2 * Jexer - Java Text User Interface
4 * The MIT License (MIT)
6 * Copyright (C) 2019 Kevin Lamonte
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
26 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
29 package jexer
.backend
;
31 import java
.awt
.BorderLayout
;
32 import java
.awt
.Color
;
34 import java
.awt
.FontMetrics
;
35 import java
.awt
.Graphics2D
;
36 import java
.awt
.Graphics
;
37 import java
.awt
.Insets
;
38 import java
.awt
.Rectangle
;
39 import java
.awt
.Toolkit
;
40 import java
.awt
.event
.ComponentEvent
;
41 import java
.awt
.event
.ComponentListener
;
42 import java
.awt
.event
.KeyEvent
;
43 import java
.awt
.event
.KeyListener
;
44 import java
.awt
.event
.MouseEvent
;
45 import java
.awt
.event
.MouseListener
;
46 import java
.awt
.event
.MouseMotionListener
;
47 import java
.awt
.event
.MouseWheelEvent
;
48 import java
.awt
.event
.MouseWheelListener
;
49 import java
.awt
.event
.WindowEvent
;
50 import java
.awt
.event
.WindowListener
;
51 import java
.awt
.geom
.Rectangle2D
;
52 import java
.awt
.image
.BufferedImage
;
53 import java
.io
.InputStream
;
54 import java
.util
.ArrayList
;
55 import java
.util
.HashMap
;
56 import java
.util
.List
;
58 import javax
.swing
.JComponent
;
59 import javax
.swing
.JFrame
;
60 import javax
.swing
.ImageIcon
;
61 import javax
.swing
.SwingUtilities
;
63 import jexer
.TKeypress
;
64 import jexer
.bits
.Cell
;
65 import jexer
.bits
.CellAttributes
;
66 import jexer
.event
.TCommandEvent
;
67 import jexer
.event
.TInputEvent
;
68 import jexer
.event
.TKeypressEvent
;
69 import jexer
.event
.TMouseEvent
;
70 import jexer
.event
.TResizeEvent
;
71 import static jexer
.TCommand
.*;
72 import static jexer
.TKeypress
.*;
75 * This Screen backend reads keystrokes and mouse events and draws to either
76 * a Java Swing JFrame (potentially triple-buffered) or a JComponent.
78 * This class is a bit of an inversion of typical GUI classes. It performs
79 * all of the drawing logic from SwingTerminal (which is not a Swing class),
80 * and uses a SwingComponent wrapper class to call the JFrame or JComponent
83 public class SwingTerminal
extends LogicalScreen
84 implements TerminalReader
,
85 ComponentListener
, KeyListener
,
86 MouseListener
, MouseMotionListener
,
87 MouseWheelListener
, WindowListener
{
89 // ------------------------------------------------------------------------
90 // Constants --------------------------------------------------------------
91 // ------------------------------------------------------------------------
94 * The icon image location.
96 private static final String ICONFILE
= "jexer_logo_128.png";
99 * The terminus font resource filename.
101 public static final String FONTFILE
= "terminus-ttf-4.39/TerminusTTF-Bold-4.39.ttf";
104 * Cursor style to draw.
106 public enum CursorStyle
{
108 * Use an underscore for the cursor.
113 * Use a solid block for the cursor.
118 * Use an outlined block for the cursor.
123 * Use a vertical bar for the cursor.
128 // ------------------------------------------------------------------------
129 // Variables --------------------------------------------------------------
130 // ------------------------------------------------------------------------
132 // Colors to map DOS colors to AWT colors.
133 private static Color MYBLACK
;
134 private static Color MYRED
;
135 private static Color MYGREEN
;
136 private static Color MYYELLOW
;
137 private static Color MYBLUE
;
138 private static Color MYMAGENTA
;
139 private static Color MYCYAN
;
140 private static Color MYWHITE
;
141 private static Color MYBOLD_BLACK
;
142 private static Color MYBOLD_RED
;
143 private static Color MYBOLD_GREEN
;
144 private static Color MYBOLD_YELLOW
;
145 private static Color MYBOLD_BLUE
;
146 private static Color MYBOLD_MAGENTA
;
147 private static Color MYBOLD_CYAN
;
148 private static Color MYBOLD_WHITE
;
151 * When true, all the MYBLACK, MYRED, etc. colors are set.
153 private static boolean dosColors
= false;
156 * The Swing component or frame to draw to.
158 private SwingComponent swing
;
161 * A cache of previously-rendered glyphs for blinking text, when it is
164 private Map
<Cell
, BufferedImage
> glyphCacheBlink
;
167 * A cache of previously-rendered glyphs for non-blinking, or
168 * blinking-and-visible, text.
170 private Map
<Cell
, BufferedImage
> glyphCache
;
173 * If true, we were successful at getting the font dimensions.
175 private boolean gotFontDimensions
= false;
178 * The currently selected font.
180 private Font font
= null;
183 * The currently selected font size in points.
185 private int fontSize
= 16;
188 * Width of a character cell in pixels.
190 private int textWidth
= 16;
193 * Height of a character cell in pixels.
195 private int textHeight
= 20;
198 * Width of a character cell in pixels, as reported by font.
200 private int fontTextWidth
= 1;
203 * Height of a character cell in pixels, as reported by font.
205 private int fontTextHeight
= 1;
208 * Descent of a character cell in pixels.
210 private int maxDescent
= 0;
213 * System-dependent Y adjustment for text in the character cell.
215 private int textAdjustY
= 0;
218 * System-dependent X adjustment for text in the character cell.
220 private int textAdjustX
= 0;
223 * System-dependent height adjustment for text in the character cell.
225 private int textAdjustHeight
= 0;
228 * System-dependent width adjustment for text in the character cell.
230 private int textAdjustWidth
= 0;
233 * Top pixel absolute location.
235 private int top
= 30;
238 * Left pixel absolute location.
240 private int left
= 30;
243 * The cursor style to draw.
245 private CursorStyle cursorStyle
= CursorStyle
.UNDERLINE
;
248 * The number of millis to wait before switching the blink from visible
249 * to invisible. Set to 0 or negative to disable blinking.
251 private long blinkMillis
= 500;
254 * If true, the cursor should be visible right now based on the blink
257 private boolean cursorBlinkVisible
= true;
260 * The time that the blink last flipped from visible to invisible or
261 * from invisible to visible.
263 private long lastBlinkTime
= 0;
266 * The session information.
268 private SwingSessionInfo sessionInfo
;
271 * The listening object that run() wakes up on new input.
273 private Object listener
;
276 * The event queue, filled up by a thread reading on input.
278 private List
<TInputEvent
> eventQueue
;
281 * The last reported mouse X position.
283 private int oldMouseX
= -1;
286 * The last reported mouse Y position.
288 private int oldMouseY
= -1;
291 * true if mouse1 was down. Used to report mouse1 on the release event.
293 private boolean mouse1
= false;
296 * true if mouse2 was down. Used to report mouse2 on the release event.
298 private boolean mouse2
= false;
301 * true if mouse3 was down. Used to report mouse3 on the release event.
303 private boolean mouse3
= false;
305 // ------------------------------------------------------------------------
306 // Constructors -----------------------------------------------------------
307 // ------------------------------------------------------------------------
310 * Static constructor.
317 * Public constructor creates a new JFrame to render to.
319 * @param windowWidth the number of text columns to start with
320 * @param windowHeight the number of text rows to start with
321 * @param fontSize the size in points. Good values to pick are: 16, 20,
323 * @param listener the object this backend needs to wake up when new
326 public SwingTerminal(final int windowWidth
, final int windowHeight
,
327 final int fontSize
, final Object listener
) {
329 this.fontSize
= fontSize
;
334 SwingUtilities
.invokeAndWait(new Runnable() {
337 JFrame frame
= new JFrame() {
340 * Serializable version.
