xbmc/dialogs/GUIDialogSlider.cpp

   1 /*
   2  *      Copyright (C) 2005-2013 Team XBMC
   3  *      http://xbmc.org
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This Program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with XBMC; see the file COPYING.  If not, see
  17  *  <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "GUIDialogSlider.h"
  22 #include "guilib/GUISliderControl.h"
  23 #include "guilib/GUIWindowManager.h"
  24 #include "guilib/Key.h"
  25 #include "guilib/LocalizeStrings.h"
  26
  27 #define CONTROL_HEADING 10
  28 #define CONTROL_SLIDER  11
  29 #define CONTROL_LABEL   12
  30
  31 CGUIDialogSlider::CGUIDialogSlider(void)
  32     : CGUIDialog(WINDOW_DIALOG_SLIDER, "DialogSlider.xml")
  33 {
  34   m_callback = NULL;
  35   m_callbackData = NULL;
  36   m_loadType = KEEP_IN_MEMORY;
  37 }
  38
  39 CGUIDialogSlider::~CGUIDialogSlider(void)
  40 {
  41 }
  42
  43 bool CGUIDialogSlider::OnAction(const CAction &action)
  44 {
  45   if (action.GetID() == ACTION_SELECT_ITEM)
  46   {
  47     Close();
  48     return true;
  49   }
  50   return CGUIDialog::OnAction(action);
  51 }
  52
  53 bool CGUIDialogSlider::OnMessage(CGUIMessage& message)
  54 {
  55   switch ( message.GetMessage() )
  56   {
  57   case GUI_MSG_CLICKED:
  58     if (message.GetSenderId() == CONTROL_SLIDER)
  59     {
  60       CGUISliderControl *slider = (CGUISliderControl *)GetControl(CONTROL_SLIDER);
  61       if (slider && m_callback)
  62       {
  63         m_callback->OnSliderChange(m_callbackData, slider);
  64         SET_CONTROL_LABEL(CONTROL_LABEL, slider->GetDescription());
  65       }
  66     }
  67     break;
  68   case GUI_MSG_WINDOW_DEINIT:
  69     m_callback = NULL;
  70     m_callbackData = NULL;
  71     break;
  72   }
  73   return CGUIDialog::OnMessage(message);
  74 }
  75
  76 void CGUIDialogSlider::SetSlider(const CStdString &label, float value, float min, float delta, float max, ISliderCallback *callback, void *callbackData)
  77 {
  78   SET_CONTROL_LABEL(CONTROL_HEADING, label);
  79   CGUISliderControl *slider = (CGUISliderControl *)GetControl(CONTROL_SLIDER);
  80   m_callback = callback;
  81   m_callbackData = callbackData;
  82   if (slider)
  83   {
  84     slider->SetType(SPIN_CONTROL_TYPE_FLOAT);
  85     slider->SetFloatRange(min, max);
  86     slider->SetFloatInterval(delta);
  87     slider->SetFloatValue(value);
  88     if (m_callback)
  89     {
  90       m_callback->OnSliderChange(m_callbackData, slider);
  91       SET_CONTROL_LABEL(CONTROL_LABEL, slider->GetDescription());
  92     }
  93   }
  94 }
  95
  96 void CGUIDialogSlider::OnWindowLoaded()
  97 {
  98   // ensure our callbacks are NULL, incase we were loaded via some non-standard means
  99   m_callback = NULL;
 100   m_callbackData = NULL;
 101   CGUIDialog::OnWindowLoaded();
 102 }
 103
 104 void CGUIDialogSlider::ShowAndGetInput(const CStdString &label, float value, float min, float delta, float max, ISliderCallback *callback, void *callbackData)
 105 {
 106   // grab the slider dialog
 107   CGUIDialogSlider *slider = (CGUIDialogSlider *)g_windowManager.GetWindow(WINDOW_DIALOG_SLIDER);
 108   if (!slider)
 109     return;
 110
 111   // set the label and value
 112   slider->Initialize();
 113   slider->SetSlider(label, value, min, delta, max, callback, callbackData);
 114   slider->DoModal();
 115 }
 116
 117 void CGUIDialogSlider::Display(int label, float value, float min, float delta, float max, ISliderCallback *callback)
 118 {
 119   // grab the slider dialog
 120   CGUIDialogSlider *slider = (CGUIDialogSlider *)g_windowManager.GetWindow(WINDOW_DIALOG_SLIDER);
 121   if (!slider)
 122     return;
 123
 124   // set the label and value
 125   slider->Initialize();
 126   slider->SetAutoClose(1000);
 127   slider->SetSlider(g_localizeStrings.Get(label), value, min, delta, max, callback, NULL);
 128   slider->Show();
 129 }