filedlg31.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*
 * COMMDLG - File Dialogs
 *
 * Copyright 1994 Martin Ayotte
 * Copyright 1996 Albrecht Kleine
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
#include <ctype.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "winreg.h"
#include "winternl.h"
#include "commdlg.h"
#include "shlwapi.h"

WINE_DEFAULT_DEBUG_CHANNEL(commdlg);

#include "cdlg.h"
#include "filedlg31.h"

#define BUFFILE 512
#define BUFFILEALLOC 512 * sizeof(WCHAR)

static const WCHAR FILE_star[] = {'*','.','*', 0};
static const WCHAR FILE_bslash[] = {'\\', 0};
static const WCHAR FILE_specc[] = {'%','c',':', 0};
static const int fldrHeight = 16;
static const int fldrWidth = 20;

static HICON hFolder = 0;
static HICON hFolder2 = 0;
static HICON hFloppy = 0;
static HICON hHDisk = 0;
static HICON hCDRom = 0;
static HICON hNet = 0;

/***********************************************************************
 * 				FD31_Init			[internal]
 */
BOOL FD31_Init(void)
{
    static BOOL initialized = 0;

    if (!initialized) {
        hFolder  = LoadImageA( COMDLG32_hInstance, "FOLDER", IMAGE_ICON, 16, 16, LR_SHARED );
        hFolder2 = LoadImageA( COMDLG32_hInstance, "FOLDER2", IMAGE_ICON, 16, 16, LR_SHARED );
        hFloppy  = LoadImageA( COMDLG32_hInstance, "FLOPPY", IMAGE_ICON, 16, 16, LR_SHARED );
        hHDisk   = LoadImageA( COMDLG32_hInstance, "HDISK", IMAGE_ICON, 16, 16, LR_SHARED );
        hCDRom   = LoadImageA( COMDLG32_hInstance, "CDROM", IMAGE_ICON, 16, 16, LR_SHARED );
        hNet     = LoadImageA( COMDLG32_hInstance, "NETWORK", IMAGE_ICON, 16, 16, LR_SHARED );
	if (hFolder == 0 || hFolder2 == 0 || hFloppy == 0 ||
	    hHDisk == 0 || hCDRom == 0 || hNet == 0)
	{
	    ERR("Error loading icons !\n");
	    return FALSE;
	}
	initialized = TRUE;
    }
    return TRUE;
}

/***********************************************************************
 *                              FD31_StripEditControl        [internal]
 * Strip pathnames off the contents of the edit control.
 */
static void FD31_StripEditControl(HWND hwnd)
{
    WCHAR temp[BUFFILE], *cp;

    GetDlgItemTextW( hwnd, edt1, temp, sizeof(temp)/sizeof(WCHAR));
    cp = strrchrW(temp, '\\');
    if (cp != NULL) {
	strcpyW(temp, cp+1);
    }
    cp = strrchrW(temp, ':');
    if (cp != NULL) {
	strcpyW(temp, cp+1);
    }
    /* FIXME: shouldn't we do something with the result here? ;-) */
}

/***********************************************************************
 *                              FD31_CallWindowProc          [internal]
 *
 *      Call the appropriate hook
 */
BOOL FD31_CallWindowProc(const FD31_DATA *lfs, UINT wMsg, WPARAM wParam,
                         LPARAM lParam)
{
    return lfs->callbacks->CWP(lfs, wMsg, wParam, lParam);
}

/***********************************************************************
 * 				FD31_ScanDir                 [internal]
 */
static BOOL FD31_ScanDir(HWND hWnd, LPCWSTR newPath)
{
    WCHAR		buffer[BUFFILE];
    HWND 		hdlg, hdlgDir;
    LRESULT             lRet = TRUE;
    HCURSOR             hCursorWait, oldCursor;

    TRACE("Trying to change to %s\n", debugstr_w(newPath));
    if  ( newPath[0] && !SetCurrentDirectoryW( newPath ))
        return FALSE;
    lstrcpynW(buffer, newPath, sizeof(buffer)/sizeof(WCHAR));

    /* get the list of spec files */
    GetDlgItemTextW(hWnd, edt1, buffer, sizeof(buffer)/sizeof(WCHAR));

    hCursorWait = LoadCursorA(0, (LPSTR)IDC_WAIT);
    oldCursor = SetCursor(hCursorWait);

    /* list of files */
    if ((hdlg = GetDlgItem(hWnd, lst1)) != 0) {
        WCHAR*	scptr; /* ptr on semi-colon */
	WCHAR*	filter = buffer;

	TRACE("Using filter %s\n", debugstr_w(filter));
	SendMessageW(hdlg, LB_RESETCONTENT, 0, 0);
	while (filter) {
	    scptr = strchrW(filter, ';');
	    if (scptr)	*scptr = 0;
            while (*filter == ' ') filter++;
	    TRACE("Using file spec %s\n", debugstr_w(filter));
	    if (SendMessageW(hdlg, LB_DIR, 0, (LPARAM)filter) == LB_ERR)
	        return FALSE;
	    if (scptr) *scptr = ';';
	        filter = (scptr) ? (scptr + 1) : 0;
	 }
    }

    /* list of directories */
    strcpyW(buffer, FILE_star);

    if ((hdlgDir = GetDlgItem(hWnd, lst2)) != 0) {
        lRet = DlgDirListW(hWnd, buffer, lst2, stc1, DDL_EXCLUSIVE | DDL_DIRECTORY);
    }
    SetCursor(oldCursor);
    return lRet;
}

