import java.util.Collections;
import java.util.HashMap;
import java.util.List;
-import java.util.LinkedList;
-import java.util.Map;
import jexer.TImage;
import jexer.bits.Cell;
import jexer.bits.CellAttributes;
import jexer.bits.Color;
+import jexer.event.TCommandEvent;
import jexer.event.TInputEvent;
import jexer.event.TKeypressEvent;
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
+import static jexer.TCommand.*;
import static jexer.TKeypress.*;
/**
* 1024.
*/
private static final int MAX_COLOR_REGISTERS = 1024;
+ // Black-and-white is possible too.
+ // private static final int MAX_COLOR_REGISTERS = 2;
// ------------------------------------------------------------------------
// Variables --------------------------------------------------------------
int green = (color >>> 8) & 0xFF;
int blue = color & 0xFF;
+ if (MAX_COLOR_REGISTERS == 2) {
+ if (((red * red) + (green * green) + (blue * blue)) < 35568) {
+ // Black
+ return 0;
+ }
+ // White
+ return 1;
+ }
+
+
rgbToHsl(red, green, blue, hsl);
int hue = hsl[0];
int sat = hsl[1];
int red, green, blue;
if (imageX < image.getWidth() - 1) {
int pXpY = ditheredImage.getRGB(imageX + 1, imageY);
- red = (int) ((pXpY >>> 16) & 0xFF) + (7 * redError);
- green = (int) ((pXpY >>> 8) & 0xFF) + (7 * greenError);
- blue = (int) ( pXpY & 0xFF) + (7 * blueError);
+ red = ((pXpY >>> 16) & 0xFF) + (7 * redError);
+ green = ((pXpY >>> 8) & 0xFF) + (7 * greenError);
+ blue = ( pXpY & 0xFF) + (7 * blueError);
red = clamp(red);
green = clamp(green);
blue = clamp(blue);
if (imageY < image.getHeight() - 1) {
int pXpYp = ditheredImage.getRGB(imageX + 1,
imageY + 1);
- red = (int) ((pXpYp >>> 16) & 0xFF) + redError;
- green = (int) ((pXpYp >>> 8) & 0xFF) + greenError;
- blue = (int) ( pXpYp & 0xFF) + blueError;
+ red = ((pXpYp >>> 16) & 0xFF) + redError;
+ green = ((pXpYp >>> 8) & 0xFF) + greenError;
+ blue = ( pXpYp & 0xFF) + blueError;
red = clamp(red);
green = clamp(green);
blue = clamp(blue);
int pXYp = ditheredImage.getRGB(imageX,
imageY + 1);
- red = (int) ((pXmYp >>> 16) & 0xFF) + (3 * redError);
- green = (int) ((pXmYp >>> 8) & 0xFF) + (3 * greenError);
- blue = (int) ( pXmYp & 0xFF) + (3 * blueError);
+ red = ((pXmYp >>> 16) & 0xFF) + (3 * redError);
+ green = ((pXmYp >>> 8) & 0xFF) + (3 * greenError);
+ blue = ( pXmYp & 0xFF) + (3 * blueError);
red = clamp(red);
green = clamp(green);
blue = clamp(blue);
pXmYp |= ((green & 0xFF) << 8) | (blue & 0xFF);
ditheredImage.setRGB(imageX - 1, imageY + 1, pXmYp);
- red = (int) ((pXYp >>> 16) & 0xFF) + (5 * redError);
- green = (int) ((pXYp >>> 8) & 0xFF) + (5 * greenError);
- blue = (int) ( pXYp & 0xFF) + (5 * blueError);
+ red = ((pXYp >>> 16) & 0xFF) + (5 * redError);
+ green = ((pXYp >>> 8) & 0xFF) + (5 * greenError);
+ blue = ( pXYp & 0xFF) + (5 * blueError);
red = clamp(red);
green = clamp(green);
blue = clamp(blue);
// map the BufferedImage colors to their nearest neighbor in RGB
// space.
+ if (MAX_COLOR_REGISTERS == 2) {
+ rgbColors.add(0);
+ rgbColors.add(0xFFFFFF);
+ rgbSortedIndex[0] = 0;
+ rgbSortedIndex[1] = 1;
+ return;
+ }
+
// We build a palette using the Hue-Saturation-Luminence model,
// with 5+ bits for Hue, 2+ bits for Saturation, and 1+ bit for
// Luminance. We convert these colors to 24-bit RGB, sort them
// ------------------------------------------------------------------------
/**
- * Constructor sets up state for getEvent().
+ * Constructor sets up state for getEvent(). If either windowWidth or
+ * windowHeight are less than 1, the terminal is not resized.
*
* @param listener the object this backend needs to wake up when new
* input comes in
// Send dtterm/xterm sequences, which will probably not work because
// allowWindowOps is defaulted to false.
