return desktopBottom;
}
+ /**
+ * An optional TDesktop background window that is drawn underneath
+ * everything else.
+ */
+ private TDesktop desktop;
+
+ /**
+ * Set the TDesktop instance.
+ *
+ * @param desktop a TDesktop instance, or null to remove the one that is
+ * set
+ */
+ public final void setDesktop(final TDesktop desktop) {
+ if (this.desktop != null) {
+ this.desktop.onClose();
+ }
+ this.desktop = desktop;
+ }
+
+ /**
+ * Get the TDesktop instance.
+ *
+ * @return the desktop, or null if it is not set
+ */
+ public final TDesktop getDesktop() {
+ return desktop;
+ }
+
// ------------------------------------------------------------------------
// General behavior -------------------------------------------------------
// ------------------------------------------------------------------------
timers = new LinkedList<TTimer>();
accelerators = new HashMap<TKeypress, TMenuItem>();
menuItems = new ArrayList<TMenuItem>();
+ desktop = new TDesktop(this);
// Setup the main consumer thread
primaryEventHandler = new WidgetEventHandler(this, true);
// Start with a clean screen
getScreen().clear();
- // Draw the background
- CellAttributes background = theme.getColor("tapplication.background");
- getScreen().putAll(GraphicsChars.HATCH, background);
+ // Draw the desktop
+ if (desktop != null) {
+ desktop.drawChildren();
+ }
// Draw each window in reverse Z order
List<TWindow> sorted = new LinkedList<TWindow>(windows);
oldMouseX = 0;
oldMouseY = 0;
}
+ if (desktop != null) {
+ desktop.setDimensions(0, 0, resize.getWidth(),
+ resize.getHeight() - 1);
+ }
return;
}
}
// Dispatch events to the active window -------------------------------
+ boolean dispatchToDesktop = true;
for (TWindow window: windows) {
if (window.isActive()) {
if (event instanceof TMouseEvent) {
assert (mouse.getY() == mouse.getAbsoluteY());
mouse.setX(mouse.getX() - window.getX());
mouse.setY(mouse.getY() - window.getY());
+
+ if (window.mouseWouldHit(mouse)) {
+ dispatchToDesktop = false;
+ }
+ } else if (event instanceof TKeypressEvent) {
+ dispatchToDesktop = false;
}
+
if (debugEvents) {
System.err.printf("TApplication dispatch event: %s\n",
event);
break;
}
}
+ if (dispatchToDesktop) {
+ // This event is fair game for the desktop to process.
+ if (desktop != null) {
+ desktop.handleEvent(event);
+ }
+ }
}
+
/**
* Dispatch one event to the appropriate widget or application-level
* event handler. This is the secondary event handler used by certain
return;
}
+ // Do not add the desktop to the window list.
+ if (window instanceof TDesktop) {
+ return;
+ }
+
synchronized (windows) {
// Do not allow a modal window to spawn a non-modal window. If a
// modal window is active, then this window will become modal
--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2017 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.TKeypressEvent;
+import jexer.event.TMenuEvent;
+import jexer.event.TMouseEvent;
+import jexer.event.TResizeEvent;
+
+/**
+ * TDesktop is a special-class window that is drawn underneath everything
+ * else.
+ */
+public class TDesktop extends TWindow {
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent application
+ */
+ public TDesktop(final TApplication parent) {
+
+ super(parent, "", 0, 0, parent.getScreen().getWidth(),
+ parent.getScreen().getHeight() - 1);
+
+ setActive(false);
+ }
+
+ /**
+ * The default TDesktop draws a hatch character across everything.
+ */
+ @Override
+ public void draw() {
+ CellAttributes background = getTheme().getColor("tdesktop.background");
+ putAll(GraphicsChars.HATCH, background);
+ }
+
+ /**
+ * Handle mouse button presses.
+ *
+ * @param mouse mouse button event
+ */
+ @Override
+ public void onMouseDown(final TMouseEvent mouse) {
+ this.mouse = mouse;
+
+ // Pass to children
+ for (TWidget widget: getChildren()) {
+ if (widget.mouseWouldHit(mouse)) {
+ // Dispatch to this child, also activate it
+ activate(widget);
+
+ // Set x and y relative to the child's coordinates
+ mouse.setX(mouse.getAbsoluteX() - widget.getAbsoluteX());
+ mouse.setY(mouse.getAbsoluteY() - widget.getAbsoluteY());
+ widget.handleEvent(mouse);
+ return;
+ }
+ }
+ }
+
+ /**
+ * Handle mouse button releases.
+ *
+ * @param mouse mouse button release event
+ */
+ @Override
+ public void onMouseUp(final TMouseEvent mouse) {
+ this.mouse = mouse;
+
+ // Pass to children
+ for (TWidget widget: getChildren()) {
+ if (widget.mouseWouldHit(mouse)) {
+ // Dispatch to this child, also activate it
+ activate(widget);
+
+ // Set x and y relative to the child's coordinates
+ mouse.setX(mouse.getAbsoluteX() - widget.getAbsoluteX());
+ mouse.setY(mouse.getAbsoluteY() - widget.getAbsoluteY());
+ widget.handleEvent(mouse);
+ return;
+ }
+ }
+ }
+
+ /**
+ * Handle mouse movements.
+ *
+ * @param mouse mouse motion event
+ */
+ @Override
+ public void onMouseMotion(final TMouseEvent mouse) {
+ this.mouse = mouse;
+
+ // Default: do nothing, pass to children instead
+ super.onMouseMotion(mouse);
+ }
+
+ /**
+ * Handle keystrokes.
