Add support for Adw.AlertDialog

NEWS.md

@@ -1,3 +1,7 @@
+# v0.11.0
+
+- Added support for [Adw.AlertDialog](https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/class.AlertDialog.html#adwalertdialog-as-gtkbuildable) custom syntax.
+
 # v0.10.0
 
 ## Added

blueprintcompiler/gir.py

@@ -79,7 +79,12 @@ def get_available_namespaces() -> T.List[T.Tuple[str, str]]:
     ]
 
     for search_path in search_paths:
-        for filename in os.listdir(search_path):
+        try:
+            filenames = os.listdir(search_path)
+        except FileNotFoundError:
+            continue
+
+        for filename in filenames:
             if filename.endswith(".typelib"):
                 namespace, version = filename.removesuffix(".typelib").rsplit("-", 1)
                 _available_namespaces.append((namespace, version))

blueprintcompiler/language/__init__.py

@@ -3,7 +3,7 @@ from .adw_breakpoint import (
     AdwBreakpointSetter,
     AdwBreakpointSetters,
 )
-from .adw_message_dialog import ExtAdwMessageDialog
+from .adw_response_dialog import ExtAdwResponseDialog
 from .attributes import BaseAttribute
 from .binding import Binding
 from .common import *
@@ -60,7 +60,7 @@ OBJECT_CONTENT_HOOKS.children = [
     AdwBreakpointCondition,
     AdwBreakpointSetters,
     ExtAccessibility,
-    ExtAdwMessageDialog,
+    ExtAdwResponseDialog,
     ExtComboBoxItems,
     ext_file_filter_mime_types,
     ext_file_filter_patterns,

blueprintcompiler/language/adw_response_dialog.py

@@ -1,4 +1,4 @@
-# adw_message_dialog.py
+# adw_response_dialog.py
 #
 # Copyright 2023 James Westman <james@jwestman.net>
 #
@@ -25,7 +25,7 @@ from .gobject_object import ObjectContent, validate_parent_type
 from .values import StringValue
 
 
-class ExtAdwMessageDialogFlag(AstNode):
+class ExtAdwResponseDialogFlag(AstNode):
     grammar = AnyOf(
         UseExact("flag", "destructive"),
         UseExact("flag", "suggested"),
@@ -51,12 +51,12 @@ class ExtAdwMessageDialogFlag(AstNode):
             )
 
 
-class ExtAdwMessageDialogResponse(AstNode):
+class ExtAdwResponseDialogResponse(AstNode):
     grammar = [
         UseIdent("id"),
         Match(":").expected(),
         to_parse_node(StringValue).expected("a string or translatable string"),
-        ZeroOrMore(ExtAdwMessageDialogFlag),
+        ZeroOrMore(ExtAdwResponseDialogFlag),
     ]
 
     @property
@@ -64,8 +64,8 @@ class ExtAdwMessageDialogResponse(AstNode):
         return self.tokens["id"]
 
     @property
-    def flags(self) -> T.List[ExtAdwMessageDialogFlag]:
-        return self.children[ExtAdwMessageDialogFlag]
+    def flags(self) -> T.List[ExtAdwResponseDialogFlag]:
+        return self.children[ExtAdwResponseDialogFlag]
 
     @property
     def appearance(self) -> T.Optional[str]:
@@ -106,16 +106,16 @@ class ExtAdwMessageDialogResponse(AstNode):
         )
 
 
-class ExtAdwMessageDialog(AstNode):
+class ExtAdwResponseDialog(AstNode):
     grammar = [
         Keyword("responses"),
         Match("[").expected(),
-        Delimited(ExtAdwMessageDialogResponse, ","),
+        Delimited(ExtAdwResponseDialogResponse, ","),
         "]",
     ]
 
     @property
-    def responses(self) -> T.List[ExtAdwMessageDialogResponse]:
+    def responses(self) -> T.List[ExtAdwResponseDialogResponse]:
         return self.children
 
     @property
@@ -128,8 +128,11 @@ class ExtAdwMessageDialog(AstNode):
         )
 
     @validate("responses")
-    def container_is_message_dialog(self):
-        validate_parent_type(self, "Adw", "MessageDialog", "responses")
+    def container_is_message_dialog_or_alert_dialog(self):
+        try:
+            validate_parent_type(self, "Adw", "MessageDialog", "responses")
+        except:
+            validate_parent_type(self, "Adw", "AlertDialog", "responses")
 
