1*5900e8ecSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*5900e8ecSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*5900e8ecSAndrew Rist * or more contributor license agreements. See the NOTICE file
5*5900e8ecSAndrew Rist * distributed with this work for additional information
6*5900e8ecSAndrew Rist * regarding copyright ownership. The ASF licenses this file
7*5900e8ecSAndrew Rist * to you under the Apache License, Version 2.0 (the
8*5900e8ecSAndrew Rist * "License"); you may not use this file except in compliance
9*5900e8ecSAndrew Rist * with the License. You may obtain a copy of the License at
10*5900e8ecSAndrew Rist *
11*5900e8ecSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*5900e8ecSAndrew Rist *
13*5900e8ecSAndrew Rist * Unless required by applicable law or agreed to in writing,
14*5900e8ecSAndrew Rist * software distributed under the License is distributed on an
15*5900e8ecSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*5900e8ecSAndrew Rist * KIND, either express or implied. See the License for the
17*5900e8ecSAndrew Rist * specific language governing permissions and limitations
18*5900e8ecSAndrew Rist * under the License.
19*5900e8ecSAndrew Rist *
20*5900e8ecSAndrew Rist *************************************************************/
21*5900e8ecSAndrew Rist
22*5900e8ecSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_svtools.hxx"
26cdf0e10cSrcweir
27cdf0e10cSrcweir #define _SVT_SCRWIN_CXX
28cdf0e10cSrcweir #include <svtools/scrwin.hxx>
29cdf0e10cSrcweir
30cdf0e10cSrcweir //===================================================================
31cdf0e10cSrcweir
ImpInitialize(ScrollableWindowFlags nFlags)32cdf0e10cSrcweir void ScrollableWindow::ImpInitialize( ScrollableWindowFlags nFlags )
33cdf0e10cSrcweir {
34cdf0e10cSrcweir bHandleDragging = (sal_Bool) ( nFlags & SCRWIN_THUMBDRAGGING );
35cdf0e10cSrcweir bVCenter = (nFlags & SCRWIN_VCENTER) == SCRWIN_VCENTER;
36cdf0e10cSrcweir bHCenter = (nFlags & SCRWIN_HCENTER) == SCRWIN_HCENTER;
37cdf0e10cSrcweir bScrolling = sal_False;
38cdf0e10cSrcweir
39cdf0e10cSrcweir // set the handlers for the scrollbars
40cdf0e10cSrcweir aVScroll.SetScrollHdl( LINK(this, ScrollableWindow, ScrollHdl) );
41cdf0e10cSrcweir aHScroll.SetScrollHdl( LINK(this, ScrollableWindow, ScrollHdl) );
42cdf0e10cSrcweir aVScroll.SetEndScrollHdl( LINK(this, ScrollableWindow, EndScrollHdl) );
43cdf0e10cSrcweir aHScroll.SetEndScrollHdl( LINK(this, ScrollableWindow, EndScrollHdl) );
44cdf0e10cSrcweir
45cdf0e10cSrcweir nColumnPixW = nLinePixH = GetSettings().GetStyleSettings().GetScrollBarSize();
46cdf0e10cSrcweir }
47cdf0e10cSrcweir
48cdf0e10cSrcweir //-------------------------------------------------------------------
49cdf0e10cSrcweir
ScrollableWindow(Window * pParent,WinBits nBits,ScrollableWindowFlags nFlags)50cdf0e10cSrcweir ScrollableWindow::ScrollableWindow( Window* pParent, WinBits nBits,
51cdf0e10cSrcweir ScrollableWindowFlags nFlags ) :
52cdf0e10cSrcweir Window( pParent, WinBits(nBits|WB_CLIPCHILDREN) ),
53cdf0e10cSrcweir aVScroll( this, WinBits(WB_VSCROLL | WB_DRAG) ),
54cdf0e10cSrcweir aHScroll( this, WinBits(WB_HSCROLL | WB_DRAG) ),
55cdf0e10cSrcweir aCornerWin( this )
56cdf0e10cSrcweir {
57cdf0e10cSrcweir ImpInitialize( nFlags );
58cdf0e10cSrcweir }
59cdf0e10cSrcweir
