AWT keyboard barely working
[fanfix.git] / src / jexer / io / AWTScreen.java
index e10e0ec67579af69a65c77dd37a74da7cb7b8ab8..2b913f1d41c9cf0621b3c85ff79c032465e87346 100644 (file)
@@ -39,18 +39,72 @@ import java.awt.Font;
 import java.awt.FontMetrics;
 import java.awt.Frame;
 import java.awt.Graphics;
+import java.awt.Insets;
 import java.awt.geom.Rectangle2D;
+import java.io.InputStream;
 
 /**
  * This Screen implementation draws to a Java AWT Frame.
  */
 public final class AWTScreen extends Screen {
 
+    private static Color MYBLACK;
+    private static Color MYRED;
+    private static Color MYGREEN;
+    private static Color MYYELLOW;
+    private static Color MYBLUE;
+    private static Color MYMAGENTA;
+    private static Color MYCYAN;
+    private static Color MYWHITE;
+
+    private static Color MYBOLD_BLACK;
+    private static Color MYBOLD_RED;
+    private static Color MYBOLD_GREEN;
+    private static Color MYBOLD_YELLOW;
+    private static Color MYBOLD_BLUE;
+    private static Color MYBOLD_MAGENTA;
+    private static Color MYBOLD_CYAN;
+    private static Color MYBOLD_WHITE;
+
+    private static boolean dosColors = false;
+
+    /**
+     * Setup AWT colors to match DOS color palette.
+     */
+    private static void setDOSColors() {
+        if (dosColors) {
+            return;
+        }
+        MYBLACK        = new Color(0x00, 0x00, 0x00);
+        MYRED          = new Color(0xa8, 0x00, 0x00);
+        MYGREEN        = new Color(0x00, 0xa8, 0x00);
+        MYYELLOW       = new Color(0xa8, 0x54, 0x00);
+        MYBLUE         = new Color(0x00, 0x00, 0xa8);
+        MYMAGENTA      = new Color(0xa8, 0x00, 0xa8);
+        MYCYAN         = new Color(0x00, 0xa8, 0xa8);
+        MYWHITE        = new Color(0xa8, 0xa8, 0xa8);
+        MYBOLD_BLACK   = new Color(0x54, 0x54, 0x54);
+        MYBOLD_RED     = new Color(0xfc, 0x54, 0x54);
+        MYBOLD_GREEN   = new Color(0x54, 0xfc, 0x54);
+        MYBOLD_YELLOW  = new Color(0xfc, 0xfc, 0x54);
+        MYBOLD_BLUE    = new Color(0x54, 0x54, 0xfc);
+        MYBOLD_MAGENTA = new Color(0xfc, 0x54, 0xfc);
+        MYBOLD_CYAN    = new Color(0x54, 0xfc, 0xfc);
+        MYBOLD_WHITE   = new Color(0xfc, 0xfc, 0xfc);
+
+        dosColors = true;
+    }
+
     /**
      * AWTFrame is our top-level hook into the AWT system.
      */
     class AWTFrame extends Frame {
 
+        /**
+         * The terminus font resource filename.
+         */
+        private static final String FONTFILE = "terminus-ttf-4.39/TerminusTTF-Bold-4.39.ttf";
+
         /**
          * The TUI Screen data.
          */
@@ -66,41 +120,165 @@ public final class AWTScreen extends Screen {
          */
         private int textHeight = 1;
 
