I have a page set up in PYQT5 Designer, when opened normally on the screen it looks god so I tried to save to PDF.
from PyQt5 import QtCore, QtWidgets, QtGui
from PyQt5.QtWidgets import QApplication, QFileDialog, QWidget, QMainWindow, QComboBox,
from PyQt5.QtPrintSupport import QPrinter
from export_pdf_ui import *
import sys
class MainWindow(QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args,**kwargs)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.export()
def export(self):
printer = QPrinter(QPrinter.HighResolution)
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setOutputFileName("test.pdf")
printer.setPaperSize(QPrinter.A4)
printer.setPageSize(QPrinter.A4)
printer.setFullPage(True)
self.ui.centralwidget.render(printer)
app = QApplication(sys.argv)
window = MainWindow()
window.show()
app.exec_()
It works fine and outputs a PDF file, but the content is tiny and in the corner and you can't really read it even when fully zoomed in. How do I make it fill the whole page? or is it a design issue? it looks good on the screen
Try creating the printer with QPrinter::ScreenResolution rather than QPrinter.HighResolution.
I had a similar problem printing a QTextDocument to a physical printer which I created with QPrinter::HighResolution. If I called QTextDocument::setPageSize to eliminate page numbers, the output on paper would be about 50mm wide. I don't know if you are running into the same issue, but for me, the final piece of my puzzle was the resolution I created the QPrinter object with.
Related
I was just creating my window in the Qt Designer, when I had finished it I noticed that even opening it from a .py file, the maximize and restore buttons in the title bar are disabled, they appear in there but I can't click it. I am using Windows 10 by the way. It appears like this:
enter image description here
I found some solutions using:
self.setWindowFlag(Qt.WindowMaximizeButtonHint) self.setWindowFlag(Qt.WindowMinimizeButtonHint)
but they don't work in my case.
Here's the complete code:
from PyQt5 import QtWidgets, uic
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtMultimedia import *
import sys
class mainWindow(QtWidgets.QMainWindow):
def __init__(self):
super(mainWindow, self).__init__()
uic.loadUi('mainMenu.ui', self)
self.show()
self.setWindowFlag(Qt.WindowMaximizeButtonHint)
self.setWindowFlag(Qt.WindowMinimizeButtonHint)
app = QtWidgets.QApplication(sys.argv)
window = mainWindow()
app.exec_()
hello world i am trying to get a QLineEdit to work as a user Input witch they are suppose to type in a song name. after the song name is entered i am wanting that song to start playing after the click the play button everything is working fine other then the part where they can type in what ever song they want in that folder. the problem is im not sure on how to make the QlineEdit word and update everytime someone thing is entered into the text box here is my code hopefully someone can help me out Thanks in advance!
import sys
import webbrowser
import random
import time
import os
import subprocess
from PyQt4.QtCore import QSize, QTimer, SIGNAL
from PyQt4.QtGui import QApplication,QScrollBar,QLineEdit , QDialog , QFormLayout ,QGraphicsRectItem , QMainWindow, QPushButton, QWidget, QIcon, QLabel, QPainter, QPixmap, QMessageBox, QAction, QKeySequence, QFont, QFontMetrics, QMovie
from PyQt4 import QtGui
import vlc
#----|Imports End|----#
class UIWindow(QWidget):
def __init__(self, parent=None):
super(UIWindow, self).__init__(parent)
self.resize(QSize(400, 450))
self.Play = QPushButton('Play', self)
self.Play.resize(100,40)
self.Play.move(45, 100)#
self.Pause = QPushButton('Pause', self)
self.Pause.resize(100,40)
self.Pause.move(260, 100)#
self.Tbox = QLineEdit('Song name',self)
self.Tbox.resize(400,25)
self.Tbox.move(0,50)
self.Play.clicked.connect(self.PlayB)
self.Pause.clicked.connect(self.PauseB)
self.Flask = vlc.MediaPlayer("C:\Users\Matt\Music\\"+str(self.Tbox.text())+".mp3")
def PlayB(self):
self.Flask.play()
def PauseB(self):
self.Flask.stop()
class MainWindow(QMainWindow,):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setGeometry(745 ,350 , 400, 450)
self.setFixedSize(400, 450)
self.startUIWindow()
def startUIWindow(self):
self.Window = UIWindow(self)
self.setWindowTitle("HELP ME!")
self.setCentralWidget(self.Window)
self.show()
if __name__ == '__main__':
app = QApplication(sys.argv)
w = MainWindow()
sys.exit(app.exec_())
You can easily get text with QLineEdit.text() method.
Or same way set text with QLineEdit.setText() method
If you want to connect it to QTextEdit You can connect it with .textChanged signal which is emited from QTextEdit everytime text changes.
The same way how you use .clicked signal you can use this one as:
QTextEdit.textChanged.connect(your_method_to_put_text_somewhere_else)
I am trying to create a GUI for my python program. One of the tools that I need is a text input box.