60cdf0e10cSrcweir //-------------------------------------------------------------------
61cdf0e10cSrcweir
ScrollableWindow(Window * pParent,const ResId & rId,ScrollableWindowFlags nFlags)62cdf0e10cSrcweir ScrollableWindow::ScrollableWindow( Window* pParent, const ResId& rId,
63cdf0e10cSrcweir ScrollableWindowFlags nFlags ) :
64cdf0e10cSrcweir Window( pParent, rId ),
65cdf0e10cSrcweir aVScroll( this, WinBits(WB_VSCROLL | WB_DRAG) ),
66cdf0e10cSrcweir aHScroll( this, WinBits(WB_HSCROLL | WB_DRAG) ),
67cdf0e10cSrcweir aCornerWin( this )
68cdf0e10cSrcweir {
69cdf0e10cSrcweir ImpInitialize( nFlags );
70cdf0e10cSrcweir }
71cdf0e10cSrcweir
72cdf0e10cSrcweir // -----------------------------------------------------------------------
73cdf0e10cSrcweir
Command(const CommandEvent & rCEvt)74cdf0e10cSrcweir void ScrollableWindow::Command( const CommandEvent& rCEvt )
75cdf0e10cSrcweir {
76cdf0e10cSrcweir if ( (rCEvt.GetCommand() == COMMAND_WHEEL) ||
77cdf0e10cSrcweir (rCEvt.GetCommand() == COMMAND_STARTAUTOSCROLL) ||
78cdf0e10cSrcweir (rCEvt.GetCommand() == COMMAND_AUTOSCROLL) )
79cdf0e10cSrcweir {
80cdf0e10cSrcweir ScrollBar* pHScrBar;
81cdf0e10cSrcweir ScrollBar* pVScrBar;
82cdf0e10cSrcweir if ( aHScroll.IsVisible() )
83cdf0e10cSrcweir pHScrBar = &aHScroll;
84cdf0e10cSrcweir else
85cdf0e10cSrcweir pHScrBar = NULL;
86cdf0e10cSrcweir if ( aVScroll.IsVisible() )
87cdf0e10cSrcweir pVScrBar = &aVScroll;
88cdf0e10cSrcweir else
89cdf0e10cSrcweir pVScrBar = NULL;
90cdf0e10cSrcweir if ( HandleScrollCommand( rCEvt, pHScrBar, pVScrBar ) )
91cdf0e10cSrcweir return;
92cdf0e10cSrcweir }
93cdf0e10cSrcweir
94cdf0e10cSrcweir Window::Command( rCEvt );
95cdf0e10cSrcweir }
96cdf0e10cSrcweir
97cdf0e10cSrcweir //-------------------------------------------------------------------
98cdf0e10cSrcweir
DataChanged(const DataChangedEvent & rDCEvt)99cdf0e10cSrcweir void ScrollableWindow::DataChanged( const DataChangedEvent& rDCEvt )
100cdf0e10cSrcweir {
101cdf0e10cSrcweir if ( (rDCEvt.GetType() == DATACHANGED_SETTINGS) &&
102cdf0e10cSrcweir (rDCEvt.GetFlags() & SETTINGS_STYLE) )
103cdf0e10cSrcweir {
104cdf0e10cSrcweir Resize();
105cdf0e10cSrcweir Invalidate();
106cdf0e10cSrcweir }
107cdf0e10cSrcweir
108cdf0e10cSrcweir Window::DataChanged( rDCEvt );
109cdf0e10cSrcweir }
110cdf0e10cSrcweir
111cdf0e10cSrcweir //-------------------------------------------------------------------
112cdf0e10cSrcweir
GetOutputSizePixel() const113cdf0e10cSrcweir Size __EXPORT ScrollableWindow::GetOutputSizePixel() const
114cdf0e10cSrcweir {
115cdf0e10cSrcweir Size aSz( Window::GetOutputSizePixel() );
116cdf0e10cSrcweir
117cdf0e10cSrcweir long nTmp = GetSettings().GetStyleSettings().GetScrollBarSize();
118cdf0e10cSrcweir if ( aHScroll.IsVisible() )
119cdf0e10cSrcweir aSz.Height() -= nTmp;
120cdf0e10cSrcweir if ( aVScroll.IsVisible() )
121cdf0e10cSrcweir aSz.Width() -= nTmp;
122cdf0e10cSrcweir return aSz;
123cdf0e10cSrcweir }
124cdf0e10cSrcweir
125cdf0e10cSrcweir //-------------------------------------------------------------------
126cdf0e10cSrcweir
GetOutputSize() const127cdf0e10cSrcweir Size ScrollableWindow::GetOutputSize() const
128cdf0e10cSrcweir {
129cdf0e10cSrcweir return PixelToLogic( GetOutputSizePixel() );
130cdf0e10cSrcweir }
131cdf0e10cSrcweir
132cdf0e10cSrcweir //-------------------------------------------------------------------
133cdf0e10cSrcweir
