405 lines
12 KiB
C++
405 lines
12 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "editorlist.h"
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#include "editor.h"
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#include <QMessageBox>
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#include <QVariant>
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#include <mainwindow.h>
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#include <QFileInfo>
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#include "settings.h"
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#include "project.h"
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#include "systemconsts.h"
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#include <QApplication>
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EditorList::EditorList(QTabWidget* leftPageWidget,
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QTabWidget* rightPageWidget,
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QSplitter* splitter,
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QWidget* panel,
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QObject* parent):
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QObject(parent),
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mLayout(LayoutShowType::lstLeft),
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mLeftPageWidget(leftPageWidget),
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mRightPageWidget(rightPageWidget),
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mSplitter(splitter),
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mPanel(panel),
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mUpdateCount(0)
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{
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}
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Editor* EditorList::newEditor(const QString& filename, const QByteArray& encoding,
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bool inProject, bool newFile,
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QTabWidget* page) {
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QTabWidget * parentPageControl = nullptr;
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if (page == nullptr)
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parentPageControl = getNewEditorPageControl();
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else
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parentPageControl = page;
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if (fileExists(filename)) {
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pMainWindow->fileSystemWatcher()->addPath(filename);
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}
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Editor * e = new Editor(parentPageControl,filename,encoding,inProject,newFile,parentPageControl);
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connect(e, &Editor::renamed, this, &EditorList::onEditorRenamed);
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updateLayout();
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return e;
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}
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QTabWidget* EditorList::getNewEditorPageControl() const {
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return getFocusedPageControl();
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}
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QTabWidget* EditorList::getFocusedPageControl() const {
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//todo:
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switch(mLayout) {
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case LayoutShowType::lstLeft:
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return mLeftPageWidget;
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case LayoutShowType::lstRight:
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return mRightPageWidget;
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case LayoutShowType::lstBoth: {
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Editor* editor = dynamic_cast<Editor*>(mRightPageWidget->currentWidget());
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if (editor && editor->hasFocus())
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return mRightPageWidget;
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return mLeftPageWidget;
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}
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default:
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return nullptr;
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}
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}
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void EditorList::showLayout(LayoutShowType layout)
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{
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if (layout == mLayout)
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return;
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mLayout = layout;
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// Apply widths if layout does not change
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switch(mLayout) {
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case LayoutShowType::lstLeft:
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mLeftPageWidget->setVisible(true);
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mRightPageWidget->setVisible(false);
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break;
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case LayoutShowType::lstRight:
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mLeftPageWidget->setVisible(false);
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mRightPageWidget->setVisible(true);
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break;
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case LayoutShowType::lstBoth:
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mLeftPageWidget->setVisible(true);
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mRightPageWidget->setVisible(true);
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}
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}
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void EditorList::onEditorRenamed(const QString &oldFilename, const QString &newFilename, bool firstSave)
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{
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emit editorRenamed(oldFilename, newFilename, firstSave);
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}
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QTabWidget *EditorList::rightPageWidget() const
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{
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return mRightPageWidget;
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}
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QTabWidget *EditorList::leftPageWidget() const
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{
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return mLeftPageWidget;
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}
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Editor* EditorList::getEditor(int index, QTabWidget* tabsWidget) const {
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QTabWidget* selectedWidget;
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if (tabsWidget == nullptr) {
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selectedWidget = getFocusedPageControl();
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} else {
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selectedWidget = tabsWidget;
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}
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if (!selectedWidget)
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return nullptr;
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if (index == -1) {
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index = selectedWidget->currentIndex();
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}
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if (index<0 || index >= selectedWidget->count()) {
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return nullptr;
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}
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return (Editor*)selectedWidget->widget(index);
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}
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bool EditorList::closeEditor(Editor* editor, bool transferFocus, bool force) {
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if (editor == NULL)
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return false;
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if (force) {
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editor->save(true,false);
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} else if ( (editor->modified()) && (!editor->empty())) {
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// ask user if he wants to save
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QMessageBox::StandardButton reply;
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reply = QMessageBox::question(editor,QObject::tr("Save"),
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QString(QObject::tr("Save changes to %1?")).arg(editor->filename()),
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QMessageBox::Yes|QMessageBox::No|QMessageBox::Cancel);
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if (reply == QMessageBox::Cancel) {
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return false;
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} else if (reply == QMessageBox::Yes) {
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if (!editor->save(false,false)) {
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return false;
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}
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}
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}
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beginUpdate();
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auto end = finally([this] {
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this->endUpdate();
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});
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// if (transferFocus && (editor->pageControl()->currentWidget()==editor)) {
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// //todo: activate & focus the previous editor
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// }
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if (editor->inProject() && pMainWindow->project()) {
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int projIndex = pMainWindow->project()->indexInUnits(editor);
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if (projIndex>=0) {
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pMainWindow->project()->closeUnit(projIndex);
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}
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} else {
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if (pSettings->history().addToOpenedFiles(editor->filename())) {
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pMainWindow->rebuildOpenedFileHisotryMenu();
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}
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delete editor;
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}
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updateLayout();
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if (!force) {
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editor = getEditor();
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if (transferFocus && editor)
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editor->activate();
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else
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pMainWindow->updateClassBrowserForEditor(editor);
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}
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emit editorClosed();
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return true;
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}
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bool EditorList::swapEditor(Editor *editor)
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{
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Q_ASSERT(editor!=nullptr);
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beginUpdate();
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auto action = finally([this](){
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endUpdate();
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});
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//remember old index
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QTabWidget* fromPageControl = editor->pageControl();
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if (fromPageControl == mLeftPageWidget) {
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editor->setPageControl(mRightPageWidget);
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} else {
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editor->setPageControl(mLeftPageWidget);
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}
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updateLayout();
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editor->activate();
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return true;
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}
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void EditorList::beginUpdate() {
