657 lines
17 KiB
C++
657 lines
17 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2006 The ScummVM project
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* Copyright (C) 2005-2006 John Willis (Portions of the GP2X Backend)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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/*
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* GP2X: Event Handling.
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*
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*/
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#include "backends/platform/gp2x/gp2x-common.h"
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#include "backends/platform/gp2x/gp2x-hw.h"
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#include "common/util.h"
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// FIXME move joystick defines out and replace with confile file options
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// we should really allow users to map any key to a joystick button
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#define JOY_DEADZONE 2200
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// #define JOY_INVERT_Y
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#define JOY_XAXIS 0
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#define JOY_YAXIS 1
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// GP2X Stick Buttons (Note: The Stick is read as a set of buttons not a HAT type of setup).
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#define JOY_BUT_LMOUSE 0x0D
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#define JOY_BUT_RMOUSE 0x0E
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#define JOY_BUT_RETURN 0x08
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#define JOY_BUT_ESCAPE 0x09
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#define JOY_BUT_F5 0x0B
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#define JOY_BUT_SPACE 0x0F
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#define JOY_BUT_TALKUP 0x10
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#define JOY_BUT_TALKDN 0x11
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#define JOY_BUT_ZERO 0x12
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#define JOY_BUT_COMB 0x0A
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#define JOY_BUT_EXIT 0x12
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#define JOY_BUT_PERIOD 0x0C
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//TODO: Quick hack 101 ;-) Clean this up,
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#define TRUE 1
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#define FALSE 0
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static int mapKey(SDLKey key, SDLMod mod, Uint16 unicode)
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{
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if (key >= SDLK_F1 && key <= SDLK_F9) {
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return key - SDLK_F1 + 315;
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} else if (key >= SDLK_KP0 && key <= SDLK_KP9) {
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return key - SDLK_KP0 + '0';
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} else if (key >= SDLK_UP && key <= SDLK_PAGEDOWN) {
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return key;
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} else if (unicode) {
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return unicode;
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} else if (key >= 'a' && key <= 'z' && mod & KMOD_SHIFT) {
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return key & ~0x20;
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} else if (key >= SDLK_NUMLOCK && key <= SDLK_EURO) {
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return 0;
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}
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return key;
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}
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void OSystem_GP2X::fillMouseEvent(Event &event, int x, int y) {
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event.mouse.x = x;
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event.mouse.y = y;
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// Update the "keyboard mouse" coords
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_km.x = x;
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_km.y = y;
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// Adjust for the screen scaling
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if (!_overlayVisible) {
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event.mouse.x /= _scaleFactor;
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event.mouse.y /= _scaleFactor;
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if (_adjustAspectRatio)
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event.mouse.y = aspect2Real(event.mouse.y);
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}
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}
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void OSystem_GP2X::handleKbdMouse() {
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uint32 curTime = getMillis();
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if (curTime >= _km.last_time + _km.delay_time) {
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_km.last_time = curTime;
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if (_km.x_down_count == 1) {
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_km.x_down_time = curTime;
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_km.x_down_count = 2;
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}
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if (_km.y_down_count == 1) {
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_km.y_down_time = curTime;
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_km.y_down_count = 2;
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}
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if (_km.x_vel || _km.y_vel) {
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if (_km.x_down_count) {
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if (curTime > _km.x_down_time + _km.delay_time * 12) {
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if (_km.x_vel > 0)
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_km.x_vel++;
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else
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_km.x_vel--;
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} else if (curTime > _km.x_down_time + _km.delay_time * 8) {
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if (_km.x_vel > 0)
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_km.x_vel = 5;
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else
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_km.x_vel = -5;
