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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
130 lines
3.2 KiB
C++
130 lines
3.2 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Breadcrumbbar.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/Palette.h>
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REGISTER_WIDGET(GUI, Breadcrumbbar)
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namespace GUI {
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class BreadcrumbButton : public Button {
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C_OBJECT(BreadcrumbButton);
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public:
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virtual ~BreadcrumbButton() override { }
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virtual bool is_uncheckable() const override { return false; }
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virtual void drop_event(DropEvent& event) override
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{
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if (on_drop)
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on_drop(event);
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}
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virtual void drag_enter_event(DragEvent& event) override
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{
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update();
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if (on_drag_enter)
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on_drag_enter(event);
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}
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virtual void drag_leave_event(Event&) override
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{
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update();
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}
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virtual void paint_event(PaintEvent& event) override
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{
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Button::paint_event(event);
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if (has_pending_drop()) {
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Painter painter(*this);
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painter.draw_rect(rect(), palette().selection(), true);
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}
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}
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Function<void(DropEvent&)> on_drop;
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Function<void(DragEvent&)> on_drag_enter;
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private:
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BreadcrumbButton() { }
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};
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Breadcrumbbar::Breadcrumbbar()
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{
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auto& layout = set_layout<HorizontalBoxLayout>();
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layout.set_spacing(0);
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}
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Breadcrumbbar::~Breadcrumbbar()
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{
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}
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void Breadcrumbbar::clear_segments()
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{
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m_segments.clear();
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remove_all_children();
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}
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void Breadcrumbbar::append_segment(String text, const Gfx::Bitmap* icon, String data, String tooltip)
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{
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auto& button = add<BreadcrumbButton>();
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button.set_button_style(Gfx::ButtonStyle::Coolbar);
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button.set_text(text);
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button.set_icon(icon);
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button.set_tooltip(move(tooltip));
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button.set_focus_policy(FocusPolicy::TabFocus);
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button.set_checkable(true);
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button.set_exclusive(true);
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button.on_click = [this, index = m_segments.size()](auto) {
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if (on_segment_click)
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on_segment_click(index);
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};
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button.on_drop = [this, index = m_segments.size()](auto& drop_event) {
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if (on_segment_drop)
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on_segment_drop(index, drop_event);
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};
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button.on_drag_enter = [this, index = m_segments.size()](auto& event) {
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if (on_segment_drag_enter)
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on_segment_drag_enter(index, event);
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};
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auto button_text_width = button.font().width(text);
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auto icon_width = icon ? icon->width() : 0;
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auto icon_padding = icon ? 4 : 0;
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button.set_fixed_size(button_text_width + icon_width + icon_padding + 16, 16 + 8);
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Segment segment { icon, text, data, button.make_weak_ptr<GUI::Button>() };
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m_segments.append(move(segment));
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}
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void Breadcrumbbar::set_selected_segment(Optional<size_t> index)
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{
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if (!index.has_value()) {
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for_each_child_of_type<GUI::AbstractButton>([&](auto& button) {
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button.set_checked(false);
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return IterationDecision::Continue;
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});
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return;
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}
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auto& segment = m_segments[index.value()];
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VERIFY(segment.button);
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segment.button->set_checked(true);
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}
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void Breadcrumbbar::doubleclick_event(MouseEvent& event)
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{
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if (on_doubleclick)
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on_doubleclick(event);
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}
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}
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