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Bump minimum QT5 version to 5.12#25363

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Merged
ksunden merged 1 commit intomatplotlib:mainfromoscargus:pyqt5cleanups
Jul 15, 2023
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4 changes: 4 additions & 0 deletionsdoc/api/next_api_changes/development/25363-OG.rst
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,4 @@
Support for Qt<5.12 has been dropped
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
... as there are no wheels or conda packages that support both Qt 5.11 (or
older) and Python 3.9 (or newer).
50 changes: 24 additions & 26 deletionslib/matplotlib/backends/backend_qt.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -14,14 +14,14 @@
from . import qt_compat
from .qt_compat import (
QtCore, QtGui, QtWidgets, __version__, QT_API,
_enum,_to_int, _isdeleted, _maybe_allow_interrupt
_to_int, _isdeleted, _maybe_allow_interrupt
)


# SPECIAL_KEYS are Qt::Key that do *not* return their Unicode name
# instead they have manually specified names.
SPECIAL_KEYS = {
_to_int(getattr(_enum("QtCore.Qt.Key"), k)): v for k, v in [
_to_int(getattr(QtCore.Qt.Key, k)): v for k, v in [
("Key_Escape", "escape"),
("Key_Tab", "tab"),
("Key_Backspace", "backspace"),
Expand DownExpand Up@@ -66,8 +66,8 @@
# Elements are (Qt::KeyboardModifiers, Qt::Key) tuples.
# Order determines the modifier order (ctrl+alt+...) reported by Matplotlib.
_MODIFIER_KEYS = [
(_to_int(getattr(_enum("QtCore.Qt.KeyboardModifier"), mod)),
_to_int(getattr(_enum("QtCore.Qt.Key"), key)))
(_to_int(getattr(QtCore.Qt.KeyboardModifier, mod)),
_to_int(getattr(QtCore.Qt.Key, key)))
for mod, key in [
("ControlModifier", "Key_Control"),
("AltModifier", "Key_Alt"),
Expand All@@ -76,7 +76,7 @@
]
]
cursord = {
k: getattr(_enum("QtCore.Qt.CursorShape"), v) for k, v in [
k: getattr(QtCore.Qt.CursorShape, v) for k, v in [
(cursors.MOVE, "SizeAllCursor"),
(cursors.HAND, "PointingHandCursor"),
(cursors.POINTER, "ArrowCursor"),
Expand DownExpand Up@@ -142,7 +142,6 @@ def _create_qApp():
app.setWindowIcon(icon)
app.lastWindowClosed.connect(app.quit)
cbook._setup_new_guiapp()

if qt_version == 5:
app.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps)

Expand DownExpand Up@@ -184,7 +183,7 @@ class FigureCanvasQT(FigureCanvasBase, QtWidgets.QWidget):
manager_class = _api.classproperty(lambda cls: FigureManagerQT)

buttond = {
getattr(_enum("QtCore.Qt.MouseButton"), k): v for k, v in [
getattr(QtCore.Qt.MouseButton, k): v for k, v in [
("LeftButton", MouseButton.LEFT),
("RightButton", MouseButton.RIGHT),
("MiddleButton", MouseButton.MIDDLE),
Expand All@@ -202,8 +201,7 @@ def __init__(self, figure=None):
self._draw_rect_callback = lambda painter: None
self._in_resize_event = False

self.setAttribute(
_enum("QtCore.Qt.WidgetAttribute").WA_OpaquePaintEvent)
self.setAttribute(QtCore.Qt.WidgetAttribute.WA_OpaquePaintEvent)
self.setMouseTracking(True)
self.resize(*self.get_width_height())

Expand DownExpand Up@@ -554,7 +552,7 @@ def __init__(self, canvas, num):
# StrongFocus accepts both tab and click to focus and will enable the
# canvas to process event without clicking.
# https://doc.qt.io/qt-5/qt.html#FocusPolicy-enum
self.canvas.setFocusPolicy(_enum("QtCore.Qt.FocusPolicy").StrongFocus)
self.canvas.setFocusPolicy(QtCore.Qt.FocusPolicy.StrongFocus)
self.canvas.setFocus()

self.window.raise_()
Expand DownExpand Up@@ -634,9 +632,8 @@ def __init__(self, canvas, parent=None, coordinates=True):
"""coordinates: should we show the coordinates on the right?"""
QtWidgets.QToolBar.__init__(self, parent)
self.setAllowedAreas(QtCore.Qt.ToolBarArea(
_to_int(_enum("QtCore.Qt.ToolBarArea").TopToolBarArea) |
_to_int(_enum("QtCore.Qt.ToolBarArea").BottomToolBarArea)))

