dali/internal/event/events/key-event-processor.cpp

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/event/events/key-event-processor.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/integration-api/events/key-event-integ.h>
  23 #include <dali/integration-api/trace.h>
  24 #include <dali/internal/event/common/scene-impl.h>
  25 #include <dali/internal/event/events/key-event-impl.h>
  26 #include <dali/public-api/events/key-event.h>
  27
  28 namespace Dali
  29 {
  30 namespace Internal
  31 {
  32 namespace
  33 {
  34 DALI_INIT_TRACE_FILTER(gTraceFilter, DALI_TRACE_PERFORMANCE_MARKER, false);
  35 } // namespace
  36
  37 KeyEventProcessor::KeyEventProcessor(Scene& scene)
  38 : mScene(scene)
  39 {
  40 }
  41
  42 KeyEventProcessor::~KeyEventProcessor() = default;
  43
  44 void KeyEventProcessor::ProcessKeyEvent(const Integration::KeyEvent& event)
  45 {
  46   KeyEventPtr    keyEvent(new KeyEvent(event.keyName, event.logicalKey, event.keyString, event.keyCode, event.keyModifier, event.time, static_cast<Dali::KeyEvent::State>(event.state), event.compose, event.deviceName, event.deviceClass, event.deviceSubclass));
  47   Dali::KeyEvent keyEventHandle(keyEvent.Get());
  48
  49 #ifdef TRACE_ENABLED
  50   std::ostringstream stream;
  51   if(gTraceFilter->IsTraceEnabled())
  52   {
  53     stream << "DALI_PROCESS_KEY_EVENT [" << event.keyName << ", " << event.state << "]";
  54     DALI_TRACE_BEGIN(gTraceFilter, stream.str().c_str());
  55   }
  56 #endif
  57
  58   // Emit the key event signal from the scene.
  59   bool consumed = mScene.EmitInterceptKeyEventSignal(keyEventHandle);
  60   if(!consumed)
  61   {
  62     consumed = mScene.EmitKeyEventGeneratedSignal(keyEventHandle);
  63   }
  64   if(!consumed)
  65   {
  66     mScene.EmitKeyEventSignal(keyEventHandle);
  67   }
  68
  69 #ifdef TRACE_ENABLED
  70   if(gTraceFilter->IsTraceEnabled())
  71   {
  72     DALI_TRACE_END(gTraceFilter, stream.str().c_str());
  73   }
  74 #endif
  75 }
  76
  77 } // namespace Internal
  78
  79 } // namespace Dali