/**
* Sets the receiver's text. The string may include the mnemonic character.
*
* <p>Mnemonics are indicated by an '&' that causes the next character to be the mnemonic.
* When the user presses a key sequence that matches the mnemonic, a selection event occurs. On
* most platforms, the mnemonic appears underlined but may be emphasised in a platform specific
* manner. The mnemonic indicator character '&' can be escaped by doubling it in the string,
* causing a single '&' to be displayed.
*
* @param string the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setText(String string) {
checkWidget();
if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
if (string.equals(text)) return;
super.setText(string);
long /*int*/ hwnd = parent.handle;
TBBUTTONINFO info = new TBBUTTONINFO();
info.cbSize = TBBUTTONINFO.sizeof;
info.dwMask = OS.TBIF_TEXT | OS.TBIF_STYLE;
info.fsStyle = (byte) (widgetStyle() | OS.BTNS_AUTOSIZE);
long /*int*/ hHeap = OS.GetProcessHeap(), pszText = 0;
if (string.length() != 0) {
info.fsStyle |= OS.BTNS_SHOWTEXT;
TCHAR buffer = new TCHAR(parent.getCodePage(), string, true);
int byteCount = buffer.length() * TCHAR.sizeof;
pszText = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
OS.MoveMemory(pszText, buffer, byteCount);
info.pszText = pszText;
}
OS.SendMessage(hwnd, OS.TB_SETBUTTONINFO, id, info);
if (pszText != 0) OS.HeapFree(hHeap, 0, pszText);
/*
* Bug in Windows. For some reason, when the font is set
* before any tool item has text, the tool items resize to
* a very small size. Also, a tool item will only show text
* when text has already been set on one item and then a new
* item is created. The fix is to use WM_SETFONT to force
* the tool bar to redraw and layout.
*/
parent.setDropDownItems(false);
long /*int*/ hFont = OS.SendMessage(hwnd, OS.WM_GETFONT, 0, 0);
OS.SendMessage(hwnd, OS.WM_SETFONT, hFont, 0);
parent.setDropDownItems(true);
parent.layoutItems();
}
/**
* Sets the receiver's text. The string may include the mnemonic character and accelerator text.
*
* <p>Mnemonics are indicated by an '&' that causes the next character to be the mnemonic.
* When the user presses a key sequence that matches the mnemonic, a selection event occurs. On
* most platforms, the mnemonic appears underlined but may be emphasised in a platform specific
* manner. The mnemonic indicator character '&' can be escaped by doubling it in the string,
* causing a single '&' to be displayed.
*
* <p>Accelerator text is indicated by the '\t' character. On platforms that support accelerator
* text, the text that follows the '\t' character is displayed to the user, typically indicating
* the key stroke that will cause the item to become selected. On most platforms, the accelerator
* text appears right aligned in the menu. Setting the accelerator text does not install the
* accelerator key sequence. The accelerator key sequence is installed using #setAccelerator.
*
* @param string the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @see #setAccelerator
*/
public void setText(String string) {
checkWidget();
if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
if (text.equals(string)) return;
super.setText(string);
long /*int*/ hHeap = OS.GetProcessHeap();
long /*int*/ pszText = 0;
boolean success = false;
if ((OS.IsPPC || OS.IsSP) && parent.hwndCB != 0) {
/*
* Bug in WinCE PPC. Tool items on the menubar don't resize
* correctly when the character '&' is used (even when it
* is a sequence '&&'). The fix is to remove all '&' from
* the string.
*/
if (string.indexOf('&') != -1) {
int length = string.length();
char[] text = new char[length];
string.getChars(0, length, text, 0);
int i = 0, j = 0;
for (i = 0; i < length; i++) {
if (text[i] != '&') text[j++] = text[i];
}
if (j < i) string = new String(text, 0, j);
}
/* Use the character encoding for the default locale */
TCHAR buffer = new TCHAR(0, string, true);
int byteCount = buffer.length() * TCHAR.sizeof;
pszText = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
OS.MoveMemory(pszText, buffer, byteCount);
long /*int*/ hwndCB = parent.hwndCB;
TBBUTTONINFO info2 = new TBBUTTONINFO();
info2.cbSize = TBBUTTONINFO.sizeof;
info2.dwMask = OS.TBIF_TEXT;
info2.pszText = pszText;
success = OS.SendMessage(hwndCB, OS.TB_SETBUTTONINFO, id, info2) != 0;
} else {
MENUITEMINFO info = new MENUITEMINFO();
info.cbSize = MENUITEMINFO.sizeof;
long /*int*/ hMenu = parent.handle;
/* Use the character encoding for the default locale */
TCHAR buffer = new TCHAR(0, string, true);
int byteCount = buffer.length() * TCHAR.sizeof;
pszText = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
OS.MoveMemory(pszText, buffer, byteCount);
/*
* Bug in Windows 2000. For some reason, when MIIM_TYPE is set
* on a menu item that also has MIIM_BITMAP, the MIIM_TYPE clears
* the MIIM_BITMAP style. The fix is to use MIIM_STRING.
*/
if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION(4, 10)) {
info.fMask = OS.MIIM_STRING;
} else {
info.fMask = OS.MIIM_TYPE;
info.fType = widgetStyle();
}
info.dwTypeData = pszText;
success = OS.SetMenuItemInfo(hMenu, id, false, info);
}
if (pszText != 0) OS.HeapFree(hHeap, 0, pszText);
if (!success) {
int error = OS.GetLastError();
SWT.error(
SWT.ERROR_CANNOT_SET_TEXT,
null,
" [GetLastError=0x" + Integer.toHexString(error) + "]"); // $NON-NLS-1$ $NON-NLS-2$
}
parent.redraw();
}