src/video/windows/SDL_windowsevents.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 29 Sep 2016 03:59:04 -0700
changeset 10377 7fde2d881171
parent 10028 da668b612d10
child 10379 84be6396b68b
permissions -rw-r--r--
When clicking on a window to give it focus, don't pass the mouse click to the application.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2016 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 & 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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            if (!data->focus_click_pending) {
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                WIN_UpdateClipCursor(data->window);
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            }
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        }
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        return;
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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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}
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   271
void
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WIN_CheckAsyncMouseRelease(SDL_WindowData *data)
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{
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   274
    Uint32 mouseFlags;
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    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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    keyState = GetAsyncKeyState(VK_LBUTTON);
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    if (!(keyState & 0x8000)) {
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        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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    if (!(keyState & 0x8000)) {
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        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
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   289
    }
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   290
    keyState = GetAsyncKeyState(VK_MBUTTON);
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   291
    if (!(keyState & 0x8000)) {
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   292
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
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    }
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   294
    keyState = GetAsyncKeyState(VK_XBUTTON1);
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   295
    if (!(keyState & 0x8000)) {
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   296
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
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   297
    }
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   298
    keyState = GetAsyncKeyState(VK_XBUTTON2);
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   299
    if (!(keyState & 0x8000)) {
dludwig@9668
   300
        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
slouken@8796
   301
    }
slouken@8212
   302
    data->mouse_button_flags = 0;
slouken@8212
   303
}
slouken@8212
   304
slouken@9781
   305
BOOL 
slouken@7645
   306
WIN_ConvertUTF32toUTF8(UINT32 codepoint, char * text)
slouken@7645
   307
{
slouken@7645
   308
    if (codepoint <= 0x7F) {
slouken@7645
   309
        text[0] = (char) codepoint;
slouken@7645
   310
        text[1] = '\0';
slouken@7645
   311
    } else if (codepoint <= 0x7FF) {
slouken@7645
   312
        text[0] = 0xC0 | (char) ((codepoint >> 6) & 0x1F);
slouken@7645
   313
        text[1] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   314
        text[2] = '\0';
slouken@7645
   315
    } else if (codepoint <= 0xFFFF) {
slouken@7645
   316
        text[0] = 0xE0 | (char) ((codepoint >> 12) & 0x0F);
slouken@7645
   317
        text[1] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
slouken@7645
   318
        text[2] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   319
        text[3] = '\0';
slouken@7645
   320
    } else if (codepoint <= 0x10FFFF) {
slouken@7645
   321
        text[0] = 0xF0 | (char) ((codepoint >> 18) & 0x0F);
slouken@7645
   322
        text[1] = 0x80 | (char) ((codepoint >> 12) & 0x3F);
slouken@7645
   323
        text[2] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
slouken@7645
   324
        text[3] = 0x80 | (char) (codepoint & 0x3F);
slouken@7645
   325
        text[4] = '\0';
slouken@7645
   326
    } else {
slouken@7645
   327
        return SDL_FALSE;
slouken@7645
   328
    }
slouken@7645
   329
    return SDL_TRUE;
slouken@7645
   330
}
slouken@7645
   331
andrewb@9829
   332
static SDL_bool
andrewb@9829
   333
ShouldGenerateWindowCloseOnAltF4(void)
andrewb@9829
   334
{
andrewb@9829
   335
    const char *hint;
andrewb@9829
   336
    
andrewb@9829
   337
    hint = SDL_GetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4);
andrewb@9829
   338
    if (hint) {
andrewb@9829
   339
        if (*hint == '0') {
andrewb@9829
   340
            return SDL_TRUE;
andrewb@9829
   341
        } else {
andrewb@9829
   342
            return SDL_FALSE;
andrewb@9829
   343
        }
andrewb@9829
   344
    }
andrewb@9829
   345
    return SDL_TRUE;
andrewb@9829
   346
}
andrewb@9829
   347
slouken@1895
   348
LRESULT CALLBACK
slouken@1895
   349
WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
slouken@1895
   350
{
slouken@1895
   351
    SDL_WindowData *data;
slouken@3566
   352
    LRESULT returnCode = -1;
slouken@1895
   353
slouken@1951
   354
    /* Send a SDL_SYSWMEVENT if the application wants them */
slouken@4429
   355
    if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
slouken@1951
   356
        SDL_SysWMmsg wmmsg;
slouken@1951
   357
slouken@1951
   358
        SDL_VERSION(&wmmsg.version);
slouken@4900
   359
        wmmsg.subsystem = SDL_SYSWM_WINDOWS;
slouken@5056
   360
        wmmsg.msg.win.hwnd = hwnd;
slouken@5056
   361
        wmmsg.msg.win.msg = msg;
slouken@5056
   362
        wmmsg.msg.win.wParam = wParam;
slouken@5056
   363
        wmmsg.msg.win.lParam = lParam;
slouken@1951
   364
        SDL_SendSysWMEvent(&wmmsg);
slouken@1951
   365
    }
slouken@1951
   366
slouken@1895
   367
    /* Get the window data for the window */
slouken@1895
   368
    data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
slouken@1895
   369
    if (!data) {
slouken@1895
   370
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@1895
   371
    }
jimtla@4650
   372
slouken@1895
   373
#ifdef WMMSG_DEBUG
slouken@7941
   374
    {
slouken@7941
   375
        char message[1024];
slouken@7941
   376
        if (msg > MAX_WMMSG) {
slouken@7941
   377
            SDL_snprintf(message, sizeof(message), "Received windows message: %p UNKNOWN (%d) -- 0x%X, 0x%X\n", hwnd, msg, wParam, lParam);
slouken@7941
   378
        } else {
slouken@7941
   379
            SDL_snprintf(message, sizeof(message), "Received windows message: %p %s -- 0x%X, 0x%X\n", hwnd, wmtab[msg], wParam, lParam);
slouken@7941
   380
        }
slouken@7941
   381
        OutputDebugStringA(message);
slouken@7941
   382
    }
slouken@7816
   383
#endif /* WMMSG_DEBUG */
slouken@2710
   384
dewyatt@4752
   385
    if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata))
dewyatt@4752
   386
        return 0;
slouken@1895
   387
slouken@1895
   388
    switch (msg) {
slouken@1895
   389
slouken@1895
   390
    case WM_SHOWWINDOW:
slouken@1895
   391
        {
slouken@1895
   392
            if (wParam) {
slouken@3685
   393
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
   394
            } else {
slouken@3685
   395
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
   396
            }
slouken@1895
   397
        }
slouken@1895
   398
        break;
slouken@1895
   399
slouken@1895
   400
    case WM_ACTIVATE:
slouken@1895
   401
        {
slouken@8796
   402
            POINT cursorPos;
slouken@1895
   403
            BOOL minimized;
slouken@1895
   404
slouken@1895
   405
            minimized = HIWORD(wParam);
slouken@1895
   406
            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
slouken@10377
   407
                if (GetAsyncKeyState(VK_LBUTTON)) {
slouken@10377
   408
                    data->focus_click_pending |= SDL_BUTTON_LMASK;
slouken@10377
   409
                }
slouken@10377
   410
                if (GetAsyncKeyState(VK_RBUTTON)) {
slouken@10377
   411
                    data->focus_click_pending |= SDL_BUTTON_RMASK;
slouken@10377
   412
                }
slouken@10377
   413
                if (GetAsyncKeyState(VK_MBUTTON)) {
slouken@10377
   414
                    data->focus_click_pending |= SDL_BUTTON_MMASK;
slouken@10377
   415
                }
slouken@10377
   416
                if (GetAsyncKeyState(VK_XBUTTON1)) {
slouken@10377
   417
                    data->focus_click_pending |= SDL_BUTTON_X1MASK;
slouken@10377
   418
                }
slouken@10377
   419
                if (GetAsyncKeyState(VK_XBUTTON2)) {
slouken@10377
   420
                    data->focus_click_pending |= SDL_BUTTON_X2MASK;
slouken@10377
   421
                }
slouken@10377
   422
                
slouken@3685
   423
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@4465
   424
                if (SDL_GetKeyboardFocus() != data->window) {
slouken@4465
   425
                    SDL_SetKeyboardFocus(data->window);
slouken@1895
   426
                }
slouken@8796
   427
                
slouken@8796
   428
                GetCursorPos(&cursorPos);
slouken@8796
   429
                ScreenToClient(hwnd, &cursorPos);
slouken@8796
   430
                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
slouken@8796
   431
                
slouken@8212
   432
                WIN_CheckAsyncMouseRelease(data);
slouken@6350
   433
slouken@4504
   434
                /*
slouken@4504
   435
                 * FIXME: Update keyboard state
slouken@4504
   436
                 */
slouken@4504
   437
                WIN_CheckClipboardUpdate(data->videodata);
icculus@9974
   438
icculus@9974
   439
                SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
icculus@9974
   440
                SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
slouken@1895
   441
            } else {
dludwig@9990
   442
                data->in_window_deactivation = SDL_TRUE;
dludwig@9990
   443
slouken@4465
   444
                if (SDL_GetKeyboardFocus() == data->window) {
slouken@4465
   445
                    SDL_SetKeyboardFocus(NULL);
slouken@1895
   446
                }
slouken@8050
   447
slouken@8050
   448
                ClipCursor(NULL);
dludwig@9990
   449
dludwig@9990
   450
                data->in_window_deactivation = SDL_FALSE;
slouken@1895
   451
            }
slouken@1895
   452
        }
slouken@3566
   453
        returnCode = 0;
slouken@3566
   454
        break;
slouken@1895
   455
slouken@7191
   456
    case WM_MOUSEMOVE:
slouken@8071
   457
        {
slouken@8071
   458
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   459
            if (!mouse->relative_mode || mouse->relative_mode_warp) {
dludwig@9668
   460
                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
dludwig@9668
   461
                SDL_SendMouseMotion(data->window, mouseID, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
slouken@8071
   462
            }
slouken@8071
   463
        }
slouken@7191
   464
        /* don't break here, fall through to check the wParam like the button presses */
slouken@7191
   465
    case WM_LBUTTONUP:
slouken@7191
   466
    case WM_RBUTTONUP:
slouken@7191
   467
    case WM_MBUTTONUP:
slouken@7191
   468
    case WM_XBUTTONUP:
slouken@7191
   469
    case WM_LBUTTONDOWN:
slouken@8713
   470
    case WM_LBUTTONDBLCLK:
slouken@7191
   471
    case WM_RBUTTONDOWN:
slouken@8713
   472
    case WM_RBUTTONDBLCLK:
slouken@7191
   473
    case WM_MBUTTONDOWN:
