From 592ecf4c097e498c4ab3f6e8df7409925caa6ac7 Mon Sep 17 00:00:00 2001
From: Marcel Hellwig <git@cookiesoft.de>
Date: Tue, 12 Dec 2017 08:38:14 +0100
Subject: [PATCH] added option to position the header in a dialog

---
 src/views/dialog.rs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/views/dialog.rs b/src/views/dialog.rs
index 47b02b3..6d470c2 100644
--- a/src/views/dialog.rs
+++ b/src/views/dialog.rs
@@ -49,6 +49,9 @@ pub struct Dialog {
     // Possibly empty title.
     title: String,
 
+    // Where to put the title position
+    title_position: HAlign,
+
     // The actual inner view.
     content: SizedView<Box<View>>,
 
@@ -85,6 +88,7 @@ impl Dialog {
             content: SizedView::new(Box::new(view)),
             buttons: Vec::new(),
             title: String::new(),
+            title_position: HAlign::Center,
             focus: Focus::Content,
             padding: Vec4::new(1, 1, 0, 0),
             borders: Vec4::new(1, 1, 1, 1),
@@ -169,6 +173,16 @@ impl Dialog {
         self.title = label.into();
     }
 
+    /// Sets the horizontal position of the title in the dialog.
+    pub fn title_position(self, align: HAlign) -> Self {
+        self.with(|s| s.set_title_position(align))
+    }
+
+    /// Sets the horizontal position of the title in the dialog.
+    pub fn set_title_position(&mut self, align: HAlign) {
+        self.title_position = align;
+    }
+
     /// Sets the padding in the dialog (around content and buttons).
     pub fn padding<T: Into<Vec4>>(mut self, padding: T) -> Self {
         self.padding = padding.into();
@@ -348,7 +362,11 @@ impl Dialog {
             if len + 4 > printer.size.x {
                 return;
             }
-            let x = (printer.size.x - len) / 2;
+            let x = match self.title_position {
+                HAlign::Left => 3,
+                HAlign::Center => (printer.size.x - len) / 2,
+                HAlign::Right => printer.size.x - len - 3,
+            };
             printer.with_high_border(false, |printer| {
                 printer.print((x - 2, 0), "┤ ");
                 printer.print((x + len, 0), " ├");