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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 | m_macIsUserPane = FALSE ; | |
44 | ||
45 | if ( !wxControl::Create(parent, id, pos, size, style, validator, name) ) | |
46 | return FALSE; | |
47 | ||
48 | Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ; | |
49 | m_macControl = (WXWidget) ::NewControl(MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , | |
50 | &bounds , "\p" , true , 0 , 0 , 100, | |
51 | kControlScrollBarLiveProc , (long) this) ; | |
52 | ||
53 | wxASSERT_MSG( (ControlRef) m_macControl != NULL , wxT("No valid mac control") ) ; | |
54 | ||
55 | ::SetControlAction( (ControlRef) m_macControl , wxMacLiveScrollbarActionUPP ) ; | |
56 | ||
57 | MacPostControlCreate(pos,size) ; | |
58 | ||
59 | return TRUE; | |
60 | } | |
61 | ||
62 | wxScrollBar::~wxScrollBar() | |
63 | { | |
64 | } | |
65 | ||
66 | void wxScrollBar::SetThumbPosition(int viewStart) | |
67 | { | |
68 | ::SetControl32BitValue( (ControlRef) m_macControl , viewStart ) ; | |
69 | } | |
70 | ||
71 | int wxScrollBar::GetThumbPosition() const | |
72 | { | |
73 | return ::GetControl32BitValue( (ControlRef) m_macControl ) ; | |
74 | } | |
75 | ||
76 | void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize, | |
77 | bool refresh) | |
78 | { | |
79 | m_pageSize = pageSize; | |
80 | m_viewSize = thumbSize; | |
81 | m_objectSize = range; | |
82 | ||
83 | int range1 = wxMax((m_objectSize - m_viewSize), 0) ; | |
84 | ||
85 | SetControl32BitMaximum( (ControlRef) m_macControl , range1 ) ; | |
86 | SetControl32BitMinimum( (ControlRef) m_macControl , 0 ) ; | |
87 | SetControl32BitValue( (ControlRef) m_macControl , position ) ; | |
88 | ||
89 | if ( UMAGetAppearanceVersion() >= 0x0110 ) | |
90 | { | |
91 | if ( SetControlViewSize != (void*) kUnresolvedCFragSymbolAddress ) | |
92 | { | |
93 | SetControlViewSize( (ControlRef) m_macControl , m_viewSize ) ; | |
94 | } | |
95 | } | |
96 | if ( refresh ) | |
97 | MacRedrawControl() ; | |
98 | } | |
99 | ||
100 | ||
101 | void wxScrollBar::Command(wxCommandEvent& event) | |
102 | { | |
103 | SetThumbPosition(event.m_commandInt); | |
104 | ProcessCommand(event); | |
105 | } | |
106 | ||
107 | void wxScrollBar::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown ) | |
108 | { | |
109 | if ( (ControlRef) m_macControl == NULL ) | |
110 | return ; | |
111 | ||
112 | int position = GetControl32BitValue( (ControlRef) m_macControl) ; | |
113 | int minPos = GetControl32BitMinimum( (ControlRef) m_macControl) ; | |
114 | int maxPos = GetControl32BitMaximum( (ControlRef) m_macControl) ; | |
115 | ||
116 | wxEventType scrollEvent = wxEVT_NULL; | |
117 | int nScrollInc = 0; | |
118 | ||
119 | // all events have already been reported during mouse down, except for THUMBRELEASE | |
120 | if ( !mouseStillDown && controlpart !=kControlIndicatorPart ) | |
121 | return ; | |
122 | ||
123 | switch( controlpart ) | |
124 | { | |
125 | case kControlUpButtonPart : | |
126 | nScrollInc = -1; | |
127 | scrollEvent = wxEVT_SCROLL_LINEUP; | |
128 | break ; | |
129 | case kControlDownButtonPart : | |
130 | nScrollInc = 1; | |
131 | scrollEvent = wxEVT_SCROLL_LINEDOWN; | |
132 | break ; | |
133 | case kControlPageUpPart : | |
134 | nScrollInc = -m_pageSize; | |
135 | scrollEvent = wxEVT_SCROLL_PAGEUP; | |
136 | break ; | |
137 | case kControlPageDownPart : | |
138 | nScrollInc = m_pageSize; | |
139 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; | |
140 | break ; | |
141 | case kControlIndicatorPart : | |
142 | nScrollInc = 0 ; | |
143 | if ( mouseStillDown ) | |
144 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; | |
145 | else | |
146 | scrollEvent = wxEVT_SCROLL_THUMBRELEASE; | |
147 | break ; | |
148 | default : | |
149 | wxFAIL_MSG(wxT("illegal scrollbar selector")); | |
150 | break ; | |
151 | } | |
152 | ||
153 | int new_pos = position + nScrollInc; | |
154 | ||
155 | if (new_pos < minPos) | |
156 | new_pos = minPos; | |
157 | if (new_pos > maxPos) | |
158 | new_pos = maxPos; | |
159 | if ( nScrollInc ) | |
160 | SetThumbPosition(new_pos); | |
161 | ||
162 | wxScrollEvent event(scrollEvent, m_windowId); | |
163 | if ( m_windowStyle & wxHORIZONTAL ) | |
164 | { | |
165 | event.SetOrientation( wxHORIZONTAL ) ; | |
166 | } | |
167 | else | |
168 | { | |
169 | event.SetOrientation( wxVERTICAL ) ; | |
170 | } | |
171 | event.SetPosition(new_pos); | |
172 | event.SetEventObject( this ); | |
173 | wxWindow* window = GetParent() ; | |
174 | if (window && window->MacIsWindowScrollbar(this) ) | |
175 | { | |
176 | // this is hardcoded | |
177 | window->MacOnScroll(event); | |
178 | } | |
179 | else | |
180 | GetEventHandler()->ProcessEvent(event); | |
181 | } | |
182 |