Mercurial > sdl-ios-xcode
annotate src/video/maccommon/SDL_macmouse.c @ 783:13cab9289513
*** empty log message ***
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 13 Jan 2004 15:14:27 +0000 |
| parents | b8d311d90021 |
| children | 609c060fd2a2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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Updated copyright information for 2004 (Happy New Year!)
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 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 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdlib.h> | |
| 29 #include <stdio.h> | |
| 30 #if TARGET_API_MAC_CARBON | |
| 31 #include <Carbon.h> | |
| 32 #else | |
| 33 #include <Quickdraw.h> | |
| 34 #endif | |
| 35 | |
| 36 /* Routines that are not supported by the Carbon API... */ | |
| 37 #if !TARGET_API_MAC_CARBON | |
| 38 #include <CursorDevices.h> | |
| 39 #endif | |
| 40 | |
| 41 #include "SDL_error.h" | |
| 42 #include "SDL_mouse.h" | |
| 43 #include "SDL_macmouse_c.h" | |
| 44 | |
| 45 | |
| 46 /* The implementation dependent data for the window manager cursor */ | |
| 47 struct WMcursor { | |
| 48 Cursor curs; | |
| 49 }; | |
| 50 | |
| 51 | |
| 52 void Mac_FreeWMCursor(_THIS, WMcursor *cursor) | |
| 53 { | |
| 54 free(cursor); | |
| 55 } | |
| 56 | |
| 57 WMcursor *Mac_CreateWMCursor(_THIS, | |
| 58 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) | |
| 59 { | |
| 60 WMcursor *cursor; | |
| 61 int row, bytes; | |
| 62 | |
| 63 /* Allocate the cursor memory */ | |
| 64 cursor = (WMcursor *)malloc(sizeof(WMcursor)); | |
| 65 if ( cursor == NULL ) { | |
| 66 SDL_OutOfMemory(); | |
| 67 return(NULL); | |
| 68 } | |
| 69 memset(cursor, 0, sizeof(*cursor)); | |
|
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70 |
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71 if (w > 16) |
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72 w = 16; |
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73 |
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74 if (h > 16) |
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75 h = 16; |
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76 |
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77 bytes = (w+7)/8; |
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78 |
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79 for ( row=0; row<h; ++row ) { |
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80 memcpy(&cursor->curs.data[row], data, bytes); |
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81 data += bytes; |
| 0 | 82 } |
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83 for ( row=0; row<h; ++row ) { |
| 0 | 84 memcpy(&cursor->curs.mask[row], mask, bytes); |
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85 mask += bytes; |
| 0 | 86 } |
| 87 cursor->curs.hotSpot.h = hot_x; | |
| 88 cursor->curs.hotSpot.v = hot_y; | |
| 89 | |
| 90 /* That was easy. :) */ | |
| 91 return(cursor); | |
| 92 } | |
| 93 | |
| 94 int Mac_cursor_showing = 1; | |
| 95 | |
| 96 int Mac_ShowWMCursor(_THIS, WMcursor *cursor) | |
| 97 { | |
| 98 if ( cursor == NULL ) { | |
| 99 if ( Mac_cursor_showing ) { | |
| 100 HideCursor(); | |
| 101 Mac_cursor_showing = 0; | |
| 102 } | |
| 103 } else { | |
| 104 SetCursor(&cursor->curs); | |
| 105 if ( ! Mac_cursor_showing ) { | |
| 106 ShowCursor(); | |
| 107 Mac_cursor_showing = 1; | |
| 108 } | |
| 109 } | |
| 110 return(1); | |
| 111 } | |
| 112 | |
| 113 void Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y) | |
| 114 { | |
| 115 #if !TARGET_API_MAC_CARBON | |
| 116 CursorDevice *cursordevice; | |
| 117 | |
| 118 cursordevice = nil; | |
| 119 CursorDeviceNextDevice(&cursordevice); | |
| 120 if ( cursordevice != nil ) { | |
| 121 WindowPtr saveport; | |
| 122 Point where; | |
| 123 | |
| 124 GetPort(&saveport); | |
| 125 SetPort(SDL_Window); | |
| 126 where.h = x; | |
| 127 where.v = y; | |
| 128 LocalToGlobal(&where); | |
| 129 SetPort(saveport); | |
| 130 CursorDeviceMoveTo(cursordevice, where.h, where.v); | |
| 131 } | |
| 132 #endif /* !TARGET_API_MAC_CARBON */ | |
| 133 } | |
| 134 |