(C++) QFileDialogExample1

 

 

QFileDialog example 1: crafting a QFileDialog to select a file is a QFileDialog example.

 

• View a screenshot of 'CppQFileDialogExample1' (png)
• Download the Qt Creator project 'CppQFileDialogExample1' (zip)

Technical facts

 

Application type(s)

• Desktop application

Operating system(s) or programming environment(s)

• Lubuntu 15.04 (vivid)

IDE(s):

• Qt Creator 3.1.1

Project type:

• GUI application

C++ standard:

• C++11

Compiler(s):

• G++ 4.9.2

Libraries used:

• Qt: version 5.4.1 (32 bit)
• STL: GNU ISO C++ Library, version 4.9.2

 

 

 

 

 

Qt project file: ./CppQFileDialogExample1/CppQFileDialogExample1.pro

 

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exists (../../DesktopApplication.pri) {   include(../../DesktopApplication.pri) } !exists (../../DesktopApplication.pri) {   QT += core   QT += gui   greaterThan(QT_MAJOR_VERSION, 4): QT += widgets   CONFIG   += console   CONFIG   -= app_bundle   TEMPLATE = app   CONFIG(release, debug|release) {     DEFINES += NDEBUG NTRACE_BILDERBIKKEL   }   QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++   unix {     QMAKE_CXXFLAGS += -Werror   } } exists(../../Libraries/Boost.pri) {   include(../../Libraries/Boost.pri) } !exists(../../Libraries/Boost.pri) {   win32 {     INCLUDEPATH += \       ../../Libraries/boost_1_55_0   } } SOURCES += main.cpp

 

 

 

 

 

./CppQFileDialogExample1/main.cpp

 

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#include <cassert> #include <iostream> #include <QApplication> #include <QFileDialog> int main(int argc, char *argv[]) {   QApplication a(argc, argv);   QFileDialog d;   //enum ViewMode { Detail, List };   d.setViewMode(QFileDialog::Detail);   //enum FileMode { AnyFile, ExistingFile, Directory, ExistingFiles, DirectoryOnly };   d.setFileMode(QFileDialog::ExistingFiles);   //enum AcceptMode { AcceptOpen, AcceptSave };   d.setAcceptDrops(QFileDialog::AcceptOpen);   //enum Option { ShowDirsOnly, DontResolveSymlinks, DontConfirmOverwrite, DontUseSheet, DontUseNativeDialog, ReadOnly, HideNameFilterDetails }   d.setOptions(QFileDialog::ReadOnly);   d.exec();   if (d.result() == QDialog::Accepted)   {     std::cout << "Number of files selected: " << d.selectedFiles().size() << '\n';     const auto v = d.selectedFiles();     for (auto s: v) std::cout << s.toStdString() << '\n';   }   else   {     assert(d.result() == QDialog::Rejected);     std::cout << "Dialog closed with cancel or close\n";   } } /* Example output: Number of files selected: 3 /home/richel/ProjectRichelBilderbeek/Test/build-CppQFileDialogExample1-Qt_5_0_1_qt5-Debug/CppQFileDialogExample1 /home/richel/ProjectRichelBilderbeek/Test/build-CppQFileDialogExample1-Qt_5_0_1_qt5-Debug/main.o /home/richel/ProjectRichelBilderbeek/Test/build-CppQFileDialogExample1-Qt_5_0_1_qt5-Debug/Makefile */