]>
Commit | Line | Data |
---|---|---|
2bda0e17 | 1 | ///////////////////////////////////////////////////////////////////////////// |
1e6feb95 | 2 | // Name: msw/scrolbar.cpp |
2bda0e17 KB |
3 | // Purpose: wxScrollBar |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
6c9a19aa | 8 | // Copyright: (c) Julian Smart |
65571936 | 9 | // Licence: wxWindows licence |
2bda0e17 KB |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
14f355c2 | 12 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
1e6feb95 | 13 | #pragma implementation "scrolbar.h" |
2bda0e17 KB |
14 | #endif |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
1e6feb95 | 20 | #pragma hdrstop |
2bda0e17 KB |
21 | #endif |
22 | ||
1e6feb95 VZ |
23 | #if wxUSE_SCROLLBAR |
24 | ||
2bda0e17 | 25 | #ifndef WX_PRECOMP |
1e6feb95 | 26 | #include "wx/utils.h" |
2bda0e17 KB |
27 | #endif |
28 | ||
29 | #include "wx/scrolbar.h" | |
30 | #include "wx/msw/private.h" | |
98773c1c | 31 | #include "wx/settings.h" |
2bda0e17 | 32 | |
f0a126fe | 33 | #if wxUSE_EXTENDED_RTTI |
bc9fb572 JS |
34 | WX_DEFINE_FLAGS( wxScrollBarStyle ) |
35 | ||
3ff066a4 | 36 | wxBEGIN_FLAGS( wxScrollBarStyle ) |
bc9fb572 JS |
37 | // new style border flags, we put them first to |
38 | // use them for streaming out | |
3ff066a4 SC |
39 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
40 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
41 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
42 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
43 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
44 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
57f4f925 | 45 | |
bc9fb572 | 46 | // old style border flags |
3ff066a4 SC |
47 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
48 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
49 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
50 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
51 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
cb0afb26 | 52 | wxFLAGS_MEMBER(wxBORDER) |
bc9fb572 JS |
53 | |
54 | // standard window styles | |
3ff066a4 SC |
55 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
56 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
57 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
58 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
cb0afb26 | 59 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
3ff066a4 SC |
60 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
61 | wxFLAGS_MEMBER(wxVSCROLL) | |
62 | wxFLAGS_MEMBER(wxHSCROLL) | |
bc9fb572 | 63 | |
3ff066a4 SC |
64 | wxFLAGS_MEMBER(wxSB_HORIZONTAL) |
65 | wxFLAGS_MEMBER(wxSB_VERTICAL) | |
bc9fb572 | 66 | |
3ff066a4 | 67 | wxEND_FLAGS( wxScrollBarStyle ) |
bc9fb572 | 68 | |
f0a126fe SC |
69 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxScrollBar, wxControl,"wx/scrolbar.h") |
70 | ||
3ff066a4 SC |
71 | wxBEGIN_PROPERTIES_TABLE(wxScrollBar) |
72 | wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxScrollEvent ) | |
c5ca409b | 73 | |
3ff066a4 | 74 | wxPROPERTY( ThumbPosition , int , SetThumbPosition, GetThumbPosition, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
57f4f925 WS |
75 | wxPROPERTY( Range , int , SetRange, GetRange, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
76 | wxPROPERTY( ThumbSize , int , SetThumbSize, GetThumbSize, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
77 | wxPROPERTY( PageSize , int , SetPageSize, GetPageSize, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
af498247 | 78 | wxPROPERTY_FLAGS( WindowStyle , wxScrollBarStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style |
