need to build a custom slider in qt 4
All, I need to create a relatively complex slider widget. It needs to be able to take multiple sliders per line, which would be able to move independently of each other. I’ve created a notional version...
View ArticleChanging Password
I used the OpenID originally to login here, but trying to change my Username a password is needed. However, it will not accept an OpenID. Neither will changing an email address accept the OpenID. Help...
View ArticleHow to manage "Z" globally in QML?
Hi I would like to be abble to simulate a variation of the ambiante light. I am displaying instruments like indicatore and LEDs. So I was thinking of adding a Black rectangle with the OPACITY set to...
View ArticleMVC Design unter Qt - Sinn (des Controllers)
Guten Tag zusammen Wir haben als Schulprojekt semesterbegeitend den Auftrag, eine Applikation zu designen und zu entwickeln. Als Sprache wurde Java vorgeschlagen, aber man darf auch andere Sprachen...
View ArticleQFileSystemWatcher not sending signal when monitored folder itself deleted.
QFileSystemWatcher *watch_files = new QFileSystemWatcher; connect(watch_files, SIGNAL(directoryChanged(QString)), this, SLOT(research_folders())); Video reproducing this problem:...
View ArticleНе работает QStringListModel в QML
Всем привет! Столкнулся с ошибкой при использование С++ модели в QML Вывод приложения: file:///.../main.qml:14: ReferenceError: headersList is not defined Код main.cpp ... QQuickView *view =...
View ArticleBest way to implement zoom?
Hi, I’m working on a project using C++ and QML where I display some QDeclarativeItems and some QML basic elements (such as rectangles and text). Now, I need to be able to zoom. Im my main.cpp file I...
View ArticleODBC-Plugin missing in 5.0.1/MinGW?
I just installed Qt 5.0.1 for Windows 32-bit w. MinGW/4.7 and there seems to be no ODBC-SQL-plugin available. Ist that by intention?
View Articletest01.exe is unable to run
Hey All, i am new to Qt. my steps are here for making my first “helloworld App” in fresh installed Windows XP Sp3 32b with latest updates. 1. install QT Qt 4.8.4 with default folder:C:\Qt\4.8.4 (I...
View ArticleHow to Check Is Domain Indexed in Google from Qt application code
Hello All, I am developing an application in which i need to check for any website whether it is Indexed in Google or not. I have written following code on my button click slot....
View ArticleQVideoWidget - Video not rendering in Windows XP
I’ve installed Qt 5.0.1 (from the website MingW installer) and tested the QVideoWidget example from QtCreator. The example works fine in my Win7 64 bits, but under Windows XP SP3 the video does not...
View ArticleProblem while usin QStringListModel in QML
Hello! I`ve tried to use QStringListModel in both QtQuick 1 and 2, but have the same error in application output “file:///…/main.qml:14: ReferenceError: myModel is not defined” My main.cpp file ......
View Article5.0.1: still getting startup errors
Specifically, plugin loader messages saying it can’t load Help and UpdateInfo. Details for help message: /Developer/Applications/Qt/Qt Creator.app/Contents/PlugIns/QtProject/libHelp.dylib: Cannot load...
View ArticleError build simple projeto com QT 5.0.1 MINGW
1-QTSDK 5.0.1 installed. 2-installed MinGW using mingw-get-inst-20120426.exe. Includes 3-in PATH c: \ C: \ MinGW \ bin, C: \ qt \ Qt5.0.1 \ 5.0.1 \ mingw47_32 \ bin 3-Create new project GUI. 4-I build...
View ArticleWhy does restoreGeometry return false?
I have an application that saves its window state on shutdown using saveGeometry, and restores them on startup using restoreGeometry, all persisted using QSettings. This aspect works just fine....
View ArticleFailed to build 5.0.1
Building from source with MSVC2012 ×64, with the following configure parameters: -debug-and-release -opensource -no-accessibility -openvg -opengl desktop -no-angle -nomake examples -nomake tests -mp...
View ArticleHow to properly setup Source Paths Mapping in QtCreator for Qt 5.0.1
Hi, I just downloaded and installed Qt 5.0.1 for Windows 32-bit (MinGW 4.7). If I build a debug version of an example in QtCreator 2.6.2 (i.e. cube example) I can debug the example code but I cannot...
View ArticleQt5 Qt::FramelessWindowHint doesn't add an window entry in the taskbar
I am trying to create a custom design window in Qt5 with QML, but whenever I set the setFlags(Qt::FramelessWindowHint); QtQuick2ApplicationViewer it doesn’t create a window entry in the taskbar. I...
View Articlerunning demo on ubuntu linux
سلام من Qt را در محیط ubuntu نصب نموده ام . برای اجرایdemoهای آن باید چه کار کنم ؟ من qt creatorرا هم در ubuntuنصب نموده ام اما نمی دانم برای اجرای demo ها باید از چه مسیری آن ها را انتخاب و باز نمایم...
View Article5.0.1 -"Cannot create accessible interface for object" warnings
Just finished a custom Qt5.0.1 build and noticed an *extensive *amount of what I assume are warnings, coinciding with a significant performance loss of about 25% compared to Qt5.0 and none of those...
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