/***********************************************************************
 * 				FD31_GetFileType		[internal]
 */

static LPCWSTR FD31_GetFileType(LPCWSTR cfptr, LPCWSTR fptr, const WORD index)
{
  int n, i;
  i = 0;
  if (cfptr)
    for ( ;(n = lstrlenW(cfptr)) != 0; i++)
      {
	cfptr += n + 1;
	if (i == index)
	  return cfptr;
	cfptr += lstrlenW(cfptr) + 1;
      }
  if (fptr)
    for ( ;(n = lstrlenW(fptr)) != 0; i++)
      {
	fptr += n + 1;
	if (i == index)
	  return fptr;
	fptr += lstrlenW(fptr) + 1;
    }
  return FILE_star; /* FIXME */
}

/***********************************************************************
 *                              FD31_WMDrawItem              [internal]
 */
LONG FD31_WMDrawItem(HWND hWnd, WPARAM wParam, LPARAM lParam,
       int savedlg, const DRAWITEMSTRUCT *lpdis)
{
    WCHAR *str;
    HICON hIcon;
    COLORREF oldText = 0, oldBk = 0;

    if (lpdis->CtlType == ODT_LISTBOX && lpdis->CtlID == lst1)
    {
        if (!(str = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC))) return FALSE;
	SendMessageW(lpdis->hwndItem, LB_GETTEXT, lpdis->itemID,
                      (LPARAM)str);

	if ((lpdis->itemState & ODS_SELECTED) && !savedlg)
	{
	    oldBk = SetBkColor( lpdis->hDC, GetSysColor( COLOR_HIGHLIGHT ) );
	    oldText = SetTextColor( lpdis->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
	}
	if (savedlg)
	    SetTextColor(lpdis->hDC,GetSysColor(COLOR_GRAYTEXT) );

	ExtTextOutW(lpdis->hDC, lpdis->rcItem.left + 1,
                  lpdis->rcItem.top + 1, ETO_OPAQUE | ETO_CLIPPED,
                  &(lpdis->rcItem), str, lstrlenW(str), NULL);

	if (lpdis->itemState & ODS_SELECTED)
	    DrawFocusRect( lpdis->hDC, &(lpdis->rcItem) );

	if ((lpdis->itemState & ODS_SELECTED) && !savedlg)
	{
	    SetBkColor( lpdis->hDC, oldBk );
	    SetTextColor( lpdis->hDC, oldText );
	}
        HeapFree(GetProcessHeap(), 0, str);
	return TRUE;
    }

    if (lpdis->CtlType == ODT_LISTBOX && lpdis->CtlID == lst2)
    {
        if (!(str = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC)))
            return FALSE;
	SendMessageW(lpdis->hwndItem, LB_GETTEXT, lpdis->itemID,
                      (LPARAM)str);

	if (lpdis->itemState & ODS_SELECTED)
	{
	    oldBk = SetBkColor( lpdis->hDC, GetSysColor( COLOR_HIGHLIGHT ) );
	    oldText = SetTextColor( lpdis->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
	}
	ExtTextOutW(lpdis->hDC, lpdis->rcItem.left + fldrWidth,
                  lpdis->rcItem.top + 1, ETO_OPAQUE | ETO_CLIPPED,
                  &(lpdis->rcItem), str, lstrlenW(str), NULL);

	if (lpdis->itemState & ODS_SELECTED)
	    DrawFocusRect( lpdis->hDC, &(lpdis->rcItem) );

	if (lpdis->itemState & ODS_SELECTED)
	{
	    SetBkColor( lpdis->hDC, oldBk );
	    SetTextColor( lpdis->hDC, oldText );
	}
	DrawIcon(lpdis->hDC, lpdis->rcItem.left, lpdis->rcItem.top, hFolder);
        HeapFree(GetProcessHeap(), 0, str);
	return TRUE;
    }
    if (lpdis->CtlType == ODT_COMBOBOX && lpdis->CtlID == cmb2)
    {
        char root[] = "a:";
        if (!(str = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC)))
            return FALSE;
	SendMessageW(lpdis->hwndItem, CB_GETLBTEXT, lpdis->itemID,
                      (LPARAM)str);
        root[0] += str[2] - 'a';
        switch(GetDriveTypeA(root))
        {
        case DRIVE_REMOVABLE: hIcon = hFloppy; break;
        case DRIVE_CDROM:     hIcon = hCDRom; break;
        case DRIVE_REMOTE:    hIcon = hNet; break;
        case DRIVE_FIXED:
        default:           hIcon = hHDisk; break;
        }
	if (lpdis->itemState & ODS_SELECTED)
	{
	    oldBk = SetBkColor( lpdis->hDC, GetSysColor( COLOR_HIGHLIGHT ) );
	    oldText = SetTextColor( lpdis->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
	}
	ExtTextOutW(lpdis->hDC, lpdis->rcItem.left + fldrWidth,
                  lpdis->rcItem.top + 1, ETO_OPAQUE | ETO_CLIPPED,
                  &(lpdis->rcItem), str, lstrlenW(str), NULL);

	if (lpdis->itemState & ODS_SELECTED)
	{
	    SetBkColor( lpdis->hDC, oldBk );
	    SetTextColor( lpdis->hDC, oldText );
	}
	DrawIcon(lpdis->hDC, lpdis->rcItem.left, lpdis->rcItem.top, hIcon);
        HeapFree(GetProcessHeap(), 0, str);
	return TRUE;
    }
    return FALSE;
}

/***********************************************************************
 *                              FD31_UpdateResult            [internal]
 *      update the displayed file name (with path)
 */
static void FD31_UpdateResult(const FD31_DATA *lfs, const WCHAR *tmpstr)
{
    int lenstr2;
    LPOPENFILENAMEW ofnW = lfs->ofnW;
    WCHAR tmpstr2[BUFFILE];
    WCHAR *p;

    TRACE("%s\n", debugstr_w(tmpstr));
    if(ofnW->Flags & OFN_NOVALIDATE)
        tmpstr2[0] = '\0';