[18202781743]

Replace emit/signals:/slots: with Q_EMIT/Q_SIGNALS:/Q_SLOTS: to avoid naming conflicts with pure C++ or third-party libraries.

Also adds QT_NO_KEYWORDS compile definition in CMakeLists.txt and fixes SPDX copyright year ranges.

Related issue: DDE-499

Summary by Sourcery

Adopt Qt's macro-based signal, slot, and emit syntax and enable QT_NO_KEYWORDS across the project.

Enhancements:

• Replace Qt keyword syntax with Q_EMIT, Q_SIGNALS, and Q_SLOTS throughout the codebase to support QT_NO_KEYWORDS and reduce naming conflicts with C++ and third-party libraries.

Build:

• Enable the QT_NO_KEYWORDS compile definition globally in CMake.

Tests:

• Update affected tests to use Qt's macro-based signal and slot syntax.

Chores:

• Normalize SPDX copyright year ranges across the project.

[deepin-ci-robot]

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: 18202781743

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• debian/deepin/OWNERS

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[sourcery-ai]

Reviewer's Guide

The PR enables QT_NO_KEYWORDS and systematically migrates Qt keyword syntax to Q_EMIT/Q_SIGNALS/Q_SLOTS, while normalizing SPDX years; however, the diff also deletes notifyaccessor.cpp and contains extensive accidental line-collapsing changes that should be carefully reviewed or reverted before merging.

File-Level Changes

Change	Details	Files
Enabled Qt keyword suppression and migrated Qt signal/slot declarations and emissions to macro forms across the project.	Added the global QT_NO_KEYWORDS compile definition. Replaced emit, signals, and slots usages with Q_EMIT, Q_SIGNALS, and Q_SLOTS in production, example, generated, and test code. Updated SPDX copyright year ranges to normalized hyphenated ranges.	CMakeLists.txt applets/**/*.h applets/**/*.cpp example/**/*.h example/**/*.cpp frame/**/*.h frame/**/*.cpp panels/**/*.h panels/**/*.cpp tests/**/*.cpp tests/**/*.h toolGenerate/**/*.h
Removed the notification accessor implementation and introduced broad unintended source formatting/content changes in otherwise unrelated code.	Deleted panels/notification/center/notifyaccessor.cpp. Collapsed many line breaks and statement boundaries across application, panel, model, notification, test, and generated files. Changed generated DBus header string literals and declarations as part of the line-collapsing edits.	panels/notification/center/notifyaccessor.cpp applets/dde-apps/appgroupmanager.cpp applets/dde-apps/appitemmodel.h example/layershell-example/main.cpp frame/models/kextracolumnsproxymodel.cpp panels/dock/constants.h panels/dock/pluginmanagerextension.cpp panels/dock/taskmanager/*.cpp panels/notification/**/*.cpp tests/**/*.cpp toolGenerate/qdbusxml2cpp/*.h

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