+ *
+ * @param keypress keystroke event
+ */
+ @Override
+ public void onKeypress(final TKeypressEvent keypress) {
+ // Default: do nothing, pass to children instead
+ super.onKeypress(keypress);
+ }
+
+ /**
+ * Handle posted menu events.
+ *
+ * @param menu menu event
+ */
+ @Override
+ public void onMenu(final TMenuEvent menu) {
+ // Default: do nothing, pass to children instead
+ super.onMenu(menu);
+ }
+
+}
this.height = height;
}
+ /**
+ * Change the dimensions.
+ *
+ * @param x absolute X position of the top-left corner
+ * @param y absolute Y position of the top-left corner
+ * @param width new widget width
+ * @param height new widget height
+ */
+ public final void setDimensions(final int x, final int y, final int width,
+ final int height) {
+
+ setX(x);
+ setY(y);
+ setWidth(width);
+ setHeight(height);
+ }
+
/**
* My tab order inside a window or containing widget.
*/
if (parent == this) {
return x;
}
- if ((parent instanceof TWindow) && !(parent instanceof TMenu)) {
+ if ((parent instanceof TWindow)
+ && !(parent instanceof TMenu)
+ && !(parent instanceof TDesktop)
+ ) {
// Widgets on a TWindow have (0,0) as their top-left, but this is
// actually the TWindow's (1,1).
return parent.getAbsoluteX() + x + 1;
if (parent == this) {
return y;
}
- if ((parent instanceof TWindow) && !(parent instanceof TMenu)) {
+ if ((parent instanceof TWindow)
+ && !(parent instanceof TMenu)
+ && !(parent instanceof TDesktop)
+ ) {
// Widgets on a TWindow have (0,0) as their top-left, but this is
// actually the TWindow's (1,1).
return parent.getAbsoluteY() + y + 1;
color.setBold(false);
colors.put("twindow.background.windowmove", color);
- // TApplication background
+ // TDesktop background
color = new CellAttributes();
color.setForeColor(Color.BLUE);
color.setBackColor(Color.WHITE);
color.setBold(false);
- colors.put("tapplication.background", color);
+ colors.put("tdesktop.background", color);
// TButton text
color = new CellAttributes();
--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2017 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 jexer.*;
+
+/**
+ * This class is the main driver for a simple demonstration of Jexer's
+ * capabilities. This one shows TDesktop and TWindow API details.
+ */
+public class Demo4 {
+
+ /**
+ * Main entry point.
+ *
+ * @param args Command line arguments
+ */
+ public static void main(final String [] args) {
+ try {
+ // 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;
+ }
+ }
+ DesktopDemoApplication app = new DesktopDemoApplication(backendType);
+ (new Thread(app)).start();
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+}
--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2017 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.io.*;
+import java.util.*;
+
+import jexer.*;
+import jexer.event.*;
+import jexer.menu.*;
+
+/**
+ * The modified desktop.
+ */
+public class DesktopDemo extends TDesktop {
+
+ /**
+ * If true, draw the hatch. Note package private access.
+ */
+ boolean drawHatch = true;
+
+ /**
+ * The default TDesktop draws a hatch character across everything. This
+ * version is selectable.
+ */
+ @Override
+ public void draw() {
+ if (drawHatch) {
+ super.draw();
+ }
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent application
+ */
+ public DesktopDemo(final TApplication parent) {
+ super(parent);
+ }
+
+}
--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2017 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.io.*;
+import java.util.*;
+
+import jexer.*;
+import jexer.event.*;
+import jexer.menu.*;
+
+/**
+ * The demo application itself.
+ */
+public class DesktopDemoApplication extends TApplication {
+
+ /**
+ * Add all the widgets of the demo.
+ */
+ private void addAllWidgets() {
+
+ // Add the menus
+ addFileMenu();
+ addEditMenu();
+ addWindowMenu();
+ addHelpMenu();
+
+ final DesktopDemo desktop = new DesktopDemo(this);
+ setDesktop(desktop);
+
+ desktop.addButton("&Remove HATCH", 2, 5,
+ new TAction() {
+ public void DO() {
+ desktop.drawHatch = false;
+ }
+ }
+ );
+ desktop.addButton("&Show HATCH", 2, 8,
+ new TAction() {
+ public void DO() {
+ desktop.drawHatch = true;
+ }
+ }
+ );
+ }
+
+ /**
+ * Handle menu events.
+ *
+ * @param menu menu event
+ * @return if true, the event was processed and should not be passed onto
+ * a window
+ */
+ @Override
+ public boolean onMenu(final TMenuEvent menu) {
+
+ if (menu.getId() == TMenu.MID_OPEN_FILE) {
+ try {
+ String filename = fileOpenBox(".");
+ if (filename != null) {
+ try {
+ File file = new File(filename);
+ StringBuilder fileContents = new StringBuilder();
+ Scanner scanner = new Scanner(file);
+ String EOL = System.getProperty("line.separator");
+
+ try {
+ while (scanner.hasNextLine()) {
+ fileContents.append(scanner.nextLine() + EOL);
+ }
+ new DemoTextWindow(this, filename,
+ fileContents.toString());
+ } finally {
+ scanner.close();
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ return true;
+ }
+ return super.onMenu(menu);
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param backendType one of the TApplication.BackendType values
+ * @throws Exception if TApplication can't instantiate the Backend.
+ */
+ public DesktopDemoApplication(final BackendType backendType) throws Exception {
+ super(backendType);
+ addAllWidgets();
+ getBackend().setTitle("Jexer Demo Application");
+ }
+}
git://git.nikiroo.be / nikiroo-utils.git / commitdiff