src/video/windows/SDL_windowswindow.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 28 Feb 2011 21:58:37 -0800
changeset 5418 f8ecf0869cc9
parent 5416 1b085f890c44
child 5466 006883d5fa51
permissions -rwxr-xr-x
You can use SDL_ConvertSurfaceFormat() now
Also, icon is guaranteed not to be NULL going into this function.
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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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    BYTE *icon_bmp;
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    int icon_len;
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    SDL_RWops *dst;
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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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    surface = SDL_ConvertSurfaceFormat(icon, SDL_PIXELFORMAT_ARGB8888, 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 = 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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    /* 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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    /* Figure out what the window area will be */
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    if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        top = HWND_TOPMOST;
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   358
    } else {
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   359
        top = HWND_NOTOPMOST;
slouken@1895
   360
    }
slouken@1895
   361
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   362
    rect.left = 0;
slouken@1895
   363
    rect.top = 0;
slouken@1895
   364
    rect.right = window->w;
slouken@1895
   365
    rect.bottom = window->h;
slouken@3168
   366
#ifdef _WIN32_WCE
slouken@3168
   367
    menu = FALSE;
slouken@3168
   368
#else
slouken@3168
   369
    menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   370
#endif
slouken@3168
   371
    AdjustWindowRectEx(&rect, style, menu, 0);
slouken@4486
   372
    w = (rect.right - rect.left);
slouken@4486
   373
    h = (rect.bottom - rect.top);
slouken@2875
   374
slouken@3528
   375
    WIN_GetDisplayBounds(_this, display, &bounds);
slouken@5305
   376
    if (SDL_WINDOWPOS_ISCENTERED(window->x)) {
slouken@4486
   377
        x = bounds.x + (bounds.w - w) / 2;
slouken@2875
   378
    } else {
slouken@5246
   379
        x = window->x + rect.left;
slouken@2875
   380
    }
slouken@5305
   381
    if (SDL_WINDOWPOS_ISCENTERED(window->y)) {
slouken@4486
   382
        y = bounds.y + (bounds.h - h) / 2;
slouken@2875
   383
    } else {
slouken@5246
   384
        y = window->y + rect.top;
slouken@2875
   385
    }
slouken@1895
   386
slouken@1956
   387
    SetWindowPos(hwnd, top, x, y, 0, 0, (SWP_NOCOPYBITS | SWP_NOSIZE));
slouken@1895
   388
}
slouken@1895
   389
slouken@1895
   390
void
slouken@1895
   391
WIN_SetWindowSize(_THIS, SDL_Window * window)
slouken@1895
   392
{
slouken@1895
   393
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   394
    RECT rect;
slouken@1895
   395
    DWORD style;
slouken@1895
   396
    HWND top;
slouken@3168
   397
    BOOL menu;
slouken@1895
   398
    int w, h;
slouken@1895
   399
slouken@1895
   400
    /* Figure out what the window area will be */
slouken@1895
   401
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   402
        top = HWND_TOPMOST;
slouken@1895
   403
    } else {
slouken@1895
   404
        top = HWND_NOTOPMOST;
slouken@1895
   405
    }
slouken@1895
   406
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   407
    rect.left = 0;
slouken@1895
   408
    rect.top = 0;
slouken@1895
   409
    rect.right = window->w;
slouken@1895
   410
    rect.bottom = window->h;
slouken@3168
   411
#ifdef _WIN32_WCE
slouken@3168
   412
    menu = FALSE;
slouken@3168
   413
#else
slouken@3168
   414
    menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   415
#endif
slouken@3168
   416
    AdjustWindowRectEx(&rect, style, menu, 0);
slouken@1895
   417
    w = (rect.right - rect.left);
slouken@1895
   418
    h = (rect.bottom - rect.top);
slouken@1895
   419
slouken@2968
   420
    SetWindowPos(hwnd, top, 0, 0, w, h, (SWP_NOCOPYBITS | SWP_NOMOVE));
slouken@5246
   421
}
slouken@5246
   422
slouken@5246
   423
#ifdef _WIN32_WCE
slouken@5246
   424
void WINCE_ShowWindow(_THIS, SDL_Window* window, int visible)
slouken@5246
