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SDL_amigamouse.c
113 lines (97 loc) · 2.99 KB
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SDL_amigamouse.c
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/*
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_error.h"
#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);
use_mouse_accel = getenv("SDL_VIDEO_X11_MOUSEACCEL");
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
}