Mercurial > sdl-ios-xcode
comparison src/video/maccommon/SDL_macmouse.c @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
---|---|
date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | e92aa316c517 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:74212992fb08 |
---|---|
1 /* | |
2 SDL - Simple DirectMedia Layer | |
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
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 | |
20 slouken@devolution.com | |
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)); | |
70 | |
71 bytes = (w/8); | |
72 if ( bytes > 2 ) { | |
73 bytes = 2; | |
74 } | |
75 for ( row=0; row<h && (row < 16); ++row ) { | |
76 memcpy(&cursor->curs.data[row], data, bytes); | |
77 data += w/8; | |
78 } | |
79 for ( row=0; row<h && (row < 16); ++row ) { | |
80 memcpy(&cursor->curs.mask[row], mask, bytes); | |
81 mask += w/8; | |
82 } | |
83 cursor->curs.hotSpot.h = hot_x; | |
84 cursor->curs.hotSpot.v = hot_y; | |
85 | |
86 /* That was easy. :) */ | |
87 return(cursor); | |
88 } | |
89 | |
90 int Mac_cursor_showing = 1; | |
91 | |
92 int Mac_ShowWMCursor(_THIS, WMcursor *cursor) | |
93 { | |
94 if ( cursor == NULL ) { | |
95 if ( Mac_cursor_showing ) { | |
96 HideCursor(); | |
97 Mac_cursor_showing = 0; | |
98 } | |
99 } else { | |
100 SetCursor(&cursor->curs); | |
101 if ( ! Mac_cursor_showing ) { | |
102 ShowCursor(); | |
103 Mac_cursor_showing = 1; | |
104 } | |
105 } | |
106 return(1); | |
107 } | |
108 | |
109 void Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y) | |
110 { | |
111 #if !TARGET_API_MAC_CARBON | |
112 CursorDevice *cursordevice; | |
113 | |
114 cursordevice = nil; | |
115 CursorDeviceNextDevice(&cursordevice); | |
116 if ( cursordevice != nil ) { | |
117 WindowPtr saveport; | |
118 Point where; | |
119 | |
120 GetPort(&saveport); | |
121 SetPort(SDL_Window); | |
122 where.h = x; | |
123 where.v = y; | |
124 LocalToGlobal(&where); | |
125 SetPort(saveport); | |
126 CursorDeviceMoveTo(cursordevice, where.h, where.v); | |
127 } | |
128 #endif /* !TARGET_API_MAC_CARBON */ | |
129 } | |
130 |