1 files changed, 80 insertions, 0 deletions
diff --git a/src/gui/exportdialog.cpp b/src/gui/exportdialog.cpp
new file mode 100644
index 0000000..2d0d8a0
--- /dev/null
+++ b/src/gui/exportdialog.cpp
@@ -0,0 +1,80 @@
+#include "exportdialog.h"
+#include "ui_exportdialog.h"
+
+#include "tikzit.h"
+
+ExportDialog::ExportDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::ExportDialog)
+{
+    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);
+    }
+}
+
+ExportDialog::~ExportDialog()
+{
+    delete ui;
+}
+
+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()
+{
+
+}
+
+void ExportDialog::on_fileFormat_currentIndexChanged(int f)
+{
+    ui->width->setEnabled(f != PDF);
+    ui->height->setEnabled(f != PDF);
+}