/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#include <tools/poly.hxx>
#include <vcl/event.hxx>
#include <vcl/split.hxx>
#include <vcl/svapp.hxx>
#include <vcl/syswin.hxx>
#include <vcl/taskpanelist.hxx>
#include <vcl/lineinfo.hxx>
#include <vcl/settings.hxx>
#include <vcl/ptrstyle.hxx>
#include <tools/lazydelete.hxx>
#include <window.h>
namespace
{
Wallpaper& ImplBlackWall()
{
static tools::DeleteOnDeinit< Wallpaper > SINGLETON(COL_BLACK);
return *SINGLETON.get();
}
Wallpaper& ImplWhiteWall()
{
static tools::DeleteOnDeinit< Wallpaper > SINGLETON(COL_LIGHTGRAY);
return *SINGLETON.get();
}
}
// Should only be called from an ImplInit method for initialization or
// after checking bNew is different from the current mbHorzSplit value.
// The public method that does that check is Splitter::SetHorizontal().
void Splitter::ImplInitHorVer(bool bNew)
{
mbHorzSplit = bNew;
PointerStyle ePointerStyle;
const StyleSettings& rSettings = GetSettings().GetStyleSettings();
if ( mbHorzSplit )
{
ePointerStyle = PointerStyle::HSplit;
SetSizePixel( Size( StyleSettings::GetSplitSize(), rSettings.GetScrollBarSize() ) );
}
else
{
ePointerStyle = PointerStyle::VSplit;
SetSizePixel( Size( rSettings.GetScrollBarSize(), StyleSettings::GetSplitSize() ) );
}
SetPointer( ePointerStyle );
}
void Splitter::ImplInit( vcl::Window* pParent, WinBits nWinStyle )
{
Window::ImplInit( pParent, nWinStyle, nullptr );
mpRefWin = pParent;
ImplInitHorVer(nWinStyle & WB_HSCROLL);
if ( GetSettings().GetStyleSettings().GetFaceColor().IsDark() )
SetBackground( ImplWhiteWall() );
else
SetBackground( ImplBlackWall() );
TaskPaneList *pTList = GetSystemWindow()->GetTaskPaneList();
pTList->AddWindow( this );
}
void Splitter::ImplSplitMousePos( Point& rPos )
{
if ( mbHorzSplit )
{
if ( rPos.X() > maDragRect.Right()-1 )
rPos.setX( maDragRect.Right()-1 );
if ( rPos.X() < maDragRect.Left()+1 )
rPos.setX( maDragRect.Left()+1 );
}
else
{
if ( rPos.Y() > maDragRect.Bottom()-1 )
rPos.setY( maDragRect.Bottom()-1 );
if ( rPos.Y() < maDragRect.Top()+1 )
rPos.setY( maDragRect.Top()+1 );
}
}
void Splitter::ImplDrawSplitter()
{
tools::Rectangle aInvRect( maDragRect );
if ( mbHorzSplit )
{
aInvRect.SetLeft( maDragPos.X() - 1 );
aInvRect.SetRight( maDragPos.X() + 1 );
}
else
{
aInvRect.SetTop( maDragPos.Y() - 1 );
aInvRect.SetBottom( maDragPos.Y() + 1 );
}
mpRefWin->InvertTracking( mpRefWin->PixelToLogic(aInvRect), ShowTrackFlags::Split );
}
Splitter::Splitter( vcl::Window* pParent, WinBits nStyle ) :
Window( WindowType::SPLITTER ),
mpRefWin( nullptr ),
mnSplitPos( 0 ),
mnLastSplitPos( 0 ),
mnStartSplitPos( 0 ),
mbDragFull( false ),
mbKbdSplitting( false ),
mbInKeyEvent( false ),
mnKeyboardStepSize( SPLITTER_DEFAULTSTEPSIZE )
{
ImplGetWindowImpl()->mbSplitter = true ;
ImplInit( pParent, nStyle );
GetOutDev()->SetLineColor();
GetOutDev()->SetFillColor();
}
Splitter::~Splitter()
{
disposeOnce();
}
void Splitter::dispose()
{
SystemWindow *pSysWin = GetSystemWindow();
if (pSysWin)
{
TaskPaneList *pTList = pSysWin->GetTaskPaneList();
pTList->RemoveWindow(this );
}
mpRefWin.reset();
Window::dispose();
}
void Splitter::SetHorizontal(bool bNew)
{
if (bNew != mbHorzSplit)
{
ImplInitHorVer(bNew);
}
}
void Splitter::SetKeyboardStepSize( tools::Long nStepSize )
{
mnKeyboardStepSize = nStepSize;
}
Splitter* Splitter::ImplFindSibling()
{
// look for another splitter with the same parent but different orientation
vcl::Window *pWin = GetParent()->GetWindow( GetWindowType::FirstChild );
Splitter *pSplitter = nullptr;
while ( pWin )
{
if ( pWin->ImplIsSplitter() )
{
pSplitter = static_cast <Splitter*>(pWin);
if ( pSplitter != this && IsHorizontal() != pSplitter->IsHorizontal() )
return pSplitter;
}
pWin = pWin->GetWindow( GetWindowType::Next );
}
return nullptr;
}
bool Splitter::ImplSplitterActive()
{
// is splitter in document or at scrollbar handle ?
bool bActive = true ;
const StyleSettings& rSettings = GetSettings().GetStyleSettings();
tools::Long nA = rSettings.GetScrollBarSize();
tools::Long nB = StyleSettings::GetSplitSize();
Size aSize = GetOutDev()->GetOutputSize();
if ( mbHorzSplit )
{
if ( aSize.Width() == nB && aSize.Height() == nA )
bActive = false ;
}
else
{
if ( aSize.Width() == nA && aSize.Height() == nB )
bActive = false ;
}
return bActive;
}
void Splitter::MouseButtonDown( const MouseEvent& rMEvt )
{
if ( rMEvt.GetClicks() == 2 )
{
if ( mnLastSplitPos != mnSplitPos )
{
StartSplit();
Point aPos = rMEvt.GetPosPixel();
if ( mbHorzSplit )
aPos.setX( mnLastSplitPos );
else
aPos.setY( mnLastSplitPos );
ImplSplitMousePos( aPos );
tools::Long nTemp = mnSplitPos;
if ( mbHorzSplit )
SetSplitPosPixel( aPos.X() );
else
SetSplitPosPixel( aPos.Y() );
mnLastSplitPos = nTemp;
Split();
EndSplit();
}
}
else
StartDrag();
}
void Splitter::Tracking( const TrackingEvent& rTEvt )
{
if ( rTEvt.IsTrackingEnded() )
{
if ( !mbDragFull )
ImplDrawSplitter();
if ( !rTEvt.IsTrackingCanceled() )
{
tools::Long nNewPos;
if ( mbHorzSplit )
nNewPos = maDragPos.X();
else
nNewPos = maDragPos.Y();
if ( nNewPos != mnStartSplitPos )
{
SetSplitPosPixel( nNewPos );
mnLastSplitPos = 0 ;
Split();
}
EndSplit();
}
else if ( mbDragFull )
{
SetSplitPosPixel( mnStartSplitPos );
Split();
}
mnStartSplitPos = 0 ;
}
else
{
//Point aNewPos = mpRefWin->ScreenToOutputPixel( OutputToScreenPixel( rTEvt.GetMouseEvent().GetPosPixel() ) );
Point aNewPos = mpRefWin->NormalizedScreenToOutputPixel( OutputToNormalizedScreenPixel( rTEvt.GetMouseEvent().GetPosPixel() ) );
ImplSplitMousePos( aNewPos );
if ( mbHorzSplit )
{
if ( aNewPos.X() == maDragPos.X() )
return ;
}
else
{
if ( aNewPos.Y() == maDragPos.Y() )
return ;
}
if ( mbDragFull )
{
maDragPos = aNewPos;
tools::Long nNewPos;
if ( mbHorzSplit )
nNewPos = maDragPos.X();
else
nNewPos = maDragPos.Y();
if ( nNewPos != mnSplitPos )
{
SetSplitPosPixel( nNewPos );
mnLastSplitPos = 0 ;
Split();
}
GetParent()->PaintImmediately();
}
else
{
ImplDrawSplitter();
maDragPos = aNewPos;
ImplDrawSplitter();
}
}
}
void Splitter::ImplKbdTracking( vcl::KeyCode aKeyCode )
{
sal_uInt16 nCode = aKeyCode.GetCode();
if ( nCode == KEY_ESCAPE || nCode == KEY_RETURN )
{
if ( !mbKbdSplitting )
return ;
else
mbKbdSplitting = false ;
if ( nCode != KEY_ESCAPE )
{
tools::Long nNewPos;
if ( mbHorzSplit )
nNewPos = maDragPos.X();
else
nNewPos = maDragPos.Y();
if ( nNewPos != mnStartSplitPos )
{
SetSplitPosPixel( nNewPos );
mnLastSplitPos = 0 ;
Split();
}
}
else
{
SetSplitPosPixel( mnStartSplitPos );
Split();
EndSplit();
}
mnStartSplitPos = 0 ;
}
else
{
Point aNewPos;
Size aSize = mpRefWin->GetOutDev()->GetOutputSize();
Point aPos = GetPosPixel();
// depending on the position calc allows continuous moves or snaps to row/columns
// continuous mode is active when position is at the origin or end of the splitter
// otherwise snap mode is active
// default here is snap, holding shift sets continuous mode
if ( mbHorzSplit )
aNewPos = Point( ImplSplitterActive() ? aPos.X() : mnSplitPos, aKeyCode.IsShift() ? 0 : aSize.Height()/2 );
else
aNewPos = Point( aKeyCode.IsShift() ? 0 : aSize.Width()/2 , ImplSplitterActive() ? aPos.Y() : mnSplitPos );
Point aOldWindowPos = GetPosPixel();
