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1ac2ccb1 KL |
1 | /** |
2 | * Jexer - Java Text User Interface | |
3 | * | |
4 | * License: LGPLv3 or later | |
5 | * | |
6 | * This module is licensed under the GNU Lesser General Public License | |
7 | * Version 3. Please see the file "COPYING" in this directory for more | |
8 | * information about the GNU Lesser General Public License Version 3. | |
9 | * | |
10 | * Copyright (C) 2015 Kevin Lamonte | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU Lesser General Public License | |
14 | * as published by the Free Software Foundation; either version 3 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, but | |
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 | * General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU Lesser General Public | |
23 | * License along with this program; if not, see | |
24 | * http://www.gnu.org/licenses/, or write to the Free Software | |
25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
26 | * 02110-1301 USA | |
27 | * | |
28 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
29 | * @version 1 | |
30 | */ | |
31 | package jexer.io; | |
32 | ||
33 | import jexer.bits.Cell; | |
34 | import jexer.bits.CellAttributes; | |
30bd4abd | 35 | import jexer.session.AWTSessionInfo; |
1ac2ccb1 KL |
36 | |
37 | import java.awt.Color; | |
38 | import java.awt.Cursor; | |
39 | import java.awt.Font; | |
40 | import java.awt.FontMetrics; | |
41 | import java.awt.Frame; | |
42 | import java.awt.Graphics; | |
84614868 | 43 | import java.awt.Insets; |
30bd4abd KL |
44 | import java.awt.Point; |
45 | import java.awt.Rectangle; | |
46 | import java.awt.Toolkit; | |
1ac2ccb1 | 47 | import java.awt.geom.Rectangle2D; |
30bd4abd | 48 | import java.awt.image.BufferedImage; |
84614868 | 49 | import java.io.InputStream; |
aed33687 KL |
50 | import javax.swing.JFrame; |
51 | import javax.swing.SwingUtilities; | |
1ac2ccb1 KL |
52 | |
53 | /** | |
54 | * This Screen implementation draws to a Java AWT Frame. | |
55 | */ | |
56 | public final class AWTScreen extends Screen { | |
57 | ||
84614868 KL |
58 | private static Color MYBLACK; |
59 | private static Color MYRED; | |
60 | private static Color MYGREEN; | |
61 | private static Color MYYELLOW; | |
62 | private static Color MYBLUE; | |
63 | private static Color MYMAGENTA; | |
64 | private static Color MYCYAN; | |
65 | private static Color MYWHITE; | |
66 | ||
67 | private static Color MYBOLD_BLACK; | |
68 | private static Color MYBOLD_RED; | |
69 | private static Color MYBOLD_GREEN; | |
70 | private static Color MYBOLD_YELLOW; | |
71 | private static Color MYBOLD_BLUE; | |
72 | private static Color MYBOLD_MAGENTA; | |
73 | private static Color MYBOLD_CYAN; | |
74 | private static Color MYBOLD_WHITE; | |
75 | ||
76 | private static boolean dosColors = false; | |
77 | ||
78 | /** | |
79 | * Setup AWT colors to match DOS color palette. | |
80 | */ | |
81 | private static void setDOSColors() { | |
82 | if (dosColors) { | |
83 | return; | |
84 | } | |
85 | MYBLACK = new Color(0x00, 0x00, 0x00); | |
86 | MYRED = new Color(0xa8, 0x00, 0x00); | |
87 | MYGREEN = new Color(0x00, 0xa8, 0x00); | |
88 | MYYELLOW = new Color(0xa8, 0x54, 0x00); | |
89 | MYBLUE = new Color(0x00, 0x00, 0xa8); | |
90 | MYMAGENTA = new Color(0xa8, 0x00, 0xa8); | |
91 | MYCYAN = new Color(0x00, 0xa8, 0xa8); | |
