PR: Improve style of the Preferences dialog (UI)

binder/environment.yml

@@ -47,6 +47,7 @@ dependencies:
 - setuptools >=49.6.0
 - sphinx >=0.6.6
 - spyder-kernels >=3.0.0b2,<3.0.0b3
+- superqt >=0.6.1,<1.0.0
 - textdistance >=4.2.0
 - three-merge >=0.1.1
 - watchdog >=0.10.3

requirements/main.yml

@@ -43,6 +43,7 @@ dependencies:
   - setuptools >=49.6.0
   - sphinx >=0.6.6
   - spyder-kernels >=3.0.0b2,<3.0.0b3
+  - superqt >=0.6.1,<1.0.0
   - textdistance >=4.2.0
   - three-merge >=0.1.1
   - watchdog >=0.10.3

setup.py

@@ -244,6 +244,7 @@ def run(self):
     'setuptools>=49.6.0',
     'sphinx>=0.6.6',
     'spyder-kernels>=3.0.0b2,<3.0.0b3',
+    'superqt>=0.6.1,<1.0.0',
     'textdistance>=4.2.0',
     'three-merge>=0.1.1',
     'watchdog>=0.10.3'

spyder/api/preferences.py

@@ -16,7 +16,10 @@
 from spyder.config.manager import CONF
 from spyder.config.types import ConfigurationKey
 from spyder.api.utils import PrefixedTuple
-from spyder.plugins.preferences.api import SpyderConfigPage, BaseConfigTab
+from spyder.plugins.preferences.widgets.config_widgets import (
+    SpyderConfigPage,
+    BaseConfigTab
+)
 
 
 OptionSet = Set[ConfigurationKey]
@@ -65,6 +68,11 @@ def __getattr__(self, attr):
         else:
             return super().__getattr__(attr)
 
+    def setLayout(self, layout):
+        """Remove default margins by default."""
+        layout.setContentsMargins(0, 0, 0, 0)
+        super().setLayout(layout)
+
 
 class PluginConfigPage(SpyderConfigPage):
     """

spyder/app/mainwindow.py

@@ -228,7 +228,6 @@ def signal_handler(signum, frame=None):
         self.thirdparty_plugins = []
 
         # Preferences
-        self.prefs_dialog_size = None
         self.prefs_dialog_instance = None
 
         # Actions
@@ -1310,11 +1309,7 @@ def apply_panes_settings(self):
     @Slot()
     def show_preferences(self):
         """Edit Spyder preferences."""
-        self.preferences.open_dialog(self.prefs_dialog_size)
-
-    def set_prefs_size(self, size):
-        """Save preferences dialog size."""
-        self.prefs_dialog_size = size
+        self.preferences.open_dialog()
 
     # ---- Open files server
     # -------------------------------------------------------------------------

spyder/app/tests/conftest.py

@@ -224,14 +224,14 @@ def preferences_dialog_helper(qtbot, main_window, section):
     shell = main_window.ipyconsole.get_current_shellwidget()
     qtbot.waitUntil(
         lambda: shell.spyder_kernel_ready and shell._prompt_html is not None,
-        timeout=SHELL_TIMEOUT)
+        timeout=SHELL_TIMEOUT
+    )
 
     main_window.show_preferences()
     preferences = main_window.preferences
     container = preferences.get_container()
 
-    qtbot.waitUntil(lambda: container.dialog is not None,
-                    timeout=5000)
+    qtbot.waitUntil(lambda: container.dialog is not None, timeout=5000)
     dlg = container.dialog
     index = dlg.get_index_by_name(section)
     page = dlg.get_page(index)

spyder/config/main.py

@@ -74,7 +74,6 @@
               'window/position': (10, 10),
               'window/is_maximized': True,
               'window/is_fullscreen': False,
-              'window/prefs_dialog_size': (1050, 530),
               'use_custom_margin': True,
               'custom_margin': 0,
               'use_custom_cursor_blinking': False,
@@ -292,6 +291,13 @@
               'follow_cursor': True,
               'display_variables': False
               }),
+            ('preferences',
+             {
+              'enable': True,
+              'dialog_size': (
+                  (1010, 725) if MAC else ((900, 670) if WIN else (950, 690))
+              ),
+              }),
             ('project_explorer',
              {
               'name_filters': NAME_FILTERS,
@@ -567,7 +573,6 @@
             'current_version',
             'historylog_filename',
             'window/position',
-            'window/prefs_dialog_size',
             'window/size',
             'window/state',
             ]
@@ -611,6 +616,10 @@
             'scrollbar_position',
             ],
          ),
+        ('preferences', [
+            'dialog_size',
+            ],
+         ),
         ('project_explorer', [
             'current_project_path',
             'expanded_state',
@@ -653,4 +662,4 @@
 #    or if you want to *rename* options, then you need to do a MAJOR update in
 #    version, e.g. from 3.0.0 to 4.0.0
 # 3. You don't need to touch this value if you're just adding a new option
-CONF_VERSION = '79.0.0'
+CONF_VERSION = '80.0.0'

spyder/dependencies.py

@@ -71,11 +71,11 @@
 SETUPTOOLS_REQVER = '>=49.6.0'
 SPHINX_REQVER = '>=0.6.6'
 SPYDER_KERNELS_REQVER = '>=3.0.0b2,<3.0.0b3'
+SUPERQT_REQVER = '>=0.6.1,<1.0.0'
 TEXTDISTANCE_REQVER = '>=4.2.0'
 THREE_MERGE_REQVER = '>=0.1.1'
 WATCHDOG_REQVER = '>=0.10.3'
 