_to_int(QtCore.Qt.ToolBarArea.TopToolBarArea) |
_to_int(QtCore.Qt.ToolBarArea.BottomToolBarArea)))
self.coordinates = coordinates
self._actions = {} # mapping of toolitem method names to QActions.
self._subplot_dialog = None
Expand All@@ -659,11 +656,12 @@ def __init__(self, canvas, parent=None, coordinates=True):
if self.coordinates:
self.locLabel = QtWidgets.QLabel("", self)
self.locLabel.setAlignment(QtCore.Qt.AlignmentFlag(
_to_int(_enum("QtCore.Qt.AlignmentFlag").AlignRight) |
_to_int(_enum("QtCore.Qt.AlignmentFlag").AlignVCenter)))
_to_int(QtCore.Qt.AlignmentFlag.AlignRight) |
_to_int(QtCore.Qt.AlignmentFlag.AlignVCenter)))

self.locLabel.setSizePolicy(QtWidgets.QSizePolicy(
_enum("QtWidgets.QSizePolicy.Policy").Expanding,
_enum("QtWidgets.QSizePolicy.Policy").Ignored,
QtWidgets.QSizePolicy.Policy.Expanding,
QtWidgets.QSizePolicy.Policy.Ignored,
))
labelAction = self.addWidget(self.locLabel)
labelAction.setVisible(True)
Expand All@@ -689,7 +687,7 @@ def _icon(self, name):
icon_color = self.palette().color(self.foregroundRole())
mask = pm.createMaskFromColor(
QtGui.QColor('black'),
_enum("QtCore.Qt.MaskMode").MaskOutColor)
QtCore.Qt.MaskMode.MaskOutColor)
pm.fill(icon_color)
pm.setMask(mask)
return QtGui.QIcon(pm)
Expand DownExpand Up@@ -793,8 +791,8 @@ def save_figure(self, *args):
except Exception as e:
QtWidgets.QMessageBox.critical(
self, "Error saving file", str(e),
_enum("QtWidgets.QMessageBox.StandardButton").Ok,
_enum("QtWidgets.QMessageBox.StandardButton").NoButton)
QtWidgets.QMessageBox.StandardButton.Ok,
QtWidgets.QMessageBox.StandardButton.NoButton)

def set_history_buttons(self):
can_backward = self._nav_stack._pos > 0
Expand DownExpand Up@@ -908,15 +906,15 @@ def __init__(self, toolmanager, parent=None):
ToolContainerBase.__init__(self, toolmanager)
QtWidgets.QToolBar.__init__(self, parent)
self.setAllowedAreas(QtCore.Qt.ToolBarArea(
_to_int(_enum("QtCore.Qt.ToolBarArea").TopToolBarArea) |
_to_int(_enum("QtCore.Qt.ToolBarArea").BottomToolBarArea)))
_to_int(QtCore.Qt.ToolBarArea.TopToolBarArea) |
_to_int(QtCore.Qt.ToolBarArea.BottomToolBarArea)))
message_label = QtWidgets.QLabel("")
message_label.setAlignment(QtCore.Qt.AlignmentFlag(
_to_int(_enum("QtCore.Qt.AlignmentFlag").AlignRight) |
_to_int(_enum("QtCore.Qt.AlignmentFlag").AlignVCenter)))
_to_int(QtCore.Qt.AlignmentFlag.AlignRight) |
_to_int(QtCore.Qt.AlignmentFlag.AlignVCenter)))
message_label.setSizePolicy(QtWidgets.QSizePolicy(
_enum("QtWidgets.QSizePolicy.Policy").Expanding,
_enum("QtWidgets.QSizePolicy.Policy").Ignored,
QtWidgets.QSizePolicy.Policy.Expanding,
QtWidgets.QSizePolicy.Policy.Ignored,
))
self._message_action = self.addWidget(message_label)
self._toolitems = {}
Expand Down
6 changes: 3 additions & 3 deletionslib/matplotlib/backends/backend_qtagg.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,9 +6,9 @@

from matplotlib.transforms import Bbox

from .qt_compat import QT_API,_enum
from .qt_compat import QT_API,QtCore, QtGui
from .backend_agg import FigureCanvasAgg
from .backend_qt importQtCore, QtGui,_BackendQT, FigureCanvasQT
from .backend_qt import _BackendQT, FigureCanvasQT
from .backend_qt import ( # noqa: F401 # pylint: disable=W0611
FigureManagerQT, NavigationToolbar2QT)

Expand DownExpand Up@@ -57,7 +57,7 @@ def paintEvent(self, event):

painter.eraseRect(rect) # clear the widget canvas
qimage = QtGui.QImage(ptr, buf.shape[1], buf.shape[0],
_enum("QtGui.QImage.Format").Format_RGBA8888)
QtGui.QImage.Format.Format_RGBA8888)
qimage.setDevicePixelRatio(self.device_pixel_ratio)
# set origin using original QT coordinates
origin = QtCore.QPoint(rect.left(), rect.top())
Expand Down
6 changes: 3 additions & 3 deletionslib/matplotlib/backends/backend_qtcairo.py
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Original file line numberDiff line numberDiff line change
@@ -1,8 +1,8 @@
import ctypes

from .backend_cairo import cairo, FigureCanvasCairo
from .backend_qt importQtCore, QtGui,_BackendQT, FigureCanvasQT
from .qt_compat import QT_API,_enum
from .backend_qt import _BackendQT, FigureCanvasQT
from .qt_compat import QT_API,QtCore, QtGui


