LibGUI: Some more convenience functions for constructing widgets

This patch adds two new API's:

- WidgetType& GUI::Window::set_main_widget<WidgetType>();

  This creates a new main widget for a window, assigns it, and returns
  it to you as a WidgetType&.

- LayoutType& GUI::Widget::set_layout<LayoutType>();

  Same basic idea, creates a new layout, assigns it, and returns it to
  you as a LayoutType&.
This commit is contained in:
Andreas Kling 2020-03-03 21:42:48 +01:00
parent 0cafbbf09c
commit 03e0ddce52
Notes: sideshowbarker 2024-07-19 08:54:54 +09:00
10 changed files with 66 additions and 60 deletions

View File

@ -63,21 +63,20 @@ int main(int argc, char** argv)
window->set_resizable(false);
window->set_rect(window_rect);
auto outer_widget = GUI::Widget::construct();
window->set_main_widget(outer_widget);
outer_widget->set_fill_with_background_color(true);
outer_widget->set_layout(make<GUI::VerticalBoxLayout>());
outer_widget->layout()->set_margins({ 8, 8, 8, 8 });
auto& outer_widget = window->set_main_widget<GUI::Widget>();
outer_widget.set_fill_with_background_color(true);
outer_widget.set_layout<GUI::VerticalBoxLayout>();
outer_widget.layout()->set_margins({ 8, 8, 8, 8 });
auto inner_widget = outer_widget->add<GUI::Widget>();
inner_widget->set_layout(make<GUI::HorizontalBoxLayout>());
auto inner_widget = outer_widget.add<GUI::Widget>();
inner_widget->set_layout<GUI::HorizontalBoxLayout>();
inner_widget->layout()->set_spacing(8);
auto left_outer_container = inner_widget->add<GUI::Widget>();
left_outer_container->set_layout(make<GUI::HorizontalBoxLayout>());
left_outer_container->set_layout<GUI::HorizontalBoxLayout>();
auto left_inner_container = left_outer_container->add<GUI::Widget>();
left_inner_container->set_layout(make<GUI::VerticalBoxLayout>());
left_inner_container->set_layout<GUI::VerticalBoxLayout>();
left_inner_container->layout()->set_spacing(8);
left_inner_container->set_preferred_size(0, 50);
left_inner_container->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
@ -106,7 +105,7 @@ int main(int argc, char** argv)
git_info_label->set_preferred_size(0, 11);
auto right_container = inner_widget->add<GUI::Widget>();
right_container->set_layout(make<GUI::VerticalBoxLayout>());
right_container->set_layout<GUI::VerticalBoxLayout>();
auto icon_label = right_container->add<GUI::Label>();
icon_label->set_icon(Gfx::Bitmap::load_from_file("/res/icons/buggie.png"));
@ -114,7 +113,7 @@ int main(int argc, char** argv)
icon_label->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
icon_label->set_preferred_size(icon_label->icon()->size());
auto quit_button = outer_widget->add<GUI::Button>();
auto quit_button = outer_widget.add<GUI::Button>();
quit_button->set_text("Okay");
quit_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
quit_button->set_preferred_size(100, 20);

View File

@ -75,13 +75,13 @@ int main(int argc, char** argv)
auto window = GUI::Window::construct();
window->set_rect(100, 100, 640, 480);
auto widget = GUI::Widget::construct();
widget->set_fill_with_background_color(true);
widget->set_layout(make<GUI::VerticalBoxLayout>());
widget->layout()->set_spacing(0);
auto& widget = window->set_main_widget<GUI::Widget>();
widget.set_fill_with_background_color(true);
widget.set_layout<GUI::VerticalBoxLayout>();
widget.layout()->set_spacing(0);
auto toolbar = widget->add<GUI::ToolBar>();
auto html_widget = widget->add<HtmlView>();
auto toolbar = widget.add<GUI::ToolBar>();
auto html_widget = widget.add<HtmlView>();
History<URL> history;
@ -151,7 +151,7 @@ int main(int argc, char** argv)
location_box->set_focus(true);
});
auto statusbar = widget->add<GUI::StatusBar>();
auto statusbar = widget.add<GUI::StatusBar>();
html_widget->on_link_hover = [&](auto& href) {
statusbar->set_text(href);
@ -200,8 +200,7 @@ int main(int argc, char** argv)
dom_inspector_window = GUI::Window::construct();
dom_inspector_window->set_rect(100, 100, 300, 500);
dom_inspector_window->set_title("DOM inspector");
auto dom_inspector_widget = InspectorWidget::construct();
dom_inspector_window->set_main_widget(dom_inspector_widget);
dom_inspector_window->set_main_widget<InspectorWidget>();
}
auto* inspector_widget = static_cast<InspectorWidget*>(dom_inspector_window->main_widget());
inspector_widget->set_document(html_widget->document());
@ -244,7 +243,6 @@ int main(int argc, char** argv)
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/filetype-html.png"));
window->set_title("Browser");
window->set_main_widget(widget);
window->show();
URL url_to_load = home_url;