int maxiter = 500 ; // avoid endless loop
int delta=0 ;
int delta_step = mbHorzSplit ? aSize.Width()/10 : aSize.Height()/10 ;
// use the specified step size if it was set
if ( mnKeyboardStepSize != SPLITTER_DEFAULTSTEPSIZE )
delta_step = mnKeyboardStepSize;
while ( maxiter-- && aOldWindowPos == GetPosPixel() )
{
// inc/dec position until application performs changes
// thus a single key press really moves the splitter
if ( aKeyCode.IsShift() )
delta++;
else
delta += delta_step;
switch ( nCode )
{
case KEY_LEFT:
aNewPos.AdjustX( -delta );
break ;
case KEY_RIGHT:
aNewPos.AdjustX(delta );
break ;
case KEY_UP:
aNewPos.AdjustY( -delta );
break ;
case KEY_DOWN:
aNewPos.AdjustY(delta );
break ;
default :
maxiter = 0 ; // leave loop
break ;
}
ImplSplitMousePos( aNewPos );
if ( mbHorzSplit )
{
if ( aNewPos.X() == maDragPos.X() )
continue ;
}
else
{
if ( aNewPos.Y() == maDragPos.Y() )
continue ;
}
maDragPos = aNewPos;
tools::Long nNewPos;
if ( mbHorzSplit )
nNewPos = maDragPos.X();
else
nNewPos = maDragPos.Y();
if ( nNewPos != mnSplitPos )
{
SetSplitPosPixel( nNewPos );
mnLastSplitPos = 0 ;
Split();
}
GetParent()->PaintImmediately();
}
}
}
void Splitter::StartSplit()
{
maStartSplitHdl.Call( this );
}
void Splitter::Split()
{
maSplitHdl.Call( this );
}
void Splitter::EndSplit()
{
maEndSplitHdl.Call( this );
}
void Splitter::SetDragRectPixel( const tools::Rectangle& rDragRect, vcl::Window* _pRefWin )
{
maDragRect = rDragRect;
if ( !_pRefWin )
mpRefWin = GetParent();
else
mpRefWin = _pRefWin;
}
void Splitter::SetSplitPosPixel( tools::Long nNewPos )
{
mnSplitPos = nNewPos;
}
void Splitter::StartDrag()
{
if ( IsTracking() )
return ;
StartSplit();
// Start tracking
StartTracking();
// Determine start position
maDragPos = mpRefWin->GetPointerPosPixel();
ImplSplitMousePos( maDragPos );
if ( mbHorzSplit )
mnStartSplitPos = maDragPos.X();
else
mnStartSplitPos = maDragPos.Y();
mbDragFull = bool (Application::GetSettings().GetStyleSettings().GetDragFullOptions() & DragFullOptions::Split);
if ( !mbDragFull )
ImplDrawSplitter();
}
void Splitter::ImplStartKbdSplitting()
{
if ( mbKbdSplitting )
return ;
mbKbdSplitting = true ;
StartSplit();
// determine start position
// because we have no mouse position we take either the position
// of the splitter window or the last split position
// the other coordinate is just the center of the reference window
Size aSize = mpRefWin->GetOutDev()->GetOutputSize();
Point aPos = GetPosPixel();
if ( mbHorzSplit )
maDragPos = Point( ImplSplitterActive() ? aPos.X() : mnSplitPos, aSize.Height()/2 );
else
maDragPos = Point( aSize.Width()/2 , ImplSplitterActive() ? aPos.Y() : mnSplitPos );
ImplSplitMousePos( maDragPos );
if ( mbHorzSplit )
mnStartSplitPos = maDragPos.X();
else
mnStartSplitPos = maDragPos.Y();
}
void Splitter::ImplRestoreSplitter()
{
// set splitter in the center of the ref window
StartSplit();
Size aSize = mpRefWin->GetOutDev()->GetOutputSize();
Point aPos( aSize.Width()/2 , aSize.Height()/2 );
if ( mnLastSplitPos != mnSplitPos && mnLastSplitPos > 5 )
{
// restore last pos if it was a useful position (>5)
if ( mbHorzSplit )
aPos.setX( mnLastSplitPos );
else
aPos.setY( mnLastSplitPos );
}
ImplSplitMousePos( aPos );
tools::Long nTemp = mnSplitPos;
