examples/simple-visuals-control/simple-visuals-application.cpp

   1 /*
   2  * Copyright (c) 2020 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 // CLASS HEADER
  18 #include "my-control.h"
  19
  20 // EXTERNAL INCLUDES
  21 #include <dali-toolkit/dali-toolkit.h>
  22 #include <dali-toolkit/devel-api/controls/table-view/table-view.h>
  23 #include <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
  24 #include <dali/integration-api/events/touch-event-integ.h>
  25 #include <cstdio>
  26 #include <sstream>
  27
  28 // INTERNAL INCLUDES
  29 #include "simple-visuals-application.h"
  30
  31 using namespace Dali;
  32 using namespace Dali::Toolkit;
  33
  34 namespace
  35 {
  36 }
  37
  38 namespace Demo
  39 {
  40 const char* ICON_IMAGE(DEMO_IMAGE_DIR "application-icon-13.png");
  41
  42 SimpleVisualsApplication::SimpleVisualsApplication(Application& application)
  43 : mApplication(application),
  44   mMyControl()
  45 {
  46   application.InitSignal().Connect(this, &SimpleVisualsApplication::Create);
  47 }
  48
  49 Dali::Actor SimpleVisualsApplication::OnKeyboardPreFocusChange(Dali::Actor current, Dali::Actor proposed, Dali::Toolkit::Control::KeyboardFocus::Direction direction)
  50 {
  51   Actor nextFocusActor = proposed;
  52
  53   if(!current && !proposed)
  54   {
  55     // Set the initial focus to the first tile in the current page should be focused.
  56     nextFocusActor = mMyControl;
  57   }
  58   else
  59   {
  60     if(current == mMyControl)
  61     {
  62       nextFocusActor = mMyControl2;
  63     }
  64     else
  65     {
  66       nextFocusActor = mMyControl;
  67     }
  68   }
  69
  70   return nextFocusActor;
  71 }
  72
  73 void SimpleVisualsApplication::OnKeyEvent(const KeyEvent& keyEvent)
  74 {
  75   static int keyPressed = 0;
  76
  77   if(keyEvent.GetState() == KeyEvent::DOWN)
  78   {
  79     if(keyPressed == 0) // Is this the first down event?
  80     {
  81       printf("Key pressed: %s %d\n", keyEvent.GetKeyName().c_str(), keyEvent.GetKeyCode());
  82
  83       if(IsKey(keyEvent, DALI_KEY_ESCAPE) || IsKey(keyEvent, DALI_KEY_BACK))
  84       {
  85         mApplication.Quit();
  86       }
  87       else if(keyEvent.GetKeyName().compare("Return") == 0)
  88       {
  89       }
  90     }
  91     keyPressed = 1;
  92   }
  93   else if(keyEvent.GetState() == KeyEvent::UP)
  94   {
  95     keyPressed = 0;
  96   }
  97 }
  98
  99 void SimpleVisualsApplication::Create(Application& application)
 100 {
 101   Window window = application.GetWindow();
 102   window.SetBackgroundColor(Vector4(0.1f, 0.1f, 0.1f, 1.0f));
 103
 104   // Connect to key events so can quit application
 105   window.KeyEventSignal().Connect(this, &SimpleVisualsApplication::OnKeyEvent);
 106
 107   // Create a table view to parent the 2 MyControls
 108   TableView contentLayout = TableView::New(2, 2);
 109   contentLayout.SetProperty(Dali::Actor::Property::NAME, "ContentLayout");
 110   contentLayout.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 111   contentLayout.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT);
 112   contentLayout.SetProperty(Actor::Property::SIZE_MODE_FACTOR, Vector3(1.0f, .5f, 1.0f));
 113   contentLayout.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
 114   contentLayout.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
 115   contentLayout.SetCellPadding(Vector2(50.0f, 15.0f));
 116   contentLayout.SetBackgroundColor(Vector4(0.949, 0.949, 0.949, 1.0));
 117
 118   // Listen to focus change so can see Visual change from NORMAL to FOCUSED state
 119   KeyboardFocusManager::Get().PreFocusChangeSignal().Connect(this, &SimpleVisualsApplication::OnKeyboardPreFocusChange);
 120
 121   window.Add(contentLayout);
 122
 123   // Create 2 MyControls and add to table view.
 124   mMyControl = MyControl::New();
 125   mMyControl.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 126   mMyControl.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 127
 128   mMyControl2 = MyControl::New();
 129   mMyControl2.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 130   mMyControl2.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
 131
 132   contentLayout.AddChild(mMyControl2, TableView::CellPosition(0, 0));
 133   contentLayout.AddChild(mMyControl, TableView::CellPosition(0, 1));
 134 }
 135
 136 } // namespace Demo