View File

@ -60,8 +60,7 @@ int main(int argc, char** argv)
window->set_resizable(false);
window->set_rect({ 300, 200, 254, 213 });
auto calc_widget = CalculatorWidget::construct();
window->set_main_widget(calc_widget);
window->set_main_widget<CalculatorWidget>();
window->show();
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-calculator.png"));

View File

@ -57,22 +57,21 @@ int main(int argc, char** argv)
window->set_rect(100, 100, 800, 500);
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-chanviewer.png"));
auto widget = GUI::Widget::construct();
window->set_main_widget(widget);
widget->set_fill_with_background_color(true);
widget->set_layout(make<GUI::VerticalBoxLayout>());
auto& widget = window->set_main_widget<GUI::Widget>();
widget.set_fill_with_background_color(true);
widget.set_layout<GUI::VerticalBoxLayout>();
auto board_combo = widget->add<GUI::ComboBox>();
auto board_combo = widget.add<GUI::ComboBox>();
board_combo->set_only_allow_values_from_model(true);
board_combo->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
board_combo->set_preferred_size(0, 20);
board_combo->set_model(BoardListModel::create());
auto catalog_view = widget->add<GUI::TableView>();
auto catalog_view = widget.add<GUI::TableView>();
catalog_view->set_model(ThreadCatalogModel::create());
auto& catalog_model = *static_cast<ThreadCatalogModel*>(catalog_view->model());
auto statusbar = widget->add<GUI::StatusBar>();
auto statusbar = widget.add<GUI::StatusBar>();
board_combo->on_change = [&] (auto&, const GUI::ModelIndex& index) {
auto selected_board = board_combo->model()->data(index, GUI::Model::Role::Custom);

View File

@ -43,16 +43,15 @@ PropertiesDialog::PropertiesDialog(GUI::FileSystemModel& model, String path, boo
auto file_path = FileSystemPath(path);
ASSERT(file_path.is_valid());
auto main_widget = GUI::Widget::construct();
main_widget->set_layout(make<GUI::VerticalBoxLayout>());
main_widget->layout()->set_margins({ 4, 4, 4, 4 });
main_widget->set_fill_with_background_color(true);
auto& main_widget = set_main_widget<GUI::Widget>();
main_widget.set_layout(make<GUI::VerticalBoxLayout>());
main_widget.layout()->set_margins({ 4, 4, 4, 4 });
main_widget.set_fill_with_background_color(true);
set_main_widget(main_widget);
set_rect({ 0, 0, 360, 420 });
set_resizable(false);
auto tab_widget = main_widget->add<GUI::TabWidget>();
auto tab_widget = main_widget.add<GUI::TabWidget>();
auto general_tab = tab_widget->add_tab<GUI::Widget>("General");
general_tab->set_layout(make<GUI::VerticalBoxLayout>());
@ -131,8 +130,8 @@ PropertiesDialog::PropertiesDialog(GUI::FileSystemModel& model, String path, boo
general_tab->layout()->add_spacer();
auto button_widget = main_widget->add<GUI::Widget>();
button_widget->set_layout(make<GUI::HorizontalBoxLayout>());
auto button_widget = main_widget.add<GUI::Widget>();
button_widget->set_layout<GUI::HorizontalBoxLayout>();
button_widget->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
button_widget->set_preferred_size(0, 24);
button_widget->layout()->set_spacing(5);