-
 # Optional dependencies
 CYTHON_REQVER = '>=0.21'
 MATPLOTLIB_REQVER = '>=3.0.0'
@@ -234,11 +234,11 @@
      'required_version': QTPY_REQVER},
     {'modname': "rtree",
      'package_name': "rtree",
-     'features': _("Fast access to code snippets regions"),
+     'features': _("Fast access to code snippet regions"),
      'required_version': RTREE_REQVER},
     {'modname': "setuptools",
      'package_name': "setuptools",
-     'features': _("Determine package version"),
+     'features': _("Determine package versions"),
      'required_version': SETUPTOOLS_REQVER},
     {'modname': "sphinx",
      'package_name': "sphinx",
@@ -248,6 +248,10 @@
      'package_name': "spyder-kernels",
      'features': _("Jupyter kernels for the Spyder console"),
      'required_version': SPYDER_KERNELS_REQVER},
+     {'modname': "superqt",
+     'package_name': "superqt",
+     'features': _("Special widgets and utilities for PyQt applications"),
+     'required_version': SUPERQT_REQVER},
     {'modname': 'textdistance',
      'package_name': "textdistance",
      'features': _('Compute distances between strings'),

spyder/plugins/appearance/confpage.py

@@ -20,6 +20,7 @@
 from spyder.plugins.appearance.widgets import SchemeEditor
 from spyder.utils import syntaxhighlighters
 from spyder.utils.palette import QStylePalette
+from spyder.utils.stylesheet import AppStyle
 from spyder.widgets.simplecodeeditor import SimpleCodeEditor
 
 
@@ -77,6 +78,7 @@ def setup_page(self):
         self.reset_button = QPushButton(_("Reset to defaults"))
 
         self.preview_editor = SimpleCodeEditor(self)
+        self.preview_editor.setMinimumWidth(210)
         self.stacked_widget = QStackedWidget(self)
         self.scheme_editor_dialog = SchemeEditor(parent=self,
                                                  stack=self.stacked_widget)
@@ -132,12 +134,10 @@ def setup_page(self):
         fonts_grid_layout = QGridLayout()
         fonts_grid_layout.addWidget(self.plain_text_font.fontlabel, 0, 0)
         fonts_grid_layout.addWidget(self.plain_text_font.fontbox, 0, 1)
-        fonts_grid_layout.addWidget(self.plain_text_font.sizelabel, 0, 2)
-        fonts_grid_layout.addWidget(self.plain_text_font.sizebox, 0, 3)
+        fonts_grid_layout.addWidget(self.plain_text_font.sizebox, 0, 2)
         fonts_grid_layout.addWidget(self.app_font.fontlabel, 2, 0)
         fonts_grid_layout.addWidget(self.app_font.fontbox, 2, 1)
-        fonts_grid_layout.addWidget(self.app_font.sizelabel, 2, 2)
-        fonts_grid_layout.addWidget(self.app_font.sizebox, 2, 3)
+        fonts_grid_layout.addWidget(self.app_font.sizebox, 2, 2)
         fonts_grid_layout.setRowStretch(fonts_grid_layout.rowCount(), 1)
 
         fonts_layout = QVBoxLayout()
@@ -161,8 +161,7 @@ def setup_page(self):
 
         # Combined layout
         combined_layout = QGridLayout()
-        combined_layout.setRowStretch(0, 1)
-        combined_layout.setColumnStretch(1, 100)
+        combined_layout.setHorizontalSpacing(AppStyle.MarginSize * 5)
         combined_layout.addLayout(options_layout, 0, 0)
         combined_layout.addWidget(preview_group, 0, 1)
 
