xbmc/dialogs/GUIDialogSlider.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "GUIDialogSlider.h"
  10
  11 #include "ServiceBroker.h"
  12 #include "guilib/GUIComponent.h"
  13 #include "guilib/GUISliderControl.h"
  14 #include "guilib/GUIWindowManager.h"
  15 #include "guilib/LocalizeStrings.h"
  16 #include "input/actions/Action.h"
  17 #include "input/actions/ActionIDs.h"
  18
  19 #define CONTROL_HEADING 10
  20 #define CONTROL_SLIDER  11
  21 #define CONTROL_LABEL   12
  22
  23 CGUIDialogSlider::CGUIDialogSlider(void)
  24     : CGUIDialog(WINDOW_DIALOG_SLIDER, "DialogSlider.xml")
  25 {
  26   m_callback = NULL;
  27   m_callbackData = NULL;
  28   m_loadType = KEEP_IN_MEMORY;
  29 }
  30
  31 CGUIDialogSlider::~CGUIDialogSlider(void) = default;
  32
  33 bool CGUIDialogSlider::OnAction(const CAction &action)
  34 {
  35   if (action.GetID() == ACTION_SELECT_ITEM)
  36   {
  37     Close();
  38     return true;
  39   }
  40   return CGUIDialog::OnAction(action);
  41 }
  42
  43 bool CGUIDialogSlider::OnMessage(CGUIMessage& message)
  44 {
  45   switch ( message.GetMessage() )
  46   {
  47   case GUI_MSG_CLICKED:
  48     if (message.GetSenderId() == CONTROL_SLIDER)
  49     {
  50       CGUISliderControl *slider = dynamic_cast<CGUISliderControl *>(GetControl(CONTROL_SLIDER));
  51       if (slider && m_callback)
  52       {
  53         m_callback->OnSliderChange(m_callbackData, slider);
  54         SET_CONTROL_LABEL(CONTROL_LABEL, slider->GetDescription());
  55       }
  56     }
  57     break;
  58   case GUI_MSG_WINDOW_DEINIT:
  59     m_callback = NULL;
  60     m_callbackData = NULL;
  61     break;
  62   }
  63   return CGUIDialog::OnMessage(message);
  64 }
  65
  66 void CGUIDialogSlider::SetSlider(const std::string &label, float value, float min, float delta, float max, ISliderCallback *callback, void *callbackData)
  67 {
  68   SET_CONTROL_LABEL(CONTROL_HEADING, label);
  69   CGUISliderControl *slider = dynamic_cast<CGUISliderControl *>(GetControl(CONTROL_SLIDER));
  70   m_callback = callback;
  71   m_callbackData = callbackData;
  72   if (slider)
  73   {
  74     slider->SetType(SLIDER_CONTROL_TYPE_FLOAT);
  75     slider->SetFloatRange(min, max);
  76     slider->SetFloatInterval(delta);
  77     slider->SetFloatValue(value);
  78     if (m_callback)
  79     {
  80       m_callback->OnSliderChange(m_callbackData, slider);
  81       SET_CONTROL_LABEL(CONTROL_LABEL, slider->GetDescription());
  82     }
  83   }
  84 }
  85
  86 void CGUIDialogSlider::OnWindowLoaded()
  87 {
  88   // ensure our callbacks are NULL, incase we were loaded via some non-standard means
  89   m_callback = NULL;
  90   m_callbackData = NULL;
  91   CGUIDialog::OnWindowLoaded();
  92 }
  93
  94 void CGUIDialogSlider::SetModalityType(DialogModalityType type)
  95 {
  96   m_modalityType = type;
  97 }
  98
  99 void CGUIDialogSlider::ShowAndGetInput(const std::string &label, float value, float min, float delta, float max, ISliderCallback *callback, void *callbackData)
 100 {
 101   // grab the slider dialog
 102   CGUIDialogSlider *slider = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogSlider>(WINDOW_DIALOG_SLIDER);
 103   if (!slider)
 104     return;
 105
 106   // set the label and value
 107   slider->Initialize();
 108   slider->SetSlider(label, value, min, delta, max, callback, callbackData);
 109   slider->SetModalityType(DialogModalityType::MODAL);
 110   slider->Open();
 111 }
 112
 113 void CGUIDialogSlider::Display(int label, float value, float min, float delta, float max, ISliderCallback *callback)
 114 {
 115   // grab the slider dialog
 116   CGUIDialogSlider *slider = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogSlider>(WINDOW_DIALOG_SLIDER);
 117   if (!slider)
 118     return;
 119
 120   // set the label and value
 121   slider->Initialize();
 122   slider->SetAutoClose(1000);
 123   slider->SetSlider(g_localizeStrings.Get(label), value, min, delta, max, callback, NULL);
 124   slider->SetModalityType(DialogModalityType::MODELESS);
 125   slider->Open();
 126 }