464 lines
13 KiB
C++
464 lines
13 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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 Wiz: Device Specific Event Handling.
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*
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*/
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#include "backends/platform/gp2xwiz/gp2xwiz-sdl.h"
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#include "backends/platform/gp2xwiz/gp2xwiz-hw.h"
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#include "backends/keymapper/keymapper.h"
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#include "common/util.h"
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#include "common/events.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 using the keymapper.
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#define JOY_DEADZONE 2200
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#define JOY_XAXIS 0
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#define JOY_YAXIS 1
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static int mapKey(SDLKey key, SDLMod mod, Uint16 unicode) {
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if (key >= SDLK_F1 && key <= SDLK_F9) {
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return key - SDLK_F1 + Common::ASCII_F1;
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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_GP2XWIZ::fillMouseEvent(Common::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 /= _videoMode.scaleFactor;
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event.mouse.y /= _videoMode.scaleFactor;
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if (_videoMode.aspectRatioCorrection)
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event.mouse.y = aspect2Real(event.mouse.y);
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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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if (mod & KMOD_SHIFT)
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b |= Common::KBD_SHIFT;
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if (mod & KMOD_ALT)
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b |= Common::KBD_ALT;
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if (mod & KMOD_CTRL)
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b |= Common::KBD_CTRL;
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return b;
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}
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void OSystem_GP2XWIZ::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 modifiers. */
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int GP2X_BUTTON_STATE_L = false;
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/* Override the SDL pollEvent with the Wiz's own event code. */
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bool OSystem_GP2XWIZ::pollEvent(Common::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 Common::EVENT_SCREEN_CHANGED
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if (_modeChanged) {
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_modeChanged = false;
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event.type = Common::EVENT_SCREEN_CHANGED;
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return true;
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}
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// GP2X Wiz 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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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_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_MENU 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 Common::EVENT_QUIT (Calls Sync() to make sure SD is flushed)
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GP2X_BUTTON_L & GP2X_BUTTON_MENU Common::EVENT_MAINMENU (ScummVM Global Main Menu)
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GP2X_BUTTON_L & GP2X_BUTTON_A Common::EVENT_PREDICTIVE_DIALOG for predictive text entry box (AGI games)
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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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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 = Common::EVENT_KEYDOWN;
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event.kbd.keycode = (Common::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 = Common::EVENT_KEYUP;
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event.kbd.keycode = (Common::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 & (Common::KBD_CTRL|Common::KBD_ALT)) == (Common::KBD_CTRL|Common::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 = Common::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 = Common::EVENT_LBUTTONDOWN;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = Common::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 = Common::EVENT_WHEELUP;
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else if (ev.button.button == SDL_BUTTON_WHEELDOWN)
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event.type = Common::EVENT_WHEELDOWN;
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#endif
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#if defined(SDL_BUTTON_MIDDLE)
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else if (ev.button.button == SDL_BUTTON_MIDDLE)
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event.type = Common::EVENT_MBUTTONDOWN;
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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 = Common::EVENT_LBUTTONUP;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = Common::EVENT_RBUTTONUP;
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#if defined(SDL_BUTTON_MIDDLE)
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else if (ev.button.button == SDL_BUTTON_MIDDLE)
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event.type = Common::EVENT_MBUTTONUP;
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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_JOYBUTTONDOWN:
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_stickBtn[ev.jbutton.button] = 1;
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if (ev.jbutton.button == GP2X_BUTTON_B) {
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event.type = Common::EVENT_LBUTTONDOWN;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (ev.jbutton.button == GP2X_BUTTON_X) {
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event.type = Common::EVENT_RBUTTONDOWN;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (_stickBtn[GP2X_BUTTON_L] && (ev.jbutton.button == GP2X_BUTTON_SELECT)) {
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event.type = Common::EVENT_QUIT;
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} else if (ev.jbutton.button < 8) {
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moveStick();
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event.type = Common::EVENT_MOUSEMOVE;
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fillMouseEvent(event, _km.x, _km.y);
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} else {
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event.type = Common::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 = Common::KEYCODE_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 = Common::KEYCODE_RETURN;
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event.kbd.ascii = mapKey(SDLK_RETURN, 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 = Common::EVENT_QUIT;
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} else {
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event.kbd.keycode = Common::KEYCODE_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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if (GP2X_BUTTON_STATE_L == true) {
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event.type = Common::EVENT_PREDICTIVE_DIALOG;
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} else {
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event.kbd.keycode = Common::KEYCODE_PERIOD;
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event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
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}
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break;
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case GP2X_BUTTON_Y:
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event.kbd.keycode = Common::KEYCODE_SPACE;
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event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
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break;