View File

@ -92,12 +92,12 @@ int main(int argc, char** argv)
auto heigth = config->read_num_entry("Window", "Heigth", 480);
window->set_rect({ left, top, width, heigth });
auto widget = GUI::Widget::construct();
widget->set_layout(make<GUI::VerticalBoxLayout>());
widget->layout()->set_spacing(0);
auto& widget = window->set_main_widget<GUI::Widget>();
widget.set_layout<GUI::VerticalBoxLayout>();
widget.layout()->set_spacing(0);
auto main_toolbar = widget->add<GUI::ToolBar>();
auto location_toolbar = widget->add<GUI::ToolBar>();
auto main_toolbar = widget.add<GUI::ToolBar>();
auto location_toolbar = widget.add<GUI::ToolBar>();
location_toolbar->layout()->set_margins({ 6, 3, 6, 3 });
location_toolbar->set_preferred_size(0, 25);
@ -106,7 +106,7 @@ int main(int argc, char** argv)
auto location_textbox = location_toolbar->add<GUI::TextBox>();
auto splitter = widget->add<GUI::HorizontalSplitter>();
auto splitter = widget.add<GUI::HorizontalSplitter>();
auto tree_view = splitter->add<GUI::TreeView>();
auto directories_model = GUI::FileSystemModel::create("/", GUI::FileSystemModel::Mode::DirectoriesOnly);
tree_view->set_model(directories_model);
@ -122,7 +122,7 @@ int main(int argc, char** argv)
tree_view->set_preferred_size(150, 0);
auto directory_view = splitter->add<DirectoryView>();
auto statusbar = widget->add<GUI::StatusBar>();
auto statusbar = widget.add<GUI::StatusBar>();
auto progressbar = statusbar->add<GUI::ProgressBar>();
progressbar->set_caption("Generating thumbnails: ");
@ -641,7 +641,6 @@ int main(int argc, char** argv)
directory_view->open(initial_location);
directory_view->set_focus(true);
window->set_main_widget(widget);
window->show();
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/filetype-folder.png"));

View File

@ -78,13 +78,13 @@ int main(int argc, char* argv[])
window->set_title("Help");
window->set_rect(300, 200, 570, 500);
auto widget = GUI::Widget::construct();
widget->set_layout(make<GUI::VerticalBoxLayout>());
widget->layout()->set_spacing(0);
auto& widget = window->set_main_widget<GUI::Widget>();
widget.set_layout<GUI::VerticalBoxLayout>();
widget.layout()->set_spacing(0);
auto toolbar = widget->add<GUI::ToolBar>();
auto toolbar = widget.add<GUI::ToolBar>();
auto splitter = widget->add<GUI::HorizontalSplitter>();
auto splitter = widget.add<GUI::HorizontalSplitter>();
auto model = ManualModel::create();
@ -195,7 +195,6 @@ int main(int argc, char* argv[])
app.set_menubar(move(menubar));
window->set_main_widget(widget);
window->set_focused_widget(tree_view);
window->show();

View File

@ -39,17 +39,16 @@ int main(int argc, char** argv)
window->set_rect(100, 100, 240, 160);
window->set_title("Hello World!");
auto main_widget = GUI::Widget::construct();
window->set_main_widget(main_widget);
main_widget->set_fill_with_background_color(true);
main_widget->set_background_color(Color::White);
main_widget->set_layout(make<GUI::VerticalBoxLayout>());
main_widget->layout()->set_margins({ 4, 4, 4, 4 });
auto& main_widget = window->set_main_widget<GUI::Widget>();
main_widget.set_fill_with_background_color(true);
main_widget.set_background_color(Color::White);
auto& layout = main_widget.set_layout<GUI::VerticalBoxLayout>();
layout.set_margins({ 4, 4, 4, 4 });
auto label = main_widget->add<GUI::Label>();
auto label = main_widget.add<GUI::Label>();
label->set_text("Hello\nWorld!");
auto button = main_widget->add<GUI::Button>();
auto button = main_widget.add<GUI::Button>();
button->set_text("Good-bye");
button->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
button->set_preferred_size(0, 20);

View File

@ -98,6 +98,13 @@ public:
const Layout* layout() const { return m_layout.ptr(); }
void set_layout(OwnPtr<Layout>&&);
template<typename T>
T& set_layout()
{
set_layout(make<T>());
return static_cast<T&>(*layout());
}
SizePolicy horizontal_size_policy() const { return m_horizontal_size_policy; }
SizePolicy vertical_size_policy() const { return m_vertical_size_policy; }
SizePolicy size_policy(Orientation orientation) { return orientation == Orientation::Horizontal ? m_horizontal_size_policy : m_vertical_size_policy; }

View File

@ -125,6 +125,14 @@ public:
const Widget* main_widget() const { return m_main_widget; }
void set_main_widget(Widget*);
template<class T, class... Args>
inline T& set_main_widget(Args&&... args)
{
auto widget = T::construct(forward<Args>(args)...);
set_main_widget(widget.ptr());
return *widget;
}
Widget* focused_widget() { return m_focused_widget; }
const Widget* focused_widget() const { return m_focused_widget; }
void set_focused_widget(Widget*);