IMPL_LINK(ScrollableWindow,EndScrollHdl,ScrollBar *,pScroll)134cdf0e10cSrcweir IMPL_LINK( ScrollableWindow, EndScrollHdl, ScrollBar *, pScroll )
135cdf0e10cSrcweir {
136cdf0e10cSrcweir // notify the start of scrolling, if not already scrolling
137cdf0e10cSrcweir if ( !bScrolling )
138cdf0e10cSrcweir StartScroll(), bScrolling = sal_True;
139cdf0e10cSrcweir
140cdf0e10cSrcweir // get the delta in logic coordinates
141cdf0e10cSrcweir Size aDelta( PixelToLogic( Size( aHScroll.GetDelta(), aVScroll.GetDelta() ) ) );
142cdf0e10cSrcweir
143cdf0e10cSrcweir // scroll the window, if this is not already done
144cdf0e10cSrcweir if ( !bHandleDragging )
145cdf0e10cSrcweir {
146cdf0e10cSrcweir if ( pScroll == &aHScroll )
147cdf0e10cSrcweir Scroll( aDelta.Width(), 0 );
148cdf0e10cSrcweir else
149cdf0e10cSrcweir Scroll( 0, aDelta.Height() );
150cdf0e10cSrcweir }
151cdf0e10cSrcweir
152cdf0e10cSrcweir // notify the end of scrolling
153cdf0e10cSrcweir bScrolling = sal_False;
154cdf0e10cSrcweir EndScroll( aDelta.Width(), aDelta.Height() );
155cdf0e10cSrcweir return 0;
156cdf0e10cSrcweir }
157cdf0e10cSrcweir
158cdf0e10cSrcweir //-------------------------------------------------------------------
159cdf0e10cSrcweir
IMPL_LINK(ScrollableWindow,ScrollHdl,ScrollBar *,pScroll)160cdf0e10cSrcweir IMPL_LINK( ScrollableWindow, ScrollHdl, ScrollBar *, pScroll )
161cdf0e10cSrcweir {
162cdf0e10cSrcweir // notify the start of scrolling, if not already scrolling
163cdf0e10cSrcweir if ( !bScrolling )
164cdf0e10cSrcweir StartScroll(), bScrolling = sal_True;
165cdf0e10cSrcweir
166cdf0e10cSrcweir if ( bHandleDragging )
167cdf0e10cSrcweir {
168cdf0e10cSrcweir // get the delta in logic coordinates
169cdf0e10cSrcweir Size aDelta( PixelToLogic(
170cdf0e10cSrcweir Size( aHScroll.GetDelta(), aVScroll.GetDelta() ) ) );
171cdf0e10cSrcweir if ( pScroll == &aHScroll )
172cdf0e10cSrcweir Scroll( aDelta.Width(), 0 );
173cdf0e10cSrcweir else
174cdf0e10cSrcweir Scroll( 0, aDelta.Height() );
175cdf0e10cSrcweir }
176cdf0e10cSrcweir return 0;
177cdf0e10cSrcweir }
178cdf0e10cSrcweir
179cdf0e10cSrcweir //-------------------------------------------------------------------
180cdf0e10cSrcweir
Resize()181cdf0e10cSrcweir void __EXPORT ScrollableWindow::Resize()
182cdf0e10cSrcweir {
183cdf0e10cSrcweir // get the new output-size in pixel
184cdf0e10cSrcweir Size aOutPixSz = Window::GetOutputSizePixel();
185cdf0e10cSrcweir
186cdf0e10cSrcweir // determine the size of the output-area and if we need scrollbars
187cdf0e10cSrcweir const long nScrSize = GetSettings().GetStyleSettings().GetScrollBarSize();
188cdf0e10cSrcweir sal_Bool bVVisible = sal_False; // by default no vertical-ScrollBar
189cdf0e10cSrcweir sal_Bool bHVisible = sal_False; // by default no horizontal-ScrollBar
190cdf0e10cSrcweir sal_Bool bChanged; // determines if a visiblility was changed
191cdf0e10cSrcweir do
192cdf0e10cSrcweir {
193cdf0e10cSrcweir bChanged = sal_False;
194cdf0e10cSrcweir
195cdf0e10cSrcweir // does we need a vertical ScrollBar
196cdf0e10cSrcweir if ( aOutPixSz.Width() < aTotPixSz.Width() && !bHVisible )
197cdf0e10cSrcweir { bHVisible = sal_True;
198cdf0e10cSrcweir aOutPixSz.Height() -= nScrSize;
199cdf0e10cSrcweir bChanged = sal_True;
200cdf0e10cSrcweir }
201cdf0e10cSrcweir
202cdf0e10cSrcweir // does we need a horizontal ScrollBar