+        /**
+         * Descent of a character cell.
+         */
+        private int maxDescent = 0;
+
         /**
          * Top pixel value.
          */
         private int top = 30;
-        
+
         /**
          * Left pixel value.
          */
         private int left = 30;
-         
+
+        /**
+         * Convert a CellAttributes foreground color to an AWT Color.
+         *
+         * @param attr the text attributes
+         * @return the AWT Color
+         */
+        private Color attrToForegroundColor(final CellAttributes attr) {
+            /*
+             * TODO:
+             *   reverse
+             *   blink
+             *   underline
+             */
+            if (attr.getBold()) {
+                if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) {
+                    return MYBOLD_BLACK;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) {
+                    return MYBOLD_RED;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) {
+                    return MYBOLD_BLUE;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) {
+                    return MYBOLD_GREEN;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) {
+                    return MYBOLD_YELLOW;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) {
+                    return MYBOLD_CYAN;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) {
+                    return MYBOLD_MAGENTA;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) {
+                    return MYBOLD_WHITE;
+                }
+            } else {
+                if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) {
+                    return MYBLACK;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) {
+                    return MYRED;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) {
+                    return MYBLUE;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) {
+                    return MYGREEN;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) {
+                    return MYYELLOW;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) {
+                    return MYCYAN;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) {
+                    return MYMAGENTA;
+                } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) {
+                    return MYWHITE;
+                }
+            }
+            throw new IllegalArgumentException("Invalid color: " + attr.getForeColor().getValue());
+        }
+
+        /**
+         * Convert a CellAttributes background color to an AWT Color.
+         *
+         * @param attr the text attributes
+         * @return the AWT Color
+         */
+        private Color attrToBackgroundColor(final CellAttributes attr) {
+            /*
+             * TODO:
+             *   reverse
+             *   blink
+             *   underline
+             */
+            if (attr.getBackColor().equals(jexer.bits.Color.BLACK)) {
+                return MYBLACK;
+            } else if (attr.getBackColor().equals(jexer.bits.Color.RED)) {
+                return MYRED;
+            } else if (attr.getBackColor().equals(jexer.bits.Color.BLUE)) {
+                return MYBLUE;
+            } else if (attr.getBackColor().equals(jexer.bits.Color.GREEN)) {
+                return MYGREEN;
+            } else if (attr.getBackColor().equals(jexer.bits.Color.YELLOW)) {
+                return MYYELLOW;
+            } else if (attr.getBackColor().equals(jexer.bits.Color.CYAN)) {
+                return MYCYAN;
+            } else if (attr.getBackColor().equals(jexer.bits.Color.MAGENTA)) {
+                return MYMAGENTA;
+            } else if (attr.getBackColor().equals(jexer.bits.Color.WHITE)) {
+                return MYWHITE;
+            }
+            throw new IllegalArgumentException("Invalid color: " + attr.getBackColor().getValue());
+        }
+
         /**
          * Public constructor.
+         *
+         * @param screen the Screen that Backend talks to
          */
-        public AWTFrame() {
+        public AWTFrame(final AWTScreen screen) {
+            this.screen = screen;
+            setDOSColors();
+
             setTitle("Jexer Application");
             setBackground(java.awt.Color.black);
             setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR));
-            setFont(new Font("Liberation Mono", Font.BOLD, 16));
+            // setFont(new Font("Liberation Mono", Font.BOLD, 16));
             // setFont(new Font(Font.MONOSPACED, Font.PLAIN, 16));
-            setSize(100, 100);
+
+            try {
+                ClassLoader loader = Thread.currentThread().getContextClassLoader();
+                InputStream in = loader.getResourceAsStream(FONTFILE);
+                Font terminusRoot = Font.createFont(Font.TRUETYPE_FONT, in);
+                Font terminus = terminusRoot.deriveFont(Font.PLAIN, 22);
+                setFont(terminus);
+            } catch (Exception e) {
+                e.printStackTrace();
+                // setFont(new Font("Liberation Mono", Font.PLAIN, 24));
+                setFont(new Font(Font.MONOSPACED, Font.PLAIN, 24));
+            }
             setVisible(true);
+            resizeToScreen();
         }
 
         /**
          * Resize to font dimensions.
          */
         public void resizeToScreen() {
-            Graphics gr        = getGraphics();
-            FontMetrics fm     = gr.getFontMetrics();
-            textWidth          = fm.charWidth('m');
-            textHeight         = fm.getHeight();
-            setSize((textWidth + 1) * screen.width + (2 * left),
-                (textHeight + 1) * screen.height + (2 * top));
-
-            System.err.printf("W: %d H: %d\n", textWidth, textHeight);
+            Graphics gr = getGraphics();
+            FontMetrics fm = gr.getFontMetrics();
+            maxDescent = fm.getMaxDescent();
+            Rectangle2D bounds = fm.getMaxCharBounds(gr);
+            int leading = fm.getLeading();
+            textWidth = (int)Math.round(bounds.getWidth());
+            textHeight = (int)Math.round(bounds.getHeight()) - maxDescent;
+            // This also produces the same number, but works better for ugly
+            // monospace.
+            textHeight = fm.getMaxAscent() + maxDescent - leading;
+
+            // Figure out the thickness of borders and use that to set the
+            // final size.
+            Insets insets = getInsets();
+            left = insets.left;
+            top = insets.top;
+
+            setSize(textWidth * screen.width + insets.left + insets.right,
+                textHeight * screen.height + insets.top + insets.bottom);
+
+            /*
+            System.err.printf("W: %d H: %d MD: %d L: %d\n", textWidth,
+                textHeight, maxDescent, leading);
+             */
         }
 
