import jexer.backend.Backend;
import jexer.backend.ECMA48Backend;
import jexer.io.Screen;
+import jexer.menu.TMenu;
+import jexer.menu.TMenuItem;
import static jexer.TCommand.*;
import static jexer.TKeypress.*;
/**
* Turn off the menu.
*/
- private void closeMenu() {
+ public final void closeMenu() {
if (activeMenu != null) {
activeMenu.setActive(false);
activeMenu = null;
/**
* Turn off a sub-menu.
*/
- private void closeSubMenu() {
+ public final void closeSubMenu() {
assert (activeMenu != null);
TMenu item = subMenus.get(subMenus.size() - 1);
assert (item != null);
* @param forward if true, then switch to the next menu in the list,
* otherwise switch to the previous menu in the list
*/
- private void switchMenu(final boolean forward) {
+ public final void switchMenu(final boolean forward) {
assert (activeMenu != null);
for (TMenu menu: subMenus) {
return false;
}
+ /**
+ * Add a keyboard accelerator to the global hash.
+ *
+ * @param item menu item this accelerator relates to
+ * @param keypress keypress that will dispatch a TMenuEvent
+ */
+ public final void addAccelerator(final TMenuItem item,
+ final TKeypress keypress) {
+ /*
+ TODO
+ assert((keypress in accelerators) is null);
+ accelerators[keypress] = item;
+ */
+ }
+
+ /**
+ * Recompute menu x positions based on their title length.
+ */
+ public final void recomputeMenuX() {
+ int x = 0;
+ for (TMenu menu: menus) {
+ menu.setX(x);
+ x += menu.getTitle().length() + 2;
+ }
+ }
+
+ /**
+ * Post an event to process and turn off the menu.
+ *
+ * @param event new event to add to the queue
+ */
+ public final void addMenuEvent(final TInputEvent event) {
+ /*
+ TODO - synchronize correctly
+ eventQueue ~= event;
+ */
+ closeMenu();
+ }
+
+ /**
+ * Add a sub-menu to the list of open sub-menus.
+ *
+ * @param menu sub-menu
+ */
+ public final void addSubMenu(final TMenu menu) {
+ subMenus.add(menu);
+ }
+
}
+++ /dev/null
-/**
- * Jexer - Java Text User Interface
- *
- * License: LGPLv3 or later
- *
- * This module is licensed under the GNU Lesser General Public License
- * Version 3. Please see the file "COPYING" in this directory for more
- * information about the GNU Lesser General Public License Version 3.
- *
- * Copyright (C) 2015 Kevin Lamonte
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 3 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see
- * http://www.gnu.org/licenses/, or write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- * @author Kevin Lamonte [kevin.lamonte@gmail.com]
- * @version 1
- */
-package jexer;
-
-import jexer.bits.MnemonicString;
-
-/**
- * TMenu is a top-level collection of TMenuItems.
- */
-public class TMenu extends TWindow {
-
- /**
- * If true, this is a sub-menu.
- */
- private boolean isSubMenu = false;
-
- /**
- * The shortcut and title.
- */
- private MnemonicString mnemonic;
-
- /**
- * Get the mnemonic string.
- *
- * @return the full mnemonic string
- */
- public final MnemonicString getMnemonic() {
- return mnemonic;
- }
-
- // Reserved menu item IDs
- public static final int MID_UNUSED = -1;
-
- // File menu
- public static final int MID_EXIT = 1;
- public static final int MID_QUIT = MID_EXIT;
- public static final int MID_OPEN_FILE = 2;
- public static final int MID_SHELL = 3;
-
- // Edit menu
- public static final int MID_CUT = 10;
- public static final int MID_COPY = 11;
- public static final int MID_PASTE = 12;
- public static final int MID_CLEAR = 13;
-
- // Window menu
- public static final int MID_TILE = 20;
- public static final int MID_CASCADE = 21;
- public static final int MID_CLOSE_ALL = 22;
- public static final int MID_WINDOW_MOVE = 23;
- public static final int MID_WINDOW_ZOOM = 24;
- public static final int MID_WINDOW_NEXT = 25;
- public static final int MID_WINDOW_PREVIOUS = 26;
- public static final int MID_WINDOW_CLOSE = 27;
-
- /**
- * Public constructor.
- *
- * @param parent parent application
- * @param x column relative to parent
- * @param y row relative to parent
- * @param label mnemonic menu title. Label must contain a keyboard
- * shortcut (mnemonic), denoted by prefixing a letter with "&",
- * e.g. "&File"
- */
- public TMenu(final TApplication parent, final int x, final int y,
- final String label) {
-
- super(parent, label, x, y, parent.getScreen().getWidth(),
- parent.getScreen().getHeight());
-
- // My parent constructor added me as a window, get rid of that
- parent.closeWindow(this);
-
- // Setup the menu shortcut
- mnemonic = new MnemonicString(label);
- setTitle(mnemonic.getRawLabel());
- assert (mnemonic.getShortcutIdx() >= 0);
-
- // Recompute width and height to reflect an empty menu
- setWidth(getTitle().length() + 4);
- setHeight(2);
-
- setActive(false);
- }
-
-}
import java.util.List;
import java.util.LinkedList;
+import jexer.bits.ColorTheme;
import jexer.event.TCommandEvent;
import jexer.event.TInputEvent;
import jexer.event.TKeypressEvent;
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
import jexer.io.Screen;
+import jexer.menu.TMenu;
import static jexer.TKeypress.*;
/**
*/
private TWidget parent = null;
+ /**
+ * Get parent widget.
