Imagedisplay.mui

Display a draggable button preview and open a Imageadjust editor when

Pressed becomes FALSE. Constructor defaults are ButtonFrame, inner

spacing four, button background, RelVerify input mode and Draggable

TRUE, followed by caller tags. Construction returns NULL on superclass

failure. The preview specification is inherited from Imagedisplay.

MUIA_Window_Title is read only at construction as a borrowed popup-title

pointer, default NULL. It must remain valid through future popup

creation; no local title setter/getter is provided.

Opening lazily creates an activated subwindow below the object, adds it

to the application and initializes the editor from the preview

specification. An existing window is reused without resampling the

preview. Internal Open returns one even on construction/open failure;

failed opening of a created window invokes cancellation.

OK copies the editor specification into the preview before removing and

disposing the window. Cancel and window close requests discard edits.

Notifications enqueue the private close method through

Application_PushMethod. Hide only delegates: its local window-closing

code is compiled out. DisconnectParent cancels an existing popup before

superclass disconnection.

MUIA_Imageadjust_Type is consumed at construction, defaults to All and

is passed unchanged to each new Imageadjust; no local setter/getter is

implemented. The editor receives this Popimage as Originator, and the

popup has AppWindow TRUE. Use a live application and parent window. Keep

this object alive through queued closes. The private Close assumes an

existing popup, ignores getter/setter status and has no repeated-call

guard or queue cancellation. Dispose directly disposes a remaining popup

without first removing its application membership; normal disconnection

should close/remove it first. Do not treat Hide or Dispose as a queue

drain. The private window methods are not public API.