feat: ask which lock screen to use on hyprland and niri

tests/test_lockpreview.cpp

@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// The user's own lock screen as the window that asks which one to use shows
+// it: hyprlock's and swaylock's configs read the way they read them.
+
+#include "lockpreview.h"
+
+#include <QDir>
+#include <QFile>
+#include <QTemporaryDir>
+#include <QVariantMap>
+
+#include <cstdio>
+
+namespace
+{
+int failures = 0;
+
+void check(bool ok, const char *what)
+{
+    std::printf("%s  %s\n", ok ? "ok  " : "FAIL", what);
+    if (!ok) {
+        ++failures;
+    }
+}
+
+void write(const QString &path, const QByteArray &text)
+{
+    QDir().mkpath(path.section(u'/', 0, -2));
+    QFile f(path);
+    if (f.open(QIODevice::WriteOnly)) {
+        f.write(text);
+    }
+}
+
+QList<QVariantMap> ofType(const QVariantList &widgets, const QString &type)
+{
+    QList<QVariantMap> found;
+    for (const QVariant &w : widgets) {
+        if (w.toMap().value(QStringLiteral("type")).toString() == type) {
+            found.append(w.toMap());
+        }
+    }
+    return found;
+}
+} // namespace
+
+int main()
+{
+    using LockPreview::color;
+    check(color(QStringLiteral("rgba(255, 128, 0, 0.5)")).rgba() == QColor(255, 128, 0, 128).rgba(), "rgba() with numbers");
+    check(color(QStringLiteral("rgba(33ccffee)")) == QColor(0x33, 0xcc, 0xff, 0xee), "rgba() in hex");
+    check(color(QStringLiteral("rgb(10, 20, 30)")) == QColor(10, 20, 30), "rgb() with numbers");
+    check(color(QStringLiteral("0x80112233")) == QColor(0x11, 0x22, 0x33, 0x80), "0xAARRGGBB");
+    check(!color(QStringLiteral("blue-ish")).isValid(), "and nothing for a word");
+
+    QTemporaryDir dir;
+    const QString conf = dir.filePath(QStringLiteral("hyprlock.conf"));
+    write(conf, R"(
+$font = Noto Sans Light
+$white = rgba(255, 255, 255, 1.0)
+
+background {
+    monitor =
+    path = screenshot
+    blur_passes = 2
+}
+
+label {
+    monitor =
+    text = cmd[update:1000] echo "Hi ##1"   # a comment
+    font_family = $font
+    font_size = 30
+    color = $white
+    position = 0, 10%
+    halign = center
+    valign = top
+}
+
+label {
+    monitor = HDMI-A-9
+    text = only on another screen
+}
+
+source = ./more/*.conf
+)");
+    write(dir.filePath(QStringLiteral("more/field.conf")), R"(
+input-field {
+    size = 20%, 50
+    outer_color = rgba(33ccffee) rgba(00ff99ee) 45deg
+    zindex = 5
+}
+)");
+
+    const QUrl desktop = QUrl::fromLocalFile(QStringLiteral("/w/desktop.jpg"));
+    const QVariantList widgets = LockPreview::hyprlock(conf, QSizeF(1000, 500), QStringLiteral("eDP-1"), desktop);
+    const auto backgrounds = ofType(widgets, QStringLiteral("background"));
+    check(backgrounds.size() == 1 && backgrounds.first().value(QStringLiteral("source")).toUrl() == desktop, "a screenshot background shows the desktop's picture");
+    check(backgrounds.first().value(QStringLiteral("blur")).toDouble() > 0, "and is blurred");
+
+    const auto labels = ofType(widgets, QStringLiteral("label"));
+    check(labels.size() == 2, "the label for another screen is left out, face-unlock's line is added");
+    const QVariantMap hi = labels.value(0);
+    check(hi.value(QStringLiteral("text")).toString() == u"Hi #1", "a command's output, ## as #, the comment gone");
+    check(hi.value(QStringLiteral("family")).toString() == u"Noto Sans" && hi.value(QStringLiteral("weight")).toInt() == 300, "a variable, and the font's style word as weight");
+    check(hi.value(QStringLiteral("color")).value<QColor>() == QColor(Qt::white), "a colour through a variable");
+    check(qFuzzyCompare(hi.value(QStringLiteral("y")).toDouble(), 50.0), "a position in percent of the screen");
+    check(labels.value(1).value(QStringLiteral("valign")).toString() == u"top", "face-unlock's line at the top");
+
+    const auto fields = ofType(widgets, QStringLiteral("input"));
+    check(fields.size() == 1, "a sourced file is read");
+    check(qFuzzyCompare(fields.value(0).value(QStringLiteral("width")).toDouble(), 200.0), "a size in percent");
+    const QVariantMap outer = fields.value(0).value(QStringLiteral("outer")).toMap();
+    check(outer.value(QStringLiteral("colors")).toList().size() == 2 && qFuzzyCompare(outer.value(QStringLiteral("angle")).toDouble(), 45.0), "a gradient");
+    check(widgets.last().toMap().value(QStringLiteral("type")).toString() == u"label", "drawn by zindex, the line on top");
+
+    // Once the menu has put the line in, it is not there twice.
+    write(conf, "label {\n    text = cmd[update:0:1] cat \"$XDG_RUNTIME_DIR/face-unlock/lock-text\"\n}\n");
+    const auto ours = ofType(LockPreview::hyprlock(conf, QSizeF(1000, 500), QString(), desktop), QStringLiteral("label"));
+    check(ours.size() == 1 && !ours.first().value(QStringLiteral("text")).toString().isEmpty(), "face-unlock's line once, saying what it would");
+
+    const QString sway = dir.filePath(QStringLiteral("swaylock"));
+    write(sway, "# comment\nimage=eDP-1:~/pic.png\ncolor=102030\nindicator-idle-visible\nindicator-radius=80\n");
+    const QVariantList swaylock = LockPreview::swaylock(sway, desktop);
+    const QVariantMap back = swaylock.value(0).toMap();
+    check(back.value(QStringLiteral("source")).toUrl() == QUrl::fromLocalFile(QDir::homePath() + QStringLiteral("/pic.png")), "swaylock: the image, without its output");
+    check(back.value(QStringLiteral("color")).value<QColor>() == QColor(0x10, 0x20, 0x30), "swaylock: the colour");
+    check(ofType(swaylock, QStringLiteral("ring")).value(0).value(QStringLiteral("radius")).toDouble() == 80, "swaylock: the ring when it stays visible");
+    check(LockPreview::swaylock(QString(), desktop).value(0).toMap().value(QStringLiteral("color")).value<QColor>() == QColor(Qt::white), "swaylock without a config: white");
+
+    std::printf("\n%s\n", failures ? "SOME CHECKS FAILED" : "all checks passed");
+    return failures ? 1 : 0;
+}