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View Full Version : Qt Programming



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  1. Using QGraphicsView with custom QGLWidget
  2. When update for background-image on scrollbar ?
  3. Window crashed when using USB TV Tuner
  4. Problem with QSslSocket Server app
  5. QFileSystemWatcher bug?
  6. Checking that value of ui elements has been changed.
  7. Not getting focus on a QWindow on the initial show.
  8. How to Open a New Dialog when a Row is Clicked..?
  9. Can't see grahpicsitem
  10. QImage load() - Not finding updated image
  11. questions about qscrollarea in qsplitter
  12. setAcceptsHoverEvents(true) was not declare in this scope
  13. Difficulties in Making PDF files in Mac PCs
  14. QGraphicsItem ambiguity in subclass
  15. QGraphicsView pan
  16. QBoxLayout with QMainWindow vs QWidget
  17. QGraphicsItem doesn't update
  18. It crashes when using QWebView to show a website
  19. Error handling design advice plz
  20. Seeking Suggestions for Multi-Threaded Application Design
  21. How to interrupt serial port sending?
  22. issue char * hex buffer to QString conversion to print to textEdit Widget
  23. QDoubleValidator porting to Linux issue
  24. Read TXT file with QFile
  25. Char Followed by a Char is illegal (qglobal.h)
  26. template inheritance
  27. translucent background - no mouse event
  28. Very simple output task
  29. Disappearing content of QMainWindow
  30. Replacement function for setOn QPushButton qt4?
  31. Creating a Windows Menu in QT4 Menubar
  32. Get name of QAction from Menu when dynamically added
  33. how to optimize QSqlQuery?
  34. QT with managed code
  35. QtCore4.dll_unloaded exception when usin external Wait function (LabVIEW)
  36. Problem with event handling of multiple windows
  37. Problem with template with static QMap
  38. Use QUdpSocket as a QIODevice (read, readline, write)
  39. Shape detection / recognition
  40. Qt app showing wrong font
  41. some question about QSplashScreen
  42. Equivalent of #define in .pro file
  43. Qt to wt
  44. Qml
  45. What the additional argument -qws do in the qmake configuration?
  46. Qt way of knowing if a instance of my app is already running on my computer
  47. Selecting somes cells from a QTableWidget
  48. Converting some element of QByteArray to Integer
  49. Trying to render two text strings on alternating lines and determining glyph height.
  50. XML, read file, string to enum.....
  51. Copy a .txt file in a Spinbox (PyQT)
  52. How to set font size and color for different text on QLabel
  53. Need a better way to move or remove images in a Scene.
  54. QTableWidget index reading
  55. Rendering problem with Tulip on OSX
  56. Prefixed for life?
  57. Error:The process cannot access the file because it is being used by another process.
  58. setPlainText calling focusOutEvent in QGraphicsSimpleTextItem
  59. CloseEvent() not calling destructor
  60. SetWindowIcon on several different platforms
  61. QHeaderView::sectionMoved is returning wrong newVisualIndex when autoscroll is on.
  62. Tabbed application example
  63. How to use a third party function library package with source codes in my QT Project?
  64. QGraphicsScene and QGLWidget issues (VBO)
  65. QTableView selection problem on mouse release on scrollbar - Mac OS only.
  66. Shell script crash launched by QProcess, works launched manually
  67. [SOLVED] QSignalMapper and QStandardItemModel
  68. Problem with customized QTabWidget
  69. Storing String in QTableWidgetItem with proper alignmenet
  70. QApplication on Debian Server because of pdf generation
  71. Not getting keyPressEvent in my class?
  72. Qt connect without SLOT macro
  73. QListWidget -> DoubleClick
  74. change part of a slider color in video cutter tool
  75. Drawing lines using QGraphicsLineItem and setting its position
  76. QOpenGLWidget: do I need this?
  77. Custom Container with predefined child widgets
  78. Setting up mingw64, Netbeans and QT
  79. Tic-Tac-Toe using QGraphicsView
  80. how to get the boundingrect of multi line text using qfontmetrics
  81. QPrinter with PaperSource enum not supported in Linux. Workaround?
  82. Depoyment Qt application as Shared Library
  83. translate QIODevice::errorString()
