diff --git a/src/Pure/GUI/gui.scala b/src/Pure/GUI/gui.scala --- a/src/Pure/GUI/gui.scala +++ b/src/Pure/GUI/gui.scala @@ -1,269 +1,271 @@ /* Title: Pure/GUI/gui.scala Author: Makarius Basic GUI tools (for AWT/Swing). */ package isabelle import java.lang.{ClassLoader, ClassNotFoundException, NoSuchMethodException} import java.awt.{Image, Component, Container, Toolkit, Window, Font, KeyboardFocusManager} import java.awt.font.{TextAttribute, TransformAttribute, FontRenderContext, LineMetrics} import java.awt.geom.AffineTransform import javax.swing.{ImageIcon, JOptionPane, UIManager, JLayeredPane, JFrame, JWindow, JDialog, JButton, JTextField, JLabel} import scala.collection.JavaConverters import scala.swing.{ComboBox, TextArea, ScrollPane} import scala.swing.event.SelectionChanged object GUI { /* Swing look-and-feel */ def find_laf(name: String): Option[String] = UIManager.getInstalledLookAndFeels(). find(c => c.getName == name || c.getClassName == name). map(_.getClassName) def get_laf(): String = find_laf(System.getProperty("isabelle.laf")) getOrElse { if (Platform.is_windows || Platform.is_macos) UIManager.getSystemLookAndFeelClassName() else UIManager.getCrossPlatformLookAndFeelClassName() } def init_laf(): Unit = UIManager.setLookAndFeel(get_laf()) def is_macos_laf(): Boolean = Platform.is_macos && UIManager.getSystemLookAndFeelClassName() == UIManager.getLookAndFeel.getClass.getName def is_windows_laf(): Boolean = Platform.is_windows && UIManager.getSystemLookAndFeelClassName() == UIManager.getLookAndFeel.getClass.getName /* plain focus traversal, notably for text fields */ def plain_focus_traversal(component: Component) { val dummy_button = new JButton def apply(id: Int): Unit = component.setFocusTraversalKeys(id, dummy_button.getFocusTraversalKeys(id)) apply(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS) apply(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS) } /* simple dialogs */ def scrollable_text(raw_txt: String, width: Int = 60, height: Int = 20, editable: Boolean = false) : ScrollPane = { val txt = Output.clean_yxml(raw_txt) val text = new TextArea(txt) if (width > 0) text.columns = width if (height > 0 && split_lines(txt).length > height) text.rows = height text.editable = editable new ScrollPane(text) } private def simple_dialog(kind: Int, default_title: String, parent: Component, title: String, message: Iterable[Any]) { GUI_Thread.now { val java_message = message.iterator.map({ case x: scala.swing.Component => x.peer case x => x }). toArray.asInstanceOf[Array[AnyRef]] JOptionPane.showMessageDialog(parent, java_message, if (title == null) default_title else title, kind) } } def dialog(parent: Component, title: String, message: Any*): Unit = simple_dialog(JOptionPane.PLAIN_MESSAGE, null, parent, title, message) def warning_dialog(parent: Component, title: String, message: Any*): Unit = simple_dialog(JOptionPane.WARNING_MESSAGE, "Warning", parent, title, message) def error_dialog(parent: Component, title: String, message: Any*): Unit = simple_dialog(JOptionPane.ERROR_MESSAGE, "Error", parent, title, message) def confirm_dialog(parent: Component, title: String, option_type: Int, message: Any*): Int = GUI_Thread.now { val java_message = message map { case x: scala.swing.Component => x.peer case x => x } JOptionPane.showConfirmDialog(parent, java_message.toArray.asInstanceOf[Array[AnyRef]], title, option_type, JOptionPane.QUESTION_MESSAGE) } /* zoom box */ private val Zoom_Factor = "([0-9]+)%?".r abstract class Zoom_Box extends ComboBox[String]( List("50%", "70%", "85%", "100%", "125%", "150%", "175%", "200%", "300%", "400%")) { def changed: Unit def factor: Int = parse(selection.item) private def parse(text: String): Int = text match { case Zoom_Factor(s) => val i = Integer.parseInt(s) if (10 <= i && i < 1000) i else 100 