459 Topics
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 | Hey Everyone, I have run into a bit of a problem with regards to application startup... I have written a C++ application with QT libraries that uses active QT to communicate with our ERP system in our business, the requirements are that any application we use needs to communicate its …  |
 | #ifndef FILM_H #define FILM_H #include <QString> class Film { protected: QString title; double dailyRate; public: Film(QString ti,double dr); QString getTitle() const; virtual double calculateRental(int num)const; }; class Video: public Film { public: Video(QString ti,double dr,QString vt,int d); QString getTitle() const; QString getVideoType() const; virtual double calculateRental(int num)const; protected: QString videoType; … |
 | hey i have this code when starting the Process to make database it freeze at all what should i do? # -*- coding: utf-8 -*- from PyQt4 import QtCore, QtGui import sys try: _fromUtf8 = QtCore.QString.fromUtf8 except AttributeError: _fromUtf8 = lambda s: s class Ui_Dialog(object): def setupUi(self, Dialog): Dialog.setObjectName(_fromUtf8("Dialog")) Dialog.resize(400, … |
 | i'm making this function that replaces single slashes in a path with doubles slashes. It works for everything but slashes because I gotta use doubleslashes to specify a single slash so how do I refer to double slashes. QString AddDoubleSlashtoPath(QString Path){ QStringList splitup=Path.split("//") ;/*supposed to be a single slash*/ QString … |
| | This app I finally got the splashscreen to the way i want it, but when I run the .exe from the explorer the splashscreen loses its transparency and has a white background replacing the glow; In when the compiler runs it directly after it builds it look exactly how it … |
| | I'm trying to seem if(t3.alive) is not ever entered. It successfully goes through t1 and t2 if statment but skips over three. I've tried the do while, while (like seen). I would think if t3 is still alive the loop would still go then once it's not, its out but … |
| | I would like to study the source codes of openCV and reimplement them by the boost generic image library, I hope the algorithms developed by GIL could be integrated with Qt seamlessly. There are many libraries of image processing and I don't need to implement them again if I only … |
| | #include <QApplication> #include <QLabel> #include <QVBoxLayout> #include <QTextEdit> #include <QWidget> int main (int argc, char* argv[]) { QApplication app (argc, argv); QWidget window; QLabel* label = new QLabel("Please enter some text"); QTextEdit* textEdit = new QTextEdit; QVBoxLayout* layout = new QVBoxLayout; layout->addwidget(label); layout->addwidget(textEdit); window.setLayout(layout); window.show; return app.exec(); } 1.Qt provides … |
| | Hii friends, In my QT code am using style sheet for radio button as below "QRadioButton::indicator:checked {image: url(" + strCheckedRadioButtonImagePath + ");}"\ It works fine and image is loaded but the problem is when i select the radio button a rectangle shaped dotted lines are appearing around radio button.Its the … |
| | Code blocks are created by indenting at least 4 spaces ... and can span multiple lines class Wizard : public QDialog { Q_OBJECT public: Wizard(QWidget *parent); private slots: void what_ever(); private: QPushButton *what_ever; }; Wizard::Wizard( QWidget *parent ) : QDialog(parent) { QGridLayout *layout = new QGridLayout( this ); QScopedPointer<QTextEdit> textEdit(new … |
| | Hi There, I hope somebody can help me, I work with Visual C++ 2008 with QT libraries I am trying to include a Interop.Encore.dll file into my program to access our ERP system business objects and post new data to the ERP We have a Visual Basic program geared to … |
| | I'm not sure if this is the best place for this thread, but it's the best I could come up with. I'm using a QT Style Sheet to style a radio button like this: [CODE] QRadioButton{ background:#5F7536; color:#CBF57D; font:bold; } [/CODE] It works fine except that in addition to changing … |
| | Hi I am working on Linux and I am trying to create a GUI app to go with my executable I have made. For some reason it unexpectedly ends. There is no error message, it just says in the Qt console window it unexpectedly ended with exit code 0. Can …  |
| | Hi there, I am trying to apply a Manifest file to my delphi application so that it can run with administrative permissions, I have been following [URL="http://delphi.about.com/od/delphitips2009/qt/delphi-vista-registry-run-on-startup.htm"]this Tutorial[/URL] part Faking UAC Rights - How to Request Execution Level. I have got to step 6 where I start getting problems, I … |
| | Hi guys, still Noob here, so i apologize for not using the correct terminology. I will be as detailed and accurate as possible! I've been using QT Designer, and been trying to figure out how to "combine" the GUI ive created with the python script I wrote before making a …  |
