import jexer.bits.Cell;
import jexer.bits.CellAttributes;
import jexer.bits.ColorTheme;
+import jexer.bits.StringUtils;
import jexer.event.TCommandEvent;
import jexer.event.TInputEvent;
import jexer.event.TKeypressEvent;
*/
private volatile WidgetEventHandler secondaryEventHandler;
+ /**
+ * The screen handler thread.
+ */
+ private volatile ScreenHandler screenHandler;
+
/**
* The widget receiving events from the secondary event handler thread.
*/
* constant. Someday it would be nice to have a multi-line menu or
* toolbars.
*/
- private static final int desktopTop = 1;
+ private int desktopTop = 1;
/**
* Y coordinate of the bottom edge of the desktop.
*/
private boolean focusFollowsMouse = false;
+ /**
+ * If true, display a text-based mouse cursor.
+ */
+ private boolean textMouse = true;
+
+ /**
+ * If true, hide the mouse after typing a keystroke.
+ */
+ private boolean hideMouseWhenTyping = false;
+
+ /**
+ * If true, the mouse should not be displayed because a keystroke was
+ * typed.
+ */
+ private boolean typingHidMouse = false;
+
+ /**
+ * If true, hide the status bar.
+ */
+ private boolean hideStatusBar = false;
+
+ /**
+ * If true, hide the menu bar.
+ */
+ private boolean hideMenuBar = false;
+
/**
* The list of commands to run before the next I/O check.
*/
private List<Runnable> invokeLaters = new LinkedList<Runnable>();
+ /**
+ * The last time the screen was resized.
+ */
+ private long screenResizeTime = 0;
+
/**
* WidgetEventHandler is the main event consumer loop. There are at most
* two such threads in existence: the primary for normal case and a
}
}
+ /**
+ * ScreenHandler pushes screen updates to the physical device.
+ */
+ private class ScreenHandler implements Runnable {
+ /**
+ * The main application.
+ */
+ private TApplication application;
+
+ /**
+ * The dirty flag.
+ */
+ private boolean dirty = false;
+
+ /**
+ * Public constructor.
+ *
+ * @param application the main application
+ */
+ public ScreenHandler(final TApplication application) {
+ this.application = application;
+ }
+
+ /**
+ * The screen update loop.
+ */
+ public void run() {
+ // Wrap everything in a try, so that if we go belly up we can let
+ // the user have their terminal back.
+ try {
+ runImpl();
+ } catch (Throwable t) {
+ this.application.restoreConsole();
+ t.printStackTrace();
+ this.application.exit();
+ }
+ }
+
+ /**
+ * The update loop.
+ */
+ private void runImpl() {
+
+ // Loop forever
+ while (!application.quit) {
+
+ // Wait until application notifies me
+ while (!application.quit) {
+ try {
+ synchronized (this) {
+ if (dirty) {
+ dirty = false;
+ break;
+ }
+
+ // Always check within 50 milliseconds.
+ this.wait(50);
+ }
+ } catch (InterruptedException e) {
+ // SQUASH
+ }
+ } // while (!application.quit)
+
+ // Flush the screen contents
+ if (debugThreads) {
+ System.err.printf("%d %s backend.flushScreen()\n",
+ System.currentTimeMillis(), Thread.currentThread());
+ }
+ synchronized (getScreen()) {
+ backend.flushScreen();
+ }
+ } // while (true) (main runnable loop)
+
+ // Shutdown the user I/O thread(s)
+ backend.shutdown();
+ }
+
+ /**
+ * Set the dirty flag.
+ */
+ public void setDirty() {
+ synchronized (this) {
+ dirty = true;
+ }
+ }
+
+ }
+
// ------------------------------------------------------------------------
// Constructors -----------------------------------------------------------
// ------------------------------------------------------------------------
* Finish construction once the backend is set.
