src/video/windows/SDL_windowsevents.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 06 Nov 2013 23:59:24 -0800
changeset 7912 10eff60470b3
parent 7911 a9135f92ddba
child 7941 7c249ca44069
permissions -rw-r--r--
Fixed Windows compile error
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_DRIVER_WINDOWS
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#include "SDL_windowsvideo.h"
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#include "SDL_windowsshape.h"
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#include "SDL_syswm.h"
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#include "SDL_vkeys.h"
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#include "../../events/SDL_events_c.h"
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#include "../../events/SDL_touch_c.h"
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#include "../../events/scancodes_windows.h"
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/* Dropfile support */
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#include <shellapi.h>
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/* For GET_X_LPARAM, GET_Y_LPARAM. */
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#include <windowsx.h>
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/* #define WMMSG_DEBUG */
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#ifdef WMMSG_DEBUG
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#include <stdio.h>
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#include "wmmsg.h"
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#endif
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/* Masks for processing the windows KEYDOWN and KEYUP messages */
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#define REPEATED_KEYMASK    (1<<30)
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#define EXTENDED_KEYMASK    (1<<24)
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#define VK_ENTER    10          /* Keypad Enter ... no VKEY defined? */
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#ifndef VK_OEM_NEC_EQUAL
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#define VK_OEM_NEC_EQUAL 0x92
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#endif
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/* Make sure XBUTTON stuff is defined that isn't in older Platform SDKs... */
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#ifndef WM_XBUTTONDOWN
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#define WM_XBUTTONDOWN 0x020B
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#endif
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#ifndef WM_XBUTTONUP
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#define WM_XBUTTONUP 0x020C
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#endif
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#ifndef GET_XBUTTON_WPARAM
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#define GET_XBUTTON_WPARAM(w) (HIWORD(w))
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#endif
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#ifndef WM_INPUT
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#define WM_INPUT 0x00ff
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#endif
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#ifndef WM_TOUCH
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#define WM_TOUCH 0x0240
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#endif
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#ifndef WM_MOUSEHWHEEL
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#define WM_MOUSEHWHEEL 0x020E
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#endif
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static SDL_Scancode
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WindowsScanCodeToSDLScanCode( LPARAM lParam, WPARAM wParam )
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{
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    SDL_Scancode code;
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    char bIsExtended;
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    int nScanCode = ( lParam >> 16 ) & 0xFF;
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    /* 0x45 here to work around both pause and numlock sharing the same scancode, so use the VK key to tell them apart */
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    if ( nScanCode == 0 || nScanCode == 0x45 )
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    {
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        switch( wParam )
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        {
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        case VK_CLEAR: return SDL_SCANCODE_CLEAR;
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        case VK_MODECHANGE: return SDL_SCANCODE_MODE;
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        case VK_SELECT: return SDL_SCANCODE_SELECT;
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        case VK_EXECUTE: return SDL_SCANCODE_EXECUTE;
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        case VK_HELP: return SDL_SCANCODE_HELP;
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        case VK_PAUSE: return SDL_SCANCODE_PAUSE;
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        case VK_NUMLOCK: return SDL_SCANCODE_NUMLOCKCLEAR;
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        case VK_F13: return SDL_SCANCODE_F13;
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        case VK_F14: return SDL_SCANCODE_F14;
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        case VK_F15: return SDL_SCANCODE_F15;
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        case VK_F16: return SDL_SCANCODE_F16;
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        case VK_F17: return SDL_SCANCODE_F17;
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        case VK_F18: return SDL_SCANCODE_F18;
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        case VK_F19: return SDL_SCANCODE_F19;
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        case VK_F20: return SDL_SCANCODE_F20;
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        case VK_F21: return SDL_SCANCODE_F21;
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        case VK_F22: return SDL_SCANCODE_F22;
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        case VK_F23: return SDL_SCANCODE_F23;
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        case VK_F24: return SDL_SCANCODE_F24;
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        case VK_OEM_NEC_EQUAL: return SDL_SCANCODE_KP_EQUALS;
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        case VK_BROWSER_BACK: return SDL_SCANCODE_AC_BACK;
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        case VK_BROWSER_FORWARD: return SDL_SCANCODE_AC_FORWARD;
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        case VK_BROWSER_REFRESH: return SDL_SCANCODE_AC_REFRESH;
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        case VK_BROWSER_STOP: return SDL_SCANCODE_AC_STOP;
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        case VK_BROWSER_SEARCH: return SDL_SCANCODE_AC_SEARCH;
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        case VK_BROWSER_FAVORITES: return SDL_SCANCODE_AC_BOOKMARKS;
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        case VK_BROWSER_HOME: return SDL_SCANCODE_AC_HOME;
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        case VK_VOLUME_MUTE: return SDL_SCANCODE_AUDIOMUTE;