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}
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}
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if (_km.y_down_count) {
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if (curTime > _km.y_down_time + _km.delay_time * 12) {
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if (_km.y_vel > 0)
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_km.y_vel++;
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else
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_km.y_vel--;
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} else if (curTime > _km.y_down_time + _km.delay_time * 8) {
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if (_km.y_vel > 0)
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_km.y_vel = 5;
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else
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_km.y_vel = -5;
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}
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}
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_km.x += _km.x_vel;
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_km.y += _km.y_vel;
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if (_km.x < 0) {
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_km.x = 0;
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_km.x_vel = -1;
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_km.x_down_count = 1;
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} else if (_km.x > _km.x_max) {
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_km.x = _km.x_max;
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_km.x_vel = 1;
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_km.x_down_count = 1;
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}
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if (_km.y < 0) {
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_km.y = 0;
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_km.y_vel = -1;
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_km.y_down_count = 1;
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} else if (_km.y > _km.y_max) {
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_km.y = _km.y_max;
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_km.y_vel = 1;
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_km.y_down_count = 1;
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}
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SDL_WarpMouse(_km.x, _km.y);
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}
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}
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}
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static byte SDLModToOSystemKeyFlags(SDLMod mod) {
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byte b = 0;
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#ifdef LINUPY
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// Yopy has no ALT key, steal the SHIFT key
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// (which isn't used much anyway)
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if (mod & KMOD_SHIFT)
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b |= OSystem::KBD_ALT;
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#else
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if (mod & KMOD_SHIFT)
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b |= OSystem::KBD_SHIFT;
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if (mod & KMOD_ALT)
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b |= OSystem::KBD_ALT;
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#endif
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if (mod & KMOD_CTRL)
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b |= OSystem::KBD_CTRL;
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return b;
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}
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void OSystem_GP2X::moveStick() {
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bool stickBtn[32];
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memcpy(stickBtn, _stickBtn, sizeof(stickBtn));
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if((stickBtn[0])||(stickBtn[2])||(stickBtn[4])||(stickBtn[6]))
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stickBtn[1] = stickBtn[3] = stickBtn[5] = stickBtn[7] = 0;
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if((stickBtn[1])||(stickBtn[2])||(stickBtn[3])){
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if(_km.x_down_count!=2){
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_km.x_vel = -1;
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_km.x_down_count = 1;
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}else
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_km.x_vel = -4;
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} else if((stickBtn[5])||(stickBtn[6])||(stickBtn[7])){
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if(_km.x_down_count!=2){
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_km.x_vel = 1;
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_km.x_down_count = 1;
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}else
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_km.x_vel = 4;
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}
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else{
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_km.x_vel = 0;
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_km.x_down_count = 0;
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}
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if((stickBtn[0])||(stickBtn[1])||(stickBtn[7])){
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if(_km.y_down_count!=2){
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_km.y_vel = -1;
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_km.y_down_count = 1;
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}else
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_km.y_vel = -4;
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} else if((stickBtn[3])||(stickBtn[4])||(stickBtn[5])){
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if(_km.y_down_count!=2){
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_km.y_vel = 1;
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_km.y_down_count = 1;
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}else
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_km.y_vel = 4;
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}
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else{
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_km.y_vel = 0;
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_km.y_down_count = 0;
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}
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}
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//Quick default button states for modifier.