92 | MYWHITE = new Color(0xa8, 0xa8, 0xa8); | |
93 | MYBOLD_BLACK = new Color(0x54, 0x54, 0x54); | |
94 | MYBOLD_RED = new Color(0xfc, 0x54, 0x54); | |
95 | MYBOLD_GREEN = new Color(0x54, 0xfc, 0x54); | |
96 | MYBOLD_YELLOW = new Color(0xfc, 0xfc, 0x54); | |
97 | MYBOLD_BLUE = new Color(0x54, 0x54, 0xfc); | |
98 | MYBOLD_MAGENTA = new Color(0xfc, 0x54, 0xfc); | |
99 | MYBOLD_CYAN = new Color(0x54, 0xfc, 0xfc); | |
100 | MYBOLD_WHITE = new Color(0xfc, 0xfc, 0xfc); | |
101 | ||
102 | dosColors = true; | |
103 | } | |
104 | ||
1ac2ccb1 KL |
105 | /** |
106 | * AWTFrame is our top-level hook into the AWT system. | |
107 | */ | |
aed33687 | 108 | class AWTFrame extends JFrame { |
1ac2ccb1 | 109 | |
84614868 KL |
110 | /** |
111 | * The terminus font resource filename. | |
112 | */ | |
113 | private static final String FONTFILE = "terminus-ttf-4.39/TerminusTTF-Bold-4.39.ttf"; | |
114 | ||
1ac2ccb1 KL |
115 | /** |
116 | * The TUI Screen data. | |
117 | */ | |
118 | AWTScreen screen; | |
119 | ||
120 | /** | |
121 | * Width of a character cell. | |
122 | */ | |
123 | private int textWidth = 1; | |
124 | ||
125 | /** | |
126 | * Height of a character cell. | |
127 | */ | |
128 | private int textHeight = 1; | |
129 | ||
84614868 KL |
130 | /** |
131 | * Descent of a character cell. | |
132 | */ | |
133 | private int maxDescent = 0; | |
134 | ||
1ac2ccb1 KL |
135 | /** |
136 | * Top pixel value. | |
137 | */ | |
138 | private int top = 30; | |
84614868 | 139 | |
1ac2ccb1 KL |
140 | /** |
141 | * Left pixel value. | |
142 | */ | |
143 | private int left = 30; | |
84614868 KL |
144 | |
145 | /** | |
146 | * Convert a CellAttributes foreground color to an AWT Color. | |
147 | * | |
148 | * @param attr the text attributes | |
149 | * @return the AWT Color | |
150 | */ | |
151 | private Color attrToForegroundColor(final CellAttributes attr) { | |
152 | /* | |
153 | * TODO: | |
154 | * reverse | |
155 | * blink | |
156 | * underline | |
157 | */ | |
158 | if (attr.getBold()) { | |
159 | if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) { | |
160 | return MYBOLD_BLACK; | |
161 | } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) { | |
162 | return MYBOLD_RED; | |
163 | } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) { | |
164 | return MYBOLD_BLUE; | |
165 | } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) { | |
166 | return MYBOLD_GREEN; | |
167 | } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) { | |
168 | return MYBOLD_YELLOW; | |
169 | } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) { | |
170 | return MYBOLD_CYAN; | |
171 | } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) { | |
172 | return MYBOLD_MAGENTA; | |
173 | } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) { | |
174 | return MYBOLD_WHITE; | |
175 | } | |
176 | } else { | |
177 | if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) { | |
178 | return MYBLACK; | |
179 | } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) { | |
180 | return MYRED; | |
181 | } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) { | |
182 | return MYBLUE; | |
183 | } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) { | |
184 | return MYGREEN; | |
185 | } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) { | |
186 | return MYYELLOW; | |
187 | } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) { | |
188 | return MYCYAN; | |
