}
} else if (event instanceof TKeypressEvent) {
dispatchToDesktop = false;
+ } else if (event instanceof TMenuEvent) {
+ dispatchToDesktop = false;
}
if (debugEvents) {
*/
package jexer;
+import jexer.event.TResizeEvent;
+
/**
* TPanel is an empty container for other widgets.
*/
super(parent, x, y, width, height);
}
+ // ------------------------------------------------------------------------
+ // Event handlers ---------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Method that subclasses can override to handle window/screen resize
+ * events.
+ *
+ * @param resize resize event
+ */
+ @Override
+ public void onResize(final TResizeEvent resize) {
+ if (resize.getType() == TResizeEvent.Type.WIDGET) {
+ if (getChildren().size() == 1) {
+ TWidget child = getChildren().get(0);
+ if ((child instanceof TSplitPane)
+ || (child instanceof TPanel)
+ ) {
+ child.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ resize.getWidth(), resize.getHeight()));
+ }
+ return;
+ }
+ }
+
+ // Pass on to TWidget.
+ super.onResize(resize);
+ }
+
// ------------------------------------------------------------------------
// TWidget ----------------------------------------------------------------
// ------------------------------------------------------------------------
--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2019 Kevin Lamonte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer;
+
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+import jexer.event.TMenuEvent;
+import jexer.event.TMouseEvent;
+import jexer.event.TResizeEvent;
+import jexer.menu.TMenu;
+
+/**
+ * TSplitPane contains two widgets with a draggable horizontal or vertical
+ * bar between them.
+ */
+public class TSplitPane extends TWidget {
+
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * If true, split vertically. If false, split horizontally.
+ */
+ private boolean vertical = true;
+
+ /**
+ * The location of the split bar, either as a column number for vertical
+ * split or a row number for horizontal split.
+ */
+ private int split = 0;
+
+ /**
+ * The widget on the left side.
+ */
+ private TWidget left;
+
+ /**
+ * The widget on the right side.
+ */
+ private TWidget right;
+
+ /**
+ * The widget on the top side.
+ */
+ private TWidget top;
+
+ /**
+ * The widget on the bottom side.
+ */
+ private TWidget bottom;
+
+ /**
+ * If true, we are in the middle of a split move.
+ */
+ private boolean inSplitMove = false;
+
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of widget
+ * @param height height of widget
+ * @param vertical if true, split vertically
+ */
+ public TSplitPane(final TWidget parent, final int x, final int y,
+ final int width, final int height, final boolean vertical) {
+
+ super(parent, x, y, width, height);
+
+ this.vertical = vertical;
+ center();
+ }
+
+ // ------------------------------------------------------------------------
+ // Event handlers ---------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Handle window/screen resize events.
+ *
+ * @param event resize event
+ */
+ @Override
+ public void onResize(final TResizeEvent event) {
+ if (event.getType() == TResizeEvent.Type.WIDGET) {
+ // Resize me
+ super.onResize(event);
+
+ if (vertical && (split >= getWidth() - 2)) {
+ center();
+ } else if (!vertical && (split >= getHeight() - 2)) {
+ center();
+ } else {
+ layoutChildren();
+ }
+ }
+ }
+
+ /**
+ * Handle mouse button presses.
+ *
+ * @param mouse mouse button event
+ */
+ @Override
+ public void onMouseDown(final TMouseEvent mouse) {
+
+ inSplitMove = false;
+
+ if (mouse.isMouse1()) {
+ if (vertical) {
+ inSplitMove = (mouse.getX() == split);
+ } else {
+ inSplitMove = (mouse.getY() == split);
+ }
+ if (inSplitMove) {
+ return;
+ }
+ }
+
+ // I didn't take it, pass it on to my children
+ super.onMouseDown(mouse);
+ }
+
+ /**
+ * Handle mouse button releases.
+ *
+ * @param mouse mouse button release event
+ */
+ @Override
+ public void onMouseUp(final TMouseEvent mouse) {
+
+ if (inSplitMove && mouse.isMouse1()) {
+ // Stop moving split
+ inSplitMove = false;
+ return;
+ }
+
+ // I didn't take it, pass it on to my children
+ super.onMouseUp(mouse);
+ }
+
+ /**
+ * Handle mouse movements.
+ *
+ * @param mouse mouse motion event
+ */
+ @Override
+ public void onMouseMotion(final TMouseEvent mouse) {
+
+ if (inSplitMove) {
+ if (vertical) {
+ split = mouse.getX();
+ split = Math.min(Math.max(1, split), getWidth() - 2);
+ } else {
+ split = mouse.getY();
+ split = Math.min(Math.max(1, split), getHeight() - 2);
+ }
+ layoutChildren();
+ return;
+ }
+
+ // I didn't take it, pass it on to my children
+ super.onMouseMotion(mouse);
+ }
+
+ // ------------------------------------------------------------------------
+ // TWidget ----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Draw me on screen.
