fix: [Font-size] The Font size can not change by dde-control-center.

[GongHeng2017]

-- Dtk enables the font size of upper-layer applications to change with the control center
through DApplication.
-- The desktop program has embedded dde-shell, but dde-shell uses QApplication, causing the
font size of upper-layer applications not to follow changes when the control center's font
size is adjusted.
-- Modify dde-shell's QApplication to DApplication.

Log: fix issue
PMS: BUG-285621

Summary by Sourcery

Replace QApplication with DApplication in dde-shell to enable font size synchronization with the control center

Bug Fixes:

• Fix font size change synchronization issue between dde-shell and control center by switching from QApplication to DApplication

Enhancements:

• Update application initialization to use DApplication for better integration with Deepin desktop environment

Build:

• Add Dtk Widget package dependency in CMakeLists.txt
• Update target link libraries to include Dtk Widget library

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在CMakeLists.txt文件中新增了find_package(Dtk${DTK_VERSION_MAJOR} COMPONENTS Widget REQUIRED)和Dtk${DTK_VERSION_MAJOR}::Widget的引用，需要确认DTK_VERSION_MAJOR是否已定义且正确。
• 在main.cpp文件中，将QApplication替换为DApplication，需要确保DApplication的引入和使用是正确的，并且与现有的代码兼容。

是否建议立即修改:

• 是，需要确保新增的依赖和替换的类是正确的，并且不会引入新的问题。

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request modifies dde-shell to use DApplication instead of QApplication. This change allows the font size of upper-layer applications to change with the control center. Additionally, the CMakeLists.txt file was updated to include the Widget component from Dtk.

Sequence diagram for font size change propagation

sequenceDiagram
    actor User
    participant ControlCenter
    participant DApplication
    participant UpperLayerApp

    User->>ControlCenter: Adjusts font size
    ControlCenter->>DApplication: Sets new font size
    DApplication->>UpperLayerApp: Propagates font size change
    UpperLayerApp->>UpperLayerApp: Updates UI with new font size

Loading

Updated class diagram for QApplication and DApplication

classDiagram
    class QApplication {
        -- Removed --
    }
    class DApplication {
        -- Added --
    }

    DApplication --|> QApplication : inherits from

Loading

File-Level Changes

Change	Details	Files
Replaced QApplication with DApplication in dde-shell to enable font size changes from the control center.	Replaced QApplication a(argc, argv) with DApplication a(argc, argv) in main.cpp. Added DWIDGET_USE_NAMESPACE in main.cpp.	shell/main.cpp
Added the Widget component from Dtk to the CMakeLists.txt file.	Added find_package(Dtk${DTK_VERSION_MAJOR} COMPONENTS Widget REQUIRED) to find the Dtk Widget package. Added Dtk${DTK_VERSION_MAJOR}::Widget to the target link libraries.	shell/CMakeLists.txt

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[sourcery-ai]

Hey @GongHeng2017 - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider adding a comment explaining why UseInactiveColorGroup is being set to false.
• It might be helpful to add a brief explanation about why QT_SCALE_FACTOR is being unset.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[GongHeng2017]

@BLumia 麻烦review一下

[GongHeng2017]

@18202781743

[BLumia]

Commit message 需要改成 PMS: BUG-285621（不能直接贴链接）

@18202781743 这里只能用 dtkwidget 的 DApplication 吗？

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: 18202781743, GongHeng2017

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[18202781743]

Commit message 需要改成 PMS: BUG-285621（不能直接贴链接）

@18202781743 这里只能用 dtkwidget 的 DApplication 吗？

fontSize 在DApplication里做的，不然的话widget的很多应用用之前的接口就有问题了，需要手动去用dtkgui的实现，
之后dde-shell不支持widget后，再把qaplication改成qguiapplication,