/**
* Sets the receiver's hot image to the argument, which may be null indicating that no hot image
* should be displayed.
*
* <p>The hot image is displayed when the mouse enters the receiver.
*
* @param image the hot image to display on the receiver (may be null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image 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 setHotImage(Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
hotImage = image;
if ((parent.style & SWT.FLAT) != 0) redraw();
}
public void setImage(Image image) {
checkWidget();
if ((style & SWT.SEPARATOR) != 0) return;
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
super.setImage(image);
updateImages(getEnabled() && parent.getEnabled());
}
/**
* Sets the receiver's disabled image to the argument, which may be null indicating that no
* disabled image should be displayed.
*
* <p>The disabled image is displayed when the receiver is disabled.
*
* @param image the disabled image to display on the receiver (may be null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image 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 setDisabledImage(Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
disabledImage = image;
if (!getEnabled()) redraw();
}
public void setImage(Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
super.setImage(image);
parent.relayout();
redraw();
}
/**
* Sets the receiver's image at a column.
*
* @param index the column index
* @param image the new image
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image 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 setImage(int index, Image image) {
checkWidget();
if (image != null && image.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
if (image != null && image.type == SWT.ICON) {
if (image.equals(_getImage(index))) return;
}
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return;
int /*long*/ pixbuf = 0;
if (image != null) {
ImageList imageList = parent.imageList;
if (imageList == null) imageList = parent.imageList = new ImageList();
int imageIndex = imageList.indexOf(image);
if (imageIndex == -1) imageIndex = imageList.add(image);
pixbuf = imageList.getPixbuf(imageIndex);
}
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_PIXBUF, pixbuf, -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();
}
}
/*
* Bug in GTK. When in fixed height mode, GTK does not recalculate the cell renderer width
* when the image is changed in the model. The fix is to force it to recalculate the width if
* more space is required.
*/
if ((parent.style & SWT.VIRTUAL) != 0 && parent.currentItem == null) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2)) {
if (image != null) {
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = OS.gtk_tree_view_get_column(parentHandle, index);
int[] w = new int[1];
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
OS.gtk_tree_view_column_cell_get_position(column, pixbufRenderer, null, w);
if (w[0] < image.getBounds().width) {
/*
* There is no direct way to clear the cell renderer width so we
* are relying on the fact that it is done as part of modifying
* the style.
*/
int /*long*/ style = OS.gtk_widget_get_modifier_style(parentHandle);
parent.modifyStyle(parentHandle, style);
}
}
}
}
cached = true;
}
public void setImage(Image image) {
checkWidget();
if (image != null && image.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
super.setImage(image);
NSTableHeaderView headerView = ((NSOutlineView) parent.view).headerView();
if (headerView == null) return;
int index = parent.indexOf(nsColumn);
NSRect rect = headerView.headerRectOfColumn(index);
headerView.setNeedsDisplayInRect(rect);
}
/**
* Constructs a new Pattern given an image. Drawing with the resulting pattern will cause the
* image to be tiled over the resulting area.
*
* <p>This operation requires the operating system's advanced graphics subsystem which may not be
* available on some platforms.
*
* @param device the device on which to allocate the pattern
* @param image the image that the pattern will draw
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the device is null and there is no current device, or the
* image is null
* <li>ERROR_INVALID_ARGUMENT - if the image has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available
* </ul>
*
* @exception SWTError
* <ul>
* <li>ERROR_NO_HANDLES if a handle for the pattern could not be obtained
* </ul>
*
* @see #dispose()
*/
public Pattern(Device device, Image image) {
super(device);
if (image == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this.device.checkCairo();
image.createSurface();
handle = Cairo.cairo_pattern_create_for_surface(image.surface);
if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES);
Cairo.cairo_pattern_set_extend(handle, Cairo.CAIRO_EXTEND_REPEAT);
surface = image.surface;
init();
}
/**
* Sets the image that the receiver will use to paint the caret to the image specified by the
* argument, or to the default which is a filled rectangle if the argument is null
*
* @param image the new image (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image 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 setImage(Image image) {
checkWidget();
if (image != null && image.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
this.image = image;
if (image != null) {
OS.Image_Source(imageHandle, image.handle);
OS.UIElement_Visibility(imageHandle, OS.Visibility_Visible);
} else {
OS.Image_Source(imageHandle, 0);
OS.UIElement_Visibility(imageHandle, OS.Visibility_Collapsed);
}
resize(width, height);
}
/**
* Sets the receiver's image to the argument, which may be <code>null</code> indicating that no
* image should be displayed.
*
* <p>Note that a Button can display an image and text simultaneously on Windows (starting with
* XP), GTK+ and OSX. On other platforms, a Button that has an image and text set into it will
* display the image or text that was set most recently.
*
* @param image the image to display on the receiver (may be <code>null</code>)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image 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 setImage(Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.ARROW) != 0) return;
this.image = image;
OS.Image_Source(imageHandle, image != null ? image.handle : 0);
OS.UIElement_Visibility(
imageHandle, image != null ? OS.Visibility_Visible : OS.Visibility_Collapsed);
OS.UIElement_Visibility(
textHandle,
image != null && text.length() == 0 ? OS.Visibility_Collapsed : OS.Visibility_Visible);
int spacing = image != null && text.length() != 0 ? 3 : 0;
int margin = OS.gcnew_Thickness(0, 0, spacing, 0);
if (margin == 0) error(SWT.ERROR_NO_HANDLES);
OS.FrameworkElement_Margin(imageHandle, margin);
OS.GCHandle_Free(margin);
}
public void setImage(Image image) {
super.setImage(image);
if (imageList != null) imageList.dispose();
imageList = null;
if (image != null) {
if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
imageList = new ImageList();
int imageIndex = imageList.add(image);
long /*int*/ pixbuf = imageList.getPixbuf(imageIndex);
OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf);
if (text.length() == 0) OS.gtk_widget_hide(labelHandle);
OS.gtk_widget_show(imageHandle);
} else {
OS.gtk_image_set_from_pixbuf(imageHandle, 0);
OS.gtk_widget_show(labelHandle);
OS.gtk_widget_hide(imageHandle);
}
}
