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https://github.com/RGBCube/serenity
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429b2e5860
This effectively makes it per-Document, but we hang it off of StyleComputer since that's what it's used for. The purpose of this is to prevent downloaded fonts from escaping the context that loaded them. There's probably a more elegant solution where we still share caching of system fonts, but let's start here.
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2022, 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 <LibWeb/FontCache.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/HTMLImageElement.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/Painting/ButtonPaintable.h>
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namespace Web::Painting {
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JS::NonnullGCPtr<ButtonPaintable> ButtonPaintable::create(Layout::ButtonBox const& layout_box)
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{
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return layout_box.heap().allocate_without_realm<ButtonPaintable>(layout_box);
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}
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ButtonPaintable::ButtonPaintable(Layout::ButtonBox const& layout_box)
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: LabelablePaintable(layout_box)
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{
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}
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Layout::ButtonBox const& ButtonPaintable::layout_box() const
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{
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return static_cast<Layout::ButtonBox const&>(layout_node());
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}
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Layout::ButtonBox& ButtonPaintable::layout_box()
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{
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return static_cast<Layout::ButtonBox&>(layout_node());
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}
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void ButtonPaintable::paint(PaintContext& context, PaintPhase phase) const
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{
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if (!is_visible())
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return;
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PaintableBox::paint(context, phase);
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auto const& dom_node = layout_box().dom_node();
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if (is<HTML::HTMLInputElement>(dom_node) && phase == PaintPhase::Foreground) {
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auto button_rect = context.enclosing_device_rect(absolute_rect());
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auto text_rect = button_rect;
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// Apply CSS text-indent property to text rect
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// FIXME: The second parameter to to_px() needs to be the block container’s own inline-axis inner size:
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// https://drafts.csswg.org/css-text-3/#propdef-text-indent
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auto text_indent = computed_values().text_indent().to_px(layout_box(), CSSPixels());
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text_rect.translate_by(context.rounded_device_pixels(text_indent), 0);
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// Apply button pressed state offset
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if (being_pressed()) {
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auto offset = context.rounded_device_pixels(1);
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text_rect.translate_by(offset, offset);
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}
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// Paint button text clipped to button rect
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auto& painter = context.painter();
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painter.save();
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painter.add_clip_rect(button_rect.to_type<int>());
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painter.draw_text(
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text_rect.to_type<int>(),
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static_cast<HTML::HTMLInputElement const&>(dom_node).value(),
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document().style_computer().font_cache().scaled_font(layout_box().font(), context.device_pixels_per_css_pixel()),
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Gfx::TextAlignment::Center,
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computed_values().color());
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painter.restore();
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}
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}
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}
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