Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */