| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/osx/cocoa/slider.mm |
| 3 | // Purpose: wxSlider |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 1998-01-01 |
| 7 | // RCS-ID: $Id: slider.cpp 54129 2008-06-11 19:30:52Z SC $ |
| 8 | // Copyright: (c) Stefan Csomor |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #if wxUSE_SLIDER |
| 15 | |
| 16 | #include "wx/slider.h" |
| 17 | #include "wx/osx/private.h" |
| 18 | |
| 19 | @interface wxNSSlider : NSSlider |
| 20 | { |
| 21 | } |
| 22 | @end |
| 23 | |
| 24 | @implementation wxNSSlider |
| 25 | |
| 26 | + (void)initialize |
| 27 | { |
| 28 | static BOOL initialized = NO; |
| 29 | if (!initialized) |
| 30 | { |
| 31 | initialized = YES; |
| 32 | wxOSXCocoaClassAddWXMethods(self); |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | @end |
| 37 | |
| 38 | class wxSliderCocoaImpl : public wxWidgetCocoaImpl |
| 39 | { |
| 40 | public : |
| 41 | wxSliderCocoaImpl(wxWindowMac* peer , WXWidget w) : |
| 42 | wxWidgetCocoaImpl(peer, w) |
| 43 | { |
| 44 | } |
| 45 | |
| 46 | ~wxSliderCocoaImpl() |
| 47 | { |
| 48 | } |
| 49 | |
| 50 | virtual void controlAction(WXWidget slf, void* _cmd, void *sender); |
| 51 | virtual void mouseEvent(WX_NSEvent event, WXWidget slf, void* _cmd); |
| 52 | }; |
| 53 | |
| 54 | // we will have a mouseDown, then in the native |
| 55 | // implementation of mouseDown the tracking code |
| 56 | // is calling clickedAction, therefore we wire this |
| 57 | // to thumbtrack and only after super mouseDown |
| 58 | // returns we will call the thumbrelease |
| 59 | |
| 60 | void wxSliderCocoaImpl::controlAction( WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd), void *WXUNUSED(sender)) |
| 61 | { |
| 62 | wxWindow* wxpeer = (wxWindow*) GetWXPeer(); |
| 63 | if ( wxpeer ) |
| 64 | wxpeer->TriggerScrollEvent(wxEVT_SCROLL_THUMBTRACK); |
| 65 | } |
| 66 | |
| 67 | void wxSliderCocoaImpl::mouseEvent(WX_NSEvent event, WXWidget slf, void *_cmd) |
| 68 | { |
| 69 | wxWidgetCocoaImpl::mouseEvent(event, slf, _cmd); |
| 70 | |
| 71 | if ( strcmp( sel_getName((SEL) _cmd) , "mouseDown:") == 0 ) |
| 72 | { |
| 73 | wxWindow* wxpeer = (wxWindow*) GetWXPeer(); |
| 74 | if ( wxpeer ) |
| 75 | wxpeer->OSXHandleClicked(0); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | |
| 80 | |
| 81 | wxWidgetImplType* wxWidgetImpl::CreateSlider( wxWindowMac* wxpeer, |
| 82 | wxWindowMac* WXUNUSED(parent), |
| 83 | wxWindowID WXUNUSED(id), |
| 84 | wxInt32 value, |
| 85 | wxInt32 minimum, |
| 86 | wxInt32 maximum, |
| 87 | const wxPoint& pos, |
| 88 | const wxSize& size, |
| 89 | long style, |
| 90 | long WXUNUSED(extraStyle)) |
| 91 | { |
| 92 | NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ; |
| 93 | wxNSSlider* v = [[wxNSSlider alloc] initWithFrame:r]; |
| 94 | |
| 95 | int tickMarks = 0; |
| 96 | if ( style & wxSL_AUTOTICKS ) |
| 97 | { |
| 98 | tickMarks = (maximum - minimum) + 1; // +1 for the 0 value |
| 99 | |
| 100 | // keep the number of tickmarks from becoming unwieldly, therefore below it is ok to cast |
| 101 | // it to a UInt16 |
| 102 | while (tickMarks > 20) |
| 103 | tickMarks /= 5; |
| 104 | |
| 105 | [v setNumberOfTickMarks:tickMarks]; |
| 106 | [v setTickMarkPosition:NSTickMarkBelow]; |
| 107 | } |
| 108 | |
| 109 | [v setMinValue: minimum]; |
| 110 | [v setMaxValue: maximum]; |
| 111 | [v setFloatValue: (double) value]; |
| 112 | wxWidgetCocoaImpl* c = new wxSliderCocoaImpl( wxpeer, v ); |
| 113 | return c; |
| 114 | } |
| 115 | |
| 116 | #endif // wxUSE_SLIDER |