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//int GP2X_BUTTON_STATE_UP = FALSE;
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//int GP2X_BUTTON_STATE_DOWN = FALSE;
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//int GP2X_BUTTON_STATE_LEFT = FALSE;
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//int GP2X_BUTTON_STATE_RIGHT = FALSE;
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//int GP2X_BUTTON_STATE_UPLEFT = FALSE;
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//int GP2X_BUTTON_STATE_UPRIGHT = FALSE;
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//int GP2X_BUTTON_STATE_DOWNLEFT = FALSE;
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//int GP2X_BUTTON_STATE_DOWNRIGHT = FALSE;
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//int GP2X_BUTTON_STATE_CLICK = FALSE;
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//int GP2X_BUTTON_STATE_A = FALSE;
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//int GP2X_BUTTON_STATE_B = FALSE;
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//int GP2X_BUTTON_STATE_Y = FALSE;
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//int GP2X_BUTTON_STATE_X = FALSE;
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int GP2X_BUTTON_STATE_L = FALSE;
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//int GP2X_BUTTON_STATE_R = FALSE;
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//int GP2X_BUTTON_STATE_START = FALSE;
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//int GP2X_BUTTON_STATE_SELECT = FALSE;
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//int GP2X_BUTTON_STATE_VOLUP = FALSE;
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//int GP2X_BUTTON_STATE_VOLDOWN = FALSE;
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bool OSystem_GP2X::pollEvent(Event &event) {
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SDL_Event ev;
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int axis;
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byte b = 0;
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handleKbdMouse();
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// If the screen mode changed, send an EVENT_SCREEN_CHANGED
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if (_modeChanged) {
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_modeChanged = false;
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event.type = EVENT_SCREEN_CHANGED;
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_screenChangeCount++;
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return true;
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}
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// GP2X Input mappings.
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/*
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Single Button
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Movement:
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GP2X_BUTTON_UP Cursor Up
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GP2X_BUTTON_DOWN Cursor Down
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GP2X_BUTTON_LEFT Cursor Left
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GP2X_BUTTON_RIGHT Cursor Right
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TODO: Add extra directions to cursor mappings.
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GP2X_BUTTON_UPLEFT Cursor Up Left
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GP2X_BUTTON_UPRIGHT Cursor Up Right
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GP2X_BUTTON_DOWNLEFT Cursor Down Left
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GP2X_BUTTON_DOWNRIGHT Cursor Down Right
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Button Emulation:
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GP2X_BUTTON_CLICK Left Mouse Click
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GP2X_BUTTON_A . (Period)
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GP2X_BUTTON_B Left Mouse Click
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GP2X_BUTTON_Y Space Bar
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GP2X_BUTTON_X Right Mouse Click
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GP2X_BUTTON_L Combo Modifier (Left Trigger)
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GP2X_BUTTON_R F5 (Right Trigger)
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GP2X_BUTTON_START Return
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GP2X_BUTTON_SELECT Escape
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GP2X_BUTTON_VOLUP /dev/mixer Global Volume Up
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GP2X_BUTTON_VOLDOWN /dev/mixer Global Volume Down
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Combos:
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GP2X_BUTTON_VOLUP & GP2X_BUTTON_VOLDOWN 0 (For Monkey 2 CP)
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GP2X_BUTTON_L & GP2X_BUTTON_SELECT EVENT_QUIT (Calls Sync() to make sure SD is flushed)
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GP2X_BUTTON_L & GP2X_BUTTON_Y Toggles setZoomOnMouse() for larger then 320*240 games to scale to the point + raduis.
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*/
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while(SDL_PollEvent(&ev)) {
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switch(ev.type) {
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case SDL_KEYDOWN:{