+ *
+ * @return parent widget
+ */
+ public final TWidget getParent() {
+ return parent;
+ }
+
/**
* Backdoor access for TWindow's constructor. ONLY TWindow USES THIS.
*
this.height = height;
}
+ /**
+ * Request full repaint on next screen refresh.
+ */
+ protected final void setRepaint() {
+ window.getApplication().setRepaint();
+ }
+
+ /**
+ * Get this TWidget's parent TApplication.
+ *
+ * @return the parent TApplication
+ */
+ public TApplication getApplication() {
+ return window.getApplication();
+ }
+
+ /**
+ * Get the Screen.
+ *
+ * @return the Screen
+ */
+ public Screen getScreen() {
+ return window.getScreen();
+ }
+
/**
* Child widgets that this widget contains.
*/
private List<TWidget> children;
+ /**
+ * Get the list of child widgets that this widget contains.
+ *
+ * @return the list of child widgets
+ */
+ public List<TWidget> getChildren() {
+ return children;
+ }
+
/**
* The currently active child widget that will receive keypress events.
*/
*
* @param active if true, this widget will receive events
*/
- public final void setActive(boolean active) {
+ public final void setActive(final boolean active) {
this.active = active;
}
return parent.getAbsoluteY() + y;
}
+ /**
+ * Get the global color theme.
+ *
+ * @return the ColorTheme
+ */
+ public final ColorTheme getTheme() {
+ return window.getApplication().getTheme();
+ }
+
/**
* Draw my specific widget. When called, the screen rectangle I draw
* into is already setup (offset and clipping).
*
* @return widget that is active, or this if no children
*/
- public final TWidget getActiveChild() {
+ public TWidget getActiveChild() {
if ((this instanceof THScroller)
|| (this instanceof TVScroller)
) {
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
import jexer.io.Screen;
+import jexer.menu.TMenu;
import static jexer.TCommand.*;
import static jexer.TKeypress.*;
*
* @return this TWindow's parent TApplication
*/
+ @Override
public final TApplication getApplication() {
return application;
}
*
* @return the Screen
*/
+ @Override
public final Screen getScreen() {
return application.getScreen();
}
/**
* Remember mouse state.
*/
- private TMouseEvent mouse;
+ protected TMouseEvent mouse;
// For moving the window. resizing also uses moveWindowMouseX/Y
private int moveWindowMouseX;
*
* @return the background color
*/
- private final CellAttributes getBackground() {
+ private CellAttributes getBackground() {
if (!isModal()
&& (inWindowMove || inWindowResize || inKeyboardResize)
) {
assert (getActive());
- return application.getTheme().getColor("twindow.background.windowmove");
+ return getTheme().getColor("twindow.background.windowmove");
} else if (isModal() && inWindowMove) {
assert (getActive());
- return application.getTheme().getColor("twindow.background.modal");
+ return getTheme().getColor("twindow.background.modal");
} else if (isModal()) {
if (getActive()) {
- return application.getTheme().getColor("twindow.background.modal");
+ return getTheme().getColor("twindow.background.modal");
}
- return application.getTheme().getColor("twindow.background.modal.inactive");
+ return getTheme().getColor("twindow.background.modal.inactive");
} else if (getActive()) {
assert (!isModal());
- return application.getTheme().getColor("twindow.background");
+ return getTheme().getColor("twindow.background");
} else {
assert (!isModal());
- return application.getTheme().getColor("twindow.background.inactive");
+ return getTheme().getColor("twindow.background.inactive");
}
}
*
* @return the border color
*/
- private final CellAttributes getBorder() {
+ private CellAttributes getBorder() {
if (!isModal()
&& (inWindowMove || inWindowResize || inKeyboardResize)
) {
assert (getActive());
- return application.getTheme().getColor("twindow.border.windowmove");
+ return getTheme().getColor("twindow.border.windowmove");
} else if (isModal() && inWindowMove) {
assert (getActive());
- return application.getTheme().getColor("twindow.border.modal.windowmove");
+ return getTheme().getColor("twindow.border.modal.windowmove");
} else if (isModal()) {
if (getActive()) {
