src/video/windows/SDL_windowsevents.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 06 Oct 2015 21:16:21 -0700
changeset 9888 bf49de980798
parent 9829 6961c662493c
child 9889 7cb2c3ec8205
permissions -rw-r--r--
Fixed sending a size event while setting up a window (fix for DOTA 2 on Source 2)
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2015 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 "../../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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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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        switch(wParam) {
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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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        switch (code) {
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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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    } else {
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        switch (code) {
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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, SDL_MouseID mouseID)
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{
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    if (data->focus_click_pending && button == SDL_BUTTON_LEFT && !bwParamMousePressed) {
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        data->focus_click_pending = SDL_FALSE;
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        WIN_UpdateClipCursor(data->window);
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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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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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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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            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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            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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   263
}
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   265
void
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WIN_CheckAsyncMouseRelease(SDL_WindowData *data)
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   267
{
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   268
    Uint32 mouseFlags;
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   269
    SHORT keyState;
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    /* 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
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    */
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    mouseFlags = SDL_GetMouseState(NULL, NULL);
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   276
    keyState = GetAsyncKeyState(VK_LBUTTON);
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   277
    if (!(keyState & 0x8000)) {
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   278
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
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    }
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    keyState = GetAsyncKeyState(VK_RBUTTON);
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   281
    if (!(keyState & 0x8000)) {
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        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
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    }
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   284
    keyState = GetAsyncKeyState(VK_MBUTTON);
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   285
    if (!(keyState & 0x8000)) {
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        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
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    }
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   288
    keyState = GetAsyncKeyState(VK_XBUTTON1);
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   289
    if (!(keyState & 0x8000)) {
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   290
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
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   291
    }
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   292
    keyState = GetAsyncKeyState(VK_XBUTTON2);
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   293
    if (!(keyState & 0x8000)) {
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        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
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   295
    }
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   296
    data->mouse_button_flags = 0;
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   297
}
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BOOL 
slouken@7645
   300
WIN_ConvertUTF32toUTF8(UINT32 codepoint, char * text)
slouken@7645
   301
{
slouken@7645
   302
    if (codepoint <= 0x7F) {
slouken@7645
   303
        text[0] = (char) codepoint;
slouken@7645
   304
        text[1] = '\0';
slouken@7645
   305
    } else if (codepoint <= 0x7FF) {
slouken@7645
   306
        text[0] = 0xC0 | (char) ((codepoint >> 6) & 0x1F);
slouken@7645
   307
        text[1] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   308
        text[2] = '\0';
slouken@7645
   309
    } else if (codepoint <= 0xFFFF) {
slouken@7645
   310
        text[0] = 0xE0 | (char) ((codepoint >> 12) & 0x0F);
slouken@7645
   311
        text[1] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
slouken@7645
   312
        text[2] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   313
        text[3] = '\0';
slouken@7645
   314
    } else if (codepoint <= 0x10FFFF) {
slouken@7645
   315
        text[0] = 0xF0 | (char) ((codepoint >> 18) & 0x0F);