203cdf0e10cSrcweir if ( aOutPixSz.Height() < aTotPixSz.Height() && !bVVisible )
204cdf0e10cSrcweir { bVVisible = sal_True;
205cdf0e10cSrcweir aOutPixSz.Width() -= nScrSize;
206cdf0e10cSrcweir bChanged = sal_True;
207cdf0e10cSrcweir }
208cdf0e10cSrcweir
209cdf0e10cSrcweir }
210cdf0e10cSrcweir while ( bChanged ); // until no visibility has changed
211cdf0e10cSrcweir
212cdf0e10cSrcweir // store the old offset and map-mode
213cdf0e10cSrcweir MapMode aMap( GetMapMode() );
214cdf0e10cSrcweir Point aOldPixOffset( aPixOffset );
215cdf0e10cSrcweir
216cdf0e10cSrcweir // justify (right/bottom borders should never exceed the virtual window)
217cdf0e10cSrcweir Size aPixDelta;
218cdf0e10cSrcweir if ( aPixOffset.X() < 0 &&
219cdf0e10cSrcweir aPixOffset.X() + aTotPixSz.Width() < aOutPixSz.Width() )
220cdf0e10cSrcweir aPixDelta.Width() =
221cdf0e10cSrcweir aOutPixSz.Width() - ( aPixOffset.X() + aTotPixSz.Width() );
222cdf0e10cSrcweir if ( aPixOffset.Y() < 0 &&
223cdf0e10cSrcweir aPixOffset.Y() + aTotPixSz.Height() < aOutPixSz.Height() )
224cdf0e10cSrcweir aPixDelta.Height() =
225cdf0e10cSrcweir aOutPixSz.Height() - ( aPixOffset.Y() + aTotPixSz.Height() );
226cdf0e10cSrcweir if ( aPixDelta.Width() || aPixDelta.Height() )
227cdf0e10cSrcweir {
228cdf0e10cSrcweir aPixOffset.X() += aPixDelta.Width();
229cdf0e10cSrcweir aPixOffset.Y() += aPixDelta.Height();
230cdf0e10cSrcweir }
231cdf0e10cSrcweir
232cdf0e10cSrcweir // for axis without scrollbar restore the origin
233cdf0e10cSrcweir if ( !bVVisible || !bHVisible )
234cdf0e10cSrcweir {
235cdf0e10cSrcweir aPixOffset = Point(
236cdf0e10cSrcweir bHVisible
237cdf0e10cSrcweir ? aPixOffset.X()
238cdf0e10cSrcweir : ( bHCenter
239cdf0e10cSrcweir ? (aOutPixSz.Width()-aTotPixSz.Width()) / 2
240cdf0e10cSrcweir : 0 ),
241cdf0e10cSrcweir bVVisible
242cdf0e10cSrcweir ? aPixOffset.Y()
243cdf0e10cSrcweir : ( bVCenter
244cdf0e10cSrcweir ? (aOutPixSz.Height()-aTotPixSz.Height()) / 2
245cdf0e10cSrcweir : 0 ) );
246cdf0e10cSrcweir }
247cdf0e10cSrcweir if ( bHVisible && !aHScroll.IsVisible() )
248cdf0e10cSrcweir aPixOffset.X() = 0;
249cdf0e10cSrcweir if ( bVVisible && !aVScroll.IsVisible() )
250cdf0e10cSrcweir aPixOffset.Y() = 0;
251cdf0e10cSrcweir
252cdf0e10cSrcweir // select the shifted map-mode
253cdf0e10cSrcweir if ( aPixOffset != aOldPixOffset )
254cdf0e10cSrcweir {
255cdf0e10cSrcweir Window::SetMapMode( MapMode( MAP_PIXEL ) );
256cdf0e10cSrcweir Window::Scroll(
257cdf0e10cSrcweir aPixOffset.X() - aOldPixOffset.X(),
258cdf0e10cSrcweir aPixOffset.Y() - aOldPixOffset.Y() );
259cdf0e10cSrcweir SetMapMode( aMap );
260cdf0e10cSrcweir }
261cdf0e10cSrcweir
262cdf0e10cSrcweir // show or hide scrollbars
263cdf0e10cSrcweir aVScroll.Show( bVVisible );
264cdf0e10cSrcweir aHScroll.Show( bHVisible );
265cdf0e10cSrcweir
266cdf0e10cSrcweir // disable painting in the corner between the scrollbars
267cdf0e10cSrcweir if ( bVVisible && bHVisible )
268cdf0e10cSrcweir {
269cdf0e10cSrcweir aCornerWin.SetPosSizePixel(Point(aOutPixSz.Width(), aOutPixSz.Height()),
270cdf0e10cSrcweir Size(nScrSize, nScrSize) );
271cdf0e10cSrcweir aCornerWin.Show();
272cdf0e10cSrcweir }
273cdf0e10cSrcweir else
274cdf0e10cSrcweir aCornerWin.Hide();
275cdf0e10cSrcweir
276cdf0e10cSrcweir // resize scrollbars and set their ranges
277cdf0e10cSrcweir if ( bHVisible )
278cdf0e10cSrcweir {
279cdf0e10cSrcweir aHScroll.SetPosSizePixel(
