X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=reader%2Ftui%2FTSimpleScrollableWindow.java;fp=reader%2Ftui%2FTSimpleScrollableWindow.java;h=7b8f439ef38f2cf31e58391d9142862e182963ee;hb=0fc81e6465aa9c1f1dfc19b532082220d609768a;hp=0000000000000000000000000000000000000000;hpb=505be508ae7d3fb48122be548b310a238cfb91eb;p=fanfix.git

diff --git a/reader/tui/TSimpleScrollableWindow.java b/reader/tui/TSimpleScrollableWindow.java
new file mode 100644
index 0000000..7b8f439
--- /dev/null
+++ b/reader/tui/TSimpleScrollableWindow.java
@@ -0,0 +1,150 @@
+package be.nikiroo.fanfix.reader.tui;
+
+import jexer.TApplication;
+import jexer.THScroller;
+import jexer.TPanel;
+import jexer.TScrollableWindow;
+import jexer.TVScroller;
+import jexer.TWidget;
+import jexer.event.TMouseEvent;
+import jexer.event.TResizeEvent;
+
+public class TSimpleScrollableWindow extends TScrollableWindow {
+	protected TPanel mainPane;
+	private int prevHorizontal = -1;
+	private int prevVertical = -1;
+
+	public TSimpleScrollableWindow(TApplication application, String title,
+			int width, int height) {
+		this(application, title, width, height, 0, 0, 0);
+	}
+
+	public TSimpleScrollableWindow(TApplication application, String title,
+			int width, int height, int flags) {
+		this(application, title, width, height, flags, 0, 0);
+	}
+
+	// 0 = none (so, no scrollbar)
+	public TSimpleScrollableWindow(TApplication application, String title,
+			int width, int height, int flags, int realWidth, int realHeight) {
+		super(application, title, width, height, flags);
+
+		mainPane = new TPanel(this, 0, 0, 1, 1) {
+			@Override
+			public void draw() {
+				for (TWidget children : mainPane.getChildren()) {
+					int y = children.getY() + children.getHeight();
+					int x = children.getX() + children.getWidth();
+					boolean visible = (y > getVerticalValue())
+							&& (x > getHorizontalValue());
+					children.setVisible(visible);
+				}
+				super.draw();
+			}
+		};
+
+		mainPane.setWidth(getWidth());
+		mainPane.setHeight(getHeight());
+
+		setRealWidth(realWidth);
+		setRealHeight(realHeight);
+		placeScrollbars();
+	}
+
+	/**
+	 * The main pane on which you can add other widgets for this scrollable
+	 * window.
+	 * 
+	 * @return the main pane
+	 */
+	public TPanel getMainPane() {
+		return mainPane;
+	}
+
+	public void setRealWidth(int realWidth) {
+		if (realWidth <= 0) {
+			if (hScroller != null) {
+				hScroller.remove();
+			}
+		} else {
+			if (hScroller == null) {
+				// size/position will be fixed by placeScrollbars()
+				hScroller = new THScroller(this, 0, 0, 10);
+			}
+			setRightValue(realWidth);
+		}
+
+		reflowData();
+	}
+
+	public void setRealHeight(int realHeight) {
+		if (realHeight <= 0) {
+			if (vScroller != null) {
+				vScroller.remove();
+			}
+		} else {
+			if (vScroller == null) {
+				// size/position will be fixed by placeScrollbars()
+				vScroller = new TVScroller(this, 0, 0, 10);
+			}
+			setBottomValue(realHeight);
+		}
+
+		reflowData();
+	}
+
+	@Override
+	public void onResize(TResizeEvent event) {
+		super.onResize(event);
+		mainPane.setWidth(getWidth());
+		mainPane.setHeight(getHeight());
+		mainPane.onResize(event);
+	}
+
+	@Override
+	public void reflowData() {
+		super.reflowData();
+		reflowData(getHorizontalValue(), getVerticalValue());
+	}
+
+	protected void reflowData(int totalX, int totalY) {
+		super.reflowData();
+		mainPane.setX(-totalX);
+		mainPane.setY(-totalY);
+	}
+
+	@Override
+	public void onMouseUp(TMouseEvent mouse) {
+		super.onMouseUp(mouse);
+
+		// TODO: why? this should already be done by the scrollers
+		// it could also mean we do it twice if, somehow, it sometime works...
+		int mrx = mouse.getX();
+		int mry = mouse.getY();
+
+		int mx = mouse.getAbsoluteX();
+		int my = mouse.getAbsoluteY();
+
+		if (vScroller != null) {
+			mouse.setX(mx - vScroller.getAbsoluteX());
+			mouse.setY(my - vScroller.getAbsoluteY());
+			vScroller.onMouseUp(mouse);
+		}
+		if (hScroller != null) {
+			mouse.setX(mx - hScroller.getAbsoluteX());
+			mouse.setY(my - hScroller.getAbsoluteY());
+			hScroller.onMouseUp(mouse);
+		}
+
+		mouse.setX(mrx);
+		mouse.setY(mry);
+		//
+
+		if (prevHorizontal != getHorizontalValue()
+				|| prevVertical != getVerticalValue()) {
+			prevHorizontal = getHorizontalValue();
+			prevVertical = getVerticalValue();
+			reflowData();
+		}
+	}
+}