| 1 | /******************************************************************************* | |
| 2 | * Copyhacked (H) 2012-2025. | |
| 3 | * This program and the accompanying materials | |
| 4 | * are made available under no term at all, use it like | |
| 5 | * you want, but share and discuss it | |
| 6 | * every time possible with every body. | |
| 7 | * | |
| 8 | * Contributors: | |
| 9 | * ron190 at ymail dot com - initial implementation | |
| 10 | ******************************************************************************/ | |
| 11 | package com.jsql.view.swing.terminal.util; | |
| 12 | ||
| 13 | import com.jsql.util.LogLevelUtil; | |
| 14 | import org.apache.logging.log4j.LogManager; | |
| 15 | import org.apache.logging.log4j.Logger; | |
| 16 | ||
| 17 | import javax.swing.text.BadLocationException; | |
| 18 | import javax.swing.text.DefaultCaret; | |
| 19 | import javax.swing.text.JTextComponent; | |
| 20 | import java.awt.*; | |
| 21 | ||
| 22 | /** | |
| 23 | * A caret in a block shape. | |
| 24 | */ | |
| 25 | public class BlockCaret extends DefaultCaret { | |
| 26 | | |
| 27 | private static final Logger LOGGER = LogManager.getRootLogger(); | |
| 28 | | |
| 29 | /** | |
| 30 | * Create a caret shaped for terminal. | |
| 31 | */ | |
| 32 | public BlockCaret() { | |
| 33 |
1
1. <init> : removed call to com/jsql/view/swing/terminal/util/BlockCaret::setBlinkRate → NO_COVERAGE |
this.setBlinkRate(500); // half a second |
| 34 | } | |
| 35 | ||
| 36 | @Override | |
| 37 | protected synchronized void damage(Rectangle r) { | |
| 38 |
1
1. damage : negated conditional → NO_COVERAGE |
if (r == null) { |
| 39 | return; | |
| 40 | } | |
| 41 | ||
| 42 | // give values to x,y,width,height (inherited from java.awt.Rectangle) | |
| 43 | this.x = r.x; | |
| 44 | this.y = r.y; | |
| 45 | this.height = r.height; | |
| 46 | | |
| 47 | // A value for width was probably set by paint(), which we leave alone. | |
| 48 | // But the first call to damage() precedes the first call to paint(), so | |
| 49 | // in this case we must be prepared to set a valid width, or else | |
| 50 | // paint() | |
| 51 | // will receive a bogus clip area and caret will not get drawn properly. | |
| 52 |
2
1. damage : negated conditional → NO_COVERAGE 2. damage : changed conditional boundary → NO_COVERAGE |
if (this.width <= 0) { |
| 53 | this.width = this.getComponent().getWidth(); | |
| 54 | } | |
| 55 | ||
| 56 | //Calls getComponent().repaint(x, y, width, height) to erase | |
| 57 |
1
1. damage : removed call to com/jsql/view/swing/terminal/util/BlockCaret::repaint → NO_COVERAGE |
this.repaint(); |
| 58 | | |
| 59 | // previous location of caret. Sometimes one call isn't enough. | |
| 60 |
1
1. damage : removed call to com/jsql/view/swing/terminal/util/BlockCaret::repaint → NO_COVERAGE |
this.repaint(); |
| 61 | } | |
| 62 | ||
| 63 | @Override | |
| 64 | public void paint(Graphics g) { | |
| 65 | JTextComponent comp = this.getComponent(); | |
| 66 |
1
1. paint : negated conditional → NO_COVERAGE |
if (comp == null) { |
| 67 | return; | |
| 68 | } | |
| 69 | ||
| 70 | int dot = this.getDot(); | |
| 71 | Rectangle r = null; | |
| 72 | char dotChar; | |
| 73 | | |
| 74 | try { | |
| 75 |
1
1. paint : negated conditional → NO_COVERAGE |
if (comp.modelToView2D(dot) != null) { |
| 76 | r = comp.modelToView2D(dot).getBounds(); | |
| 77 | } | |
| 78 | dotChar = comp.getText(dot, 1).charAt(0); | |
| 79 | } catch (BadLocationException e) { | |
| 80 | LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e); | |
| 81 | return; | |
| 82 | } | |
| 83 | ||
| 84 |
1
1. paint : negated conditional → NO_COVERAGE |
if (r == null) { |
| 85 | return; | |
| 86 | } | |
| 87 |
1
1. paint : negated conditional → NO_COVERAGE |
if (Character.isWhitespace(dotChar)) { |
| 88 | dotChar = '_'; | |
| 89 | } | |
| 90 |
2
1. paint : negated conditional → NO_COVERAGE 2. paint : negated conditional → NO_COVERAGE |
if (this.x != r.x || this.y != r.y) { |
| 91 | // paint() has been called directly, without a previous call to | |
| 92 | // damage(), so do some cleanup. (This happens, for example, when | |
| 93 | // the text component is resized.) | |
| 94 |
1
1. paint : removed call to com/jsql/view/swing/terminal/util/BlockCaret::damage → NO_COVERAGE |
this.damage(r); |
| 95 | return; | |
| 96 | } | |
| 97 | ||
| 98 |
1
1. paint : removed call to java/awt/Graphics::setColor → NO_COVERAGE |
g.setColor(new Color(0, 255, 0)); |
| 99 |
1
1. paint : removed call to java/awt/Graphics::setXORMode → NO_COVERAGE |
g.setXORMode(comp.getBackground()); // do this to draw in XOR mode |
| 100 | ||
| 101 | this.width = g.getFontMetrics().charWidth(dotChar); | |
| 102 |
1
1. paint : negated conditional → NO_COVERAGE |
if (this.isVisible()) { |
| 103 |
1
1. paint : removed call to java/awt/Graphics::fillRect → NO_COVERAGE |
g.fillRect(r.x, r.y, this.width, r.height); |
| 104 | } | |
| 105 | } | |
| 106 | } | |
Mutations | ||
| 33 |
1.1 |
|
| 38 |
1.1 |
|
| 52 |
1.1 2.2 |
|
| 57 |
1.1 |
|
| 60 |
1.1 |
|
| 66 |
1.1 |
|
| 75 |
1.1 |
|
| 84 |
1.1 |
|
| 87 |
1.1 |
|
| 90 |
1.1 2.2 |
|
| 94 |
1.1 |
|
| 98 |
1.1 |
|
| 99 |
1.1 |
|
| 102 |
1.1 |
|
| 103 |
1.1 |