280cdf0e10cSrcweir Point( 0, aOutPixSz.Height() ),
281cdf0e10cSrcweir Size( aOutPixSz.Width(), nScrSize ) );
282cdf0e10cSrcweir aHScroll.SetRange( Range( 0, aTotPixSz.Width() ) );
283cdf0e10cSrcweir aHScroll.SetPageSize( aOutPixSz.Width() );
284cdf0e10cSrcweir aHScroll.SetVisibleSize( aOutPixSz.Width() );
285cdf0e10cSrcweir aHScroll.SetLineSize( nColumnPixW );
286cdf0e10cSrcweir aHScroll.SetThumbPos( -aPixOffset.X() );
287cdf0e10cSrcweir }
288cdf0e10cSrcweir if ( bVVisible )
289cdf0e10cSrcweir {
290cdf0e10cSrcweir aVScroll.SetPosSizePixel(
291cdf0e10cSrcweir Point( aOutPixSz.Width(), 0 ),
292cdf0e10cSrcweir Size( nScrSize,aOutPixSz.Height() ) );
293cdf0e10cSrcweir aVScroll.SetRange( Range( 0, aTotPixSz.Height() ) );
294cdf0e10cSrcweir aVScroll.SetPageSize( aOutPixSz.Height() );
295cdf0e10cSrcweir aVScroll.SetVisibleSize( aOutPixSz.Height() );
296cdf0e10cSrcweir aVScroll.SetLineSize( nLinePixH );
297cdf0e10cSrcweir aVScroll.SetThumbPos( -aPixOffset.Y() );
298cdf0e10cSrcweir }
299cdf0e10cSrcweir }
300cdf0e10cSrcweir
301cdf0e10cSrcweir //-------------------------------------------------------------------
302cdf0e10cSrcweir
StartScroll()303cdf0e10cSrcweir void __EXPORT ScrollableWindow::StartScroll()
304cdf0e10cSrcweir {
305cdf0e10cSrcweir }
306cdf0e10cSrcweir
307cdf0e10cSrcweir //-------------------------------------------------------------------
308cdf0e10cSrcweir
EndScroll(long,long)309cdf0e10cSrcweir void __EXPORT ScrollableWindow::EndScroll( long, long )
310cdf0e10cSrcweir {
311cdf0e10cSrcweir }
312cdf0e10cSrcweir
313cdf0e10cSrcweir //-------------------------------------------------------------------
314cdf0e10cSrcweir
SetMapMode(const MapMode & rNewMapMode)315cdf0e10cSrcweir void ScrollableWindow::SetMapMode( const MapMode& rNewMapMode )
316cdf0e10cSrcweir {
317cdf0e10cSrcweir MapMode aMap( rNewMapMode );
318cdf0e10cSrcweir aMap.SetOrigin( aMap.GetOrigin() + PixelToLogic( aPixOffset, aMap ) );
319cdf0e10cSrcweir Window::SetMapMode( aMap );
320cdf0e10cSrcweir }
321cdf0e10cSrcweir
322cdf0e10cSrcweir //-------------------------------------------------------------------
323cdf0e10cSrcweir
GetMapMode() const324cdf0e10cSrcweir MapMode ScrollableWindow::GetMapMode() const
325cdf0e10cSrcweir {
326cdf0e10cSrcweir MapMode aMap( Window::GetMapMode() );
327cdf0e10cSrcweir aMap.SetOrigin( aMap.GetOrigin() - PixelToLogic( aPixOffset ) );
328cdf0e10cSrcweir return aMap;
329cdf0e10cSrcweir }
330cdf0e10cSrcweir
331cdf0e10cSrcweir //-------------------------------------------------------------------
332cdf0e10cSrcweir
SetTotalSize(const Size & rNewSize)333cdf0e10cSrcweir void ScrollableWindow::SetTotalSize( const Size& rNewSize )
334cdf0e10cSrcweir {
335cdf0e10cSrcweir aTotPixSz = LogicToPixel( rNewSize );
336cdf0e10cSrcweir ScrollableWindow::Resize();
337cdf0e10cSrcweir }
338cdf0e10cSrcweir
339cdf0e10cSrcweir //-------------------------------------------------------------------
340cdf0e10cSrcweir
SetVisibleSize(const Size & rNewSize)341cdf0e10cSrcweir void ScrollableWindow::SetVisibleSize( const Size& rNewSize )
342cdf0e10cSrcweir {
343cdf0e10cSrcweir // get the rectangle, we wish to view
344cdf0e10cSrcweir Rectangle aWish( Point(0, 0), LogicToPixel(rNewSize) );
345cdf0e10cSrcweir
346cdf0e10cSrcweir // get maximum rectangle for us from our parent-window (subst our border!)
