/****************************************************************************
*
*                            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
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    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.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <windows.h>
#include <string.h>
#include <limits.h>
#include "wglbl.h"
#include "wstat.h"
#include "wmain.h"
#include "wmem.h"
#include "wmsg.h"
#include "wmsgfile.gh"
#include "whints.h"
#include "wlist.h"
#include "wtoolbar.h"

/****************************************************************************/
/* macro definitions                                                        */
/****************************************************************************/
#define OUTLINE_AMOUNT    4
#define TOOL_BORDER_X     1
#define TOOL_BORDER_Y     1

/****************************************************************************/
/* external function prototypes                                             */
/****************************************************************************/
extern BOOL WToolBarHook ( HWND, UINT, WPARAM, LPARAM );

/****************************************************************************/
/* type definitions                                                         */
/****************************************************************************/

/****************************************************************************/
/* static function prototypes                                               */
/****************************************************************************/
static WToolBar *WFindToolBar         ( HWND );
static WToolBar *WAllocToolBar        ( void );
static void      WAddToolBar          ( WToolBar * );
static void      WRemoveToolBar       ( WToolBar * );

/****************************************************************************/
/* static variables                                                         */
/****************************************************************************/
static LIST       *WToolBarList      = NULL;

WToolBar *WCreateToolBar ( WToolBarInfo *info, HWND parent )
{
    WToolBar  *tbar;
    int        i;
    HMENU      sys_menu;
    char        *text;

    if ( !info ) {
        return ( NULL );
    }

    tbar = WAllocToolBar ();
    if ( tbar == NULL ) {
        return ( NULL );
    }

    tbar->info   = info;
    tbar->parent = parent;
    tbar->tbar   = (toolbar) ToolBarInit ( parent );

    ToolBarDisplay ( tbar->tbar, &info->dinfo );

    for ( i = 0; i < info->num_items; i++ ) {
        ToolBarAddItem ( tbar->tbar, &info->items[i] );
    }

    tbar->win = ToolBarWindow ( tbar->tbar );

    if ( (info->dinfo.style & TOOLBAR_FLOAT_STYLE) == TOOLBAR_FLOAT_STYLE ) {
        sys_menu = GetSystemMenu ( tbar->win, FALSE );

        i = GetMenuItemCount ( sys_menu );
        for ( ; i>0; i-- ) {
            DeleteMenu ( sys_menu, i, MF_BYPOSITION );
        }
        text = WAllocRCString( W_SYSMENUMOVE );
        AppendMenu( sys_menu, MF_STRING , SC_MOVE,  (text) ? text : "Move" );
        if( text ) {
            WFreeRCString( text );
        }
        text = WAllocRCString( W_SYSMENUSIZE );
        AppendMenu( sys_menu, MF_STRING , SC_SIZE,  (text) ? text : "Size" );
        if( text ) {
            WFreeRCString( text );
        }
        text = WAllocRCString( W_SYSMENUHIDE );
        AppendMenu( sys_menu, MF_STRING , SC_CLOSE, (text) ? text : "Hide" );
        if( text ) {
            WFreeRCString( text );
        }
    }

    ShowWindow ( tbar->win, SW_SHOWNORMAL );

    UpdateWindow ( tbar->win );

    WAddToolBar ( tbar );

    return ( tbar );
}

BOOL WToolBarHook ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
    MINMAXINFO  *minmax;
    WToolBar  *tbar;
    int          bstate;
    Bool         ret;

    if ( !( tbar = WFindToolBar ( hwnd ) ) || ( tbar->win == NULL ) ) {
        return( FALSE );
    }

    ret = FALSE;

    switch( msg ) {

        case WM_USER:
            if ( lParam ) {
                WSetStatusText ( NULL, NULL, "" );
            } else {
                WDisplayHint ( NULL, wParam );
            }
            if ( lParam ) {
                bstate = BUTTON_UP;
            } else {
                bstate = BUTTON_DOWN;
            }
            WSetToolBarItemState ( tbar, wParam, bstate );
            break;

