X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2FCommon%2Ffreeglut_cursor.c;h=b9254c1eb8127d65d0041a083ff91cb2f0c96e0a;hb=1ede9f68f98e29ddd07bd466310967e716bfac92;hp=140c0ea2d78815f58f02f6256ffc5de9fd2878e5;hpb=83a7f1444d1388983a7b756dde26b0cc74101b13;p=freeglut diff --git a/src/Common/freeglut_cursor.c b/src/Common/freeglut_cursor.c index 140c0ea..b9254c1 100644 --- a/src/Common/freeglut_cursor.c +++ b/src/Common/freeglut_cursor.c @@ -1,200 +1,79 @@ -/* - * freeglut_cursor.c - * - * The mouse cursor related stuff. - * - * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved. - * Written by Pawel W. Olszta, - * Creation date: Thu Dec 16 1999 - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * 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 - * PAWEL W. OLSZTA 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. - */ - -#include -#include "freeglut_internal.h" - -/* - * TODO BEFORE THE STABLE RELEASE: - * glutSetCursor() -- Win32 mappings are incomplete. - * - * It would be good to use custom mouse cursor shapes, and introduce - * an option to display them using glBitmap() and/or texture mapping, - * apart from the windowing system version. - */ - -/* -- PRIVATE FUNCTIONS --------------------------------------------------- */ - -extern void fgPlatformSetCursor ( SFG_Window *window, int cursorID ); -extern void fgPlatformWarpPointer ( int x, int y ); - -#if TARGET_HOST_POSIX_X11 || TARGET_HOST_MAC_OSX || TARGET_HOST_SOLARIS - #include - -/* - * A factory method for an empty cursor - */ -static Cursor getEmptyCursor( void ) -{ - static Cursor cursorNone = None; - if( cursorNone == None ) { - char cursorNoneBits[ 32 ]; - XColor dontCare; - Pixmap cursorNonePixmap; - memset( cursorNoneBits, 0, sizeof( cursorNoneBits ) ); - memset( &dontCare, 0, sizeof( dontCare ) ); - cursorNonePixmap = XCreateBitmapFromData ( fgDisplay.pDisplay.Display, - fgDisplay.pDisplay.RootWindow, - cursorNoneBits, 16, 16 ); - if( cursorNonePixmap != None ) { - cursorNone = XCreatePixmapCursor( fgDisplay.pDisplay.Display, - cursorNonePixmap, cursorNonePixmap, - &dontCare, &dontCare, 0, 0 ); - XFreePixmap( fgDisplay.pDisplay.Display, cursorNonePixmap ); - } - } - return cursorNone; -} - -typedef struct tag_cursorCacheEntry cursorCacheEntry; -struct tag_cursorCacheEntry { - unsigned int cursorShape; /* an XC_foo value */ - Cursor cachedCursor; /* None if the corresponding cursor has - not been created yet */ -}; - -/* - * Note: The arrangement of the table below depends on the fact that - * the "normal" GLUT_CURSOR_* values start a 0 and are consecutive. - */ -static cursorCacheEntry cursorCache[] = { - { XC_arrow, None }, /* GLUT_CURSOR_RIGHT_ARROW */ - { XC_top_left_arrow, None }, /* GLUT_CURSOR_LEFT_ARROW */ - { XC_hand1, None }, /* GLUT_CURSOR_INFO */ - { XC_pirate, None }, /* GLUT_CURSOR_DESTROY */ - { XC_question_arrow, None }, /* GLUT_CURSOR_HELP */ - { XC_exchange, None }, /* GLUT_CURSOR_CYCLE */ - { XC_spraycan, None }, /* GLUT_CURSOR_SPRAY */ - { XC_watch, None }, /* GLUT_CURSOR_WAIT */ - { XC_xterm, None }, /* GLUT_CURSOR_TEXT */ - { XC_crosshair, None }, /* GLUT_CURSOR_CROSSHAIR */ - { XC_sb_v_double_arrow, None }, /* GLUT_CURSOR_UP_DOWN */ - { XC_sb_h_double_arrow, None }, /* GLUT_CURSOR_LEFT_RIGHT */ - { XC_top_side, None }, /* GLUT_CURSOR_TOP_SIDE */ - { XC_bottom_side, None }, /* GLUT_CURSOR_BOTTOM_SIDE */ - { XC_left_side, None }, /* GLUT_CURSOR_LEFT_SIDE */ - { XC_right_side, None }, /* GLUT_CURSOR_RIGHT_SIDE */ - { XC_top_left_corner, None }, /* GLUT_CURSOR_TOP_LEFT_CORNER */ - { XC_top_right_corner, None }, /* GLUT_CURSOR_TOP_RIGHT_CORNER */ - { XC_bottom_right_corner, None }, /* GLUT_CURSOR_BOTTOM_RIGHT_CORNER */ - { XC_bottom_left_corner, None } /* GLUT_CURSOR_BOTTOM_LEFT_CORNER */ -}; - -void fgPlatformSetCursor ( SFG_Window *window, int cursorID ) -{ - Cursor cursor; - /* - * XXX FULL_CROSSHAIR demotes to plain CROSSHAIR. Old GLUT allows - * for this, but if there is a system that easily supports a full- - * window (or full-screen) crosshair, we might consider it. - */ - int cursorIDToUse = - ( cursorID == GLUT_CURSOR_FULL_CROSSHAIR ) ? GLUT_CURSOR_CROSSHAIR : cursorID; - - if( ( cursorIDToUse >= 0 ) && - ( cursorIDToUse < sizeof( cursorCache ) / sizeof( cursorCache[0] ) ) ) { - cursorCacheEntry *entry = &cursorCache[ cursorIDToUse ]; - if( entry->cachedCursor == None ) { - entry->cachedCursor = - XCreateFontCursor( fgDisplay.pDisplay.Display, entry->cursorShape ); - } - cursor = entry->cachedCursor; - } else { - switch( cursorIDToUse ) - { - case GLUT_CURSOR_NONE: - cursor = getEmptyCursor( ); - break; - - case GLUT_CURSOR_INHERIT: - cursor = None; - break; - - default: - fgError( "Unknown cursor type: %d", cursorIDToUse ); - return; - } - } - - if ( cursorIDToUse == GLUT_CURSOR_INHERIT ) { - XUndefineCursor( fgDisplay.pDisplay.Display, window->Window.Handle ); - } else if ( cursor != None ) { - XDefineCursor( fgDisplay.pDisplay.Display, window->Window.Handle, cursor ); - } else if ( cursorIDToUse != GLUT_CURSOR_NONE ) { - fgError( "Failed to create cursor" ); - } -} - - -void fgPlatformWarpPointer ( int x, int y ) -{ - XWarpPointer( - fgDisplay.pDisplay.Display, - None, - fgStructure.CurrentWindow->Window.Handle, - 0, 0, 0, 0, - x, y - ); - /* Make the warp visible immediately. */ - XFlush( fgDisplay.pDisplay.Display ); -} -#endif - - -/* -- INTERNAL FUNCTIONS ---------------------------------------------------- */ -void fgSetCursor ( SFG_Window *window, int cursorID ) -{ - fgPlatformSetCursor ( window, cursorID ); -} - - -/* -- INTERFACE FUNCTIONS -------------------------------------------------- */ - -/* - * Set the cursor image to be used for the current window - */ -void FGAPIENTRY glutSetCursor( int cursorID ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetCursor" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetCursor" ); - - fgPlatformSetCursor ( fgStructure.CurrentWindow, cursorID ); - fgStructure.CurrentWindow->State.Cursor = cursorID; -} - -/* - * Moves the mouse pointer to given window coordinates - */ -void FGAPIENTRY glutWarpPointer( int x, int y ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWarpPointer" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutWarpPointer" ); - - fgPlatformWarpPointer ( x, y ); -} - -/*** END OF FILE ***/ +/* + * freeglut_cursor.c + * + * The mouse cursor related stuff. + * + * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved. + * Written by Pawel W. Olszta, + * Creation date: Thu Dec 16 1999 + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * 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 + * PAWEL W. OLSZTA 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. + */ + +#include +#include "freeglut_internal.h" + +/* + * TODO BEFORE THE STABLE RELEASE: + * glutSetCursor() -- Win32 mappings are incomplete. + * + * It would be good to use custom mouse cursor shapes, and introduce + * an option to display them using glBitmap() and/or texture mapping, + * apart from the windowing system version. + */ + +/* -- PRIVATE FUNCTIONS --------------------------------------------------- */ + +extern void fgPlatformSetCursor ( SFG_Window *window, int cursorID ); +extern void fgPlatformWarpPointer ( int x, int y ); + + + +/* -- INTERNAL FUNCTIONS ---------------------------------------------------- */ +void fgSetCursor ( SFG_Window *window, int cursorID ) +{ + fgPlatformSetCursor ( window, cursorID ); +} + + +/* -- INTERFACE FUNCTIONS -------------------------------------------------- */ + +/* + * Set the cursor image to be used for the current window + */ +void FGAPIENTRY glutSetCursor( int cursorID ) +{ + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetCursor" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetCursor" ); + + fgPlatformSetCursor ( fgStructure.CurrentWindow, cursorID ); + fgStructure.CurrentWindow->State.Cursor = cursorID; +} + +/* + * Moves the mouse pointer to given window coordinates + */ +void FGAPIENTRY glutWarpPointer( int x, int y ) +{ + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWarpPointer" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutWarpPointer" ); + + fgPlatformWarpPointer ( x, y ); +} + +/*** END OF FILE ***/