slouken@8713
   474
    case WM_MBUTTONDBLCLK:
slouken@7191
   475
    case WM_XBUTTONDOWN:
slouken@8713
   476
    case WM_XBUTTONDBLCLK:
slouken@8071
   477
        {
slouken@8071
   478
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   479
            if (!mouse->relative_mode || mouse->relative_mode_warp) {
dludwig@9668
   480
                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
dludwig@9668
   481
                WIN_CheckWParamMouseButtons(wParam, data, mouseID);
slouken@8071
   482
            }
slouken@8071
   483
        }
slouken@7191
   484
        break;
slouken@3139
   485
slouken@7191
   486
    case WM_INPUT:
slouken@8071
   487
        {
slouken@8071
   488
            SDL_Mouse *mouse = SDL_GetMouse();
slouken@8071
   489
            HRAWINPUT hRawInput = (HRAWINPUT)lParam;
slouken@8071
   490
            RAWINPUT inp;
slouken@8071
   491
            UINT size = sizeof(inp);
icculus@8942
   492
            const SDL_bool isRelative = mouse->relative_mode || mouse->relative_mode_warp;
icculus@8942
   493
            const SDL_bool isCapture = ((data->window->flags & SDL_WINDOW_MOUSE_CAPTURE) != 0);
slouken@6782
   494
icculus@8942
   495
            if (!isRelative || mouse->focus != data->window) {
icculus@8942
   496
                if (!isCapture) {
icculus@8942
   497
                    break;
icculus@8942
   498
                }
slouken@8071
   499
            }
slouken@6782
   500
slouken@8071
   501
            GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
slouken@6350
   502
slouken@8071
   503
            /* Mouse data */
slouken@8071
   504
            if (inp.header.dwType == RIM_TYPEMOUSE) {
icculus@8942
   505
                if (isRelative) {
slouken@8976
   506
                    RAWMOUSE* rawmouse = &inp.data.mouse;
slouken@6350
   507
slouken@8976
   508
                    if ((rawmouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) {
slouken@8976
   509
                        SDL_SendMouseMotion(data->window, 0, 1, (int)rawmouse->lLastX, (int)rawmouse->lLastY);
icculus@8942
   510
                    } else {
icculus@8942
   511
                        /* synthesize relative moves from the abs position */
icculus@8942
   512
                        static SDL_Point initialMousePoint;
icculus@8942
   513
                        if (initialMousePoint.x == 0 && initialMousePoint.y == 0) {
slouken@8976
   514
                            initialMousePoint.x = rawmouse->lLastX;
slouken@8976
   515
                            initialMousePoint.y = rawmouse->lLastY;
icculus@8942
   516
                        }
icculus@8942
   517
slouken@8976
   518
                        SDL_SendMouseMotion(data->window, 0, 1, (int)(rawmouse->lLastX-initialMousePoint.x), (int)(rawmouse->lLastY-initialMousePoint.y) );
icculus@8942
   519
slouken@8976
   520
                        initialMousePoint.x = rawmouse->lLastX;
slouken@8976
   521
                        initialMousePoint.y = rawmouse->lLastY;
slouken@8071
   522
                    }
slouken@8976
   523
                    WIN_CheckRawMouseButtons(rawmouse->usButtonFlags, data);
icculus@8942
   524
                } else if (isCapture) {
icculus@8942
   525
                    /* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */
icculus@8942
   526
                    POINT pt;
icculus@8942
   527
                    GetCursorPos(&pt);
icculus@8942
   528
                    if (WindowFromPoint(pt) != hwnd) {  /* if in the window, WM_MOUSEMOVE, etc, will cover it. */
slouken@8976
   529
                        ScreenToClient(hwnd, &pt);
icculus@8942
   530
                        SDL_SendMouseMotion(data->window, 0, 0, (int) pt.x, (int) pt.y);
icculus@8949
   531
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT);
icculus@8949
   532
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT);
icculus@8949
   533
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE);
icculus@8949
   534
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X1);
icculus@8949
   535
                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X2);
icculus@8942
   536
                    }
icculus@8942
   537
                } else {
icculus@8942
   538
                    SDL_assert(0 && "Shouldn't happen");
slouken@7191
   539
                }
slouken@7191
   540
            }
slouken@7191
   541
        }
slouken@7191
   542
        break;
slouken@6350
   543
slouken@5049
   544
    case WM_MOUSEWHEEL:
slouken@5049
   545
        {
slouken@7813
   546
            static short s_AccumulatedMotion;
slouken@5049
   547
slouken@7813
   548
            s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
slouken@7813
   549
            if (s_AccumulatedMotion > 0) {
slouken@7813
   550
                while (s_AccumulatedMotion >= WHEEL_DELTA) {
urkle@9257
   551
                    SDL_SendMouseWheel(data->window, 0, 0, 1, SDL_MOUSEWHEEL_NORMAL);
slouken@7813
   552
                    s_AccumulatedMotion -= WHEEL_DELTA;
slouken@7813
   553
                }
slouken@7813
   554
            } else {
slouken@7813
   555
                while (s_AccumulatedMotion <= -WHEEL_DELTA) {
urkle@9257
   556
                    SDL_SendMouseWheel(data->window, 0, 0, -1, SDL_MOUSEWHEEL_NORMAL);
slouken@7813
   557
                    s_AccumulatedMotion += WHEEL_DELTA;
slouken@7813
   558
                }
slouken@7813
   559
            }
slouken@5049
   560
        }
slouken@8071
   561
        break;
slouken@5049
   562
slouken@7911
   563
    case WM_MOUSEHWHEEL:
slouken@7911
   564
        {
slouken@7911
   565
            static short s_AccumulatedMotion;
slouken@7911
   566
slouken@7911
   567
            s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
slouken@7911
   568
            if (s_AccumulatedMotion > 0) {
slouken@7911
   569
                while (s_AccumulatedMotion >= WHEEL_DELTA) {
urkle@9257
   570
                    SDL_SendMouseWheel(data->window, 0, 1, 0, SDL_MOUSEWHEEL_NORMAL);