| | Hi. I am a beginner and i have been facing this problem since Monday. I made a QMainWindow with name window and added an action in it. So when a user clicks the action, the QDialog dialog is displayed. In dialog i take input from user and then return it … |
| | I wrote the following code, so that whenever an item from the list is deleted, the file associated with the name of the items below the delted items get updated. But the program isn't working, i have been reviewing this code for last 2 days but worthless. Please help. void … |
| | Qt ide gives error about"error: passing 'const QChar' as 'this' argument of 'QChar& QChar::operator=(const QChar&)' discards qualifiers" here for(int i=reqposition;;i++) { if(data.at(i)==',') break; temp.at(j)=data.at(i); // ERROR IS HERE j++; } what do i do to solve it! |
| | Hi guys, converting .ui to .py to .exe using Qt Designer (PyQt4), Python 2.7, and py2exe Ive been able to do this with Tkinter gui's but having problems with gui's from Qt Designer? First error was due to missing msvcp90.dll which ive downloaded and copied into the python dll directory, … |
| | First question here, so bear with me. I have been trying to create a view on a QMainWindow using a QDeclarativeView as the canvas, but whenever I try to switch the source of the QDeclarativeView my program segfaults and I frankly have no idea why, or how to fix it. … |
| | I made the following program, but now i am getting an error. I searched for error almost 3 hours but worthless. I want to discuss the problem with you people. I am getting the error: [B] expected class-name before '{' token[/B] #ifndef ASKDIALOG_H #define ASKDIALOG_H #include <QDialog> #include "umerwindow.h" namespace …  |
| | Hi. I have made a simple testing program which I'll use in another program later. I create the items of the QListWidget through looping and now I want to make changes in one of the items of the list, which the user clicks. But when I call a fucntion to … |
| | Hello, i started learn litle "Game-Developing", i download Tiled QT to create game map, but my question is, (Game will be in java) How i make my character go to specifically positions, i mean, in map are some walls and playrs must not go above the image... An idea is … |
| | Hi guys. I am a bit confused among the following three functions. read() readAll() readLine() How do they work? I'll be really thankful to you all. Thanks alot for your precious time! Regards.  |
| | What does this statement mean "[B]These functions (read(), readline(), readAll()) read a line of ASCII characters from the device, [U]up to a maximum of maxSize - 1 bytes, stores the characters in data, and returns the number of bytes read[/U].[/B]" I have used readAll() and readLine() it returns all the …  |
| | I have designed a dialog in Qt designer and I want to use the name of each child widget for some coding in cpp file. But the names I have given to buttons etc in Qt designer are not working as pointer.More over their names in ui_[I]mydialogname[/I].h are not the … |
| | Hi. I made a program and I write this code in order to make the window's size fixed. More over i am using a button to unhide some Groups on main window, But when i compile program, it crashes but when I comment out this line of code the program … |
| | Hi guys I have been wondering can we develop android apps on Qt? Do we have to learn Java inorder to program for android in Qt or All the programming will be done in C++. Actually I don't want to learn Java any recent because I am working on someother … |
| | what does the following code means in Qt programming.. QDialogButtonBox::Ok why are we using QDialogButtonBox:: . |
| | I need to write a program in QT4 that converts the value entered by the user to Celsius or to Fahrenheit The temperatue.cpp: I need to write a program that converts celcius to fahrenheit and vice versa the temperature.cpp is: #include "temperature.h" //constructor Temperature::Temperature() { //{initializes and places widgets using … |
| | Hello. I compiled a basic GUI example written with Qt. When I run with valgrind, it tells that there is memory leak. It is stranger, because at each time I run the app, the number of malloc calls are different. Qt seems nondeterministic. [CODE] #include <QApplication> #include <QPushButton> int main(int …  |
| | I was dragging and dropping flv files onto this bat file so I could watch in fullscreen on my second monitor:[CODE]set vlcPath="C:\Program Files\VideoLAN\VLC\vlc.exe" %vlcPath% %1 --video-x=1366 --video-y=768 --width=300 --height=300 --fullscreen --no-video-title-show --no-embedded-video --no-qt-fs-controller[/CODE] but would rather write a batch file with a menu so I could simply select the video … |
| | Hi, I've currently got a dilema. I'm aware that from within a C++ program, you can use return values to get data from a function, but I am currently developing a Qt program, and at the moment I have 2 GUI's: 1- Main Window 2- Dialog The main window calls … |
