api: Flatten and simplify Servo preferences (#34966)

Flatten and simplify Servo's preferences code. In addition, have both
preferences and options passed in as arguments to `Servo::new()` and
make sure not to use the globally set preferences in `servoshell` (as
much as possible now).

Instead of a complex procedural macro to generate preferences, just
expose a very simple derive macro that adds string based getters and
setters.

- All command-line parsing is moved to servoshell.
- There is no longer the concept of a missing preference.
- Preferences no longer have to be part of the resources bundle because
  they now have reasonable default values.
- servoshell specific preferences are no longer part of the preferences
  exposed by the Servo API.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-01-14 14:54:06 +01:00 committed by GitHub
parent c4c85affb5
commit 0e616e0c5d
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316 changed files with 2088 additions and 3235 deletions

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@ -408,7 +408,7 @@ impl MouseEventMethods<crate::DomTypeHolder> for MouseEvent {
// This returns the same result as current gecko.
// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/which
fn Which(&self) -> i32 {
if pref!(dom.mouse_event.which.enabled) {
if pref!(dom_mouse_event_which_enabled) {
(self.button.get() + 1) as i32
} else {
0