slouken@7911
   571
                    s_AccumulatedMotion -= WHEEL_DELTA;
slouken@7911
   572
                }
slouken@7911
   573
            } else {
slouken@7911
   574
                while (s_AccumulatedMotion <= -WHEEL_DELTA) {
urkle@9257
   575
                    SDL_SendMouseWheel(data->window, 0, -1, 0, SDL_MOUSEWHEEL_NORMAL);
slouken@7911
   576
                    s_AccumulatedMotion += WHEEL_DELTA;
slouken@7911
   577
                }
slouken@7911
   578
            }
slouken@7911
   579
        }
slouken@8071
   580
        break;
slouken@7911
   581
slouken@5086
   582
#ifdef WM_MOUSELEAVE
slouken@1895
   583
    case WM_MOUSELEAVE:
icculus@8942
   584
        if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode && !(data->window->flags & SDL_WINDOW_MOUSE_CAPTURE)) {
slouken@8035
   585
            if (!IsIconic(hwnd)) {
slouken@8035
   586
                POINT cursorPos;
slouken@8035
   587
                GetCursorPos(&cursorPos);
slouken@8035
   588
                ScreenToClient(hwnd, &cursorPos);
slouken@8035
   589
                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
slouken@8035
   590
            }
slouken@7191
   591
            SDL_SetMouseFocus(NULL);
slouken@1895
   592
        }
slouken@3566
   593
        returnCode = 0;
slouken@3566
   594
        break;
slouken@5086
   595
#endif /* WM_MOUSELEAVE */
slouken@1895
   596
slouken@7645
   597
    case WM_KEYDOWN:
slouken@7646
   598
    case WM_SYSKEYDOWN:
slouken@7645
   599
        {
slouken@8813
   600
            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
icculus@9641
   601
            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
icculus@9641
   602
icculus@9641
   603
            /* Detect relevant keyboard shortcuts */
icculus@9641
   604
            if (keyboardState[SDL_SCANCODE_LALT] == SDL_PRESSED || keyboardState[SDL_SCANCODE_RALT] == SDL_PRESSED) {
icculus@9641
   605
                /* ALT+F4: Close window */
andrewb@9829
   606
                if (code == SDL_SCANCODE_F4 && ShouldGenerateWindowCloseOnAltF4()) {
icculus@9641
   607
                    SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
icculus@9641
   608
                }
icculus@9641
   609
            }
icculus@9641
   610
slouken@8813
   611
            if (code != SDL_SCANCODE_UNKNOWN) {
slouken@8813
   612
                SDL_SendKeyboardKey(SDL_PRESSED, code);
slouken@7646
   613
            }
slouken@7646
   614
        }
slouken@9781
   615
 
slouken@3566
   616
        returnCode = 0;
slouken@3566
   617
        break;
slouken@1895
   618
slouken@1895
   619
    case WM_SYSKEYUP:
slouken@1895
   620
    case WM_KEYUP:
slouken@1895
   621
        {
slouken@8813
   622
            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
gabomdq@7975
   623
            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
gabomdq@7975
   624
slouken@8813
   625
            if (code != SDL_SCANCODE_UNKNOWN) {
slouken@6938
   626
                if (code == SDL_SCANCODE_PRINTSCREEN &&
gabomdq@7975
   627
                    keyboardState[code] == SDL_RELEASED) {
slouken@6938
   628
                    SDL_SendKeyboardKey(SDL_PRESSED, code);
slouken@6938
   629
                }
slouken@6938
   630
                SDL_SendKeyboardKey(SDL_RELEASED, code);
slouken@2308
   631
            }
slouken@1895
   632
        }
slouken@3566
   633
        returnCode = 0;
slouken@3566
   634
        break;
slouken@1895
   635
slouken@8143
   636
    case WM_UNICHAR:
slouken@9889
   637
        if ( wParam == UNICODE_NOCHAR ) {
slouken@9889
   638
            returnCode = 1;
slouken@9889
   639
            break;
slouken@9889
   640
        }
slouken@9889
   641
        /* otherwise fall through to below */
slouken@9889
   642
    case WM_CHAR:
slouken@9889
   643
        {
slouken@9889
   644
            char text[5];
slouken@9889
   645
            if ( WIN_ConvertUTF32toUTF8( (UINT32)wParam, text ) ) {
slouken@9889
   646
                SDL_SendKeyboardText( text );
slouken@9889
   647
            }
slouken@9889
   648
        }
slouken@9889
   649
        returnCode = 0;
slouken@8143
   650
        break;
slouken@8143
   651
slouken@5086
   652
#ifdef WM_INPUTLANGCHANGE
slouken@2311
   653
    case WM_INPUTLANGCHANGE:
slouken@2311
   654
        {
slouken@4465
   655
            WIN_UpdateKeymap();
slouken@9898
   656
            SDL_SendKeymapChangedEvent();
slouken@2311
   657
        }
slouken@3566
   658
        returnCode = 1;
slouken@3566
   659
        break;
slouken@5086
   660
#endif /* WM_INPUTLANGCHANGE */
slouken@2311
   661
slouken@8253
   662
    case WM_NCLBUTTONDOWN:
slouken@8253
   663
        {
slouken@8253
   664
            data->in_title_click = SDL_TRUE;
slouken@8253
   665
        }
slouken@8253
   666
        break;
slouken@8253
   667
slouken@8916
   668
    case WM_CAPTURECHANGED:
slouken@8253
   669
        {
slouken@8253
   670
            data->in_title_click = SDL_FALSE;
slouken@8253
   671
slouken@8916
   672
            /* The mouse may have been released during a modal loop */
slouken@8212
   673
            WIN_CheckAsyncMouseRelease(data);
slouken@8036
   674
        }
slouken@8036
   675
        break;
slouken@8036
   676
slouken@5086
   677
#ifdef WM_GETMINMAXINFO
slouken@1895
   678
    case WM_GETMINMAXINFO:
slouken@1895
   679
        {
slouken@1895
   680
            MINMAXINFO *info;
slouken@1895
   681
            RECT size;
slouken@1895
   682
            int x, y;
slouken@1895
   683
            int w, h;
stopiccot@6682
   684
            int min_w, min_h;
slouken@6788
   685
            int max_w, max_h;
slouken@1895
   686
            int style;
slouken@3168
   687
            BOOL menu;
slouken@7191
   688
            BOOL constrain_max_size;
slouken@1895
   689
stopiccot@6682
   690
            if (SDL_IsShapedWindow(data->window))
eligottlieb@4815
   691