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b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
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// Alt-Return and Alt-Enter toggle full screen mode
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if (b == KBD_ALT && (ev.key.keysym.sym == SDLK_RETURN
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|| ev.key.keysym.sym == SDLK_KP_ENTER)) {
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setFullscreenMode(!_fullscreen);
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break;
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}
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// Alt-S: Create a screenshot
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if (b == KBD_ALT && ev.key.keysym.sym == 's') {
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char filename[20];
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for (int n = 0;; n++) {
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SDL_RWops *file;
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sprintf(filename, "scummvm%05d.bmp", n);
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file = SDL_RWFromFile(filename, "r");
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if (!file)
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break;
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SDL_RWclose(file);
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}
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if (saveScreenshot(filename))
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printf("Saved '%s'\n", filename);
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else
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printf("Could not save screenshot!\n");
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break;
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}
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// Ctrl-m toggles mouse capture
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//if (b == KBD_CTRL && ev.key.keysym.sym == 'm') {
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// toggleMouseGrab();
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// break;
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//}
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//#ifdef MACOSX
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// // On Macintosh', Cmd-Q quits
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// if ((ev.key.keysym.mod & KMOD_META) && ev.key.keysym.sym == 'q') {
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// event.type = EVENT_QUIT;
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// return true;
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// }
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//#elif defined(UNIX)
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// // On other unices, Control-Q quits
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// if ((ev.key.keysym.mod & KMOD_CTRL) && ev.key.keysym.sym == 'q') {
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// event.type = EVENT_QUIT;
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// return true;
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// }
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//#else
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// // Ctrl-z and Alt-X quit
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// if ((b == KBD_CTRL && ev.key.keysym.sym == 'z') || (b == KBD_ALT && ev.key.keysym.sym == 'x')) {
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// event.type = EVENT_QUIT;
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// return true;
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// }
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//#endif
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//
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// // Ctrl-Alt-<key> will change the GFX mode
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// if ((b & (KBD_CTRL|KBD_ALT)) == (KBD_CTRL|KBD_ALT)) {
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//
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// handleScalerHotkeys(ev.key);
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// break;
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// }
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const bool event_complete = remapKey(ev,event);
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if (event_complete)
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return true;
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event.type = EVENT_KEYDOWN;
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event.kbd.keycode = ev.key.keysym.sym;
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event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
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return true;
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}
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case SDL_KEYUP:
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{
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const bool event_complete = remapKey(ev,event);
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if (event_complete)
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return true;
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event.type = EVENT_KEYUP;