*/
private void TApplicationImpl() {
+ // Text block mouse option
+ if (System.getProperty("jexer.textMouse", "true").equals("false")) {
+ textMouse = false;
+ }
+
+ // Hide mouse when typing option
+ if (System.getProperty("jexer.hideMouseWhenTyping",
+ "false").equals("true")) {
+
+ hideMouseWhenTyping = true;
+ }
+
+ // Hide status bar option
+ if (System.getProperty("jexer.hideStatusBar",
+ "false").equals("true")) {
+ hideStatusBar = true;
+ }
+
+ // Hide menu bar option
+ if (System.getProperty("jexer.hideMenuBar", "false").equals("true")) {
+ hideMenuBar = true;
+ }
+
theme = new ColorTheme();
- desktopBottom = getScreen().getHeight() - 1;
+ desktopTop = (hideMenuBar ? 0 : 1);
+ desktopBottom = getScreen().getHeight() - 1 + (hideStatusBar ? 1 : 0);
fillEventQueue = new LinkedList<TInputEvent>();
drainEventQueue = new LinkedList<TInputEvent>();
windows = new LinkedList<TWindow>();
);
}
}
+
}
// ------------------------------------------------------------------------
public void run() {
// System.err.println("*** TApplication.run() begins ***");
+ // Start the screen updater thread
+ screenHandler = new ScreenHandler(this);
+ (new Thread(screenHandler)).start();
+
// Start the main consumer thread
primaryEventHandler = new WidgetEventHandler(this, true);
(new Thread(primaryEventHandler)).start();
}
}
- // Shutdown the user I/O thread(s)
- backend.shutdown();
-
// Close all the windows. This gives them an opportunity to release
// resources.
closeAllWindows();
+ // Close the desktop.
+ if (desktop != null) {
+ setDesktop(null);
+ }
+
// Give the overarching application an opportunity to release
// resources.
onExit();
return true;
}
- if (command.equals(cmMenu)) {
+ if (command.equals(cmMenu) && (hideMenuBar == false)) {
if (!modalWindowActive() && (activeMenu == null)) {
if (menus.size() > 0) {
menus.get(0).setActive(true);
openImage();
return true;
}
- if (menu.getId() == TMenu.MID_CHANGE_FONT) {
+ if (menu.getId() == TMenu.MID_SCREEN_OPTIONS) {
new TFontChooserWindow(this);
return true;
}
&& !keypress.getKey().isCtrl()
&& (activeMenu == null)
&& !modalWindowActive()
+ && (hideMenuBar == false)
) {
assert (subMenus.size() == 0);
drawAll();
}
+ // Wake up the screen repainter
+ wakeScreenHandler();
+
if (debugThreads) {
System.err.printf(System.currentTimeMillis() + " " +
Thread.currentThread() + " finishEventProcessing() END\n");
if (event instanceof TResizeEvent) {
TResizeEvent resize = (TResizeEvent) event;
synchronized (getScreen()) {
- getScreen().setDimensions(resize.getWidth(),
- resize.getHeight());
+ if ((System.currentTimeMillis() - screenResizeTime >= 15)
+ || (resize.getWidth() < getScreen().getWidth())
+ || (resize.getHeight() < getScreen().getHeight())
+ ) {
+ getScreen().setDimensions(resize.getWidth(),
+ resize.getHeight());
+ screenResizeTime = System.currentTimeMillis();
+ }
desktopBottom = getScreen().getHeight() - 1;
+ if (hideStatusBar) {
+ desktopBottom++;
+ }
mouseX = 0;
mouseY = 0;
oldMouseX = 0;
oldMouseY = 0;
}
if (desktop != null) {
- desktop.setDimensions(0, 0, resize.getWidth(),
- resize.getHeight() - 1);
+ desktop.setDimensions(0, desktopTop, resize.getWidth(),
+ (desktopBottom - desktopTop));
desktop.onResize(resize);
}
// Special application-wide events -----------------------------------
+ if (event instanceof TKeypressEvent) {
+ if (hideMouseWhenTyping) {
+ typingHidMouse = true;
+ }
+ }
+
// Peek at the mouse position
if (event instanceof TMouseEvent) {
+ typingHidMouse = false;
+
TMouseEvent mouse = (TMouseEvent) event;
if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) {
oldMouseX = mouseX;
}
} else if (event instanceof TKeypressEvent) {
dispatchToDesktop = false;
+ } else if (event instanceof TMenuEvent) {
+ dispatchToDesktop = false;
}
if (debugEvents) {
// Peek at the mouse position
if (event instanceof TMouseEvent) {
+ typingHidMouse = false;
+
TMouseEvent mouse = (TMouseEvent) event;
if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) {
oldMouseX = mouseX;
}
}
+ /**
+ * Wake the sleeping screen handler.
