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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* GP2X Wiz: Device Specific Event Handling.
*
*/
#include "backends/platform/gp2xwiz/gp2xwiz-sdl.h"
#include "backends/platform/gp2xwiz/gp2xwiz-hw.h"
#include "common/util.h"
#include "common/events.h"
// FIXME move joystick defines out and replace with confile file options
// we should really allow users to map any key to a joystick button using the keymapper.
#define JOY_DEADZONE 2200
#define JOY_XAXIS 0
#define JOY_YAXIS 1
/* GP2X Wiz: Main Joystick Mappings */
enum {
GP2X_BUTTON_UP = 0,
GP2X_BUTTON_UPLEFT = 1,
GP2X_BUTTON_LEFT = 2,
GP2X_BUTTON_DOWNLEFT = 3,
GP2X_BUTTON_DOWN = 4,
GP2X_BUTTON_DOWNRIGHT = 5,
GP2X_BUTTON_RIGHT = 6,
GP2X_BUTTON_UPRIGHT = 7,
GP2X_BUTTON_MENU = 8,
GP2X_BUTTON_SELECT = 9,
GP2X_BUTTON_L = 10,
GP2X_BUTTON_R = 11,
GP2X_BUTTON_A = 12,
GP2X_BUTTON_B = 13,
GP2X_BUTTON_X = 14,
GP2X_BUTTON_Y = 15,
GP2X_BUTTON_VOLUP = 16,
GP2X_BUTTON_VOLDOWN = 17
};
static int mapKey(SDLKey key, SDLMod mod, Uint16 unicode) {
if (key >= SDLK_F1 && key <= SDLK_F9) {
return key - SDLK_F1 + Common::ASCII_F1;
} else if (key >= SDLK_KP0 && key <= SDLK_KP9) {
return key - SDLK_KP0 + '0';
} else if (key >= SDLK_UP && key <= SDLK_PAGEDOWN) {
return key;
} else if (unicode) {
return unicode;
} else if (key >= 'a' && key <= 'z' && (mod & KMOD_SHIFT)) {
return key & ~0x20;
} else if (key >= SDLK_NUMLOCK && key <= SDLK_EURO) {
return 0;
}
return key;
}
void OSystem_GP2XWIZ::fillMouseEvent(Common::Event &event, int x, int y) {
if (_videoMode.mode == GFX_HALF && !_overlayVisible){
event.mouse.x = x*2;
event.mouse.y = y*2;
} else {
event.mouse.x = x;
event.mouse.y = y;
}
// Update the "keyboard mouse" coords
_km.x = x;
_km.y = y;
// Adjust for the screen scaling
if (!_overlayVisible) {
event.mouse.x /= _videoMode.scaleFactor;
event.mouse.y /= _videoMode.scaleFactor;
if (_videoMode.aspectRatioCorrection)
event.mouse.y = aspect2Real(event.mouse.y);
}
}
static byte SDLModToOSystemKeyFlags(SDLMod mod) {
byte b = 0;
if (mod & KMOD_SHIFT)
b |= Common::KBD_SHIFT;
if (mod & KMOD_ALT)
b |= Common::KBD_ALT;
if (mod & KMOD_CTRL)
b |= Common::KBD_CTRL;
return b;
}
void OSystem_GP2XWIZ::moveStick() {
bool stickBtn[32];
memcpy(stickBtn, _stickBtn, sizeof(stickBtn));
if ((stickBtn[0])||(stickBtn[2])||(stickBtn[4])||(stickBtn[6]))
stickBtn[1] = stickBtn[3] = stickBtn[5] = stickBtn[7] = 0;
if ((stickBtn[1])||(stickBtn[2])||(stickBtn[3])) {
if (_km.x_down_count!=2) {
_km.x_vel = -1;
_km.x_down_count = 1;
} else
_km.x_vel = -4;
} else if ((stickBtn[5])||(stickBtn[6])||(stickBtn[7])) {
if (_km.x_down_count!=2) {
_km.x_vel = 1;
_km.x_down_count = 1;
} else
_km.x_vel = 4;
} else {
_km.x_vel = 0;
_km.x_down_count = 0;
}
if ((stickBtn[0])||(stickBtn[1])||(stickBtn[7])) {
if (_km.y_down_count!=2) {
_km.y_vel = -1;
_km.y_down_count = 1;
} else
_km.y_vel = -4;
} else if ((stickBtn[3])||(stickBtn[4])||(stickBtn[5])) {
if (_km.y_down_count!=2) {
_km.y_vel = 1;
_km.y_down_count = 1;
} else
_km.y_vel = 4;
} else {
_km.y_vel = 0;
_km.y_down_count = 0;
}
}
/* Quick default button states for modifiers. */
int GP2X_BUTTON_STATE_L = false;
/* Override the SDL pollEvent with the Wiz's own event code. */
bool OSystem_GP2XWIZ::pollEvent(Common::Event &event) {
SDL_Event ev;
int axis;
byte b = 0;
handleKbdMouse();
// If the screen mode changed, send an Common::EVENT_SCREEN_CHANGED
if (_modeChanged) {
_modeChanged = false;
event.type = Common::EVENT_SCREEN_CHANGED;
return true;
}
// GP2X Wiz Input mappings.
