New UI Redesign in pyqt6 (#56)

* Initial commit for new UI

* Initial commit for new UI

* WIP

* Status bar updates and has an icon for online / offline

* Add log_viewer.py

* Use JSON for delete_engine_download API

* Fix class issue with Downloaders

* Move Config class to new ui

* Add engine_browser.py

* Add a close event handler to the main window

* Fix issue with engine manager not deleting engines properly

* Rearrange all the files

* Add icons and resources

* Cache system info in RenderServerProxy

* Toolbar polish

* Fix resource path in status bar

* Add config_dir to misc_helper.py

* Add try block to zeroconf setup

* Add add_job.py

* Add raw args to add_job.py

src/ui/widgets/proportional_image_label.py

@@ -0,0 +1,40 @@
+from PyQt6.QtCore import QRectF
+from PyQt6.QtGui import QPainter
+from PyQt6.QtWidgets import QLabel
+
+
+class ProportionalImageLabel(QLabel):
+    def __init__(self):
+        super().__init__()
+
+    def setPixmap(self, pixmap):
+        self._pixmap = pixmap
+        super().setPixmap(self._pixmap)
+
+    def paintEvent(self, event):
+        if self._pixmap.isNull():
+            super().paintEvent(event)
+            return
+
+        painter = QPainter(self)
+        targetRect = event.rect()
+
+        # Calculate the aspect ratio of the pixmap
+        aspectRatio = self._pixmap.width() / self._pixmap.height()
+
+        # Calculate the size of the pixmap within the target rectangle while maintaining the aspect ratio
+        if aspectRatio > targetRect.width() / targetRect.height():
+            scaledWidth = targetRect.width()
+            scaledHeight = targetRect.width() / aspectRatio
+        else:
+            scaledHeight = targetRect.height()
+            scaledWidth = targetRect.height() * aspectRatio
+
+        # Calculate the position to center the pixmap within the target rectangle
+        x = targetRect.x() + (targetRect.width() - scaledWidth) / 2
+        y = targetRect.y() + (targetRect.height() - scaledHeight) / 2
+
+        sourceRect = QRectF(0.0, 0.0, self._pixmap.width(), self._pixmap.height())
+        targetRect = QRectF(x, y, scaledWidth, scaledHeight)
+
+        painter.drawPixmap(targetRect, self._pixmap, sourceRect)