From 120ef46ea296729baee0c88c046008d8e18644fa Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 11 May 2013 22:25:21 +0300
Subject: Add ability to show onscreen keyboard if input field focused.

---
 src/client.cpp                |  5 +++--
 src/client.h                  |  4 ++++
 src/gui/chatwindow.cpp        |  6 +++---
 src/gui/widgets/popuplist.h   |  2 +-
 src/gui/widgets/textfield.cpp | 20 ++++++++++++++++++++
 src/gui/widgets/textfield.h   |  6 ++++++
 6 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/src/client.cpp b/src/client.cpp
index f02759c01..8dd2e663a 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -298,7 +298,8 @@ Client::Client(const Options &options) :
     mFpsManager(),
     mSkin(nullptr),
     mButtonPadding(1),
-    mButtonSpacing(3)
+    mButtonSpacing(3),
+    mKeyboardHeight(0)
 {
     mInstance = this;
 
@@ -2931,7 +2932,7 @@ void Client::windowRemoved(const Window *const window)
 
 void Client::updateScreenKeyboard(int height A_UNUSED)
 {
-//    logger->log("keyboard height: %d", height);
+    instance()->mKeyboardHeight = height;
 }
 
 void Client::checkConfigVersion()
diff --git a/src/client.h b/src/client.h
index 733bc21e8..c321cd385 100644
--- a/src/client.h
+++ b/src/client.h
@@ -291,6 +291,9 @@ public:
                        const bool always = false)
     { instance()->resizeVideo(width, height, always); }
 
+    static bool isKeyboardVisible()
+    { return instance()->mKeyboardHeight > 1; }
+
     static void setGuiAlpha(const float n);
 
     static float getGuiAlpha() A_WARN_UNUSED;
@@ -422,6 +425,7 @@ private:
     Skin *mSkin;
     int mButtonPadding;
     int mButtonSpacing;
+    int mKeyboardHeight;
 };
 
 #endif  // CLIENT_H
diff --git a/src/gui/chatwindow.cpp b/src/gui/chatwindow.cpp
index 19555e90d..0e043ea71 100644
--- a/src/gui/chatwindow.cpp
+++ b/src/gui/chatwindow.cpp
@@ -73,12 +73,11 @@
 /**
  * The chat input hides when it loses focus. It is also invisible by default.
  */
-class ChatInput final : public TextField, public gcn::FocusListener
+class ChatInput final : public TextField
 {
     public:
         ChatInput(ChatWindow *const window, TabbedArea *const tabs):
             TextField(window, "", false),
-            gcn::FocusListener(),
             mWindow(window),
             mChatTabs(tabs),
             mFocusGaining(false)
@@ -93,8 +92,9 @@ class ChatInput final : public TextField, public gcn::FocusListener
          * Called if the chat input loses focus. It will set itself to
          * invisible as result.
          */
-        void focusLost(const gcn::Event &event A_UNUSED)
+        void focusLost(const gcn::Event &event)
         {
+            TextField::focusLost(event);
             if (mFocusGaining || !config.getBoolValue("protectChatFocus"))
             {
                 processVisible(false);
diff --git a/src/gui/widgets/popuplist.h b/src/gui/widgets/popuplist.h
index 5e0f4f260..59e04df63 100644
--- a/src/gui/widgets/popuplist.h
+++ b/src/gui/widgets/popuplist.h
@@ -25,7 +25,7 @@
 #include "gui/widgets/popup.h"
 
 #include <guichan/actionlistener.hpp>
-#include "guichan/focuslistener.hpp"
+#include <guichan/focuslistener.hpp>
 #include <guichan/listmodel.hpp>
 
 #include "localconsts.h"
diff --git a/src/gui/widgets/textfield.cpp b/src/gui/widgets/textfield.cpp
index 73e01fb63..5d0621e1e 100644
--- a/src/gui/widgets/textfield.cpp
+++ b/src/gui/widgets/textfield.cpp
@@ -24,6 +24,7 @@
 
 #include "client.h"
 #include "configuration.h"
+#include "inputmanager.h"
 #include "keyevent.h"
 
 #include "gui/popupmenu.h"
@@ -51,6 +52,7 @@ TextField::TextField(const Widget2 *const widget,
                      gcn::ActionListener *const listener, std::string eventId,
                      const bool sendAlwaysEvents):
     gcn::TextField(text),
+    gcn::FocusListener(),
     Widget2(widget),
     mSendAlwaysEvents(sendAlwaysEvents),
     mNumeric(false),
@@ -66,6 +68,8 @@ TextField::TextField(const Widget2 *const widget,
     setFrameSize(2);
     mForegroundColor = getThemeColor(Theme::TEXTFIELD);
 
+    addFocusListener(this);
+
     if (instances == 0)
     {
         if (Theme::instance())
@@ -529,6 +533,10 @@ void TextField::fontChanged()
 
 void TextField::mousePressed(gcn::MouseEvent &mouseEvent)
 {
+#ifdef ANDROID
+    if (!Client::isKeyboardVisible())
+        inputManager.executeAction(Input::KEY_SHOW_KEYBOARD);
+#endif
     if (mouseEvent.getButton() == gcn::MouseEvent::RIGHT)
     {
         if (viewport)
@@ -550,3 +558,15 @@ void TextField::mousePressed(gcn::MouseEvent &mouseEvent)
         gcn::TextField::mousePressed(mouseEvent);
     }
 }
+
+void TextField::focusGained(const gcn::Event &event A_UNUSED)
+{
+#ifdef ANDROID
+    if (!Client::isKeyboardVisible())
+        inputManager.executeAction(Input::KEY_SHOW_KEYBOARD);
+#endif
+}
+
+void TextField::focusLost(const gcn::Event &event A_UNUSED)
+{
+}
diff --git a/src/gui/widgets/textfield.h b/src/gui/widgets/textfield.h
index 0c30fc819..0569d5d30 100644
--- a/src/gui/widgets/textfield.h
+++ b/src/gui/widgets/textfield.h
@@ -25,6 +25,7 @@
 
 #include "gui/widgets/widget2.h"
 
+#include <guichan/focuslistener.hpp>
 #include <guichan/widgets/textfield.hpp>
 
 #include "localconsts.h"
@@ -39,6 +40,7 @@ class TextField;
  * \ingroup GUI
  */
 class TextField : public gcn::TextField,
+                  public gcn::FocusListener,
                   public Widget2
 {
     public:
@@ -122,6 +124,10 @@ class TextField : public gcn::TextField,
 
         void handleCopy() const;
 
+        void focusGained(const gcn::Event &event);
+
+        void focusLost(const gcn::Event &event);
+
     protected:
         void drawCaret(gcn::Graphics* graphics, int x) override;
 
-- 
cgit v1.2.3-70-g09d2