RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 04:07:44 +00:00
Code Issues Activity Actions

LibWeb: Move mouse event and label logic from layout to painting tree

Browse source 
Input events have nothing to do with layout, so let's not send them to
layout nodes.

The job of Paintable starts to become clear. It represents a paintable
item that can be rendered into the viewport, which means it can also
be targeted by the mouse cursor.
This commit is contained in:
Andreas Kling 2022-03-10 22:46:35 +01:00
parent ed84fbce47
commit cb0c5390ff
35 changed files with 560 additions and 429 deletions
Download patch file Download diff file Expand all files Collapse all files

87
Userland/Libraries/LibWeb/Painting/ButtonPaintable.cpp
View file

@ -4,8 +4,11 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Event.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/HTMLImageElement.h>
#include <LibWeb/Layout/ButtonBox.h>
#include <LibWeb/Layout/Label.h>
#include <LibWeb/Painting/ButtonPaintable.h>
namespace Web::Painting {
@ -16,7 +19,7 @@ NonnullRefPtr<ButtonPaintable> ButtonPaintable::create(Layout::ButtonBox const&
}
ButtonPaintable::ButtonPaintable(Layout::ButtonBox const& layout_box)
: PaintableBox(layout_box)
: LabelablePaintable(layout_box)
{
}
@ -25,6 +28,11 @@ Layout::ButtonBox const& ButtonPaintable::layout_box() const
return static_cast<Layout::ButtonBox const&>(layout_node());
}
Layout::ButtonBox& ButtonPaintable::layout_box()
{
return static_cast<Layout::ButtonBox&>(layout_node());
}
void ButtonPaintable::paint(PaintContext& context, PaintPhase phase) const
{
if (!is_visible())
@ -34,10 +42,85 @@ void ButtonPaintable::paint(PaintContext& context, PaintPhase phase) const
if (phase == PaintPhase::Foreground) {
auto text_rect = enclosing_int_rect(absolute_rect());
if (layout_box().being_pressed())
if (m_being_pressed)
text_rect.translate_by(1, 1);
context.painter().draw_text(text_rect, layout_box().dom_node().value(), layout_box().font(), Gfx::TextAlignment::Center, computed_values().color());
}
}
void ButtonPaintable::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned)
{
if (button != GUI::MouseButton::Primary || !layout_box().dom_node().enabled())
return;
m_being_pressed = true;
set_needs_display();
m_tracking_mouse = true;
browsing_context().event_handler().set_mouse_event_tracking_layout_node(&layout_box());
}
void ButtonPaintable::handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
{
if (!m_tracking_mouse || button != GUI::MouseButton::Primary || !layout_box().dom_node().enabled())
return;
// NOTE: Handling the click may run arbitrary JS, which could disappear this node.
NonnullRefPtr protected_this = *this;
NonnullRefPtr protected_browsing_context = browsing_context();
bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
if (!is_inside_node_or_label)
is_inside_node_or_label = Layout::Label::is_inside_associated_label(layout_box(), position);
if (is_inside_node_or_label)
const_cast<Layout::ButtonBox&>(layout_box()).dom_node().did_click_button({});
m_being_pressed = false;
m_tracking_mouse = false;
protected_browsing_context->event_handler().set_mouse_event_tracking_layout_node(nullptr);
}
void ButtonPaintable::handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned, unsigned)
{
if (!m_tracking_mouse || !layout_box().dom_node().enabled())
return;
bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
if (!is_inside_node_or_label)
is_inside_node_or_label = Layout::Label::is_inside_associated_label(layout_box(), position);
if (m_being_pressed == is_inside_node_or_label)
return;
m_being_pressed = is_inside_node_or_label;
set_needs_display();
}
void ButtonPaintable::handle_associated_label_mousedown(Badge<Layout::Label>)
{
m_being_pressed = true;
set_needs_display();
}
void ButtonPaintable::handle_associated_label_mouseup(Badge<Layout::Label>)
{
// NOTE: Handling the click may run arbitrary JS, which could disappear this node.
NonnullRefPtr protected_this = *this;
NonnullRefPtr protected_browsing_context = browsing_context();
layout_box().dom_node().did_click_button({});
m_being_pressed = false;
}
void ButtonPaintable::handle_associated_label_mousemove(Badge<Layout::Label>, bool is_inside_node_or_label)
{
if (m_being_pressed == is_inside_node_or_label)
return;
m_being_pressed = is_inside_node_or_label;
set_needs_display();
}
}