/**
* Sets the font that the receiver will use to paint textual information to the font specified by
* the argument, or to the default font for that kind of control if the argument is null.
*
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the font has been disposed
* </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 setFont(Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
this.font = font;
}
/**
* Sets the font that the receiver will use to paint textual information for the specified cell in
* this item to the font specified by the argument, or to the default font for that kind of
* control if the argument is null.
*
* @param index the column index
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </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>
*
* @since 3.0
*/
public void setFont(int index, Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return;
if (cellFont == null) {
if (font == null) return;
cellFont = new Font[count];
}
Font oldFont = cellFont[index];
if (oldFont == font) return;
cellFont[index] = font;
if (oldFont != null && oldFont.equals(font)) return;
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
int /*long*/ fontHandle = font != null ? font.handle : 0;
OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_FONT, fontHandle, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
if (font != null) {
boolean customDraw =
(parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns[index].customDraw;
if (!customDraw) {
if ((parent.style & SWT.VIRTUAL) == 0) {
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (parent.columnCount > 0) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return;
int /*long*/ textRenderer = parent.getTextRenderer(column);
int /*long*/ imageRenderer = parent.getPixbufRenderer(column);
OS.gtk_tree_view_column_set_cell_data_func(
column, textRenderer, display.cellDataProc, parentHandle, 0);
OS.gtk_tree_view_column_set_cell_data_func(
column, imageRenderer, display.cellDataProc, parentHandle, 0);
}
if (parent.columnCount == 0) {
parent.firstCustomDraw = true;
} else {
parent.columns[index].customDraw = true;
}
}
}
}
@Override
public void dispose() {
if (hintFont != null && !hintFont.isDisposed()) {
hintFont.dispose();
hintFont = null;
}
super.dispose();
}
/*
* @see org.eclipse.swt.events.DisposeListener#widgetDisposed(org.eclipse.swt.events.DisposeEvent)
*/
public void widgetDisposed(DisposeEvent event) {
if (fStatusTextFont != null && !fStatusTextFont.isDisposed()) fStatusTextFont.dispose();
fStatusTextFont = null;
if (fStatusTextForegroundColor != null && !fStatusTextForegroundColor.isDisposed())
fStatusTextForegroundColor.dispose();
fStatusTextForegroundColor = null;
fTextFont = null;
fShell = null;
fText = null;
}
/**
* Sets the font that the receiver will use to paint textual information for this item to the font
* specified by the argument, or to the default font for that kind of control if the argument is
* null.
*
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </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 setFont(final Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
if (!equals(this.font, font)) {
this.font = font;
markCached();
if (parent.getColumnCount() == 0) {
parent.updateScrollBars();
}
parent.redraw();
}
}
protected Font getFont(GC painter) {
if (this.font == null || this.font.isDisposed()) {
Font available = painter.getFont();
if (available == null || available.isDisposed()) {
available = getDisplay().getSystemFont();
}
FontData[] datas = available.getFontData();
if (datas.length > 0) {
this.font =
new Font(getDisplay(), datas[0].getName(), Math.min(7, datas[0].getHeight()), SWT.BOLD);
}
}
return this.font;
}
/**
* Sets the font that the receiver will use to paint textual information for the specified cell in
* this item to the font specified by the argument, or to the default font for that kind of
* control if the argument is null.
*
* @param index the column index
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </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 setFont(final int index, final Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (index >= 0 && index < count) {
ensureData(index, count);
if (!equals(font, data[index].font)) {
data[index].font = font;
markCached();
parent.redraw();
}
}
}
/**
* Test of the method <code>uninitialize()</code>.
*
* @throws Exception handled by JUnit
*/
public void testUninitialize() throws Exception {
final Color color = lnf.getColor(LnfKeyConstants.EMBEDDED_TITLEBAR_ACTIVE_FOREGROUND);
assertNotNull(color);
final Font font = lnf.getFont(LnfKeyConstants.EMBEDDED_TITLEBAR_FONT);
assertNotNull(font);
lnf.uninitialize();
assertFalse(font.isDisposed());
assertNull(lnf.getFont(LnfKeyConstants.EMBEDDED_TITLEBAR_FONT));
assertFalse(color.isDisposed());
assertNull(lnf.getColor(LnfKeyConstants.EMBEDDED_TITLEBAR_ACTIVE_FOREGROUND));
assertNotSame(
color,
lnf.getColor(LnfKeyConstants.EMBEDDED_TITLEBAR_ACTIVE_FOREGROUND)); // TODO Could be removed
}
private void checkFontSize(Button b) {
Font newFont = (Font) b.getData();
b.setFont(initialFont);
int charWidth = getFontWidth(b);
int stringWidth = b.getText().length() * charWidth;
FontData[] fontData = b.getFont().getFontData();
int Ssize = fontData[0].getHeight();
if (stringWidth > b.getBounds().width) {
while (stringWidth > b.getBounds().width && Ssize > 0) {
Ssize = fontData[0].getHeight() - 1;
fontData[0].setHeight(Ssize);
if (newFont != null && !newFont.isDisposed()) newFont.dispose();
newFont = new Font(Display.getCurrent(), fontData[0]);
b.setFont(newFont);
b.setData(newFont);
charWidth = getFontWidth(b);
stringWidth = b.getText().length() * charWidth;
}
}
}
/**
* Sets the font that the receiver will use to paint textual information for this item to the font
* specified by the argument, or to the default font for that kind of control if the argument is
* null.
*
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </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>
*
* @since 3.0
*/
public void setFont(Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
Font oldFont = this.font;
if (oldFont == font) return;
this.font = font;
if (oldFont != null && oldFont.equals(font)) return;
int /*long*/ fontHandle = font != null ? font.handle : 0;
OS.gtk_list_store_set(parent.modelHandle, handle, Table.FONT_COLUMN, fontHandle, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
}
private void disposeFont(Button b) {
Font f = (Font) b.getData();
if (f != null && !f.isDisposed()) f.dispose();
}
protected void handleClose() {
if (infoFont != null && !infoFont.isDisposed()) {
infoFont.dispose();
}
infoFont = null;
}
/**
* Gets the font.
*
* @return the font
*/
protected Font getFont() {
if (font.isDisposed()) {
font = DEFAULT_FONT;
}
return font;
}
