/**
* Sets the receiver's text. The string may include the mnemonic character.
*
* <p>Mnemonics are indicated by an '&' that causes the next character to be the mnemonic.
* When the user presses a key sequence that matches the mnemonic, a selection event occurs. On
* most platforms, the mnemonic appears underlined but may be emphasised in a platform specific
* manner. The mnemonic indicator character '&' can be escaped by doubling it in the string,
* causing a single '&' to be displayed.
*
* @param string the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </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 setText(String string) {
checkWidget();
if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
if (string.equals(this.text)) return;
super.setText(string);
if (labelHandle == 0) return;
char[] chars = fixMnemonic(string);
byte[] buffer = Converter.wcsToMbcs(null, chars, true);
OS.gtk_label_set_text_with_mnemonic(labelHandle, buffer);
if ((style & SWT.DROP_DOWN) != 0 && OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
if (string.length() != 0) {
OS.gtk_widget_show(labelHandle);
} else {
OS.gtk_widget_hide(labelHandle);
}
}
/*
* If Text/Image of a tool-item changes, then it is
* required to reset the proxy menu. Otherwise, the
* old menuItem appears in the overflow menu.
*/
if ((style & SWT.DROP_DOWN) != 0) {
proxyMenuItem = 0;
proxyMenuItem = OS.gtk_tool_item_retrieve_proxy_menu_item(handle);
OS.g_signal_connect(
proxyMenuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle);
}
parent.relayout();
}
@Override
void createHandle(int index) {
state |= HANDLE | THEME_BACKGROUND;
fixedHandle = OS.g_object_new(display.gtk_fixed_get_type(), 0);
if (fixedHandle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_widget_set_has_window(fixedHandle, true);
handle = OS.gtk_toolbar_new();
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_container_add(fixedHandle, handle);
if ((style & SWT.FLAT) != 0) {
byte[] swt_toolbar_flat = Converter.wcsToMbcs(null, "swt-toolbar-flat", true);
OS.gtk_widget_set_name(handle, swt_toolbar_flat);
}
/*
* Bug in GTK. For some reason, the toolbar style context does not read
* the CSS style sheet until the window containing the toolbar is shown.
* The fix is to call gtk_style_context_invalidate() which it seems to
* force the style sheet to be read.
*/
if (OS.GTK3) {
long /*int*/ context = OS.gtk_widget_get_style_context(handle);
String css = "GtkToolbar {padding-top: 4px; padding-bottom: 4px; }";
gtk_css_provider_load_from_css(context, css);
OS.gtk_style_context_invalidate(context);
}
/*
* Bug in GTK. GTK will segment fault if gtk_widget_reparent() is called
* on a tool bar or on a widget hierarchy containing a tool bar when the icon
* size is not GTK_ICON_SIZE_LARGE_TOOLBAR. The fix is to set the icon
* size to GTK_ICON_SIZE_LARGE_TOOLBAR.
*
* Note that the segmentation fault does not happen on GTK 3, but the
* tool bar preferred size is too big with GTK_ICON_SIZE_LARGE_TOOLBAR
* when the tool bar item has no image or text.
*/
OS.gtk_toolbar_set_icon_size(
handle, OS.GTK3 ? OS.GTK_ICON_SIZE_SMALL_TOOLBAR : OS.GTK_ICON_SIZE_LARGE_TOOLBAR);
// In GTK 3 font description is inherited from parent widget which is not how SWT has always
// worked,
// reset to default font to get the usual behavior
if (OS.GTK3) {
setFontDescription(defaultFont().handle);
}
}
/**
* Sets the receiver's text at a column
*
* @param index the column index
* @param string the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </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 setText(int index, String string) {
checkWidget();
if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
if (_getText(index).equals(string)) return;
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return;
byte[] buffer = Converter.wcsToMbcs(null, string, true);
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, buffer, -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;
}
/**
* This implementation of <code>javaToNative</code> converts an ImageData object represented by
* java <code>ImageData</code> to a platform specific representation.