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case GP2X_BUTTON_MENU:
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if (GP2X_BUTTON_STATE_L == true) {
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event.type = Common::EVENT_MAINMENU;
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} else {
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event.kbd.keycode = Common::KEYCODE_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_VOLUP:
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WIZ_HW::mixerMoveVolume(2);
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if (WIZ_HW::volumeLevel == 100) {
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displayMessageOnOSD("Maximum Volume");
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} else {
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displayMessageOnOSD("Increasing Volume");
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}
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break;
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case GP2X_BUTTON_VOLDOWN:
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WIZ_HW::mixerMoveVolume(1);
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if (WIZ_HW::volumeLevel == 0) {
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displayMessageOnOSD("Minimal Volume");
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} else {
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displayMessageOnOSD("Decreasing Volume");
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}
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break;
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}
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}
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return true;
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case SDL_JOYBUTTONUP:
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_stickBtn[ev.jbutton.button] = 0;
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if (ev.jbutton.button == GP2X_BUTTON_B) {
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event.type = Common::EVENT_LBUTTONUP;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (ev.jbutton.button == GP2X_BUTTON_X) {
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event.type = Common::EVENT_RBUTTONUP;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (ev.jbutton.button < 8) {
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moveStick();
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event.type = Common::EVENT_MOUSEMOVE;
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fillMouseEvent(event, _km.x, _km.y);
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} else {
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event.type = Common::EVENT_KEYUP;
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event.kbd.flags = 0;
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switch (ev.jbutton.button) {
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case GP2X_BUTTON_SELECT:
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event.kbd.keycode = Common::KEYCODE_ESCAPE;
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event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
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break;
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case GP2X_BUTTON_A:
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event.kbd.keycode = Common::KEYCODE_PERIOD;
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event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
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break;
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case GP2X_BUTTON_Y:
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event.kbd.keycode = Common::KEYCODE_SPACE;
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event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
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break;
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case GP2X_BUTTON_MENU:
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if (GP2X_BUTTON_STATE_L == true) {
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event.type = Common::EVENT_MAINMENU;
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} else {
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event.kbd.keycode = Common::KEYCODE_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_L:
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GP2X_BUTTON_STATE_L = false;
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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 = Common::KEYCODE_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 = Common::KEYCODE_RETURN;
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event.kbd.ascii = mapKey(SDLK_RETURN, ev.key.keysym.mod, 0);
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}
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break;
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case GP2X_BUTTON_VOLUP:
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break;
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case GP2X_BUTTON_VOLDOWN:
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break;
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}
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}
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return true;
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case SDL_JOYAXISMOTION:
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axis = ev.jaxis.value;
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if ( axis > JOY_DEADZONE) {
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axis -= JOY_DEADZONE;
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event.type = Common::EVENT_MOUSEMOVE;
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} else if ( axis < -JOY_DEADZONE ) {
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axis += JOY_DEADZONE;
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event.type = Common::EVENT_MOUSEMOVE;
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} else
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axis = 0;
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if ( ev.jaxis.axis == JOY_XAXIS) {
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if (axis != 0) {
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_km.x_vel = (axis > 0) ? 1:-1;
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_km.x_down_count = 1;
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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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} else if (ev.jaxis.axis == JOY_YAXIS) {
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#ifndef JOY_INVERT_Y
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axis = -axis;
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#endif
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#ifdef JOY_ANALOG
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_km.y_vel = -axis / 2000;
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_km.y_down_count = 0;
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#else
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if (axis != 0) {
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_km.y_vel = (-axis > 0) ? 1: -1;
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_km.y_down_count = 1;
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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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#endif
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}
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fillMouseEvent(event, _km.x, _km.y);
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return true;
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case SDL_VIDEOEXPOSE:
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_forceFull = true;
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break;
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case SDL_QUIT:
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event.type = Common::EVENT_QUIT;
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return true;
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}
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}
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return false;
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}
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bool OSystem_GP2XWIZ::remapKey(SDL_Event &ev,Common::Event &event) {
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return false;
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}
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