diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/bwindow/SDL_sysmouse.cc')
-rw-r--r-- | apps/plugins/sdl/src/video/bwindow/SDL_sysmouse.cc | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/bwindow/SDL_sysmouse.cc b/apps/plugins/sdl/src/video/bwindow/SDL_sysmouse.cc new file mode 100644 index 0000000000..9a557d6286 --- /dev/null +++ b/apps/plugins/sdl/src/video/bwindow/SDL_sysmouse.cc | |||
@@ -0,0 +1,153 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 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 | #include <AppKit.h> | ||
25 | #include <GameKit.h> | ||
26 | |||
27 | #include "SDL_BWin.h" | ||
28 | |||
29 | extern "C" { | ||
30 | #include "../SDL_cursor_c.h" | ||
31 | #include "SDL_sysmouse_c.h" | ||
32 | |||
33 | /* Convert bits to padded bytes */ | ||
34 | #define PADDED_BITS(bits) ((bits+7)/8) | ||
35 | |||
36 | /* The implementation dependent data for the window manager cursor */ | ||
37 | struct WMcursor { | ||
38 | char *bits; | ||
39 | }; | ||
40 | |||
41 | /* Can this be done in the BeOS? */ | ||
42 | WMcursor *BE_CreateWMCursor(_THIS, | ||
43 | Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) | ||
44 | { | ||
45 | WMcursor *cursor; | ||
46 | int allowed_x; | ||
47 | int allowed_y; | ||
48 | int run, pad, i; | ||
49 | char *cptr; | ||
50 | |||
51 | allowed_x = 16; /* BeOS limitation */ | ||
52 | allowed_y = 16; /* BeOS limitation */ | ||
53 | if ( (w > allowed_x) || (h > allowed_y) ) { | ||
54 | SDL_SetError("Only cursors of dimension (%dx%d) are allowed", | ||
55 | allowed_x, allowed_y); | ||
56 | return(NULL); | ||
57 | } | ||
58 | |||
59 | /* Allocate the cursor */ | ||
60 | cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); | ||
61 | if ( cursor == NULL ) { | ||
62 | SDL_OutOfMemory(); | ||
63 | return(NULL); | ||
64 | } | ||
65 | cursor->bits = (char *)SDL_malloc(4+2*((allowed_x/8)*allowed_y)); | ||
66 | if ( cursor->bits == NULL ) { | ||
67 | SDL_free(cursor); | ||
68 | SDL_OutOfMemory(); | ||
69 | return(NULL); | ||
70 | } | ||
71 | cursor->bits[0] = allowed_y; /* Size of the cursor */ | ||
72 | cursor->bits[1] = 1; /* Bit depth of cursor */ | ||
73 | cursor->bits[2] = hot_y; | ||
74 | cursor->bits[3] = hot_x; | ||
75 | cptr = &cursor->bits[4]; | ||
76 | |||
77 | /* Pad out to the normal cursor size */ | ||
78 | run = PADDED_BITS(w); | ||
79 | pad = PADDED_BITS(allowed_x)-run; | ||
80 | for ( i=0; i<h; ++i ) { | ||
81 | SDL_memcpy(cptr, data, run); | ||
82 | SDL_memset(cptr+run, 0, pad); | ||
83 | data += run; | ||
84 | cptr += (run+pad); | ||
85 | } | ||
86 | for ( ; i<allowed_y; ++i ) { | ||
87 | SDL_memset(cptr, 0, run+pad); | ||
88 | cptr += (run+pad); | ||
89 | } | ||
90 | for ( i=0; i<h; ++i ) { | ||
91 | /* FIXME: The mask should be OR'd with the data to turn | ||
92 | inverted color pixels black, since inverted color pixels | ||
93 | aren't supported under BeOS. | ||
94 | */ | ||
95 | SDL_memcpy(cptr, mask, run); | ||
96 | SDL_memset(cptr+run, 0, pad); | ||
97 | mask += run; | ||
98 | cptr += (run+pad); | ||
99 | } | ||
100 | for ( ; i<allowed_y; ++i ) { | ||
101 | SDL_memset(cptr, 0, run+pad); | ||
102 | cptr += (run+pad); | ||
103 | } | ||
104 | return(cursor); | ||
105 | } | ||
106 | |||
107 | int BE_ShowWMCursor(_THIS, WMcursor *cursor) | ||
108 | { | ||
109 | if ( be_app->Lock() ) { | ||
110 | if ( cursor == NULL ) { | ||
111 | if ( SDL_BlankCursor != NULL ) { | ||
112 | be_app->SetCursor(SDL_BlankCursor->bits); | ||
113 | } | ||
114 | } else { | ||
115 | be_app->SetCursor(cursor->bits); | ||
116 | } | ||
117 | be_app->Unlock(); | ||
118 | } | ||
119 | return(1); | ||
120 | } | ||
121 | |||
122 | void BE_FreeWMCursor(_THIS, WMcursor *cursor) | ||
123 | { | ||
124 | SDL_free(cursor->bits); | ||
125 | SDL_free(cursor); | ||
126 | } | ||
127 | |||
128 | /* Implementation by Christian Bauer <cbauer@student.physik.uni-mainz.de> */ | ||
129 | void BE_WarpWMCursor(_THIS, Uint16 x, Uint16 y) | ||
130 | { | ||
131 | BPoint pt; | ||
132 | SDL_Win->GetXYOffset(pt.x, pt.y); | ||
133 | pt.x += x; | ||
134 | pt.y += y; | ||
135 | SDL_Win->Lock(); | ||
136 | SDL_Win->ConvertToScreen(&pt); | ||
137 | SDL_Win->Unlock(); | ||
138 | set_mouse_position((int32)pt.x, (int32)pt.y); | ||
139 | } | ||
140 | |||
141 | /* Check to see if we need to enter or leave mouse relative mode */ | ||
142 | void BE_CheckMouseMode(_THIS) | ||
143 | { | ||
144 | /* If the mouse is hidden and input is grabbed, we use relative mode */ | ||
145 | if ( !(SDL_cursorstate & CURSOR_VISIBLE) && | ||
146 | (_this->input_grab != SDL_GRAB_OFF) ) { | ||
147 | mouse_relative = 1; | ||
148 | } else { | ||
149 | mouse_relative = 0; | ||
150 | } | ||
151 | } | ||
152 | |||
153 | }; /* Extern C */ | ||