Skip to content

Latest commit

 

History

History
229 lines (187 loc) · 6.13 KB

SDL_ph_mouse.c

File metadata and controls

229 lines (187 loc) · 6.13 KB
 
Apr 26, 2001
Apr 26, 2001
1
2
/*
SDL - Simple DirectMedia Layer
Jan 4, 2004
Jan 4, 2004
3
Copyright (C) 1997-2004 Sam Lantinga
Apr 26, 2001
Apr 26, 2001
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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
Dec 14, 2001
Dec 14, 2001
20
slouken@libsdl.org
Apr 26, 2001
Apr 26, 2001
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "SDL_error.h"
#include "SDL_mouse.h"
#include "SDL_events_c.h"
#include "SDL_cursor_c.h"
#include "SDL_ph_mouse_c.h"
Jan 20, 2003
Jan 20, 2003
38
39
struct WMcursor
{
Mar 23, 2002
Mar 23, 2002
40
PhCursorDef_t *ph_cursor ;
Apr 26, 2001
Apr 26, 2001
41
42
43
44
};
void ph_FreeWMCursor(_THIS, WMcursor *cursor)
{
Mar 23, 2002
Mar 23, 2002
45
46
47
if (window != NULL)
{
SDL_Lock_EventThread();
Apr 26, 2001
Apr 26, 2001
48
Aug 4, 2003
Aug 4, 2003
49
if (PtSetResource(window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_INHERIT, 0) < 0)
Mar 23, 2002
Mar 23, 2002
50
51
52
53
54
55
{
/* TODO: output error msg */
}
SDL_Unlock_EventThread();
}
Aug 4, 2003
Aug 4, 2003
56
Mar 23, 2002
Mar 23, 2002
57
free(cursor);
Apr 26, 2001
Apr 26, 2001
58
59
}
Aug 4, 2003
Aug 4, 2003
60
WMcursor *ph_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
Apr 26, 2001
Apr 26, 2001
61
{
Jan 20, 2003
Jan 20, 2003
62
63
64
65
66
67
68
69
70
71
72
73
74
WMcursor* cursor;
int clen, i;
unsigned char bit, databit, maskbit;
/* Allocate and initialize the cursor memory */
if ((cursor = (WMcursor*)malloc(sizeof(WMcursor))) == NULL)
{
SDL_OutOfMemory();
return(NULL);
}
memset(cursor,0,sizeof(WMcursor));
cursor->ph_cursor = (PhCursorDef_t *) malloc(sizeof(PhCursorDef_t) + 32*4*2);
Aug 4, 2003
Aug 4, 2003
75
Jan 20, 2003
Jan 20, 2003
76
if (cursor->ph_cursor == NULL)
Aug 4, 2003
Aug 4, 2003
77
78
79
80
{
SDL_SetError("ph_CreateWMCursor(): cursor malloc failed !\n");
return NULL;
}
Jan 20, 2003
Jan 20, 2003
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
memset(cursor->ph_cursor,0,(sizeof(PhCursorDef_t) + 32*4*2));
cursor->ph_cursor->hdr.type =Ph_RDATA_CURSOR;
cursor->ph_cursor->size1.x = (short)w;
cursor->ph_cursor->size1.y = (short)h;
cursor->ph_cursor->offset1.x = (short)hot_x;
cursor->ph_cursor->offset1.y = (short)hot_y;
cursor->ph_cursor->bytesperline1 = (char)w/8;
cursor->ph_cursor->color1 = Pg_WHITE;
cursor->ph_cursor->size2.x = (short)w;
cursor->ph_cursor->size2.y = (short)h;
cursor->ph_cursor->offset2.x = (short)hot_x;
cursor->ph_cursor->offset2.y = (short)hot_y;
cursor->ph_cursor->bytesperline2 = (char)w/8;
cursor->ph_cursor->color2 = Pg_BLACK;
clen = (w/8)*h;
/* Copy the mask and the data to different bitmap planes */
for (i=0; i<clen; ++i)
{
for (bit = 0; bit < 8; bit++)
{
databit = data[i] & (1 << bit);
maskbit = mask[i] & (1 << bit);
Apr 26, 2001
Apr 26, 2001
107
Jan 20, 2003
Jan 20, 2003
108
109
110
111
112
113
114
115
116
117
118
119
cursor->ph_cursor->images[i] |= (databit == 0) ? maskbit : 0;
/* If the databit != 0, treat it as a black pixel and
* ignore the maskbit (can't do an inverted color) */
cursor->ph_cursor->images[i+clen] |= databit;
}
}
/* #bytes following the hdr struct */
cursor->ph_cursor->hdr.len =sizeof(PhCursorDef_t) + clen*2 - sizeof(PhRegionDataHdr_t);
