src/preferences/touchpad/TouchpadPrefView.h

   1 /*
   2  * Copyright 2008-2013 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              John Scipione, jscipione@gmail.com
   7  *              Clemens Zeidler, haiku@Clemens-Zeidler.de
   8  */
   9 #ifndef TOUCHPAD_PREF_VIEW_H
  10 #define TOUCHPAD_PREF_VIEW_H
  11
  12
  13 #include <Bitmap.h>
  14 #include <Button.h>
  15 #include <CheckBox.h>
  16 #include <Invoker.h>
  17 #include <Slider.h>
  18 #include <View.h>
  19 #include <GroupView.h>
  20
  21 #include "TouchpadPref.h"
  22 #include "touchpad_settings.h"
  23
  24 #include <Debug.h>
  25
  26 #if DEBUG
  27 #       define LOG(text...) PRINT((text))
  28 #else
  29 #       define LOG(text...)
  30 #endif
  31
  32 const uint SCROLL_AREA_CHANGED = '&sac';
  33 const uint SCROLL_CONTROL_CHANGED = '&scc';
  34 const uint TAP_CONTROL_CHANGED = '&tcc';
  35 const uint DEFAULT_SETTINGS = '&dse';
  36 const uint REVERT_SETTINGS = '&rse';
  37
  38
  39 //! Shows a touchpad
  40 class TouchpadView : public BView, public BInvoker {
  41 public:
  42                                                         TouchpadView(BRect frame);
  43         virtual                                 ~TouchpadView();
  44         virtual void                    Draw(BRect updateRect);
  45         virtual void                    MouseDown(BPoint point);
  46         virtual void                    MouseUp(BPoint point);
  47         virtual void                    MouseMoved(BPoint point, uint32 transit,
  48                                                                 const BMessage* dragMessage);
  49
  50         virtual void                    AttachedToWindow();
  51         virtual void                    GetPreferredSize(float* width, float* height);
  52
  53                         void                    SetValues(float rightRange, float bottomRange);
  54                         float                   GetRightScrollRatio()
  55                                                                 { return 1 - fXScrollRange / fPadRect.Width(); }
  56                         float                   GetBottomScrollRatio()
  57                                                                 { return 1
  58                                                                         - fYScrollRange / fPadRect.Height(); }
  59 private:
  60         virtual void                    DrawSliders();
  61
  62                         BRect                   fPrefRect;
  63                         BRect                   fPadRect;
  64                         BRect                   fXScrollDragZone;
  65                         BRect                   fXScrollDragZone1;
  66                         BRect                   fXScrollDragZone2;
  67                         float                   fXScrollRange;
  68                         float                   fOldXScrollRange;
  69                         BRect                   fYScrollDragZone;
  70                         BRect                   fYScrollDragZone1;
  71                         BRect                   fYScrollDragZone2;
  72                         float                   fYScrollRange;
  73                         float                   fOldYScrollRange;
  74
  75                         bool                    fXTracking;
  76                         bool                    fYTracking;
  77                         BView*                  fOffScreenView;
  78                         BBitmap*                fOffScreenBitmap;
  79 };
  80
  81
  82 class TouchpadPrefView : public BGroupView {
  83 public:
  84                                                         TouchpadPrefView();
  85         virtual                                 ~TouchpadPrefView();
  86         virtual void                    MessageReceived(BMessage* message);
  87         virtual void                    AttachedToWindow();
  88         virtual void                    DetachedFromWindow();
  89                         void                    SetupView();
  90
  91                         void                    SetValues(touchpad_settings *settings);
  92
  93 private:
  94                         TouchpadView*   fTouchpadView;
  95                         BCheckBox*              fTwoFingerBox;
  96                         BCheckBox*              fTwoFingerHorizontalBox;
  97                         BSlider*                fScrollStepXSlider;
  98                         BSlider*                fScrollStepYSlider;
  99                         BSlider*                fScrollAccelSlider;
 100                         BSlider*                fTapSlider;
 101                         BButton*                fDefaultButton;
 102                         BButton*                fRevertButton;
 103
 104                         TouchpadPref    fTouchpadPref;
 105 };
 106
 107
 108 #endif  // TOUCHPAD_PREF_VIEW_H