3ff066a4 | 79 | wxEND_PROPERTIES_TABLE() |
2bda0e17 | 80 | |
3ff066a4 SC |
81 | wxBEGIN_HANDLERS_TABLE(wxScrollBar) |
82 | wxEND_HANDLERS_TABLE() | |
066f1b7a | 83 | |
3ff066a4 | 84 | wxCONSTRUCTOR_5( wxScrollBar , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) |
f0a126fe SC |
85 | #else |
86 | IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl) | |
87 | #endif | |
2bda0e17 KB |
88 | |
89 | // Scrollbar | |
debe6624 | 90 | bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, |
2bda0e17 | 91 | const wxPoint& pos, |
debe6624 | 92 | const wxSize& size, long style, |
ac8d0c11 | 93 | const wxValidator& wxVALIDATOR_PARAM(validator), |
2bda0e17 KB |
94 | const wxString& name) |
95 | { | |
96 | if (!parent) | |
57f4f925 | 97 | return false; |
2bda0e17 KB |
98 | parent->AddChild(this); |
99 | SetName(name); | |
11b6a93b | 100 | #if wxUSE_VALIDATORS |
a23fd0e1 | 101 | SetValidator(validator); |
11b6a93b | 102 | #endif // wxUSE_VALIDATORS |
33ac7e6f | 103 | |
7051e6c7 JS |
104 | if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT) |
105 | style |= wxNO_BORDER; | |
106 | ||
fd71308f JS |
107 | SetBackgroundColour(parent->GetBackgroundColour()) ; |
108 | SetForegroundColour(parent->GetForegroundColour()) ; | |
2bda0e17 KB |
109 | m_windowStyle = style; |
110 | ||
57f4f925 WS |
111 | if ( id == wxID_ANY ) |
112 | m_windowId = (int)NewControlId(); | |
113 | else | |
114 | m_windowId = id; | |
2bda0e17 | 115 | |
57f4f925 WS |
116 | int x = pos.x; |
117 | int y = pos.y; | |
118 | int width = size.x; | |
119 | int height = size.y; | |
2bda0e17 | 120 | |
57f4f925 | 121 | if (width == wxDefaultCoord) |
2bda0e17 KB |
122 | { |
123 | if (style & wxHORIZONTAL) | |
124 | width = 140; | |
125 | else | |
126 | width = 14; | |
127 | } | |
57f4f925 | 128 | if (height == wxDefaultCoord) |
2bda0e17 KB |
129 | { |
130 | if (style & wxVERTICAL) | |
131 | height = 140; | |
132 | else | |
133 | height = 14; | |
134 | } | |
135 | ||
fe3d9123 JS |
136 | WXDWORD exStyle = 0; |
137 | WXDWORD wstyle = MSWGetStyle(style, & exStyle) ; | |
b0766406 | 138 | |
2bda0e17 KB |
139 | // Now create scrollbar |
140 | DWORD _direction = (style & wxHORIZONTAL) ? | |
141 | SBS_HORZ: SBS_VERT; | |
fe3d9123 | 142 | HWND scroll_bar = CreateWindowEx(exStyle, wxT("SCROLLBAR"), wxT("scrollbar"), |
b0766406 | 143 | _direction | wstyle, |
2bda0e17 KB |
144 | 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, |
145 | wxGetInstance(), NULL); | |
146 | ||
147 | m_pageSize = 1; | |
148 | m_viewSize = 1; | |
149 | m_objectSize = 1; | |
150 | ||
151 | ::SetScrollRange(scroll_bar, SB_CTL, 0, 1, FALSE); | |
152 | ::SetScrollPos(scroll_bar, SB_CTL, 0, FALSE); | |
153 | ShowWindow(scroll_bar, SW_SHOW); | |
154 | ||
155 | m_hWnd = (WXHWND)scroll_bar; | |
156 | ||
157 | // Subclass again for purposes of dialog editing mode | |
158 | SubclassWin((WXHWND) scroll_bar); | |
159 | ||
160 | SetSize(x, y, width, height); | |
161 | ||
57f4f925 | 162 | return true; |
2bda0e17 KB |
163 | } |
164 | ||
165 | wxScrollBar::~wxScrollBar(void) | |
166 | { | |
167 | } | |
168 | ||
a23fd0e1 | 169 | bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam, |
2eb10e2a | 170 | WXWORD pos, WXHWND WXUNUSED(control)) |
2bda0e17 | 171 | { |
2b5f62a0 VZ |
172 | // current and max positions |
173 | int position, | |
174 | maxPos, trackPos = pos; | |
175 | ||
5cb598ae WS |
176 | wxUnusedVar(trackPos); |
177 | ||
2b5f62a0 VZ |
178 | // when we're dragging the scrollbar we can't use pos parameter because it |
179 | // is limited to 16 bits | |
