[qt] Forum Topics

Iam designing a circular progress bar for my application. iam getting some example code which implements circular progress bar using PyQt4. I tried to convert the PyQt4 code in to PySide code which suits my application. but when i try to run the code iam getting error. plz help me …

Hey, I am in desperate need of some assistance with this Baffles coding. I do not know where to begin and I am completely confused with the instructions https://www.daniweb.com/programming/software-development/threads/324780/baffle-game-c#js-quick-reply the link above is a link to the old thread as a reference. I am using the c++ language and the …

from PyQt5 import QtCore, QtGui, QtWidgets # Import the PyQt5 module we'll need import sys # We need sys so that we can pass argv to QApplication import design # This file holds our MainWindow and all design related things # it also keeps events etc that we defined in …

Hello, so im trying to use PyQt5 on my windows 7 but I might not be doing it right or something. So ive done `pip install SIP` and `pip install pyqt5`. Following [this](http://projects.skylogic.ca/blog/how-to-install-pyqt5-and-build-your-first-gui-in-python-3-4/) post, Ive done `from PyQt5 import QtCore, QtGui, QtWidget` and I should have a **designer.exe** somewhere for …

I've downloaded the file "qt-unified-windows-x86-3.0.0-online.exe" and installed Qt and I've also downloaded and unpacked the file "PyQt5_gpl-5.9.zip". I'm using Python 3.6 but I can't figure out where to drop the extracted PyQt5 files. I can't find a Python directory anywhere on my C: drive except for under my home directory. …

Hello, I am trying to add a feature to a lab I am working on where I have to have a way to show images of the 20 pen widths the Easy Paint Lab can do. I am trying to use a ComboBox from Qt in order to do that. …

Hi all, I am developing a Qt Gui application. Here I have a Qtreeewidget that has a list of Qtreeewidgetitems. I also have a qtablewidget beside it which displays some information when any item present in the list is clicked/selected.When the content of any of the cell in the tablewidget …

[CODE]# -*- coding: utf-8 -*- from PyQt4 import QtGui from PyQt4.QtCore import * import sys import os class VideosToMp3(QtGui.QWidget): def __init__(self, parent = None): super(VideosToMp3, self).__init__(parent) ''' Labels and GUI ''' extension = QtGui.QWidget() download_label = QtGui.QLabel("Enter YouTube video URL:") self.download_line_edit = QtGui.QLineEdit() file_label = QtGui.QLabel("Enter file name (optional):") self.file_line_edit …

hello, Using Python 2.7, PyQt4, Qt Designer, and used pyuic4... I think thats it... windows 7? I have a GUI i created in Qt Designer. It has one button and one LCD number. I was trying to get the button to start and reset a timer, and have the elapsed …

I had created my Qt C++ application and now I am thinking to provide it as a plugin or as library in Eclipse. I know there is CDT plugin, but I don't won't to write my code again. Is there any way to achieve this? Snippet for QPushbutton in qt …

Hi Guys, I wanna know how to change a label's text thats in a different form when the user presses a button in the mainform, I have heard about the Signals and Slots thing but not experienced enough to understand that, Please Help Me!

hi all i am new in qt/c++ i am trying to build a program with database using QTableView QLineEdit QComboBox.. the LineEdit shows a valiu the records filtered by that valiu.. now the ComboBox displays somenames with valius and what i want is that when i change the valius in …

Hello! I was wondering if anybody could help me with something. I'm writing off-line banking application. I already have a code in Python and now I need to write window aplication for it. How should I begin? I wrote some simple code for main window in PyQt. But I dont …

I am working on the qt opengl application for drawing a tree and getting the following error. Any idea would be appreciated. :-1: error: No rule to make target 'debugwidgetbase.ui', needed by 'ui_debugwidgetbase.h'. Stop.

My dears , I have a opengl c++ program that works fine in the vs2013 and draws tree. Now I want to use that program in the qt gui open gl project. I know how to make gui program and add classes and headers. But I do not know how …

I'm currently creating the game checkers(draughts) and have problem moving the pieces on the board. So far I have all the pieces on one side of the board ready where each piece is it's own function. For the pieces to move i've created a function called mousePressEvent. It takes the …

I'm Oliver, a developer in C++ mostly, but i often use php javascript SQL for my projects, I also use Qt Framework a lot. I like to deal with servers networking stuff. Thanks for the forum. hope I'll find helpfull information...

Hello!!I have a database and I want to display its data into a QTreeView in PyQt.The database's column has file paths.I have a problem in filling this treeview with data because it's a database and I'm not sure if it is like working with txt files and because it is …

Hello!First of all,I'm so sorry for this huge post!!I wrote the whole code from the book,that's why the post is so big!!I'm reading this book : Rapid Gui Programming with Python and Qt.And I have problem understanding some parts of the code.I would be really thankful if someone could help …

Here's what I need to accomplish. So any help on this would be absolutely magnificent. I've programmed in WinAPI32, but for fast development I'm looking to use QT IDE in order to connect to an SQL database. I need to run queries on addresses for stored patience. The address is …

so I've reverse-engineered Tkinter's tkfiledialog functions askopenfilename and asksaveasfilename to figure out how they work: import Tkinter class Open: "Ask for a filename to open" def __init__(self, master=None, **options): self.master, self.options = master, options if not master and options.get('parent'): self.master = options['parent'] def _fixoptions(self): try: self.options["filetypes"] = tuple(self.options["filetypes"]) # make …

Hi all I have a qt application in which I have a QTreewidget that displays some content in the QTextBrowser. I set the contents for the html document in the textbrowser using the setHtml() function. All I want now is to fetch the url of this html document so that …

hi all, How I can use librairy c++ in Qt creator

I have this as my major code #!/usr/bin/env python # # @author: Joseph Rex # @website: http://josephrex.me # @repository: http://github.com/bl4ckdu5t/registron # # # import sys, webbrowser from PyQt4 import QtGui, QtCore from ui_registron import Ui_MainWindow try: import pyttsx except ImportError: raise ImportError, "pyttsx module is required for speech features of …

Hello, So I'm having trouble figuring out what the correct syntax is for a function with a return type that is a template type and is within a namespace. Anyone see anything wrong with the code below? -------.HPP file: #pragma once #ifndef EC_UTIL_H #define EC_UTIL_H #include "../CommonHeaders.hpp" #include "../core/common/APVertex.hpp" #include …

I have a horizontal layout inside which i have added a group box. The group box is split using a QSplitter and contain a QListWidget and a QTextBrowser. I want to add two push buttons at the bottom right corner of the window to navigate inside the QTextBrowser. I'm adding …

All the images those i added in resources of qt project , now i have lost those .. but those are available in "qrc_qresources.cpp" file in any other form (i think 'hexa' ) .. i want to extract images to original form .png .jpg etc .. plx help

[Click Here](http://s27.postimg.org/syqganxir/New_Bitmap_Image.png) "Having a container of pointers raises the question of how to destroy it. If you simply "do the right thing" and define a FilmList destructor that visits each of its pointers and deletes it, you must then worry about client code that contains a function with a FilmList …

hello i download qt sdk and started the qt creator and tried to do a simple empty project but it says The program has unexpectedly finished on the error list and i tried many examples but same thing happens , im using windows 7 x64 homepremium and mingw as a …

Hi All, I´m using a QTextBrowser to display an external html document (and its image resources) which is placed in the same directory as the application. Everything works fine except that images are not displayed properly. Instead of the actual picture there is a "missing image" icon. I tried different …

Hello I use MinGW 4.8.2 and Qt IDE i tried to use `gprof`, I added the following flags QMAKE_CXXFLAGS_DEBUG += -pg QMAKE_LFLAGS_DEBUG += -pg to `.pro` file and extarcted the `gmon.out` file but i don't know how to convert it to a `.txt` file. the document say gprof options [executable-file …

Hi All, 1)It's easy to create a window in QT that the user can resize, but when they make the window bigger, all the contents stay where they were in the top left hand corner. They don't grow with the window. 2)Also when the window is launched the size of …

