/* 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" #include "graphics/scaler/aspect.h" // for aspect2Real // 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 /* Quick default button states for modifiers. */ int BUTTON_STATE_L = false; enum { /* DPAD/Stick */ BUTTON_UP = 0, BUTTON_UPLEFT = 1, BUTTON_LEFT = 2, BUTTON_DOWNLEFT = 3, BUTTON_DOWN = 4, BUTTON_DOWNRIGHT = 5, BUTTON_RIGHT = 6, BUTTON_UPRIGHT = 7, /* Joystick Buttons */ BUTTON_MENU = 8, // Start on F100 GP2X BUTTON_SELECT = 9, BUTTON_L = 10, BUTTON_R = 11, BUTTON_A = 12, BUTTON_B = 13, BUTTON_X = 14, BUTTON_Y = 15, BUTTON_VOLUP = 16, BUTTON_VOLDOWN = 17, BUTTON_CLICK = 18 }; enum { /* Unused Joystick Buttons on the GP2X */ BUTTON_HOME = 51, BUTTON_HOLD = 52, BUTTON_HELP = 53, BUTTON_HELP2 = 54 }; enum { /* Touchscreen TapMode */ TAPMODE_LEFT = 0, TAPMODE_RIGHT = 1, TAPMODE_HOVER = 2 }; 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 /= _videoMode.scaleFactor; event.mouse.y /= _videoMode.scaleFactor; if (_videoMode.aspectRatioCorrection) 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((Uint16)_km.x, (Uint16)_km.y); } } } static void SDLModToOSystemKeyFlags(SDLMod mod, Common::Event &event) { event.kbd.flags = 0; if (mod & KMOD_SHIFT) event.kbd.flags |= Common::KBD_SHIFT; if (mod & KMOD_ALT) event.kbd.flags |= Common::KBD_ALT; if (mod & KMOD_CTRL) event.kbd.flags |= Common::KBD_CTRL; // Sticky flags if (mod & KMOD_NUM) event.kbd.flags |= Common::KBD_NUM; if (mod & KMOD_CAPS) event.kbd.flags |= Common::KBD_CAPS; } 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; } } bool OSystem_GP2X::pollEvent(Common::Event &event) { SDL_Event ev; ev.type = SDL_NOEVENT; handleKbdMouse(); // If the screen mode changed, send an Common::EVENT_SCREEN_CHANGED if (_modeChanged) { _modeChanged = false; event.type = Common::EVENT_SCREEN_CHANGED; return true; } while (SDL_PollEvent(&ev)) { preprocessEvents(&ev); if (dispatchSDLEvent(ev, event)) return true; } return false; } bool OSystem_GP2X::dispatchSDLEvent(SDL_Event &ev, Common::Event &event) { switch (ev.type) { case SDL_KEYDOWN: return handleKeyDown(ev, event); case SDL_KEYUP: return handleKeyUp(ev, event); case SDL_MOUSEMOTION: return handleMouseMotion(ev, event); case SDL_MOUSEBUTTONDOWN: return handleMouseButtonDown(ev, event); case SDL_MOUSEBUTTONUP: return handleMouseButtonUp(ev, event); case SDL_JOYBUTTONDOWN: return handleJoyButtonDown(ev, event); case SDL_JOYBUTTONUP: return handleJoyButtonUp(ev, event); case SDL_JOYAXISMOTION: return handleJoyAxisMotion(ev, event); case SDL_VIDEOEXPOSE: _forceFull = true; break; case SDL_QUIT: event.type = Common::EVENT_QUIT; return true; } return false; } bool OSystem_GP2X::handleKeyDown(SDL_Event &ev, Common::Event &event) { SDLModToOSystemKeyFlags(SDL_GetModState(), event); // Handle scroll lock as a key modifier if (ev.key.keysym.sym == SDLK_SCROLLOCK) _scrollLock = !_scrollLock; if (_scrollLock) event.kbd.flags |= Common::KBD_SCRL; // Alt-Return and Alt-Enter toggle full screen mode if (event.kbd.hasFlags(Common::KBD_ALT) && (ev.key.keysym.sym == SDLK_RETURN || ev.key.keysym.sym == SDLK_KP_ENTER)) { beginGFXTransaction(); setFullscreenMode(!