feat: initial mouse support

closes #163

1 files changed, 42 insertions, 0 deletions

diff --git a/tui/mouse.go b/tui/mouse.go
new file mode 100644
index 0000000..18ef8b3
--- /dev/null
+++ b/tui/mouse.go
@@ -0,0 +1,42 @@
+package tui
+
+import (
+	"github.com/dundee/gdu/v5/pkg/fs"
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+func (ui *UI) onMouse(event *tcell.EventMouse, action tview.MouseAction) (*tcell.EventMouse, tview.MouseAction) {
+	if event == nil {
+		return nil, action
+	}
+
+	switch action {
+	case tview.MouseLeftDoubleClick:
+		row, column := ui.table.GetSelection()
+		if ui.currentDirPath != ui.topDirPath && row == 0 {
+			ui.handleLeft()
+		} else {
+			selectedFile := ui.table.GetCell(row, column).GetReference().(fs.Item)
+			if selectedFile.IsDir() {
+				ui.handleRight()
+			} else {
+				ui.showFile()
+			}
+		}
+		return nil, action
+	case tview.MouseScrollUp:
+		fallthrough
+	case tview.MouseScrollDown:
+		row, column := ui.table.GetSelection()
+		if action == tview.MouseScrollUp && row > 0 {
+			row--
+		} else if action == tview.MouseScrollDown && row+1 < ui.table.GetRowCount() {
+			row++
+		}
+		ui.table.Select(row, column)
+		return nil, action
+	}
+
+	return event, action
+}