- return application.getTheme().getColor("twindow.border.modal");
+ return getTheme().getColor("twindow.border.modal");
} else {
- return application.getTheme().getColor("twindow.border.modal.inactive");
+ return getTheme().getColor("twindow.border.modal.inactive");
}
} else if (getActive()) {
assert (!isModal());
- return application.getTheme().getColor("twindow.border");
+ return getTheme().getColor("twindow.border");
} else {
assert (!isModal());
- return application.getTheme().getColor("twindow.border.inactive");
+ return getTheme().getColor("twindow.border.inactive");
}
}
*
* @return the border line type
*/
- private final int getBorderType() {
+ private int getBorderType() {
if (!isModal()
&& (inWindowMove || inWindowResize || inKeyboardResize)
) {
if (mouseOnClose() && mouse.getMouse1()) {
putCharXY(3, 0, GraphicsChars.CP437[0x0F],
!isModal()
- ? application.getTheme().getColor("twindow.border.windowmove")
- : application.getTheme().getColor("twindow.border.modal.windowmove"));
+ ? getTheme().getColor("twindow.border.windowmove")
+ : getTheme().getColor("twindow.border.modal.windowmove"));
} else {
putCharXY(3, 0, GraphicsChars.CP437[0xFE],
!isModal()
- ? application.getTheme().getColor("twindow.border.windowmove")
- : application.getTheme().getColor("twindow.border.modal.windowmove"));
+ ? getTheme().getColor("twindow.border.windowmove")
+ : getTheme().getColor("twindow.border.modal.windowmove"));
}
// Draw the maximize button
putCharXY(getWidth() - 3, 0, ']', border);
if (mouseOnMaximize() && mouse.getMouse1()) {
putCharXY(getWidth() - 4, 0, GraphicsChars.CP437[0x0F],
- application.getTheme().getColor("twindow.border.windowmove"));
+ getTheme().getColor("twindow.border.windowmove"));
} else {
if (maximized) {
putCharXY(getWidth() - 4, 0, GraphicsChars.CP437[0x12],
- application.getTheme().getColor("twindow.border.windowmove"));
+ getTheme().getColor("twindow.border.windowmove"));
} else {
putCharXY(getWidth() - 4, 0, GraphicsChars.UPARROW,
- application.getTheme().getColor("twindow.border.windowmove"));
+ getTheme().getColor("twindow.border.windowmove"));
}
}
// Draw the resize corner
if ((flags & RESIZABLE) != 0) {
- putCharXY(getWidth() - 2, getHeight() - 1, GraphicsChars.SINGLE_BAR,
- application.getTheme().getColor("twindow.border.windowmove"));
- putCharXY(getWidth() - 1, getHeight() - 1, GraphicsChars.LRCORNER,
- application.getTheme().getColor("twindow.border.windowmove"));
+ putCharXY(getWidth() - 2, getHeight() - 1,
+ GraphicsChars.SINGLE_BAR,
+ getTheme().getColor("twindow.border.windowmove"));
+ putCharXY(getWidth() - 1, getHeight() - 1,
+ GraphicsChars.LRCORNER,
+ getTheme().getColor("twindow.border.windowmove"));
}
}
}
/**
* MenuItem ID.
*/
- private short id;
+ private int id;
/**
* Get the MenuItem ID.
*
* @return the ID
*/
- public short getId() {
+ public int getId() {
return id;
}
*
* @param id the MenuItem ID
*/
- public TMenuEvent(final short id) {
+ public TMenuEvent(final int id) {
this.id = id;
}
--- /dev/null
+/**
+ * Jexer - Java Text User Interface
+ *
+ * License: LGPLv3 or later
+ *
+ * This module is licensed under the GNU Lesser General Public License
+ * Version 3. Please see the file "COPYING" in this directory for more
+ * information about the GNU Lesser General Public License Version 3.
+ *
+ * Copyright (C) 2015 Kevin Lamonte
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see
+ * http://www.gnu.org/licenses/, or write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.menu;
+
+import jexer.TApplication;
+import jexer.TKeypress;
+import jexer.TWidget;
+import jexer.TWindow;
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+import jexer.bits.MnemonicString;
+import jexer.event.TKeypressEvent;
+import jexer.event.TMouseEvent;
+import static jexer.TKeypress.*;
+
+/**
+ * TMenu is a top-level collection of TMenuItems.
+ */
+public final class TMenu extends TWindow {
+
+ /**
+ * If true, this is a sub-menu. Note package private access.
+ */
+ boolean isSubMenu = false;
+
+ /**
+ * The shortcut and title.
+ */
+ private MnemonicString mnemonic;
+
+ /**
+ * Get the mnemonic string.