  84. QSql connection pool manager
  85. Problem with QGraphicsProxyWidget implementation
  86. Detecting tooltip events of external application...
  87. pyQt4 QAxWidget quicktime control Movie InsertSegment "IDispatch*" Error
  88. Console progress display
  89. HID USB device detection
  90. Move rows of Qtreeview up and down on button click
  91. Efficiency of the signal and slot mechanism
  92. Compilation of Qtcreator plugin project fails with error: cannot find -lCore
  93. QTableView Alignment
  94. Need to remove root node from QTreeView
  95. How to solve "does not name a type error"
  96. QtService Installation Problem
  97. QTextEdit: Copy Table Under The Cursor to Another QTextEdit
  98. QGStreamer delete pipeline
  99. Sizes in construction - different behaviour Qt5 to Qt4 (example attached)
  100. Adding widgets into QStandardItem/QTableView
  101. How to render QGraphicsItems onto a QGraphicsScene properly
  102. QDoubleSpinBox and QLocale
  103. Passing binary data between Qt classes and JS through Qt Webkit bridge
  104. QListWidget change selected items background color
  105. Add GUI on QGraphicsView problem.
  106. Read huge files effectively
  107. qaxobject.h on Mac OS
  108. Cannot get image from resources file on Windows 8.1 Pro
  109. Parsing a XML-like text stream
  110. Creating a plugin widget for Qt Designer
  111. Dynamic adding of widgets to QGraphicsScene on the fly
  112. Performance problem with QFile.
  113. Cannot import my graph
  114. dropEvent(QDropEvent *event) is not getting called in Phonon::VideoWidget
  115. QT Class Hierarchy Diagram for 5.2
  116. Highlight the Qmenu/QmenuBar in Qt
  117. app to cover both monitor screens on ubuntu nvidia dual-monitor setup?
  118. linux libpng warning: zlib version error
  119. How to define a variable in QSS
  120. QTableWidget selected row background
  121. Slow QStandardItem::setChild
  122. When use QReadWriteLock and when use QMutex?
  123. QTreeView horizontal tab key navigation
  124. QSharedMemory and QThreads
  125. Connect two different textedit scrollbars
  126. QGLWidget, setting OpenGL version, and shaders
  127. Maintaining Aspect Ratio of Image in Qt
  128. QListView to open external links
  129. [PyQt4] Segmentation fault on Qthread
  130. Can you share an event with two widget?
  131. QSslSocket problem with ssl certificates
  132. 2 QTableViews data
  133. Linking Visual 2010 to g++
  134. How to set GLSL version?
  135. Sorting a list containing QDates
  136. Qt 4.8.6 windows 7 default wrong style
  137. Problem adding a form of type QWizard to GUI project Qt 5.1.1
  138. QSqlRelationalTableModel not showing referenced table info as expected
  139. [SOLVED] connect overloaded signal with parameter
  140. qlineedit
  141. Identifying Mouse Moved in contextMenuEvent
  142. Couldn't link opencv with qt creator , this error happens
  143. QFtp or QNetworkAccessManager, what's the trend?
  144. Drawing with QPainter in a QGLWidget
  145. How to get information about the client certificate?
  146. QWidget::event() return value question
  147. how to take input date from user in qdateedit and show database accordingly
  148. Is it possible to prevent closure of the standard out terminal from killing our app?
  149. how to read QMap from QSettings?
  150. Failed to execute “SHOW CREATE TABLE” query in Qt
  151. displaying a QRect item perpendicular to its parent QGraphicsLineItem on the scene.
  152. Using QSettings fallback mechanism with custom filepaths
  153. auto cam for graphics scene
  154. [SOLVED] Depth buffer in QWindow?
  155. QT5.0 win32-msvc2010 missing DLL error
  156. Network interface, combo box problem
  157. What are the basic ideas behind implementing your own text editing widget?
  158. Opencv with Qtcreater on Mountain lion MAC OSx
  159. GUI with worker thread, signal/slot communication elaboration
  160. QFileDialog::getExistingDirectory crash in linux
  161. How to Get SVN version code in qt pro file
  162. qt5 gstreamer subtitle (closed caption) display
  163. Custom item widgets are flat.
  164. Application crashing in QWidgetPrivate::hideChildren(bool)
  165. Qt - mySQL installation agony under Ubuntu 14.04
  166. Why would QGL2PaintEngineEx crash on ensureActive
  167. qtableview:one table hide Column,and other tables not
  168. Which OpenSSL, PostgreSQL Version is compiled to QT 4.8.6 32bit for VS2008 binary?
  169. QGraphicsView - How to add item that is composed of more shapes
  170. QWebPage unsupported content does not work
  171. Inline slots?
  172. Doubt about deep copy using QByteArray::append() and QByteArray::fromRawData()
  173. QtWebKitBridge, how to assign QPixmap or QImage to HTML5 canvas element?
  174. How to enable copy-paste & click for QListView item?
  175. Saving state of nested widgets
  176. Mouse selection handler ?
  177. thread Synchronous problem
  178. QFileSystemWatcher Problem
  179. Strange output with QFileSystemModel bug?
  180. qtableview qcompleter
  181. Configuring qmake to put files inside proper folder
  182. Accessibility for QAction contained in QMenu
  183. Not displaying transparent dialog
  184. Qt, Python, pyqtgraph and RabbitMQ (pika)
  185. Android ARM vs Android x86 in qmake .pro file
  186. QTreeWidget after calling setFont(), the column width suits no more to its content
  187. Slow Microsoft Access QSqlQuery (possible bug)
  188. how to set a editable qwebview font size?
  189. Strange behaviour of hovering in QMenu
  190. QT 5.3 PaintEngine problem
  191. Memory Leaks
  192. Background of checked QPushButton with stylesheet
  193. QImage vs QPixmap the eternal dilemma of good drawing performance on linux
  194. QSlider how to check if slider handle is selected
  195. Searching for a patern in a big binary file
  196. setAutoFilledBackground leads to different result.
  197. Add a Widget to border(frame) of QGroupBox
  198. Opening persistent delegate editors with proxy model
  199. Layout managment
  200. QTreeWidgetItem, 2+ icons
  201. How to highlight a QWidget
  202. How to Run an URL link when checkBox is checked
  203. the font set by QWebSetting look smaller
  204. qmake install only installs debug targets
  205. Multiple QEventLoops in the MainThread QtGui
  206. QWebView and Blank Page
  207. QSqlQuery: remove a record
  208. Updating QGLWidget in Qt from Main Window
  209. QPlainTextEdit - hanging indents
  210. N-Trig presure detection
  211. QTcpSocket: crash on write
  212. Make one qthread check the state of the other
  213. QItemSelectionModel synchronization problem - SOLVED
  214. Detect network connection in QT
  215. QAbstractItemModel derivative showing a checkbox next to each index
  216. 32 bit color depth
  217. QTreeView editing sometimes single click sometimes double click
  218. qmake conditional expressin, strange behaviour
  219. Static build have dependencies Qt 4.8.5 (Linux Opensuse 13.1)
  220. How to refresh the content of a QSqlRelational Delegate
  221. QGraphicsLineItem's setAngle method doesn't work
  222. Adding greek text to a QLabel by code
  223. Animation in Qt
  224. Faster way to manage an image
  225. Adding a KDChart Library to Visual studio with QT
  226. Receiving events while mouse is pressed
  227. QGraphicsPathItem(parent) constructor crashes (SIGSEGV)
  228. Qt menubar disappears when I use scroll area
  229. QSerialPort open flips RTS and DTR despite I don't want it
  230. Special loging class
  231. QStandardItem::appendRow() segfaults
  232. How to add custom header to QTableWidget
  233. Resize QGraphicsItem when window resizes
  234. How to solve the runtime error?
  235. How to navigate one page to other page....
  236. Synchronizing scrollbars on two QListWidget
  237. How to add a font to QT Designer
  238. Draw text to QImage swaps red and blue colors
  239. How to make and use custom UI widgets for a list
  240. Find item index in QGraphicsLinearLayout
  241. Ftp qt 5
  242. Subclassing QGraphicsView crash the app
  243. QTableview, checkboxes and SQlite
  244. Highliting multiple parts on image timeline (QGraphicsScene)
  245. How i can detect intersects line shape with rect on qgraphicsscene
  246. how to fix selected item to centre of QListWidget
  247. Is this bug or wrong code for PyQt4?
  248. Questions about signals/slots and QObject lifetimes
  249. Qt Creator plugin: how to insert foreign widgets from my plugin into QtQuick Designer
  250. Painting data always as 16-bit color