gtk: remove c.zig

It has been done.

src/apprt/gtk/View.zig

@@ -1,73 +0,0 @@
-/// View helps with creating a view with a constraint layout by
-/// managing all the boilerplate. The caller is responsible for
-/// providing the widgets, their names, and the VFL code and gets
-/// a root box as a result ready to be used.
-const View = @This();
-
-const std = @import("std");
-const c = @import("c.zig").c;
-
-const log = std.log.scoped(.gtk);
-
-/// The box that contains all of the widgets.
-root: *c.GtkWidget,
-
-/// A single widget used in the view.
-pub const Widget = struct {
-    /// The name of the widget used for the layout code. This is also
-    /// the name set for the widget for CSS styling.
-    name: [:0]const u8,
-
-    /// The widget itself.
-    widget: *c.GtkWidget,
-};
-
-/// Initialize a new constraint layout view with the given widgets
-/// and VFL.
-pub fn init(widgets: []const Widget, vfl: []const [*:0]const u8) !View {
-    // Box to store all our widgets
-    const box = c.gtk_box_new(c.GTK_ORIENTATION_VERTICAL, 0);
-    errdefer c.g_object_unref(box);
-    c.gtk_widget_set_vexpand(box, 1);
-    c.gtk_widget_set_hexpand(box, 1);
-
-    // Setup our constraint layout and attach it to the box
-    const layout = c.gtk_constraint_layout_new();
-    errdefer c.g_object_unref(layout);
-    c.gtk_widget_set_layout_manager(@ptrCast(box), layout);
-
-    // Setup our views table
-    const views = c.g_hash_table_new(c.g_str_hash, c.g_str_equal);
-    defer c.g_hash_table_unref(views);
-
-    // Add our widgets
-    for (widgets) |widget| {
-        c.gtk_widget_set_parent(widget.widget, box);
-        c.gtk_widget_set_name(widget.widget, widget.name);
-        _ = c.g_hash_table_insert(
-            views,
-            @constCast(@ptrCast(widget.name.ptr)),
-            widget.widget,
-        );
-    }
-
-    // Add all of our constraints for layout
-    var err_: ?*c.GError = null;
-    const list = c.gtk_constraint_layout_add_constraints_from_descriptionv(
-        @ptrCast(layout),
-        vfl.ptr,
-        vfl.len,
-        8,
-        8,
-        views,
-        &err_,
-    );
-    if (err_) |err| {
-        defer c.g_error_free(err);
-        log.warn("error building view message={s}", .{err.message});
-        return error.OperationFailed;
-    }
-    c.g_list_free(list);
-
-    return .{ .root = box };
-}

src/apprt/gtk/c.zig

@@ -1,8 +0,0 @@
-/// Imported C API directly from header files
-pub const c = @cImport({
-    @cInclude("gtk/gtk.h");
-    @cInclude("adwaita.h");
-
-    // compatibility
-    @cInclude("ghostty_gtk_compat.h");
-});

src/apprt/gtk/version.zig

@@ -11,11 +11,17 @@ const gtk = @import("gtk");
 
 const log = std.log.scoped(.gtk);
 
+pub const version: std.SemanticVersion = .{
+    .major = c.GTK_MAJOR_VERSION,
+    .minor = c.GTK_MINOR_VERSION,
+    .patch = c.GTK_MICRO_VERSION,
+};
+
 pub fn logVersion() void {
     log.info("GTK version build={d}.{d}.{d} runtime={d}.{d}.{d}", .{
-        c.GTK_MAJOR_VERSION,
-        c.GTK_MINOR_VERSION,
-        c.GTK_MICRO_VERSION,
+        version.major,
+        version.minor,
+        version.patch,
         gtk.getMajorVersion(),
         gtk.getMinorVersion(),
         gtk.getMicroVersion(),
@@ -45,10 +51,11 @@ pub inline fn atLeast(
     // we can return false immediately. This prevents us from
     // compiling against unknown symbols and makes runtime checks
     // very slightly faster.
-    if (comptime c.GTK_MAJOR_VERSION < major or
-        (c.GTK_MAJOR_VERSION == major and c.GTK_MINOR_VERSION < minor) or
-        (c.GTK_MAJOR_VERSION == major and c.GTK_MINOR_VERSION == minor and c.GTK_MICRO_VERSION < micro))
-        return false;
+    if (comptime version.order(.{
+        .major = major,
+        .minor = minor,
+        .patch = micro,
+    }) == .lt) return false;
 
     // If we're in comptime then we can't check the runtime version.
     if (@inComptime()) return true;