+++ /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 java.util.ArrayList;
-import java.util.List;
-
-import jexer.bits.CellAttributes;
-import jexer.bits.GraphicsChars;
-import jexer.bits.StringUtils;
-import jexer.event.TCommandEvent;
-import jexer.event.TKeypressEvent;
-import jexer.event.TMouseEvent;
-
-/**
- * TStatusBar implements a status line with clickable buttons.
- */
-public class TStatusBar extends TWidget {
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Remember mouse state.
- */
- private TMouseEvent mouse;
-
- /**
- * The text to display on the right side of the shortcut keys.
- */
- private String text = null;
-
- /**
- * The shortcut keys.
- */
- private List<TStatusBarKey> keys = new ArrayList<TStatusBarKey>();
-
- /**
- * A single shortcut key.
- */
- private class TStatusBarKey {
-
- /**
- * The keypress for this action.
- */
- public TKeypress key;
-
- /**
- * The command to issue.
- */
- public TCommand cmd;
-
- /**
- * The label text.
- */
- public String label;
-
- /**
- * If true, the mouse is on this key.
- */
- public boolean selected;
-
- /**
- * The left edge coordinate to draw this key with.
- */
- public int x = 0;
-
- /**
- * The width of this key on the screen.
- *
- * @return the number of columns this takes when drawn
- */
- public int width() {
- return StringUtils.width(this.label) +
- StringUtils.width(this.key.toString()) + 3;
- }
-
- /**
- * Add a key to this status bar.
- *
- * @param key the key to trigger on
- * @param cmd the command event to issue when key is pressed or this
- * item is clicked
- * @param label the label for this action
- */
- public TStatusBarKey(final TKeypress key, final TCommand cmd,
- final String label) {
-
- this.key = key;
- this.cmd = cmd;
- this.label = label;
- }
-
- }
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Public constructor.
- *
- * @param window the window associated with this status bar
- * @param text text for the bar on the bottom row
- */
- public TStatusBar(final TWindow window, final String text) {
-
- // TStatusBar is a parentless widget, because TApplication handles
- // its drawing and event routing directly.
- super(null, false, 0, 0, StringUtils.width(text), 1);
-
- this.text = text;
- setWindow(window);
- }
-
- /**
- * Public constructor.
- *
- * @param window the window associated with this status bar
- */
- public TStatusBar(final TWindow window) {
- this(window, "");
- }
-
- // ------------------------------------------------------------------------
- // Event handlers ---------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Handle keypresses.
- *
- * @param keypress keystroke event
- * @return true if this keypress was consumed
- */
- public boolean statusBarKeypress(final TKeypressEvent keypress) {
- for (TStatusBarKey key: keys) {
- if (keypress.equals(key.key)) {
- getApplication().postMenuEvent(new TCommandEvent(key.cmd));
- return true;
- }
- }
- return false;
- }
-
- /**
- * Returns true if the mouse is currently on the button.
- *
- * @param statusBarKey the status bar item
- * @return if true the mouse is currently on the button
- */
- private boolean mouseOnShortcut(final TStatusBarKey statusBarKey) {
- if ((mouse != null)
- && (mouse.getAbsoluteY() == getApplication().getDesktopBottom())
- && (mouse.getAbsoluteX() >= statusBarKey.x)
- && (mouse.getAbsoluteX() < statusBarKey.x + statusBarKey.width())
- ) {
- return true;
- }
- return false;
- }
-
- /**
- * Handle mouse button presses.
- *
- * @param mouse mouse button event
- * @return true if this mouse event was consumed
- */
- public boolean statusBarMouseDown(final TMouseEvent mouse) {
- this.mouse = mouse;
-
- for (TStatusBarKey key: keys) {
- if ((mouseOnShortcut(key)) && (mouse.isMouse1())) {
- key.selected = true;
- return true;
- }
- }
- return false;
- }
-
- /**
- * Handle mouse button releases.
- *
- * @param mouse mouse button release event
- * @return true if this mouse event was consumed
- */
- public boolean statusBarMouseUp(final TMouseEvent mouse) {
- this.mouse = mouse;
-
- for (TStatusBarKey key: keys) {
- if (key.selected && mouse.isMouse1()) {
- key.selected = false;
-
- // Dispatch the event
- getApplication().postMenuEvent(new TCommandEvent(key.cmd));
- return true;
- }
- }
- return false;
- }
-
- /**
- * Handle mouse movements.
- *
- * @param mouse mouse motion event
- */
- public void statusBarMouseMotion(final TMouseEvent mouse) {
- this.mouse = mouse;
-
- for (TStatusBarKey key: keys) {
- if (!mouseOnShortcut(key)) {
- key.selected = false;
- }
- }
- }
-
- // ------------------------------------------------------------------------
- // TWidget ----------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Draw the bar.
- */
- @Override
- public void draw() {
- CellAttributes barColor = new CellAttributes();
- barColor.setTo(getTheme().getColor("tstatusbar.text"));
- CellAttributes keyColor = new CellAttributes();
- keyColor.setTo(getTheme().getColor("tstatusbar.button"));
- CellAttributes selectedColor = new CellAttributes();
- selectedColor.setTo(getTheme().getColor("tstatusbar.selected"));
-
- // Status bar is weird. Its draw() method is called directly by
- // TApplication after everything is drawn, and after
- // Screen.resetClipping(). So at this point we are drawing in
- // absolute coordinates, not relative to our TWindow.
- int row = getScreen().getHeight() - 1;
- int width = getScreen().getWidth();
-
- hLineXY(0, row, width, ' ', barColor);
-
- int col = 0;
- for (TStatusBarKey key: keys) {
- String keyStr = key.key.toString();
- if (key.selected) {
- putCharXY(col++, row, ' ', selectedColor);
- putStringXY(col, row, keyStr, selectedColor);
- col += StringUtils.width(keyStr);
- putCharXY(col++, row, ' ', selectedColor);
- putStringXY(col, row, key.label, selectedColor);
- col += StringUtils.width(key.label);
- putCharXY(col++, row, ' ', selectedColor);
- } else {
- putCharXY(col++, row, ' ', barColor);
- putStringXY(col, row, keyStr, keyColor);
- col += StringUtils.width(keyStr) + 1;
- putStringXY(col, row, key.label, barColor);
- col += StringUtils.width(key.label);
- putCharXY(col++, row, ' ', barColor);
- }
- }
- if (text.length() > 0) {
- if (keys.size() > 0) {
- putCharXY(col++, row, GraphicsChars.VERTICAL_BAR, barColor);
- }
- putCharXY(col++, row, ' ', barColor);
- putStringXY(col, row, text, barColor);
- }
- }
-
- // ------------------------------------------------------------------------
- // TStatusBar -------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Add a key to this status bar.
- *
- * @param key the key to trigger on
- * @param cmd the command event to issue when key is pressed or this item
- * is clicked
- * @param label the label for this action
- */
- public void addShortcutKeypress(final TKeypress key, final TCommand cmd,
- final String label) {
-
- TStatusBarKey newKey = new TStatusBarKey(key, cmd, label);
- if (keys.size() > 0) {
- TStatusBarKey oldKey = keys.get(keys.size() - 1);
- newKey.x = oldKey.x + oldKey.width();
- }
- keys.add(newKey);
- }
-
- /**
- * Set the text to display on the right side of the shortcut keys.
- *
- * @param text the new text
- */
- public void setText(final String text) {
- this.text = text;
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff