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3. Activation and Deactivation

This chapter describes all aspects of activating and deactivating ECB.

3.1 Standard activation and deactivation   How to manually (de)activate ECB
3.2 Automatic activation and deactivation   Automatically (de)activating ECB

IMPORTANT: Regardless of the activation-type (standard or automatic) the activation-process of ECB is always completely failure-save. This means any error during any step of the activation-process forces a complete cleanup (e.g. removing hooks, disabling advices etc.) of all settings ECB did (e.g. adding hooks, activating advices etc.) until the failure. Therefore if ECB-activation stops cause of a failure then you can be sure that your Emacs has the same state as before the ECB-activation-start!

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3.1 Standard activation and deactivation

Call M-x ecb-activate and M-x ecb-deactivate to activate or deactivate ECB(12). If you want ECB started in a new frame see the option ecb-new-ecb-frame (default is nil). ecb-activate always raises and selects the ECB-frame even if ECB is already started.

Because ECB is a global minor-mode it can also be (de)activated/toggled by M-x ecb-minor-mode.

The following sequence of hooks is evaluated during activation of ECB:

  1. ecb-before-activate-hook
  2. <All actions for activation but no layout drawing>
  3. ecb-activate-before-layout-draw-hook
  4. ecb-redraw-layout-before-hook
  5. <Drawing the layout>
  6. ecb-redraw-layout-after-hook
  7. ecb-activate-hook

The following sequence of hooks is evaluated during deactivation of ECB:

  1. ecb-before-deactivate-hook
  2. <All actions for deactivation of ECB>
  3. ecb-deactivate-hook
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3.2 Automatic activation and deactivation

There are two ways for auto. (de)activation ECB after Emacs-start and for different window-configurations.

ecb-auto-activate

This option is for auto. activating ECB after Emacs-startup. Set this to not nil and ECB will automatically be started after Emacs comes up.

window-manager support

The window-manager support of ECB deactivates ECB when going to another window-configuration and reactivates ECB when coming back to the ECB-window-configuration. For all details about this see Support of several Emacs-window-managers.

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This document was generated by Aidan Kehoe on December 27, 2016 using texi2html 1.82.