mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 21:59:17 +00:00
116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef COMMON_DIALOG_MANAGER_H
|
|
#define COMMON_DIALOG_MANAGER_H
|
|
|
|
#include "common/scummsys.h"
|
|
|
|
#if defined(USE_SYSDIALOGS)
|
|
|
|
#include "common/fs.h"
|
|
#include "common/system.h"
|
|
#include "common/events.h"
|
|
|
|
namespace Common {
|
|
|
|
/**
|
|
* @defgroup common_dialogs Dialog Manager
|
|
* @ingroup common
|
|
*
|
|
* @brief The Dialog Manager allows GUI code to interact with native system dialogs.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* The DialogManager allows GUI code to interact with native system dialogs.
|
|
*/
|
|
class DialogManager {
|
|
public:
|
|
/**
|
|
* Values representing the user response to a dialog
|
|
*/
|
|
enum DialogResult {
|
|
kDialogError = -1, ///< Dialog couldn't be displayed
|
|
kDialogCancel = 0, ///< User cancelled the dialog (Cancel/No/Close buttons)
|
|
kDialogOk = 1 ///< User confirmed the dialog (OK/Yes buttons)
|
|
};
|
|
|
|
DialogManager() : _wasFullscreen(false) {}
|
|
virtual ~DialogManager() {}
|
|
|
|
/**
|
|
* Displays a dialog for selecting a file or folder in the filesystem.
|
|
*
|
|
* @param title The dialog title
|
|
* @param choice The path selected by the user
|
|
* @param isDirBrowser Restrict selection to directories
|
|
* @return The dialog result
|
|
*/
|
|
virtual DialogResult showFileBrowser(const Common::U32String &title, FSNode &choice, bool isDirBrowser = false) { return kDialogError; }
|
|
|
|
protected:
|
|
bool _wasFullscreen;
|
|
|
|
/**
|
|
* Call before opening a dialog.
|
|
*/
|
|
void beginDialog() {
|
|
// If we were in fullscreen mode, switch back
|
|
_wasFullscreen = g_system->getFeatureState(OSystem::kFeatureFullscreenMode);
|
|
if (_wasFullscreen) {
|
|
g_system->beginGFXTransaction();
|
|
g_system->setFeatureState(OSystem::kFeatureFullscreenMode, false);
|
|
g_system->endGFXTransaction();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Call after closing a dialog.
|
|
*/
|
|
void endDialog() {
|
|
// While the native file browser is open, any input events (e.g. keypresses) are
|
|
// still received by the application. With SDL backend for example this results in the
|
|
// events beeing queued and processed after we return, thus dispatching events that were
|
|
// intended for the native file browser. For example: pressing Esc to cancel the native
|
|
// file browser would cause the application to quit in addition to closing the
|
|
// file browser. To avoid this happening clear all pending events.
|
|
g_system->getEventManager()->getEventDispatcher()->clearEvents();
|
|
|
|
// If we were in fullscreen mode, switch back
|
|
if (_wasFullscreen) {
|
|
g_system->beginGFXTransaction();
|
|
g_system->setFeatureState(OSystem::kFeatureFullscreenMode, true);
|
|
g_system->endGFXTransaction();
|
|
}
|
|
}
|
|
};
|
|
|
|
/** @} */
|
|
|
|
} // End of namespace Common
|
|
|
|
#endif
|
|
|
|
#endif // COMMON_DIALOG_MANAGER_H
|