+ *
+ * @return the full mnemonic string
+ */
+ public MnemonicString getMnemonic() {
+ return mnemonic;
+ }
+
+ // Reserved menu item IDs
+ public static final int MID_UNUSED = -1;
+
+ // File menu
+ public static final int MID_EXIT = 1;
+ public static final int MID_QUIT = MID_EXIT;
+ public static final int MID_OPEN_FILE = 2;
+ public static final int MID_SHELL = 3;
+
+ // Edit menu
+ public static final int MID_CUT = 10;
+ public static final int MID_COPY = 11;
+ public static final int MID_PASTE = 12;
+ public static final int MID_CLEAR = 13;
+
+ // Window menu
+ public static final int MID_TILE = 20;
+ public static final int MID_CASCADE = 21;
+ public static final int MID_CLOSE_ALL = 22;
+ public static final int MID_WINDOW_MOVE = 23;
+ public static final int MID_WINDOW_ZOOM = 24;
+ public static final int MID_WINDOW_NEXT = 25;
+ public static final int MID_WINDOW_PREVIOUS = 26;
+ public static final int MID_WINDOW_CLOSE = 27;
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent application
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param label mnemonic menu title. Label must contain a keyboard
+ * shortcut (mnemonic), denoted by prefixing a letter with "&",
+ * e.g. "&File"
+ */
+ public TMenu(final TApplication parent, final int x, final int y,
+ final String label) {
+
+ super(parent, label, x, y, parent.getScreen().getWidth(),
+ parent.getScreen().getHeight());
+
+ // My parent constructor added me as a window, get rid of that
+ parent.closeWindow(this);
+
+ // Setup the menu shortcut
+ mnemonic = new MnemonicString(label);
+ setTitle(mnemonic.getRawLabel());
+ assert (mnemonic.getShortcutIdx() >= 0);
+
+ // Recompute width and height to reflect an empty menu
+ setWidth(getTitle().length() + 4);
+ setHeight(2);
+
+ setActive(false);
+ }
+
+ /**
+ * Draw a top-level menu with title and menu items.
+ */
+ @Override
+ public void draw() {
+ CellAttributes menuColor;
+ CellAttributes background = getTheme().getColor("tmenu");
+
+ if (getAbsoluteActive()) {
+ menuColor = getTheme().getColor("tmenu.highlighted");
+ } else {
+ menuColor = getTheme().getColor("tmenu");
+ }
+
+ assert (getAbsoluteActive());
+
+ // Fill in the interior background
+ for (int i = 0; i < getHeight(); i++) {
+ hLineXY(0, i, getWidth(), ' ', background);
+ }
+
+ // Draw the box
+ char cTopLeft;
+ char cTopRight;
+ char cBottomLeft;
+ char cBottomRight;
+ char cHSide;
+
+ cTopLeft = GraphicsChars.ULCORNER;
+ cTopRight = GraphicsChars.URCORNER;
+ cBottomLeft = GraphicsChars.LLCORNER;
+ cBottomRight = GraphicsChars.LRCORNER;
+ cHSide = GraphicsChars.SINGLE_BAR;
+
+ // Place the corner characters
+ putCharXY(1, 0, cTopLeft, background);
+ putCharXY(getWidth() - 2, 0, cTopRight, background);
+ putCharXY(1, getHeight() - 1, cBottomLeft, background);
+ putCharXY(getWidth() - 2, getHeight() - 1, cBottomRight, background);
+
+ // Draw the box lines
+ hLineXY(1 + 1, 0, getWidth() - 4, cHSide, background);
+ hLineXY(1 + 1, getHeight() - 1, getWidth() - 4, cHSide, background);
+
+ // Draw a shadow
+ getScreen().drawBoxShadow(0, 0, getWidth(), getHeight());
+ }
+
+ /**
+ * Handle mouse button presses.
+ *
+ * @param mouse mouse button event
+ */
+ @Override
+ public void onMouseDown(final TMouseEvent mouse) {
+ this.mouse = mouse;
+ setRepaint();
+
+ // 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;
+ setRepaint();
+
+ // 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;
+ setRepaint();
+
+ // See if we should activate a different menu item
+ for (TWidget widget: getChildren()) {
+ if ((mouse.getMouse1())
+ && (widget.mouseWouldHit(mouse))
+ ) {
+ // Activate this menu item
+ activate(widget);
+ if (widget instanceof TSubMenu) {
+ ((TSubMenu) widget).dispatch();
+ }
+ return;
+ }
+ }
+ }
+
+ /**
+ * Handle keystrokes.
+ *
+ * @param keypress keystroke event
+ */
+ @Override
+ public void onKeypress(final TKeypressEvent keypress) {
+ if (getActiveChild() != null) {
+ if (getActiveChild() instanceof TSubMenu) {
+ getActiveChild().onKeypress(keypress);
+ return;
+ }
+ }
+
+ if (keypress.equals(kbEsc)) {
+ getApplication().closeMenu();
+ return;
+ }
+ if (keypress.equals(kbDown)) {
+ switchWidget(true);
+ return;
+ }
+ if (keypress.equals(kbUp)) {
+ switchWidget(false);
+ return;
+ }
+ if (keypress.equals(kbRight)) {
+ if (!isSubMenu) {
+ getApplication().switchMenu(true);
+ }
+ return;
+ }
+ if (keypress.equals(kbLeft)) {
+ if (isSubMenu) {
+ getApplication().closeSubMenu();
+ } else {
+ getApplication().switchMenu(false);
+ }
+ return;
+ }
+
+ // Switch to a menuItem if it has an mnemonic
+ if (!keypress.getKey().getIsKey()
+ && !keypress.getKey().getAlt()
+ && !keypress.getKey().getCtrl()) {
+ for (TWidget widget: getChildren()) {
+ TMenuItem item = (TMenuItem) widget;
+ if ((item.getMnemonic() != null)
+ && (Character.toLowerCase(item.getMnemonic().getShortcut())
+ == Character.toLowerCase(keypress.getKey().getCh()))
+ ) {
+ // Send an enter keystroke to it
+ activate(item);
+ item.handleEvent(new TKeypressEvent(kbEnter));
+ return;
+ }
+ }
+ }
+
+ // Dispatch the keypress to an active widget
+ for (TWidget widget: getChildren()) {
+ if (widget.getActive()) {
+ setRepaint();
+ widget.handleEvent(keypress);
+ return;
+ }
+ }
+ }
+
+ /**
+ * Convenience function to add a custom menu item.
