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/* -*- 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/dockwin.hxx>
#include <vcl/toolkit/floatwin.hxx>
#include <vcl/taskpanelist.hxx>
#include <svdata.hxx>
#include "menubarwindow.hxx"
#include <algorithm>
namespace {
Point ImplTaskPaneListGetPos( const vcl::Window *w )
{
Point pos;
if( w->IsDockingWindow() )
{
pos = static_cast<const DockingWindow*>(w)->GetPosPixel();
vcl::Window *pF = static_cast<const DockingWindow*>(w)->GetFloatingWindow();
if( pF )
pos = pF->OutputToAbsoluteScreenPixel( pF->ScreenToOutputPixel( pos ) );
else
pos = w->OutputToAbsoluteScreenPixel( pos );
}
else
pos = w->OutputToAbsoluteScreenPixel( w->GetPosPixel() );
return pos;
}
// compares window pos left-to-right
struct LTRSort
{
bool operator()( const vcl::Window* w1, const vcl::Window* w2 ) const
{
Point pos1(ImplTaskPaneListGetPos( w1 ));
Point pos2(ImplTaskPaneListGetPos( w2 ));
if( pos1.X() == pos2.X() )
return ( pos1.Y() < pos2.Y() );
else
return ( pos1.X() < pos2.X() );
}
};
}
static void ImplTaskPaneListGrabFocus( vcl::Window *pWindow, bool bForward )
{
// put focus in child of floating windows which is typically a toolbar
// that can deal with the focus
if( pWindow->ImplIsFloatingWindow() && pWindow->GetWindow( GetWindowType::FirstChild ) )
pWindow = pWindow->GetWindow( GetWindowType::FirstChild );
pWindow->ImplGrabFocus( GetFocusFlags::F6 | (bForward ? GetFocusFlags::Forward : GetFocusFlags::Backward));
}
TaskPaneList::TaskPaneList()
{
}
TaskPaneList::~TaskPaneList()
{
}
void TaskPaneList::AddWindow( vcl::Window *pWindow )
{
if( !pWindow )
return;
auto insertionPos = dynamic_cast<MenuBarWindow*>(pWindow) ? mTaskPanes.begin() : mTaskPanes.end();
for ( auto p = mTaskPanes.begin(); p != mTaskPanes.end(); ++p )
{
if ( *p == pWindow )
// avoid duplicates
return;
// If the new window is the child of an existing pane window, or vice versa,
// ensure that in our pane list, *first* the child window appears, *then*
// the ancestor window.
// This is necessary for HandleKeyEvent: There, the list is traveled from the
// beginning, until the first window is found which has the ChildPathFocus. Now
// if this would be the ancestor window of another pane window, this would fudge
// the result
if ( pWindow->IsWindowOrChild( *p ) )
{
insertionPos = p + 1;
break;
}
if ( (*p)->IsWindowOrChild( pWindow ) )
{
insertionPos = p;
break;
}
}
mTaskPanes.insert( insertionPos, pWindow );
pWindow->ImplIsInTaskPaneList( true );
}
void TaskPaneList::RemoveWindow( vcl::Window *pWindow )
{
auto p = ::std::find( mTaskPanes.begin(), mTaskPanes.end(), VclPtr<vcl::Window>(pWindow) );
if( p != mTaskPanes.end() )
{
mTaskPanes.erase( p );
pWindow->ImplIsInTaskPaneList( false );
}
}
bool TaskPaneList::IsInList( vcl::Window *pWindow )
{
auto p = ::std::find( mTaskPanes.begin(), mTaskPanes.end(), VclPtr<vcl::Window>(pWindow) );
return p != mTaskPanes.end();
}
bool TaskPaneList::IsCycleKey(const vcl::KeyCode& rKeyCode)
{
return rKeyCode.GetCode() == KEY_F6 && !rKeyCode.IsMod2(); // F6
}
bool TaskPaneList::HandleKeyEvent(const KeyEvent& rKeyEvent)
{
// F6 cycles through everything and works always
// MAV, #i104204#
// The old design was the following one:
// < Ctrl-TAB cycles through Menubar, Toolbars and Floatingwindows only and is
// < only active if one of those items has the focus
// Since the design of Ctrl-Tab looks to be inconsistent ( non-modal dialogs are not reachable
// and the shortcut conflicts with tab-control shortcut ), it is no more supported
vcl::KeyCode aKeyCode = rKeyEvent.GetKeyCode();
bool bForward = !aKeyCode.IsShift();
if (TaskPaneList::IsCycleKey(aKeyCode))
{
bool bSplitterOnly = aKeyCode.IsMod1() && aKeyCode.IsShift();
// is the focus in the list ?
