From dc836248f00398d0984d633d067766bde9260365 Mon Sep 17 00:00:00 2001
From: plc-user <74435298+plc-user@users.noreply.github.com>
Date: Mon, 17 Feb 2025 19:39:53 +0100
Subject: [PATCH] =?UTF-8?q?element=20editor:=20add=20mirror=20and=20flip?=
 =?UTF-8?q?=20for=20=E2=80=9Ctext=E2=80=9D=20Maybe=20not=20(yet)=20perfect?=
 =?UTF-8?q?,=20but=20it=20looks=20pretty=20good=20to=20me!?=
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Why am I doing this to myself?
All this crap with fonts and stuff!
It's been crap for as long as I can remember.
---
 sources/editor/editorcommands.cpp        |  4 +--
 sources/editor/graphicspart/parttext.cpp | 33 ++++++++++++++++++++++++
 sources/editor/graphicspart/parttext.h   |  2 ++
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/sources/editor/editorcommands.cpp b/sources/editor/editorcommands.cpp
index 87d7cc706..1a013eefa 100644
--- a/sources/editor/editorcommands.cpp
+++ b/sources/editor/editorcommands.cpp
@@ -686,7 +686,7 @@ void MirrorElementsCommand::redo()
 	foreach (auto *item, m_items) {
 		if (item->type() == PartText::Type) {
 			PartText* staticText = qgraphicsitem_cast<PartText*>(item);
-			//staticText->mirror();
+			staticText->mirror();
 		} else if (item->type() == PartDynamicTextField::Type)  {
 			PartDynamicTextField* dyntext = qgraphicsitem_cast<PartDynamicTextField*>(item);
 			dyntext->mirror();
@@ -734,7 +734,7 @@ void FlipElementsCommand::redo()
 	foreach (auto *item, m_items) {
 		if (item->type() == PartText::Type) {
 			PartText* staticText = qgraphicsitem_cast<PartText*>(item);
-			//staticText->flip();
+			staticText->flip();
 		} else if (item->type() == PartDynamicTextField::Type) {
 			PartDynamicTextField* dyntext = qgraphicsitem_cast<PartDynamicTextField*>(item);
 			dyntext->flip();
diff --git a/sources/editor/graphicspart/parttext.cpp b/sources/editor/graphicspart/parttext.cpp
index caad2fa18..ec5a0eb5f 100644
--- a/sources/editor/graphicspart/parttext.cpp
+++ b/sources/editor/graphicspart/parttext.cpp
@@ -72,6 +72,39 @@ void PartText::setRotation(qreal angle) {
 	setPos(QTransform().rotate(angle).map(pos()));
 }
 
+void PartText::mirror() {
+	// at first: rotate the text:
+	QGraphicsObject::setRotation(QET::correctAngle((360-rotation()), true));
+	// then see, where we need to re-position depending on text, font ...
+	QFontMetrics qfm(font());
+	qreal textwidth  = qfm.horizontalAdvance(toPlainText());
+	// ... and angle!!!
+	qreal rot = qRound(QET::correctAngle(rotation(), true));
+	qreal c = qCos(qDegreesToRadians(rot));
+	qreal s = qSin(qDegreesToRadians(rot));
+	// Now: Move!
+	qreal x = (-1) * pos().x() - c * (textwidth);
+	qreal y = pos().y() - s * (textwidth);
+	setPos(x, y);
+}
+
+void PartText::flip() {
+	// at first: rotate the text:
+	QGraphicsObject::setRotation(QET::correctAngle((360-rotation()), true));
+	// then see, where we need to re-position depending on text, font ...
+	QFontMetrics qfm(font());
+	qreal textheight = realSize() - qfm.descent();
+	// ... and angle!!!
+	qreal rot = qRound(QET::correctAngle(rotation(), true));
+	qreal c = qCos(qDegreesToRadians(rot));
+	qreal s = qSin(qDegreesToRadians(rot));
+	// Now: Move!
+	qreal x = pos().x() - s * (textheight);
+	qreal y = (-1) * pos().y() + c * (textheight);
+	setPos(x, y);
+}
+
+
 /**
 	Importe les proprietes d'un texte statique depuis un element XML
 	@param xml_element Element XML a lire
diff --git a/sources/editor/graphicspart/parttext.h b/sources/editor/graphicspart/parttext.h
index d5650c406..ebfa276df 100644
--- a/sources/editor/graphicspart/parttext.h
+++ b/sources/editor/graphicspart/parttext.h
@@ -62,6 +62,8 @@ class PartText : public QGraphicsTextItem, public CustomElementPart {
 		void fromXml(const QDomElement &) override;
 		const QDomElement toXml(QDomDocument &) const override;
 		void setRotation(qreal angle);
+		void mirror();
+		void flip();
 		bool isUseless() const override;
 		QRectF sceneGeometricRect() const override;
 		void startUserTransformation(const QRectF &) override;