netradiant-custom/libs/gtkutil/nonmodal.h

117 lines
3.6 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
*/
#pragma once
#include "lineedit.h"
#include "spinbox.h"
#include <QTimer>
#include "generic/callback.h"
class NonModalEntry : public LineEdit
{
bool m_editing{};
Callback m_apply;
Callback m_cancel;
public:
NonModalEntry( const Callback& apply, const Callback& cancel ) : LineEdit(), m_apply( apply ), m_cancel( cancel ){
QObject::connect( this, &QLineEdit::textEdited, [this](){ m_editing = true; } );
// triggered on enter & focus out; need to track editing state, as nonedited triggers this too
QObject::connect( this, &QLineEdit::editingFinished, [this](){
if( m_editing ){
m_apply();
m_editing = false;
}
clearFocus();
} );
}
protected:
bool event( QEvent *event ) override {
if( event->type() == QEvent::ShortcutOverride ){
QKeyEvent *keyEvent = static_cast<QKeyEvent *>( event );
if( keyEvent->key() == Qt::Key_Escape ){
m_editing = false;
m_cancel();
event->accept();
// defer clearFocus(); as immediately done after certain actions = cursor visible + not handling key input
QTimer::singleShot( 0, [this](){ clearFocus(); } );
}
else if( keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter ){
m_editing = true; // on Enter m_apply() is always wanted, since not every selected instance necessarily has shown property applied
}
}
return LineEdit::event( event );
}
void focusInEvent( QFocusEvent *event ) override {
if( event->reason() == Qt::FocusReason::MouseFocusReason )
QTimer::singleShot( 0, [this](){ selectAll(); } );
QLineEdit::focusInEvent( event );
}
};
class NonModalSpinner : public DoubleSpinBox
{
using DoubleSpinBox::DoubleSpinBox;
bool m_editing{};
Callback m_apply;
Callback m_cancel;
public:
void setCallbacks( const Callback& apply, const Callback& cancel ){
m_apply = apply;
m_cancel = cancel;
// triggered on enter & focus out; need to track editing state, as nonedited triggers this too
QObject::connect( this, &QAbstractSpinBox::editingFinished, [this](){
if( m_editing ){
m_editing = false;
m_apply();
}
clearFocus();
} );
QObject::connect( lineEdit(), &QLineEdit::textEdited, [this](){
m_editing = true;
} );
}
bool event( QEvent *event ) override {
if( event->type() == QEvent::ShortcutOverride ){
QKeyEvent *keyEvent = static_cast<QKeyEvent *>( event );
if( keyEvent->key() == Qt::Key_Escape ){
m_editing = false;
m_cancel();
clearFocus();
event->accept();
}
else if( keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter ){
m_editing = true; // on Enter m_apply() is always wanted, since not every selected instance necessarily has shown property applied
}
}
return DoubleSpinBox::event( event );
}
void stepBy( int steps ) override {
DoubleSpinBox::stepBy( steps );
m_editing = false;
m_apply();
}
};