case _ => 100 } private def print(i: Int): String = i.toString + "%" def set_item(i: Int) { peer.getEditor match { case null => case editor => editor.setItem(print(i)) } } makeEditable()(c => new ComboBox.BuiltInEditor(c)(text => print(parse(text)), x => x)) peer.getEditor.getEditorComponent match { case text: JTextField => text.setColumns(4) case _ => } selection.index = 3 listenTo(selection) reactions += { case SelectionChanged(_) => changed } } /* tooltip with multi-line support */ def tooltip_lines(text: String): String = if (text == null || text == "") null else "" + HTML.output(text) + "" /* icon */ def isabelle_icon(): ImageIcon = new ImageIcon(getClass.getClassLoader.getResource("isabelle/isabelle_transparent-32.gif")) def isabelle_icons(): List[ImageIcon] = for (icon <- List("isabelle/isabelle_transparent-32.gif", "isabelle/isabelle_transparent.gif")) yield new ImageIcon(getClass.getClassLoader.getResource(icon)) def isabelle_image(): Image = isabelle_icon().getImage /* component hierachy */ def get_parent(component: Component): Option[Container] = component.getParent match { case null => None case parent => Some(parent) } def ancestors(component: Component): Iterator[Container] = new Iterator[Container] { private var next_elem = get_parent(component) def hasNext(): Boolean = next_elem.isDefined def next(): Container = next_elem match { case Some(parent) => next_elem = get_parent(parent) parent case None => Iterator.empty.next() } } def parent_window(component: Component): Option[Window] = ancestors(component).collectFirst({ case x: Window => x }) def layered_pane(component: Component): Option[JLayeredPane] = parent_window(component) match { case Some(w: JWindow) => Some(w.getLayeredPane) case Some(w: JFrame) => Some(w.getLayeredPane) case Some(w: JDialog) => Some(w.getLayeredPane) case _ => None } def traverse_components(component: Component, apply: Component => Unit) { def traverse(comp: Component) { apply(comp) comp match { case cont: Container => for (i <- 0 until cont.getComponentCount) traverse(cont.getComponent(i)) case _ => } } traverse(component) } /* font operations */ def copy_font(font: Font): Font = if (font == null) null else new Font(font.getFamily, font.getStyle, font.getSize) def line_metrics(font: Font): LineMetrics = font.getLineMetrics("", new FontRenderContext(null, false, false)) def transform_font(font: Font, transform: AffineTransform): Font = font.deriveFont(java.util.Map.of(TextAttribute.TRANSFORM, new TransformAttribute(transform))) def font(family: String = Isabelle_Fonts.sans, size: Int = 1, bold: Boolean = false): Font = new Font(family, if (bold) Font.BOLD else Font.PLAIN, size) def label_font(): Font = (new JLabel).getFont /* Isabelle fonts */ def imitate_font(font: Font, family: String = Isabelle_Fonts.sans, scale: Double = 1.0): Font = { val font1 = new Font(family, font.getStyle, font.getSize) val rel_size = line_metrics(font).getHeight.toDouble / line_metrics(font1).getHeight new Font(family, font.getStyle, (scale * rel_size * font.getSize).toInt) } def imitate_font_css(font: Font, family: String = Isabelle_Fonts.sans, scale: Double = 1.0): String = { val font1 = new Font(family, font.getStyle, font.getSize) val rel_size = line_metrics(font).getHeight.toDouble / line_metrics(font1).getHeight "font-family: " + family + "; font-size: " + (scale * rel_size * 100).toInt + "%;" } def use_isabelle_fonts() { val default_font = label_font() val ui = UIManager.getDefaults for (prop <- List( "CheckBoxMenuItem.font", "Label.font", "Menu.font", "MenuItem.font", "PopupMenu.font", + "Table.font", + "TableHeader.font", "TextArea.font", "TextField.font", "TextPane.font", "Tooltip.font", "Tree.font")) { val font = ui.get(prop) match { case font: Font => font case _ => default_font } ui.put(prop, GUI.imitate_font(font)) } } }