src/video/windows/SDL_windowswindow.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 15 Mar 2011 21:44:56 -0700
changeset 5495 b3680e05286d
parent 5494 78b351c52f53
child 5535 96594ac5fd1a
permissions -rw-r--r--
Removed obsolete window positioning code.
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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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   326
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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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   342
void
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WIN_SetWindowPosition(_THIS, SDL_Window * window)
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   344
{
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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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    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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   355
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        top = HWND_TOPMOST;
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   357
    } else {
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   358
        top = HWND_NOTOPMOST;
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   359
    }
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   360
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   361
    rect.left = 0;
slouken@1895
   362
    rect.top = 0;
slouken@1895
   363
    rect.right = window->w;
slouken@1895
   364
    rect.bottom = window->h;
slouken@3168
   365
#ifdef _WIN32_WCE
slouken@3168
   366
    menu = FALSE;
slouken@3168
   367
#else
slouken@3168
   368
    menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   369
#endif
slouken@3168
   370
    AdjustWindowRectEx(&rect, style, menu, 0);
slouken@4486
   371
    w = (rect.right - rect.left);
slouken@4486
   372
    h = (rect.bottom - rect.top);
slouken@5495
   373
    x = window->x + rect.left;
slouken@5495
   374
    y = window->y + rect.top;
slouken@1895
   375
slouken@1956
   376
    SetWindowPos(hwnd, top, x, y, 0, 0, (SWP_NOCOPYBITS | SWP_NOSIZE));
slouken@1895
   377
}
slouken@1895
   378
slouken@1895
   379
void
slouken@1895
   380
WIN_SetWindowSize(_THIS, SDL_Window * window)
slouken@1895
   381
{
slouken@1895
   382
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   383
    RECT rect;
slouken@1895
   384
    DWORD style;
slouken@1895
   385
    HWND top;
slouken@3168
   386
    BOOL menu;
slouken@1895
   387
    int w, h;
slouken@1895
   388
slouken@1895
   389
    /* Figure out what the window area will be */
slouken@1895
   390
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   391
        top = HWND_TOPMOST;
slouken@1895
   392
    } else {
slouken@1895
   393
        top = HWND_NOTOPMOST;
slouken@1895
   394
    }
slouken@1895
   395
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@1895
   396
    rect.left = 0;
slouken@1895
   397
    rect.top = 0;
slouken@1895
   398
    rect.right = window->w;
slouken@1895
   399
    rect.bottom = window->h;
slouken@3168
   400
#ifdef _WIN32_WCE
slouken@3168
   401
    menu = FALSE;
slouken@3168
   402
#else
slouken@3168
   403
    menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@3168
   404
#endif
slouken@3168
   405
    AdjustWindowRectEx(&rect, style, menu, 0);
slouken@1895
   406
    w = (rect.right - rect.left);
slouken@1895
   407
    h = (rect.bottom - rect.top);
slouken@1895
   408
slouken@2968
   409
    SetWindowPos(hwnd, top, 0, 0, w, h, (SWP_NOCOPYBITS | SWP_NOMOVE));
slouken@5246
   410
}
slouken@5178
   411
slouken@5246
   412
#ifdef _WIN32_WCE
slouken@5246
   413
void WINCE_ShowWindow(_THIS, SDL_Window* window, int visible)
slouken@5246
   414
{
slouken@5246
   415
    SDL_WindowData* windowdata = (SDL_WindowData*) window->driverdata;
slouken@5246
   416
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@5246
   417
slouken@5246
   418
    if(visible) {
slouken@5246
   419
        if(window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
   420
            if(videodata->SHFullScreen)
slouken@5246
   421
                videodata->SHFullScreen(windowdata->hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);
slouken@5246
   422
slouken@5246
   423
            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_HIDE);
slouken@5246
   424
        }
slouken@5246
   425
slouken@5246
   426
        ShowWindow(windowdata->hwnd, SW_SHOW);
slouken@5246
   427
        SetForegroundWindow(windowdata->hwnd);
slouken@5246
   428
    } else {
slouken@5246
   429
        ShowWindow(windowdata->hwnd, SW_HIDE);
slouken@5246
   430
slouken@5246
   431
        if(window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
   432
            if(videodata->SHFullScreen)
slouken@5246
   433
