From b29d44e0b19fc28021b9ecf2da354c1225b64cfb Mon Sep 17 00:00:00 2001 From: "John F. Fay" Date: Sun, 5 Feb 2012 14:04:48 +0000 Subject: [PATCH] Splitting the X11-specific "freeglut_cursor.c" code into its own file git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@1067 7f0cb862-5218-0410-a997-914c9d46530a --- src/Common/freeglut_cursor.c | 121 --------------------------------- src/x11/freeglut_cursor_x11.c | 151 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 151 insertions(+), 121 deletions(-) diff --git a/src/Common/freeglut_cursor.c b/src/Common/freeglut_cursor.c index 140c0ea..3b144f3 100644 --- a/src/Common/freeglut_cursor.c +++ b/src/Common/freeglut_cursor.c @@ -42,127 +42,6 @@ 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 ---------------------------------------------------- */ diff --git a/src/x11/freeglut_cursor_x11.c b/src/x11/freeglut_cursor_x11.c index e69de29..420ec78 100644 --- a/src/x11/freeglut_cursor_x11.c +++ b/src/x11/freeglut_cursor_x11.c @@ -0,0 +1,151 @@ +/* + * freeglut_cursor_x11.c + * + * The Windows-specific mouse cursor related stuff. + * + * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved. + * Written by John F. Fay, + * Creation date: Sun Feb 5, 2012 + * + * 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 "../Common/freeglut_internal.h" + +/* This code is for Posix/X11, Solaris, and OSX */ +#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 ); +} + -- 1.7.10.4