src/video/windows/SDL_windowsevents.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 04 Jan 2019 22:01:14 -0800
changeset 12503 806492103856
parent 12404 eb60e952b13f
child 12677 ed8b457b0a17
permissions -rw-r--r--
Updated copyright for 2019
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2019 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_internal.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_system.h"
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#include "SDL_syswm.h"
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#include "SDL_timer.h"
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#include "SDL_vkeys.h"
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#include "SDL_hints.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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#include "SDL_assert.h"
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#include "SDL_hints.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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/* For processing mouse WM_*BUTTON* and WM_MOUSEMOVE message-data from GetMessageExtraInfo() */
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#define MOUSEEVENTF_FROMTOUCH 0xFF515700
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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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#ifndef WM_UNICHAR
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#define WM_UNICHAR 0x0109
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#endif
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static SDL_Scancode
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VKeytoScancode(WPARAM vkey)
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{
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    switch (vkey) {
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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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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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    int nScanCode = (lParam >> 16) & 0xFF;
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    SDL_bool bIsExtended = (lParam & (1 << 24)) != 0;
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    code = VKeytoScancode(wParam);
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    if (code == SDL_SCANCODE_UNKNOWN && nScanCode <= 127) {
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        code = windows_scancode_table[nScanCode];
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        if (bIsExtended) {
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            switch (code) {
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            case SDL_SCANCODE_RETURN:
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                code = SDL_SCANCODE_KP_ENTER;
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                break;
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            case SDL_SCANCODE_LALT:
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                code = SDL_SCANCODE_RALT;
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                break;
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            case SDL_SCANCODE_LCTRL:
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                code = SDL_SCANCODE_RCTRL;
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                break;
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            case SDL_SCANCODE_SLASH:
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                code = SDL_SCANCODE_KP_DIVIDE;
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                break;
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            case SDL_SCANCODE_CAPSLOCK:
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                code = SDL_SCANCODE_KP_PLUS;
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                break;
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            default:
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                break;
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            }
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        } else {
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            switch (code) {
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            case SDL_SCANCODE_HOME:
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                code = SDL_SCANCODE_KP_7;
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                break;
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            case SDL_SCANCODE_UP:
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                code = SDL_SCANCODE_KP_8;
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                break;
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            case SDL_SCANCODE_PAGEUP:
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                code = SDL_SCANCODE_KP_9;
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                break;
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            case SDL_SCANCODE_LEFT:
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                code = SDL_SCANCODE_KP_4;
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                break;
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            case SDL_SCANCODE_RIGHT:
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                code = SDL_SCANCODE_KP_6;
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                break;
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            case SDL_SCANCODE_END:
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                code = SDL_SCANCODE_KP_1;
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                break;
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            case SDL_SCANCODE_DOWN:
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                code = SDL_SCANCODE_KP_2;
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                break;
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            case SDL_SCANCODE_PAGEDOWN:
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                code = SDL_SCANCODE_KP_3;
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                break;
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            case SDL_SCANCODE_INSERT:
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                code = SDL_SCANCODE_KP_0;
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                break;
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            case SDL_SCANCODE_DELETE:
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                code = SDL_SCANCODE_KP_PERIOD;
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                break;
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            case SDL_SCANCODE_PRINTSCREEN:
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                code = SDL_SCANCODE_KP_MULTIPLY;
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                break;
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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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    return code;
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}
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static SDL_bool
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WIN_ShouldIgnoreFocusClick()
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{
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    return !SDL_GetHintBoolean(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, SDL_FALSE);
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}
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static void
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WIN_CheckWParamMouseButton(SDL_bool bwParamMousePressed, SDL_bool bSDLMousePressed, SDL_WindowData *data, Uint8 button, SDL_MouseID mouseID)
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{
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    if (data->focus_click_pending & SDL_BUTTON(button)) {
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        /* Ignore the button click for activation */
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        if (!bwParamMousePressed) {
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            data->focus_click_pending &= ~SDL_BUTTON(button);
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            WIN_UpdateClipCursor(data->window);
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        }
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        if (WIN_ShouldIgnoreFocusClick()) {
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            return;
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        }
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    }
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    if (bwParamMousePressed && !bSDLMousePressed) {
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        SDL_SendMouseButton(data->window, mouseID, SDL_PRESSED, button);
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    } else if (!bwParamMousePressed && bSDLMousePressed) {
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        SDL_SendMouseButton(data->window, mouseID, 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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static void
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WIN_CheckWParamMouseButtons(WPARAM wParam, SDL_WindowData *data, SDL_MouseID mouseID)
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{
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    if (wParam != data->mouse_button_flags) {
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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, mouseID);
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        WIN_CheckWParamMouseButton((wParam & MK_MBUTTON), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, mouseID);
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        WIN_CheckWParamMouseButton((wParam & MK_RBUTTON), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, mouseID);
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        WIN_CheckWParamMouseButton((wParam & MK_XBUTTON1), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, mouseID);
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        WIN_CheckWParamMouseButton((wParam & MK_XBUTTON2), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, mouseID);
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        data->mouse_button_flags = wParam;
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    }
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}
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static 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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        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, 0);
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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, 0);
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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, 0);
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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, 0);
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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, 0);
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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, 0);
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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, 0);
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        if ((rawButtons & RI_MOUSE_BUTTON_4_UP))
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   284
            WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_4_UP), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
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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, 0);
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        if ((rawButtons & RI_MOUSE_BUTTON_5_UP))
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   288
            WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_5_UP), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
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        data->mouse_button_flags = rawButtons;
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    }
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   291
}
slouken@6943
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philipp@10982
   293
static void
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WIN_CheckAsyncMouseRelease(SDL_WindowData *data)
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   295
{
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   296
    Uint32 mouseFlags;
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   297
    SHORT keyState;
slouken@8212
   298
slouken@8212
   299
    /* mouse buttons may have changed state here, we need to resync them,
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       but we will get a WM_MOUSEMOVE right away which will fix things up if in non raw mode also
slouken@8212
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    */
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   302
    mouseFlags = SDL_GetMouseState(NULL, NULL);
slouken@8212
   303
slouken@8813
   304
    keyState = GetAsyncKeyState(VK_LBUTTON);
slouken@8796
   305
    if (!(keyState & 0x8000)) {
dludwig@9668
   306
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
slouken@8796
   307
    }
slouken@8796
   308
    keyState = GetAsyncKeyState(VK_RBUTTON);
slouken@8796
   309
    if (!(keyState & 0x8000)) {
dludwig@9668
   310
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
slouken@8796
   311
    }
slouken@8796
   312
    keyState = GetAsyncKeyState(VK_MBUTTON);
slouken@8796
   313
    if (!(keyState & 0x8000)) {
dludwig@9668
   314
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
slouken@8796
   315
    }
slouken@8796
   316
    keyState = GetAsyncKeyState(VK_XBUTTON1);
slouken@8796
   317
    if (!(keyState & 0x8000)) {
dludwig@9668
   318
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
slouken@8796
   319
    }
slouken@8796
   320
    keyState = GetAsyncKeyState(VK_XBUTTON2);
slouken@8796
   321
    if (!(keyState & 0x8000)) {
dludwig@9668
   322
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
slouken@8796
   323
    }
slouken@8212
   324
    data->mouse_button_flags = 0;
slouken@8212
   325
}
slouken@8212
   326
philipp@10982
   327
static BOOL
slouken@7645
   328
WIN_ConvertUTF32toUTF8(UINT32 codepoint, char * text)
slouken@7645
   329
{
slouken@7645
   330
    if (codepoint <= 0x7F) {
slouken@7645
   331
        text[0] = (char) codepoint;
slouken@7645
   332
        text[1] = '\0';
slouken@7645
   333
    } else if (codepoint <= 0x7FF) {
slouken@7645
   334
        text[0] = 0xC0 | (char) ((codepoint >> 6) & 0x1F);
slouken@7645
   335
        text[1] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   336
        text[2] = '\0';
slouken@7645
   337
    } else if (codepoint <= 0xFFFF) {
slouken@7645
   338
        text[0] = 0xE0 | (char) ((codepoint >> 12) & 0x0F);
slouken@7645
   339
        text[1] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
slouken@7645
   340
        text[2] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   341
        text[3] = '\0';
slouken@7645
   342
    } else if (codepoint <= 0x10FFFF) {
slouken@7645
   343
        text[0] = 0xF0 | (char) ((codepoint >> 18) & 0x0F);
slouken@7645
   344
        text[1] = 0x80 | (char) ((codepoint >> 12) & 0x3F);
slouken@7645
   345
        text[2] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
slouken@7645
   346
        text[3] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   347
        text[4] = '\0';
slouken@7645
   348
    } else {
slouken@7645
   349
        return SDL_FALSE;
slouken@7645
   350
    }
slouken@7645
   351
    return SDL_TRUE;
slouken@7645
   352
}
slouken@7645
   353
andrewb@9829
   354
static SDL_bool
andrewb@9829
   355
ShouldGenerateWindowCloseOnAltF4(void)
andrewb@9829
   356
{
slouken@10499
   357
    return !SDL_GetHintBoolean(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, SDL_FALSE);
andrewb@9829
   358
}
andrewb@9829
   359
slouken@11959
   360
/* Win10 "Fall Creators Update" introduced the bug that SetCursorPos() (as used by SDL_WarpMouseInWindow())
slouken@11959
   361
   doesn't reliably generate WM_MOUSEMOVE events anymore (see #3931) which breaks relative mouse mode via warping.
slouken@11959
   362
   This is used to implement a workaround.. */
slouken@11959
   363
static SDL_bool isWin10FCUorNewer = SDL_FALSE;
slouken@11959
   364
slouken@1895
   365
LRESULT CALLBACK
slouken@1895
   366
WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
slouken@1895
   367
{
slouken@1895
   368
    SDL_WindowData *data;
slouken@3566
   369
    LRESULT returnCode = -1;
slouken@1895
   370
slouken@1951
   371
    /* Send a SDL_SYSWMEVENT if the application wants them */
slouken@4429
   372
    if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
slouken@1951
   373
        SDL_SysWMmsg wmmsg;
slouken@1951
   374
slouken@1951
   375
        SDL_VERSION(&wmmsg.version);
slouken@4900
   376
        wmmsg.subsystem = SDL_SYSWM_WINDOWS;
slouken@5056
   377
        wmmsg.msg.win.hwnd = hwnd;
slouken@5056
   378
        wmmsg.msg.win.msg = msg;
slouken@5056
   379
        wmmsg.msg.win.wParam = wParam;
slouken@5056
   380
        wmmsg.msg.win.lParam = lParam;
slouken@1951
   381
        SDL_SendSysWMEvent(&wmmsg);
slouken@1951
   382
    }
slouken@1951
   383
slouken@1895
   384
    /* Get the window data for the window */
slouken@1895
   385
    data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
slouken@1895
   386
    if (!data) {
slouken@1895
   387
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@1895
   388
    }
jimtla@4650
   389
slouken@1895
   390
#ifdef WMMSG_DEBUG
slouken@7941
   391
    {
slouken@7941
   392
        char message[1024];
slouken@7941
   393
        if (msg > MAX_WMMSG) {
slouken@7941
   394
            SDL_snprintf(message, sizeof(message), "Received windows message: %p UNKNOWN (%d) -- 0x%X, 0x%X\n", hwnd, msg, wParam, lParam);
slouken@7941
   395
        } else {
slouken@7941
   396
            SDL_snprintf(message, sizeof(message), "Received windows message: %p %s -- 0x%X, 0x%X\n", hwnd, wmtab[msg], wParam, lParam);
slouken@7941
   397
        }
slouken@7941
   398
        OutputDebugStringA(message);
slouken@7941
   399
    }
slouken@7816
   400
#endif /* WMMSG_DEBUG */
slouken@2710
   401
dewyatt@4752
   402
    if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata))
dewyatt@4752
   403
        return 0;
slouken@1895
   404
slouken@1895
   405
    switch (msg) {
slouken@1895
   406
slouken@1895
   407
    case WM_SHOWWINDOW:
slouken@1895
   408
        {
slouken@1895
   409
            if (wParam) {
slouken@3685
   410
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
   411
            } else {
slouken@3685
   412
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
   413
            }
slouken@1895
   414
        }
slouken@1895
   415
        break;
slouken@1895
   416
slouken@12231
   417
    case WM_NCACTIVATE:
slouken@12231
   418
        {
slouken@12231
   419
            /* Don't immediately clip the cursor in case we're clicking minimize/maximize buttons */
slouken@12231
   420
            data->skip_update_clipcursor = SDL_TRUE;
slouken@12231
   421
        }
slouken@12231
   422
        break;
slouken@12231
   423
slouken@1895
   424
    case WM_ACTIVATE:
slouken@1895
   425
        {
slouken@8796
   426
            POINT cursorPos;
slouken@1895
   427
            BOOL minimized;
slouken@1895
   428
slouken@11938
   429
            /* Don't mark the window as shown if it's activated before being shown */
slouken@11938
   430
            if (!IsWindowVisible(hwnd)) {
slouken@11938
   431
                break;
slouken@11938
   432
            }
slouken@11938
   433
slouken@1895
   434
            minimized = HIWORD(wParam);
slouken@1895
   435
            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
slouken@10539
   436
                if (LOWORD(wParam) == WA_CLICKACTIVE) {
slouken@10539
   437
                    if (GetAsyncKeyState(VK_LBUTTON)) {
slouken@10539
   438
                        data->focus_click_pending |= SDL_BUTTON_LMASK;
slouken@10539
   439
                    }
slouken@10539
   440
                    if (GetAsyncKeyState(VK_RBUTTON)) {
slouken@10539
   441
                        data->focus_click_pending |= SDL_BUTTON_RMASK;
slouken@10539
   442
                    }
slouken@10539
   443
                    if (GetAsyncKeyState(VK_MBUTTON)) {
slouken@10539
   444
                        data->focus_click_pending |= SDL_BUTTON_MMASK;
slouken@10539
   445
                    }
slouken@10539
   446
                    if (GetAsyncKeyState(VK_XBUTTON1)) {
slouken@10539
   447
                        data->focus_click_pending |= SDL_BUTTON_X1MASK;
slouken@10539
   448
                    }
slouken@10539
   449
                    if (GetAsyncKeyState(VK_XBUTTON2)) {
slouken@10539
   450
                        data->focus_click_pending |= SDL_BUTTON_X2MASK;
slouken@10539
   451
                    }
slouken@10377
   452
                }
slouken@10377
   453
                
slouken@3685
   454
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@4465
   455
                if (SDL_GetKeyboardFocus() != data->window) {
slouken@4465
   456
                    SDL_SetKeyboardFocus(data->window);
slouken@1895
   457
                }
slouken@11300
   458
slouken@8796
   459
                GetCursorPos(&cursorPos);
slouken@8796
   460
                ScreenToClient(hwnd, &cursorPos);
slouken@8796
   461
                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
slouken@11300
   462
slouken@8212
   463
                WIN_CheckAsyncMouseRelease(data);
slouken@6350
   464
slouken@4504
   465
                /*
slouken@4504
   466
                 * FIXME: Update keyboard state
slouken@4504
   467
                 */
slouken@4504
   468
                WIN_CheckClipboardUpdate(data->videodata);
icculus@9974
   469
icculus@9974
   470
                SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
icculus@9974
   471
                SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
slouken@1895
   472
            } else {
slouken@12153
   473
                RECT rect;
slouken@12153
   474
dludwig@9990
   475
                data->in_window_deactivation = SDL_TRUE;
dludwig@9990
   476
slouken@4465
   477
                if (SDL_GetKeyboardFocus() == data->window) {
slouken@4465
   478
                    SDL_SetKeyboardFocus(NULL);
slouken@10411
   479
                    WIN_ResetDeadKeys();
slouken@1895
   480
                }
slouken@8050
   481
slouken@12153
   482
                if (GetClipCursor(&rect) && SDL_memcmp(&rect, &data->cursor_clipped_rect, sizeof(rect) == 0)) {
slouken@12153
   483
                    ClipCursor(NULL);
slouken@12153
   484
                    SDL_zero(data->cursor_clipped_rect);
slouken@12153
   485
                }
dludwig@9990
   486
dludwig@9990
   487
                data->in_window_deactivation = SDL_FALSE;
slouken@1895
   488
            }
slouken@1895
   489
        }
slouken@3566
   490
        returnCode = 0;
slouken@3566
   491
        break;
slouken@1895
   492
slouken@7191
   493
    case WM_MOUSEMOVE:
slouken@8071
   494
        {
slouken@8071
   495
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   496
            if (!mouse->relative_mode || mouse->relative_mode_warp) {
dludwig@9668
   497