4676948b JS |
180 | // JACS: now always using GetScrollInfo, since there's no reason |
181 | // not to | |
182 | // if ( wParam == SB_THUMBPOSITION || wParam == SB_THUMBTRACK ) | |
2b5f62a0 VZ |
183 | { |
184 | SCROLLINFO scrollInfo; | |
185 | wxZeroMemory(scrollInfo); | |
186 | scrollInfo.cbSize = sizeof(SCROLLINFO); | |
187 | ||
188 | // also get the range if we call GetScrollInfo() anyhow -- this is less | |
189 | // expensive than call it once here and then call GetScrollRange() | |
190 | // below | |
191 | scrollInfo.fMask = SIF_RANGE | SIF_POS | SIF_TRACKPOS; | |
192 | ||
193 | if ( !::GetScrollInfo(GetHwnd(), SB_CTL, &scrollInfo) ) | |
194 | { | |
195 | wxLogLastError(_T("GetScrollInfo")); | |
196 | } | |
197 | ||
198 | trackPos = scrollInfo.nTrackPos; | |
199 | position = scrollInfo.nPos; | |
200 | maxPos = scrollInfo.nMax; | |
201 | } | |
4676948b | 202 | #if 0 |
2b5f62a0 | 203 | else |
2b5f62a0 VZ |
204 | { |
205 | position = ::GetScrollPos((HWND) control, SB_CTL); | |
206 | int minPos; | |
207 | ::GetScrollRange((HWND) control, SB_CTL, &minPos, &maxPos); | |
208 | } | |
4676948b | 209 | #endif |
a23fd0e1 | 210 | |
2bda0e17 | 211 | #if defined(__WIN95__) |
a23fd0e1 VZ |
212 | // A page size greater than one has the effect of reducing the effective |
213 | // range, therefore the range has already been boosted artificially - so | |
214 | // reduce it again. | |
215 | if ( m_pageSize > 1 ) | |
216 | maxPos -= (m_pageSize - 1); | |
217 | #endif // __WIN95__ | |
2bda0e17 | 218 | |
7798a18e | 219 | wxEventType scrollEvent = wxEVT_NULL; |
2bda0e17 KB |
220 | |
221 | int nScrollInc; | |
222 | switch ( wParam ) | |
223 | { | |
a29ffc34 | 224 | case SB_BOTTOM: |
a23fd0e1 VZ |
225 | nScrollInc = maxPos - position; |
226 | scrollEvent = wxEVT_SCROLL_TOP; | |
227 | break; | |
228 | ||
a29ffc34 VZ |
229 | case SB_TOP: |
230 | nScrollInc = -position; | |
a23fd0e1 VZ |
231 | scrollEvent = wxEVT_SCROLL_BOTTOM; |
232 | break; | |
233 | ||
234 | case SB_LINEUP: | |
235 | nScrollInc = -1; | |
236 | scrollEvent = wxEVT_SCROLL_LINEUP; | |
237 | break; | |
238 | ||
239 | case SB_LINEDOWN: | |
240 | nScrollInc = 1; | |
241 | scrollEvent = wxEVT_SCROLL_LINEDOWN; | |
242 | break; | |
243 | ||
244 | case SB_PAGEUP: | |
245 | nScrollInc = -GetPageSize(); | |
246 | scrollEvent = wxEVT_SCROLL_PAGEUP; | |
247 | break; | |
248 | ||
249 | case SB_PAGEDOWN: | |
250 | nScrollInc = GetPageSize(); | |
251 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; | |
252 | break; | |
253 | ||
a23fd0e1 | 254 | case SB_THUMBPOSITION: |
2b5f62a0 | 255 | nScrollInc = trackPos - position; |
7d56fb8f GRG |
256 | scrollEvent = wxEVT_SCROLL_THUMBRELEASE; |
257 | break; | |
feda3011 GRG |
258 | |
259 | case SB_THUMBTRACK: | |
2b5f62a0 | 260 | nScrollInc = trackPos - position; |
a23fd0e1 VZ |
261 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; |
262 | break; | |
263 | ||
e8b669d3 VZ |
264 | case SB_ENDSCROLL: |
265 | nScrollInc = 0; | |
266 | scrollEvent = wxEVT_SCROLL_ENDSCROLL; | |
267 | break; | |
268 | ||
a23fd0e1 VZ |
269 | default: |
270 | nScrollInc = 0; | |
2bda0e17 KB |
271 | } |
272 | ||
e8b669d3 | 273 | if ( nScrollInc ) |
2bda0e17 | 274 | { |
e8b669d3 | 275 | position += nScrollInc; |
2bda0e17 | 276 | |
e8b669d3 VZ |
277 | if ( position < 0 ) |
278 | position = 0; | |
279 | if ( position > maxPos ) | |
280 | position = maxPos; | |
a23fd0e1 | 281 | |
e8b669d3 VZ |
282 | SetThumbPosition(position); |
283 | } | |
284 | else if ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE && | |
285 | scrollEvent != wxEVT_SCROLL_ENDSCROLL ) | |