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event.kbd.keycode = ev.key.keysym.sym;
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event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
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b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
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// Ctrl-Alt-<key> will change the GFX mode
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if ((b & (KBD_CTRL|KBD_ALT)) == (KBD_CTRL|KBD_ALT)) {
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// Swallow these key up events
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break;
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}
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return true;
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}
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case SDL_MOUSEMOTION:
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event.type = EVENT_MOUSEMOVE;
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fillMouseEvent(event, ev.motion.x, ev.motion.y);
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setMousePos(event.mouse.x, event.mouse.y);
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return true;
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case SDL_MOUSEBUTTONDOWN:
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if (ev.button.button == SDL_BUTTON_LEFT)
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event.type = EVENT_LBUTTONDOWN;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = EVENT_RBUTTONDOWN;
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#if defined(SDL_BUTTON_WHEELUP) && defined(SDL_BUTTON_WHEELDOWN)
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else if (ev.button.button == SDL_BUTTON_WHEELUP)
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event.type = EVENT_WHEELUP;
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else if (ev.button.button == SDL_BUTTON_WHEELDOWN)
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event.type = EVENT_WHEELDOWN;
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#endif
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else
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break;
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fillMouseEvent(event, ev.button.x, ev.button.y);
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return true;
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case SDL_MOUSEBUTTONUP:
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if (ev.button.button == SDL_BUTTON_LEFT)
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event.type = EVENT_LBUTTONUP;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = EVENT_RBUTTONUP;
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else
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break;
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fillMouseEvent(event, ev.button.x, ev.button.y);
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return true;
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// GP2X Button mapings. Main code
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case SDL_JOYBUTTONDOWN:
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_stickBtn[ev.jbutton.button] = 1;
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if (ev.jbutton.button == JOY_BUT_LMOUSE) {
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event.type = EVENT_LBUTTONDOWN;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (ev.jbutton.button == GP2X_BUTTON_CLICK) {
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event.type = EVENT_LBUTTONDOWN;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
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event.type = EVENT_RBUTTONDOWN;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (_stickBtn[JOY_BUT_COMB] && (ev.jbutton.button == JOY_BUT_EXIT)) {
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event.type = EVENT_QUIT;
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} else if (ev.jbutton.button < 8) {
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moveStick();
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event.type = EVENT_MOUSEMOVE;
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fillMouseEvent(event, _km.x, _km.y);
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} else {
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event.type = EVENT_KEYDOWN;
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event.kbd.flags = 0;
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switch (ev.jbutton.button) {
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case GP2X_BUTTON_L:
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GP2X_BUTTON_STATE_L = TRUE;
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break;
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case GP2X_BUTTON_R:
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if (GP2X_BUTTON_STATE_L == TRUE) {
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event.kbd.keycode = SDLK_0;
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event.kbd.ascii = mapKey(SDLK_0, ev.key.keysym.mod, 0);
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} else {
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event.kbd.keycode = SDLK_F5;
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event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
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}
