473 lines
12 KiB
C
473 lines
12 KiB
C
/*
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events.c - SDL event system handlers
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Copyright (C) 2015-2017 a1batross
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(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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*/
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#if defined( XASH_SDL ) && !defined( XASH_DEDICATED )
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#include <SDL.h>
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#include "common.h"
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#include "keydefs.h"
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#include "input.h"
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#include "client.h"
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#include "vgui_draw.h"
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#include "events.h"
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#include "sound.h"
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#include "vid_common.h"
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static int wheelbutton;
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/*
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=============
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SDLash_KeyEvent
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=============
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*/
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static void SDLash_KeyEvent( SDL_KeyboardEvent key )
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{
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int down = key.state != SDL_RELEASED;
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int keynum = key.keysym.scancode;
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qboolean numLock = SDL_GetModState() & KMOD_NUM;
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if( SDL_IsTextInputActive() && down )
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{
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if( SDL_GetModState() & KMOD_CTRL )
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{
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if( keynum >= SDL_SCANCODE_A && keynum <= SDL_SCANCODE_Z )
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{
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keynum = keynum - SDL_SCANCODE_A + 1;
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CL_CharEvent( keynum );
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}
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return;
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}
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}
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#define DECLARE_KEY_RANGE( min, max, repl ) \
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if( keynum >= (min) && keynum <= (max) ) \
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{ \
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keynum = keynum - (min) + (repl); \
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}
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DECLARE_KEY_RANGE( SDL_SCANCODE_A, SDL_SCANCODE_Z, 'a' )
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else DECLARE_KEY_RANGE( SDL_SCANCODE_1, SDL_SCANCODE_9, '1' )
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else DECLARE_KEY_RANGE( SDL_SCANCODE_F1, SDL_SCANCODE_F12, K_F1 )
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#undef DECLARE_KEY_RANGE
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else
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{
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switch( keynum )
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{
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case SDL_SCANCODE_GRAVE: keynum = '`'; break;
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case SDL_SCANCODE_0: keynum = '0'; break;
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case SDL_SCANCODE_BACKSLASH: keynum = '\\'; break;
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case SDL_SCANCODE_LEFTBRACKET: keynum = '['; break;
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case SDL_SCANCODE_RIGHTBRACKET: keynum = ']'; break;
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case SDL_SCANCODE_EQUALS: keynum = '='; break;
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case SDL_SCANCODE_MINUS: keynum = '-'; break;
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case SDL_SCANCODE_TAB: keynum = K_TAB; break;
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case SDL_SCANCODE_RETURN: keynum = K_ENTER; break;
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case SDL_SCANCODE_ESCAPE: keynum = K_ESCAPE; break;
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case SDL_SCANCODE_SPACE: keynum = K_SPACE; break;
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case SDL_SCANCODE_BACKSPACE: keynum = K_BACKSPACE; break;
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case SDL_SCANCODE_UP: keynum = K_UPARROW; break;
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case SDL_SCANCODE_LEFT: keynum = K_LEFTARROW; break;
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case SDL_SCANCODE_DOWN: keynum = K_DOWNARROW; break;
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case SDL_SCANCODE_RIGHT: keynum = K_RIGHTARROW; break;
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case SDL_SCANCODE_LALT:
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case SDL_SCANCODE_RALT: keynum = K_ALT; break;
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case SDL_SCANCODE_LCTRL:
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case SDL_SCANCODE_RCTRL: keynum = K_CTRL; break;
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case SDL_SCANCODE_LSHIFT:
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case SDL_SCANCODE_RSHIFT: keynum = K_SHIFT; break;
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case SDL_SCANCODE_LGUI:
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case SDL_SCANCODE_RGUI: keynum = K_WIN; break;
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case SDL_SCANCODE_INSERT: keynum = K_INS; break;
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case SDL_SCANCODE_DELETE: keynum = K_DEL; break;
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case SDL_SCANCODE_PAGEDOWN: keynum = K_PGDN; break;
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case SDL_SCANCODE_PAGEUP: keynum = K_PGUP; break;
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case SDL_SCANCODE_HOME: keynum = K_HOME; break;
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case SDL_SCANCODE_END: keynum = K_END; break;
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case SDL_SCANCODE_KP_1: keynum = numLock ? '1' : K_KP_END; break;
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case SDL_SCANCODE_KP_2: keynum = numLock ? '2' : K_KP_DOWNARROW; break;
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case SDL_SCANCODE_KP_3: keynum = numLock ? '3' : K_KP_PGDN; break;
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case SDL_SCANCODE_KP_4: keynum = numLock ? '4' : K_KP_LEFTARROW; break;
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case SDL_SCANCODE_KP_5: keynum = numLock ? '5' : K_KP_5; break;
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case SDL_SCANCODE_KP_6: keynum = numLock ? '6' : K_KP_RIGHTARROW; break;
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case SDL_SCANCODE_KP_7: keynum = numLock ? '7' : K_KP_HOME; break;
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case SDL_SCANCODE_KP_8: keynum = numLock ? '8' : K_KP_UPARROW; break;
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case SDL_SCANCODE_KP_9: keynum = numLock ? '9' : K_KP_PGUP; break;
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case SDL_SCANCODE_KP_0: keynum = numLock ? '0' : K_KP_INS; break;
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case SDL_SCANCODE_KP_PERIOD: keynum = K_KP_DEL; break;
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case SDL_SCANCODE_KP_ENTER: keynum = K_KP_ENTER; break;