342 private static final long serialVersionUID
= 1;
345 * The code that performs the actual drawing.
347 public SwingTerminal screen
= null;
350 * Anonymous class initializer saves the screen
351 * reference, so that paint() and the like call out
355 this.screen
= SwingTerminal
.this;
359 * Update redraws the whole screen.
361 * @param gr the Swing Graphics context
364 public void update(final Graphics gr
) {
365 // The default update clears the area. Don't do
366 // that, instead just paint it directly.
371 * Paint redraws the whole screen.
373 * @param gr the Swing Graphics context
376 public void paint(final Graphics gr
) {
377 if (screen
!= null) {
384 ClassLoader loader
= Thread
.currentThread().
385 getContextClassLoader();
386 frame
.setIconImage((new ImageIcon(loader
.
387 getResource(ICONFILE
))).getImage());
389 // Get the Swing component
390 SwingTerminal
.this.swing
= new SwingComponent(frame
);
392 // Hang onto top and left for drawing.
393 Insets insets
= SwingTerminal
.this.swing
.getInsets();
394 SwingTerminal
.this.left
= insets
.left
;
395 SwingTerminal
.this.top
= insets
.top
;
397 // Load the font so that we can set sessionInfo.
400 // Get the default cols x rows and set component size
402 SwingTerminal
.this.sessionInfo
=
403 new SwingSessionInfo(SwingTerminal
.this.swing
,
404 SwingTerminal
.this.textWidth
,
405 SwingTerminal
.this.textHeight
,
406 windowWidth
, windowHeight
);
408 SwingTerminal
.this.setDimensions(sessionInfo
.
409 getWindowWidth(), sessionInfo
.getWindowHeight());
411 SwingTerminal
.this.resizeToScreen(true);
412 SwingTerminal
.this.swing
.setVisible(true);
415 } catch (java
.lang
.reflect
.InvocationTargetException e
) {
417 } catch (InterruptedException e
) {
421 this.listener
= listener
;
425 eventQueue
= new ArrayList
<TInputEvent
>();
427 // Add listeners to Swing.
428 swing
.addKeyListener(this);
429 swing
.addWindowListener(this);
430 swing
.addComponentListener(this);
431 swing
.addMouseListener(this);
432 swing
.addMouseMotionListener(this);
433 swing
.addMouseWheelListener(this);
437 * Public constructor renders to an existing JComponent.
439 * @param component the Swing component to render to
440 * @param windowWidth the number of text columns to start with
441 * @param windowHeight the number of text rows to start with
442 * @param fontSize the size in points. Good values to pick are: 16, 20,
444 * @param listener the object this backend needs to wake up when new
447 public SwingTerminal(final JComponent component
, final int windowWidth
,
448 final int windowHeight
, final int fontSize
, final Object listener
) {
450 this.fontSize
= fontSize
;
455 SwingUtilities
.invokeAndWait(new Runnable() {
458 JComponent newComponent
= new JComponent() {
461 * Serializable version.
463 private static final long serialVersionUID
= 1;
466 * The code that performs the actual drawing.
468 public SwingTerminal screen
= null;
471 * Anonymous class initializer saves the screen
472 * reference, so that paint() and the like call out
476 this.screen
= SwingTerminal
.this;
480 * Update redraws the whole screen.
482 * @param gr the Swing Graphics context
485 public void update(final Graphics gr
) {
486 // The default update clears the area. Don't do
487 // that, instead just paint it directly.
492 * Paint redraws the whole screen.
494 * @param gr the Swing Graphics context
497 public void paint(final Graphics gr
) {
498 if (screen
!= null) {
503 component
.setLayout(new BorderLayout());
504 component
.add(newComponent
);
506 // Allow key events to be received
507 component
.setFocusable(true);
509 // Get the Swing component
510 SwingTerminal
.this.swing
= new SwingComponent(component
);
512 // Hang onto top and left for drawing.
513 Insets insets
= SwingTerminal
.this.swing
.getInsets();
514 SwingTerminal
.this.left
= insets
.left
;
515 SwingTerminal
.this.top
= insets
.top
;
517 // Load the font so that we can set sessionInfo.
520 // Get the default cols x rows and set component size
522 SwingTerminal
.this.sessionInfo
=
523 new SwingSessionInfo(SwingTerminal
.this.swing
,
524 SwingTerminal
.this.textWidth
,
525 SwingTerminal
.this.textHeight
);
528 } catch (java
.lang
.reflect
.InvocationTargetException e
) {
530 } catch (InterruptedException e
) {
534 this.listener
= listener
;
538 eventQueue
= new ArrayList
<TInputEvent
>();
540 // Add listeners to Swing.
541 swing
.addKeyListener(this);
542 swing
.addWindowListener(this);
543 swing
.addComponentListener(this);
544 swing
.addMouseListener(this);
545 swing
.addMouseMotionListener(this);
546 swing
.addMouseWheelListener(this);
549 // ------------------------------------------------------------------------
550 // LogicalScreen ----------------------------------------------------------
551 // ------------------------------------------------------------------------
554 * Set the window title.
556 * @param title the new title
559 public void setTitle(final String title
) {
560 swing
.setTitle(title
);
564 * Push the logical screen to the physical device.
567 public void flushPhysical() {
568 // See if it is time to flip the blink time.
569 long nowTime
= System
.currentTimeMillis();
570 if (nowTime
>= blinkMillis
+ lastBlinkTime
) {
571 lastBlinkTime
= nowTime
;
572 cursorBlinkVisible
= !cursorBlinkVisible
;
573 // System.err.println("New lastBlinkTime: " + lastBlinkTime);
576 if ((swing
.getFrame() != null)
577 && (swing
.getBufferStrategy() != null)
583 } while (swing
.getBufferStrategy().contentsRestored());
585 swing
.getBufferStrategy().show();
586 Toolkit
.getDefaultToolkit().sync();
587 } while (swing
.getBufferStrategy().contentsLost());
590 // Non-triple-buffered, call drawToSwing() once
595 // ------------------------------------------------------------------------
596 // TerminalReader ---------------------------------------------------------
597 // ------------------------------------------------------------------------
600 * Check if there are events in the queue.
602 * @return if true, getEvents() has something to return to the backend
604 public boolean hasEvents() {
605 synchronized (eventQueue
) {
606 return (eventQueue
.size() > 0);
611 * Return any events in the IO queue.
613 * @param queue list to append new events to
615 public void getEvents(final List
<TInputEvent
> queue
) {
616 synchronized (eventQueue
) {
617 if (eventQueue
.size() > 0) {
618 synchronized (queue
) {
619 queue
.addAll(eventQueue
);
627 * Restore terminal to normal state.
629 public void closeTerminal() {
634 * Set listener to a different Object.
636 * @param listener the new listening object that run() wakes up on new
639 public void setListener(final Object listener
) {
640 this.listener
= listener
;
644 * Reload options from System properties.
646 public void reloadOptions() {
647 // Figure out my cursor style.
648 String cursorStyleString
= System
.getProperty(
649 "jexer.Swing.cursorStyle", "underline").toLowerCase();
650 if (cursorStyleString
.equals("underline")) {
651 cursorStyle
= CursorStyle
.UNDERLINE
;
652 } else if (cursorStyleString
.equals("outline")) {
653 cursorStyle
= CursorStyle
.OUTLINE
;
654 } else if (cursorStyleString
.equals("block")) {
655 cursorStyle
= CursorStyle
.BLOCK
;
656 } else if (cursorStyleString
.equals("verticalbar")) {
657 cursorStyle
= CursorStyle
.VERTICAL_BAR
;
660 // Pull the system property for triple buffering.