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if (mUpdateCount==0) {
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mPanel->setUpdatesEnabled(false);
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}
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mUpdateCount++;
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}
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void EditorList::endUpdate() {
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mUpdateCount--;
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if (mUpdateCount==0) {
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mPanel->setUpdatesEnabled(true);
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mPanel->update();
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}
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}
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void EditorList::applySettings()
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{
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for (int i=0;i<mLeftPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mLeftPageWidget->widget(i));
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e->applySettings();
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}
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for (int i=0;i<mRightPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mRightPageWidget->widget(i));
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e->applySettings();
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}
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}
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void EditorList::applyColorSchemes(const QString& name)
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{
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for (int i=0;i<mLeftPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mLeftPageWidget->widget(i));
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e->applyColorScheme(name);
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}
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for (int i=0;i<mRightPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mRightPageWidget->widget(i));
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e->applyColorScheme(name);
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}
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}
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bool EditorList::isFileOpened(const QString &name)
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{
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QFileInfo fileInfo(name);
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QString filename = fileInfo.absoluteFilePath();
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for (int i=0;i<mLeftPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mLeftPageWidget->widget(i));
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if (e->filename().compare(filename)==0 || e->filename().compare(name)==0)
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return true;
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}
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for (int i=0;i<mRightPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mRightPageWidget->widget(i));
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if (e->filename().compare(filename)==0 || e->filename().compare(name)==0)
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return true;
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}
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return false;
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}
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int EditorList::pageCount()
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{
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return mLeftPageWidget->count()+mRightPageWidget->count();
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}
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void EditorList::selectNextPage()
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{
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QTabWidget * pageControl = getFocusedPageControl();
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if (pageControl && pageControl->count()>0) {
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pageControl->setCurrentIndex(
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(pageControl->currentIndex()+1) % pageControl->count()
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);
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}
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}
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void EditorList::selectPreviousPage()
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{
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QTabWidget * pageControl = getFocusedPageControl();
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if (pageControl && pageControl->count()>0) {
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pageControl->setCurrentIndex(
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(pageControl->currentIndex()+pageControl->count()-1) % pageControl->count()
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);
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}
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}
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Editor *EditorList::operator[](int index)
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{
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if (index>=0 && index<mLeftPageWidget->count()) {
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return static_cast<Editor*>(mLeftPageWidget->widget(index));
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}
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index -= mLeftPageWidget->count();
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if (index>=0 && index<mRightPageWidget->count()) {
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return static_cast<Editor*>(mRightPageWidget->widget(index));
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}
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return nullptr;
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}
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bool EditorList::closeAll(bool force) {
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// beginUpdate();
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// auto end = finally([this] {
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// this->endUpdate();
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// });
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while (mLeftPageWidget->count()>0) {
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if (!closeEditor(getEditor(0,mLeftPageWidget),false,force)) {
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return false;
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}
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}
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while (mRightPageWidget->count()>0) {
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if (!closeEditor(getEditor(0,mRightPageWidget),false,force)) {
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return false;
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}
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}
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return true;
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}
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void EditorList::forceCloseEditor(Editor *editor)
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{
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beginUpdate();
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delete editor;
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// Force layout update when creating, destroying or moving editors
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updateLayout();
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endUpdate();
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emit editorClosed();
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}
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Editor* EditorList::getOpenedEditorByFilename(QString filename)
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{
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if (filename.isEmpty())
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return nullptr;
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QFileInfo fileInfo(filename);
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QString fullname = fileInfo.absoluteFilePath();
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for (int i=0;i<mLeftPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mLeftPageWidget->widget(i));
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if (e->filename().compare(filename, PATH_SENSITIVITY)==0 ||
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e->filename().compare(fullname, PATH_SENSITIVITY)==0) {
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return e;
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}
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}
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for (int i=0;i<mRightPageWidget->count();i++) {
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Editor* e = static_cast<Editor*>(mRightPageWidget->widget(i));
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if (e->filename().compare(filename)==0 || e->filename().compare(fullname)==0) {
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return e;
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}
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}
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return nullptr;
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}
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Editor *EditorList::getEditorByFilename(QString filename)
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{
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if (filename.isEmpty())
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return nullptr;
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//check if an editor is already openned
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Editor* e=getOpenedEditorByFilename(filename);
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if (e!=nullptr)
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return e;
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//Todo: check if is in the project
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//Create a new editor
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QFileInfo fileInfo(filename);
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QString fullname = fileInfo.absoluteFilePath();
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if (fileInfo.exists())
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return newEditor(fullname,ENCODING_AUTO_DETECT,false,false);
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return nullptr;
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}
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bool EditorList::getContentFromOpenedEditor(const QString &filename, QStringList &buffer)
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{
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Editor * e= getOpenedEditorByFilename(filename);
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if (!e)
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return false;
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buffer = e->contents();
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return true;
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}
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void EditorList::getVisibleEditors(Editor *&left, Editor *&right)
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{
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switch(mLayout) {
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case LayoutShowType::lstLeft:
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left = getEditor(-1,mLeftPageWidget);
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right = nullptr;
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break;
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case LayoutShowType::lstRight:
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left = nullptr;
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right = getEditor(-1,mRightPageWidget);
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break;
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case LayoutShowType::lstBoth:
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left = getEditor(-1,mLeftPageWidget);
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right = getEditor(-1,mRightPageWidget);
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break;
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}
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}
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void EditorList::updateLayout()
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{
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if (mRightPageWidget->count() == 0)
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showLayout(LayoutShowType::lstLeft);
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else if (mLeftPageWidget->count() ==0)
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showLayout(LayoutShowType::lstRight);
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else
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showLayout(LayoutShowType::lstBoth);
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}
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