From 7c63905fe3f7aaea75742905df0773c27ee6dac5 Mon Sep 17 00:00:00 2001
From: Soumyadeep Basu <44787782+basusoumyadeep@users.noreply.github.com>
Date: Wed, 21 May 2025 19:38:46 +0200
Subject: [PATCH 1/2] add initial code for line selection

---
 src/ScatterplotWidget.cpp | 2 ++
 src/SelectionAction.cpp   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/ScatterplotWidget.cpp b/src/ScatterplotWidget.cpp
index 5ad29d3..1e6f881 100644
--- a/src/ScatterplotWidget.cpp
+++ b/src/ScatterplotWidget.cpp
@@ -60,6 +60,7 @@ ScatterplotWidget::ScatterplotWidget(mv::plugin::ViewPlugin* parentPlugin) :
     _pixelSelectionTool.setEnabled(true);
     _pixelSelectionTool.setMainColor(QColor(Qt::black));
     _pixelSelectionTool.setFixedBrushRadiusModifier(Qt::AltModifier);
+    _pixelSelectionTool.setFixedLineWidthModifier(Qt::AltModifier);
 
     connect(&_pixelSelectionTool, &PixelSelectionTool::shapeChanged, [this]() {
         if (isInitialized())
@@ -126,6 +127,7 @@ ScatterplotWidget::ScatterplotWidget(mv::plugin::ViewPlugin* parentPlugin) :
     _samplerPixelSelectionTool.setEnabled(true);
     _samplerPixelSelectionTool.setMainColor(QColor(Qt::black));
     _samplerPixelSelectionTool.setFixedBrushRadiusModifier(Qt::AltModifier);
+    _samplerPixelSelectionTool.setFixedLineWidthModifier(Qt::AltModifier);
 
     getPointRendererNavigator().setEnabled(true);
 
diff --git a/src/SelectionAction.cpp b/src/SelectionAction.cpp
index 1e71d63..6a47bc9 100644
--- a/src/SelectionAction.cpp
+++ b/src/SelectionAction.cpp
@@ -24,6 +24,7 @@ SelectionAction::SelectionAction(QObject* parent, const QString& title) :
 
     addAction(&_pixelSelectionAction.getTypeAction());
     addAction(&_pixelSelectionAction.getBrushRadiusAction());
+    addAction(&_pixelSelectionAction.getLineWidthAction());
     addAction(&_pixelSelectionAction.getModifierAction(), OptionAction::HorizontalButtons);
     addAction(&_pixelSelectionAction.getSelectAction());
     addAction(&_pixelSelectionAction.getNotifyDuringSelectionAction());
@@ -67,6 +68,7 @@ void SelectionAction::initialize(ScatterplotPlugin* scatterplotPlugin)
 
     getPixelSelectionAction().initialize(&scatterplotWidget, &scatterplotWidget.getPixelSelectionTool(), {
         PixelSelectionType::Rectangle,
+        PixelSelectionType::Line,
         PixelSelectionType::Brush,
         PixelSelectionType::Lasso,
         PixelSelectionType::Polygon

From 9c1b69240a0920d0012c04cd2592cf6c1943f225 Mon Sep 17 00:00:00 2001
From: Soumyadeep Basu <44787782+basusoumyadeep@users.noreply.github.com>
Date: Wed, 21 May 2025 20:40:48 +0200
Subject: [PATCH 2/2] add line angle option

---
 src/ScatterplotWidget.cpp | 2 ++
 src/SelectionAction.cpp   | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/ScatterplotWidget.cpp b/src/ScatterplotWidget.cpp
index 1e6f881..8fc0413 100644
--- a/src/ScatterplotWidget.cpp
+++ b/src/ScatterplotWidget.cpp
@@ -61,6 +61,7 @@ ScatterplotWidget::ScatterplotWidget(mv::plugin::ViewPlugin* parentPlugin) :
     _pixelSelectionTool.setMainColor(QColor(Qt::black));
     _pixelSelectionTool.setFixedBrushRadiusModifier(Qt::AltModifier);
     _pixelSelectionTool.setFixedLineWidthModifier(Qt::AltModifier);
+    _pixelSelectionTool.setFixedLineAngleModifier(Qt::AltModifier);
 
     connect(&_pixelSelectionTool, &PixelSelectionTool::shapeChanged, [this]() {
         if (isInitialized())
@@ -128,6 +129,7 @@ ScatterplotWidget::ScatterplotWidget(mv::plugin::ViewPlugin* parentPlugin) :
     _samplerPixelSelectionTool.setMainColor(QColor(Qt::black));
     _samplerPixelSelectionTool.setFixedBrushRadiusModifier(Qt::AltModifier);
     _samplerPixelSelectionTool.setFixedLineWidthModifier(Qt::AltModifier);
+    _samplerPixelSelectionTool.setFixedLineAngleModifier(Qt::AltModifier);
 
     getPointRendererNavigator().setEnabled(true);
 
diff --git a/src/SelectionAction.cpp b/src/SelectionAction.cpp
index 6a47bc9..0135b40 100644
--- a/src/SelectionAction.cpp
+++ b/src/SelectionAction.cpp
@@ -25,6 +25,7 @@ SelectionAction::SelectionAction(QObject* parent, const QString& title) :
     addAction(&_pixelSelectionAction.getTypeAction());
     addAction(&_pixelSelectionAction.getBrushRadiusAction());
     addAction(&_pixelSelectionAction.getLineWidthAction());
+    addAction(&_pixelSelectionAction.getLineAngleAction());
     addAction(&_pixelSelectionAction.getModifierAction(), OptionAction::HorizontalButtons);
     addAction(&_pixelSelectionAction.getSelectAction());
     addAction(&_pixelSelectionAction.getNotifyDuringSelectionAction());