661 if (System
.getProperty("jexer.Swing.tripleBuffer",
662 "true").equals("true")
664 SwingComponent
.tripleBuffer
= true;
666 SwingComponent
.tripleBuffer
= false;
670 setCustomSystemColors();
673 // ------------------------------------------------------------------------
674 // SwingTerminal ----------------------------------------------------------
675 // ------------------------------------------------------------------------
678 * Get the width of a character cell in pixels.
680 * @return the width in pixels of a character cell
682 public int getTextWidth() {
687 * Get the height of a character cell in pixels.
689 * @return the height in pixels of a character cell
691 public int getTextHeight() {
696 * Setup Swing colors to match DOS color palette.
698 private static void setDOSColors() {
702 MYBLACK
= new Color(0x00, 0x00, 0x00);
703 MYRED
= new Color(0xa8, 0x00, 0x00);
704 MYGREEN
= new Color(0x00, 0xa8, 0x00);
705 MYYELLOW
= new Color(0xa8, 0x54, 0x00);
706 MYBLUE
= new Color(0x00, 0x00, 0xa8);
707 MYMAGENTA
= new Color(0xa8, 0x00, 0xa8);
708 MYCYAN
= new Color(0x00, 0xa8, 0xa8);
709 MYWHITE
= new Color(0xa8, 0xa8, 0xa8);
710 MYBOLD_BLACK
= new Color(0x54, 0x54, 0x54);
711 MYBOLD_RED
= new Color(0xfc, 0x54, 0x54);
712 MYBOLD_GREEN
= new Color(0x54, 0xfc, 0x54);
713 MYBOLD_YELLOW
= new Color(0xfc, 0xfc, 0x54);
714 MYBOLD_BLUE
= new Color(0x54, 0x54, 0xfc);
715 MYBOLD_MAGENTA
= new Color(0xfc, 0x54, 0xfc);
716 MYBOLD_CYAN
= new Color(0x54, 0xfc, 0xfc);
717 MYBOLD_WHITE
= new Color(0xfc, 0xfc, 0xfc);
723 * Setup Swing colors to match those provided in system properties.
725 private static void setCustomSystemColors() {
726 synchronized (SwingTerminal
.class) {
727 MYBLACK
= getCustomColor("jexer.Swing.color0", MYBLACK
);
728 MYRED
= getCustomColor("jexer.Swing.color1", MYRED
);
729 MYGREEN
= getCustomColor("jexer.Swing.color2", MYGREEN
);
730 MYYELLOW
= getCustomColor("jexer.Swing.color3", MYYELLOW
);
731 MYBLUE
= getCustomColor("jexer.Swing.color4", MYBLUE
);
732 MYMAGENTA
= getCustomColor("jexer.Swing.color5", MYMAGENTA
);
733 MYCYAN
= getCustomColor("jexer.Swing.color6", MYCYAN
);
734 MYWHITE
= getCustomColor("jexer.Swing.color7", MYWHITE
);
735 MYBOLD_BLACK
= getCustomColor("jexer.Swing.color8", MYBOLD_BLACK
);
736 MYBOLD_RED
= getCustomColor("jexer.Swing.color9", MYBOLD_RED
);
737 MYBOLD_GREEN
= getCustomColor("jexer.Swing.color10", MYBOLD_GREEN
);
738 MYBOLD_YELLOW
= getCustomColor("jexer.Swing.color11", MYBOLD_YELLOW
);
739 MYBOLD_BLUE
= getCustomColor("jexer.Swing.color12", MYBOLD_BLUE
);
740 MYBOLD_MAGENTA
= getCustomColor("jexer.Swing.color13", MYBOLD_MAGENTA
);
741 MYBOLD_CYAN
= getCustomColor("jexer.Swing.color14", MYBOLD_CYAN
);
742 MYBOLD_WHITE
= getCustomColor("jexer.Swing.color15", MYBOLD_WHITE
);
747 * Setup one Swing color to match the RGB value provided in system
750 * @param key the system property key
751 * @param defaultColor the default color to return if key is not set, or
753 * @return a color from the RGB string, or defaultColor
755 private static Color
getCustomColor(final String key
,
756 final Color defaultColor
) {
758 String rgb
= System
.getProperty(key
);
762 if (rgb
.startsWith("#")) {
763 rgb
= rgb
.substring(1);
767 rgbInt
= Integer
.parseInt(rgb
, 16);
768 } catch (NumberFormatException e
) {
771 Color color
= new Color((rgbInt
& 0xFF0000) >>> 16,
772 (rgbInt
& 0x00FF00) >>> 8,
773 (rgbInt
& 0x0000FF));
779 * Get the number of millis to wait before switching the blink from
780 * visible to invisible.
782 * @return the number of milli to wait before switching the blink from
783 * visible to invisible
785 public long getBlinkMillis() {
790 * Get the current status of the blink flag.
792 * @return true if the cursor and blinking text should be visible
794 public boolean getCursorBlinkVisible() {
795 return cursorBlinkVisible
;
799 * Get the font size in points.
801 * @return font size in points
803 public int getFontSize() {
808 * Set the font size in points.
810 * @param fontSize font size in points
812 public void setFontSize(final int fontSize
) {
813 this.fontSize
= fontSize
;
814 Font newFont
= font
.deriveFont((float) fontSize
);
819 * Set to a new font, and resize the screen to match its dimensions.
821 * @param font the new font
823 public void setFont(final Font font
) {
824 synchronized (this) {
828 glyphCacheBlink
= new HashMap
<Cell
, BufferedImage
>();
829 glyphCache
= new HashMap
<Cell
, BufferedImage
>();
830 resizeToScreen(true);
835 * Get the font this screen was last set to.
839 public Font
getFont() {
844 * Set the font to Terminus, the best all-around font for both CP437 and
847 public void setDefaultFont() {
849 ClassLoader loader
= Thread
.currentThread().getContextClassLoader();
850 InputStream in
= loader
.getResourceAsStream(FONTFILE
);
851 Font terminusRoot
= Font
.createFont(Font
.TRUETYPE_FONT
, in
);
852 Font terminus
= terminusRoot
.deriveFont(Font
.PLAIN
, fontSize
);
854 } catch (java
.awt
.FontFormatException e
) {
856 font
= new Font(Font
.MONOSPACED
, Font
.PLAIN
, fontSize
);
857 } catch (java
.io
.IOException e
) {
859 font
= new Font(Font
.MONOSPACED
, Font
.PLAIN
, fontSize
);
866 * Get the X text adjustment.
868 * @return X text adjustment
870 public int getTextAdjustX() {
875 * Set the X text adjustment.
877 * @param textAdjustX the X text adjustment
879 public void setTextAdjustX(final int textAdjustX
) {
880 synchronized (this) {
881 this.textAdjustX
= textAdjustX
;
882 glyphCacheBlink
= new HashMap
<Cell
, BufferedImage
>();
883 glyphCache
= new HashMap
<Cell
, BufferedImage
>();
889 * Get the Y text adjustment.
891 * @return Y text adjustment
893 public int getTextAdjustY() {
898 * Set the Y text adjustment.
900 * @param textAdjustY the Y text adjustment
902 public void setTextAdjustY(final int textAdjustY
) {
903 synchronized (this) {
904 this.textAdjustY
= textAdjustY
;
905 glyphCacheBlink
= new HashMap
<Cell
, BufferedImage
>();
906 glyphCache
= new HashMap
<Cell
, BufferedImage
>();
912 * Get the height text adjustment.
914 * @return height text adjustment
916 public int getTextAdjustHeight() {
917 return textAdjustHeight
;
921 * Set the height text adjustment.
923 * @param textAdjustHeight the height text adjustment
925 public void setTextAdjustHeight(final int textAdjustHeight
) {
926 synchronized (this) {
927 this.textAdjustHeight
= textAdjustHeight
;
928 textHeight
= fontTextHeight
+ textAdjustHeight
;
929 glyphCacheBlink
= new HashMap
<Cell
, BufferedImage
>();
930 glyphCache
= new HashMap
<Cell
, BufferedImage
>();
936 * Get the width text adjustment.
938 * @return width text adjustment
940 public int getTextAdjustWidth() {
941 return textAdjustWidth
;
945 * Set the width text adjustment.
947 * @param textAdjustWidth the width text adjustment
949 public void setTextAdjustWidth(final int textAdjustWidth
) {
950 synchronized (this) {
951 this.textAdjustWidth
= textAdjustWidth
;
952 textWidth
= fontTextWidth
+ textAdjustWidth
;
953 glyphCacheBlink
= new HashMap
<Cell
, BufferedImage
>();
954 glyphCache
= new HashMap
<Cell
, BufferedImage
>();
960 * Convert a CellAttributes foreground color to an Swing Color.
962 * @param attr the text attributes
963 * @return the Swing Color
965 public static Color
attrToForegroundColor(final CellAttributes attr
) {
966 int rgb
= attr
.getForeColorRGB();
968 int red
= (rgb
>> 16) & 0xFF;
969 int green
= (rgb
>> 8) & 0xFF;
970 int blue
= rgb
& 0xFF;
972 return new Color(red
, green
, blue
);
976 if (attr
.getForeColor().equals(jexer
.bits
.Color
.BLACK
)) {
978 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.RED
)) {
980 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.BLUE
)) {
982 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.GREEN
)) {
984 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.YELLOW
)) {
985 return MYBOLD_YELLOW
;
986 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.CYAN
)) {
988 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.MAGENTA
)) {
989 return MYBOLD_MAGENTA
;
990 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.WHITE
)) {
994 if (attr
.getForeColor().equals(jexer
.bits
.Color
.BLACK
)) {
996 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.RED
)) {
998 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.BLUE
)) {
1000 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.GREEN
)) {
1002 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.YELLOW
)) {
1004 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.CYAN
)) {
1006 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.MAGENTA
)) {
1008 } else if (attr
.getForeColor().equals(jexer
.bits
.Color
.WHITE
)) {
1012 throw new IllegalArgumentException("Invalid color: " +
1013 attr
.getForeColor().getValue());
1017 * Convert a CellAttributes background color to an Swing Color.
1019 * @param attr the text attributes
1020 * @return the Swing Color
1022 public static Color
attrToBackgroundColor(final CellAttributes attr
) {
1023 int rgb
= attr
.getBackColorRGB();
1025 int red
= (rgb
>> 16) & 0xFF;
1026 int green
= (rgb
>> 8) & 0xFF;
1027 int blue
= rgb
& 0xFF;
1029 return new Color(red
, green
, blue
);
1032 if (attr
.getBackColor().equals(jexer
.bits
.Color
.BLACK
)) {
1034 } else if (attr
.getBackColor().equals(jexer
.bits
.Color
.RED
)) {
1036 } else if (attr
.getBackColor().equals(jexer
.bits
.Color
.BLUE
)) {
1038 } else if (attr
.getBackColor().equals(jexer
.bits
.Color
.GREEN
)) {
1040 } else if (attr
.getBackColor().equals(jexer
.bits
.Color
.YELLOW
)) {
1042 } else if (attr
.getBackColor().equals(jexer
.bits
.Color
.CYAN
)) {
1044 } else if (attr
.getBackColor().equals(jexer
.bits
.Color
.MAGENTA
)) {
1046 } else if (attr
.getBackColor().equals(jexer
.bits
.Color
.WHITE
)) {
1049 throw new IllegalArgumentException("Invalid color: " +
1050 attr
.getBackColor().getValue());
1054 * Figure out what textAdjustX, textAdjustY, textAdjustHeight, and
1055 * textAdjustWidth should be, based on the location of a vertical bar and
1058 private void getFontAdjustments() {
1059 BufferedImage image
= null;
1061 // What SHOULD happen is that the topmost/leftmost white pixel is at
1062 // position (gr2x, gr2y). But it might also be off by a pixel in
1063 // either direction.
1065 Graphics2D gr2
= null;
1068 image
= new BufferedImage(fontTextWidth
* 2, fontTextHeight
* 2,
1069 BufferedImage
.TYPE_INT_ARGB
);
1071 gr2
= image
.createGraphics();
1072 gr2
.setFont(swing
.getFont());
1073 gr2
.setColor(java
.awt
.Color
.BLACK
);
1074 gr2
.fillRect(0, 0, fontTextWidth
* 2, fontTextHeight
* 2);
1075 gr2
.setColor(java
.awt
.Color
.WHITE
);
1076 char [] chars
= new char[1];
1077 chars
[0] = jexer
.bits
.GraphicsChars
.SINGLE_BAR
;
1078 gr2
.drawChars(chars
, 0, 1, gr2x
, gr2y
+ fontTextHeight
- maxDescent
);
1079 chars
[0] = jexer
.bits
.GraphicsChars
.VERTICAL_BAR
;
1080 gr2
.drawChars(chars
, 0, 1, gr2x
, gr2y
+ fontTextHeight
- maxDescent
);
1083 int top
= fontTextHeight
* 2;
1085 int left
= fontTextWidth
* 2;
1089 textAdjustHeight
= 0;
1090 textAdjustWidth
= 0;
1092 for (int x
= 0; x
< fontTextWidth
* 2; x
++) {
1093 for (int y
= 0; y
< fontTextHeight
* 2; y
++) {
1096 System.err.println("H X: " + x + " Y: " + y + " " +
1097 image.getRGB(x, y));
1100 if ((image
.getRGB(x
, y
) & 0xFFFFFF) != 0) {
1101 // Pixel is present.
1118 textAdjustX
= (gr2x
- left
);
1119 textAdjustWidth
= fontTextWidth
- (right
- left
+ 1);
1122 textAdjustY
= (gr2y
- top
);
1123 textAdjustHeight
= fontTextHeight
- (bottom
- top
+ 1);
1125 // System.err.println("top " + top + " bottom " + bottom);
1126 // System.err.println("left " + left + " right " + right);
1128 // Special case: do not believe fonts that claim to be wider than
1130 if (fontTextWidth
>= fontTextHeight
) {
1132 textAdjustWidth
= 0;
1133 fontTextWidth
= fontTextHeight
/ 2;
1138 * Figure out my font dimensions. This code path works OK for the JFrame
1139 * case, and can be called immediately after JFrame creation.
1141 private void getFontDimensions() {
1142 swing
.setFont(font
);
1143 Graphics gr
= swing
.getGraphics();
1147 getFontDimensions(gr
);
1151 * Figure out my font dimensions. This code path is needed to lazy-load
1152 * the information inside paint().
1154 * @param gr Graphics object to use
1156 private void getFontDimensions(final Graphics gr
) {
1157 swing
.setFont(font
);
1158 FontMetrics fm
= gr
.getFontMetrics();
1159 maxDescent
= fm
.getMaxDescent();
1160 Rectangle2D bounds
= fm
.getMaxCharBounds(gr
);
1161 int leading
= fm
.getLeading();
1162 fontTextWidth
= (int)Math
.round(bounds
.getWidth());
1163 // fontTextHeight = (int)Math.round(bounds.getHeight()) - maxDescent;
1165 // This produces the same number, but works better for ugly
1167 fontTextHeight
= fm
.getMaxAscent() + maxDescent
- leading
;
1169 getFontAdjustments();
1170 textHeight
= fontTextHeight
+ textAdjustHeight
;
1171 textWidth
= fontTextWidth
+ textAdjustWidth
;
1173 if (sessionInfo
!= null) {
1174 sessionInfo
.setTextCellDimensions(textWidth
, textHeight
);
1176 gotFontDimensions
= true;
1180 * Resize the physical screen to match the logical screen dimensions.
1182 * @param resizeComponent if true, resize the Swing component
1184 private void resizeToScreen(final boolean resizeComponent
) {
1185 if (resizeComponent
) {
1186 swing
.setDimensions(textWidth
* width
, textHeight
* height
);
1192 * Resize the physical screen to match the logical screen dimensions.
1195 public void resizeToScreen() {
1196 resizeToScreen(false);
1200 * Draw one cell's image to the screen.
1202 * @param gr the Swing Graphics context
1203 * @param cell the Cell to draw
1204 * @param xPixel the x-coordinate to render to. 0 means the
1205 * left-most pixel column.
1206 * @param yPixel the y-coordinate to render to. 0 means the top-most
1209 private void drawImage(final Graphics gr
, final Cell cell
,
1210 final int xPixel
, final int yPixel
) {
1213 System.err.println("drawImage(): " + xPixel + " " + yPixel +
1217 // Draw the background rectangle, then the foreground character.
1218 assert (cell
.isImage());
1219 gr
.setColor(cell
.getBackground());
1220 gr
.fillRect(xPixel
, yPixel
, textWidth
, textHeight
);
1222 BufferedImage image
= cell
.getImage();
1223 if (image
!= null) {
1224 if (swing
.getFrame() != null) {
1225 gr
.drawImage(image
, xPixel
, yPixel
, swing
.getFrame());
1227 gr
.drawImage(image
, xPixel
, yPixel
, swing
.getComponent());
1234 * Draw one glyph to the screen.
1236 * @param gr the Swing Graphics context
1237 * @param cell the Cell to draw
1238 * @param xPixel the x-coordinate to render to. 0 means the
1239 * left-most pixel column.
1240 * @param yPixel the y-coordinate to render to. 0 means the top-most
1243 private void drawGlyph(final Graphics gr
, final Cell cell
,
1244 final int xPixel
, final int yPixel
) {
1247 System.err.println("drawGlyph(): " + xPixel + " " + yPixel +
1251 BufferedImage image
= null;
1252 if (cell
.isBlink() && !cursorBlinkVisible
) {
1253 image
= glyphCacheBlink
.get(cell
);
1255 image
= glyphCache
.get(cell
);
1257 if (image
!= null) {
1258 if (swing
.getFrame() != null) {
1259 gr
.drawImage(image
, xPixel
, yPixel
, swing
.getFrame());
1261 gr
.drawImage(image
, xPixel
, yPixel
, swing
.getComponent());
1266 // Generate glyph and draw it.
1267 Graphics2D gr2
= null;
1270 if ((SwingComponent
.tripleBuffer
) && (swing
.getFrame() != null)) {
1271 image
= new BufferedImage(textWidth
, textHeight
,
1272 BufferedImage
.TYPE_INT_ARGB
);
1273 gr2
= image
.createGraphics();
1274 gr2
.setFont(swing
.getFont());
1278 gr2
= (Graphics2D
) gr
;
1281 Cell cellColor
= new Cell(cell
);
1283 // Check for reverse
1284 if (cell
.isReverse()) {
1285 cellColor
.setForeColor(cell
.getBackColor());
1286 cellColor
.setBackColor(cell
.getForeColor());
1289 // Draw the background rectangle, then the foreground character.
1290 gr2
.setColor(attrToBackgroundColor(cellColor
));
1291 gr2
.fillRect(gr2x
, gr2y
, textWidth
, textHeight
);
1293 // Handle blink and underline
1295 || (cell
.isBlink() && cursorBlinkVisible
)
1297 gr2
.setColor(attrToForegroundColor(cellColor
));
1298 char [] chars
= Character
.toChars(cell
.getChar());
1299 gr2
.drawChars(chars
, 0, chars
.length
, gr2x
+ textAdjustX
,
1300 gr2y
+ textHeight
- maxDescent
+ textAdjustY
);
1302 if (cell
.isUnderline()) {
1303 gr2
.fillRect(gr2x
, gr2y
+ textHeight
- 2, textWidth
, 2);
1307 if ((SwingComponent
.tripleBuffer
) && (swing
.getFrame() != null)) {
1310 // We need a new key that will not be mutated by
1312 Cell key
= new Cell(cell
);
1313 if (cell
.isBlink() && !cursorBlinkVisible
) {
1314 glyphCacheBlink
.put(key
, image
);
1316 glyphCache
.put(key
, image
);
1319 if (swing
.getFrame() != null) {
1320 gr
.drawImage(image
, xPixel
, yPixel
, swing
.getFrame());
1322 gr
.drawImage(image
, xPixel
, yPixel
, swing
.getComponent());
1329 * Check if the cursor is visible, and if so draw it.
1331 * @param gr the Swing Graphics context
1333 private void drawCursor(final Graphics gr
) {
1338 && (cursorY
<= height
- 1)
1339 && (cursorX
<= width
- 1)
1340 && cursorBlinkVisible
1342 int xPixel
= cursorX
* textWidth
+ left
;
1343 int yPixel
= cursorY
* textHeight
+ top
;
1344 Cell lCell
= logical
[cursorX
][cursorY
];
1345 int cursorWidth
= textWidth
;
1346 switch (lCell
.getWidth()) {
1355 xPixel
-= textWidth
;
1358 gr
.setColor(attrToForegroundColor(lCell
));
1359 switch (cursorStyle
) {
1363 gr
.fillRect(xPixel
, yPixel
+ textHeight
- 2, cursorWidth
, 2);
1366 gr
.fillRect(xPixel
, yPixel
, cursorWidth
, textHeight
);
1369 gr
.drawRect(xPixel
, yPixel
, cursorWidth
- 1, textHeight
- 1);
1372 gr
.fillRect(xPixel
, yPixel
, 2, textHeight
);
1379 * Reset the blink timer.
1381 private void resetBlinkTimer() {
1382 lastBlinkTime
= System
.currentTimeMillis();
1383 cursorBlinkVisible
= true;
1387 * Paint redraws the whole screen.
