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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: scrolbar.cpp | |
3 | // Purpose: wxScrollBar | |
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 | #ifdef __GNUG__ | |
13 | #pragma implementation "scrolbar.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/defs.h" | |
17 | ||
18 | #ifndef WX_PRECOMP | |
19 | #include "wx/intl.h" | |
20 | #include "wx/log.h" | |
21 | #endif // WX_PRECOMP | |
22 | ||
23 | #include "wx/scrolbar.h" | |
24 | #include "wx/mac/uma.h" | |
25 | ||
26 | #if !USE_SHARED_LIBRARY | |
27 | IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl) | |
28 | ||
29 | BEGIN_EVENT_TABLE(wxScrollBar, wxControl) | |
30 | END_EVENT_TABLE() | |
31 | ||
32 | #endif | |
33 | ||
34 | extern ControlActionUPP wxMacLiveScrollbarActionUPP ; | |
35 | ||
36 | // Scrollbar | |
37 | bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, | |
38 | const wxPoint& pos, | |
39 | const wxSize& size, long style, | |
40 | const wxValidator& validator, | |
41 | const wxString& name) | |
42 | { | |
43 | if (!parent) | |
44 | return FALSE; | |
45 | ||
46 | Rect bounds ; | |
47 | Str255 title ; | |
48 | ||
49 | MacPreControlCreate( parent , id , wxEmptyString , pos , size ,style, validator , name , &bounds , title ) ; | |
50 | ||
51 | m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , true , 0 , 0 , 100, | |
52 | kControlScrollBarLiveProc , (long) this ) ; | |
53 | ||
54 | wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ; | |
55 | ||
56 | ::SetControlAction( (ControlHandle) m_macControl , wxMacLiveScrollbarActionUPP ) ; | |
57 | ||
58 | MacPostControlCreate() ; | |
59 | ||
60 | return TRUE; | |
61 | } | |
62 | ||
63 | wxScrollBar::~wxScrollBar() | |
64 | { | |
65 | } | |
66 | ||
67 | void wxScrollBar::SetThumbPosition(int viewStart) | |
68 | { | |
69 | ::SetControl32BitValue( (ControlHandle) m_macControl , viewStart ) ; | |
70 | } | |
71 | ||
72 | int wxScrollBar::GetThumbPosition() const | |
73 | { | |
74 | return ::GetControl32BitValue( (ControlHandle) m_macControl ) ; | |
75 | } | |
76 | ||
77 | void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize, | |
78 | bool refresh) | |
79 | { | |
80 | m_pageSize = pageSize; | |
81 | m_viewSize = thumbSize; | |
82 | m_objectSize = range; | |
83 | ||
84 | int range1 = wxMax((m_objectSize - m_viewSize), 0) ; | |
85 | ||
86 | SetControl32BitMaximum( (ControlHandle) m_macControl , range1 ) ; | |
87 | SetControl32BitMinimum( (ControlHandle) m_macControl , 0 ) ; | |
88 | SetControl32BitValue( (ControlHandle) m_macControl , position ) ; | |
89 | ||
90 | if ( UMAGetAppearanceVersion() >= 0x0110 ) | |
91 | { | |
92 | if ( SetControlViewSize != (void*) kUnresolvedCFragSymbolAddress ) | |
93 | { | |
94 | SetControlViewSize( (ControlHandle) m_macControl , m_viewSize ) ; | |
95 | } | |
96 | } | |
97 | if ( refresh ) | |
98 | MacRedrawControl() ; | |
99 | } | |
100 | ||
101 | ||
102 | void wxScrollBar::Command(wxCommandEvent& event) | |
103 | { | |
104 | SetThumbPosition(event.m_commandInt); | |
105 | ProcessCommand(event); | |
106 | } | |
107 | ||
108 | void wxScrollBar::MacHandleControlClick( WXWidget control , wxInt16 controlpart ) | |
109 | { | |
110 | if ( (ControlHandle) m_macControl == NULL ) | |
111 | return ; | |
112 | ||
113 | int position = GetControl32BitValue( (ControlHandle) m_macControl) ; | |
114 | int minPos = GetControl32BitMinimum( (ControlHandle) m_macControl) ; | |
115 | int maxPos = GetControl32BitMaximum( (ControlHandle) m_macControl) ; | |
116 | ||
117 | wxEventType scrollEvent = wxEVT_NULL; | |
118 | int nScrollInc; | |
119 | ||
120 | switch( controlpart ) | |
121 | { | |
122 | case kControlUpButtonPart : | |
123 | nScrollInc = -1; | |
124 | scrollEvent = wxEVT_SCROLL_LINEUP; | |
125 | break ; | |
126 | case kControlDownButtonPart : | |
127 | nScrollInc = 1; | |
128 | scrollEvent = wxEVT_SCROLL_LINEDOWN; | |
129 | break ; | |
130 | case kControlPageUpPart : | |
131 | nScrollInc = -m_pageSize; | |
132 | scrollEvent = wxEVT_SCROLL_PAGEUP; | |
133 | break ; | |
134 | case kControlPageDownPart : | |
135 | nScrollInc = m_pageSize; | |
136 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; | |
137 | break ; | |
138 | case kControlIndicatorPart : | |
139 | nScrollInc = 0 ; | |
140 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; | |
141 | break ; | |
142 | default : | |
143 | wxFAIL_MSG(wxT("illegal scrollbar selector")); | |
144 | break ; | |
145 | } | |
146 | ||
147 | int new_pos = position + nScrollInc; | |
148 | ||
149 | if (new_pos < minPos) | |
150 | new_pos = minPos; | |
151 | if (new_pos > maxPos) | |
152 | new_pos = maxPos; | |
153 | if ( nScrollInc ) | |
154 | SetThumbPosition(new_pos); | |
155 | ||
156 | wxScrollEvent event(scrollEvent, m_windowId); | |
157 | if ( m_windowStyle & wxHORIZONTAL ) | |
158 | { | |
159 | event.SetOrientation( wxHORIZONTAL ) ; | |
160 | } | |
161 | else | |
162 | { | |
163 | event.SetOrientation( wxVERTICAL ) ; | |
164 | } | |
165 | event.SetPosition(new_pos); | |
166 | event.SetEventObject( this ); | |
167 | wxWindow* window = GetParent() ; | |
168 | if (window && window->MacIsWindowScrollbar(this) ) | |
169 | { | |
170 | // this is hardcoded | |
171 | window->MacOnScroll(event); | |
172 | } | |
173 | else | |
174 | GetEventHandler()->ProcessEvent(event); | |
175 | } | |
176 |