Opengl textures with glDrawElements
I’m drawing a cube with textures, works fine when using calls to glBindTexture() and glDrawArrays() for each face. Can I use glDrawElements() ? If so, I’m not sure how to call glBindTexture() and how...
View ArticleHow to use the SATA command in QT ?
請問在 QT 中, 如何使用 SATA command ? 我想要利用 SATA command 與 SATA HDD 做資料交換, 懇請前輩們指點指點 ~ 感謝 ~
View Articled_ptr->itemDiscovered" in file graphicsview\qgraphicsscenebsptreeindex.cpp, line 343">ASSERT: "!item->d_ptr->itemDiscovered" in file...
I want to get the thumbnail from QGraphicsScene: QImage image; QPainter painter(&image); ...
View ArticleJerky screen update on my Embedded device running on cortex A9.
Hi All, I am running the a CSS content in html file with Qt demo browser 0.1 on my STB running on Cortex A9 processor with Qt 4.8.3. I am using directfb in the background for blitting. Though my dfb...
View ArticleJerky screen update on my STB running on cortex A9.
Hi All, I am running the a CSS content in html file with Qt demo browser 0.1 on my STB running on Cortex A9 processor with Qt 4.8.3. I am using directfb in the background for blitting. Though my dfb...
View ArticleNo rule to make target `findsubtitleswindow.ui', needed by...
Hi, I am using QT5 to run a QT4 project, an error occurs as shown above, and in the .pro file, the line “FORMS += findsubtitleswindow.ui” exists. What is the problem? thanks a lot in advance!
View ArticleQKeyEvent on whole applicacation
Hi Guys, I have simple question. How could I catch QKeyEvent in whole application (in all widgets)? In need to proccess key pressing in my application in one place (independently on what child widget...
View ArticleThe messy Qt-JIRA roadmap (and all those dead Qt3D versions)
From time to time I’m looking on the Roadmap-page [bugreports.qt-project.org] of the Qt-JIRA and see that numbers are changing on nearly all “versions” … … beside the “Qt3D …” entries I think it’s a...
View Article[Solved]qRegisterMetaTypeStreamOperators issue
Hello, I’m trying to store a structure with QSettings. I followed the following instructions (Saving custom structures and classes to QSettings [developer.nokia.com]). My structure is looking like...
View Article__NSAutoreleaseNoPool() warning on mac and performance
Hi, i have a tone of these wanrings: 2013-03-28 10:13:49.502 QtGrid[12973:903] *** __NSAutoreleaseNoPool(): Object 0x1014088b0 of class __NSCFType autoreleased with no pool in place - just leaking...
View ArticleQSqlite and Regexp
Hello, I have the following problem when executing the following query with QSqlQueryModel::setQuery() : Simplified code: "SELECT `id` FROM `table` WHERE REGEXP('1')" When I remove...
View ArticleQDebug output in a QTextEdit
I’m new in Qt and I need to display the Qdebug output for the hole application into a QTextEdit , I found @customMessageHandler and @qInstallMessageHandler but the problem is that @customMessageHandler...
View ArticleQtCreator toolchain setting & debug problem.
Hi, I use mips-linux-gnu-g++ (Sourcery G++ Lite 4.3-154) 4.3.3 to cross compile my application. QtCreator is 2.5.2 1.What ABI in Tool chains setting should I use? I set the ABI to...
View Articlebakeqtpi.bash build error in qtquick1
Hi I’ve used bakeqtpi.bash (from gitorious repo), but it fails with during qtquick1 build: qdeclarativeview_plugin.h:45:53: fatal error: QtDesigner/QDesignerCustomWidgetInterface: No such file or...
View ArticleQt embedded and QtMobility (QtServiceFramework) in Qt 5.0
Hello, 1) There was separate source for Embedded devices in Qt-4.8 as “qt-everywhere-opensource-src-4.8.4” . which I do not see in Qt-5 downloads Is there no separate source for embedded devices in...
View Articleqml and qlist c++
HI all, I have a question about passing data between QML and C++. I’ve a class cpp with a QList of multiple data, is possible to pass it to a qml file and use it as an array?? thanks
View ArticleVideo in QMediaPlayer -"Media session serious error"
Hi all, I’m still struggling to get video to play properly in my QWidget-based window, which is then embedded into a QDeclarativeView. When I write a basic program which doesn’t use QDeclarativeView,...
View ArticleQScreen with different graphics cards || QScreen and Xinerama?
Hi there, I just have the following problem: I have a machine with two nvidia cards and running a Xubuntu (11.10). Now what i am trying to do is spawn a window on my extended screen which is connected...
View ArticleDevelop with Qt for Windows Embedded Standard 2009?
Hello, I’m planning to develop and build an application with Qt that will run on Windows Embedded Standard 2009 (on this hardware:...
View ArticleQT & Open Inventor controls
I want to draw a Qt Dialogs inside open Inventor render area, i have my scene rendered and i want the controls be inside the render area not around it, but i want the controls be Qt controls because...
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