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        case VK_VOLUME_DOWN: return SDL_SCANCODE_VOLUMEDOWN;
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        case VK_VOLUME_UP: return SDL_SCANCODE_VOLUMEUP;
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        case VK_MEDIA_NEXT_TRACK: return SDL_SCANCODE_AUDIONEXT;
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        case VK_MEDIA_PREV_TRACK: return SDL_SCANCODE_AUDIOPREV;
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        case VK_MEDIA_STOP: return SDL_SCANCODE_AUDIOSTOP;
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        case VK_MEDIA_PLAY_PAUSE: return SDL_SCANCODE_AUDIOPLAY;
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        case VK_LAUNCH_MAIL: return SDL_SCANCODE_MAIL;
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        case VK_LAUNCH_MEDIA_SELECT: return SDL_SCANCODE_MEDIASELECT;
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        case VK_OEM_102: return SDL_SCANCODE_NONUSBACKSLASH;
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        case VK_ATTN: return SDL_SCANCODE_SYSREQ;
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        case VK_CRSEL: return SDL_SCANCODE_CRSEL;
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        case VK_EXSEL: return SDL_SCANCODE_EXSEL;
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        case VK_OEM_CLEAR: return SDL_SCANCODE_CLEAR;
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        case VK_LAUNCH_APP1: return SDL_SCANCODE_APP1;
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        case VK_LAUNCH_APP2: return SDL_SCANCODE_APP2;
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        default: return SDL_SCANCODE_UNKNOWN;
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        }
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    }
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    if ( nScanCode > 127 )
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        return SDL_SCANCODE_UNKNOWN;
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    code = windows_scancode_table[nScanCode];
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    bIsExtended = ( lParam & ( 1 << 24 ) ) != 0;
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    if ( !bIsExtended )
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    {
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        switch ( code )
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        {
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        case SDL_SCANCODE_HOME:
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            return SDL_SCANCODE_KP_7;
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        case SDL_SCANCODE_UP:
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            return SDL_SCANCODE_KP_8;
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        case SDL_SCANCODE_PAGEUP:
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            return SDL_SCANCODE_KP_9;
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        case SDL_SCANCODE_LEFT:
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            return SDL_SCANCODE_KP_4;
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        case SDL_SCANCODE_RIGHT:
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            return SDL_SCANCODE_KP_6;
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        case SDL_SCANCODE_END:
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            return SDL_SCANCODE_KP_1;
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        case SDL_SCANCODE_DOWN:
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            return SDL_SCANCODE_KP_2;
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        case SDL_SCANCODE_PAGEDOWN:
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            return SDL_SCANCODE_KP_3;
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        case SDL_SCANCODE_INSERT:
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            return SDL_SCANCODE_KP_0;
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        case SDL_SCANCODE_DELETE:
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            return SDL_SCANCODE_KP_PERIOD;
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        case SDL_SCANCODE_PRINTSCREEN:
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            return SDL_SCANCODE_KP_MULTIPLY;
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        default:
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            break;
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        }
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    }
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    else
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    {
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        switch ( code )
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        {
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        case SDL_SCANCODE_RETURN:
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            return SDL_SCANCODE_KP_ENTER;
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        case SDL_SCANCODE_LALT:
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            return SDL_SCANCODE_RALT;
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        case SDL_SCANCODE_LCTRL:
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            return SDL_SCANCODE_RCTRL;
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        case SDL_SCANCODE_SLASH:
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            return SDL_SCANCODE_KP_DIVIDE;
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        case SDL_SCANCODE_CAPSLOCK:
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            return SDL_SCANCODE_KP_PLUS;
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        default:
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            break;
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        }
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    }
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    return code;
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}
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void
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WIN_CheckWParamMouseButton( SDL_bool bwParamMousePressed, SDL_bool bSDLMousePressed, SDL_WindowData *data, Uint8 button )
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{
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    if ( bwParamMousePressed && !bSDLMousePressed )
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    {
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        SDL_SendMouseButton(data->window, 0, SDL_PRESSED, button);
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    }
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    else if ( !bwParamMousePressed && bSDLMousePressed )
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    {
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        SDL_SendMouseButton(data->window, 0, SDL_RELEASED, button);
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    }
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}
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/*
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* Some windows systems fail to send a WM_LBUTTONDOWN sometimes, but each mouse move contains the current button state also
