Full modal dialog functionality

modules/game_modaldialog/modaldialog.lua

@@ -1,71 +1,117 @@
+modalDialog = nil
+
 function init()
   g_ui.importStyle('modaldialog')
 
   connect(g_game, { onModalDialog = onModalDialog,
-                    onGameEnd = destroy })
+                    onGameEnd = destroyDialog })
+
+  local dialog = rootWidget:recursiveGetChildById('modalDialog')
+  if dialog then
+    modalDialog = dialog
+  end
 end
 
 function terminate()
   disconnect(g_game, { onModalDialog = onModalDialog,
-                       onGameEnd = destroy })
-
-  destroy()
+                       onGameEnd = destroyDialog })
 end
 
-function destroy()
+function destroyDialog()
   if modalDialog then
     modalDialog:destroy()
     modalDialog = nil
   end
 end
 
-function onModalDialog(id, title, message, enterId, enterText, escapeId, escapeText, choices) 
-  if modalDialog then return end
+function onModalDialog(id, title, message, buttons, enterButton, escapeButton, choices, priority)
+  -- priority parameter is unused, not sure what its use is.
+  if modalDialog then
+    return
+  end
 
   modalDialog = g_ui.createWidget('ModalDialog', rootWidget)
   
-  local enterButton = modalDialog:getChildById('enterButton')
-  local escapeButton = modalDialog:getChildById('escapeButton')
   local messageLabel = modalDialog:getChildById('messageLabel')
   local choiceList = modalDialog:getChildById('choiceList')
+  local choiceScrollbar = modalDialog:getChildById('choiceScrollBar')
+  local buttonList = modalDialog:getChildById('buttonList')
   
   modalDialog:setText(title)
   messageLabel:setText(message)
-  enterButton:setText(enterText)
-  escapeButton:setText(escapeText)
   
-  local focusLabel = nil
-  for k, v in pairs(choices) do
-    local choiceId = v[1]
-    local choiceName = v[2]
+  local horizontalPadding = modalDialog:getPaddingLeft() + modalDialog:getPaddingRight()
+  modalDialog:setWidth(math.min(modalDialog.maximumWidth, math.max(messageLabel:getWidth(), modalDialog.minimumWidth)))
+  messageLabel:setWidth(math.min(modalDialog.maximumWidth, math.max(messageLabel:getWidth(), modalDialog.minimumWidth)) - horizontalPadding)
+
+  local labelHeight = nil
+  for i = 1, #choices do
+    local choiceId = choices[i][1]
+    local choiceName = choices[i][2]
     
     local label = g_ui.createWidget('ChoiceListLabel', choiceList)
     label.choiceId = choiceId
     label:setText(choiceName)
     label:setPhantom(false)
+    if not labelHeight then
+      labelHeight = label:getHeight()
+    end
+  end
+  choiceList:focusNextChild()
 
-    if not focusLabel then
-      focusLabel = label
+  for i = 1, #buttons do
+    local buttonId = buttons[i][1]
+    local buttonText = buttons[i][2]
+
+    local button = g_ui.createWidget('ModalButton', buttonList)
+    button:setText(buttonText)
+    button.onClick = function(self)
+                       local focusedChoice = choiceList:getFocusedChild()
+                       local choice = 0xFF
+                       if focusedChoice then
+                         choice = focusedChoice.choiceId
+                       end
+                       g_game.answerModalDialog(id, buttonId, choice)
+                       destroyDialog()
                      end
   end
-  choiceList:focusChild(focusLabel)
+
+  local additionalHeight = 0
+  if #choices > 0 then
+    choiceList:setVisible(true)
+    choiceScrollbar:setVisible(true)
+
+    additionalHeight = math.min(modalDialog.maximumChoices, math.max(modalDialog.minimumChoices, #choices)) * labelHeight
+    additionalHeight = additionalHeight + choiceList:getPaddingTop() + choiceList:getPaddingBottom()
+  end
+  modalDialog:setHeight(modalDialog:getHeight() + additionalHeight)
+
+  addEvent(function()
+             modalDialog:setHeight(modalDialog:getHeight() + messageLabel:getHeight() - 14)
+           end)
 
