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https://github.com/SerenityOS/serenity
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LibGUI: Always show a box when the user requests autocomplete
Previously if there were no suggestions, we simply wouldn't show the autocomplete popup at all. This is functional, but when there are no resultes it does leave the user wondering if it actually worked. Now, if the user requests autocomplete and we do have requests, it behaves exactly as before, but if there' aren't any we now show a box with the message "No suggestions" to show the user that we got the request, there just isn't anything to suggest.
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@ -5,6 +5,7 @@
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*/
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#include <LibGUI/AutocompleteProvider.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Model.h>
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#include <LibGUI/TableView.h>
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#include <LibGUI/TextEditor.h>
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@ -86,10 +87,17 @@ AutocompleteBox::AutocompleteBox(TextEditor& editor)
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{
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m_popup_window = GUI::Window::construct(m_editor->window());
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m_popup_window->set_window_type(GUI::WindowType::Tooltip);
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m_popup_window->set_rect(0, 0, 300, 100);
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m_popup_window->set_rect(0, 0, 175, 25);
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m_suggestion_view = m_popup_window->set_main_widget<GUI::TableView>();
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auto& main_widget = m_popup_window->set_main_widget<GUI::Widget>();
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main_widget.set_fill_with_background_color(true);
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main_widget.set_layout<GUI::VerticalBoxLayout>();
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m_suggestion_view = main_widget.add<GUI::TableView>();
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m_suggestion_view->set_column_headers_visible(false);
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m_suggestion_view->set_visible(false);
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m_no_suggestions_view = main_widget.add<GUI::Label>("No suggestions");
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}
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void AutocompleteBox::update_suggestions(Vector<AutocompleteProvider::Entry>&& suggestions)
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@ -104,15 +112,17 @@ void AutocompleteBox::update_suggestions(Vector<AutocompleteProvider::Entry>&& s
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model.set_suggestions(move(suggestions));
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} else {
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m_suggestion_view->set_model(adopt_ref(*new AutocompleteSuggestionModel(move(suggestions))));
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m_suggestion_view->update();
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if (has_suggestions)
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m_suggestion_view->set_cursor(m_suggestion_view->model()->index(0), GUI::AbstractView::SelectionUpdate::Set);
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}
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m_suggestion_view->model()->invalidate();
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m_suggestion_view->set_visible(has_suggestions);
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m_no_suggestions_view->set_visible(!has_suggestions);
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m_popup_window->resize(has_suggestions ? Gfx::IntSize(300, 100) : Gfx::IntSize(175, 25));
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m_suggestion_view->update();
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if (!has_suggestions)
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close();
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}
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bool AutocompleteBox::is_visible() const
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@ -122,7 +132,7 @@ bool AutocompleteBox::is_visible() const
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void AutocompleteBox::show(Gfx::IntPoint suggestion_box_location)
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{
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if (!m_suggestion_view->model() || m_suggestion_view->model()->row_count() == 0)
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if (!m_suggestion_view->model())
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return;
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m_popup_window->move_to(suggestion_box_location);
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@ -7,6 +7,7 @@
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#pragma once
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#include <LibGUI/Forward.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/TextEditor.h>
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#include <LibGUI/Window.h>
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#include <LibIPC/Decoder.h>
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@ -92,6 +93,7 @@ private:
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WeakPtr<TextEditor> m_editor;
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RefPtr<GUI::Window> m_popup_window;
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RefPtr<GUI::TableView> m_suggestion_view;
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RefPtr<GUI::Label> m_no_suggestions_view;
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};
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}
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@ -814,7 +814,7 @@ void TextEditor::keydown_event(KeyEvent& event)
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if (is_multi_line() && !event.shift() && !event.alt() && event.ctrl() && event.key() == KeyCode::Key_Space) {
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if (m_autocomplete_provider) {
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try_show_autocomplete();
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try_show_autocomplete(UserRequestedAutocomplete::Yes);
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update_autocomplete.disarm();
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return;
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}
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@ -1456,14 +1456,14 @@ void TextEditor::undefer_reflow()
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}
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}
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void TextEditor::try_show_autocomplete()
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void TextEditor::try_show_autocomplete(UserRequestedAutocomplete user_requested_autocomplete)
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{
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if (m_autocomplete_provider) {
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m_autocomplete_provider->provide_completions([&](auto completions) {
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auto has_completions = !completions.is_empty();
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m_autocomplete_box->update_suggestions(move(completions));
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auto position = content_rect_for_position(cursor()).translated(0, -visible_content_rect().y()).bottom_right().translated(screen_relative_rect().top_left().translated(ruler_width(), 0).translated(10, 5));
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if (has_completions)
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if (has_completions || user_requested_autocomplete == Yes)
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m_autocomplete_box->show(position);
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});
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}
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@ -1958,7 +1958,7 @@ void TextEditor::set_should_autocomplete_automatically(bool value)
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if (value) {
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VERIFY(m_autocomplete_provider);
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m_autocomplete_timer = Core::Timer::create_single_shot(m_automatic_autocomplete_delay_ms, [this] { try_show_autocomplete(); });
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m_autocomplete_timer = Core::Timer::create_single_shot(m_automatic_autocomplete_delay_ms, [this] { try_show_autocomplete(UserRequestedAutocomplete::No); });
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return;
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}
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@ -274,7 +274,11 @@ private:
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void defer_reflow();
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void undefer_reflow();
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void try_show_autocomplete();
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enum UserRequestedAutocomplete {
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No,
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Yes
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};
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void try_show_autocomplete(UserRequestedAutocomplete);
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int icon_size() const { return 16; }
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int icon_padding() const { return 2; }
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