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*  so this funciton reconciles our view of the world with the current buttons reported by windows
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*/
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void
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WIN_CheckWParamMouseButtons( WPARAM wParam, SDL_WindowData *data )
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{
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    if ( wParam != data->mouse_button_flags )
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    {
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        Uint32 mouseFlags = SDL_GetMouseState( NULL, NULL );
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        WIN_CheckWParamMouseButton(  (wParam & MK_LBUTTON), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT );
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        WIN_CheckWParamMouseButton(  (wParam & MK_MBUTTON), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE );
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        WIN_CheckWParamMouseButton(  (wParam & MK_RBUTTON), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT );
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        WIN_CheckWParamMouseButton(  (wParam & MK_XBUTTON1), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1 );
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        WIN_CheckWParamMouseButton(  (wParam & MK_XBUTTON2), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2 );
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        data->mouse_button_flags = wParam;
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    }
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}
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void
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WIN_CheckRawMouseButtons( ULONG rawButtons, SDL_WindowData *data )
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{
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    if ( rawButtons != data->mouse_button_flags )
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    {
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        Uint32 mouseFlags = SDL_GetMouseState( NULL, NULL );
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        if ( (rawButtons & RI_MOUSE_BUTTON_1_DOWN) )
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            WIN_CheckWParamMouseButton(  (rawButtons & RI_MOUSE_BUTTON_1_DOWN), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT );
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        if ( (rawButtons & RI_MOUSE_BUTTON_1_UP) )
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            WIN_CheckWParamMouseButton(  !(rawButtons & RI_MOUSE_BUTTON_1_UP), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT );
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        if ( (rawButtons & RI_MOUSE_BUTTON_2_DOWN) )
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            WIN_CheckWParamMouseButton(  (rawButtons & RI_MOUSE_BUTTON_2_DOWN), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT );
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        if ( (rawButtons & RI_MOUSE_BUTTON_2_UP) )
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            WIN_CheckWParamMouseButton(  !(rawButtons & RI_MOUSE_BUTTON_2_UP), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT );
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        if ( (rawButtons & RI_MOUSE_BUTTON_3_DOWN) )
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            WIN_CheckWParamMouseButton(  (rawButtons & RI_MOUSE_BUTTON_3_DOWN), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE );
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        if ( (rawButtons & RI_MOUSE_BUTTON_3_UP) )
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            WIN_CheckWParamMouseButton(  !(rawButtons & RI_MOUSE_BUTTON_3_UP), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE );
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        if ( (rawButtons & RI_MOUSE_BUTTON_4_DOWN) )
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            WIN_CheckWParamMouseButton(  (rawButtons & RI_MOUSE_BUTTON_4_DOWN), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1 );
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        if ( (rawButtons & RI_MOUSE_BUTTON_4_UP) )
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            WIN_CheckWParamMouseButton(  !(rawButtons & RI_MOUSE_BUTTON_4_UP), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1 );
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        if ( (rawButtons & RI_MOUSE_BUTTON_5_DOWN) )
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            WIN_CheckWParamMouseButton(  (rawButtons & RI_MOUSE_BUTTON_5_DOWN), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2 );
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        if ( (rawButtons & RI_MOUSE_BUTTON_5_UP) )
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            WIN_CheckWParamMouseButton(  !(rawButtons & RI_MOUSE_BUTTON_5_UP), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2 );
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        data->mouse_button_flags = rawButtons;
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    }
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}
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SDL_FORCE_INLINE BOOL
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WIN_ConvertUTF32toUTF8(UINT32 codepoint, char * text)
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{
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    if (codepoint <= 0x7F) {
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        text[0] = (char) codepoint;
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        text[1] = '\0';
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    } else if (codepoint <= 0x7FF) {
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        text[0] = 0xC0 | (char) ((codepoint >> 6) & 0x1F);
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        text[1] = 0x80 | (char) (codepoint & 0x3F);
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        text[2] = '\0';
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    } else if (codepoint <= 0xFFFF) {
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        text[0] = 0xE0 | (char) ((codepoint >> 12) & 0x0F);
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        text[1] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
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        text[2] = 0x80 | (char) (codepoint & 0x3F);
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        text[3] = '\0';
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    } else if (codepoint <= 0x10FFFF) {
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        text[0] = 0xF0 | (char) ((codepoint >> 18) & 0x0F);
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        text[1] = 0x80 | (char) ((codepoint >> 12) & 0x3F);
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        text[2] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
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        text[3] = 0x80 | (char) (codepoint & 0x3F);
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        text[4] = '\0';
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    } else {