+ */
+ private void wakeScreenHandler() {
+ if (!started) {
+ return;
+ }
+
+ synchronized (screenHandler) {
+ screenHandler.notify();
+ }
+ }
+
// ------------------------------------------------------------------------
// TApplication -----------------------------------------------------------
// ------------------------------------------------------------------------
*/
public final void setDesktop(final TDesktop desktop) {
if (this.desktop != null) {
+ this.desktop.onPreClose();
+ this.desktop.onUnfocus();
this.desktop.onClose();
}
this.desktop = desktop;
}
}
+ // If this cell is on top of the desktop, and the desktop has
+ // requested a hidden mouse, bail out.
+ if ((desktop != null) && (activeWindow == null) && (activeMenu == null)) {
+ if ((desktop.hasHiddenMouse() == true)
+ && (x > desktop.getX())
+ && (x < desktop.getX() + desktop.getWidth() - 1)
+ && (y > desktop.getY())
+ && (y < desktop.getY() + desktop.getHeight() - 1)
+ ) {
+ return;
+ }
+ }
+
Cell cell = getScreen().getCharXY(x, y);
if (cell.isImage()) {
cell.invertImage();
+ }
+ if (cell.getForeColorRGB() < 0) {
+ cell.setForeColor(cell.getForeColor().invert());
} else {
- if (cell.getForeColorRGB() < 0) {
- cell.setForeColor(cell.getForeColor().invert());
- } else {
- cell.setForeColorRGB(cell.getForeColorRGB() ^ 0x00ffffff);
- }
- if (cell.getBackColorRGB() < 0) {
- cell.setBackColor(cell.getBackColor().invert());
- } else {
- cell.setBackColorRGB(cell.getBackColorRGB() ^ 0x00ffffff);
- }
+ cell.setForeColorRGB(cell.getForeColorRGB() ^ 0x00ffffff);
+ }
+ if (cell.getBackColorRGB() < 0) {
+ cell.setBackColor(cell.getBackColor().invert());
+ } else {
+ cell.setBackColorRGB(cell.getBackColorRGB() ^ 0x00ffffff);
}
getScreen().putCharXY(x, y, cell);
if ((onlyThisCell == true) || (cell.getWidth() == Cell.Width.SINGLE)) {
}
}
}
- assert (cell.getWidth() == Cell.Width.RIGHT);
-
- if (x > 0) {
- Cell leftHalf = getScreen().getCharXY(x - 1, y);
- if (leftHalf.getWidth() == Cell.Width.LEFT) {
- invertCell(x - 1, y, true);
+ if (cell.getWidth() == Cell.Width.RIGHT) {
+ if (x > 0) {
+ Cell leftHalf = getScreen().getCharXY(x - 1, y);
+ if (leftHalf.getWidth() == Cell.Width.LEFT) {
+ invertCell(x - 1, y, true);
+ }
}
}
}
}
}
- // Draw mouse at the new position.
- invertCell(mouseX, mouseY);
+ if ((textMouse == true) && (typingHidMouse == false)) {
+ // Draw mouse at the new position.
+ invertCell(mouseX, mouseY);
+ }
oldDrawnMouseX = mouseX;
oldDrawnMouseY = mouseY;
}
if (getScreen().isDirty()) {
- backend.flushScreen();
+ screenHandler.setDirty();
}
return;
}
}
}
- // Draw the blank menubar line - reset the screen clipping first so
- // it won't trim it out.
- getScreen().resetClipping();
- getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ',
- theme.getColor("tmenu"));
- // Now draw the menus.
