subsurface/qt-ui/usermanual.cpp
Tomaz Canabrava cf848e5233 Correct the usage of std::string and QString
QStrings shouldn't be == "" to check for empty string, use .isEmpty()
QStrings shouldn't be != "" to check for non empty, use .size()
std::string shouldn't be cleared with = "", use .clear()

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2014-05-11 01:57:00 -07:00

99 lines
2.7 KiB
C++

#include <QDesktopServices>
#include <QShortcut>
#include "usermanual.h"
#include "ui_usermanual.h"
#include "../helpers.h"
UserManual::UserManual(QWidget *parent) : QMainWindow(parent),
ui(new Ui::UserManual)
{
ui->setupUi(this);
QShortcut* closeKey = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this);
connect(closeKey, SIGNAL(activated()), this, SLOT(close()));
QShortcut* quitKey = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this);
connect(quitKey, SIGNAL(activated()), parent, SLOT(close()));
QAction *actionShowSearch = new QAction(this);
actionShowSearch->setShortcut(Qt::CTRL + Qt::Key_F);
actionShowSearch->setShortcutContext(Qt::WindowShortcut);
addAction(actionShowSearch);
QAction *actionHideSearch = new QAction(this);
actionHideSearch->setShortcut(Qt::Key_Escape);
actionHideSearch->setShortcutContext(Qt::WindowShortcut);
addAction(actionHideSearch);
setWindowTitle(tr("User Manual"));
ui->webView->page()->setLinkDelegationPolicy(QWebPage::DelegateExternalLinks);
QString searchPath = getSubsurfaceDataPath("Documentation");
if (searchPath.size()) {
QUrl url(searchPath.append("/user-manual.html"));
ui->webView->setUrl(url);
} else {
ui->webView->setHtml(tr("Cannot find the Subsurface manual"));
}
ui->searchPanel->setParent(this);
ui->searchPanel->hide();
connect(actionShowSearch, SIGNAL(triggered(bool)), this, SLOT(showSearchPanel()));
connect(actionHideSearch, SIGNAL(triggered(bool)), this, SLOT(hideSearchPanel()));
connect(ui->webView, SIGNAL(linkClicked(QUrl)), this, SLOT(linkClickedSlot(QUrl)));
connect(ui->searchEdit, SIGNAL(textChanged(QString)), this, SLOT(searchTextChanged(QString)));
connect(ui->findNext, SIGNAL(clicked()), this, SLOT(searchNext()));
connect(ui->findPrev, SIGNAL(clicked()), this, SLOT(searchPrev()));
}
void UserManual::showSearchPanel()
{
ui->searchPanel->show();
ui->searchEdit->setFocus();
ui->searchEdit->selectAll();
}
void UserManual::hideSearchPanel()
{
ui->searchPanel->hide();
}
void UserManual::search(QString text, QWebPage::FindFlags flags = 0)
{
if (ui->webView->findText(text, QWebPage::FindWrapsAroundDocument | flags) || text.length() == 0) {
ui->searchEdit->setStyleSheet("");
} else {
ui->searchEdit->setStyleSheet("QLineEdit{background: red;}");
}
}
void UserManual::searchTextChanged(QString text)
{
bool hasText = text.length() > 0;
ui->findPrev->setEnabled(hasText);
ui->findNext->setEnabled(hasText);
search(text);
}
void UserManual::searchNext()
{
search(ui->searchEdit->text());
}
void UserManual::searchPrev()
{
search(ui->searchEdit->text(), QWebPage::FindBackward);
}
void UserManual::linkClickedSlot(QUrl url)
{
QDesktopServices::openUrl(url);
}
UserManual::~UserManual()
{
delete ui;
}