slouken@7645
   316
        text[1] = 0x80 | (char) ((codepoint >> 12) & 0x3F);
slouken@7645
   317
        text[2] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
slouken@7645
   318
        text[3] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   319
        text[4] = '\0';
slouken@7645
   320
    } else {
slouken@7645
   321
        return SDL_FALSE;
slouken@7645
   322
    }
slouken@7645
   323
    return SDL_TRUE;
slouken@7645
   324
}
slouken@7645
   325
andrewb@9829
   326
static SDL_bool
andrewb@9829
   327
ShouldGenerateWindowCloseOnAltF4(void)
andrewb@9829
   328
{
andrewb@9829
   329
    const char *hint;
andrewb@9829
   330
    
andrewb@9829
   331
    hint = SDL_GetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4);
andrewb@9829
   332
    if (hint) {
andrewb@9829
   333
        if (*hint == '0') {
andrewb@9829
   334
            return SDL_TRUE;
andrewb@9829
   335
        } else {
andrewb@9829
   336
            return SDL_FALSE;
andrewb@9829
   337
        }
andrewb@9829
   338
    }
andrewb@9829
   339
    return SDL_TRUE;
andrewb@9829
   340
}
andrewb@9829
   341
slouken@1895
   342
LRESULT CALLBACK
slouken@1895
   343
WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
slouken@1895
   344
{
slouken@1895
   345
    SDL_WindowData *data;
slouken@3566
   346
    LRESULT returnCode = -1;
slouken@1895
   347
slouken@1951
   348
    /* Send a SDL_SYSWMEVENT if the application wants them */
slouken@4429
   349
    if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
slouken@1951
   350
        SDL_SysWMmsg wmmsg;
slouken@1951
   351
slouken@1951
   352
        SDL_VERSION(&wmmsg.version);
slouken@4900
   353
        wmmsg.subsystem = SDL_SYSWM_WINDOWS;
slouken@5056
   354
        wmmsg.msg.win.hwnd = hwnd;
slouken@5056
   355
        wmmsg.msg.win.msg = msg;
slouken@5056
   356
        wmmsg.msg.win.wParam = wParam;
slouken@5056
   357
        wmmsg.msg.win.lParam = lParam;
slouken@1951
   358
        SDL_SendSysWMEvent(&wmmsg);
slouken@1951
   359
    }
slouken@1951
   360
slouken@1895
   361
    /* Get the window data for the window */
slouken@1895
   362
    data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
slouken@1895
   363
    if (!data) {
slouken@1895
   364
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@1895
   365
    }
jimtla@4650
   366
slouken@1895
   367
#ifdef WMMSG_DEBUG
slouken@7941
   368
    {
slouken@7941
   369
        char message[1024];
slouken@7941
   370
        if (msg > MAX_WMMSG) {
slouken@7941
   371
            SDL_snprintf(message, sizeof(message), "Received windows message: %p UNKNOWN (%d) -- 0x%X, 0x%X\n", hwnd, msg, wParam, lParam);
slouken@7941
   372
        } else {
slouken@7941
   373
            SDL_snprintf(message, sizeof(message), "Received windows message: %p %s -- 0x%X, 0x%X\n", hwnd, wmtab[msg], wParam, lParam);
slouken@7941
   374
        }
slouken@7941
   375
        OutputDebugStringA(message);
slouken@7941
   376
    }
slouken@7816
   377
#endif /* WMMSG_DEBUG */
slouken@2710
   378
dewyatt@4752
   379
    if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata))
dewyatt@4752
   380
        return 0;
slouken@1895
   381
slouken@1895
   382
    switch (msg) {
slouken@1895
   383
slouken@1895
   384
    case WM_SHOWWINDOW:
slouken@1895
   385
        {
slouken@1895
   386
            if (wParam) {
slouken@3685
   387
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
   388
            } else {
slouken@3685
   389
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
   390
            }
slouken@1895
   391
        }
slouken@1895
   392
        break;
slouken@1895
   393
slouken@1895
   394
    case WM_ACTIVATE:
slouken@1895
   395
        {
slouken@8796
   396
            POINT cursorPos;
slouken@1895
   397
            BOOL minimized;
slouken@1895
   398
slouken@1895
   399
            minimized = HIWORD(wParam);
slouken@1895
   400
            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
slouken@8916
   401
                data->focus_click_pending = (GetAsyncKeyState(VK_LBUTTON) != 0);
slouken@8916
   402
slouken@3685
   403
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@4465
   404
                if (SDL_GetKeyboardFocus() != data->window) {
slouken@4465
   405
                    SDL_SetKeyboardFocus(data->window);
slouken@1895
   406
                }
slouken@8796
   407
                
slouken@8796
   408
                GetCursorPos(&cursorPos);
slouken@8796
   409
                ScreenToClient(hwnd, &cursorPos);
slouken@8796
   410
                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
slouken@8796
   411
                
slouken@8212
   412
                WIN_CheckAsyncMouseRelease(data);
slouken@6350
   413
slouken@4504
   414
                /*
slouken@4504
   415
                 * FIXME: Update keyboard state
slouken@4504
   416
                 */
slouken@4504
   417
                WIN_CheckClipboardUpdate(data->videodata);
slouken@1895
   418
            } else {
slouken@4465
   419
                if (SDL_GetKeyboardFocus() == data->window) {
slouken@4465
   420
                    SDL_SetKeyboardFocus(NULL);
slouken@1895
   421
                }
slouken@8050
   422
slouken@8050
   423
                ClipCursor(NULL);
slouken@1895
   424
            }
slouken@1895
   425
        }
slouken@3566
   426
        returnCode = 0;
slouken@3566
   427
        break;
slouken@1895
   428
slouken@7191
   429
    case WM_MOUSEMOVE:
slouken@8071
   430
        {
slouken@8071
   431
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   432
            if (!mouse->relative_mode || mouse->relative_mode_warp) {
dludwig@9668
   433
                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
dludwig@9668
   434
                SDL_SendMouseMotion(data->window, mouseID, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
slouken@8071
   435
            }
slouken@8071
   436
        }
slouken@7191