   425
{
slouken@5246
   426
    SDL_WindowData* windowdata = (SDL_WindowData*) window->driverdata;
slouken@5246
   427
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@5246
   428
slouken@5246
   429
    if(visible) {
slouken@5246
   430
        if(window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
   431
            if(videodata->SHFullScreen)
slouken@5246
   432
                videodata->SHFullScreen(windowdata->hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);
slouken@5178
   433
slouken@5246
   434
            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_HIDE);
slouken@5246
   435
        }
slouken@5246
   436
slouken@5246
   437
        ShowWindow(windowdata->hwnd, SW_SHOW);
slouken@5246
   438
        SetForegroundWindow(windowdata->hwnd);
slouken@5246
   439
    } else {
slouken@5246
   440
        ShowWindow(windowdata->hwnd, SW_HIDE);
slouken@5246
   441
slouken@5246
   442
        if(window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
   443
            if(videodata->SHFullScreen)
slouken@5246
   444
                videodata->SHFullScreen(windowdata->hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
slouken@5246
   445
slouken@5246
   446
            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_SHOW);
slouken@5246
   447
slouken@5246
   448
        }
slouken@5246
   449
    }
slouken@1895
   450
}
slouken@5178
   451
#endif /* _WIN32_WCE */
slouken@1895
   452
slouken@1895
   453
void
slouken@1895
   454
WIN_ShowWindow(_THIS, SDL_Window * window)
slouken@1895
   455
{
slouken@4569
   456
#ifdef _WIN32_WCE
slouken@4569
   457
    WINCE_ShowWindow(_this, window, 1);
slouken@4569
   458
#else
slouken@1895
   459
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   460
    ShowWindow(hwnd, SW_SHOW);
slouken@3168
   461
#endif
slouken@1895
   462
}
slouken@1895
   463
slouken@1895
   464
void
slouken@1895
   465
WIN_HideWindow(_THIS, SDL_Window * window)
slouken@1895
   466
{
slouken@4569
   467
#ifdef _WIN32_WCE
slouken@4569
   468
    WINCE_ShowWindow(_this, window, 0);
slouken@4569
   469
#else
slouken@1895
   470
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   471
    ShowWindow(hwnd, SW_HIDE);
slouken@3168
   472
#endif
slouken@1895
   473
}
slouken@1895
   474
slouken@1895
   475
void
slouken@1895
   476
WIN_RaiseWindow(_THIS, SDL_Window * window)
slouken@1895
   477
{
slouken@1895
   478
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   479
    HWND top;
slouken@1895
   480
slouken@1895
   481
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   482
        top = HWND_TOPMOST;
slouken@1895
   483
    } else {
slouken@1895
   484
        top = HWND_NOTOPMOST;
slouken@1895
   485
    }
slouken@1895
   486
    SetWindowPos(hwnd, top, 0, 0, 0, 0, (SWP_NOMOVE | SWP_NOSIZE));
slouken@1895
   487
}
slouken@1895
   488
slouken@1895
   489
void
slouken@1895
   490
WIN_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1895
   491
{
slouken@1895
   492
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@4569
   493
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@3168
   494
slouken@3168
   495
#ifdef _WIN32_WCE
slouken@4569
   496
    if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)
slouken@4569
   497
        videodata->SHFullScreen(hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);
slouken@3168
   498
#endif
slouken@4569
   499
slouken@4569
   500
    ShowWindow(hwnd, SW_MAXIMIZE);
slouken@1895
   501
}
slouken@1895
   502
slouken@1895
   503
void
slouken@1895
   504
WIN_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1895
   505
{
slouken@1895
   506
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@4569
   507
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@1895
   508
slouken@1895
   509
    ShowWindow(hwnd, SW_MINIMIZE);
slouken@3168
   510
slouken@3168
   511
#ifdef _WIN32_WCE
slouken@4569
   512
    if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)
slouken@5305
   513
        videodata->SHFullScreen(hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
slouken@3168
   514
#endif
slouken@1895
   515
}
slouken@1895
   516
slouken@1895
   517
void
slouken@1895
   518
WIN_RestoreWindow(_THIS, SDL_Window * window)
slouken@1895
   519
{
slouken@1895
   520
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   521
slouken@1895
   522
    ShowWindow(hwnd, SW_RESTORE);
slouken@1895
   523
}
slouken@1895
   524
