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View Full Version : Qt Programming


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  1. QImage load() - Not finding updated image
  2. questions about qscrollarea in qsplitter
  3. setAcceptsHoverEvents(true) was not declare in this scope
  4. Difficulties in Making PDF files in Mac PCs
  5. QGraphicsItem ambiguity in subclass
  6. QGraphicsView pan
  7. QBoxLayout with QMainWindow vs QWidget
  8. QGraphicsItem doesn't update
  9. It crashes when using QWebView to show a website
  10. Error handling design advice plz
  11. Seeking Suggestions for Multi-Threaded Application Design
  12. How to interrupt serial port sending?
  13. issue char * hex buffer to QString conversion to print to textEdit Widget
  14. QDoubleValidator porting to Linux issue
  15. Read TXT file with QFile
  16. Char Followed by a Char is illegal (qglobal.h)
  17. template inheritance
  18. translucent background - no mouse event
  19. Very simple output task
  20. Disappearing content of QMainWindow
  21. Replacement function for setOn QPushButton qt4?
  22. Creating a Windows Menu in QT4 Menubar
  23. Get name of QAction from Menu when dynamically added
  24. how to optimize QSqlQuery?
  25. QT with managed code
  26. QtCore4.dll_unloaded exception when usin external Wait function (LabVIEW)
  27. Problem with event handling of multiple windows
  28. Problem with template with static QMap
  29. Use QUdpSocket as a QIODevice (read, readline, write)
  30. Shape detection / recognition
  31. Qt app showing wrong font
  32. some question about QSplashScreen
  33. Equivalent of #define in .pro file
  34. Qt to wt
  35. Qml
  36. What the additional argument -qws do in the qmake configuration?
  37. Qt way of knowing if a instance of my app is already running on my computer
  38. Selecting somes cells from a QTableWidget
  39. Converting some element of QByteArray to Integer
  40. Trying to render two text strings on alternating lines and determining glyph height.
  41. XML, read file, string to enum.....
  42. Copy a .txt file in a Spinbox (PyQT)
  43. How to set font size and color for different text on QLabel
  44. Need a better way to move or remove images in a Scene.
  45. QTableWidget index reading
  46. Rendering problem with Tulip on OSX
  47. Prefixed for life?
  48. Error:The process cannot access the file because it is being used by another process.
  49. setPlainText calling focusOutEvent in QGraphicsSimpleTextItem
  50. CloseEvent() not calling destructor
  51. SetWindowIcon on several different platforms
  52. QHeaderView::sectionMoved is returning wrong newVisualIndex when autoscroll is on.
  53. Tabbed application example
  54. How to use a third party function library package with source codes in my QT Project?
  55. QGraphicsScene and QGLWidget issues (VBO)
  56. QTableView selection problem on mouse release on scrollbar - Mac OS only.
  57. Shell script crash launched by QProcess, works launched manually
  58. [SOLVED] QSignalMapper and QStandardItemModel
  59. Problem with customized QTabWidget
  60. Storing String in QTableWidgetItem with proper alignmenet
  61. QApplication on Debian Server because of pdf generation
  62. Not getting keyPressEvent in my class?
  63. Qt connect without SLOT macro
  64. QListWidget -> DoubleClick
  65. change part of a slider color in video cutter tool
  66. Drawing lines using QGraphicsLineItem and setting its position
  67. QOpenGLWidget: do I need this?
  68. Custom Container with predefined child widgets
  69. Setting up mingw64, Netbeans and QT
  70. Tic-Tac-Toe using QGraphicsView
  71. how to get the boundingrect of multi line text using qfontmetrics
  72. QPrinter with PaperSource enum not supported in Linux. Workaround?
  73. Depoyment Qt application as Shared Library
  74. translate QIODevice::errorString()
