Mercurial > sdl-ios-xcode
diff src/video/maccommon/SDL_macmouse.c @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | e92aa316c517 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/maccommon/SDL_macmouse.c Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,130 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@devolution.com +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +#include <stdlib.h> +#include <stdio.h> +#if TARGET_API_MAC_CARBON +#include <Carbon.h> +#else +#include <Quickdraw.h> +#endif + +/* Routines that are not supported by the Carbon API... */ +#if !TARGET_API_MAC_CARBON +#include <CursorDevices.h> +#endif + +#include "SDL_error.h" +#include "SDL_mouse.h" +#include "SDL_macmouse_c.h" + + +/* The implementation dependent data for the window manager cursor */ +struct WMcursor { + Cursor curs; +}; + + +void Mac_FreeWMCursor(_THIS, WMcursor *cursor) +{ + free(cursor); +} + +WMcursor *Mac_CreateWMCursor(_THIS, + Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) +{ + WMcursor *cursor; + int row, bytes; + + /* Allocate the cursor memory */ + cursor = (WMcursor *)malloc(sizeof(WMcursor)); + if ( cursor == NULL ) { + SDL_OutOfMemory(); + return(NULL); + } + memset(cursor, 0, sizeof(*cursor)); + + bytes = (w/8); + if ( bytes > 2 ) { + bytes = 2; + } + for ( row=0; row<h && (row < 16); ++row ) { + memcpy(&cursor->curs.data[row], data, bytes); + data += w/8; + } + for ( row=0; row<h && (row < 16); ++row ) { + memcpy(&cursor->curs.mask[row], mask, bytes); + mask += w/8; + } + cursor->curs.hotSpot.h = hot_x; + cursor->curs.hotSpot.v = hot_y; + + /* That was easy. :) */ + return(cursor); +} + +int Mac_cursor_showing = 1; + +int Mac_ShowWMCursor(_THIS, WMcursor *cursor) +{ + if ( cursor == NULL ) { + if ( Mac_cursor_showing ) { + HideCursor(); + Mac_cursor_showing = 0; + } + } else { + SetCursor(&cursor->curs); + if ( ! Mac_cursor_showing ) { + ShowCursor(); + Mac_cursor_showing = 1; + } + } + return(1); +} + +void Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y) +{ +#if !TARGET_API_MAC_CARBON + CursorDevice *cursordevice; + + cursordevice = nil; + CursorDeviceNextDevice(&cursordevice); + if ( cursordevice != nil ) { + WindowPtr saveport; + Point where; + + GetPort(&saveport); + SetPort(SDL_Window); + where.h = x; + where.v = y; + LocalToGlobal(&where); + SetPort(saveport); + CursorDeviceMoveTo(cursordevice, where.h, where.v); + } +#endif /* !TARGET_API_MAC_CARBON */ +} +