                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
dludwig@9668
   498
                SDL_SendMouseMotion(data->window, mouseID, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
slouken@11959
   499
                if (isWin10FCUorNewer && mouseID != SDL_TOUCH_MOUSEID && mouse->relative_mode_warp) {
slouken@11959
   500
                    /* To work around #3931, Win10 bug introduced in Fall Creators Update, where
slouken@11959
   501
                       SetCursorPos() (SDL_WarpMouseInWindow()) doesn't reliably generate mouse events anymore,
slouken@11959
   502
                       after each windows mouse event generate a fake event for the middle of the window
slouken@11959
   503
                       if relative_mode_warp is used */
slouken@11959
   504
                    int center_x = 0, center_y = 0;
slouken@11959
   505
                    SDL_GetWindowSize(data->window, &center_x, &center_y);
slouken@11959
   506
                    center_x /= 2;
slouken@11959
   507
                    center_y /= 2;
slouken@11959
   508
                    SDL_SendMouseMotion(data->window, mouseID, 0, center_x, center_y);
slouken@11959
   509
                }
slouken@8071
   510
            }
slouken@8071
   511
        }
slouken@7191
   512
        /* don't break here, fall through to check the wParam like the button presses */
slouken@7191
   513
    case WM_LBUTTONUP:
slouken@7191
   514
    case WM_RBUTTONUP:
slouken@7191
   515
    case WM_MBUTTONUP:
slouken@7191
   516
    case WM_XBUTTONUP:
slouken@7191
   517
    case WM_LBUTTONDOWN:
slouken@8713
   518
    case WM_LBUTTONDBLCLK:
slouken@7191
   519
    case WM_RBUTTONDOWN:
slouken@8713
   520
    case WM_RBUTTONDBLCLK:
slouken@7191
   521
    case WM_MBUTTONDOWN:
slouken@8713
   522
    case WM_MBUTTONDBLCLK:
slouken@7191
   523
    case WM_XBUTTONDOWN:
slouken@8713
   524
    case WM_XBUTTONDBLCLK:
slouken@8071
   525
        {
slouken@8071
   526
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   527
            if (!mouse->relative_mode || mouse->relative_mode_warp) {
dludwig@9668
   528
                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
dludwig@9668
   529
                WIN_CheckWParamMouseButtons(wParam, data, mouseID);
slouken@8071
   530
            }
slouken@8071
   531
        }
slouken@7191
   532
        break;
slouken@3139
   533
slouken@7191
   534
    case WM_INPUT:
slouken@8071
   535
        {
slouken@8071
   536
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   537
            HRAWINPUT hRawInput = (HRAWINPUT)lParam;
slouken@8071
   538
            RAWINPUT inp;
slouken@8071
   539
            UINT size = sizeof(inp);
icculus@8942
   540
            const SDL_bool isRelative = mouse->relative_mode || mouse->relative_mode_warp;
icculus@8942
   541
            const SDL_bool isCapture = ((data->window->flags & SDL_WINDOW_MOUSE_CAPTURE) != 0);
slouken@6782
   542
icculus@8942
   543
            if (!isRelative || mouse->focus != data->window) {
icculus@8942
   544
                if (!isCapture) {
icculus@8942
   545
                    break;
icculus@8942
   546
                }
slouken@8071
   547
            }
slouken@6782
   548
slouken@8071
   549
            GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
slouken@6350
   550
slouken@8071
   551
            /* Mouse data */
slouken@8071
   552
            if (inp.header.dwType == RIM_TYPEMOUSE) {
icculus@8942
   553
                if (isRelative) {
slouken@8976
   554
                    RAWMOUSE* rawmouse = &inp.data.mouse;
slouken@6350
   555
slouken@8976
   556
                    if ((rawmouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) {
slouken@8976
   557
                        SDL_SendMouseMotion(data->window, 0, 1, (int)rawmouse->lLastX, (int)rawmouse->lLastY);
icculus@8942
   558
                    } else {
icculus@8942
   559
                        /* synthesize relative moves from the abs position */
icculus@8942
   560
                        static SDL_Point initialMousePoint;
icculus@8942
   561
                        if (initialMousePoint.x == 0 && initialMousePoint.y == 0) {
slouken@8976
   562
                            initialMousePoint.x = rawmouse->lLastX;
slouken@8976
   563
                            initialMousePoint.y = rawmouse->lLastY;
icculus@8942
   564
                        }
icculus@8942
   565
slouken@10864
   566
                        SDL_SendMouseMotion(data->window, 0, 1, (int)(rawmouse->lLastX-initialMousePoint.x), (int)(rawmouse->lLastY-initialMousePoint.y));
icculus@8942
   567
slouken@8976
   568
                        initialMousePoint.x = rawmouse->lLastX;
slouken@8976
   569
                        initialMousePoint.y = rawmouse->lLastY;
slouken@8071
   570
                    }
slouken@8976
   571
                    WIN_CheckRawMouseButtons(rawmouse->usButtonFlags, data);
icculus@8942
   572
                } else if (isCapture) {
icculus@8942
   573
                    /* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */
icculus@8942
   574
                    POINT pt;
slouken@10863
   575
                    RECT hwndRect;
slouken@10864
   576
                    HWND currentHnd;
slouken@10864
   577
icculus@8942
   578
                    GetCursorPos(&pt);
slouken@10864
   579
                    currentHnd = WindowFromPoint(pt);
slouken@10864
   580
                    ScreenToClient(hwnd, &pt);
slouken@10864
   581
                    GetClientRect(hwnd, &hwndRect);
slouken@10863
   582
slouken@10863
   583
                    /* if in the window, WM_MOUSEMOVE, etc, will cover it. */
slouken@10864
   584
                    if(currentHnd != hwnd || pt.x < 0 || pt.y < 0 || pt.x > hwndRect.right || pt.y > hwndRect.right) {
slouken@10864
   585
                        SDL_SendMouseMotion(data->window, 0, 0, (int)pt.x, (int)pt.y);
icculus@8949
   586
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT);
icculus@8949
   587
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT);
icculus@8949
   588
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE);
icculus@8949
   589
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X1);
icculus@8949
   590
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X2);
icculus@8942
   591
                    }
icculus@8942
   592
                } else {
icculus@8942
   593
                    SDL_assert(0 && "Shouldn't happen");
slouken@7191
   594
                }
slouken@7191
   595
            }
slouken@7191
   596
        }
slouken@7191
   597
        break;
slouken@6350
   598
slouken@5049
   599
    case WM_MOUSEWHEEL:
slouken@7911
   600
    case WM_MOUSEHWHEEL:
slouken@7911
   601
        {
slouken@11300
   602
            short amount = GET_WHEEL_DELTA_WPARAM(wParam);
slouken@11300
   603
            float fAmount = (float) amount / WHEEL_DELTA;
slouken@11300
   604
            if (msg == WM_MOUSEWHEEL)
slouken@11300
   605
                SDL_SendMouseWheel(data->window, 0, 0.0f, fAmount, SDL_MOUSEWHEEL_NORMAL);
slouken@11300
   606
            else
slouken@11300
   607
                SDL_SendMouseWheel(data->window, 0, fAmount, 0.0f, SDL_MOUSEWHEEL_NORMAL);
slouken@7911
   608
        }
slouken@8071
