1 files changed, 29 insertions, 0 deletions
diff --git a/lib/utils/icons.py b/lib/utils/icons.py
new file mode 100644
index 00000000..492d88ce
--- /dev/null
+++ b/lib/utils/icons.py
@@ -0,0 +1,29 @@
+import os
+
+import wx
+
+from .paths import get_resource_dir
+
+
+def is_dark_theme():
+    return wx.SystemSettings().GetAppearance().IsDark()
+
+
+def load_icon(icon_name, window=None, width=None, height=None):
+    if window is None and not (width and height):
+        raise ValueError("load_icon(): must pass a window or width and height")
+
+    icon = wx.Image(os.path.join(get_resource_dir("icons"), f"{icon_name}.png"))
+
+    if not (width and height):
+        render = wx.RendererNative.Get()
+        width = height = render.GetHeaderButtonHeight(window)
+    icon.Rescale(width, height, wx.IMAGE_QUALITY_HIGH)
+
+    if is_dark_theme():
+        # only way I've found to get a negative image
+        data = icon.GetDataBuffer()
+        for i in range(len(data)):
+            data[i] = 255 - data[i]
+
+    return icon.ConvertToBitmap()