src/video/windows/SDL_windowswindow.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 21 Feb 2011 22:27:19 -0800
changeset 5382 fd9a7a0afcbf
parent 5305 75f5ff92ad08
child 5398 83816c8a2b58
permissions -rwxr-xr-x
Simplified Windows window creation.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2011 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "../SDL_sysvideo.h"
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#include "../SDL_pixels_c.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "SDL_windowsvideo.h"
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#include "SDL_windowswindow.h"
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/* This is included after SDL_windowsvideo.h, which includes windows.h */
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#include "SDL_syswm.h"
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/* Windows CE compatibility */
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#ifndef SWP_NOCOPYBITS
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#define SWP_NOCOPYBITS 0
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#endif
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/* Fake window to help with DirectInput events. */
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HWND SDL_HelperWindow = NULL;
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static WCHAR *SDL_HelperWindowClassName = TEXT("SDLHelperWindowInputCatcher");
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static WCHAR *SDL_HelperWindowName = TEXT("SDLHelperWindowInputMsgWindow");
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static ATOM SDL_HelperWindowClass = 0;
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#define STYLE_BASIC         (WS_CLIPSIBLINGS | WS_CLIPCHILDREN)
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#define STYLE_FULLSCREEN    (WS_POPUP)
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#define STYLE_BORDERLESS    (WS_POPUP)
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#define STYLE_NORMAL        (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX)
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#define STYLE_RESIZABLE     (WS_THICKFRAME | WS_MAXIMIZEBOX)
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#define STYLE_MASK          (STYLE_FULLSCREEN | STYLE_BORDERLESS | STYLE_NORMAL | STYLE_RESIZABLE)
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static DWORD
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GetWindowStyle(SDL_Window * window)
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{
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    DWORD style = 0;
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	if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        style |= STYLE_FULLSCREEN;
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	} else {
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		if (window->flags & SDL_WINDOW_BORDERLESS) {
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            style |= STYLE_BORDERLESS;
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		} else {
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            style |= STYLE_NORMAL;
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		}
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		if (window->flags & SDL_WINDOW_RESIZABLE) {
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            style |= STYLE_RESIZABLE;
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		}
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	}
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    return style;
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}
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static int
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SetupWindowData(_THIS, SDL_Window * window, HWND hwnd, SDL_bool created)
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{
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    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
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    SDL_WindowData *data;
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    /* Allocate the window data */
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    data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
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    if (!data) {
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        SDL_OutOfMemory();
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        return -1;
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    }
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    data->window = window;
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    data->hwnd = hwnd;
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    data->hdc = GetDC(hwnd);
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    data->created = created;
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    data->mouse_pressed = SDL_FALSE;
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    data->videodata = videodata;
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    /* Associate the data with the window */
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    if (!SetProp(hwnd, TEXT("SDL_WindowData"), data)) {
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        ReleaseDC(hwnd, data->hdc);
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        SDL_free(data);
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        WIN_SetError("SetProp() failed");
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        return -1;
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    }
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    /* Set up the window proc function */
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#ifdef GWLP_WNDPROC
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    data->wndproc = (WNDPROC) GetWindowLongPtr(hwnd, GWLP_WNDPROC);
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    if (data->wndproc == WIN_WindowProc) {
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        data->wndproc = NULL;
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    } else {
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        SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) WIN_WindowProc);
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    }
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#else
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    data->wndproc = (WNDPROC) GetWindowLong(hwnd, GWL_WNDPROC);
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    if (data->wndproc == WIN_WindowProc) {
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        data->wndproc = NULL;
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    } else {
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        SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR) WIN_WindowProc);
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    }
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#endif
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    /* Fill in the SDL window with the window data */
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    {
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        POINT point;
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        point.x = 0;
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        point.y = 0;
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        if (ClientToScreen(hwnd, &point)) {
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            window->x = point.x;
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            window->y = point.y;
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        }
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    }
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    {
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        RECT rect;
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        if (GetClientRect(hwnd, &rect)) {
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            window->w = rect.right;
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            window->h = rect.bottom;
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        }
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    }
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    {
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        DWORD style = GetWindowLong(hwnd, GWL_STYLE);
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        if (style & WS_VISIBLE) {
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            window->flags |= SDL_WINDOW_SHOWN;
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        } else {
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            window->flags &= ~SDL_WINDOW_SHOWN;
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        }
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        if (style & (WS_BORDER | WS_THICKFRAME)) {
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            window->flags &= ~SDL_WINDOW_BORDERLESS;
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        } else {
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            window->flags |= SDL_WINDOW_BORDERLESS;
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        }
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        if (style & WS_THICKFRAME) {
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            window->flags |= SDL_WINDOW_RESIZABLE;
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        } else {
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            window->flags &= ~SDL_WINDOW_RESIZABLE;
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        }
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#ifdef WS_MAXIMIZE
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        if (style & WS_MAXIMIZE) {
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            window->flags |= SDL_WINDOW_MAXIMIZED;
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        } else
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#endif
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        {
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            window->flags &= ~SDL_WINDOW_MAXIMIZED;
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        }
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#ifdef WS_MINIMIZE
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        if (style & WS_MINIMIZE) {
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            window->flags |= SDL_WINDOW_MINIMIZED;
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        } else
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#endif
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        {
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            window->flags &= ~SDL_WINDOW_MINIMIZED;
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        }
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    }
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    if (GetFocus() == hwnd) {
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        window->flags |= SDL_WINDOW_INPUT_FOCUS;
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        SDL_SetKeyboardFocus(data->window);
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        if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
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            RECT rect;
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            GetClientRect(hwnd, &rect);
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            ClientToScreen(hwnd, (LPPOINT) & rect);
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            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
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            ClipCursor(&rect);
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        }
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    }
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	/* Enable multi-touch */
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    if (videodata->RegisterTouchWindow) {
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        videodata->RegisterTouchWindow(hwnd, (TWF_FINETOUCH|TWF_WANTPALM));
