From 2e6f85ec430f18a6becaf764a8ea2fe665abc668 Mon Sep 17 00:00:00 2001
From: Seoyeon Kim <seoyeon2.kim@samsung.com>
Date: Fri, 22 Nov 2019 13:56:12 +0900
Subject: [PATCH] [Tizen] Support to get KeyCode dynamically using xkbcommon
 API

Change-Id: I82ff180cc1f44f411620086053232ba335ec3804
Signed-off-by: Seoyeon Kim <seoyeon2.kim@samsung.com>
---
 .../ecore-wl2/window-base-ecore-wl2.cpp            | 86 +++++++++++++++++++++-
 .../ecore-wl2/window-base-ecore-wl2.h              |  1 +
 2 files changed, 85 insertions(+), 2 deletions(-)

diff --git a/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.cpp b/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.cpp
index 3fbda3a..2bc4847 100755
--- a/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.cpp
+++ b/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.cpp
@@ -63,6 +63,13 @@ const char* BUS = "org.enlightenment.wm-screen-reader";
 const char* INTERFACE = "org.tizen.GestureNavigation";
 const char* PATH = "/org/tizen/GestureNavigation";
 
+struct KeyCodeMap
+{
+  xkb_keysym_t keySym;
+  xkb_keycode_t keyCode;
+  bool isKeyCode;
+};
+
 /**
  * Get the device name from the provided ecore key event
  */
@@ -198,6 +205,67 @@ void GetDeviceSubclass( Ecore_Device_Subclass ecoreDeviceSubclass, Device::Subcl
   }
 }
 
+static void FindKeyCode( struct xkb_keymap* keyMap, xkb_keycode_t key, void* data )
+{
+  KeyCodeMap* foundKeyCode = static_cast< KeyCodeMap* >( data );
+  if( foundKeyCode->isKeyCode )
+  {
+    return;
+  }
+
+  xkb_keysym_t keySym = foundKeyCode->keySym;
+  int nsyms = 0;
+  const xkb_keysym_t* symsOut = NULL;
+
+  nsyms = xkb_keymap_key_get_syms_by_level( keyMap, key, 0, 0, &symsOut );
+
+  if( nsyms && symsOut )
+  {
+    if( *symsOut == keySym )
+    {
+      foundKeyCode->keyCode = key;
+      foundKeyCode->isKeyCode = true;
+    }
+  }
+}
+
+static void GetKeyCode( std::string keyName, int32_t& keyCode )
+{
+  xkb_keymap* keyMap = NULL;
+  xkb_keysym_t sym = XKB_KEY_NoSymbol;
+  KeyCodeMap foundKeyCode;
+
+  Ecore_Wl2_Input* ecoreWlInput = NULL;
+
+  Ecore_Wl2_Display* display = ecore_wl2_connected_display_get( NULL );
+  ecoreWlInput = ecore_wl2_input_default_input_get( display );
+
+  if( !ecoreWlInput )
+  {
+    DALI_LOG_ERROR( "Failed to get Ecore_Wl2_Input in WindowBaseEcoreWl2\n" );
+    return;
+  }
+
+  keyMap = ecore_wl2_input_keymap_get( ecoreWlInput );
+  if( !keyMap )
+  {
+    DALI_LOG_ERROR( "Failed to get keymap in WindowBaseEcoreWl2\n" );
+    return;
+  }
+
+  sym = xkb_keysym_from_name( keyName.c_str(), XKB_KEYSYM_NO_FLAGS );
+  if( sym == XKB_KEY_NoSymbol )
+  {
+    DALI_LOG_ERROR( "Failed to get keysym in WindowBaseEcoreWl2\n" );
+    return;
+  }
+
+  foundKeyCode.keySym = sym;
+  foundKeyCode.isKeyCode = false;
+  xkb_keymap_key_for_each( keyMap, FindKeyCode, &foundKeyCode );
+  keyCode = static_cast< int32_t >( foundKeyCode.keyCode );
+}
+
 /////////////////////////////////////////////////////////////////////////////////////////////////
 // Window Callbacks
 /////////////////////////////////////////////////////////////////////////////////////////////////
@@ -1078,7 +1146,14 @@ void WindowBaseEcoreWl2::OnKeyDown( void* data, int type, void* event )
       logicalKey = keyEvent->key;
     }
 
-    int keyCode = KeyLookup::GetDaliKeyCode( keyEvent->keyname );
+    int keyCode = 0;
+    GetKeyCode( keyName, keyCode );
+
+    if( keyCode == 0 )
+    {
+      keyCode = KeyLookup::GetDaliKeyCode( keyEvent->keyname );
+    }
+
     keyCode = ( keyCode == -1 ) ? 0 : keyCode;
     int modifier( keyEvent->modifiers );
     unsigned long time = keyEvent->timestamp;
@@ -1132,7 +1207,14 @@ void WindowBaseEcoreWl2::OnKeyUp( void* data, int type, void* event )
       logicalKey = keyEvent->key;
     }
 
-    int keyCode = KeyLookup::GetDaliKeyCode( keyEvent->keyname );
+    int keyCode = 0;
+    GetKeyCode( keyName, keyCode );
+
+    if( keyCode == 0 )
+    {
+      keyCode = KeyLookup::GetDaliKeyCode( keyEvent->keyname );
+    }
+
     keyCode = ( keyCode == -1 ) ? 0 : keyCode;
     int modifier( keyEvent->modifiers );
     unsigned long time = keyEvent->timestamp;
diff --git a/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.h b/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.h
index 639ca88..ad6b805 100644
--- a/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.h
+++ b/dali/internal/window-system/tizen-wayland/ecore-wl2/window-base-ecore-wl2.h
@@ -26,6 +26,7 @@
 #include <Ecore_Wl2.h>
 #include <tizen-extension-client-protocol.h>
 #include <wayland-egl.h>
+#include <xkbcommon/xkbcommon.h>
 
 #ifdef DALI_ELDBUS_AVAILABLE
 #include <Eldbus.h>
-- 
2.7.4