+ *
+ * @param id menu item ID. Must be greater than 1024.
+ * @param label menu item label
+ * @param key global keyboard accelerator
+ * @return the new menu item
+ */
+ public TMenuItem addItem(final int id, final String label,
+ final TKeypress key) {
+
+ assert (id >= 1024);
+ return addItemInternal(id, label, key);
+ }
+
+ /**
+ * Convenience function to add a custom menu item.
+ *
+ * @param id menu item ID. Must be greater than 1024.
+ * @param label menu item label
+ * @param key global keyboard accelerator
+ * @return the new menu item
+ */
+ private TMenuItem addItemInternal(final int id, final String label,
+ final TKeypress key) {
+
+ int newY = getChildren().size() + 1;
+ assert (newY < getHeight());
+
+ TMenuItem menuItem = new TMenuItem(this, id, 1, newY, label);
+ menuItem.setKey(key);
+ setHeight(getHeight() + 1);
+ if (menuItem.getWidth() + 2 > getWidth()) {
+ setWidth(menuItem.getWidth() + 2);
+ }
+ for (TWidget widget: getChildren()) {
+ widget.setWidth(getWidth() - 2);
+ }
+ getApplication().addAccelerator(menuItem, toLower(key));
+ getApplication().recomputeMenuX();
+ activate(0);
+ return menuItem;
+ }
+
+ /**
+ * Convenience function to add a menu item.
+ *
+ * @param id menu item ID. Must be greater than 1024.
+ * @param label menu item label
+ * @return the new menu item
+ */
+ public TMenuItem addItem(final int id, final String label) {
+ assert (id >= 1024);
+ return addItemInternal(id, label);
+ }
+
+ /**
+ * Convenience function to add a menu item.
+ *
+ * @param id menu item ID
+ * @param label menu item label
+ * @return the new menu item
+ */
+ private TMenuItem addItemInternal(final int id, final String label) {
+ int newY = getChildren().size() + 1;
+ assert (newY < getHeight());
+
+ TMenuItem menuItem = new TMenuItem(this, id, 1, newY, label);
+ setHeight(getHeight() + 1);
+ if (menuItem.getWidth() + 2 > getWidth()) {
+ setWidth(menuItem.getWidth() + 2);
+ }
+ for (TWidget widget: getChildren()) {
+ widget.setWidth(getWidth() - 2);
+ }
+ getApplication().recomputeMenuX();
+ activate(0);
+ return menuItem;
+ }
+
+ /**
+ * Convenience function to add one of the default menu items.
+ *
+ * @param id menu item ID. Must be between 0 (inclusive) and 1023
+ * (inclusive).
+ * @return the new menu item
+ */
+ public TMenuItem addDefaultItem(final int id) {
+ assert (id >= 0);
+ assert (id < 1024);
+
+ String label;
+ TKeypress key = null;
+ boolean hasKey = true;
+
+ switch (id) {
+
+ case MID_EXIT:
+ label = "E&xit";
+ key = kbAltX;
+ break;
+
+ case MID_SHELL:
+ label = "O&S Shell";
+ hasKey = false;
+ break;
+
+ case MID_OPEN_FILE:
+ label = "&Open";
+ key = kbAltO;
+ break;
+
+ case MID_CUT:
+ label = "Cu&t";
+ key = kbCtrlX;
+ break;
+ case MID_COPY:
+ label = "&Copy";
+ key = kbCtrlC;
+ break;
+ case MID_PASTE:
+ label = "&Paste";
+ key = kbCtrlV;
+ break;
+ case MID_CLEAR:
+ label = "C&lear";
+ key = kbDel;
+ break;
+
+ case MID_TILE:
+ label = "&Tile";
+ hasKey = false;
+ break;
+ case MID_CASCADE:
+ label = "C&ascade";
+ hasKey = false;
+ break;
+ case MID_CLOSE_ALL:
+ label = "Cl&ose All";
+ hasKey = false;
+ break;
+ case MID_WINDOW_MOVE:
+ label = "&Size/Move";
+ key = kbCtrlF5;
+ break;
+ case MID_WINDOW_ZOOM:
+ label = "&Zoom";
+ key = kbF5;
+ break;
+ case MID_WINDOW_NEXT:
+ label = "&Next";
+ key = kbF6;
+ break;
+ case MID_WINDOW_PREVIOUS:
+ label = "&Previous";
+ key = kbShiftF6;
+ break;
+ case MID_WINDOW_CLOSE:
+ label = "&Close";
+ key = kbCtrlW;
+ break;
+
+ default:
+ throw new IllegalArgumentException("Invalid menu ID: " + id);
+ }
+
+ if (hasKey) {
+ return addItemInternal(id, label, key);
+ }
+ return addItemInternal(id, label);
+ }
+
+ /**
+ * Convenience function to add a menu separator.
