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305 lines
8.3 KiB
305 lines
8.3 KiB
/*
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Copyright (C) 2013 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "utilities.h"
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#include "utilities_p.h"
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#include <QApplication>
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#include <QClipboard>
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#include <QMimeData>
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#include <QUrl>
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#include <QList>
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#include <QStringBuilder>
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#include <QMessageBox>
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#include "fileoperation.h"
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#include <QEventLoop>
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#include <pwd.h>
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#include <grp.h>
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#include <stdlib.h>
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#include <glib.h>
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using namespace Fm;
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namespace Fm {
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FmPathList* pathListFromQUrls(QList<QUrl> urls) {
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QList<QUrl>::const_iterator it;
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FmPathList* pathList = fm_path_list_new();
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for(it = urls.begin(); it != urls.end(); ++it) {
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QUrl url = *it;
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FmPath* path = fm_path_new_for_uri(url.toString().toUtf8());
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fm_path_list_push_tail(pathList, path);
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fm_path_unref(path);
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}
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return pathList;
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}
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void pasteFilesFromClipboard(FmPath* destPath, QWidget* parent) {
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QClipboard* clipboard = QApplication::clipboard();
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const QMimeData* data = clipboard->mimeData();
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bool isCut = false;
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FmPathList* paths = NULL;
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if(data->hasFormat("x-special/gnome-copied-files")) {
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// Gnome, LXDE, and XFCE
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QByteArray gnomeData = data->data("x-special/gnome-copied-files");
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char* pdata = gnomeData.data();
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char* eol = strchr(pdata, '\n');
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if(eol) {
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*eol = '\0';
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isCut = (strcmp(pdata, "cut") == 0 ? true : false);
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paths = fm_path_list_new_from_uri_list(eol + 1);
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}
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}
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if(!paths && data->hasUrls()) {
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// The KDE way
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paths = Fm::pathListFromQUrls(data->urls());
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QByteArray cut = data->data("x-kde-cut-selection");
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if(!cut.isEmpty() && cut.at(0) == '1')
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isCut = true;
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}
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if(paths) {
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if(isCut)
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FileOperation::moveFiles(paths, destPath, parent);
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else
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FileOperation::copyFiles(paths, destPath, parent);
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fm_path_list_unref(paths);
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}
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}
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void copyFilesToClipboard(FmPathList* files) {
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QClipboard* clipboard = QApplication::clipboard();
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QMimeData* data = new QMimeData();
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char* urilist = fm_path_list_to_uri_list(files);
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// Gnome, LXDE, and XFCE
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data->setData("x-special/gnome-copied-files", (QString("copy\n") + urilist).toUtf8());
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// The KDE way
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data->setData("text/uri-list", urilist);
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// data.setData("x-kde-cut-selection", "0");
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g_free(urilist);
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clipboard->setMimeData(data);
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}
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void cutFilesToClipboard(FmPathList* files) {
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QClipboard* clipboard = QApplication::clipboard();
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QMimeData* data = new QMimeData();
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char* urilist = fm_path_list_to_uri_list(files);
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// Gnome, LXDE, and XFCE
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data->setData("x-special/gnome-copied-files", (QString("cut\n") + urilist).toUtf8());
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// The KDE way
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data->setData("text/uri-list", urilist);
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data->setData("x-kde-cut-selection", "1");
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g_free(urilist);
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clipboard->setMimeData(data);
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}
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void renameFile(FmFileInfo *file, QWidget *parent) {
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FmPath* path = fm_file_info_get_path(file);
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FilenameDialog dlg(parent);
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dlg.setWindowTitle(QObject::tr("Rename File"));
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dlg.setLabelText(QObject::tr("Please enter a new name:"));
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// FIXME: what's the best way to handle non-UTF8 filename encoding here?
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QString old_name = QString::fromLocal8Bit(fm_path_get_basename(path));
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dlg.setTextValue(old_name);
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if(fm_file_info_is_dir(file)) // select filename extension for directories
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dlg.setSelectExtension(true);
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if(dlg.exec() != QDialog::Accepted)
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return;
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QString new_name = dlg.textValue();
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if(new_name == old_name)
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return;
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GFile* gf = fm_path_to_gfile(path);
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GFile* parent_gf = g_file_get_parent(gf);
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GFile* dest = g_file_get_child(G_FILE(parent_gf), new_name.toLocal8Bit().data());
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g_object_unref(parent_gf);
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GError* err = NULL;
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if(!g_file_move(gf, dest,
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GFileCopyFlags(G_FILE_COPY_ALL_METADATA |
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G_FILE_COPY_NO_FALLBACK_FOR_MOVE |
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G_FILE_COPY_NOFOLLOW_SYMLINKS),
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NULL, /* make this cancellable later. */
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NULL, NULL, &err)) {
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QMessageBox::critical(parent, QObject::tr("Error"), err->message);
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g_error_free(err);
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}
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g_object_unref(dest);
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g_object_unref(gf);
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}
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// templateFile is a file path used as a template of the new file.
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void createFile(CreateFileType type, FmPath* parentDir, FmTemplate* templ, QWidget* parent) {
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QString defaultNewName;
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QString prompt;
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switch(type) {
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case CreateNewTextFile:
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prompt = QObject::tr("Please enter a new file name:");
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defaultNewName = QObject::tr("New text file");
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break;
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case CreateNewFolder:
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prompt = QObject::tr("Please enter a new folder name:");
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defaultNewName = QObject::tr("New folder");
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break;
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case CreateWithTemplate: {
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FmMimeType* mime = fm_template_get_mime_type(templ);
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prompt = QObject::tr("Enter a name for the new %1:").arg(QString::fromUtf8(fm_mime_type_get_desc(mime)));
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defaultNewName = QString::fromUtf8(fm_template_get_name(templ, NULL));
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}
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break;
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}
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_retry:
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// ask the user to input a file name
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bool ok;
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QString new_name = QInputDialog::getText(parent, QObject::tr("Create File"),
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prompt,
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QLineEdit::Normal,
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defaultNewName,
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&ok);
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if(!ok)
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return;
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GFile* parent_gf = fm_path_to_gfile(parentDir);
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GFile* dest_gf = g_file_get_child(G_FILE(parent_gf), new_name.toLocal8Bit().data());
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g_object_unref(parent_gf);
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GError* err = NULL;
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switch(type) {
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case CreateNewTextFile: {
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GFileOutputStream* f = g_file_create(dest_gf, G_FILE_CREATE_NONE, NULL, &err);
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if(f) {
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g_output_stream_close(G_OUTPUT_STREAM(f), NULL, NULL);
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g_object_unref(f);
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}
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break;
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}
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case CreateNewFolder:
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g_file_make_directory(dest_gf, NULL, &err);
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break;
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case CreateWithTemplate:
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fm_template_create_file(templ, dest_gf, &err, false);
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break;
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}
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g_object_unref(dest_gf);
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if(err) {
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if(err->domain == G_IO_ERROR && err->code == G_IO_ERROR_EXISTS) {
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g_error_free(err);
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err = NULL;
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goto _retry;
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}
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QMessageBox::critical(parent, QObject::tr("Error"), err->message);
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g_error_free(err);
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}
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}
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uid_t uidFromName(QString name) {
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uid_t ret;
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if(name.at(0).digitValue() != -1) {
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ret = uid_t(name.toUInt());
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}
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else {
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struct passwd* pw = getpwnam(name.toLatin1());
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// FIXME: use getpwnam_r instead later to make it reentrant
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ret = pw ? pw->pw_uid : -1;
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}
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return ret;
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}
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QString uidToName(uid_t uid) {
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QString ret;
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struct passwd* pw = getpwuid(uid);
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if(pw)
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ret = pw->pw_name;
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return ret;
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}
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gid_t gidFromName(QString name) {
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gid_t ret;
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if(name.at(0).digitValue() != -1) {
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ret = gid_t(name.toUInt());
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}
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else {
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// FIXME: use getgrnam_r instead later to make it reentrant
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struct group* grp = getgrnam(name.toLatin1());
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ret = grp ? grp->gr_gid : -1;
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}
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return ret;
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}
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QString gidToName(gid_t gid) {
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QString ret;
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struct group* grp = getgrgid(gid);
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if(grp)
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ret = grp->gr_name;
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return ret;
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}
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int execModelessDialog(QDialog* dlg) {
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// FIXME: this does much less than QDialog::exec(). Will this work flawlessly?
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QEventLoop loop;
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QObject::connect(dlg, &QDialog::finished, &loop, &QEventLoop::quit);
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// DialogExec does not seem to be documented in the Qt API doc?
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// However, in the source code of QDialog::exec(), it's used so let's use it too.
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dlg->show();
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(void)loop.exec(QEventLoop::DialogExec);
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return dlg->result();
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}
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// check if GVFS can support this uri scheme (lower case)
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bool isUriSchemeSupported(const char* uriScheme) {
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const gchar * const * schemes = g_vfs_get_supported_uri_schemes(g_vfs_get_default());
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if(Q_UNLIKELY(schemes == NULL))
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return false;
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for(const gchar * const * scheme = schemes; *scheme; ++scheme)
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if(strcmp(uriScheme, *scheme) == 0)
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return true;
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return false;
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}
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};
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