Added shortcuts '+', '-' and 'o' for date selection shortcuts, underlining for those and 'e' (#26)

* added shortcuts '+', '-' and 'o' for date selection shortcut
* underlining shortcut key for  those and 'e' (Edit description)
* Moved set due date logic in separate functions

README.md

@@ -102,11 +102,14 @@ In case writing in a text input (e,g, new project/task, due date), you have to `
 | Task Detail        | `Esc`/`h`           | Go back to Tasks Pane                                |
 | Task Detail        | `Space`             | Toggle task as done/pending                          |
 | Task Detail        | `d`                 | Set Due date                                         |
+| Task Detail        | `o`                 | Set Due date to today                                |
+| Task Detail        | `+`                 | Due date plus 1                                      |
+| Task Detail        | `-`                 | Due date minus 1                                     |
 | Task Detail        | `↓`/`↑`             | Scroll Up/Down the note editor                       |
 | Task Detail        | `e`                 | Activate note editor for modification                |
 | Task Detail        | `v`                 | Edit task details in external editor (default `vim`) |
 | Task Detail        | `r`                 | Rename Task Title                                    |
-| Task Detail        | `x`                 | Export Task to clipboard                                    |
+| Task Detail        | `x`                 | Export Task to clipboard                             |
 | Active Note Editor | `Esc`               | Deactivate note editor and save content              |
 
 **Tips about using shortcuts efficiently:**  

app/task_detail.go

@@ -56,7 +56,7 @@ func NewTaskDetailPane(taskRepo repository.TaskRepository) *TaskDetailPane {
 	// Prepare static (no external interaction) elements
 	editorLabel := tview.NewFlex().
 		AddItem(tview.NewTextView().SetText("Task Not[::u]e[::-]:").SetDynamicColors(true), 0, 1, false).
-		AddItem(makeButton("edit", func() { pane.activateEditor() }), 6, 0, false)
+		AddItem(makeButton("[::u]e[::-]dit", func() { pane.activateEditor() }), 6, 0, false)
 	editorHelp := tview.NewFlex().
 		AddItem(pane.editorHint, 0, 1, false).
 		AddItem(tview.NewTextView().SetTextAlign(tview.AlignRight).
@@ -111,27 +111,15 @@ func (td *TaskDetailPane) makeDateRow() *tview.Flex {
 			app.SetFocus(td)
 		})
 
-	todaySelector := func() {
-		td.setTaskDate(parseDateInputOrCurrent("").Unix(), true)
-	}
-
-	nextDaySelector := func() {
-		td.setTaskDate(parseDateInputOrCurrent(td.taskDate.GetText()).AddDate(0, 0, 1).Unix(), true)
-	}
-
-	prevDaySelector := func() {
-		td.setTaskDate(parseDateInputOrCurrent(td.taskDate.GetText()).AddDate(0, 0, -1).Unix(), true)
-	}
-
 	return tview.NewFlex().
 		AddItem(td.taskDateDisplay, 0, 2, true).
 		AddItem(td.taskDate, 14, 0, true).
 		AddItem(blankCell, 1, 0, false).
-		AddItem(makeButton("today", todaySelector), 8, 1, false).
+		AddItem(makeButton("t[::u]o[::-]day", td.todaySelector), 8, 1, false).
 		AddItem(blankCell, 1, 0, false).
-		AddItem(makeButton("+1", nextDaySelector), 4, 1, false).
+		AddItem(makeButton("[::u]+[::-]1", td.nextDaySelector), 4, 1, false).
 		AddItem(blankCell, 1, 0, false).
-		AddItem(makeButton("-1", prevDaySelector), 4, 1, false)
+		AddItem(makeButton("[::u]-[::-]1", td.prevDaySelector), 4, 1, false)
 }
 
 func (td *TaskDetailPane) updateToggleDisplay() {
@@ -328,6 +316,15 @@ func (td *TaskDetailPane) handleShortcuts(event *tcell.EventKey) *tcell.EventKey
 		case 'x':
 			td.Export()
 			return nil
+		case 'o':
+			td.todaySelector()
+			return nil
+		case '+':
+			td.nextDaySelector()
+			return nil
+		case '-':
+			td.prevDaySelector()
+			return nil
 		}
 	}
 
@@ -346,3 +343,15 @@ func (td *TaskDetailPane) SetTask(task *model.Task) {
 	td.updateToggleDisplay()
 	td.deactivateEditor()
 }
+
+func (td *TaskDetailPane) todaySelector() {
+	td.setTaskDate(parseDateInputOrCurrent("").Unix(), true)
+}
+
+func (td *TaskDetailPane) nextDaySelector() {
+	td.setTaskDate(parseDateInputOrCurrent(td.taskDate.GetText()).AddDate(0, 0, 1).Unix(), true)
+}
+
+func (td *TaskDetailPane) prevDaySelector() {
+	td.setTaskDate(parseDateInputOrCurrent(td.taskDate.GetText()).AddDate(0, 0, -1).Unix(), true)
+}