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        return SDL_FALSE;
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    }
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    return SDL_TRUE;
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}
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LRESULT CALLBACK
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WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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    SDL_WindowData *data;
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    LRESULT returnCode = -1;
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    /* Send a SDL_SYSWMEVENT if the application wants them */
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    if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
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        SDL_SysWMmsg wmmsg;
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        SDL_VERSION(&wmmsg.version);
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        wmmsg.subsystem = SDL_SYSWM_WINDOWS;
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        wmmsg.msg.win.hwnd = hwnd;
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        wmmsg.msg.win.msg = msg;
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        wmmsg.msg.win.wParam = wParam;
slouken@5056
   304
        wmmsg.msg.win.lParam = lParam;
slouken@1951
   305
        SDL_SendSysWMEvent(&wmmsg);
slouken@1951
   306
    }
slouken@1951
   307
slouken@1895
   308
    /* Get the window data for the window */
slouken@1895
   309
    data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
slouken@1895
   310
    if (!data) {
slouken@1895
   311
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@1895
   312
    }
jimtla@4650
   313
slouken@1895
   314
#ifdef WMMSG_DEBUG
slouken@7816
   315
	{
slouken@7816
   316
		char message[1024];
slouken@7816
   317
		if (msg > MAX_WMMSG) {
slouken@7816
   318
			SDL_snprintf(message, sizeof(message), "Received windows message: %p UNKNOWN (%d) -- 0x%X, 0x%X\n", hwnd, msg, wParam, lParam);
slouken@7816
   319
		} else {
slouken@7816
   320
			SDL_snprintf(message, sizeof(message), "Received windows message: %p %s -- 0x%X, 0x%X\n", hwnd, wmtab[msg], wParam, lParam);
slouken@7816
   321
		}
slouken@7816
   322
		OutputDebugStringA(message);
slouken@7816
   323
	}
slouken@7816
   324
#endif /* WMMSG_DEBUG */
slouken@2710
   325
dewyatt@4752
   326
    if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata))
dewyatt@4752
   327
        return 0;
slouken@1895
   328
slouken@1895
   329
    switch (msg) {
slouken@1895
   330
slouken@1895
   331
    case WM_SHOWWINDOW:
slouken@1895
   332
        {
slouken@1895
   333
            if (wParam) {
slouken@3685
   334
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
   335
            } else {
slouken@3685
   336
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
   337
            }
slouken@1895
   338
        }
slouken@1895
   339
        break;
slouken@1895
   340
slouken@1895
   341
    case WM_ACTIVATE:
slouken@1895
   342
        {
slouken@1895
   343
            BOOL minimized;
slouken@1895
   344
slouken@1895
   345
            minimized = HIWORD(wParam);
slouken@1895
   346
            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
slouken@7191
   347
                Uint32 mouseFlags;
slouken@7191
   348
                SHORT keyState;
slouken@6945
   349
slouken@3685
   350
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@3685
   351
                SDL_SendWindowEvent(data->window,
slouken@1895
   352
                                    SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
   353
                if (IsZoomed(hwnd)) {
slouken@3685
   354
                    SDL_SendWindowEvent(data->window,
slouken@1895
   355
                                        SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
   356
                }
slouken@4465
   357
                if (SDL_GetKeyboardFocus() != data->window) {
slouken@4465
   358
                    SDL_SetKeyboardFocus(data->window);
slouken@1895
   359
                }
slouken@7191
   360
                /* mouse buttons may have changed state here, we need
slouken@7191
   361
                to resync them, but we will get a WM_MOUSEMOVE right away which will fix
slouken@7191
   362
                things up if in non raw mode also
slouken@7191
   363
                */
slouken@7191
   364
                mouseFlags = SDL_GetMouseState( NULL, NULL );
slouken@6945
   365
slouken@7191
   366
                keyState = GetAsyncKeyState( VK_LBUTTON );
slouken@7191
   367
                WIN_CheckWParamMouseButton( ( keyState & 0x8000 ), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT );
slouken@7191
   368
                keyState = GetAsyncKeyState( VK_RBUTTON );
slouken@7191
   369
                WIN_CheckWParamMouseButton( ( keyState & 0x8000 ), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT );
slouken@7191
   370
                keyState = GetAsyncKeyState( VK_MBUTTON );
slouken@7191
   371
                WIN_CheckWParamMouseButton( ( keyState & 0x8000 ), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE );
slouken@7191
   372
                keyState = GetAsyncKeyState( VK_XBUTTON1 );
slouken@7191
   373
                WIN_CheckWParamMouseButton( ( keyState & 0x8000 ), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1 );
slouken@7191
   374
                keyState = GetAsyncKeyState( VK_XBUTTON2 );
slouken@7191
   375
                WIN_CheckWParamMouseButton( ( keyState & 0x8000 ), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2 );
slouken@7191
   376
                data->mouse_button_flags = 0;
slouken@6350
   377
slouken@7191
   378
                if(SDL_GetMouse()->relative_mode) {
slouken@7191
   379
                    LONG cx, cy;
slouken@7191
   380
                    RECT rect;
slouken@7191
   381
                    GetWindowRect(hwnd, &rect);
slouken@6350
   382
slouken@7191
   383
                    cx = (rect.left + rect.right) / 2;
slouken@7191
   384
                    cy = (rect.top + rect.bottom) / 2;
slouken@6350
   385
slouken@7191
   386
                    /* Make an absurdly small clip rect */
slouken@7191
   387
                    rect.left = cx-1;
slouken@7191
   388
                    rect.right = cx+1;
slouken@7191
   389
                    rect.top = cy-1;
slouken@7191
   390
                    rect.bottom = cy+1;
slouken@6350
   391
slouken@7191
   392
                    ClipCursor(&rect);
slouken@7191
   393
                }
slouken@6350
   394
slouken@4504
   395
                /*
slouken@4504
   396
                 * FIXME: Update keyboard state
slouken@4504
   397
                 */
slouken@4504
   398
                WIN_CheckClipboardUpdate(data->videodata);
slouken@1895
   399
            } else {
slouken@4465
   400
                if (SDL_GetKeyboardFocus() == data->window) {
slouken@4465
   401
                    SDL_SetKeyboardFocus(NULL);
slouken@1895
   402
                }
slouken@1895
   403
                if (minimized) {
slouken@3685
   404
                    SDL_SendWindowEvent(data->window,
slouken@1895
   405
                                        SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
   406
                }
slouken@1895
   407
            }
slouken@1895
   408
        }
slouken@3566
   409
        returnCode = 0;
slouken@3566
   410
        break;
slouken@1895
   411
slouken@7191
   412