                Win32_ResizeWindowShape(data->window);
slouken@1895
   692
slouken@7941
   693
            /* If this is an expected size change, allow it */
slouken@7941
   694
            if (data->expected_resize) {
slouken@7941
   695
                break;
slouken@7941
   696
            }
slouken@7941
   697
slouken@1895
   698
            /* Get the current position of our window */
slouken@1895
   699
            GetWindowRect(hwnd, &size);
slouken@1895
   700
            x = size.left;
slouken@1895
   701
            y = size.top;
slouken@1895
   702
slouken@1895
   703
            /* Calculate current size of our window */
slouken@3685
   704
            SDL_GetWindowSize(data->window, &w, &h);
stopiccot@6682
   705
            SDL_GetWindowMinimumSize(data->window, &min_w, &min_h);
slouken@6788
   706
            SDL_GetWindowMaximumSize(data->window, &max_w, &max_h);
stopiccot@6682
   707
slouken@7191
   708
            /* Store in min_w and min_h difference between current size and minimal
stopiccot@6682
   709
               size so we don't need to call AdjustWindowRectEx twice */
stopiccot@6682
   710
            min_w -= w;
stopiccot@6682
   711
            min_h -= h;
slouken@6837
   712
            if (max_w && max_h) {
slouken@6837
   713
                max_w -= w;
slouken@6837
   714
                max_h -= h;
slouken@6862
   715
                constrain_max_size = TRUE;
slouken@6862
   716
            } else {
slouken@6862
   717
                constrain_max_size = FALSE;
slouken@6837
   718
            }
stopiccot@6682
   719
slouken@1895
   720
            size.top = 0;
slouken@1895
   721
            size.left = 0;
slouken@1895
   722
            size.bottom = h;
slouken@1895
   723
            size.right = w;
slouken@1895
   724
slouken@3168
   725
            style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   726
            /* DJM - according to the docs for GetMenu(), the
slouken@1895
   727
               return value is undefined if hwnd is a child window.
slouken@8817
   728
               Apparently it's too difficult for MS to check
slouken@1895
   729
               inside their function, so I have to do it here.
slouken@1895
   730
             */
slouken@3168
   731
            menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   732
            AdjustWindowRectEx(&size, style, menu, 0);
slouken@1895
   733
            w = size.right - size.left;
slouken@1895
   734
            h = size.bottom - size.top;
slouken@1895
   735
slouken@1895
   736
            /* Fix our size to the current size */
slouken@1895
   737
            info = (MINMAXINFO *) lParam;
stopiccot@6682
   738
            if (SDL_GetWindowFlags(data->window) & SDL_WINDOW_RESIZABLE) {
stopiccot@6682
   739
                info->ptMinTrackSize.x = w + min_w;
stopiccot@6682
   740
                info->ptMinTrackSize.y = h + min_h;
slouken@6862
   741
                if (constrain_max_size) {
slouken@6862
   742
                    info->ptMaxTrackSize.x = w + max_w;
slouken@6862
   743
                    info->ptMaxTrackSize.y = h + max_h;
slouken@6862
   744
                }
stopiccot@6682
   745
            } else {
stopiccot@6682
   746
                info->ptMaxSize.x = w;
stopiccot@6682
   747
                info->ptMaxSize.y = h;
stopiccot@6682
   748
                info->ptMaxPosition.x = x;
stopiccot@6682
   749
                info->ptMaxPosition.y = y;
stopiccot@6682
   750
                info->ptMinTrackSize.x = w;
stopiccot@6682
   751
                info->ptMinTrackSize.y = h;
stopiccot@6682
   752
                info->ptMaxTrackSize.x = w;
stopiccot@6682
   753
                info->ptMaxTrackSize.y = h;
stopiccot@6682
   754
            }
slouken@1895
   755
        }
slouken@3566
   756
        returnCode = 0;
slouken@3566
   757
        break;
slouken@5086
   758
#endif /* WM_GETMINMAXINFO */
slouken@1895
   759
slouken@1895
   760
    case WM_WINDOWPOSCHANGED:
slouken@1895
   761
        {
slouken@1895
   762
            RECT rect;
slouken@1895
   763
            int x, y;
slouken@1895
   764
            int w, h;
slouken@8817
   765
            
slouken@9888
   766
            if (data->initializing || data->in_border_change) {
slouken@8817
   767
                break;
slouken@8817
   768
            }
slouken@1895
   769
slouken@8036
   770
            if (!GetClientRect(hwnd, &rect) || IsRectEmpty(&rect)) {
slouken@3256
   771
                break;
slouken@3256
   772
            }
slouken@1895
   773
            ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   774
            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   775
slouken@8036
   776
            WIN_UpdateClipCursor(data->window);
slouken@1895
   777
slouken@1895
   778
            x = rect.left;
slouken@1895
   779
            y = rect.top;
slouken@3685
   780
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@1895
   781
slouken@1895
   782
            w = rect.right - rect.left;
slouken@1895
   783
            h = rect.bottom - rect.top;
slouken@3685
   784
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, w,
slouken@1895
   785
                                h);
slouken@1895
   786
        }
slouken@1895
   787
        break;
slouken@1895
   788
slouken@7941
   789
    case WM_SIZE:
slouken@7941
   790
        {
slouken@8813
   791
            switch (wParam) {
slouken@7941
   792
            case SIZE_MAXIMIZED:
slouken@7941
   793
                SDL_SendWindowEvent(data->window,
slouken@7941
   794
                    SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@7941
   795
                break;
slouken@7941
   796
            case SIZE_MINIMIZED:
slouken@7941
   797
                SDL_SendWindowEvent(data->window,
slouken@7941
   798
                    SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@7941
   799
                break;
slouken@7941
   800
            default:
slouken@7941
   801
