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https://github.com/netsurf-browser/netsurf
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393 lines
11 KiB
Markdown
393 lines
11 KiB
Markdown
Usage Instructions for Monkey NetSurf
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=====================================
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This document provides usage instructions for the Monkey version of NetSurf.
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Monkey NetSurf has been tested on Ubuntu and Debian.
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Overview
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--------
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### What it is
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The NetSurf Monkey front end is a developer debug tool used to test how the
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core interacts with the user interface. It allows the developers to profile
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NetSurf and to interact with the core directly as though the developer were a
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front end.
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### What it is not
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Monkey is not a tool for building web-crawling robots or indeed anything other
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than a debug tool for the NetSurf developers.
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### How to interact with `nsmonkey`
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In brief, `nsmonkey` will produce tagged output on stdout and expect
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commands on stdin. Windows are numbered and for the most part
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tokens are space separated. In some cases (e.g. title or status)
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the final element on the output line is a string which might have
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spaces embedded within it. As such, output from `nsmonkey` should be
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parsed a token at a time, so that when such a string is encountered,
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the parser can stop splitting and return the rest.
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Commands to `nsmonkey` are namespaced. For example commands related to
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browser windows are prefixed by `WINDOW`.
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### Top level tags for `nsmonkey`
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* `QUIT`
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* `WINDOW`
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* `OPTIONS`
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### Top level response tags for nsmonkey
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* `GENERIC`: Generic messages such as poll loops etc.
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* `WARN`, `ERROR`, `DIE`: Error messages of varying importance
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* `WINDOW`: Anything about browser windows in general
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* `DOWNLOAD`: Anything about the download window.
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* `SSLCERT`: Anything about SSL certificates
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* `401LOGIN`: Anything about HTTP Basic Authentication logins
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* `PLOT`: Plot calls which come from the core.
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In the below, _%something%_ indicates a substitution made by Monkey.
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* _%url%_ will be a URL
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* _%id%_ will be an opaque ID
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* _%n%_ will be a number
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* _%bool%_ will be TRUE or FALSE
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* _%str%_ is a string and will only ever be at the end of an output line.
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### Warnings, errors etc
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* Warnings (tagged `WARN`) come from the NetSurf core.
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* Errors (tagged `ERROR`) tend to come from Monkey's parsers
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* Death (tagged `DIE`) comes from the core and kills Monkey dead.
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Commands
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--------
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### Generic commands
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* `QUIT`
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Cause monkey to quit cleanly.
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This will cleanly destroy open windows etc.
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* `OPTIONS` _%str_
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Cause monkey to set options. The passed options should be in the same
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form as the command line, e.g. `OPTIONS --enable_javascript=1`
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### Window commands
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* `WINDOW NEW` [_%url%_]
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Create a new browser window, optionally giving the core
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a URL to immediately navigate to.
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Minimally you will receive a `WINDOW NEW WIN` _%id%_ response.
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* `WINDOW DESTROY` _%id%_
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Destroy the given browser window.
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Minimally you will receive a `WINDOW DESTROY WIN` _%id%_ response.
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* `WINDOW GO` _%id%_ _%url%_ [_%url%_]
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Cause the given browser window to visit the given URL.
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Optionally you can give a referrer URL to also use (simulating
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a click in the browser on a link).
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Minimally you can expect throbber, url etc responses.
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* `WINDOW REDRAW` _%id%_ [_%num% %num% %num% %num%_]
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Cause a browser window to redraw. Optionally you can give a
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set of coordinates to simulate a partial expose of the window.
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Said coordinates are in traditional X0 Y0 X1 Y1 order.
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The coordinates are in canvas, not window, coordinates. So you
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should take into account the scroll offsets when issuing this
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command.
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Minimally you can expect redraw start/stop messages and you
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can likely expect some number of `PLOT` results.
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* `WINDOW RELOAD` _%id%_
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Cause a browser window to reload its current content.
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Expect responses similar to a GO command.