_videoMode.fullscreen); endGFXTransaction(); #ifdef USE_OSD if (_videoMode.fullscreen) displayMessageOnOSD("Fullscreen mode"); else displayMessageOnOSD("Windowed mode"); #endif return false; } // Alt-S: Create a screenshot if (event.kbd.hasFlags(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"); return false; } // Ctrl-m toggles mouse capture if (event.kbd.hasFlags(Common::KBD_CTRL) && ev.key.keysym.sym == 'm') { toggleMouseGrab(); return false; } if ((ev.key.keysym.mod & KMOD_CTRL) && ev.key.keysym.sym == 'q') { event.type = Common::EVENT_QUIT; return true; } if ((ev.key.keysym.mod & KMOD_CTRL) && ev.key.keysym.sym == 'u') { event.type = Common::EVENT_MUTE; return true; } // Ctrl-Alt- will change the GFX mode if ((event.kbd.flags & (Common::KBD_CTRL|Common::KBD_ALT)) == (Common::KBD_CTRL|Common::KBD_ALT)) { if (handleScalerHotkeys(ev.key)) return false; } if (remapKey(ev, event)) 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; } bool OSystem_GP2X::handleKeyUp(SDL_Event &ev, Common::Event &event) { if (remapKey(ev, event)) 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); // Ctrl-Alt- will change the GFX mode SDLModToOSystemKeyFlags(SDL_GetModState(), event); // Set the scroll lock sticky flag if (_scrollLock) event.kbd.flags |= Common::KBD_SCRL; if (isScalerHotkey(event)) // Swallow these key up events return false; return true; } bool OSystem_GP2X::handleMouseMotion(SDL_Event &ev, Common::Event &event) { event.type = Common::EVENT_MOUSEMOVE; fillMouseEvent(event, ev.motion.x, ev.motion.y); setMousePos(event.mouse.x, event.mouse.y); return true; } /* Custom handleMouseButtonDown/handleMouseButtonUp to deal with 'Tap Mode' for the touchscreen */ bool OSystem_GP2X::handleMouseButtonDown(SDL_Event &ev, Common::Event &event) { if (ev.button.button == SDL_BUTTON_LEFT){ if (BUTTON_STATE_L == true) /* BUTTON_STATE_L = Left Trigger Held, force Right Click */ event.type = Common::EVENT_RBUTTONDOWN; else if (GPH::tapmodeLevel == TAPMODE_LEFT) /* TAPMODE_LEFT = Left Click Tap Mode */ event.type = Common::EVENT_LBUTTONDOWN; else if (GPH::tapmodeLevel == TAPMODE_RIGHT) /* TAPMODE_RIGHT = Right Click Tap Mode */ event.type = Common::EVENT_RBUTTONDOWN; else if (GPH::tapmodeLevel == TAPMODE_HOVER) /* TAPMODE_HOVER = Hover (No Click) Tap Mode */ event.type = Common::EVENT_MOUSEMOVE; else event.type = Common::EVENT_LBUTTONDOWN; /* For normal mice etc. */ } 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 return false; fillMouseEvent(event, ev.button.x, ev.button.y); return true; } bool OSystem_GP2X::handleMouseButtonUp(SDL_Event &ev, Common::Event &event) { if (ev.button.button == SDL_BUTTON_LEFT){ if (BUTTON_STATE_L == true) /* BUTTON_STATE_L = Left Trigger Held, force Right Click */ event.type = Common::EVENT_RBUTTONUP; else if (GPH::tapmodeLevel == TAPMODE_LEFT) /* TAPMODE_LEFT = Left Click Tap Mode */ event.type = Common::EVENT_LBUTTONUP; else if (GPH::tapmodeLevel == TAPMODE_RIGHT) /* TAPMODE_RIGHT = Right Click Tap Mode */ event.type = Common::EVENT_RBUTTONUP; else if (GPH::tapmodeLevel == TAPMODE_HOVER) /* TAPMODE_HOVER = Hover (No Click) Tap Mode */ event.type = Common::EVENT_MOUSEMOVE; else event.type = Common::EVENT_LBUTTONUP; /* For normal mice etc. */ } 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 return false; fillMouseEvent(event, ev.button.x, ev.button.y); return true; } /* Custom handleJoyButtonDown/handleJoyButtonUp to deal with the joystick buttons on GPH devices */ bool OSystem_GP2X::handleJoyButtonDown(SDL_Event &ev, Common::Event &event) { _stickBtn[ev.jbutton.button] = 1; event.kbd.flags = 0; switch (ev.jbutton.button) { case BUTTON_UP: case BUTTON_UPLEFT: case BUTTON_LEFT: case BUTTON_DOWNLEFT: case BUTTON_DOWN: case BUTTON_DOWNRIGHT: case BUTTON_RIGHT: case BUTTON_UPRIGHT: moveStick(); event.type = Common::EVENT_MOUSEMOVE; fillMouseEvent(event, _km.x, _km.y); break; case BUTTON_B: case BUTTON_CLICK: if (BUTTON_STATE_L == true) { setZoomOnMouse(); fillMouseEvent(event, _km.x, _km.y); } else { event.type = Common::EVENT_LBUTTONDOWN; fillMouseEvent(event, _km.x, _km.y); } break; case BUTTON_X: event.type = Common::EVENT_RBUTTONDOWN; fillMouseEvent(event, _km.x, _km.y); break; case BUTTON_L: BUTTON_STATE_L = true; break; case BUTTON_R: event.type = Common::EVENT_KEYDOWN; if (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 BUTTON_SELECT: case BUTTON_HOME: event.type = Common::EVENT_KEYDOWN; if (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 BUTTON_A: event.type = Common::EVENT_KEYDOWN; if (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 BUTTON_Y: event.type = Common::EVENT_KEYDOWN; if (BUTTON_STATE_L == true) { GPH::ToggleTapMode(); if (GPH::tapmodeLevel == TAPMODE_LEFT) { displayMessageOnOSD("Touchscreen 'Tap Mode' - Left Click"); } else if (GPH::tapmodeLevel == TAPMODE_RIGHT) { displayMessageOnOSD("Touchscreen 'Tap Mode' - Right Click"); } else if (GPH::tapmodeLevel == TAPMODE_HOVER) { displayMessageOnOSD("Touchscreen 'Tap Mode' - Hover (No Click)"); } } else { event.kbd.keycode = Common::KEYCODE_SPACE; event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0); } break; case BUTTON_MENU: case BUTTON_HELP: event.type = Common::EVENT_KEYDOWN; if (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 BUTTON_VOLUP: GP2X_HW::mixerMoveVolume(2); if (GP2X_HW::volumeLevel == 100) { displayMessageOnOSD("Maximum Volume"); } else { displayMessageOnOSD("Increasing Volume"); } break; case BUTTON_VOLDOWN: GP2X_HW::mixerMoveVolume(1); if (GP2X_HW::volumeLevel == 0) { displayMessageOnOSD("Minimal Volume"); } else { displayMessageOnOSD("Decreasing Volume"); } break; case BUTTON_HOLD: event.type = Common::EVENT_QUIT; break; case BUTTON_HELP2: GPH::ToggleTapMode(); if (GPH::tapmodeLevel == TAPMODE_LEFT) { displayMessageOnOSD("Touchscreen 'Tap Mode': Left Click"); } else if (GPH::tapmodeLevel == TAPMODE_RIGHT) { displayMessageOnOSD("Touchscreen 'Tap Mode': Right Click"); } else if (GPH::tapmodeLevel == TAPMODE_HOVER) { displayMessageOnOSD("Touchscreen 'Tap Mode': Hover (No Click)"); } break; } return true; } bool OSystem_GP2X::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) { _stickBtn[ev.jbutton.button] = 0; event.kbd.flags = 0; switch (ev.jbutton.button) { case BUTTON_UP: case BUTTON_UPLEFT: case BUTTON_LEFT: case BUTTON_DOWNLEFT: case BUTTON_DOWN: case BUTTON_DOWNRIGHT: case BUTTON_RIGHT: case BUTTON_UPRIGHT: moveStick(); event.type = Common::EVENT_MOUSEMOVE; fillMouseEvent(event, _km.x, _km.y); break; case BUTTON_B: case BUTTON_CLICK: if (BUTTON_STATE_L == true) { break; } else { event.type = Common::EVENT_LBUTTONUP; fillMouseEvent(event, _km.x, _km.y); } break; case BUTTON_X: event.type = Common::EVENT_RBUTTONUP; fillMouseEvent(event, _km.x, _km.y); break; case BUTTON_L: BUTTON_STATE_L = false; break; case BUTTON_SELECT: case BUTTON_HOME: event.type = Common::EVENT_KEYUP; event.kbd.keycode = Common::KEYCODE_ESCAPE; event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0); break; case BUTTON_A: event.type = Common::EVENT_KEYUP; event.kbd.keycode = Common::KEYCODE_PERIOD; event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0); break; case BUTTON_Y: event.type = Common::EVENT_KEYUP; event.kbd.keycode = Common::KEYCODE_SPACE; event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0); break; case BUTTON_MENU: case BUTTON_HELP: event.type = Common::EVENT_KEYUP; if (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 BUTTON_R: event.type = Common::EVENT_KEYUP; if (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 BUTTON_VOLUP: break; case BUTTON_VOLDOWN: break; case BUTTON_HOLD: break; case BUTTON_HELP2: break; } return true; } bool OSystem_GP2X::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) { int 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) { #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; } bool OSystem_GP2X::remapKey(SDL_Event &ev, Common::Event &event) { return false; }