    case WM_MOUSEMOVE:
slouken@7191
   413
        if( !SDL_GetMouse()->relative_mode )
jorgen@7276
   414
            SDL_SendMouseMotion(data->window, 0, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
slouken@7191
   415
        /* don't break here, fall through to check the wParam like the button presses */
slouken@7191
   416
    case WM_LBUTTONUP:
slouken@7191
   417
    case WM_RBUTTONUP:
slouken@7191
   418
    case WM_MBUTTONUP:
slouken@7191
   419
    case WM_XBUTTONUP:
slouken@7191
   420
    case WM_LBUTTONDOWN:
slouken@7191
   421
    case WM_RBUTTONDOWN:
slouken@7191
   422
    case WM_MBUTTONDOWN:
slouken@7191
   423
    case WM_XBUTTONDOWN:
slouken@7191
   424
        if( !SDL_GetMouse()->relative_mode )
slouken@7191
   425
            WIN_CheckWParamMouseButtons( wParam, data );
slouken@7191
   426
        break;
slouken@3139
   427
slouken@7191
   428
    case WM_INPUT:
slouken@7191
   429
    {
slouken@7191
   430
        HRAWINPUT hRawInput = (HRAWINPUT)lParam;
slouken@7191
   431
        RAWINPUT inp;
slouken@7191
   432
        UINT size = sizeof(inp);
slouken@6782
   433
slouken@7191
   434
        if(!SDL_GetMouse()->relative_mode)
slouken@7191
   435
            break;
slouken@6782
   436
slouken@7191
   437
        GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
slouken@6350
   438
slouken@7191
   439
        /* Mouse data */
slouken@7191
   440
        if(inp.header.dwType == RIM_TYPEMOUSE)
slouken@7191
   441
        {
slouken@7191
   442
            RAWMOUSE* mouse = &inp.data.mouse;
slouken@6350
   443
slouken@7191
   444
            if((mouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE)
slouken@7191
   445
            {
slouken@7191
   446
                SDL_SendMouseMotion(data->window, 0, 1, (int)mouse->lLastX, (int)mouse->lLastY);
slouken@7191
   447
            }
slouken@7191
   448
            else
slouken@7191
   449
            {
slouken@7191
   450
                /* synthesize relative moves from the abs position */
slouken@7191
   451
                static SDL_Point initialMousePoint;
slouken@7191
   452
                if ( initialMousePoint.x == 0 && initialMousePoint.y == 0 )
slouken@7191
   453
                {
slouken@7191
   454
                    initialMousePoint.x = mouse->lLastX;
slouken@7191
   455
                    initialMousePoint.y = mouse->lLastY;
slouken@7191
   456
                }
slouken@6350
   457
slouken@7191
   458
                SDL_SendMouseMotion(data->window, 0, 1, (int)(mouse->lLastX-initialMousePoint.x), (int)(mouse->lLastY-initialMousePoint.y) );
slouken@6782
   459
slouken@7191
   460
                initialMousePoint.x = mouse->lLastX;
slouken@7191
   461
                initialMousePoint.y = mouse->lLastY;
slouken@7191
   462
            }
slouken@7191
   463
            WIN_CheckRawMouseButtons( mouse->usButtonFlags, data );
slouken@7191
   464
        }
slouken@7191
   465
        break;
slouken@7191
   466
    }
slouken@6350
   467
slouken@5049
   468
    case WM_MOUSEWHEEL:
slouken@5049
   469
        {
slouken@7813
   470
            static short s_AccumulatedMotion;
slouken@5049
   471
slouken@7813
   472
            s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
slouken@7813
   473
            if (s_AccumulatedMotion > 0) {
slouken@7813
   474
                while (s_AccumulatedMotion >= WHEEL_DELTA) {
slouken@7813
   475
                    SDL_SendMouseWheel(data->window, 0, 0, 1);
slouken@7813
   476
                    s_AccumulatedMotion -= WHEEL_DELTA;
slouken@7813
   477
                }
slouken@7813
   478
            } else {
slouken@7813
   479
                while (s_AccumulatedMotion <= -WHEEL_DELTA) {
slouken@7813
   480
                    SDL_SendMouseWheel(data->window, 0, 0, -1);
slouken@7813
   481
                    s_AccumulatedMotion += WHEEL_DELTA;
slouken@7813
   482
                }
slouken@7813
   483
            }
slouken@5049
   484
            break;
slouken@5049
   485
        }
slouken@5049
   486
slouken@7911
   487
    case WM_MOUSEHWHEEL:
slouken@7911
   488
        {
slouken@7911
   489
            static short s_AccumulatedMotion;
slouken@7911
   490
slouken@7911
   491
            s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
slouken@7911
   492
            if (s_AccumulatedMotion > 0) {
slouken@7911
   493
                while (s_AccumulatedMotion >= WHEEL_DELTA) {
slouken@7912
   494
                    SDL_SendMouseWheel(data->window, 0, 1, 0);
slouken@7911
   495
                    s_AccumulatedMotion -= WHEEL_DELTA;
slouken@7911
   496
                }
slouken@7911
   497
            } else {
slouken@7911
   498
                while (s_AccumulatedMotion <= -WHEEL_DELTA) {
slouken@7912
   499
                    SDL_SendMouseWheel(data->window, 0, -1, 0);
slouken@7911
   500
                    s_AccumulatedMotion += WHEEL_DELTA;
slouken@7911
   501
                }
slouken@7911
   502
            }
slouken@7911
   503
            break;
slouken@7911
   504
        }
slouken@7911
   505
slouken@5086
   506
#ifdef WM_MOUSELEAVE
slouken@1895
   507
    case WM_MOUSELEAVE:
jorgen@7275
   508
        if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode) {
jorgen@7275
   509
            POINT cursorPos;
jorgen@7275
   510
            GetCursorPos(&cursorPos);
jorgen@7275
   511
            ScreenToClient(hwnd, &cursorPos);
jorgen@7275
   512
            SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
slouken@7191
   513
            SDL_SetMouseFocus(NULL);
slouken@1895
   514
        }
slouken@3566
   515
        returnCode = 0;
slouken@3566
   516
        break;
slouken@5086
   517
#endif /* WM_MOUSELEAVE */
slouken@1895
   518
slouken@7645
   519
    case WM_KEYDOWN:
slouken@7646
   520
    case WM_SYSKEYDOWN:
slouken@7645
   521
        {
slouken@7646
   522
            SDL_Scancode code = WindowsScanCodeToSDLScanCode( lParam, wParam );
slouken@7646
   523
            if ( code != SDL_SCANCODE_UNKNOWN ) {
slouken@7646
   524
                SDL_SendKeyboardKey(SDL_PRESSED, code );
slouken@7646
   525
            }
slouken@7646
   526
        }
slouken@7646
   527
        if (msg == WM_KEYDOWN) {
slouken@7645
   528
            BYTE keyboardState[256];
slouken@7645
   529
            char text[5];
slouken@7645
   530
            UINT32 utf32 = 0;
slouken@7645
   531
slouken@7645
   532
            GetKeyboardState(keyboardState);
slouken@7645
   533
            if (ToUnicode(wParam, (lParam >> 16) & 0xff, keyboardState, (LPWSTR)&utf32, 1, 0) > 0) {
slouken@7645
   534
                WORD repitition;
slouken@7645
   535
                for (repitition = lParam & 0xffff; repitition > 0; repitition--) {
slouken@7645
   536
                    WIN_ConvertUTF32toUTF8(utf32, text);
slouken@7645
   537
                    SDL_SendKeyboardText(text);
slouken@7645
   538
                }
slouken@7645
   539
            }
slouken@7645
   540
        }
slouken@3566
   541
        returnCode = 0;
slouken@3566
   542
        break;
slouken@1895
   543
slouken@1895
   544
    case WM_SYSKEYUP:
slouken@1895
   545
    case WM_KEYUP:
slouken@1895
   546
        {
slouken@6938
   547
            SDL_Scancode code = WindowsScanCodeToSDLScanCode( lParam, wParam );
slouken@6938
   548
            if ( code != SDL_SCANCODE_UNKNOWN ) {
slouken@6938
   549
                if (code == SDL_SCANCODE_PRINTSCREEN &&
slouken@6938
   550
                    SDL_GetKeyboardState(NULL)[code] == SDL_RELEASED) {
slouken@6938
   551
                    SDL_SendKeyboardKey(SDL_PRESSED, code);