slouken@1895
   525
void
slouken@5305
   526
WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
slouken@5305
   527
{
slouken@5305
   528
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5305
   529
    HWND hwnd = data->hwnd;
slouken@5305
   530
    RECT rect;
slouken@5305
   531
    SDL_Rect bounds;
slouken@5305
   532
    DWORD style;
slouken@5305
   533
    HWND top;
slouken@5305
   534
    BOOL menu;
slouken@5305
   535
    int x, y;
slouken@5305
   536
    int w, h;
slouken@5305
   537
slouken@5305
   538
    if (fullscreen) {
slouken@5305
   539
        top = HWND_TOPMOST;
slouken@5305
   540
    } else {
slouken@5305
   541
        top = HWND_NOTOPMOST;
slouken@5305
   542
    }
slouken@5305
   543
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@5305
   544
    style &= ~STYLE_MASK;
slouken@5305
   545
    style |= GetWindowStyle(window);
slouken@5305
   546
slouken@5305
   547
    WIN_GetDisplayBounds(_this, display, &bounds);
slouken@5305
   548
slouken@5305
   549
    if (fullscreen) {
slouken@5305
   550
        x = bounds.x;
slouken@5305
   551
        y = bounds.y;
slouken@5305
   552
        w = bounds.w;
slouken@5305
   553
        h = bounds.h;
slouken@5305
   554
    } else {
slouken@5305
   555
        rect.left = 0;
slouken@5305
   556
        rect.top = 0;
slouken@5398
   557
        rect.right = window->windowed.w;
slouken@5398
   558
        rect.bottom = window->windowed.h;
slouken@5305
   559
#ifdef _WIN32_WCE
slouken@5305
   560
        menu = FALSE;
slouken@5305
   561
#else
slouken@5305
   562
        menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@5305
   563
#endif
slouken@5305
   564
        AdjustWindowRectEx(&rect, style, menu, 0);
slouken@5305
   565
        w = (rect.right - rect.left);
slouken@5305
   566
        h = (rect.bottom - rect.top);
slouken@5398
   567
        x = window->windowed.x + rect.left;
slouken@5398
   568
        y = window->windowed.y + rect.top;
slouken@5305
   569
    }
slouken@5305
   570
    SetWindowLong(hwnd, GWL_STYLE, style);
slouken@5305
   571
    SetWindowPos(hwnd, top, x, y, w, h, SWP_NOCOPYBITS);
slouken@5305
   572
}
slouken@5305
   573
slouken@5305
   574
void
slouken@1895
   575
WIN_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1895
   576
{
slouken@1895
   577
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   578
slouken@5416
   579
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
slouken@5416
   580
        (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@1895
   581
        RECT rect;
slouken@1895
   582
        GetClientRect(hwnd, &rect);
slouken@1895
   583
        ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   584
        ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   585
        ClipCursor(&rect);
slouken@1895
   586
    } else {
slouken@1895
   587
        ClipCursor(NULL);
slouken@1895
   588
    }
slouken@1895
   589
}
slouken@1895
   590
slouken@1895
   591
void
slouken@1895
   592
WIN_DestroyWindow(_THIS, SDL_Window * window)
slouken@1895
   593
{
slouken@1895
   594
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1895
   595
slouken@1895
   596
    if (data) {
slouken@4569
   597
#ifdef _WIN32_WCE
slouken@4569
   598
	WINCE_ShowWindow(_this, window, 0);
slouken@4569
   599
#endif
slouken@1913
   600
        ReleaseDC(data->hwnd, data->hdc);
slouken@1895
   601
        if (data->created) {
slouken@1895
   602
            DestroyWindow(data->hwnd);
slouken@1895
   603
        }
slouken@1895
   604
        SDL_free(data);
slouken@1895
   605
    }
slouken@1895
   606
}
slouken@1895
   607
slouken@1895
   608
SDL_bool
slouken@1895
   609
WIN_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1895
   610
{
slouken@1895
   611
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   612
    if (info->version.major <= SDL_MAJOR_VERSION) {
slouken@4900
   613
        info->subsystem = SDL_SYSWM_WINDOWS;
slouken@5056
   614
        info->info.win.window = hwnd;
slouken@1895
   615
        return SDL_TRUE;
slouken@1895
   616
    } else {
slouken@1895
   617
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1895
   618
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1895
   619
        return SDL_FALSE;
slouken@1895
   620
    }
slouken@1895
   621
}
slouken@1895
   622
slouken@2713
   623
slouken@2713
   624
/*
slouken@2713
   625
 * Creates a HelperWindow used for DirectInput events.
