From 3fc5469aee22baebb5e2f4257d513c1bf272d8c6 Mon Sep 17 00:00:00 2001
From: plc-user <74435298+plc-user@users.noreply.github.com>
Date: Sun, 16 Feb 2025 16:15:46 +0100
Subject: [PATCH] element-editor: add mirror and flip for "dynamic_text"

---
 sources/editor/editorcommands.cpp             | 18 ++++++++++-----
 .../graphicspart/partdynamictextfield.cpp     | 23 +++++++++++++++++++
 .../graphicspart/partdynamictextfield.h       |  2 ++
 3 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/sources/editor/editorcommands.cpp b/sources/editor/editorcommands.cpp
index 46109d56a..26eaf2f81 100644
--- a/sources/editor/editorcommands.cpp
+++ b/sources/editor/editorcommands.cpp
@@ -619,9 +619,12 @@ ElementEditionCommand(QObject::tr("Miroir de sélection", "undo caption"), scene
 void MirrorElementsCommand::redo()
 {
 	foreach (auto *item, m_items) {
-		if ((item->type() == PartText::Type)  ||
-			(item->type() == PartDynamicTextField::Type))  {
-				continue;
+		if (item->type() == PartText::Type) {
+			PartText* staticText = qgraphicsitem_cast<PartText*>(item);
+			//staticText->mirror();
+		} else if (item->type() == PartDynamicTextField::Type)  {
+			PartDynamicTextField* dyntext = qgraphicsitem_cast<PartDynamicTextField*>(item);
+			dyntext->mirror();
 		} else if (item->type() == PartArc::Type) {
 			PartArc* arc = qgraphicsitem_cast<PartArc*>(item);
 			arc->mirror();
@@ -664,9 +667,12 @@ ElementEditionCommand(QObject::tr("Retourner la sélection", "undo caption"), sc
 void FlipElementsCommand::redo()
 {
 	foreach (auto *item, m_items) {
-		if ((item->type() == PartText::Type)  ||
-			(item->type() == PartDynamicTextField::Type))  {
-				continue;
+		if (item->type() == PartText::Type) {
+			PartText* staticText = qgraphicsitem_cast<PartText*>(item);
+			//staticText->flip();
+		} else if (item->type() == PartDynamicTextField::Type) {
+			PartDynamicTextField* dyntext = qgraphicsitem_cast<PartDynamicTextField*>(item);
+			dyntext->flip();
 		} else if (item->type() == PartArc::Type) {
 			PartArc* arc = qgraphicsitem_cast<PartArc*>(item);
 			arc->flip();
diff --git a/sources/editor/graphicspart/partdynamictextfield.cpp b/sources/editor/graphicspart/partdynamictextfield.cpp
index 2f3bd2ff0..bcc25435b 100644
--- a/sources/editor/graphicspart/partdynamictextfield.cpp
+++ b/sources/editor/graphicspart/partdynamictextfield.cpp
@@ -69,7 +69,30 @@ QString PartDynamicTextField::xmlName() const
 void PartDynamicTextField::setRotation(qreal angle) {
 	QGraphicsObject::setRotation(QET::correctAngle(rotation()+angle, true));
 	setPos(QTransform().rotate(angle).map(pos()));
+}
 
+void PartDynamicTextField::mirror() {
+	// at first: rotate the text:
+	QGraphicsObject::setRotation(QET::correctAngle(360-rotation(), true));
+	// then see, where we need to re-position depending on the angle!
+	qreal rot = qRound(QET::correctAngle(rotation(), true));
+	qreal c = qCos(qDegreesToRadians(rot));
+	qreal s = qSin(qDegreesToRadians(rot));
+	qreal x = (-1) * pos().x() - c * boundingRect().width();
+	qreal y = pos().y() - s * boundingRect().width();
+	setPos(x, y);
+}
+
+void PartDynamicTextField::flip() {
+	// at first: rotate the text:
+	QGraphicsObject::setRotation(QET::correctAngle(360-rotation(), true));
+	// then see, where we need to re-position depending on the angle!
+	qreal rot = qRound(QET::correctAngle(rotation(), true));
+	qreal c = qCos(qDegreesToRadians(rot));
+	qreal s = qSin(qDegreesToRadians(rot));
+	qreal x = pos().x() + s * boundingRect().height();
+	qreal y = (-1) * pos().y() - c * boundingRect().height();
+	setPos(x, y);
 }
 
 /**
diff --git a/sources/editor/graphicspart/partdynamictextfield.h b/sources/editor/graphicspart/partdynamictextfield.h
index 642d11e00..07a1996e9 100644
--- a/sources/editor/graphicspart/partdynamictextfield.h
+++ b/sources/editor/graphicspart/partdynamictextfield.h
@@ -102,6 +102,8 @@ class PartDynamicTextField : public QGraphicsTextItem, public CustomElementPart
 		bool keepVisualRotation() const;
 
 		void setRotation(qreal angle);
+		void mirror();
+		void flip();
 
 
 	protected: