Add fsForceNextRescan(), so that .dev files can enforce the fileselec…

…tor to refresh next time it is displayed.

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

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);