src/video/windows/SDL_windowsevents.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 30 Oct 2012 18:59:56 -0700
changeset 6620 62fe18dc6841
parent 6523 62d0193a7a02
child 6682 a0cbe4e5a07a
permissions -rw-r--r--
Added Windows message box implementation, but it needs a little work on layout.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_DRIVER_WINDOWS
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#include "SDL_windowsvideo.h"
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#include "SDL_windowsshape.h"
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#include "SDL_syswm.h"
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#include "SDL_vkeys.h"
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#include "../../events/SDL_events_c.h"
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#include "../../events/SDL_touch_c.h"
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/* Dropfile support */
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#include <shellapi.h>
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/*#define WMMSG_DEBUG*/
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#ifdef WMMSG_DEBUG
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#include <stdio.h>	
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#include "wmmsg.h"
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#endif
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/* Masks for processing the windows KEYDOWN and KEYUP messages */
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#define REPEATED_KEYMASK    (1<<30)
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#define EXTENDED_KEYMASK    (1<<24)
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#define VK_ENTER    10          /* Keypad Enter ... no VKEY defined? */
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/* 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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static WPARAM
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RemapVKEY(WPARAM wParam, LPARAM lParam)
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{
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    int i;
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    BYTE scancode = (BYTE) ((lParam >> 16) & 0xFF);
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    /* Windows remaps alphabetic keys based on current layout.
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       We try to provide USB scancodes, so undo this mapping.
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     */
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    if (wParam >= 'A' && wParam <= 'Z') {
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        if (scancode != alpha_scancodes[wParam - 'A']) {
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            for (i = 0; i < SDL_arraysize(alpha_scancodes); ++i) {
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                if (scancode == alpha_scancodes[i]) {
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                    wParam = 'A' + i;
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                    break;
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                }
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            }
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        }
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    }
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    /* Keypad keys are a little trickier, we always scan for them.
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       Keypad arrow keys have the same scancode as normal arrow keys,
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       except they don't have the extended bit (0x1000000) set.
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     */
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    if (!(lParam & 0x1000000)) {
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        if (wParam == VK_DELETE) {
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            wParam = VK_DECIMAL;
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        } else {
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            for (i = 0; i < SDL_arraysize(keypad_scancodes); ++i) {
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                if (scancode == keypad_scancodes[i]) {
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                    wParam = VK_NUMPAD0 + i;
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                    break;
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                }
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            }
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        }
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    }
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    return wParam;
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}
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LRESULT CALLBACK
