kaetemi
10 years ago
parent
f779b34751
commit
b4d5730363
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/*
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Copyright (c) 2014, Jan BOON
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stdmisc.h"
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#include "nel/misc/events.h"
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#include "nel/misc/event_emitter.h"
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#include "nel/misc/event_emitter_sdl.h"
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#include "nel/misc/event_server.h"
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#include <SDL.h>
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namespace NLMISC {
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void CEventEmitterSDL::submitEvents(CEventServer &server, bool allWindows)
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{
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// ISSUE: SDL2 pumps from all windows, so we cannot use this accross all platforms at the moment...
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SDL_Event event;
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while (SDL_PollEvent(&event))
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processEvent(event, server);
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}
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static inline TKey getKey(SDL_Keycode keycode)
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{
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switch (keycode)
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{
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case SDLK_0: return Key0;
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case SDLK_1: return Key1;
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case SDLK_2: return Key2;
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case SDLK_3: return Key3;
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case SDLK_4: return Key4;
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case SDLK_5: return Key5;
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case SDLK_6: return Key6;
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case SDLK_7: return Key7;
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case SDLK_8: return Key8;
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case SDLK_9: return Key9;
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case SDLK_a: return KeyA;
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case SDLK_b: return KeyB;
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case SDLK_c: return KeyC;
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case SDLK_d: return KeyD;
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case SDLK_e: return KeyE;
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case SDLK_f: return KeyF;
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case SDLK_g: return KeyG;
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case SDLK_h: return KeyH;
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case SDLK_i: return KeyI;
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case SDLK_j: return KeyJ;
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case SDLK_k: return KeyK;
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case SDLK_l: return KeyL;
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case SDLK_m: return KeyM;
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case SDLK_n: return KeyN;
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case SDLK_o: return KeyO;
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case SDLK_p: return KeyP;
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case SDLK_q: return KeyQ;
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case SDLK_r: return KeyR;
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case SDLK_s: return KeyS;
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case SDLK_t: return KeyT;
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case SDLK_u: return KeyU;
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case SDLK_v: return KeyV;
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case SDLK_w: return KeyW;
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case SDLK_x: return KeyX;
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case SDLK_y: return KeyY;
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case SDLK_z: return KeyZ;
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case SDLK_a: return KeyA;
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case SDLK_CANCEL: return KeyCANCEL;
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case SDLK_TAB: return KeyTAB;
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case SDLK_CLEAR: return KeyCLEAR;
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case SDLK_RETURN: return KeyRETURN;
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case SDLK_MENU: return KeyMENU;
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case SDLK_PAUSE: return KeyPAUSE;
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case SDLK_ESCAPE: return KeyESCAPE;
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case SDLK_MODE: return KeyMODECHANGE;
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case SDLK_SPACE: return KeySPACE;
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case SDLK_PRIOR: return KeyPRIOR;
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case SDLK_END: return KeyEND;
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case SDLK_HOME: return KeyHOME;
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case SDLK_LEFT: return KeyLEFT;
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case SDLK_UP: return KeyUP;
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case SDLK_RIGHT: return KeyRIGHT;
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case SDLK_DOWN: return KeyDOWN;
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case SDLK_SELECT: return KeySELECT;
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case SDLK_PRINTSCREEN: return KeyPRINT;
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case SDLK_EXECUTE: return KeyEXECUTE;
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case SDLK_INSERT: return KeyINSERT;
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case SDLK_DELETE: return KeyDELETE;
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case SDLK_HELP: return KeyHELP;
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case SDLK_LGUI: return KeyLWIN;
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case SDLK_RGUI: return KeyRWIN;
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case SDLK_KP_0: return KeyNUMPAD0;
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case SDLK_KP_1: return KeyNUMPAD1;
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case SDLK_KP_2: return KeyNUMPAD2;
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case SDLK_KP_3: return KeyNUMPAD3;
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case SDLK_KP_4: return KeyNUMPAD4;
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case SDLK_KP_5: return KeyNUMPAD5;
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case SDLK_KP_6: return KeyNUMPAD6;
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case SDLK_KP_7: return KeyNUMPAD7;
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case SDLK_KP_8: return KeyNUMPAD8;
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case SDLK_KP_9: return KeyNUMPAD9;
