This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_macmouse.c
136 lines (112 loc) · 3.21 KB
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
11
12
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
13
Lesser General Public License for more details.
14
15
16
17
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
18
19
Sam Lantinga
20
slouken@libsdl.org
21
*/
22
#include "SDL_config.h"
23
24
25
26
#if defined(__APPLE__) && defined(__MACH__)
#include <Carbon/Carbon.h>
#elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335)
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#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 */
42
43
44
struct WMcursor
{
Cursor curs;
45
46
47
};
48
49
void
Mac_FreeWMCursor (_THIS, WMcursor * cursor)
50
{
51
SDL_free (cursor);
52
53
}
54
55
56
57
WMcursor *
Mac_CreateWMCursor (_THIS,
Uint8 * data, Uint8 * mask, int w, int h, int hot_x,
int hot_y)
58
{
59
60
61
62
63
64
65
66
67
68
69
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));
70
71
if (w > 16)
w = 16;
72
73
74
if (h > 16)
h = 16;
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
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);
91
92
93
94
}
int Mac_cursor_showing = 1;
95
96
int
Mac_ShowWMCursor (_THIS, WMcursor * cursor)
97
{
98
99
100
101
102
103
104
105
106
107
108
109
110
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);
111
112
}
113
114
void
Mac_WarpWMCursor (_THIS, Uint16 x, Uint16 y)
115
116
{
#if !TARGET_API_MAC_CARBON
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
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);
}
133
134
135
#endif /* !TARGET_API_MAC_CARBON */
}
136
/* vi: set ts=4 sw=4 expandtab: */