   437
        /* don't break here, fall through to check the wParam like the button presses */
slouken@7191
   438
    case WM_LBUTTONUP:
slouken@7191
   439
    case WM_RBUTTONUP:
slouken@7191
   440
    case WM_MBUTTONUP:
slouken@7191
   441
    case WM_XBUTTONUP:
slouken@7191
   442
    case WM_LBUTTONDOWN:
slouken@8713
   443
    case WM_LBUTTONDBLCLK:
slouken@7191
   444
    case WM_RBUTTONDOWN:
slouken@8713
   445
    case WM_RBUTTONDBLCLK:
slouken@7191
   446
    case WM_MBUTTONDOWN:
slouken@8713
   447
    case WM_MBUTTONDBLCLK:
slouken@7191
   448
    case WM_XBUTTONDOWN:
slouken@8713
   449
    case WM_XBUTTONDBLCLK:
slouken@8071
   450
        {
slouken@8071
   451
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   452
            if (!mouse->relative_mode || mouse->relative_mode_warp) {
dludwig@9668
   453
                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
dludwig@9668
   454
                WIN_CheckWParamMouseButtons(wParam, data, mouseID);
slouken@8071
   455
            }
slouken@8071
   456
        }
slouken@7191
   457
        break;
slouken@3139
   458
slouken@7191
   459
    case WM_INPUT:
slouken@8071
   460
        {
slouken@8071
   461
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   462
            HRAWINPUT hRawInput = (HRAWINPUT)lParam;
slouken@8071
   463
            RAWINPUT inp;
slouken@8071
   464
            UINT size = sizeof(inp);
icculus@8942
   465
            const SDL_bool isRelative = mouse->relative_mode || mouse->relative_mode_warp;
icculus@8942
   466
            const SDL_bool isCapture = ((data->window->flags & SDL_WINDOW_MOUSE_CAPTURE) != 0);
slouken@6782
   467
icculus@8942
   468
            if (!isRelative || mouse->focus != data->window) {
icculus@8942
   469
                if (!isCapture) {
icculus@8942
   470
                    break;
icculus@8942
   471
                }
slouken@8071
   472
            }
slouken@6782
   473
slouken@8071
   474
            GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
slouken@6350
   475
slouken@8071
   476
            /* Mouse data */
slouken@8071
   477
            if (inp.header.dwType == RIM_TYPEMOUSE) {
icculus@8942
   478
                if (isRelative) {
slouken@8976
   479
                    RAWMOUSE* rawmouse = &inp.data.mouse;
slouken@6350
   480
slouken@8976
   481
                    if ((rawmouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) {
slouken@8976
   482
                        SDL_SendMouseMotion(data->window, 0, 1, (int)rawmouse->lLastX, (int)rawmouse->lLastY);
icculus@8942
   483
                    } else {
icculus@8942
   484
                        /* synthesize relative moves from the abs position */
icculus@8942
   485
                        static SDL_Point initialMousePoint;
icculus@8942
   486
                        if (initialMousePoint.x == 0 && initialMousePoint.y == 0) {
slouken@8976
   487
                            initialMousePoint.x = rawmouse->lLastX;
slouken@8976
   488
                            initialMousePoint.y = rawmouse->lLastY;
icculus@8942
   489
                        }
icculus@8942
   490
slouken@8976
   491
                        SDL_SendMouseMotion(data->window, 0, 1, (int)(rawmouse->lLastX-initialMousePoint.x), (int)(rawmouse->lLastY-initialMousePoint.y) );
icculus@8942
   492
slouken@8976
   493
                        initialMousePoint.x = rawmouse->lLastX;
slouken@8976
   494
                        initialMousePoint.y = rawmouse->lLastY;
slouken@8071
   495
                    }
slouken@8976
   496
                    WIN_CheckRawMouseButtons(rawmouse->usButtonFlags, data);
icculus@8942
   497
                } else if (isCapture) {
icculus@8942
   498
                    /* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */
icculus@8942
   499
                    POINT pt;
icculus@8942
   500
                    GetCursorPos(&pt);
icculus@8942
   501
                    if (WindowFromPoint(pt) != hwnd) {  /* if in the window, WM_MOUSEMOVE, etc, will cover it. */
slouken@8976
   502
                        ScreenToClient(hwnd, &pt);
icculus@8942
   503
                        SDL_SendMouseMotion(data->window, 0, 0, (int) pt.x, (int) pt.y);
icculus@8949
   504
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT);
icculus@8949
   505
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT);
icculus@8949
   506
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE);
icculus@8949
   507
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X1);
icculus@8949
   508
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X2);
icculus@8942
   509
                    }
icculus@8942
   510
                } else {
icculus@8942
   511
                    SDL_assert(0 && "Shouldn't happen");
slouken@7191
   512
                }
slouken@7191
   513
            }
slouken@7191
   514
        }
slouken@7191
   515
        break;
slouken@6350
   516
slouken@5049
   517
    case WM_MOUSEWHEEL:
slouken@5049
   518
        {
slouken@7813
   519
            static short s_AccumulatedMotion;
slouken@5049
   520
slouken@7813
   521
            s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
slouken@7813
   522
            if (s_AccumulatedMotion > 0) {
slouken@7813
   523
                while (s_AccumulatedMotion >= WHEEL_DELTA) {
urkle@9257
   524
                    SDL_SendMouseWheel(data->window, 0, 0, 1, SDL_MOUSEWHEEL_NORMAL);
slouken@7813
   525
                    s_AccumulatedMotion -= WHEEL_DELTA;
slouken@7813
   526
                }
slouken@7813
   527
            } else {
slouken@7813
   528
                while (s_AccumulatedMotion <= -WHEEL_DELTA) {
urkle@9257
   529
                    SDL_SendMouseWheel(data->window, 0, 0, -1, SDL_MOUSEWHEEL_NORMAL);
slouken@7813
   530
                    s_AccumulatedMotion += WHEEL_DELTA;
slouken@7813
   531
                }
slouken@7813
   532
            }
slouken@5049
   533
        }
slouken@8071
