;
\r
714 window->State.Height = h;
\r
716 #if !defined(_WIN32_WCE) /* no decorations for windows CE */
\r
721 * Update the window dimensions, taking the window decorations
\r
722 * into account. FreeGLUT is to create the window with the
\r
723 * topleft outside corner at (x,y) and with client area
\r
724 * dimensions (w,h).
\r
725 * note: don't need to do this when w=h=CW_USEDEFAULT, so in the
\r
726 * if( sizeUse ) here is convenient.
\r
728 windowRect.left = x;
\r
729 windowRect.top = y;
\r
730 windowRect.right = x+w;
\r
731 windowRect.bottom = y+h;
\r
733 fghComputeWindowRectFromClientArea_UseStyle(flags,&windowRect,TRUE);
\r
735 w = windowRect.right - windowRect.left;
\r
736 h = windowRect.bottom- windowRect.top;
\r
738 #endif /* !defined(_WIN32_WCE) */
\r
740 #if defined(_WIN32_WCE)
\r
742 wchar_t* wstr = fghWstrFromStr(title);
\r
744 window->Window.Handle = CreateWindow(
\r
747 WS_VISIBLE | WS_POPUP,
\r
751 fgDisplay.pDisplay.Instance,
\r
757 SHFullScreen(window->Window.Handle, SHFS_HIDESTARTICON);
\r
758 SHFullScreen(window->Window.Handle, SHFS_HIDESIPBUTTON);
\r
759 SHFullScreen(window->Window.Handle, SHFS_HIDETASKBAR);
\r
760 MoveWindow(window->Window.Handle, 0, 0, 240, 320, TRUE);
\r
761 ShowWindow(window->Window.Handle, SW_SHOW);
\r
762 UpdateWindow(window->Window.Handle);
\r
765 window->Window.Handle = CreateWindowEx(
\r
771 (HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle,
\r
773 fgDisplay.pDisplay.Instance,
\r
776 #endif /* defined(_WIN32_WCE) */
\r
778 if( !( window->Window.Handle ) )
\r
779 fgError( "Failed to create a window (%s)!", title );
\r
781 #if !defined(_WIN32_WCE)
\r
782 /* Need to set requested style again, apparently Windows doesn't listen when requesting windows without title bar or borders */
\r
783 SetWindowLong(window->Window.Handle, GWL_STYLE, flags);
\r
784 SetWindowPos(window->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
\r
785 #endif /* defined(_WIN32_WCE) */
\r
787 /* Make a menu window always on top - fix Feature Request 947118 */
\r
788 if( window->IsMenu || gameMode )
\r
790 window->Window.Handle,
\r
793 SWP_NOMOVE | SWP_NOSIZE
\r
796 /* Enable multitouch: additional flag TWF_FINETOUCH, TWF_WANTPALM */
\r
798 if (fghRegisterTouchWindow == (pRegisterTouchWindow)0xDEADBEEF)
\r
799 fghRegisterTouchWindow = (pRegisterTouchWindow)GetProcAddress(GetModuleHandle("user32"),"RegisterTouchWindow");
\r
800 if (fghRegisterTouchWindow)
\r
801 fghRegisterTouchWindow( window->Window.Handle, TWF_FINETOUCH | TWF_WANTPALM );
\r
804 #if defined(_WIN32_WCE)
\r
805 ShowWindow( window->Window.Handle, SW_SHOW );
\r
807 ShowWindow( window->Window.Handle,
\r
808 fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW );
\r
809 #endif /* defined(_WIN32_WCE) */
\r
811 UpdateWindow( window->Window.Handle );
\r
812 ShowCursor( TRUE ); /* XXX Old comments say "hide cursor"! */
\r
818 * Closes a window, destroying the frame and OpenGL context
\r
820 void fgPlatformCloseWindow( SFG_Window* window )
\r
822 /* Make sure we don't close a window with current context active */
\r
823 if( fgStructure.CurrentWindow == window )
\r
824 wglMakeCurrent( NULL, NULL );
\r
827 * Step through the list of windows. If the rendering context
\r
828 * is not being used by another window, then we delete it.
