feat: tint KDE Rounded Corners effect window outline

Author: luisbocanegra

src/kde_material_you_colors/apply_themes.py

@@ -59,6 +59,10 @@ def apply(config: Configs, wallpaper: WallpaperReader, dark_light):
         titlebar_utils.klassy_windeco_outline_color(schemes, dark_light)
         kwin_utils.klassy_update_decoration_color_cache()
         needs_kwin_reload = True
+    if config.read("kde_rounded_corners_effect_outline"):
+        titlebar_utils.kde_rounded_corners_effect_outline_color(schemes, dark_light)
+        kwin_utils.kde_rounded_corners_reload_effect()
+        needs_kwin_reload = True
     if (
         config.read("titlebar_opacity") or config.read("titlebar_opacity_dark")
     ) and config.read("titlebar_opacity_override"):

src/kde_material_you_colors/config.py

@@ -183,6 +183,11 @@ def defaults(self):
             "manual_fetch": [args.manual_fetch, False, 0],
             "fetch_colors": [None, False, 0],
             "spec_version": [args.spec_version, None, 3],
+            "kde_rounded_corners_effect_outline": [
+                args.kde_rounded_corners_effect_outline,
+                None,
+                0,
+            ],
         }
 
     def parse_conf(self):

src/kde_material_you_colors/data/sample_config.conf

@@ -233,3 +233,8 @@ manual_fetch = False
 # One of 2021 2025
 # Default is 2025
 spec_version = 2025
+
+# Tint KDE Rounded Corners desktop effect window outline
+# Requires https://github.com/matinlotfali/KDE-Rounded-Corners
+# Default is False
+kde_rounded_corners_effect_outline = False

src/kde_material_you_colors/main.py

@@ -386,6 +386,13 @@ def main():
         metavar="<version>",
     )
 
+    parser.add_argument(
+        "--kde-rounded-corners-effect-outline",
+        action="store_true",
+        help="Tint KDE Rounded Corners desktop effect window outline",
+        default=None,
+    )
+
     # Get commandline arguments
     args = parser.parse_args()
     # Check for one shot arguments

src/kde_material_you_colors/settings.py

@@ -54,6 +54,7 @@
 LOG_FILE_NAME = "kde-material-you-colors.log"
 MATERIAL_YOU_COLORS_JSON = f"{TEMPDIR}/kde-material-you-colors-" + USERNAME + ".json"
 KWIN_RULES_RC = HOME + "/.config/kwinrulesrc"
+KWIN_RC = HOME + "/.config/kwinrc"
 PIDFILE_PATH = f"{TEMPDIR}/kde-material-you-colors-{USERNAME}.pid"
 SCREENSHOT_PATH = f"{TEMPDIR}/kde-material-you-colors-desktop-screenshot-{USERNAME}.png"
 KWIN_DESKTOP_ID_JSCRIPT = (

src/kde_material_you_colors/utils/kwin_utils.py

@@ -240,3 +240,19 @@ def screenshot_window(window_handle, output_file):
 
     screenshot_taken = return_code == 0
     return screenshot_taken
+
+
+def kde_rounded_corners_reload_effect():
+    try:
+        bus = dbus.SessionBus()
+        kwin = bus.get_object("org.kde.KWin", "/Effects")
+        effects_iface = dbus.Interface(kwin, "org.kde.kwin.Effects")
+        is_loaded = effects_iface.isEffectLoaded("kwin4_effect_shapecorners")
+        if is_loaded:
+            effects_iface.reconfigureEffect("kwin4_effect_shapecorners")
+    except dbus.exceptions.DBusException as e:
+        logging.exception(
+            f"Error reloading rounded corners effect: {e.get_dbus_message()}"
+        )
+    except Exception as e:
+        logging.exception(f"Unexpected error reloading rounded corners effect: {e}")

src/kde_material_you_colors/utils/titlebar_utils.py

@@ -4,6 +4,7 @@
 from kde_material_you_colors import settings
 from kde_material_you_colors.utils import math_utils
 from kde_material_you_colors.utils import string_utils
+from kde_material_you_colors.utils import color_utils
 from kde_material_you_colors.schemeconfigs import ThemeConfig
 
