Implemented selection for RichTextPane.

Added reply and misc graphics.

PostWindow.java

@@ -4,6 +4,7 @@ import javax.swing.JPanel;
 import javax.swing.JMenuBar;
 import javax.swing.JPopupMenu;
 import javax.swing.JMenuItem;
+import javax.swing.JSeparator;
 import javax.swing.JButton;
 import javax.swing.JLabel;
 import javax.swing.JScrollPane;
@@ -39,7 +40,6 @@ import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 
 
-
 class
 PostWindow extends JFrame
 implements ActionListener {
@@ -125,6 +125,9 @@ implements ActionListener {
 		}
 		else postDisplay.setMediaPreview(null);
 
+		String html = post.get("content").value;
+		setTitle(TimelineComponent.textApproximation(html));
+
 		postDisplay.resetFocus();
         repaint();
     }

RichTextPane.java

@@ -6,20 +6,55 @@ import java.awt.FontMetrics;
 import java.awt.Image;
 import java.awt.Color;
 import java.awt.Dimension;
+import java.awt.Toolkit;
 import java.util.List;
 import java.util.LinkedList;
 import java.util.ListIterator;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.KeyListener;
+import java.awt.event.KeyEvent;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.ClipboardOwner;
+import java.awt.datatransfer.Transferable;
+import java.awt.datatransfer.DataFlavor;
 
 class
-RichTextPane extends JComponent {
+RichTextPane extends JComponent
+implements
+	MouseListener, MouseMotionListener, KeyListener,
+	Transferable, ClipboardOwner {
 
 	private List<Segment>
 	text;
 
+	private int
+	selectionStart, selectionEnd;
+
 //	---%-@-%---
 
 	public void
-	setText(List<Segment> text)	{ this.text = text; }
+	setText(List<Segment> text)
+	{
+		this.text = text;
+		selectionStart = selectionEnd = -1;
+	}
+
+	public List<Segment>
+	getSelection()
+	{
+		List<Segment> returnee = new LinkedList<>();
+		if (selectionEnd == -1) return returnee;
+
+		if (selectionEnd < selectionStart) {
+			int t = selectionEnd;
+			selectionEnd = selectionStart;
+			selectionStart = t;
+		}
+		returnee.addAll(text.subList(selectionStart + 1, selectionEnd));
+		return returnee;
+	}
 
 //	 -	-%-	 -
 
@@ -30,6 +65,7 @@ RichTextPane extends JComponent {
 		FontMetrics fm = g.getFontMetrics(getFont());
 		g.clearRect(0, 0, getWidth(), getHeight());
 
+		int o = 0;
 		for (Segment segment: text)
 		{
 			if (segment.image != null) {
@@ -44,13 +80,134 @@ RichTextPane extends JComponent {
 				g.drawImage(img, x, y - h, w, h, this);
 				continue;
 			}
-			
+
+			if (o > selectionStart && o < selectionEnd)
+			{
+				int dx = fm.stringWidth(segment.text);	
+				int dy1 = fm.getAscent();
+				int dy2 = dy1 + fm.getDescent();
+				g.setColor(new Color(0, 0, 0, 15));
+				g.fillRect(segment.x, segment.y - dy1, dx, dy2);
+				g.setColor(getForeground());
+			}
+
 			if (segment.link != null) g.setColor(Color.BLUE);
 			g.drawString(segment.text, segment.x, segment.y);
 			g.setColor(getForeground());
+
+			++o;
 		}
 	}
 
+	public void
+	mousePressed(MouseEvent eM)
+	{
+		requestFocusInWindow();
+		selectionStart = identify(eM.getX(), eM.getY()) - 2;
+		selectionEnd = -1;
+		repaint();
+	}
+
+	public void
+	mouseDragged(MouseEvent eM)
+	{
+		selectionEnd = identify(eM.getX(), eM.getY());
+		repaint();
+	}
+
+	private int
+	identify(int x, int y)
+	{
+		FontMetrics fm = getFontMetrics(getFont());
+		int iy = fm.getAscent(), lh = fm.getHeight();
+		y -= fm.getDescent();
+		if (y <= iy) y = iy;
+		else y += lh - ((y - iy) % lh);
+		/*
+		* Snaps y to the next baseline. Kind of obtuse,
+		* but it wasn't randomly derived, anyways
+		* you can test it for 13, 30, 47, etc.
+		*/
+
+		int o = 0;
+		for (Segment segment: text)
+		{
+			if (segment.y == y && segment.x > x) break;
+			if (segment.y > y) break;
+			++o;
+		}
+		return o;
+	}
+
+	public String
+	getTransferData(DataFlavor flavour)
+	{
+		assert flavour == DataFlavor.stringFlavor;
+		StringBuilder b = new StringBuilder();
+		for (Segment segment: getSelection())
+		{
+			if (segment.link != null) b.append(segment.link);
+			else if (segment.text != null) b.append(segment.text);
+		}
+		return b.toString();
+	}
+
+	public DataFlavor[]
+	getTransferDataFlavors()
+	{
+		return new DataFlavor[] { DataFlavor.stringFlavor };
+		/*
+		* We should probably also support javaJVMLocalObjectMimeType,
+		* so that the compose window can ask for the List<Segment>.
+		* Although also like, if we don't store emoji shortcodes in
+		* the image segments, there is no point. Anyways, what is
+		* important is the string format first, allowing us to
+		* copy links or large lengths of text.
+		*/
+	}
+
+	public boolean
+	isDataFlavorSupported(DataFlavor flavour)
+	{
+		return flavour == DataFlavor.stringFlavor;
+	}
+
+	public void
+	keyPressed(KeyEvent eK)
+	{
+		if (selectionEnd == -1) return;
+		if (eK.getKeyCode() != KeyEvent.VK_C) return;
+		if (!eK.isControlDown()) return;
+		Toolkit tk = Toolkit.getDefaultToolkit();
+		Clipboard cb = tk.getSystemClipboard();
+		cb.setContents(this, this);
+	}
+
+
+	public void
+	lostOwnership(Clipboard clipboard, Transferable contents) { }
+
+	public void
+	keyReleased(KeyEvent eK) { }
+
+	public void
+	keyTyped(KeyEvent eK) { }
+
+	public void
+	mouseClicked(MouseEvent eM) { }
+
+	public void
+	mouseReleased(MouseEvent eM) { }
+
+	public void
+	mouseEntered(MouseEvent eM) { }
+
+	public void
+	mouseExited(MouseEvent eM) { }
+
+	public void
+	mouseMoved(MouseEvent eM) { }
+
 //	 -	-%-	 -
 
 	public static List<Segment>
@@ -272,6 +429,9 @@ RichTextPane extends JComponent {
 	RichTextPane()
 	{
 		text = new LinkedList<>();
+		addMouseListener(this);
+		addMouseMotionListener(this);
+		addKeyListener(this);
 	}
 
 }

TimelineWindow.java

@@ -127,17 +127,22 @@ implements ActionListener {
                 public void
                 connectionFailed(IOException eIo)
                 {
-                    eIo.printStackTrace();
-                    String s = eIo.getClass().getName();
-                    setTitle(s + " - JKomasto");
+					JOptionPane.showMessageDialog(
+						TimelineWindow.this,
+						"Failed to fetch page.."
+						+ "\n" + eIo.getMessage()
+					);
                 }
 
                 public void
                 requestFailed(int httpCode, Tree<String> json)
                 {
-                    System.err.println(json.get("error").value);
-                    setTitle(httpCode + " - JKomasto");
-                    // lol...
+                    JOptionPane.showMessageDialog(
+						TimelineWindow.this,
+						"Failed to fetch page.."
+						+ "\n" + json.get("error").value
+						+ "\n(HTTP code: " + httpCode + ")"
+					);
                 }
 
                 public void
@@ -174,14 +179,22 @@ implements ActionListener {
                 public void
                 connectionFailed(IOException eIo)
                 {
-                    String s = eIo.getClass().getName();
-                    setTitle(s + " - JKomasto");
+					JOptionPane.showMessageDialog(
+						TimelineWindow.this,
+						"Failed to fetch page.."
+						+ "\n" + eIo.getMessage()
+					);
                 }
 
                 public void
                 requestFailed(int httpCode, Tree<String> json)
                 {
-                    setTitle(httpCode + " - JKomasto");
+                    JOptionPane.showMessageDialog(
+						TimelineWindow.this,
+						"Failed to fetch page.."
+						+ "\n" + json.get("error").value
+						+ "\n(HTTP code: " + httpCode + ")"
+					);
                 }
 
                 public void
@@ -224,14 +237,22 @@ implements ActionListener {
                 public void
                 connectionFailed(IOException eIo)
                 {
-                    String s = eIo.getClass().getName();
-                    setTitle(s + " - JKomasto");
+					JOptionPane.showMessageDialog(
+						TimelineWindow.this,
+						"Failed to fetch page.."
+						+ "\n" + eIo.getMessage()
+					);
                 }
 
                 public void
                 requestFailed(int httpCode, Tree<String> json)
                 {
-                    setTitle(httpCode + " - JKomasto");
+                    JOptionPane.showMessageDialog(
+						TimelineWindow.this,
+						"Failed to fetch page.."
+						+ "\n" + json.get("error").value
+						+ "\n(HTTP code: " + httpCode + ")"
+					);
                 }
 
                 public void
@@ -623,7 +644,7 @@ implements
 			if (!cw.isEmpty())
 				c.setBottom("(" + cw + ")");
 			else
-				c.setBottom(textApproximation(html) + " ");
+				c.setBottom(textApproximation(html));
 		}
         for (int o = posts.size(); o < postPreviews.size(); ++o)
         {
@@ -786,6 +807,7 @@ implements
 	{
 		StringBuilder returnee = new StringBuilder();
 		Tree<String> nodes = RudimentaryHTMLParser.depthlessRead(html);
+		if (nodes.size() == 0) return "-";
 		Tree<String> first = nodes.get(0);
 		for (Tree<String> node: nodes)
 		{

TwoToggleButton.java

@@ -115,14 +115,14 @@ implements KeyListener, MouseListener, FocusListener {
 		if (isFocusOwner())
             g.drawImage(selectedOverlay, 0, 0, this);
 
-		if (primaryToggled)
-			g.drawImage(primaryToggledIcon, 0, 0, this);
-		else
-			g.drawImage(primaryUntoggledIcon, 0, 0, this);
 		if (secondaryToggled)
 			g.drawImage(secondaryToggledIcon, 0, 0, this);
 		else
 			g.drawImage(secondaryUntoggledIcon, 0, 0, this);
+		if (primaryToggled)
+			g.drawImage(primaryToggledIcon, 0, 0, this);
+		else
+			g.drawImage(primaryUntoggledIcon, 0, 0, this);
     }