Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

admin_bar_theme in core/modules/admin_bar/admin_bar.module
Implements hook_theme().
ajax_base_page_theme in core/includes/ajax.inc
Theme callback: Returns the correct theme for an Ajax request.
backdrop_common_theme in core/includes/common.inc
Provides theme registration for themes across .inc files.
backdrop_maintenance_theme in core/includes/bootstrap.inc
Enables use of the theme system without requiring database access.
book_theme in core/modules/book/book.module
Implements hook_theme().
ckeditor_theme in core/modules/ckeditor/ckeditor.module
Implements hook_theme().
color_custom_theme in core/modules/color/color.module
Implements hook_custom_theme().
color_theme in core/modules/color/color.module
Implements hook_theme().
comment_theme in core/modules/comment/comment.module
Implements hook_theme().
common_test_theme in core/modules/simpletest/tests/common_test.module
Implements hook_theme().
contact_theme in core/modules/contact/contact.module
Implements hook_theme().
contextual_links_example_theme in modules/examples/contextual_links_example/contextual_links_example.module
Implements hook_theme().
dashboard_theme in core/modules/dashboard/dashboard.module
Implements hook_theme().
date_theme in core/modules/date/date.module
Implements hook_theme().
drupal_common_theme in core/includes/drupal.inc
Provides theme registration for themes across .inc files.
drupal_maintenance_theme in core/includes/drupal.inc
Enables use of the theme system without requiring database access.
entity_theme in core/modules/entity/entity.module
Implements hook_theme().
field_theme in core/modules/field/field.module
Implements hook_theme().
field_ui_theme in core/modules/field_ui/field_ui.module
Implements hook_theme().
file_theme in core/modules/file/file.module
Implements hook_theme().
filter_theme in core/modules/filter/filter.module
Implements hook_theme().
form_example_theme in modules/examples/form_example/form_example.module
Implements hook_theme().
image_example_theme in modules/examples/image_example/image_example.module
Implements hook_theme().
image_theme in core/modules/image/image.module
Implements hook_theme().
installer_theme in core/modules/installer/installer.module
Implements hook_theme().
js_example_theme in modules/examples/js_example/js_example.module
Implements hook_theme().
language_theme in core/modules/language/language.module
Implements hook_theme().
layout_theme in core/modules/layout/layout.module
Implements hook_theme()
link_theme in core/modules/link/link.module
Implements hook_theme().
locale_theme in core/modules/locale/locale.module
Implements hook_theme().
menu_get_custom_theme in core/includes/menu.inc
Gets the custom theme for the current page, if there is one.
menu_set_custom_theme in core/includes/menu.inc
Sets a custom theme for the current page, if there is one.
menu_test_custom_theme in core/modules/simpletest/tests/menu_test.module
Implement hook_custom_theme().
menu_theme in core/modules/menu/menu.module
Implements hook_theme().
nodeapi_example_theme in modules/examples/nodeapi_example/nodeapi_example.module
Implements hook_theme().
node_example_theme in modules/examples/node_example/node_example.module
Implements hook_theme().
node_theme in core/modules/node/node.module
Implements hook_theme().
options_theme in core/modules/field/modules/options/options.module
Implements hook_theme().
path_theme in core/modules/path/path.module
Implements hook_theme().
path_to_theme in core/includes/theme.inc
Returns the path to the current themed element.
phptemplate_theme in core/themes/engines/phptemplate/phptemplate.engine
Implements hook_theme().
queue_example_theme in modules/examples/queue_example/queue_example.module
Implements hook_theme().
render_example_theme in modules/examples/render_example/render_example.module
Implements hook_theme().
search_theme in core/modules/search/search.module
Implements hook_theme().
simpletest_theme in core/modules/simpletest/simpletest.module
Implements hook_theme().
system_custom_theme in core/modules/system/system.module
Implements hook_custom_theme().
system_theme in core/modules/system/system.module
Implements hook_theme().
tabledrag_example_theme in modules/examples/tabledrag_example/tabledrag_example.module
Implements hook_theme().
taxonomy_theme in core/modules/taxonomy/taxonomy.module
Implements hook_theme().
theme_test_theme in core/modules/simpletest/tests/theme_test.module
Implements hook_theme().
theming_example_theme in modules/examples/theming_example/theming_example.module
Implements hook_theme().
update_theme in core/modules/update/update.module
Implements hook_theme().
user_theme in core/modules/user/user.module
Implements hook_theme().
views_theme in core/modules/views/views.module
Implement hook_theme(). Register views theme functions.
views_ui_custom_theme in core/modules/views_ui/views_ui.module
Implements hook_custom_theme()
views_ui_edit_display_form_change_theme in core/modules/views_ui/views_ui.admin.inc
Override handler for views_ui_edit_display_form
views_ui_theme in core/modules/views_ui/views_ui.module
Implements hook_theme().