81590b1804
Apparently it's not only replaced elements that can have intrinsic sizes, so let's move this concept from ReplacedBox to Box. To avoid bloating Box, we make the accessors virtual.
129 lines
3.9 KiB
C++
129 lines
3.9 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/Event.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/StylePainter.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/Layout/ButtonBox.h>
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#include <LibWeb/Layout/Label.h>
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#include <LibWeb/Page/BrowsingContext.h>
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namespace Web::Layout {
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ButtonBox::ButtonBox(DOM::Document& document, HTML::HTMLInputElement& element, NonnullRefPtr<CSS::StyleProperties> style)
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: LabelableNode(document, element, move(style))
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{
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}
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ButtonBox::~ButtonBox()
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{
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}
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void ButtonBox::prepare_for_replaced_layout()
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{
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set_intrinsic_width(font().width(dom_node().value()) + 20);
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set_intrinsic_height(20);
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}
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void ButtonBox::paint(PaintContext& context, PaintPhase phase)
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{
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if (!is_visible())
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return;
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LabelableNode::paint(context, phase);
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if (phase == PaintPhase::Foreground) {
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bool hovered = document().hovered_node() == &dom_node();
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if (!hovered)
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hovered = Label::is_associated_label_hovered(*this);
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Gfx::StylePainter::paint_button(context.painter(), enclosing_int_rect(absolute_rect()), context.palette(), Gfx::ButtonStyle::Normal, m_being_pressed, hovered, dom_node().checked(), dom_node().enabled());
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auto text_rect = enclosing_int_rect(absolute_rect());
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if (m_being_pressed)
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text_rect.translate_by(1, 1);
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context.painter().draw_text(text_rect, dom_node().value(), font(), Gfx::TextAlignment::Center, context.palette().button_text());
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}
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}
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void ButtonBox::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned)
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{
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if (button != GUI::MouseButton::Left || !dom_node().enabled())
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return;
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m_being_pressed = true;
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set_needs_display();
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m_tracking_mouse = true;
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browsing_context().event_handler().set_mouse_event_tracking_layout_node(this);
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}
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void ButtonBox::handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
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{
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if (!m_tracking_mouse || button != GUI::MouseButton::Left || !dom_node().enabled())
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return;
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// NOTE: Handling the click may run arbitrary JS, which could disappear this node.
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NonnullRefPtr protected_this = *this;
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NonnullRefPtr protected_frame = browsing_context();
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bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
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if (!is_inside_node_or_label)
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is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
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if (is_inside_node_or_label)
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dom_node().did_click_button({});
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m_being_pressed = false;
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m_tracking_mouse = false;
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protected_frame->event_handler().set_mouse_event_tracking_layout_node(nullptr);
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}
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void ButtonBox::handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned, unsigned)
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{
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if (!m_tracking_mouse || !dom_node().enabled())
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return;
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bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
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if (!is_inside_node_or_label)
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is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
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if (m_being_pressed == is_inside_node_or_label)
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return;
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m_being_pressed = is_inside_node_or_label;
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set_needs_display();
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}
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void ButtonBox::handle_associated_label_mousedown(Badge<Label>)
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{
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m_being_pressed = true;
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set_needs_display();
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}
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void ButtonBox::handle_associated_label_mouseup(Badge<Label>)
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{
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// NOTE: Handling the click may run arbitrary JS, which could disappear this node.
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NonnullRefPtr protected_this = *this;
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NonnullRefPtr protected_frame = browsing_context();
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dom_node().did_click_button({});
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m_being_pressed = false;
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}
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void ButtonBox::handle_associated_label_mousemove(Badge<Label>, bool is_inside_node_or_label)
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{
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if (m_being_pressed == is_inside_node_or_label)
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return;
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m_being_pressed = is_inside_node_or_label;
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set_needs_display();
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}
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}
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