From 5a4be44ac6b9fdc10a5464623a02891bc2cc4444 Mon Sep 17 00:00:00 2001
From: Bob Zeleznik <zzzman@gmail.com>
Date: Sat, 20 Apr 2019 19:23:27 -0400
Subject: fixed input text scaling

---
 src/client/views/MainOverlayTextBox.tsx            | 27 +++++++++-------------
 .../collectionFreeForm/CollectionFreeFormView.tsx  |  1 -
 src/client/views/nodes/FormattedTextBox.tsx        |  6 +++--
 3 files changed, 15 insertions(+), 19 deletions(-)

(limited to 'src')

diff --git a/src/client/views/MainOverlayTextBox.tsx b/src/client/views/MainOverlayTextBox.tsx
index a6c7eabf7..af74efc9d 100644
--- a/src/client/views/MainOverlayTextBox.tsx
+++ b/src/client/views/MainOverlayTextBox.tsx
@@ -21,8 +21,8 @@ export class MainOverlayTextBox extends React.Component<MainOverlayTextBoxProps>
     public static Instance: MainOverlayTextBox;
     @observable public TextDoc?: Document = undefined;
     public TextScroll: number = 0;
-    private _textRect: any;
-    private _textXf: Transform = Transform.Identity();
+    @observable _textRect: any;
+    @observable _textXf: () => Transform = () => Transform.Identity();
     private _textFieldKey: Key = KeyStore.Data;
     private _textColor: string | null = null;
     private _textTargetDiv: HTMLDivElement | undefined;
@@ -35,14 +35,14 @@ export class MainOverlayTextBox extends React.Component<MainOverlayTextBoxProps>
     }
 
     @action
-    SetTextDoc(textDoc?: Document, textFieldKey?: Key, div?: HTMLDivElement, tx?: Transform) {
+    SetTextDoc(textDoc?: Document, textFieldKey?: Key, div?: HTMLDivElement, tx?: () => Transform) {
         if (this._textTargetDiv) {
             this._textTargetDiv.style.color = this._textColor;
         }
 
         this.TextDoc = textDoc;
         this._textFieldKey = textFieldKey!;
-        this._textXf = tx ? tx : Transform.Identity();
+        this._textXf = tx ? tx : () => Transform.Identity();
         this._textTargetDiv = div;
         if (div) {
             this._textColor = div.style.color;
@@ -89,22 +89,17 @@ export class MainOverlayTextBox extends React.Component<MainOverlayTextBoxProps>
         document.removeEventListener('pointerup', this.textBoxUp);
     }
 
-    textXf = () => this._textXf;
-
     render() {
         if (this.TextDoc) {
-            let x: number = this._textRect.x;
-            let y: number = this._textRect.y;
-            let w: number = this._textRect.width;
-            let h: number = this._textRect.height;
-            let t = this._textXf.transformPoint(0, 0);
-            let s = this._textXf.transformPoint(1, 0);
-            s[0] = Math.sqrt((s[0] - t[0]) * (s[0] - t[0]) + (s[1] - t[1]) * (s[1] - t[1]));
-            return <div className="mainOverlayTextBox-textInput" style={{ transform: `translate(${x}px, ${y}px) scale(${1 / s[0]},${1 / s[0]})`, width: "auto", height: "auto" }} >
-                <div className="mainOverlayTextBox-textInput" onPointerDown={this.textBoxDown} ref={this._textProxyDiv} onScroll={this.textScroll} style={{ transform: `scale(${1}, ${1})`, width: `${w * s[0]}px`, height: `${h * s[0]}px` }}>
+            let toScreenXf = this._textXf().inverse();
+            let pt = toScreenXf.transformPoint(0, 0);
+            let s = 1 / this._textXf().Scale;
+            return <div className="mainOverlayTextBox-textInput" style={{ transform: `translate(${pt[0]}px, ${pt[1]}px) scale(${s},${s})`, width: "auto", height: "auto" }} >
+                <div className="mainOverlayTextBox-textInput" onPointerDown={this.textBoxDown} ref={this._textProxyDiv} onScroll={this.textScroll}
+                    style={{ width: `${this.TextDoc.Width()}px`, height: `${this.TextDoc.Height()}px` }}>
                     <FormattedTextBox fieldKey={this._textFieldKey} isOverlay={true} Document={this.TextDoc} isSelected={returnTrue} select={emptyFunction} isTopMost={true}
                         selectOnLoad={true} ContainingCollectionView={undefined} whenActiveChanged={emptyFunction} active={returnTrue}
-                        ScreenToLocalTransform={this.textXf} focus={emptyDocFunction} />
+                        ScreenToLocalTransform={this._textXf} focus={emptyDocFunction} />
                 </div>
             </ div>;
         }
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 945c01059..9730fc27b 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -204,7 +204,6 @@ export class CollectionFreeFormView extends CollectionSubView {
 
     @action
     setPan(panX: number, panY: number) {
-        MainOverlayTextBox.Instance.SetTextDoc();
         var scale = this.getLocalTransform().inverse().Scale;
         const newPanX = Math.min((1 - 1 / scale) * this.nativeWidth, Math.max(0, panX));
         const newPanY = Math.min((1 - 1 / scale) * this.nativeHeight, Math.max(0, panY));
diff --git a/src/client/views/nodes/FormattedTextBox.tsx b/src/client/views/nodes/FormattedTextBox.tsx
index ae05c2dad..29ed2da13 100644
--- a/src/client/views/nodes/FormattedTextBox.tsx
+++ b/src/client/views/nodes/FormattedTextBox.tsx
@@ -115,7 +115,7 @@ export class FormattedTextBox extends React.Component<(FieldViewProps & Formatte
             );
         } else {
             this._proxyReactionDisposer = reaction(() => this.props.isSelected(),
-                () => this.props.isSelected() && MainOverlayTextBox.Instance.SetTextDoc(this.props.Document, this.props.fieldKey, this._ref.current!, this.props.ScreenToLocalTransform()));
+                () => this.props.isSelected() && MainOverlayTextBox.Instance.SetTextDoc(this.props.Document, this.props.fieldKey, this._ref.current!, this.props.ScreenToLocalTransform));
         }
 
 
@@ -186,7 +186,9 @@ export class FormattedTextBox extends React.Component<(FieldViewProps & Formatte
 
     onFocused = (e: React.FocusEvent): void => {
         if (!this.props.isOverlay) {
-            MainOverlayTextBox.Instance.SetTextDoc(this.props.Document, this.props.fieldKey, this._ref.current!, this.props.ScreenToLocalTransform());
+            if (MainOverlayTextBox.Instance.TextDoc != this.props.Document) {
+                MainOverlayTextBox.Instance.SetTextDoc(this.props.Document, this.props.fieldKey, this._ref.current!, this.props.ScreenToLocalTransform);
+            }
         } else {
             if (this._ref.current) {
                 this._ref.current.scrollTop = MainOverlayTextBox.Instance.TextScroll;
-- 
cgit v1.2.3-70-g09d2