   534
        break;
slouken@5049
   535
slouken@7911
   536
    case WM_MOUSEHWHEEL:
slouken@7911
   537
        {
slouken@7911
   538
            static short s_AccumulatedMotion;
slouken@7911
   539
slouken@7911
   540
            s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
slouken@7911
   541
            if (s_AccumulatedMotion > 0) {
slouken@7911
   542
                while (s_AccumulatedMotion >= WHEEL_DELTA) {
urkle@9257
   543
                    SDL_SendMouseWheel(data->window, 0, 1, 0, SDL_MOUSEWHEEL_NORMAL);
slouken@7911
   544
                    s_AccumulatedMotion -= WHEEL_DELTA;
slouken@7911
   545
                }
slouken@7911
   546
            } else {
slouken@7911
   547
                while (s_AccumulatedMotion <= -WHEEL_DELTA) {
urkle@9257
   548
                    SDL_SendMouseWheel(data->window, 0, -1, 0, SDL_MOUSEWHEEL_NORMAL);
slouken@7911
   549
                    s_AccumulatedMotion += WHEEL_DELTA;
slouken@7911
   550
                }
slouken@7911
   551
            }
slouken@7911
   552
        }
slouken@8071
   553
        break;
slouken@7911
   554
slouken@5086
   555
#ifdef WM_MOUSELEAVE
slouken@1895
   556
    case WM_MOUSELEAVE:
icculus@8942
   557
        if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode && !(data->window->flags & SDL_WINDOW_MOUSE_CAPTURE)) {
slouken@8035
   558
            if (!IsIconic(hwnd)) {
slouken@8035
   559
                POINT cursorPos;
slouken@8035
   560
                GetCursorPos(&cursorPos);
slouken@8035
   561
                ScreenToClient(hwnd, &cursorPos);
slouken@8035
   562
                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
slouken@8035
   563
            }
slouken@7191
   564
            SDL_SetMouseFocus(NULL);
slouken@1895
   565
        }
slouken@3566
   566
        returnCode = 0;
slouken@3566
   567
        break;
slouken@5086
   568
#endif /* WM_MOUSELEAVE */
slouken@1895
   569
slouken@7645
   570
    case WM_KEYDOWN:
slouken@7646
   571
    case WM_SYSKEYDOWN:
slouken@7645
   572
        {
slouken@8813
   573
            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
icculus@9641
   574
            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
icculus@9641
   575
icculus@9641
   576
            /* Detect relevant keyboard shortcuts */
icculus@9641
   577
            if (keyboardState[SDL_SCANCODE_LALT] == SDL_PRESSED || keyboardState[SDL_SCANCODE_RALT] == SDL_PRESSED) {
icculus@9641
   578
                /* ALT+F4: Close window */
andrewb@9829
   579
                if (code == SDL_SCANCODE_F4 && ShouldGenerateWindowCloseOnAltF4()) {
icculus@9641
   580
                    SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
icculus@9641
   581
                }
icculus@9641
   582
            }
icculus@9641
   583
slouken@8813
   584
            if (code != SDL_SCANCODE_UNKNOWN) {
slouken@8813
   585
                SDL_SendKeyboardKey(SDL_PRESSED, code);
slouken@7646
   586
            }
slouken@7646
   587
        }
slouken@9781
   588
 
slouken@3566
   589
        returnCode = 0;
slouken@3566
   590
        break;
slouken@1895
   591
slouken@1895
   592
    case WM_SYSKEYUP:
slouken@1895
   593
    case WM_KEYUP:
slouken@1895
   594
        {
slouken@8813
   595
            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
gabomdq@7975
   596
            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
gabomdq@7975
   597
slouken@8813
   598
            if (code != SDL_SCANCODE_UNKNOWN) {
slouken@6938
   599
                if (code == SDL_SCANCODE_PRINTSCREEN &&
gabomdq@7975
   600
                    keyboardState[code] == SDL_RELEASED) {
slouken@6938
   601
                    SDL_SendKeyboardKey(SDL_PRESSED, code);
slouken@6938
   602
                }
slouken@6938
   603
                SDL_SendKeyboardKey(SDL_RELEASED, code);
slouken@2308
   604
            }
slouken@1895
   605
        }
slouken@3566
   606
        returnCode = 0;
slouken@3566
   607
        break;
slouken@1895
   608
slouken@8143
   609
    case WM_UNICHAR:
slouken@9781
   610
		if ( wParam == UNICODE_NOCHAR ) {
slouken@9781
   611
			returnCode = 1;
slouken@9781
   612
			break;
slouken@9781
   613
		}
slouken@9781
   614
		/* otherwise fall through to below */
slouken@9781
   615
	case WM_CHAR:
slouken@9781
   616
		{
slouken@9781
   617
			char text[5];
slouken@9821
   618
			if ( WIN_ConvertUTF32toUTF8( (UINT32)wParam, text ) ) {
slouken@9781
   619
				SDL_SendKeyboardText( text );
slouken@9781
   620
			}
slouken@9781
   621
		}
slouken@9781
   622
		returnCode = 0;
slouken@8143
   623
        break;
slouken@8143
   624
slouken@5086
   625
#ifdef WM_INPUTLANGCHANGE
slouken@2311
   626
    case WM_INPUTLANGCHANGE:
slouken@2311
   627
        {
slouken@4465
   628
            WIN_UpdateKeymap();
slouken@2311
   629
        }
slouken@3566
   630
        returnCode = 1;
slouken@3566
   631
        break;
slouken@5086
   632
#endif /* WM_INPUTLANGCHANGE */
slouken@2311
   633
slouken@8253
   634
    case WM_NCLBUTTONDOWN:
slouken@8253
   635
        {
slouken@8253
   636
            data->in_title_click = SDL_TRUE;
slouken@8253
   637
        }
slouken@8253
   638
        break;
slouken@8253
   639
slouken@8916
   640
    case WM_CAPTURECHANGED:
slouken@8253
   641
        {
slouken@8253
   642
            data->in_title_click = SDL_FALSE;
slouken@8253
   643
slouken@8916
   644
            /* The mouse may have been released during a modal loop */
slouken@8212
   645
            WIN_CheckAsyncMouseRelease(data);
slouken@8036
   646
        }
slouken@8036
   647
        break;
slouken@8036
   648
slouken@5086
   649
#ifdef WM_GETMINMAXINFO
slouken@1895
   650
    case WM_GETMINMAXINFO:
slouken@1895
   651
        {
slouken@1895
   652
            MINMAXINFO *info;
slouken@1895
   653
            RECT size;
slouken@1895
   654
            int x, y;
slouken@1895
   655
            int w, h;
stopiccot@6682
   656
