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scummvm/backends/platform/gp2x/events.cpp
Jordi Vilalta Prat d6c34bdc4b Fixed the spaces before tabs. 
svn-id: r30667
2008-01-28 00:14:17 +00:00

624 lines
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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: Common::Event Handling.
*
*/
#include "backends/platform/gp2x/gp2x-common.h"
#include "backends/platform/gp2x/gp2x-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
#define JOY_DEADZONE 2200
// #define JOY_INVERT_Y
#define JOY_XAXIS 0
#define JOY_YAXIS 1
// GP2X Stick Buttons (Note: The Stick is read as a set of buttons not a HAT type of setup).
#define JOY_BUT_LMOUSE 0x0D
#define JOY_BUT_RMOUSE 0x0E
#define JOY_BUT_RETURN 0x08
#define JOY_BUT_ESCAPE 0x09
#define JOY_BUT_F5 0x0B
#define JOY_BUT_SPACE 0x0F
#define JOY_BUT_TALKUP 0x10
#define JOY_BUT_TALKDN 0x11
#define JOY_BUT_ZERO 0x12
#define JOY_BUT_COMB 0x0A
#define JOY_BUT_EXIT 0x12
#define JOY_BUT_PERIOD 0x0C
//TODO: Quick hack 101 ;-) Clean this up,
#define TRUE 1
#define FALSE 0
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_GP2X::fillMouseEvent(Common::Event &event, int x, int y) {
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 /= _scaleFactor;
event.mouse.y /= _scaleFactor;
if (_adjustAspectRatio)
event.mouse.y = aspect2Real(event.mouse.y);
}
}
void OSystem_GP2X::handleKbdMouse() {
uint32 curTime = getMillis();
if (curTime >= _km.last_time + _km.delay_time) {
_km.last_time = curTime;
if (_km.x_down_count == 1) {
_km.x_down_time = curTime;
_km.x_down_count = 2;
}
if (_km.y_down_count == 1) {
_km.y_down_time = curTime;
_km.y_down_count = 2;
}
if (_km.x_vel || _km.y_vel) {
if (_km.x_down_count) {
if (curTime > _km.x_down_time + _km.delay_time * 12) {
if (_km.x_vel > 0)
_km.x_vel++;
else
_km.x_vel--;
} else if (curTime > _km.x_down_time + _km.delay_time * 8) {
if (_km.x_vel > 0)
_km.x_vel = 5;
else
_km.x_vel = -5;
}
}
if (_km.y_down_count) {
if (curTime > _km.y_down_time + _km.delay_time * 12) {
if (_km.y_vel > 0)
_km.y_vel++;
else
_km.y_vel--;
} else if (curTime > _km.y_down_time + _km.delay_time * 8) {
if (_km.y_vel > 0)
_km.y_vel = 5;
else
_km.y_vel = -5;
}
}
_km.x += _km.x_vel;
_km.y += _km.y_vel;
if (_km.x < 0) {
_km.x = 0;
_km.x_vel = -1;
_km.x_down_count = 1;
} else if (_km.x > _km.x_max) {
_km.x = _km.x_max;
_km.x_vel = 1;
_km.x_down_count = 1;
}
if (_km.y < 0) {
_km.y = 0;
_km.y_vel = -1;
_km.y_down_count = 1;
} else if (_km.y > _km.y_max) {
_km.y = _km.y_max;
_km.y_vel = 1;
_km.y_down_count = 1;
}
SDL_WarpMouse(_km.x, _km.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_GP2X::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 modifier.