slouken@6938
   552
                }
slouken@6938
   553
                SDL_SendKeyboardKey(SDL_RELEASED, code);
slouken@2308
   554
            }
slouken@1895
   555
        }
slouken@3566
   556
        returnCode = 0;
slouken@3566
   557
        break;
slouken@1895
   558
slouken@7645
   559
    case WM_UNICHAR:
slouken@7645
   560
        {
slouken@7645
   561
            if (wParam == UNICODE_NOCHAR) {
slouken@7645
   562
                returnCode = 1;
slouken@7645
   563
                break;
slouken@7645
   564
            }
slouken@7645
   565
        }
gabomdq@7663
   566
        /* no break */
slouken@2309
   567
    case WM_CHAR:
slouken@2309
   568
        {
slouken@7645
   569
            char text[5];
slouken@2309
   570
slouken@7645
   571
            WIN_ConvertUTF32toUTF8(wParam, text);
slouken@4465
   572
            SDL_SendKeyboardText(text);
slouken@2309
   573
        }
slouken@3566
   574
        returnCode = 0;
slouken@3566
   575
        break;
slouken@2309
   576
slouken@5086
   577
#ifdef WM_INPUTLANGCHANGE
slouken@2311
   578
    case WM_INPUTLANGCHANGE:
slouken@2311
   579
        {
slouken@4465
   580
            WIN_UpdateKeymap();
slouken@2311
   581
        }
slouken@3566
   582
        returnCode = 1;
slouken@3566
   583
        break;
slouken@5086
   584
#endif /* WM_INPUTLANGCHANGE */
slouken@2311
   585
slouken@5086
   586
#ifdef WM_GETMINMAXINFO
slouken@1895
   587
    case WM_GETMINMAXINFO:
slouken@1895
   588
        {
slouken@1895
   589
            MINMAXINFO *info;
slouken@1895
   590
            RECT size;
slouken@1895
   591
            int x, y;
slouken@1895
   592
            int w, h;
stopiccot@6682
   593
            int min_w, min_h;
slouken@6788
   594
            int max_w, max_h;
slouken@1895
   595
            int style;
slouken@3168
   596
            BOOL menu;
slouken@7191
   597
            BOOL constrain_max_size;
slouken@1895
   598
slouken@1895
   599
            /* If we allow resizing, let the resize happen naturally */
stopiccot@6682
   600
            if (SDL_IsShapedWindow(data->window))
eligottlieb@4815
   601
                Win32_ResizeWindowShape(data->window);
slouken@1895
   602
slouken@1895
   603
            /* Get the current position of our window */
slouken@1895
   604
            GetWindowRect(hwnd, &size);
slouken@1895
   605
            x = size.left;
slouken@1895
   606
            y = size.top;
slouken@1895
   607
slouken@1895
   608
            /* Calculate current size of our window */
slouken@3685
   609
            SDL_GetWindowSize(data->window, &w, &h);
stopiccot@6682
   610
            SDL_GetWindowMinimumSize(data->window, &min_w, &min_h);
slouken@6788
   611
            SDL_GetWindowMaximumSize(data->window, &max_w, &max_h);
stopiccot@6682
   612
slouken@7191
   613
            /* Store in min_w and min_h difference between current size and minimal
stopiccot@6682
   614
               size so we don't need to call AdjustWindowRectEx twice */
stopiccot@6682
   615
            min_w -= w;
stopiccot@6682
   616
            min_h -= h;
slouken@6837
   617
            if (max_w && max_h) {
slouken@6837
   618
                max_w -= w;
slouken@6837
   619
                max_h -= h;
slouken@6862
   620
                constrain_max_size = TRUE;
slouken@6862
   621
            } else {
slouken@6862
   622
                constrain_max_size = FALSE;
slouken@6837
   623
            }
stopiccot@6682
   624
slouken@1895
   625
            size.top = 0;
slouken@1895
   626
            size.left = 0;
slouken@1895
   627
            size.bottom = h;
slouken@1895
   628
            size.right = w;
slouken@1895
   629
slouken@3168
   630
            style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   631
            /* DJM - according to the docs for GetMenu(), the
slouken@1895
   632
               return value is undefined if hwnd is a child window.
slouken@1895
   633
               Aparently it's too difficult for MS to check
slouken@1895
   634
               inside their function, so I have to do it here.
slouken@1895
   635
             */
slouken@3168
   636
            menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   637
            AdjustWindowRectEx(&size, style, menu, 0);
slouken@1895
   638
            w = size.right - size.left;
slouken@1895
   639
            h = size.bottom - size.top;
slouken@1895
   640
slouken@1895
   641
            /* Fix our size to the current size */
slouken@1895
   642
            info = (MINMAXINFO *) lParam;
stopiccot@6682
   643
            if (SDL_GetWindowFlags(data->window) & SDL_WINDOW_RESIZABLE) {
stopiccot@6682
   644
                info->ptMinTrackSize.x = w + min_w;
stopiccot@6682
   645
                info->ptMinTrackSize.y = h + min_h;
slouken@6862
   646
                if (constrain_max_size) {
slouken@6862
   647
                    info->ptMaxTrackSize.x = w + max_w;
slouken@6862
   648
                    info->ptMaxTrackSize.y = h + max_h;
slouken@6862
   649
                }
stopiccot@6682
   650
            } else {
stopiccot@6682
   651
                info->ptMaxSize.x = w;
stopiccot@6682
   652
                info->ptMaxSize.y = h;
stopiccot@6682
   653
                info->ptMaxPosition.x = x;
stopiccot@6682
   654
                info->ptMaxPosition.y = y;
stopiccot@6682
   655
                info->ptMinTrackSize.x = w;
stopiccot@6682
   656
                info->ptMinTrackSize.y = h;
stopiccot@6682
   657
                info->ptMaxTrackSize.x = w;
stopiccot@6682
   658
                info->ptMaxTrackSize.y = h;
stopiccot@6682
   659
            }
slouken@1895
   660
        }
slouken@3566
   661
        returnCode = 0;
slouken@3566
   662
        break;
slouken@5086
   663
#endif /* WM_GETMINMAXINFO */
slouken@1895
   664
slouken@1895
   665
    case WM_WINDOWPOSCHANGED:
slouken@1895
   666
        {
slouken@1895
   667
            RECT rect;
slouken@1895
   668
            int x, y;
slouken@1895
   669
            int w, h;
slouken@1895
   670
            Uint32 window_flags;
slouken@1895
   671
slouken@3256
   672
            if (!GetClientRect(hwnd, &rect) ||
slouken@3256
   673
                (rect.right == rect.left && rect.bottom == rect.top)) {
slouken@3256
   674
                break;
slouken@3256
   675
            }
slouken@1895
   676
            ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   677
            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   678
slouken@3685
   679
            window_flags = SDL_GetWindowFlags(data->window);
slouken@1895
   680
            if ((window_flags & SDL_WINDOW_INPUT_GRABBED) &&
slouken@1895
   681
                (window_flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@1895
   682
                ClipCursor(&rect);
slouken@1895
   683
            }
slouken@1895
   684
slouken@1895
   685
            x = rect.left;
slouken@1895
   686
            y = rect.top;
slouken@3685
   687
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@1895
   688
slouken@1895
   689
            w = rect.right - rect.left;
slouken@1895
   690
            h = rect.bottom - rect.top;
slouken@3685
   691
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, w,
slouken@1895
   692
                                h);
slouken@1895
   693
        }
slouken@1895
   694
        break;
slouken@1895
   695
slouken@1895
   696
    case WM_SETCURSOR:
slouken@1895
   697
        {
slouken@3076
   698
            Uint16 hittest;
slouken@1895
   699
slouken@3076
   700
            hittest = LOWORD(lParam);