Now, I want a text label for this box saying "Please insert texts." Is there a function to add a label that shows inside the input textbox as default and disappear when user click the box to type?
I don't mind to use qt designer or pyqt5 coding.
Thank you guys.
placeholderText : QString
This property holds the line edit's placeholder text
import sys
from PyQt5.QtWidgets import QLineEdit, QVBoxLayout, QApplication, QWidget
class Test(QWidget):
def __init__(self):
super().__init__()
self.lineEdit = QLineEdit(placeholderText="Please insert texts.") # <---
vbox = QVBoxLayout(self)
vbox.addWidget(self.lineEdit)
if __name__ == '__main__':
app = QApplication(sys.argv)
w = Test()
w.show()
sys.exit(app.exec_())
I am begginer like you and my English is not so good. But I recommend you use Qt Designer. It's easier, fastter for you draw your app. I am using pyside2 project and recommend you read docummentatio each widgets you wanna use in PySide2 project and Qt Project. Try code below
enter image description here
import sys
from PySide2.QtWidgets import QApplication
from PySide2.QtWidgets import QDialog
from PySide2.QtWidgets import QTextEdit
from PySide2.QtWidgets import QVBoxLayout
from PySide2.QtCore import Qt
class MainDialog(QDialog):
def __init__(self, parent=None):
super(MainDialog, self).__init__(parent)
# Create Widget TextEdit
self.text = QTextEdit()
# I think that you wanna this function in your program
# https://doc.qt.io/qtforpython/PySide2/QtWidgets/QLineEdit.html?highlight=qlineedit#PySide2.QtWidgets.PySide2.QtWidgets.QLineEdit.setPlaceholderText
# http://doc.qt.io/qt-5/qlineedit.html#placeholderText-prop
self.text.setPlaceholderText('''Yes! this is exactly what I want!
Thank you, what if you have a big text box (more than 10 lines) and
you want to scale up the place holder and align it in center?? ''')
# https://doc.qt.io/qtforpython/PySide2/QtWidgets/QLineEdit.html?highlight=qlineedit#PySide2.QtWidgets.PySide2.QtWidgets.QLineEdit.setAlignment
# http://doc.qt.io/qt-5/qlineedit.html#alignment-prop
self.text.setAlignment(Qt.AlignCenter)
# Layout
layout = QVBoxLayout()
layout.addWidget(self.text)
self.setLayout(layout)
def main():
app = QApplication()
mainDialog = MainDialog()
mainDialog.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
I want to insert video in blue box(ui image) but I don't know how to insert video file.
My code is here.
I don't know how to add video... Just know example that make video player ...
import sys
from PyQt5 import QtWidgets
from PyQt5 import QtGui
from PyQt5 import uic
from PyQt5 import QtCore
from PyQt5.QtCore import QDir, Qt, QUrl, pyqtSlot
from PyQt5.QtMultimedia import QMediaContent, QMediaPlayer
from PyQt5.QtMultimediaWidgets import QVideoWidget
from PyQt5.QtWidgets import (QApplication, QFileDialog, QHBoxLayout, QLabel,
QPushButton, QSizePolicy, QSlider, QStyle, QVBoxLayout, QWidget)
dir_audience=''
dir_movie = ''
dir_export = ''
select_emotion = 'happy'
class Form(QtWidgets.QDialog):
def __init__(self, parent=None):
QtWidgets.QDialog.__init__(self, parent)
self.ui = uic.loadUi("highlight_export_form.ui", self)
self.ui.show()
self.ui.load_audience.clicked.connect(self.load_audience_clicked)
self.ui.load_movie.clicked.connect(self.load_movie_clicked)
self.ui.start_recog.clicked.connect(self.start_recog_clicked)
self.ui.radio_happy.toggled.connect(self.on_radio_button_toggled)
self.ui.radio_surprised.toggled.connect(self.on_radio_button_toggled)
def load_audience_clicked(self, event):
dir_audience, _ = QFileDialog.getOpenFileName(self, "Open Audience", QDir.homePath())
self.path_audience.setText(dir_audience)
def load_movie_clicked(self, event):
dir_movie, _ = QFileDialog.getOpenFileName(self, "Open Movie", QDir.homePath())
self.path_movie.setText(dir_movie)
def start_recog_clicked(self, event):
self.check_1.setText("start_recognition")
def on_radio_button_toggled(self):
if self.radio_happy.isChecked():
select_emotion='happy'
self.check_3.setText(select_emotion)
elif self.radio_surprised.isChecked():
select_emotion='surprised'
self.check_3.setText(select_emotion)
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
w = Form()
sys.exit(app.exec())
Thank you for reading my question.
Qt Designer does not show all the Qt widget, and often we want to add our own widget through Qt, for that there are at least 2 solutions, the first is to create a plugin and load it to Qt Designer, and the other is simpler. promote the widget, the latter is what I will show in this answer.