347cdf0e10cSrcweir Rectangle aMax( Point(0, 0), GetParent()->GetOutputSizePixel() );
348cdf0e10cSrcweir aMax.Left() -= ( Window::GetSizePixel().Width() -
349cdf0e10cSrcweir Window::GetOutputSizePixel().Width() );
350cdf0e10cSrcweir aMax.Bottom() -= (Window::GetSizePixel().Height() -
351cdf0e10cSrcweir Window::GetOutputSizePixel().Height());
352cdf0e10cSrcweir
353cdf0e10cSrcweir Size aWill( aWish.GetIntersection(aMax).GetSize() );
354cdf0e10cSrcweir sal_Bool bHScroll = sal_False;
355cdf0e10cSrcweir const long nScrSize = GetSettings().GetStyleSettings().GetScrollBarSize();
356cdf0e10cSrcweir if ( aWill.Width() < aWish.GetSize().Width() )
357cdf0e10cSrcweir { bHScroll = sal_True;
358cdf0e10cSrcweir aWill.Height() =
359cdf0e10cSrcweir Min( aWill.Height()+nScrSize, aMax.GetSize().Height() );
360cdf0e10cSrcweir }
361cdf0e10cSrcweir if ( aWill.Height() < aWish.GetSize().Height() )
362cdf0e10cSrcweir aWill.Width() =
363cdf0e10cSrcweir Min( aWill.Width()+nScrSize, aMax.GetSize().Width() );
364cdf0e10cSrcweir if ( !bHScroll && (aWill.Width() < aWish.GetSize().Width()) )
365cdf0e10cSrcweir aWill.Height() =
366cdf0e10cSrcweir Min( aWill.Height()+nScrSize, aMax.GetSize().Height() );
367cdf0e10cSrcweir Window::SetOutputSizePixel( aWill );
368cdf0e10cSrcweir }
369cdf0e10cSrcweir
370cdf0e10cSrcweir //-------------------------------------------------------------------
371cdf0e10cSrcweir
MakeVisible(const Rectangle & rTarget,sal_Bool bSloppy)372cdf0e10cSrcweir sal_Bool ScrollableWindow::MakeVisible( const Rectangle& rTarget, sal_Bool bSloppy )
373cdf0e10cSrcweir {
374cdf0e10cSrcweir Rectangle aTarget;
375cdf0e10cSrcweir Rectangle aTotRect( Point(0, 0), PixelToLogic( aTotPixSz ) );
376cdf0e10cSrcweir
377cdf0e10cSrcweir if ( bSloppy )
378cdf0e10cSrcweir {
379cdf0e10cSrcweir aTarget = rTarget;
380cdf0e10cSrcweir
381cdf0e10cSrcweir // at maximum to right border
382cdf0e10cSrcweir if ( aTarget.Right() > aTotRect.Right() )
383cdf0e10cSrcweir {
384cdf0e10cSrcweir long nDelta = aTarget.Right() - aTotRect.Right();
385cdf0e10cSrcweir aTarget.Left() -= nDelta;
386cdf0e10cSrcweir aTarget.Right() -= nDelta;
387cdf0e10cSrcweir
388cdf0e10cSrcweir // too wide?
389cdf0e10cSrcweir if ( aTarget.Left() < aTotRect.Left() )
390cdf0e10cSrcweir aTarget.Left() = aTotRect.Left();
391cdf0e10cSrcweir }
392cdf0e10cSrcweir
393cdf0e10cSrcweir // at maximum to bottom border
394cdf0e10cSrcweir if ( aTarget.Bottom() > aTotRect.Bottom() )
395cdf0e10cSrcweir {
396cdf0e10cSrcweir long nDelta = aTarget.Bottom() - aTotRect.Bottom();
397cdf0e10cSrcweir aTarget.Top() -= nDelta;
398cdf0e10cSrcweir aTarget.Bottom() -= nDelta;
399cdf0e10cSrcweir
400cdf0e10cSrcweir // too high?
401cdf0e10cSrcweir if ( aTarget.Top() < aTotRect.Top() )
402cdf0e10cSrcweir aTarget.Top() = aTotRect.Top();
403cdf0e10cSrcweir }
404cdf0e10cSrcweir
405cdf0e10cSrcweir // at maximum to left border
406cdf0e10cSrcweir if ( aTarget.Left() < aTotRect.Left() )
407cdf0e10cSrcweir {
408cdf0e10cSrcweir long nDelta = aTarget.Left() - aTotRect.Left();
409cdf0e10cSrcweir aTarget.Right() -= nDelta;
410cdf0e10cSrcweir aTarget.Left() -= nDelta;
411cdf0e10cSrcweir
412cdf0e10cSrcweir // too wide?
413cdf0e10cSrcweir if ( aTarget.Right() > aTotRect.Right() )
414cdf0e10cSrcweir aTarget.Right() = aTotRect.Right();
415cdf0e10cSrcweir }
416cdf0e10cSrcweir
417cdf0e10cSrcweir // at maximum to top border
418cdf0e10cSrcweir if ( aTarget.Top() < aTotRect.Top() )
419cdf0e10cSrcweir {
420cdf0e10cSrcweir long nDelta = aTarget.Top() - aTotRect.Top();
421cdf0e10cSrcweir aTarget.Bottom() -= nDelta;
422cdf0e10cSrcweir aTarget.Top() -= nDelta;
423cdf0e10cSrcweir
424cdf0e10cSrcweir // too high?
425cdf0e10cSrcweir if ( aTarget.Bottom() > aTotRect.Bottom() )
426cdf0e10cSrcweir aTarget.Bottom() = aTotRect.Bottom();
427cdf0e10cSrcweir }
428cdf0e10cSrcweir }
429cdf0e10cSrcweir else
430cdf0e10cSrcweir aTarget = rTarget.GetIntersection( aTotRect );
431cdf0e10cSrcweir
432cdf0e10cSrcweir // is the area already visible?