            int min_w, min_h;
slouken@6788
   657
            int max_w, max_h;
slouken@1895
   658
            int style;
slouken@3168
   659
            BOOL menu;
slouken@7191
   660
            BOOL constrain_max_size;
slouken@1895
   661
stopiccot@6682
   662
            if (SDL_IsShapedWindow(data->window))
eligottlieb@4815
   663
                Win32_ResizeWindowShape(data->window);
slouken@1895
   664
slouken@7941
   665
            /* If this is an expected size change, allow it */
slouken@7941
   666
            if (data->expected_resize) {
slouken@7941
   667
                break;
slouken@7941
   668
            }
slouken@7941
   669
slouken@1895
   670
            /* Get the current position of our window */
slouken@1895
   671
            GetWindowRect(hwnd, &size);
slouken@1895
   672
            x = size.left;
slouken@1895
   673
            y = size.top;
slouken@1895
   674
slouken@1895
   675
            /* Calculate current size of our window */
slouken@3685
   676
            SDL_GetWindowSize(data->window, &w, &h);
stopiccot@6682
   677
            SDL_GetWindowMinimumSize(data->window, &min_w, &min_h);
slouken@6788
   678
            SDL_GetWindowMaximumSize(data->window, &max_w, &max_h);
stopiccot@6682
   679
slouken@7191
   680
            /* Store in min_w and min_h difference between current size and minimal
stopiccot@6682
   681
               size so we don't need to call AdjustWindowRectEx twice */
stopiccot@6682
   682
            min_w -= w;
stopiccot@6682
   683
            min_h -= h;
slouken@6837
   684
            if (max_w && max_h) {
slouken@6837
   685
                max_w -= w;
slouken@6837
   686
                max_h -= h;
slouken@6862
   687
                constrain_max_size = TRUE;
slouken@6862
   688
            } else {
slouken@6862
   689
                constrain_max_size = FALSE;
slouken@6837
   690
            }
stopiccot@6682
   691
slouken@1895
   692
            size.top = 0;
slouken@1895
   693
            size.left = 0;
slouken@1895
   694
            size.bottom = h;
slouken@1895
   695
            size.right = w;
slouken@1895
   696
slouken@3168
   697
            style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   698
            /* DJM - according to the docs for GetMenu(), the
slouken@1895
   699
               return value is undefined if hwnd is a child window.
slouken@8817
   700
               Apparently it's too difficult for MS to check
slouken@1895
   701
               inside their function, so I have to do it here.
slouken@1895
   702
             */
slouken@3168
   703
            menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   704
            AdjustWindowRectEx(&size, style, menu, 0);
slouken@1895
   705
            w = size.right - size.left;
slouken@1895
   706
            h = size.bottom - size.top;
slouken@1895
   707
slouken@1895
   708
            /* Fix our size to the current size */
slouken@1895
   709
            info = (MINMAXINFO *) lParam;
stopiccot@6682
   710
            if (SDL_GetWindowFlags(data->window) & SDL_WINDOW_RESIZABLE) {
stopiccot@6682
   711
                info->ptMinTrackSize.x = w + min_w;
stopiccot@6682
   712
                info->ptMinTrackSize.y = h + min_h;
slouken@6862
   713
                if (constrain_max_size) {
slouken@6862
   714
                    info->ptMaxTrackSize.x = w + max_w;
slouken@6862
   715
                    info->ptMaxTrackSize.y = h + max_h;
slouken@6862
   716
                }
stopiccot@6682
   717
            } else {
stopiccot@6682
   718
                info->ptMaxSize.x = w;
stopiccot@6682
   719
                info->ptMaxSize.y = h;
stopiccot@6682
   720
                info->ptMaxPosition.x = x;
stopiccot@6682
   721
                info->ptMaxPosition.y = y;
stopiccot@6682
   722
                info->ptMinTrackSize.x = w;
stopiccot@6682
   723
                info->ptMinTrackSize.y = h;
stopiccot@6682
   724
                info->ptMaxTrackSize.x = w;
stopiccot@6682
   725
                info->ptMaxTrackSize.y = h;
stopiccot@6682
   726
            }
slouken@1895
   727
        }
slouken@3566
   728
        returnCode = 0;
slouken@3566
   729
        break;
slouken@5086
   730
#endif /* WM_GETMINMAXINFO */
slouken@1895
   731
slouken@1895
   732
    case WM_WINDOWPOSCHANGED:
slouken@1895
   733
        {
slouken@1895
   734
            RECT rect;
slouken@1895
   735
            int x, y;
slouken@1895
   736
            int w, h;
slouken@8817
   737
            
slouken@9888
   738
            if (data->initializing || data->in_border_change) {
slouken@8817
   739
                break;
slouken@8817
   740
            }
slouken@1895
   741
slouken@8036
   742
            if (!GetClientRect(hwnd, &rect) || IsRectEmpty(&rect)) {
slouken@3256
   743
                break;
slouken@3256
   744
            }
slouken@1895
   745
            ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   746
            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   747
slouken@8036
   748
            WIN_UpdateClipCursor(data->window);
slouken@1895
   749
slouken@1895
   750
            x = rect.left;
slouken@1895
   751
            y = rect.top;
slouken@3685
   752
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@1895
   753
slouken@1895
   754
            w = rect.right - rect.left;
slouken@1895
   755
            h = rect.bottom - rect.top;
slouken@3685
   756
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, w,
slouken@1895
   757
                                h);
slouken@1895
   758
        }
slouken@1895
   759
        break;
slouken@1895
   760
slouken@7941
   761
    case WM_SIZE:
slouken@7941
   762
        {
slouken@8813
   763
            switch (wParam) {
slouken@7941
   764
            case SIZE_MAXIMIZED:
slouken@7941
   765
                SDL_SendWindowEvent(data->window,
slouken@7941
   766
                    SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@7941