                videodata->SHFullScreen(windowdata->hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
slouken@5246
   434
slouken@5246
   435
            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_SHOW);
slouken@5246
   436
slouken@5246
   437
        }
slouken@5246
   438
    }
slouken@1895
   439
}
slouken@5178
   440
#endif /* _WIN32_WCE */
slouken@1895
   441
slouken@1895
   442
void
slouken@1895
   443
WIN_ShowWindow(_THIS, SDL_Window * window)
slouken@1895
   444
{
slouken@4569
   445
#ifdef _WIN32_WCE
slouken@4569
   446
    WINCE_ShowWindow(_this, window, 1);
slouken@4569
   447
#else
slouken@1895
   448
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   449
    ShowWindow(hwnd, SW_SHOW);
slouken@3168
   450
#endif
slouken@1895
   451
}
slouken@1895
   452
slouken@1895
   453
void
slouken@1895
   454
WIN_HideWindow(_THIS, SDL_Window * window)
slouken@1895
   455
{
slouken@4569
   456
#ifdef _WIN32_WCE
slouken@4569
   457
    WINCE_ShowWindow(_this, window, 0);
slouken@4569
   458
#else
slouken@1895
   459
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   460
    ShowWindow(hwnd, SW_HIDE);
slouken@3168
   461
#endif
slouken@1895
   462
}
slouken@1895
   463
slouken@1895
   464
void
slouken@1895
   465
WIN_RaiseWindow(_THIS, SDL_Window * window)
slouken@1895
   466
{
slouken@1895
   467
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   468
    HWND top;
slouken@1895
   469
slouken@1895
   470
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   471
        top = HWND_TOPMOST;
slouken@1895
   472
    } else {
slouken@1895
   473
        top = HWND_NOTOPMOST;
slouken@1895
   474
    }
slouken@1895
   475
    SetWindowPos(hwnd, top, 0, 0, 0, 0, (SWP_NOMOVE | SWP_NOSIZE));
slouken@1895
   476
}
slouken@1895
   477
slouken@1895
   478
void
slouken@1895
   479
WIN_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1895
   480
{
slouken@1895
   481
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@4569
   482
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@4569
   483
slouken@4569
   484
#ifdef _WIN32_WCE
slouken@4569
   485
    if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)
slouken@4569
   486
        videodata->SHFullScreen(hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);
slouken@4569
   487
#endif
slouken@1895
   488
slouken@1895
   489
    ShowWindow(hwnd, SW_MAXIMIZE);
slouken@1895
   490
}
slouken@1895
   491
slouken@1895
   492
void
slouken@1895
   493
WIN_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1895
   494
{
slouken@1895
   495
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@4569
   496
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@1895
   497
slouken@1895
   498
    ShowWindow(hwnd, SW_MINIMIZE);
slouken@3168
   499
slouken@3168
   500
#ifdef _WIN32_WCE
slouken@4569
   501
    if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)
slouken@5305
   502
        videodata->SHFullScreen(hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
slouken@3168
   503
#endif
slouken@1895
   504
}
slouken@1895
   505
slouken@1895
   506
void
slouken@1895
   507
WIN_RestoreWindow(_THIS, SDL_Window * window)
slouken@1895
   508
{
slouken@1895
   509
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   510
slouken@1895
   511
    ShowWindow(hwnd, SW_RESTORE);
slouken@1895
   512
}
slouken@1895
   513
slouken@1895
   514
void
slouken@5305
   515
WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
slouken@5305
   516
{
slouken@5305
   517
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5305
   518
    HWND hwnd = data->hwnd;
slouken@5305
   519
    RECT rect;
slouken@5305
   520
    SDL_Rect bounds;
slouken@5305
   521
    DWORD style;
slouken@5305
   522
    HWND top;
slouken@5305
   523
    BOOL menu;
slouken@5305
   524
    int x, y;
slouken@5305
   525
    int w, h;
slouken@5305
   526
slouken@5305
   527
    if (fullscreen) {
slouken@5305
   528
        top = HWND_TOPMOST;
slouken@5305
   529
    } else {
slouken@5305
   530
        top = HWND_NOTOPMOST;
slouken@5305
   531
    }
slouken@5305
   532
    style = GetWindowLong(hwnd, GWL_STYLE);
slouken@5305
   533
    style &= ~STYLE_MASK;
slouken@5305
   534
    style |= GetWindowStyle(window);
slouken@5305
   535
slouken@5305
   536
    WIN_GetDisplayBounds(_this, display, &bounds);
slouken@5305
   537
slouken@5305
   538
    if (fullscreen) {
slouken@5305
   539
        x = bounds.x;
slouken@5305
   540
        y = bounds.y;
slouken@5305
   541
        w = bounds.w;
slouken@5305
   542
        h = bounds.h;
slouken@5305
   543
    } else {
slouken@5305
   544
        rect.left = 0;
slouken@5305
   545
        rect.top = 0;
slouken@5398
   546
        rect.right = window->windowed.w;
slouken@5398
   547
        rect.bottom = window->windowed.h;
slouken@5305
   548
#ifdef _WIN32_WCE
slouken@5305
   549
        menu = FALSE;
slouken@5305
   550
#else
slouken@5305
   551
        menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