     @validate("responses")
     def unique_in_parent(self):
@@ -141,7 +144,18 @@ class ExtAdwMessageDialog(AstNode):
     applies_in_subclass=("Adw", "MessageDialog"),
     matches=new_statement_patterns,
 )
-def style_completer(lsp, ast_node, match_variables):
+def complete_adw_message_dialog(lsp, ast_node, match_variables):
+    yield Completion(
+        "responses", CompletionItemKind.Keyword, snippet="responses [\n\t$0\n]"
+    )
+
+
+@completer(
+    applies_in=[ObjectContent],
+    applies_in_subclass=("Adw", "AlertDialog"),
+    matches=new_statement_patterns,
+)
+def complete_adw_alert_dialog(lsp, ast_node, match_variables):
     yield Completion(
         "responses", CompletionItemKind.Keyword, snippet="responses [\n\t$0\n]"
     )

blueprintcompiler/outputs/xml/__init__.py

@@ -337,7 +337,7 @@ class XmlOutput(OutputFormat):
                 self._emit_attribute("property", "name", prop.name, prop.value, xml)
             xml.end_tag()
 
-        elif isinstance(extension, ExtAdwMessageDialog):
+        elif isinstance(extension, ExtAdwResponseDialog):
             xml.start_tag("responses")
             for response in extension.responses:
                 xml.start_tag(

docs/reference/extensions.rst

@@ -15,7 +15,7 @@ Properties are the main way to set values on objects, but they are limited by th
 .. rst-class:: grammar-block
 
    Extension = :ref:`ExtAccessibility<Syntax ExtAccessibility>`
-   | :ref:`ExtAdwMessageDialog<Syntax ExtAdwMessageDialog>`
+   | :ref:`ExtAdwResponseDialog<Syntax ExtAdwResponseDialog>`
    | :ref:`ExtAdwBreakpoint<Syntax ExtAdwBreakpoint>`
    | :ref:`ExtComboBoxItems<Syntax ExtComboBoxItems>`
    | :ref:`ExtFileFilterMimeTypes<Syntax ExtFileFilter>`
@@ -63,16 +63,16 @@ Defines the condition for a breakpoint and the properties that will be set at th
    The `Adw.Breakpoint:condition <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/property.Breakpoint.condition.html>`_ property has type `Adw.BreakpointCondition <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/struct.BreakpointCondition.html>`_, which GtkBuilder doesn't know how to parse from a string. Therefore, the ``condition`` syntax is used instead.
 
 
-.. _Syntax ExtAdwMessageDialog:
+.. _Syntax ExtAdwResponseDialog:
 
 Adw.MessageDialog Responses
 ----------------------------
 
 .. rst-class:: grammar-block
 
-   ExtAdwMessageDialog = 'responses' '[' (ExtAdwMessageDialogResponse),* ']'
-   ExtAdwMessageDialogResponse = <id::ref:`IDENT<Syntax IDENT>`> ':' :ref:`StringValue<Syntax StringValue>` ExtAdwMessageDialogFlag*
-   ExtAdwMessageDialogFlag = 'destructive' | 'suggested' | 'disabled'
+   ExtAdwResponseDialog = 'responses' '[' (ExtAdwResponseDialogResponse),* ']'
+   ExtAdwResponseDialogResponse = <id::ref:`IDENT<Syntax IDENT>`> ':' :ref:`StringValue<Syntax StringValue>` ExtAdwResponseDialogFlag*
+   ExtAdwResponseDialogFlag = 'destructive' | 'suggested' | 'disabled'
 
 Valid in `Adw.MessageDialog <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1-latest/class.MessageDialog.html>`_.
 
@@ -92,6 +92,33 @@ The ``responses`` block defines the buttons that will be added to the dialog. Th
    }
 
 
+Adw.AlertDialog Responses
+----------------------------
+
+.. rst-class:: grammar-block
+
+   ExtAdwAlertDialog = 'responses' '[' (ExtAdwAlertDialogResponse),* ']'
+   ExtAdwAlertDialogResponse = <id::ref:`IDENT<Syntax IDENT>`> ':' :ref:`StringValue<Syntax StringValue>` ExtAdwAlertDialogFlag*
+   ExtAdwAlertDialogFlag = 'destructive' | 'suggested' | 'disabled'
+
+Valid in `Adw.AlertDialog <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1-latest/class.AlertDialog.html>`_.
+
+The ``responses`` block defines the buttons that will be added to the dialog. The ``destructive`` or ``suggested`` flag sets the appearance of the button, and the ``disabled`` flag can be used to disable the button.
+
+.. code-block:: blueprint
+
+   using Adw 1;
+
+   Adw.AlertDialog {
+     responses [
+       cancel: _("Cancel"),
+       delete: _("Delete") destructive,
+       save: "Save" suggested,
+       wipeHardDrive: "Wipe Hard Drive" destructive disabled,
+     ]
+   }
+
+
 .. _Syntax ExtComboBoxItems:
 
