From 8aa68056aec80c775a3ddb152bea8a90a7097199 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Mon, 1 Dec 2014 23:59:31 +0300
Subject: Add actions for switch to next/prev tab in inventory.

Keys not assigned.
---
 src/gui/widgets/basiccontainer.cpp  | 10 ++++++++++
 src/gui/widgets/basiccontainer.h    |  3 +++
 src/gui/widgets/tabstrip.cpp        | 38 +++++++++++++++++++++++++++++++++++++
 src/gui/widgets/tabstrip.h          |  4 ++++
 src/gui/windows/inventorywindow.cpp | 28 +++++++++++++++++++++++++++
 src/gui/windows/inventorywindow.h   |  6 ++++++
 6 files changed, 89 insertions(+)

(limited to 'src/gui')

diff --git a/src/gui/widgets/basiccontainer.cpp b/src/gui/widgets/basiccontainer.cpp
index 4803373f2..a66a244a0 100644
--- a/src/gui/widgets/basiccontainer.cpp
+++ b/src/gui/widgets/basiccontainer.cpp
@@ -372,3 +372,13 @@ void BasicContainer::setInternalFocusHandler(FocusHandler* focusHandler)
             (*iter)->setFocusHandler(mInternalFocusHandler);
     }
 }
+
+Widget *BasicContainer::findFirstWidget(const std::set<Widget*> &list)
+{
+    FOR_EACHR (WidgetListReverseIterator, iter, mWidgets)
+    {
+        if (list.find(*iter) != list.end())
+            return *iter;
+    }
+    return nullptr;
+}
diff --git a/src/gui/widgets/basiccontainer.h b/src/gui/widgets/basiccontainer.h
index 85067daff..47fa2abc1 100644
--- a/src/gui/widgets/basiccontainer.h
+++ b/src/gui/widgets/basiccontainer.h
@@ -64,6 +64,7 @@
 #ifndef GUI_WIDGETS_BASICCONTAINER_H
 #define GUI_WIDGETS_BASICCONTAINER_H
 
+#include <set>
 #include <vector>
 
 #include "gui/widgets/widget.h"
@@ -134,6 +135,8 @@ class BasicContainer notfinal : public Widget,
 
         virtual void death(const Event& event) override;
 
+        Widget *findFirstWidget(const std::set<Widget*> &list);
+
     protected:
         /**
           * Adds a widget to the basic container.
diff --git a/src/gui/widgets/tabstrip.cpp b/src/gui/widgets/tabstrip.cpp
index 7c6627fbf..644fa3d48 100644
--- a/src/gui/widgets/tabstrip.cpp
+++ b/src/gui/widgets/tabstrip.cpp
@@ -77,3 +77,41 @@ void TabStrip::action(const ActionEvent &event)
         }
     }
 }
+
+void TabStrip::nextTab()
+{
+    FOR_EACH (WidgetListConstIterator, iter, mWidgets)
+    {
+        Button *button = static_cast<Button*>(*iter);
+        if (button->isPressed2())
+        {
+            button->setPressed(false);
+            ++iter;
+            if (iter == mWidgets.end())
+                iter = mWidgets.begin();
+            button = static_cast<Button*>(*iter);
+            action(ActionEvent(button, button->getActionEventId()));
+            return;
+        }
+    }
+}
+
+void TabStrip::prevTab()
+{
+    FOR_EACH (WidgetListConstIterator, iter, mWidgets)
+    {
+        Button *button = static_cast<Button*>(*iter);
+        if (button->isPressed2())
+        {
+            button->setPressed(false);
+            if (iter == mWidgets.begin())
+                iter = mWidgets.end();
+            if (iter == mWidgets.begin())
+                return;
+            --iter;
+            button = static_cast<Button*>(*iter);
+            action(ActionEvent(button, button->getActionEventId()));
+            return;
+        }
+    }
+}
diff --git a/src/gui/widgets/tabstrip.h b/src/gui/widgets/tabstrip.h
index a89dd5144..daadad35c 100644
--- a/src/gui/widgets/tabstrip.h
+++ b/src/gui/widgets/tabstrip.h
@@ -41,6 +41,10 @@ class TabStrip final : public WidgetGroup
                              const override final A_WARN_UNUSED;
 
         void action(const ActionEvent &event) override final;
+
+        void nextTab();
+
+        void prevTab();
 };
 
 #endif  // GUI_WIDGETS_TABSTRIP_H
diff --git a/src/gui/windows/inventorywindow.cpp b/src/gui/windows/inventorywindow.cpp
index c1fea4158..ea3cc5ad3 100644
--- a/src/gui/windows/inventorywindow.cpp
+++ b/src/gui/windows/inventorywindow.cpp
@@ -54,6 +54,7 @@
 #include "gui/widgets/scrollarea.h"
 #include "gui/widgets/tabstrip.h"
 #include "gui/widgets/textfield.h"
+#include "gui/widgets/windowcontainer.h"
 
 #include "net/inventoryhandler.h"
 
@@ -746,6 +747,33 @@ bool InventoryWindow::isAnyInputFocused()
     return false;
 }
 
+InventoryWindow *InventoryWindow::getFirstVisible()
+{
+    std::set<Widget*> list;
+    FOR_EACH (WindowList::const_iterator, it, invInstances)
+    {
+        if ((*it) && (*it)->isWindowVisible())
+            list.insert(*it);
+    }
+    InventoryWindow *const window = dynamic_cast<InventoryWindow*>(
+        windowContainer->findFirstWidget(list));
+    return window;
+}
+
+void InventoryWindow::nextTab()
+{
+    InventoryWindow *const window = getFirstVisible();
+    if (window)
+        window->mFilter->nextTab();
+}
+
+void InventoryWindow::prevTab()
+{
+    InventoryWindow *const window = getFirstVisible();
+    if (window)
+        window->mFilter->prevTab();
+}
+
 void InventoryWindow::widgetResized(const Event &event)
 {
     Window::widgetResized(event);
diff --git a/src/gui/windows/inventorywindow.h b/src/gui/windows/inventorywindow.h
index 98cac78a6..f2952c2f5 100644
--- a/src/gui/windows/inventorywindow.h
+++ b/src/gui/windows/inventorywindow.h
@@ -156,6 +156,12 @@ class InventoryWindow final : public Window,
 
         static bool isAnyInputFocused();
 
+        static InventoryWindow *getFirstVisible();
+
+        static void nextTab();
+
+        static void prevTab();
+
     private:
         /**
          * Updates the weight bar.
-- 
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