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LibGUI: Always show a box when the user requests autocomplete

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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.
This commit is contained in:
thislooksfun 2021-10-27 23:13:49 -05:00 • committed by Andreas Kling
parent 6c776d267a
commit 0627ed9900
4 changed files with 27 additions and 11 deletions
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22
Userland/Libraries/LibGUI/AutocompleteProvider.cpp
View file

@ -5,6 +5,7 @@
*/
#include <LibGUI/AutocompleteProvider.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Model.h>
#include <LibGUI/TableView.h>
#include <LibGUI/TextEditor.h>
@ -86,10 +87,17 @@ AutocompleteBox::AutocompleteBox(TextEditor& editor)
{
m_popup_window = GUI::Window::construct(m_editor->window());
m_popup_window->set_window_type(GUI::WindowType::Tooltip);
m_popup_window->set_rect(0, 0, 300, 100);
m_popup_window->set_rect(0, 0, 175, 25);
m_suggestion_view = m_popup_window->set_main_widget<GUI::TableView>();
auto& main_widget = m_popup_window->set_main_widget<GUI::Widget>();
main_widget.set_fill_with_background_color(true);
main_widget.set_layout<GUI::VerticalBoxLayout>();
m_suggestion_view = main_widget.add<GUI::TableView>();
m_suggestion_view->set_column_headers_visible(false);
m_suggestion_view->set_visible(false);
m_no_suggestions_view = main_widget.add<GUI::Label>("No suggestions");
}
void AutocompleteBox::update_suggestions(Vector<AutocompleteProvider::Entry>&& suggestions)
@ -104,15 +112,17 @@ void AutocompleteBox::update_suggestions(Vector<AutocompleteProvider::Entry>&& s
model.set_suggestions(move(suggestions));
} else {
m_suggestion_view->set_model(adopt_ref(*new AutocompleteSuggestionModel(move(suggestions))));
m_suggestion_view->update();
if (has_suggestions)
m_suggestion_view->set_cursor(m_suggestion_view->model()->index(0), GUI::AbstractView::SelectionUpdate::Set);
}
m_suggestion_view->model()->invalidate();
m_suggestion_view->set_visible(has_suggestions);
m_no_suggestions_view->set_visible(!has_suggestions);
m_popup_window->resize(has_suggestions ? Gfx::IntSize(300, 100) : Gfx::IntSize(175, 25));
m_suggestion_view->update();
if (!has_suggestions)
close();
}
bool AutocompleteBox::is_visible() const
@ -122,7 +132,7 @@ bool AutocompleteBox::is_visible() const
void AutocompleteBox::show(Gfx::IntPoint suggestion_box_location)
{
if (!m_suggestion_view->model() || m_suggestion_view->model()->row_count() == 0)
if (!m_suggestion_view->model())
return;
m_popup_window->move_to(suggestion_box_location);