From 75d485b5cd88de90e50059df0b115a3db7e51a7b Mon Sep 17 00:00:00 2001
From: cutealien <cutealien@dfc29bdd-3216-0410-991c-e03cc46cb475>
Date: Mon, 6 Mar 2023 13:42:05 +0000
Subject: [PATCH] Listbox items can now change individual background colors

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6453 dfc29bdd-3216-0410-991c-e03cc46cb475
---
 changes.txt                     |  1 +
 include/IGUIListBox.h           |  5 +++++
 source/Irrlicht/CGUIListBox.cpp | 20 +++++++++++++++++++-
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/changes.txt b/changes.txt
index 58b28780..75294839 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,6 +1,7 @@
 --------------------------
 Changes in 1.9 (not yet released)
 
+- Listbox items can now change individual background colors
 - Fix some bitfield sizes in SMaterial which were chosen too small for enums (PolygonOffsetDirection, ZWriteEnable, BlendOperation)
 - Add ISceneNode::UpdateAbsolutePosBehavior variable to allow nodes to ignore the scale/rotation parts of their parents transformation.
 - Add IGUISpinBox functions getValueFor and getOldValue
diff --git a/include/IGUIListBox.h b/include/IGUIListBox.h
index 466f2866..3a3134ea 100644
--- a/include/IGUIListBox.h
+++ b/include/IGUIListBox.h
@@ -26,6 +26,11 @@ namespace gui
 		EGUI_LBC_ICON,
 		//! Color of selected icon
 		EGUI_LBC_ICON_HIGHLIGHT,
+		//! Color of background. 
+		//! Note that this one is drawn over the listbox background and when not used there is no other default
+		EGUI_LBC_BACKGROUND,
+		//! Color of selected background
+		EGUI_LBC_BACKGROUND_HIGHLIGHT,
 		//! Not used, just counts the number of available colors
 		EGUI_LBC_COUNT
 	};
diff --git a/source/Irrlicht/CGUIListBox.cpp b/source/Irrlicht/CGUIListBox.cpp
index 7ec18698..ed94541e 100644
--- a/source/Irrlicht/CGUIListBox.cpp
+++ b/source/Irrlicht/CGUIListBox.cpp
@@ -528,7 +528,13 @@ void CGUIListBox::draw()
 			frameRect.UpperLeftCorner.Y <= AbsoluteRect.LowerRightCorner.Y)
 		{
 			if (i == Selected && hl)
-				skin->draw2DRectangle(this, skin->getColor(EGDC_HIGH_LIGHT), frameRect, &clientClip);
+			{
+				skin->draw2DRectangle(this, hasItemOverrideColor(i, EGUI_LBC_BACKGROUND_HIGHLIGHT) ? getItemOverrideColor(i, EGUI_LBC_BACKGROUND_HIGHLIGHT) : getItemDefaultColor(EGUI_LBC_BACKGROUND_HIGHLIGHT), frameRect, &clientClip);
+			}
+			else if ( hasItemOverrideColor(i, EGUI_LBC_BACKGROUND ) )
+			{
+				skin->draw2DRectangle(this, getItemOverrideColor(i, EGUI_LBC_BACKGROUND), frameRect, &clientClip);
+			}
 
 			core::rect<s32> textRect = frameRect;
 			textRect.UpperLeftCorner.X += 3;
@@ -671,6 +677,14 @@ bool CGUIListBox::getSerializationLabels(EGUI_LISTBOX_COLOR colorType, core::str
 		useColorLabel = "UseColIconHl";
 		colorLabel = "ColIconHl";
 		break;
+	case EGUI_LBC_BACKGROUND:
+		useColorLabel = "UseColBg";
+		colorLabel = "ColBg";
+		break;
+	case EGUI_LBC_BACKGROUND_HIGHLIGHT:
+		useColorLabel = "UseColBgHl";
+		colorLabel = "ColBgHl";
+		break;
 	default:
 		return false;
 	}
@@ -887,6 +901,10 @@ video::SColor CGUIListBox::getItemDefaultColor(EGUI_LISTBOX_COLOR colorType) con
 			return skin->getColor(EGDC_ICON);
 		case EGUI_LBC_ICON_HIGHLIGHT:
 			return skin->getColor(EGDC_ICON_HIGH_LIGHT);
+		case EGUI_LBC_BACKGROUND:
+			return skin->getColor(EGDC_3D_HIGH_LIGHT);
+		case EGUI_LBC_BACKGROUND_HIGHLIGHT:
+			return skin->getColor(EGDC_HIGH_LIGHT);
 		default:
 			return video::SColor();
 	}