Added element hiding capability

Giving labels multiline capabilities

assets/test3.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE ETML>
+<etml>
+    <text id="multilinedialog">
+        This is a multiline dialog. <br />
+        This dialog has multiple lines. <br />
+    </text>
+    <text id="multilinelabel">
+        This is a multiline label. <br />
+        This label has multiple lines.
+    </text>
+</etml>

pixelperfectengine/src/pixelperfectengine/concrete/elements/base.d

@@ -14,6 +14,7 @@ public enum ElementState : ubyte {
 	Enabled				=	0,	///Means the element is enabled.
 	DisabledWOGray		=	1,	///Disabled without grayout, should be only used by elements contained within other elements.
 	Disabled			=	2,	///Means the element is disabled.
+	Hidden				=	3,	///Element isn't drawn on the screen.
 }
 /**
  * All Window elements inherit from this class. Provides basic interfacing with containers.

pixelperfectengine/src/pixelperfectengine/concrete/elements/button.d

@@ -32,7 +32,7 @@ public class Button : WindowElement {
 		//output = new BitmapDrawer(coordinates.width, coordinates.height);
 	}
 	public override void draw() {
-		if (parent is null) return;
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet();
 		parent.clearArea(position);
 		if (isPressed) {

pixelperfectengine/src/pixelperfectengine/concrete/elements/checkbox.d

@@ -51,6 +51,7 @@ public class CheckBox : WindowElement, ISmallButton {
 		isChecked = checked;
 	}
 	public override void draw() {
+		if (parent is null || state == ElementState.Hidden) return;
 		parent.clearArea(position);
 		StyleSheet ss = getStyleSheet;
 		Bitmap8Bit icon = isChecked ? ss.getImage(iconChecked) : ss.getImage(iconUnchecked);

pixelperfectengine/src/pixelperfectengine/concrete/elements/encoder.d

@@ -58,6 +58,7 @@ public class SlidingEncoder : WindowElement {
 		return _value;
 	}
 	override public void draw() {
+		if (parent is null || state == ElementState.Hidden) return;
 		parent.bitBLT(position.cornerUL, background);
 		const Point sliderpos = Point(position.left + track.left, position.top + track.top + cast(uint)(valRatio * _value));
 		parent.bitBLT(sliderpos, slider);

pixelperfectengine/src/pixelperfectengine/concrete/elements/label.d

@@ -15,9 +15,11 @@ public class Label : WindowElement {
 		this.source = source;
 	}
 	public override void draw() {
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet();
 		parent.drawFilledBox(position, ss.getColor("window"));
-		parent.drawTextSL(position, text, Point(0,0));
+		//parent.drawTextSL(position, text, Point(0,0));
+		parent.drawTextML(position, text, Point(0,0));
 		if (isFocused) {
 			const int textPadding = ss.drawParameters["horizTextPadding"];
 			parent.drawBoxPattern(position - textPadding, ss.pattern["blackDottedLine"]);

pixelperfectengine/src/pixelperfectengine/concrete/elements/listview.d

@@ -323,7 +323,7 @@ public class ListView : WindowElement, ElementContainer, TextInputListener {
 		return value;
 	}
 	override public void draw() {
-		if (parent is null) return;
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet;
 		if (flags & TEXTINPUT_EN) { //only redraw the editing cell in this case
 			const int textPadding = ss.drawParameters["TextSpacingSides"];

pixelperfectengine/src/pixelperfectengine/concrete/elements/menubar.d

@@ -37,6 +37,7 @@ public class MenuBar : WindowElement {
 		}
 	}
 	public override void draw() {
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet();
 		with (parent) {
 			drawFilledBox(position, ss.getColor("window"));

pixelperfectengine/src/pixelperfectengine/concrete/elements/panel.d

@@ -35,7 +35,11 @@ public class Panel : WindowElement, ElementContainer {
 		}
 		return super.state(state);
 	}
+	public override ElementState state() @property @nogc @safe const pure nothrow {
+		return super.state();
+	}
 	public override void draw() {
+		if (parent is null || state() == ElementState.Hidden) return;
 		foreach (key; subElems) {
 			key.draw;
 		}

pixelperfectengine/src/pixelperfectengine/concrete/elements/radiobutton.d

@@ -34,6 +34,7 @@ public class RadioButton : WindowElement, IRadioButton, ISmallButton {
 			group.add(this);
 	}
 	override public void draw() {
+		if (parent is null || state == ElementState.Hidden) return;
 		parent.clearArea(position);
 		StyleSheet ss = getStyleSheet();
 		Bitmap8Bit icon = isChecked ? ss.getImage(iconLatched) : ss.getImage(iconUnlatched);

pixelperfectengine/src/pixelperfectengine/concrete/elements/scrollbar.d

@@ -99,7 +99,7 @@ public class VertScrollBar : ScrollBar {
 		this.maxValue = maxValue;
 	}
 	public override void draw(){
-		if (parent is null) return;
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet();
 		//draw background
 		parent.drawFilledBox(position, ss.getColor("SliderBackground"));
@@ -190,7 +190,7 @@ public class HorizScrollBar : ScrollBar {
 		this.maxValue = maxValue;
 	}
 	public override void draw(){
-		if (parent is null) return;
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet();
 		//draw background
 		parent.drawFilledBox(position, ss.getColor("SliderBackground"));

pixelperfectengine/src/pixelperfectengine/concrete/elements/smallbutton.d

@@ -33,7 +33,7 @@ public class SmallButton : WindowElement, ISmallButton {
 
 	}
 	public override void draw() {
-		if (parent is null) return;
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet();
 		Bitmap8Bit icon = isPressed ? ss.getImage(iconPressed) : ss.getImage(iconUnpressed);
 		parent.bitBLT(position.cornerUL, icon);

pixelperfectengine/src/pixelperfectengine/concrete/elements/textbox.d

@@ -79,7 +79,7 @@ public class TextBox : WindowElement, TextInputListener {
 		super.passMCE(mec, mce);
 	}
 	public override void draw(){
-		if (parent is null) return;
+		if (parent is null || state == ElementState.Hidden) return;
 		StyleSheet ss = getStyleSheet();
 		const int textPadding = ss.drawParameters["TextSpacingSides"];
 		with (parent) {