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WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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    SDL_WindowData *data;
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    LRESULT returnCode = -1;
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    /* Send a SDL_SYSWMEVENT if the application wants them */
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    if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
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        SDL_SysWMmsg wmmsg;
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        SDL_VERSION(&wmmsg.version);
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        wmmsg.subsystem = SDL_SYSWM_WINDOWS;
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        wmmsg.msg.win.hwnd = hwnd;
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        wmmsg.msg.win.msg = msg;
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        wmmsg.msg.win.wParam = wParam;
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        wmmsg.msg.win.lParam = lParam;
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        SDL_SendSysWMEvent(&wmmsg);
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    }
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    /* Get the window data for the window */
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    data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
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    if (!data) {
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        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
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    }
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#ifdef WMMSG_DEBUG
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    {		
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        FILE *log = fopen("wmmsg.txt", "a");		
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        fprintf(log, "Received windows message: %p ", hwnd);
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        if (msg > MAX_WMMSG) {
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            fprintf(log, "%d", msg);
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        } else {
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            fprintf(log, "%s", wmtab[msg]);
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        }
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        fprintf(log, " -- 0x%X, 0x%X\n", wParam, lParam);
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        fclose(log);
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    }
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#endif
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    if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata))
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        return 0;
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    switch (msg) {
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    case WM_SHOWWINDOW:
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        {
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            if (wParam) {
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                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
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            } else {
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                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
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            }
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        }
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        break;
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    case WM_ACTIVATE:
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        {
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            BOOL minimized;
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            minimized = HIWORD(wParam);
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            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
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                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
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                SDL_SendWindowEvent(data->window,
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                                    SDL_WINDOWEVENT_RESTORED, 0, 0);
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                if (IsZoomed(hwnd)) {
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                    SDL_SendWindowEvent(data->window,
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                                        SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
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                }
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                if (SDL_GetKeyboardFocus() != data->window) {
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                    SDL_SetKeyboardFocus(data->window);