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case SDLK_KP_MULTIPLY: return KeyMULTIPLY;
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case SDLK_KP_PLUS: return KeyADD;
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case SDLK_SEPARATOR: return KeySEPARATOR;
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case SDLK_KP_MINUS: return KeySUBTRACT;
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case SDLK_KP_DECIMAL: return KeyDECIMAL;
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case SDLK_KP_DIVIDE: return KeyDIVIDE;
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case SDLK_F1: return KeyF1;
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case SDLK_F2: return KeyF2;
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case SDLK_F3: return KeyF3;
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case SDLK_F4: return KeyF4;
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case SDLK_F5: return KeyF5;
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case SDLK_F6: return KeyF6;
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case SDLK_F7: return KeyF7;
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case SDLK_F8: return KeyF8;
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case SDLK_F9: return KeyF9;
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case SDLK_F10: return KeyF10;
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case SDLK_F11: return KeyF11;
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case SDLK_F12: return KeyF12;
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case SDLK_F13: return KeyF13;
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case SDLK_F14: return KeyF14;
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case SDLK_F15: return KeyF15;
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case SDLK_F16: return KeyF16;
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case SDLK_F17: return KeyF17;
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case SDLK_F18: return KeyF18;
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case SDLK_F19: return KeyF19;
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case SDLK_F20: return KeyF20;
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case SDLK_F21: return KeyF21;
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case SDLK_F22: return KeyF22;
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case SDLK_F23: return KeyF23;
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case SDLK_F24: return KeyF24;
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case SDLK_NUMLOCKCLEAR: return KeyNUMLOCK;
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case SDLK_LSHIFT: return KeyLSHIFT;
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case SDLK_RSHIFT: return KeyRSHIFT;
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case SDLK_LCTRL: return KeyLCONTROL;
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case SDLK_RCTRL: return KeyRCONTROL;
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case SDLK_SEMICOLON: return KeySEMICOLON;
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case SDLK_EQUALS: return KeyEQUALS;
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case SDLK_COMMA: return KeyCOMMA;
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case SDLK_MINUS: return KeyDASH;
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case SDLK_PERIOD: return KeyPERIOD;
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case SDLK_SLASH: return KeySLASH;
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case SDLK_LEFTBRACKET: return KeyLBRACKET;
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case SDLK_BACKSLASH: return KeyBACKSLASH;
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case SDLK_RIGHTBRACKET: return KeyRBRACKET;
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case SDLK_QUOTE: return KeyAPOSTROPHE;
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case SDLK_CRSL: return KeyCRSEL;
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case SDLK_EXSEL: return KeyEXSEL;
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default: nldebug("SDL2: Key unhandled: %i (%#x)\n", (uint32)keycode, (uint32)keycode); return KeyNOKEY;
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}
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}
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static inline TKeyButton getKeyButton(SDL_Keymod keymod)
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{
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TKeyButton res = 0;
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if (keymod & KMOD_CTRL)
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res |= ctrlKeyButton;
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if (keymod & KMOD_SHIFT)
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res |= shiftKeyButton;
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if (keymod & KMOD_ALT)
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res |= altKeyButton;
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return res;
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}
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inline void cacheKeyButton(SDL_Keymod keymod)
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{
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TMouseButton res = 0;
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if (keymod & KMOD_CTRL)
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res |= ctrlButton;
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if (keymod & KMOD_SHIFT)
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res |= shiftButton;
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if (keymod & KMOD_ALT)
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res |= altButton;
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m_KeyButtonCache = res;
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}
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inline void getMouseCoords(uint32 windowId, sint32 x, sint32 y, float &fx, float &fy)
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{
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SDL_Window *window = SDL_GetWindowFromID(windowId);
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sint32 w, h;
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SDL_GetWindowSize(window, w, h);
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fx = (float)x / (float)w;
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fx = (float)y / (float)h;
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m_MouseXCache = fx;
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m_MouseYCache = fy;
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}
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static inline TMouseButton getMouseButton(TMouseButton keyButton, uint32 state)
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{
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TMouseButton res = 0;
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if (state & SDL_BUTTON_LMASK)
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res |= leftButton;
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if (state & SDL_BUTTON_MMASK)
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res |= middleButton;
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if (state & SDL_BUTTON_RMASK)
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res |= rightButton;