                SDL_SendWindowEvent(data->window,
slouken@7941
   802
                    SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@7941
   803
                break;
slouken@7941
   804
            }
slouken@7941
   805
        }
slouken@7941
   806
        break;
slouken@7941
   807
slouken@1895
   808
    case WM_SETCURSOR:
slouken@1895
   809
        {
slouken@3076
   810
            Uint16 hittest;
slouken@1895
   811
slouken@3076
   812
            hittest = LOWORD(lParam);
slouken@3076
   813
            if (hittest == HTCLIENT) {
slouken@5421
   814
                SetCursor(SDL_cursor);
slouken@3566
   815
                returnCode = TRUE;
slouken@8813
   816
            } else if (!g_WindowFrameUsableWhileCursorHidden && !SDL_cursor) {
slouken@8813
   817
                SetCursor(NULL);
slouken@8813
   818
                returnCode = TRUE;
slouken@3076
   819
            }
slouken@1895
   820
        }
slouken@1895
   821
        break;
slouken@1895
   822
slouken@1895
   823
        /* We were occluded, refresh our display */
slouken@1895
   824
    case WM_PAINT:
slouken@1895
   825
        {
slouken@1895
   826
            RECT rect;
slouken@1895
   827
            if (GetUpdateRect(hwnd, &rect, FALSE)) {
slouken@7295
   828
                ValidateRect(hwnd, NULL);
slouken@3685
   829
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED,
slouken@1895
   830
                                    0, 0);
slouken@1895
   831
            }
slouken@1895
   832
        }
slouken@3566
   833
        returnCode = 0;
slouken@3566
   834
        break;
slouken@3095
   835
slouken@1895
   836
        /* We'll do our own drawing, prevent flicker */
slouken@1895
   837
    case WM_ERASEBKGND:
slouken@1895
   838
        {
slouken@1895
   839
        }
slouken@1895
   840
        return (1);
slouken@1895
   841
slouken@1895
   842
    case WM_SYSCOMMAND:
slouken@1895
   843
        {
slouken@9889
   844
            if ((wParam & 0xFFF0) == SC_KEYMENU) {
slouken@9889
   845
                return (0);
slouken@9889
   846
            }
icculus@9624
   847
icculus@9624
   848
#if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
slouken@1895
   849
            /* Don't start the screensaver or blank the monitor in fullscreen apps */
slouken@1895
   850
            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
slouken@1895
   851
                (wParam & 0xFFF0) == SC_MONITORPOWER) {
slouken@3032
   852
                if (SDL_GetVideoDevice()->suspend_screensaver) {
slouken@1895
   853
                    return (0);
slouken@1895
   854
                }
slouken@1895
   855
            }
icculus@9624
   856
#endif /* System has screensaver support */
slouken@1895
   857
        }
slouken@1895
   858
        break;
slouken@1895
   859
slouken@1895
   860
    case WM_CLOSE:
slouken@1895
   861
        {
slouken@3685
   862
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
slouken@1895
   863
        }
slouken@3566
   864
        returnCode = 0;
slouken@3566
   865
        break;
slouken@4919
   866
slouken@7191
   867
    case WM_TOUCH:
slouken@7191
   868
        {
slouken@7191
   869
            UINT i, num_inputs = LOWORD(wParam);
slouken@7191
   870
            PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs);
slouken@7191
   871
            if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
slouken@7191
   872
                RECT rect;
slouken@7191
   873
                float x, y;
slouken@4919
   874
slouken@7191
   875
                if (!GetClientRect(hwnd, &rect) ||
slouken@7191
   876
                    (rect.right == rect.left && rect.bottom == rect.top)) {
philipp@7631
   877
                    if (inputs) {
philipp@7631
   878
                        SDL_stack_free(inputs);
philipp@7631
   879
                    }
slouken@7191
   880
                    break;
slouken@7191
   881
                }
slouken@7191
   882
                ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@7191
   883
                ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@7191
   884
                rect.top *= 100;
slouken@7191
   885
                rect.left *= 100;
slouken@7191
   886
                rect.bottom *= 100;
slouken@7191
   887
                rect.right *= 100;
slouken@4932
   888
slouken@7191
   889
                for (i = 0; i < num_inputs; ++i) {
slouken@7191
   890
                    PTOUCHINPUT input = &inputs[i];
slouken@4919
   891
icculus@7543
   892
                    const SDL_TouchID touchId = (SDL_TouchID)((size_t)input->hSource);
slouken@9679
   893
                    if (SDL_AddTouch(touchId, "") < 0) {
slouken@9679
   894
                        continue;
slouken@7191
   895
                    }
slouken@4932
   896
slouken@7191
   897
                    /* Get the normalized coordinates for the window */
slouken@7191
   898
                    x = (float)(input->x - rect.left)/(rect.right - rect.left);
slouken@7191
   899
                    y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
slouken@4932
   900
slouken@7191
   901
                    if (input->dwFlags & TOUCHEVENTF_DOWN) {
slouken@7191
   902
                        SDL_SendTouch(touchId, input->dwID, SDL_TRUE, x, y, 1.0f);
slouken@7191
   903
                    }
slouken@7191
   904
                    if (input->dwFlags & TOUCHEVENTF_MOVE) {
slouken@7191
   905
                        SDL_SendTouchMotion(touchId, input->dwID, x, y, 1.0f);
slouken@7191
   906
                    }
slouken@7191
   907
                    if (input->dwFlags & TOUCHEVENTF_UP) {
slouken@7191
   908
                        SDL_SendTouch(touchId, input->dwID, SDL_FALSE, x, y, 1.0f);
slouken@7191
   909
                    }
slouken@7191
   910
                }
slouken@7191
   911
            }
slouken@7191
   912
            SDL_stack_free(inputs);
slouken@4932
   913
slouken@7191
   914
            data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
