Improved caret position for non standard carets.

core/src/main/java/com/github/weisj/darklaf/ui/text/DarkCaret.java

@@ -37,6 +37,8 @@ import javax.swing.text.*;
 import javax.swing.text.DefaultHighlighterDark.DarkHighlightPainter;
 
 import com.github.weisj.darklaf.graphics.PaintUtil;
+import com.github.weisj.darklaf.ui.text.action.SelectLineAction;
+import com.github.weisj.darklaf.ui.text.action.SelectWordAction;
 
 /**
  * @author Jannis Weis
@@ -88,11 +90,6 @@ public class DarkCaret extends DefaultCaret implements UIResource {
         }
     }
 
-    @Override
-    protected void positionCaret(final MouseEvent e) {
-        super.positionCaret(e);
-    }
-
     public boolean isAlwaysVisible() {
         return alwaysVisible;
     }
@@ -117,26 +114,32 @@ public class DarkCaret extends DefaultCaret implements UIResource {
     }
 
     public enum CaretStyle {
-        VERTICAL_LINE_STYLE(1),
-        UNDERLINE_STYLE(0),
-        BLOCK_STYLE(0),
-        BLOCK_BORDER_STYLE(0),
-        THICK_VERTICAL_LINE_STYLE(1);
+        VERTICAL_LINE_STYLE(1, false),
+        UNDERLINE_STYLE(1, true),
+        BLOCK_STYLE(1, true),
+        BLOCK_BORDER_STYLE(1, true),
+        THICK_VERTICAL_LINE_STYLE(2, false);
+
+        private final int size;
+        private final boolean charWidth;
 
-        private final int width;
+        CaretStyle(final int size, final boolean charWidth) {
+            this.size = size;
+            this.charWidth = charWidth;
+        }
 
-        CaretStyle(final int width) {
-            this.width = width;
+        public int getSize() {
+            return size;
         }
 
-        public int getWidth() {
-            return width;
+        public boolean isCharacterWidth() {
+            return charWidth;
         }
     }
 
     @Override
     public double getWidth() {
-        return style.getWidth();
+        return getStyle().getSize();
     }
 
     /**
@@ -264,15 +267,20 @@ public class DarkCaret extends DefaultCaret implements UIResource {
         }
     }
 
+    @Override
+    public boolean isVisible() {
+        return super.isVisible() || isAlwaysVisible();
+    }
+
     @Override
     public void paint(final Graphics g) {
-        if (isVisible() || alwaysVisible) {
+        if (isVisible()) {
             JTextComponent textArea = getComponent();
             g.setColor(textArea.getCaretColor());
             TextUI mapper = textArea.getUI();
             Rectangle r;
             try {
-                r = mapper.modelToView(textArea, getDot(), Position.Bias.Forward);
+                r = mapper.modelToView(textArea, getDot(), getDotBias());
             } catch (BadLocationException ex) {
                 r = new Rectangle(0, 0, 0, 0);
             }
@@ -294,28 +302,25 @@ public class DarkCaret extends DefaultCaret implements UIResource {
             r.y += 1;
 
             Color textAreaBg = textArea.getBackground();
-            switch (style) {
-                case BLOCK_STYLE :
             if (textAreaBg == null) {
                 textAreaBg = Color.white;
             }
+            switch (style) {
+                case BLOCK_STYLE :
                     g.setXORMode(textAreaBg);
                     g.fillRect(r.x, r.y, r.width, r.height);
                     break;
                 case BLOCK_BORDER_STYLE :
-                    PaintUtil.drawRect(g, r.x, r.y, r.width, r.height, 1);
+                    PaintUtil.drawRect(g, r.x, r.y, r.width, r.height, style.getSize());
                     break;
                 case UNDERLINE_STYLE :
-                    if (textAreaBg == null) {
-                        textAreaBg = Color.white;
-                    }
                     g.setXORMode(textAreaBg);
                     int y = r.y + r.height;
-                    g.fillRect(r.x, y - 1, r.width, 1);
+                    g.fillRect(r.x, y - style.getSize(), r.width, style.getSize());
                     break;
                 case THICK_VERTICAL_LINE_STYLE :
                 case VERTICAL_LINE_STYLE :
-                    g.fillRect(r.x, r.y, style.getWidth(), r.height);
+                    g.fillRect(r.x, r.y, style.getSize(), r.height);
                     break;
             }
         }
@@ -347,7 +352,7 @@ public class DarkCaret extends DefaultCaret implements UIResource {
     }
 
     private void validateWidth(final Rectangle rect) {
-        if (rect != null && rect.width <= 1) {
+        if (rect != null && (rect.width <= 1 || getStyle().isCharacterWidth())) {
             JTextComponent textArea = getComponent();
             try {
                 textArea.getDocument().getText(getDot(), 1, seg);

core/src/main/java/com/github/weisj/darklaf/ui/text/action/SelectLineAction.java

@@ -20,9 +20,8 @@
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
- *
  */
-package com.github.weisj.darklaf.ui.text;
+package com.github.weisj.darklaf.ui.text.action;
 
 import java.awt.event.ActionEvent;
 

core/src/main/java/com/github/weisj/darklaf/ui/text/action/SelectWordAction.java

@@ -20,9 +20,8 @@
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
- *
  */
-package com.github.weisj.darklaf.ui.text;
+package com.github.weisj.darklaf.ui.text.action;
 
 import java.awt.event.ActionEvent;
 

core/src/test/java/ui/text/TextComponentDemo.java

@@ -24,6 +24,8 @@
  */
 package ui.text;
 
+import java.awt.*;
+
 import javax.swing.*;
 import javax.swing.border.Border;
 import javax.swing.text.JTextComponent;
@@ -41,7 +43,7 @@ public abstract class TextComponentDemo<T extends JTextComponent> implements Com
     public JComponent createComponent() {
         T text = createTextComponent();
         text.setText(StringUtil.repeat(StringUtil.repeat("Word ", 5) + "\n", 5));
-        DemoPanel panel = new DemoPanel(text);
+        DemoPanel panel = new DemoPanel(text, new BorderLayout(), 10);
         Border textBorder = new DarkTextBorder();
         Border border = text.getBorder();