Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.

admin_bar_links_menu in core/modules/admin_bar/admin_bar.inc
Build the administration bar as renderable menu links.
BackdropWebTestCase::handleForm in core/modules/simpletest/backdrop_web_test_case.php
Handle form input related to backdropPost(). Ensure that the specified fields exist and attempt to create POST data in the correct manner for the particular field type.
backdrop_add_tabledrag in core/includes/common.inc
Assists in adding the tableDrag JavaScript behavior to a themed table.
backdrop_common_theme in core/includes/common.inc
Provides theme registration for themes across .inc files.
backdrop_prepare_form in core/includes/form.inc
Prepares a structured form array.
block_custom_block_delete in core/modules/block/block.admin.inc
Form constructor for the custom block deletion form.
block_custom_block_translate in core/modules/block/block.admin.inc
Menu callback function for translating a single block.
CommentInterfaceTest::setEnvironment in core/modules/comment/tests/comment.test
Re-configures the environment, module settings, and user permissions.
comment_multiple_delete_confirm in core/modules/comment/comment.admin.inc
Form constructor for the confirmation form for bulk comment deletion.
CommonBackdropRenderTestCase::testBackdropRenderFormElements in core/modules/simpletest/tests/common.test
Test rendering form elements without passing through form_builder().
confirm_form in core/modules/system/system.module
Generates a form array for a confirmation form.
contact_category_edit_form in core/modules/contact/contact.admin.inc
Form constructor for the category edit form.
date_hidden_element in core/modules/date/date.elements.inc
Determines if the date element needs to be processed.
date_views_argument_handler::options_form in core/modules/date/views/date_views_argument_handler.inc
Add a form element to select date_fields for this argument.
element_get_visible_children in core/includes/common.inc
Returns the visible children of an element.
EnableDisableTestCase::testEnableDisable in core/modules/system/tests/system.test
Test that all core modules can be enabled, disabled and uninstalled.
FieldAttachOtherTestCase::testFieldAttachPrepareViewMultiple in core/modules/field/tests/field.test
Tests the 'multiple entity' behavior of field_attach_prepare_view().
FieldAttachOtherTestCase::testFieldAttachView in core/modules/field/tests/field.test
Test field_attach_view() and field_attach_prepare_view().
FieldBlock::form in core/modules/field/field.block.inc
Builds the block's configuration form.
FieldBlock::__construct in core/modules/field/field.block.inc
Create a new Block object.
FieldUIManageDisplayTestCase::testViewModeCustom in core/modules/field_ui/tests/field_ui.test
Tests switching display modes to use custom or 'default' settings'.
field_default_prepare_view in core/modules/field/field.default.inc
Invokes hook_field_formatter_prepare_view() on the relevant formatters.
field_default_view in core/modules/field/field.default.inc
Builds a renderable array for one field on one entity instance.
field_field_display_alter in core/modules/field/field.module
Implements hook_field_display_alter().
field_ui_display_form in core/modules/field_ui/field_ui.admin.inc
Form constructor for the field display settings for a given display mode.
field_ui_display_form in core/modules/field_ui/field_ui.admin.inc
Form constructor for the field display settings for a given display mode.
field_ui_display_overview_row_region in core/modules/field_ui/field_ui.admin.inc
Returns the region to which a row in the 'Manage displays' screen belongs.
field_ui_field_overview_form in core/modules/field_ui/field_ui.admin.inc
Form constructor for the 'Manage fields' form of a bundle.
FileFieldDisplayTestCase::testNodeDisplay in core/modules/file/tests/file.test
Tests normal formatter display on node display.
file_display_form in core/modules/file/file.admin.inc
Form callback; presents file display settings for a given view mode.
file_field_formatter_info in core/modules/file/file.field.inc
Implements hook_field_formatter_info().
file_field_formatter_settings_summary in core/modules/file/file.field.inc
Implements hook_field_formatter_settings_summary().
file_field_widget_process in core/modules/file/file.field.inc
Render API callback: Processes a file_generic field element.
file_field_widget_process_multiple in core/modules/file/file.field.inc
Render API callback: Processes a group of file_generic field elements.
file_file_formatter_info in core/modules/file/file.module
Implements hook_file_formatter_info().
file_managed_file_browser_form in core/modules/file/file.module
Form to submit a file selected in the file browser.
file_managed_file_process in core/modules/file/file.module
Render API callback: Expands the managed_file element type.
file_multiple_delete_confirm in core/modules/file/file.pages.inc
Multiple file deletion confirmation form.
file_type_form in core/modules/file/file.admin.inc
Form constructor for the file type settings form.
filter_process_format in core/modules/filter/filter.module
Expands an element into a base element with text format selector attached.
