+
+import jexer.*;
+import jexer.event.*;
+import jexer.menu.*;
+
+class DemoTextWindow extends TWindow {
+
+ /**
+ * Hang onto my TText so I can resize it with the window.
+ */
+ private TText textField;
+
+ /**
+ * Public constructor.
+ */
+ public DemoTextWindow(TApplication parent) {
+ super(parent, "Text Areas", 0, 0, 44, 20, RESIZABLE);
+
+ textField = addText(
+"This is an example of a reflowable text field. Some example text follows.\n" +
+"\n" +
+"This library implements a text-based windowing system loosely\n" +
+"reminiscient of Borland's [Turbo\n" +
+"Vision](http://en.wikipedia.org/wiki/Turbo_Vision) library. For those\n" +
+"wishing to use the actual C++ Turbo Vision library, see [Sergio\n" +
+"Sigala's updated version](http://tvision.sourceforge.net/) that runs\n" +
+"on many more platforms.\n" +
+"\n" +
+"Currently the only console platform supported is Posix (tested on\n" +
+"Linux). Input/output is handled through terminal escape sequences\n" +
+"generated by the library itself: ncurses is not required or linked to. \n" +
+"xterm mouse tracking using UTF8 coordinates is supported.\n" +
+"\n" +
+"This library is licensed LGPL (\"GNU Lesser General Public License\")\n" +
+"version 3 or greater. See the file COPYING for the full license text,\n" +
+"which includes both the GPL v3 and the LGPL supplemental terms.\n" +
+"\n",
+ 1, 1, 40, 16);
+ }
+
+ /**
+ * Handle window/screen resize events.
+ *
+ * @param event resize event
+ */
+ @Override
+ public void onResize(final TResizeEvent event) {
+ if (event.getType() == TResizeEvent.Type.WIDGET) {
+ // Resize the text field
+ textField.setWidth(event.getWidth() - 4);
+ textField.setHeight(event.getHeight() - 4);
+ textField.reflow();
+ return;
+ }
+
+ // Pass to children instead
+ for (TWidget widget: getChildren()) {
+ widget.onResize(event);
+ }
+ }
+}
+
+class DemoCheckboxWindow extends TWindow {
+
+ /**
+ * Constructor.
+ */
+ DemoCheckboxWindow(TApplication parent) {
+ this(parent, CENTERED | RESIZABLE);
+ }
+
+ /**
+ * Constructor.
+ */
+ DemoCheckboxWindow(TApplication parent, int flags) {
+ // Construct a demo window. X and Y don't matter because it
+ // will be centered on screen.
+ super(parent, "Radiobuttons and Checkboxes", 0, 0, 60, 15, flags);
+
+ int row = 1;
+
+ // Add some widgets
+ addLabel("Check box example 1", 1, row);
+ addCheckbox(35, row++, "Checkbox 1", false);
+ addLabel("Check box example 2", 1, row);
+ addCheckbox(35, row++, "Checkbox 2", true);
+ row += 2;
+
+ TRadioGroup group = addRadioGroup(1, row, "Group 1");
+ group.addRadioButton("Radio option 1");
+ group.addRadioButton("Radio option 2");
+ group.addRadioButton("Radio option 3");
+
+ addButton("&Close Window", (getWidth() - 14) / 2, getHeight() - 4,
+ new TAction() {
+ public void DO() {
+ DemoCheckboxWindow.this.getApplication().closeWindow(DemoCheckboxWindow.this);
+ }
+ }
+ );
+ }
+
+}
+
+
+class DemoMsgBoxWindow extends TWindow {
+ /*
+ private void openYNCMessageBox() {
+ application.messageBox("Yes/No/Cancel MessageBox",
+ q"EOS
+This is an example of a Yes/No/Cancel MessageBox.
+
+Note that the MessageBox text can span multiple
+lines.
+
+The default result (if someone hits the top-left
+close button) is CANCEL.
+EOS",
+ TMessageBox.Type.YESNOCANCEL);
+ }
+
+ private void openYNMessageBox() {
+ application.messageBox("Yes/No MessageBox",
+ q"EOS
+This is an example of a Yes/No MessageBox.
+
+Note that the MessageBox text can span multiple
+lines.
+
+The default result (if someone hits the top-left
+close button) is NO.
+EOS",
+ TMessageBox.Type.YESNO);
+ }
+
+ private void openOKCMessageBox() {
+ application.messageBox("OK/Cancel MessageBox",
+ q"EOS
+This is an example of a OK/Cancel MessageBox.
+
+Note that the MessageBox text can span multiple
+lines.
+
+The default result (if someone hits the top-left
+close button) is CANCEL.
+EOS",
+ TMessageBox.Type.OKCANCEL);
+ }
+
+ private void openOKMessageBox() {
+ application.messageBox("OK MessageBox",
+ q"EOS
+This is an example of a OK MessageBox. This is the
+default MessageBox.
+
+Note that the MessageBox text can span multiple
+lines.
+
+The default result (if someone hits the top-left
+close button) is OK.
+EOS",
+ TMessageBox.Type.OK);
+ }
+
+ */
+
+ /**
+ * Constructor.
+ */
+ DemoMsgBoxWindow(final TApplication parent) {
+ this(parent, TWindow.CENTERED | TWindow.RESIZABLE);
+ }
+
+ /**
+ * Constructor.
+ */
+ DemoMsgBoxWindow(final TApplication parent, final int flags) {
+ // Construct a demo window. X and Y don't matter because it
+ // will be centered on screen.