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                }
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				if(SDL_GetMouse()->relative_mode) {
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					LONG cx, cy;
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					RECT rect;
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					GetWindowRect(hwnd, &rect);
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					cx = (rect.left + rect.right) / 2;
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					cy = (rect.top + rect.bottom) / 2;
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					/* Make an absurdly small clip rect */
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					rect.left = cx-1;
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					rect.right = cx+1;
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					rect.top = cy-1;
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					rect.bottom = cy+1;
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					ClipCursor(&rect);
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				}
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                /*
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                 * FIXME: Update keyboard state
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                 */
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                WIN_CheckClipboardUpdate(data->videodata);
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            } else {
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                if (SDL_GetKeyboardFocus() == data->window) {
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                    SDL_SetKeyboardFocus(NULL);
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                }
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                if (minimized) {
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                    SDL_SendWindowEvent(data->window,
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                                        SDL_WINDOWEVENT_MINIMIZED, 0, 0);
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                }
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            }
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        }
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        returnCode = 0;
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        break;
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	case WM_MOUSEMOVE:
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		if(SDL_GetMouse()->relative_mode)
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			break;
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        SDL_SendMouseMotion(data->window, 0, LOWORD(lParam), HIWORD(lParam));
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        break;
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	case WM_INPUT:
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	{
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		HRAWINPUT hRawInput = (HRAWINPUT)lParam;
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		RAWINPUT inp;
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		UINT size = sizeof(inp);
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		GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
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		/* Mouse data */
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		if(inp.header.dwType == RIM_TYPEMOUSE)
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		{
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			RAWMOUSE* mouse = &inp.data.mouse;
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			if((mouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE)
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				SDL_SendMouseMotion(data->window, 1, (int)mouse->lLastX, (int)mouse->lLastY);
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		}
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		break;
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	}
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    case WM_LBUTTONDOWN:
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        SDL_SendMouseButton(data->window, SDL_PRESSED, SDL_BUTTON_LEFT);
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        break;
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    case WM_LBUTTONUP:
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        SDL_SendMouseButton(data->window, SDL_RELEASED, SDL_BUTTON_LEFT);
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        break;
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    case WM_RBUTTONDOWN:
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        SDL_SendMouseButton(data->window, SDL_PRESSED, SDL_BUTTON_RIGHT);
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        break;
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    case WM_RBUTTONUP:
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        SDL_SendMouseButton(data->window, SDL_RELEASED, SDL_BUTTON_RIGHT);
