1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2006 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
Mac_FreeWMCursor(_THIS,WMcursor * cursor)47 void Mac_FreeWMCursor(_THIS, WMcursor *cursor)
48 {
49 SDL_free(cursor);
50 }
51
Mac_CreateWMCursor(_THIS,Uint8 * data,Uint8 * mask,int w,int h,int hot_x,int hot_y)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
Mac_ShowWMCursor(_THIS,WMcursor * cursor)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
Mac_WarpWMCursor(_THIS,Uint16 x,Uint16 y)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
130