/
window.cpp
221 lines (179 loc) · 4.93 KB
/
window.cpp
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#include "window.moc"
// Qt
#include <qaccel.h>
#include <qevent.h>
#include <qheader.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qtimer.h>
// KDE
#include <kdebug.h>
#include <klistview.h>
#include <klistviewsearchline.h>
#include <klocale.h>
#include <krun.h>
#include <kurifilter.h>
#include <kwinmodule.h>
const int ERROR_TIMEOUT = 5000;
/**
* Subclass KListViewSearchLine to select the first visible item if the
* previous selected item gets filtered out
*/
class ListViewSearchLine : public KListViewSearchLine {
public:
ListViewSearchLine(QWidget* parent)
: KListViewSearchLine(parent) {}
void updateSearch(const QString& text) {
KListViewSearchLine::updateSearch(text);
KListView* view = listView();
QListViewItem* item = view->selectedItem();
if (item && item->isVisible()) {
return;
}
QListViewItemIterator iterator(view, QListViewItemIterator::Visible);
item = iterator.current();
if (item) {
view->setSelected(item, true);
}
}
};
Window::Window()
: QWidget(0) {
setCaption(i18n("Switcha"));
// Line edit
mLineEdit = new ListViewSearchLine(this);
connect(mLineEdit, SIGNAL(returnPressed()), SLOT(slotReturnPressed()) );
mLineEdit->installEventFilter(this);
// View
mView = new KListView(this);
mView->header()->hide();
mView->addColumn("");
mView->setResizeMode(QListView::LastColumn);
connect(mView, SIGNAL(clicked(QListViewItem*)), SLOT(switchToWindow(QListViewItem*)) );
mLineEdit->setListView(mView);
// Layout
QVBoxLayout* layout = new QVBoxLayout(this);
layout->setMargin(6);
layout->setSpacing(6);
layout->addWidget(mLineEdit);
layout->addWidget(mView);
// Hide with esc
QAccel* accel = new QAccel(this);
accel->connectItem(
accel->insertItem(Key_Escape),
this, SLOT(hide()) );
}
void Window::closeEvent(QCloseEvent* event) {
hide();
event->ignore();
}
void Window::showAgain() {
mLineEdit->clear();
mView->clear();
updateWindowInfoList();
WindowInfoList::ConstIterator
it = mWindowInfoList.begin(),
end = mWindowInfoList.end();
for (; it!=end; ++it) {
KWin::WindowInfo info = *it;
QListViewItem* item = new QListViewItem(mView, info.visibleName());
QPixmap pix = KWin::icon(info.win(), 16, 16, true);
item->setPixmap(0, pix);
}
if (!mWindowInfoList.empty()) {
mView->setSelected(mView->firstChild(), true);
}
QRect rect = QApplication::desktop()->availableGeometry();
int width = mView->columnWidth(0) + 30;
int height = 300;
move(
rect.left() + (rect.width() - width) / 2,
rect.top() + (rect.height() - height) / 2
);
resize(width, height);
show();
KWin::forceActiveWindow(winId());
}
void Window::updateWindowInfoList() {
KWinModule kwinModule;
typedef QValueList<WId> WIdList;
const WIdList & list = kwinModule.windows();
WIdList::ConstIterator
it = list.begin(),
end = list.end();
mWindowInfoList.clear();
for (; it!=end; ++it) {
KWin::WindowInfo info = KWin::windowInfo(*it);
NET::WindowType type = info.windowType(NET::AllTypesMask);
if (type != NET::Desktop && type != NET::Dock && type != NET::Menu) {
mWindowInfoList << info;
}
}
}
bool Window::eventFilter(QObject*, QEvent* event) {
if (event->type() != QEvent::KeyPress) {
return false;
}
QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
if (keyEvent->key() == Qt::Key_Up || keyEvent->key() == Qt::Key_Down) {
QKeyEvent* newEvent = new QKeyEvent(
keyEvent->type(), keyEvent->key(), keyEvent->ascii(),
keyEvent->state(), keyEvent->text());
QApplication::postEvent(mView, newEvent);
return true;
}
return false;
}
void Window::switchToWindow(QListViewItem* item) {
QString itemName = item->text(0);
WindowInfoList::ConstIterator
it = mWindowInfoList.begin(),
end = mWindowInfoList.end();
for (; it!=end; ++it) {
KWin::WindowInfo info = *it;
if (info.visibleName() == itemName) {
hide();
KWin::forceActiveWindow(info.win());
return;
}
}
}
void Window::slotReturnPressed() {
QListViewItem* item = mView->selectedItem();
if (item && item->isVisible()) {
switchToWindow(item);
} else {
QString cmd = mLineEdit->text();
run(cmd);
}
}
void Window::run(const QString& cmd) {
KURIFilterData filterData(cmd);
KURIFilter::self()->filterURI(filterData);
kdDebug() << "filterData.uriType" << filterData.uriType() << endl;
switch (filterData.uriType()) {
case KURIFilterData::LOCAL_FILE:
case KURIFilterData::LOCAL_DIR:
case KURIFilterData::NET_PROTOCOL:
case KURIFilterData::HELP:
new KRun(filterData.uri(), this);
break;
case KURIFilterData::EXECUTABLE:
case KURIFilterData::SHELL:
KRun::runCommand(cmd);
break;
case KURIFilterData::BLOCKED:
case KURIFilterData::UNKNOWN:
case KURIFilterData::ERROR:
showErrorMessage("Could not start this command");
return;
}
hide();
}
void Window::showErrorMessage(const QString& msg) {
QLabel* label = new QLabel(this);
label->setText(QString("<font color='red'>%1</font>").arg(msg));
label->show();
layout()->add(label);
QTimer::singleShot(ERROR_TIMEOUT, label, SLOT(deleteLater()) );
}