| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #if defined(__APPLE__) && defined(__MACH__) |
| 25 | #include <Carbon/Carbon.h> |
| 26 | #elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335) |
| 27 | #include <Carbon.h> |
| 28 | #else |
| 29 | #include <Quickdraw.h> |
| 30 | #endif |
| 31 | |
| 32 | /* Routines that are not supported by the Carbon API... */ |
| 33 | #if !TARGET_API_MAC_CARBON |
| 34 | #include <CursorDevices.h> |
| 35 | #endif |
| 36 | |
| 37 | #include "SDL_mouse.h" |
| 38 | #include "SDL_macmouse_c.h" |
| 39 | |
| 40 | |
| 41 | /* The implementation dependent data for the window manager cursor */ |
| 42 | struct WMcursor { |
| 43 | Cursor curs; |
| 44 | }; |
| 45 | |
| 46 | |
| 47 | void Mac_FreeWMCursor(_THIS, WMcursor *cursor) |
| 48 | { |
| 49 | SDL_free(cursor); |
| 50 | } |
| 51 | |
| 52 | WMcursor *Mac_CreateWMCursor(_THIS, |
| 53 | Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) |
| 54 | { |
| 55 | WMcursor *cursor; |
| 56 | int row, bytes; |
| 57 | |
| 58 | /* Allocate the cursor memory */ |
| 59 | cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); |
| 60 | if ( cursor == NULL ) { |
| 61 | SDL_OutOfMemory(); |
| 62 | return(NULL); |
| 63 | } |
| 64 | SDL_memset(cursor, 0, sizeof(*cursor)); |
| 65 | |
| 66 | if (w > 16) |
| 67 | w = 16; |
| 68 | |
| 69 | if (h > 16) |
| 70 | h = 16; |
| 71 | |
| 72 | bytes = (w+7)/8; |
| 73 | |
| 74 | for ( row=0; row<h; ++row ) { |
| 75 | SDL_memcpy(&cursor->curs.data[row], data, bytes); |
| 76 | data += bytes; |
| 77 | } |
| 78 | for ( row=0; row<h; ++row ) { |
| 79 | SDL_memcpy(&cursor->curs.mask[row], mask, bytes); |
| 80 | mask += bytes; |
| 81 | } |
| 82 | cursor->curs.hotSpot.h = hot_x; |
| 83 | cursor->curs.hotSpot.v = hot_y; |
| 84 | |
| 85 | /* That was easy. :) */ |
| 86 | return(cursor); |
| 87 | } |
| 88 | |
| 89 | int Mac_cursor_showing = 1; |
| 90 | |
| 91 | int Mac_ShowWMCursor(_THIS, WMcursor *cursor) |
| 92 | { |
| 93 | if ( cursor == NULL ) { |
| 94 | if ( Mac_cursor_showing ) { |
| 95 | HideCursor(); |
| 96 | Mac_cursor_showing = 0; |
| 97 | } |
| 98 | } else { |
| 99 | SetCursor(&cursor->curs); |
| 100 | if ( ! Mac_cursor_showing ) { |
| 101 | ShowCursor(); |
| 102 | Mac_cursor_showing = 1; |
| 103 | } |
| 104 | } |
| 105 | return(1); |
| 106 | } |
| 107 | |
| 108 | void Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y) |
| 109 | { |
| 110 | #if !TARGET_API_MAC_CARBON |
| 111 | CursorDevice *cursordevice; |
| 112 | |
| 113 | cursordevice = nil; |
| 114 | CursorDeviceNextDevice(&cursordevice); |
| 115 | if ( cursordevice != nil ) { |
| 116 | WindowPtr saveport; |
| 117 | Point where; |
| 118 | |
| 119 | GetPort(&saveport); |
| 120 | SetPort(SDL_Window); |
| 121 | where.h = x; |
| 122 | where.v = y; |
| 123 | LocalToGlobal(&where); |
| 124 | SetPort(saveport); |
| 125 | CursorDeviceMoveTo(cursordevice, where.h, where.v); |
| 126 | } |
| 127 | #endif /* !TARGET_API_MAC_CARBON */ |
| 128 | } |
| 129 | |