headless backend demo

[fanfix.git] / src / jexer / backend / ECMA48Terminal.java

diff --git a/src/jexer/backend/ECMA48Terminal.java b/src/jexer/backend/ECMA48Terminal.java
index 2ce6378a62d5f4bdb7af0bc7d27c82dd1889881d..0389f3d388e3146c64aeab299c5f2ec357110a70 100644 (file)
--- a/src/jexer/backend/ECMA48Terminal.java
+++ b/src/jexer/backend/ECMA48Terminal.java
@@ -1643,7 +1643,10 @@ public class ECMA48Terminal extends LogicalScreen
      * @return the width in pixels of a character cell
      */
     public int getTextWidth() {
-        return (widthPixels / sessionInfo.getWindowWidth());
+        if (sessionInfo.getWindowWidth() > 0) {
+            return (widthPixels / sessionInfo.getWindowWidth());
+        }
+        return 16;
     }
 
     /**
@@ -1652,7 +1655,10 @@ public class ECMA48Terminal extends LogicalScreen
      * @return the height in pixels of a character cell
      */
     public int getTextHeight() {
-        return (heightPixels / sessionInfo.getWindowHeight());
+        if (sessionInfo.getWindowHeight() > 0) {
+            return (heightPixels / sessionInfo.getWindowHeight());
+        }
+        return 20;
     }
 
     /**
@@ -2238,10 +2244,13 @@ public class ECMA48Terminal extends LogicalScreen
         boolean eventMouse3 = false;
         boolean eventMouseWheelUp = false;
         boolean eventMouseWheelDown = false;
+        boolean eventAlt = false;
+        boolean eventCtrl = false;
+        boolean eventShift = false;
 
         // System.err.printf("buttons: %04x\r\n", buttons);
 
-        switch (buttons) {
+        switch (buttons & 0xE3) {
         case 0:
             eventMouse1 = true;
             mouse1 = true;
@@ -2323,9 +2332,21 @@ public class ECMA48Terminal extends LogicalScreen
             eventType = TMouseEvent.Type.MOUSE_MOTION;
             break;
         }
+
+        if ((buttons & 0x04) != 0) {
+            eventShift = true;
+        }
+        if ((buttons & 0x08) != 0) {
+            eventAlt = true;
+        }
+        if ((buttons & 0x10) != 0) {
+            eventCtrl = true;
+        }
+
         return new TMouseEvent(eventType, x, y, x, y,
             eventMouse1, eventMouse2, eventMouse3,
-            eventMouseWheelUp, eventMouseWheelDown);
+            eventMouseWheelUp, eventMouseWheelDown,
+            eventAlt, eventCtrl, eventShift);
     }
 
     /**
@@ -2360,12 +2381,15 @@ public class ECMA48Terminal extends LogicalScreen
         boolean eventMouse3 = false;
         boolean eventMouseWheelUp = false;
         boolean eventMouseWheelDown = false;
+        boolean eventAlt = false;
+        boolean eventCtrl = false;
+        boolean eventShift = false;
 
         if (release) {
             eventType = TMouseEvent.Type.MOUSE_UP;
         }
 
-        switch (buttons) {
+        switch (buttons & 0xE3) {
         case 0:
             eventMouse1 = true;
             break;
@@ -2422,9 +2446,21 @@ public class ECMA48Terminal extends LogicalScreen
             // Unknown, bail out
             return null;
         }
+
+        if ((buttons & 0x04) != 0) {
+            eventShift = true;
+        }
+        if ((buttons & 0x08) != 0) {
+            eventAlt = true;
+        }
+        if ((buttons & 0x10) != 0) {
+            eventCtrl = true;
+        }
+
         return new TMouseEvent(eventType, x, y, x, y,
             eventMouse1, eventMouse2, eventMouse3,
-            eventMouseWheelUp, eventMouseWheelDown);
+            eventMouseWheelUp, eventMouseWheelDown,
+            eventAlt, eventCtrl, eventShift);
     }
 