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return keyButton | res;
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}
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inline void cacheMouseButton(uint32 state)
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{
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TMouseButton res = 0;
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if (state & SDL_BUTTON_LMASK)
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res |= leftButton;
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if (state & SDL_BUTTON_MMASK)
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res |= middleButton;
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if (state & SDL_BUTTON_RMASK)
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res |= rightButton;
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m_MouseButtonCache = res;
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}
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static inline TMouseButton getMouseButton(TMouseButton keyButton, uint8 button)
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{
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switch (button)
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{
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case SDL_BUTTON_LEFT: return keyButton | leftButton;
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case SDL_BUTTON_MIDDLE: return keyButton | middleButton;
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case SDL_BUTTON_RIGHT: return keyButton | rightButton;
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default: return 0;
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}
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}
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void CEventEmitterSDL::processEvent(const SDL_Event &event, CEventServer &server)
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{
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switch (event.type)
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{
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case SDL_KEYDOWN:
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{
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TKey key = getKey(event.key.keysim.sym);
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cacheKeyButton(event.key.keysim.mod);
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if (key) server.postEvent(new CEventKeyDown(key, getKeyButton(event.key.keysim.mod), !event.key.repeat, this));
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break;
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}
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case SDL_KEYUP:
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{
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TKey key = getKey(event.key.keysim.sym);
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cacheKeyButton(event.key.keysim.mod);
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if (key) server.postEvent(new CEventKeyUp(key, getKeyButton(event.key.keysim.mod), !event.key.repeat, this));
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break;
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}
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case SDL_TEXTEDITING:
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{
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server.postEvent(new CEventTextEditing(event.edit.text, sizeof(event.edit.text), event.edit.start, event.edit.length, this));
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break;
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}
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case SDL_TEXTINPUT:
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{
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server.postEvent(new CEventTextInput(event.text.text, sizeof(event.text.text), this));
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break;
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}
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case SDL_MOUSEMOTION:
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{
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float x, y;
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getMouseCoords(event.motion.windowID, event.motion.x, event.motion.y, f, x);
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cacheMouseButton(event.button.state);
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server.postEvent(new CEventMouseMove(x, y, getMouseButton(m_KeyButtonCache, event.motion.state), this));
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break;
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}
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case SDL_MOUSEBUTTONDOWN:
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{
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TMouseButton button = getMouseButton(m_KeyButtonCache, event.button.button);
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if (button)
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{
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cacheMouseButton(event.button.state);
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float x, y;
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getMouseCoords(event.button.windowID, event.button.x, event.button.y, f, x);
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server.postEvent(new CEventMouseDown(x, y, button, this));
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}
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break;
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}
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case SDL_MOUSEBUTTONUP:
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{
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TMouseButton button = getMouseButton(m_KeyButtonCache, event.button.button);
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if (button)
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{
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cacheMouseButton(event.button.state);
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float x, y;
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getMouseCoords(event.button.windowID, event.button.x, event.button.y, f, x);
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server.postEvent(new CEventMouseUp(x, y, button, this));
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}
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break;
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}
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case SDL_MOUSEWHEEL:
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{
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TMouseButton button = m_KeyButtonCache | m_MouseButtonCache;
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float x = m_MouseXCache;
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float y = m_MouseYCache;
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server.postEvent(new CEventMouseWheel(x, y, button, event.wheel.y >= 0, this));
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break;
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}
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}
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}
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} // NLMISC
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