netradiant-custom/libs/gtkutil/guisettings.cpp
2022-10-27 09:10:31 +03:00

138 lines
4.4 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant 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.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "guisettings.h"
#include <optional>
#include <QSettings>
#include <QCoreApplication>
#include <QWidget>
#include <QMainWindow>
#include <QSplitter>
class GuiSetting
{
protected:
const char * const m_path;
private:
inline static std::optional<QSettings> m_qsettings{};
public:
inline static QSettings& qsettings(){
return m_qsettings.has_value()
? m_qsettings.value()
: m_qsettings.emplace( QCoreApplication::organizationName(), QCoreApplication::applicationName() );
}
GuiSetting( const char* path ) : m_path( path ){}
virtual ~GuiSetting() = default;
virtual void save() const = 0;
};
class WindowSetting : public GuiSetting, QObject
{
QWidget * const m_window;
bool m_wantSave{};
public:
WindowSetting( QWidget *window, const char *path, int w, int h, int x, int y ) : GuiSetting( path ), m_window( window ){
if( const QByteArray geometry = qsettings().value( m_path, QByteArray() ).toByteArray(); !geometry.isEmpty() ){
m_window->restoreGeometry( geometry );
m_wantSave = true;
}
else{
if( w > 0 && h > 0 )
m_window->resize( w, h );
if( x > 0 && y > 0 ){
m_window->move( x, y );
m_wantSave = true;
}
else{
m_window->installEventFilter( this );
if( m_window->isVisible() )
m_wantSave = true;
}
}
}
void save() const override {
// w/o restoreGeometry() or move(): only save, if window has been shown, so default pos has been applied
if( m_wantSave )
qsettings().setValue( m_path, m_window->saveGeometry() );
}
protected:
bool eventFilter( QObject *obj, QEvent *event ) override {
// deal with the case w/o restoreGeometry() or move():
// when window is closed via VM means (gui cross, alt+f4), pos is defaulted on next show() (np with hide() )
if( event->type() == QEvent::Show || event->type() == QEvent::Close ) {
m_window->setAttribute( Qt::WidgetAttribute::WA_Moved );
m_window->removeEventFilter( this );
m_wantSave = true; // also track 'was shown' property
}
return QObject::eventFilter( obj, event ); // standard event processing
}
};
class MainWindowSetting : public GuiSetting
{
QMainWindow * const m_window;
public:
MainWindowSetting( QMainWindow *window, const char *path ) : GuiSetting( path ), m_window( window ){
if( const QByteArray state = qsettings().value( m_path, QByteArray() ).toByteArray(); !state.isEmpty() )
m_window->restoreState( state );
else
m_window->showMaximized();
}
void save() const override {
qsettings().setValue( m_path, m_window->saveState() );
}
};
class SplitterSetting : public GuiSetting
{
QSplitter * const m_splitter;
public:
SplitterSetting( QSplitter *splitter, const char *path, const QList<int> &sizes ) : GuiSetting( path ), m_splitter( splitter ){
if( const QByteArray state = qsettings().value( m_path, QByteArray() ).toByteArray(); !state.isEmpty() )
m_splitter->restoreState( state );
else
m_splitter->setSizes( sizes );
}
void save() const override {
qsettings().setValue( m_path, m_splitter->saveState() );
}
};
GuiSettings::~GuiSettings(){
for( auto setting : m_settings )
delete setting;
}
void GuiSettings::save(){
for( const auto setting : m_settings )
setting->save();
}
void GuiSettings::addWindow( QWidget *window, const char *path, int w /* = 0 */, int h /* = 0 */, int x /* = 0 */, int y /* = 0 */ ){
m_settings.push_back( new WindowSetting( window, path, w, h, x, y ) );
}
void GuiSettings::addMainWindow( QMainWindow *window, const char *path ){
m_settings.push_back( new MainWindowSetting( window, path ) );
}
void GuiSettings::addSplitter( QSplitter *splitter, const char *path, const QList<int> &sizes ){
m_settings.push_back( new SplitterSetting( splitter, path, sizes ) );
}