/*
Single Button
Movement:
GP2X_BUTTON_UP Cursor Up
GP2X_BUTTON_DOWN Cursor Down
GP2X_BUTTON_LEFT Cursor Left
GP2X_BUTTON_RIGHT Cursor Right
GP2X_BUTTON_UPLEFT Cursor Up Left
GP2X_BUTTON_UPRIGHT Cursor Up Right
GP2X_BUTTON_DOWNLEFT Cursor Down Left
GP2X_BUTTON_DOWNRIGHT Cursor Down Right
Button Emulation:
GP2X_BUTTON_A . (Period)
GP2X_BUTTON_B Left Mouse Click
GP2X_BUTTON_Y Space Bar
GP2X_BUTTON_X Right Mouse Click
GP2X_BUTTON_L Combo Modifier (Left Trigger)
GP2X_BUTTON_R Return (Right Trigger)
GP2X_BUTTON_MENU F5 (Game Menu)
GP2X_BUTTON_SELECT Escape
GP2X_BUTTON_VOLUP /dev/mixer Global Volume Up
GP2X_BUTTON_VOLDOWN /dev/mixer Global Volume Down
Combos:
GP2X_BUTTON_VOLUP & GP2X_BUTTON_VOLDOWN 0 (For Monkey 2 CP) or Virtual Keyboard if enabled
GP2X_BUTTON_L & GP2X_BUTTON_SELECT Common::EVENT_QUIT (Calls Sync() to make sure SD is flushed)
GP2X_BUTTON_L & GP2X_BUTTON_MENU Common::EVENT_MAINMENU (ScummVM Global Main Menu)
GP2X_BUTTON_L & GP2X_BUTTON_A Common::EVENT_PREDICTIVE_DIALOG for predictive text entry box (AGI games)
*/
while (SDL_PollEvent(&ev)) {
switch (ev.type) {
case SDL_KEYDOWN:{
b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
const bool event_complete = remapKey(ev,event);
if (event_complete)
return true;
event.type = Common::EVENT_KEYDOWN;
event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
return true;
}
case SDL_KEYUP:
{
const bool event_complete = remapKey(ev,event);
if (event_complete)
return true;
event.type = Common::EVENT_KEYUP;
event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
// Ctrl-Alt-<key> will change the GFX mode
if ((b & (Common::KBD_CTRL|Common::KBD_ALT)) == (Common::KBD_CTRL|Common::KBD_ALT)) {
// Swallow these key up events
break;
}
return true;
}
case SDL_MOUSEMOTION:
event.type = Common::EVENT_MOUSEMOVE;
fillMouseEvent(event, ev.motion.x, ev.motion.y);
setMousePos(event.mouse.x, event.mouse.y);
return true;
case SDL_MOUSEBUTTONDOWN:
if (ev.button.button == SDL_BUTTON_LEFT)
event.type = Common::EVENT_LBUTTONDOWN;
else if (ev.button.button == SDL_BUTTON_RIGHT)
event.type = Common::EVENT_RBUTTONDOWN;
#if defined(SDL_BUTTON_WHEELUP) && defined(SDL_BUTTON_WHEELDOWN)
else if (ev.button.button == SDL_BUTTON_WHEELUP)
event.type = Common::EVENT_WHEELUP;
else if (ev.button.button == SDL_BUTTON_WHEELDOWN)
event.type = Common::EVENT_WHEELDOWN;
#endif
#if defined(SDL_BUTTON_MIDDLE)
else if (ev.button.button == SDL_BUTTON_MIDDLE)
event.type = Common::EVENT_MBUTTONDOWN;
#endif
else
break;
fillMouseEvent(event, ev.button.x, ev.button.y);
return true;
case SDL_MOUSEBUTTONUP:
if (ev.button.button == SDL_BUTTON_LEFT)
event.type = Common::EVENT_LBUTTONUP;
else if (ev.button.button == SDL_BUTTON_RIGHT)
event.type = Common::EVENT_RBUTTONUP;
#if defined(SDL_BUTTON_MIDDLE)
else if (ev.button.button == SDL_BUTTON_MIDDLE)
event.type = Common::EVENT_MBUTTONUP;
#endif
else
break;
fillMouseEvent(event, ev.button.x, ev.button.y);
return true;
case SDL_JOYBUTTONDOWN:
_stickBtn[ev.jbutton.button] = 1;
if (ev.jbutton.button == GP2X_BUTTON_B) {
event.type = Common::EVENT_LBUTTONDOWN;
fillMouseEvent(event, _km.x, _km.y);
} else if (ev.jbutton.button == GP2X_BUTTON_X) {
event.type = Common::EVENT_RBUTTONDOWN;
fillMouseEvent(event, _km.x, _km.y);
} else if (_stickBtn[GP2X_BUTTON_L] && (ev.jbutton.button == GP2X_BUTTON_SELECT)) {
event.type = Common::EVENT_QUIT;
} else if (ev.jbutton.button < 8) {
moveStick();
event.type = Common::EVENT_MOUSEMOVE;
fillMouseEvent(event, _km.x, _km.y);
} else {
event.type = Common::EVENT_KEYDOWN;
event.kbd.flags = 0;
switch (ev.jbutton.button) {
case GP2X_BUTTON_L:
GP2X_BUTTON_STATE_L = true;
break;
case GP2X_BUTTON_R:
