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pcmanfm-qt-packaging/libfm-qt/placesview.cpp

407 lines
14 KiB

/*
Copyright (C) 2012 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "placesview.h"
#include "placesmodel.h"
#include "placesmodelitem.h"
#include "mountoperation.h"
#include "fileoperation.h"
#include <QMenu>
#include <QContextMenuEvent>
#include <QHeaderView>
#include <QDebug>
#include <QGuiApplication>
using namespace Fm;
PlacesView::PlacesView(QWidget* parent):
QTreeView(parent),
currentPath_(NULL) {
setRootIsDecorated(false);
setHeaderHidden(true);
setIndentation(12);
connect(this, &QTreeView::clicked, this, &PlacesView::onClicked);
connect(this, &QTreeView::pressed, this, &PlacesView::onPressed);
setIconSize(QSize(24, 24));
// FIXME: we may share this model amont all views
model_ = new PlacesModel(this);
setModel(model_);
QHeaderView* headerView = header();
headerView->setSectionResizeMode(0, QHeaderView::Stretch);
headerView->setSectionResizeMode(1, QHeaderView::ResizeToContents);
headerView->setStretchLastSection(false);
expandAll();
// FIXME: is there any better way to make the first column span the whole row?
setFirstColumnSpanned(0, QModelIndex(), true); // places root
setFirstColumnSpanned(1, QModelIndex(), true); // devices root
setFirstColumnSpanned(2, QModelIndex(), true); // bookmarks root
// the 2nd column is for the eject buttons
setSelectionBehavior(QAbstractItemView::SelectRows); // FIXME: why this does not work?
setAllColumnsShowFocus(false);
setAcceptDrops(true);
setDragEnabled(true);
}
PlacesView::~PlacesView() {
if(currentPath_)
fm_path_unref(currentPath_);
// qDebug("delete PlacesView");
}
void PlacesView::activateRow(int type, const QModelIndex& index) {
if(!index.parent().isValid()) // ignore root items
return;
PlacesModelItem* item = static_cast<PlacesModelItem*>(model_->itemFromIndex(index));
if(item) {
FmPath* path = item->path();
if(!path) {
// check if mounting volumes is needed
if(item->type() == PlacesModelItem::Volume) {
PlacesModelVolumeItem* volumeItem = static_cast<PlacesModelVolumeItem*>(item);
if(!volumeItem->isMounted()) {
// Mount the volume
GVolume* volume = volumeItem->volume();
MountOperation* op = new MountOperation(true, this);
op->mount(volume);
// connect(op, SIGNAL(finished(GError*)), SLOT(onMountOperationFinished(GError*)));
// blocking here until the mount operation is finished?
// FIXME: update status of the volume after mount is finished!!
if(!op->wait())
return;
path = item->path();
}
}
}
if(path) {
Q_EMIT chdirRequested(type, path);
}
}
}
// mouse button pressed
void PlacesView::onPressed(const QModelIndex& index) {
// if middle button is pressed
if(QGuiApplication::mouseButtons() & Qt::MiddleButton) {
// the real item is at column 0
activateRow(1, 0 == index.column() ? index : index.sibling(index.row(), 0));
}
}
void PlacesView::onEjectButtonClicked(PlacesModelItem* item) {
// The eject button is clicked for a device item (volume or mount)
if(item->type() == PlacesModelItem::Volume) {
PlacesModelVolumeItem* volumeItem = static_cast<PlacesModelVolumeItem*>(item);
MountOperation* op = new MountOperation(true, this);
if(volumeItem->canEject()) // do eject if applicable
op->eject(volumeItem->volume());
else // otherwise, do unmount instead
op->unmount(volumeItem->volume());
}
else if(item->type() == PlacesModelItem::Mount) {
PlacesModelMountItem* mountItem = static_cast<PlacesModelMountItem*>(item);
MountOperation* op = new MountOperation(true, this);
op->unmount(mountItem->mount());
}
qDebug("PlacesView::onEjectButtonClicked");
}
void PlacesView::onClicked(const QModelIndex& index) {
if(!index.parent().isValid()) // ignore root items
return;
if(index.column() == 0) {
activateRow(0, index);
}
else if(index.column() == 1) { // column 1 contains eject buttons of the mounted devices
if(index.parent() == model_->devicesRoot->index()) { // this is a mounted device
// the eject button is clicked
QModelIndex itemIndex = index.sibling(index.row(), 0); // the real item is at column 0
PlacesModelItem* item = static_cast<PlacesModelItem*>(model_->itemFromIndex(itemIndex));
if(item) {
// eject the volume or the mount
onEjectButtonClicked(item);
}
}
}
}
void PlacesView::setCurrentPath(FmPath* path) {
if(currentPath_)
fm_path_unref(currentPath_);
if(path) {
currentPath_ = fm_path_ref(path);
// TODO: search for item with the path in model_ and select it.
