void redraw() {
if ((OS.GTK_WIDGET_FLAGS(parent.handle) & OS.GTK_REALIZED) != 0) {
int /*long*/ parentHandle = parent.handle;
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
GdkRectangle rect = new GdkRectangle();
OS.gtk_tree_view_get_cell_area(parentHandle, path, 0, rect);
OS.gtk_tree_path_free(path);
int /*long*/ window = OS.gtk_tree_view_get_bin_window(parentHandle);
rect.x = 0;
int[] w = new int[1], h = new int[1];
OS.gdk_drawable_get_size(window, w, h);
rect.width = w[0];
OS.gdk_window_invalidate_rect(window, rect, false);
}
}
/**
* 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 receiver's size and location relative to its parent at a
* column in the table.
*
* @param index the index that specifies the column
* @return the receiver's bounding column 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 getBounds(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*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
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;
if (index == 0 && (parent.style & SWT.CHECK) != 0) {
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, parent.checkRenderer, x, w);
rect.x += x[0] + w[0];
rect.width -= x[0] + w[0];
} else {
int[] w = new int[1];
OS.gtk_cell_renderer_get_size(
parent.checkRenderer, parentHandle, null, null, null, w, null);
int[] buffer = new int[1];
OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
rect.x += w[0] + buffer[0];
rect.width -= w[0] + buffer[0];
}
}
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);
}
Image getDragSourceImage(DragSourceEvent event) {
if (dragSourceImage != null) dragSourceImage.dispose();
dragSourceImage = null;
Table table = (Table) control;
if (OS.GTK_VERSION < OS.VERSION(2, 2, 0)) return null;
// TEMPORARY CODE
if (table.isListening(SWT.EraseItem) || table.isListening(SWT.PaintItem)) return null;
/*
* Bug in GTK. gtk_tree_selection_get_selected_rows() segmentation faults
* in versions smaller than 2.2.4 if the model is NULL. The fix is
* to give a valid pointer instead.
*/
long /*int*/ handle = table.handle;
long /*int*/ selection = OS.gtk_tree_view_get_selection(handle);
long /*int*/[] model = OS.GTK_VERSION < OS.VERSION(2, 2, 4) ? new long /*int*/[1] : null;
long /*int*/ list = OS.gtk_tree_selection_get_selected_rows(selection, model);
if (list == 0) return null;
int count = Math.min(10, OS.g_list_length(list));
Display display = table.getDisplay();
if (count == 1) {
long /*int*/ path = OS.g_list_nth_data(list, 0);
long /*int*/ pixmap = OS.gtk_tree_view_create_row_drag_icon(handle, path);
dragSourceImage = Image.gtk_new(display, SWT.ICON, pixmap, 0);
} else {
int width = 0, height = 0;
int[] w = new int[1], h = new int[1];
int[] yy = new int[count], hh = new int[count];
long /*int*/[] pixmaps = new long /*int*/[count];
GdkRectangle rect = new GdkRectangle();
for (int i = 0; i < count; i++) {
long /*int*/ path = OS.g_list_nth_data(list, i);
OS.gtk_tree_view_get_cell_area(handle, path, 0, rect);
pixmaps[i] = OS.gtk_tree_view_create_row_drag_icon(handle, path);
OS.gdk_drawable_get_size(pixmaps[i], w, h);
width = Math.max(width, w[0]);
height = rect.y + h[0] - yy[0];
yy[i] = rect.y;
hh[i] = h[0];
}
long /*int*/ source = OS.gdk_pixmap_new(OS.GDK_ROOT_PARENT(), width, height, -1);
long /*int*/ gcSource = OS.gdk_gc_new(source);
long /*int*/ mask = OS.gdk_pixmap_new(OS.GDK_ROOT_PARENT(), width, height, 1);
long /*int*/ gcMask = OS.gdk_gc_new(mask);
GdkColor color = new GdkColor();
color.pixel = 0;
OS.gdk_gc_set_foreground(gcMask, color);
OS.gdk_draw_rectangle(mask, gcMask, 1, 0, 0, width, height);
color.pixel = 1;
OS.gdk_gc_set_foreground(gcMask, color);
for (int i = 0; i < count; i++) {
OS.gdk_draw_drawable(source, gcSource, pixmaps[i], 0, 0, 0, yy[i] - yy[0], -1, -1);
OS.gdk_draw_rectangle(mask, gcMask, 1, 0, yy[i] - yy[0], width, hh[i]);
OS.g_object_unref(pixmaps[i]);
}
OS.g_object_unref(gcSource);
OS.g_object_unref(gcMask);
dragSourceImage = Image.gtk_new(display, SWT.ICON, source, mask);
}
OS.g_list_free(list);
return dragSourceImage;
}
/**
* 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);
}