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        break;
slouken@5049
   253
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    case WM_MBUTTONDOWN:
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        SDL_SendMouseButton(data->window, SDL_PRESSED, SDL_BUTTON_MIDDLE);
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        break;
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   258
    case WM_MBUTTONUP:
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        SDL_SendMouseButton(data->window, SDL_RELEASED, SDL_BUTTON_MIDDLE);
slouken@5049
   260
        break;
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   262
    case WM_XBUTTONDOWN:
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   263
        SDL_SendMouseButton(data->window, SDL_PRESSED, SDL_BUTTON_X1 + GET_XBUTTON_WPARAM(wParam) - 1);
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        returnCode = TRUE;
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   265
        break;
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   266
slouken@5049
   267
    case WM_XBUTTONUP:
slouken@5049
   268
        SDL_SendMouseButton(data->window, SDL_RELEASED, SDL_BUTTON_X1 + GET_XBUTTON_WPARAM(wParam) - 1);
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   269
        returnCode = TRUE;
slouken@5049
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        break;
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   271
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   272
    case WM_MOUSEWHEEL:
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   273
        {
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   274
            int motion = (short) HIWORD(wParam);
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   275
slouken@5049
   276
            SDL_SendMouseWheel(data->window, 0, motion);
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   277
            break;
slouken@5049
   278
        }
slouken@5049
   279
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   280
#ifdef WM_MOUSELEAVE
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    /* FIXME: Do we need the SDL 1.2 hack to generate WM_MOUSELEAVE now? */
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   282
    case WM_MOUSELEAVE:
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   283
        if (SDL_GetMouseFocus() == data->window) {
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   284
            SDL_SetMouseFocus(NULL);
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   285
        }
slouken@3566
   286
        returnCode = 0;
slouken@3566
   287
        break;
slouken@5086
   288
#endif /* WM_MOUSELEAVE */
slouken@1895
   289
slouken@1895
   290
    case WM_SYSKEYDOWN:
slouken@1895
   291
    case WM_KEYDOWN:
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   292
        {
slouken@2310
   293
            wParam = RemapVKEY(wParam, lParam);
slouken@1895
   294
            switch (wParam) {
slouken@1895
   295
            case VK_CONTROL:
slouken@1895
   296
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   297
                    wParam = VK_RCONTROL;
slouken@1895
   298
                else
slouken@1895
   299
                    wParam = VK_LCONTROL;
slouken@1895
   300
                break;
slouken@1895
   301
            case VK_SHIFT:
slouken@1895
   302
                /* EXTENDED trick doesn't work here */
slouken@1895
   303
                {
slouken@2308
   304
                    Uint8 *state = SDL_GetKeyboardState(NULL);
slouken@2308
   305
                    if (state[SDL_SCANCODE_LSHIFT] == SDL_RELEASED
slouken@1895
   306
                        && (GetKeyState(VK_LSHIFT) & 0x8000)) {
slouken@1895
   307
                        wParam = VK_LSHIFT;
slouken@2308
   308
                    } else if (state[SDL_SCANCODE_RSHIFT] == SDL_RELEASED
slouken@1895
   309
                               && (GetKeyState(VK_RSHIFT) & 0x8000)) {
slouken@1895
   310
                        wParam = VK_RSHIFT;
slouken@1895
   311
                    } else {
slouken@1895
   312
                        /* Probably a key repeat */
slouken@3566
   313
                        wParam = 256;
slouken@1895
   314
                    }
slouken@1895
   315
                }
slouken@1895
   316
                break;
slouken@1895
   317
            case VK_MENU:
slouken@1895
   318
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   319
                    wParam = VK_RMENU;
slouken@1895
   320
                else
slouken@1895
   321
                    wParam = VK_LMENU;
slouken@1895
   322
                break;
slouken@2313
   323
            case VK_RETURN:
slouken@2313
   324
                if (lParam & EXTENDED_KEYMASK)
slouken@2313
   325
                    wParam = VK_ENTER;
slouken@2313
   326
                break;
slouken@1895
   327
            }
slouken@2308
   328
            if (wParam < 256) {
slouken@4465
   329
                SDL_SendKeyboardKey(SDL_PRESSED,
slouken@2308
   330
                                    data->videodata->key_layout[wParam]);
slouken@2308
   331
            }
slouken@1895
   332
        }
slouken@3566
   333
        returnCode = 0;
slouken@3566
   334
        break;
slouken@1895
   335
slouken@1895
   336
    case WM_SYSKEYUP:
slouken@1895
   337
    case WM_KEYUP:
slouken@1895
   338
        {
slouken@2310
   339
            wParam = RemapVKEY(wParam, lParam);
slouken@1895
   340
            switch (wParam) {
slouken@1895
   341
            case VK_CONTROL:
slouken@1895
   342
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   343
                    wParam = VK_RCONTROL;
slouken@1895
   344
                else
slouken@1895
   345
                    wParam = VK_LCONTROL;
slouken@1895
   346
                break;
slouken@1895
   347
            case VK_SHIFT:
slouken@1895
   348
                /* EXTENDED trick doesn't work here */
slouken@1895
   349
                {
slouken@2308
   350
                    Uint8 *state = SDL_GetKeyboardState(NULL);
slouken@2308
   351
                    if (state[SDL_SCANCODE_LSHIFT] == SDL_PRESSED
slouken@1895
   352
                        && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
slouken@1895
   353
                        wParam = VK_LSHIFT;
slouken@2308
   354
                    } else if (state[SDL_SCANCODE_RSHIFT] == SDL_PRESSED
slouken@1895
   355
                               && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
slouken@1895
   356
                        wParam = VK_RSHIFT;
slouken@1895
   357
                    } else {
slouken@1895
   358
                        /* Probably a key repeat */
slouken@3566
   359
                        wParam = 256;
slouken@1895
   360
                    }
slouken@1895
   361
                }
slouken@1895
   362
                break;
slouken@1895
   363
            case VK_MENU:
slouken@1895
   364
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   365
                    wParam = VK_RMENU;
slouken@1895
   366
                else
slouken@1895
   367
                    wParam = VK_LMENU;
slouken@1895
   368
                break;
slouken@2313
   369
            case VK_RETURN:
slouken@2313
   370
                if (lParam & EXTENDED_KEYMASK)
slouken@2313
   371
                    wParam = VK_ENTER;
slouken@2313
   372
                break;
slouken@1895
   373
            }
slouken@2710
   374
slouken@1895
   375
            /* Windows only reports keyup for print screen */
slouken@1895
   376
            if (wParam == VK_SNAPSHOT
slouken@2308
   377
                && SDL_GetKeyboardState(NULL)[SDL_SCANCODE_PRINTSCREEN] ==
slouken@2308
   378
                SDL_RELEASED) {
slouken@4465
   379
                SDL_SendKeyboardKey(SDL_PRESSED,
slouken@2308
   380
                                    data->videodata->key_layout[wParam]);
slouken@1895
   381
            }
slouken@2308
   382
            if (wParam < 256) {
slouken@4465
   383
                SDL_SendKeyboardKey(SDL_RELEASED,
slouken@2308
   384
                                    data->videodata->key_layout[wParam]);
slouken@2308
   385
            }
slouken@1895
   386
        }
slouken@3566
   387
        returnCode = 0;
slouken@3566
   388
        break;
slouken@1895
   389
slouken@2309
   390
    case WM_CHAR:
slouken@2309
   391
        {
slouken@2309
   392
            char text[4];
slouken@2309
   393
slouken@2309
   394
            /* Convert to UTF-8 and send it on... */
slouken@2309
   395
            if (wParam <= 0x7F) {
slouken@2309
   396
                text[0] = (char) wParam;
slouken@2309
   397
                text[1] = '\0';
slouken@2309
   398
            } else if (wParam <= 0x7FF) {
slouken@2309
   399
                text[0] = 0xC0 | (char) ((wParam >> 6) & 0x1F);
slouken@2309
   400
                text[1] = 0x80 | (char) (wParam & 0x3F);
slouken@2309
   401
                text[2] = '\0';
slouken@2309
   402
            } else {
slouken@2309
   403
                text[0] = 0xE0 | (char) ((wParam >> 12) & 0x0F);
slouken@2309
   404
                text[1] = 0x80 | (char) ((wParam >> 6) & 0x3F);
slouken@2309
   405
                text[2] = 0x80 | (char) (wParam & 0x3F);
slouken@2309
   406
                text[3] = '\0';
slouken@2309
   407
            }
slouken@4465
   408
            SDL_SendKeyboardText(text);
slouken@2309
   409
        }
slouken@3566
   410
        returnCode = 0;
slouken@3566
   411
        break;
slouken@2309
   412
slouken@5086
   413
#ifdef WM_INPUTLANGCHANGE
slouken@2311
   414
    case WM_INPUTLANGCHANGE:
slouken@2311
   415
        {
slouken@4465
   416
            WIN_UpdateKeymap();
slouken@2311
   417
        }
slouken@3566
   418
        returnCode = 1;
slouken@3566
   419
        break;
slouken@5086
   420
#endif /* WM_INPUTLANGCHANGE */
slouken@2311
   421
slouken@5086
   422
#ifdef WM_GETMINMAXINFO
slouken@1895
   423
    case WM_GETMINMAXINFO:
slouken@1895
   424
        {
slouken@1895
   425
            MINMAXINFO *info;
slouken@1895
   426
            RECT size;
slouken@1895
   427
            int x, y;
slouken@1895
   428
            int w, h;
slouken@1895
   429
            int style;
