Attempt to set default folder for win dialogs

src/CMakeLists.txt

@@ -106,6 +106,7 @@ include_directories(
   ${LIBCLANG_INCLUDE_DIRS}
   ${ASPELL_INCLUDE_DIR}
   ../libclangmm/src
+  "/usr/x86_64-w64-mingw32/include"
 )
 
 link_directories(
@@ -114,6 +115,7 @@ link_directories(
   ${Boost_LIBRARY_DIRS}
 #    ${PYTHON_INCLUDE_DIRS}
   ${LIBCLANG_LIBRARY_DIRS}
+  "/usr/x86_64-w64-mingw32/lib"
 )
 
 #  set_target_properties(${module}

src/dialogs.h

@@ -38,8 +38,14 @@ private:
 class CommonDialog {
 public:
   CommonDialog(CLSID type);
+  /** available options are listed https://msdn.microsoft.com/en-gb/library/windows/desktop/dn457282(v=vs.85).aspx */
   void add_option(unsigned option);
   void set_title(const std::string &title);
+  /** Sets the extensions the browser can find */
+  void set_file_extensions(const std::vector<std::string> file_extensions);
+  /** Sets the directory to start browsing */
+  void set_default_folder(const std::string &directory_path);
+  /** Returns the selected item's path as a string */
   std::string show();
 
 private:
@@ -49,18 +55,12 @@ private:
 
 class OpenDialog : public CommonDialog {
 public:
-  OpenDialog(const std::string &title, unsigned option) : CommonDialog(CLSID_FileOpenDialog) {
-    set_title(title);
-    add_option(option);
-  }
+  OpenDialog(const std::string &title, unsigned option) : CommonDialog(CLSID_FileOpenDialog);
 };
-
 class SaveDialog : public CommonDialog {
 public:
-  SaveDialog(const std::string &title, unsigned option) : CommonDialog(CLSID_FileSaveDialog) {
-    set_title(title);
-    add_option(option);
-  }
+  SaveDialog(const std::string &title, unsigned option) : CommonDialog(CLSID_FileSaveDialog);
 };
+
 #endif  // __WIN32
 #endif  // JUCI_DIALOG_H_

src/dialogs_win.cc

@@ -60,6 +60,19 @@ void CommonDialog::add_option(unsigned option) {
   check(dialog->SetOptions(options | option), "Failed to set options");
 }
 
+void CommonDialog::set_file_extensions(const std::vector<std::string> &file_extensions) {
+  return;
+}
+
+void CommonDialog::set_default_folder(const std::string &directory_path) {
+  IShellItem * folder = nullptr;
+  WinString str;
+  &str = (str.s2ws(directory_path)).data();
+  check(SHCreateItemFromParsingName(&str, NULL, IID_PPV_ARGS(&folder)), "Failed to create string");
+  check(dialog->SetDefaultFolder(folder), "Failed to set default folder");
+  folder->Release();
+}
+
 std::string CommonDialog::show() {
   try {
     check(dialog->Show(nullptr), "Failed to show dialog");
@@ -73,7 +86,22 @@ std::string CommonDialog::show() {
     return "";
   }
 }
-// COMMON_DIALOG }}
+
+OpenDialog::OpenDialog(const std::string &title, unsigned option) : CommonDialog(CLSID_FileOpenDialog); {
+  set_title(title);
+  add_option(option);
+  auto dirs = Singleton::directories()->current_path;
+  set_default_folder(dirs.empty() ? boost::filesystem::current_path() : dirs);
+}
+
+SaveDialog::SaveDialog(const std::string &title, unsigned option) : CommonDialog(CLSID_FileSaveDialog) {
+  set_title(title);
+  add_option(option);
+  auto dirs = Singleton::directories()->current_path;
+  set_default_folder(dirs.empty() ? boost::filesystem::current_path() : dirs);
+}
+
+// DIALOGS }}
 std::string Dialog::select_folder() {
   return (OpenDialog("Select folder", FOS_PICKFOLDERS)).show();
 }