- int x = 1;
- for (TMenu menu: menus) {
- CellAttributes menuColor;
- CellAttributes menuMnemonicColor;
- if (menu.isActive()) {
- menuIsActive = true;
- menuColor = theme.getColor("tmenu.highlighted");
- menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted");
- topLevel = menu;
- } else {
- menuColor = theme.getColor("tmenu");
- menuMnemonicColor = theme.getColor("tmenu.mnemonic");
- }
- // Draw the menu title
- getScreen().hLineXY(x, 0, menu.getTitle().length() + 2, ' ',
- menuColor);
- getScreen().putStringXY(x + 1, 0, menu.getTitle(), menuColor);
- // Draw the highlight character
- getScreen().putCharXY(x + 1 + menu.getMnemonic().getShortcutIdx(),
- 0, menu.getMnemonic().getShortcut(), menuMnemonicColor);
-
- if (menu.isActive()) {
- ((TWindow) menu).drawChildren();
- // Reset the screen clipping so we can draw the next title.
- getScreen().resetClipping();
- }
- x += menu.getTitle().length() + 2;
- }
+ if (hideMenuBar == false) {
- for (TMenu menu: subMenus) {
- // Reset the screen clipping so we can draw the next sub-menu.
+ // Draw the blank menubar line - reset the screen clipping first
+ // so it won't trim it out.
getScreen().resetClipping();
- ((TWindow) menu).drawChildren();
+ getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ',
+ theme.getColor("tmenu"));
+ // Now draw the menus.
+ int x = 1;
+ for (TMenu menu: menus) {
+ CellAttributes menuColor;
+ CellAttributes menuMnemonicColor;
+ if (menu.isActive()) {
+ menuIsActive = true;
+ menuColor = theme.getColor("tmenu.highlighted");
+ menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted");
+ topLevel = menu;
+ } else {
+ menuColor = theme.getColor("tmenu");
+ menuMnemonicColor = theme.getColor("tmenu.mnemonic");
+ }
+ // Draw the menu title
+ getScreen().hLineXY(x, 0,
+ StringUtils.width(menu.getTitle()) + 2, ' ', menuColor);
+ getScreen().putStringXY(x + 1, 0, menu.getTitle(), menuColor);
+ // Draw the highlight character
+ getScreen().putCharXY(x + 1 +
+ menu.getMnemonic().getScreenShortcutIdx(),
+ 0, menu.getMnemonic().getShortcut(), menuMnemonicColor);
+
+ if (menu.isActive()) {
+ ((TWindow) menu).drawChildren();
+ // Reset the screen clipping so we can draw the next
+ // title.
+ getScreen().resetClipping();
+ }
+ x += StringUtils.width(menu.getTitle()) + 2;
+ }
+
+ for (TMenu menu: subMenus) {
+ // Reset the screen clipping so we can draw the next
+ // sub-menu.
+ getScreen().resetClipping();
+ ((TWindow) menu).drawChildren();
+ }
}
getScreen().resetClipping();
- // Draw the status bar of the top-level window
- TStatusBar statusBar = null;
- if (topLevel != null) {
- statusBar = topLevel.getStatusBar();
- }
- if (statusBar != null) {
- getScreen().resetClipping();
- statusBar.setWidth(getScreen().getWidth());
- statusBar.setY(getScreen().getHeight() - topLevel.getY());
- statusBar.draw();
- } else {
- CellAttributes barColor = new CellAttributes();
- barColor.setTo(getTheme().getColor("tstatusbar.text"));
- getScreen().hLineXY(0, desktopBottom, getScreen().getWidth(), ' ',
- barColor);
+ if (hideStatusBar == false) {
+ // Draw the status bar of the top-level window
+ TStatusBar statusBar = null;
+ if (topLevel != null) {
+ statusBar = topLevel.getStatusBar();
+ }
+ if (statusBar != null) {
+ getScreen().resetClipping();
+ statusBar.setWidth(getScreen().getWidth());
+ statusBar.setY(getScreen().getHeight() - topLevel.getY());
+ statusBar.draw();
+ } else {
+ CellAttributes barColor = new CellAttributes();
+ barColor.setTo(getTheme().getColor("tstatusbar.text"));
+ getScreen().hLineXY(0, desktopBottom, getScreen().getWidth(),
+ ' ', barColor);
+ }
}
// Draw the mouse pointer
getScreen().unsetImageRow(mouseY);
}
}
- invertCell(mouseX, mouseY);
+ if ((textMouse == true) && (typingHidMouse == false)) {
+ invertCell(mouseX, mouseY);
+ }
oldDrawnMouseX = mouseX;
oldDrawnMouseY = mouseY;
// Place the cursor if it is visible
if (!menuIsActive) {
+
+ int visibleWindowCount = 0;
+ for (TWindow window: sorted) {
+ if (window.isShown()) {
+ visibleWindowCount++;
+ }
+ }
+ if (visibleWindowCount == 0) {
+ // No windows are visible, only the desktop. Allow it to
+ // have the cursor.
+ if (desktop != null) {
+ sorted.add(desktop);
+ }
+ }
+
TWidget activeWidget = null;
if (sorted.size() > 0) {
activeWidget = sorted.get(sorted.size() - 1).getActiveChild();
+ int cursorClipTop = desktopTop;
+ int cursorClipBottom = desktopBottom;
if (activeWidget.isCursorVisible()) {
- if ((activeWidget.getCursorAbsoluteY() < desktopBottom)
- && (activeWidget.getCursorAbsoluteY() > desktopTop)
+ if ((activeWidget.getCursorAbsoluteY() <= cursorClipBottom)
+ && (activeWidget.getCursorAbsoluteY() >= cursorClipTop)
) {
getScreen().putCursor(true,
activeWidget.getCursorAbsoluteX(),
getScreen().hideCursor();
}
- // Flush the screen contents
if (getScreen().isDirty()) {
- if (debugThreads) {
- System.err.printf("%d %s backend.flushScreen()\n",
- System.currentTimeMillis(), Thread.currentThread());
- }
- backend.flushScreen();
+ screenHandler.setDirty();
}
-
repaint = false;
}
assert (!window.isActive());
if (activeWindow != null) {
- // TODO: see if this assertion is really necessary.
- // assert (activeWindow.getZ() == 0);
-
activeWindow.setActive(false);
// Increment every window Z that is on top of window
if (((window.flags & TWindow.CENTERED) == 0)
&& ((window.flags & TWindow.ABSOLUTEXY) == 0)
&& (smartWindowPlacement == true)
+ && (!(window instanceof TDesktop))
) {
doSmartPlacement(window);
&& (!modalWindowActive())
&& (!overrideMenuWindowActive())
&& (mouse.getAbsoluteY() == 0)
+ && (hideMenuBar == false)
) {
for (TMenu menu: subMenus) {
for (TMenu menu: menus) {
if ((mouse.getAbsoluteX() >= menu.getTitleX())
&& (mouse.getAbsoluteX() < menu.getTitleX()
- + menu.getTitle().length() + 2)
+ + StringUtils.width(menu.getTitle()) + 2)
) {
menu.setActive(true);
activeMenu = menu;
&& (mouse.isMouse1())
&& (activeMenu != null)
&& (mouse.getAbsoluteY() == 0)
+ && (hideMenuBar == false)
) {
TMenu oldMenu = activeMenu;
for (TMenu menu: menus) {
if ((mouse.getAbsoluteX() >= menu.getTitleX())
&& (mouse.getAbsoluteX() < menu.getTitleX()
- + menu.getTitle().length() + 2)
+ + StringUtils.width(menu.getTitle()) + 2)
) {
menu.setActive(true);
activeMenu = menu;
*/
public final void switchMenu(final boolean forward) {
assert (activeMenu != null);
+ assert (hideMenuBar == false);
for (TMenu menu: subMenus) {
menu.setActive(false);
for (TMenu menu: menus) {
menu.setX(x);
menu.setTitleX(x);
- x += menu.getTitle().length() + 2;
+ x += StringUtils.width(menu.getTitle()) + 2;
// Don't let the menu window exceed the screen width
int rightEdge = menu.getX() + menu.getWidth();
TMenu toolMenu = addMenu(i18n.getString("toolMenuTitle"));
toolMenu.addDefaultItem(TMenu.MID_REPAINT);
toolMenu.addDefaultItem(TMenu.MID_VIEW_IMAGE);
- toolMenu.addDefaultItem(TMenu.MID_CHANGE_FONT);
+ toolMenu.addDefaultItem(TMenu.MID_SCREEN_OPTIONS);
TStatusBar toolStatusBar = toolMenu.newStatusBar(i18n.
getString("toolMenuStatus"));
toolStatusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));