slouken@3168
   430
            BOOL menu;
slouken@1895
   431
slouken@1895
   432
            /* If we allow resizing, let the resize happen naturally */
eligottlieb@4788
   433
            if(SDL_IsShapedWindow(data->window))
eligottlieb@4815
   434
                Win32_ResizeWindowShape(data->window);
slouken@3685
   435
            if (SDL_GetWindowFlags(data->window) & SDL_WINDOW_RESIZABLE) {
slouken@3566
   436
                returnCode = 0;
slouken@3566
   437
                break;
slouken@1895
   438
            }
slouken@1895
   439
slouken@1895
   440
            /* Get the current position of our window */
slouken@1895
   441
            GetWindowRect(hwnd, &size);
slouken@1895
   442
            x = size.left;
slouken@1895
   443
            y = size.top;
slouken@1895
   444
slouken@1895
   445
            /* Calculate current size of our window */
slouken@3685
   446
            SDL_GetWindowSize(data->window, &w, &h);
slouken@1895
   447
            size.top = 0;
slouken@1895
   448
            size.left = 0;
slouken@1895
   449
            size.bottom = h;
slouken@1895
   450
            size.right = w;
slouken@1895
   451
slouken@3168
   452
slouken@3168
   453
            style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   454
            /* DJM - according to the docs for GetMenu(), the
slouken@1895
   455
               return value is undefined if hwnd is a child window.
slouken@1895
   456
               Aparently it's too difficult for MS to check
slouken@1895
   457
               inside their function, so I have to do it here.
slouken@1895
   458
             */
slouken@3168
   459
            menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   460
            AdjustWindowRectEx(&size, style, menu, 0);
slouken@1895
   461
            w = size.right - size.left;
slouken@1895
   462
            h = size.bottom - size.top;
slouken@1895
   463
slouken@1895
   464
            /* Fix our size to the current size */
slouken@1895
   465
            info = (MINMAXINFO *) lParam;
slouken@1895
   466
            info->ptMaxSize.x = w;
slouken@1895
   467
            info->ptMaxSize.y = h;
slouken@1895
   468
            info->ptMaxPosition.x = x;
slouken@1895
   469
            info->ptMaxPosition.y = y;
slouken@1895
   470
            info->ptMinTrackSize.x = w;
slouken@1895
   471
            info->ptMinTrackSize.y = h;
slouken@1895
   472
            info->ptMaxTrackSize.x = w;
slouken@1895
   473
            info->ptMaxTrackSize.y = h;
slouken@1895
   474
        }
slouken@3566
   475
        returnCode = 0;
slouken@3566
   476
        break;
slouken@5086
   477
#endif /* WM_GETMINMAXINFO */
slouken@1895
   478
slouken@1895
   479
    case WM_WINDOWPOSCHANGED:
slouken@1895
   480
        {
slouken@1895
   481
            RECT rect;
slouken@1895
   482
            int x, y;
slouken@1895
   483
            int w, h;
slouken@1895
   484
            Uint32 window_flags;
slouken@1895
   485
slouken@3256
   486
            if (!GetClientRect(hwnd, &rect) ||
slouken@3256
   487
                (rect.right == rect.left && rect.bottom == rect.top)) {
slouken@3256
   488
                break;
slouken@3256
   489
            }
slouken@1895
   490
            ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   491
            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   492
slouken@3685
   493
            window_flags = SDL_GetWindowFlags(data->window);
slouken@1895
   494
            if ((window_flags & SDL_WINDOW_INPUT_GRABBED) &&
slouken@1895
   495
                (window_flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@1895
   496
                ClipCursor(&rect);
slouken@1895
   497
            }
slouken@1895
   498
slouken@1895
   499
            x = rect.left;
slouken@1895
   500
            y = rect.top;
slouken@3685
   501
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@1895
   502
slouken@1895
   503
            w = rect.right - rect.left;
slouken@1895
   504
            h = rect.bottom - rect.top;
slouken@3685
   505
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, w,
slouken@1895
   506
                                h);
slouken@1895
   507
        }
slouken@1895
   508
        break;
slouken@1895
   509
slouken@1895
   510
    case WM_SETCURSOR:
slouken@1895
   511
        {
slouken@3076
   512
            Uint16 hittest;
slouken@1895
   513
slouken@3076
   514
            hittest = LOWORD(lParam);
slouken@3076
   515
            if (hittest == HTCLIENT) {
slouken@5421
   516
                SetCursor(SDL_cursor);
slouken@3566
   517
                returnCode = TRUE;
slouken@3076
   518
            }
slouken@1895
   519
        }
slouken@1895
   520
        break;
slouken@1895
   521
slouken@1895
   522
        /* We were occluded, refresh our display */
slouken@1895
   523
    case WM_PAINT:
slouken@1895
   524
        {
slouken@1895
   525
            RECT rect;
slouken@1895
   526
            if (GetUpdateRect(hwnd, &rect, FALSE)) {
slouken@1895
   527
                ValidateRect(hwnd, &rect);
slouken@3685
   528
