GSoC notebookbar: dropdown with hidden objects

+ added dropdown for hidden content

Change-Id: I86c9277d91b18fbe9e8505ccf170196fdb28638f
Reviewed-on: https://gerrit.libreoffice.org/27241
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

6 files changed, 257 insertions, 4 deletions

diff --git a/sfx2/Library_sfx.mk b/sfx2/Library_sfx.mk
index fddb89b8af75..1a28afd63dee 100644
--- a/sfx2/Library_sfx.mk
+++ b/sfx2/Library_sfx.mk
@@ -234,6 +234,7 @@ $(eval $(call gb_Library_add_exception_objects,sfx,\
     sfx2/source/doc/saveastemplatedlg \
     sfx2/source/explorer/nochaos \
     sfx2/source/inet/inettbc \
+    sfx2/source/notebookbar/DropdownBox \
     sfx2/source/notebookbar/PriorityHBox \
     sfx2/source/notebookbar/SfxNotebookBar \
     sfx2/source/notify/eventsupplier \
diff --git a/sfx2/UIConfig_sfx.mk b/sfx2/UIConfig_sfx.mk
index a7f532dce520..8482eca333e4 100644
--- a/sfx2/UIConfig_sfx.mk
+++ b/sfx2/UIConfig_sfx.mk
@@ -37,6 +37,7 @@ $(eval $(call gb_UIConfig_add_uifiles,sfx,\
 	sfx2/uiconfig/ui/notebookbar \
 	sfx2/uiconfig/ui/optprintpage \
 	sfx2/uiconfig/ui/password \
+	sfx2/uiconfig/ui/notebookbarpopup \
 	sfx2/uiconfig/ui/printeroptionsdialog \
 	sfx2/uiconfig/ui/querysavedialog \
 	sfx2/uiconfig/ui/searchdialog \
diff --git a/sfx2/source/notebookbar/DropdownBox.cxx b/sfx2/source/notebookbar/DropdownBox.cxx
new file mode 100644
index 000000000000..0058c89cfade
--- /dev/null
+++ b/sfx2/source/notebookbar/DropdownBox.cxx
@@ -0,0 +1,166 @@
+/* -*- 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/builderfactory.hxx>
+#include <vcl/layout.hxx>
+#include <sfx2/dllapi.h>
+#include <sfx2/viewfrm.hxx>
+#include "DropdownBox.hxx"
+
+#define NOTEBOOK_HEADER_HEIGHT 30
+
+/*
+ * Popup - shows hidden content, controls are moved to this popup
+ * and after close moved to the original parent
+ */
+
+class Popup : public FloatingWindow
+{
+private:
+    VclPtr<VclHBox> m_pBox;
+    ScopedVclPtr<DropdownBox> m_pParent;
+
+public:
+    Popup(VclPtr<DropdownBox> pParent)
+    : FloatingWindow(pParent, "Popup", "sfx/ui/notebookbarpopup.ui")
+    , m_pParent(pParent)
+    {
+        get(m_pBox, "box");
+        m_pBox->SetSizePixel(Size(100, 75));
+    }
+
+    virtual ~Popup()
+    {
+        disposeOnce();
+    }
+
+    VclHBox* getBox()
+    {
+        return m_pBox.get();
+    }
+
+    virtual void PopupModeEnd() override
+    {
+        for (int i = 0; i < m_pBox->GetChildCount(); i++)
+        {
+            m_pBox->GetChild(i)->Hide();
+            m_pBox->GetChild(i)->SetParent(m_pParent);
+        }
+        FloatingWindow::PopupModeEnd();
+    }
+
+    void dispose() override
+    {
+        m_pBox.disposeAndClear();
+        m_pParent.clear();
+
+        FloatingWindow::dispose();
+    }
+};
+
+/*
+ * DropdownBox - shows content or moves it to the popup
+ * which can be opened by clicking on a button
+ */
+
+DropdownBox::DropdownBox(vcl::Window *pParent)
+    : VclHBox(pParent)
+    , m_bInFullView(true)
+{
+    m_pButton = VclPtr<PushButton>::Create(this, WB_FLATBUTTON);
+    m_pButton->SetClickHdl(LINK(this, DropdownBox, PBClickHdl));
+    m_pButton->SetSymbol(SymbolType::MENU);
+    m_pButton->set_width_request(15);
+    m_pButton->SetQuickHelpText(GetQuickHelpText());
+    m_pButton->Resize();
+}
+
+DropdownBox::~DropdownBox()
+{
+    disposeOnce();
+}
+
+void DropdownBox::dispose()
+{
+    m_pButton.disposeAndClear();
+    if (m_pPopup)
+        m_pPopup.disposeAndClear();
+
+    VclHBox::dispose();
+}
+
+void DropdownBox::HideContent()
+{
+    if (m_bInFullView)
+    {
+        m_bInFullView = false;
+
+        for (int i = 0; i < GetChildCount(); i++)
+            GetChild(i)->Hide();
+
+        m_pButton->Show();
+        SetOutputSizePixel(Size(m_pButton->GetSizePixel().Width(), GetSizePixel().Height()));
+    }
+}
+
+void DropdownBox::ShowContent()
+{
+    if (!m_bInFullView)
+    {
+        m_bInFullView = true;
+
+        for (int i = 0; i < GetChildCount(); i++)
+            GetChild(i)->Show();
+
+        m_pButton->Hide();
+    }
+}
+
+IMPL_LINK_TYPED(DropdownBox, PBClickHdl, Button*, /*pButton*/, void)
+{
+    if (m_pPopup)
+        m_pPopup.disposeAndClear();
+
+    m_pPopup = VclPtr<Popup>::Create(this);
+
+    for (int i = 0; i < GetChildCount(); i++)
+    {
+        if (GetChild(i) != m_pButton)
+        {
+            Window* pChild = GetChild(i);
+            pChild->Show();
+
+            pChild->SetParent(m_pPopup->getBox());
+        }
+    }
+
+    m_pPopup->getBox()->set_height_request(GetSizePixel().Height());
+
+    long x = GetPosPixel().getX();
+    long y = GetPosPixel().getY() + NOTEBOOK_HEADER_HEIGHT + GetSizePixel().Height();
+    Rectangle aRect(x, y, x, y);
+
+    m_pPopup->StartPopupMode(aRect, FloatWinPopupFlags::Down
+                                    |FloatWinPopupFlags::GrabFocus
+                                    |FloatWinPopupFlags::AllMouseButtonClose);
+}
+
+VCL_BUILDER_FACTORY(DropdownBox)
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sfx2/source/notebookbar/DropdownBox.hxx b/sfx2/source/notebookbar/DropdownBox.hxx
new file mode 100644
index 000000000000..a44d9708017d
--- /dev/null
+++ b/sfx2/source/notebookbar/DropdownBox.hxx
@@ -0,0 +1,54 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SFX2_NOTEBOOKBAR_DROPDOWNBOX_HXX
+#define INCLUDED_SFX2_NOTEBOOKBAR_DROPDOWNBOX_HXX
+
+#include <vcl/builderfactory.hxx>
+#include <vcl/layout.hxx>
+#include <sfx2/dllapi.h>
+#include <sfx2/viewfrm.hxx>
+#include <vcl/floatwin.hxx>
+#include <vcl/toolbox.hxx>
+#include <sfx2/tbxctrl.hxx>
+
+class Popup;
+
+class SFX2_DLLPUBLIC DropdownBox : public VclHBox
+{
+private:
+    bool m_bInFullView;
+    VclPtr<PushButton> m_pButton;
+    VclPtr<Popup> m_pPopup;
+
+public:
+    DropdownBox(vcl::Window *pParent);
+    virtual ~DropdownBox() override;
+    virtual void dispose() override;
+
+    virtual void HideContent();
+    virtual void ShowContent();
+
+private:
+    DECL_LINK_TYPED(PBClickHdl, Button*, void);
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sfx2/source/notebookbar/PriorityHBox.cxx b/sfx2/source/notebookbar/PriorityHBox.cxx
index 88f91bc90518..52ce58aa9f16 100644
--- a/sfx2/source/notebookbar/PriorityHBox.cxx
+++ b/sfx2/source/notebookbar/PriorityHBox.cxx
@@ -21,6 +21,7 @@
 #include <vcl/layout.hxx>
 #include <sfx2/dllapi.h>
 #include <sfx2/viewfrm.hxx>
+#include "DropdownBox.hxx"
 
 #include <vector>
 
@@ -75,16 +76,17 @@ public:
         auto pChild = m_aSortedChilds.begin();
         while (nCurrentWidth > nWidth && pChild != m_aSortedChilds.end())
         {
-            VclContainer* pContainer = static_cast<VclContainer*>(*pChild);
+            DropdownBox* pContainer = static_cast<DropdownBox*>(*pChild);
             nCurrentWidth -= pContainer->GetSizePixel().Width() + get_spacing();
-            pContainer->Hide();
+            pContainer->HideContent();
+            nCurrentWidth += pContainer->GetSizePixel().Width() + get_spacing();
             pChild++;
         }
 
         // Show higher priority controls if we already have enough space
         while (pChild != m_aSortedChilds.end())
         {
-            static_cast<VclContainer*>(*pChild)->Show();
+            static_cast<DropdownBox*>(*pChild)->ShowContent();
             pChild++;
         }
 
@@ -93,7 +95,7 @@ public:
 
     virtual void Paint(vcl::RenderContext& rRenderContext, const Rectangle& rRect) override
     {
-        if (!m_bInitialized)
+        if (!m_bInitialized && SfxViewFrame::Current())
         {
             m_bInitialized = true;
 
diff --git a/sfx2/uiconfig/ui/notebookbarpopup.ui b/sfx2/uiconfig/ui/notebookbarpopup.ui
new file mode 100644
index 000000000000..8400e481e66c
--- /dev/null
+++ b/sfx2/uiconfig/ui/notebookbarpopup.ui
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.3 -->
+<interface>
+  <requires lib="gtk+" version="3.10"/>
+  <object class="GtkWindow" id="Popup">
+    <property name="can_focus">False</property>
+    <property name="hexpand">True</property>
+    <property name="vexpand">True</property>
+    <property name="border_width">4</property>
+    <property name="resizable">False</property>
+    <property name="destroy_with_parent">True</property>
+    <property name="type_hint">popup-menu</property>
+    <property name="skip_pager_hint">True</property>
+    <property name="deletable">False</property>
+    <child>
+      <object class="GtkBox" id="box">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="margin_right">6</property>
+        <property name="hexpand">True</property>
+        <property name="vexpand">True</property>
+        <property name="spacing">6</property>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>