1389 * @param gr the Swing Graphics context
1391 public void paint(final Graphics gr
) {
1393 if (gotFontDimensions
== false) {
1394 // Lazy-load the text width/height
1395 getFontDimensions(gr
);
1397 System.err.println("textWidth " + textWidth +
1398 " textHeight " + textHeight);
1399 System.err.println("FONT: " + swing.getFont() + " font " + font);
1403 if ((swing
.getFrame() != null)
1404 && (swing
.getBufferStrategy() != null)
1405 && (SwingUtilities
.isEventDispatchThread())
1407 // System.err.println("paint(), skip first paint on swing thread");
1412 int xCellMax
= width
;
1414 int yCellMax
= height
;
1416 Rectangle bounds
= gr
.getClipBounds();
1417 if (bounds
!= null) {
1418 // Only update what is in the bounds
1419 xCellMin
= textColumn(bounds
.x
);
1420 xCellMax
= textColumn(bounds
.x
+ bounds
.width
) + 1;
1421 if (xCellMax
> width
) {
1424 if (xCellMin
>= xCellMax
) {
1425 xCellMin
= xCellMax
- 2;
1430 yCellMin
= textRow(bounds
.y
);
1431 yCellMax
= textRow(bounds
.y
+ bounds
.height
) + 1;
1432 if (yCellMax
> height
) {
1435 if (yCellMin
>= yCellMax
) {
1436 yCellMin
= yCellMax
- 2;
1442 // We need a total repaint
1443 reallyCleared
= true;
1446 // Prevent updates to the screen's data from the TApplication
1448 synchronized (this) {
1451 System.err.printf("bounds %s X %d %d Y %d %d\n",
1452 bounds, xCellMin, xCellMax, yCellMin, yCellMax);
1455 for (int y
= yCellMin
; y
< yCellMax
; y
++) {
1456 for (int x
= xCellMin
; x
< xCellMax
; x
++) {
1458 int xPixel
= x
* textWidth
+ left
;
1459 int yPixel
= y
* textHeight
+ top
;
1461 Cell lCell
= logical
[x
][y
];
1462 Cell pCell
= physical
[x
][y
];
1464 if (!lCell
.equals(pCell
)
1467 || (swing
.getFrame() == null)) {
1469 if (lCell
.isImage()) {
1470 drawImage(gr
, lCell
, xPixel
, yPixel
);
1472 drawGlyph(gr
, lCell
, xPixel
, yPixel
);
1475 // Physical is always updated
1476 physical
[x
][y
].setTo(lCell
);
1482 reallyCleared
= false;
1483 } // synchronized (this)
1487 * Restore terminal to normal state.
1489 public void shutdown() {
1494 * Push the logical screen to the physical device.
1496 private void drawToSwing() {
1499 System.err.printf("drawToSwing(): reallyCleared %s dirty %s\n",
1500 reallyCleared, dirty);
1503 // If reallyCleared is set, we have to draw everything.
1504 if ((swing
.getFrame() != null)
1505 && (swing
.getBufferStrategy() != null)
1506 && (reallyCleared
== true)
1508 // Triple-buffering: we have to redraw everything on this thread.
1509 Graphics gr
= swing
.getBufferStrategy().getDrawGraphics();
1512 swing
.getBufferStrategy().show();
1513 Toolkit
.getDefaultToolkit().sync();
1515 } else if (((swing
.getFrame() != null)
1516 && (swing
.getBufferStrategy() == null))
1517 || (reallyCleared
== true)
1519 // Repaint everything on the Swing thread.
1520 // System.err.println("REPAINT ALL");
1525 if ((swing
.getFrame() != null) && (swing
.getBufferStrategy() != null)) {
1526 Graphics gr
= swing
.getBufferStrategy().getDrawGraphics();
1528 synchronized (this) {
1529 for (int y
= 0; y
< height
; y
++) {
1530 for (int x
= 0; x
< width
; x
++) {
1531 Cell lCell
= logical
[x
][y
];
1532 Cell pCell
= physical
[x
][y
];
1534 int xPixel
= x
* textWidth
+ left
;
1535 int yPixel
= y
* textHeight
+ top
;
1537 if (!lCell
.equals(pCell
)
1541 || (lCell
.isBlink())
1543 if (lCell
.isImage()) {
1544 drawImage(gr
, lCell
, xPixel
, yPixel
);
1546 drawGlyph(gr
, lCell
, xPixel
, yPixel
);
1548 physical
[x
][y
].setTo(lCell
);
1553 } // synchronized (this)
1556 swing
.getBufferStrategy().show();
1557 Toolkit
.getDefaultToolkit().sync();
1561 // Swing thread version: request a repaint, but limit it to the area
1562 // that has changed.
1564 // Find the minimum-size damaged region.
1565 int xMin
= swing
.getWidth();
1567 int yMin
= swing
.getHeight();
1570 synchronized (this) {
1571 for (int y
= 0; y
< height
; y
++) {
1572 for (int x
= 0; x
< width
; x
++) {
1573 Cell lCell
= logical
[x
][y
];
1574 Cell pCell
= physical
[x
][y
];
1576 int xPixel
= x
* textWidth
+ left
;
1577 int yPixel
= y
* textHeight
+ top
;
1579 if (!lCell
.equals(pCell
)
1585 if (xPixel
< xMin
) {
1588 if (xPixel
+ textWidth
> xMax
) {
1589 xMax
= xPixel
+ textWidth
;
1591 if (yPixel
< yMin
) {
1594 if (yPixel
+ textHeight
> yMax
) {
1595 yMax
= yPixel
+ textHeight
;
1601 if (xMin
+ textWidth
>= xMax
) {
1604 if (yMin
+ textHeight
>= yMax
) {
1608 // Repaint the desired area
1610 System.err.printf("REPAINT X %d %d Y %d %d\n", xMin, xMax,
1614 if ((swing
.getFrame() != null) && (swing
.getBufferStrategy() != null)) {
1615 // This path should never be taken, but is left here for
1617 Graphics gr
= swing
.getBufferStrategy().getDrawGraphics();
1618 Rectangle bounds
= new Rectangle(xMin
, yMin
, xMax
- xMin
,
1623 swing
.getBufferStrategy().show();
1624 Toolkit
.getDefaultToolkit().sync();
1626 // Repaint on the Swing thread.
1627 swing
.repaint(xMin
, yMin
, xMax
- xMin
, yMax
- yMin
);
1632 * Convert pixel column position to text cell column position.
1634 * @param x pixel column position
1635 * @return text cell column position
1637 public int textColumn(final int x
) {
1638 int column
= ((x
- left
) / textWidth
);
1642 if (column
> width
- 1) {
1649 * Convert pixel row position to text cell row position.
1651 * @param y pixel row position
1652 * @return text cell row position
1654 public int textRow(final int y
) {
1655 int row
= ((y
- top
) / textHeight
);
1659 if (row
> height
- 1) {
1666 * Getter for sessionInfo.
1668 * @return the SessionInfo
1670 public SessionInfo
getSessionInfo() {
1675 * Getter for the underlying Swing component.
1677 * @return the SwingComponent
1679 public SwingComponent
getSwingComponent() {
1683 // ------------------------------------------------------------------------
1684 // KeyListener ------------------------------------------------------------
1685 // ------------------------------------------------------------------------
1688 * Pass Swing keystrokes into the event queue.
1690 * @param key keystroke received
1692 public void keyReleased(final KeyEvent key
) {
1693 // Ignore release events
1697 * Pass Swing keystrokes into the event queue.
1699 * @param key keystroke received
1701 public void keyTyped(final KeyEvent key
) {
1702 // Ignore typed events
1706 * Pass Swing keystrokes into the event queue.
