static string SwfFilter(FileDialogFilters filters)
{
var builder = new StringBuilder();
bool first = true;
foreach (var f in filters.Filters)
{
if (!first)
{
builder.Append("|");
}
else
{
first = false;
}
builder.Append(f.Name);
builder.Append(" (");
var exts = string.Join(";", f.Extensions.Select((x) => {
if (x.Contains("."))
{
return(x);
}
else
{
return("*." + x);
}
}));
builder.Append(exts).Append(")|").Append(exts);
}
builder.Append("|All files (*.*)|*.*");
return(builder.ToString());
}
public static string Open(FileDialogFilters filters = null)
{
if (Platform.RunningOS == OS.Windows)
{
if (Win32.Win32OpenDialog(Win32.ConvertFilters(filters), null, out string result))
{
return(result);
}
else
{
return(null);
}
}
else if (Platform.RunningOS == OS.Linux)
{
if (kdialog)
{
return(KDialogOpen(filters));
}
else if (parentWindow != IntPtr.Zero)
{
return(Gtk2.GtkOpen(parentWindow, filters));
}
else
{
return(Gtk3.GtkOpen(filters));
}
}
else
{
//Mac
throw new NotImplementedException();
}
}
public static string ConvertFilters(FileDialogFilters filters)
{
if (filters == null)
{
return(null);
}
var builder = new StringBuilder();
bool first = true;
foreach (var f in filters.Filters)
{
if (!first)
{
builder.Append(";");
}
first = false;
builder.Append(string.Join(",", f.Extensions.Select((x) =>
{
int index = x.IndexOf('.');
if (index != -1)
{
return(x.Substring(index + 1));
}
return(x);
})));
}
return(builder.ToString());
}
public static string GtkSave(IntPtr parent, FileDialogFilters filters)
{
if (!gtk_init_check(IntPtr.Zero, IntPtr.Zero))
{
throw new Exception();
}
var dlg = gtk_file_chooser_dialog_new("Save File", IntPtr.Zero,
GTK_FILE_CHOOSER_ACTION_SAVE,
IntPtr.Zero);
gtk_dialog_add_button(dlg, "_Cancel", GTK_RESPONSE_CANCEL);
gtk_dialog_add_button(dlg, "_Accept", GTK_RESPONSE_ACCEPT);
SetFilters(dlg, filters);
gtk_widget_realize(dlg);
XSetTransientForHint(gdk_x11_get_default_xdisplay(),
gdk_x11_drawable_get_xid(gtk_widget_get_window(dlg)), parent);
string result = null;
if (gtk_dialog_run(dlg) == GTK_RESPONSE_ACCEPT)
{
result = UnsafeHelpers.PtrToStringUTF8(gtk_file_chooser_get_filename(dlg));
}
WaitCleanup();
gtk_widget_destroy(dlg);
WaitCleanup();
return(result);
}
static string KDialogOpen(FileDialogFilters filters)
{
if (String.IsNullOrEmpty(lastOpen))
{
lastOpen = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
}
var ret = KDialogProcess(string.Format("--getopenfilename \"{0}\" \"{1}\"", lastOpen, KDialogFilter(filters)));
lastOpen = ret ?? lastOpen;
return(ret);
}
static string KDialogSave(FileDialogFilters filters)
{
if (string.IsNullOrEmpty(lastSave))
{
lastSave = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
}
var ret = KDialogProcess(string.Format("--getsavefilename \"{0}\" \"{1}\"", lastSave, KDialogFilter(filters)));
lastSave = ret ?? lastSave;
return(ret);
}
public static string Open(FileDialogFilters filters = null)
{
if (Platform.RunningOS == OS.Windows)
{
string result = null;
using (var ofd = NewObj("System.Windows.Forms.OpenFileDialog"))
{
if (parentForm != null)
{
ofd.Parent = parentForm;
}
if (filters != null)
{
ofd.Filter = SwfFilter(filters);
}
if (ofd.ShowDialog() == SwfOk())
{
result = ofd.FileName;
}
}
WinformsDoEvents();
return(result);
}
else if (Platform.RunningOS == OS.Linux)
{
if (kdialog)
{
return(KDialogOpen());
}
else if (parentWindow != IntPtr.Zero)
{
return(Gtk2.GtkOpen(parentWindow, filters));
}
else
{
return(Gtk3.GtkOpen(filters));
}
}
else
{
//Mac
throw new NotImplementedException();
}
}
static void SetFilters(IntPtr dlg, FileDialogFilters filters)
{
if (filters == null)
{
return;
}
foreach (var managed in filters.Filters)
{
var f = gtk_file_filter_new();
gtk_file_filter_set_name(f, managed.Name);
foreach (var ext in managed.Extensions)
{
gtk_file_filter_add_pattern(f, "*." + ext);
}
gtk_file_chooser_add_filter(dlg, f);
}
//Add wildcards
var wc = gtk_file_filter_new();
gtk_file_filter_set_name(wc, "*.*");
gtk_file_filter_add_pattern(wc, "*");
gtk_file_chooser_add_filter(dlg, wc);
}
public static string GtkSave(FileDialogFilters filters)
{
if (!gtk_init_check(IntPtr.Zero, IntPtr.Zero))
{
throw new Exception();
}
var dlg = gtk_file_chooser_dialog_new("Save File", IntPtr.Zero,
GTK_FILE_CHOOSER_ACTION_SAVE,
IntPtr.Zero);
gtk_dialog_add_button(dlg, "_Cancel", GTK_RESPONSE_CANCEL);
gtk_dialog_add_button(dlg, "_Accept", GTK_RESPONSE_ACCEPT);
SetFilters(dlg, filters);
string result = null;
if (gtk_dialog_run_HACK(dlg) == GTK_RESPONSE_ACCEPT)
{
result = UnsafeHelpers.PtrToStringUTF8(gtk_file_chooser_get_filename(dlg));
}
WaitCleanup();
gtk_widget_destroy(dlg);
WaitCleanup();
return(result);
}