slouken@3076
   701
            if (hittest == HTCLIENT) {
slouken@5421
   702
                SetCursor(SDL_cursor);
slouken@3566
   703
                returnCode = TRUE;
slouken@3076
   704
            }
slouken@1895
   705
        }
slouken@1895
   706
        break;
slouken@1895
   707
slouken@1895
   708
        /* We were occluded, refresh our display */
slouken@1895
   709
    case WM_PAINT:
slouken@1895
   710
        {
slouken@1895
   711
            RECT rect;
slouken@1895
   712
            if (GetUpdateRect(hwnd, &rect, FALSE)) {
slouken@7295
   713
                ValidateRect(hwnd, NULL);
slouken@3685
   714
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED,
slouken@1895
   715
                                    0, 0);
slouken@1895
   716
            }
slouken@1895
   717
        }
slouken@3566
   718
        returnCode = 0;
slouken@3566
   719
        break;
slouken@3095
   720
slouken@1895
   721
        /* We'll do our own drawing, prevent flicker */
slouken@1895
   722
    case WM_ERASEBKGND:
slouken@1895
   723
        {
slouken@1895
   724
        }
slouken@1895
   725
        return (1);
slouken@1895
   726
slouken@5086
   727
#if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
slouken@1895
   728
    case WM_SYSCOMMAND:
slouken@1895
   729
        {
slouken@1895
   730
            /* Don't start the screensaver or blank the monitor in fullscreen apps */
slouken@1895
   731
            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
slouken@1895
   732
                (wParam & 0xFFF0) == SC_MONITORPOWER) {
slouken@3032
   733
                if (SDL_GetVideoDevice()->suspend_screensaver) {
slouken@1895
   734
                    return (0);
slouken@1895
   735
                }
slouken@1895
   736
            }
slouken@1895
   737
        }
slouken@1895
   738
        break;
slouken@5086
   739
#endif /* System has screensaver support */
slouken@1895
   740
slouken@1895
   741
    case WM_CLOSE:
slouken@1895
   742
        {
slouken@3685
   743
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
slouken@1895
   744
        }
slouken@3566
   745
        returnCode = 0;
slouken@3566
   746
        break;
slouken@4919
   747
slouken@7191
   748
    case WM_TOUCH:
slouken@7191
   749
        {
slouken@7191
   750
            UINT i, num_inputs = LOWORD(wParam);
slouken@7191
   751
            PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs);
slouken@7191
   752
            if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
slouken@7191
   753
                RECT rect;
slouken@7191
   754
                float x, y;
slouken@4919
   755
slouken@7191
   756
                if (!GetClientRect(hwnd, &rect) ||
slouken@7191
   757
                    (rect.right == rect.left && rect.bottom == rect.top)) {
philipp@7631
   758
                    if (inputs) {
philipp@7631
   759
                        SDL_stack_free(inputs);
philipp@7631
   760
                    }
slouken@7191
   761
                    break;
slouken@7191
   762
                }
slouken@7191
   763
                ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@7191
   764
                ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@7191
   765
                rect.top *= 100;
slouken@7191
   766
                rect.left *= 100;
slouken@7191
   767
                rect.bottom *= 100;
slouken@7191
   768
                rect.right *= 100;
slouken@4932
   769
slouken@7191
   770
                for (i = 0; i < num_inputs; ++i) {
slouken@7191
   771
                    PTOUCHINPUT input = &inputs[i];
slouken@4919
   772
icculus@7543
   773
                    const SDL_TouchID touchId = (SDL_TouchID)((size_t)input->hSource);
slouken@7191
   774
                    if (!SDL_GetTouch(touchId)) {
slouken@7191
   775
                        if (SDL_AddTouch(touchId, "") < 0) {
slouken@7191
   776
                            continue;
slouken@7191
   777
                        }
slouken@7191
   778
                    }
slouken@4932
   779
slouken@7191
   780
                    /* Get the normalized coordinates for the window */
slouken@7191
   781
                    x = (float)(input->x - rect.left)/(rect.right - rect.left);
slouken@7191
   782
                    y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
slouken@4932
   783
slouken@7191
   784
                    if (input->dwFlags & TOUCHEVENTF_DOWN) {
slouken@7191
   785
                        SDL_SendTouch(touchId, input->dwID, SDL_TRUE, x, y, 1.0f);
slouken@7191
   786
                    }
slouken@7191
   787
                    if (input->dwFlags & TOUCHEVENTF_MOVE) {
slouken@7191
   788
                        SDL_SendTouchMotion(touchId, input->dwID, x, y, 1.0f);
slouken@7191
   789
                    }
slouken@7191
   790
                    if (input->dwFlags & TOUCHEVENTF_UP) {
slouken@7191
   791
                        SDL_SendTouch(touchId, input->dwID, SDL_FALSE, x, y, 1.0f);
slouken@7191
   792
                    }
slouken@7191
   793
                }
slouken@7191
   794
            }
slouken@7191
   795
            SDL_stack_free(inputs);
slouken@4932
   796
slouken@7191
   797
            data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
slouken@7191
   798
            return 0;
slouken@7191
   799
        }
slouken@7191
   800
        break;
slouken@6523
   801
slouken@6523
   802
    case WM_DROPFILES:
slouken@6523
   803
        {
slouken@6523
   804
            UINT i;
slouken@6523
   805
            HDROP drop = (HDROP) wParam;
slouken@6523
   806
            UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0);
slouken@6523
   807
            for (i = 0; i < count; ++i) {
slouken@6523
   808
                UINT size = DragQueryFile(drop, i, NULL, 0) + 1;
slouken@6523
   809
                LPTSTR buffer = SDL_stack_alloc(TCHAR, size);
slouken@6523
   810
                if (buffer) {
slouken@6523
   811
                    if (DragQueryFile(drop, i, buffer, size)) {
slouken@6523
   812
                        char *file = WIN_StringToUTF8(buffer);
slouken@6523
   813
                        SDL_SendDropFile(file);
slouken@6523
   814
                        SDL_free(file);
slouken@6523
   815
                    }
slouken@6523
   816
                    SDL_stack_free(buffer);
slouken@6523
   817
                }
slouken@6523
   818
            }
slouken@6523
   819
            DragFinish(drop);
slouken@6523
   820
            return 0;
slouken@6523
   821
        }
slouken@6523
   822
        break;
slouken@6523
   823
    }
slouken@3566
   824
slouken@3566
   825
    /* If there's a window proc, assume it's going to handle messages */
slouken@3566
   826
    if (data->wndproc) {
slouken@3566
   827
        return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
slouken@3566
   828
    } else if (returnCode >= 0) {
slouken@3566
   829
        return returnCode;
slouken@3566
   830
    } else {
slouken@3566
   831
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@3566
   832
    }
slouken@1895
   833
}
slouken@1895
   834
slouken@1895
   835
void
slouken@1895
   836
WIN_PumpEvents(_THIS)
slouken@1895
   837
{
icculus@7561
   838
    const Uint8 *keystate;
slouken@1895
   839
    MSG msg;
slouken@1895
   840
    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
slouken@1895
   841
        DispatchMessage(&msg);
slouken@1895
   842
    }
icculus@7561
   843
icculus@7561
   844
    /* Windows loses a shift KEYUP event when you have both pressed at once and let go of one.
