add screenshots

.github/workflows/test_and_deploy.yml

@@ -93,6 +93,17 @@ jobs:
       - name: Coverage
         uses: codecov/codecov-action@v1
 
+      - name: Screenshots
+        run: |
+          pip install . ${{ matrix.backend }}
+          python examples/screenshots.py
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: screenshots
+          path: screenshots
+
+
   deploy:
     # this will run when you have tagged a commit, starting with "v*"
     # and requires that you have put your twine API key in your

examples/screenshots.py

@@ -0,0 +1,35 @@
+import pathlib
+from itertools import product
+
+from pyqrangeslider import QRangeSlider
+from pyqrangeslider.qtcompat.QtCore import Qt
+from pyqrangeslider.qtcompat.QtWidgets import QApplication
+
+dest = pathlib.Path("screenshots")
+dest.mkdir(exist_ok=True)
+
+app = QApplication([])
+
+orientations = ("horizontal", "vertical")
+ticks = ("NoTicks", "TicksAbove", "TicksBelow")
+
+variants = [
+    # (min, max), orient, ticks,
+    ((20, 80), "horizontal"),
+    ((20, 80), "vertical"),
+]
+
+for orient, tick in product(orientations, ticks):
+    slider = QRangeSlider(getattr(Qt, orient.title()))
+    slider.setRange(0, 100)
+    slider.setValue((20, 80))
+    slider.setTickPosition(getattr(slider, tick))
+    slider.activateWindow()
+    if orient == "horizontal":
+        slider.setFixedWidth(300)
+    else:
+        slider.setFixedHeight(200)
+    app.processEvents()
+    fname = dest / f"grab_{orient[:1]}_{tick}.png"
+    slider.grab().save(str(fname))
+    slider.close()