Fix svace issue in TextField, TextEditor

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-editor-impl.cpp

diff --git a/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp b/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp
index 090bf9a..0bdc8c1 100644 (file)
--- a/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp
+++ b/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp
@@ -159,7 +159,8 @@ DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MA
 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
-
+DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
+DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 
 DALI_TYPE_REGISTRATION_END()
 // clang-format on
@@ -1263,6 +1264,35 @@ void TextEditor::SelectText(const uint32_t start, const uint32_t end)
   }
 }
 
+string TextEditor::CopyText()
+{
+  string copiedText = "";
+  if(mController && mController->IsShowingRealText())
+  {
+    copiedText = mController->CopyText();
+  }
+  return copiedText;
+}
+
+string TextEditor::CutText()
+{
+  string cutText = "";
+  if(mController && mController->IsShowingRealText())
+  {
+    cutText = mController->CutText();
+  }
+  return cutText;
+}
+
+void TextEditor::PasteText()
+{
+  if(mController)
+  {
+    SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
+    mController->PasteText();
+  }
+}
+
 void TextEditor::ScrollBy(Vector2 scroll)
 {
   if(mController && mController->IsShowingRealText())
@@ -1324,6 +1354,16 @@ DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
   return mInputFilteredSignal;
 }
 
+DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
+{
+  return mSelectionChangedSignal;
+}
+
+DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
+{
+  return mSelectionClearedSignal;
+}
+
 Text::ControllerPtr TextEditor::GetTextController()
 {
   return mController;
@@ -1376,6 +1416,22 @@ bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface*
       editorImpl.InputFilteredSignal().Connect(tracker, functor);
     }
   }
+  else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
+  {
+    if(editor)
+    {
+      Internal::TextEditor& editorImpl(GetImpl(editor));
+      editorImpl.SelectionChangedSignal().Connect(tracker, functor);
+    }
+  }
+  else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
+  {
+    if(editor)
+    {
+      Internal::TextEditor& editorImpl(GetImpl(editor));
+      editorImpl.SelectionClearedSignal().Connect(tracker, functor);
+    }
+  }
   else
   {
     // signalName does not match any signal
@@ -1441,6 +1497,7 @@ void TextEditor::OnInitialize()
   // Forward input events to controller
   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
   GetTapGestureDetector().SetMaximumTapsRequired(2);
+  GetTapGestureDetector().ReceiveAllTapEvents(true);
 
   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 
@@ -1613,6 +1670,16 @@ void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
     EmitCursorPositionChangedSignal();
   }
 
+  if(mSelectionChanged)
+  {
+    EmitSelectionChangedSignal();
+  }
+
+  if(mSelectionCleared)
+  {
+    EmitSelectionClearedSignal();
+  }
+
   // The text-editor emits signals when the input style changes. These changes of style are
   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
   // can't be emitted during the size negotiation as the callbacks may update the UI.
@@ -1985,6 +2052,43 @@ void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
   mInputFilteredSignal.Emit(handle, type);
 }
 
+void TextEditor::EmitSelectionChangedSignal()
+{
+  Dali::Toolkit::TextEditor handle(GetOwner());
+  mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
+  mSelectionChanged = false;
+}
+
+void TextEditor::EmitSelectionClearedSignal()
+{
+  Dali::Toolkit::TextEditor handle(GetOwner());
+  mSelectionClearedSignal.Emit(handle);
+  mSelectionCleared = false;
+}
+
+void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
+{
+  if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
+  {
+    if(newStart == newEnd)
+    {
+      mSelectionCleared = true;
+    }
+
+    mSelectionChanged  = true;
+    mOldSelectionStart = oldStart;
+    mOldSelectionEnd   = oldEnd;
+
+    if(mOldSelectionStart > mOldSelectionEnd)
+    {
+      //swap
+      uint32_t temp      = mOldSelectionStart;
+      mOldSelectionStart = mOldSelectionEnd;
+      mOldSelectionEnd   = temp;
+    }
+  }
+}
+
 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
 {
   if(actor)
@@ -2263,7 +2367,12 @@ TextEditor::TextEditor()
   mScrollBarEnabled(false),
   mScrollStarted(false),
   mTextChanged(false),
-  mCursorPositionChanged(false)
+  mCursorPositionChanged(false),
+  mSelectionChanged(false),
+  mSelectionCleared(false),
+  mOldPosition(0u),
+  mOldSelectionStart(0u),
+  mOldSelectionEnd(0u)
 {
 }