   609
        break;
slouken@7911
   610
slouken@5086
   611
#ifdef WM_MOUSELEAVE
slouken@1895
   612
    case WM_MOUSELEAVE:
icculus@8942
   613
        if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode && !(data->window->flags & SDL_WINDOW_MOUSE_CAPTURE)) {
slouken@8035
   614
            if (!IsIconic(hwnd)) {
slouken@8035
   615
                POINT cursorPos;
slouken@8035
   616
                GetCursorPos(&cursorPos);
slouken@8035
   617
                ScreenToClient(hwnd, &cursorPos);
slouken@8035
   618
                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
slouken@8035
   619
            }
slouken@7191
   620
            SDL_SetMouseFocus(NULL);
slouken@1895
   621
        }
slouken@3566
   622
        returnCode = 0;
slouken@3566
   623
        break;
slouken@5086
   624
#endif /* WM_MOUSELEAVE */
slouken@1895
   625
slouken@7645
   626
    case WM_KEYDOWN:
slouken@7646
   627
    case WM_SYSKEYDOWN:
slouken@7645
   628
        {
slouken@8813
   629
            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
icculus@9641
   630
            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
icculus@9641
   631
icculus@9641
   632
            /* Detect relevant keyboard shortcuts */
icculus@9641
   633
            if (keyboardState[SDL_SCANCODE_LALT] == SDL_PRESSED || keyboardState[SDL_SCANCODE_RALT] == SDL_PRESSED) {
icculus@9641
   634
                /* ALT+F4: Close window */
andrewb@9829
   635
                if (code == SDL_SCANCODE_F4 && ShouldGenerateWindowCloseOnAltF4()) {
icculus@9641
   636
                    SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
icculus@9641
   637
                }
icculus@9641
   638
            }
icculus@9641
   639
slouken@8813
   640
            if (code != SDL_SCANCODE_UNKNOWN) {
slouken@8813
   641
                SDL_SendKeyboardKey(SDL_PRESSED, code);
slouken@7646
   642
            }
slouken@7646
   643
        }
slouken@11300
   644
slouken@3566
   645
        returnCode = 0;
slouken@3566
   646
        break;
slouken@1895
   647
slouken@1895
   648
    case WM_SYSKEYUP:
slouken@1895
   649
    case WM_KEYUP:
slouken@1895
   650
        {
slouken@8813
   651
            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
gabomdq@7975
   652
            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
gabomdq@7975
   653
slouken@8813
   654
            if (code != SDL_SCANCODE_UNKNOWN) {
slouken@6938
   655
                if (code == SDL_SCANCODE_PRINTSCREEN &&
gabomdq@7975
   656
                    keyboardState[code] == SDL_RELEASED) {
slouken@6938
   657
                    SDL_SendKeyboardKey(SDL_PRESSED, code);
slouken@6938
   658
                }
slouken@6938
   659
                SDL_SendKeyboardKey(SDL_RELEASED, code);
slouken@2308
   660
            }
slouken@1895
   661
        }
slouken@3566
   662
        returnCode = 0;
slouken@3566
   663
        break;
slouken@1895
   664
slouken@8143
   665
    case WM_UNICHAR:
slouken@12153
   666
        if (wParam == UNICODE_NOCHAR) {
slouken@9889
   667
            returnCode = 1;
slouken@9889
   668
            break;
slouken@9889
   669
        }
slouken@9889
   670
        /* otherwise fall through to below */
slouken@9889
   671
    case WM_CHAR:
slouken@9889
   672
        {
slouken@9889
   673
            char text[5];
slouken@12153
   674
            if (WIN_ConvertUTF32toUTF8((UINT32)wParam, text)) {
slouken@12153
   675
                SDL_SendKeyboardText(text);
slouken@9889
   676
            }
slouken@9889
   677
        }
slouken@9889
   678
        returnCode = 0;
slouken@8143
   679
        break;
slouken@8143
   680
slouken@5086
   681
#ifdef WM_INPUTLANGCHANGE
slouken@2311
   682
    case WM_INPUTLANGCHANGE:
slouken@2311
   683
        {
slouken@4465
   684
            WIN_UpdateKeymap();
slouken@9898
   685
            SDL_SendKeymapChangedEvent();
slouken@2311
   686
        }
slouken@3566
   687
        returnCode = 1;
slouken@3566
   688
        break;
slouken@5086
   689
#endif /* WM_INPUTLANGCHANGE */
slouken@2311
   690
slouken@8253
   691
    case WM_NCLBUTTONDOWN:
slouken@8253
   692
        {
slouken@8253
   693
            data->in_title_click = SDL_TRUE;
slouken@8253
   694
        }
slouken@8253
   695
        break;
slouken@8253
   696
slouken@8916
   697
    case WM_CAPTURECHANGED:
slouken@8253
   698
        {
slouken@8253
   699
            data->in_title_click = SDL_FALSE;
slouken@8253
   700
slouken@8916
   701
            /* The mouse may have been released during a modal loop */
slouken@8212
   702
            WIN_CheckAsyncMouseRelease(data);
slouken@8036
   703
        }
slouken@8036
   704
        break;
slouken@8036
   705
slouken@5086
   706
#ifdef WM_GETMINMAXINFO
slouken@1895
   707
    case WM_GETMINMAXINFO:
slouken@1895
   708
        {
slouken@1895
   709
            MINMAXINFO *info;
slouken@1895
   710
            RECT size;
slouken@1895
   711
            int x, y;
slouken@1895
   712
            int w, h;
stopiccot@6682
   713
            int min_w, min_h;
slouken@6788
   714
            int max_w, max_h;
slouken@7191
   715
            BOOL constrain_max_size;
slouken@1895
   716
stopiccot@6682
   717
            if (SDL_IsShapedWindow(data->window))
eligottlieb@4815
   718
                Win32_ResizeWindowShape(data->window);
slouken@1895
   719
slouken@7941
   720
            /* If this is an expected size change, allow it */
slouken@7941
   721
            if (data->expected_resize) {
slouken@7941
   722
                break;
slouken@7941
   723
            }
slouken@7941
   724
slouken@1895
   725
            /* Get the current position of our window */
slouken@1895
   726
            GetWindowRect(hwnd, &size);
slouken@1895
   727
            x = size.left;
slouken@1895
   728
            y = size.top;
slouken@1895
   729
slouken@1895
   730
            /* Calculate current size of our window */
slouken@3685
   731
            SDL_GetWindowSize(data->window, &w, &h);
stopiccot@6682
   732
            SDL_GetWindowMinimumSize(data->window, &min_w, &min_h);
slouken@6788
   733
            SDL_GetWindowMaximumSize(data->window, &max_w, &max_h);
stopiccot@6682
   734
slouken@7191
   735
            /* Store in min_w and min_h difference between current size and minimal
stopiccot@6682
   736
               size so we don't need to call AdjustWindowRectEx twice */
stopiccot@6682
   737
            min_w -= w;
stopiccot@6682
   738
            min_h -= h;
slouken@6837
   739
            if (max_w && max_h) {
slouken@6837
   740
                max_w -= w;
slouken@6837
   741
                max_h -= h;
slouken@6862
   742
                constrain_max_size = TRUE;
slouken@6862
   743
            } else {
slouken@6862
   744
                constrain_max_size = FALSE;
slouken@6837
   745
            }
stopiccot@6682
   746
slouken@11857
   747
            if (!(SDL_GetWindowFlags(data->window) & SDL_WINDOW_BORDERLESS)) {
slouken@11857
   748
                LONG style = GetWindowLong(hwnd, GWL_STYLE);
slouken@11857
   749
                /* DJM - according to the docs for GetMenu(), the
slouken@11857
   750
                   return value is undefined if hwnd is a child window.
