Merge branch 'file-selection' into next

This patch series introduces a new FileSelection dialog type, see [0].

[0] https://lists.sr.ht/~ireas/dialog-rs-dev/%3C20191203122011.GA64086%40kunshan.atexit.net%3E

1 files changed, 14 insertions, 1 deletions

diff --git a/src/backends/kdialog.rs b/src/backends/kdialog.rs
index c2ddcd0..21928f8 100644
--- a/src/backends/kdialog.rs
+++ b/src/backends/kdialog.rs
@@ -4,7 +4,9 @@
 
 use std::process;
 
-use crate::{Choice, Error, Input, Message, Password, Question, Result};
+use crate::{
+    Choice, Error, FileSelection, FileSelectionMode, Input, Message, Password, Question, Result,
+};
 
 /// Subprocess exit codes
 ///
@@ -136,4 +138,15 @@ impl super::Backend for KDialog {
         self.execute(args, &question.title)
             .and_then(|output| get_choice(output.status))
     }
+
+    fn show_file_selection(&self, file_selection: &FileSelection) -> Result<Option<String>> {
+        let dir = file_selection.path_to_string().ok_or("path not valid")?;
+        let option = match file_selection.mode {
+            FileSelectionMode::Open => "--getopenfilename",
+            FileSelectionMode::Save => "--getsavefilename",
+        };
+        let args = vec![option, &dir];
+        self.execute(args, &file_selection.title)
+            .and_then(get_stdout)
+    }
 }