141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
#include <QStyleOptionFrameV3>
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#include <QAction>
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#include <QMenu>
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#include <QWebFrame>
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#include <QContextMenuEvent>
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#include "core/basewebpage.h"
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#include "gui/basewebview.h"
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#include "gui/themefactory.h"
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BaseWebView::BaseWebView(QWidget *parent)
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: QWebView(parent), m_page(new BaseWebPage(this)) {
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setPage(m_page);
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initializeActions();
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createConnections();
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}
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BaseWebView::~BaseWebView() {
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qDebug("Destroying BaseWebView.");
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}
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void BaseWebView::onLoadFinished(bool ok) {
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// If page was not loaded, then display custom error page.
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if (!ok) {
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displayErrorPage();
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}
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}
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void BaseWebView::createConnections() {
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connect(this, &BaseWebView::loadFinished, this, &BaseWebView::onLoadFinished);
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}
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void BaseWebView::setupIcons() {
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m_actionReload->setIcon(ThemeFactory::fromTheme("view-refresh"));
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m_actionCopyLink->setIcon(ThemeFactory::fromTheme("edit-copy"));
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m_actionCopyImage->setIcon(ThemeFactory::fromTheme("insert-image"));
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m_actionCopyImageUrl->setIcon(ThemeFactory::fromTheme("edit-copy"));
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}
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void BaseWebView::initializeActions() {
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// Create needed actions.
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m_actionReload = pageAction(QWebPage::Reload);
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m_actionReload->setParent(this);
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m_actionReload->setText(tr("Reload web page"));
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m_actionReload->setToolTip(tr("Reload current web page"));
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m_actionCopyLink = pageAction(QWebPage::CopyLinkToClipboard);
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m_actionCopyLink->setParent(this);
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m_actionCopyLink->setText(tr("Copy link url"));
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m_actionCopyLink->setToolTip(tr("Copy link url to clipboard"));
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m_actionCopyImage = pageAction(QWebPage::CopyImageToClipboard);
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m_actionCopyImage->setParent(this);
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m_actionCopyImage->setText(tr("Copy image"));
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m_actionCopyImage->setToolTip(tr("Copy image to clipboard"));
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m_actionCopyImageUrl = pageAction(QWebPage::CopyImageUrlToClipboard);
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m_actionCopyImageUrl->setParent(this);
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m_actionCopyImageUrl->setText(tr("Copy image url"));
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m_actionCopyImageUrl->setToolTip(tr("Copy image url to clipboard"));
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}
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void BaseWebView::displayErrorPage() {
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// TODO: Add better custom error page.
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setHtml("error", url());
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}
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void BaseWebView::contextMenuEvent(QContextMenuEvent *event) {
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QMenu context_menu(tr("Web browser"), this);
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QMenu image_submenu(tr("Image"), &context_menu);
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QWebHitTestResult hit_result = page()->mainFrame()->hitTestContent(event->pos());
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image_submenu.setIcon(ThemeFactory::fromTheme("image-x-generic"));
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// Assemble the menu from actions.
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context_menu.addAction(m_actionReload);
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if (hit_result.linkUrl().isValid()) {
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context_menu.addAction(m_actionCopyLink);
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}
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if (!hit_result.pixmap().isNull()) {
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// Add 'Image' menu, because if user clicked image it needs to be visible.
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context_menu.addMenu(&image_submenu);
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image_submenu.addAction(m_actionCopyImage);
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}
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if (hit_result.imageUrl().isValid()) {
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image_submenu.addAction(m_actionCopyImageUrl);
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}
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// Display the menu.
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context_menu.exec(mapToGlobal(event->pos()));
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}
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void BaseWebView::mousePressEvent(QMouseEvent *event) {
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if (event->buttons() & Qt::MiddleButton) {
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QWebHitTestResult hit_result = page()->mainFrame()->hitTestContent(event->pos());
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// Check if user clicked with middle mouse button on some
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// hyperlink.
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if (hit_result.linkUrl().isValid()) {
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emit linkMiddleClicked(hit_result.linkUrl());
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// No more handling of event is now needed. Return.
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return;
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}
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}
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// TODO: Add mouse gestures (from quite-rss).
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QWebView::mousePressEvent(event);
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}
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void BaseWebView::mouseReleaseEvent(QMouseEvent *event) {
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QWebView::mousePressEvent(event);
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}
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void BaseWebView::paintEvent(QPaintEvent *event) {
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QWebView::paintEvent(event);
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// Draw additional frame.
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QPainter painter(this);
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QStyleOptionFrameV3 style_option;
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int frame_shape = QFrame::Sunken & QFrame::Shape_Mask;
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style_option.init(this);
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style_option.frameShape = QFrame::Shape(int(style_option.frameShape) |
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QFrame::StyledPanel |
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frame_shape);
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style_option.rect = rect();
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style_option.lineWidth = 1;
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style_option.midLineWidth = 0;
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style()->drawControl(QStyle::CE_ShapedFrame, &style_option, &painter, this);
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}
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