  75. QSql connection pool manager
  76. Problem with QGraphicsProxyWidget implementation
  77. Detecting tooltip events of external application...
  78. pyQt4 QAxWidget quicktime control Movie InsertSegment "IDispatch*" Error
  79. Console progress display
  80. HID USB device detection
  81. Move rows of Qtreeview up and down on button click
  82. Efficiency of the signal and slot mechanism
  83. Compilation of Qtcreator plugin project fails with error: cannot find -lCore
  84. QTableView Alignment
  85. Need to remove root node from QTreeView
  86. How to solve "does not name a type error"
  87. QtService Installation Problem
  88. QTextEdit: Copy Table Under The Cursor to Another QTextEdit
  89. QGStreamer delete pipeline
  90. Sizes in construction - different behaviour Qt5 to Qt4 (example attached)
  91. Adding widgets into QStandardItem/QTableView
  92. How to render QGraphicsItems onto a QGraphicsScene properly
  93. QDoubleSpinBox and QLocale
  94. Passing binary data between Qt classes and JS through Qt Webkit bridge
  95. QListWidget change selected items background color
  96. Add GUI on QGraphicsView problem.
  97. Read huge files effectively
  98. qaxobject.h on Mac OS
  99. Cannot get image from resources file on Windows 8.1 Pro
  100. Parsing a XML-like text stream
  101. Creating a plugin widget for Qt Designer
  102. Dynamic adding of widgets to QGraphicsScene on the fly
  103. Performance problem with QFile.
  104. Cannot import my graph
  105. dropEvent(QDropEvent *event) is not getting called in Phonon::VideoWidget
  106. QT Class Hierarchy Diagram for 5.2
  107. Highlight the Qmenu/QmenuBar in Qt
  108. app to cover both monitor screens on ubuntu nvidia dual-monitor setup?
  109. linux libpng warning: zlib version error
  110. How to define a variable in QSS
  111. QTableWidget selected row background
  112. Slow QStandardItem::setChild
  113. When use QReadWriteLock and when use QMutex?
  114. QTreeView horizontal tab key navigation
  115. QSharedMemory and QThreads
  116. Connect two different textedit scrollbars
  117. QGLWidget, setting OpenGL version, and shaders
  118. Maintaining Aspect Ratio of Image in Qt
  119. QListView to open external links
  120. [PyQt4] Segmentation fault on Qthread
  121. Can you share an event with two widget?
  122. QSslSocket problem with ssl certificates
  123. 2 QTableViews data
  124. Linking Visual 2010 to g++
  125. How to set GLSL version?
  126. Sorting a list containing QDates
  127. Qt 4.8.6 windows 7 default wrong style
  128. Problem adding a form of type QWizard to GUI project Qt 5.1.1
  129. QSqlRelationalTableModel not showing referenced table info as expected
  130. [SOLVED] connect overloaded signal with parameter
  131. qlineedit
  132. Identifying Mouse Moved in contextMenuEvent
  133. Couldn't link opencv with qt creator , this error happens
  134. QFtp or QNetworkAccessManager, what's the trend?
  135. Drawing with QPainter in a QGLWidget
  136. How to get information about the client certificate?
  137. QWidget::event() return value question
  138. how to take input date from user in qdateedit and show database accordingly
  139. Is it possible to prevent closure of the standard out terminal from killing our app?
  140. how to read QMap from QSettings?
  141. Failed to execute “SHOW CREATE TABLE” query in Qt
  142. displaying a QRect item perpendicular to its parent QGraphicsLineItem on the scene.
  143. Using QSettings fallback mechanism with custom filepaths
  144. auto cam for graphics scene
  145. [SOLVED] Depth buffer in QWindow?
  146. QT5.0 win32-msvc2010 missing DLL error
  147. Network interface, combo box problem
  148. What are the basic ideas behind implementing your own text editing widget?
  149. Opencv with Qtcreater on Mountain lion MAC OSx
  150. GUI with worker thread, signal/slot communication elaboration
  151. QFileDialog::getExistingDirectory crash in linux
  152. How to Get SVN version code in qt pro file
  153. qt5 gstreamer subtitle (closed caption) display
  154. Custom item widgets are flat.
  155. Application crashing in QWidgetPrivate::hideChildren(bool)
  156. Qt - mySQL installation agony under Ubuntu 14.04
  157. Why would QGL2PaintEngineEx crash on ensureActive
  158. qtableview:one table hide Column,and other tables not
  159. Which OpenSSL, PostgreSQL Version is compiled to QT 4.8.6 32bit for VS2008 binary?
  160. QGraphicsView - How to add item that is composed of more shapes
  161. QWebPage unsupported content does not work
  162. Inline slots?
  163. Doubt about deep copy using QByteArray::append() and QByteArray::fromRawData()
  164. QtWebKitBridge, how to assign QPixmap or QImage to HTML5 canvas element?
  165. How to enable copy-paste & click for QListView item?
  166. Saving state of nested widgets
  167. Mouse selection handler ?
  168. thread Synchronous problem
  169. QFileSystemWatcher Problem
  170. Strange output with QFileSystemModel bug?
  171. qtableview qcompleter
  172. Configuring qmake to put files inside proper folder
  173. Accessibility for QAction contained in QMenu
  174. Not displaying transparent dialog
  175. Qt, Python, pyqtgraph and RabbitMQ (pika)
  176. Android ARM vs Android x86 in qmake .pro file
  177. QTreeWidget after calling setFont(), the column width suits no more to its content
  178. Slow Microsoft Access QSqlQuery (possible bug)
  179. how to set a editable qwebview font size?
  180. Strange behaviour of hovering in QMenu
  181. QT 5.3 PaintEngine problem
  182. Memory Leaks
  183. Background of checked QPushButton with stylesheet
  184. QImage vs QPixmap the eternal dilemma of good drawing performance on linux
  185. QSlider how to check if slider handle is selected
  186. Searching for a patern in a big binary file
  187. setAutoFilledBackground leads to different result.
  188. Add a Widget to border(frame) of QGroupBox
  189. Opening persistent delegate editors with proxy model
  190. Layout managment
  191. QTreeWidgetItem, 2+ icons
  192. How to highlight a QWidget
  193. How to Run an URL link when checkBox is checked
  194. the font set by QWebSetting look smaller
  195. qmake install only installs debug targets
  196. Multiple QEventLoops in the MainThread QtGui
  197. QWebView and Blank Page
  198. QSqlQuery: remove a record
  199. Updating QGLWidget in Qt from Main Window
  200. QPlainTextEdit - hanging indents
  201. N-Trig presure detection
  202. QTcpSocket: crash on write
  203. Make one qthread check the state of the other
  204. QItemSelectionModel synchronization problem - SOLVED
  205. Detect network connection in QT
  206. QAbstractItemModel derivative showing a checkbox next to each index
  207. 32 bit color depth
  208. QTreeView editing sometimes single click sometimes double click
  209. qmake conditional expressin, strange behaviour
  210. Static build have dependencies Qt 4.8.5 (Linux Opensuse 13.1)
  211. How to refresh the content of a QSqlRelational Delegate
  212. QGraphicsLineItem's setAngle method doesn't work
  213. Adding greek text to a QLabel by code
  214. Animation in Qt
  215. Faster way to manage an image
  216. Adding a KDChart Library to Visual studio with QT
  217. Receiving events while mouse is pressed
  218. QGraphicsPathItem(parent) constructor crashes (SIGSEGV)
  219. Qt menubar disappears when I use scroll area
  220. QSerialPort open flips RTS and DTR despite I don't want it
  221. Special loging class
  222. QStandardItem::appendRow() segfaults
  223. How to add custom header to QTableWidget
  224. Resize QGraphicsItem when window resizes
  225. How to solve the runtime error?
  226. How to navigate one page to other page....
  227. Synchronizing scrollbars on two QListWidget
  228. How to add a font to QT Designer
  229. Draw text to QImage swaps red and blue colors
  230. How to make and use custom UI widgets for a list
  231. Find item index in QGraphicsLinearLayout
  232. Ftp qt 5
  233. Subclassing QGraphicsView crash the app
  234. QTableview, checkboxes and SQlite
  235. Highliting multiple parts on image timeline (QGraphicsScene)
  236. How i can detect intersects line shape with rect on qgraphicsscene
  237. how to fix selected item to centre of QListWidget
  238. Is this bug or wrong code for PyQt4?
  239. Questions about signals/slots and QObject lifetimes
  240. Qt Creator plugin: how to insert foreign widgets from my plugin into QtQuick Designer
  241. Painting data always as 16-bit color
  242. Select first QMenu from QMenuBar using ALT key
  243. run pocketsphinx program in qt
  244. QTableWidget border problem
  245. how to read .dbf-Files?
  246. dock title bar crash on close
  247. Qt3D.... anyone?
  248. is the qtCustomplot library compatible with the qt 5.3???
  249. Qt and MariaDb driver
  250. Context Menu in Qt