286 | { | |
287 | // don't process the event if there is no displacement, | |
288 | // unless this is a thumb release or end scroll event. | |
57f4f925 | 289 | return false; |
e8b669d3 | 290 | } |
a23fd0e1 | 291 | |
a23fd0e1 | 292 | wxScrollEvent event(scrollEvent, m_windowId); |
27e229f5 | 293 | event.SetOrientation(IsVertical() ? wxVERTICAL : wxHORIZONTAL); |
e8b669d3 | 294 | event.SetPosition(position); |
a23fd0e1 VZ |
295 | event.SetEventObject( this ); |
296 | ||
297 | return GetEventHandler()->ProcessEvent(event); | |
2bda0e17 KB |
298 | } |
299 | ||
4fabb575 | 300 | void wxScrollBar::SetThumbPosition(int viewStart) |
2bda0e17 KB |
301 | { |
302 | #if defined(__WIN95__) | |
2b5f62a0 VZ |
303 | SCROLLINFO info; |
304 | info.cbSize = sizeof(SCROLLINFO); | |
305 | info.nPage = 0; | |
306 | info.nMin = 0; | |
307 | info.nPos = viewStart; | |
308 | info.fMask = SIF_POS ; | |
309 | ||
310 | ::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, TRUE); | |
2bda0e17 | 311 | #else |
2b5f62a0 | 312 | ::SetScrollPos((HWND) GetHWND(), SB_CTL, viewStart, TRUE); |
2bda0e17 KB |
313 | #endif |
314 | } | |
315 | ||
4fabb575 | 316 | int wxScrollBar::GetThumbPosition(void) const |
2bda0e17 | 317 | { |
4676948b JS |
318 | SCROLLINFO scrollInfo; |
319 | wxZeroMemory(scrollInfo); | |
320 | scrollInfo.cbSize = sizeof(SCROLLINFO); | |
321 | scrollInfo.fMask = SIF_POS; | |
f0a126fe | 322 | |
4676948b JS |
323 | if ( !::GetScrollInfo(GetHwnd(), SB_CTL, &scrollInfo) ) |
324 | { | |
325 | wxLogLastError(_T("GetScrollInfo")); | |
326 | } | |
327 | return scrollInfo.nPos; | |
328 | // return ::GetScrollPos((HWND)m_hWnd, SB_CTL); | |
2bda0e17 KB |
329 | } |
330 | ||
debe6624 JS |
331 | void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize, |
332 | bool refresh) | |
2bda0e17 KB |
333 | { |
334 | m_viewSize = pageSize; | |
335 | m_pageSize = thumbSize; | |
336 | m_objectSize = range; | |
337 | ||
338 | // The range (number of scroll steps) is the | |
339 | // object length minus the page size. | |
340 | int range1 = wxMax((m_objectSize - m_pageSize), 0) ; | |
341 | ||
342 | #if defined(__WIN95__) | |
343 | // Try to adjust the range to cope with page size > 1 | |
344 | // (see comment for SetPageLength) | |
345 | if ( m_pageSize > 1 ) | |
346 | { | |
a23fd0e1 | 347 | range1 += (m_pageSize - 1); |
2bda0e17 KB |
348 | } |
349 | ||
350 | SCROLLINFO info; | |
351 | info.cbSize = sizeof(SCROLLINFO); | |
352 | info.nPage = m_pageSize; | |
353 | info.nMin = 0; | |
354 | info.nMax = range1; | |
355 | info.nPos = position; | |
356 | ||
357 | info.fMask = SIF_PAGE | SIF_RANGE | SIF_POS; | |
358 | ||
359 | ::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, refresh); | |
360 | #else | |
361 | ::SetScrollPos((HWND)m_hWnd, SB_CTL, position, TRUE); | |
362 | ::SetScrollRange((HWND)m_hWnd, SB_CTL, 0, range1, TRUE); | |
363 | #endif | |
364 | } | |
365 | ||
2bda0e17 KB |
366 | void wxScrollBar::Command(wxCommandEvent& event) |
367 | { | |
687706f5 | 368 | SetThumbPosition(event.GetInt()); |
2bda0e17 KB |
369 | ProcessCommand(event); |
370 | } | |
371 | ||
caafd082 DS |
372 | wxSize wxScrollBar::DoGetBestSize() const |
373 | { | |
374 | int w = 100; | |
375 | int h = 100; | |
376 | ||
377 | if ( IsVertical() ) | |
378 | { | |
379 | w = wxSystemSettings::GetMetric(wxSYS_VSCROLL_X); | |
380 | } | |
381 | else | |
382 | { | |
383 | h = wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y); | |
384 | } | |
385 | ||
386 | return wxSize(w, h); | |
387 | } | |
388 | ||
1e6feb95 | 389 | #endif // wxUSE_SCROLLBAR |