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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: $Id$ | |
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 | if ( size == wxDefaultSize ) | |
94 | { | |
95 | if ( style & wxSL_VERTICAL ) | |
96 | r.size.height = r.size.width * 2; | |
97 | else | |
98 | r.size.width = r.size.height * 2; | |
99 | } | |
100 | wxNSSlider* v = [[wxNSSlider alloc] initWithFrame:r]; | |
101 | ||
102 | int tickMarks = 0; | |
103 | if ( style & wxSL_AUTOTICKS ) | |
104 | { | |
105 | tickMarks = (maximum - minimum) + 1; // +1 for the 0 value | |
106 | ||
107 | // keep the number of tickmarks from becoming unwieldly, therefore below it is ok to cast | |
108 | // it to a UInt16 | |
109 | while (tickMarks > 20) | |
110 | tickMarks /= 5; | |
111 | ||
112 | [v setNumberOfTickMarks:tickMarks]; | |
113 | [v setTickMarkPosition:NSTickMarkBelow]; | |
114 | } | |
115 | ||
116 | [v setMinValue: minimum]; | |
117 | [v setMaxValue: maximum]; | |
118 | [v setFloatValue: (double) value]; | |
119 | wxWidgetCocoaImpl* c = new wxSliderCocoaImpl( wxpeer, v ); | |
120 | return c; | |
121 | } | |
122 | ||
123 | #endif // wxUSE_SLIDER |