+ super(parent, "Message Boxes", 0, 0, 60, 15, flags);
+ /*
+ uint row = 1;
+
+ // Add some widgets
+ addLabel("Default OK message box", 1, row);
+ addButton("Open O&K MB", 35, row, &openOKMessageBox);
+ row += 2;
+
+ addLabel("OK/Cancel message box", 1, row);
+ addButton("O&pen OKC MB", 35, row, &openOKCMessageBox);
+ row += 2;
+
+ addLabel("Yes/No message box", 1, row);
+ addButton("Open &YN MB", 35, row, &openYNMessageBox);
+ row += 2;
+
+ addLabel("Yes/No/Cancel message box", 1, row);
+ addButton("Ope&n YNC MB", 35, row, &openYNCMessageBox);
+ row += 2;
+
+ addLabel("Input box", 1, row);
+ addButton("Open &input box", 35, row,
+ {
+ application.inputBox("Input Box",
+ q"EOS
+This is an example of an InputBox.
+
+Note that the InputBox text can span multiple
+lines.
+EOS",
+ "some input text");
+ }
+ );
+
+ addButton("&Close Window", (width - 14) / 2, height - 4,
+ {
+ application.closeWindow(this);
+ }
+ );
+ */
+ }
+}
+
+
+class DemoMainWindow extends TWindow {
+
+ // Timer that increments a number.
+ private TTimer timer;
+
+ // Timer label is updated with timer ticks.
+ TLabel timerLabel;
+
+ /*
+ // The modal window is a more low-level example of controlling a window
+ // "from the outside". Most windows will probably subclass TWindow and
+ // do this kind of logic on their own.
+ private TWindow modalWindow;
+ private void openModalWindow() {
+ modalWindow = application.addWindow("Demo Modal Window", 0, 0,
+ 58, 15, TWindow.Flag.MODAL);
+ modalWindow.addLabel("This is an example of a very braindead modal window.", 1, 1);
+ modalWindow.addLabel("Modal windows are centered by default.", 1, 2);
+ modalWindow.addButton("&Close", (modalWindow.width - 8)/2,
+ modalWindow.height - 4, &modalWindowClose);
+ }
+ private void modalWindowClose() {
+ application.closeWindow(modalWindow);
+ }
+ */
+
+ /**
+ * We need to override onClose so that the timer will no longer be called
+ * after we close the window. TTimers currently are completely unaware
+ * of the rest of the UI classes.
+ */
+ @Override
+ public void onClose() {
+ getApplication().removeTimer(timer);
+ }
+
+ /**
+ * Construct demo window. It will be centered on screen.
+ */
+ public DemoMainWindow(TApplication parent) {
+ this(parent, CENTERED | RESIZABLE);
+ }
+
+ int timerI = 0;
+ TProgressBar progressBar;
+
+ /**
+ * Constructor.
+ */
+ private DemoMainWindow(TApplication parent, int flags) {
+ // Construct a demo window. X and Y don't matter because it will be
+ // centered on screen.
+ super(parent, "Demo Window", 0, 0, 60, 23, flags);
+
+ int row = 1;
+
+ // Add some widgets
+ if (!isModal()) {
+ addLabel("Message Boxes", 1, row);
+ addButton("&MessageBoxes", 35, row,
+ new TAction() {
+ public void DO() {
+ new DemoMsgBoxWindow(getApplication());
+ }
+ }
+ );
+ }
+ row += 2;
+
+ addLabel("Open me as modal", 1, row);
+ addButton("W&indow", 35, row,
+ new TAction() {
+ public void DO() {
+ new DemoMainWindow(getApplication(), MODAL);
+ }
+ }
+ );
+
+ row += 2;
+
+ addLabel("Variable-width text field:", 1, row);
+ addField(35, row++, 15, false, "Field text");
+
+ addLabel("Fixed-width text field:", 1, row);
+ addField(35, row, 15, true);
+ row += 2;
+
+ if (!isModal()) {
+ addLabel("Radio buttons and checkboxes", 1, row);
+ addButton("&Checkboxes", 35, row,
+ new TAction() {
+ public void DO() {
+ new DemoCheckboxWindow(getApplication());
+ }
+ }
+ );
+ }
+ row += 2;
+
+ /*
+ if (!isModal()) {
+ addLabel("Editor window", 1, row);
+ addButton("Edito&r", 35, row,
+ {
+ new TEditor(application, 0, 0, 60, 15);
+ }
+ );
+ }
+ row += 2;
+ */
+
+ if (!isModal()) {
+ addLabel("Text areas", 1, row);
+ addButton("&Text", 35, row,
+ new TAction() {
+ public void DO() {
+ new DemoTextWindow(getApplication());
+ }
+ }
+ );
+ }
+ row += 2;
+
+ /*
+ if (!isModal()) {
+ addLabel("Tree views", 1, row);
+ addButton("Tree&View", 35, row,
+ {
+ new DemoTreeViewWindow(application);
+ }
+ );
+ }
+ row += 2;
+
+ if (!isModal()) {
+ addLabel("Terminal", 1, row);
+ addButton("Termi&nal", 35, row,
+ {
+ application.openTerminal(0, 0);
+ }
+ );
+ }
+ row += 2;
+ */
+
+ progressBar = addProgressBar(1, row, 22, 0);
+ row++;
+ timerLabel = addLabel("Timer", 1, row);
+ timer = getApplication().addTimer(100, true,
+ new TAction() {
+
+ public void DO() {
+ timerLabel.setText(String.format("Timer: %d", timerI));
+ timerLabel.setWidth(timerLabel.getText().length());
+ if (timerI < 100) {
+ timerI++;
+ }
+ progressBar.setValue(timerI);
+ DemoMainWindow.this.setRepaint();
+ }
+ }
+ );
+ }
+}