For this you must make certain minimum changes, I do not know what type of widget is the one you use in the blue box but you must change it to the Widget type that is in the sub-menu of the containers as shown in the following image:
after them you must right click on the widget and select Promote to ..., then a dialogue will appear, in the part of Promoted class name you must place QVideoWidget, and in the part of Header File you must place PyQt5.QtMultimediaWidgets, then press the add button and then Promote:
After that you will be able to use QVideoWidget within your application.
In the following link there is an example
Answer from here was clearer to me:
QWebKit was removed in Qt 5.6. So QWebView is no longer available. Use QWebEngineView as a replacement. In Qt Designer, just add a QWidget to your form and promote it to QWebEngineView (base class: QWidget, header: QWebEngineView). Don't forget to add webenginewidgets to your project file.
Simlar issue: want add QWebEngineView into Qt Designer
for later PySide6 to import and use .ui, exported by Qt Designer
Solution: add QWidget then Promoted to QWebEngineView
Steps
drag a new QWidget into your main ui (window)
right click QWidget -> Promoted to
new popup window, input
Base class Name: QWidget
Promoted class Name: QWebEngineView
Header File: PySide6.QtWebEngineWidgets
== parent class
Global Include: not selected
-> Screenshot
click: Add
click: Promote
Why is the layout shrinking like this and other times going back to normal?
I've created several separate UI files in QtDesigner, one is the MainWindow and the other is a widget for Loading Data.
In order to work with these files, I've created separate child classes of each UI file. In order to add a new widget to the MainWindow I've created a addWidget() function; it works by adding a particular widget to the scrollarea layout. You can see this function in MainWindow.py
Here is the code for __main__.py
import multiprocessing as mp
import os.path
import sys
import time
from PyQt5 import QtGui
from PyQt5 import QtWidgets
from PyQt5.QtCore import *
from PyQt5.QtGui import QPixmap
from PyQt5.QtWidgets import *
from point_spectra_gui.future_.functions import *
from point_spectra_gui.future_.util import delete
from point_spectra_gui.future_.util.excepthook import my_exception_hook
def new():
p = mp.Process(target=main, args=())
p.start()
def connectWidgets(ui):
ui.actionLoad_Data.triggered.connect(lambda: ui.addWidget(LoadData.Ui_Form))
def main():
sys._excepthook = sys.excepthook
sys.excepthook = my_exception_hook
app = QtWidgets.QApplication(sys.argv)
mainWindow = QtWidgets.QMainWindow()
ui = MainWindow.Ui_MainWindow()
ui.setupUi(mainWindow)
connectWidgets(ui)
mainWindow.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
Here is the code for MainWindow.py
from PyQt5 import QtWidgets
from point_spectra_gui.future_.functions import *
from point_spectra_gui.future_.util import *
from point_spectra_gui.ui import MainWindow
class Ui_MainWindow(MainWindow.Ui_MainWindow):
def setupUi(self, MainWindow):
self.MainWindow = MainWindow
super().setupUi(MainWindow) # Run the basic window UI
self.menu_item_shortcuts() # set up the shortcuts
def addWidget(self, object):
widget = object()
widget.setupUi(self.scrollArea)
self.widgetLayout = QtWidgets.QVBoxLayout()
self.widgetLayout.setObjectName("widgetLayout")
self.verticalLayout_3.addLayout(self.widgetLayout)
self.widgetLayout.addWidget(widget.get_widget())
def menu_item_shortcuts(self):
self.actionExit.setShortcut("ctrl+Q")
self.actionCreate_New_Workflow.setShortcut("ctrl+N")
self.actionOpen_Workflow.setShortcut("ctrl+O")
self.actionRestore_Workflow.setShortcut("ctrl+R")
self.actionSave_Current_Workflow.setShortcut("ctrl+S")
Here is the code of the child class LoadData.py
from PyQt5 import QtWidgets
from point_spectra_gui.ui.LoadData import Ui_loadData
class Ui_Form(Ui_loadData):
def setupUi(self, Form):
super().setupUi(Form)
self.connectWidgets()
def get_widget(self):
return self.groupBox
def connectWidgets(self):
self.newFilePushButton.clicked.connect(lambda: self.on_getDataButton_clicked())
# self.get_data_line_edit.textChanged.connect(lambda: self.get_data_params())
# self.dataname.textChanged.connect(lambda: self.get_data_params())
def on_getDataButton_clicked(self):
filename, _filter = QtWidgets.QFileDialog.getOpenFileName(None, "Open Data File", '.', "(*.csv)")
self.fileNameLineEdit.setText(filename)
if self.fileNameLineEdit.text() == "":
self.fileNameLineEdit.setText("*.csv")
**Edit
Upon trying this again and then shrinking the window. The layout goes back to normal.
This to me tells me it's not a problem with my code, it's the way the Qt handles the adding of widgets. I still do not understand why this is happening though. So any insight into how this is happening is very much appreciated.
This problem is with the Form.resize() inside the generated code.
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(400, 300)
To fix this you'll need to go into QtDesigner and set the geometry back to it's default the Layout size by clicking the red circled item.
This, in essence, deletes the resize method call
You can then convert again with pyuic