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