        case WM_SIZE:
            if ( ( wParam != SIZE_MAXIMIZED ) &&
                 ( wParam != SIZE_MINIMIZED ) ) {
                GetWindowRect ( hwnd, &tbar->last_pos );
            }
            break;

        case WM_MOVE:
            if ( !IsZoomed ( hwnd ) ) {
                GetWindowRect ( hwnd, &tbar->last_pos );
            }
            break;

        case WM_GETMINMAXINFO:
            minmax = (MINMAXINFO *) lParam;
            minmax->ptMinTrackSize.x =
                2 * GetSystemMetrics(SM_CXFRAME) +
                tbar->info->dinfo.border_size.x +
                tbar->info->dinfo.button_size.x - 1;
            minmax->ptMinTrackSize.y =
                2 * GetSystemMetrics(SM_CYFRAME) +
                tbar->info->dinfo.border_size.y +
                GetSystemMetrics(SM_CYCAPTION) +
                tbar->info->dinfo.button_size.y - 1;
            break;

        case WM_DESTROY:
            WCloseToolBar ( tbar );
            break;

    }

    return ( ret );
}

WToolBar *WFindToolBar ( HWND win )
{
    WToolBar *tbar;
    LIST       *tlist;

    for ( tlist = WToolBarList; tlist; tlist = ListNext ( tlist ) ) {
        tbar = ListElement ( tlist );
        if ( tbar->win == win ) {
            return ( tbar );
        }
    }

    return ( NULL );
}

Bool WCloseToolBar ( WToolBar *tbar )
{
    if ( tbar ) {
        tbar->win = (HWND) NULL;
        WRemoveToolBar ( tbar );
        WFreeToolBar ( tbar );
    }

    return( TRUE );
}

void WFreeToolBarInfo ( WToolBarInfo *info )
{
    if ( info ) {
        if ( info->items ) {
            WMemFree ( info->items );
        }
        if ( info->dinfo.background ) {
            DeleteObject ( info->dinfo.background );
        }
        WMemFree ( info );
    }
}

WToolBarInfo *WAllocToolBarInfo ( int num )
{
    WToolBarInfo *info;

    info = (WToolBarInfo *) WMemAlloc ( sizeof (WToolBarInfo) );

    if ( info ) {
        memset ( info, 0, sizeof ( WToolBarInfo ) );
        info->items = (TOOLITEMINFO *) WMemAlloc ( sizeof(TOOLITEMINFO) * num );
        if ( info->items ) {
            memset ( info->items, 0, sizeof(TOOLITEMINFO) * num );
            info->num_items = num;
        } else {
            WMemFree ( info );
            info = NULL;
        }
    }

    return ( info );
}

WToolBar *WAllocToolBar ( void )
{
    WToolBar *tbar;

    tbar = (WToolBar *) WMemAlloc ( sizeof ( WToolBar ) );
    if ( tbar ) {
        memset ( tbar, 0, sizeof ( WToolBar ) );
    }

    return ( tbar );
}

void WFreeToolBar ( WToolBar *tbar )
{
    if ( tbar ) {
        WMemFree ( tbar );
    }
}

void WAddToolBar ( WToolBar *tbar )
{
    WInsertObject ( &WToolBarList, (void *)tbar );
}

void WDestroyToolBar ( WToolBar *tbar )
{
    ToolBarDestroy ( tbar->tbar );
}

void WRemoveToolBar ( WToolBar *tbar )
{
    ListRemoveElt ( &WToolBarList, (void *)tbar );
}

void WShutdownToolBars ( void )
{
    WToolBar  *tbar;
    LIST      *tlist;

    tlist = WListCopy ( WToolBarList );
    for ( ; tlist; tlist = ListConsume ( tlist ) ) {
        tbar = ListElement ( tlist );
        ToolBarDestroy ( tbar->tbar );
    }
    ToolBarFini ( NULL );

    ListFree ( WToolBarList );
}

void WSetToolBarItemState ( WToolBar *tbar, UINT id, UINT state )
{
    if ( tbar /*&& ( ToolBarGetState ( tbar->tbar, id ) != state )*/ ) {
        ToolBarSetState ( tbar->tbar, id, state );
    }
}