class FigureCanvasQTCairo(FigureCanvasCairo, FigureCanvasQT):
Expand All@@ -28,7 +28,7 @@ def paintEvent(self, event):
ptr = buf
qimage = QtGui.QImage(
ptr, width, height,
_enum("QtGui.QImage.Format").Format_ARGB32_Premultiplied)
QtGui.QImage.Format.Format_ARGB32_Premultiplied)
# Adjust the buf reference count to work around a memory leak bug in
# QImage under PySide.
if QT_API == "PySide2" and QtCore.__version_info__ < (5, 12):
Expand Down
18 changes: 3 additions & 15 deletionslib/matplotlib/backends/qt_compat.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@
- otherwise, use whatever the rcParams indicate.
"""

import functools
import operator
import os
import platform
Expand DownExpand Up@@ -140,11 +139,11 @@ def _isdeleted(obj):
_version_info = tuple(QtCore.QLibraryInfo.version().segments())


if _version_info < (5,10):
if _version_info < (5,12):
raise ImportError(
f"The Qt version imported is "
f"{QtCore.QLibraryInfo.version().toString()} but Matplotlib requires "
f"Qt>=5.10")
f"Qt>=5.12")


# Fixes issues with Big Sur
Expand All@@ -155,17 +154,6 @@ def _isdeleted(obj):
os.environ.setdefault("QT_MAC_WANTS_LAYER", "1")


# PyQt6 enum compat helpers.


@functools.cache
def _enum(name):
# foo.bar.Enum.Entry (PyQt6) <=> foo.bar.Entry (non-PyQt6).
return operator.attrgetter(
name if QT_API == 'PyQt6' else name.rpartition(".")[0]
)(sys.modules[QtCore.__package__])


# Backports.


Expand DownExpand Up@@ -208,7 +196,7 @@ def _maybe_allow_interrupt(qapp):
wsock.setblocking(False)
old_wakeup_fd = signal.set_wakeup_fd(wsock.fileno())
sn = QtCore.QSocketNotifier(
rsock.fileno(),_enum('QtCore.QSocketNotifier.Type').Read
rsock.fileno(), QtCore.QSocketNotifier.Type.Read
)

# We do not actually care about this value other than running some
Expand Down
17 changes: 7 additions & 10 deletionslib/matplotlib/backends/qt_editor/_formlayout.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -49,8 +49,7 @@
from numbers import Integral, Real

from matplotlib import _api, colors as mcolors
from matplotlib.backends.qt_compat import (
QtGui, QtWidgets, QtCore, _enum, _to_int)
from matplotlib.backends.qt_compat import _to_int, QtGui, QtWidgets, QtCore

_log = logging.getLogger(__name__)

Expand All@@ -73,7 +72,7 @@ def __init__(self, parent=None):
def choose_color(self):
color = QtWidgets.QColorDialog.getColor(
self._color, self.parentWidget(), "",
_enum("QtWidgets.QColorDialog.ColorDialogOption").ShowAlphaChannel)
QtWidgets.QColorDialog.ColorDialogOption.ShowAlphaChannel)
if color.isValid():
self.set_color(color)

Expand DownExpand Up@@ -206,7 +205,7 @@ def get_font(self):
def is_edit_valid(edit):
text = edit.text()
state = edit.validator().validate(text, 0)[0]
return state ==_enum("QtGui.QDoubleValidator.State").Acceptable
return state == QtGui.QDoubleValidator.State.Acceptable


class FormWidget(QtWidgets.QWidget):
Expand DownExpand Up@@ -444,15 +443,13 @@ def __init__(self, data, title="", comment="",
# Button box
self.bbox = bbox = QtWidgets.QDialogButtonBox(
QtWidgets.QDialogButtonBox.StandardButton(
_to_int(
_enum("QtWidgets.QDialogButtonBox.StandardButton").Ok) |
_to_int(
_enum("QtWidgets.QDialogButtonBox.StandardButton").Cancel)
_to_int(QtWidgets.QDialogButtonBox.StandardButton.Ok) |
_to_int(QtWidgets.QDialogButtonBox.StandardButton.Cancel)
))
self.formwidget.update_buttons.connect(self.update_buttons)
if self.apply_callback is not None:
apply_btn = bbox.addButton(
_enum("QtWidgets.QDialogButtonBox.StandardButton").Apply)
QtWidgets.QDialogButtonBox.StandardButton.Apply)
apply_btn.clicked.connect(self.apply)

bbox.accepted.connect(self.accept)
Expand All@@ -477,7 +474,7 @@ def update_buttons(self):
valid = False
for btn_type in ["Ok", "Apply"]:
btn = self.bbox.button(
getattr(_enum("QtWidgets.QDialogButtonBox.StandardButton"),
getattr(QtWidgets.QDialogButtonBox.StandardButton,
btn_type))
if btn is not None:
btn.setEnabled(valid)
Expand Down
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