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diff --git a/src/window.vala b/src/window.vala
index 9bbe6f1..c5eea4b 100644
--- a/src/window.vala
+++ b/src/window.vala
@@ -1,37 +1,60 @@
public class WriteAs.MainWindow : Gtk.ApplicationWindow {
private Gtk.TextView canvas;
+ private bool dark_mode = false;
+
construct {
construct_toolbar();
canvas = new Gtk.TextView();
add(canvas);
}
public MainWindow(Gtk.Application app) {
set_application(app);
set_default_size(800, 600);
}
private void construct_toolbar() {
var header = new Gtk.HeaderBar();
header.title = "";
header.show_close_button = true;
set_titlebar(header);
var darkmode_button = new Gtk.ToggleButton();
// NOTE the fallback icon is a bit of a meaning stretch, but it works.
var icon_theme = Gtk.IconTheme.get_default();
darkmode_button.image = new Gtk.Image.from_icon_name(
icon_theme.has_icon("writeas-bright-dark") ?
"writeas-bright-dark" : "weather-clear-night",
Gtk.IconSize.SMALL_TOOLBAR);
darkmode_button.draw_indicator = false;
var settings = Gtk.Settings.get_default();
darkmode_button.toggled.connect(() => {
settings.gtk_application_prefer_dark_theme = darkmode_button.active;
+ dark_mode = darkmode_button.active;
+ adjust_text_style();
});
header.pack_end(darkmode_button);
}
+
+ private Gtk.CssProvider cur_styles = null;
+ private void adjust_text_style() {
+ try {
+ var styles = canvas.get_style_context();
+ if (cur_styles != null) styles.remove_provider(cur_styles);
+
+ var css = "";
+ if (dark_mode) {
+ css = "* {background: black; color: white;}";
+ }
+ cur_styles = new Gtk.CssProvider();
+ cur_styles.load_from_data(css);
+
+ styles.add_provider(cur_styles, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
+ } catch (Error e) {
+ warning(e.message);
+ }
+ }
}

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