#51 wip

[fanfix.git] / src / jexer / TSplitPane.java

diff --git a/src/jexer/TSplitPane.java b/src/jexer/TSplitPane.java
index 0a3443b85eeda57511fd486db0539dc663e08f6a..277f080e22af099cf0bb576eb09dd4637027e4c2 100644 (file)
--- a/src/jexer/TSplitPane.java
+++ b/src/jexer/TSplitPane.java
@@ -81,6 +81,11 @@ public class TSplitPane extends TWidget {
      */
     private boolean inSplitMove = false;
 
+    /**
+     * The last seen mouse position.
+     */
+    private TMouseEvent mouse;
+
     // ------------------------------------------------------------------------
     // Constructors -----------------------------------------------------------
     // ------------------------------------------------------------------------
@@ -136,6 +141,7 @@ public class TSplitPane extends TWidget {
      */
     @Override
     public void onMouseDown(final TMouseEvent mouse) {
+        this.mouse = mouse;
 
         inSplitMove = false;
 
@@ -161,6 +167,7 @@ public class TSplitPane extends TWidget {
      */
     @Override
     public void onMouseUp(final TMouseEvent mouse) {
+        this.mouse = mouse;
 
         if (inSplitMove && mouse.isMouse1()) {
             // Stop moving split
@@ -179,6 +186,16 @@ public class TSplitPane extends TWidget {
      */
     @Override
     public void onMouseMotion(final TMouseEvent mouse) {
+        this.mouse = mouse;
+
+        if ((mouse.getAbsoluteX() - getAbsoluteX() < 0)
+            || (mouse.getAbsoluteX() - getAbsoluteX() >= getWidth())
+            || (mouse.getAbsoluteY() - getAbsoluteY() < 0)
+            || (mouse.getAbsoluteY() - getAbsoluteY() >= getHeight())
+        ) {
+            // Mouse has travelled out of my window.
+            inSplitMove = false;
+        }
 
         if (inSplitMove) {
             if (vertical) {
@@ -209,10 +226,29 @@ public class TSplitPane extends TWidget {
         if (vertical) {
             vLineXY(split, 0, getHeight(), GraphicsChars.WINDOW_SIDE, attr);
             // TODO: draw intersections of children
+
+            if ((mouse != null)
+                && (mouse.getAbsoluteX() == getAbsoluteX() + split)
+                && (mouse.getAbsoluteY() >= getAbsoluteY()) &&
+                (mouse.getAbsoluteY() < getAbsoluteY() + getHeight())
+            ) {
+                putCharXY(split, mouse.getAbsoluteY() - getAbsoluteY(),
+                    '\u2194', attr);
+            }
         } else {
             hLineXY(0, split, getWidth(), GraphicsChars.SINGLE_BAR, attr);
             // TODO: draw intersections of children
+
+            if ((mouse != null)
+                && (mouse.getAbsoluteY() == getAbsoluteY() + split)
+                && (mouse.getAbsoluteX() >= getAbsoluteX()) &&
+                (mouse.getAbsoluteX() < getAbsoluteX() + getWidth())
+            ) {
+                putCharXY(mouse.getAbsoluteX() - getAbsoluteX(), split,
+                    '\u2195', attr);
+            }
         }
+
     }
 
     // ------------------------------------------------------------------------
@@ -382,4 +418,56 @@ public class TSplitPane extends TWidget {
         layoutChildren();
     }
 
+    /**
+     * Remove this split, removing the widget specified.
+     *
+     * @param widgetToRemove the widget to remove
+     * @param doClose if true, call the close() method before removing the
+     * child
+     * @return the pane that remains, or null if nothing is retained
+     */
+    public TWidget removeSplit(final TWidget widgetToRemove,
+        final boolean doClose) {
+
+        TWidget keep = null;
+        if (vertical) {
+            if ((widgetToRemove != left) && (widgetToRemove != right)) {
+                throw new IllegalArgumentException("widget to remove is not " +
+                    "either of the panes in this splitpane");
+            }
+            if (widgetToRemove == left) {
+                keep = right;
+            } else {
+                keep = left;
+            }
+
+        } else {
+            if ((widgetToRemove != top) && (widgetToRemove != bottom)) {
+                throw new IllegalArgumentException("widget to remove is not " +
+                    "either of the panes in this splitpane");
+            }
+            if (widgetToRemove == top) {
+                keep = bottom;
+            } else {
+                keep = top;
+            }
+        }
+
+        // Remove me from my parent widget.
+        TWidget newParent = getParent();
+        setParent(null, false);
+
+        if (keep == null) {
+            // Nothing is left of either pane.  Remove me and bail out.
+            return null;
+        }
+
+        keep.setParent(newParent, false);
+        keep.setDimensions(getX(), getY(), getWidth(), getHeight());
+        keep.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
+                getHeight()));
+
+        return keep;
+    }
+
 }