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 | /** | |
28 | * Log4j logger sent to view. | |
29 | */ | |
30 | private static final Logger LOGGER = LogManager.getRootLogger(); | |
31 | | |
32 | /** | |
33 | * Create a caret shaped for terminal. | |
34 | */ | |
35 | public BlockCaret() { | |
36 |
1
1. <init> : removed call to com/jsql/view/swing/terminal/util/BlockCaret::setBlinkRate → NO_COVERAGE |
this.setBlinkRate(500); // half a second |
37 | } | |
38 | ||
39 | @Override | |
40 | protected synchronized void damage(Rectangle r) { | |
41 |
1
1. damage : negated conditional → NO_COVERAGE |
if (r == null) { |
42 | return; | |
43 | } | |
44 | ||
45 | // give values to x,y,width,height (inherited from java.awt.Rectangle) | |
46 | this.x = r.x; | |
47 | this.y = r.y; | |
48 | this.height = r.height; | |
49 | | |
50 | // A value for width was probably set by paint(), which we leave alone. | |
51 | // But the first call to damage() precedes the first call to paint(), so | |
52 | // in this case we must be prepared to set a valid width, or else | |
53 | // paint() | |
54 | // will receive a bogus clip area and caret will not get drawn properly. | |
55 |
2
1. damage : negated conditional → NO_COVERAGE 2. damage : changed conditional boundary → NO_COVERAGE |
if (this.width <= 0) { |
56 | this.width = this.getComponent().getWidth(); | |
57 | } | |
58 | ||
59 | //Calls getComponent().repaint(x, y, width, height) to erase | |
60 |
1
1. damage : removed call to com/jsql/view/swing/terminal/util/BlockCaret::repaint → NO_COVERAGE |
this.repaint(); |
61 | | |
62 | // previous location of caret. Sometimes one call isn't enough. | |
63 |
1
1. damage : removed call to com/jsql/view/swing/terminal/util/BlockCaret::repaint → NO_COVERAGE |
this.repaint(); |
64 | } | |
65 | ||
66 | @Override | |
67 | public void paint(Graphics g) { | |
68 | JTextComponent comp = this.getComponent(); | |
69 |
1
1. paint : negated conditional → NO_COVERAGE |
if (comp == null) { |
70 | return; | |
71 | } | |
72 | ||
73 | int dot = this.getDot(); | |
74 | Rectangle r = null; | |
75 | char dotChar; | |
76 | | |
77 | try { | |
78 |
1
1. paint : negated conditional → NO_COVERAGE |
if (comp.modelToView2D(dot) != null) { |
79 | r = comp.modelToView2D(dot).getBounds(); | |
80 | } | |
81 | dotChar = comp.getText(dot, 1).charAt(0); | |
82 | } catch (BadLocationException e) { | |
83 | LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e); | |
84 | return; | |
85 | } | |
86 | ||
87 |
1
1. paint : negated conditional → NO_COVERAGE |
if (r == null) { |
88 | return; | |
89 | } | |
90 |
1
1. paint : negated conditional → NO_COVERAGE |
if (Character.isWhitespace(dotChar)) { |
91 | dotChar = '_'; | |
92 | } | |
93 |
2
1. paint : negated conditional → NO_COVERAGE 2. paint : negated conditional → NO_COVERAGE |
if (this.x != r.x || this.y != r.y) { |
94 | // paint() has been called directly, without a previous call to | |
95 | // damage(), so do some cleanup. (This happens, for example, when | |
96 | // the text component is resized.) | |
97 |
1
1. paint : removed call to com/jsql/view/swing/terminal/util/BlockCaret::damage → NO_COVERAGE |
this.damage(r); |
98 | return; | |
99 | } | |
100 | ||
101 |
1
1. paint : removed call to java/awt/Graphics::setColor → NO_COVERAGE |
g.setColor(new Color(0, 255, 0)); |
102 |
1
1. paint : removed call to java/awt/Graphics::setXORMode → NO_COVERAGE |
g.setXORMode(comp.getBackground()); // do this to draw in XOR mode |
103 | ||
104 | this.width = g.getFontMetrics().charWidth(dotChar); | |
105 |
1
1. paint : negated conditional → NO_COVERAGE |
if (this.isVisible()) { |
106 |
1
1. paint : removed call to java/awt/Graphics::fillRect → NO_COVERAGE |
g.fillRect(r.x, r.y, this.width, r.height); |
107 | } | |
108 | } | |
109 | } | |
Mutations | ||
36 |
1.1 |
|
41 |
1.1 |
|
55 |
1.1 2.2 |
|
60 |
1.1 |
|
63 |
1.1 |
|
69 |
1.1 |
|
78 |
1.1 |
|
87 |
1.1 |
|
90 |
1.1 |
|
93 |
1.1 2.2 |
|
97 |
1.1 |
|
101 |
1.1 |
|
102 |
1.1 |
|
105 |
1.1 |
|
106 |
1.1 |