/
SDL_QuartzWM.m
188 lines (152 loc) · 4.96 KB
/
SDL_QuartzWM.m
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
slouken@devolution.com
*/
struct WMcursor {
Cursor curs;
};
static void QZ_FreeWMCursor (_THIS, WMcursor *cursor) {
if ( cursor != NULL )
free (cursor);
}
/* Use the Carbon cursor routines for now */
static WMcursor* QZ_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 *)malloc(sizeof(WMcursor));
if ( cursor == NULL ) {
SDL_OutOfMemory();
return(NULL);
}
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 ) {
memcpy(&cursor->curs.data[row], data, bytes);
data += bytes;
}
for ( row=0; row<h; ++row ) {
memcpy(&cursor->curs.mask[row], mask, bytes);
mask += bytes;
}
cursor->curs.hotSpot.h = hot_x;
cursor->curs.hotSpot.v = hot_y;
return(cursor);
}
static int QZ_cursor_visible = 1;
static int QZ_ShowWMCursor (_THIS, WMcursor *cursor) {
if ( cursor == NULL) {
if ( QZ_cursor_visible ) {
HideCursor ();
QZ_cursor_visible = 0;
}
}
else {
SetCursor(&cursor->curs);
if ( ! QZ_cursor_visible ) {
ShowCursor ();
QZ_cursor_visible = 1;
}
}
return 1;
}
static void QZ_PrivateWarpCursor (_THIS, int fullscreen, int h, int x, int y) {
CGPoint p;
/* We require absolute screen coordiates for our warp */
p.x = x;
p.y = h - y;
if ( fullscreen )
/* Already absolute coordinates */
CGDisplayMoveCursorToPoint(display_id, p);
else {
/* Convert to absolute screen coordinates */
NSPoint base, screen;
base = NSMakePoint (p.x, p.y);
screen = [ qz_window convertBaseToScreen:base ];
p.x = screen.x;
p.y = device_height - screen.y;
CGDisplayMoveCursorToPoint (display_id, p);
}
}
static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y) {
/* Only allow warping when in foreground */
if ( ! inForeground )
return;
/* Do the actual warp */
QZ_PrivateWarpCursor (this, SDL_VideoSurface->flags & SDL_FULLSCREEN,
SDL_VideoSurface->h, x, y);
/* Generate mouse moved event */
SDL_PrivateMouseMotion (SDL_RELEASED, 0, x, y);
}
static void QZ_MoveWMCursor (_THIS, int x, int y) { }
static void QZ_CheckMouseMode (_THIS) { }
static void QZ_SetCaption (_THIS, const char *title, const char *icon) {
if ( qz_window != nil ) {
NSString *string;
if ( title != NULL ) {
string = [ [ NSString alloc ] initWithCString:title ];
[ qz_window setTitle:string ];
[ string release ];
}
if ( icon != NULL ) {
string = [ [ NSString alloc ] initWithCString:icon ];
[ qz_window setMiniwindowTitle:string ];
[ string release ];
}
}
}
static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask) {
/* Convert icon/mask to NSImage, assign with NSWindow's setMiniwindowImage method */
}
static int QZ_IconifyWindow (_THIS) {
/* Bug! minimize erases the framebuffer */
if ( ! [ qz_window isMiniaturized ] ) {
[ qz_window miniaturize:nil ];
return 1;
}
else {
SDL_SetError ("qz_window already iconified");
return 0;
}
}
/*
static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info) {
info->nsWindowPtr = qz_window;
return 0;
}*/
static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode) {
switch (grab_mode) {
case SDL_GRAB_QUERY:
break;
case SDL_GRAB_OFF:
CGAssociateMouseAndMouseCursorPosition (1);
currentGrabMode = SDL_GRAB_OFF;
break;
case SDL_GRAB_ON:
QZ_WarpWMCursor (this, SDL_VideoSurface->w / 2, SDL_VideoSurface->h / 2);
CGAssociateMouseAndMouseCursorPosition (0);
currentGrabMode = SDL_GRAB_ON;
break;
case SDL_GRAB_FULLSCREEN:
break;
}
return currentGrabMode;
}