slouken@11857
   751
                   Apparently it's too difficult for MS to check
slouken@11857
   752
                   inside their function, so I have to do it here.
slouken@11857
   753
                 */
slouken@11857
   754
                BOOL menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@11857
   755
                size.top = 0;
slouken@11857
   756
                size.left = 0;
slouken@11857
   757
                size.bottom = h;
slouken@11857
   758
                size.right = w;
slouken@1895
   759
slouken@11857
   760
                AdjustWindowRectEx(&size, style, menu, 0);
slouken@11857
   761
                w = size.right - size.left;
slouken@11857
   762
                h = size.bottom - size.top;
slouken@11857
   763
            }
slouken@1895
   764
slouken@1895
   765
            /* Fix our size to the current size */
slouken@1895
   766
            info = (MINMAXINFO *) lParam;
stopiccot@6682
   767
            if (SDL_GetWindowFlags(data->window) & SDL_WINDOW_RESIZABLE) {
stopiccot@6682
   768
                info->ptMinTrackSize.x = w + min_w;
stopiccot@6682
   769
                info->ptMinTrackSize.y = h + min_h;
slouken@6862
   770
                if (constrain_max_size) {
slouken@6862
   771
                    info->ptMaxTrackSize.x = w + max_w;
slouken@6862
   772
                    info->ptMaxTrackSize.y = h + max_h;
slouken@6862
   773
                }
stopiccot@6682
   774
            } else {
stopiccot@6682
   775
                info->ptMaxSize.x = w;
stopiccot@6682
   776
                info->ptMaxSize.y = h;
stopiccot@6682
   777
                info->ptMaxPosition.x = x;
stopiccot@6682
   778
                info->ptMaxPosition.y = y;
stopiccot@6682
   779
                info->ptMinTrackSize.x = w;
stopiccot@6682
   780
                info->ptMinTrackSize.y = h;
stopiccot@6682
   781
                info->ptMaxTrackSize.x = w;
stopiccot@6682
   782
                info->ptMaxTrackSize.y = h;
stopiccot@6682
   783
            }
slouken@1895
   784
        }
slouken@3566
   785
        returnCode = 0;
slouken@3566
   786
        break;
slouken@5086
   787
#endif /* WM_GETMINMAXINFO */
slouken@1895
   788
icculus@10387
   789
    case WM_WINDOWPOSCHANGING:
icculus@10387
   790
icculus@10387
   791
        if (data->expected_resize) {
icculus@10387
   792
            returnCode = 0;
icculus@10387
   793
        }
icculus@10387
   794
        break;
icculus@10387
   795
slouken@1895
   796
    case WM_WINDOWPOSCHANGED:
slouken@1895
   797
        {
slouken@1895
   798
            RECT rect;
slouken@1895
   799
            int x, y;
slouken@1895
   800
            int w, h;
slouken@11300
   801
slouken@9888
   802
            if (data->initializing || data->in_border_change) {
slouken@8817
   803
                break;
slouken@8817
   804
            }
slouken@1895
   805
slouken@8036
   806
            if (!GetClientRect(hwnd, &rect) || IsRectEmpty(&rect)) {
slouken@3256
   807
                break;
slouken@3256
   808
            }
slouken@1895
   809
            ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   810
            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   811
slouken@8036
   812
            WIN_UpdateClipCursor(data->window);
slouken@1895
   813
slouken@1895
   814
            x = rect.left;
slouken@1895
   815
            y = rect.top;
slouken@3685
   816
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@1895
   817
slouken@1895
   818
            w = rect.right - rect.left;
slouken@1895
   819
            h = rect.bottom - rect.top;
slouken@3685
   820
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, w,
slouken@1895
   821
                                h);
flibitijibibo@10417
   822
flibitijibibo@10417
   823
            /* Forces a WM_PAINT event */
flibitijibibo@10417
   824
            InvalidateRect(hwnd, NULL, FALSE);
slouken@1895
   825
        }
slouken@1895
   826
        break;
slouken@1895
   827
slouken@7941
   828
    case WM_SIZE:
slouken@7941
   829
        {
slouken@8813
   830
            switch (wParam) {
slouken@7941
   831
            case SIZE_MAXIMIZED:
slouken@7941
   832
                SDL_SendWindowEvent(data->window,
slouken@11007
   833
                    SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@11007
   834
                SDL_SendWindowEvent(data->window,
slouken@7941
   835
                    SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@7941
   836
                break;
slouken@7941
   837
            case SIZE_MINIMIZED:
slouken@7941
   838
                SDL_SendWindowEvent(data->window,
slouken@7941
   839
                    SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@7941
   840
                break;
slouken@7941
   841
            default:
slouken@7941
   842
                SDL_SendWindowEvent(data->window,
slouken@7941
   843
                    SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@7941
   844
                break;
slouken@7941
   845
            }
slouken@7941
   846
        }
slouken@7941
   847
        break;
slouken@7941
   848
slouken@1895
   849
    case WM_SETCURSOR:
slouken@1895
   850
        {
slouken@3076
   851
            Uint16 hittest;
slouken@1895
   852
slouken@3076
   853
            hittest = LOWORD(lParam);
slouken@3076
   854
            if (hittest == HTCLIENT) {
slouken@5421
   855
                SetCursor(SDL_cursor);
slouken@3566
   856
                returnCode = TRUE;
slouken@8813
   857
            } else if (!g_WindowFrameUsableWhileCursorHidden && !SDL_cursor) {
slouken@8813
   858
                SetCursor(NULL);
slouken@8813
   859
                returnCode = TRUE;
slouken@3076
   860
            }
slouken@1895
   861
        }
slouken@1895
   862
        break;
slouken@1895
   863
slouken@1895
   864
        /* We were occluded, refresh our display */
slouken@1895
   865
    case WM_PAINT:
slouken@1895
   866
        {
slouken@1895
   867
            RECT rect;
slouken@1895
   868
            if (GetUpdateRect(hwnd, &rect, FALSE)) {
slouken@7295
   869
                ValidateRect(hwnd, NULL);
slouken@3685
   870
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED,
slouken@1895
   871
                                    0, 0);
slouken@1895
   872
            }
slouken@1895
   873
        }
slouken@3566
   874
        returnCode = 0;
slouken@3566
   875
        break;
slouken@3095
   876
slouken@1895
   877
        /* We'll do our own drawing, prevent flicker */
slouken@1895
   878
    case WM_ERASEBKGND:
slouken@1895
   879
        {
slouken@1895
   880
        }
slouken@1895
   881
        return (1);
slouken@1895
   882
slouken@1895
   883
    case WM_SYSCOMMAND:
slouken@1895
   884
        {
slouken@9889
   885