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### Login commands
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* `LOGIN USERNAME` _%id%_ _%str_
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Set the username for the login
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* `LOGIN PASSWORD` _%id%_ _%str_
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Set the password for the login
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* `LOGIN GO` _%id%_
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Cause a login to proceed using the set credentials
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* `LOGIN DESTROY` _%id%_
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Cause a login to fail
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Responses
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---------
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### Generic messages
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* `GENERIC STARTED`
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Monkey has started and is ready for commands
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* `GENERIC CLOSING_DOWN`
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Monkey has been told to shut down and is doing so
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* `GENERIC FINISHED`
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Monkey has finished and will now exit
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* `GENERIC LAUNCH URL` _%url%_
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The core asked monkey to launch the given URL
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* `GENERIC THUMBNAIL URL` _%url%_
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The core asked monkey to thumbnail a content without
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a window.
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* `GENERIC POLL BLOCKING`
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* `GENERIC POLL TIMED` _%n%_
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Monkey reached a point where it could sleep waiting for
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commands or scheduled timeouts. No fetches nor redraws
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were pending. If there are no timeouts or other pending
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jobs then this will be a BLOCKING poll, otherwise the number
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given is in milliseconds.
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### Window messages
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* `WINDOW NEW WIN` _%id%_ `FOR` _%id%_ `CLONE` _%id%_ `NEWTAB` _%bool%_
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The core asked Monkey to open a new window. The IDs for `FOR` and
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`CLONE` are core window IDs, the `WIN` id is a Monkey window ID.
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* `WINDOW SIZE WIN` _%id%_ `WIDTH` _%n%_ `HEIGHT` _%n%_
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The window specified has been set to the shown width and height.
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* `WINDOW DESTROY WIN` _%id%_
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The core has instructed Monkey to destroy the named window.
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* `WINDOW TITLE WIN` _%id%_ `STR` _%str%_
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The core supplied a titlebar title for the given window.
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* `WINDOW REDRAW WIN` _%id%_
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The core asked that Monkey redraw the given window.
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* `WINDOW GET_DIMENSIONS WIN` _%id%_ `WIDTH` _%n%_ `HEIGHT` _%n%_
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The core asked Monkey what the dimensions of the window are.
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Monkey has to respond immediately and returned the supplied width
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and height values to the core.
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* `WINDOW NEW_CONTENT WIN` _%id%_
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The core has informed Monkey that the named window has a new
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content object.
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* `WINDOW NEW_ICON WIN` _%id%_
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The core has informed Monkey that the named window has a new
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icon (favicon) available.
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* `WINDOW START_THROBBER WIN` _%id%_
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The core asked Monkey to start the throbber for the named
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window. This indicates to the user that the window is busy.
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* `WINDOW STOP_THROBBER WIN` _%id%_
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The core asked Monkey to stop the throbber for the named
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window. This indicates to the user that the window is finished.
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* `WINDOW SET_SCROLL WIN` _%id%_ `X` _%n%_ `Y` _%n%_
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The core asked Monkey to set the named window's scroll offsets
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to the given X and Y position.
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* `WINDOW UPDATE_BOX WIN` _%id%_ `X` _%n%_ `Y` _%n%_ `WIDTH` _%n%_ `HEIGHT` _%n%_
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The core asked Monkey to redraw the given portion of the content
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display. Note these coordinates refer to the content, not the
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viewport which Monkey is simulating.
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* `WINDOW UPDATE_EXTENT WIN` _%id%_ `WIDTH` _%n%_ `HEIGHT` _%n%_
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The core has told us that the content in the given window has a
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total width and height as shown. This allows us (along with the
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window's width and height) to know the scroll limits.
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* `WINDOW SET_STATUS WIN` _%id%_ `STR` _%str%_
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The core has told us that the given window needs its status bar
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updating with the given message.
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* `WINDOW SET_POINTER WIN` _%id%_ `POINTER` _%id%_
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The core has told us to update the mouse pointer for the given
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window to the given pointer ID.
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* `WINDOW SET_SCALE WIN` _%id%_ `SCALE` _%n%_
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The core has asked us to scale the given window by the given scale
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factor.
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* `WINDOW SET_URL WIN` _%id%_ `URL` _%url%_
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The core has informed us that the given window's URL bar needs
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updating to the given url.
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* `WINDOW GET_SCROLL WIN` _%id%_ `X` _%n%_ `Y` _%n%_
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The core asked Monkey for the scroll offsets. Monkey returned the
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numbers shown for the window named.
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* `WINDOW SCROLL_START WIN` _%id%_
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The core asked Monkey to scroll the named window to the top/left.