   767
                break;
slouken@7941
   768
            case SIZE_MINIMIZED:
slouken@7941
   769
                SDL_SendWindowEvent(data->window,
slouken@7941
   770
                    SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@7941
   771
                break;
slouken@7941
   772
            default:
slouken@7941
   773
                SDL_SendWindowEvent(data->window,
slouken@7941
   774
                    SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@7941
   775
                break;
slouken@7941
   776
            }
slouken@7941
   777
        }
slouken@7941
   778
        break;
slouken@7941
   779
slouken@1895
   780
    case WM_SETCURSOR:
slouken@1895
   781
        {
slouken@3076
   782
            Uint16 hittest;
slouken@1895
   783
slouken@3076
   784
            hittest = LOWORD(lParam);
slouken@3076
   785
            if (hittest == HTCLIENT) {
slouken@5421
   786
                SetCursor(SDL_cursor);
slouken@3566
   787
                returnCode = TRUE;
slouken@8813
   788
            } else if (!g_WindowFrameUsableWhileCursorHidden && !SDL_cursor) {
slouken@8813
   789
                SetCursor(NULL);
slouken@8813
   790
                returnCode = TRUE;
slouken@3076
   791
            }
slouken@1895
   792
        }
slouken@1895
   793
        break;
slouken@1895
   794
slouken@1895
   795
        /* We were occluded, refresh our display */
slouken@1895
   796
    case WM_PAINT:
slouken@1895
   797
        {
slouken@1895
   798
            RECT rect;
slouken@1895
   799
            if (GetUpdateRect(hwnd, &rect, FALSE)) {
slouken@7295
   800
                ValidateRect(hwnd, NULL);
slouken@3685
   801
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED,
slouken@1895
   802
                                    0, 0);
slouken@1895
   803
            }
slouken@1895
   804
        }
slouken@3566
   805
        returnCode = 0;
slouken@3566
   806
        break;
slouken@3095
   807
slouken@1895
   808
        /* We'll do our own drawing, prevent flicker */
slouken@1895
   809
    case WM_ERASEBKGND:
slouken@1895
   810
        {
slouken@1895
   811
        }
slouken@1895
   812
        return (1);
slouken@1895
   813
slouken@1895
   814
    case WM_SYSCOMMAND:
slouken@1895
   815
        {
icculus@9624
   816
			if ((wParam & 0xFFF0) == SC_KEYMENU) {
icculus@9624
   817
				return (0);
icculus@9624
   818
			}
icculus@9624
   819
icculus@9624
   820
#if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
slouken@1895
   821
            /* Don't start the screensaver or blank the monitor in fullscreen apps */
slouken@1895
   822
            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
slouken@1895
   823
                (wParam & 0xFFF0) == SC_MONITORPOWER) {
slouken@3032
   824
                if (SDL_GetVideoDevice()->suspend_screensaver) {
slouken@1895
   825
                    return (0);
slouken@1895
   826
                }
slouken@1895
   827
            }
icculus@9624
   828
#endif /* System has screensaver support */
slouken@1895
   829
        }
slouken@1895
   830
        break;
slouken@1895
   831
slouken@1895
   832
    case WM_CLOSE:
slouken@1895
   833
        {
slouken@3685
   834
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
slouken@1895
   835
        }
slouken@3566
   836
        returnCode = 0;
slouken@3566
   837
        break;
slouken@4919
   838
slouken@7191
   839
    case WM_TOUCH:
slouken@7191
   840
        {
slouken@7191
   841
            UINT i, num_inputs = LOWORD(wParam);
slouken@7191
   842
            PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs);
slouken@7191
   843
            if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
slouken@7191
   844
                RECT rect;
slouken@7191
   845
                float x, y;
slouken@4919
   846
slouken@7191
   847
                if (!GetClientRect(hwnd, &rect) ||
slouken@7191
   848
                    (rect.right == rect.left && rect.bottom == rect.top)) {
philipp@7631
   849
                    if (inputs) {
philipp@7631
   850
                        SDL_stack_free(inputs);
philipp@7631
   851
                    }
slouken@7191
   852
                    break;
slouken@7191
   853
                }
slouken@7191
   854
                ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@7191
   855
                ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@7191
   856
                rect.top *= 100;
slouken@7191
   857
                rect.left *= 100;
slouken@7191
   858
                rect.bottom *= 100;
slouken@7191
   859
                rect.right *= 100;
slouken@4932
   860
slouken@7191
   861
                for (i = 0; i < num_inputs; ++i) {
slouken@7191
   862
                    PTOUCHINPUT input = &inputs[i];
slouken@4919
   863
icculus@7543
   864
                    const SDL_TouchID touchId = (SDL_TouchID)((size_t)input->hSource);
slouken@9679
   865
                    if (SDL_AddTouch(touchId, "") < 0) {
slouken@9679
   866
                        continue;
slouken@7191
   867
                    }
slouken@4932
   868
slouken@7191
   869
                    /* Get the normalized coordinates for the window */
slouken@7191
   870
                    x = (float)(input->x - rect.left)/(rect.right - rect.left);
slouken@7191
   871
                    y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
slouken@4932
   872
slouken@7191
   873
                    if (input->dwFlags & TOUCHEVENTF_DOWN) {
slouken@7191
   874
                        SDL_SendTouch(touchId, input->dwID, SDL_TRUE, x, y, 1.0f);
slouken@7191
   875
                    }
slouken@7191
   876
                    if (input->dwFlags & TOUCHEVENTF_MOVE) {
slouken@7191
   877
                        SDL_SendTouchMotion(touchId, input->dwID, x, y, 1.0f);
slouken@7191
   878
                    }
slouken@7191
   879
                    if (input->dwFlags & TOUCHEVENTF_UP) {
slouken@7191
