Added vim style keyboard shortcuts (resolve #2)

- Navigating lists with `j` and `k`
- Moving to panel (task-detail to tasks to projects) with `h`

app/projects.go

@@ -111,6 +111,10 @@ func (pane *ProjectPane) addSection(name string) {
 
 func (pane *ProjectPane) handleShortcuts(event *tcell.EventKey) *tcell.EventKey {
 	switch event.Rune() {
+	case 'j':
+		pane.list.SetCurrentItem(pane.list.GetCurrentItem() + 1)
+	case 'k':
+		pane.list.SetCurrentItem(pane.list.GetCurrentItem() - 1)
 	case 'n':
 		app.SetFocus(pane.newProject)
 	}

app/task_detail.go

@@ -259,9 +259,9 @@ func (td *TaskDetailPane) editInExternalEditor() {
 		td.SetTask(td.task)
 	}
 
-	app.ForceDraw()
-	// @TODO: Not working - fix it
-	app.EnableMouse(true)
+	// @TODO: Mouse events not being captured after returning from Suspend - fix it
+	// app.EnableMouse(true).
+
 	_ = os.Remove(tmpFileName)
 
 	// app.SetFocus(td)
@@ -298,6 +298,8 @@ func (td *TaskDetailPane) handleShortcuts(event *tcell.EventKey) *tcell.EventKey
 			td.editInExternalEditor()
 		case 'd':
 			app.SetFocus(td.taskDate)
+		case 'h':
+			app.SetFocus(taskPane)
 		case ' ':
 			td.toggleTaskStatus()
 		}

app/tasks.go

@@ -100,6 +100,12 @@ func (pane *TaskPane) addTaskToList(i int) *tview.List {
 
 func (pane *TaskPane) handleShortcuts(event *tcell.EventKey) *tcell.EventKey {
 	switch event.Rune() {
+	case 'j':
+		pane.list.SetCurrentItem(pane.list.GetCurrentItem() + 1)
+	case 'k':
+		pane.list.SetCurrentItem(pane.list.GetCurrentItem() - 1)
+	case 'h':
+		app.SetFocus(projectPane)
 	case 'n':
 		app.SetFocus(pane.newTask)
 	}