0f6c5783d3
After adding the scrolling feature, content available space reduced and thus the bitmap size was always larger, than the inner size. This lead to the horizontal scrollbar always beeing engaged.
132 lines
4.7 KiB
C++
132 lines
4.7 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "WebContentView.h"
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#include "WebContentClient.h"
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#include <AK/SharedBuffer.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/ScrollBar.h>
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#include <LibGfx/SystemTheme.h>
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WebContentView::WebContentView()
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{
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m_client = WebContentClient::construct(*this);
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client().post_message(Messages::WebContentServer::UpdateSystemTheme(Gfx::current_system_theme_buffer_id()));
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}
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WebContentView::~WebContentView()
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{
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}
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void WebContentView::load(const URL& url)
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{
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client().post_message(Messages::WebContentServer::LoadURL(url));
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}
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void WebContentView::paint_event(GUI::PaintEvent& event)
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{
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GUI::ScrollableWidget::paint_event(event);
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GUI::Painter painter(*this);
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painter.add_clip_rect(frame_inner_rect());
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painter.add_clip_rect(event.rect());
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painter.translate(frame_thickness(), frame_thickness());
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ASSERT(m_bitmap);
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painter.blit({ 0, 0 }, *m_bitmap, m_bitmap->rect());
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}
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void WebContentView::resize_event(GUI::ResizeEvent& event)
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{
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GUI::ScrollableWidget::resize_event(event);
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auto bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGB32, available_size());
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m_bitmap = bitmap->to_bitmap_backed_by_shared_buffer();
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m_bitmap->shared_buffer()->share_with(client().server_pid());
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client().post_message(Messages::WebContentServer::SetViewportRect(Gfx::IntRect({ horizontal_scrollbar().value(), vertical_scrollbar().value() }, m_bitmap->size())));
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request_repaint();
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}
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void WebContentView::mousedown_event(GUI::MouseEvent& event)
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{
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client().post_message(Messages::WebContentServer::MouseDown(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers()));
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}
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void WebContentView::mouseup_event(GUI::MouseEvent& event)
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{
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client().post_message(Messages::WebContentServer::MouseUp(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers()));
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}
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void WebContentView::mousemove_event(GUI::MouseEvent& event)
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{
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client().post_message(Messages::WebContentServer::MouseMove(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers()));
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}
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void WebContentView::notify_server_did_paint(Badge<WebContentClient>, i32 shbuf_id)
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{
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if (m_bitmap->shbuf_id() == shbuf_id)
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update();
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}
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void WebContentView::notify_server_did_invalidate_content_rect(Badge<WebContentClient>, [[maybe_unused]] const Gfx::IntRect& content_rect)
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{
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#ifdef DEBUG_SPAM
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dbg() << "server did invalidate content_rect: " << content_rect << ", current shbuf_id=" << m_bitmap->shbuf_id();
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#endif
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request_repaint();
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}
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void WebContentView::notify_server_did_change_selection(Badge<WebContentClient>)
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{
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request_repaint();
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}
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void WebContentView::notify_server_did_layout(Badge<WebContentClient>, const Gfx::IntSize& content_size)
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{
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set_content_size(content_size);
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}
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void WebContentView::notify_server_did_change_title(Badge<WebContentClient>, const String& title)
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{
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if (on_title_change)
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on_title_change(title);
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}
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void WebContentView::did_scroll()
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{
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client().post_message(Messages::WebContentServer::SetViewportRect(visible_content_rect()));
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request_repaint();
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}
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void WebContentView::request_repaint()
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{
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client().post_message(Messages::WebContentServer::Paint(m_bitmap->rect().translated(horizontal_scrollbar().value(), vertical_scrollbar().value()), m_bitmap->shbuf_id()));
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}
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WebContentClient& WebContentView::client()
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{
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return *m_client;
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}
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