I'm using Qt and I have a QTabWidget setup in the Qt Designer Editor, you can see it in picture 1. As you can see after Tab4 there is an empty space all the way to the right edge, in someway I need to fill that space with a color, like in picture 2 (the best thing would be to be able to set a fading color). Or another solution would b...
I am trying to use this code in my QT app QMap<QString,QMap> but there is a build problem it says C:/****/****/****/***/domparser.h:14: error: type/value mismatch at argument 2 in template parameter list for 'template<class Key, class T> class QMap' ...
I've got the following code and I'm not sure how to add the QGraphicsScene to my layout.. class MainForm(QDialog): def __init__(self, parent=None): super(MainForm, self).__init__(parent) self.scene = QGraphicsScene(self) self.scene.setSceneRect(0, 0, 500, 500) self.view = QGraphicsView() self....
I'm looking for some input, but let me start with a bit of background (for tl;dr skip to end). I'm an IT major with a concentration in networking. While I'm not a CS major nor do I want to program as a vocation, I do consider myself a programmer and do pretty well with the concepts involved. I've been programming since about 6th grade, s...
How to fit QT application in phone window? When app is being designed it fixes the size of controls like combobox, calendar etc. When I run in emulator they are squeezed but, I want them to resize n fit in window as per the size of window. ...
When creating my own class in Qt I would like my variables in the class to have a standard/default value if I haven't set them to anything. It would be perfect if this was possible to set in the h-file so I don't have to do it in each instance method of my class. You can see what I want to do in the code below. In the example myBool woul...
I've created a custom widget plugin. The plugin integrates fine with Qt Creator but when I compile the program, I'm getting this error: "test.h: No such file or directory" Where test.h is the name of the custom widget. What am I doing wrong? This is the *.pro file of the application: TEMPLATE = app SOURCES += main.cpp \ mainwindow...
I would like to have a background image in my QGraphicsView that is always scaled (and cropped if necessary) to the size of the viewport, without scrollbars and without scrolling with the keyboard and mouse. The example below is what I am doing to scale and crop an image in the viewport, but I am using random values for the cropping that...
I have QTabWidget on my form and two tabs on it. This tabs have standard text Tab1 and Tab2. How can I change it? ...
Hi, Can any one help me on software licence module. We created a new application and want to release a demo version(30 days trial) of our tool later we need full version. How can i generate license file or license code and how to limit 30 days evaluation. Please give me some help on this. Our application is developed on windows in QT ...
I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete / destroy my objects? Is any of this handled automatically? In the example below, which of the objects I create do I need to delete? What happens to the instance variable myOtherClass when myClass is destroy...
I'm trying to enter edit mode on a specific cell like this void MainWindow::on_addButton_released(void) { tm->addRow(); tableView->scrollToBottom(); int ec=tm->firstWritableColumn(); int r=tm->rowCount(QModelIndex()); QModelIndex id = tm->index(r, ec, QModelIndex()); tableView->setCurrentIndex(id); tableView-...
We're developing a Qt project using the Code::Blocks IDE with the QtWorkbench plugin. We'd like to take advantage of Qt's unit testing modules to test our code, but from what I've read online, the only way to do so is to use qmake to manually create a new "project" and makefile for each unit test and then to build and execute that projec...
I'm trying to append items to a QList at runtime, but I'm running on a error message. Basically what I'm trying to do is to make a QList of QLists and add a few customClass objects to each of the inner lists. Here's my code: widget.h: class Widget : public QWidget { Q_OBJECT public: Widget(QWidget *parent = 0); ~Widget(); ...
I'm trying to create a widget which paints directly to the windows Device Context by calling getDC() and painting an HBITMAP to it. The widget I'm painting resides inside a scroll widget. I've implemented the paintEvent() and it does seem to paint but immediatly after painting the widget gets painted over again with a blank gray color. ...
Is there a way to validate an XML file against a DTD with Qt's XML handling? I've tried googling around but can't seem to get a straight answer. If Qt doesn't include support for validating an XML file, what might be the process of implementing validation myself? Any good reference to start with in regards to validating XML against a spe...
I need a QDialog to send a signal to redraw the main window. But connect needs an object to connect to. So I must create each dialog with new and explicitly put a connect() every time. What I really need is a way of just sending MainWindow::Redraw() from inside any function and having a single connect() inside Mainwindow to receive them...
Please consider we have a menu which has text set "MyMenu" and I want to change the menu text by clicking a button in the same widget from "MyMenu" to "МойМеню". Could you bring a code snippet please for that operation? ...
I would like to include libQtGui.so.4 libQtNetwork.so.4 and libQtCore.so.4 in the same directory as where my app resides. How would I make Qt understand this? y purpose is to have a standalone app that uses shared libraries ...
Hi I am currently working on a sample application which uses QNetworkAccessManager to send the HTTP command. In the sample we are uploading files to server. Here I want upload the file in chunk by chunk(not whole file). Is there any way to send large file in chunk by chunk. Thanks in advance ...