rework key input handling, add more script events for UI and implement console history

modules/console/console.lua

@@ -5,6 +5,8 @@ local logLocked = false
 local commandEnv = createEnvironment()
 local maxLines = 80
 local numLines = 0
+local commandHistory = { }
+local currentHistoryIndex = 0
 
 function Console.onLog(level, message, time)
   -- avoid logging while reporting logs (would cause a infinite loop)
@@ -47,9 +49,41 @@ function Console.addLine(text, color)
   end
 end
 
+function Console.navigateCommand(step)
+  local numCommands = #commandHistory
+  if numCommands > 0 then
+    currentHistoryIndex = math.min(math.max(currentHistoryIndex + step, 0), numCommands)
+    local commandLineEdit = console:getChildById('commandLineEdit')
+    if currentHistoryIndex > 0 then
+      local command = commandHistory[numCommands - currentHistoryIndex + 1]
+      commandLineEdit:setText(command)
+    else
+      commandLineEdit:clearText()
+    end
+  end
+end
+
 function Console.create()
   console = UI.loadAndDisplay("/console/console.otui")
   console:hide()
+  console.onKeyPress = function(self, keyCode, keyChar, keyboardModifiers)
+    if keyboardModifiers == KeyboardNoModifier then
+      if keyCode == KeyReturn or keyCode == keyEnter then
+        local commandLineEdit = console:getChildById('commandLineEdit')
+        local command = commandLineEdit:getText()
+        Console.executeCommand(command)
+        commandLineEdit:clearText()
+        return true
+      elseif keyCode == KeyUp then
+        Console.navigateCommand(1)
+        return true
+      elseif keyCode == KeyDown then
+        Console.navigateCommand(-1)
+        return true
+      end
+    end
+    return false
+  end
 
   Logger.setOnLog(Console.onLog)
   Logger.fireOldMessages()
@@ -72,6 +106,8 @@ function Console.hide()
 end
 
 function Console.executeCommand(command)
+  currentHistoryIndex = 0
+  table.insert(commandHistory, command)
   Console.addLine(">> " .. command, "#ffffff")
   local func, err = loadstring(command, "@")
   if func then

modules/console/console.otui

@@ -23,14 +23,9 @@ RectPanel
     text: >>
 
   UILineEdit
-    id: commandBox
+    id: commandLineEdit
     height: 16
     anchors.bottom: parent.bottom
     anchors.left: commandSymbolLabel.right
     anchors.right: parent.right
     font: terminus-14px-bold
-    onAction: |
-      function(self)
-        Console.executeCommand(self:getText())
-        self:clearText()
-      end