From dccc6712c017f02c717b1cd2e92ddcdd5e242f13 Mon Sep 17 00:00:00 2001
From: Stian Skjelstad <stian.skjelstad@gmail.com>
Date: Fri, 16 Aug 2024 22:28:30 +0200
Subject: [PATCH] Add fsForceNextRescan(), so that .dev files can enforce the
 fileselector to refresh next time it is displayed.

---
 filesel/filesystem-file-dev.h |  1 +
 filesel/pfilesel.c            | 17 ++++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/filesel/filesystem-file-dev.h b/filesel/filesystem-file-dev.h
index dc370e35..36678d58 100644
--- a/filesel/filesystem-file-dev.h
+++ b/filesel/filesystem-file-dev.h
@@ -32,6 +32,7 @@ struct DevInterfaceAPI_t
 	int  (*KeyHelpDisplay) (void); /* Draws the keyboard shortcut list and polls keyboard. Call for each draw-iteration until it returns zero */
 
 	void (*fsDraw) (void); /* Draws the filesystem browser, great for virtual devices that has a dialog */
+	void (*fsForceNextRescan) (void); /* Next time fsFileSelect() is oalled, enforce a rescan */
 };
 
 struct IOCTL_DevInterface
diff --git a/filesel/pfilesel.c b/filesel/pfilesel.c
index 11fd457f..42959f6b 100644
--- a/filesel/pfilesel.c
+++ b/filesel/pfilesel.c
@@ -121,6 +121,8 @@ static struct interfacestruct *plInterfaces;
 
 static struct DevInterfaceAPI_t DevInterfaceAPI;
 
+static void fsForceNextRescan(void); /* Next time fsFileSelect() is called, force a rescan */
+
 struct fsReadDir_token_t
 {
 #if 0
@@ -732,11 +734,20 @@ int fsFilesLeft(void)
 /* op = 0, move cursor to the top
  * op = 1, maintain current cursor position
  */
+
+static int fsFileSelect_ForceRescan = 0;
+static void fsForceNextRescan(void) /* Next time fsFileSelect() is called, force a rescan */
+{
+	fsFileSelect_ForceRescan = 1;
+}
+
 static char fsScanDir (int op)
 {
 	uint32_t dirdb_ref = DIRDB_CLEAR;
 	int pos;
 
+	fsFileSelect_ForceRescan = 0;
+
 	 /* if we are to maintain the old position, store both the dirdb reference and the position as fall-back */
 	if (op == 1)
 	{
@@ -1117,7 +1128,8 @@ static struct DevInterfaceAPI_t DevInterfaceAPI =
 	cpiKeyHelp,
 	cpiKeyHelpClear,
 	cpiKeyHelpDisplay,
-	fsDraw
+	fsDraw,
+	fsForceNextRescan
 };
 
 static int VirtualInterfaceInit (struct moduleinfostruct *info, struct ocpfilehandle_t *fi, const struct cpifaceplayerstruct *cp)
@@ -3200,6 +3212,9 @@ signed int fsFileSelect(void)
 	if (!currentdir->num)
 	{ /* this is true the very first time we execute */
 		fsScanDir(0);
+	} else if (fsFileSelect_ForceRescan)
+	{
+		fsScanDir(1);
 	}
 
 	plSetTextMode(fsScrType);