From 1babfcf1ace8b1db5f09a983967c37fb5e5eaf27 Mon Sep 17 00:00:00 2001
From: John Johns <johnsjrii+github@gmail.com>
Date: Sat, 13 Mar 2021 19:50:50 -0800
Subject: [PATCH] chat history browsing by Filtik
 https://github.com/H-uru/Plasma/commit/5e9378ad5e084bfad2e8c627ab537a210cb87bd7

---
 .../pfGameGUIMgr/pfGUIDialogNotifyProc.cpp         | 14 ++++++++++++++
 .../pfGameGUIMgr/pfGUIDialogNotifyProc.h           |  1 +
 .../FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.cpp    | 14 ++++++++++++--
 .../FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.h      |  4 +++-
 .../Plasma/FeatureLib/pfMessage/pfGUINotifyMsg.h   |  4 ++++
 5 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.cpp b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.cpp
index 544ad293..29db5ba2 100644
--- a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.cpp
+++ b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.cpp
@@ -97,6 +97,20 @@ void pfGUIDialogNotifyProc::DoSomething( pfGUIControlMod *ctrl )
 		ISendNotify( ctrl->GetKey(), pfGUINotifyMsg::kValueChanged );
 }
 
+void pfGUIDialogNotifyProc::HandleExtendedEvent( pfGUIControlMod *ctrl, UInt32 event )
+{
+    pfGUIEditBoxMod *edit = pfGUIEditBoxMod::ConvertNoRef( ctrl );
+
+	if(edit && event == pfGUIEditBoxMod::kWantMessageHistoryUp)
+    {
+        ISendNotify( ctrl->GetKey(), pfGUINotifyMsg::kMessageHistoryUp );
+    }
+    else if(edit && event == pfGUIEditBoxMod::kWantMessageHistoryDown)
+    {
+        ISendNotify( ctrl->GetKey(), pfGUINotifyMsg::kMessageHistoryDown );
+    }
+}
+
 void pfGUIDialogNotifyProc::OnInit( void )
 {
 	if ( fDialog )
diff --git a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.h b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.h
index f04e2fcd..8f5fa64f 100644
--- a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.h
+++ b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDialogNotifyProc.h
@@ -70,6 +70,7 @@ class pfGUIDialogNotifyProc : public pfGUIDialogProc
 		pfGUIDialogNotifyProc( plKey &r );
 
 		virtual void	DoSomething( pfGUIControlMod *ctrl );
+		virtual void    HandleExtendedEvent( pfGUIControlMod *ctrl, UInt32 event );
 		virtual void	OnInit( void );
 		virtual void	OnShow( void );
 		virtual void	OnHide( void );
diff --git a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.cpp b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.cpp
index ba5412fa..10414f9a 100644
--- a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.cpp
+++ b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.cpp
@@ -458,11 +458,11 @@ hsBool	pfGUIEditBoxMod::HandleKeyEvent( pfGameGUIMgr::EventType event, plKeyDef
 		{
 			fFirstHalfExitKeyPushed = false;
 			// Use arrow keys to do our dirty work
-			if( key == KEY_UP || key == KEY_HOME )
+			if( key == KEY_HOME )
 			{
 				SetCursorToHome();
 			}
-			else if( key == KEY_DOWN || key == KEY_END )
+			else if( key == KEY_END )
 			{
 				SetCursorToEnd();
 			}
@@ -502,6 +502,16 @@ hsBool	pfGUIEditBoxMod::HandleKeyEvent( pfGameGUIMgr::EventType event, plKeyDef
 				DoSomething();		// Query WasEscaped() to see if it was escape vs enter
 				return true;
 			}
+            else if (key == KEY_UP)
+            {
+                // Send notify for python scripts
+                HandleExtendedEvent(kWantMessageHistoryUp);
+            }
+            else if (key == KEY_DOWN)
+            {
+                // Send notify for python scripts
+                HandleExtendedEvent(kWantMessageHistoryDown);
+            }
 			else if (modifiers & pfGameGUIMgr::kCtrlDown) 
 			{
 				if (key == KEY_C) 
diff --git a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.h b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.h
index 7216968e..3dec28f9 100644
--- a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.h
+++ b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.h
@@ -134,7 +134,9 @@ class pfGUIEditBoxMod : public pfGUIControlMod
 		// Extended event types
 		enum ExtendedEvents
 		{
-			kValueChanging
+			kValueChanging,
+			kWantMessageHistoryUp,
+			kWantMessageHistoryDown
 		};
 };
 
diff --git a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfMessage/pfGUINotifyMsg.h b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfMessage/pfGUINotifyMsg.h
index 901207e2..640209bf 100644
--- a/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfMessage/pfGUINotifyMsg.h
+++ b/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfMessage/pfGUINotifyMsg.h
@@ -83,6 +83,8 @@ public:
 		kFocusChange,		// when one of its controls loses focus to another
 		kExitMode,			// GUI Exit Mode key was pressed
 		kInterestingEvent,	// GUI interesting-ness has changed
+        kMessageHistoryUp = 9,  // up key to scroll back in history
+        kMessageHistoryDown,// down key to scroll forward in history
 		kEndEventList
 	};
 
@@ -97,6 +99,8 @@ public:
 //    kAction			- single click on item(s)
 // kEditBox
 //    kAction			- enter key hit
+//    kMessageHistoryUp - up key hit
+//    kMessageHistoryDown - down key hit
 // kUpDownPair
 //    kValueChanged		- the value of the pair has been changed
 // kKnob