            if ((wParam & 0xFFF0) == SC_KEYMENU) {
slouken@9889
   886
                return (0);
slouken@9889
   887
            }
icculus@9624
   888
icculus@9624
   889
#if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
slouken@1895
   890
            /* Don't start the screensaver or blank the monitor in fullscreen apps */
slouken@1895
   891
            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
slouken@1895
   892
                (wParam & 0xFFF0) == SC_MONITORPOWER) {
slouken@3032
   893
                if (SDL_GetVideoDevice()->suspend_screensaver) {
slouken@1895
   894
                    return (0);
slouken@1895
   895
                }
slouken@1895
   896
            }
icculus@9624
   897
#endif /* System has screensaver support */
slouken@1895
   898
        }
slouken@1895
   899
        break;
slouken@1895
   900
slouken@1895
   901
    case WM_CLOSE:
slouken@1895
   902
        {
slouken@3685
   903
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
slouken@1895
   904
        }
slouken@3566
   905
        returnCode = 0;
slouken@3566
   906
        break;
slouken@4919
   907
slouken@7191
   908
    case WM_TOUCH:
slouken@11215
   909
        if (data->videodata->GetTouchInputInfo && data->videodata->CloseTouchInputHandle) {
slouken@7191
   910
            UINT i, num_inputs = LOWORD(wParam);
icculus@12349
   911
            SDL_bool isstack;
icculus@12349
   912
            PTOUCHINPUT inputs = SDL_small_alloc(TOUCHINPUT, num_inputs, &isstack);
slouken@7191
   913
            if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
slouken@7191
   914
                RECT rect;
slouken@7191
   915
                float x, y;
slouken@4919
   916
slouken@7191
   917
                if (!GetClientRect(hwnd, &rect) ||
slouken@7191
   918
                    (rect.right == rect.left && rect.bottom == rect.top)) {
philipp@7631
   919
                    if (inputs) {
icculus@12349
   920
                        SDL_small_free(inputs, isstack);
philipp@7631
   921
                    }
slouken@7191
   922
                    break;
slouken@7191
   923
                }
slouken@7191
   924
                ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@7191
   925
                ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@7191
   926
                rect.top *= 100;
slouken@7191
   927
                rect.left *= 100;
slouken@7191
   928
                rect.bottom *= 100;
slouken@7191
   929
                rect.right *= 100;
slouken@4932
   930
slouken@7191
   931
                for (i = 0; i < num_inputs; ++i) {
slouken@7191
   932
                    PTOUCHINPUT input = &inputs[i];
slouken@4919
   933
icculus@7543
   934
                    const SDL_TouchID touchId = (SDL_TouchID)((size_t)input->hSource);
slime73@12404
   935
slime73@12404
   936
                    /* TODO: Can we use GetRawInputDeviceInfo and HID info to
slime73@12404
   937
                       determine if this is a direct or indirect touch device?
slime73@12404
   938
                     */
slime73@12404
   939
                    if (SDL_AddTouch(touchId, SDL_TOUCH_DEVICE_DIRECT, "") < 0) {
slouken@9679
   940
                        continue;
slouken@7191
   941
                    }
slouken@4932
   942
slouken@7191
   943
                    /* Get the normalized coordinates for the window */
slouken@7191
   944
                    x = (float)(input->x - rect.left)/(rect.right - rect.left);
slouken@7191
   945
                    y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
slouken@4932
   946
slouken@7191
   947
                    if (input->dwFlags & TOUCHEVENTF_DOWN) {
slouken@7191
   948
                        SDL_SendTouch(touchId, input->dwID, SDL_TRUE, x, y, 1.0f);
slouken@7191
   949
                    }
slouken@7191
   950
                    if (input->dwFlags & TOUCHEVENTF_MOVE) {
slouken@7191
   951
                        SDL_SendTouchMotion(touchId, input->dwID, x, y, 1.0f);
slouken@7191
   952
                    }
slouken@7191
   953
                    if (input->dwFlags & TOUCHEVENTF_UP) {
slouken@7191
   954
                        SDL_SendTouch(touchId, input->dwID, SDL_FALSE, x, y, 1.0f);
slouken@7191
   955
                    }
slouken@7191
   956
                }
slouken@7191
   957
            }
icculus@12349
   958
            SDL_small_free(inputs, isstack);
slouken@4932
   959
slouken@7191
   960
            data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
slouken@7191
   961
            return 0;
slouken@7191
   962
        }
slouken@7191
   963
        break;
slouken@6523
   964
slouken@6523
   965
    case WM_DROPFILES:
slouken@6523
   966
        {
slouken@6523
   967
            UINT i;
slouken@6523
   968
            HDROP drop = (HDROP) wParam;
slouken@6523
   969
            UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0);
slouken@6523
   970
            for (i = 0; i < count; ++i) {
icculus@12349
   971
                SDL_bool isstack;
slouken@6523
   972
                UINT size = DragQueryFile(drop, i, NULL, 0) + 1;
icculus@12349
   973
                LPTSTR buffer = SDL_small_alloc(TCHAR, size, &isstack);
slouken@6523
   974
                if (buffer) {
slouken@6523
   975
                    if (DragQueryFile(drop, i, buffer, size)) {
slouken@6523
   976
                        char *file = WIN_StringToUTF8(buffer);
icculus@10022
   977
                        SDL_SendDropFile(data->window, file);
slouken@6523
   978
                        SDL_free(file);
slouken@6523
   979
                    }
icculus@12349
   980
                    SDL_small_free(buffer, isstack);
slouken@6523
   981
                }
slouken@6523
   982
            }
icculus@10022
   983
            SDL_SendDropComplete(data->window);
slouken@6523
   984
            DragFinish(drop);
slouken@6523
   985
            return 0;
slouken@6523
   986
        }
slouken@6523
   987
        break;
icculus@8938
   988
slouken@11528
   989
    case WM_NCCALCSIZE:
slouken@11528
   990
        {
slouken@11874
   991
            Uint32 window_flags = SDL_GetWindowFlags(data->window);
slouken@11874
   992
            if (wParam == TRUE && (window_flags & SDL_WINDOW_BORDERLESS) && !(window_flags & SDL_WINDOW_FULLSCREEN)) {
slouken@11716
   993
                /* When borderless, need to tell windows that the size of the non-client area is 0 */
slouken@11874
   994
                if (!(window_flags & SDL_WINDOW_RESIZABLE)) {
slouken@11716
   995
                    int w, h;
slouken@11716
   996
                    NCCALCSIZE_PARAMS *params = (NCCALCSIZE_PARAMS *)lParam;
slouken@11874
   997
                    w = data->window->windowed.w;
slouken@11874
   998
                    h = data->window->windowed.h;
slouken@11716
   999
