Commit | Line | Data |
---|---|---|
0e320a79 DW |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: scrolbar.cpp | |
3 | // Purpose: wxScrollBar | |
409c9842 | 4 | // Author: David Webster |
0e320a79 | 5 | // Modified by: |
409c9842 | 6 | // Created: 10/15/99 |
0e320a79 | 7 | // RCS-ID: $Id$ |
409c9842 DW |
8 | // Copyright: (c) David Webster |
9 | // Licence: wxWindows licence | |
0e320a79 DW |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
409c9842 DW |
12 | // For compilers that support precompilation, includes "wx.h". |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #ifndef WX_PRECOMP | |
16 | #include "wx/defs.h" | |
17 | #include "wx/utils.h" | |
0e320a79 DW |
18 | #endif |
19 | ||
20 | #include "wx/scrolbar.h" | |
409c9842 | 21 | #include "wx/os2/private.h" |
0e320a79 | 22 | |
0e320a79 DW |
23 | IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl) |
24 | ||
409c9842 DW |
25 | BEGIN_EVENT_TABLE(wxScrollBar, wxControl) |
26 | #if WXWIN_COMPATIBILITY | |
27 | EVT_SCROLL(wxScrollBar::OnScroll) | |
28 | #endif | |
29 | END_EVENT_TABLE() | |
30 | ||
0e320a79 DW |
31 | |
32 | // Scrollbar | |
33 | bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, | |
34 | const wxPoint& pos, | |
35 | const wxSize& size, long style, | |
5d4b632b | 36 | #if wxUSE_VALIDATORS |
0e320a79 | 37 | const wxValidator& validator, |
5d4b632b | 38 | #endif |
0e320a79 DW |
39 | const wxString& name) |
40 | { | |
41 | if (!parent) | |
42 | return FALSE; | |
43 | parent->AddChild(this); | |
44 | SetName(name); | |
5d4b632b | 45 | #if wxUSE_VALIDATORS |
409c9842 | 46 | SetValidator(validator); |
5d4b632b | 47 | #endif |
04701dd9 | 48 | |
409c9842 DW |
49 | SetBackgroundColour(parent->GetBackgroundColour()) ; |
50 | SetForegroundColour(parent->GetForegroundColour()) ; | |
0e320a79 DW |
51 | m_windowStyle = style; |
52 | ||
53 | if ( id == -1 ) | |
409c9842 | 54 | m_windowId = (int)NewControlId(); |
0e320a79 | 55 | else |
409c9842 DW |
56 | m_windowId = id; |
57 | ||
58 | int x = pos.x; | |
59 | int y = pos.y; | |
60 | int width = size.x; | |
61 | int height = size.y; | |
62 | ||
63 | if (width == -1) | |
64 | { | |
65 | if (style & wxHORIZONTAL) | |
66 | width = 140; | |
67 | else | |
68 | width = 14; | |
69 | } | |
70 | if (height == -1) | |
71 | { | |
72 | if (style & wxVERTICAL) | |
73 | height = 140; | |
74 | else | |
75 | height = 14; | |
76 | } | |
0e320a79 DW |
77 | |
78 | // TODO create scrollbar | |
409c9842 DW |
79 | |
80 | m_pageSize = 1; | |
81 | m_viewSize = 1; | |
82 | m_objectSize = 1; | |
83 | ||
84 | SetFont(parent->GetFont()); | |
85 | ||
86 | m_hWnd = 0; // TODO: (WXHWND)scroll_bar; | |
87 | ||
04701dd9 DW |
88 | HWND scroll_bar = 0; // temporary |
89 | ||
409c9842 DW |
90 | // Subclass again for purposes of dialog editing mode |
91 | SubclassWin((WXHWND) scroll_bar); | |
92 | ||
93 | SetSize(x, y, width, height); | |
94 | ||
0e320a79 DW |
95 | return TRUE; |
96 | } | |
97 | ||
98 | wxScrollBar::~wxScrollBar() | |
99 | { | |
100 | } | |
101 | ||
409c9842 DW |
102 | bool wxScrollBar::OS2OnScroll(int WXUNUSED(orientation), WXWORD wParam, |
103 | WXWORD pos, WXHWND control) | |
104 | { | |
105 | // TODO: | |
106 | /* | |
107 | int position = ::GetScrollPos((HWND) control, SB_CTL); | |
108 | int minPos, maxPos; | |
109 | ::GetScrollRange((HWND) control, SB_CTL, &minPos, &maxPos); | |
110 | ||
111 | #if defined(__WIN95__) | |
112 | // A page size greater than one has the effect of reducing the effective | |
113 | // range, therefore the range has already been boosted artificially - so | |
114 | // reduce it again. | |
115 | if ( m_pageSize > 1 ) | |
116 | maxPos -= (m_pageSize - 1); | |
117 | #endif // __WIN95__ | |
118 | ||
119 | wxEventType scrollEvent = wxEVT_NULL; | |
120 | ||
121 | int nScrollInc; | |
122 | switch ( wParam ) | |
123 | { | |
124 | case SB_TOP: | |
125 | nScrollInc = maxPos - position; | |
126 | scrollEvent = wxEVT_SCROLL_TOP; | |
127 | break; | |
128 | ||
129 | case SB_BOTTOM: | |
130 | nScrollInc = - position; | |