+ */
+ @Override
+ public void draw() {
+ CellAttributes attr = getTheme().getColor("tsplitpane");
+ if (vertical) {
+ vLineXY(split, 0, getHeight(), GraphicsChars.WINDOW_SIDE, attr);
+ // TODO: draw intersections of children
+ } else {
+ hLineXY(0, split, getWidth(), GraphicsChars.SINGLE_BAR, attr);
+ // TODO: draw intersections of children
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ // TSplitPane -------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the widget on the left side.
+ *
+ * @return the widget on the left, or null if not set
+ */
+ public TWidget getLeft() {
+ return left;
+ }
+
+ /**
+ * Set the widget on the left side.
+ *
+ * @param left the widget to set, or null to remove
+ */
+ public void setLeft(final TWidget left) {
+ if (!vertical) {
+ throw new IllegalArgumentException("cannot set left on " +
+ "horizontal split pane");
+ }
+ if (left == null) {
+ remove(this.left);
+ this.left = null;
+ return;
+ }
+ this.left = left;
+ left.setParent(this, false);
+ onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
+ getHeight()));
+ }
+
+ /**
+ * Get the widget on the right side.
+ *
+ * @return the widget on the right, or null if not set
+ */
+ public TWidget getRight() {
+ return right;
+ }
+
+ /**
+ * Set the widget on the right side.
+ *
+ * @param right the widget to set, or null to remove
+ */
+ public void setRight(final TWidget right) {
+ if (!vertical) {
+ throw new IllegalArgumentException("cannot set right on " +
+ "horizontal split pane");
+ }
+ if (right == null) {
+ remove(this.right);
+ this.right = null;
+ return;
+ }
+ this.right = right;
+ right.setParent(this, false);
+ onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
+ getHeight()));
+ }
+
+ /**
+ * Get the widget on the top side.
+ *
+ * @return the widget on the top, or null if not set
+ */
+ public TWidget getTop() {
+ return top;
+ }
+
+ /**
+ * Set the widget on the top side.
+ *
+ * @param top the widget to set, or null to remove
+ */
+ public void setTop(final TWidget top) {
+ if (vertical) {
+ throw new IllegalArgumentException("cannot set top on vertical " +
+ "split pane");
+ }
+ if (top == null) {
+ remove(this.top);
+ this.top = null;
+ return;
+ }
+ this.top = top;
+ top.setParent(this, false);
+ onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
+ getHeight()));
+ }
+
+ /**
+ * Get the widget on the bottom side.
+ *
+ * @return the widget on the bottom, or null if not set
+ */
+ public TWidget getBottom() {
+ return bottom;
+ }
+
+ /**
+ * Set the widget on the bottom side.
+ *
+ * @param bottom the widget to set, or null to remove
+ */
+ public void setBottom(final TWidget bottom) {
+ if (vertical) {
+ throw new IllegalArgumentException("cannot set bottom on " +
+ "vertical split pane");
+ }
+ if (bottom == null) {
+ remove(this.bottom);
+ this.bottom = null;
+ return;
+ }
+ this.bottom = bottom;
+ bottom.setParent(this, false);
+ onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
+ getHeight()));
+ }
+
+ /**
+ * Layout the two child widgets.
+ */
+ private void layoutChildren() {
+ if (vertical) {
+ if (left != null) {
+ left.setDimensions(0, 0, split, getHeight());
+ left.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ left.getWidth(), left.getHeight()));
+ }
+ if (right != null) {
+ right.setDimensions(split + 1, 0, getWidth() - split - 1,
+ getHeight());
+ right.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ right.getWidth(), right.getHeight()));
+ }
+ } else {
+ if (top != null) {
+ top.setDimensions(0, 0, getWidth(), split);
+ top.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ top.getWidth(), top.getHeight()));
+ }
+ if (bottom != null) {
+ bottom.setDimensions(0, split + 1, getWidth(),
+ getHeight() - split - 1);
+ bottom.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ bottom.getWidth(), bottom.getHeight()));
+ }
+ }
+ }
+
+ /**
+ * Recenter the split to the middle of this split pane.
+ */
+ public void center() {
+ if (vertical) {
+ split = getWidth() / 2;
+ } else {
+ split = getHeight() / 2;
+ }
+ layoutChildren();
+ }
+
+}
} else {
line = "";
}
- String formatString = "%-" + Integer.toString(getWidth() - 1) + "s";
- putStringXY(0, topY, String.format(formatString, line), color);
+ if (getWidth() > 3) {
+ String formatString = "%-" + Integer.toString(getWidth() - 1) + "s";
+ putStringXY(0, topY, String.format(formatString, line), color);
+ }
topY++;
if (topY >= (getHeight() - 1)) {
* @param menu menu event
*/
public void onMenu(final TMenuEvent menu) {
+
+ // Special case: if a split command comes in, insert a TPanel and
+ // TSplitPane in the hierarchy here.
