146 lines
3.8 KiB
C++
146 lines
3.8 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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#pragma once
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#include <QCompleter>
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#include <QStringListModel>
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#include <QObject>
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#include <QLineEdit>
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#include <QEvent>
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#include "generic/static.h"
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#include "signal/isignal.h"
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#include "shaderlib.h"
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#include "texwindow.h"
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template<typename StringList>
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class EntryCompletion : public QObject
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{
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QCompleter* m_completer{};
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QStringListModel* m_model{};
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bool m_invalid = true;
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public:
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~EntryCompletion(){
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delete m_completer;
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}
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void connect( QLineEdit* entry ){
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if ( m_completer == nullptr ) {
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m_completer = new QCompleter;
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m_model = new QStringListModel( m_completer );
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m_completer->setModel( m_model );
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m_completer->setCaseSensitivity( Qt::CaseSensitivity::CaseInsensitive );
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StringList().connect( InvalidateCaller( *this ) );
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}
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entry->setCompleter( m_completer );
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entry->installEventFilter( this );
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}
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void append( const char* string ){
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if( m_model->insertRow( m_model->rowCount() ) ){
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m_model->setData( m_model->index( m_model->rowCount() - 1 ), string );
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}
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}
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typedef MemberCaller1<EntryCompletion, const char*, &EntryCompletion::append> AppendCaller;
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void fill(){
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StringList().forEach( AppendCaller( *this ) );
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m_invalid = false;
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}
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void clear(){
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m_model->removeRows( 0, m_model->rowCount() );
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}
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void update(){
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if( m_invalid ){
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clear();
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fill();
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}
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}
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void invalidate(){
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m_invalid = true;
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}
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typedef MemberCaller<EntryCompletion, &EntryCompletion::invalidate> InvalidateCaller;
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protected:
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bool eventFilter( QObject *obj, QEvent *event ) override {
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if( event->type() == QEvent::FocusIn ) {
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update();
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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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/* loaded ( shaders + textures ) */
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class TextureNameList
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{
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public:
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void forEach( const ShaderNameCallback& callback ) const {
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for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
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{
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const IShader *shader = QERApp_ActiveShaders_IteratorCurrent();
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if ( shader_equal_prefix( shader->getName(), "textures/" ) ) {
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callback( shader->getName() + 9 );
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}
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}
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}
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void connect( const SignalHandler& update ) const {
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TextureBrowser_addActiveShadersChangedCallback( update );
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}
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};
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typedef Static< EntryCompletion<TextureNameList> > GlobalTextureEntryCompletion;
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/* shaders + loaded textures */
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class AllShadersNameList
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{
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public:
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void forEach( const ShaderNameCallback& callback ) const {
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GlobalShaderSystem().foreachShaderName( callback );
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}
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void connect( const SignalHandler& update ) const {
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TextureBrowser_addActiveShadersChangedCallback( update );
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}
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};
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typedef Static< EntryCompletion<AllShadersNameList> > GlobalAllShadersEntryCompletion;
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/* shaders + may also include plain textures, loaded before first use */
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class ShaderList
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{
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public:
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void forEach( const ShaderNameCallback& callback ) const {
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GlobalShaderSystem().foreachShaderName( callback );
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}
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void connect( const SignalHandler& update ) const {
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TextureBrowser_addShadersRealiseCallback( update );
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}
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};
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typedef Static< EntryCompletion<ShaderList> > GlobalShaderEntryCompletion;
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