X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffreeglut_init_mswin.c;h=d75765f4ccd4904a4009645c8caa733f23fc2018;hb=cf06fb91082cdf943efeef507086ba1d8cee6eb7;hp=772116cc1c32145709fde1bc499e56c43bbbaea8;hpb=18d6896264e11c98c3dcd625c20138f8f59e3055;p=freeglut diff --git a/src/mswin/freeglut_init_mswin.c b/src/mswin/freeglut_init_mswin.c index 772116c..d75765f 100644 --- a/src/mswin/freeglut_init_mswin.c +++ b/src/mswin/freeglut_init_mswin.c @@ -1,5 +1,5 @@ /* - * freeglut_cursor_mswin.c + * freeglut_init_mswin.c * * The Windows-specific mouse cursor related stuff. * @@ -29,10 +29,15 @@ #include "freeglut_internal_mswin.h" + +extern LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, + WPARAM wParam, LPARAM lParam ); + + /* * A call to this function should initialize all the display stuff... */ -void fghInitialize( const char* displayName ) +void fgPlatformInitialize( const char* displayName ) { WNDCLASS wc; ATOM atom; @@ -54,7 +59,7 @@ void fghInitialize( const char* displayName ) * XXX Old code had "| CS_DBCLCKS" commented out. Plans for the * XXX future? Dead-end idea? */ - wc.lpfnWndProc = fgWindowProc; + wc.lpfnWndProc = fgPlatformWindowProc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = fgDisplay.Instance; @@ -75,7 +80,7 @@ void fghInitialize( const char* displayName ) /* Register the window class */ atom = RegisterClass( &wc ); - FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Not Registered", "fghInitialize" ); + FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Not Registered", "fgPlatformInitialize" ); } /* The screen dimensions can be obtained via GetSystemMetrics() calls */ @@ -104,7 +109,7 @@ void fghInitialize( const char* displayName ) DeleteDC(context); } else - fgWarning("fghInitialize: " + fgWarning("fgPlatformInitialize: " "CreateDC failed, Screen size info may be incorrect\n" "This is quite likely caused by a bad '-display' parameter"); @@ -131,7 +136,7 @@ void fghInitialize( const char* displayName ) /* Platform-Specific Deinitialization Functions: */ extern void fghCloseInputDevices ( void ); -void fghDeinitialiseInputDevices ( void ) +void fgPlatformDeinitialiseInputDevices ( void ) { #if !defined(_WIN32_WCE) fghCloseInputDevices (); @@ -140,7 +145,7 @@ void fghDeinitialiseInputDevices ( void ) fgState.InputDevsInitialised = GL_FALSE; } -void fghCloseDisplay ( void ) +void fgPlatformCloseDisplay ( void ) { if( fgDisplay.DisplayName ) { @@ -154,5 +159,173 @@ void fghCloseDisplay ( void ) +/* + * Everything down to the end of the next two functions is copied from the X sources. + */ + +/* + +Copyright 1985, 1986, 1987,1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ + +#define NoValue 0x0000 +#define XValue 0x0001 +#define YValue 0x0002 +#define WidthValue 0x0004 +#define HeightValue 0x0008 +#define AllValues 0x000F +#define XNegative 0x0010 +#define YNegative 0x0020 + +/* + * XParseGeometry parses strings of the form + * "=x{+-}{+-}", where + * width, height, xoffset, and yoffset are unsigned integers. + * Example: "=80x24+300-49" + * The equal sign is optional. + * It returns a bitmask that indicates which of the four values + * were actually found in the string. For each value found, + * the corresponding argument is updated; for each value + * not found, the corresponding argument is left unchanged. + */ + +static int +ReadInteger(char *string, char **NextString) +{ + register int Result = 0; + int Sign = 1; + + if (*string == '+') + string++; + else if (*string == '-') + { + string++; + Sign = -1; + } + for (; (*string >= '0') && (*string <= '9'); string++) + { + Result = (Result * 10) + (*string - '0'); + } + *NextString = string; + if (Sign >= 0) + return Result; + else + return -Result; +} + +int XParseGeometry ( + const char *string, + int *x, + int *y, + unsigned int *width, /* RETURN */ + unsigned int *height) /* RETURN */ +{ + int mask = NoValue; + register char *strind; + unsigned int tempWidth = 0, tempHeight = 0; + int tempX = 0, tempY = 0; + char *nextCharacter; + + if ( (string == NULL) || (*string == '\0')) + return mask; + if (*string == '=') + string++; /* ignore possible '=' at beg of geometry spec */ + + strind = (char *)string; + if (*strind != '+' && *strind != '-' && *strind != 'x') { + tempWidth = ReadInteger(strind, &nextCharacter); + if (strind == nextCharacter) + return 0; + strind = nextCharacter; + mask |= WidthValue; + } + + if (*strind == 'x' || *strind == 'X') { + strind++; + tempHeight = ReadInteger(strind, &nextCharacter); + if (strind == nextCharacter) + return 0; + strind = nextCharacter; + mask |= HeightValue; + } + + if ((*strind == '+') || (*strind == '-')) { + if (*strind == '-') { + strind++; + tempX = -ReadInteger(strind, &nextCharacter); + if (strind == nextCharacter) + return 0; + strind = nextCharacter; + mask |= XNegative; + } + else + { + strind++; + tempX = ReadInteger(strind, &nextCharacter); + if (strind == nextCharacter) + return 0; + strind = nextCharacter; + } + mask |= XValue; + if ((*strind == '+') || (*strind == '-')) { + if (*strind == '-') { + strind++; + tempY = -ReadInteger(strind, &nextCharacter); + if (strind == nextCharacter) + return 0; + strind = nextCharacter; + mask |= YNegative; + } + else + { + strind++; + tempY = ReadInteger(strind, &nextCharacter); + if (strind == nextCharacter) + return 0; + strind = nextCharacter; + } + mask |= YValue; + } + } + + /* If strind isn't at the end of the string the it's an invalid + geometry specification. */ + + if (*strind != '\0') return 0; + + if (mask & XValue) + *x = tempX; + if (mask & YValue) + *y = tempY; + if (mask & WidthValue) + *width = tempWidth; + if (mask & HeightValue) + *height = tempHeight; + return mask; +} +