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gtk-ng: refactor CSD/SSD style class settings (#8250)

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This commit is contained in:
Leah Amelia Chen
2025-08-16 01:39:24 +08:00
committed by GitHub
parent 0930b2daff 11ecb516d4
commit 5d19b24776
1 changed files with 39 additions and 9 deletions
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48
src/apprt/gtk-ng/class/window.zig
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@@ -557,16 +557,46 @@ pub const Window = extern struct {
/// fullscreen, etc.).
fn syncAppearance(self: *Self) void {
const priv = self.private();
const csd_enabled = priv.winproto.clientSideDecorationEnabled();
self.as(gtk.Window).setDecorated(@intFromBool(csd_enabled));
const widget = self.as(gtk.Widget);
// Fix any artifacting that may occur in window corners. The .ssd CSS
// class is defined in the GtkWindow documentation:
// https://docs.gtk.org/gtk4/class.Window.html#css-nodes. A definition
// for .ssd is provided by GTK and Adwaita.
self.toggleCssClass("csd", csd_enabled);
self.toggleCssClass("ssd", !csd_enabled);
self.toggleCssClass("no-border-radius", !csd_enabled);
// Toggle style classes based on whether we're using CSDs or SSDs.
//
// These classes are defined in the gtk.Window documentation:
// https://docs.gtk.org/gtk4/class.Window.html#css-nodes.
{
// Reset all style classes first
inline for (&.{
"ssd",
"csd",
"solid-csd",
"no-border-radius",
}) |class|
widget.removeCssClass(class);
const csd_enabled = priv.winproto.clientSideDecorationEnabled();
self.as(gtk.Window).setDecorated(@intFromBool(csd_enabled));
if (csd_enabled) {
const display = widget.getDisplay();
// We do the exact same check GTK is doing internally and toggle
// either the `csd` or `solid-csd` style, based on whether the user's
// window manager is deemed _non-compositing_.
//
// In practice this only impacts users of traditional X11 window
// managers (e.g. i3, dwm, awesomewm, etc.) and not X11 desktop
// environments or Wayland compositors/DEs.
if (display.isRgba() != 0 and display.isComposited() != 0) {
widget.addCssClass("csd");
} else {
widget.addCssClass("solid-csd");
}
} else {
widget.addCssClass("ssd");
// Fix any artifacting that may occur in window corners.
widget.addCssClass("no-border-radius");
}
}
// Trigger all our dynamic properties that depend on the config.
inline for (&.{