e14743d1 |
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 | |