//int GP2X_BUTTON_STATE_UP = FALSE;
//int GP2X_BUTTON_STATE_DOWN = FALSE;
//int GP2X_BUTTON_STATE_LEFT = FALSE;
//int GP2X_BUTTON_STATE_RIGHT = FALSE;
//int GP2X_BUTTON_STATE_UPLEFT = FALSE;
//int GP2X_BUTTON_STATE_UPRIGHT = FALSE;
//int GP2X_BUTTON_STATE_DOWNLEFT = FALSE;
//int GP2X_BUTTON_STATE_DOWNRIGHT = FALSE;
//int GP2X_BUTTON_STATE_CLICK = FALSE;
//int GP2X_BUTTON_STATE_A = FALSE;
//int GP2X_BUTTON_STATE_B = FALSE;
//int GP2X_BUTTON_STATE_Y = FALSE;
//int GP2X_BUTTON_STATE_X = FALSE;
int GP2X_BUTTON_STATE_L = FALSE;
//int GP2X_BUTTON_STATE_R = FALSE;
//int GP2X_BUTTON_STATE_START = FALSE;
//int GP2X_BUTTON_STATE_SELECT = FALSE;
//int GP2X_BUTTON_STATE_VOLUP = FALSE;
//int GP2X_BUTTON_STATE_VOLDOWN = FALSE;
bool OSystem_GP2X::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;
_screenChangeCount++;
return true;
}
// GP2X 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
TODO: Add extra directions to cursor mappings.
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_CLICK Left Mouse Click
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 F5 (Right Trigger)
GP2X_BUTTON_START Return
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)
GP2X_BUTTON_L & GP2X_BUTTON_SELECT Common::EVENT_QUIT (Calls Sync() to make sure SD is flushed)
GP2X_BUTTON_L & GP2X_BUTTON_Y Toggles setZoomOnMouse() for larger then 320*240 games to scale to the point + raduis.
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());
// Alt-Return and Alt-Enter toggle full screen mode
if (b == Common::KBD_ALT && (ev.key.keysym.sym == SDLK_RETURN
|| ev.key.keysym.sym == SDLK_KP_ENTER)) {
setFullscreenMode(!_fullscreen);
break;
}
// Alt-S: Create a screenshot
if (b == Common::KBD_ALT && ev.key.keysym.sym == 's') {
char filename[20];
for (int n = 0;; n++) {
SDL_RWops *file;
sprintf(filename, "scummvm%05d.bmp", n);
file = SDL_RWFromFile(filename, "r");
if (!file)
break;
SDL_RWclose(file);
}
if (saveScreenshot(filename))
printf("Saved '%s'\n", filename);
else
printf("Could not save screenshot!\n");
break;
}
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
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;
else
break;
fillMouseEvent(event, ev.button.x, ev.button.y);
return true;
// GP2X Button mapings. Main code
case SDL_JOYBUTTONDOWN:
_stickBtn[ev.jbutton.button] = 1;
if (ev.jbutton.button == JOY_BUT_LMOUSE) {
event.type = Common::EVENT_LBUTTONDOWN;
fillMouseEvent(event, _km.x, _km.y);
} else if (ev.jbutton.button == GP2X_BUTTON_CLICK) {
event.type = Common::EVENT_LBUTTONDOWN;
fillMouseEvent(event, _km.x, _km.y);
} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
event.type = Common::EVENT_RBUTTONDOWN;
fillMouseEvent(event, _km.x, _km.y);
} else if (_stickBtn[JOY_BUT_COMB] && (ev.jbutton.button == JOY_BUT_EXIT)) {
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) {
event.kbd.keycode = Common::KEYCODE_0;
event.kbd.ascii = mapKey(SDLK_0, ev.key.keysym.mod, 0);
} else {
event.kbd.keycode = Common::KEYCODE_F5;
event.kbd.ascii = mapKey(SDLK_F5, 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);
}
// event.kbd.keycode = Common::KEYCODE_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 = Common::KEYCODE_SPACE;
event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
}
break;
case JOY_BUT_RETURN:
event.kbd.keycode = Common::KEYCODE_RETURN;
event.kbd.ascii = mapKey(SDLK_RETURN, ev.key.keysym.mod, 0);
break;
case JOY_BUT_ZERO:
event.kbd.keycode = Common::KEYCODE_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 = Common::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 = Common::KEYCODE_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 = Common::KEYCODE_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 = Common::KEYCODE_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 = Common::EVENT_LBUTTONUP;
fillMouseEvent(event, _km.x, _km.y);
} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
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_START:
event.kbd.keycode = Common::KEYCODE_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 = Common::KEYCODE_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 = 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_GP2X::remapKey(SDL_Event &ev,Common::Event &event) {
return false;
}
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