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case SDL_SCANCODE_KP_PLUS: keynum = K_KP_PLUS; break;
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case SDL_SCANCODE_KP_MINUS: keynum = K_KP_MINUS; break;
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case SDL_SCANCODE_KP_DIVIDE: keynum = K_KP_SLASH; break;
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case SDL_SCANCODE_KP_MULTIPLY: keynum = '*'; break;
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case SDL_SCANCODE_NUMLOCKCLEAR: keynum = K_KP_NUMLOCK; break;
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case SDL_SCANCODE_CAPSLOCK: keynum = K_CAPSLOCK; break;
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case SDL_SCANCODE_APPLICATION: keynum = K_WIN; break; // (compose key) ???
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case SDL_SCANCODE_SLASH: keynum = '/'; break;
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case SDL_SCANCODE_PERIOD: keynum = '.'; break;
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case SDL_SCANCODE_SEMICOLON: keynum = ';'; break;
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case SDL_SCANCODE_APOSTROPHE: keynum = '\''; break;
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case SDL_SCANCODE_COMMA: keynum = ','; break;
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case SDL_SCANCODE_PRINTSCREEN:
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{
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host.force_draw_version = true;
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host.force_draw_version_time = host.realtime + FORCE_DRAW_VERSION_TIME;
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break;
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}
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// don't console spam on known functional buttons, but not used in engine
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case SDL_SCANCODE_MUTE:
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case SDL_SCANCODE_VOLUMEUP:
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case SDL_SCANCODE_VOLUMEDOWN:
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case SDL_SCANCODE_BRIGHTNESSDOWN:
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case SDL_SCANCODE_BRIGHTNESSUP:
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return;
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case SDL_SCANCODE_UNKNOWN:
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{
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if( down ) Con_Reportf( "SDLash_KeyEvent: Unknown scancode\n" );
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return;
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}
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default:
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if( down ) Con_Reportf( "SDLash_KeyEvent: Unknown key: %s = %i\n", SDL_GetScancodeName( keynum ), keynum );
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return;
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}
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}
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Key_Event( keynum, down );
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}
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/*
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=============
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SDLash_MouseEvent
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=============
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*/
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static void SDLash_MouseEvent( SDL_MouseButtonEvent button )
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{
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int down = button.state != SDL_RELEASED;
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if( in_mouseinitialized && !m_ignore->value && button.which != SDL_TOUCH_MOUSEID )
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{
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Key_Event( K_MOUSE1 - 1 + button.button, down );
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}
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}
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/*
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=============
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SDLash_InputEvent
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=============
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*/
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static void SDLash_InputEvent( SDL_TextInputEvent input )
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{
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char *text;
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for( text = input.text; *text; text++ )
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{
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int ch;
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if( !Q_stricmp( cl_charset->string, "utf-8" ) )
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ch = (unsigned char)*text;
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else
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ch = Con_UtfProcessCharForce( (unsigned char)*text );
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if( !ch )
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continue;
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CL_CharEvent( ch );
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}
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}
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/*
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=============
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SDLash_EventFilter
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=============
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*/
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static void SDLash_EventFilter( SDL_Event *event )
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{
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static int mdown;
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if( wheelbutton )
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{
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Key_Event( wheelbutton, false );
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wheelbutton = 0;
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}
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switch ( event->type )
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{
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/* Mouse events */
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case SDL_MOUSEMOTION:
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if( !host.mouse_visible && event->motion.which != SDL_TOUCH_MOUSEID )
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IN_MouseEvent();
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#ifdef TOUCHEMU
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if( mdown )
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IN_TouchEvent( event_motion, 0,
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event->motion.x/(float)refState.width,
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event->motion.y/(float)refState.height,
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event->motion.xrel/(float)refState.width,
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event->motion.yrel/(float)refState.height );
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SDL_ShowCursor( true );
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#endif
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break;
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case SDL_MOUSEBUTTONUP:
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case SDL_MOUSEBUTTONDOWN:
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#ifdef TOUCHEMU
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mdown = event->button.state != SDL_RELEASED;
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IN_TouchEvent( event_down, 0,
