/**
* 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;
}
}
}
}
/**
* 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;
}
/**
* Returns a rectangle describing the size and location relative to its parent of an image at a
* column in the table. An empty rectangle is returned if index exceeds the index of the table's
* last column.
*
* @param index the index that specifies the column
* @return the receiver's bounding image rectangle
* @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 Rectangle getImageBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
if (pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);
GdkRectangle rect = new GdkRectangle();
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
/*
* The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn
* by the cell renderer. If there is no image in the cell, the width is zero. If the table contains
* images of varying widths, gtk_cell_renderer_get_size() will return the width of the image,
* not the width of the area in which the image is drawn.
* New API was added in GTK 2.1.3 for determining the full width of the renderer area.
* For earlier versions of GTK, the result is only correct if all rows have images of the same
* width.
*/
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
int[] x = new int[1], w = new int[1];
OS.gtk_tree_view_column_cell_get_position(column, pixbufRenderer, x, w);
rect.x += x[0];
rect.width = w[0];
} else {
int[] w = new int[1];
OS.gtk_tree_view_column_cell_set_cell_data(column, parent.modelHandle, handle, false, false);
OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
rect.width = w[0];
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}
/**
* Returns a rectangle describing the size and location relative to its parent of the text at a
* column in the table. An empty rectangle is returned if index exceeds the index of the table's
* last column.
*
* @param index the index that specifies the column
* @return the receiver's bounding text rectangle
* @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 3.3
*/
public Rectangle getTextBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return new Rectangle(0, 0, 0, 0);
// TODO fully test on early and later versions of GTK
// shifted a bit too far right on later versions of GTK - however, old Tree also had this
// problem
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ textRenderer = parent.getTextRenderer(column);
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
if (textRenderer == 0 || pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
boolean isExpander = OS.gtk_tree_model_iter_n_children(parent.modelHandle, handle) > 0;
boolean isExpanded = OS.gtk_tree_view_row_expanded(parentHandle, path);
OS.gtk_tree_view_column_cell_set_cell_data(
column, parent.modelHandle, handle, isExpander, isExpanded);
GdkRectangle rect = new GdkRectangle();
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
int right = rect.x + rect.width;
int[] x = new int[1], w = new int[1];
parent.ignoreSize = true;
OS.gtk_cell_renderer_get_size(textRenderer, parentHandle, null, null, null, w, null);
parent.ignoreSize = false;
int[] buffer = new int[1];
if (OS.gtk_tree_view_get_expander_column(parentHandle) == column) {
OS.gtk_widget_style_get(parentHandle, OS.expander_size, buffer, 0);
rect.x += buffer[0] + TreeItem.EXPANDER_EXTRA_PADDING;
}
OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
int horizontalSeparator = buffer[0];
rect.x += horizontalSeparator;
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
OS.gtk_tree_view_column_cell_get_position(column, textRenderer, x, null);
rect.x += x[0];
} else {
if ((parent.style & SWT.CHECK) != 0) {
OS.gtk_cell_renderer_get_size(
parent.checkRenderer, parentHandle, null, null, null, w, null);
rect.x += w[0] + horizontalSeparator;
}
OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
rect.x += w[0] + horizontalSeparator;
}
if (parent.columnCount > 0) {
if (rect.x + rect.width > right) {
rect.width = Math.max(0, right - rect.x);
}
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}