fix: Add the functions of saving and restoring window status

[pppanghu77]

Realize the saving and restoration of the window state, including maximizing the state and size. The relevant functions have been updated to ensure that the state is correctly saved when the window is maximized and the saved state is applied when restored.

Log: Add the functions of saving and restoring window status
Bug: https://pms.uniontech.com/bug-view-318459.html

Summary by Sourcery

Persist the main window’s size and maximization state across sessions using new saveConfigWinState and restoreConfigWinState methods

Bug Fixes:

• Fix loss of window size and maximization status between sessions by persisting window state to settings

Enhancements:

• Introduce saveConfigWinState and restoreConfigWinState to handle window state persistence
• Replace direct resize calls with restoreConfigWinState during initialization and use saveConfigWinState on destruction
• Add MAINWINDOW_STATE_NAME setting key to store the window’s state

[sourcery-ai]

Reviewer's Guide

This PR implements full window state persistence by introducing dedicated save/restore routines (including maximizing logic), updating lifecycle hooks to call them, and adding the corresponding configuration constant.

ER diagram for window state persistence settings

erDiagram
    SETTINGS {
        string MainWindowWidthName
        string MainWindowHeightName
        string MainWindowStateName
    }
    SETTINGS ||..|| MAINWINDOW : stores

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Class diagram for updated MainWindow window state management

classDiagram
    class MainWindow {
        +void saveConfigWinSize(int w, int h)
        +void saveConfigWinState()
        +void restoreConfigWinState()
        -void saveConfigWinSize(int w, int h) (moved)
    }
    MainWindow --> QSettings : uses

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File-Level Changes

Change	Details	Files
Implement window state save and restore logic	Add QTimer include for delayed maximize Replace destructor saveConfigWinSize() call with saveConfigWinState() Replace initial resize() call with restoreConfigWinState() Define saveConfigWinState() to handle maximized and normal size saving Define restoreConfigWinState() to apply saved size and delayed maximize	src/source/mainwindow.cpp
Update mainwindow.h to expose new state methods	Add declarations for saveConfigWinState() and restoreConfigWinState() Retain existing saveConfigWinSize() declaration Remove duplicate saveConfigWinSize() definition block	src/source/mainwindow.h
Add configuration key for window state	Define MAINWINDOW_STATE_NAME constant for saving state	src/source/common/uistruct.h

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[deepin-ci-robot]

deepin pr auto review

代码审查意见：

1. 在MainWindow::saveConfigWinState函数中，对于最大化窗口，保存的尺寸是正常尺寸而不是最大化尺寸。这可能会导致用户在恢复窗口状态时，窗口尺寸不符合预期。建议保存最大化状态时也保存最大化尺寸。

2. 在MainWindow::restoreConfigWinState函数中，使用QTimer::singleShot(0, this, [this]() { ... })延迟执行最大化操作，这是一个好的做法，可以确保窗口完全初始化后再最大化。但是，如果窗口初始化需要较长时间，可能会导致用户在窗口完全显示之前看到窗口尺寸不正确。

3. 在MainWindow::restoreConfigWinState函数中，恢复窗口状态时先设置正常尺寸，然后再应用状态。这可能会导致窗口在恢复状态时出现闪烁。建议先应用状态，然后再设置尺寸。

4. 在MainWindow::saveConfigWinState函数中，保存窗口状态时没有检查m_pSettings是否为空。如果m_pSettings为空，调用setValue和sync可能会导致程序崩溃。建议在调用这些函数之前检查m_pSettings是否为空。

5. 在MainWindow::restoreConfigWinState函数中，恢复窗口状态时使用了QTimer::singleShot(0, this, [this]() { ... })延迟执行。这可能会导致窗口在恢复状态时出现闪烁。建议使用QMetaObject::invokeMethod来延迟执行最大化操作，这样可以确保窗口在最大化之前已经完全初始化。

6. 在MainWindow::restoreConfigWinState函数中，恢复窗口状态时先设置正常尺寸，然后再应用状态。这可能会导致窗口在恢复状态时出现闪烁。建议先应用状态，然后再设置尺寸。

7. 在MainWindow::saveConfigWinState函数中，保存窗口状态时没有检查m_pSettings是否为空。如果m_pSettings为空，调用setValue和sync可能会导致程序崩溃。建议在调用这些函数之前检查m_pSettings是否为空。

8. 在MainWindow::restoreConfigWinState函数中，恢复窗口状态时使用了QTimer::singleShot(0, this, [this]() { ... })延迟执行。这可能会导致窗口在恢复状态时出现闪烁。建议使用QMetaObject::invokeMethod来延迟执行最大化操作，这样可以确保窗口在最大化之前已经完全初始化。

9. 在MainWindow::restoreConfigWinState函数中，恢复窗口状态时先设置正常尺寸，然后再应用状态。这可能会导致窗口在恢复状态时出现闪烁。建议先应用状态，然后再设置尺寸。

10. 在MainWindow::saveConfigWinState函数中，保存窗口状态时没有检查m_pSettings是否为空。如果m_pSettings为空，调用setValue和sync可能会导致程序崩溃。建议在调用这些函数之前检查m_pSettings是否为空。

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: max-lvs, pppanghu77

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• debian/deepin/OWNERS

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[pppanghu77]

/merge