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Merge pull request #2060 from jcollie/gtk-compatibility

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Conditional compilation against different GTK versions
This commit is contained in:
Mitchell Hashimoto
2024-08-31 20:04:49 -07:00
committed by GitHub
parent f1aea10a84 bbb204ac85
commit 9ce789cc85
2 changed files with 16 additions and 4 deletions
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15
src/apprt/gtk/Surface.zig
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@ -21,7 +21,8 @@ const ClipboardConfirmationWindow = @import("ClipboardConfirmationWindow.zig");
const ResizeOverlay = @import("ResizeOverlay.zig");
const inspector = @import("inspector.zig");
const gtk_key = @import("key.zig");
const c = @import("c.zig").c;
const cpkg = @import("c.zig");
const c = cpkg.c;
const x11 = @import("x11.zig");
const log = std.log.scoped(.gtk_surface);
@ -822,9 +823,15 @@ pub fn shouldClose(self: *const Surface) bool {
}
pub fn getContentScale(self: *const Surface) !apprt.ContentScale {
// Future: detect GTK version 4.12+ and use gdk_surface_get_scale so we
// can support fractional scaling.
const gtk_scale: f32 = @floatFromInt(c.gtk_widget_get_scale_factor(@ptrCast(self.gl_area)));
const gtk_scale: f32 = scale: {
if (comptime cpkg.gtkVersionAtLeast(4, 12)) {
const native = c.gtk_widget_get_native(@ptrCast(self.gl_area));
const surface = c.gtk_native_get_surface(native);
break :scale @floatCast(c.gdk_surface_get_scale(surface));
} else {
break :scale @floatFromInt(c.gtk_widget_get_scale_factor(@ptrCast(self.gl_area)));
}
};
// If we are on X11, we also have to scale using Xft.dpi
const xft_dpi_scale = if (!x11.is_current_display_server()) 1.0 else xft_scale: {

5
src/apprt/gtk/c.zig
View File

@ -17,3 +17,8 @@ pub const c = @cImport({
// compatibility
@cInclude("ghostty_gtk_compat.h");
});
pub fn gtkVersionAtLeast(comptime major: c_int, comptime minor: c_int) bool {
return (c.GTK_MAJOR_VERSION > major or
(c.GTK_MAJOR_VERSION == major and c.GTK_MINOR_VERSION >= minor));
}