+ */
+ public void addSeparator() {
+ int newY = getChildren().size() + 1;
+ assert (newY < getHeight());
+
+ TMenuItem menuItem = new TMenuSeparator(this, 1, newY);
+ setHeight(getHeight() + 1);
+ }
+
+ /**
+ * Convenience function to add a sub-menu.
+ *
+ * @param title menu title. Title must contain a keyboard shortcut,
+ * denoted by prefixing a letter with "&", e.g. "&File"
+ * @return the new sub-menu
+ */
+ public TSubMenu addSubMenu(final String title) {
+ int newY = getChildren().size() + 1;
+ assert (newY < getHeight());
+
+ TSubMenu subMenu = new TSubMenu(this, title, 1, newY);
+ setHeight(getHeight() + 1);
+ if (subMenu.getWidth() + 2 > getWidth()) {
+ setWidth(subMenu.getWidth() + 2);
+ }
+ for (TWidget widget: getChildren()) {
+ widget.setWidth(getWidth() - 2);
+ }
+ getApplication().recomputeMenuX();
+ activate(0);
+ subMenu.menu.setX(getX() + getWidth() - 2);
+
+ return subMenu;
+ }
+
+}
--- /dev/null
+/**
+ * Jexer - Java Text User Interface
+ *
+ * License: LGPLv3 or later
+ *
+ * This module is licensed under the GNU Lesser General Public License
+ * Version 3. Please see the file "COPYING" in this directory for more
+ * information about the GNU Lesser General Public License Version 3.
+ *
+ * Copyright (C) 2015 Kevin Lamonte
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see
+ * http://www.gnu.org/licenses/, or write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.menu;
+
+import jexer.TKeypress;
+import jexer.TWidget;
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+import jexer.bits.MnemonicString;
+import jexer.event.TKeypressEvent;
+import jexer.event.TMouseEvent;
+import jexer.event.TMenuEvent;
+import static jexer.TKeypress.*;
+
+/**
+ * TMenuItem implements a menu item.
+ */
+public class TMenuItem extends TWidget {
+
+ /**
+ * Label for this menu item.
+ */
+ private String label;
+
+ /**
+ * Menu ID. IDs less than 1024 are reserved for common system
+ * functions. Existing ones are defined in TMenu, i.e. TMenu.MID_EXIT.
+ */
+ private int id = TMenu.MID_UNUSED;
+
+ /**
+ * When true, this item can be checked or unchecked.
+ */
+ private boolean checkable = false;
+
+ /**
+ * When true, this item is checked.
+ */
+ private boolean checked = false;
+
+ /**
+ * Global shortcut key.
+ */
+ private TKeypress key;
+
+ /**
+ * When true, a global accelerator can be used to select this item.
+ */
+ private boolean hasKey = false;
+
+ /**
+ * The title string. Use '&' to specify a mnemonic, i.e. "&File" will
+ * highlight the 'F' and allow 'f' or 'F' to select it.
+ */
+ private MnemonicString mnemonic;
+
+ /**
+ * Get the mnemonic string for this menu item.
+ *
+ * @return mnemonic string
+ */
+ public final MnemonicString getMnemonic() {
+ return mnemonic;
+ }
+
+ /**
+ * Set a global accelerator key for this menu item.
+ *
+ * @param key global keyboard accelerator
+ */
+ public final void setKey(final TKeypress key) {
+ hasKey = true;
+ this.key = key;
+
+ int newWidth = (label.length() + 4 + key.toString().length() + 2);
+ if (newWidth > getWidth()) {
+ setWidth(newWidth);
+ }
+ }
+
+ /**
+ * Package private constructor.
+ *
+ * @param parent parent widget
+ * @param id menu id
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param label menu item title
+ */
+ TMenuItem(final TMenu parent, final int id, final int x, final int y,
+ final String label) {
+
+ // Set parent and window
+ super(parent);
+
+ mnemonic = new MnemonicString(label);
+
+ setX(x);
+ setY(y);
+ setHeight(1);
+ this.label = mnemonic.getRawLabel();
+ setWidth(label.length() + 4);
+ this.id = id;
+
+ // Default state for some known menu items
+ switch (id) {
+
+ case TMenu.MID_CUT:
+ setEnabled(false);
+ break;
+ case TMenu.MID_COPY:
+ setEnabled(false);
+ break;
+ case TMenu.MID_PASTE:
+ setEnabled(false);
+ break;
+ case TMenu.MID_CLEAR:
+ setEnabled(false);
+ break;
+
+ case TMenu.MID_TILE:
+ break;
+ case TMenu.MID_CASCADE:
+ break;
+ case TMenu.MID_CLOSE_ALL:
+ break;
+ case TMenu.MID_WINDOW_MOVE:
+ break;
+ case TMenu.MID_WINDOW_ZOOM:
+ break;
+ case TMenu.MID_WINDOW_NEXT:
+ break;
+ case TMenu.MID_WINDOW_PREVIOUS:
+ break;
+ case TMenu.MID_WINDOW_CLOSE:
+ break;
+ default:
+ break;
+ }
+
+ }
+
+ /**
+ * Returns true if the mouse is currently on the menu item.
