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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/toolkit/button.hxx>
#include <vcl/layout.hxx>
#include <bitmaps.hlst>
#include <NotebookbarPopup.hxx>
#include <PriorityHBox.hxx>
#include <PriorityMergedHBox.hxx>
#include <comphelper/lok.hxx>
#define DUMMY_WIDTH 50
#define BUTTON_WIDTH 30
/*
* PriorityMergedHBox is a VclHBox which hides its own children if there is no sufficient space.
*/
PriorityMergedHBox::PriorityMergedHBox(vcl::Window* pParent)
: PriorityHBox(pParent)
{
m_pButton = VclPtr<PushButton>::Create(this, WB_FLATBUTTON);
m_pButton->SetClickHdl(LINK(this, PriorityMergedHBox, PBClickHdl));
m_pButton->SetModeImage(Image(StockImage::Yes, CHEVRON));
m_pButton->set_width_request(25);
m_pButton->set_pack_type(VclPackType::End);
m_pButton->Show();
}
void PriorityMergedHBox::Resize()
{
if (comphelper::LibreOfficeKit::isActive())
return VclHBox::Resize();
if (!m_bInitialized)
Initialize();
if (!m_bInitialized)
{
return VclHBox::Resize();
}
tools::Long nWidth = GetSizePixel().Width();
tools::Long nCurrentWidth = VclHBox::calculateRequisition().getWidth() + BUTTON_WIDTH;
// Hide lower priority controls
for (int i = GetChildCount() - 1; i >= 0; i--)
{
vcl::Window* pWindow = GetChild(i);
if (nCurrentWidth <= nWidth)
break;
if (pWindow && pWindow->GetParent() == this && pWindow->IsVisible())
{
if (pWindow->GetOutputSizePixel().Width())
nCurrentWidth -= pWindow->GetOutputSizePixel().Width();
else
nCurrentWidth -= DUMMY_WIDTH;
pWindow->Hide();
}
}
// Show higher priority controls if we already have enough space
for (int i = 0; i < GetChildCount(); i++)
{
vcl::Window* pWindow = GetChild(i);
if (pWindow->GetParent() != this)
{
continue;
}
if (pWindow && !pWindow->IsVisible())
{
pWindow->Show();
nCurrentWidth += getLayoutRequisition(*pWindow).Width() + get_spacing();
if (nCurrentWidth > nWidth)
{
pWindow->Hide();
break;
}
}
}
VclHBox::Resize();
if (GetHiddenCount())
m_pButton->Show();
else
m_pButton->Hide();
}
void PriorityMergedHBox::dispose()
{
m_pButton.disposeAndClear();
if (m_pPopup)
m_pPopup.disposeAndClear();
PriorityHBox::dispose();
}
int PriorityMergedHBox::GetHiddenCount() const
{
int nCount = 0;
for (int i = GetChildCount() - 1; i >= 0; i--)
{
vcl::Window* pWindow = GetChild(i);
if (pWindow && pWindow->GetParent() == this && !pWindow->IsVisible())
nCount++;
}
return nCount;
}
Size PriorityMergedHBox::calculateRequisition() const
{
if (!m_bInitialized)
{
return VclHBox::calculateRequisition();
}
sal_uInt16 nVisibleChildren = 0;
Size aSize;
for (vcl::Window* pChild = GetWindow(GetWindowType::FirstChild); pChild;
pChild = pChild->GetWindow(GetWindowType::Next))
{
if (!pChild->IsVisible())
continue;
++nVisibleChildren;
Size aChildSize = getLayoutRequisition(*pChild);
tools::Long nPrimaryDimension = getPrimaryDimension(aChildSize);
nPrimaryDimension += pChild->get_padding() * 2;
setPrimaryDimension(aChildSize, nPrimaryDimension);
accumulateMaxes(aChildSize, aSize);
}
// find max height
for (vcl::Window* pChild = GetWindow(GetWindowType::FirstChild); pChild;
pChild = pChild->GetWindow(GetWindowType::Next))
{
Size aChildSize = getLayoutRequisition(*pChild);
setPrimaryDimension(aChildSize, getPrimaryDimension(aSize));
accumulateMaxes(aChildSize, aSize);
}
setPrimaryDimension(aSize, 200);
return finalizeMaxes(aSize, nVisibleChildren);
}
IMPL_LINK(PriorityMergedHBox, PBClickHdl, Button*, /*pButton*/, void)
{
if (m_pPopup)
m_pPopup.disposeAndClear();
m_pPopup = VclPtr<NotebookbarPopup>::Create(this);
for (int i = 0; i < GetChildCount(); i++)
{
vcl::Window* pWindow = GetChild(i);
if (pWindow != m_pButton)
{
if (!pWindow->IsVisible())
{
pWindow->Show();
pWindow->SetParent(m_pPopup->getBox());
// count is decreased because we moved child
i--;
}
}
}
m_pPopup->hideSeparators(true);
tools::Long x = m_pButton->GetPosPixel().getX();
tools::Long y = m_pButton->GetPosPixel().getY() + GetSizePixel().Height();
tools::Rectangle aRect(x, y, x, y);
m_pPopup->StartPopupMode(aRect, FloatWinPopupFlags::Down | FloatWinPopupFlags::GrabFocus
| FloatWinPopupFlags::AllMouseButtonClose);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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