FormsTestCase::testDisabledMarkup in core/modules/simpletest/tests/form.test
Verify markup for disabled form elements.
form_process_vertical_tabs in core/includes/form.inc
Creates a group formatted as vertical tabs.
hook_field_display_alter in core/modules/field/field.api.php
Alters the display settings of a field before it gets displayed.
hook_field_display_ENTITY_TYPE_alter in core/modules/field/field.api.php
Alters the display settings of a field on a given entity type before it gets displayed.
hook_file_formatter_info in core/modules/file/file.api.php
Define file formatters.
hook_menu_link_alter in core/modules/system/system.api.php
Alter the data being saved to the {menu_links} table by menu_link_save().
image_effect_form in core/modules/image/image.admin.inc
Form builder; Form for adding and editing image effects.
image_field_widget_process in core/modules/image/image.field.inc
An element #process callback for the image_image field type.
install_profile_info in core/includes/install.inc
Retrieves information about an installation profile from its .info file.
install_select_profile_form in core/includes/install.core.inc
Form constructor for the profile selection form.
install_settings_form in core/includes/install.core.inc
Form constructor for a form to configure and rewrite settings.php.
install_tasks in core/includes/install.core.inc
Returns a list of all tasks the installer currently knows about.
layout_content_form in core/modules/layout/layout.admin.inc
Form callback; Main form for editing a layout's content.
layout_flexible_template_configure_form in core/modules/layout/layout.flexible.inc
Form to manage adding and removing rows to a flexible template.
layout_get_layout_template_info in core/modules/layout/layout.module
Load the information of either a single layout template or all available layout templates.
layout_layout_context_info in core/modules/layout/includes/layout.layout.inc
Implements hook_layout_context_info().
layout_settings_form in core/modules/layout/layout.admin.inc
Render the settings form for layout.
layout_settings_page in core/modules/layout/layout.admin.inc
Administrative form for layout settings.
menu.test in core/modules/simpletest/tests/menu.test
Provides SimpleTests for menu.inc.
MenuTestCase::disableMenuLink in core/modules/menu/tests/menu.test
Disable a menu link.
MenuTestCase::doMenuTests in core/modules/menu/tests/menu.test
Test menu functionality using main-menu menu.
MenuTestCase::enableMenuLink in core/modules/menu/tests/menu.test
Enable a menu link.
menu_edit_item in core/modules/menu/menu.admin.inc
Menu callback; Build the menu link editing form.
menu_edit_item_submit in core/modules/menu/menu.admin.inc
Process menu and menu item add/edit form submissions.
menu_form_node_form_alter in core/modules/menu/menu.module
Implements hook_form_BASE_FORM_ID_alter().
menu_link_save in core/includes/menu.inc
Saves a menu link.
menu_navigation_links in core/includes/menu.inc
Returns an array of links for a navigation menu.
menu_node_prepare in core/modules/menu/menu.module
Implements hook_node_prepare().
menu_overview_form_submit in core/modules/menu/menu.admin.inc
Submit handler for the menu overview form.
menu_tree_output in core/includes/menu.inc
Returns an output structure for rendering a menu tree.
module_test_system_info_alter in core/modules/simpletest/tests/module_test.module
Implements hook_system_info_alter().
NodeEntityViewModeAlterTest::testNodeViewModeChangeHiddenField in core/modules/node/tests/node.test
Tests fields that were previously hidden when the display mode is changed.
node_add_body_field in core/modules/node/node.module
Adds the default body field to a node type.
node_example_node_type_insert in modules/examples/node_example/node_example.module
Implements hook_node_type_insert().
node_field_display_node_alter in core/modules/node/node.module
Implements hook_field_display_ENTITY_TYPE_alter().
node_form in core/modules/node/node.pages.inc
Form constructor for the node add/edit form.
node_multiple_delete_confirm in core/modules/node/node.admin.inc
Multiple node deletion confirmation form.
PageComponents::form in core/modules/system/block.page_components.inc
Build the settings form for editing this block.
PageComponents::form in core/modules/system/block.page_components.inc
Build the settings form for editing this block.
PagePreviewTestCase::setUp in core/modules/node/tests/node.test
Sets up a Backdrop site for running functional and integration tests.
path_admin_form in core/modules/path/path.admin.inc
Form builder; Main URL alias pattern administration form.
redirect_list_form_operations_confirm_form in core/modules/redirect/redirect.admin.inc
Form callback; Confirm a bulk operation on a list of redirects.
simpletest_result_form in core/modules/simpletest/simpletest.pages.inc
Test results form for $test_id.
standard_install in core/profiles/standard/standard.install
Implements hook_install().
system_date_format_load in core/modules/system/system.module
Menu loader function for a date format.
system_date_format_save in core/modules/system/system.module
Saves a date format to the database.
system_date_time_formats in core/modules/system/system.admin.inc
Displays the date format strings overview page.
system_element_info in core/modules/system/system.module
Implements hook_element_info().
system_get_date_types in core/includes/drupal.inc
Alters Backdrop's list of defined date formats and attributes to return the expected date types and attributes for Drupal's system_get_date_types() function.
system_modules in core/modules/system/system.admin.inc
Menu callback; provides module enable/disable interface.
system_modules_uninstall_confirm_form in core/modules/system/system.admin.inc
Confirm uninstall of selected modules.
system_preprocess_page_components in core/modules/system/system.theme.inc
Prepares variables for Page Component block templates.
system_schema in core/modules/system/system.install
Implements hook_schema().
system_test_system_info_alter in core/modules/simpletest/tests/system_test.module
Implements hook_system_info_alter().
system_themes_page in core/modules/system/system.admin.inc
Menu callback; displays a listing of all themes.
system_theme_disable_confirm in core/modules/system/system.admin.inc
Theme disable confirmation form.
system_token_info in core/modules/system/system.tokens.inc
Implements hook_token_info().
system_update_1020 in core/modules/system/system.install
Convert date settings to config.
system_urls_settings in core/modules/system/system.admin.inc
Form builder; Configure clean URL settings.
tabledrag_example_parent_form in modules/examples/tabledrag_example/tabledrag_example_parent_form.inc
Build the parent-child example form.
taxonomy_overview_terms in core/modules/taxonomy/taxonomy.admin.inc
Form builder for the taxonomy terms overview.
template_preprocess_field in core/modules/field/field.theme.inc
Theme preprocess function for theme_field() and field.tpl.php.
template_preprocess_theming_example_text_form in modules/examples/theming_example/theming_example.module
Implements template_preprocess().
theme_date_text_parts in core/modules/date/date.theme.inc
Returns HTML for the text/select options for date parts in a table.
theme_email in core/includes/form.inc
Returns HTML for an email form element.
theme_menu_overview_form in core/modules/menu/menu.theme.inc
Returns HTML for the menu overview form into a table.
theme_search in core/includes/form.inc
Returns HTML for a search form element.
theme_tel in core/includes/form.inc
Returns HTML for a tel form element.
theme_test_system_info_alter in core/modules/simpletest/tests/theme_test.module
Implements hook_system_info_alter().
theme_textfield in core/includes/form.inc
Returns HTML for a textfield form element.
theme_url in core/includes/form.inc
Returns HTML for a URL form element.
UpdateTestContribCase::testHookUpdateStatusAlter in core/modules/update/tests/update.test
Check that hook_update_status_alter() works to change a status.
UpdateTestContribCase::testNoReleasesAvailable in core/modules/update/tests/update.test
Tests when there is no available release data for a contrib module.
UpdateTestContribCase::testUpdateAdminThemeSecurityUpdate in core/modules/update/tests/update.test
Tests that the admin theme is always notified about security updates.
UpdateTestContribCase::testUpdateBaseThemeSecurityUpdate in core/modules/update/tests/update.test
Tests that subthemes are notified about security updates for base themes.
UpdateTestContribCase::testUpdateBrokenFetchURL in core/modules/update/tests/update.test
Makes sure that if we fetch from a broken URL, sane things happen.
UpdateTestContribCase::testUpdateContribBasic in core/modules/update/tests/update.test
Tests the basic functionality of a contrib module on the status report.
UpdateTestContribCase::testUpdateContribOrder in core/modules/update/tests/update.test
Tests that contrib projects are ordered by project name.
UpdateTestContribCase::testUpdateShowDisabledThemes in core/modules/update/tests/update.test
Tests that disabled themes are only shown when desired.
update_script_selection_form in core/update.php
Form constructor for the list of available database module updates.
user_translated_menu_link_alter in core/modules/user/user.module
Implements hook_translated_menu_link_alter().
views_exposed_form in core/modules/views/views.module
Form builder for the exposed widgets form.
views_handler_field_field::set_items in core/modules/field/views/views_handler_field_field.inc
Return an array of items for the field.
views_handler_field_node_comment::render in core/modules/comment/views/views_handler_field_node_comment.inc
Render the field.
views_handler_filter::build_group_form in core/modules/views/handlers/views_handler_filter.inc
Build the form to let users create the group of exposed filters. This form is displayed when users click on button 'Build group'
views_handler_filter_node_comment::get_value_options in core/modules/comment/views/views_handler_filter_node_comment.inc
Child classes should be used to override this function and set the 'value options', unless 'options callback' is defined as a valid function or static public method to generate these values.
views_plugin_display::options_form in core/modules/views/plugins/views_plugin_display.inc
Provide the default form for setting options.
views_ui_rearrange_form in core/modules/views_ui/views_ui.admin.inc
Form to rearrange items in the views UI.
views_ui_reorder_displays_form in core/modules/views_ui/views_ui.admin.inc
Form constructor callback to reorder displays on a view
_book_admin_table in core/modules/book/book.admin.inc
Builds the table portion of the form for the book administration page.
_book_admin_table_tree in core/modules/book/book.admin.inc
Helps build the main table in the book administration page form.
_book_flatten_menu in core/modules/book/book.module
Recursively converts a tree of menu links to a flat array.
_book_parent_select in core/modules/book/book.module
Builds the parent selection form element for the node form or outline tab.
_comment_body_field_create in core/modules/comment/comment.module
Creates a comment_body field instance for a given node type.
_date_field_instance_settings_form in core/modules/date/date.admin.inc
Helper function for date_field_instance_settings_form().
_date_field_settings_form in core/modules/date/date.admin.inc
Helper function for date_field_settings_form().
_date_field_widget_settings_form in core/modules/date/date.admin.inc
Helper function for date_field_widget_settings_form().
_date_field_widget_settings_form in core/modules/date/date.admin.inc
Helper function for date_field_widget_settings_form().
_field_info_prepare_instance in core/modules/field/field.info.inc
Prepares an instance definition for the current run-time context.
_field_info_prepare_instance_display in core/modules/field/field.info.inc
Adapts display specifications to the current run-time context.
_field_write_instance in core/modules/field/field.crud.inc
Stores an instance record in the field configuration database.
_form_options_expand in core/modules/field/modules/options/options.element.inc
Logic function for form_options_expand(). Do not call directly.
_form_test_disabled_elements in core/modules/simpletest/tests/form_test.module
Build a form to test disabled elements.
_install_configure_form in core/includes/install.core.inc
Form constructor for a site configuration form.
_install_select_profile in core/includes/install.core.inc
Selects an installation profile from a list or from a $_POST submission.
_menu_link_build in core/includes/menu.inc
Builds a link from a router item.
_menu_overview_tree_form in core/modules/menu/menu.admin.inc
Recursive helper function for menu_overview_form().
_menu_parents_recurse in core/modules/menu/menu.module
Recursive helper function for menu_parent_options().
_menu_update_parental_status in core/includes/menu.inc
Checks and updates the 'has_children' status for the parent of a link.
_node_example_installed_instances in modules/examples/node_example/node_example.module
Define the field instances for our content type.
_system_rebuild_module_data in core/modules/system/system.module
Helper function to scan and collect module .info data.
_update_process_info_list in core/modules/update/update.compare.inc
Populates an array of project data.