Difference between revisions of "User:Petr-akhlamov/Shell"

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05.02.2017 in the trunk [http://github.com/reactos/reactos/commit/2ee2be0a07df3fa381065cf6471dea4b82af6c52 was implemented] auto update of desktop after change his content.
05.02.2017 in the trunk [http://github.com/reactos/reactos/commit/2ee2be0a07df3fa381065cf6471dea4b82af6c52 was implemented] auto update of desktop after change his content.
**{{JIRA|8427}} - hide desktop icons
*{{JIRA|8427}} - hide desktop icons

Revision as of 12:12, 2 December 2017

About Shell

(on russian)


  • 13.07.2014 - CMergedFolder was completed
  • 24.08.2014 - hotkeys Ctrl+C, Ctrl+X, Ctrl+V was implemented.
  • 28.09.2014 - IPC was implemented

Shell32 components scheme

Shellclasses 2.png

Unimplemented features

  • DDE

Reports in the bugtracker

  • shell/explorer issues (CORE-5620)
  • Major unimplemented features of the shell (CORE-9277)
  • shell32: rewrite shell folders implementation (CORE-7585)
  • shell32: shell icon cache and icon extractors need to be rewritten (CORE-7563)

Reorganization of shell resources

As part of its work (CORE-10030) Robert Naumann:

  • reworked the property dialogs, maked them nicer, add missing resources and remove unneded ones
  • Changed the start menu Icon from an icon to a bitmap resource
  • Fixed existing and add missing icons
  • reorganized the resource folder structure



As of 13.07.2017:

  • content of current folder are displayed
  • icon is displayed in the header
  • buttons are displayed
  • buttons are have icons
  • list mode have sort arrows

Button implementations

The buttons in the file browser toolbar can be subdivided into 4 groups:

  • The navigation buttons, with history back/forward and “up”,
  • The sidebar buttons, with “folders” and “search”,
  • The file operations, with “copy to”, “move to”, “delete” and “undo”, and lastly
  • The view mode, which shows a dropdown to select the listview style.


  • navigation
  • view mode
  • folders


Dynamic Data Exchange


IPC mechanism used by browseui to open new windows in the existing process. This function was implemented 28.09.2014[1].


03.12.2014 implementation of CExplorerBand class was started , which needed for sidebar. Gigaherz was add this class for research sidebar implementation in Windows.

05.02.2016 patch (CORE-10838) with initial implementation of classes BaseBar и CBaseBarSite was published .

19.02.2016 Sylvain Deverre started work on sidebar in github-repo.

30.05.2016 Results of his work was add to trunk.

01.06.2016 Sidebar was implemented.

26.07.2016 In the sidebar was implements expand the tree view to the current folder when a new folder is browser and showing the context menu on right click.

02.08.2016 In the sidebar was implemented displaying of disk name.

01.02.2017 In the sidebar was implemented rudimentary support for drag icons.

Command line parameters

08.09.2014 base of parser of command line parameters was writes.

The report CORE-12163 was closed 07.11.2016.

Now, explorer supports next parameters:

  • /separate
  • /e
  • /select


05.02.2017 in the trunk was implemented auto update of desktop after change his content.


15.05.2014 work on taskbar was started.


As of 31.07.2017:

  • windows list is displaying
  • you can windows minimize/restore with left-click
  • you can call windows action-list with right-click
  • taskbar autohide is implemented
  • taskbar size changing to certain step

Taskbar settings

14.07.2017 Robert Naumann was started implementation of taskbar settings saving/loading. (CORE-11498)

01.11.2017 in revision 2ed535d (0.4.8-dev-46) Giannis implemented some taskbar settings (lock, keep on top of other windows, auto-hide, show clock, show seconds). Other will implemented later.

The notification area

The notification area was implemented 5 июля 2014 г. Now:

  • in the tray displayed apps icons
  • you can app minimize/restore with left-click
  • you can call app action-list with right-click
  • hiding of inactive icons is not implemented

Shell service objects

Shell service objects - component, which implement in the tray icons of sound, battery, safely remove and others. His implementation was started 23.07.2014.

17.08.2014 basic functions was implemented.

Next work

23-24.03.2017 Eric Kohl implemented:

  • r74225 - Implement code to show and hide the power and volume icons in the notification area aka systray.
  • r74226 - Show and hide the power systray icon.
    • r74228 - Implement the power schemes popup menu.
  • r74227 - Show and hide the volume systray icon.

Address bar

04.05.2014 work on address bar was started.


As of 25.08.2016:

  • implemented:
    • current path displaying
    • icon
    • recognition support
    • system folder name are displayed instead GUID/CLSID
    • address is entered with Enter pressed
    • addressbar autoresizing
    • addressbar combobox
Shell adresslist.png

Menu bar

Unimplemented items are displayed as inactive. It works with keyboard control.


Menu items implementation

Color and value
Not function
File Close
Edit Undo
Paste Shortcut
Copy To Folder...
Move To Folder...
Select All
Invert Selection
View Toolbars
Status Bar
Explorer Bar
Icon sizes
Go to
Favorites Add to Favorites
Organize Favorites
Tools Map Network Drive
Disconnect Network Drive
Folder Options
Help About ReactOS
Folder options
  • CORE-10837 - Unable to launch Folder Options due to missing class
  • CORE-11141 - FolderOptions are unimplemented
  • CORE-10800 - Improvements to Folder Options
  • CORE-1246 - Changing or creating new file associations in Folder options is missing
  • CORE-12540 - Implement TreeView of Folder Options
  • CORE-12906 - Folder Options: File Types: Implement

05.02.2017 folder properties dialog was implemented in r73703 with all available settings.

Copy to / Move to

18.04.2016 Barrett Karish was publish patch with implementation of this function.

Connect/disconnect network drive

03.07.2017 Jared Smudde started implementation of netplwiz.dll library, which perform this function.


Start setting

  • 21.11.2015 in r69992 was started implementation of setting dialog of classic start menu
  • 22.11.2015 in r70001 was implemented buttons:
    • Add > open shortcut wizard
    • Advancad > open %username%/Start menu
    • Clear > Clears %username%/Recent

Shutdown dialog


29.09.2014 in shell-experiments was applied patch with new shutdown dialog.

Additional features

Copy dialog


Work on copy dialog was started in november 2014. (CORE-4476)

  • 23-feb-2015 it was implemented, but without animation
  • 23-apr-2015 was implemented animation

Show of hidden files

Implementation of this feature was start 17.02.2015 and finished 14.03.2015. (CORE-9207)

Shell extensions

Browser of registry и NT-objects

15.03.2015 was implemented replace for explorer registry and NT-objects from old explorer as shell-extensions. CORE-9244

Reg new.png NTObj new.png

Virtual desktops

Maybe, this function will implemented as shell extension.

Improve support for shell extensions

Taskbar extensions

They was implemented on GSoC. (quick start panel, battery state, and usb-ejecter)

18.08.2017 USB-ejecter extension was added to trunk.

QuickLaunch panel

20.10.2017 was implemented quick launch panel extension.

For filling panel need to add shortcuts to folder C:\Documents and Settings\%username%\Application Data\Microsoft\Internet Explorer\Quick Launch.

Also, you can create user bar.

The panel is created on the right. You can't move it. Shortcuts runs. You can show/hide text, title, close panel. You can do reduce the panel, but hidden icons don't restored. Bug: you can't without errors swap quickstart panel and taskbar.

Sort arrows

13.07.2017 in the shell was implemented sort arrows in the list.

Other classes


The CMergedFolder class structure is set of classes, whose primary purpose of the merged folder is the ability to aggregate the contents of multiple shell folders into one virtual folder that includes items from all of the sources, and also merges the child items of the same name into one virtual item.

Implementation was started 28.06.2014 and finished 13.07.2014.

It used in:


CMergedFolder allows displayed in the start menu the shortcuts from two folders:

  • "Programs" (content of %userprofile%/Start menu/Programs and All Users/Start menu/Programs).
  • "Start menu" (content of %userprofile%/Start menu and All Users/Start menu)


Favourites displayed shortcuts from %userprofile%/Favourites.

Recent documents

Recent documents in the Start, with using CMergedFolder show files from %userprofile%/Recent.



CShellDispatch implements objects of IShellDispatch v1-6. Since ReactOS seeks to compatibility with Win2k3, then in her will implemented v1-4. (CORE-6892)

The IShellDispatch 2 is planned to taken from Wine, converted it to C++, added to ReactOS and finalized.

Also, in shldisp.idl are missing IShellDispatch3 and IShellDispatch4 (and v5 and v6, but they not include in W2k3). They and tests, which will be written later, will send to Wine.

First commits was in rr71116 and 71117.

  • CORE-12955 - implementation:
    • ShellExecute - performs a specified operation on a specified file[2]
    • IsServiceRunning - returns a value that indicates whether a particular service is running.[3]
  • ShutdownWindows was implemented 02.04.2017 in r74268 - show shutdown dialog[4]


31.03.2017 Giannis was added the prototype of function PaintMenuBar, which draw gradient and text on the side of menu (for example Start).


Task pane CORE-11401 - will not implemented

Themes in new explorer

  • 27.08.2017 - was fixed support of alpha-channels in the themes (CORE-13464, r75688)

Settings via registry

You can change some parameters in registry.


  • Hidden - show hidden folders and files
  • HideFileExt - hide files extensions
  • ListviewShadow - shadows at icons text on the desktop
  • StartMenuLogoff - "Logoff" item in the Start