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    }
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    /* All done! */
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    window->driverdata = data;
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    return 0;
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}
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int
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WIN_CreateWindow(_THIS, SDL_Window * window)
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{
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    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
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    HWND hwnd;
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    RECT rect;
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    DWORD style = STYLE_BASIC;
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    int x, y;
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    int w, h;
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    style |= GetWindowStyle(window);
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    /* Figure out what the window area will be */
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    rect.left = window->x;
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    rect.top = window->y;
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    rect.right = window->x + window->w;
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    rect.bottom = window->y + window->h;
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    AdjustWindowRectEx(&rect, style, FALSE, 0);
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    x = rect.left;
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    y = rect.top;
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    w = (rect.right - rect.left);
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    h = (rect.bottom - rect.top);
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    hwnd =
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        CreateWindow(SDL_Appname, TEXT(""), style, x, y, w, h, NULL, NULL,
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                     SDL_Instance, NULL);
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    if (!hwnd) {
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        WIN_SetError("Couldn't create window");
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        return -1;
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    }
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    WIN_PumpEvents(_this);
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    if (SetupWindowData(_this, window, hwnd, SDL_TRUE) < 0) {
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        DestroyWindow(hwnd);
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        return -1;
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    }
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#if SDL_VIDEO_OPENGL_WGL
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    if (window->flags & SDL_WINDOW_OPENGL) {
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        if (WIN_GL_SetupWindow(_this, window) < 0) {
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            WIN_DestroyWindow(_this, window);
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            return -1;
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        }
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    }
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#endif
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    return 0;
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}
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int
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WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
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{
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    HWND hwnd = (HWND) data;
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    LPTSTR title;
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    int titleLen;
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    /* Query the title from the existing window */
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    titleLen = GetWindowTextLength(hwnd);
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    title = SDL_stack_alloc(TCHAR, titleLen + 1);
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    if (title) {
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        titleLen = GetWindowText(hwnd, title, titleLen);
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    } else {
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        titleLen = 0;
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    }
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    if (titleLen > 0) {
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        window->title = WIN_StringToUTF8(title);
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    }
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    if (title) {
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        SDL_stack_free(title);
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    }
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    if (SetupWindowData(_this, window, hwnd, SDL_FALSE) < 0) {
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        return -1;
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    }
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    return 0;
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}
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void
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WIN_SetWindowTitle(_THIS, SDL_Window * window)
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{
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    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
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    LPTSTR title;
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    if (window->title) {
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        title = WIN_UTF8ToString(window->title);