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* `WINDOW POSITION_FRAME WIN` _%id%_ `X0` _%n%_ `Y0` _%n%_ `X1` _%n%_ `Y1` _%n%_
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The core asked Monkey to position the named window as a frame at
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the given coordinates of its parent.
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* `WINDOW SCROLL_VISIBLE WIN` _%id%_ `X0` _%n%_ `Y0` _%n%_ `X1` _%n%_ `Y1` _%n%_
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The core asked Monkey to scroll the named window until the
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indicated box is visible.
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* `WINDOW PLACE_CARET WIN` _%id%_ `X` _%n%_ `Y` _%n%_ `HEIGHT` _%n%_
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The core asked Monkey to render a caret in the named window at the
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indicated position with the indicated height.
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* `WINDOW REMOVE_CARET WIN` _%id%_
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The core asked Monkey to remove any caret in the named window.
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* `WINDOW SCROLL_START WIN` _%id%_ `X0` _%n%_ `Y0` _%n%_ `X1` _%n%_ `Y1` _%n%_
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The core asked Monkey to scroll the named window to the start of
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the given box.
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* `WINDOW SELECT_MENU WIN` _%id%_
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The core asked Monkey to produce a selection menu for the named
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window.
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* `WINDOW SAVE_LINK WIN` _%id%_ `URL` _%url%_ `TITLE` _%str%_
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The core asked Monkey to save a link from the given window with
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the given URL and anchor title.
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* `WINDOW THUMBNAIL WIN` _%id%_ `URL` _%url%_
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The core asked Monkey to render a thumbnail for the given window
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which is currently at the given URL.
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* `WINDOW REDRAW WIN` _%id%_ `START`
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and
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`WINDOW REDRAW WIN` _%id%_ `STOP`
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The core wraps redraws in these messages. Thus `PLOT` responses can
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be allocated to the appropriate window.
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### Download window messages
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* `DOWNLOAD CREATE DWIN` _%id%_ `WIN` _%id%_
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The core asked Monkey to create a download window owned by the
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given browser window.
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* `DOWNLOAD DATA DWIN` _%id%_ `SIZE` _%n%_ `DATA` _%str%_
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The core asked Monkey to update the named download window with
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the given byte size and data string.
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* `DOWNLOAD ERROR DWIN` _%id%_ `ERROR` _%str%_
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The core asked Monkey to update the named download window with
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the given error message.
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* `DOWNLOAD DONE DWIN` _%id%_
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The core asked Monkey to destroy the named download window.
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### SSL Certificate messages
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* `SSLCERT VERIFY CWIN` _%id%_ `URL` _%url%_
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The core asked Monkey to say whether or not a given SSL
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certificate is OK.
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> TODO: Implement the rest of the SSL certificat verification behaviour
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### 401 Login messages
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* `LOGIN OPEN LWIN` _%id%_ `URL` _%url%_ USER _%str%_ PASSWD _%str%_ `REALM` _%str%_
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The core asked Monkey to ask for identification for the named
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realm at the given URL.
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> TODO: Implement support to control the 401LOGIN process
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### Plotter messages
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> **Note, Monkey won't clip coordinates, but sometimes the core does.**
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* `PLOT CLIP X0` _%n%_ `Y0` _%n%_ `X1` _%n%_ `Y1` _%n%_
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The core asked Monkey to clip plotting to the given clipping
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rectangle (X0,Y0) (X1,Y1)
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* `PLOT TEXT X` _%n%_ `Y` _%n%_ `STR` _%str%_
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The core asked Monkey to plot the given string at the
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given coordinates.
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* `PLOT LINE X0` _%n%_ `Y0` _%n%_ `X1` _%n%_ `Y1` _%n%_
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The core asked Monkey to plot a line with the given start
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and end coordinates.
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* `PLOT RECT X0` _%n%_ `Y0` _%n%_ `X1` _%n%_ `Y1` _%n%_
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The core asked Monkey to plot a rectangle with the given
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coordinates as the corners.
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* `PLOT BITMAP X` _%n%_ `Y` _%n%_ `WIDTH` _%n%_ `HEIGHT` _%n%_
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The core asked Monkey to plot a bitmap at the given
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coordinates, scaled to the given width/height.
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> TODO: Check if other things are implemented and add them to the docs
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