SDL_amigamouse.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:3k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- 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
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_amigamouse.c,v 1.4 2002/04/22 21:38:04 wmay Exp $";
- #endif
- #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
- }