189 | } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) { | |
190 | return MYMAGENTA; | |
191 | } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) { | |
192 | return MYWHITE; | |
193 | } | |
194 | } | |
195 | throw new IllegalArgumentException("Invalid color: " + attr.getForeColor().getValue()); | |
196 | } | |
197 | ||
198 | /** | |
199 | * Convert a CellAttributes background color to an AWT Color. | |
200 | * | |
201 | * @param attr the text attributes | |
202 | * @return the AWT Color | |
203 | */ | |
204 | private Color attrToBackgroundColor(final CellAttributes attr) { | |
205 | /* | |
206 | * TODO: | |
207 | * reverse | |
208 | * blink | |
209 | * underline | |
210 | */ | |
211 | if (attr.getBackColor().equals(jexer.bits.Color.BLACK)) { | |
212 | return MYBLACK; | |
213 | } else if (attr.getBackColor().equals(jexer.bits.Color.RED)) { | |
214 | return MYRED; | |
215 | } else if (attr.getBackColor().equals(jexer.bits.Color.BLUE)) { | |
216 | return MYBLUE; | |
217 | } else if (attr.getBackColor().equals(jexer.bits.Color.GREEN)) { | |
218 | return MYGREEN; | |
219 | } else if (attr.getBackColor().equals(jexer.bits.Color.YELLOW)) { | |
220 | return MYYELLOW; | |
221 | } else if (attr.getBackColor().equals(jexer.bits.Color.CYAN)) { | |
222 | return MYCYAN; | |
223 | } else if (attr.getBackColor().equals(jexer.bits.Color.MAGENTA)) { | |
224 | return MYMAGENTA; | |
225 | } else if (attr.getBackColor().equals(jexer.bits.Color.WHITE)) { | |
226 | return MYWHITE; | |
227 | } | |
228 | throw new IllegalArgumentException("Invalid color: " + attr.getBackColor().getValue()); | |
229 | } | |
230 | ||
1ac2ccb1 KL |
231 | /** |
232 | * Public constructor. | |
84614868 KL |
233 | * |
234 | * @param screen the Screen that Backend talks to | |
1ac2ccb1 | 235 | */ |
84614868 KL |
236 | public AWTFrame(final AWTScreen screen) { |
237 | this.screen = screen; | |
238 | setDOSColors(); | |
239 | ||
1ac2ccb1 | 240 | setTitle("Jexer Application"); |
aed33687 | 241 | setBackground(Color.black); |
30bd4abd | 242 | // setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR)); |
84614868 | 243 | // setFont(new Font("Liberation Mono", Font.BOLD, 16)); |
1ac2ccb1 | 244 | // setFont(new Font(Font.MONOSPACED, Font.PLAIN, 16)); |
84614868 KL |
245 | |
246 | try { | |
30bd4abd | 247 | // Always try to use Terminus, the one decent font. |
84614868 KL |
248 | ClassLoader loader = Thread.currentThread().getContextClassLoader(); |
249 | InputStream in = loader.getResourceAsStream(FONTFILE); | |
250 | Font terminusRoot = Font.createFont(Font.TRUETYPE_FONT, in); | |
251 | Font terminus = terminusRoot.deriveFont(Font.PLAIN, 22); | |
252 | setFont(terminus); | |
253 | } catch (Exception e) { | |
254 | e.printStackTrace(); | |
255 | // setFont(new Font("Liberation Mono", Font.PLAIN, 24)); | |
256 | setFont(new Font(Font.MONOSPACED, Font.PLAIN, 24)); | |
257 | } | |
aed33687 | 258 | pack(); |
30bd4abd KL |
259 | |
260 | // Kill the X11 cursor | |
261 | // Transparent 16 x 16 pixel cursor image. | |
262 | BufferedImage cursorImg = new BufferedImage(16, 16, | |
263 | BufferedImage.TYPE_INT_ARGB); | |
264 | ||
265 | // Create a new blank cursor. | |
266 | Cursor blankCursor = Toolkit.getDefaultToolkit().createCustomCursor( | |
267 | cursorImg, new Point(0, 0), "blank cursor"); | |
268 | setCursor(blankCursor); | |
bd8d51fa | 269 | getFontDimensions(); |
1ac2ccb1 KL |
270 | } |
271 | ||
272 | /** | |
bd8d51fa | 273 | * Figure out my font dimensions. |
1ac2ccb1 | 274 | */ |
bd8d51fa | 275 | private void getFontDimensions() { |
84614868 KL |
276 | Graphics gr = getGraphics(); |
277 | FontMetrics fm = gr.getFontMetrics(); | |
278 | maxDescent = fm.getMaxDescent(); | |
279 | Rectangle2D bounds = fm.getMaxCharBounds(gr); | |
280 | int leading = fm.getLeading(); | |
281 | textWidth = (int)Math.round(bounds.getWidth()); | |
282 | textHeight = (int)Math.round(bounds.getHeight()) - maxDescent; | |
283 | // This also produces the same number, but works better for ugly | |
284 | // monospace. | |
285 | textHeight = fm.getMaxAscent() + maxDescent - leading; | |
bd8d51fa | 286 | } |
84614868 | 287 | |
bd8d51fa KL |
288 | /** |
289 | * Resize to font dimensions. | |
290 | */ | |
291 | public void resizeToScreen() { | |
84614868 KL |
292 | // Figure out the thickness of borders and use that to set the |
293 | // final size. | |
294 | Insets insets = getInsets(); | |
295 | left = insets.left; | |
296 | top = insets.top; | |
297 | ||
298 | setSize(textWidth * screen.width + insets.left + insets.right, | |
299 | textHeight * screen.height + insets.top + insets.bottom); | |
1ac2ccb1 KL |
300 | } |
301 | ||
30bd4abd KL |
302 | /** |
303 | * Update redraws the whole screen. | |
304 | * | |
305 | * @param gr the AWT Graphics context | |
306 | */ | |
307 | @Override | |
308 | public void update(final Graphics gr) { | |
309 | // The default update clears the area. Don't do that, instead | |
310 | // just paint it directly. | |
311 | paint(gr); | |
312 | } | |
313 | ||
1ac2ccb1 KL |
314 | /** |
315 | * Paint redraws the whole screen. | |
316 | * | |
317 | * @param gr the AWT Graphics context | |
318 | */ | |
319 | @Override | |
84614868 | 320 | public void paint(final Graphics gr) { |
87a17f3c KL |
321 | // Do nothing until the screen reference has been set. |
322 | if (screen == null) { | |
323 | return; | |
324 | } | |
325 | if (screen.frame == null) { | |
326 | return; | |
327 | } | |
328 | ||
329 | int xCellMin = 0; | |
330 | int xCellMax = screen.width; | |
331 | int yCellMin = 0; | |
332 | int yCellMax = screen.height; | |
333 | ||
30bd4abd | 334 | Rectangle bounds = gr.getClipBounds(); |
87a17f3c KL |
335 | if (bounds != null) { |
336 | // Only update what is in the bounds | |
337 | xCellMin = screen.textColumn(bounds.x); | |
bd8d51fa | 338 | xCellMax = screen.textColumn(bounds.x + bounds.width); |
87a17f3c KL |
339 | if (xCellMax > screen.width) { |
340 | xCellMax = screen.width; | |
341 | } | |
342 | if (xCellMin >= xCellMax) { | |
343 | xCellMin = xCellMax - 2; | |
344 | } | |
345 | if (xCellMin < 0) { | |
346 | xCellMin = 0; | |
347 | } | |
348 | yCellMin = screen.textRow(bounds.y); | |
bd8d51fa | 349 | yCellMax = screen.textRow(bounds.y + bounds.height); |
87a17f3c KL |
350 | if (yCellMax > screen.height) { |
351 | yCellMax = screen.height; | |
352 | } | |
353 | if (yCellMin >= yCellMax) { | |
354 | yCellMin = yCellMax - 2; | |
355 | } | |
356 | if (yCellMin < 0) { | |
357 | yCellMin = 0; | |
358 | } | |
bd8d51fa KL |
359 | } else { |
360 | // We need a total repaint | |
361 | reallyCleared = true; | |
87a17f3c | 362 | } |
1ac2ccb1 | 363 | |
87a17f3c KL |
364 | // Prevent updates to the screen's data from the TApplication |
365 | // threads. | |
366 | synchronized (screen) { | |
367 | /* | |
