RetroShare/retroshare-gui/src/gui/common/UIStateHelper.h

99 lines
3.7 KiB
C++

/****************************************************************
* RetroShare is distributed under the following license:
*
* Copyright (C) 2013 RetroShare Team
*
* 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 UISTATEHELPER_H
#define UISTATEHELPER_H
#include <QObject>
#include <QMap>
class QWidget;
class QLabel;
class ElidedLabel;
class QLineEdit;
class RSTreeWidget;
class UIStateHelperData;
class RSTextBrowser;
enum UIState // State is untouched when bit is not set
{
/* State for ::setLoading */
UISTATE_LOADING_VISIBLE = 0x00000001, // visible when loading
UISTATE_LOADING_INVISIBLE = 0x00000002, // invisible when loading
UISTATE_LOADING_ENABLED = 0x00000004, // enabled when loading
UISTATE_LOADING_DISABLED = 0x00000008, // disabled when loading
/* State for ::setActive */
UISTATE_ACTIVE_VISIBLE = 0x00000010, // visible when active
UISTATE_ACTIVE_INVISIBLE = 0x00000020, // invisible when active
UISTATE_ACTIVE_ENABLED = 0x00000040, // enabled when active
UISTATE_ACTIVE_DISABLED = 0x00000080 // disabled when active
};
Q_DECLARE_FLAGS(UIStates, UIState)
Q_DECLARE_OPERATORS_FOR_FLAGS(UIStates)
class UIStateHelper : public QObject
{
Q_OBJECT
public:
UIStateHelper(QObject *parent = 0);
~UIStateHelper();
/* Add widgets */
void addWidget(int index, QWidget *widget, UIStates states = UISTATE_LOADING_DISABLED | UISTATE_ACTIVE_ENABLED);
void addLoadPlaceholder(int index, QLabel *widget, bool clear = true, const QString &text = "" /* ="Loading" */);
void addLoadPlaceholder(int index, ElidedLabel *widget, bool clear = true, const QString &text = "" /* ="Loading" */);
void addLoadPlaceholder(int index, QLineEdit *widget, bool clear = true, const QString &text = "" /* ="Loading" */);
void addLoadPlaceholder(int index, RSTreeWidget *widget, bool clear = true, const QString &text = "" /* ="Loading" */);
void addLoadPlaceholder(int index, RSTextBrowser *widget, bool clear = true, const QString &text = "" /* ="Loading" */);
void addClear(int index, QLabel *widget);
void addClear(int index, QLineEdit *widget);
void addClear(int index, RSTreeWidget *widget);
void addClear(int index, RSTextBrowser *widget);
/* Set state */
void setLoading(int index, bool loading);
void setActive(int index, bool active);
void clear(int index);
/* State */
bool isLoading(int index);
bool isActive(int index);
/* Set state of widget */
void setWidgetVisible(QWidget *widget, bool visible);
void setWidgetEnabled(QWidget *widget, bool enabled);
private:
UIStateHelperData *findData(int index, bool create);
void updateData(UIStateHelperData *data);
bool isWidgetVisible(QWidget *widget);
bool isWidgetEnabled(QWidget *widget);
bool isWidgetLoading(QWidget *widget, QString &text);
private:
QMap<long, UIStateHelperData*> mData;
QMap<QWidget*, bool> mWidgetVisible;
QMap<QWidget*, bool> mWidgetEnabled;
};
#endif // UISTATEHELPER_H