| | Ive been trying to code a GUI application in qt but im having trouble trying to get a button work. homewindow.h: [CODE]#ifndef HOMEWINDOW_H #define HOMEWINDOW_H #include <QWidget> class homeWindow : public QWidget { Q_OBJECT public: homeWindow(); ~homeWindow(); void init(); private slots: int when(); private: QWidget *aWidget; }; #endif // HOMEWINDOW_H[/CODE] …  |
| | i finally started having a look at gui yesterday, and tried to do some things with PySide, however i have the following problem; Whats wrong with this code? [CODE] !/usr/bin/python # -*- coding: utf-8 -*- import sys from PySide.QtCore import * from PySide.QtGui import * class Form(QDialog): def __init__(self, parent=None): …  |
| | Hi everybody, I am new c++ and a few days ago I downloaded Qt for gui developing, I found some videos about it but I need something more advanced. Videos from basic to advanced ?? If i watch all of [URL="http://www.youtube.com/playlist?list=PL2D1942A4688E9D63&feature=plcp"]these[/URL] , will it be enough to make professional apps … |
| | Hi all, I'm currently developing an application in QT, and using QML for the user interface. Using QDeclarativeView I am able to create custom objects and access their members from within QML (using the below code), however I am stuck when I want to access the methods from just within … |
| | i want to Display my QTableView insid QTextEdit ? can i do this thing ?? if i can how i can do it ? |
| | Hi everyone ! i havent posted in a while i guess i just took a break O.o But i am having a problem i designed a UI in qt designer and then did [CODE]pyuic4 -x backup.ui -o backup.py[/CODE] That worked perfectly i can execute it and i have a nice … |
| | I am making a application for maping some keyboard shortcuts to some event. So, i need detecting the keyboard shortcuts pressed after clicking a button. For Example, i have a button having text on it "change". When i click on it text on it changes to "press keys" then i … |
| | [B]Hello , I'm new here as I'm new in python.. :D I need help in viewing database's data ,[B][U] I could view data in python[/U][/B] but i need to view it in GUI . [B][COLOR="Red"]i'm using:[/COLOR] - Qt designer - pysqlite[/B] Thank you all :)[/B] |
| | Hello everyone! I am Pat, I am currently 16 years old and I've been programming for 4 years. I started with PHP, then Python, then Ruby and currently I am programming in C++ with the awesome Qt framework ;). I hope to learn some new stuff here and meet like-minded … |
| | I am a web developer and this is my first time doing coding for desktop program. I am looking for a software development tool to use for c++ which include GUI and be able to pack up and run on windows after I have finished written the program. This software … |
| | i was working on a project to send sms through my cellphone connected to my usb, but i did it on java with the comm library and on windows, now im working on ubuntu with c++, but i dont find any library that i could use to communicate with the … |
| | Hey, I am doing my Final Year Project on NLP - something along IBM's Deep QA Project. [URL="http://en.wikipedia.org/wiki/Watson_(computer)"]http://en.wikipedia.org/wiki/Watson_(computer)[/URL] I would like to know what will be a good IDE to work on. My parameters for a good IDE in this project would be : 1)Good API's for Speech to Text … |
 | Hi, I started with C++ development recently, and I think I'm ready to start building GUIs for my apps. I'm thinking about using Qt, since it is the most popular C++ GUI library, but the licensing is really confusing, and there isn't a lawyer nearby that understands software licensing who …  |
| | I'm running Mac OS X Lion on my 64-bit MacBook, and I can't run any of the QT Jambi applications I create. Here's the code of the test program I'm trying to deploy. [CODE]import com.trolltech.qt.gui.QApplication; import com.trolltech.qt.gui.QPushButton; public class GUI { public static void main(String[] args) { QApplication.initialize(args); QPushButton b … |
| | Alright, I have a members area, area.php, and I used mysql to find the userlevel and display content depending on the userlevel, 1 for user, 2 for admin. I made it, but it displays both the user and admin for 1, and 2. [CODE]<?php // Members Area // session_start(); $usernamee … |
| | Greetings to all. My problem is not particularly VB.Net specific but having looked around this forum, I didn't know exactly where to post it and considering that I'm writing my program in VB.Net, I just decided to do so here. I apologize in advance, if that was wrong of me. … |
| | My direct 3d option is unavailable and I have no clue how to fix, any help will be very appreciated, here the information from my DxDiag ------------------ System Information ------------------ Time of this report: 8/23/2011, 12:28:40 Machine name: ME Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack … |
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