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Diffstat (limited to '')
| -rw-r--r-- | vcl/source/control/PriorityMergedHBox.cxx | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/vcl/source/control/PriorityMergedHBox.cxx b/vcl/source/control/PriorityMergedHBox.cxx new file mode 100644 index 000000000..65d51cce3 --- /dev/null +++ b/vcl/source/control/PriorityMergedHBox.cxx @@ -0,0 +1,203 @@ +/* -*- 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: */ |