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    } else {
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        title = NULL;
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    }
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    SetWindowText(hwnd, title ? title : TEXT(""));
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    if (title) {
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        SDL_free(title);
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    }
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}
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void
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WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
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{
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    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
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    HICON hicon = NULL;
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    if (icon) {
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        BYTE *icon_bmp;
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        int icon_len;
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        SDL_RWops *dst;
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        SDL_PixelFormat format;
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        SDL_Surface *surface;
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        /* Create temporary bitmap buffer */
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        icon_len = 40 + icon->h * icon->w * 4;
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        icon_bmp = SDL_stack_alloc(BYTE, icon_len);
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        dst = SDL_RWFromMem(icon_bmp, icon_len);
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        if (!dst) {
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            SDL_stack_free(icon_bmp);
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            return;
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        }
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        /* Write the BITMAPINFO header */
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        SDL_WriteLE32(dst, 40);
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        SDL_WriteLE32(dst, icon->w);
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        SDL_WriteLE32(dst, icon->h * 2);
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        SDL_WriteLE16(dst, 1);
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        SDL_WriteLE16(dst, 32);
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        SDL_WriteLE32(dst, BI_RGB);
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        SDL_WriteLE32(dst, icon->h * icon->w * 4);
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        SDL_WriteLE32(dst, 0);
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        SDL_WriteLE32(dst, 0);
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        SDL_WriteLE32(dst, 0);
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        SDL_WriteLE32(dst, 0);
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        /* Convert the icon to a 32-bit surface with alpha channel */
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        SDL_InitFormat(&format, SDL_PIXELFORMAT_ARGB8888);
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        surface = SDL_ConvertSurface(icon, &format, 0);
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        if (surface) {
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            /* Write the pixels upside down into the bitmap buffer */
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            int y = surface->h;
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            while (y--) {
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                Uint8 *src = (Uint8 *) surface->pixels + y * surface->pitch;
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                SDL_RWwrite(dst, src, surface->pitch, 1);
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            }
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            SDL_FreeSurface(surface);
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/* TODO: create the icon in WinCE (CreateIconFromResource isn't available) */
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#ifndef _WIN32_WCE
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            hicon =
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                CreateIconFromResource(icon_bmp, icon_len, TRUE, 0x00030000);
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#endif
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        }
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        SDL_RWclose(dst);
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        SDL_stack_free(icon_bmp);
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    }
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    /* Set the icon for the window */
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    SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM) hicon);
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    /* Set the icon in the task manager (should we do this?) */
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    SendMessage(hwnd, WM_SETICON, ICON_BIG, (LPARAM) hicon);
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}
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void
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WIN_SetWindowPosition(_THIS, SDL_Window * window)
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{
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    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
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    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
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    RECT rect;
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    SDL_Rect bounds;
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    DWORD style;
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    HWND top;