auto p = std::find_if(mTaskPanes.begin(), mTaskPanes.end(),
[](const VclPtr<vcl::Window>& rWinPtr) { return rWinPtr->HasChildPathFocus( true ); });
if( p != mTaskPanes.end() )
{
vcl::Window *pWin = p->get();
// Ctrl-F6 goes directly to the document
if( !pWin->IsDialog() && aKeyCode.IsMod1() && !aKeyCode.IsShift() )
{
pWin->ImplGrabFocusToDocument( GetFocusFlags::F6 );
return true;
}
// activate next task pane
vcl::Window *pNextWin = nullptr;
if( bSplitterOnly )
pNextWin = FindNextSplitter( *p );
else
pNextWin = FindNextFloat( *p, bForward );
if( pNextWin != pWin )
{
ImplGetSVData()->mpWinData->mbNoSaveFocus = true;
ImplTaskPaneListGrabFocus( pNextWin, bForward );
ImplGetSVData()->mpWinData->mbNoSaveFocus = false;
}
else
{
// forward key if no splitter found
if( bSplitterOnly )
return false;
// we did not find another taskpane, so
// put focus back into document
pWin->ImplGrabFocusToDocument( GetFocusFlags::F6 | (bForward ? GetFocusFlags::Forward : GetFocusFlags::Backward));
}
return true;
}
// the focus is not in the list: activate first float if F6 was pressed
vcl::Window *pWin;
if( bSplitterOnly )
pWin = FindNextSplitter( nullptr );
else
pWin = FindNextFloat( nullptr, bForward );
if( pWin )
{
ImplTaskPaneListGrabFocus( pWin, bForward );
return true;
}
}
return false;
}
// returns next splitter
vcl::Window* TaskPaneList::FindNextSplitter( vcl::Window *pWindow )
{
::std::stable_sort( mTaskPanes.begin(), mTaskPanes.end(), LTRSort() );
auto p = mTaskPanes.begin();
if( pWindow )
p = std::find(mTaskPanes.begin(), mTaskPanes.end(), pWindow);
if( p != mTaskPanes.end() )
{
unsigned n = mTaskPanes.size();
while( --n )
{
if( pWindow ) // increment before test
++p;
if( p == mTaskPanes.end() )
p = mTaskPanes.begin();
if( (*p)->ImplIsSplitter() && (*p)->IsReallyVisible() && !(*p)->IsDialog() && (*p)->GetParent()->HasChildPathFocus() )
{
pWindow = (*p).get();
break;
}
if( !pWindow ) // increment after test, otherwise first element is skipped
++p;
}
}
return pWindow;
}
// returns first valid item (regardless of type) if pWindow==0, otherwise returns next valid float
vcl::Window* TaskPaneList::FindNextFloat( vcl::Window *pWindow, bool bForward )
{
::std::stable_sort( mTaskPanes.begin(), mTaskPanes.end(), LTRSort() );
if ( !bForward )
::std::reverse( mTaskPanes.begin(), mTaskPanes.end() );
auto p = mTaskPanes.begin();
if( pWindow )
p = std::find(mTaskPanes.begin(), mTaskPanes.end(), pWindow);
while( p != mTaskPanes.end() )
{
if( pWindow ) // increment before test
++p;
if( p == mTaskPanes.end() )
break; // do not wrap, send focus back to document at end of list
/* #i83908# do not use the menubar if it is native and invisible
*/
bool bSkip = false; // used to skip infobar when it has no children
if( (*p)->GetType() == WindowType::WINDOW && (*p)->GetChildCount() == 0 )
bSkip = true;
if( !bSkip && (*p)->IsReallyVisible() && !(*p)->ImplIsSplitter() &&
( (*p)->GetType() != WindowType::MENUBARWINDOW || static_cast<MenuBarWindow*>(p->get())->CanGetFocus() ) )
{
pWindow = (*p).get();
break;
}
if( !pWindow ) // increment after test, otherwise first element is skipped
++p;
}
if ( !bForward )
::std::reverse( mTaskPanes.begin(), mTaskPanes.end() );
return pWindow;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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