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Diffstat (limited to '')
| -rw-r--r-- | vcl/source/window/tabpage.cxx | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/vcl/source/window/tabpage.cxx b/vcl/source/window/tabpage.cxx new file mode 100644 index 000000000..34f52d8b3 --- /dev/null +++ b/vcl/source/window/tabpage.cxx @@ -0,0 +1,310 @@ +/* -*- 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 <vcl/event.hxx> +#include <vcl/layout.hxx> +#include <vcl/tabpage.hxx> +#include <vcl/bitmapex.hxx> +#include <vcl/settings.hxx> +#include <vcl/scrbar.hxx> +#include <svdata.hxx> + +void TabPage::ImplInit( vcl::Window* pParent, WinBits nStyle ) +{ + if ( !(nStyle & WB_NODIALOGCONTROL) ) + nStyle |= WB_DIALOGCONTROL; + + Window::ImplInit( pParent, nStyle, nullptr ); + + mbHasHoriBar = false; + mbHasVertBar = false; + + Link<ScrollBar*,void> aLink( LINK( this, TabPage, ScrollBarHdl ) ); + + if ( nStyle & ( WB_AUTOHSCROLL | WB_AUTOVSCROLL ) ) + { + if ( nStyle & WB_AUTOHSCROLL ) + { + mbHasHoriBar = true; + m_pHScroll.set(VclPtr<ScrollBar>::Create(this, (WB_HSCROLL | WB_DRAG))); + m_pHScroll->Show(); + m_pHScroll->SetScrollHdl(aLink); + } + if ( nStyle & WB_AUTOVSCROLL ) + { + mbHasVertBar = true; + m_pVScroll.set(VclPtr<ScrollBar>::Create(this, (WB_VSCROLL | WB_DRAG))); + m_pVScroll->Show(); + m_pVScroll->SetScrollHdl(aLink); + } + } + + if ( mbHasHoriBar || mbHasVertBar ) + { + SetStyle( GetStyle() | WB_CLIPCHILDREN ); + } + + mnScrWidth = Application::GetSettings().GetStyleSettings().GetScrollBarSize(); + + ImplInitSettings(); + + // if the tabpage is drawn (ie filled) by a native widget, make sure all controls will have transparent background + // otherwise they will paint with a wrong background + if( IsNativeControlSupported(ControlType::TabBody, ControlPart::Entire) && GetParent() && (GetParent()->GetType() == WindowType::TABCONTROL) ) + EnableChildTransparentMode(); +} + +void TabPage::ImplInitSettings() +{ + vcl::Window* pParent = GetParent(); + if (pParent && pParent->IsChildTransparentModeEnabled() && !IsControlBackground()) + { + EnableChildTransparentMode(); + SetParentClipMode( ParentClipMode::NoClip ); + SetPaintTransparent( true ); + SetBackground(); + } + else + { + EnableChildTransparentMode( false ); + SetParentClipMode(); + SetPaintTransparent( false ); + + if (IsControlBackground() || !pParent) + SetBackground( GetControlBackground() ); + else + SetBackground( pParent->GetBackground() ); + } +} + +TabPage::TabPage( vcl::Window* pParent, WinBits nStyle ) : + Window( WindowType::TABPAGE ) +{ + ImplInit( pParent, nStyle ); +} + +TabPage::~TabPage() +{ + disposeOnce(); +} + +void TabPage::dispose() +{ + m_pVScroll.disposeAndClear(); + m_pHScroll.disposeAndClear(); + vcl::Window::dispose(); +} + +void TabPage::StateChanged( StateChangedType nType ) +{ + Window::StateChanged( nType ); + + if ( nType == StateChangedType::InitShow ) + { + if (GetSettings().GetStyleSettings().GetAutoMnemonic()) + GenerateAutoMnemonicsOnHierarchy(this); + // FIXME: no layouting, workaround some clipping issues + ImplAdjustNWFSizes(); + } + else if ( nType == StateChangedType::ControlBackground ) + { + ImplInitSettings(); + Invalidate(); + } +} + +void TabPage::DataChanged( const DataChangedEvent& rDCEvt ) +{ + Window::DataChanged( rDCEvt ); + + if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) && + (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) ) + { + ImplInitSettings(); + Invalidate(); + } +} + +void TabPage::Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& ) +{ + // draw native tabpage only inside tabcontrols, standalone tabpages look ugly (due to bad dialog design) + if( !