Hi, I have a Qt based tool and I want to add a QtWidget(button) in the gui which will act as a help button for my tool just like the windows help button for any application. The help button when pressed should display some text information in the form of …

Hi, I have a problem with a code i have done but i just a problem..If u look at what i have attached and try to run it..It gave me a problem as i am meant to have a menu which is meant to show something inside it but the …

so I have this example, which I've slightly modded to get the simplicities out of the way: from PyQt4 import QtGui, QtCore HORIZONTAL_HEADERS = ("Surname", "Given Name") class person_class(object): ''' a trivial custom data object ''' def __init__(self, sname, fname, isMale): self.sname = sname self.fname = fname self.isMale = isMale …

First am I missing any other notable ones? I only want to know about crossplatform standalone source-based modules, so no Gui IDEs. Tkinter Pyjamas wxPython PyGObject (Gtk's successor) Qt I already know that `Tkinter` is the default so it is the obvious choice for crossplatform because of its licensing and …

Wikipedia page on DVDVideoSoft says it's written in C++ Qt and C#. So my question is this : in particular regarding the above mentioned product and in general what's written (or should be written) in C++Qt and what in C#?

I am new to Qt and I'm trying to connect a remote database. QSqlDatabase db = QSqlDatabase::addDatabase( "QMYSQL" ); db.setHostName("IP ADRESS"); // local or IP db.setPort(3306); // Default port is 3306 db.setUserName("DB USER"); // example root db.setPassword("PASSWORD"); db.setDatabaseName("DB NAME"); if( !db.open() ) { qDebug() << db.lastError(); qFatal( "Failed to connect." …

There are tips on how to install Boost with Visual Studio, there are tips on how to install Boost with Qt , so my questions is : is it possible to install and later work with Boost with the two IDE's mentioned above ( I have them both on my …

hi all i am using debian and installed sudo apt-get install mesa-common-dev and found this problem moc_mainwindow.o -L/home/damb/Qt5.2.1/5.2.1/gcc/lib -lQt5Widgets -lQt5Gui -lQt5Core -lGL -lpthread /usr/bin/ld: cannot find -lGL collect2: error: ld returned 1 exit status make: *** [a] Error 1 20:41:04: The process "/usr/bin/make" exited with code 2. Error while building/deploying …

hi there, is there any type of small/mini project which deals with serial communication interface based on object oriented approach? Because later, I will use QT designer to build it. Thanks.

Hi, Is there a Python 3.x library that does mostly what a File Manager (Nautilus, Windows Explorer, PCmanFM, etc) does? I would like the typical features, mime programs launch in the native os, navigation and some GUI file pickers provide some of this. I don't think I can just invoke …

When I try to compile the program at the bottom this is what I get. `-> qtprogram.cpp:1:24: fatal error: QApplication: No such file or directory` I got this code from a C++ QT book and I'm compiling this on Linux with this command. `-> g++ -g -Wall "${ARG}" -o "${ARG:: …

i made a project using visual studio and opencv ,it worked fine. however later i thought of adding GUI. i googled and found abput QT.some how i managed to include libraries and build paths,when i use **C fucntions of opencv** the program works fine but when i use ***c++ features …

Hi there, I am interested in qt creator version 5.01 by using c++. Is there any simple manufacturing problem example that can be done by using this software? Just a sample enough for me. Thank you

Hi, Anyone have a detailed install procedure of QT with ODB on Windows ? Thanks

Hi Daniweb community! I just want to ask how, in general, video capturing works in Windows. Also what libraries that I can use? I would want to use Qt as GUI library. I'm sorry if the question is not clear. I still don't know how to ask this question. Thank …

I am using Qt5.2.1 and I made a program that stores some data into a file and then reads the data. it stores some variables values. After I restart my program... I want to read those values and re-store the values of those variables... How can I do this? I …

I am using Qt 5.2.1 and I made a program that takes some values and saves them on a text file. What I want is that everybody can see this file and read the content but nobody can edit it. To edit it, you would have to run the program …