slouken@7191
   915
            return 0;
slouken@7191
   916
        }
slouken@7191
   917
        break;
slouken@6523
   918
slouken@6523
   919
    case WM_DROPFILES:
slouken@6523
   920
        {
slouken@6523
   921
            UINT i;
slouken@6523
   922
            HDROP drop = (HDROP) wParam;
slouken@6523
   923
            UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0);
slouken@6523
   924
            for (i = 0; i < count; ++i) {
slouken@6523
   925
                UINT size = DragQueryFile(drop, i, NULL, 0) + 1;
slouken@6523
   926
                LPTSTR buffer = SDL_stack_alloc(TCHAR, size);
slouken@6523
   927
                if (buffer) {
slouken@6523
   928
                    if (DragQueryFile(drop, i, buffer, size)) {
slouken@6523
   929
                        char *file = WIN_StringToUTF8(buffer);
icculus@10022
   930
                        SDL_SendDropFile(data->window, file);
slouken@6523
   931
                        SDL_free(file);
slouken@6523
   932
                    }
slouken@6523
   933
                    SDL_stack_free(buffer);
slouken@6523
   934
                }
slouken@6523
   935
            }
icculus@10022
   936
            SDL_SendDropComplete(data->window);
slouken@6523
   937
            DragFinish(drop);
slouken@6523
   938
            return 0;
slouken@6523
   939
        }
slouken@6523
   940
        break;
icculus@8938
   941
icculus@8938
   942
    case WM_NCHITTEST:
icculus@8938
   943
        {
icculus@8938
   944
            SDL_Window *window = data->window;
icculus@8938
   945
            if (window->hit_test) {
icculus@8941
   946
                POINT winpoint = { (int) LOWORD(lParam), (int) HIWORD(lParam) };
slouken@8976
   947
                if (ScreenToClient(hwnd, &winpoint)) {
icculus@8941
   948
                    const SDL_Point point = { (int) winpoint.x, (int) winpoint.y };
icculus@8941
   949
                    const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
icculus@8948
   950
                    switch (rc) {
icculus@10028
   951
                        #define POST_HIT_TEST(ret) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIT_TEST, 0, 0); return ret; }
icculus@10028
   952
                        case SDL_HITTEST_DRAGGABLE: POST_HIT_TEST(HTCAPTION);
icculus@10028
   953
                        case SDL_HITTEST_RESIZE_TOPLEFT: POST_HIT_TEST(HTTOPLEFT);
icculus@10028
   954
                        case SDL_HITTEST_RESIZE_TOP: POST_HIT_TEST(HTTOP);
icculus@10028
   955
                        case SDL_HITTEST_RESIZE_TOPRIGHT: POST_HIT_TEST(HTTOPRIGHT);
icculus@10028
   956
                        case SDL_HITTEST_RESIZE_RIGHT: POST_HIT_TEST(HTRIGHT);
icculus@10028
   957
                        case SDL_HITTEST_RESIZE_BOTTOMRIGHT: POST_HIT_TEST(HTBOTTOMRIGHT);
icculus@10028
   958
                        case SDL_HITTEST_RESIZE_BOTTOM: POST_HIT_TEST(HTBOTTOM);
icculus@10028
   959
                        case SDL_HITTEST_RESIZE_BOTTOMLEFT: POST_HIT_TEST(HTBOTTOMLEFT);
icculus@10028
   960
                        case SDL_HITTEST_RESIZE_LEFT: POST_HIT_TEST(HTLEFT);
icculus@10028
   961
                        #undef POST_HIT_TEST
slouken@8976
   962
                        case SDL_HITTEST_NORMAL: return HTCLIENT;
icculus@8941
   963
                    }
icculus@8938
   964
                }
icculus@8948
   965
                /* If we didn't return, this will call DefWindowProc below. */
icculus@8938
   966
            }
icculus@8938
   967
        }
icculus@8938
   968
        break;
icculus@8938
   969
slouken@6523
   970
    }
slouken@3566
   971
slouken@3566
   972
    /* If there's a window proc, assume it's going to handle messages */
slouken@3566
   973
    if (data->wndproc) {
slouken@3566
   974
        return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
slouken@3566
   975
    } else if (returnCode >= 0) {
slouken@3566
   976
        return returnCode;
slouken@3566
   977
    } else {
slouken@3566
   978
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@3566
   979
    }
slouken@1895
   980
}
slouken@1895
   981
slouken@9597
   982
/* A message hook called before TranslateMessage() */
slouken@9597
   983
static SDL_WindowsMessageHook g_WindowsMessageHook = NULL;
slouken@9599
   984
static void *g_WindowsMessageHookData = NULL;
slouken@9597
   985
slouken@9599
   986
void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata)
slouken@9597
   987
{
slouken@9597
   988
    g_WindowsMessageHook = callback;
slouken@9599
   989
    g_WindowsMessageHookData = userdata;
slouken@9597
   990
}
slouken@9597
   991
slouken@1895
   992
void
slouken@1895
   993
WIN_PumpEvents(_THIS)
slouken@1895
   994
{
icculus@7561
   995
    const Uint8 *keystate;
slouken@1895
   996
    MSG msg;
slouken@8218
   997
    DWORD start_ticks = GetTickCount();
slouken@8218
   998
slouken@8814
   999
    if (g_WindowsEnableMessageLoop) {
slouken@8814
  1000
        while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
slouken@9597
  1001
            if (g_WindowsMessageHook) {
slouken@9599
  1002
                g_WindowsMessageHook(g_WindowsMessageHookData, msg.hwnd, msg.message, msg.wParam, msg.lParam);
slouken@9597
  1003
            }
slouken@9597
  1004
slouken@8814
  1005
            /* Always translate the message in case it's a non-SDL window (e.g. with Qt integration) */
slouken@8814
  1006
            TranslateMessage(&msg);
slouken@8814
  1007
            DispatchMessage(&msg);
slouken@8218
  1008
slouken@8814
  1009
            /* Make sure we don't busy loop here forever if there are lots of events coming in */
slouken@8814
  1010
            if (SDL_TICKS_PASSED(msg.time, start_ticks)) {
slouken@8814
  1011
                break;
slouken@8814
  1012
            }
slouken@8218
  1013
        }
slouken@1895
  1014
    }
icculus@7561
  1015
icculus@7561
  1016
    /* Windows loses a shift KEYUP event when you have both pressed at once and let go of one.