                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED,
slouken@1895
   529
                                    0, 0);
slouken@1895
   530
            }
slouken@1895
   531
        }
slouken@3566
   532
        returnCode = 0;
slouken@3566
   533
        break;
slouken@3095
   534
slouken@1895
   535
        /* We'll do our own drawing, prevent flicker */
slouken@1895
   536
    case WM_ERASEBKGND:
slouken@1895
   537
        {
slouken@1895
   538
        }
slouken@1895
   539
        return (1);
slouken@1895
   540
slouken@5086
   541
#if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
slouken@1895
   542
    case WM_SYSCOMMAND:
slouken@1895
   543
        {
slouken@1895
   544
            /* Don't start the screensaver or blank the monitor in fullscreen apps */
slouken@1895
   545
            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
slouken@1895
   546
                (wParam & 0xFFF0) == SC_MONITORPOWER) {
slouken@3032
   547
                if (SDL_GetVideoDevice()->suspend_screensaver) {
slouken@1895
   548
                    return (0);
slouken@1895
   549
                }
slouken@1895
   550
            }
slouken@1895
   551
        }
slouken@1895
   552
        break;
slouken@5086
   553
#endif /* System has screensaver support */
slouken@1895
   554
slouken@1895
   555
    case WM_CLOSE:
slouken@1895
   556
        {
slouken@3685
   557
            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
slouken@1895
   558
        }
slouken@3566
   559
        returnCode = 0;
slouken@3566
   560
        break;
slouken@4919
   561
jimtla@4650
   562
	case WM_TOUCH:
slouken@4932
   563
		{
slouken@4932
   564
			UINT i, num_inputs = LOWORD(wParam);
slouken@4932
   565
			PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs);
slouken@4919
   566
			if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
slouken@4932
   567
				RECT rect;
slouken@4919
   568
				float x, y;
slouken@4919
   569
slouken@4919
   570
				if (!GetClientRect(hwnd, &rect) ||
slouken@4919
   571
				    (rect.right == rect.left && rect.bottom == rect.top)) {
slouken@4919
   572
					break;
slouken@4919
   573
				}
slouken@4919
   574
				ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@4932
   575
				ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@4932
   576
				rect.top *= 100;
slouken@4932
   577
				rect.left *= 100;
slouken@4932
   578
				rect.bottom *= 100;
slouken@4932
   579
				rect.right *= 100;
slouken@4932
   580
slouken@4932
   581
				for (i = 0; i < num_inputs; ++i) {
slouken@4932
   582
					PTOUCHINPUT input = &inputs[i];
slouken@4919
   583
icculus@5889
   584
					const SDL_TouchID touchId = (SDL_TouchID)
icculus@5889
   585
												((size_t)input->hSource);
slouken@4919
   586
					if (!SDL_GetTouch(touchId)) {
slouken@4919
   587
						SDL_Touch touch;
slouken@4919
   588
slouken@4919
   589
						touch.id = touchId;
slouken@4919
   590
						touch.x_min = 0;
slouken@4919
   591
						touch.x_max = 1;
slouken@4919
   592
						touch.native_xres = touch.x_max - touch.x_min;
slouken@4919
   593
						touch.y_min = 0;
slouken@4919
   594
						touch.y_max = 1;
slouken@4919
   595
						touch.native_yres = touch.y_max - touch.y_min;
slouken@4919
   596
						touch.pressure_min = 0;
slouken@4919
   597
						touch.pressure_max = 1;
slouken@4919
   598
						touch.native_pressureres = touch.pressure_max - touch.pressure_min;
slouken@4919
   599
slouken@4919
   600
						if (SDL_AddTouch(&touch, "") < 0) {
slouken@4919
   601
							continue;
slouken@4919
   602
						}
slouken@4932
   603
					}
slouken@4932
   604
slouken@4932
   605
					// Get the normalized coordinates for the window
slouken@4932
   606
					x = (float)(input->x - rect.left)/(rect.right - rect.left);
slouken@4932
   607
					y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
slouken@4932
   608
slouken@4919
   609
					if (input->dwFlags & TOUCHEVENTF_DOWN) {
slouken@4932
   610
						SDL_SendFingerDown(touchId, input->dwID, SDL_TRUE, x, y, 1);
slouken@4932
   611
					}
slouken@4919
   612
					if (input->dwFlags & TOUCHEVENTF_MOVE) {
slouken@4932
   613
						SDL_SendTouchMotion(touchId, input->dwID, SDL_FALSE, x, y, 1);
slouken@4932
   614
					}
slouken@4919
   615
					if (input->dwFlags & TOUCHEVENTF_UP) {
slouken@4932
   616
						SDL_SendFingerDown(touchId, input->dwID, SDL_FALSE, x, y, 1);
slouken@4932
   617
					}
slouken@4932
   618
				}
slouken@4932
   619
			}
slouken@4932
   620
			SDL_stack_free(inputs);
slouken@4932
   621
slouken@4932
   622
			data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
slouken@4919
   623
			return 0;
jimtla@4650
   624
		}
jimtla@4650
   625
		break;
slouken@6523
   626
slouken@6523
   627
    case WM_DROPFILES:
slouken@6523
   628
        {
slouken@6523
   629
            UINT i;
slouken@6523
   630
            HDROP drop = (HDROP) wParam;
slouken@6523
   631
            UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0);
slouken@6523
   632
            for (i = 0; i < count; ++i) {
slouken@6523
   633
                UINT size = DragQueryFile(drop, i, NULL, 0) + 1;
slouken@6523
   634
