split images tab stuff in ImagesTab

text editor: fixed modified flag not being set to false when loading an empty file

1 files changed, 91 insertions, 0 deletions

diff --git a/src/modinfodialogimages.cpp b/src/modinfodialogimages.cpp
new file mode 100644
index 00000000..4f2ee78c
--- /dev/null
+++ b/src/modinfodialogimages.cpp
@@ -0,0 +1,91 @@
+#include "modinfodialogimages.h"
+#include "ui_modinfodialog.h"
+
+ThumbnailButton::ThumbnailButton(const QString& fullPath, QImage original)
+  : m_original(std::move(original))
+{
+  const auto ratio = static_cast<double>(m_original.width()) / m_original.height();
+
+  QImage thumbnail;
+  if (ratio > 1.34) {
+    thumbnail = m_original.scaledToWidth(128);
+  } else {
+    thumbnail = m_original.scaledToHeight(96);
+  }
+
+  setIcon(QPixmap::fromImage(thumbnail));
+  setIconSize(QSize(thumbnail.width(), thumbnail.height()));
+
+  connect(this, &QPushButton::clicked, [&]{ emit open(m_original); });
+}
+
+const QImage& ThumbnailButton::image() const
+{
+  return m_original;
+}
+
+
+ImagesTab::ImagesTab(Ui::ModInfoDialog* ui)
+  : ui(ui)
+{
+}
+
+void ImagesTab::clear()
+{
+  ui->imageLabel->setPixmap({});
+
+  while (ui->imageThumbnails->count() > 0) {
+    auto* item = ui->imageThumbnails->takeAt(0);
+    delete item->widget();
+    delete item;
+  }
+}
+
+bool ImagesTab::feedFile(const QString& rootPath, const QString& fullPath)
+{
+  static constexpr const char* extensions[] = {
+    ".png", ".jpg"
+  };
+
+  for (const auto* e : extensions) {
+    if (fullPath.endsWith(e, Qt::CaseInsensitive)) {
+      add(fullPath);
+      return true;
+    }
+  }
+
+  return false;
+}
+
+void ImagesTab::add(const QString& fullPath)
+{
+  QImage image = QImage(fullPath);
+
+  if (image.isNull()) {
+    qWarning() << "ImagesTab: '" << fullPath << "' is not a valid image";
+    return;
+  }
+
+  auto* button = new ThumbnailButton(fullPath, std::move(image));
+
+  QObject::connect(
+    button, &ThumbnailButton::open,
+    [&](const QImage& image){ onOpen(image); });
+
+  ui->imageThumbnails->addWidget(button);
+}
+
+void ImagesTab::onOpen(const QImage& original)
+{
+  QImage image;
+
+  const auto ratio = static_cast<double>(original.width()) / original.height();
+
+  if (ratio > 1.34) {
+    image = original.scaledToWidth(ui->imageLabel->geometry().width());
+  } else {
+    image = original.scaledToHeight(ui->imageLabel->geometry().height());
+  }
+
+  ui->imageLabel->setPixmap(QPixmap::fromImage(image));
+}