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Question

C++ SDK: I want to receive notifications when a dialog is opened.

Forum|Forum|6 months ago
November 24, 2025
3 replies
594 views

I want to receive notifications when a dialog box opens. Is that possible?

SDK

Legend

So you're still looking at shortcuts and related UI. This summer I also spent some (too much) time on them, as an exercise in UXP, initially copied the existing dialog to validate my script methods. Below is the intermediate result with a few additions. One time sink was to convert between UXP key events and virtual keys, also capture all of them. Better done in C++, UXP is far from complete. I filed several related improvement suggestions.

On the other hand have a look at Bridge or Premiere and see their reworked KBSC Editor, I guess that at some point in time this will also trickle down to InDesign rendering outside efforts obsolete, so I shifted back my focus to other projects.

D

Dirk Becker

Legend

When you prefer observers, attach to kAppBoss kWindowAddedMessage IID_IWINDOWLIST.

The void* is a kMovableModalWindowBoss, next level is kKBSCEditorDlgBoss .

On the way out that's kRemoveWindowMessage

琥

琥珀猫太郎Author

Legend

Thank you for the valuable information.
I was trying to see if it could be done using idleTask.
I was modifying the RunTask method in PnlTrvIdleTask.cpp of the SDK's PanelTreeView and testing it.

if( appFlags == IIdleTaskMgr::kModalDialogUp)
{
	do
	{
		InterfacePtr<IApplication> iApplication(::GetExecutionContextSession()->QueryApplication());
		if (iApplication == nil) break;

		InterfacePtr<IDialogMgr> iDialogMgr(iApplication, ::UseDefaultIID());
		if (iDialogMgr == nil) break;

		IWindow* iWindow = iDialogMgr->GetFrontmostDialogWindow();
		if (iWindow == nil) break;

		InterfacePtr<IDialog> iDialog(iWindow, ::UseDefaultIID());
		if (iDialog == nil) break;

		iDialog->PressDefaultButton();

	} while (false);
}

I succeeded in closing the dialog after it opened.

Regarding the kAppBoss kWindowAddedMessage IID_IWINDOWLIST you suggested,
I'll give it a try. Thank you for your kindness.

D

Dirk Becker

Legend

When you really intend to suppress or replace the dialog, it might be sufficient to remove the action using an action filter. On the other hand, that's also a drastic step towards users so think twice.

@Manan Joshi also mentioned the SuppressedUI plugin template, it might also do what you want. I never liked the idea so I don't know its details, e.g. if you borrow some code from there would you be able to coexist with other plugins that do the same?

M

Manan Joshi

Community Expert

Hi @琥珀猫太郎,

If it is your own dialog then DialogController could help which you must have figured out. If it is some other plugin's dialog look for a possibility of adding your observer to it. Another option not tried by me could be to look into suppressedUI

-Manan

琥

琥珀猫太郎Author

Legend

I'm hoping to catch when the shortcut dialog opens.
I have absolutely no idea what to add the Observer to.

D

Dirk Becker

Legend

It usually opens when the action is invoked …

There is some weird way so action components can watch other actions, even without overriding them.

Read the headers on those special fields and constants in action definition resources.

Scripted action events should work the same way, or they may be easier if you work both sides.

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