                LPTSTR buffer = SDL_stack_alloc(TCHAR, size);
slouken@6523
   635
                if (buffer) {
slouken@6523
   636
                    if (DragQueryFile(drop, i, buffer, size)) {
slouken@6523
   637
                        char *file = WIN_StringToUTF8(buffer);
slouken@6523
   638
                        SDL_SendDropFile(file);
slouken@6523
   639
                        SDL_free(file);
slouken@6523
   640
                    }
slouken@6523
   641
                    SDL_stack_free(buffer);
slouken@6523
   642
                }
slouken@6523
   643
            }
slouken@6523
   644
            DragFinish(drop);
slouken@6523
   645
            return 0;
slouken@6523
   646
        }
slouken@6523
   647
        break;
slouken@6523
   648
    }
slouken@3566
   649
slouken@3566
   650
    /* If there's a window proc, assume it's going to handle messages */
slouken@3566
   651
    if (data->wndproc) {
slouken@3566
   652
        return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
slouken@3566
   653
    } else if (returnCode >= 0) {
slouken@3566
   654
        return returnCode;
slouken@3566
   655
    } else {
slouken@3566
   656
        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
slouken@3566
   657
    }
slouken@1895
   658
}
slouken@1895
   659
slouken@1895
   660
void
slouken@1895
   661
WIN_PumpEvents(_THIS)
slouken@1895
   662
{
slouken@1895
   663
    MSG msg;
slouken@1895
   664
    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
slouken@1895
   665
        TranslateMessage(&msg);
slouken@1895
   666
        DispatchMessage(&msg);
slouken@1895
   667
    }
slouken@1895
   668
}
slouken@1895
   669
slouken@1895
   670
static int app_registered = 0;
slouken@1895
   671
LPTSTR SDL_Appname = NULL;
slouken@1895
   672
Uint32 SDL_Appstyle = 0;
slouken@1895
   673
HINSTANCE SDL_Instance = NULL;
slouken@1895
   674
slouken@1895
   675
/* Register the class for this application */
slouken@1895
   676
int
slouken@1895
   677
SDL_RegisterApp(char *name, Uint32 style, void *hInst)
slouken@1895
   678
{
slouken@1895
   679
    WNDCLASS class;
slouken@1895
   680
slouken@1895
   681
    /* Only do this once... */
slouken@1895
   682
    if (app_registered) {
slouken@1895
   683
        ++app_registered;
slouken@1895
   684
        return (0);
slouken@1895
   685
    }
slouken@1895
   686
    if (!name && !SDL_Appname) {
slouken@1895
   687
        name = "SDL_app";
slouken@5086
   688
#if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC)
slouken@1895
   689
        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
slouken@5086
   690
#endif
slouken@1895
   691
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
   692
    }
slouken@1895
   693
slouken@1895
   694
    if (name) {
slouken@1895
   695
        SDL_Appname = WIN_UTF8ToString(name);
slouken@1895
   696
        SDL_Appstyle = style;
slouken@1895
   697
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
   698
    }
slouken@1895
   699
slouken@1895
   700
    /* Register the application class */
slouken@1895
   701
    class.hCursor = NULL;
slouken@2710
   702
    class.hIcon =
slouken@2710
   703
        LoadImage(SDL_Instance, SDL_Appname, IMAGE_ICON, 0, 0,
slouken@2710
   704
                  LR_DEFAULTCOLOR);
slouken@1895
   705
    class.lpszMenuName = NULL;
slouken@1895
   706
    class.lpszClassName = SDL_Appname;
slouken@1895
   707
    class.hbrBackground = NULL;
slouken@1895
   708
    class.hInstance = SDL_Instance;
slouken@1895
   709
    class.style = SDL_Appstyle;
dewyatt@4733
   710
    class.lpfnWndProc = WIN_WindowProc;
slouken@1895
   711
    class.cbWndExtra = 0;
slouken@1895
   712
    class.cbClsExtra = 0;
slouken@1895
   713
    if (!RegisterClass(&class)) {
slouken@1895
   714
        SDL_SetError("Couldn't register application class");
slouken@1895
   715
        return (-1);
slouken@1895
   716
    }
slouken@1895
   717
slouken@1895
   718
    app_registered = 1;
slouken@1895
   719
    return (0);
slouken@1895
   720
}
slouken@1895
   721
slouken@1895
   722
/* Unregisters the windowclass registered in SDL_RegisterApp above. */
slouken@1895
   723
void
slouken@1895
   724
SDL_UnregisterApp()
slouken@1895
   725
{
slouken@1895
   726
    WNDCLASS class;
slouken@1895
   727
slouken@1895
   728
    /* SDL_RegisterApp might not have been called before */
slouken@1895
   729
    if (!app_registered) {
slouken@1895
   730
        return;
slouken@1895
   731
    }
slouken@1895
   732
    --app_registered;
slouken@1895
   733
    if (app_registered == 0) {
slouken@1895
   734
        /* Check for any registered window classes. */
slouken@1895
   735
        if (GetClassInfo(SDL_Instance, SDL_Appname, &class)) {
slouken@1895
   736
            UnregisterClass(SDL_Appname, SDL_Instance);
slouken@1895
   737
        }
slouken@1895
   738
        SDL_free(SDL_Appname);
slouken@1895
   739
        SDL_Appname = NULL;
slouken@1895
   740
    }
slouken@1895
   741
}
slouken@1895
   742
slouken@6044
   743
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
   744
slouken@1895
   745
/* vi: set ts=4 sw=4 expandtab: */