+ TPanel panel = null;
+ TSplitPane pane = null;
+ List<TWidget> widgets = null;
+ switch (menu.getId()) {
+ case TMenu.MID_SPLIT_VERTICAL:
+ panel = new TPanel(null, x, y, width, height);
+ pane = new TSplitPane(null, x, y, width, height, true);
+ widgets = new ArrayList<TWidget>(children);
+ for (TWidget w: widgets) {
+ w.setParent(panel, false);
+ }
+ children.clear();
+ pane.setParent(this, false);
+ pane.setLeft(panel);
+ activate(pane);
+ for (TWidget w: widgets) {
+ assert (w.window != null);
+ assert (w.parent != null);
+ }
+ assert (pane.getWindow() != null);
+ assert (pane.getParent() != null);
+ assert (panel.getWindow() != null);
+ assert (panel.getParent() != null);
+ assert (pane.isActive() == true);
+ assert (panel.isActive() == true);
+ return;
+ case TMenu.MID_SPLIT_HORIZONTAL:
+ panel = new TPanel(null, x, y, width, height);
+ pane = new TSplitPane(null, x, y, width, height, false);
+ widgets = new ArrayList<TWidget>(children);
+ for (TWidget w: widgets) {
+ w.setParent(panel, false);
+ }
+ children.clear();
+ pane.setParent(this, false);
+ pane.setTop(panel);
+ activate(pane);
+ for (TWidget w: widgets) {
+ assert (w.window != null);
+ assert (w.parent != null);
+ }
+ assert (pane.getWindow() != null);
+ assert (pane.getParent() != null);
+ assert (panel.getWindow() != null);
+ assert (panel.getParent() != null);
+ assert (pane.isActive() == true);
+ assert (panel.isActive() == true);
+ return;
+ default:
+ break;
+ }
+
// Default: do nothing, pass to children instead
for (TWidget widget: children) {
widget.onMenu(menu);
}
}
+ /**
+ * Remove a child widget from this container.
+ *
+ * @param child the child widget to remove
+ */
+ public final void remove(final TWidget child) {
+ remove(child, true);
+ }
+
/**
* Remove a child widget from this container.
*
}
children.remove(child);
child.parent = null;
+ child.window = null;
if (layout != null) {
layout.remove(this);
}
if (parent != null) {
parent.remove(this, doClose);
+ window = null;
}
assert (parent == null);
- window = newParent.window;
- newParent.addChild(this);
+ assert (window == null);
+ parent = newParent;
+ setWindow(parent.window);
+ parent.addChild(this);
}
/**
- * Set this widget's window to a specific window. Parent must already be
- * null. Having a null parent with a specified window is only used
- * within Jexer by TStatusBar because TApplication routes events directly
- * to it and calls its draw() method. Any other non-parented widgets
- * will require similar special case functionality to receive events or
- * be drawn to screen.
+ * Set this widget's window to a specific window.
+ *
+ * Having a null parent with a specified window is only used within Jexer
+ * by TStatusBar because TApplication routes events directly to it and
+ * calls its draw() method. Any other non-parented widgets will require
+ * similar special case functionality to receive events or be drawn to
+ * screen.
*
* @param window the window to use
*/
public final void setWindow(final TWindow window) {
-
- if (parent != null) {
- throw new IllegalArgumentException("Cannot have different " +
- "windows for parent and child");
- }
this.window = window;
+ for (TWidget child: getChildren()) {
+ child.setWindow(window);
+ }
}
/**
return new TPanel(this, x, y, width, height);
}
+ /**
+ * Convenience function to add a split pane to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of text area
+ * @param height height of text area
+ * @param vertical if true, split vertically
+ * @return the new split pane
+ */
+ public final TSplitPane addSplitPane(final int x, final int y,
+ final int width, final int height, final boolean vertical) {
+
+ return new TSplitPane(this, x, y, width, height, vertical);
+ }
+
}
super.onMenu(menu);
}
+ /**
+ * Method that subclasses can override to handle window/screen resize
+ * events.
+ *
+ * @param resize resize event
+ */
+ @Override
+ public void onResize(final TResizeEvent resize) {
+ if (resize.getType() == TResizeEvent.Type.WIDGET) {
+ if (getChildren().size() == 1) {
+ TWidget child = getChildren().get(0);
+ if ((child instanceof TSplitPane)
+ || (child instanceof TPanel)
+ ) {
+ child.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ resize.getWidth() - 2, resize.getHeight() - 2));
+ }
+ return;
+ }
+ }
+
+ // Pass on to TWidget.
+ super.onResize(resize);
+ }
+
// ------------------------------------------------------------------------
// TWidget ----------------------------------------------------------------
// ------------------------------------------------------------------------
color.setBold(false);
colors.put("ttable.border", color);
+ // TSplitPane
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tsplitpane", color);
+
}
/**
--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2019 Kevin Lamonte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.demos;
+
+import java.util.ResourceBundle;
+
+import jexer.TApplication;
+import jexer.TPanel;
+import jexer.TSplitPane;
+import jexer.TText;
+import jexer.TWindow;
+import jexer.layout.BoxLayoutManager;
+import jexer.menu.TMenu;
+
+/**
+ * This class shows off TSplitPane.
+ */
+public class Demo8 {
+
+ /**
+ * Translated strings.
+ */
+ private static final ResourceBundle i18n = ResourceBundle.getBundle(Demo8.class.getName());
+
+ // ------------------------------------------------------------------------
+ // Constants --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ private static String TEXT =
+"This is an example of a reflowable text field. Some example text follows.\n" +
+"\n" +
+"Notice that some menu items should be disabled when this window has focus.\n" +
+"\n" +
+"This library implements a text-based windowing system loosely " +
+"reminiscent of Borland's [Turbo " +
+"Vision](http://en.wikipedia.org/wiki/Turbo_Vision) library. For those " +
+"wishing to use the actual C++ Turbo Vision library, see [Sergio " +
+"Sigala's updated version](http://tvision.sourceforge.net/) that runs " +
+"on many more platforms.\n" +
+"\n" +
+"This library is licensed MIT. See the file LICENSE for the full license " +
+"for the details.\n";
+
+ // ------------------------------------------------------------------------
+ // Demo8 ------------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Main entry point.
+ *
+ * @param args Command line arguments
+ */
+ public static void main(final String [] args) throws Exception {
+ // This demo will build everything "from the outside".
+
+ // Swing is the default backend on Windows unless explicitly
+ // overridden by jexer.Swing.
+ TApplication.BackendType backendType = TApplication.BackendType.XTERM;
+ if (System.getProperty("os.name").startsWith("Windows")) {
+ backendType = TApplication.BackendType.SWING;
+ }
+ if (System.getProperty("os.name").startsWith("Mac")) {
+ backendType = TApplication.BackendType.SWING;
+ }
+ if (System.getProperty("jexer.Swing") != null) {
+ if (System.getProperty("jexer.Swing", "false").equals("true")) {
+ backendType = TApplication.BackendType.SWING;
+ } else {
+ backendType = TApplication.BackendType.XTERM;
+ }
+ }
+
+ // For this demo, let's disable the status bar.
+ System.setProperty("jexer.hideStatusBar", "true");
+
+ TApplication app = new TApplication(backendType);
+ app.addToolMenu();
+ app.addFileMenu();
+ TWindow window = new TWindow(app, i18n.getString("windowTitle"),
+ 60, 22);
+
+ TMenu paneMenu = app.addMenu(i18n.getString("paneMenu"));
+ paneMenu.addDefaultItem(TMenu.MID_SPLIT_VERTICAL, true);
+ paneMenu.addDefaultItem(TMenu.MID_SPLIT_HORIZONTAL, true);
+
+ TSplitPane pane = window.addSplitPane(0, 0, window.getWidth() - 2,
+ window.getHeight() - 2, true);
+
+ pane.setLeft(new TText(null, TEXT, 0, 0, 10, 10));
+ pane.setRight(new TText(null, TEXT, 0, 0, 10, 10));
+
+ app.run();
+ }
+
+}
--- /dev/null
+windowTitle=TSplitPane Demo
+
+paneMenu=&Pane
+paneSplitVertical=Split &Vertical
+paneSplitHorizontal=Split &Horizontal
public static final int MID_TABLE_FILE_SAVE_CSV = 116;
public static final int MID_TABLE_FILE_SAVE_TEXT = 117;
+ // Miscellaneous
+ public static final int MID_SPLIT_VERTICAL = 200;
+ public static final int MID_SPLIT_HORIZONTAL = 201;
+
// ------------------------------------------------------------------------
// Variables --------------------------------------------------------------
// ------------------------------------------------------------------------
label = i18n.getString("menuTableFileSaveText");
break;
+ case MID_SPLIT_VERTICAL:
+ label = i18n.getString("menuSplitVertical");
+ break;
+ case MID_SPLIT_HORIZONTAL:
+ label = i18n.getString("menuSplitHorizontal");
+ break;
+
default:
throw new IllegalArgumentException("Invalid menu ID: " + id);
}
menuRepaintDesktop=&Repaint desktop
menuViewImage=&Open image...
menuScreenOptions=&Screen options...
+menuSplitVertical=Split &Vertical
+menuSplitHorizontal=Split &Horizontal
git://git.nikiroo.be / fanfix-jexer.git / commitdiff