     /**
@@ -2869,6 +2905,7 @@ public class ECMA48Terminal extends LogicalScreen
                         // them.
                         jexerImageOption = JexerImageOption.DISABLED;
                     }
+                    resetParser();
                     return;
                 case 't':
                     // windowOps
@@ -3161,12 +3198,10 @@ public class ECMA48Terminal extends LogicalScreen
         int imageWidth = cells.get(0).getImage().getWidth();
         int imageHeight = cells.get(0).getImage().getHeight();
 
-        // cells.get(x).getImage() has a dithered bitmap containing indexes
-        // into the color palette.  Piece these together into one larger
-        // image for final rendering.
+        // Piece these together into one larger image for final rendering.
         int totalWidth = 0;
-        int fullWidth = cells.size() * getTextWidth();
-        int fullHeight = getTextHeight();
+        int fullWidth = cells.size() * imageWidth;
+        int fullHeight = imageHeight;
         for (int i = 0; i < cells.size(); i++) {
             totalWidth += cells.get(i).getImage().getWidth();
         }
@@ -3176,10 +3211,8 @@ public class ECMA48Terminal extends LogicalScreen
 
         int [] rgbArray;
         for (int i = 0; i < cells.size() - 1; i++) {
-            int tileWidth = Math.min(cells.get(i).getImage().getWidth(),
-                imageWidth);
-            int tileHeight = Math.min(cells.get(i).getImage().getHeight(),
-                imageHeight);
+            int tileWidth = imageWidth;
+            int tileHeight = imageHeight;
 
             if (false && cells.get(i).isInvertedImage()) {
                 // I used to put an all-white cell over the cursor, don't do
@@ -3247,7 +3280,7 @@ public class ECMA48Terminal extends LogicalScreen
         image.setRGB((cells.size() - 1) * imageWidth, 0, totalWidth,
             imageHeight, rgbArray, 0, totalWidth);
 
-        if (totalWidth < getTextWidth()) {
+        if (totalWidth < imageWidth) {
             int backgroundColor = cells.get(cells.size() - 1).getBackground().getRGB();
 
             for (int imageX = image.getWidth() - totalWidth;
@@ -3259,6 +3292,22 @@ public class ECMA48Terminal extends LogicalScreen
             }
         }
 
+        if ((image.getWidth() != cells.size() * getTextWidth())
+            || (image.getHeight() != getTextHeight())
+        ) {
+            // Rescale the image to fit the text cells it is going into.
+            BufferedImage newImage;
+            newImage = new BufferedImage(cells.size() * getTextWidth(),
+                getTextHeight(), BufferedImage.TYPE_INT_ARGB);
+
+            java.awt.Graphics gr = newImage.getGraphics();
+            gr.drawImage(image, 0, 0, newImage.getWidth(),
+                newImage.getHeight(), null, null);
+            gr.dispose();
+            image = newImage;
+            fullHeight = image.getHeight();
+        }
+
         // Dither the image.  It is ok to lose the original here.
         if (palette == null) {
             palette = new SixelPalette();
@@ -3476,8 +3525,8 @@ public class ECMA48Terminal extends LogicalScreen
         // Piece cells.get(x).getImage() pieces together into one larger
         // image for final rendering.
         int totalWidth = 0;
-        int fullWidth = cells.size() * getTextWidth();
-        int fullHeight = getTextHeight();
+        int fullWidth = cells.size() * imageWidth;
+        int fullHeight = imageHeight;
         for (int i = 0; i < cells.size(); i++) {
             totalWidth += cells.get(i).getImage().getWidth();
         }
@@ -3487,10 +3536,8 @@ public class ECMA48Terminal extends LogicalScreen
 
         int [] rgbArray;
         for (int i = 0; i < cells.size() - 1; i++) {
-            int tileWidth = Math.min(cells.get(i).getImage().getWidth(),
-                imageWidth);
-            int tileHeight = Math.min(cells.get(i).getImage().getHeight(),
-                imageHeight);
+            int tileWidth = imageWidth;
+            int tileHeight = imageHeight;
             if (false && cells.get(i).isInvertedImage()) {
                 // I used to put an all-white cell over the cursor, don't do
                 // that anymore.
@@ -3557,7 +3604,7 @@ public class ECMA48Terminal extends LogicalScreen
         image.setRGB((cells.size() - 1) * imageWidth, 0, totalWidth,
             imageHeight, rgbArray, 0, totalWidth);
 
