Mercurial > sdl-ios-xcode
annotate src/video/bwindow/SDL_sysmouse.cc @ 570:04d6411da49d
ate: Thu, 16 Jan 2003 13:48:31 +0200
From: "Mike Gorchak"
added support for checking libtool's version of libdl for dlopen.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 20 Jan 2003 01:37:07 +0000 |
parents | f6ffac90895c |
children | b8d311d90021 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
297
f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents:
252
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changeset
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
6 modify it under the terms of the GNU Library General Public | |
7 License as published by the Free Software Foundation; either | |
8 version 2 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 Library General Public License for more details. | |
14 | |
15 You should have received a copy of the GNU Library General Public | |
16 License along with this library; if not, write to the Free | |
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | |
19 Sam Lantinga | |
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
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20 slouken@libsdl.org |
0 | 21 */ |
22 | |
23 #ifdef SAVE_RCSID | |
24 static char rcsid = | |
25 "@(#) $Id$"; | |
26 #endif | |
27 | |
28 #include <stdlib.h> | |
29 #include <string.h> | |
30 | |
31 #include <AppKit.h> | |
32 #include <GameKit.h> | |
33 | |
34 #include "SDL_error.h" | |
35 #include "SDL_BWin.h" | |
36 | |
37 extern "C" { | |
38 | |
39 #include "SDL_sysmouse_c.h" | |
40 | |
41 /* Convert bits to padded bytes */ | |
42 #define PADDED_BITS(bits) ((bits+7)/8) | |
43 | |
44 /* The implementation dependent data for the window manager cursor */ | |
45 struct WMcursor { | |
46 char *bits; | |
47 }; | |
48 | |
49 /* Can this be done in the BeOS? */ | |
50 WMcursor *BE_CreateWMCursor(_THIS, | |
51 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) | |
52 { | |
53 WMcursor *cursor; | |
54 int allowed_x; | |
55 int allowed_y; | |
56 int run, pad, i; | |
57 char *cptr; | |
58 | |
59 allowed_x = 16; /* BeOS limitation */ | |
60 allowed_y = 16; /* BeOS limitation */ | |
61 if ( (w > allowed_x) || (h > allowed_y) ) { | |
62 SDL_SetError("Only cursors of dimension (%dx%d) are allowed", | |
63 allowed_x, allowed_y); | |
64 return(NULL); | |
65 } | |
66 | |
67 /* Allocate the cursor */ | |
68 cursor = (WMcursor *)malloc(sizeof(WMcursor)); | |
69 if ( cursor == NULL ) { | |
70 SDL_OutOfMemory(); | |
71 return(NULL); | |
72 } | |
73 cursor->bits = (char *)malloc(4+2*((allowed_x/8)*allowed_y)); | |
74 if ( cursor->bits == NULL ) { | |
75 free(cursor); | |
76 SDL_OutOfMemory(); | |
77 return(NULL); | |
78 } | |
79 cursor->bits[0] = allowed_y; /* Size of the cursor */ | |
80 cursor->bits[1] = 1; /* Bit depth of cursor */ | |
81 cursor->bits[2] = hot_y; | |
82 cursor->bits[3] = hot_x; | |
83 cptr = &cursor->bits[4]; | |
84 | |
85 /* Pad out to the normal cursor size */ | |
86 run = PADDED_BITS(w); | |
87 pad = PADDED_BITS(allowed_x)-run; | |
88 for ( i=0; i<h; ++i ) { | |
89 memcpy(cptr, data, run); | |
90 memset(cptr+run, 0, pad); | |
91 data += run; | |
92 cptr += (run+pad); | |
93 } | |
94 for ( ; i<allowed_y; ++i ) { | |
95 memset(cptr, 0, run+pad); | |
96 cptr += (run+pad); | |
97 } | |
98 for ( i=0; i<h; ++i ) { | |
99 /* FIXME: The mask should be OR'd with the data to turn | |
100 inverted color pixels black, since inverted color pixels | |
101 aren't supported under BeOS. | |
102 */ | |
103 memcpy(cptr, mask, run); | |
104 memset(cptr+run, 0, pad); | |
105 mask += run; | |
106 cptr += (run+pad); | |
107 } | |
108 for ( ; i<allowed_y; ++i ) { | |
109 memset(cptr, 0, run+pad); | |
110 cptr += (run+pad); | |
111 } | |
112 return(cursor); | |
113 } | |
114 | |
115 int BE_ShowWMCursor(_THIS, WMcursor *cursor) | |
116 { | |
117 if ( be_app->Lock() ) { | |
118 if ( cursor == NULL ) { | |
119 if ( SDL_BlankCursor != NULL ) { | |
120 be_app->SetCursor(SDL_BlankCursor->bits); | |
121 } | |
122 } else { | |
123 be_app->SetCursor(cursor->bits); | |
124 } | |
125 be_app->Unlock(); | |
126 } | |
127 return(1); | |
128 } | |
129 | |
130 void BE_FreeWMCursor(_THIS, WMcursor *cursor) | |
131 { | |
132 free(cursor->bits); | |
133 free(cursor); | |
134 } | |
135 | |
136 /* Implementation by Christian Bauer <cbauer@student.physik.uni-mainz.de> */ | |
137 void BE_WarpWMCursor(_THIS, Uint16 x, Uint16 y) | |
138 { | |
139 BPoint pt(x, y); | |
140 SDL_Win->Lock(); | |
141 SDL_Win->ConvertToScreen(&pt); | |
142 SDL_Win->Unlock(); | |
143 set_mouse_position((int32)pt.x, (int32)pt.y); | |
144 } | |
145 | |
146 }; /* Extern C */ |