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Minor cleanups of the qt4 embedding examples. #8714

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Merged
merged 1 commit into from
Jun 5, 2017
Merged

Minor cleanups of the qt4 embedding examples. #8714

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16 changes: 7 additions & 9 deletions examples/user_interfaces/embedding_in_qt4_sgskip.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,22 +14,20 @@
"""

from __future__ import unicode_literals
import sys
import os
import random
from matplotlib.backends import qt_compat
use_pyside = qt_compat.QT_API == qt_compat.QT_API_PYSIDE
if use_pyside:
from PySide import QtGui, QtCore
else:
from PyQt4 import QtGui, QtCore
import sys

from numpy import arange, sin, pi
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas

import matplotlib
matplotlib.use("Qt4Agg")
from matplotlib.backends.backend_qt4agg import (
FigureCanvasQTAgg as FigureCanvas)
from matplotlib.backends.qt_compat import QtCore, QtGui
from matplotlib.figure import Figure

progname = os.path.basename(sys.argv[0])
progversion = "0.1"


class MyMplCanvas(FigureCanvas):
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28 changes: 9 additions & 19 deletions examples/user_interfaces/embedding_in_qt4_wtoolbar_sgskip.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,46 +9,38 @@
import sys

import numpy as np

import matplotlib
matplotlib.use("Qt4Agg")
from matplotlib.figure import Figure
from matplotlib.backend_bases import key_press_handler
from matplotlib.backends.backend_qt4agg import (
FigureCanvasQTAgg as FigureCanvas,
NavigationToolbar2QT as NavigationToolbar)
from matplotlib.backends import qt_compat
use_pyside = qt_compat.QT_API == qt_compat.QT_API_PYSIDE

if use_pyside:
from PySide.QtCore import *
from PySide.QtGui import *
else:
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from matplotlib.backends.qt_compat import QtCore, QtGui
from matplotlib.figure import Figure


class AppForm(QMainWindow):
class AppForm(QtGui.QMainWindow):
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
#self.x, self.y = self.get_data()
QtGui.QMainWindow.__init__(self, parent)
self.data = self.get_data2()
self.create_main_frame()
self.on_draw()

def create_main_frame(self):
self.main_frame = QWidget()
self.main_frame = QtGui.QWidget()

self.fig = Figure((5.0, 4.0), dpi=100)
self.canvas = FigureCanvas(self.fig)
self.canvas.setParent(self.main_frame)
self.canvas.setFocusPolicy(Qt.StrongFocus)
self.canvas.setFocusPolicy(QtCore.Qt.StrongFocus)
self.canvas.setFocus()

self.mpl_toolbar = NavigationToolbar(self.canvas, self.main_frame)

self.canvas.mpl_connect('key_press_event', self.on_key_press)

vbox = QVBoxLayout()
vbox = QtGui.QVBoxLayout()
vbox.addWidget(self.canvas) # the matplotlib canvas
vbox.addWidget(self.mpl_toolbar)
self.main_frame.setLayout(vbox)
Expand All @@ -60,9 +52,7 @@ def get_data2(self):
def on_draw(self):
self.fig.clear()
self.axes = self.fig.add_subplot(111)
#self.axes.plot(self.x, self.y, 'ro')
self.axes.imshow(self.data, interpolation='nearest')
#self.axes.plot([1,2,3])
self.canvas.draw()

def on_key_press(self, event):
Expand All @@ -73,7 +63,7 @@ def on_key_press(self, event):


def main():
app = QApplication(sys.argv)
app = QtGui.QApplication(sys.argv)
form = AppForm()
form.show()
app.exec_()
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