(IsNativeControlSupported(ControlType::TabBody, ControlPart::Entire) && GetParent() && (GetParent()->GetType() == WindowType::TABCONTROL)) ) + return; + + const ImplControlValue aControlValue; + + ControlState nState = ControlState::ENABLED; + if ( !IsEnabled() ) + nState &= ~ControlState::ENABLED; + if ( HasFocus() ) + nState |= ControlState::FOCUSED; + // pass the whole window region to NWF as the tab body might be a gradient or bitmap + // that has to be scaled properly, clipping makes sure that we do not paint too much + tools::Rectangle aCtrlRegion( Point(), GetOutputSizePixel() ); + rRenderContext.DrawNativeControl( ControlType::TabBody, ControlPart::Entire, aCtrlRegion, nState, + aControlValue, OUString() ); +} + +void TabPage::Draw( OutputDevice* pDev, const Point& rPos, SystemTextColorFlags ) +{ + Point aPos = pDev->LogicToPixel( rPos ); + Size aSize = GetSizePixel(); + + Wallpaper aWallpaper = GetBackground(); + if ( !aWallpaper.IsBitmap() ) + ImplInitSettings(); + + pDev->Push(); + pDev->SetMapMode(); + pDev->SetLineColor(); + + if ( aWallpaper.IsBitmap() ) + pDev->DrawBitmapEx( aPos, aSize, aWallpaper.GetBitmap() ); + else + { + if( aWallpaper.GetColor() == COL_AUTO ) + pDev->SetFillColor( GetSettings().GetStyleSettings().GetDialogColor() ); + else + pDev->SetFillColor( aWallpaper.GetColor() ); + pDev->DrawRect( tools::Rectangle( aPos, aSize ) ); + } + + pDev->Pop(); +} + +Size TabPage::GetOptimalSize() const +{ + if (isLayoutEnabled(this)) + return VclContainer::getLayoutRequisition(*GetWindow(GetWindowType::FirstChild)); + return getLegacyBestSizeForChildren(*this); +} + +void TabPage::SetPosSizePixel(const Point& rAllocPos, const Size& rAllocation) +{ + Window::SetPosSizePixel(rAllocPos, rAllocation); + if (isLayoutEnabled(this) && rAllocation.Width() && rAllocation.Height()) + VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), rAllocation); +} + +void TabPage::SetSizePixel(const Size& rAllocation) +{ + Window::SetSizePixel(rAllocation); + if (isLayoutEnabled(this) && rAllocation.Width() && rAllocation.Height()) + VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), rAllocation); +} + +void TabPage::SetPosPixel(const Point& rAllocPos) +{ + Window::SetPosPixel(rAllocPos); + Size aAllocation(GetOutputSizePixel()); + if (isLayoutEnabled(this) && aAllocation.Width() && aAllocation.Height()) + { + VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), aAllocation); + } +} + +void TabPage::lcl_Scroll( tools::Long nX, tools::Long nY ) +{ + tools::Long nXScroll = mnScrollPos.X() - nX; + tools::Long nYScroll = mnScrollPos.Y() - nY; + mnScrollPos = Point( nX, nY ); + + tools::Rectangle aScrollableArea( 0, 0, maScrollArea.Width(), maScrollArea.Height() ); + Scroll(nXScroll, nYScroll, aScrollableArea ); + // Manually scroll all children ( except the scrollbars ) + for ( int index = 0; index < GetChildCount(); ++index ) + { + vcl::Window* pChild = GetChild( index ); + if ( pChild && pChild != m_pVScroll.get() && pChild != m_pHScroll.get() ) + { + Point aPos = pChild->GetPosPixel(); + aPos += Point( nXScroll, nYScroll ); + pChild->SetPosPixel( aPos ); + } + } +} + +IMPL_LINK( TabPage, ScrollBarHdl, ScrollBar*, pSB, void ) +{ + sal_uInt16 nPos = static_cast<sal_uInt16>(pSB->GetThumbPos()); + if( pSB == m_pVScroll.get() ) + lcl_Scroll(mnScrollPos.X(), nPos ); + else if( pSB == m_pHScroll.get() ) + lcl_Scroll(nPos, mnScrollPos.Y() ); +} + +void TabPage::SetScrollTop( tools::Long nTop ) +{ + Point aOld = mnScrollPos; + lcl_Scroll( mnScrollPos.X() , mnScrollPos.Y() - nTop ); + if( m_pHScroll ) + m_pHScroll->SetThumbPos( 0 ); + // new pos is 0,0 + mnScrollPos = aOld; +} +void TabPage::SetScrollLeft( tools::Long nLeft ) +{ + Point aOld = mnScrollPos; + lcl_Scroll( mnScrollPos.X() - nLeft , mnScrollPos.Y() ); + if( m_pVScroll ) + m_pVScroll->SetThumbPos( 0 ); + // new pos is 0,0 + mnScrollPos = aOld; +} + +void TabPage::SetScrollWidth( tools::Long nWidth ) +{ + maScrollArea.setWidth( nWidth ); + ResetScrollBars(); +} + +void TabPage::SetScrollHeight( tools::Long nHeight ) +{ + maScrollArea.setHeight( nHeight ); + ResetScrollBars(); +} + +void TabPage::Resize() +{ + ResetScrollBars(); +} + +void TabPage::ResetScrollBars() +{ + Size aOutSz = GetOutputSizePixel(); + + Point aVPos( aOutSz.Width() - mnScrWidth, 0 ); + Point aHPos( 0, aOutSz.Height() - mnScrWidth ); + + if( m_pVScroll ) + { + m_pVScroll->SetPosSizePixel( aVPos, Size( mnScrWidth, GetSizePixel().Height() - mnScrWidth ) ); + m_pVScroll->SetRangeMax( maScrollArea.Height() + mnScrWidth ); + m_pVScroll->SetVisibleSize( GetSizePixel().Height() ); + } + + if( m_pHScroll ) + { + m_pHScroll->SetPosSizePixel( aHPos, Size( GetSizePixel().Width() - mnScrWidth, mnScrWidth ) ); + m_pHScroll->SetRangeMax( maScrollArea.Width() + mnScrWidth ); + m_pHScroll->SetVisibleSize( GetSizePixel().Width() ); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |