SDL_amigamouse.c
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2006 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
11
12
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
13
Lesser General Public License for more details.
15
16
17
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
18
19
Sam Lantinga
20
slouken@libsdl.org
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
*/
#include "SDL_mouse.h"
#include "SDL_events_c.h"
#include "SDL_cursor_c.h"
#include "SDL_amigamouse_c.h"
/* The implementation dependent data for the window manager cursor */
typedef void * WMCursor;
void amiga_FreeWMCursor(_THIS, WMcursor *cursor)
{
}
WMcursor *amiga_CreateWMCursor(_THIS,
Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
{
return (WMcursor *)1; // Amiga has an Hardware cursor, so it's ok to return something unuseful but true
}
int amiga_ShowWMCursor(_THIS, WMcursor *cursor)
{
/* Don't do anything if the display is gone */
if ( SDL_Display == NULL) {
return(0);
}
/* Set the Amiga prefs cursor cursor, or blank if cursor is NULL */
if ( SDL_Window ) {
SDL_Lock_EventThread();
if ( cursor == NULL ) {
if ( SDL_BlankCursor != NULL ) {
// Hide cursor HERE
SetPointer(SDL_Window,(UWORD *)SDL_BlankCursor,1,1,0,0);
}
} else {
// Show cursor
ClearPointer(SDL_Window);
}
SDL_Unlock_EventThread();
}
return(1);
}
void amiga_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
{
/* FIXME: Not implemented */
}
/* Check to see if we need to enter or leave mouse relative mode */
void amiga_CheckMouseMode(_THIS)
{
/* If the mouse is hidden and input is grabbed, we use relative mode */
#if 0
SDL_Lock_EventThread();
if ( !(SDL_cursorstate & CURSOR_VISIBLE) &&
(this->input_grab != SDL_GRAB_OFF) ) {
mouse_relative = 1;
X11_EnableDGAMouse(this);
if ( ! (using_dga & DGA_MOUSE) ) {
char *use_mouse_accel;
SDL_GetMouseState(&mouse_last.x, &mouse_last.y);
/* Use as raw mouse mickeys as possible */
XGetPointerControl(SDL_Display,
&mouse_accel.numerator,
&mouse_accel.denominator,
&mouse_accel.threshold);
92
use_mouse_accel = SDL_getenv("SDL_VIDEO_X11_MOUSEACCEL");
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
if ( use_mouse_accel ) {
SetMouseAccel(this, use_mouse_accel);
}
}
} else {
if ( mouse_relative ) {
if ( using_dga & DGA_MOUSE ) {
X11_DisableDGAMouse(this);
} else {
XChangePointerControl(SDL_Display, True, True,
mouse_accel.numerator,
mouse_accel.denominator,
mouse_accel.threshold);
}
mouse_relative = 0;
}
}
SDL_Unlock_EventThread();
#endif
}