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
|
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include <sys/ioctl.h>
#include "SDL_mouse.h"
#include "../../events/SDL_events_c.h"
#include "../SDL_cursor_c.h"
#include "SDL_gsvideo.h"
#include "SDL_gsmouse_c.h"
/* The implementation dependent data for the window manager cursor */
struct WMcursor {
int unused;
};
/* There isn't any implementation dependent data */
void GS_FreeWMCursor(_THIS, WMcursor *cursor)
{
return;
}
/* There isn't any implementation dependent data */
WMcursor *GS_CreateWMCursor(_THIS,
Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
{
return((WMcursor *)0x01);
}
static void GS_MoveCursor(_THIS, SDL_Cursor *cursor, int x, int y)
{
SDL_Surface *screen;
struct ps2_image image;
SDL_Rect area;
int mouse_y1, mouse_y2;
void *saved_pixels;
int screen_updated;
/* Lock so we don't interrupt an update with mouse motion */
SDL_LockCursor();
/* Make sure any pending DMA has completed */
if ( dma_pending ) {
ioctl(console_fd, PS2IOC_SENDQCT, 1);
dma_pending = 0;
}
/* Remove the cursor image from the DMA area */
screen = this->screen;
saved_pixels = screen->pixels;
screen->pixels = mapped_mem + screen->offset;
screen_updated = 0;
if ( cursor_drawn ) {
SDL_EraseCursorNoLock(screen);
cursor_drawn = 0;
screen_updated = 1;
}
/* Save the current mouse area */
SDL_MouseRect(&area);
mouse_y1 = area.y;
mouse_y2 = area.y+area.h;
/* Only draw the new cursor if there was one passed in */
if ( cursor ) {
/* Set the new location */
cursor->area.x = (x - cursor->hot_x);
cursor->area.y = (y - cursor->hot_y);
/* Draw the cursor at the new location */
if ( (SDL_cursorstate & CURSOR_VISIBLE) && screen->pixels ) {
SDL_DrawCursorNoLock(screen);
cursor_drawn = 1;
screen_updated = 1;
}
}
screen->pixels = saved_pixels;
/* Update the affected area of the screen */
if ( screen_updated ) {
SDL_MouseRect(&area);
if ( area.y < mouse_y1 ) {
mouse_y1 = area.y;
}
if ( (area.y+area.h) > mouse_y2 ) {
mouse_y2 = area.y+area.h;
}
image = screen_image;
image.y += screen->offset / screen->pitch + mouse_y1;
image.h = mouse_y2 - mouse_y1;
image.ptr = mapped_mem +
(image.y - screen_image.y) * screen->pitch;
ioctl(console_fd, PS2IOC_LOADIMAGE, &image);
/* Need to scale offscreen image to TV output */
if ( image.y > 0 ) {
scaleimage_nonblock(console_fd,
tex_tags_mem, scale_tags_mem);
}
}
/* We're finished */
SDL_UnlockCursor();
}
void GS_MoveWMCursor(_THIS, int x, int y)
{
GS_MoveCursor(this, SDL_cursor, x, y);
}
int GS_ShowWMCursor(_THIS, WMcursor *wmcursor)
{
SDL_Cursor *cursor;
int x, y;
/* Draw the cursor at the appropriate location */
SDL_GetMouseState(&x, &y);
if ( wmcursor ) {
cursor = SDL_cursor;
} else {
cursor = NULL;
}
GS_MoveCursor(this, cursor, x, y);
return(1);
}
|
