This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_macmouse.c
136 lines (112 loc) · 3.19 KB
/
SDL_macmouse.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#if defined(__APPLE__) && defined(__MACH__)
#include <Carbon/Carbon.h>
#elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335)
#include <Carbon.h>
#else
#include <Quickdraw.h>
#endif
/* Routines that are not supported by the Carbon API... */
#if !TARGET_API_MAC_CARBON
#include <CursorDevices.h>
#endif
#include "SDL_mouse.h"
#include "SDL_macmouse_c.h"
/* The implementation dependent data for the window manager cursor */
struct WMcursor
{
Cursor curs;
};
void
Mac_FreeWMCursor(_THIS, WMcursor * cursor)
{
SDL_free(cursor);
}
WMcursor *
Mac_CreateWMCursor(_THIS,
Uint8 * data, Uint8 * mask, int w, int h, int hot_x,
int hot_y)
{
WMcursor *cursor;
int row, bytes;
/* Allocate the cursor memory */
cursor = (WMcursor *) SDL_malloc(sizeof(WMcursor));
if (cursor == NULL) {
SDL_OutOfMemory();
return (NULL);
}
SDL_memset(cursor, 0, sizeof(*cursor));
if (w > 16)
w = 16;
if (h > 16)
h = 16;
bytes = (w + 7) / 8;
for (row = 0; row < h; ++row) {
SDL_memcpy(&cursor->curs.data[row], data, bytes);
data += bytes;
}
for (row = 0; row < h; ++row) {
SDL_memcpy(&cursor->curs.mask[row], mask, bytes);
mask += bytes;
}
cursor->curs.hotSpot.h = hot_x;
cursor->curs.hotSpot.v = hot_y;
/* That was easy. :) */
return (cursor);
}
int Mac_cursor_showing = 1;
int
Mac_ShowWMCursor(_THIS, WMcursor * cursor)
{
if (cursor == NULL) {
if (Mac_cursor_showing) {
HideCursor();
Mac_cursor_showing = 0;
}
} else {
SetCursor(&cursor->curs);
if (!Mac_cursor_showing) {
ShowCursor();
Mac_cursor_showing = 1;
}
}
return (1);
}
void
Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
{
#if !TARGET_API_MAC_CARBON
CursorDevice *cursordevice;
cursordevice = nil;
CursorDeviceNextDevice(&cursordevice);
if (cursordevice != nil) {
WindowPtr saveport;
Point where;
GetPort(&saveport);
SetPort(SDL_Window);
where.h = x;
where.v = y;
LocalToGlobal(&where);
SetPort(saveport);
CursorDeviceMoveTo(cursordevice, where.h, where.v);
}
#endif /* !TARGET_API_MAC_CARBON */
}
/* vi: set ts=4 sw=4 expandtab: */