slouken@2713
   626
 */
slouken@2713
   627
int
slouken@2713
   628
SDL_HelperWindowCreate(void)
slouken@2713
   629
{
slouken@3097
   630
    HINSTANCE hInstance = GetModuleHandle(NULL);
slouken@3097
   631
    WNDCLASS wce;
slouken@3196
   632
    HWND hWndParent = NULL;
slouken@2713
   633
bobbens@3045
   634
    /* Make sure window isn't created twice. */
bobbens@3045
   635
    if (SDL_HelperWindow != NULL) {
bobbens@3045
   636
        return 0;
bobbens@3045
   637
    }
bobbens@3045
   638
slouken@2713
   639
    /* Create the class. */
slouken@2714
   640
    SDL_zero(wce);
slouken@3097
   641
    wce.lpfnWndProc = DefWindowProc;
slouken@2713
   642
    wce.lpszClassName = (LPCWSTR) SDL_HelperWindowClassName;
slouken@2713
   643
    wce.hInstance = hInstance;
slouken@2713
   644
slouken@2713
   645
    /* Register the class. */
slouken@3097
   646
    SDL_HelperWindowClass = RegisterClass(&wce);
slouken@2713
   647
    if (SDL_HelperWindowClass == 0) {
slouken@4500
   648
        WIN_SetError("Unable to create Helper Window Class");
slouken@2713
   649
        return -1;
slouken@2713
   650
    }
slouken@2713
   651
slouken@3168
   652
#ifndef _WIN32_WCE
slouken@3168
   653
    /* WinCE doesn't have HWND_MESSAGE */
slouken@3168
   654
    hWndParent = HWND_MESSAGE;
slouken@3168
   655
#endif
slouken@3168
   656
slouken@2713
   657
    /* Create the window. */
slouken@2714
   658
    SDL_HelperWindow = CreateWindowEx(0, SDL_HelperWindowClassName,
slouken@2714
   659
                                      SDL_HelperWindowName,
slouken@3168
   660
                                      WS_OVERLAPPED, CW_USEDEFAULT,
slouken@2714
   661
                                      CW_USEDEFAULT, CW_USEDEFAULT,
slouken@3168
   662
                                      CW_USEDEFAULT, hWndParent, NULL,
slouken@2714
   663
                                      hInstance, NULL);
slouken@2713
   664
    if (SDL_HelperWindow == NULL) {
bobbens@3045
   665
        UnregisterClass(SDL_HelperWindowClassName, hInstance);
slouken@4500
   666
        WIN_SetError("Unable to create Helper Window");
slouken@2713
   667
        return -1;
slouken@2713
   668
    }
slouken@2713
   669
slouken@2713
   670
    return 0;
slouken@2713
   671
}
slouken@2713
   672
slouken@2713
   673
slouken@2713
   674
/*
slouken@2713
   675
 * Destroys the HelperWindow previously created with SDL_HelperWindowCreate.
slouken@2713
   676
 */
slouken@2713
   677
void
slouken@2713
   678
SDL_HelperWindowDestroy(void)
slouken@2713
   679
{
slouken@3097
   680
    HINSTANCE hInstance = GetModuleHandle(NULL);
bobbens@2863
   681
slouken@2713
   682
    /* Destroy the window. */
bobbens@2863
   683
    if (SDL_HelperWindow != NULL) {
bobbens@2863
   684
        if (DestroyWindow(SDL_HelperWindow) == 0) {
slouken@4500
   685
            WIN_SetError("Unable to destroy Helper Window");
slouken@2865
   686
            return;
bobbens@2863
   687
        }
slouken@2713
   688
        SDL_HelperWindow = NULL;
slouken@2713
   689
    }
slouken@2713
   690
slouken@2713
   691
    /* Unregister the class. */
bobbens@2863
   692
    if (SDL_HelperWindowClass != 0) {
bobbens@2863
   693
        if ((UnregisterClass(SDL_HelperWindowClassName, hInstance)) == 0) {
slouken@4500
   694
            WIN_SetError("Unable to destroy Helper Window Class");
slouken@2865
   695
            return;
bobbens@2863
   696
        }
slouken@2713
   697
        SDL_HelperWindowClass = 0;
slouken@2713
   698
    }
slouken@2713
   699
}
slouken@2713
   700
slouken@1895
   701
/* vi: set ts=4 sw=4 expandtab: */