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event->button.x/(float)refState.width,
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event->button.y/(float)refState.height, 0, 0);
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#else
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SDLash_MouseEvent( event->button );
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#endif
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break;
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case SDL_MOUSEWHEEL:
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wheelbutton = event->wheel.y < 0 ? K_MWHEELDOWN : K_MWHEELUP;
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Key_Event( wheelbutton, true );
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break;
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/* Keyboard events */
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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SDLash_KeyEvent( event->key );
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break;
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/* Touch events */
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case SDL_FINGERDOWN:
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case SDL_FINGERUP:
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case SDL_FINGERMOTION:
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{
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static int scale = 0;
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touchEventType type;
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float x, y, dx, dy;
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if( event->type == SDL_FINGERDOWN )
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type = event_down;
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else if( event->type == SDL_FINGERUP )
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type = event_up ;
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else if(event->type == SDL_FINGERMOTION )
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type = event_motion;
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else break;
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/*
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SDL sends coordinates in [0..width],[0..height] values
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on some devices
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*/
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if( !scale )
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{
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if( ( event->tfinger.x > 0 ) && ( event->tfinger.y > 0 ) )
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{
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if( ( event->tfinger.x > 2 ) && ( event->tfinger.y > 2 ) )
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{
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scale = 2;
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Con_Reportf( "SDL reports screen coordinates, workaround enabled!\n");
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}
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else
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{
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scale = 1;
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}
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}
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}
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x = event->tfinger.x;
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y = event->tfinger.y;
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dx = event->tfinger.dx;
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dy = event->tfinger.dy;
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if( scale == 2 )
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{
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x /= (float)refState.width;
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y /= (float)refState.height;
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dx /= (float)refState.width;
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dy /= (float)refState.height;
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}
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// IN_TouchEvent( type, event->tfinger.fingerId, x, y, dx, dy );
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break;
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}
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/* IME */
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case SDL_TEXTINPUT:
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SDLash_InputEvent( event->text );
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break;
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/* Joystick events */
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case SDL_JOYAXISMOTION:
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Joy_AxisMotionEvent( event->jaxis.which, event->jaxis.axis, event->jaxis.value );
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break;
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case SDL_JOYBALLMOTION:
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Joy_BallMotionEvent( event->jball.which, event->jball.ball, event->jball.xrel, event->jball.yrel );
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break;
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case SDL_JOYHATMOTION:
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Joy_HatMotionEvent( event->jhat.which, event->jhat.hat, event->jhat.value );
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break;
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case SDL_JOYBUTTONDOWN:
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case SDL_JOYBUTTONUP:
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Joy_ButtonEvent( event->jbutton.which, event->jbutton.button, event->jbutton.state );
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break;
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case SDL_JOYDEVICEADDED:
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Joy_AddEvent( event->jdevice.which );
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break;
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case SDL_JOYDEVICEREMOVED:
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Joy_RemoveEvent( event->jdevice.which );
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break;
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/* GameController API */
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case SDL_CONTROLLERAXISMOTION:
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if( event->caxis.axis == (Uint8)SDL_CONTROLLER_AXIS_INVALID )
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break;
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// Swap axis to follow default axis binding:
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// LeftX, LeftY, RightX, RightY, TriggerRight, TriggerLeft
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if( event->caxis.axis == SDL_CONTROLLER_AXIS_TRIGGERLEFT )
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event->caxis.axis = SDL_CONTROLLER_AXIS_TRIGGERRIGHT;
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else if( event->caxis.axis == SDL_CONTROLLER_AXIS_TRIGGERRIGHT )
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event->caxis.axis = SDL_CONTROLLER_AXIS_TRIGGERLEFT;
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Joy_AxisMotionEvent( event->caxis.which, event->caxis.axis, event->caxis.value );
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break;
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case SDL_CONTROLLERBUTTONDOWN:
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case SDL_CONTROLLERBUTTONUP:
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{
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static int sdlControllerButtonToEngine[] =
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{
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K_AUX16, // invalid
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K_A_BUTTON, K_B_BUTTON, K_X_BUTTON, K_Y_BUTTON,