368 | System.err.printf("bounds %s X %d %d Y %d %d\n", | |
369 | bounds, xCellMin, xCellMax, yCellMin, yCellMax); | |
370 | */ | |
371 | ||
372 | for (int y = yCellMin; y < yCellMax; y++) { | |
373 | for (int x = xCellMin; x < xCellMax; x++) { | |
374 | ||
375 | int xPixel = x * textWidth + left; | |
376 | int yPixel = y * textHeight + top; | |
377 | ||
378 | Cell lCell = screen.logical[x][y]; | |
379 | Cell pCell = screen.physical[x][y]; | |
380 | ||
381 | if (!lCell.equals(pCell) || reallyCleared) { | |
382 | // Draw the background rectangle, then the | |
383 | // foreground character. | |
384 | gr.setColor(attrToBackgroundColor(lCell)); | |
385 | gr.fillRect(xPixel, yPixel, textWidth, textHeight); | |
386 | gr.setColor(attrToForegroundColor(lCell)); | |
387 | char [] chars = new char[1]; | |
388 | chars[0] = lCell.getChar(); | |
389 | gr.drawChars(chars, 0, 1, xPixel, | |
390 | yPixel + textHeight - maxDescent); | |
391 | ||
392 | // Physical is always updated | |
393 | physical[x][y].setTo(lCell); | |
30bd4abd KL |
394 | } |
395 | } | |
87a17f3c | 396 | } |
84614868 | 397 | |
87a17f3c KL |
398 | // Draw the cursor if it is visible |
399 | if ((cursorVisible) | |
400 | && (cursorY <= screen.height - 1) | |
401 | && (cursorX <= screen.width - 1) | |
402 | ) { | |
403 | int xPixel = cursorX * textWidth + left; | |
404 | int yPixel = cursorY * textHeight + top; | |
405 | Cell lCell = screen.logical[cursorX][cursorY]; | |
406 | gr.setColor(attrToForegroundColor(lCell)); | |
407 | gr.fillRect(xPixel, yPixel + textHeight - 2, textWidth, 2); | |
1ac2ccb1 | 408 | } |
30bd4abd | 409 | |
87a17f3c KL |
410 | dirty = false; |
411 | reallyCleared = false; | |
412 | } // synchronized (screen) | |
1ac2ccb1 | 413 | } |
bd8d51fa KL |
414 | |
415 | } // class AWTFrame | |
1ac2ccb1 KL |
416 | |
417 | /** | |
84614868 | 418 | * The raw AWT Frame. Note package private access. |
1ac2ccb1 | 419 | */ |
84614868 | 420 | AWTFrame frame; |
1ac2ccb1 KL |
421 | |
422 | /** | |
423 | * Public constructor. | |
424 | */ | |
425 | public AWTScreen() { | |
aed33687 KL |
426 | try { |
427 | SwingUtilities.invokeAndWait(new Runnable() { | |
428 | public void run() { | |
429 | AWTScreen.this.frame = new AWTFrame(AWTScreen.this); | |
bd8d51fa KL |
430 | AWTScreen.this.sessionInfo = |
431 | new AWTSessionInfo(AWTScreen.this.frame, | |
432 | frame.textWidth, | |
433 | frame.textHeight); | |
434 | ||
435 | AWTScreen.this.setDimensions(sessionInfo.getWindowWidth(), | |
436 | sessionInfo.getWindowHeight()); | |
437 | ||
438 | AWTScreen.this.frame.resizeToScreen(); | |
439 | AWTScreen.this.frame.setVisible(true); | |
aed33687 KL |
440 | } |
441 | } ); | |
442 | } catch (Exception e) { | |
443 | e.printStackTrace(); | |
444 | } | |
1ac2ccb1 KL |
445 | } |
446 | ||
bd8d51fa KL |
447 | /** |
448 | * The sessionInfo. | |
449 | */ | |
450 | private AWTSessionInfo sessionInfo; | |
451 | ||
30bd4abd KL |
452 | /** |
453 | * Create the AWTSessionInfo. Note package private access. | |
454 | * | |
455 | * @return the sessionInfo | |
456 | */ | |
457 | AWTSessionInfo getSessionInfo() { | |
30bd4abd KL |
458 | return sessionInfo; |
459 | } | |
460 | ||
1ac2ccb1 KL |
461 | /** |
462 | * Push the logical screen to the physical device. | |
463 | */ | |
464 | @Override | |
465 | public void flushPhysical() { | |
87a17f3c KL |
466 | |
467 | if (reallyCleared) { | |
468 | // Really refreshed, do it all | |