+ *
+ * @param mouse mouse event
+ */
+ private boolean mouseOnMenuItem(final TMouseEvent mouse) {
+ if ((mouse.getY() == 0)
+ && (mouse.getX() >= 0)
+ && (mouse.getX() < getWidth())
+ ) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Draw a menu item with label.
+ */
+ @Override
+ public void draw() {
+ CellAttributes background = getTheme().getColor("tmenu");
+ CellAttributes menuColor;
+ CellAttributes menuMnemonicColor;
+ if (getAbsoluteActive()) {
+ menuColor = getTheme().getColor("tmenu.highlighted");
+ menuMnemonicColor = getTheme().getColor("tmenu.mnemonic.highlighted");
+ } else {
+ if (getEnabled()) {
+ menuColor = getTheme().getColor("tmenu");
+ menuMnemonicColor = getTheme().getColor("tmenu.mnemonic");
+ } else {
+ menuColor = getTheme().getColor("tmenu.disabled");
+ menuMnemonicColor = getTheme().getColor("tmenu.disabled");
+ }
+ }
+
+ char cVSide = GraphicsChars.WINDOW_SIDE;
+ getScreen().vLineXY(0, 0, 1, cVSide, background);
+ getScreen().vLineXY(getWidth() - 1, 0, 1, cVSide, background);
+
+ getScreen().hLineXY(1, 0, getWidth() - 2, ' ', menuColor);
+ getScreen().putStrXY(2, 0, mnemonic.getRawLabel(), menuColor);
+ if (hasKey) {
+ String keyLabel = key.toString();
+ getScreen().putStrXY((getWidth() - keyLabel.length() - 2), 0,
+ keyLabel, menuColor);
+ }
+ if (mnemonic.getShortcutIdx() >= 0) {
+ getScreen().putCharXY(2 + mnemonic.getShortcutIdx(), 0,
+ mnemonic.getShortcut(), menuMnemonicColor);
+ }
+ if (checked) {
+ assert (checkable);
+ getScreen().putCharXY(1, 0, GraphicsChars.CHECK, menuColor);
+ }
+
+ }
+
+ /**
+ * Dispatch event(s) due to selection or click.
+ */
+ public void dispatch() {
+ assert (getEnabled());
+
+ getApplication().addMenuEvent(new TMenuEvent(id));
+ if (checkable) {
+ checked = !checked;
+ }
+ }
+
+ /**
+ * Handle mouse button presses.
+ *
+ * @param event mouse button press event
+ */
+ /* TODO: this was commented out in d-tui, why?
+ @Override
+ public void onMouseDown(final TMouseEvent event) {
+ if ((mouseOnMenuItem(event)) && (event.mouse1)) {
+ dispatch();
+ return;
+ }
+ }
+ */
+
+ /**
+ * Handle mouse button releases.
+ *
+ * @param mouse mouse button release event
+ */
+ @Override
+ public void onMouseUp(final TMouseEvent mouse) {
+ if ((mouseOnMenuItem(mouse)) && (mouse.getMouse1())) {
+ dispatch();
+ return;
+ }
+ }
+
+ /**
+ * Handle keystrokes.
+ *
+ * @param keypress keystroke event
+ */
+ @Override
+ public void onKeypress(final TKeypressEvent keypress) {
+ if (keypress.equals(kbEnter)) {
+ dispatch();
+ return;
+ }
+
+ // Pass to parent for the things we don't care about.
+ super.onKeypress(keypress);
+ }
+}
--- /dev/null
+/**
+ * Jexer - Java Text User Interface
+ *
+ * License: LGPLv3 or later
+ *
+ * This module is licensed under the GNU Lesser General Public License
+ * Version 3. Please see the file "COPYING" in this directory for more
+ * information about the GNU Lesser General Public License Version 3.
+ *
+ * Copyright (C) 2015 Kevin Lamonte
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see
+ * http://www.gnu.org/licenses/, or write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.menu;
+
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+
+/**
+ * TMenuSeparator is a special case menu item.
+ */
+public class TMenuSeparator extends TMenuItem {
+
+ /**
+ * Package private constructor.
+ *
+ * @param parent parent widget
+ * @param x column relative to parent
+ * @param y row relative to parent
+ */
+ TMenuSeparator(final TMenu parent, final int x, final int y) {
+ super(parent, TMenu.MID_UNUSED, x, y, "");
+ setEnabled(false);
+ setActive(false);
+ setWidth(parent.getWidth() - 2);
+ }
+
+ /**
+ * Draw a menu separator.