                    params->rgrc[0].right = params->rgrc[0].left + w;
slouken@11716
  1000
                    params->rgrc[0].bottom = params->rgrc[0].top + h;
slouken@11716
  1001
                }
slouken@11528
  1002
                return 0;
slouken@11716
  1003
            }
slouken@11528
  1004
        }
slouken@11528
  1005
        break;
slouken@11528
  1006
icculus@8938
  1007
    case WM_NCHITTEST:
icculus@8938
  1008
        {
icculus@8938
  1009
            SDL_Window *window = data->window;
icculus@8938
  1010
            if (window->hit_test) {
slouken@11547
  1011
                POINT winpoint = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
slouken@8976
  1012
                if (ScreenToClient(hwnd, &winpoint)) {
icculus@8941
  1013
                    const SDL_Point point = { (int) winpoint.x, (int) winpoint.y };
icculus@8941
  1014
                    const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
icculus@8948
  1015
                    switch (rc) {
icculus@10028
  1016
                        #define POST_HIT_TEST(ret) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIT_TEST, 0, 0); return ret; }
icculus@10028
  1017
                        case SDL_HITTEST_DRAGGABLE: POST_HIT_TEST(HTCAPTION);
icculus@10028
  1018
                        case SDL_HITTEST_RESIZE_TOPLEFT: POST_HIT_TEST(HTTOPLEFT);
icculus@10028
  1019
                        case SDL_HITTEST_RESIZE_TOP: POST_HIT_TEST(HTTOP);
icculus@10028
  1020
                        case SDL_HITTEST_RESIZE_TOPRIGHT: POST_HIT_TEST(HTTOPRIGHT);
icculus@10028
  1021
                        case SDL_HITTEST_RESIZE_RIGHT: POST_HIT_TEST(HTRIGHT);
icculus@10028
  1022
                        case SDL_HITTEST_RESIZE_BOTTOMRIGHT: POST_HIT_TEST(HTBOTTOMRIGHT);
icculus@10028
  1023
                        case SDL_HITTEST_RESIZE_BOTTOM: POST_HIT_TEST(HTBOTTOM);
icculus@10028
  1024
                        case SDL_HITTEST_RESIZE_BOTTOMLEFT: POST_HIT_TEST(HTBOTTOMLEFT);
icculus@10028
  1025
                        case SDL_HITTEST_RESIZE_LEFT: POST_HIT_TEST(HTLEFT);
icculus@10028
  1026
                        #undef POST_HIT_TEST
slouken@8976
  1027
                        case SDL_HITTEST_NORMAL: return HTCLIENT;
icculus@8941
  1028
                    }
icculus@8938
  1029
                }
icculus@8948
  1030
                /* If we didn't return, this will call DefWindowProc below. */
icculus@8938
  1031
            }
icculus@8938
  1032
        }
icculus@8938
  1033
        break;
slouken@6523
  1034
    }
slouken@3566
  1035
slouken@3566
  1036
    /* If there's a window proc, assume it's going to handle messages */
slouken@3566
  1037
    if (data->wndproc) {
slouken@3566
  1038
        return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
slouken@3566
  1039
    } else if (returnCode >= 0) {
slouken@3566
  1040
        return returnCode;
slouken@3566
  1041
    } else {
slouken@3566
  1042
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@3566
  1043
    }
slouken@1895
  1044
}
slouken@1895
  1045
slouken@12154
  1046
static void WIN_UpdateClipCursorForWindows()
slouken@12154
  1047
{
slouken@12154
  1048
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@12154
  1049
    SDL_Window *window;
slouken@12154
  1050
slouken@12154
  1051
    if (_this) {
slouken@12154
  1052
        for (window = _this->windows; window; window = window->next) {
slouken@12154
  1053
            if (window->driverdata) {
slouken@12154
  1054
                WIN_UpdateClipCursor(window);
slouken@12154
  1055
            }
slouken@12154
  1056
        }
slouken@12154
  1057
    }
slouken@12154
  1058
}
slouken@12154
  1059
slouken@9597
  1060
/* A message hook called before TranslateMessage() */
slouken@9597
  1061
static SDL_WindowsMessageHook g_WindowsMessageHook = NULL;
slouken@9599
  1062
static void *g_WindowsMessageHookData = NULL;
slouken@9597
  1063
slouken@9599
  1064
void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata)
slouken@9597
  1065
{
slouken@9597
  1066
    g_WindowsMessageHook = callback;
slouken@9599
  1067
    g_WindowsMessageHookData = userdata;
slouken@9597
  1068
}
slouken@9597
  1069
slouken@1895
  1070
void
slouken@1895
  1071
WIN_PumpEvents(_THIS)
slouken@1895
  1072
{
icculus@7561
  1073
    const Uint8 *keystate;
slouken@1895
  1074
    MSG msg;
slouken@8218
  1075
    DWORD start_ticks = GetTickCount();
slouken@8218
  1076
slouken@8814
  1077
    if (g_WindowsEnableMessageLoop) {
slouken@8814
  1078
        while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
slouken@9597
  1079
            if (g_WindowsMessageHook) {
slouken@9599
  1080
                g_WindowsMessageHook(g_WindowsMessageHookData, msg.hwnd, msg.message, msg.wParam, msg.lParam);
slouken@9597
  1081
            }
slouken@9597
  1082
slouken@8814
  1083
            /* Always translate the message in case it's a non-SDL window (e.g. with Qt integration) */
slouken@8814
  1084
            TranslateMessage(&msg);
slouken@8814
  1085
            DispatchMessage(&msg);
slouken@8218
  1086
slouken@8814
  1087
            /* Make sure we don't busy loop here forever if there are lots of events coming in */
slouken@8814
  1088
            if (SDL_TICKS_PASSED(msg.time, start_ticks)) {
slouken@8814
  1089
                break;
slouken@8814
  1090
            }
slouken@8218
  1091
        }
slouken@1895
  1092
    }
icculus@7561
  1093
icculus@7561
  1094
    /* Windows loses a shift KEYUP event when you have both pressed at once and let go of one.
icculus@7561
  1095
       You won't get a KEYUP until both are released, and that keyup will only be for the second
icculus@7561
  1096
       key you released. Take heroic measures and check the keystate as of the last handled event,
icculus@7561
  1097
       and if we think a key is pressed when Windows doesn't, unstick it in SDL's state. */
icculus@7561
  1098
    keystate = SDL_GetKeyboardState(NULL);
icculus@7561
  1099
    if ((keystate[SDL_SCANCODE_LSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
icculus@7561
  1100
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
icculus@7561
  1101
    }
icculus@7561
  1102
    if ((keystate[SDL_SCANCODE_RSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
icculus@7561
  1103
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RSHIFT);
icculus@7561
  1104
    }
slouken@12154
  1105
slouken@12154
  1106
    /* Update the clipping rect in case someone else has stolen it */
slouken@12154
  1107
    WIN_UpdateClipCursorForWindows();
slouken@1895
  1108
}
slouken@1895
  1109
slouken@11959
  1110
/* to work around #3931, a bug introduced in Win10 Fall Creators Update (build nr. 16299)
slouken@11959
  1111
   we need to detect the windows version. this struct and the function below does that.
slouken@11959
  1112
   usually this struct and the corresponding function (RtlGetVersion) are in <Ntddk.h>
slouken@11959
  1113
   but here we just load it dynamically */
slouken@11959
  1114
struct SDL_WIN_OSVERSIONINFOW {
slouken@11959
  1115
    ULONG dwOSVersionInfoSize;
slouken@11959
  1116
    ULONG dwMajorVersion;
slouken@11959
  1117
    ULONG dwMinorVersion;
slouken@11959
  1118
    ULONG dwBuildNumber;
slouken@11959
  1119
    ULONG dwPlatformId;
slouken@11959
  1120
    WCHAR szCSDVersion[128];
slouken@11959
  1121
};
slouken@11959
  1122
slouken@11959
  1123
static SDL_bool
slouken@11959
  1124
IsWin10FCUorNewer(void)
slouken@11959
  1125
{
slouken@11959
  1126
    HMODULE handle = GetModuleHandleW(L"ntdll.dll");
slouken@11959
  1127
    if (handle) {
slouken@11959
  1128
        typedef LONG(WINAPI* RtlGetVersionPtr)(struct SDL_WIN_OSVERSIONINFOW*);
slouken@11959
  1129
        RtlGetVersionPtr getVersionPtr = (RtlGetVersionPtr)GetProcAddress(handle, "RtlGetVersion");
slouken@11959
  1130
        if (getVersionPtr != NULL) {
slouken@11959
  1131
            struct SDL_WIN_OSVERSIONINFOW info;
slouken@11959
  1132
            SDL_zero(info);
slouken@11959
  1133
            info.dwOSVersionInfoSize = sizeof(info);
slouken@11959
  1134
            if (getVersionPtr(&info) == 0) { /* STATUS_SUCCESS == 0 */
slouken@12153
  1135
                if ((info.dwMajorVersion == 10 && info.dwMinorVersion == 0 && info.dwBuildNumber >= 16299) ||
slouken@12153
  1136
                    (info.dwMajorVersion == 10 && info.dwMinorVersion > 0) ||
slouken@12153
  1137
                    (info.dwMajorVersion > 10))
slouken@11959
  1138
                {
slouken@11959
  1139
                    return SDL_TRUE;
slouken@11959
  1140
                }
slouken@11959
  1141
            }
slouken@11959
  1142
        }
slouken@11959
  1143
    }
slouken@11959
  1144
    return SDL_FALSE;
slouken@11959
  1145
}
slouken@11959
  1146
slouken@1895
  1147
static int app_registered = 0;
slouken@1895
  1148
LPTSTR SDL_Appname = NULL;
slouken@1895
  1149
Uint32 SDL_Appstyle = 0;
slouken@1895
  1150
HINSTANCE SDL_Instance = NULL;
slouken@1895
  1151
slouken@1895
  1152
/* Register the class for this application */
slouken@1895
  1153
int
slouken@1895
  1154
SDL_RegisterApp(char *name, Uint32 style, void *hInst)
slouken@1895
  1155
{
slouken@11261
  1156
    const char *hint;
slouken@10426
  1157
    WNDCLASSEX wcex;
slouken@10426
  1158
    TCHAR path[MAX_PATH];
slouken@1895
  1159
slouken@1895
  1160
    /* Only do this once... */
slouken@1895
  1161
    if (app_registered) {
slouken@1895
  1162
        ++app_registered;
slouken@1895
  1163
        return (0);
slouken@1895
  1164
    }
slouken@1895
  1165
    if (!name && !SDL_Appname) {
slouken@1895
  1166
        name = "SDL_app";
slouken@5086
  1167
#if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC)
slouken@1895
  1168
        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
slouken@5086
  1169
#endif
slouken@1895
  1170
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
  1171
    }
slouken@1895
  1172
slouken@1895
  1173
    if (name) {
slouken@1895
  1174
        SDL_Appname = WIN_UTF8ToString(name);
slouken@1895
  1175
        SDL_Appstyle = style;
slouken@1895
  1176
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
  1177
    }
slouken@1895
  1178
slouken@1895
  1179
    /* Register the application class */
slouken@10427
  1180
    wcex.cbSize         = sizeof(WNDCLASSEX);
slouken@10427
  1181
    wcex.hCursor        = NULL;
slouken@10427
  1182
    wcex.hIcon          = NULL;
slouken@10427
  1183
    wcex.hIconSm        = NULL;
slouken@10427
  1184
    wcex.lpszMenuName   = NULL;
slouken@10427
  1185
    wcex.lpszClassName  = SDL_Appname;
slouken@10427
  1186
    wcex.style          = SDL_Appstyle;
slouken@10427
  1187
    wcex.hbrBackground  = NULL;
slouken@10427
  1188
    wcex.lpfnWndProc    = WIN_WindowProc;
slouken@10427
  1189
    wcex.hInstance      = SDL_Instance;
slouken@10427
  1190
    wcex.cbClsExtra     = 0;
slouken@10427
  1191
    wcex.cbWndExtra     = 0;
slouken@10427
  1192
slouken@11261
  1193
    hint = SDL_GetHint(SDL_HINT_WINDOWS_INTRESOURCE_ICON);
slouken@11261
  1194
    if (hint && *hint) {
slouken@11261
  1195
        wcex.hIcon = LoadIcon(SDL_Instance, MAKEINTRESOURCE(SDL_atoi(hint)));
slouken@11261
  1196
slouken@11261
  1197
        hint = SDL_GetHint(SDL_HINT_WINDOWS_INTRESOURCE_ICON_SMALL);
slouken@11261
  1198
        if (hint && *hint) {
slouken@11261
  1199
            wcex.hIconSm = LoadIcon(SDL_Instance, MAKEINTRESOURCE(SDL_atoi(hint)));
slouken@11261
  1200
        }
slouken@11261
  1201
    } else {
slouken@11261
  1202
        /* Use the first icon as a default icon, like in the Explorer */
slouken@11261
  1203
        GetModuleFileName(SDL_Instance, path, MAX_PATH);
slouken@11261
  1204
        ExtractIconEx(path, 0, &wcex.hIcon, &wcex.hIconSm, 1);
slouken@11261
  1205
    }
slouken@10427
  1206
slouken@10426
  1207
    if (!RegisterClassEx(&wcex)) {
icculus@7037
  1208
        return SDL_SetError("Couldn't register application class");
slouken@1895
  1209
    }
slouken@1895
  1210
slouken@11959
  1211
    isWin10FCUorNewer = IsWin10FCUorNewer();
slouken@11959
  1212
slouken@1895
  1213
    app_registered = 1;
icculus@7037
  1214
    return 0;
slouken@1895
  1215
}
slouken@1895
  1216
slouken@1895
  1217
/* Unregisters the windowclass registered in SDL_RegisterApp above. */
slouken@1895
  1218
void
slouken@1895
  1219
SDL_UnregisterApp()
slouken@1895
  1220
{
slouken@10426
  1221
    WNDCLASSEX wcex;
slouken@1895
  1222
slouken@1895
  1223
    /* SDL_RegisterApp might not have been called before */
slouken@1895
  1224
    if (!app_registered) {
slouken@1895
  1225
        return;
slouken@1895
  1226
    }
slouken@1895
  1227
    --app_registered;
slouken@1895
  1228
    if (app_registered == 0) {
slouken@1895
  1229
        /* Check for any registered window classes. */
slouken@10426
  1230
        if (GetClassInfoEx(SDL_Instance, SDL_Appname, &wcex)) {
slouken@1895
  1231
            UnregisterClass(SDL_Appname, SDL_Instance);
slouken@10426
  1232
            if (wcex.hIcon) DestroyIcon(wcex.hIcon);
slouken@10426
  1233
            if (wcex.hIconSm) DestroyIcon(wcex.hIconSm);
slouken@1895
  1234
        }
slouken@1895
  1235
        SDL_free(SDL_Appname);
slouken@1895
  1236
        SDL_Appname = NULL;
slouken@1895
  1237
    }
slouken@1895
  1238
}
slouken@1895
  1239
slouken@6044
  1240
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
  1241
slouken@1895
  1242
/* vi: set ts=4 sw=4 expandtab: */