   880
                        SDL_SendTouch(touchId, input->dwID, SDL_FALSE, x, y, 1.0f);
slouken@7191
   881
                    }
slouken@7191
   882
                }
slouken@7191
   883
            }
slouken@7191
   884
            SDL_stack_free(inputs);
slouken@4932
   885
slouken@7191
   886
            data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
slouken@7191
   887
            return 0;
slouken@7191
   888
        }
slouken@7191
   889
        break;
slouken@6523
   890
slouken@6523
   891
    case WM_DROPFILES:
slouken@6523
   892
        {
slouken@6523
   893
            UINT i;
slouken@6523
   894
            HDROP drop = (HDROP) wParam;
slouken@6523
   895
            UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0);
slouken@6523
   896
            for (i = 0; i < count; ++i) {
slouken@6523
   897
                UINT size = DragQueryFile(drop, i, NULL, 0) + 1;
slouken@6523
   898
                LPTSTR buffer = SDL_stack_alloc(TCHAR, size);
slouken@6523
   899
                if (buffer) {
slouken@6523
   900
                    if (DragQueryFile(drop, i, buffer, size)) {
slouken@6523
   901
                        char *file = WIN_StringToUTF8(buffer);
slouken@6523
   902
                        SDL_SendDropFile(file);
slouken@6523
   903
                        SDL_free(file);
slouken@6523
   904
                    }
slouken@6523
   905
                    SDL_stack_free(buffer);
slouken@6523
   906
                }
slouken@6523
   907
            }
slouken@6523
   908
            DragFinish(drop);
slouken@6523
   909
            return 0;
slouken@6523
   910
        }
slouken@6523
   911
        break;
icculus@8938
   912
icculus@8938
   913
    case WM_NCHITTEST:
icculus@8938
   914
        {
icculus@8938
   915
            SDL_Window *window = data->window;
icculus@8938
   916
            if (window->hit_test) {
icculus@8941
   917
                POINT winpoint = { (int) LOWORD(lParam), (int) HIWORD(lParam) };
slouken@8976
   918
                if (ScreenToClient(hwnd, &winpoint)) {
icculus@8941
   919
                    const SDL_Point point = { (int) winpoint.x, (int) winpoint.y };
icculus@8941
   920
                    const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
icculus@8948
   921
                    switch (rc) {
icculus@8948
   922
                        case SDL_HITTEST_DRAGGABLE: return HTCAPTION;
icculus@8948
   923
                        case SDL_HITTEST_RESIZE_TOPLEFT: return HTTOPLEFT;
icculus@8948
   924
                        case SDL_HITTEST_RESIZE_TOP: return HTTOP;
icculus@8948
   925
                        case SDL_HITTEST_RESIZE_TOPRIGHT: return HTTOPRIGHT;
icculus@8948
   926
                        case SDL_HITTEST_RESIZE_RIGHT: return HTRIGHT;
icculus@8948
   927
                        case SDL_HITTEST_RESIZE_BOTTOMRIGHT: return HTBOTTOMRIGHT;
icculus@8948
   928
                        case SDL_HITTEST_RESIZE_BOTTOM: return HTBOTTOM;
icculus@8948
   929
                        case SDL_HITTEST_RESIZE_BOTTOMLEFT: return HTBOTTOMLEFT;
icculus@8948
   930
                        case SDL_HITTEST_RESIZE_LEFT: return HTLEFT;
slouken@8976
   931
                        case SDL_HITTEST_NORMAL: return HTCLIENT;
icculus@8941
   932
                    }
icculus@8938
   933
                }
icculus@8948
   934
                /* If we didn't return, this will call DefWindowProc below. */
icculus@8938
   935
            }
icculus@8938
   936
        }
icculus@8938
   937
        break;
icculus@8938
   938
slouken@6523
   939
    }
slouken@3566
   940
slouken@3566
   941
    /* If there's a window proc, assume it's going to handle messages */
slouken@3566
   942
    if (data->wndproc) {
slouken@3566
   943
        return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
slouken@3566
   944
    } else if (returnCode >= 0) {
slouken@3566
   945
        return returnCode;
slouken@3566
   946
    } else {
slouken@3566
   947
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@3566
   948
    }
slouken@1895
   949
}
slouken@1895
   950
slouken@9597
   951
/* A message hook called before TranslateMessage() */
slouken@9597
   952
static SDL_WindowsMessageHook g_WindowsMessageHook = NULL;
slouken@9599
   953
static void *g_WindowsMessageHookData = NULL;
slouken@9597
   954
slouken@9599
   955
void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata)
slouken@9597
   956
{
slouken@9597
   957
    g_WindowsMessageHook = callback;
slouken@9599
   958
    g_WindowsMessageHookData = userdata;
slouken@9597
   959
}
slouken@9597
   960
slouken@1895
   961
void
slouken@1895
   962
WIN_PumpEvents(_THIS)
slouken@1895
   963
{
icculus@7561
   964
    const Uint8 *keystate;
slouken@1895
   965
    MSG msg;
slouken@8218
   966
    DWORD start_ticks = GetTickCount();
slouken@8218
   967
slouken@8814
   968
    if (g_WindowsEnableMessageLoop) {
slouken@8814
   969
        while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
slouken@9597
   970
            if (g_WindowsMessageHook) {
slouken@9599
   971
                g_WindowsMessageHook(g_WindowsMessageHookData, msg.hwnd, msg.message, msg.wParam, msg.lParam);
slouken@9597
   972
            }
slouken@9597
   973
slouken@8814
   974
            /* Always translate the message in case it's a non-SDL window (e.g. with Qt integration) */
slouken@8814
   975
            TranslateMessage(&msg);
slouken@8814
   976
            DispatchMessage(&msg);
slouken@8218
   977
slouken@8814
   978
            /* Make sure we don't busy loop here forever if there are lots of events coming in */
slouken@8814
   979
            if (SDL_TICKS_PASSED(msg.time, start_ticks)) {
slouken@8814
   980
                break;
slouken@8814
   981
            }
slouken@8218
   982
        }
slouken@1895
   983
    }
icculus@7561
   984
icculus@7561
   985
    /* Windows loses a shift KEYUP event when you have both pressed at once and let go of one.
icculus@7561
   986
       You won't get a KEYUP until both are released, and that keyup will only be for the second
icculus@7561
   987
       key you released. Take heroic measures and check the keystate as of the last handled event,
icculus@7561
   988
       and if we think a key is pressed when Windows doesn't, unstick it in SDL's state. */
icculus@7561
   989
    keystate = SDL_GetKeyboardState(NULL);
icculus@7561
   990
    if ((keystate[SDL_SCANCODE_LSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
icculus@7561
   991
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
icculus@7561
   992
    }
icculus@7561
   993
    if ((keystate[SDL_SCANCODE_RSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
icculus@7561
   994
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RSHIFT);
icculus@7561
   995
    }
slouken@1895
   996
}
slouken@1895
   997
slouken@1895
   998
static int app_registered = 0;
slouken@1895
   999
LPTSTR SDL_Appname = NULL;
slouken@1895
  1000
Uint32 SDL_Appstyle = 0;
slouken@1895
  1001
HINSTANCE SDL_Instance = NULL;
slouken@1895
  1002
slouken@1895
  1003
/* Register the class for this application */
slouken@1895
  1004
int
slouken@1895
  1005
SDL_RegisterApp(char *name, Uint32 style, void *hInst)
slouken@1895
  1006
{
slouken@1895
  1007
    WNDCLASS class;
slouken@1895
  1008
slouken@1895
  1009
    /* Only do this once... */
slouken@1895
  1010
    if (app_registered) {
slouken@1895
  1011
        ++app_registered;
slouken@1895
  1012
        return (0);
slouken@1895
  1013
    }
slouken@1895
  1014
    if (!name && !SDL_Appname) {
slouken@1895
  1015
        name = "SDL_app";
slouken@5086
  1016
#if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC)
slouken@1895
  1017
        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
slouken@5086
  1018
#endif
slouken@1895
  1019
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
  1020
    }
slouken@1895
  1021
slouken@1895
  1022
    if (name) {
slouken@1895
  1023
        SDL_Appname = WIN_UTF8ToString(name);
slouken@1895
  1024
        SDL_Appstyle = style;
slouken@1895
  1025
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
  1026
    }
slouken@1895
  1027
slouken@1895
  1028
    /* Register the application class */
slouken@1895
  1029
    class.hCursor = NULL;
slouken@2710
  1030
    class.hIcon =
slouken@2710
  1031
        LoadImage(SDL_Instance, SDL_Appname, IMAGE_ICON, 0, 0,
slouken@2710
  1032
                  LR_DEFAULTCOLOR);
slouken@1895
  1033
    class.lpszMenuName = NULL;
slouken@1895
  1034
    class.lpszClassName = SDL_Appname;
slouken@1895
  1035
    class.hbrBackground = NULL;
slouken@1895
  1036
    class.hInstance = SDL_Instance;
slouken@1895
  1037
    class.style = SDL_Appstyle;
dewyatt@4733
  1038
    class.lpfnWndProc = WIN_WindowProc;
slouken@1895
  1039
    class.cbWndExtra = 0;
slouken@1895
  1040
    class.cbClsExtra = 0;
slouken@1895
  1041
    if (!RegisterClass(&class)) {
icculus@7037
  1042
        return SDL_SetError("Couldn't register application class");
slouken@1895
  1043
    }
slouken@1895
  1044
slouken@1895
  1045
    app_registered = 1;
icculus@7037
  1046
    return 0;
slouken@1895
  1047
}
slouken@1895
  1048
slouken@1895
  1049
/* Unregisters the windowclass registered in SDL_RegisterApp above. */
slouken@1895
  1050
void
slouken@1895
  1051
SDL_UnregisterApp()
slouken@1895
  1052
{
slouken@1895
  1053
    WNDCLASS class;
slouken@1895
  1054
slouken@1895
  1055
    /* SDL_RegisterApp might not have been called before */
slouken@1895
  1056
    if (!app_registered) {
slouken@1895
  1057
        return;
slouken@1895
  1058
    }
slouken@1895
  1059
    --app_registered;
slouken@1895
  1060
    if (app_registered == 0) {
slouken@1895
  1061
        /* Check for any registered window classes. */
slouken@1895
  1062
        if (GetClassInfo(SDL_Instance, SDL_Appname, &class)) {
slouken@1895
  1063
            UnregisterClass(SDL_Appname, SDL_Instance);
slouken@1895
  1064
        }
slouken@1895
  1065
        SDL_free(SDL_Appname);
slouken@1895
  1066
        SDL_Appname = NULL;
slouken@1895
  1067
    }
slouken@1895
  1068
}
slouken@1895
  1069
slouken@6044
  1070
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
  1071
slouken@1895
  1072
/* vi: set ts=4 sw=4 expandtab: */