PlacesModelItem* item = model_->itemFromPath(currentPath_);
if(item) {
selectionModel()->select(item->index(), QItemSelectionModel::SelectCurrent|QItemSelectionModel::Rows);
}
else
clearSelection();
}
else {
currentPath_ = NULL;
clearSelection();
}
}
void PlacesView::dragMoveEvent(QDragMoveEvent* event) {
QTreeView::dragMoveEvent(event);
/*
QModelIndex index = indexAt(event->pos());
if(event->isAccepted() && index.isValid() && index.parent() == model_->bookmarksRoot->index()) {
if(dropIndicatorPosition() != OnItem) {
event->setDropAction(Qt::LinkAction);
event->accept();
}
}
*/
}
void PlacesView::dropEvent(QDropEvent* event) {
QTreeView::dropEvent(event);
}
void PlacesView::onEmptyTrash() {
FmPathList* files = fm_path_list_new();
fm_path_list_push_tail(files, fm_path_get_trash());
Fm::FileOperation::deleteFiles(files);
fm_path_list_unref(files);
}
void PlacesView::onMoveBookmarkUp()
{
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelBookmarkItem* item = static_cast<PlacesModelBookmarkItem*>(model_->itemFromIndex(action->index()));
int row = item->row();
if(row > 0) {
FmBookmarkItem* bookmarkItem = item->bookmark();
FmBookmarks* bookmarks = fm_bookmarks_dup();
fm_bookmarks_reorder(bookmarks, bookmarkItem, row - 1);
g_object_unref(bookmarks);
}
}
void PlacesView::onMoveBookmarkDown()
{
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelBookmarkItem* item = static_cast<PlacesModelBookmarkItem*>(model_->itemFromIndex(action->index()));
int row = item->row();
if(row < model_->rowCount()) {
FmBookmarkItem* bookmarkItem = item->bookmark();
FmBookmarks* bookmarks = fm_bookmarks_dup();
fm_bookmarks_reorder(bookmarks, bookmarkItem, row + 1);
g_object_unref(bookmarks);
}
}
void PlacesView::onDeleteBookmark() {
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelBookmarkItem* item = static_cast<PlacesModelBookmarkItem*>(model_->itemFromIndex(action->index()));
FmBookmarkItem* bookmarkItem = item->bookmark();
FmBookmarks* bookmarks = fm_bookmarks_dup();
fm_bookmarks_remove(bookmarks, bookmarkItem);
g_object_unref(bookmarks);
}
// virtual
void PlacesView::commitData(QWidget * editor) {
QTreeView::commitData(editor);
PlacesModelBookmarkItem* item = static_cast<PlacesModelBookmarkItem*>(model_->itemFromIndex(currentIndex()));
FmBookmarkItem* bookmarkItem = item->bookmark();
FmBookmarks* bookmarks = fm_bookmarks_dup();
// rename bookmark
fm_bookmarks_rename(bookmarks, bookmarkItem, item->text().toUtf8().constData());
g_object_unref(bookmarks);
}
void PlacesView::onOpenNewTab()
{
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelItem* item = static_cast<PlacesModelItem*>(model_->itemFromIndex(action->index()));
if(item)
Q_EMIT chdirRequested(1, item->path());
}
void PlacesView::onOpenNewWindow()
{
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelItem* item = static_cast<PlacesModelItem*>(model_->itemFromIndex(action->index()));
if(item)
Q_EMIT chdirRequested(2, item->path());
}
void PlacesView::onRenameBookmark() {
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelBookmarkItem* item = static_cast<PlacesModelBookmarkItem*>(model_->itemFromIndex(action->index()));
setFocus();
setCurrentIndex(item->index());
edit(item->index());
}
void PlacesView::onMountVolume() {
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelVolumeItem* item = static_cast<PlacesModelVolumeItem*>(model_->itemFromIndex(action->index()));
MountOperation* op = new MountOperation(true, this);
op->mount(item->volume());
op->wait();
}
void PlacesView::onUnmountVolume() {
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelVolumeItem* item = static_cast<PlacesModelVolumeItem*>(model_->itemFromIndex(action->index()));
MountOperation* op = new MountOperation(true, this);
op->unmount(item->volume());
op->wait();
}
void PlacesView::onUnmountMount() {
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelMountItem* item = static_cast<PlacesModelMountItem*>(model_->itemFromIndex(action->index()));
GMount* mount = item->mount();
MountOperation* op = new MountOperation(true, this);
op->unmount(mount);
op->wait();
}
void PlacesView::onEjectVolume() {
PlacesModel::ItemAction* action = static_cast<PlacesModel::ItemAction*>(sender());
if(!action->index().isValid())
return;
PlacesModelVolumeItem* item = static_cast<PlacesModelVolumeItem*>(model_->itemFromIndex(action->index()));
MountOperation* op = new MountOperation(true, this);
op->eject(item->volume());
op->wait();
}
void PlacesView::contextMenuEvent(QContextMenuEvent* event) {
QModelIndex index = indexAt(event->pos());
if(index.isValid() && index.parent().isValid()) {
if(index.column() != 0) // the real item is at column 0
index = index.sibling(index.row(), 0);
QMenu* menu = new QMenu(this);
QAction* action;
PlacesModelItem* item = static_cast<PlacesModelItem*>(model_->itemFromIndex(index));
if(item->type() != PlacesModelItem::Mount
&& (item->type() != PlacesModelItem::Volume
|| static_cast<PlacesModelVolumeItem*>(item)->isMounted())) {
action = new PlacesModel::ItemAction(item->index(), tr("Open in New Tab"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onOpenNewTab);
menu->addAction(action);
action = new PlacesModel::ItemAction(item->index(), tr("Open in New Window"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onOpenNewWindow);
menu->addAction(action);
}
switch(item->type()) {
case PlacesModelItem::Places: {
FmPath* path = item->path();
if(path && fm_path_equal(fm_path_get_trash(), path)) {
action = new PlacesModel::ItemAction(item->index(), tr("Empty Trash"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onEmptyTrash);
menu->addAction(action);
}
break;
}
case PlacesModelItem::Bookmark: {
// create context menu for bookmark item
if(item->index().row() > 0) {
action = new PlacesModel::ItemAction(item->index(), tr("Move Bookmark Up"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onMoveBookmarkUp);
menu->addAction(action);
}
if(item->index().row() < model_->rowCount()) {
action = new PlacesModel::ItemAction(item->index(), tr("Move Bookmark Down"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onMoveBookmarkDown);
menu->addAction(action);
}
action = new PlacesModel::ItemAction(item->index(), tr("Rename Bookmark"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onRenameBookmark);
menu->addAction(action);
action = new PlacesModel::ItemAction(item->index(), tr("Remove Bookmark"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onDeleteBookmark);
menu->addAction(action);
break;
}
case PlacesModelItem::Volume: {
PlacesModelVolumeItem* volumeItem = static_cast<PlacesModelVolumeItem*>(item);
if(volumeItem->isMounted()) {
action = new PlacesModel::ItemAction(item->index(), tr("Unmount"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onUnmountVolume);
}
else {
action = new PlacesModel::ItemAction(item->index(), tr("Mount"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onMountVolume);
}
menu->addAction(action);
if(volumeItem->canEject()) {
action = new PlacesModel::ItemAction(item->index(), tr("Eject"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onEjectVolume);
menu->addAction(action);
}
break;
}
case PlacesModelItem::Mount: {
action = new PlacesModel::ItemAction(item->index(), tr("Unmount"), menu);
connect(action, &QAction::triggered, this, &PlacesView::onUnmountMount);
menu->addAction(action);
break;
}
}
if(menu->actions().size()) {
menu->popup(mapToGlobal(event->pos()));
connect(menu, &QMenu::aboutToHide, menu, &QMenu::deleteLater);
} else {
menu->deleteLater();
}
}
}