slouken@5305
   552
#endif
slouken@5305
   553
        AdjustWindowRectEx(&rect, style, menu, 0);
slouken@5305
   554
        w = (rect.right - rect.left);
slouken@5305
   555
        h = (rect.bottom - rect.top);
slouken@5398
   556
        x = window->windowed.x + rect.left;
slouken@5398
   557
        y = window->windowed.y + rect.top;
slouken@5305
   558
    }
slouken@5305
   559
    SetWindowLong(hwnd, GWL_STYLE, style);
slouken@5305
   560
    SetWindowPos(hwnd, top, x, y, w, h, SWP_NOCOPYBITS);
slouken@5305
   561
}
slouken@5305
   562
slouken@5466
   563
int
slouken@5466
   564
WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp)
slouken@5466
   565
{
slouken@5466
   566
#ifdef _WIN32_WCE
slouken@5466
   567
    SDL_Unsupported();
slouken@5466
   568
    return -1;
slouken@5466
   569
#else
slouken@5466
   570
    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@5466
   571
    SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
slouken@5466
   572
    HDC hdc;
slouken@5466
   573
    BOOL succeeded = FALSE;
slouken@5466
   574
slouken@5466
   575
    hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
slouken@5466
   576
    if (hdc) {
slouken@5466
   577
        succeeded = SetDeviceGammaRamp(hdc, (LPVOID)ramp);
slouken@5466
   578
        if (!succeeded) {
slouken@5466
   579
            WIN_SetError("SetDeviceGammaRamp()");
slouken@5466
   580
        }
slouken@5466
   581
        DeleteDC(hdc);
slouken@5466
   582
    }
slouken@5466
   583
    return succeeded ? 0 : -1;
slouken@5466
   584
#endif
slouken@5466
   585
}
slouken@5466
   586
slouken@5466
   587
int
slouken@5466
   588
WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp)
slouken@5466
   589
{
slouken@5466
   590
#ifdef _WIN32_WCE
slouken@5466
   591
    SDL_Unsupported();
slouken@5466
   592
    return -1;
slouken@5466
   593
#else
slouken@5466
   594
    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@5466
   595
    SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
slouken@5466
   596
    HDC hdc;
slouken@5466
   597
    BOOL succeeded = FALSE;
slouken@5466
   598
slouken@5466
   599
    hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
slouken@5466
   600
    if (hdc) {
slouken@5466
   601
        succeeded = GetDeviceGammaRamp(hdc, (LPVOID)ramp);
slouken@5466
   602
        if (!succeeded) {
slouken@5466
   603
            WIN_SetError("GetDeviceGammaRamp()");
slouken@5466
   604
        }
slouken@5466
   605
        DeleteDC(hdc);
slouken@5466
   606
    }
slouken@5466
   607
    return succeeded ? 0 : -1;
slouken@5466
   608
#endif
slouken@5466
   609
}
slouken@5466
   610
slouken@5305
   611
void
slouken@1895
   612
WIN_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1895
   613
{
slouken@1895
   614
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   615
slouken@5416
   616
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
slouken@5416
   617
        (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@1895
   618
        RECT rect;
slouken@1895
   619
        GetClientRect(hwnd, &rect);
slouken@1895
   620
        ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   621
        ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   622
        ClipCursor(&rect);
slouken@1895
   623
    } else {
slouken@1895
   624
        ClipCursor(NULL);
slouken@1895
   625
    }
slouken@1895
   626
}
slouken@1895
   627
slouken@1895
   628
void
slouken@1895
   629
WIN_DestroyWindow(_THIS, SDL_Window * window)
slouken@1895
   630
{
slouken@1895
   631
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1895
   632
slouken@1895
   633
    if (data) {
slouken@4569
   634
#ifdef _WIN32_WCE
slouken@4569
   635
	WINCE_ShowWindow(_this, window, 0);
slouken@4569
   636
#endif
slouken@1913
   637
        ReleaseDC(data->hwnd, data->hdc);
slouken@1895
   638
        if (data->created) {
slouken@1895
   639
            DestroyWindow(data->hwnd);
slouken@1895
   640
        }
slouken@1895
   641
        SDL_free(data);
slouken@1895
   642
    }
slouken@1895
   643
}
slouken@1895
   644
slouken@1895
   645
SDL_bool
slouken@1895
   646
WIN_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1895
   647
{
slouken@1895
   648
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
slouken@1895
   649
    if (info->version.major <= SDL_MAJOR_VERSION) {
slouken@4900
   650
        info->subsystem = SDL_SYSWM_WINDOWS;
slouken@5056
   651
        info->info.win.window = hwnd;
slouken@1895
   652
        return SDL_TRUE;
slouken@1895
   653
    } else {
slouken@1895
   654
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1895
   655
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1895
   656
        return SDL_FALSE;
slouken@1895
   657
    }
slouken@1895
   658
}
slouken@1895
   659
slouken@2713
   660
slouken@2713
   661
/*
slouken@2713
   662
 * Creates a HelperWindow used for DirectInput events.
