Make multi-select background & caret colour customizable

Fix #14302, close #14350

PowerEditor/src/NppBigSwitch.cpp

@@ -3081,7 +3081,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 			_subEditView.setCRLF();
 			return TRUE;
 		}
-		
+
 		case NPPM_INTERNAL_NPCFORMCHANGED:
 		{
 			_mainEditView.setNpcAndCcUniEOL();

PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp

@@ -2868,25 +2868,45 @@ void ScintillaEditView::performGlobalStyles()
 		selectColorBack = pStyle->_bgColor;
 		selectColorFore = pStyle->_fgColor;
 	}
-	execute(SCI_SETSELBACK, 1, selectColorBack);
-	execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_INACTIVE_BACK, selectColorBack);
+	//execute(SCI_SETSELBACK, 1, selectColorBack);
+	execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_BACK, selectColorBack | 0xFF000000); // SCI_SETSELBACK is deprecated
+	execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_INACTIVE_BACK, selectColorBack | 0xFF000000);
 
-	if (nppParams.isSelectFgColorEnabled())
+
+	COLORREF selectMultiSelectColorBack = liteGrey;
+	pStyle = stylers.findByName(TEXT("Multi-selected text color"));
+	if (pStyle)
 	{
-		execute(SCI_SETSELFORE, 1, selectColorFore);
+		selectMultiSelectColorBack = pStyle->_bgColor;
+	}
+	execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_ADDITIONAL_BACK, selectMultiSelectColorBack | 0xFF000000);
 
+	if (nppParams.isSelectFgColorEnabled())
+	{
 		long alphaSelectColorFore = selectColorFore;
 		alphaSelectColorFore |= 0xFF000000; // add alpha color to make DirectWrite mode work
+		//execute(SCI_SETSELFORE, 1, selectColorFore);
+		execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_TEXT, alphaSelectColorFore);  // SCI_SETSELFORE is deprecated
 		execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_INACTIVE_TEXT, alphaSelectColorFore);
+		execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_ADDITIONAL_TEXT, alphaSelectColorFore);
 	}
 
 	COLORREF caretColor = black;
-	pStyle = stylers.findByID(SCI_SETCARETFORE);
+	pStyle = stylers.findByName(L"Caret colour");
 	if (pStyle)
 	{
 		caretColor = pStyle->_fgColor;
 	}
-	execute(SCI_SETCARETFORE, caretColor);
+	//execute(SCI_SETCARETFORE, caretColor);
+	execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_CARET, caretColor | 0xFF000000); // SCI_SETCARETFORE is deprecated
+
+	COLORREF multiEditCaretColor = darkGrey;
+	pStyle = stylers.findByName(L"Multi-edit carets color");
+
+	if (pStyle)
+		multiEditCaretColor = pStyle->_fgColor;
+
+	execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_CARET_ADDITIONAL, multiEditCaretColor | 0xFF000000);
 
 	COLORREF edgeColor = liteGrey;
 	pStyle = stylers.findByName(TEXT("Edge colour"));

PowerEditor/src/ScintillaComponent/ScintillaEditView.h

@@ -422,11 +422,6 @@ public:
 
     static UserDefineDialog * getUserDefineDlg() {return &_userDefineDlg;};
 
-    void setCaretColorWidth(int color, int width = 1) const {
-        execute(SCI_SETCARETFORE, color);
-        execute(SCI_SETCARETWIDTH, width);
-    };
-
 	void beSwitched() {
 		_userDefineDlg.setScintilla(this);
 	};

PowerEditor/src/stylers.model.xml

@@ -1493,7 +1493,9 @@
         <WidgetStyle name="Current line background colour" styleID="0" bgColor="E8E8FF" />
         <!-- In below rule 'fgColor' attribute for 'Selected text colour' can be unlocked with a enableSelectFgColor.xml file -->
         <WidgetStyle name="Selected text colour" styleID="0" bgColor="C0C0C0" fgColor="000000" />
-        <WidgetStyle name="Caret colour" styleID="2069" fgColor="8000FF" />
+        <WidgetStyle name="Multi-selected text color" styleID="0" bgColor="C0C0C0" />
+        <WidgetStyle name="Caret colour" styleID="0" fgColor="8000FF" />
+        <WidgetStyle name="Multi-edit carets color" styleID="0" fgColor="404040" />
         <WidgetStyle name="Edge colour" styleID="0" fgColor="80FFFF" />
         <WidgetStyle name="Line number margin" styleID="33" fgColor="808080" bgColor="E4E4E4" fontName="" fontStyle="0" fontSize="" />
         <WidgetStyle name="Bookmark margin" styleID="0" bgColor="E0E0E0" />