- String resizeString = String.format("\033[8;%d;%dt", windowHeight,
- windowWidth);
- this.output.write(resizeString);
- this.output.flush();
+ if ((windowWidth > 0) && (windowHeight > 0)) {
+ String resizeString = String.format("\033[8;%d;%dt", windowHeight,
+ windowWidth);
+ this.output.write(resizeString);
+ this.output.flush();
+ }
}
/**
reloadOptions();
// Spin up the input reader
- eventQueue = new LinkedList<TInputEvent>();
+ eventQueue = new ArrayList<TInputEvent>();
readerThread = new Thread(this);
readerThread.start();
reloadOptions();
// Spin up the input reader
- eventQueue = new LinkedList<TInputEvent>();
+ eventQueue = new ArrayList<TInputEvent>();
readerThread = new Thread(this);
readerThread.start();
flush();
}
+ /**
+ * Resize the physical screen to match the logical screen dimensions.
+ */
+ @Override
+ public void resizeToScreen() {
+ // Send dtterm/xterm sequences, which will probably not work because
+ // allowWindowOps is defaulted to false.
+ String resizeString = String.format("\033[8;%d;%dt", getHeight(),
+ getWidth());
+ this.output.write(resizeString);
+ this.output.flush();
+ }
+
// ------------------------------------------------------------------------
// TerminalReader ---------------------------------------------------------
// ------------------------------------------------------------------------
// available() will often return > 1, so we need to read in chunks to
// stay caught up.
char [] readBuffer = new char[128];
- List<TInputEvent> events = new LinkedList<TInputEvent>();
+ List<TInputEvent> events = new ArrayList<TInputEvent>();
while (!done && !stopReaderThread) {
try {
events.clear();
}
+ if (output.checkError()) {
+ // This is EOF.
+ done = true;
+ }
+
// Wait 20 millis for more data
Thread.sleep(20);
}
done = true;
}
} // while ((done == false) && (stopReaderThread == false))
+
+ // Pass an event up to TApplication to tell it this Backend is done.
+ synchronized (eventQueue) {
+ eventQueue.add(new TCommandEvent(cmBackendDisconnect));
+ }
+ if (listener != null) {
+ synchronized (listener) {
+ listener.notifyAll();
+ }
+ }
+
// System.err.println("*** run() exiting..."); System.err.flush();
}
// Check for new window size
long windowSizeDelay = nowTime - windowSizeTime;
if (windowSizeDelay > 1000) {
+ int oldTextWidth = getTextWidth();
+ int oldTextHeight = getTextHeight();
+
sessionInfo.queryWindowSize();
int newWidth = sessionInfo.getWindowWidth();
int newHeight = sessionInfo.getWindowHeight();
|| (newHeight != windowResize.getHeight())
) {
+ // Request xterm report window dimensions in pixels again.
+ // Between now and then, ensure that the reported text cell
+ // size is the same by setting widthPixels and heightPixels
+ // to match the new dimensions.
+ widthPixels = oldTextWidth * newWidth;
+ heightPixels = oldTextHeight * newHeight;
+
if (debugToStderr) {
System.err.println("Screen size changed, old size " +
windowResize);
System.err.println(" new size " +
newWidth + " x " + newHeight);
+ System.err.println(" old pixels " +
+ oldTextWidth + " x " + oldTextHeight);
+ System.err.println(" new pixels " +
+ getTextWidth() + " x " + getTextHeight());
}
- // Request xterm report window dimensions in pixels again.
this.output.printf("%s", xtermReportWindowPixelDimensions());
this.output.flush();
int [] rgbArray;
for (int i = 0; i < cells.size() - 1; i++) {
- if (cells.get(i).isInvertedImage()) {
+ int tileWidth = Math.min(cells.get(i).getImage().getWidth(),
+ imageWidth);
+ int tileHeight = Math.min(cells.get(i).getImage().getHeight(),
+ imageHeight);
+ if (false && cells.get(i).isInvertedImage()) {
+ // I used to put an all-white cell over the cursor, don't do
+ // that anymore.
