refactor: split Core into EngineCore (engine) and Core (UI)

EngineCore (new app/coreengine.{h,cpp}) owns every engine-safe part of
the old Core singleton: CoreParams, lifecycle of the engine managers,
UndoStack, tool/snapping/timecode state, locale, autorecovery, recent
projects, footage filters, clipboard, project registry, type
declarations, and the proxy toggle. UI dependencies are inverted
through hooks instead: status-bar/cache-full signals and std::function
handlers for image-sequence confirmation, footage relink, OTIO import,
project save/close and layout load (same pattern as
Config::ErrorHandler).

Core (app/) now derives from EngineCore and keeps only UI behavior:
the main window, dialogs, panel heuristics, import/export flows and
project lifecycle presentation. Its public API is unchanged (all
inherited), and Core::instance() covariantly static_casts the engine
singleton. The render worker constructs EngineCore directly, making it
the first binary that no longer needs the UI side of Core.

~25 engine call sites move from core.h to coreengine.h; a dozen more
drop a vestigial core.h include (gaining direct includes for symbols
they were borrowing transitively). Full gtest suite green (1986 tests,
0 failures).

This commit is contained in:

Mike-Solar

2026-07-20 01:38:42 +08:00

parent 5109dd2995

commit bff06e00e5

34 changed files with 1764 additions and 1313 deletions

									
										app/timeline/timelinemarker.cpp
									
		+1
		-1
	
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				@@ -26,7 +26,7 @@

				#include "common/qtutils.h"

				#include "common/xmlutils.h"

				#include "config/config.h"

				#include "core.h"

				#include "node/project.h"

				#include "ui/colorcoding.h"

				namespace olive