*
* @param object a java <code>ImageData</code> containing the ImageData to be converted
* @param transferData an empty <code>TransferData</code> object that will be filled in on return
* with the platform specific format of the data
* @see Transfer#nativeToJava
*/
public void javaToNative(Object object, TransferData transferData) {
if (!checkImage(object) || !isSupportedType(transferData)) {
DND.error(DND.ERROR_INVALID_DATA);
}
if (OS.GTK_VERSION < OS.VERSION(2, 4, 0)) return;
ImageData imgData = (ImageData) object;
if (imgData == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
Image image = new Image(Display.getCurrent(), imgData);
long /*int*/ pixbuf = ImageList.createPixbuf(image);
if (pixbuf != 0) {
String typeStr = "";
if (transferData.type == JPEG_ID) typeStr = "jpeg";
else if (transferData.type == PNG_ID) typeStr = "png";
else if (transferData.type == BMP_ID) typeStr = "bmp";
else if (transferData.type == EPS_ID) typeStr = "eps";
else if (transferData.type == PCX_ID) typeStr = "pcx";
else if (transferData.type == PPM_ID) typeStr = "ppm";
else if (transferData.type == RGB_ID) typeStr = "rgb";
else if (transferData.type == TGA_ID) typeStr = "tga";
else if (transferData.type == XBM_ID) typeStr = "xbm";
else if (transferData.type == XPM_ID) typeStr = "xpm";
else if (transferData.type == XV_ID) typeStr = "xv";
byte[] type = Converter.wcsToMbcs(null, typeStr, true);
long /*int*/[] buffer = new long /*int*/[1];
long /*int*/[] len = new long /*int*/[1];
if (type == null) return;
OS.gdk_pixbuf_save_to_bufferv(pixbuf, buffer, len, type, null, null, null);
OS.g_object_unref(pixbuf);
transferData.pValue = buffer[0];
transferData.length = (int) (len[0] + 3) / 4 * 4;
transferData.result = 1;
transferData.format = 32;
}
image.dispose();
}
long /*int*/ gtk_create_menu_proxy(long /*int*/ widget) {
/*
* Feature in GTK. If the item is a radio/check button
* with only image, then that image does not appear in
* the overflow menu.
* The fix is to create and use the proxy menu for the
* items appearing in the overflow menu.
*/
byte[] buffer = Converter.wcsToMbcs(null, "menu-id", true); // $NON-NLS-1$
if (proxyMenuItem != 0) {
/*
* The menuItem to appear in the overflow menu is cached
* for the tool-item. If the text/image of the item changes,
* then the proxyMenu is reset.
*/
OS.gtk_tool_item_set_proxy_menu_item(widget, buffer, proxyMenuItem);
return 1;
}
if (image != null) {
ImageList imageList = parent.imageList;
if (imageList != null) {
int index = imageList.indexOf(image);
if (index != -1) {
long /*int*/ pixbuf = imageList.getPixbuf(index);
byte[] label = null;
int[] showImages = new int[] {1};
long /*int*/ settings = OS.gtk_settings_get_default();
if (settings != 0) {
long /*int*/ property =
OS.g_object_class_find_property(
OS.G_OBJECT_GET_CLASS(settings), OS.gtk_menu_images);
if (property != 0) OS.g_object_get(settings, OS.gtk_menu_images, showImages, 0);
}
/*
* GTK tool items with only image appear as blank items
* in overflow menu when the system property "gtk-menu-images"
* is set to false. To avoid that, display the tooltip text
* if available, in the overflow menu.
* Feature in GTK. When the menuItem is initialised only
* with the image, the overflow menu appears very sloppy.
* The fix is to initialise menu item with empty string.
*/
if (text == null || text.length() == 0) {
if ((showImages[0] == 0) && (toolTipText != null))
label = Converter.wcsToMbcs(null, toolTipText, true);
else label = new byte[] {0};
} else {
label = Converter.wcsToMbcs(null, text, true);
}
long /*int*/ menuItem = OS.gtk_image_menu_item_new_with_label(label);
long /*int*/ menuImage = OS.gtk_image_new_from_pixbuf(pixbuf);
OS.gtk_image_menu_item_set_image(menuItem, menuImage);
OS.gtk_tool_item_set_proxy_menu_item(widget, buffer, menuItem);
/*
* Since the arrow button does not appear in the drop_down
* item, we request the menu-item and then, hook the
* activate signal to send the Arrow selection signal.
*/
proxyMenuItem = OS.gtk_tool_item_get_proxy_menu_item(widget, buffer);
OS.g_signal_connect(
menuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle);
return 1;
}
}
}
return 0;
}
public void setText(String string) {
super.setText(string);
byte[] buffer = Converter.wcsToMbcs(null, string, true);
OS.gtk_label_set_text(labelHandle, buffer);
}