2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 Sam Lantinga
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.
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.
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
22 #include "SDL_config.h"
30 #include "../SDL_cursor_c.h"
31 #include "SDL_sysmouse_c.h"
33 /* Convert bits to padded bytes */
34 #define PADDED_BITS(bits) ((bits+7)/8)
36 /* The implementation dependent data for the window manager cursor */
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)
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);
59 /* Allocate the cursor */
60 cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor));
61 if ( cursor == NULL ) {
65 cursor->bits = (char *)SDL_malloc(4+2*((allowed_x/8)*allowed_y));
66 if ( cursor->bits == NULL ) {
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];
77 /* Pad out to the normal cursor size */
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);
86 for ( ; i<allowed_y; ++i ) {
87 SDL_memset(cptr, 0, run+pad);
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.
95 SDL_memcpy(cptr, mask, run);
96 SDL_memset(cptr+run, 0, pad);
100 for ( ; i<allowed_y; ++i ) {
101 SDL_memset(cptr, 0, run+pad);
107 int BE_ShowWMCursor(_THIS, WMcursor *cursor)
109 if ( be_app->Lock() ) {
110 if ( cursor == NULL ) {
111 if ( SDL_BlankCursor != NULL ) {
112 be_app->SetCursor(SDL_BlankCursor->bits);
115 be_app->SetCursor(cursor->bits);
122 void BE_FreeWMCursor(_THIS, WMcursor *cursor)
124 SDL_free(cursor->bits);
128 /* Implementation by Christian Bauer <cbauer@student.physik.uni-mainz.de> */
129 void BE_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
132 SDL_Win->GetXYOffset(pt.x, pt.y);
136 SDL_Win->ConvertToScreen(&pt);
138 set_mouse_position((int32)pt.x, (int32)pt.y);
141 /* Check to see if we need to enter or leave mouse relative mode */
142 void BE_CheckMouseMode(_THIS)
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) ) {