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LibWeb: Implement <input type=submit> without using LibGUI

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Following in the footsteps of <input type=checkbox>, this patch adds
LayoutButton which implements a basic push button using LibGfx styling
primitives.
This commit is contained in:
Andreas Kling 2020-09-12 17:56:11 +02:00
parent 94c55d9e37
commit cd5570670c
7 changed files with 220 additions and 40 deletions
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61
Libraries/LibWeb/Layout/LayoutButton.h Normal file
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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <LibWeb/HTML/HTMLInputElement.h>
#include <LibWeb/Layout/LayoutReplaced.h>
namespace Web {
class LayoutButton : public LayoutReplaced {
public:
LayoutButton(DOM::Document&, HTML::HTMLInputElement&, NonnullRefPtr<CSS::StyleProperties>);
virtual ~LayoutButton() override;
virtual void layout(LayoutMode = LayoutMode::Default) override;
virtual void paint(PaintContext&, PaintPhase) override;
const HTML::HTMLInputElement& node() const { return static_cast<const HTML::HTMLInputElement&>(LayoutReplaced::node()); }
HTML::HTMLInputElement& node() { return static_cast<HTML::HTMLInputElement&>(LayoutReplaced::node()); }
private:
virtual const char* class_name() const override { return "LayoutButton"; }
virtual bool is_button() const override { return true; }
virtual bool wants_mouse_events() const override { return true; }
virtual void handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned modifiers) override;
virtual void handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned modifiers) override;
virtual void handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint&, unsigned buttons, unsigned modifiers) override;
bool m_being_pressed { false };
bool m_tracking_mouse { false };
};
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutButton)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_button(); }
AK_END_TYPE_TRAITS()