if ( mbHorzSplit )
SetSplitPosPixel( aPos.X() );
else
SetSplitPosPixel( aPos.Y() );
mnLastSplitPos = nTemp;
Split();
EndSplit();
}
void Splitter::GetFocus()
{
if ( !ImplSplitterActive() )
ImplRestoreSplitter();
Invalidate();
}
void Splitter::LoseFocus()
{
if ( mbKbdSplitting )
{
vcl::KeyCode aReturnKey( KEY_RETURN );
ImplKbdTracking( aReturnKey );
mbKbdSplitting = false ;
}
Invalidate();
}
void Splitter::KeyInput( const KeyEvent& rKEvt )
{
if ( mbInKeyEvent )
return ;
mbInKeyEvent = true ;
Splitter *pSibling = ImplFindSibling();
vcl::KeyCode aKeyCode = rKEvt.GetKeyCode();
sal_uInt16 nCode = aKeyCode.GetCode();
switch ( nCode )
{
case KEY_UP:
case KEY_DOWN:
if ( !mbHorzSplit )
{
ImplStartKbdSplitting();
ImplKbdTracking( aKeyCode );
}
else
{
if ( pSibling )
{
pSibling->GrabFocus();
pSibling->KeyInput( rKEvt );
}
}
break ;
case KEY_RIGHT:
case KEY_LEFT:
if ( mbHorzSplit )
{
ImplStartKbdSplitting();
ImplKbdTracking( aKeyCode );
}
else
{
if ( pSibling )
{
pSibling->GrabFocus();
pSibling->KeyInput( rKEvt );
}
}
break ;
case KEY_DELETE:
if ( ImplSplitterActive() )
{
if ( mbKbdSplitting )
{
vcl::KeyCode aKey( KEY_ESCAPE );
ImplKbdTracking( aKey );
}
StartSplit();
Point aPos;
if ( mbHorzSplit )
aPos.setX( 0 );
else
aPos.setY( 0 );
ImplSplitMousePos( aPos );
tools::Long nTemp = mnSplitPos;
if ( mbHorzSplit )
SetSplitPosPixel( aPos.X() );
else
SetSplitPosPixel( aPos.Y() );
mnLastSplitPos = nTemp;
Split();
EndSplit();
// Shift-Del deletes both splitters
if ( aKeyCode.IsShift() && pSibling )
pSibling->KeyInput( rKEvt );
GrabFocusToDocument();
}
break ;
case KEY_ESCAPE:
if ( mbKbdSplitting )
ImplKbdTracking( aKeyCode );
else
GrabFocusToDocument();
break ;
case KEY_RETURN:
ImplKbdTracking( aKeyCode );
GrabFocusToDocument();
break ;
default : // let any key input fix the splitter
Window::KeyInput( rKEvt );
GrabFocusToDocument();
break ;
}
mbInKeyEvent = false ;
}
void Splitter::DataChanged( const DataChangedEvent& rDCEvt )
{
Window::DataChanged( rDCEvt );
if ( rDCEvt.GetType() != DataChangedEventType::SETTINGS )
return ;
const AllSettings* pOldSettings = rDCEvt.GetOldSettings();
if (!pOldSettings)
return ;
Color oldFaceColor = pOldSettings->GetStyleSettings().GetFaceColor();
Color newFaceColor = Application::GetSettings().GetStyleSettings().GetFaceColor();
if ( oldFaceColor.IsDark() != newFaceColor.IsDark() )
{
if ( newFaceColor.IsDark() )
SetBackground( ImplWhiteWall() );
else
SetBackground( ImplBlackWall() );
}
}
void Splitter::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rPaintRect)
{
rRenderContext.DrawRect(rPaintRect);
tools::Polygon aPoly(rPaintRect);
tools::PolyPolygon aPolyPoly(aPoly);
rRenderContext.DrawTransparent(aPolyPoly, 85 );
if (mbKbdSplitting)
{
LineInfo aInfo( LineStyle::Dash );
//aInfo.SetDashLen( 2 );
//aInfo.SetDashCount( 1 );
aInfo.SetDistance( 1 );
aInfo.SetDotLen( 2 );
aInfo.SetDotCount( 3 );
rRenderContext.DrawPolyLine( aPoly, aInfo );
}
else
{
rRenderContext.DrawRect(rPaintRect);
}
}
Size Splitter::GetOptimalSize() const
{
return LogicToPixel(Size(3 , 3 ), MapMode(MapUnit::MapAppFont));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=97 H=99 G=97
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-10)
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