Added Reload Disk Image option to file menu

[mziab]

I find myself reloading images a lot, so I've added a simple Reload Image feature to the File menu. This code works for me, I've used it for a few months now in a previous iteration. Hopefully everything is in order.

[coderabbitai]

Walkthrough

This change modifies the GUI by adding a new menu item in the endFrame() method to allow users to dynamically reload a disk image. The code checks if the current ISO is valid and then displays the "Reload Disk Image" option. When selected, the process clears the current ISO, sets a new one, verifies the CD-ROM, and finally triggers a hard system reset. There are no modifications to any public or exported declarations.

Changes

File	Change Summary
src/.../gui.cc	Added a new menu item in endFrame() that checks for a valid ISO. On selection, it clears the ISO, sets a new one, performs a CD-ROM check, and triggers a hard reset.

Sequence Diagram(s)

sequenceDiagram
    participant U as User
    participant G as GUI (endFrame)
    participant C as CDROM
    participant S as System

    U->>G: Opens GUI frame
    G->>C: getIso()
    alt ISO is valid
      G->>U: Display "Reload Disk Image" option
      U->>G: Selects reload option
      G->>C: clearIso()
      G->>C: setIso(new CDRIso(path))
      G->>C: check()
      G->>S: hardReset()
    else ISO is invalid
      G-->>U: Option not shown
    end

Loading

Poem

I'm a little hopper, full of cheer,
Watching new changes appear right here.
A menu leaps with a brand new role,
Reloading disks to make things whole.
With each hard reset, I bounce with delight—
An ASCII bunny celebrates the code tonight!

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🔇 Additional comments (1)

src/gui/gui.cc (1)

1209-1215: Clean implementation of disk image reloading feature.

The implementation properly checks if a valid ISO exists before enabling the option, then correctly reloads it by clearing the existing ISO, creating a new one with the same path, checking the CD-ROM, and performing a hard reset. This implementation follows the existing code patterns in the file and provides a useful shortcut for users who frequently need to reload disk images.

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