433cdf0e10cSrcweir Rectangle aVisArea( GetVisibleArea() );
434cdf0e10cSrcweir if ( aVisArea.IsInside(rTarget) )
435cdf0e10cSrcweir return sal_True;
436cdf0e10cSrcweir
437cdf0e10cSrcweir // is there somewhat to scroll?
438cdf0e10cSrcweir if ( aVisArea.TopLeft() != aTarget.TopLeft() )
439cdf0e10cSrcweir {
440cdf0e10cSrcweir Rectangle aBox( aTarget.GetUnion(aVisArea) );
441cdf0e10cSrcweir long nDeltaX = ( aBox.Right() - aVisArea.Right() ) +
442cdf0e10cSrcweir ( aBox.Left() - aVisArea.Left() );
443cdf0e10cSrcweir long nDeltaY = ( aBox.Top() - aVisArea.Top() ) +
444cdf0e10cSrcweir ( aBox.Bottom() - aVisArea.Bottom() );
445cdf0e10cSrcweir Scroll( nDeltaX, nDeltaY );
446cdf0e10cSrcweir }
447cdf0e10cSrcweir
448cdf0e10cSrcweir // determine if the target is completely visible
449cdf0e10cSrcweir return aVisArea.GetWidth() >= aTarget.GetWidth() &&
450cdf0e10cSrcweir aVisArea.GetHeight() >= aTarget.GetHeight();
451cdf0e10cSrcweir }
452cdf0e10cSrcweir
453cdf0e10cSrcweir //-------------------------------------------------------------------
454cdf0e10cSrcweir
GetVisibleArea() const455cdf0e10cSrcweir Rectangle ScrollableWindow::GetVisibleArea() const
456cdf0e10cSrcweir {
457cdf0e10cSrcweir Point aTopLeft( PixelToLogic( Point() ) );
458cdf0e10cSrcweir Size aSz( GetOutputSize() );
459cdf0e10cSrcweir return Rectangle( aTopLeft, aSz );
460cdf0e10cSrcweir }
461cdf0e10cSrcweir
462cdf0e10cSrcweir //-------------------------------------------------------------------
463cdf0e10cSrcweir
SetLineSize(sal_uLong nHorz,sal_uLong nVert)464cdf0e10cSrcweir void ScrollableWindow::SetLineSize( sal_uLong nHorz, sal_uLong nVert )
465cdf0e10cSrcweir {
466cdf0e10cSrcweir Size aPixSz( LogicToPixel( Size(nHorz, nVert) ) );
467cdf0e10cSrcweir nColumnPixW = aPixSz.Width();
468cdf0e10cSrcweir nLinePixH = aPixSz.Height();
469cdf0e10cSrcweir aVScroll.SetLineSize( nLinePixH );
470cdf0e10cSrcweir aHScroll.SetLineSize( nColumnPixW );
471cdf0e10cSrcweir }
472cdf0e10cSrcweir
473cdf0e10cSrcweir //-------------------------------------------------------------------
474cdf0e10cSrcweir
Scroll(long nDeltaX,long nDeltaY,sal_uInt16)475cdf0e10cSrcweir void ScrollableWindow::Scroll( long nDeltaX, long nDeltaY, sal_uInt16 )
476cdf0e10cSrcweir {
477cdf0e10cSrcweir if ( !bScrolling )
478cdf0e10cSrcweir StartScroll();
479cdf0e10cSrcweir
480cdf0e10cSrcweir // get the delta in pixel
481cdf0e10cSrcweir Size aDeltaPix( LogicToPixel( Size(nDeltaX, nDeltaY) ) );
482cdf0e10cSrcweir Size aOutPixSz( GetOutputSizePixel() );
483cdf0e10cSrcweir MapMode aMap( GetMapMode() );
484cdf0e10cSrcweir Point aNewPixOffset( aPixOffset );
485cdf0e10cSrcweir
486cdf0e10cSrcweir // scrolling horizontally?
487cdf0e10cSrcweir if ( nDeltaX != 0 )
488cdf0e10cSrcweir {
489cdf0e10cSrcweir aNewPixOffset.X() -= aDeltaPix.Width();
490cdf0e10cSrcweir if ( ( aOutPixSz.Width() - aNewPixOffset.X() ) > aTotPixSz.Width() )
491cdf0e10cSrcweir aNewPixOffset.X() = - ( aTotPixSz.Width() - aOutPixSz.Width() );
492cdf0e10cSrcweir else if ( aNewPixOffset.X() > 0 )
493cdf0e10cSrcweir aNewPixOffset.X() = 0;
494cdf0e10cSrcweir }
495cdf0e10cSrcweir
496cdf0e10cSrcweir // scrolling vertically?
497cdf0e10cSrcweir if ( nDeltaY != 0 )
498cdf0e10cSrcweir {
499cdf0e10cSrcweir aNewPixOffset.Y() -= aDeltaPix.Height();
500cdf0e10cSrcweir if ( ( aOutPixSz.Height() - aNewPixOffset.Y() ) > aTotPixSz.Height() )
501cdf0e10cSrcweir aNewPixOffset.Y() = - ( aTotPixSz.Height() - aOutPixSz.Height() );
502cdf0e10cSrcweir else if ( aNewPixOffset.Y() > 0 )
503cdf0e10cSrcweir aNewPixOffset.Y() = 0;
504cdf0e10cSrcweir }
505cdf0e10cSrcweir
506cdf0e10cSrcweir // recompute the logical scroll units
507cdf0e10cSrcweir aDeltaPix.Width() = aPixOffset.X() - aNewPixOffset.X();
508cdf0e10cSrcweir aDeltaPix.Height() = aPixOffset.Y() - aNewPixOffset.Y();
509cdf0e10cSrcweir Size aDelta( PixelToLogic(aDeltaPix) );
510cdf0e10cSrcweir nDeltaX = aDelta.Width();
511cdf0e10cSrcweir nDeltaY = aDelta.Height();
512cdf0e10cSrcweir aPixOffset = aNewPixOffset;
513cdf0e10cSrcweir
514cdf0e10cSrcweir // scrolling?
515cdf0e10cSrcweir if ( nDeltaX != 0 || nDeltaY != 0 )
516cdf0e10cSrcweir {
517cdf0e10cSrcweir Update();
518cdf0e10cSrcweir
519cdf0e10cSrcweir // does the new area overlap the old one?
520cdf0e10cSrcweir if ( Abs( (int)aDeltaPix.Height() ) < aOutPixSz.Height() ||
521cdf0e10cSrcweir Abs( (int)aDeltaPix.Width() ) < aOutPixSz.Width() )
522cdf0e10cSrcweir {
523cdf0e10cSrcweir // scroll the overlapping area
524cdf0e10cSrcweir SetMapMode( aMap );
525cdf0e10cSrcweir
526cdf0e10cSrcweir // never scroll the scrollbars itself!
527cdf0e10cSrcweir Window::Scroll(-nDeltaX, -nDeltaY,
528cdf0e10cSrcweir PixelToLogic( Rectangle( Point(0, 0), aOutPixSz ) ) );
529cdf0e10cSrcweir }
530cdf0e10cSrcweir else
531cdf0e10cSrcweir {
532cdf0e10cSrcweir // repaint all
533cdf0e10cSrcweir SetMapMode( aMap );
534cdf0e10cSrcweir Invalidate();
535cdf0e10cSrcweir }
536cdf0e10cSrcweir
537cdf0e10cSrcweir Update();
538cdf0e10cSrcweir }
539cdf0e10cSrcweir
540cdf0e10cSrcweir if ( !bScrolling )
541cdf0e10cSrcweir {
542cdf0e10cSrcweir EndScroll( nDeltaX, nDeltaY );
543cdf0e10cSrcweir if ( nDeltaX )
544cdf0e10cSrcweir aHScroll.SetThumbPos( -aPixOffset.X() );
545cdf0e10cSrcweir if ( nDeltaY )
546cdf0e10cSrcweir aVScroll.SetThumbPos( -aPixOffset.Y() );
547cdf0e10cSrcweir }
548cdf0e10cSrcweir }
549cdf0e10cSrcweir
550cdf0e10cSrcweir //-------------------------------------------------------------------
551cdf0e10cSrcweir
ScrollLines(long nLinesX,long nLinesY)552cdf0e10cSrcweir void ScrollableWindow::ScrollLines( long nLinesX, long nLinesY )
553cdf0e10cSrcweir {
554cdf0e10cSrcweir Size aDelta( PixelToLogic( Size( nColumnPixW, nLinePixH ) ) );
555cdf0e10cSrcweir Scroll( aDelta.Width()*nLinesX, aDelta.Height()*nLinesY );
556cdf0e10cSrcweir }
557cdf0e10cSrcweir
558cdf0e10cSrcweir //-------------------------------------------------------------------
559cdf0e10cSrcweir
ScrollPages(long nPagesX,sal_uLong nOverlapX,long nPagesY,sal_uLong nOverlapY)560cdf0e10cSrcweir void ScrollableWindow::ScrollPages( long nPagesX, sal_uLong nOverlapX,
561cdf0e10cSrcweir long nPagesY, sal_uLong nOverlapY )
562cdf0e10cSrcweir {
563cdf0e10cSrcweir Size aOutSz( GetVisibleArea().GetSize() );
564cdf0e10cSrcweir Scroll( nPagesX * aOutSz.Width() + (nPagesX>0 ? 1 : -1) * nOverlapX,
565cdf0e10cSrcweir nPagesY * aOutSz.Height() + (nPagesY>0 ? 1 : -1) * nOverlapY );
566cdf0e10cSrcweir }
567cdf0e10cSrcweir
568cdf0e10cSrcweir
569