469 | frame.repaint(); | |
470 | return; | |
471 | } | |
472 | ||
473 | // Do nothing if nothing happened. | |
474 | if (!dirty) { | |
475 | return; | |
476 | } | |
477 | ||
30bd4abd KL |
478 | // Request a repaint, let the frame's repaint/update methods do the |
479 | // right thing. | |
87a17f3c | 480 | |
30bd4abd KL |
481 | // Find the minimum-size damaged region. |
482 | int xMin = frame.getWidth(); | |
483 | int xMax = 0; | |
484 | int yMin = frame.getHeight(); | |
485 | int yMax = 0; | |
30bd4abd | 486 | |
87a17f3c KL |
487 | synchronized (this) { |
488 | for (int y = 0; y < height; y++) { | |
489 | for (int x = 0; x < width; x++) { | |
490 | Cell lCell = logical[x][y]; | |
491 | Cell pCell = physical[x][y]; | |
492 | ||
493 | int xPixel = x * frame.textWidth + frame.left; | |
494 | int yPixel = y * frame.textHeight + frame.top; | |
495 | ||
496 | if (!lCell.equals(pCell) | |
497 | || ((x == cursorX) | |
498 | && (y == cursorY) | |
499 | && cursorVisible) | |
500 | ) { | |
501 | if (xPixel < xMin) { | |
502 | xMin = xPixel; | |
503 | } | |
504 | if (xPixel + frame.textWidth > xMax) { | |
505 | xMax = xPixel + frame.textWidth; | |
506 | } | |
507 | if (yPixel < yMin) { | |
508 | yMin = yPixel; | |
509 | } | |
510 | if (yPixel + frame.textHeight > yMax) { | |
511 | yMax = yPixel + frame.textHeight; | |
512 | } | |
30bd4abd KL |
513 | } |
514 | } | |
515 | } | |
516 | } | |
87a17f3c KL |
517 | if (xMin + frame.textWidth >= xMax) { |
518 | xMax += frame.textWidth; | |
519 | } | |
520 | if (yMin + frame.textHeight >= yMax) { | |
521 | yMax += frame.textHeight; | |
522 | } | |
30bd4abd | 523 | |
87a17f3c KL |
524 | // Repaint the desired area |
525 | frame.repaint(xMin, yMin, xMax - xMin, yMax - yMin); | |
526 | // System.err.printf("REPAINT X %d %d Y %d %d\n", xMin, xMax, yMin, yMax); | |
1ac2ccb1 | 527 | } |
30bd4abd KL |
528 | |
529 | /** | |
530 | * Put the cursor at (x,y). | |
531 | * | |
532 | * @param visible if true, the cursor should be visible | |
533 | * @param x column coordinate to put the cursor on | |
534 | * @param y row coordinate to put the cursor on | |
535 | */ | |
536 | @Override | |
537 | public void putCursor(final boolean visible, final int x, final int y) { | |
538 | if ((cursorVisible) | |
539 | && (cursorY <= height - 1) | |
540 | && (cursorX <= width - 1) | |
541 | ) { | |
542 | // Make the current cursor position dirty | |
87a17f3c | 543 | if (physical[cursorX][cursorY].getChar() == 'Q') { |
30bd4abd KL |
544 | physical[cursorX][cursorY].setChar('X'); |
545 | } else { | |
87a17f3c | 546 | physical[cursorX][cursorY].setChar('Q'); |
30bd4abd KL |
547 | } |
548 | } | |
549 | ||
550 | super.putCursor(visible, x, y); | |
551 | } | |
552 | ||
87a17f3c KL |
553 | /** |
554 | * Convert pixel column position to text cell column position. | |
555 | * | |
556 | * @param x pixel column position | |
557 | * @return text cell column position | |
558 | */ | |
559 | public int textColumn(final int x) { | |
560 | return ((x - frame.left) / frame.textWidth); | |
561 | } | |
562 | ||
563 | /** | |
564 | * Convert pixel row position to text cell row position. | |
565 | * | |
566 | * @param y pixel row position | |
567 | * @return text cell row position | |
568 | */ | |
569 | public int textRow(final int y) { | |
570 | return ((y - frame.top) / frame.textHeight); | |
571 | } | |
572 | ||
1ac2ccb1 | 573 | } |