-        if (totalWidth < getTextWidth()) {
+        if (totalWidth < imageWidth) {
             int backgroundColor = cells.get(cells.size() - 1).getBackground().getRGB();
 
             for (int imageX = image.getWidth() - totalWidth;
@@ -3569,6 +3616,22 @@ public class ECMA48Terminal extends LogicalScreen
             }
         }
 
+        if ((image.getWidth() != cells.size() * getTextWidth())
+            || (image.getHeight() != getTextHeight())
+        ) {
+            // Rescale the image to fit the text cells it is going into.
+            BufferedImage newImage;
+            newImage = new BufferedImage(cells.size() * getTextWidth(),
+                getTextHeight(), BufferedImage.TYPE_INT_ARGB);
+
+            java.awt.Graphics gr = newImage.getGraphics();
+            gr.drawImage(image, 0, 0, newImage.getWidth(),
+                newImage.getHeight(), null, null);
+            gr.dispose();
+            image = newImage;
+            fullHeight = image.getHeight();
+        }
+
         /*
          * From https://iterm2.com/documentation-images.html:
          *
@@ -3725,8 +3788,8 @@ public class ECMA48Terminal extends LogicalScreen
         // Piece cells.get(x).getImage() pieces together into one larger
         // image for final rendering.
         int totalWidth = 0;
-        int fullWidth = cells.size() * getTextWidth();
-        int fullHeight = getTextHeight();
+        int fullWidth = cells.size() * imageWidth;
+        int fullHeight = imageHeight;
         for (int i = 0; i < cells.size(); i++) {
             totalWidth += cells.get(i).getImage().getWidth();
         }
@@ -3736,10 +3799,8 @@ public class ECMA48Terminal extends LogicalScreen
 
         int [] rgbArray;
         for (int i = 0; i < cells.size() - 1; i++) {
-            int tileWidth = Math.min(cells.get(i).getImage().getWidth(),
-                imageWidth);
-            int tileHeight = Math.min(cells.get(i).getImage().getHeight(),
-                imageHeight);
+            int tileWidth = imageWidth;
+            int tileHeight = imageHeight;
             if (false && cells.get(i).isInvertedImage()) {
                 // I used to put an all-white cell over the cursor, don't do
                 // that anymore.
@@ -3806,7 +3867,7 @@ public class ECMA48Terminal extends LogicalScreen
         image.setRGB((cells.size() - 1) * imageWidth, 0, totalWidth,
             imageHeight, rgbArray, 0, totalWidth);
 
-        if (totalWidth < getTextWidth()) {
+        if (totalWidth < imageWidth) {
             int backgroundColor = cells.get(cells.size() - 1).getBackground().getRGB();
 
             for (int imageX = image.getWidth() - totalWidth;
@@ -3818,6 +3879,22 @@ public class ECMA48Terminal extends LogicalScreen
             }
         }
 
+        if ((image.getWidth() != cells.size() * getTextWidth())
+            || (image.getHeight() != getTextHeight())
+        ) {
+            // Rescale the image to fit the text cells it is going into.
+            BufferedImage newImage;
+            newImage = new BufferedImage(cells.size() * getTextWidth(),
+                getTextHeight(), BufferedImage.TYPE_INT_ARGB);
+
+            java.awt.Graphics gr = newImage.getGraphics();
+            gr.drawImage(image, 0, 0, newImage.getWidth(),
+                newImage.getHeight(), null, null);
+            gr.dispose();
+            image = newImage;
+            fullHeight = image.getHeight();
+        }
+
         if (jexerImageOption == JexerImageOption.PNG) {
             // Encode as PNG
             ByteArrayOutputStream pngOutputStream = new ByteArrayOutputStream(1024);