bendns' repos / latex-bot
latex bot discord
Diffstat (limited to 'addons/GodoTeX/LaTeXButton.cs')
-rw-r--r--addons/GodoTeX/LaTeXButton.cs105
1 files changed, 105 insertions, 0 deletions
diff --git a/addons/GodoTeX/LaTeXButton.cs b/addons/GodoTeX/LaTeXButton.cs
new file mode 100644
index 0000000..166a6c7
--- /dev/null
+++ b/addons/GodoTeX/LaTeXButton.cs
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+using Godot;
+
+[Tool]
+public class LaTeXButton : TextureButton {
+ // The following wordy declarations ensure that changing the properties
+ // inside the editor causes the expression to re-render.
+
+ public string LatexExpression;
+ [Export(PropertyHint.MultilineText)]
+ private string _latexExpression {
+ get {return LatexExpression;}
+ set {
+ // This runs when LatexExpression is set in the editor.
+
+ LatexExpression = value;
+ Render();
+ }
+ }
+
+ public float FontSize = 40f;
+ [Export(PropertyHint.Range, "10,60,1,or_greater,or_lesser")]
+ private float _fontSize {
+ get {return FontSize;}
+ set {
+ FontSize = value;
+ Render();
+ }
+ }
+
+ public Color MathColor = new Color(0,0,0,1);
+ [Export]
+ private Color _mathColor {
+ get {return MathColor;}
+ set {
+ MathColor = value;
+ Render();
+ }
+ }
+
+ public bool AntiAliasing = true;
+ [Export]
+ private bool _antiAliasing {
+ get {return AntiAliasing;}
+ set {
+ AntiAliasing = value;
+ Render();
+ }
+ }
+
+ public bool ShowError = true;
+ [Export]
+ private bool _showError {
+ get {return ShowError;}
+ set {
+ ShowError = value;
+ Render();
+ }
+ }
+
+ public void Render() {
+ var texture = new LaTeXture();
+ texture.LatexExpression = this.LatexExpression;
+ texture.FontSize = this.FontSize;
+ texture.AntiAliasing = this.AntiAliasing;
+ texture.Fill = false;
+ texture.MathColor = this.MathColor;
+ texture.ShowError = this.ShowError;
+ texture.Render();
+
+ this.TextureNormal = texture;
+
+ var texture2 = new LaTeXture();
+ texture2.LatexExpression = this.LatexExpression;
+ texture2.FontSize = this.FontSize;
+ texture2.AntiAliasing = this.AntiAliasing;
+ texture2.Fill = true;
+ texture2.MathColor = this.MathColor;
+ texture2.ShowError = this.ShowError;
+ texture2.Render();
+
+ this.TextureHover = texture2;
+
+ // A bit of a hack, we increase the top spacing in the LaTeX expression
+ // to give a 'pressed down' effect.
+ var texture3 = new LaTeXture();
+ texture3.LatexExpression = @"\raisebox{41mu}{}" + this.LatexExpression;
+ texture3.FontSize = this.FontSize;
+ texture3.AntiAliasing = this.AntiAliasing;
+ texture3.Fill = true;
+ texture3.MathColor = this.MathColor;
+ texture3.ShowError = this.ShowError;
+ texture3.Render();
+
+ this.TexturePressed = texture3;
+
+ var clickMask = new BitMap();
+ clickMask.Create(new Vector2(texture.Width, texture.Height));
+ clickMask.SetBitRect(new Rect2(0, 35, texture.Width, texture.Height - 70), true);
+ this.TextureClickMask = clickMask;
+ }
+
+ public override void _Ready() {
+ Render();
+ }
+}