I am trying to integrate Crashpad into Qt application on Linux. I am using Bugsplat database for testing and I followed this tutorial and managed to build this “dummy” application, which should serve as an example of using Qt with Crashpad. I have made minor adjustments of files to fix build for m…
Tag: qt
Unable to access menu item in QML through shortcuts
This is the code with QtQuick.Controls.12.2. It displays properly but when I press Ctrl nothing happens. I expect the print statement to execute. What am I doing wrong here? Answer Indeed it looks like it’s not possible to use a single modifier (Ctrl/Shift/…) as a shortcut value. (See this similar…
Can I use QFile to truncate a write protected file?
I am not running the application itself as root. Rather than do a convoluted With QProcess, I would rather simply open /sys/devices/system/cpu/intel_pstate/min_perf_pct and truncate a number into it. It would look something like this: Is there a way to do this without having to start or run any other part of …
CMAKE_PREFIX_PATH for Qt5
I want to compile this which requires Qt 5.14 and I have Qt 5.12 installed from my linux repository.I just compiled Qt from source and installed it in /usr/local/Qt-6.0.0/(default location). But CMake prints the following error although I’ve added set(CMAKE_PREFIX_PATH “/usr/local/Qt-6.0.0/include…
QT diconnect from wifi
I need to disconnect from current access point. I wrote this piece of code: How can I disconnect from wifi? Or should I use C/C++ (some API) for that? Answer You can use QProcess and run system commands to connect and disconnect WiFi like below but this is Linux solution: Replace wlp3s0 with your WiFi interfa…
Generate combined virtual key presses to get chars like â, ó, ć, and more complex
I’m implementing a virtual keyboard using QML. So far I literally map the char to print for the different key maps (w/o shift, with shift, with Alt Gr, etc.). So I have to write down all the chars for different layouts somewhere in the code. Especially for layouts and languages where two or more key pre…
Compile Readline for x86 system (static mode)
I am writing a program in QT Creator, for the x86 architecture, using Debian 9 x86. The program will use GNU Readline library [8.0]. Also, my program must be statically built (QT is already statically built). For this I downloaded Readline from here. Then performed the configuration for the static assembly: t…
Qt 5.10 QGraphicsView cannot scale QGraphicsScene to fullscreen
I am experimenting with Qt 5.10 QMultimedia on Ubuntu 16.04 to play Gstreamer recorded videos. The meat of the application is shown below. I cannot seem to get the video to scale to the full Qt screen after I call showMaximized(). The small video shown in the middle of the screen is shown below ( I want it to…
How to link properly Dcmtk with Qt for Linux?
My goal is open Dicom files and convert thes into cv::Mat to process them with Opencv. I have compiled dcmtk 3.6.3 on ubuntu 18.4.1 and tried to link it with Qt 5.11.1 with Qt Creator 4.6.2 but failed to do so. and for the main: #include and I got this errors: Answer The error indicates that the linker could …
How to add webrtc native apis into my qt project?
I have been in trouble for a few days, so I really need some exports of webrtc to help me. I compiled successfully with the source code by ninja, and I can run the peerconnection example. I add the static libraries(.a file) into my qt project one by one, and then I set the include path to the source code