Ctrl: FileSel::NoExeIcons

uppsrc/CtrlLib/FileSel.cpp

@@ -922,7 +922,8 @@ void FileSel::SearchLoad()
 		SortBy(list, ~sortby);
 	Update();
 #ifdef GUI_WIN
-	lazyicons.Start(list, d, WhenIcon);
+	if(!noexeicons)
+		lazyicons.Start(list, d, WhenIcon);
 #endif
 	StartLI();
 }
@@ -2374,6 +2375,7 @@ FileSel::FileSel()
 	multi = false;
 	bidname = false;
 	appmodal = true;
+	noexeicons = false;
 
 	AddChildBefore(GetFirstChild(), &sizegrip);
 

uppsrc/CtrlLib/FileSel.h

@@ -224,6 +224,7 @@ protected:
 	bool        bidname;
 	bool        appmodal;
 	bool        loaded;
+	bool        noexeicons;
 
 	Ctrl       *file_ctrl = NULL;
 	int         file_ctrl_cx;
@@ -355,6 +356,7 @@ public:
 	FileSel& FileCtrl(Ctrl& ext, int cx)         { file_ctrl = &ext; file_ctrl_cx = cx; return *this; }
 	FileSel& FileCtrl(Ctrl& ext)                 { return FileCtrl(ext, ext.GetMinSize().cx); }
 	FileSel& DefaultName(const String& s)        { default_name = s; return *this; }
+	FileSel& NoExeIcons(bool b = true)           { noexeicons = b; return *this; }
 
 	FileSel();
 	virtual ~FileSel();

uppsrc/CtrlLib/src.tpp/FileSel_en-us.tpp

@@ -332,4 +332,11 @@ the width from GetMinSize().&]
 ]_[*@3 s])&]
 [s2;%% Specifies the default name for Save As operation.&]
 [s3;%% &]
+[s4; &]
+[s5;:Upp`:`:FileSel`:`:NoExeIcons`(bool`): [_^Upp`:`:FileSel^ FileSel][@(0.0.255) `&]_[* No
+ExeIcons]([@(0.0.255) bool]_[*@3 b]_`=_[@(0.0.255) true])&]
+[s2;%% In Win32 environment, FileSel is using background thread to 
+load icons from .exe files. In some contexts, this can be causing 
+problems. NoExeIcons suppresses loading of this information.&]
+[s3;%% &]
 [s3;%% ]]

upptst/FileSelNoExe/FileSelNoExe.upp

@@ -0,0 +1,9 @@
+uses
+	CtrlLib;
+
+file
+	main.cpp;
+
+mainconfig
+	"" = "GUI";
+

upptst/FileSelNoExe/main.cpp

@@ -0,0 +1,13 @@
+#include <CtrlLib/CtrlLib.h>
+
+using namespace Upp;
+
+GUI_APP_MAIN
+{
+	FileSel sel;
+	sel.Type("all", "*.*");
+	sel.NoExeIcons();
+	sel.ExecuteSaveAs();
+	sel.NoExeIcons(false);
+	sel.ExecuteSaveAs();
+}