icculus@7561
  1017
       You won't get a KEYUP until both are released, and that keyup will only be for the second
icculus@7561
  1018
       key you released. Take heroic measures and check the keystate as of the last handled event,
icculus@7561
  1019
       and if we think a key is pressed when Windows doesn't, unstick it in SDL's state. */
icculus@7561
  1020
    keystate = SDL_GetKeyboardState(NULL);
icculus@7561
  1021
    if ((keystate[SDL_SCANCODE_LSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
icculus@7561
  1022
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
icculus@7561
  1023
    }
icculus@7561
  1024
    if ((keystate[SDL_SCANCODE_RSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
icculus@7561
  1025
        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RSHIFT);
icculus@7561
  1026
    }
slouken@1895
  1027
}
slouken@1895
  1028
slouken@1895
  1029
static int app_registered = 0;
slouken@1895
  1030
LPTSTR SDL_Appname = NULL;
slouken@1895
  1031
Uint32 SDL_Appstyle = 0;
slouken@1895
  1032
HINSTANCE SDL_Instance = NULL;
slouken@1895
  1033
slouken@1895
  1034
/* Register the class for this application */
slouken@1895
  1035
int
slouken@1895
  1036
SDL_RegisterApp(char *name, Uint32 style, void *hInst)
slouken@1895
  1037
{
slouken@1895
  1038
    WNDCLASS class;
slouken@1895
  1039
slouken@1895
  1040
    /* Only do this once... */
slouken@1895
  1041
    if (app_registered) {
slouken@1895
  1042
        ++app_registered;
slouken@1895
  1043
        return (0);
slouken@1895
  1044
    }
slouken@1895
  1045
    if (!name && !SDL_Appname) {
slouken@1895
  1046
        name = "SDL_app";
slouken@5086
  1047
#if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC)
slouken@1895
  1048
        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
slouken@5086
  1049
#endif
slouken@1895
  1050
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
  1051
    }
slouken@1895
  1052
slouken@1895
  1053
    if (name) {
slouken@1895
  1054
        SDL_Appname = WIN_UTF8ToString(name);
slouken@1895
  1055
        SDL_Appstyle = style;
slouken@1895
  1056
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
  1057
    }
slouken@1895
  1058
slouken@1895
  1059
    /* Register the application class */
slouken@1895
  1060
    class.hCursor = NULL;
slouken@2710
  1061
    class.hIcon =
slouken@2710
  1062
        LoadImage(SDL_Instance, SDL_Appname, IMAGE_ICON, 0, 0,
slouken@2710
  1063
                  LR_DEFAULTCOLOR);
slouken@1895
  1064
    class.lpszMenuName = NULL;
slouken@1895
  1065
    class.lpszClassName = SDL_Appname;
slouken@1895
  1066
    class.hbrBackground = NULL;
slouken@1895
  1067
    class.hInstance = SDL_Instance;
slouken@1895
  1068
    class.style = SDL_Appstyle;
dewyatt@4733
  1069
    class.lpfnWndProc = WIN_WindowProc;
slouken@1895
  1070
    class.cbWndExtra = 0;
slouken@1895
  1071
    class.cbClsExtra = 0;
slouken@1895
  1072
    if (!RegisterClass(&class)) {
icculus@7037
  1073
        return SDL_SetError("Couldn't register application class");
slouken@1895
  1074
    }
slouken@1895
  1075
slouken@1895
  1076
    app_registered = 1;
icculus@7037
  1077
    return 0;
slouken@1895
  1078
}
slouken@1895
  1079
slouken@1895
  1080
/* Unregisters the windowclass registered in SDL_RegisterApp above. */
slouken@1895
  1081
void
slouken@1895
  1082
SDL_UnregisterApp()
slouken@1895
  1083
{
slouken@1895
  1084
    WNDCLASS class;
slouken@1895
  1085
slouken@1895
  1086
    /* SDL_RegisterApp might not have been called before */
slouken@1895
  1087
    if (!app_registered) {
slouken@1895
  1088
        return;
slouken@1895
  1089
    }
slouken@1895
  1090
    --app_registered;
slouken@1895
  1091
    if (app_registered == 0) {
slouken@1895
  1092
        /* Check for any registered window classes. */
slouken@1895
  1093
        if (GetClassInfo(SDL_Instance, SDL_Appname, &class)) {
slouken@1895
  1094
            UnregisterClass(SDL_Appname, SDL_Instance);
slouken@1895
  1095
        }
slouken@1895
  1096
        SDL_free(SDL_Appname);
slouken@1895
  1097
        SDL_Appname = NULL;
slouken@1895
  1098
    }
slouken@1895
  1099
}
slouken@1895
  1100
slouken@6044
  1101
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
  1102
slouken@1895
  1103
/* vi: set ts=4 sw=4 expandtab: */