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    BOOL menu;
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    int x, y;
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    int w, h;
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   360
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    /* Figure out what the window area will be */
slouken@1895
   362
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   363
        top = HWND_TOPMOST;
slouken@1895
   364
    } else {
slouken@1895
   365
        top = HWND_NOTOPMOST;
slouken@1895
   366
    }
slouken@1895
   367
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   368
    rect.left = 0;
slouken@1895
   369
    rect.top = 0;
slouken@1895
   370
    rect.right = window->w;
slouken@1895
   371
    rect.bottom = window->h;
slouken@3168
   372
#ifdef _WIN32_WCE
slouken@3168
   373
    menu = FALSE;
slouken@3168
   374
#else
slouken@3168
   375
    menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   376
#endif
slouken@3168
   377
    AdjustWindowRectEx(&rect, style, menu, 0);
slouken@4486
   378
    w = (rect.right - rect.left);
slouken@4486
   379
    h = (rect.bottom - rect.top);
slouken@2875
   380
slouken@3528
   381
    WIN_GetDisplayBounds(_this, display, &bounds);
slouken@5305
   382
    if (SDL_WINDOWPOS_ISCENTERED(window->x)) {
slouken@4486
   383
        x = bounds.x + (bounds.w - w) / 2;
slouken@2875
   384
    } else {
slouken@5246
   385
        x = window->x + rect.left;
slouken@2875
   386
    }
slouken@5305
   387
    if (SDL_WINDOWPOS_ISCENTERED(window->y)) {
slouken@4486
   388
        y = bounds.y + (bounds.h - h) / 2;
slouken@2875
   389
    } else {
slouken@5246
   390
        y = window->y + rect.top;
slouken@2875
   391
    }
slouken@1895
   392
slouken@1956
   393
    SetWindowPos(hwnd, top, x, y, 0, 0, (SWP_NOCOPYBITS | SWP_NOSIZE));
slouken@1895
   394
}
slouken@1895
   395
slouken@1895
   396
void
slouken@1895
   397
WIN_SetWindowSize(_THIS, SDL_Window * window)
slouken@1895
   398
{
slouken@1895
   399
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   400
    RECT rect;
slouken@1895
   401
    DWORD style;
slouken@1895
   402
    HWND top;
slouken@3168
   403
    BOOL menu;
slouken@1895
   404
    int w, h;
slouken@1895
   405
slouken@1895
   406
    /* Figure out what the window area will be */
slouken@1895
   407
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   408
        top = HWND_TOPMOST;
slouken@1895
   409
    } else {
slouken@1895
   410
        top = HWND_NOTOPMOST;
slouken@1895
   411
    }
slouken@1895
   412
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   413
    rect.left = 0;
slouken@1895
   414
    rect.top = 0;
slouken@1895
   415
    rect.right = window->w;
slouken@1895
   416
    rect.bottom = window->h;
slouken@3168
   417
#ifdef _WIN32_WCE
slouken@3168
   418
    menu = FALSE;
slouken@3168
   419
#else
slouken@3168
   420
    menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   421
#endif
slouken@3168
   422
    AdjustWindowRectEx(&rect, style, menu, 0);
slouken@1895
   423
    w = (rect.right - rect.left);
slouken@1895
   424
    h = (rect.bottom - rect.top);
slouken@1895
   425
slouken@2968
   426
    SetWindowPos(hwnd, top, 0, 0, w, h, (SWP_NOCOPYBITS | SWP_NOMOVE));
slouken@5246
   427
}
slouken@5178
   428
slouken@5246
   429
#ifdef _WIN32_WCE
slouken@5246
   430
void WINCE_ShowWindow(_THIS, SDL_Window* window, int visible)
slouken@5246
   431
{
slouken@5246
   432
    SDL_WindowData* windowdata = (SDL_WindowData*) window->driverdata;
slouken@5246
   433
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@5246
   434
slouken@5246
   435
    if(visible) {
slouken@5246
   436
        if(window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
   437
            if(videodata->SHFullScreen)
slouken@5246
   438
                videodata->SHFullScreen(windowdata->hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);
slouken@5246
   439
slouken@5246
   440
            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_HIDE);
slouken@5246
   441
        }
slouken@5246
   442
slouken@5246
   443
        ShowWindow(windowdata->hwnd, SW_SHOW);
slouken@5246
   444
        SetForegroundWindow(windowdata->hwnd);
slouken@5246
   445
    } else {
slouken@5246
   446
        ShowWindow(windowdata->hwnd, SW_HIDE);
slouken@5246
   447
slouken@5246
   448
        if(window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
   449
            if(videodata->SHFullScreen)
slouken@5246
   450
                videodata->SHFullScreen(windowdata->hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
slouken@5246
   451
slouken@5246
   452
            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_SHOW);
slouken@5246
   453
slouken@5246
   454
        }
slouken@5246
   455
    }
slouken@1895
   456
}
slouken@5178
   457
#endif /* _WIN32_WCE */
slouken@1895
   458
slouken@1895
   459
void
slouken@1895
   460
WIN_ShowWindow(_THIS, SDL_Window * window)
slouken@1895
   461
{
slouken@4569
   462
#ifdef _WIN32_WCE
slouken@4569
   463
    WINCE_ShowWindow(_this, window, 1);
slouken@4569
   464
#else
slouken@1895
   465
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   466
    ShowWindow(hwnd, SW_SHOW);
slouken@3168
   467
#endif
slouken@1895
   468
}
slouken@1895
   469
slouken@1895
   470
void
slouken@1895
   471
WIN_HideWindow(_THIS, SDL_Window * window)
slouken@1895
   472
{
slouken@4569
   473
#ifdef _WIN32_WCE
slouken@4569
   474
    WINCE_ShowWindow(_this, window, 0);
slouken@4569
   475
#else
slouken@1895
   476
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   477
    ShowWindow(hwnd, SW_HIDE);
slouken@3168
   478
#endif
slouken@1895
   479
}
slouken@1895
   480
slouken@1895
   481
void
slouken@1895
   482
WIN_RaiseWindow(_THIS, SDL_Window * window)
slouken@1895
   483
{
slouken@1895
   484
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   485
    HWND top;
slouken@1895
   486
slouken@1895
   487
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   488
        top = HWND_TOPMOST;
slouken@1895
   489
    } else {
slouken@1895
   490
        top = HWND_NOTOPMOST;
slouken@1895
   491
    }
slouken@1895
   492
    SetWindowPos(hwnd, top, 0, 0, 0, 0, (SWP_NOMOVE | SWP_NOSIZE));
