/**
* 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();
}
int /*long*/ gtk_commit(int /*long*/ imcontext, int /*long*/ textPtr) {
if (!isInlineEnabled()) return 0;
boolean doit = true;
ranges = null;
styles = null;
caretOffset = commitCount = 0;
if (textPtr != 0 && inComposition) {
int length = OS.strlen(textPtr);
if (length != 0) {
byte[] buffer = new byte[length];
OS.memmove(buffer, textPtr, length);
char[] chars = Converter.mbcsToWcs(null, buffer);
Event event = new Event();
event.detail = SWT.COMPOSITION_CHANGED;
event.start = startOffset;
event.end = startOffset + text.length();
event.text = text = chars != null ? new String(chars) : "";
commitCount = text.length();
sendEvent(SWT.ImeComposition, event);
doit = event.doit;
text = "";
startOffset = -1;
commitCount = 0;
}
}
inComposition = false;
return doit ? 0 : 1;
}
String _getText(int index) {
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return "";
int /*long*/[] ptr = new int /*long*/[1];
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_tree_model_get(parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, ptr, -1);
if (ptr[0] == 0) return "";
int length = OS.strlen(ptr[0]);
byte[] buffer = new byte[length];
OS.memmove(buffer, ptr[0], length);
OS.g_free(ptr[0]);
return new String(Converter.mbcsToWcs(null, buffer));
}
@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;
}
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);
}
int /*long*/ gtk_preedit_changed(int /*long*/ imcontext) {
if (!isInlineEnabled()) return 0;
ranges = null;
styles = null;
commitCount = 0;
int /*long*/ imHandle = imHandle();
int /*long*/[] preeditString = new int /*long*/[1];
int /*long*/[] pangoAttrs = new int /*long*/[1];
int[] cursorPos = new int[1];
OS.gtk_im_context_get_preedit_string(imHandle, preeditString, pangoAttrs, cursorPos);
caretOffset = cursorPos[0];
char[] chars = null;
if (preeditString[0] != 0) {
int length = OS.strlen(preeditString[0]);
byte[] buffer = new byte[length];
OS.memmove(buffer, preeditString[0], length);
chars = Converter.mbcsToWcs(null, buffer);
if (pangoAttrs[0] != 0) {
int count = 0;
int /*long*/ iterator = OS.pango_attr_list_get_iterator(pangoAttrs[0]);
while (OS.pango_attr_iterator_next(iterator)) count++;
OS.pango_attr_iterator_destroy(iterator);
ranges = new int[count * 2];
styles = new TextStyle[count];
iterator = OS.pango_attr_list_get_iterator(pangoAttrs[0]);
PangoAttrColor attrColor = new PangoAttrColor();
PangoAttrInt attrInt = new PangoAttrInt();
int[] start = new int[1];
int[] end = new int[1];
for (int i = 0; i < count; i++) {
OS.pango_attr_iterator_range(iterator, start, end);
ranges[i * 2] =
(int) /*64*/
OS.g_utf16_pointer_to_offset(preeditString[0], preeditString[0] + start[0]);
ranges[i * 2 + 1] =
(int) /*64*/ OS.g_utf16_pointer_to_offset(preeditString[0], preeditString[0] + end[0])
- 1;
styles[i] = new TextStyle(null, null, null);
int /*long*/ attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_FOREGROUND);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].foreground = Color.gtk_new(display, color);
}
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_BACKGROUND);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].background = Color.gtk_new(display, color);
}
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_UNDERLINE);
if (attr != 0) {
OS.memmove(attrInt, attr, PangoAttrInt.sizeof);
styles[i].underline = attrInt.value != OS.PANGO_UNDERLINE_NONE;
;
styles[i].underlineStyle = SWT.UNDERLINE_SINGLE;
switch (attrInt.value) {
case OS.PANGO_UNDERLINE_DOUBLE:
styles[i].underlineStyle = SWT.UNDERLINE_DOUBLE;
break;
case OS.PANGO_UNDERLINE_ERROR:
styles[i].underlineStyle = SWT.UNDERLINE_ERROR;
break;
}
if (styles[i].underline) {
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_UNDERLINE_COLOR);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].underlineColor = Color.gtk_new(display, color);
}
}
}
OS.pango_attr_iterator_next(iterator);
}
OS.pango_attr_iterator_destroy(iterator);
OS.pango_attr_list_unref(pangoAttrs[0]);
}
OS.g_free(preeditString[0]);
}
if (chars != null) {
if (text.length() == 0) {
/*
* Bug in GTK. In Solaris, the IME sends multiple
* preedit_changed signals with an empty text.
* This behavior is not correct for SWT and can
* cause the editor to replace its current selection
* with an empty string. The fix is to ignore any
* preedit_changed signals with an empty text when
* the preedit buffer is already empty.
*/
if (chars.length == 0) return 0;
startOffset = -1;
}
int end = startOffset + text.length();
if (startOffset == -1) {
Event event = new Event();
event.detail = SWT.COMPOSITION_SELECTION;
sendEvent(SWT.ImeComposition, event);
startOffset = event.start;
end = event.end;
}
inComposition = true;
Event event = new Event();
event.detail = SWT.COMPOSITION_CHANGED;
event.start = startOffset;
event.end = end;
event.text = text = chars != null ? new String(chars) : "";
sendEvent(SWT.ImeComposition, event);
}
return 1;
}