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K_BACK_BUTTON, K_MODE_BUTTON, K_START_BUTTON,
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K_LSTICK, K_RSTICK,
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K_L1_BUTTON, K_R1_BUTTON,
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K_UPARROW, K_DOWNARROW, K_LEFTARROW, K_RIGHTARROW
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};
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// TODO: Use joyinput funcs, for future multiple gamepads support
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if( Joy_IsActive() )
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Key_Event( sdlControllerButtonToEngine[event->cbutton.button], event->cbutton.state );
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break;
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}
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case SDL_CONTROLLERDEVICEADDED:
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Joy_AddEvent( event->cdevice.which );
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break;
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case SDL_CONTROLLERDEVICEREMOVED:
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Joy_RemoveEvent( event->cdevice.which );
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break;
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case SDL_QUIT:
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Sys_Quit();
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break;
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case SDL_WINDOWEVENT:
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if( event->window.windowID != SDL_GetWindowID( host.hWnd ) )
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return;
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if( host.status == HOST_SHUTDOWN || Host_IsDedicated() )
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break; // no need to activate
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switch( event->window.event )
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{
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case SDL_WINDOWEVENT_MOVED:
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if( !vid_fullscreen->value )
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{
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Cvar_SetValue( "_window_xpos", (float)event->window.data1 );
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Cvar_SetValue( "_window_ypos", (float)event->window.data1 );
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}
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break;
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case SDL_WINDOWEVENT_MINIMIZED:
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host.status = HOST_SLEEP;
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VID_RestoreScreenResolution( );
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break;
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case SDL_WINDOWEVENT_RESTORED:
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host.status = HOST_FRAME;
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host.force_draw_version = true;
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host.force_draw_version_time = host.realtime + FORCE_DRAW_VERSION_TIME;
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if( vid_fullscreen->value )
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VID_SetMode();
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break;
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case SDL_WINDOWEVENT_FOCUS_GAINED:
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host.status = HOST_FRAME;
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IN_ActivateMouse(true);
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if( snd_mute_losefocus->value )
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{
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SNDDMA_Activate( true );
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}
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host.force_draw_version = true;
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host.force_draw_version_time = host.realtime + FORCE_DRAW_VERSION_TIME;
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if( vid_fullscreen->value )
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VID_SetMode();
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break;
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case SDL_WINDOWEVENT_FOCUS_LOST:
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#if TARGET_OS_IPHONE
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{
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// Keep running if ftp server enabled
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void IOS_StartBackgroundTask( void );
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IOS_StartBackgroundTask();
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}
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#endif
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host.status = HOST_NOFOCUS;
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IN_DeactivateMouse();
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if( snd_mute_losefocus->value )
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{
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SNDDMA_Activate( false );
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}
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host.force_draw_version = true;
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host.force_draw_version_time = host.realtime + 2;
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VID_RestoreScreenResolution();
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break;
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case SDL_WINDOWEVENT_RESIZED:
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case SDL_WINDOWEVENT_MAXIMIZED:
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{
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int w = VID_MIN_WIDTH, h = VID_MIN_HEIGHT;
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if( vid_fullscreen->value )
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break;
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SDL_GL_GetDrawableSize( host.hWnd, &w, &h );
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R_SaveVideoMode( w, h );
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SCR_VidInit(); // tell the client.dll what vid_mode has changed
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break;
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}
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default:
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break;
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}
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}
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}
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/*
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=============
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SDLash_RunEvents
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=============
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*/
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void Platform_RunEvents( void )
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{
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SDL_Event event;
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while( !host.crashed && !host.shutdown_issued && SDL_PollEvent( &event ) )
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SDLash_EventFilter( &event );
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}
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void* Platform_GetNativeObject( const char *name )
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{
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return NULL; // SDL don't have it
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}
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#endif // defined( XASH_SDL ) && !defined( XASH_DEDICATED )
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