From bdfb388fb234a157191343fb81c1b3cbc565391d Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sat, 16 Jan 2021 16:35:58 -0500
Subject: [PATCH 1/2] add progress bar

---
 magicgui/backends/_qtpy/__init__.py |  2 ++
 magicgui/backends/_qtpy/widgets.py  | 20 ++++++++++++++++++--
 magicgui/widgets/__init__.py        |  2 ++
 magicgui/widgets/_concrete.py       |  5 +++++
 4 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/magicgui/backends/_qtpy/__init__.py b/magicgui/backends/_qtpy/__init__.py
index b08fc5c60..8ab4f6b59 100644
--- a/magicgui/backends/_qtpy/__init__.py
+++ b/magicgui/backends/_qtpy/__init__.py
@@ -8,6 +8,7 @@
     FloatSpinBox,
     Label,
     LineEdit,
+    ProgressBar,
     PushButton,
     RadioButton,
     Slider,
@@ -28,6 +29,7 @@
     "FloatSpinBox",
     "Label",
     "LineEdit",
+    "ProgressBar",
     "PushButton",
     "RadioButton",
     "Slider",
diff --git a/magicgui/backends/_qtpy/widgets.py b/magicgui/backends/_qtpy/widgets.py
index e17ef539d..26e9ead01 100644
--- a/magicgui/backends/_qtpy/widgets.py
+++ b/magicgui/backends/_qtpy/widgets.py
@@ -319,8 +319,8 @@ def _mgui_set_value(self, value) -> None:
 class Slider(QBaseRangedWidget, _protocols.SupportsOrientation):
     _qwidget: QtW.QSlider
 
-    def __init__(self):
-        super().__init__(QtW.QSlider)
+    def __init__(self, qwidg=QtW.QSlider):
+        super().__init__(qwidg)
         self._mgui_set_orientation("horizontal")
 
     def _mgui_set_orientation(self, value) -> Any:
@@ -334,6 +334,22 @@ def _mgui_get_orientation(self) -> Any:
         return "vertical" if orientation == Qt.Vertical else "horizontal"
 
 
+class ProgressBar(Slider):
+    _qwidget: QtW.QProgressBar
+
+    def __init__(self):
+        super().__init__(QtW.QProgressBar)
+        self._mgui_set_orientation("horizontal")
+
+    def _mgui_get_step(self) -> float:
+        """Get the step size."""
+        return 1
+
+    def _mgui_set_step(self, value: float):
+        """Set the step size."""
+        pass
+
+
 class ComboBox(QBaseValueWidget, _protocols.CategoricalWidgetProtocol):
     _qwidget: QtW.QComboBox
 
diff --git a/magicgui/widgets/__init__.py b/magicgui/widgets/__init__.py
index ac27d673b..1bc90a71c 100644
--- a/magicgui/widgets/__init__.py
+++ b/magicgui/widgets/__init__.py
@@ -25,6 +25,7 @@
     LineEdit,
     LiteralEvalLineEdit,
     LogSlider,
+    ProgressBar,
     PushButton,
     RadioButton,
     RangeEdit,
@@ -68,6 +69,7 @@
     "LiteralEvalLineEdit",
     "LogSlider",
     "PushButton",
+    "ProgressBar",
     "RadioButton",
     "RangeEdit",
     "SliceEdit",
diff --git a/magicgui/widgets/_concrete.py b/magicgui/widgets/_concrete.py
index a61ccee7f..1961658fa 100644
--- a/magicgui/widgets/_concrete.py
+++ b/magicgui/widgets/_concrete.py
@@ -201,6 +201,11 @@ class FloatSpinBox(RangedWidget):
     """A widget to edit a float with clickable up/down arrows."""
 
 
+@backend_widget
+class ProgressBar(SliderWidget):
+    """A progress bar widget."""
+
+
 @backend_widget
 class Slider(SliderWidget):
     """A slider widget to adjust an integer value within a range."""

From 87597239708b3d4e337994374bd25263c79c1a4d Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sat, 16 Jan 2021 16:36:54 -0500
Subject: [PATCH 2/2] add to docs

---
 docs/api/widgets.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/api/widgets.md b/docs/api/widgets.md
index 0c2ef4294..c1389eeba 100644
--- a/docs/api/widgets.md
+++ b/docs/api/widgets.md
@@ -64,6 +64,7 @@ Slider Widgets
    Slider
    FloatSlider
    LogSlider
+   ProgressBar
 
 Categorical Widgets
 -------------------