Proposal restructure layout

[PatchByte]

Basically what it says! New GUI Example:

TODO:

• [ ] Automatic Layout on the first opening of the application
• [x] Fix some focus bugs when pressing 2 or 3
• [ ] Save ImGui Settings somewhere else like ~/.hsd/imgui_state...
• [ ] Add keyboard search when browsing the new node list (https://github.com/otto-link/Hesiod/issues/131)
• [ ] Move the 'Preview' checkbox of the view nodes to the node settings (https://github.com/otto-link/Hesiod/issues/134)
• [x] Deactivate key bindings when file dialog is opened (https://github.com/otto-link/Hesiod/issues/129)
• [x] Turn the Gui system into a class

Other TODOS:

• [ ] Implement ViewSettingsManager
• [x] Implement ViewShortcutsManager

Ah and the shortcuts are working! I also rewrote some preview code!

[otto-link]

I think we kind we could put the "settings" in a separate window instead of using the current left pane (not very convenient) ?

[PatchByte]

put the "settings" in a separate Well it is the settings of the node, but yeah I am going to put it in a separate window

[otto-link]

I had in mind the layout of Houdini where the graph and the settings are well separated. And right now in Hesiod if you select multiple nodes, all the settings of those nodes are rendered.

Let me know if you need some help, you're carrying a lot of modifications in this PR!

[otto-link]

Nice, let me know when the PR is ready. At this point it's necessary to start reviewing/merging because it's getting huged! (50 files modified 😅)

[PatchByte]

Yeah I guess I need to split this.

[PatchByte]

You should be able to merge now afaik

[PatchByte]

I'll copy all the tasks into the next pr

[PatchByte]

Shortcuts working, yay

[otto-link]

I start the merging and move things on the fly. Maybe wait for the main merge before further modifying the sources.

[PatchByte]

Ok I'll wait

[otto-link]

Hey, I just merged the PR after some modifications. First, thanks a lot for laying out all the structure! While integrating, I kind of got carried away... and pushed a bit further.

Main modifications are:

• a bit of renaming MainWindow / Window
• all the window (node editor, viewer 2d or 3d, node list...) are derived from Window and are not limited in numbers (and independent)
• as a result, a big chunk of the ViewTree object has been moved to those new Window objects
• shortcuts work great, real nice

This needs a bit of polishing and improvements in terms of user experience but I think it's a more "open" framework.

[PatchByte]

:+1: