1 files changed, 36 insertions, 0 deletions
diff --git a/gui/controlsview.go b/gui/controlsview.go
new file mode 100644
index 0000000..4b2f97e
--- /dev/null
+++ b/gui/controlsview.go
@@ -0,0 +1,36 @@
+package gui
+
+import (
+	"fmt"
+
+	"github.com/jroimartin/gocui"
+)
+
+// open the application controls
+// TODO: view size can handled better for such situations like too small
+// application area
+func (gui *Gui) openCheatSheetView(g *gocui.Gui, v *gocui.View) error {
+	maxX, maxY := g.Size()
+	v, err := g.SetView(cheatSheetViewFeature.Name, maxX/2-25, maxY/2-10, maxX/2+25, maxY/2+10)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Title = cheatSheetViewFeature.Title
+		for _, k := range gui.KeyBindings {
+			if k.View == mainViewFeature.Name || k.View == "" {
+				binding := " " + cyan.Sprint(k.Display) + ": " + k.Description
+				fmt.Fprintln(v, binding)
+			}
+		}
+	}
+	return gui.focusToView(cheatSheetViewFeature.Name)
+}
+
+// close the application controls and do the clean job
+func (gui *Gui) closeCheatSheetView(g *gocui.Gui, v *gocui.View) error {
+	if err := g.DeleteView(v.Name()); err != nil {
+		return nil
+	}
+	return gui.closeViewCleanup(mainViewFeature.Name)
+}