   local enterFunc = function()
-    g_game.answerModalDialog(id, enterId, choiceList:getFocusedChild().choiceId)
-    destroy()
+    local focusedChoice = choiceList:getFocusedChild()
+    local choice = 0xFF
+    if focusedChoice then
+      choice = focusedChoice.choiceId
+    end
+    g_game.answerModalDialog(id, enterButton, choice)
+    destroyDialog()
   end
   
   local escapeFunc = function()
-    g_game.answerModalDialog(id, escapeId, choiceList:getFocusedChild().choiceId)
-    destroy()
+    local focusedChoice = choiceList:getFocusedChild()
+    local choice = 0xFF
+    if focusedChoice then
+      choice = focusedChoice.choiceId
+    end
+    g_game.answerModalDialog(id, escapeButton, choice)
+    destroyDialog()
   end
 
   choiceList.onDoubleClick = enterFunc
   
-  enterButton.onClick = enterFunc
   modalDialog.onEnter = enterFunc
-  
-  escapeButton.onClick = escapeFunc
   modalDialog.onEscape = escapeFunc
-  return
 end

modules/game_modaldialog/modaldialog.otui

@@ -8,52 +8,61 @@ ChoiceListLabel < Label
     background-color: #ffffff22
     color: #ffffff
 
-ModalDialog < MainWindow
-  id: modalDialog
-  !text: tr('Title')
-  size: 280 230
-  @onEscape: self:destroy()
-
-  Label
-    id: messageLabel
-    anchors.top: parent.top
-    anchors.left: parent.left
-    anchors.right: parent.right
-    text-align: left
-    text: Message
-    height: 60
-
-  TextList
+ChoiceList < TextList
   id: choiceList
   vertical-scrollbar: choiceScrollBar
   anchors.fill: parent
   anchors.top: prev.bottom
   anchors.bottom: next.top
-    margin-bottom: 10
-    margin-top: 10
   padding: 1
+  margin-top: 4
+  margin-bottom: 10
   focusable: false
+  visible: false
 
-  Button
-    id: enterButton
-    !text: tr('Ok')
-    anchors.top: next.top
-    anchors.right: next.left
-    margin-right: 8
-    width: 60
-
-  Button
-    id: escapeButton
-    !text: tr('Cancel')
-    anchors.bottom: parent.bottom
-    anchors.right: parent.right
-    margin-top: 10
-    width: 60
-
-  VerticalScrollBar
+ChoiceScrollBar < VerticalScrollBar
   id: choiceScrollBar
   anchors.top: choiceList.top
   anchors.bottom: choiceList.bottom
   anchors.right: choiceList.right
   step: 14
   pixels-scroll: true
+  visible: false
+
+ModalButton < Button
+  width: 60
+  margin: 2
+
+ModalDialog < MainWindow
+  id: modalDialog
+  size: 280 97
+  &minimumWidth: 200
+  &maximumWidth: 500
+  &minimumChoices: 4
+  &maximumChoices: 10
+
+  Label
+    id: messageLabel
+    anchors.top: parent.top
+    anchors.left: parent.left
+    text-align: left
+    text-auto-resize: true
+    text-wrap: true
+
+  ChoiceList
+
+  HorizontalSeparator
+    anchors.left: parent.left
+    anchors.right: parent.right
+    anchors.bottom: next.top
+
+  Panel
+    id: buttonList
+    anchors.left: parent.left
+    anchors.right: parent.right
+    anchors.bottom: parent.bottom
+    height: 24
+    layout: horizontalBox
+      align-right: true
+
+  ChoiceScrollBar

src/client/game.cpp

@@ -506,9 +506,9 @@ void Game::processQuestLine(int questId, const std::vector<std::tuple<std::strin
     g_lua.callGlobalField("g_game", "onQuestLine", questId, questMissions);
 }
 
-void Game::processModalDialog(uint32 id, std::string title, std::string message, int enterId, std::string enterText, int escapeId, std::string escapeText, std::vector<std::tuple<int, std::string> > choiceList)
+void Game::processModalDialog(uint32 id, std::string title, std::string message, std::vector<std::tuple<int, std::string> > buttonList, int enterButton, int escapeButton, std::vector<std::tuple<int, std::string> > choiceList, bool priority)
 {
-    g_lua.callGlobalField("g_game", "onModalDialog", id, title, message, enterId, enterText, escapeId, escapeText, choiceList);
+    g_lua.callGlobalField("g_game", "onModalDialog", id, title, message, buttonList, enterButton, escapeButton, choiceList, priority);
 }
 
 void Game::processAttackCancel(uint seq)

src/client/game.h

@@ -132,7 +132,7 @@ protected:
     void processQuestLine(int questId, const std::vector<std::tuple<std::string, std::string> >& questMissions);
 
