Refactoring and flexibility changes

* Split game module into game and game_interface
* Move core_lib to corelib
* Move miniwindow to corelib
* Introduce init.lua script for initializing the client, giving much more flexibility
* OTClient is no longer Application derived and is much simpler

modules/corelib/keyboard.lua

@@ -0,0 +1,146 @@
+Keyboard = {}
+
+-- private functions
+function translateKeyCombo(keyCombo)
+  if not keyCombo or #keyCombo == 0 then return nil end
+  table.sort(keyCombo)
+  local keyComboDesc = ''
+  for k,v in pairs(keyCombo) do
+    local keyDesc = KeyCodeDescs[v]
+    if keyDesc == nil then return nil end
+    keyComboDesc = keyComboDesc .. '+' .. keyDesc
+  end
+  keyComboDesc = keyComboDesc:sub(2)
+  return keyComboDesc
+end
+
+local function retranslateKeyComboDesc(keyComboDesc)
+  if keyComboDesc == nil then
+    error('Unable to translate key combo \'' .. keyComboDesc .. '\'')
+  end
+  local keyCombo = {}
+  for i,currentKeyDesc in ipairs(keyComboDesc:split('+')) do
+    for keyCode, keyDesc in pairs(KeyCodeDescs) do
+      if keyDesc:lower() == currentKeyDesc:trim():lower() then
+        table.insert(keyCombo, keyCode)
+      end
+    end
+  end
+  return translateKeyCombo(keyCombo)
+end
+
+function determineKeyComboDesc(keyCode, keyboardModifiers)
+  local keyCombo = {}
+  if keyCode == KeyCtrl or keyCode == KeyShift or keyCode == KeyAlt then
+    table.insert(keyCombo, keyCode)
+  elseif KeyCodeDescs[keyCode] ~= nil then
+    if keyboardModifiers == KeyboardCtrlModifier then
+      table.insert(keyCombo, KeyCtrl)
+    elseif keyboardModifiers == KeyboardAltModifier then
+      table.insert(keyCombo, KeyAlt)
+    elseif keyboardModifiers == KeyboardCtrlAltModifier then
+      table.insert(keyCombo, KeyCtrl)
+      table.insert(keyCombo, KeyAlt)
+    elseif keyboardModifiers == KeyboardShiftModifier then
+      table.insert(keyCombo, KeyShift)
+    elseif keyboardModifiers == KeyboardCtrlShiftModifier then
+      table.insert(keyCombo, KeyCtrl)
+      table.insert(keyCombo, KeyShift)
+    elseif keyboardModifiers == KeyboardAltShiftModifier then
+      table.insert(keyCombo, KeyAlt)
+      table.insert(keyCombo, KeyShift)
+    elseif keyboardModifiers == KeyboardCtrlAltShiftModifier then
+      table.insert(keyCombo, KeyCtrl)
+      table.insert(keyCombo, KeyAlt)
+      table.insert(keyCombo, KeyShift)
+    end
+    table.insert(keyCombo, keyCode)
+  end
+  table.sort(keyCombo)
+  return translateKeyCombo(keyCombo)
+end
+
+local function onWidgetKeyDown(widget, keyCode, keyboardModifiers)
+  if keyCode == KeyUnknown then return false end
+  local keyComboDesc = determineKeyComboDesc(keyCode, keyboardModifiers)
+  local callback = widget.boundKeyDownCombos[keyComboDesc]
+  if callback then
+    callback()
+    return true
+  end
+  return false
+end
+
+local function onWidgetKeyPress(widget, keyCode, keyboardModifiers, autoRepeatTicks)
+  if keyCode == KeyUnknown then return false end
+  local keyComboDesc = determineKeyComboDesc(keyCode, keyboardModifiers)
+  local comboConf = widget.boundKeyPressCombos[keyComboDesc]
+  if comboConf and (autoRepeatTicks >= comboConf.autoRepeatDelay or autoRepeatTicks == 0) and comboConf.callback then
+    comboConf.callback()
+    return true
+  end
+  return false
+end
+
+local function connectKeyDownEvent(widget)
+  if widget.boundKeyDownCombos then return end
+  connect(widget, { onKeyDown = onWidgetKeyDown })
+  widget.boundKeyDownCombos = {}
+end
+
+local function connectKeyPressEvent(widget)
+  if widget.boundKeyPressCombos then return end
+  connect(widget, { onKeyPress = onWidgetKeyPress })
+  widget.boundKeyPressCombos = {}
+end
+
+-- public functions
+function Keyboard.bindKeyDown(keyComboDesc, callback, widget)
+  widget = widget or rootWidget
+  connectKeyDownEvent(widget)
+  local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
+  widget.boundKeyDownCombos[keyComboDesc] = callback
+end
+
+function Keyboard.bindKeyPress(keyComboDesc, callback, widget, autoRepeatDelay)
+  autoRepeatDelay = autoRepeatDelay or 500
+  widget = widget or rootWidget
+  connectKeyPressEvent(widget)
+  local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
+  widget.boundKeyPressCombos[keyComboDesc] = { callback = callback, autoRepeatDelay = autoRepeatDelay }
+  widget:setAutoRepeatDelay(math.min(autoRepeatDelay, widget:getAutoRepeatDelay()))
+end
+
+function Keyboard.unbindKeyDown(keyComboDesc, widget)
+  widget = widget or rootWidget
+  if widget.boundKeyDownCombos == nil then return end
+  local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
+  if keyComboDesc then
+    widget.boundKeyDownCombos[keyComboDesc] = nil
+  end
+end
+
+function Keyboard.unbindKeyPress(keyComboDesc, widget)
+  widget = widget or rootWidget
+  if widget.boundKeyPressCombos == nil then return end
+  local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
+  if keyComboDesc then
+    widget.boundKeyPressCombos[keyComboDesc] = nil
+  end
+end
+
+function Keyboard.getModifiers()
+  return g_window.getKeyboardModifiers()
+end
+
+function Keyboard.isCtrlPressed()
+  return bit32.band(g_window.getKeyboardModifiers(), KeyboardCtrlModifier) ~= 0
+end
+
+function Keyboard.isAltPressed()
+  return bit32.band(g_window.getKeyboardModifiers(), KeyboardAltModifier) ~= 0
+end
+
+function Keyboard.isShiftPressed()
+  return bit32.band(g_window.getKeyboardModifiers(), KeyboardShiftModifier) ~= 0
+end