icculus@7561
   845
       You won't get a KEYUP until both are released, and that keyup will only be for the second
icculus@7561
   846
       key you released. Take heroic measures and check the keystate as of the last handled event,
icculus@7561
   847
       and if we think a key is pressed when Windows doesn't, unstick it in SDL's state. */
icculus@7561
   848
    keystate = SDL_GetKeyboardState(NULL);
icculus@7561
   849
    if ((keystate[SDL_SCANCODE_LSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
icculus@7561
   850
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
icculus@7561
   851
    }
icculus@7561
   852
    if ((keystate[SDL_SCANCODE_RSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
icculus@7561
   853
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RSHIFT);
icculus@7561
   854
    }
slouken@1895
   855
}
slouken@1895
   856
slouken@1895
   857
static int app_registered = 0;
slouken@1895
   858
LPTSTR SDL_Appname = NULL;
slouken@1895
   859
Uint32 SDL_Appstyle = 0;
slouken@1895
   860
HINSTANCE SDL_Instance = NULL;
slouken@1895
   861
slouken@1895
   862
/* Register the class for this application */
slouken@1895
   863
int
slouken@1895
   864
SDL_RegisterApp(char *name, Uint32 style, void *hInst)
slouken@1895
   865
{
slouken@1895
   866
    WNDCLASS class;
slouken@1895
   867
slouken@1895
   868
    /* Only do this once... */
slouken@1895
   869
    if (app_registered) {
slouken@1895
   870
        ++app_registered;
slouken@1895
   871
        return (0);
slouken@1895
   872
    }
slouken@1895
   873
    if (!name && !SDL_Appname) {
slouken@1895
   874
        name = "SDL_app";
slouken@5086
   875
#if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC)
slouken@1895
   876
        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
slouken@5086
   877
#endif
slouken@1895
   878
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
   879
    }
slouken@1895
   880
slouken@1895
   881
    if (name) {
slouken@1895
   882
        SDL_Appname = WIN_UTF8ToString(name);
slouken@1895
   883
        SDL_Appstyle = style;
slouken@1895
   884
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
   885
    }
slouken@1895
   886
slouken@1895
   887
    /* Register the application class */
slouken@1895
   888
    class.hCursor = NULL;
slouken@2710
   889
    class.hIcon =
slouken@2710
   890
        LoadImage(SDL_Instance, SDL_Appname, IMAGE_ICON, 0, 0,
slouken@2710
   891
                  LR_DEFAULTCOLOR);
slouken@1895
   892
    class.lpszMenuName = NULL;
slouken@1895
   893
    class.lpszClassName = SDL_Appname;
slouken@1895
   894
    class.hbrBackground = NULL;
slouken@1895
   895
    class.hInstance = SDL_Instance;
slouken@1895
   896
    class.style = SDL_Appstyle;
dewyatt@4733
   897
    class.lpfnWndProc = WIN_WindowProc;
slouken@1895
   898
    class.cbWndExtra = 0;
slouken@1895
   899
    class.cbClsExtra = 0;
slouken@1895
   900
    if (!RegisterClass(&class)) {
icculus@7037
   901
        return SDL_SetError("Couldn't register application class");
slouken@1895
   902
    }
slouken@1895
   903
slouken@1895
   904
    app_registered = 1;
icculus@7037
   905
    return 0;
slouken@1895
   906
}
slouken@1895
   907
slouken@1895
   908
/* Unregisters the windowclass registered in SDL_RegisterApp above. */
slouken@1895
   909
void
slouken@1895
   910
SDL_UnregisterApp()
slouken@1895
   911
{
slouken@1895
   912
    WNDCLASS class;
slouken@1895
   913
slouken@1895
   914
    /* SDL_RegisterApp might not have been called before */
slouken@1895
   915
    if (!app_registered) {
slouken@1895
   916
        return;
slouken@1895
   917
    }
slouken@1895
   918
    --app_registered;
slouken@1895
   919
    if (app_registered == 0) {
slouken@1895
   920
        /* Check for any registered window classes. */
slouken@1895
   921
        if (GetClassInfo(SDL_Instance, SDL_Appname, &class)) {
slouken@1895
   922
            UnregisterClass(SDL_Appname, SDL_Instance);
slouken@1895
   923
        }
slouken@1895
   924
        SDL_free(SDL_Appname);
slouken@1895
   925
        SDL_Appname = NULL;
slouken@1895
   926
    }
slouken@1895
   927
}
slouken@1895
   928
slouken@6044
   929
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
   930
slouken@1895
   931
/* vi: set ts=4 sw=4 expandtab: */