rgbArray = new int[imageWidth * imageHeight];
for (int j = 0; j < rgbArray.length; j++) {
rgbArray[j] = 0xFFFFFF;
}
} else {
- rgbArray = cells.get(i).getImage().getRGB(0, 0,
- imageWidth, imageHeight, null, 0, imageWidth);
+ try {
+ rgbArray = cells.get(i).getImage().getRGB(0, 0,
+ tileWidth, tileHeight, null, 0, tileWidth);
+ } catch (Exception e) {
+ throw new RuntimeException("image " + imageWidth + "x" +
+ imageHeight +
+ "tile " + tileWidth + "x" +
+ tileHeight +
+ " cells.get(i).getImage() " +
+ cells.get(i).getImage() +
+ " i " + i +
+ " fullWidth " + fullWidth +
+ " fullHeight " + fullHeight, e);
+ }
}
- image.setRGB(i * imageWidth, 0, imageWidth, imageHeight,
- rgbArray, 0, imageWidth);
- if (imageHeight < fullHeight) {
+
+ /*
+ System.err.printf("calling image.setRGB(): %d %d %d %d %d\n",
+ i * imageWidth, 0, imageWidth, imageHeight,
+ 0, imageWidth);
+ System.err.printf(" fullWidth %d fullHeight %d cells.size() %d textWidth %d\n",
+ fullWidth, fullHeight, cells.size(), getTextWidth());
+ */
+
+ image.setRGB(i * imageWidth, 0, tileWidth, tileHeight,
+ rgbArray, 0, tileWidth);
+ if (tileHeight < fullHeight) {
int backgroundColor = cells.get(i).getBackground().getRGB();
for (int imageX = 0; imageX < image.getWidth(); imageX++) {
for (int imageY = imageHeight; imageY < fullHeight;
}
}
totalWidth -= ((cells.size() - 1) * imageWidth);
- if (cells.get(cells.size() - 1).isInvertedImage()) {
+ if (false && cells.get(cells.size() - 1).isInvertedImage()) {
+ // I used to put an all-white cell over the cursor, don't do that
+ // anymore.
rgbArray = new int[totalWidth * imageHeight];
for (int j = 0; j < rgbArray.length; j++) {
rgbArray[j] = 0xFFFFFF;
}
} else {
- rgbArray = cells.get(cells.size() - 1).getImage().getRGB(0, 0,
- totalWidth, imageHeight, null, 0, totalWidth);
+ try {
+ rgbArray = cells.get(cells.size() - 1).getImage().getRGB(0, 0,
+ totalWidth, imageHeight, null, 0, totalWidth);
+ } catch (Exception e) {
+ throw new RuntimeException("image " + imageWidth + "x" +
+ imageHeight + " cells.get(cells.size() - 1).getImage() " +
+ cells.get(cells.size() - 1).getImage(), e);
+ }
}
image.setRGB((cells.size() - 1) * imageWidth, 0, totalWidth,
imageHeight, rgbArray, 0, totalWidth);
// colored pixels, and select the color.
sb.append(String.format("$#%d", i));
+ int oldData = -1;
+ int oldDataCount = 0;
for (int imageX = 0; imageX < image.getWidth(); imageX++) {
// Add up all the pixels that match this color.
}
}
assert (data >= 0);
- assert (data < 127);
+ assert (data < 64);
data += 63;
- sb.append((char) data);
+
+ if (data == oldData) {
+ oldDataCount++;
+ } else {
+ if (oldDataCount == 1) {
+ sb.append((char) oldData);
+ } else if (oldDataCount > 1) {
+ sb.append(String.format("!%d", oldDataCount));
+ sb.append((char) oldData);
+ }
+ oldDataCount = 1;
+ oldData = data;
+ }
+
} // for (int imageX = 0; imageX < image.getWidth(); imageX++)
+
+ // Emit the last sequence.
+ if (oldDataCount == 1) {
+ sb.append((char) oldData);
+ } else if (oldDataCount > 1) {
+ sb.append(String.format("!%d", oldDataCount));
+ sb.append((char) oldData);
+ }
+
} // for (int i = 0; i < MAX_COLOR_REGISTERS; i++)
// Advance to the next scan line.
return (startSixel(x, y) + sb.toString() + endSixel());
}
+ /**
+ * Get the sixel support flag.
+ *
+ * @return true if this terminal is emitting sixel
+ */
+ public boolean hasSixel() {
+ return sixel;
+ }
+
// ------------------------------------------------------------------------
// End sixel output support -----------------------------------------------
// ------------------------------------------------------------------------
*
* Note that this also sets the alternate/primary screen buffer.
*
+ * Finally, also emit a Privacy Message sequence that Jexer recognizes to
+ * mean "hide the mouse pointer." We have to use our own sequence to do
+ * this because there is no standard in xterm for unilaterally hiding the
+ * pointer all the time (regardless of typing).
+ *
* @param on If true, enable mouse report and use the alternate screen
* buffer. If false disable mouse reporting and use the primary screen
* buffer.
*/
private String mouse(final boolean on) {
if (on) {
- return "\033[?1002;1003;1005;1006h\033[?1049h";
+ return "\033[?1002;1003;1005;1006h\033[?1049h\033^hideMousePointer\033\\";
}
- return "\033[?1002;1003;1006;1005l\033[?1049l";
+ return "\033[?1002;1003;1006;1005l\033[?1049l\033^showMousePointer\033\\";
}
}
git://git.nikiroo.be / fanfix.git / blobdiff