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apprt/gtk-ng: create the privateObjFieldAccessor helper to unref

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This commit is contained in:
Mitchell Hashimoto
2025-07-27 15:07:12 -07:00
parent c4de001023
commit bf61f29f57
5 changed files with 84 additions and 36 deletions
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78
src/apprt/gtk-ng/class.zig
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@ -46,6 +46,84 @@ pub fn Common(
}
}).private else {};
/// A helper that can be used to create a property that reads and
/// writes a private boxed gobject field type.
///
/// Reading the property will result in allocating a pointer and
/// setting it will free the previous pointer.
///
/// The object class (Self) must still free the private field
/// in finalize!
pub fn privateBoxedFieldAccessor(
comptime name: []const u8,
) gobject.ext.Accessor(
Self,
@FieldType(Private.?, name),
) {
return .{
.getter = &struct {
fn get(self: *Self, value: *gobject.Value) void {
gobject.ext.Value.set(
value,
@field(private(self), name),
);
}
}.get,
.setter = &struct {
fn set(self: *Self, value: *const gobject.Value) void {
const priv = private(self);
if (@field(priv, name)) |v| {
glib.ext.destroy(v);
}
const T = @TypeOf(@field(priv, name));
@field(
priv,
name,
) = gobject.ext.Value.dup(value, T);
}
}.set,
};
}
/// A helper that can be used to create a property that reads and
/// writes a private field gobject field type (reference counted).
///
/// Reading the property will result in taking a reference to the
/// value and writing the property will unref the previous value.
///
/// The object class (Self) must still free the private field
/// in finalize!
pub fn privateObjFieldAccessor(
comptime name: []const u8,
) gobject.ext.Accessor(
Self,
@FieldType(Private.?, name),
) {
return .{
.getter = &struct {
fn get(self: *Self, value: *gobject.Value) void {
gobject.ext.Value.set(
value,
@field(private(self), name),
);
}
}.get,
.setter = &struct {
fn set(self: *Self, value: *const gobject.Value) void {
const priv = private(self);
if (@field(priv, name)) |v| v.unref();
const T = @TypeOf(@field(priv, name));
@field(
priv,
name,
) = gobject.ext.Value.dup(value, T);
}
}.set,
};
}
/// A helper that can be used to create a property that reads and
/// writes a private `?[:0]const u8` field type.
///

14
src/apprt/gtk-ng/class/clipboard_confirmation_dialog.zig
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@ -59,12 +59,7 @@ pub const ClipboardConfirmationDialog = extern struct {
.{
.nick = "Request",
.blurb = "The clipboard request.",
.accessor = gobject.ext.privateFieldAccessor(
Self,
Private,
&Private.offset,
"request",
),
.accessor = C.privateBoxedFieldAccessor("request"),
},
);
};
@ -78,12 +73,7 @@ pub const ClipboardConfirmationDialog = extern struct {
.{
.nick = "Clipboard Contents",
.blurb = "The clipboard contents being read/written.",
.accessor = gobject.ext.privateFieldAccessor(
Self,
Private,
&Private.offset,
"clipboard_contents",
),
.accessor = C.privateObjFieldAccessor("clipboard_contents"),
},
);
};

14
src/apprt/gtk-ng/class/surface.zig
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@ -50,12 +50,7 @@ pub const Surface = extern struct {
.{
.nick = "Config",
.blurb = "The configuration that this surface is using.",
.accessor = gobject.ext.privateFieldAccessor(
Self,
Private,
&Private.offset,
"config",
),
.accessor = C.privateObjFieldAccessor("config"),
},
);
};
@ -89,12 +84,7 @@ pub const Surface = extern struct {
.{
.nick = "Desired Font Size",
.blurb = "The desired font size, only affects initialization.",
.accessor = gobject.ext.privateFieldAccessor(
Self,
Private,
&Private.offset,
"font_size_request",
),
.accessor = C.privateBoxedFieldAccessor("font_size_request"),
},
);
};

7
src/apprt/gtk-ng/class/surface_child_exited.zig
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@ -42,12 +42,7 @@ const SurfaceChildExitedBanner = extern struct {
.{
.nick = "Data",
.blurb = "The child exit data.",
.accessor = gobject.ext.privateFieldAccessor(
Self,
Private,
&Private.offset,
"data",
),
.accessor = C.privateBoxedFieldAccessor("data"),
},
);
};

7
src/apprt/gtk-ng/class/window.zig
View File

@ -69,12 +69,7 @@ pub const Window = extern struct {
.{
.nick = "Config",
.blurb = "The configuration that this surface is using.",
.accessor = gobject.ext.privateFieldAccessor(
Self,
Private,
&Private.offset,
"config",
),
.accessor = C.privateObjFieldAccessor("config"),
},
);
};