     // modal dialogs >= 970
-    void processModalDialog(uint32 id, std::string title, std::string message, int enterId, std::string enterText, int escapeId, std::string escapeText, std::vector<std::tuple<int, std::string> > choiceList);
+    void processModalDialog(uint32 id, std::string title, std::string message, std::vector<std::tuple<int, std::string> > buttonList, int enterButton, int escapeButton, std::vector<std::tuple<int, std::string> > choiceList, bool priority);
 
     friend class ProtocolGame;
     friend class Map;

src/client/protocolcodes.h

@@ -145,7 +145,7 @@ namespace Proto {
         GameServerMarketLeave               = 247, // 944
         GameServerMarketDetail              = 248, // 944
         GameServerMarketBrowse              = 249, // 944
-        GameServerShowModalDialog           = 250  // 960
+        GameServerModalDialog               = 250  // 960
     };
 
     enum ClientOpcodes : uint8

src/client/protocolgame.h

@@ -212,7 +212,7 @@ private:
     void parseChannelEvent(const InputMessagePtr& msg);
     void parseItemInfo(const InputMessagePtr& msg);
     void parsePlayerInventory(const InputMessagePtr& msg);
-    void parseShowModalDialog(const InputMessagePtr& msg);
+    void parseModalDialog(const InputMessagePtr& msg);
     void parseExtendedOpcode(const InputMessagePtr& msg);
     void parseChangeMapAwareRange(const InputMessagePtr& msg);
     void parseCreaturesMark(const InputMessagePtr& msg);

src/client/protocolgameparse.cpp

@@ -316,8 +316,8 @@ void ProtocolGame::parseMessage(const InputMessagePtr& msg)
                 parsePlayerInfo(msg);
                 break;
             // PROTOCOL>=970
-            case Proto::GameServerShowModalDialog:
-                parseShowModalDialog(msg);
+            case Proto::GameServerModalDialog:
+                parseModalDialog(msg);
                 break;
             // PROTOCOL>=980
             case Proto::GameServerLoginSuccess:
@@ -1596,18 +1596,18 @@ void ProtocolGame::parsePlayerInventory(const InputMessagePtr& msg)
     }
 }
 
-void ProtocolGame::parseShowModalDialog(const InputMessagePtr& msg)
+void ProtocolGame::parseModalDialog(const InputMessagePtr& msg)
 {
     uint32 id = msg->getU32();
     std::string title = msg->getString();
     std::string message = msg->getString();
 
     int sizeButtons = msg->getU8();
-    std::map<int, std::string > buttonList;
+    std::vector<std::tuple<int, std::string> > buttonList;
     for(int i = 0; i < sizeButtons; ++i) {
         std::string value = msg->getString();
         int id = msg->getU8();
-        buttonList[id] = value;
+        buttonList.push_back(std::make_tuple(id, value));
     }
 
     int sizeChoices = msg->getU8();
@@ -1628,21 +1628,9 @@ void ProtocolGame::parseShowModalDialog(const InputMessagePtr& msg)
         escapeButton = msg->getU8();
     }
 
-    msg->getU8(); // popup value (no clue what it is for)
+    bool priority = msg->getU8() == 0x01;
 
-    std::map<int, std::string>::iterator itEnter = buttonList.find(enterButton);
-    if(itEnter == buttonList.end()) {
-        g_logger.info(stdext::format("Enter button does not exist for dialog id: %d", id));
-        return;
-    }
-
-    std::map<int, std::string >::iterator itEscape = buttonList.find(escapeButton);
-    if(itEscape == buttonList.end()) {
-        g_logger.info(stdext::format("Escape button does not exist for dialog id: %d", id));
-        return;
-    }
-
-    g_game.processModalDialog(id, title, message, itEnter->first, itEnter->second, itEscape->first, itEscape->second, choiceList);
+    g_game.processModalDialog(id, title, message, buttonList, enterButton, escapeButton, choiceList, priority);
 }
 
 void ProtocolGame::parseExtendedOpcode(const InputMessagePtr& msg)