 Gtk.ComboBoxText Items

tests/sample_errors/adw_alert_dialog_duplicate_flags.blp

@@ -0,0 +1,9 @@
+using Gtk 4.0;
+using Adw 1;
+
+Adw.AlertDialog {
+  responses [
+    cancel: _("Cancel") disabled disabled,
+    ok: _("Ok") destructive suggested,
+  ]
+}

tests/sample_errors/adw_alert_dialog_duplicate_flags.err

@@ -0,0 +1,2 @@
+6,34,8,Duplicate 'disabled' flag
+7,29,9,'suggested' and 'destructive' are exclusive

tests/samples/adw_alertdialog_responses.blp

@@ -0,0 +1,10 @@
+using Gtk 4.0;
+using Adw 1;
+
+Adw.AlertDialog {
+  responses [
+    cancel: _('Cancel'),
+    discard: _('Discard') destructive,
+    save: 'Save' suggested disabled,
+  ]
+}

tests/samples/adw_alertdialog_responses.ui

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+DO NOT EDIT!
+This file was @generated by blueprint-compiler. Instead, edit the
+corresponding .blp file and regenerate this file with blueprint-compiler.
+-->
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <object class="AdwAlertDialog">
+    <responses>
+      <response id="cancel" translatable="true">Cancel</response>
+      <response id="discard" translatable="true" appearance="destructive">Discard</response>
+      <response id="save" enabled="false" appearance="suggested">Save</response>
+    </responses>
+  </object>
+</interface>

tests/test_samples.py

@@ -44,6 +44,23 @@ class TestSamples(unittest.TestCase):
         super().__init__(*args, **kwargs)
         self.maxDiff = None
 
+        self.have_adw_1_4 = False
+        self.have_adw_1_5 = False
+
+        try:
+            import gi
+
+            gi.require_version("Adw", "1")
+            from gi.repository import Adw
+
+            Adw.init()
+            if Adw.MINOR_VERSION >= 4:
+                self.have_adw_1_4 = True
+            if Adw.MINOR_VERSION >= 5:
+                self.have_adw_1_5 = True
+        except:
+            pass
+
     def assert_ast_doesnt_crash(self, text, tokens, ast):
         for i in range(len(text)):
             ast.get_docs(i)
@@ -147,22 +164,6 @@ class TestSamples(unittest.TestCase):
             raise AssertionError()
 
     def test_samples(self):
-        have_adw = False
-        have_adw_1_4 = False
-
-        try:
-            import gi
-
-            gi.require_version("Adw", "1")
-            from gi.repository import Adw
-
-            have_adw = True
-            Adw.init()
-            if Adw.MINOR_VERSION >= 4:
-                have_adw_1_4 = True
-        except:
-            pass
-
         # list the samples directory
         samples = [
             f.stem
@@ -172,6 +173,7 @@ class TestSamples(unittest.TestCase):
         samples.sort()
         for sample in samples:
             REQUIRE_ADW_1_4 = ["adw_breakpoint"]
+            REQUIRE_ADW_1_5 = ["adw_alertdialog_responses"]
 
             SKIP_RUN = [
                 "expr_closure",
@@ -189,7 +191,9 @@ class TestSamples(unittest.TestCase):
                 "unchecked_class",
             ]
 
-            if sample in REQUIRE_ADW_1_4 and not have_adw_1_4:
+            if sample in REQUIRE_ADW_1_4 and not self.have_adw_1_4:
+                continue
+            if sample in REQUIRE_ADW_1_5 and not self.have_adw_1_5:
                 continue
 
             with self.subTest(sample):
@@ -202,8 +206,11 @@ class TestSamples(unittest.TestCase):
         sample_errors.sort()
         for sample_error in sample_errors:
             REQUIRE_ADW_1_4 = ["adw_breakpoint"]
+            REQUIRE_ADW_1_5 = ["adw_alert_dialog_duplicate_flags"]
 
-            if sample_error in REQUIRE_ADW_1_4 and not have_adw_1_4:
+            if sample_error in REQUIRE_ADW_1_4 and not self.have_adw_1_4:
+                continue
+            if sample_error in REQUIRE_ADW_1_5 and not self.have_adw_1_5:
                 continue
 
             with self.subTest(sample_error):
@@ -211,6 +218,9 @@ class TestSamples(unittest.TestCase):
 
     def test_decompiler(self):
         self.assert_decompile("accessibility_dec")
+        if self.have_adw_1_5:
+            self.assert_decompile("adw_alertdialog_responses")
+        self.assert_decompile("adw_messagedialog_responses")
         self.assert_decompile("child_type")
         self.assert_decompile("file_filter")
         self.assert_decompile("flags")
@@ -220,7 +230,6 @@ class TestSamples(unittest.TestCase):
         self.assert_decompile("property")
         self.assert_decompile("property_binding_dec")
         self.assert_decompile("placeholder_dec")
-        self.assert_decompile("responses")
         self.assert_decompile("scale_marks")
         self.assert_decompile("signal")
         self.assert_decompile("strings_dec")