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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <windows.h>
#include <windowsx.h>
#include "plugin.h"
// open the registry, create if necessary
HKEY openRegistry()
{
HKEY phkResult;
if(RegCreateKey(HKEY_CURRENT_USER, REGISTRY_PLACE, &phkResult) != ERROR_SUCCESS)
MessageBox(0, "Error creating Default Plugin registry key", "Default Plugin", MB_OK);
return phkResult;
}
// return TRUE if we've never seen this MIME type before
BOOL IsNewMimeType(LPSTR mime)
{
HKEY hkey = openRegistry();
DWORD dwType, keysize = 512;
char keybuf[512];
if(RegQueryValueEx(hkey, mime, 0, &dwType, (LPBYTE) &keybuf, &keysize) == ERROR_SUCCESS)
{
// key exists, must have already been here...
return FALSE;
}
else
{
if(RegSetValueEx(hkey, mime, 0, REG_SZ, (LPBYTE) "(none)", 7) != ERROR_SUCCESS)
MessageBox(0, "Error adding MIME type value", "Default Plugin", MB_OK);
return TRUE;
}
}
// string length in pixels for the specific window (selected font)
static int getWindowStringLength(HWND hWnd, LPSTR lpsz)
{
SIZE sz;
HDC hDC = GetDC(hWnd);
HFONT hWindowFont = GetWindowFont(hWnd);
HFONT hFontOld = SelectFont(hDC, hWindowFont);
GetTextExtentPoint32(hDC, lpsz, lstrlen(lpsz), &sz);
POINT pt;
pt.x = sz.cx;
pt.y = sz.cy;
LPtoDP(hDC, &pt, 1);
SelectFont(hDC, hFontOld);
ReleaseDC(hWnd, hDC);
return (int)pt.x;
}
/****************************************************************/
/* */
/* void SetDlgItemTextWrapped(HWND hWnd, int iID, LPSTR szText) */
/* */
/* helper to wrap long lines in a static control, which do not */
/* wrap automatically if they do not have space characters */
/* */
/****************************************************************/
void SetDlgItemTextWrapped(HWND hWnd, int iID, LPSTR szText)
{
HWND hWndStatic = GetDlgItem(hWnd, iID);
if((szText == NULL) || (lstrlen(szText) == 0))
{
SetDlgItemText(hWnd, iID, "");
return;
}
RECT rc;
GetClientRect(hWndStatic, &rc);
int iStaticLength = rc.right - rc.left;
int iStringLength = getWindowStringLength(hWndStatic, szText);
if(iStringLength <= iStaticLength)
{
SetDlgItemText(hWnd, iID, szText);
return;
}
int iBreaks = iStringLength/iStaticLength;
if(iBreaks <= 0)
return;
char * pBuf = new char[iStringLength + iBreaks + 1];
if(pBuf == NULL)
return;
lstrcpy(pBuf, "");
int iStart = 0;
int iLines = 0;
for(int i = 0; i < iStringLength; i++)
{
char * sz = &szText[iStart];
int iIndex = i - iStart;
char ch = sz[iIndex + 1];
sz[iIndex + 1] = '\0';
int iLength = getWindowStringLength(hWndStatic, sz);
if(iLength < iStaticLength)
{
sz[iIndex + 1] = ch;
if(iLines == iBreaks)
{
lstrcat(pBuf, sz);
break;
}
continue;
}
sz[iIndex + 1] = ch; // restore zeroed element
i--; // go one step back
ch = sz[iIndex];
sz[iIndex] = '\0'; // terminate string one char shorter
lstrcat(pBuf, sz); // append the string
lstrcat(pBuf, " "); // append space character for successful wrapping
iStart += lstrlen(sz);// shift new start position
sz[iIndex] = ch; // restore zeroed element
iLines++; // count lines
}
SetDlgItemText(hWnd, iID, pBuf);
delete [] pBuf;
}
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