guisize.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 199 行

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
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*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include "guiwind.h"
#include "guixutil.h"
#include "guixwind.h"
#include "guixhook.h"
#include "guiscale.h"
#include "guirect.h"
#include "guipaint.h"

extern  bool    GUIMDI;

bool GUIResizeWindow( gui_window *wnd, gui_rect *rect )
{
    gui_coord   pos;
    gui_coord   size;
    gui_window  *parent;
    HWND        frame;
    HWND        phwnd;
    HWND        rphwnd;
    WPI_POINT   pt;

    GUIInvalidatePaintHandles( wnd );
    if( wnd->hwnd != NULLHANDLE ) {
        frame = GUIGetParentFrameHWND( wnd );
        parent = wnd->parent;
        phwnd = HWND_DESKTOP;
        if( parent ) {
            phwnd = parent->hwnd;
        }
        GUICalcLocation( rect, &pos, &size, phwnd );
        if( wnd->flags & IS_DIALOG ) {
            // dialogs are owned by, but not children of, phwnd
            // so lets map pos to its real parent
            pt.x = pos.x;
            pt.y = pos.y;
            rphwnd = _wpi_getparent( frame );
            _wpi_mapwindowpoints( phwnd, rphwnd, &pt, 1 );
            _wpi_movewindow( frame, pt.x, pt.y, size.x, size.y, TRUE );

// The following is a bandaid 'till I find out why WM_SIZE's aren't
// generated for PM GUI dialogs by this fuction
#ifdef __OS2_PM__
            _wpi_getclientrect( frame, &wnd->hwnd_client );
            wnd->root_client = wnd->hwnd_client;
            GUISetRowCol( wnd, NULL );
            GUIScreenToScaleR( &size );
            GUIEVENTWND( wnd, GUI_RESIZE, &size );
#endif
        } else {
            _wpi_setwindowpos( frame, NULL, pos.x, pos.y, size.x, size.y,
                               SWP_NOACTIVATE | SWP_NOZORDER | SWP_SIZE | SWP_MOVE );
                               //SWP_NOREDRAW | SWP_NOACTIVATE | SWP_NOZORDER | SWP_SIZE | SWP_MOVE );
        }
    }
    return( TRUE );
}

void GUISetRestoredSize( gui_window *wnd, gui_rect *rect )
{
    gui_coord           pos;
    gui_coord           size;
    gui_window          *parent;
    HWND                frame;
    HWND                phwnd;
    WPI_RECT            new_rect;

    if( GUIIsMaximized( wnd ) || GUIIsMinimized( wnd ) ) {
        if( wnd->hwnd != NULLHANDLE ) {
            frame = GUIGetParentFrameHWND( wnd );
            parent = wnd->parent;
            phwnd = HWND_DESKTOP;
            if( parent ) {
                phwnd = parent->hwnd;
            }
            GUICalcLocation( rect, &pos, &size, phwnd );
            _wpi_setrectvalues( &new_rect, pos.x, pos.y, pos.x + size.x,
                                pos.y + size.y );
            if( GUIMDIMaximized( wnd ) ) {
                GUISetMDIRestoredSize( frame, &new_rect );
            } else {
                _wpi_setrestoredrect( frame, &new_rect );
            }
        }
    } else {
        GUIResizeWindow( wnd, rect );
    }
}

bool GUIGetRestoredSize( gui_window *wnd, gui_rect *rect )
{
    HWND                top_hwnd;
    HWND                parent;
    WPI_RECT            new_rect;

    if( wnd->hwnd != NULLHANDLE ) {
        top_hwnd = GUIGetParentFrameHWND( wnd );
        parent = _wpi_getparent( top_hwnd );
        _wpi_getrestoredrect( top_hwnd, &new_rect );
        _wpi_mapwindowpoints( parent, HWND_DESKTOP, (WPI_LPPOINT)&new_rect, 2 );
        DoGetRelRect( top_hwnd, &new_rect, rect, ( wnd->style & GUI_POPUP ) );
        return( TRUE );
    }

    return( FALSE );
}

void GUIMinimizeWindow( gui_window *wnd )
{
    if( wnd->style & GUI_MINIMIZE ) {
        _wpi_minimizewindow( GUIGetParentFrameHWND( wnd ) );
    }
}

extern void GUIMaximizeWindow( gui_window *wnd )
{
    if( wnd->style & GUI_MAXIMIZE ) {
        if( GUIIsMDIChildWindow( wnd ) ) {
            GUIMDIMaximize( TRUE, GUIGetFront() );
        } else {
            _wpi_maximizewindow( GUIGetParentFrameHWND( wnd ) );
        }
    }
}

void GUIHideWindow( gui_window *wnd )
{
    _wpi_showwindow( GUIGetParentFrameHWND( wnd ), SW_HIDE );
}

bool GUIIsWindowVisible( gui_window *wnd )
{
    HWND        hwnd;

    hwnd = GUIGetParentFrameHWND( wnd );
    if( hwnd != NULLHANDLE ) {
        if( IsWindowVisible( hwnd ) ) {
            return( TRUE );
        }
    }
    return( FALSE );
}

void GUIRestoreWindow( gui_window *wnd )
{
    if( GUIIsMDIChildWindow( wnd ) && GUIMDIMaximized( wnd ) ) {
        GUIMDIMaximize( FALSE, GUIGetFront() );
    } else {
        _wpi_restorewindow( GUIGetParentFrameHWND( wnd ) );
    }
}

bool GUIIsMaximized( gui_window *wnd )
{
    bool        maximized;

    if( GUIMDI ) {
        maximized = GUIMDIMaximized( wnd );
    } else {
        maximized = _wpi_iszoomed( GUIGetParentFrameHWND( wnd ) );
    }
    return( maximized );
}

bool GUIIsMinimized( gui_window *wnd )
{
    return( _wpi_isiconic( GUIGetParentFrameHWND( wnd ) ) );
}