The changes replace QtDBus implementation with direct libdbus-1 calls
in dsgapplication.cpp for better control and performance. Key changes
include:
1. Added libdbus-1-dev as build dependency in debian/control
2. Updated CMakeLists.txt to find and link against libdbus-1
3. Implemented new utility functions checkDBusServiceActivatable and
callDBusIdentifyMethod using libdbus-1 API
4. Removed QtDBus dependencies and replaced with direct D-Bus calls
5. Added proper error handling and resource cleanup for D-Bus
connections
This change provides more direct control over D-Bus interactions
and removes QtDBus dependency overhead while maintaining the same
functionality.
refactor: 在 dsgapplication 中用 libdbus-1 替换 QtDBus
这些更改用直接的 libdbus-1 调用替换了 dsgapplication.cpp 中的 QtDBus 实
现，以获得更好的控制和性能。主要变更包括：
1. 在 debian/control 中添加了 libdbus-1-dev 作为构建依赖
2. 更新 CMakeLists.txt 以查找并链接 libdbus-1
3. 使用 libdbus-1 API 实现了新的实用函数 checkDBusServiceActivatable 和
callDBusIdentifyMethod
4. 移除了 QtDBus 依赖项并替换为直接的 D-Bus 调用
5. 为 D-Bus 连接添加了适当的错误处理和资源清理
此变更提供了对 D-Bus 交互更直接的控制，在保持相同功能的同时移除了 QtDBus
依赖开销。
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