@@ -349,7 +348,7 @@ def update_preview(self, index=None, scheme_name=None):
 
     def update_app_font_group(self, state):
         """Update app font group enabled state."""
-        subwidgets = ['fontlabel', 'sizelabel', 'fontbox', 'sizebox']
+        subwidgets = ['fontlabel', 'fontbox', 'sizebox']
 
         if state:
             for widget in subwidgets:

spyder/plugins/appearance/tests/test_confpage.py

@@ -12,7 +12,7 @@
 # Local imports
 from spyder.config.manager import CONF
 from spyder.plugins.appearance.plugin import Appearance
-from spyder.plugins.preferences.api import SpyderConfigPage
+from spyder.plugins.preferences.widgets.config_widgets import SpyderConfigPage
 from spyder.plugins.preferences.tests.conftest import (
     config_dialog, MainWindowMock)
 

spyder/plugins/application/confpage.py

@@ -18,8 +18,8 @@
 from qtpy.compat import from_qvariant
 from qtpy.QtCore import Qt
 from qtpy.QtWidgets import (QApplication, QButtonGroup, QGridLayout, QGroupBox,
-                            QHBoxLayout, QLabel, QMessageBox, QTabWidget,
-                            QVBoxLayout, QWidget)
+                            QHBoxLayout, QLabel, QMessageBox, QVBoxLayout,
+                            QWidget)
 
 from spyder.config.base import (_, DISABLED_LANGUAGES, LANGUAGE_CODES,
                                 is_conda_based_app, save_lang_conf)
@@ -236,21 +236,19 @@ def set_open_file(state):
 
         screen_resolution_layout.addLayout(screen_resolution_inner_layout)
         screen_resolution_group.setLayout(screen_resolution_layout)
+
         if sys.platform == "darwin" and not is_conda_based_app():
-            interface_tab = self.create_tab(screen_resolution_group,
-                                            interface_group, macOS_group)
+            self.create_tab(
+                _("Interface"),
+                [screen_resolution_group, interface_group, macOS_group]
+            )
         else:
-            interface_tab = self.create_tab(screen_resolution_group,
-                                            interface_group)
-
-        self.tabs = QTabWidget()
-        self.tabs.addTab(interface_tab, _("Interface"))
-        self.tabs.addTab(self.create_tab(advanced_widget),
-                         _("Advanced settings"))
+            self.create_tab(
+                _("Interface"),
+                [screen_resolution_group, interface_group]
+            )
 
-        vlayout = QVBoxLayout()
-        vlayout.addWidget(self.tabs)
-        self.setLayout(vlayout)
+        self.create_tab(_("Advanced settings"), advanced_widget)
 
     def apply_settings(self, options):
         if 'high_dpi_custom_scale_factors' in options:

spyder/plugins/completion/confpage.py

@@ -87,6 +87,7 @@ def disable_completion_after_characters(state):
             disable_completion_after_characters)
 
         layout = QVBoxLayout()
+        layout.setContentsMargins(0, 0, 0, 0)
         layout.addWidget(self.completions_group)
         layout.addWidget(self.providers_group)
         layout.addStretch(1)

spyder/plugins/completion/providers/languageserver/conftabs/otherlanguages.py

@@ -73,10 +73,10 @@ def __init__(self, parent):
 
         # Combined layout
         servers_layout = QVBoxLayout()
-        servers_layout.addSpacing(-10)
         servers_layout.addWidget(servers_label)
+        servers_layout.addSpacing(9)
         servers_layout.addWidget(table_group)
-        servers_layout.addSpacing(10)
+        servers_layout.addSpacing(9)
         servers_layout.addLayout(buttons_layout)
 
         self.setLayout(servers_layout)

spyder/plugins/completion/providers/snippets/conftabs.py

@@ -14,10 +14,9 @@
 
 # Third party imports
 from qtpy.compat import getsavefilename, getopenfilename
-from qtpy.QtCore import Qt, Slot
+from qtpy.QtCore import Qt
 from qtpy.QtWidgets import (QComboBox, QGroupBox, QGridLayout, QLabel,
-                            QMessageBox, QPushButton, QTabWidget, QVBoxLayout,
-                            QWidget, QFileDialog)
+                            QMessageBox, QPushButton, QVBoxLayout, QFileDialog)
 
 # Local imports
 from spyder.config.base import _
@@ -57,6 +56,7 @@ def __init__(self, parent):
             self.change_language_snippets)
 
         snippet_lang_group = QGroupBox(_('Language'))
+        snippet_lang_group.setStyleSheet('margin-bottom: 3px')
         snippet_lang_layout = QVBoxLayout()
         snippet_lang_layout.addWidget(self.snippets_language_cb)
         snippet_lang_group.setLayout(snippet_lang_layout)
@@ -103,6 +103,7 @@ def __init__(self, parent):
         # Snippets layout
         snippets_layout = QVBoxLayout()
         snippets_layout.addWidget(snippets_info_label)
+        snippets_layout.addSpacing(9)
         snippets_layout.addWidget(snippet_lang_group)
         snippets_layout.addWidget(snippet_table_group)
         snippets_layout.addLayout(sn_buttons_layout)

spyder/plugins/completion/tests/conftest.py

@@ -61,9 +61,6 @@ def get_plugin(self, plugin_name, error=True):
         if plugin_name in PLUGIN_REGISTRY:
             return PLUGIN_REGISTRY.get_plugin(plugin_name)
 
-    def set_prefs_size(self, size):
-        pass
-
 
 @pytest.fixture(scope="module")
 def qtbot_module(qapp, request):