1708 * @param key keystroke received
1710 public void keyPressed(final KeyEvent key
) {
1711 boolean alt
= false;
1712 boolean shift
= false;
1713 boolean ctrl
= false;
1715 boolean isKey
= false;
1716 if (key
.isActionKey()) {
1719 ch
= key
.getKeyChar();
1721 alt
= key
.isAltDown();
1722 ctrl
= key
.isControlDown();
1723 shift
= key
.isShiftDown();
1726 System.err.printf("Swing Key: %s\n", key);
1727 System.err.printf(" isKey: %s\n", isKey);
1728 System.err.printf(" alt: %s\n", alt);
1729 System.err.printf(" ctrl: %s\n", ctrl);
1730 System.err.printf(" shift: %s\n", shift);
1731 System.err.printf(" ch: %s\n", ch);
1734 // Special case: not return the bare modifier presses
1735 switch (key
.getKeyCode()) {
1736 case KeyEvent
.VK_ALT
:
1738 case KeyEvent
.VK_ALT_GRAPH
:
1740 case KeyEvent
.VK_CONTROL
:
1742 case KeyEvent
.VK_SHIFT
:
1744 case KeyEvent
.VK_META
:
1750 TKeypress keypress
= null;
1752 switch (key
.getKeyCode()) {
1753 case KeyEvent
.VK_F1
:
1754 keypress
= new TKeypress(true, TKeypress
.F1
, ' ',
1757 case KeyEvent
.VK_F2
:
1758 keypress
= new TKeypress(true, TKeypress
.F2
, ' ',
1761 case KeyEvent
.VK_F3
:
1762 keypress
= new TKeypress(true, TKeypress
.F3
, ' ',
1765 case KeyEvent
.VK_F4
:
1766 keypress
= new TKeypress(true, TKeypress
.F4
, ' ',
1769 case KeyEvent
.VK_F5
:
1770 keypress
= new TKeypress(true, TKeypress
.F5
, ' ',
1773 case KeyEvent
.VK_F6
:
1774 keypress
= new TKeypress(true, TKeypress
.F6
, ' ',
1777 case KeyEvent
.VK_F7
:
1778 keypress
= new TKeypress(true, TKeypress
.F7
, ' ',
1781 case KeyEvent
.VK_F8
:
1782 keypress
= new TKeypress(true, TKeypress
.F8
, ' ',
1785 case KeyEvent
.VK_F9
:
1786 keypress
= new TKeypress(true, TKeypress
.F9
, ' ',
1789 case KeyEvent
.VK_F10
:
1790 keypress
= new TKeypress(true, TKeypress
.F10
, ' ',
1793 case KeyEvent
.VK_F11
:
1794 keypress
= new TKeypress(true, TKeypress
.F11
, ' ',
1797 case KeyEvent
.VK_F12
:
1798 keypress
= new TKeypress(true, TKeypress
.F12
, ' ',
1801 case KeyEvent
.VK_HOME
:
1802 keypress
= new TKeypress(true, TKeypress
.HOME
, ' ',
1805 case KeyEvent
.VK_END
:
1806 keypress
= new TKeypress(true, TKeypress
.END
, ' ',
1809 case KeyEvent
.VK_PAGE_UP
:
1810 keypress
= new TKeypress(true, TKeypress
.PGUP
, ' ',
1813 case KeyEvent
.VK_PAGE_DOWN
:
1814 keypress
= new TKeypress(true, TKeypress
.PGDN
, ' ',
1817 case KeyEvent
.VK_INSERT
:
1818 keypress
= new TKeypress(true, TKeypress
.INS
, ' ',
1821 case KeyEvent
.VK_DELETE
:
1822 keypress
= new TKeypress(true, TKeypress
.DEL
, ' ',
1825 case KeyEvent
.VK_RIGHT
:
1826 keypress
= new TKeypress(true, TKeypress
.RIGHT
, ' ',
1829 case KeyEvent
.VK_LEFT
:
1830 keypress
= new TKeypress(true, TKeypress
.LEFT
, ' ',
1833 case KeyEvent
.VK_UP
:
1834 keypress
= new TKeypress(true, TKeypress
.UP
, ' ',
1837 case KeyEvent
.VK_DOWN
:
1838 keypress
= new TKeypress(true, TKeypress
.DOWN
, ' ',
1841 case KeyEvent
.VK_TAB
:
1842 // Special case: distinguish TAB vs BTAB
1844 keypress
= kbShiftTab
;
1849 case KeyEvent
.VK_ENTER
:
1850 keypress
= new TKeypress(true, TKeypress
.ENTER
, ' ',
1853 case KeyEvent
.VK_ESCAPE
:
1854 keypress
= new TKeypress(true, TKeypress
.ESC
, ' ',
1857 case KeyEvent
.VK_BACK_SPACE
:
1858 keypress
= kbBackspace
;
1861 // Unsupported, ignore
1866 if (keypress
== null) {
1869 // Disambiguate ^H from Backspace.
1870 if (KeyEvent
.getKeyText(key
.getKeyCode()).equals("H")) {
1872 keypress
= kbBackspace
;
1874 // We are emulating Xterm here, where the backspace key
1875 // on the keyboard returns ^?.
1876 keypress
= kbBackspaceDel
;
1890 keypress
= kbShiftTab
;
1899 if (!alt
&& ctrl
&& !shift
) {
1900 // Control character, replace ch with 'A', 'B', etc.
1901 ch
= KeyEvent
.getKeyText(key
.getKeyCode()).charAt(0);
1903 // Not a special key, put it together
1904 keypress
= new TKeypress(false, 0, ch
, alt
, ctrl
, shift
);
1908 // Save it and we are done.
1909 synchronized (eventQueue
) {
1910 eventQueue
.add(new TKeypressEvent(keypress
));
1913 if (listener
!= null) {
1914 synchronized (listener
) {
1915 listener
.notifyAll();
1920 // ------------------------------------------------------------------------
1921 // WindowListener ---------------------------------------------------------
1922 // ------------------------------------------------------------------------
1925 * Pass window events into the event queue.
1927 * @param event window event received
1929 public void windowActivated(final WindowEvent event
) {
1930 // Force a total repaint
1931 synchronized (this) {
1937 * Pass window events into the event queue.
1939 * @param event window event received
1941 public void windowClosed(final WindowEvent event
) {
1946 * Pass window events into the event queue.
1948 * @param event window event received
1950 public void windowClosing(final WindowEvent event
) {
1951 // Drop a cmBackendDisconnect and walk away
1952 synchronized (eventQueue
) {
1953 eventQueue
.add(new TCommandEvent(cmBackendDisconnect
));
1956 if (listener
!= null) {
1957 synchronized (listener
) {
1958 listener
.notifyAll();
1964 * Pass window events into the event queue.
1966 * @param event window event received
1968 public void windowDeactivated(final WindowEvent event
) {
1973 * Pass window events into the event queue.
1975 * @param event window event received
1977 public void windowDeiconified(final WindowEvent event
) {
1982 * Pass window events into the event queue.
1984 * @param event window event received
1986 public void windowIconified(final WindowEvent event
) {
1991 * Pass window events into the event queue.
1993 * @param event window event received
1995 public void windowOpened(final WindowEvent event
) {
1999 // ------------------------------------------------------------------------
2000 // ComponentListener ------------------------------------------------------
2001 // ------------------------------------------------------------------------
2004 * Pass component events into the event queue.
2006 * @param event component event received
2008 public void componentHidden(final ComponentEvent event
) {
2013 * Pass component events into the event queue.
2015 * @param event component event received
2017 public void componentShown(final ComponentEvent event
) {
2022 * Pass component events into the event queue.
2024 * @param event component event received
2026 public void componentMoved(final ComponentEvent event
) {
2031 * Pass component events into the event queue.
