From bf75f4b91ab378e436cfa8cc9eab1f0e9720a4b6 Mon Sep 17 00:00:00 2001
From: Kylogias <45217130+Kylogias@users.noreply.github.com>
Date: Tue, 7 May 2024 21:58:17 -0400
Subject: [PATCH] Window Focus Support

---
 CNFG.h          |  1 +
 CNFGWinDriver.c |  5 +++++
 CNFGXDriver.c   |  7 ++++++-
 rawdraw_sf.h    | 15 +++++++++++++--
 4 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/CNFG.h b/CNFG.h
index 920087b..36d7ead 100644
--- a/CNFG.h
+++ b/CNFG.h
@@ -204,6 +204,7 @@ extern float CNFGVertDataV[CNFG_BATCH*3];
 extern uint32_t CNFGVertDataC[CNFG_BATCH];
 #endif
 
+#define CNFG_KEY_FOCUS 0xf000
 
 #if defined(WINDOWS) || defined(WIN32) || defined(WIN64) || defined(_WIN32) || defined(_WIN64)
 
diff --git a/CNFGWinDriver.c b/CNFGWinDriver.c
index a8ce10a..c01ddea 100644
--- a/CNFGWinDriver.c
+++ b/CNFGWinDriver.c
@@ -179,6 +179,11 @@ LRESULT CALLBACK MyWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 		}
 		break;
 #endif
+	case WM_KILLFOCUS:
+	case WM_SETFOCUS:
+		CNFGLastScancode = 0;
+		HandleKey( CNFG_KEY_FOCUS, msg == WM_SETFOCUS );
+		return 0;
 	case WM_CLOSE:
 		if( HandleDestroy() )
 			return 0;
diff --git a/CNFGXDriver.c b/CNFGXDriver.c
index adfb4db..8e42f4c 100644
--- a/CNFGXDriver.c
+++ b/CNFGXDriver.c
@@ -223,7 +223,7 @@ static void InternalLinkScreenAndGo( const char * WindowName )
 		fprintf( stderr, "Pre-existing XClassHint\n" );
 	}
 
-	XSelectInput (CNFGDisplay, CNFGWindow, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | ExposureMask | PointerMotionMask );
+	XSelectInput (CNFGDisplay, CNFGWindow, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | ExposureMask | PointerMotionMask | FocusChangeMask );
 
 
 	CNFGWindowGC = XCreateGC(CNFGDisplay, CNFGWindow, 0, 0);
@@ -500,6 +500,11 @@ int CNFGHandleInput()
 		case MotionNotify:
 			HandleMotion( report.xmotion.x, report.xmotion.y, ButtonsDown>>1 );
 			break;
+		case FocusIn:
+		case FocusOut:
+			CNFGLastScancode = 0;
+			HandleKey( CNFG_KEY_FOCUS, report.type == FocusIn );
+			break;
 		case ClientMessage:
 			if ( report.xclient.data.l[0] == CFNGWMDeleteWindow )
 				return 0;
diff --git a/rawdraw_sf.h b/rawdraw_sf.h
index d690508..42c1eed 100644
--- a/rawdraw_sf.h
+++ b/rawdraw_sf.h
@@ -1,5 +1,5 @@
 //This file was automatically generated by Makefile at https://github.com/cntools/rawdraw
-//Generated from files git hash a4e1d56080c42e7d5a7d72317776c7c268764bd7 on Tue May  7 08:10:18 PM EDT 2024 (This is not the git hash of this file)
+//Generated from files git hash c55fd6fe2c807fbe9103c7fb72dc277ebd641397 on Tue May  7 09:58:03 PM EDT 2024 (This is not the git hash of this file)
 // Copyright 2010-2021 <>< CNLohr, et. al. (Several other authors, many but not all mentioned)
 //	Licensed under the MIT/x11 or NewBSD License you choose.
 //
@@ -206,6 +206,7 @@ extern float CNFGVertDataV[CNFG_BATCH*3];
 extern uint32_t CNFGVertDataC[CNFG_BATCH];
 #endif
 
+#define CNFG_KEY_FOCUS 0xf000
 
 #if defined(WINDOWS) || defined(WIN32) || defined(WIN64) || defined(_WIN32) || defined(_WIN64)
 
@@ -3892,6 +3893,11 @@ LRESULT CALLBACK MyWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 		}
 		break;
 #endif
+	case WM_KILLFOCUS:
+	case WM_SETFOCUS:
+		CNFGLastScancode = 0;
+		HandleKey( CNFG_KEY_FOCUS, msg == WM_SETFOCUS );
+		break;
 	case WM_CLOSE:
 		if( HandleDestroy() )
 			return 0;
@@ -5811,7 +5817,7 @@ static void InternalLinkScreenAndGo( const char * WindowName )
 		fprintf( stderr, "Pre-existing XClassHint\n" );
 	}
 
-	XSelectInput (CNFGDisplay, CNFGWindow, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | ExposureMask | PointerMotionMask );
+	XSelectInput (CNFGDisplay, CNFGWindow, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | ExposureMask | PointerMotionMask | FocusChangeMask );
 
 
 	CNFGWindowGC = XCreateGC(CNFGDisplay, CNFGWindow, 0, 0);
@@ -6088,6 +6094,11 @@ int CNFGHandleInput()
 		case MotionNotify:
 			HandleMotion( report.xmotion.x, report.xmotion.y, ButtonsDown>>1 );
 			break;
+		case FocusIn:
+		case FocusOut:
+			CNFGLastScancode = 0;
+			HandleKey( CNFG_KEY_FOCUS, report.type == FocusIn );
+			break;
 		case ClientMessage:
 			if ( report.xclient.data.l[0] == CFNGWMDeleteWindow )
 				return 0;