slouken@1895
   493
}
slouken@1895
   494
slouken@1895
   495
void
slouken@1895
   496
WIN_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1895
   497
{
slouken@1895
   498
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@4569
   499
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@4569
   500
slouken@4569
   501
#ifdef _WIN32_WCE
slouken@4569
   502
    if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)
slouken@4569
   503
        videodata->SHFullScreen(hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);
slouken@4569
   504
#endif
slouken@1895
   505
slouken@1895
   506
    ShowWindow(hwnd, SW_MAXIMIZE);
slouken@1895
   507
}
slouken@1895
   508
slouken@1895
   509
void
slouken@1895
   510
WIN_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1895
   511
{
slouken@1895
   512
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@4569
   513
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@1895
   514
slouken@1895
   515
    ShowWindow(hwnd, SW_MINIMIZE);
slouken@3168
   516
slouken@3168
   517
#ifdef _WIN32_WCE
slouken@4569
   518
    if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)
slouken@5305
   519
        videodata->SHFullScreen(hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
slouken@3168
   520
#endif
slouken@1895
   521
}
slouken@1895
   522
slouken@1895
   523
void
slouken@1895
   524
WIN_RestoreWindow(_THIS, SDL_Window * window)
slouken@1895
   525
{
slouken@1895
   526
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   527
slouken@1895
   528
    ShowWindow(hwnd, SW_RESTORE);
slouken@1895
   529
}
slouken@1895
   530
slouken@1895
   531
void
slouken@5305
   532
WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
slouken@5305
   533
{
slouken@5305
   534
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5305
   535
    HWND hwnd = data->hwnd;
slouken@5305
   536
    RECT rect;
slouken@5305
   537
    SDL_Rect bounds;
slouken@5305
   538
    DWORD style;
slouken@5305
   539
    HWND top;
slouken@5305
   540
    BOOL menu;
slouken@5305
   541
    int x, y;
slouken@5305
   542
    int w, h;
slouken@5305
   543
slouken@5305
   544
    if (fullscreen) {
slouken@5305
   545
        top = HWND_TOPMOST;
slouken@5305
   546
    } else {
slouken@5305
   547
        top = HWND_NOTOPMOST;
slouken@5305
   548
    }
slouken@5305
   549
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@5305
   550
    style &= ~STYLE_MASK;
slouken@5305
   551
    style |= GetWindowStyle(window);
slouken@5305
   552
slouken@5305
   553
    WIN_GetDisplayBounds(_this, display, &bounds);
slouken@5305
   554
slouken@5305
   555
    if (fullscreen) {
slouken@5305
   556
        /* Save the windowed position */
slouken@5305
   557
        data->windowed_x = window->x;
slouken@5305
   558
        data->windowed_y = window->y;
slouken@5305
   559
slouken@5305
   560
        x = bounds.x;
slouken@5305
   561
        y = bounds.y;
slouken@5305
   562
        w = bounds.w;
slouken@5305
   563
        h = bounds.h;
slouken@5305
   564
    } else {
slouken@5305
   565
        rect.left = 0;
slouken@5305
   566
        rect.top = 0;
slouken@5305
   567
        rect.right = window->w;
slouken@5305
   568
        rect.bottom = window->h;
slouken@5305
   569
#ifdef _WIN32_WCE
slouken@5305
   570
        menu = FALSE;
slouken@5305
   571
#else
slouken@5305
   572
        menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@5305
   573
#endif
slouken@5305
   574
        AdjustWindowRectEx(&rect, style, menu, 0);
slouken@5305
   575
        w = (rect.right - rect.left);
slouken@5305
   576
        h = (rect.bottom - rect.top);
slouken@5305
   577
        x = data->windowed_x + rect.left;
slouken@5305
   578
        y = data->windowed_y + rect.top;
slouken@5305
   579
    }
slouken@5305
   580
    SetWindowLong(hwnd, GWL_STYLE, style);
slouken@5305
   581
    SetWindowPos(hwnd, top, x, y, w, h, SWP_NOCOPYBITS);
slouken@5305
   582
}
slouken@5305
   583
slouken@5305
   584
void
slouken@1895
   585
WIN_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1895
   586
{
slouken@1895
   587
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   588
slouken@2876
   589
    if ((window->flags & (SDL_WINDOW_INPUT_GRABBED | SDL_WINDOW_FULLSCREEN))
slouken@2876
   590
        && (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@1895
   591
        RECT rect;
slouken@1895
   592
        GetClientRect(hwnd, &rect);
slouken@1895
   593
        ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   594
        ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   595
        ClipCursor(&rect);
slouken@1895
   596
    } else {
slouken@1895
   597
        ClipCursor(NULL);
slouken@1895
   598
    }
slouken@1895
   599
}
slouken@1895
   600
slouken@1895
   601
void
slouken@1895
   602
WIN_DestroyWindow(_THIS, SDL_Window * window)
slouken@1895
   603
{
slouken@1895
   604
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1895
   605
slouken@1895
   606
    if (data) {
slouken@4569
   607
#ifdef _WIN32_WCE
slouken@4569
   608
	WINCE_ShowWindow(_this, window, 0);
slouken@4569
   609
#endif
slouken@1913
   610
        ReleaseDC(data->hwnd, data->hdc);
slouken@1895
   611
        if (data->created) {
slouken@1895
   612
            DestroyWindow(data->hwnd);
slouken@1895
   613
        }
slouken@1895
   614
        SDL_free(data);
slouken@1895
   615
    }
slouken@1895
   616
}
slouken@1895
   617
slouken@1895
   618
SDL_bool
slouken@1895
   619
WIN_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1895
   620
{
slouken@1895
   621
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   622
    if (info->version.major <= SDL_MAJOR_VERSION) {
slouken@4900
   623
        info->subsystem = SDL_SYSWM_WINDOWS;
slouken@5056
   624
        info->info.win.window = hwnd;
slouken@1895
   625
        return SDL_TRUE;
slouken@1895
   626
    } else {
slouken@1895
   627
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1895
   628
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1895
   629
        return SDL_FALSE;
slouken@1895
   630
    }
slouken@1895
   631
}
slouken@1895
   632
slouken@2713
   633
slouken@2713
   634
/*
slouken@2713
   635
 * Creates a HelperWindow used for DirectInput events.
