# Copyright © SixtyFPS GmbH # SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 import pytest from slint import slint as native from slint.slint import Image, Color, Brush import os from pathlib import Path def test_property_access() -> None: compiler = native.Compiler() compdef = compiler.build_from_source( """ export global TestGlobal { in property theglobalprop: "Hey"; callback globallogic(); } export struct MyStruct { title: string, finished: bool, dash-prop: bool, } export component Test { in property strprop: "Hello"; in property intprop: 42; in property floatprop: 100; in property boolprop: true; in property imgprop; in property brushprop: Colors.rgb(255, 0, 255); in property colprop: Colors.rgb(0, 255, 0); in property <[string]> modelprop; in property structprop: { title: "builtin", finished: true, dash-prop: true, }; in property imageprop: @image-url("../../../demos/printerdemo/ui/images/cat.jpg"); callback test-callback(); } """, Path(__file__).parent / "main.slint", ).component("Test") assert compdef is not None instance = compdef.create() assert instance is not None with pytest.raises(ValueError, match="no such property"): instance.set_property("nonexistent", 42) assert instance.get_property("strprop") == "Hello" instance.set_property("strprop", "World") assert instance.get_property("strprop") == "World" with pytest.raises(ValueError, match="wrong type"): instance.set_property("strprop", 42) assert instance.get_property("intprop") == 42 instance.set_property("intprop", 100) assert instance.get_property("intprop") == 100 with pytest.raises(ValueError, match="wrong type"): instance.set_property("intprop", False) assert instance.get_property("floatprop") == 100 instance.set_property("floatprop", 42) assert instance.get_property("floatprop") == 42 with pytest.raises(ValueError, match="wrong type"): instance.set_property("floatprop", "Blah") assert instance.get_property("boolprop") instance.set_property("boolprop", False) assert not instance.get_property("boolprop") with pytest.raises(ValueError, match="wrong type"): instance.set_property("boolprop", 0) structval = instance.get_property("structprop") assert isinstance(structval, native.PyStruct) assert structval.title == "builtin" assert structval.finished assert structval.dash_prop instance.set_property( "structprop", {"title": "new", "finished": False, "dash_prop": False} ) structval = instance.get_property("structprop") assert structval.title == "new" assert not structval.finished assert not structval.dash_prop imageval = instance.get_property("imageprop") assert imageval.width == 320 assert imageval.height == 480 assert "cat.jpg" in imageval.path.name with pytest.raises(RuntimeError, match="The image cannot be loaded"): Image.load_from_path("non-existent.png") instance.set_property( "imageprop", Image.load_from_path( os.path.join( os.path.dirname(__file__), "../../../examples/iot-dashboard/images/humidity.png", ) ), ) imageval = instance.get_property("imageprop") assert imageval.size == (36, 36) assert "humidity.png" in str(imageval.path) with pytest.raises( TypeError, match="'int' object cannot be converted to 'PyString'" ): instance.set_property("structprop", {42: "wrong"}) brushval = instance.get_property("brushprop") assert str(brushval.color) == "argb(255, 255, 0, 255)" instance.set_property("brushprop", Brush(Color("rgb(128, 128, 128)"))) brushval = instance.get_property("brushprop") assert str(brushval.color) == "argb(255, 128, 128, 128)" brushval = instance.get_property("colprop") assert str(brushval.color) == "argb(255, 0, 255, 0)" instance.set_property("colprop", Color("rgb(128, 128, 128)")) brushval = instance.get_property("colprop") assert str(brushval.color) == "argb(255, 128, 128, 128)" with pytest.raises(ValueError, match="no such property"): instance.set_global_property("nonexistent", "theglobalprop", 42) with pytest.raises(ValueError, match="no such property"): instance.set_global_property("TestGlobal", "nonexistent", 42) assert instance.get_global_property("TestGlobal", "theglobalprop") == "Hey" instance.set_global_property("TestGlobal", "theglobalprop", "Ok") assert instance.get_global_property("TestGlobal", "theglobalprop") == "Ok" def test_callbacks() -> None: compiler = native.Compiler() compdef = compiler.build_from_source( """ export global TestGlobal { callback globallogic(string) -> string; globallogic(value) => { return "global " + value; } } export component Test { callback test-callback(string) -> string; test-callback(value) => { return "local " + value; } callback void-callback(); } """, Path(""), ).component("Test") assert compdef is not None instance = compdef.create() assert instance is not None assert instance.invoke("test-callback", "foo") == "local foo" assert instance.invoke_global("TestGlobal", "globallogic", "foo") == "global foo" with pytest.raises(RuntimeError, match="no such callback"): instance.set_callback("non-existent", lambda x: x) instance.set_callback("test-callback", lambda x: "python " + x) assert instance.invoke("test-callback", "foo") == "python foo" with pytest.raises(RuntimeError, match="no such callback"): instance.set_global_callback("TestGlobal", "non-existent", lambda x: x) instance.set_global_callback( "TestGlobal", "globallogic", lambda x: "python global " + x ) assert ( instance.invoke_global("TestGlobal", "globallogic", "foo") == "python global foo" ) instance.set_callback("void-callback", lambda: None) instance.invoke("void-callback") if __name__ == "__main__": import slint module = slint.load_file(Path("../../demos/printerdemo/ui/printerdemo.slint")) instance = module.MainWindow() instance.PrinterQueue.start_job = lambda title: print(f"new print job {title}") instance.run()