2033 * @param event component event received
2035 public void componentResized(final ComponentEvent event
) {
2036 if (gotFontDimensions
== false) {
2037 // We are still waiting to get font information. Don't pass a
2039 // System.err.println("size " + swing.getComponent().getSize());
2043 if (sessionInfo
== null) {
2044 // This is the initial component resize in construction, bail
2049 // Drop a new TResizeEvent into the queue
2050 sessionInfo
.queryWindowSize();
2051 synchronized (eventQueue
) {
2052 TResizeEvent windowResize
= new TResizeEvent(TResizeEvent
.Type
.SCREEN
,
2053 sessionInfo
.getWindowWidth(), sessionInfo
.getWindowHeight());
2054 eventQueue
.add(windowResize
);
2057 System.err.println("Add resize event: " + windowResize.getWidth() +
2058 " x " + windowResize.getHeight());
2061 if (listener
!= null) {
2062 synchronized (listener
) {
2063 listener
.notifyAll();
2068 // ------------------------------------------------------------------------
2069 // MouseMotionListener ----------------------------------------------------
2070 // ------------------------------------------------------------------------
2073 * Pass mouse events into the event queue.
2075 * @param mouse mouse event received
2077 public void mouseDragged(final MouseEvent mouse
) {
2078 int modifiers
= mouse
.getModifiersEx();
2079 boolean eventMouse1
= false;
2080 boolean eventMouse2
= false;
2081 boolean eventMouse3
= false;
2082 if ((modifiers
& MouseEvent
.BUTTON1_DOWN_MASK
) != 0) {
2085 if ((modifiers
& MouseEvent
.BUTTON2_DOWN_MASK
) != 0) {
2088 if ((modifiers
& MouseEvent
.BUTTON3_DOWN_MASK
) != 0) {
2091 mouse1
= eventMouse1
;
2092 mouse2
= eventMouse2
;
2093 mouse3
= eventMouse3
;
2094 int x
= textColumn(mouse
.getX());
2095 int y
= textRow(mouse
.getY());
2097 TMouseEvent mouseEvent
= new TMouseEvent(TMouseEvent
.Type
.MOUSE_MOTION
,
2098 x
, y
, x
, y
, mouse1
, mouse2
, mouse3
, false, false);
2100 synchronized (eventQueue
) {
2101 eventQueue
.add(mouseEvent
);
2104 if (listener
!= null) {
2105 synchronized (listener
) {
2106 listener
.notifyAll();
2112 * Pass mouse events into the event queue.
2114 * @param mouse mouse event received
2116 public void mouseMoved(final MouseEvent mouse
) {
2117 int x
= textColumn(mouse
.getX());
2118 int y
= textRow(mouse
.getY());
2119 if ((x
== oldMouseX
) && (y
== oldMouseY
)) {
2120 // Bail out, we've moved some pixels but not a whole text cell.
2126 TMouseEvent mouseEvent
= new TMouseEvent(TMouseEvent
.Type
.MOUSE_MOTION
,
2127 x
, y
, x
, y
, mouse1
, mouse2
, mouse3
, false, false);
2129 synchronized (eventQueue
) {
2130 eventQueue
.add(mouseEvent
);
2133 if (listener
!= null) {
2134 synchronized (listener
) {
2135 listener
.notifyAll();
2140 // ------------------------------------------------------------------------
2141 // MouseListener ----------------------------------------------------------
2142 // ------------------------------------------------------------------------
2145 * Pass mouse events into the event queue.
2147 * @param mouse mouse event received
2149 public void mouseClicked(final MouseEvent mouse
) {
2154 * Pass mouse events into the event queue.
2156 * @param mouse mouse event received
2158 public void mouseEntered(final MouseEvent mouse
) {
2163 * Pass mouse events into the event queue.
2165 * @param mouse mouse event received
2167 public void mouseExited(final MouseEvent mouse
) {
2172 * Pass mouse events into the event queue.
2174 * @param mouse mouse event received
2176 public void mousePressed(final MouseEvent mouse
) {
2177 int modifiers
= mouse
.getModifiersEx();
2178 boolean eventMouse1
= false;
2179 boolean eventMouse2
= false;
2180 boolean eventMouse3
= false;
2181 if ((modifiers
& MouseEvent
.BUTTON1_DOWN_MASK
) != 0) {
2184 if ((modifiers
& MouseEvent
.BUTTON2_DOWN_MASK
) != 0) {
2187 if ((modifiers
& MouseEvent
.BUTTON3_DOWN_MASK
) != 0) {
2190 mouse1
= eventMouse1
;
2191 mouse2
= eventMouse2
;
2192 mouse3
= eventMouse3
;
2193 int x
= textColumn(mouse
.getX());
2194 int y
= textRow(mouse
.getY());
2196 TMouseEvent mouseEvent
= new TMouseEvent(TMouseEvent
.Type
.MOUSE_DOWN
,
2197 x
, y
, x
, y
, mouse1
, mouse2
, mouse3
, false, false);
2199 synchronized (eventQueue
) {
2200 eventQueue
.add(mouseEvent
);
2203 if (listener
!= null) {
2204 synchronized (listener
) {
2205 listener
.notifyAll();
2211 * Pass mouse events into the event queue.
2213 * @param mouse mouse event received
2215 public void mouseReleased(final MouseEvent mouse
) {
2216 int modifiers
= mouse
.getModifiersEx();
2217 boolean eventMouse1
= false;
2218 boolean eventMouse2
= false;
2219 boolean eventMouse3
= false;
2220 if ((modifiers
& MouseEvent
.BUTTON1_DOWN_MASK
) != 0) {
2223 if ((modifiers
& MouseEvent
.BUTTON2_DOWN_MASK
) != 0) {
2226 if ((modifiers
& MouseEvent
.BUTTON3_DOWN_MASK
) != 0) {
2241 int x
= textColumn(mouse
.getX());
2242 int y
= textRow(mouse
.getY());
2244 TMouseEvent mouseEvent
= new TMouseEvent(TMouseEvent
.Type
.MOUSE_UP
,
2245 x
, y
, x
, y
, eventMouse1
, eventMouse2
, eventMouse3
, false, false);
2247 synchronized (eventQueue
) {
2248 eventQueue
.add(mouseEvent
);
2251 if (listener
!= null) {
2252 synchronized (listener
) {
2253 listener
.notifyAll();
2258 // ------------------------------------------------------------------------
2259 // MouseWheelListener -----------------------------------------------------
2260 // ------------------------------------------------------------------------
2263 * Pass mouse events into the event queue.
2265 * @param mouse mouse event received
2267 public void mouseWheelMoved(final MouseWheelEvent mouse
) {
2268 int modifiers
= mouse
.getModifiersEx();
2269 boolean eventMouse1
= false;
2270 boolean eventMouse2
= false;
2271 boolean eventMouse3
= false;
2272 boolean mouseWheelUp
= false;
2273 boolean mouseWheelDown
= false;
2274 if ((modifiers
& MouseEvent
.BUTTON1_DOWN_MASK
) != 0) {
2277 if ((modifiers
& MouseEvent
.BUTTON2_DOWN_MASK
) != 0) {
2280 if ((modifiers
& MouseEvent
.BUTTON3_DOWN_MASK
) != 0) {
2283 mouse1
= eventMouse1
;
2284 mouse2
= eventMouse2
;
2285 mouse3
= eventMouse3
;
2286 int x
= textColumn(mouse
.getX());
2287 int y
= textRow(mouse
.getY());
2288 if (mouse
.getWheelRotation() > 0) {
2289 mouseWheelDown
= true;
2291 if (mouse
.getWheelRotation() < 0) {
2292 mouseWheelUp
= true;
2295 TMouseEvent mouseEvent
= new TMouseEvent(TMouseEvent
.Type
.MOUSE_DOWN
,
2296 x
, y
, x
, y
, mouse1
, mouse2
, mouse3
, mouseWheelUp
, mouseWheelDown
);
2298 synchronized (eventQueue
) {
2299 eventQueue
.add(mouseEvent
);
2302 if (listener
!= null) {
2303 synchronized (listener
) {
2304 listener
.notifyAll();