         /**
@@ -109,60 +287,27 @@ public final class AWTScreen extends Screen {
          * @param gr the AWT Graphics context
          */
         @Override
-        public void paint(Graphics gr) {
+        public void paint(final Graphics gr) {
 
             for (int y = 0; y < screen.height; y++) {
                 for (int x = 0; x < screen.width; x++) {
                     Cell lCell = screen.logical[x][y];
                     Cell pCell = screen.physical[x][y];
 
-                    int xPixel = x * (textWidth + 1) + left;
-                    int yPixel = y * (textHeight + 1) + top - y;
+                    int xPixel = x * textWidth + left;
+                    int yPixel = y * textHeight + top;
 
                     if (!lCell.equals(pCell)) {
+
                         // Draw the background rectangle, then the foreground
                         // character.
-                        if (lCell.getBackColor().equals(jexer.bits.Color.BLACK)) {
-                            gr.setColor(Color.black);
-                        } else if (lCell.getBackColor().equals(jexer.bits.Color.RED)) {
-                            gr.setColor(Color.red);
-                        } else if (lCell.getBackColor().equals(jexer.bits.Color.BLUE)) {
-                            gr.setColor(Color.blue);
-                        } else if (lCell.getBackColor().equals(jexer.bits.Color.GREEN)) {
-                            gr.setColor(Color.green);
-                        } else if (lCell.getBackColor().equals(jexer.bits.Color.YELLOW)) {
-                            gr.setColor(Color.yellow);
-                        } else if (lCell.getBackColor().equals(jexer.bits.Color.CYAN)) {
-                            gr.setColor(Color.cyan);
-                        } else if (lCell.getBackColor().equals(jexer.bits.Color.MAGENTA)) {
-                            gr.setColor(Color.magenta);
-                        } else if (lCell.getBackColor().equals(jexer.bits.Color.WHITE)) {
-                            gr.setColor(Color.white);
-                        }
-                        gr.fillRect(xPixel, yPixel, textWidth + 1,
-                            textHeight + 2);
-
-                        if (lCell.getForeColor().equals(jexer.bits.Color.BLACK)) {
-                            gr.setColor(Color.black);
-                        } else if (lCell.getForeColor().equals(jexer.bits.Color.RED)) {
-                            gr.setColor(Color.red);
-                        } else if (lCell.getForeColor().equals(jexer.bits.Color.BLUE)) {
-                            gr.setColor(Color.blue);
-                        } else if (lCell.getForeColor().equals(jexer.bits.Color.GREEN)) {
-                            gr.setColor(Color.green);
-                        } else if (lCell.getForeColor().equals(jexer.bits.Color.YELLOW)) {
-                            gr.setColor(Color.yellow);
-                        } else if (lCell.getForeColor().equals(jexer.bits.Color.CYAN)) {
-                            gr.setColor(Color.cyan);
-                        } else if (lCell.getForeColor().equals(jexer.bits.Color.MAGENTA)) {
-                            gr.setColor(Color.magenta);
-                        } else if (lCell.getForeColor().equals(jexer.bits.Color.WHITE)) {
-                            gr.setColor(Color.white);
-                        }
+                        gr.setColor(attrToBackgroundColor(lCell));
+                        gr.fillRect(xPixel, yPixel, textWidth, textHeight);
+                        gr.setColor(attrToForegroundColor(lCell));
                         char [] chars = new char[1];
                         chars[0] = lCell.getChar();
                         gr.drawChars(chars, 0, 1, xPixel,
-                            yPixel + textHeight - 2);
+                            yPixel + textHeight - maxDescent);
 
                         // Physical is always updated
                         physical[x][y].setTo(lCell);
@@ -173,17 +318,15 @@ public final class AWTScreen extends Screen {
     }
 
     /**
-     * The raw AWT Frame.
+     * The raw AWT Frame.  Note package private access.
      */
-    private AWTFrame frame;
+    AWTFrame frame;
 
     /**
      * Public constructor.
      */
     public AWTScreen() {
-        frame = new AWTFrame();
-        frame.screen = this;
-        frame.resizeToScreen();
+        frame = new AWTFrame(this);
     }
 
     /**