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gui/browser.cpp
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227
gui/browser.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "gui/browser.h"
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#include "gui/gui-manager.h"
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#include "gui/widgets/edittext.h"
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#include "gui/widgets/list.h"
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#include "common/config-manager.h"
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#include "common/system.h"
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#include "common/algorithm.h"
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#if defined(USE_SYSDIALOGS)
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#include "common/dialogs.h"
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#endif
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#include "common/translation.h"
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namespace GUI {
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enum {
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kChooseCmd = 'Chos',
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kGoUpCmd = 'GoUp',
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kHiddenCmd = 'Hidd',
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kPathEditedCmd = 'Path'
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};
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/* We want to use this as a general directory selector at some point... possible uses
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* - to select the data dir for a game
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* - to select the place where save games are stored
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* - others???
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*/
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BrowserDialog::BrowserDialog(const Common::U32String &title, bool dirBrowser)
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: Dialog("Browser") {
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_title = title;
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_isDirBrowser = dirBrowser;
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_fileList = nullptr;
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_currentPath = nullptr;
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_showHidden = false;
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// Headline - TODO: should be customizable during creation time
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new StaticTextWidget(this, "Browser.Headline", title);
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// Current path - TODO: handle long paths ?
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_currentPath = new EditTextWidget(this, "Browser.Path", Common::U32String(), Common::U32String(), 0, kPathEditedCmd);
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// Add file list
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_fileList = new ListWidget(this, "Browser.List");
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_fileList->setNumberingMode(kListNumberingOff);
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_fileList->setEditable(false);
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_backgroundType = GUI::ThemeEngine::kDialogBackgroundPlain;
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// Checkbox for the "show hidden files" state.
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_showHiddenWidget = new CheckboxWidget(this, "Browser.Hidden", _("Show hidden files"), _("Show files marked with the hidden attribute"), kHiddenCmd);
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// Buttons
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if (!g_gui.useLowResGUI())
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new ButtonWidget(this, "Browser.Up", _("Go up"), _("Go to previous directory level"), kGoUpCmd);
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else
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new ButtonWidget(this, "Browser.Up", _c("Go up", "lowres"), _("Go to previous directory level"), kGoUpCmd);
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new ButtonWidget(this, "Browser.Cancel", _("Cancel"), Common::U32String(), kCloseCmd);
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new ButtonWidget(this, "Browser.Choose", _("Choose"), Common::U32String(), kChooseCmd);
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}
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int BrowserDialog::runModal() {
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#if defined(USE_SYSDIALOGS)
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// Try to use the backend browser
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Common::DialogManager *dialogManager = g_system->getDialogManager();
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if (dialogManager) {
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if (ConfMan.getBool("gui_browser_native", Common::ConfigManager::kApplicationDomain)) {
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Common::DialogManager::DialogResult result = dialogManager->showFileBrowser(_title, _choice, _isDirBrowser);
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if (result != Common::DialogManager::kDialogError) {
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return result;
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}
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}
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}
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#endif
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// If all else fails, use the GUI browser
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return Dialog::runModal();
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}
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void BrowserDialog::open() {
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// Call super implementation
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Dialog::open();
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if (ConfMan.hasKey("browser_lastpath"))
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_node = Common::FSNode(ConfMan.getPath("browser_lastpath"));
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if (!_node.isDirectory())
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_node = Common::FSNode(".");
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_showHidden = ConfMan.getBool("gui_browser_show_hidden", Common::ConfigManager::kApplicationDomain);
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_showHiddenWidget->setState(_showHidden);
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// At this point the file list has already been refreshed by the kHiddenCmd handler
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}
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void BrowserDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
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switch (cmd) {
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//Search for typed-in directory
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case kPathEditedCmd:
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_node = Common::FSNode(Common::Path(Common::convertFromU32String(_currentPath->getEditString()), Common::Path::kNativeSeparator));
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updateListing();
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break;
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//Search by text input
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case kChooseCmd:
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if (_isDirBrowser) {
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// If nothing is selected in the list widget, choose the current dir.
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// Else, choose the dir that is selected.
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int selection = _fileList->getSelected();
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if (selection >= 0)
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_choice = _nodeContent[selection];
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else
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_choice = _node;
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setResult(1);
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close();
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} else {
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int selection = _fileList->getSelected();
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if (selection < 0)
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break;
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if (_nodeContent[selection].isDirectory()) {
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_node = _nodeContent[selection];
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updateListing();
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} else {
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_choice = _nodeContent[selection];
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setResult(1);
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close();
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}
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}
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break;
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case kGoUpCmd:
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_node = _node.getParent();
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updateListing();
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break;
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case kListItemActivatedCmd:
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case kListItemDoubleClickedCmd:
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if (_nodeContent[data].isDirectory()) {
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_node = _nodeContent[data];
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updateListing();
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} else if (!_isDirBrowser) {
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_choice = _nodeContent[data];
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setResult(1);
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close();
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}
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break;
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case kListSelectionChangedCmd:
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// We do not allow selecting directories in directory
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// browser mode, thus we will invalidate the selection
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// when the user selects a directory over here.
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if (data != (uint32)-1 && _isDirBrowser && !_nodeContent[data].isDirectory())
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_fileList->setSelected(-1);
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break;
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case kHiddenCmd:
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// Update whether the user wants hidden files to be shown
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_showHidden = _showHiddenWidget->getState();
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// We save the state in the application domain to avoid cluttering and
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// to prevent odd behavior.
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ConfMan.setBool("gui_browser_show_hidden", _showHidden, Common::ConfigManager::kApplicationDomain);
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// Update the file listing
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updateListing();
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break;
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default:
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Dialog::handleCommand(sender, cmd, data);
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}
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}
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void BrowserDialog::updateListing() {
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// Update the path display
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_currentPath->setEditString(_node.getPath().toString(Common::Path::kNativeSeparator));
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// We memorize the last visited path.
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// Don't memorize a path that is not a directory
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if (_node.isDirectory()) {
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ConfMan.setPath("browser_lastpath", _node.getPath());
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}
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// Read in the data from the file system
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if (!_node.getChildren(_nodeContent, Common::FSNode::kListAll, _showHidden))
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_nodeContent.clear();
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else
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Common::sort(_nodeContent.begin(), _nodeContent.end());
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// Populate the ListWidget
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Common::U32StringArray list;
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Common::U32String color = ListWidget::getThemeColor(ThemeEngine::kFontColorNormal);
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for (auto &node : _nodeContent) {
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if (_isDirBrowser) {
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if (node.isDirectory())
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color = ListWidget::getThemeColor(ThemeEngine::kFontColorNormal);
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else
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color = ListWidget::getThemeColor(ThemeEngine::kFontColorAlternate);
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}
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if (node.isDirectory())
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list.push_back(color + ListWidget::escapeString(Common::U32String(node.getName()) + "/"));
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else
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list.push_back(color + ListWidget::escapeString(Common::U32String(node.getName())));
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}
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_fileList->setList(list);
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_fileList->scrollTo(0);
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// Finally, redraw
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g_gui.scheduleTopDialogRedraw();
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}
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} // End of namespace GUI
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