3b38e5f924
The LWJGL list actually doesn't use tasks for loading. Instead, it takes advantage of the QNetworkAccessManager's asynchronous requests. This is a system that I may look to implement for other version lists and things such as the Minecraft version list and possibly even instance mod lists. Loading things this way means that code that wants to load a list can simply call the load list function, rather than having to get a task from the list and execute the task. Unfortunately, it also means we can't have task progress dialogs for loading lists, but it shouldn't really be too difficult to write one that works with this system. At some point in the future, I'll probably end up putting all the code for this method of loading lists into a base class and then update the other lists to support it.
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/* Copyright 2013 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "lwjglselectdialog.h"
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#include "ui_lwjglselectdialog.h"
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#include "lwjglversionlist.h"
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LWJGLSelectDialog::LWJGLSelectDialog(QWidget *parent) :
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QDialog(parent),
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ui(new Ui::LWJGLSelectDialog)
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{
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ui->setupUi(this);
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ui->labelStatus->setVisible(false);
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ui->lwjglListView->setModel(&LWJGLVersionList::get());
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connect(&LWJGLVersionList::get(), SIGNAL(loadingStateUpdated(bool)), SLOT(loadingStateUpdated(bool)));
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connect(&LWJGLVersionList::get(), SIGNAL(loadListFailed(QString)), SLOT(loadingFailed(QString)));
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loadingStateUpdated(LWJGLVersionList::get().isLoading());
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}
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LWJGLSelectDialog::~LWJGLSelectDialog()
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{
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delete ui;
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}
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QString LWJGLSelectDialog::selectedVersion() const
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{
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return LWJGLVersionList::get().data(
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ui->lwjglListView->selectionModel()->currentIndex(),
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Qt::DisplayRole).toString();
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}
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void LWJGLSelectDialog::on_refreshButton_clicked()
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{
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if (!LWJGLVersionList::get().isLoading())
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LWJGLVersionList::get().loadList();
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}
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void LWJGLSelectDialog::loadingStateUpdated(bool loading)
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{
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setEnabled(!loading);
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if (loading)
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{
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ui->labelStatus->setText("Loading LWJGL version list...");
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ui->labelStatus->setStyleSheet("QLabel { color: black; }");
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}
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ui->labelStatus->setVisible(loading);
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}
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void LWJGLSelectDialog::loadingFailed(QString error)
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{
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ui->labelStatus->setText(error);
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ui->labelStatus->setStyleSheet("QLabel { color: red; }");
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ui->labelStatus->setVisible(true);
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}
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