/**
* 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;
}
}
}
}
/**
* Adds to the receiver the pattern of glyphs generated by drawing the given string using the
* given font starting at the point (x, y).
*
* @param string the text to use
* @param x the x coordinate of the starting point
* @param y the y coordinate of the starting point
* @param font the font to use
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the font is null
* <li>ERROR_INVALID_ARGUMENT - if the font has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*/
public void addString(String string, float x, float y, Font font) {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
if (font == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (font.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
NSString str = NSString.stringWith(string);
NSTextStorage textStorage = ((NSTextStorage) new NSTextStorage().alloc());
textStorage.initWithString_(str);
NSLayoutManager layoutManager = (NSLayoutManager) new NSLayoutManager().alloc().init();
NSTextContainer textContainer = (NSTextContainer) new NSTextContainer().alloc();
NSSize size = new NSSize();
size.width = Float.MAX_VALUE;
size.height = Float.MAX_VALUE;
textContainer.initWithContainerSize(size);
textStorage.addLayoutManager(layoutManager);
layoutManager.addTextContainer(textContainer);
NSRange range = new NSRange();
range.length = str.length();
textStorage.beginEditing();
textStorage.addAttribute(OS.NSFontAttributeName(), font.handle, range);
textStorage.endEditing();
range = layoutManager.glyphRangeForTextContainer(textContainer);
if (range.length != 0) {
int glyphs = OS.malloc(4 * range.length * 2);
layoutManager.getGlyphs(glyphs, range);
NSBezierPath path = NSBezierPath.bezierPath();
NSPoint point = new NSPoint();
point.x = x;
point.y = y;
path.moveToPoint(point);
path.appendBezierPathWithGlyphs(glyphs, range.length, font.handle);
NSAffineTransform transform = NSAffineTransform.transform();
transform.scaleXBy(1, -1);
transform.translateXBy(0, -((2 * y) + textStorage.size().height));
path.transformUsingAffineTransform(transform);
OS.free(glyphs);
handle.appendBezierPath(path);
}
textContainer.release();
layoutManager.release();
textStorage.release();
}
/**
* 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;
}