gui: aligned columns, theme colours, a second layout, and a scan-selection setting

1 files changed, 14 insertions, 1 deletions

diff --git a/gui/internal/model/prefs.go b/gui/internal/model/prefs.go
index 1a91194..3c249a3 100644
--- a/gui/internal/model/prefs.go
+++ b/gui/internal/model/prefs.go
@@ -23,8 +23,18 @@ type Prefs struct {
 	// PreviewHeight is how tall the preview under the explanation is, in
 	// pixels; the divider between them sets it, and so does Settings.
 	PreviewHeight int `json:"preview_height"`
+	// Layout is how the Plan tab is arranged: "side" puts the file list
+	// beside the explanation, "stacked" puts it above, with the preview
+	// beside the explanation underneath.
+	Layout string `json:"layout"`
 }
 
+// The two arrangements of the Plan tab.
+const (
+	LayoutSide    = "side"
+	LayoutStacked = "stacked"
+)
+
 // DefaultPreviewHeight is the preview's height until one is chosen, and the
 // floor a smaller one is raised to.
 const DefaultPreviewHeight = 280
@@ -32,7 +42,7 @@ const DefaultPreviewHeight = 280
 // DefaultPrefs is what a window does before anything is chosen.
 func DefaultPrefs() Prefs {
 	return Prefs{Colours: true, Preview: true, SelectAll: true,
-		PreviewHeight: DefaultPreviewHeight}
+		PreviewHeight: DefaultPreviewHeight, Layout: LayoutSide}
 }
 
 // PrefsFile is where they are kept.
@@ -54,6 +64,9 @@ func LoadPrefs() Prefs {
 	if p.PreviewHeight < 80 {
 		p.PreviewHeight = DefaultPreviewHeight
 	}
+	if p.Layout != LayoutSide && p.Layout != LayoutStacked {
+		p.Layout = LayoutSide
+	}
 	return p
 }