return (cursor);
}
Apr 26, 2001
Apr 26, 2001
120
121
122
PhCursorDef_t ph_GetWMPhCursor(WMcursor *cursor)
{
Aug 30, 2003
Aug 30, 2003
123
return (*cursor->ph_cursor);
Apr 26, 2001
Apr 26, 2001
124
125
}
Aug 30, 2003
Aug 30, 2003
126
int ph_ShowWMCursor(_THIS, WMcursor* cursor)
Apr 26, 2001
Apr 26, 2001
127
{
Jan 20, 2003
Jan 20, 2003
128
129
130
131
132
133
134
135
136
137
138
139
PtArg_t args[3];
int nargs = 0;
/* Don't do anything if the display is gone */
if (window == NULL)
{
return (0);
}
/* looks like photon can't draw mouse cursor in direct mode */
if ((this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
{
Aug 30, 2003
Aug 30, 2003
140
141
142
143
144
145
146
147
148
/* disable the fake mouse in the fullscreen OpenGL mode */
if ((this->screen->flags & SDL_OPENGL) == SDL_OPENGL)
{
cursor=NULL;
}
else
{
return (0);
}
Jan 20, 2003
Jan 20, 2003
149
150
}
Aug 4, 2003
Aug 4, 2003
151
/* Set the photon cursor, or blank if cursor is NULL */
Jan 20, 2003
Jan 20, 2003
152
153
154
155
156
157
158
159
160
161
if (cursor!=NULL)
{
PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0);
/* Could set next to any PgColor_t value */
PtSetArg(&args[1], Pt_ARG_CURSOR_COLOR, Ph_CURSOR_DEFAULT_COLOR , 0);
PtSetArg(&args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor, (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t)));
nargs = 3;
}
else /* Ph_CURSOR_NONE */
{
Aug 4, 2003
Aug 4, 2003
162
PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0);
Jan 20, 2003
Jan 20, 2003
163
164
165
166
167
168
169
170
171
172
173
174
175
nargs = 1;
}
SDL_Lock_EventThread();
if (PtSetResources(window, nargs, args) < 0 )
{
return (0);
}
SDL_Unlock_EventThread();
return (1);
Apr 26, 2001
Apr 26, 2001
176
177
}
Aug 30, 2003
Aug 30, 2003
178
Apr 26, 2001
Apr 26, 2001
179
180
void ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
{
Mar 23, 2002
Mar 23, 2002
181
short abs_x, abs_y;
Feb 20, 2002
Feb 20, 2002
182
Mar 23, 2002
Mar 23, 2002
183
184
185
186
SDL_Lock_EventThread();
PtGetAbsPosition( window, &abs_x, &abs_y );
PhMoveCursorAbs( PhInputGroup(NULL), x + abs_x, y + abs_y );
SDL_Unlock_EventThread();
Apr 26, 2001
Apr 26, 2001
187
188
189
190
191
}
void ph_CheckMouseMode(_THIS)
{
Mar 23, 2002
Mar 23, 2002
192
193
194
195
196
197
198
199
200
/* If the mouse is hidden and input is grabbed, we use relative mode */
if ( !(SDL_cursorstate & CURSOR_VISIBLE) && (this->input_grab != SDL_GRAB_OFF))
{
mouse_relative = 1;
}
else
{
mouse_relative = 0;
}
Apr 26, 2001
Apr 26, 2001
201
}
Aug 30, 2003
Aug 30, 2003
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
void ph_UpdateMouse(_THIS)
{
PhCursorInfo_t phcursor;
short abs_x;
short abs_y;
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
/* synchronizing photon mouse cursor position and SDL mouse position, if cursor appears over window. */
PtGetAbsPosition(window, &abs_x, &abs_y);
PhQueryCursor(PhInputGroup(NULL), &phcursor);
if (((phcursor.pos.x >= abs_x) && (phcursor.pos.x <= abs_x + this->screen->w)) &&
((phcursor.pos.y >= abs_y) && (phcursor.pos.y <= abs_y + this->screen->h)))
{
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
SDL_PrivateMouseMotion(0, 0, phcursor.pos.x-abs_x, phcursor.pos.y-abs_y);
}
else
{
SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
}
/* Unlock the event thread, in multi-threading environments */
SDL_Unlock_EventThread();
}