slouken@2713
   636
 */
slouken@2713
   637
int
slouken@2713
   638
SDL_HelperWindowCreate(void)
slouken@2713
   639
{
slouken@3097
   640
    HINSTANCE hInstance = GetModuleHandle(NULL);
slouken@3097
   641
    WNDCLASS wce;
slouken@3196
   642
    HWND hWndParent = NULL;
slouken@2713
   643
bobbens@3045
   644
    /* Make sure window isn't created twice. */
bobbens@3045
   645
    if (SDL_HelperWindow != NULL) {
bobbens@3045
   646
        return 0;
bobbens@3045
   647
    }
bobbens@3045
   648
slouken@2713
   649
    /* Create the class. */
slouken@2714
   650
    SDL_zero(wce);
slouken@3097
   651
    wce.lpfnWndProc = DefWindowProc;
slouken@2713
   652
    wce.lpszClassName = (LPCWSTR) SDL_HelperWindowClassName;
slouken@2713
   653
    wce.hInstance = hInstance;
slouken@2713
   654
slouken@2713
   655
    /* Register the class. */
slouken@3097
   656
    SDL_HelperWindowClass = RegisterClass(&wce);
slouken@2713
   657
    if (SDL_HelperWindowClass == 0) {
slouken@4500
   658
        WIN_SetError("Unable to create Helper Window Class");
slouken@2713
   659
        return -1;
slouken@2713
   660
    }
slouken@2713
   661
slouken@3168
   662
#ifndef _WIN32_WCE
slouken@3168
   663
    /* WinCE doesn't have HWND_MESSAGE */
slouken@3168
   664
    hWndParent = HWND_MESSAGE;
slouken@3168
   665
#endif
slouken@3168
   666
slouken@2713
   667
    /* Create the window. */
slouken@2714
   668
    SDL_HelperWindow = CreateWindowEx(0, SDL_HelperWindowClassName,
slouken@2714
   669
                                      SDL_HelperWindowName,
slouken@3168
   670
                                      WS_OVERLAPPED, CW_USEDEFAULT,
slouken@2714
   671
                                      CW_USEDEFAULT, CW_USEDEFAULT,
slouken@3168
   672
                                      CW_USEDEFAULT, hWndParent, NULL,
slouken@2714
   673
                                      hInstance, NULL);
slouken@2713
   674
    if (SDL_HelperWindow == NULL) {
bobbens@3045
   675
        UnregisterClass(SDL_HelperWindowClassName, hInstance);
slouken@4500
   676
        WIN_SetError("Unable to create Helper Window");
slouken@2713
   677
        return -1;
slouken@2713
   678
    }
slouken@2713
   679
slouken@2713
   680
    return 0;
slouken@2713
   681
}
slouken@2713
   682
slouken@2713
   683
slouken@2713
   684
/*
slouken@2713
   685
 * Destroys the HelperWindow previously created with SDL_HelperWindowCreate.
slouken@2713
   686
 */
slouken@2713
   687
void
slouken@2713
   688
SDL_HelperWindowDestroy(void)
slouken@2713
   689
{
slouken@3097
   690
    HINSTANCE hInstance = GetModuleHandle(NULL);
bobbens@2863
   691
slouken@2713
   692
    /* Destroy the window. */
bobbens@2863
   693
    if (SDL_HelperWindow != NULL) {
bobbens@2863
   694
        if (DestroyWindow(SDL_HelperWindow) == 0) {
slouken@4500
   695
            WIN_SetError("Unable to destroy Helper Window");
slouken@2865
   696
            return;
bobbens@2863
   697
        }
slouken@2713
   698
        SDL_HelperWindow = NULL;
slouken@2713
   699
    }
slouken@2713
   700
slouken@2713
   701
    /* Unregister the class. */
bobbens@2863
   702
    if (SDL_HelperWindowClass != 0) {
bobbens@2863
   703
        if ((UnregisterClass(SDL_HelperWindowClassName, hInstance)) == 0) {
slouken@4500
   704
            WIN_SetError("Unable to destroy Helper Window Class");
slouken@2865
   705
            return;
bobbens@2863
   706
        }
slouken@2713
   707
        SDL_HelperWindowClass = 0;
slouken@2713
   708
    }
slouken@2713
   709
}
slouken@2713
   710
slouken@1895
   711
/* vi: set ts=4 sw=4 expandtab: */