\r
834 for( iter = (SFG_Window *)fgStructure.Windows.First;
\r
836 iter = (SFG_Window *)iter->Node.Next )
\r
838 if( ( iter->Window.Context == window->Window.Context ) &&
\r
839 ( iter != window ) )
\r
844 wglDeleteContext( window->Window.Context );
\r
847 DestroyWindow( window->Window.Handle );
\r
853 * This function makes the current window visible
\r
855 void fgPlatformGlutShowWindow( void )
\r
857 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_SHOW );
\r
861 * This function hides the current window
\r
863 void fgPlatformGlutHideWindow( void )
\r
865 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_HIDE );
\r
869 * Iconify the current window (top-level windows only)
\r
871 void fgPlatformGlutIconifyWindow( void )
\r
873 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_MINIMIZE );
\r
877 * Set the current window's title
\r
879 void fgPlatformGlutSetWindowTitle( const char* title )
\r
883 wchar_t* wstr = fghWstrFromStr(title);
\r
884 SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
\r
888 SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
\r
893 * Set the current window's iconified title
\r
895 void fgPlatformGlutSetIconTitle( const char* title )
\r
899 wchar_t* wstr = fghWstrFromStr(title);
\r
900 SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
\r
904 SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
\r
909 * Change the current window's position
\r
911 void fgPlatformGlutPositionWindow( int x, int y )
\r
915 /* "GetWindowRect" returns the pixel coordinates of the outside of the window */
\r
916 GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect );
\r
918 fgStructure.CurrentWindow->Window.Handle,
\r
921 winRect.right - winRect.left,
\r
922 winRect.bottom - winRect.top,
\r
928 * Lowers the current window (by Z order change)
\r
930 void fgPlatformGlutPushWindow( void )
\r
933 fgStructure.CurrentWindow->Window.Handle,
\r
936 SWP_NOSIZE | SWP_NOMOVE
\r
941 * Raises the current window (by Z order change)
\r
943 void fgPlatformGlutPopWindow( void )
\r
946 fgStructure.CurrentWindow->Window.Handle,
\r
949 SWP_NOSIZE | SWP_NOMOVE
\r
954 * Resize the current window so that it fits the whole screen
\r
956 void fgPlatformGlutFullScreen( SFG_Window *win )
\r
958 #if !defined(_WIN32_WCE) /* FIXME: what about WinCE */
\r
960 if (glutGet(GLUT_FULL_SCREEN))
\r
962 /* Leave full screen state before entering fullscreen again (resizing?) */
\r
963 glutLeaveFullScreen();
\r
967 #if(WINVER >= 0x0500) /* Windows 2000 or later */
\r
973 /* For fullscreen mode, first remove all window decoration
\r
974 * and set style to popup so it will overlap the taskbar
\r
975 * then force to maximize on the screen on which it has the most
\r
980 /* store current window rect */
\r
981 GetWindowRect( win->Window.Handle, &win->State.OldRect );
\r
983 /* store current window style */
\r
984 win->State.OldStyle = s = GetWindowLong(win->Window.Handle, GWL_STYLE);
\r
986 /* remove decorations from style and add popup style*/
\r
987 s &= ~WS_OVERLAPPEDWINDOW;
\r
989 SetWindowLong(win->Window.Handle, GWL_STYLE, s);
\r
990 SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
\r
992 /* For fullscreen mode, find the monitor that is covered the most
\r
993 * by the window and get its rect as the resize target.
\r
995 hMonitor= MonitorFromRect(&win->State.OldRect, MONITOR_DEFAULTTONEAREST);
\r
996 mi.cbSize = sizeof(mi);
\r
997 GetMonitorInfo(hMonitor, &mi);
\r
998 rect = mi.rcMonitor;
\r
999 #else /* if (WINVER >= 0x0500) */
\r
1002 /* For fullscreen mode, force the top-left corner to 0,0
\r
1003 * and adjust the window rectangle so that the client area
\r
1004 * covers the whole screen.
\r
1009 rect.right = fgDisplay.ScreenWidth;
\r
1010 rect.bottom = fgDisplay.ScreenHeight;
\r
1012 AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS |
\r
1013 WS_CLIPCHILDREN, FALSE );
\r
1014 #endif /* (WINVER >= 0x0500) */
\r
1017 * then resize window
\r
1018 * SWP_NOACTIVATE Do not activate the window
\r
1019 * SWP_NOOWNERZORDER Do not change position in z-order
\r
1020 * SWP_NOSENDCHANGING Suppress WM_WINDOWPOSCHANGING message
\r
1021 * SWP_NOZORDER Retains the current Z order (ignore 2nd param)
\r
1023 SetWindowPos( fgStructure.CurrentWindow->Window.Handle,
\r
1027 rect.right - rect.left,
\r
1028 rect.bottom - rect.top,
\r
1029 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
\r
1033 win->State.IsFullscreen = GL_TRUE;
\r
1039 * If we are fullscreen, resize the current window back to its original size
\r
1041 void fgPlatformGlutLeaveFullScreen( SFG_Window *win )
\r
1043 #if !defined(_WIN32_WCE) /* FIXME: what about WinCE */
\r
1044 if (!glutGet(GLUT_FULL_SCREEN))
\r
1046 /* nothing to do */
\r
1050 /* restore style of window before making it fullscreen */
\r
1051 SetWindowLong(win->Window.Handle, GWL_STYLE, win->State.OldStyle);
\r
1052 SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
\r
1055 SetWindowPos(win->Window.Handle,
\r
1057 win->State.OldRect.left,
\r
1058 win->State.OldRect.top,
\r
1059 win->State.OldRect.right - win->State.OldRect.left,
\r
1060 win->State.OldRect.bottom - win->State.OldRect.top,
\r
1061 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
\r
1065 win->State.IsFullscreen = GL_FALSE;
\r
1070 * Toggle the window's full screen state.
\r
1072 void fgPlatformGlutFullScreenToggle( SFG_Window *win )
\r
1074 if (!win->State.IsFullscreen)
\r
1077 glutLeaveFullScreen();
\r
1081 /* -- PLATFORM-SPECIFIC INTERFACE FUNCTION -------------------------------------------------- */
\r
1084 int FGAPIENTRY __glutCreateWindowWithExit( const char *title, void (__cdecl *exit_function)(int) )
\r
1086 __glutExitFunc = exit_function;
\r
1087 return glutCreateWindow( title );
\r