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Paradise/code/modules/tgui/external.dm
moxian 64c2bccb36 Mark ui_data procs as SHOULD_NOT_SLEEP(TRUE) (#17847)
* mark ui_data procs as SHOULD_NOT_SLEEP(TRUE)

* Address dm warnings
2022-05-24 12:47:19 +01:00

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/**
* tgui external
*
* Contains all external tgui declarations.
*/
/**
* public
*
* Used to open and update UIs.
* If this proc is not implemented properly, the UI will not update correctly.
*
* * mob/user - The mob who opened/is using the UI. (REQUIRED)
* * ui_key - The ui_key of the UI. (OPTIONAL)
* * datum/tgui/ui - The UI to be updated, if it exists. (OPTIONAL)
* * force_open - If the UI should be re-opened instead of updated. (OPTIONAL)
* * datum/tgui/master_ui - The parent UI. (OPTIONAL)
* * datum/ui_state/state - The state used to determine status. (OPTIONAL)
*/
/datum/proc/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
return FALSE // Not implemented.
/**
* public
*
* Data to be sent to the UI.
* This must be implemented for a UI to work.
*
* * mob/user - The mob interacting with the UI.
*/
/datum/proc/ui_data(mob/user)
// Two good reasons why it shouldn't:
// 1) this is polled several times a second, so sleeping means more running threads, needlessly tanking performance
// 2) if you try to sleep, you get fun bugs ranging from BSOD to uninteractable white windows, to windows straight up vanishing.
// Just don't.
SHOULD_NOT_SLEEP(TRUE)
return list() // Not implemented.
/**
* public
*
* Static Data to be sent to the UI.
* Static data differs from normal data in that it's large data that should be sent infrequently
* This is implemented optionally for heavy uis that would be sending a lot of redundant data
* frequently.
* Gets squished into one object on the frontend side, but the static part is cached.
*
* * mob/user - The mob interacting with the UI.
*/
/datum/proc/ui_static_data(mob/user)
SHOULD_NOT_SLEEP(TRUE)
return list()
/**
* public
*
* Forces an update on static data. Should be done manually whenever something happens to change static data.
*
* * mob/user - The mob currently interacting with the UI. (REQUIRED)
* * datum/tgui/ui - UI to be updated (OPTIONAL)
* * ui_key - Key of the UI to be updated. (OPTIONAL)
*/
/datum/proc/update_static_data(mob/user, datum/tgui/ui, ui_key = "main")
ui = SStgui.try_update_ui(user, src, ui_key, ui)
// If there was no ui to update, there's no static data to update either.
if(!ui)
return
ui.push_data(null, ui_static_data(user), TRUE)
/**
* public
*
* Called on a UI when the UI receieves a href.
* Think of this as Topic().
* Returns TRUE if the UI should be updated, and FALSE if not.
*
* * action - The action/button that has been invoked by the user.
* * list/params - A list of parameters attached to the button.
*/
/datum/proc/ui_act(action, list/params, datum/tgui/ui, datum/ui_state/state)
// If UI is not interactive or usr calling Topic is not the UI user, bail.
if(!ui || ui.status != STATUS_INTERACTIVE)
return TRUE
/**
* public
*
* Called on an object when a tgui object is being created, allowing you to
* customise the html
* For example: inserting a custom stylesheet that you need in the head
*
* For this purpose, some tags are available in the html, to be parsed out
^ with replacetext
* (customheadhtml) - Additions to the head tag
*
* * html - The html base text.
*/
/datum/proc/ui_base_html(html)
return html
/**
* private
*
* The UI's host object (usually src_object).
* This allows modules/datums to have the UI attached to them,
* and be a part of another object.
*/
/datum/proc/ui_host(mob/user)
return src // Default src.
/**
* global
*
* Associative list of JSON-encoded shared states that were set by
* tgui clients.
*/
/datum/var/list/tgui_shared_states
/**
* global
*
* Used to track UIs for a mob.
*/
/mob/var/list/open_uis = list()
/**
* public
*
* Called on a UI's object when the UI is closed, not to be confused with
* client/verb/uiclose(), which closes the ui window
*/
/datum/proc/ui_close(mob/user)
/**
* verb
*
* Called by UIs when they are closed.
* Must be a verb so winset() can call it.
*
* * uid - The UI that was closed.
*/
/client/verb/uiclose(uid as text)
// Name the verb, and hide it from the user panel.
set name = "uiclose"
set hidden = TRUE
// Get the UI based on the UID.
var/datum/tgui/ui = locateUID(uid)
// If we found the UI, close it.
if(istype(ui))
ui.close()
// Unset machine just to be sure.
if(src && src.mob)
src.mob.unset_machine()