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| -rw-r--r-- | sd/source/ui/inc/ToolBarManager.hxx | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/sd/source/ui/inc/ToolBarManager.hxx b/sd/source/ui/inc/ToolBarManager.hxx new file mode 100644 index 000000000..45f4532fb --- /dev/null +++ b/sd/source/ui/inc/ToolBarManager.hxx @@ -0,0 +1,273 @@ +/* -*- 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 . + */ + +#pragma once + +#include "ShellFactory.hxx" +#include <rtl/ustring.hxx> + +#include <sal/types.h> +#include <memory> + +class SdrView; +namespace sd { class ViewShell; } +namespace sd::tools { class EventMultiplexer; } + +namespace sd { + +class ViewShellBase; +class ViewShellManager; + +/** Manage the set of visible tool bars (and object bars). Usually they + belong to the current view in the center pane. + + Tool bars are managed in groups. Each group can be set, reset, or + modified independently of the others. This allows for instance to + replace the toolbars associated with the current function independently + from those associated with the main view. + + The ToolBarManager has two high level methods which contain the + knowledge about which tool bars to show in a specific context. + When the view in the center pane changes then MainViewShellChanged() + sets up the tool bars for the new view. On changes of the selection the + SelectionHasChanged() method shows the tool bars for the new context. + + The update of the actually visible tool bars to the set currently + required by the main view shell and its functions is divided into two + parts, PreUpdate() and PostUpdate(). This are to be called before + respectively after the update of the view shell stack. The reason for + this is to save time by not updating tool bars that will not be visible + in a short time on a view shell switch. +*/ +class ToolBarManager + : public std::enable_shared_from_this<ToolBarManager> +{ +public: + /** Use this method instead of the constructor to create new objects of + this class. + */ + static std::shared_ptr<ToolBarManager> Create ( + ViewShellBase& rBase, + const std::shared_ptr<tools::EventMultiplexer>& rpMultiplexer, + const std::shared_ptr<ViewShellManager>& rpViewShellManager); + + ~ToolBarManager(); + + /** Call this method prior to the destructor to prevent the + ToolBarManager from accessing the ViewShellManager or the + XLayoutManager when those are possibly not well and alive anymore + (like during the destruction of the ViewShellBase.) + */ + void Shutdown(); + + /** When the view in the center pane changes then this method sets up + the initial set of tool bars for the new view. + The ToolBarManager listens for view switching itself and then calls + MainViewShellChanged(). Calling this method from the outside should + not be necessary. + @param nShellType + The type of the new main view shell. + */ + void MainViewShellChanged (); + void MainViewShellChanged (const ViewShell& rMainViewShell); + + /** Call this method when the selection has changed to update the more + temporary tool bars (those in the ToolBarGroup::Function group.) + */ + void SelectionHasChanged ( + const ViewShell& rViewShell, + const SdrView& rView); + + /** The set of tool bars that are handled by this manager class. + */ + constexpr static OUStringLiteral msToolBar = u"toolbar"; // Draw_Toolbox_Sd, 23011 + constexpr static OUStringLiteral msOptionsToolBar = u"optionsbar"; + // Draw_Options_Toolbox, 23020 + constexpr static OUStringLiteral msCommonTaskToolBar = u"commontaskbar"; + // Draw_CommonTask_Toolbox, 23021 + constexpr static OUStringLiteral msViewerToolBar = u"viewerbar"; // Draw_Viewer_Toolbox, 23023 + constexpr static OUStringLiteral msSlideSorterToolBar = u"slideviewtoolbar"; + // Slide_Toolbox, 23012 + constexpr static OUStringLiteral msSlideSorterObjectBar = u"slideviewobjectbar"; + // Slide_Obj_Toolbox, 23014 + constexpr static OUStringLiteral msOutlineToolBar = u"outlinetoolbar"; // Outline_Toolbox, 23017 + constexpr static OUStringLiteral msMasterViewToolBar = u"masterviewtoolbar"; + // SID_MASTERPAGE, 27053 + constexpr static OUStringLiteral msDrawingObjectToolBar = u"drawingobjectbar"; + // Draw_Obj_Toolbox, 23013 + constexpr static OUStringLiteral msGluePointsToolBar = u"gluepointsobjectbar"; + // Gluepoints_Toolbox, 23019 + constexpr static OUStringLiteral msTextObjectBar = u"textobjectbar"; + // Draw_Text_Toolbox_Sd, 23016 + constexpr static OUStringLiteral msBezierObjectBar = u"bezierobjectbar"; + // Bezier_Toolbox_Sd, 23015 + constexpr static OUStringLiteral msGraphicObjectBar = u"graphicobjectbar"; + // Draw_Graf_Toolbox, 23030 + constexpr static OUStringLiteral msMediaObjectBar = u"mediaobjectbar"; + // Draw_Media_Toolbox, 23031 + constexpr static OUStringLiteral msTableObjectBar = u"tableobjectbar"; + // Draw_Table_Toolbox, 23018 + + /** The set of tool bar groups. + */ + enum class ToolBarGroup { + Permanent, + Function, + CommonTask, + MasterMode, + LAST = MasterMode + }; + + /** Reset the set of visible object bars in the specified group. Tool + bars in other groups are not affected. + @param rParentShell + When this shell is not the main view then the method returns + immediately. + @param eGroup + Only the tool bars in this group are rest. + */ + void ResetToolBars (ToolBarGroup eGroup); + + /** Reset all tool bars, regardless of the group they belong to. + @param rParentShell + When this shell is not the main view then the method returns + immediately. + */ + void ResetAllToolBars(); + + /** Add the tool bar with the given name to the specified group of tool + bars. + @param rParentShell + When this shell is not the main view then the method returns + immediately. + @param eGroup + The new tool bar is added to this group. + @param rsToolBarName + The base name of the tool bar. A proper prefix (like + private:resource/toolbar/) is added. The name may be one of the + ones defined above. Other names are allowed as well. + */ + void AddToolBar ( + ToolBarGroup eGroup, + const OUString& rsToolBarName); + + /** Add the tool bar shell to the shell stack. This method basically + forwards the call to the ViewShellManager. + For some tool bar shells additional tool bars are made visible. + @param rParentShell + When this shell is not the main view then the method returns + immediately. + @param eGroup + The group is used for the actual tool bars. + @param nToolBarId + Id of the tool bar shell. + */ + void AddToolBarShell ( + ToolBarGroup eGroup, + ShellId nToolBarId); + + /** Remove the tool bar with the given name from the specified group. + If the tool bar is not visible then nothing happens. + If the tool bar is a member of another group then nothing happens + either. + */ + void RemoveToolBar ( + ToolBarGroup eGroup, + const OUString& rsToolBarName); + + /** This is basically a shortcut for ResetToolBars(),AddToolBar(). The + main difference is, that all sub shells of the specified parent + shell are deactivated as well. + @param rParentShell + When this shell is not the main view then the method returns + immediately. + @param eGroup + The new tool bar is added to this group. + @param rsToolBarName + The base name of the tool bar. A proper prefix (like + private:resource/toolbar/) is added. The name may be one of the + ones defined above. Other names are allowed as well. + */ + void SetToolBar ( + ToolBarGroup eGroup, + const OUString& rsToolBarName); + + /** This is basically a shortcut for ResetToolBars(),AddToolBar(). The + main difference is, that all sub shells of the specified parent + shell are deactivated as well. + @param rParentShell + When this shell is not the main view then the method returns + immediately. + @param rParentShell + When this shell is not the main view then the method returns + immediately. + @param eGroup + The group is currently not used. + @param nToolBarId + Id of the tool bar shell. + */ + void SetToolBarShell ( + ToolBarGroup eGroup, + ShellId nToolBarId); + + void PreUpdate(); + + /** Request an update of the active tool bars. The update is made + asynchronously. + */ + void RequestUpdate(); + + /** This is a hint for the ToolBarManager to improve the performance + when it updates its tool bars when its own lock is released. Taking + control of the release of the update lock of the ViewShellManager + avoids some shell stack modifications and tool bar updates. + */ + void LockViewShellManager(); + + /** Use this class to prevent the visible tool bars from being updated + (and thus causing repaints and GUI rearrangements) when several tool + bar operations are made in a row. + */ + class UpdateLock { public: + UpdateLock(const std::shared_ptr<ToolBarManager>& rpManager) + : mpManager(rpManager) { mpManager->LockUpdate(); } + ~UpdateLock() COVERITY_NOEXCEPT_FALSE { mpManager->UnlockUpdate(); } + private: + std::shared_ptr<ToolBarManager> mpManager; + }; + friend class UpdateLock; + + void ToolBarsDestroyed(); + +private: + class Implementation; + std::unique_ptr<Implementation> mpImpl; + + /** The ViewShellBase is used to get the XLayoutManager and to determine + the plug in mode. + */ + ToolBarManager(); + + void LockUpdate(); + void UnlockUpdate(); +}; + +} // end of namespace sd + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |