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Diffstat (limited to 'src/gui/exportdialog.cpp')
| -rw-r--r-- | src/gui/exportdialog.cpp | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/gui/exportdialog.cpp b/src/gui/exportdialog.cpp new file mode 100644 index 0000000..bd1ef53 --- /dev/null +++ b/src/gui/exportdialog.cpp @@ -0,0 +1,194 @@ +/* + TikZiT - a GUI diagram editor for TikZ + Copyright (C) 2018 Aleks Kissinger + + This program 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 3 of the License, or + (at your option) any later version. + + This program 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 this program. If not, see <https://www.gnu.org/licenses/>. +*/ + +#include "exportdialog.h" +#include "ui_exportdialog.h" + +#include "tikzit.h" + +#include <QFileDialog> +#include <QSettings> +#include <QStandardPaths> + +ExportDialog::ExportDialog(QWidget *parent) : + QDialog(parent), + ui(new Ui::ExportDialog) +{ + QSettings settings("tikzit", "tikzit"); + ui->setupUi(this); + + QIntValidator *v = new QIntValidator(this); + v->setBottom(1); + ui->width->setValidator(v); + ui->height->setValidator(v); + connect(ui->width, SIGNAL(editingFinished()), + this, SLOT(setHeightFromWidth())); + connect(ui->height, SIGNAL(editingFinished()), + this, SLOT(setWidthFromHeight())); + + PdfDocument *doc = tikzit->previewWindow()->doc(); + if (doc) { + QSize size = doc->size() * 4; + ui->width->blockSignals(true); + ui->height->blockSignals(true); + ui->width->setText(QString::number(size.width())); + ui->height->setText(QString::number(size.height())); + ui->width->blockSignals(false); + ui->height->blockSignals(false); + } + + if (!settings.value("previous-export-file-format").isNull()) { + ui->fileFormat->setCurrentIndex(settings.value("previous-export-file-format").toInt()); + } + + // set a default export file + QString path = (!settings.value("previous-export-file-path").isNull()) ? + settings.value("previous-export-file-path").toString() : + QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation); + + QString suffix; + switch (ui->fileFormat->currentIndex()) { + case PNG: suffix = ".png"; break; + case JPG: suffix = ".jpg"; break; + case PDF: suffix = ".pdf"; break; + } + + QString fileName; + int i = 0; + bool exists = true; + while (exists) { + fileName = path + "/tikzit_image" + QString::number(i) + suffix; + exists = QFileInfo::exists(fileName); + ++i; + } + ui->filePath->setText(QDir::toNativeSeparators(fileName)); +} + +ExportDialog::~ExportDialog() +{ + delete ui; +} + +QString ExportDialog::filePath() +{ + return ui->filePath->text(); +} + +QSize ExportDialog::size() +{ + return QSize(ui->width->text().toInt(), + ui->height->text().toInt()); +} + +ExportDialog::Format ExportDialog::fileFormat() +{ + return static_cast<Format>(ui->fileFormat->currentIndex()); +} + +void ExportDialog::accept() +{ + QSettings settings("tikzit", "tikzit"); + QFileInfo fi(filePath()); + settings.setValue("previous-export-file-path", fi.absolutePath()); + settings.setValue("previous-export-file-format", fileFormat()); + QDialog::accept(); +} + +void ExportDialog::setHeightFromWidth() +{ + if (ui->keepAspect->isChecked()) { + PdfDocument *doc = tikzit->previewWindow()->doc(); + if (doc == nullptr || doc->size().width() == 0 || doc->size().height() == 0) return; + int w = ui->width->text().toInt(); + int h = (w * doc->size().height()) / doc->size().width(); + + ui->height->blockSignals(true); + ui->height->setText(QString::number(h)); + ui->height->blockSignals(false); + } +} + +void ExportDialog::setWidthFromHeight() +{ + if (ui->keepAspect->isChecked()) { + PdfDocument *doc = tikzit->previewWindow()->doc(); + if (doc == nullptr || doc->size().width() == 0 || doc->size().height() == 0) return; + int h = ui->height->text().toInt(); + int w = (h * doc->size().width()) / doc->size().height(); + + ui->width->blockSignals(true); + ui->width->setText(QString::number(w)); + ui->width->blockSignals(false); + } +} + +void ExportDialog::on_keepAspect_stateChanged(int state) +{ + if (state == Qt::Checked) setHeightFromWidth(); +} + +void ExportDialog::on_browseButton_clicked() +{ + QSettings settings("tikzit", "tikzit"); + + QString suffix; + switch (ui->fileFormat->currentIndex()) { + case PNG: suffix = "png"; break; + case JPG: suffix = "jpg"; break; + case PDF: suffix = "pdf"; break; + } + + QFileDialog dialog; + dialog.setDefaultSuffix(suffix); + dialog.setWindowTitle(tr("Export File Path")); + dialog.setAcceptMode(QFileDialog::AcceptSave); + dialog.setNameFilter(ui->fileFormat->currentText()); + dialog.setFileMode(QFileDialog::AnyFile); + dialog.setLabelText(QFileDialog::Accept, "Select"); + + QFileInfo fi(ui->filePath->text()); + if (!fi.absolutePath().isEmpty()) { + dialog.setDirectory(fi.absolutePath()); + dialog.selectFile(fi.baseName()); + } + + dialog.setOption(QFileDialog::DontUseNativeDialog); + + if (dialog.exec()) { + ui->filePath->setText(QDir::toNativeSeparators(dialog.selectedFiles()[0])); + } +} + +void ExportDialog::on_fileFormat_currentIndexChanged(int f) +{ + ui->width->setEnabled(f != PDF); + ui->height->setEnabled(f != PDF); + ui->keepAspect->setEnabled(f != PDF); + + QString path = ui->filePath->text(); + if (!path.isEmpty()) { + QRegularExpression re("\\.[^.]*$"); + switch (f) { + case PNG: path.replace(re, ".png"); break; + case JPG: path.replace(re, ".jpg"); break; + case PDF: path.replace(re, ".pdf"); break; + } + + ui->filePath->setText(path); + } +} |