TradeWindow: balance now changes per time if user holds +/- button

pressed

apps/openmw/mwgui/tradewindow.cpp

@@ -19,12 +19,17 @@
 
 #include "inventorywindow.hpp"
 
+static const float BALANCE_CHANGE_INITIAL_PAUSE = 0.5; // in seconds
+static const float BALANCE_CHANGE_INTERVAL = 0.1; // in seconds
+
 namespace MWGui
 {
     TradeWindow::TradeWindow(MWBase::WindowManager& parWindowManager) :
         WindowBase("openmw_trade_window.layout", parWindowManager)
         , ContainerBase(NULL) // no drag&drop
         , mCurrentBalance(0)
+        , mBalanceButtonsState(BBS_None)
+        , mBalanceChangePause(0.0)
     {
         MyGUI::ScrollView* itemView;
         MyGUI::Widget* containerWidget;
@@ -59,8 +64,10 @@ namespace MWGui
 
         mCancelButton->eventMouseButtonClick += MyGUI::newDelegate(this, &TradeWindow::onCancelButtonClicked);
         mOfferButton->eventMouseButtonClick += MyGUI::newDelegate(this, &TradeWindow::onOfferButtonClicked);
-        mIncreaseButton->eventMouseButtonClick += MyGUI::newDelegate(this, &TradeWindow::onIncreaseButtonClicked);
+        mIncreaseButton->eventMouseButtonPressed += MyGUI::newDelegate(this, &TradeWindow::onIncreaseButtonPressed);
-        mDecreaseButton->eventMouseButtonClick += MyGUI::newDelegate(this, &TradeWindow::onDecreaseButtonClicked);
+        mIncreaseButton->eventMouseButtonReleased += MyGUI::newDelegate(this, &TradeWindow::onBalanceButtonReleased);
+        mDecreaseButton->eventMouseButtonPressed += MyGUI::newDelegate(this, &TradeWindow::onDecreaseButtonPressed);
+        mDecreaseButton->eventMouseButtonReleased += MyGUI::newDelegate(this, &TradeWindow::onBalanceButtonReleased);
 
         setCoord(400, 0, 400, 300);
 
@@ -143,6 +150,21 @@ namespace MWGui
         }
     }
 
+    void TradeWindow::onFrame(float frameDuration)
+    {
+        if (!mMainWidget->getVisible() || mBalanceButtonsState == BBS_None)
+            return;
+
+        mBalanceChangePause -= frameDuration;
+        if (mBalanceChangePause < 0.0) {
+            mBalanceChangePause += BALANCE_CHANGE_INTERVAL;
+            if (mBalanceButtonsState == BBS_Increase)
+                onIncreaseButtonTriggered();
+            else if (mBalanceButtonsState == BBS_Decrease)
+                onDecreaseButtonTriggered();
+        }
+    }
+
     void TradeWindow::onOfferButtonClicked(MyGUI::Widget* _sender)
     {
         const MWWorld::Store<ESM::GameSetting> &gmst =
@@ -242,7 +264,7 @@ namespace MWGui
 
             //skill use!
             MWWorld::Class::get(playerPtr).skillUsageSucceeded(playerPtr, ESM::Skill::Mercantile, 0);
-	}
+    }
 
         int iBarterSuccessDisposition = gmst.find("iBarterSuccessDisposition")->getInt();
         MWBase::Environment::get().getDialogueManager()->applyTemporaryDispositionChange(iBarterSuccessDisposition);
@@ -271,14 +293,33 @@ namespace MWGui
         mWindowManager.removeGuiMode(GM_Barter);
     }
 
-    void TradeWindow::onIncreaseButtonClicked(MyGUI::Widget* _sender)
+    void TradeWindow::onIncreaseButtonPressed(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id)
+    {
+        mBalanceButtonsState = BBS_Increase;
+        mBalanceChangePause = BALANCE_CHANGE_INITIAL_PAUSE;
+        onIncreaseButtonTriggered();
+    }
+
+    void TradeWindow::onDecreaseButtonPressed(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id)
+    {
+        mBalanceButtonsState = BBS_Decrease;
+        mBalanceChangePause = BALANCE_CHANGE_INITIAL_PAUSE;
+        onDecreaseButtonTriggered();
+    }
+
+    void TradeWindow::onBalanceButtonReleased(MyGUI::Widget *_sender, int _left, int _top, MyGUI::MouseButton _id)
+    {
+        mBalanceButtonsState = BBS_None;
+    }
+
+    void TradeWindow::onIncreaseButtonTriggered()
     {
         if(mCurrentBalance<=-1) mCurrentBalance -= 1;
         if(mCurrentBalance>=1) mCurrentBalance += 1;
         updateLabels();
     }
 
-    void TradeWindow::onDecreaseButtonClicked(MyGUI::Widget* _sender)
+    void TradeWindow::onDecreaseButtonTriggered()
     {
         if(mCurrentBalance<-1) mCurrentBalance += 1;
         if(mCurrentBalance>1) mCurrentBalance -= 1;

apps/openmw/mwgui/tradewindow.hpp

@@ -34,6 +34,8 @@ namespace MWGui
 
             void addOrRemoveGold(int gold);
 
+            void onFrame(float frameDuration);
+
         protected:
             MyGUI::Button* mFilterAll;
             MyGUI::Button* mFilterWeapon;
@@ -57,12 +59,24 @@ namespace MWGui
             int mCurrentBalance;
             int mCurrentMerchantOffer;
 
+            enum BalanceButtonsState {
+                BBS_None,
+                BBS_Increase,
+                BBS_Decrease
+            } mBalanceButtonsState;
+            /// pause before next balance change will trigger while user holds +/- button pressed
+            float mBalanceChangePause;
+
             void onWindowResize(MyGUI::Window* _sender);
             void onFilterChanged(MyGUI::Widget* _sender);
             void onOfferButtonClicked(MyGUI::Widget* _sender);
             void onCancelButtonClicked(MyGUI::Widget* _sender);
-            void onIncreaseButtonClicked(MyGUI::Widget* _sender);
+            void onIncreaseButtonPressed(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id);
-            void onDecreaseButtonClicked(MyGUI::Widget* _sender);
+            void onDecreaseButtonPressed(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id);
+            void onBalanceButtonReleased(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id);
+
+            void onIncreaseButtonTriggered();
+            void onDecreaseButtonTriggered();
 
             // don't show items that the NPC has equipped in his trade-window.
             virtual bool ignoreEquippedItems() { return true; }

apps/openmw/mwgui/windowmanagerimp.cpp

@@ -608,6 +608,7 @@ void WindowManager::onFrame (float frameDuration)
     mHud->onFrame(frameDuration);
 
     mTrainingWindow->onFrame (frameDuration);
+    mTradeWindow->onFrame(frameDuration);
 
     mTrainingWindow->checkReferenceAvailable();
     mDialogueWindow->checkReferenceAvailable();