 
@@ -272,3 +273,53 @@ def kwin_rule_darker_titlebar(light, darker_window_list):
 
     with open(settings.KWIN_RULES_RC, "w") as configfile:
         kwin_rules.write(configfile, space_around_delimiters=False)
+
+
+def kde_rounded_corners_effect_outline_color(schemes: ThemeConfig, light=None):
+    if light:
+        outline = string_utils.tup2str(
+            color_utils.hex2rgb(
+                schemes.get_material_schemes()["schemes"]["light"]["primaryFixed"]
+            )
+        )
+        outline_inactive = string_utils.tup2str(
+            color_utils.hex2rgb(
+                schemes.get_material_schemes()["schemes"]["light"]["surfaceDim"]
+            )
+        )
+    else:
+        outline = string_utils.tup2str(
+            color_utils.hex2rgb(
+                schemes.get_material_schemes()["schemes"]["dark"]["primaryFixed"]
+            )
+        )
+        outline_inactive = string_utils.tup2str(
+            color_utils.hex2rgb(
+                schemes.get_material_schemes()["schemes"]["dark"]["surfaceBright"]
+            )
+        )
+
+    kwinrc = configparser.ConfigParser()
+    # preserve case
+    kwinrc.optionxform = str
+    if os.path.exists(settings.KWIN_RC):
+        try:
+            kwinrc.read(settings.KWIN_RC)
+            if "Round-Corners" not in kwinrc:
+                kwinrc.add_section("Round-Corners")
+            kwinrc["Round-Corners"]["OutlineColor"] = outline
+            kwinrc["Round-Corners"]["InactiveOutlineColor"] = outline_inactive
+            kwinrc["Round-Corners"]["ActiveOutlineAlpha"] = "255"
+            kwinrc["Round-Corners"]["InactiveOutlineAlpha"] = "255"
+
+            logging.info(
+                "Applying KDE Rounded Corners desktop effect window outline color"
+            )
+            with open(settings.KWIN_RC, "w", encoding="utf-8") as configfile:
+                kwinrc.write(configfile, space_around_delimiters=False)
+        except Exception as e:
+            logging.error(
+                f"Error writing KDE Rounded Corners desktop effect window outline color:\n{e}"
+            )
+    else:
+        logging.warning(f"KWin config '{settings.KWIN_RC}' not found, skipping")

src/plasmoid/package/contents/ui/FullRepresentation.qml

@@ -573,6 +573,7 @@ ColumnLayout {
                                     property real frame_contrast: 0.2; \
                                     property real contrast_level: 0.0; \
                                     property string spec_version: "2025"; \
+                                    property bool kde_rounded_corners_effect_outline: false; \
                                 }';
 
                             settings = Qt.createQmlObject(settingsString, mainLayout, "settingsObject");
@@ -1794,6 +1795,23 @@ ColumnLayout {
                                 }
                             }
 
+                            RowLayout {
+                                Layout.topMargin: Kirigami.Units.mediumSpacing
+                                PlasmaComponents3.Label {
+                                    text: "Tint KDE Rounded Corners desktop effect window outline"
+                                    Layout.alignment: Qt.AlignLeft
+                                }
+
+                                PlasmaComponents3.CheckBox {
+                                    id: enableKdeRoundedCornersEffectOutline
+                                    checked: settings.kde_rounded_corners_effect_outline
+
+                                    onCheckedChanged: {
+                                        settings.kde_rounded_corners_effect_outline = checked;
+                                    }
+                                }
+                            }
+
                             RowLayout {
                                 PlasmaComponents3.Label {
                                     text: "Match Titlebar"