+ */
+ @Override
+ public void draw() {
+ CellAttributes background = getTheme().getColor("tmenu");
+
+ getScreen().putCharXY(0, 0, GraphicsChars.CP437[0xC3], background);
+ getScreen().putCharXY(getWidth() - 1, 0, GraphicsChars.CP437[0xB4],
+ background);
+ getScreen().hLineXY(1, 0, getWidth() - 2, GraphicsChars.SINGLE_BAR,
+ background);
+ }
+
+}
--- /dev/null
+/**
+ * Jexer - Java Text User Interface
+ *
+ * License: LGPLv3 or later
+ *
+ * This module is licensed under the GNU Lesser General Public License
+ * Version 3. Please see the file "COPYING" in this directory for more
+ * information about the GNU Lesser General Public License Version 3.
+ *
+ * Copyright (C) 2015 Kevin Lamonte
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see
+ * http://www.gnu.org/licenses/, or write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.menu;
+
+import jexer.TWidget;
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+import jexer.event.TKeypressEvent;
+import static jexer.TKeypress.*;
+
+/**
+ * TSubMenu is a special case menu item that wraps another TMenu.
+ */
+public class TSubMenu extends TMenuItem {
+
+ /**
+ * The menu window. Note package private access.
+ */
+ TMenu menu;
+
+ /**
+ * Package private constructor.
+ *
+ * @param parent parent widget
+ * @param title menu title. Title must contain a keyboard shortcut,
+ * denoted by prefixing a letter with "&", e.g. "&File"
+ * @param x column relative to parent
+ * @param y row relative to parent
+ */
+ TSubMenu(final TMenu parent, final String title, final int x, final int y) {
+ super(parent, TMenu.MID_UNUSED, x, y, title);
+
+ setActive(false);
+ setEnabled(true);
+
+ this.menu = new TMenu(parent.getApplication(), x, getAbsoluteY() - 1,
+ title);
+ setWidth(menu.getWidth() + 2);
+
+ this.menu.isSubMenu = true;
+ }
+
+ /**
+ * Draw the menu title.
+ */
+ @Override
+ public void draw() {
+ super.draw();
+
+ CellAttributes background = getTheme().getColor("tmenu");
+ CellAttributes menuColor;
+ CellAttributes menuMnemonicColor;
+ if (getAbsoluteActive()) {
+ menuColor = getTheme().getColor("tmenu.highlighted");
+ menuMnemonicColor = getTheme().getColor("tmenu.mnemonic.highlighted");
+ } else {
+ if (getEnabled()) {
+ menuColor = getTheme().getColor("tmenu");
+ menuMnemonicColor = getTheme().getColor("tmenu.mnemonic");
+ } else {
+ menuColor = getTheme().getColor("tmenu.disabled");
+ menuMnemonicColor = getTheme().getColor("tmenu.disabled");
+ }
+ }
+
+ // Add the arrow
+ getScreen().putCharXY(getWidth() - 2, 0, GraphicsChars.CP437[0x10],
+ menuColor);
+ }
+
+ /**
+ * Handle keystrokes.
+ *
+ * @param keypress keystroke event
+ */
+ @Override
+ public void onKeypress(final TKeypressEvent keypress) {
+
+ if (menu.getActive()) {
+ menu.onKeypress(keypress);
+ return;
+ }
+
+ if (keypress.equals(kbEnter)) {
+ dispatch();
+ return;
+ }
+
+ if (keypress.equals(kbRight)) {
+ dispatch();
+ return;
+ }
+
+ if (keypress.equals(kbDown)) {
+ getParent().switchWidget(true);
+ return;
+ }
+
+ if (keypress.equals(kbUp)) {
+ getParent().switchWidget(false);
+ return;
+ }
+
+ if (keypress.equals(kbLeft)) {
+ TMenu parentMenu = (TMenu) getParent();
+ if (parentMenu.isSubMenu) {
+ getApplication().closeSubMenu();
+ } else {
+ getApplication().switchMenu(false);
+ }
+ return;
+ }
+
+ if (keypress.equals(kbEsc)) {
+ getApplication().closeMenu();
+ return;
+ }
+ }
+
+ /**
+ * Override dispatch() to do nothing.
+ */
+ @Override
+ public void dispatch() {
+ assert (getEnabled());
+ if (getAbsoluteActive()) {
+ if (!menu.getActive()) {
+ getApplication().addSubMenu(menu);
+ menu.setActive(true);
+ }
+ }
+ }
+
+ /**
+ * Returns my active widget.
+ *
+ * @return widget that is active, or this if no children
+ */
+ @Override
+ public TWidget getActiveChild() {
+ if (menu.getActive()) {
+ return menu;
+ }
+ // Menu not active, return me
+ return this;
+ }
+
+}
--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * License: LGPLv3 or later
+ *
+ * This module is licensed under the GNU Lesser General Public License
+ * Version 3. Please see the file "COPYING" in this directory for more
+ * information about the GNU Lesser General Public License Version 3.
+ *
+ * Copyright (C) 2015 Kevin Lamonte
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see
+ * http://www.gnu.org/licenses/, or write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+
+/**
+ * This package contains the menu bar classes.
+ */
+package jexer.menu;
git://git.nikiroo.be / nikiroo-utils.git / commitdiff