CtrlLib: FileSelNative::ExecuteSelectDir

uppsrc/CtrlLib/CtrlUtil.h

@@ -290,6 +290,7 @@ public:
 	bool Execute(bool open, const char *title = NULL);
 	bool ExecuteOpen(const char *title = NULL)   { return Execute(true, title); }
 	bool ExecuteSaveAs(const char *title = NULL) { return Execute(false, title); }
+	bool ExecuteSelectDir(const char *title = NULL);
 
 	String Get() const;
 	void  Set(const String& s)                   { filename.At(0) = s; }

uppsrc/CtrlLib/Win32.cpp

@@ -6,6 +6,10 @@
 #include <commdlg.h>
 #include <cderr.h>
 
+#define CY win32_CY_
+#include <ShlObj.h>
+#undef CY
+
 #endif
 #endif
 
@@ -97,6 +101,53 @@ static UINT_PTR CALLBACK sCenterHook(HWND hdlg, UINT msg, WPARAM wParam, LPARAM
 #define OFN_ENABLESIZING             0x00800000
 #endif
 
+INT CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
+{
+	if (uMsg==BFFM_INITIALIZED) {
+		SendMessage(hwnd, BFFM_SETSELECTION, TRUE, pData);
+		SendMessage(hwnd, BFFM_SETEXPANDED, TRUE, pData);
+	}
+	return 0;
+}
+
+bool FileSelNative::ExecuteSelectDir(const char *title)
+{
+	Vector<Vector<char16>> s16;
+	auto W32 = [&](const String& s) -> char16* {
+		auto& h = s16.Add();
+		h = ToSystemCharsetW(s);
+		return h;
+	};
+
+	String ret;
+
+	BROWSEINFOW br;
+	memset(&br, 0, sizeof(BROWSEINFO));
+	Ctrl *q = Ctrl::GetActiveWindow();
+	if(q) br.hwndOwner = q->GetHWND();
+	br.lpfn = BrowseCallbackProc;
+	br.ulFlags = BIF_RETURNONLYFSDIRS | BIF_NEWDIALOGSTYLE;
+	br.lpszTitle = W32(title);
+	br.lParam = (LPARAM)W32(activedir);
+
+	LPITEMIDLIST pidl = NULL;
+	if((pidl = SHBrowseForFolderW(&br)) != NULL) {
+		char16 buffer[MAX_PATH];
+		if(SHGetPathFromIDListW(pidl, buffer))
+			filename << FromSystemCharsetW(buffer);
+		else
+			filename << Null;
+        IMalloc *pMalloc;
+        if(SHGetMalloc(&pMalloc) == NOERROR) {
+            pMalloc->Free(pidl);
+            pMalloc->Release();
+        }
+		return true;
+	}
+
+	return false;
+}
+
 bool FileSelNative::Execute(bool open, const char *dlgtitle) {
 	Vector<Vector<char16>> s16;
 	auto W32 = [&](const String& s) -> char16* {

upptst/FileSelNative/main.cpp

@@ -1,23 +1,28 @@
-#include <CtrlLib/CtrlLib.h>
-
-using namespace Upp;
-
-GUI_APP_MAIN
-{
-	FileSelNative sel;
-	sel.AllFilesType();
-	sel.Type("Test2", "*.tst");
-	sel.Type("All", "*.*");
-	sel.Type("All 2", "*");
-	sel.ActiveType(1);
-	while(sel.ExecuteSaveAs("Test!")) {
-		for(int i = 0; i < sel.GetCount(); i++)
-			DDUMP(sel[i]);
-		sel.Multi();
-		sel.NoAsking();
-	}
-	sel = GetDataFile("main.cpp");
-	if(!sel.ExecuteSaveAs("as"))
-		return;
-	DDUMP(~sel);
-}
+#include <CtrlLib/CtrlLib.h>
+
+using namespace Upp;
+
+GUI_APP_MAIN
+{
+	FileSelNative sel;
+	sel.ActiveDir(GetHomeDirectory());
+	while(sel.ExecuteSelectDir("Just a test"))
+		PromptOK(sel.Get());
+	
+	sel.AllFilesType();
+	sel.Type("Test2", "*.tst");
+	sel.Type("All", "*.*");
+	sel.Type("All 2", "*");
+	sel.ActiveType(1);
+
+	while(sel.ExecuteSaveAs("Test!")) {
+		for(int i = 0; i < sel.GetCount(); i++)
+			DDUMP(sel[i]);
+		sel.Multi();
+		sel.NoAsking();
+	}
+	sel = GetDataFile("main.cpp");
+	if(!sel.ExecuteSaveAs("as"))
+		return;
+	DDUMP(~sel);
+}