slouken@2713
   663
 */
slouken@2713
   664
int
slouken@2713
   665
SDL_HelperWindowCreate(void)
slouken@2713
   666
{
slouken@3097
   667
    HINSTANCE hInstance = GetModuleHandle(NULL);
slouken@3097
   668
    WNDCLASS wce;
slouken@3196
   669
    HWND hWndParent = NULL;
slouken@2713
   670
bobbens@3045
   671
    /* Make sure window isn't created twice. */
bobbens@3045
   672
    if (SDL_HelperWindow != NULL) {
bobbens@3045
   673
        return 0;
bobbens@3045
   674
    }
bobbens@3045
   675
slouken@2713
   676
    /* Create the class. */
slouken@2714
   677
    SDL_zero(wce);
slouken@3097
   678
    wce.lpfnWndProc = DefWindowProc;
slouken@2713
   679
    wce.lpszClassName = (LPCWSTR) SDL_HelperWindowClassName;
slouken@2713
   680
    wce.hInstance = hInstance;
slouken@2713
   681
slouken@2713
   682
    /* Register the class. */
slouken@3097
   683
    SDL_HelperWindowClass = RegisterClass(&wce);
slouken@2713
   684
    if (SDL_HelperWindowClass == 0) {
slouken@4500
   685
        WIN_SetError("Unable to create Helper Window Class");
slouken@2713
   686
        return -1;
slouken@2713
   687
    }
slouken@2713
   688
slouken@3168
   689
#ifndef _WIN32_WCE
slouken@3168
   690
    /* WinCE doesn't have HWND_MESSAGE */
slouken@3168
   691
    hWndParent = HWND_MESSAGE;
slouken@3168
   692
#endif
slouken@3168
   693
slouken@2713
   694
    /* Create the window. */
slouken@2714
   695
    SDL_HelperWindow = CreateWindowEx(0, SDL_HelperWindowClassName,
slouken@2714
   696
                                      SDL_HelperWindowName,
slouken@3168
   697
                                      WS_OVERLAPPED, CW_USEDEFAULT,
slouken@2714
   698
                                      CW_USEDEFAULT, CW_USEDEFAULT,
slouken@3168
   699
                                      CW_USEDEFAULT, hWndParent, NULL,
slouken@2714
   700
                                      hInstance, NULL);
slouken@2713
   701
    if (SDL_HelperWindow == NULL) {
bobbens@3045
   702
        UnregisterClass(SDL_HelperWindowClassName, hInstance);
slouken@4500
   703
        WIN_SetError("Unable to create Helper Window");
slouken@2713
   704
        return -1;
slouken@2713
   705
    }
slouken@2713
   706
slouken@2713
   707
    return 0;
slouken@2713
   708
}
slouken@2713
   709
slouken@2713
   710
slouken@2713
   711
/*
slouken@2713
   712
 * Destroys the HelperWindow previously created with SDL_HelperWindowCreate.
slouken@2713
   713
 */
slouken@2713
   714
void
slouken@2713
   715
SDL_HelperWindowDestroy(void)
slouken@2713
   716
{
slouken@3097
   717
    HINSTANCE hInstance = GetModuleHandle(NULL);
bobbens@2863
   718
slouken@2713
   719
    /* Destroy the window. */
bobbens@2863
   720
    if (SDL_HelperWindow != NULL) {
bobbens@2863
   721
        if (DestroyWindow(SDL_HelperWindow) == 0) {
slouken@4500
   722
            WIN_SetError("Unable to destroy Helper Window");
slouken@2865
   723
            return;
bobbens@2863
   724
        }
slouken@2713
   725
        SDL_HelperWindow = NULL;
slouken@2713
   726
    }
slouken@2713
   727
slouken@2713
   728
    /* Unregister the class. */
bobbens@2863
   729
    if (SDL_HelperWindowClass != 0) {
bobbens@2863
   730
        if ((UnregisterClass(SDL_HelperWindowClassName, hInstance)) == 0) {
slouken@4500
   731
            WIN_SetError("Unable to destroy Helper Window Class");
slouken@2865
   732
            return;
bobbens@2863
   733
        }
slouken@2713
   734
        SDL_HelperWindowClass = 0;
slouken@2713
   735
    }
slouken@2713
   736
}
slouken@2713
   737
slouken@1895
   738
/* vi: set ts=4 sw=4 expandtab: */