131 | scrollEvent = wxEVT_SCROLL_BOTTOM; | |
132 | break; | |
133 | ||
134 | case SB_LINEUP: | |
135 | nScrollInc = -1; | |
136 | scrollEvent = wxEVT_SCROLL_LINEUP; | |
137 | break; | |
138 | ||
139 | case SB_LINEDOWN: | |
140 | nScrollInc = 1; | |
141 | scrollEvent = wxEVT_SCROLL_LINEDOWN; | |
142 | break; | |
143 | ||
144 | case SB_PAGEUP: | |
145 | nScrollInc = -GetPageSize(); | |
146 | scrollEvent = wxEVT_SCROLL_PAGEUP; | |
147 | break; | |
148 | ||
149 | case SB_PAGEDOWN: | |
150 | nScrollInc = GetPageSize(); | |
151 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; | |
152 | break; | |
153 | ||
154 | case SB_THUMBTRACK: | |
155 | case SB_THUMBPOSITION: | |
156 | nScrollInc = pos - position; | |
157 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; | |
158 | break; | |
159 | ||
160 | default: | |
161 | nScrollInc = 0; | |
162 | } | |
163 | ||
164 | if ( nScrollInc == 0 ) | |
165 | { | |
166 | // no event to process, so don't process it | |
167 | return FALSE; | |
168 | } | |
169 | ||
170 | int new_pos = position + nScrollInc; | |
171 | ||
172 | if (new_pos < 0) | |
173 | new_pos = 0; | |
174 | if (new_pos > maxPos) | |
175 | new_pos = maxPos; | |
176 | ||
177 | SetThumbPosition(new_pos); | |
178 | wxScrollEvent event(scrollEvent, m_windowId); | |
179 | event.SetPosition(new_pos); | |
180 | event.SetEventObject( this ); | |
181 | ||
182 | return GetEventHandler()->ProcessEvent(event); | |
183 | */ | |
184 | return FALSE; | |
185 | } | |
186 | ||
0e320a79 DW |
187 | void wxScrollBar::SetThumbPosition(int viewStart) |
188 | { | |
189 | // TODO | |
190 | } | |
191 | ||
192 | int wxScrollBar::GetThumbPosition() const | |
193 | { | |
194 | // TODO | |
195 | return 0; | |
196 | } | |
197 | ||
198 | void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize, | |
199 | bool refresh) | |
200 | { | |
201 | m_viewSize = pageSize; | |
202 | m_pageSize = thumbSize; | |
203 | m_objectSize = range; | |
204 | ||
205 | // TODO | |
206 | } | |
207 | ||
409c9842 DW |
208 | #if WXWIN_COMPATIBILITY |
209 | void wxScrollBar::SetPageSize(int pageLength) | |
210 | { | |
211 | m_pageSize = pageLength; | |
212 | ||
213 | // TODO: | |
214 | } | |
215 | ||
216 | void wxScrollBar::SetObjectLength(int objectLength) | |
217 | { | |
218 | m_objectSize = objectLength; | |
219 | ||
220 | // The range (number of scroll steps) is the | |
221 | // object length minus the view size. | |
222 | int range = wxMax((objectLength - m_viewSize), 0) ; | |
223 | ||
224 | // TODO: | |
225 | } | |
226 | ||
227 | void wxScrollBar::SetViewLength(int viewLength) | |
228 | { | |
229 | m_viewSize = viewLength; | |
230 | } | |
231 | ||
232 | void wxScrollBar::GetValues(int *viewStart, int *viewLength, int *objectLength, | |
233 | int *pageLength) const | |
234 | { | |
235 | // TODO: | |
236 | /* | |
237 | *viewStart = ::GetScrollPos((HWND)m_hWnd, SB_CTL); | |
238 | *viewLength = m_viewSize; | |
239 | *objectLength = m_objectSize; | |
240 | *pageLength = m_pageSize; | |
241 | */ | |
242 | } | |
243 | #endif | |
244 | ||
245 | WXHBRUSH wxScrollBar::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, | |
246 | WXUINT message, WXWPARAM wParam, WXLPARAM lParam) | |
247 | { | |
248 | return 0; | |
249 | } | |
0e320a79 DW |
250 | |
251 | void wxScrollBar::Command(wxCommandEvent& event) | |
252 | { | |
253 | SetThumbPosition(event.m_commandInt); | |
254 | ProcessCommand(event); | |
255 | } | |
256 | ||
409c9842 DW |
257 | #if WXWIN_COMPATIBILITY |
258 | // Backward compatibility | |
259 | void wxScrollBar::OnScroll(wxScrollEvent& event) | |
260 | { | |
261 | // TODO: | |
262 | /* | |
263 | wxEventType oldEvent = event.GetEventType(); | |
264 | event.SetEventType( wxEVT_COMMAND_SCROLLBAR_UPDATED ); | |
265 | if ( !GetEventHandler()->ProcessEvent(event) ) | |
266 | { | |
267 | event.SetEventType( oldEvent ); | |
268 | if (!GetParent()->GetEventHandler()->ProcessEvent(event)) | |
269 | event.Skip(); | |
270 | } | |
271 | */ | |
272 | } | |
273 | #endif |