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break;
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case GP2X_BUTTON_SELECT:
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if (GP2X_BUTTON_STATE_L == TRUE) {
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event.type = EVENT_QUIT;
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} else {
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event.kbd.keycode = SDLK_ESCAPE;
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event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
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}
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break;
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case GP2X_BUTTON_A:
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event.kbd.keycode = SDLK_PERIOD;
|
|
event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
|
|
break;
|
|
case GP2X_BUTTON_Y:
|
|
if (GP2X_BUTTON_STATE_L == TRUE) {
|
|
setZoomOnMouse();
|
|
} else {
|
|
event.kbd.keycode = SDLK_SPACE;
|
|
event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
|
|
}
|
|
break;
|
|
case JOY_BUT_RETURN:
|
|
event.kbd.keycode = SDLK_RETURN;
|
|
event.kbd.ascii = mapKey(SDLK_RETURN, ev.key.keysym.mod, 0);
|
|
break;
|
|
case JOY_BUT_ZERO:
|
|
event.kbd.keycode = SDLK_0;
|
|
event.kbd.ascii = mapKey(SDLK_0, ev.key.keysym.mod, 0);
|
|
break;
|
|
|
|
//case GP2X_BUTTON_R:
|
|
// if ((ev.jbutton.button == GP2X_BUTTON_L) && (ev.jbutton.button == GP2X_BUTTON_R)) {
|
|
// displayMessageOnOSD("Exiting ScummVM");
|
|
// //Sync();
|
|
// event.type = EVENT_QUIT;
|
|
// break;
|
|
// } else if ((ev.jbutton.button == GP2X_BUTTON_L) && (ev.jbutton.button != GP2X_BUTTON_R)) {
|
|
// displayMessageOnOSD("Left Trigger Pressed");
|
|
// break;
|
|
// } else if ((ev.jbutton.button == GP2X_BUTTON_R) && (ev.jbutton.button != GP2X_BUTTON_L)) {
|
|
// event.kbd.keycode = SDLK_F5;
|
|
// event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
|
|
// break;
|
|
// } else {
|
|
// break;
|
|
// }
|
|
// break;
|
|
case GP2X_BUTTON_VOLUP:
|
|
if (GP2X_BUTTON_STATE_L == TRUE) {
|
|
displayMessageOnOSD("Setting CPU Speed at 230MHz");
|
|
GP2X_setCpuspeed(200);
|
|
//event.kbd.keycode = SDLK_PLUS;
|
|
//event.kbd.ascii = mapKey(SDLK_PLUS, ev.key.keysym.mod, 0);
|
|
} else {
|
|
GP2X_mixer_move_volume(1);
|
|
displayMessageOnOSD("Increasing Volume");
|
|
}
|
|
break;
|
|
case GP2X_BUTTON_VOLDOWN:
|
|
if (GP2X_BUTTON_STATE_L == TRUE) {
|
|
displayMessageOnOSD("Setting CPU Speed at 60MHz");
|
|
GP2X_setCpuspeed(60);
|
|
//event.kbd.keycode = SDLK_MINUS;
|
|
//event.kbd.ascii = mapKey(SDLK_MINUS, ev.key.keysym.mod, 0);
|
|
} else {
|
|
GP2X_mixer_move_volume(0);
|
|
displayMessageOnOSD("Decreasing Volume");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
|
|
case SDL_JOYBUTTONUP:
|
|
_stickBtn[ev.jbutton.button] = 0;
|
|
if (ev.jbutton.button == JOY_BUT_LMOUSE) {
|
|
event.type = EVENT_LBUTTONUP;
|
|
fillMouseEvent(event, _km.x, _km.y);
|
|
} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
|
|
event.type = EVENT_RBUTTONUP;
|
|
fillMouseEvent(event, _km.x, _km.y);
|
|
} else if (ev.jbutton.button < 8) {
|
|
moveStick();
|
|
event.type = EVENT_MOUSEMOVE;
|
|
fillMouseEvent(event, _km.x, _km.y);
|
|
} else {
|
|
event.type = EVENT_KEYUP;
|
|
event.kbd.flags = 0;
|
|
switch (ev.jbutton.button) {
|
|
case GP2X_BUTTON_SELECT:
|
|
event.kbd.keycode = SDLK_ESCAPE;
|
|
event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
|
|
break;
|
|
case GP2X_BUTTON_A:
|
|
event.kbd.keycode = SDLK_PERIOD;
|
|
event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
|
|
break;
|
|
case GP2X_BUTTON_Y:
|
|
// event.kbd.keycode = SDLK_SPACE;
|
|
// event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
|
|
break;
|
|
case GP2X_BUTTON_START:
|
|
event.kbd.keycode = SDLK_RETURN;
|
|
event.kbd.ascii = mapKey(SDLK_RETURN, ev.key.keysym.mod, 0);
|
|
break;
|
|
case GP2X_BUTTON_L:
|
|
GP2X_BUTTON_STATE_L = FALSE;
|
|
break;
|
|
case GP2X_BUTTON_R:
|
|
event.kbd.keycode = SDLK_F5;
|
|
event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
|
|
break;
|
|
case GP2X_BUTTON_VOLUP:
|
|
break;
|
|
case GP2X_BUTTON_VOLDOWN:
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
|
|
case SDL_JOYAXISMOTION:
|
|
axis = ev.jaxis.value;
|
|
if ( axis > JOY_DEADZONE) {
|
|
axis -= JOY_DEADZONE;
|
|
event.type = EVENT_MOUSEMOVE;
|
|
} else if ( axis < -JOY_DEADZONE ) {
|
|
axis += JOY_DEADZONE;
|
|
event.type = EVENT_MOUSEMOVE;
|
|
} else
|
|
axis = 0;
|
|
|
|
if ( ev.jaxis.axis == JOY_XAXIS) {
|
|
#ifdef JOY_ANALOG
|
|
_km.x_vel = axis/2000;
|
|
_km.x_down_count = 0;
|
|
#else
|
|
if (axis != 0) {
|
|
_km.x_vel = (axis > 0) ? 1:-1;
|
|
_km.x_down_count = 1;
|
|
} else {
|
|
_km.x_vel = 0;
|
|
_km.x_down_count = 0;
|
|
}
|
|
#endif
|
|
|
|
} else if (ev.jaxis.axis == JOY_YAXIS) {
|
|
#ifndef JOY_INVERT_Y
|
|
axis = -axis;
|
|
#endif
|
|
#ifdef JOY_ANALOG
|
|
_km.y_vel = -axis / 2000;
|
|
_km.y_down_count = 0;
|
|
#else
|
|
if (axis != 0) {
|
|
_km.y_vel = (-axis > 0) ? 1: -1;
|
|
_km.y_down_count = 1;
|
|
} else {
|
|
_km.y_vel = 0;
|
|
_km.y_down_count = 0;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
fillMouseEvent(event, _km.x, _km.y);
|
|
|
|
return true;
|
|
|
|
case SDL_VIDEOEXPOSE:
|
|
_forceFull = true;
|
|
break;
|
|
|
|
case SDL_QUIT:
|
|
event.type = EVENT_QUIT;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool OSystem_GP2X::remapKey(SDL_Event &ev,Event &event) {
|
|
return false;
|
|
}
|
|
|