Comments (5)
bohonghuang
commented on July 19, 2024
Could you please clarify what you mean by "complex UI"? In fact, if you want to create a new widget in GTK, it is also done by using Cairo for drawing. However, currently, subclassing a GObject class in Lisp is not supported at present.
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bigos
commented on July 19, 2024
What if I want to create my own widgets and widget system to depend on Gtk
as little as possible?
Here, you have the example of a simple tic-tac-toe game. But if I want to
go further, creating more complex games, diagram programs, or specialist
editors, the UI will become complex. My approach explores the ability to
test the UI model without the use of Gtk. So, in the end, I can run a
function that does the same as the callback for Cairo canvas drawing, but
instead of drawing to a widget, it draws to a PNG file. That gives me the
ability to visually verify that the code did what I want. I can have a
series of snapshots and way to compare to previous runs without constantly
creating screen grabs.
…On Wed, 27 Sept 2023 at 07:11, bohonghuang ***@***.***> wrote:
Could you please clarify what you mean by "complex UI"? In fact, if you
want to create a new widget in GTK, it is also done by using Cairo for
drawing. However, currently, subclassing a GObject class in Lisp is not
supported at present.
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bohonghuang
commented on July 19, 2024
If you want to create complex applications like games, Cairo may not be the best choice, and an immediate UI based on OpenGL might better suit your needs. In OpenGL, you have the ability to draw any control you want and handle complex mouse or keyboard interactions on your own.
GTK supports creating an OpenGL context, and you can also use a lighter-weight library like GLFW. Common Lisp has mature bindings for these libraries as well.
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bigos
commented on July 19, 2024
Yes, but following discussions here:https://github.com/kaveh808/kons-9/discussions, I can see other issues. I was wondering how far I can go with Cairo before I need to switch to GLFW. And how can I test the underlying model without using Gtk.
Maybe that is a speculation outside the scope of your project.
Please feel free to close the issue.
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bohonghuang
commented on July 19, 2024
Maybe that is a speculation outside the scope of your project.
Yes, but at the same time, I'm glad to see your attempts in this regard.
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