if (GP2X_BUTTON_STATE_L == true) {
#ifdef ENABLE_VKEYBD
event.kbd.keycode = Common::KEYCODE_F7;
event.kbd.ascii = mapKey(SDLK_F7, ev.key.keysym.mod, 0);
#else
event.kbd.keycode = Common::KEYCODE_0;
event.kbd.ascii = mapKey(SDLK_0, ev.key.keysym.mod, 0);
#endif
} else {
event.kbd.keycode = Common::KEYCODE_RETURN;
event.kbd.ascii = mapKey(SDLK_RETURN, ev.key.keysym.mod, 0);
}
break;
case GP2X_BUTTON_SELECT:
if (GP2X_BUTTON_STATE_L == true) {
event.type = Common::EVENT_QUIT;
} else {
event.kbd.keycode = Common::KEYCODE_ESCAPE;
event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
}
break;
case GP2X_BUTTON_A:
if (GP2X_BUTTON_STATE_L == true) {
event.type = Common::EVENT_PREDICTIVE_DIALOG;
} else {
event.kbd.keycode = Common::KEYCODE_PERIOD;
event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
}
break;
case GP2X_BUTTON_Y:
event.kbd.keycode = Common::KEYCODE_SPACE;
event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
break;
case GP2X_BUTTON_MENU:
if (GP2X_BUTTON_STATE_L == true) {
event.type = Common::EVENT_MAINMENU;
} else {
event.kbd.keycode = Common::KEYCODE_F5;
event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
}
break;
case GP2X_BUTTON_VOLUP:
WIZ_HW::mixerMoveVolume(2);
if (WIZ_HW::volumeLevel == 100) {
displayMessageOnOSD("Maximum Volume");
} else {
displayMessageOnOSD("Increasing Volume");
}
break;
case GP2X_BUTTON_VOLDOWN:
WIZ_HW::mixerMoveVolume(1);
if (WIZ_HW::volumeLevel == 0) {
displayMessageOnOSD("Minimal Volume");
} else {
displayMessageOnOSD("Decreasing Volume");
}
break;
}
}
return true;
case SDL_JOYBUTTONUP:
_stickBtn[ev.jbutton.button] = 0;
if (ev.jbutton.button == GP2X_BUTTON_B) {
event.type = Common::EVENT_LBUTTONUP;
fillMouseEvent(event, _km.x, _km.y);
} else if (ev.jbutton.button == GP2X_BUTTON_X) {
event.type = Common::EVENT_RBUTTONUP;
fillMouseEvent(event, _km.x, _km.y);
} else if (ev.jbutton.button < 8) {
moveStick();
event.type = Common::EVENT_MOUSEMOVE;
fillMouseEvent(event, _km.x, _km.y);
} else {
event.type = Common::EVENT_KEYUP;
event.kbd.flags = 0;
switch (ev.jbutton.button) {
case GP2X_BUTTON_SELECT:
event.kbd.keycode = Common::KEYCODE_ESCAPE;
event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
break;
case GP2X_BUTTON_A:
event.kbd.keycode = Common::KEYCODE_PERIOD;
event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
break;
case GP2X_BUTTON_Y:
event.kbd.keycode = Common::KEYCODE_SPACE;
event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
break;
case GP2X_BUTTON_MENU:
if (GP2X_BUTTON_STATE_L == true) {
event.type = Common::EVENT_MAINMENU;
} else {
event.kbd.keycode = Common::KEYCODE_F5;
event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
}
break;
case GP2X_BUTTON_L:
GP2X_BUTTON_STATE_L = false;
break;
case GP2X_BUTTON_R:
if (GP2X_BUTTON_STATE_L == true) {
#ifdef ENABLE_VKEYBD
event.kbd.keycode = Common::KEYCODE_F7;
event.kbd.ascii = mapKey(SDLK_F7, ev.key.keysym.mod, 0);
#else
event.kbd.keycode = Common::KEYCODE_0;
event.kbd.ascii = mapKey(SDLK_0, ev.key.keysym.mod, 0);
#endif
} else {
event.kbd.keycode = Common::KEYCODE_RETURN;
event.kbd.ascii = mapKey(SDLK_RETURN, 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 = Common::EVENT_MOUSEMOVE;
} else if ( axis < -JOY_DEADZONE ) {
axis += JOY_DEADZONE;
event.type = Common::EVENT_MOUSEMOVE;
} else
axis = 0;
if ( ev.jaxis.axis == JOY_XAXIS) {
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;
}
} 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 = Common::EVENT_QUIT;
return true;
}
}
return false;
}
bool OSystem_GP2XWIZ::remapKey(const SDL_Event &ev,Common::Event &event) {
return false;
}
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