diff options
Diffstat (limited to 'doc/codesnippets/doc/src/snippets/signalmapper')
7 files changed, 116 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/signalmapper/accountsfile.txt b/doc/codesnippets/doc/src/snippets/signalmapper/accountsfile.txt new file mode 100644 index 000000000..2ec5ffbc1 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/signalmapper/accountsfile.txt @@ -0,0 +1 @@ +1 + 1 = 2 diff --git a/doc/codesnippets/doc/src/snippets/signalmapper/filereader.cpp b/doc/codesnippets/doc/src/snippets/signalmapper/filereader.cpp new file mode 100644 index 000000000..8732dab34 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/signalmapper/filereader.cpp @@ -0,0 +1,59 @@ +#include <QtGui> +#include "filereader.h" + + +FileReader::FileReader(QWidget *parent) + : QWidget(parent) +{ + textEdit = new QTextEdit; + + taxFileButton = new QPushButton("Tax File"); + accountFileButton = new QPushButton("Accounts File"); + reportFileButton = new QPushButton("Report File"); + +//! [0] + signalMapper = new QSignalMapper(this); + signalMapper->setMapping(taxFileButton, QString("taxfile.txt")); + signalMapper->setMapping(accountFileButton, QString("accountsfile.txt")); + signalMapper->setMapping(reportFileButton, QString("reportfile.txt")); + + connect(taxFileButton, SIGNAL(clicked()), + signalMapper, SLOT (map())); + connect(accountFileButton, SIGNAL(clicked()), + signalMapper, SLOT (map())); + connect(reportFileButton, SIGNAL(clicked()), + signalMapper, SLOT (map())); +//! [0] + +//! [1] + connect(signalMapper, SIGNAL(mapped(const QString &)), + this, SLOT(readFile(const QString &))); +//! [1] + + QHBoxLayout *buttonLayout = new QHBoxLayout; + buttonLayout->addWidget(taxFileButton); + buttonLayout->addWidget(accountFileButton); + buttonLayout->addWidget(reportFileButton); + + QVBoxLayout *mainLayout = new QVBoxLayout; + mainLayout->addWidget(textEdit); + mainLayout->addLayout(buttonLayout); + + setLayout(mainLayout); +} + +void FileReader::readFile(const QString &filename) +{ + QFile file(filename); + + if (!file.open(QIODevice::ReadOnly)) { + QMessageBox::information(this, tr("Unable to open file"), + file.errorString()); + return; + } + + + QTextStream in(&file); + textEdit->setPlainText(in.readAll()); +} + diff --git a/doc/codesnippets/doc/src/snippets/signalmapper/filereader.h b/doc/codesnippets/doc/src/snippets/signalmapper/filereader.h new file mode 100644 index 000000000..a3be08829 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/signalmapper/filereader.h @@ -0,0 +1,28 @@ +#ifndef FILEREADER_H +#define FILEREADER_H + +#include <QTextEdit> +#include <QPushButton> +#include <QSignalMapper> + +class FileReader : public QWidget +{ + Q_OBJECT + +public: + FileReader(QWidget *parent=0); + void readFromFile(QString filename); + +public slots: + void readFile(const QString &); + +private: + QTextEdit *textEdit; + QPushButton *taxFileButton; + QPushButton *accountFileButton; + QPushButton *reportFileButton; + QSignalMapper *signalMapper; +}; + +#endif + diff --git a/doc/codesnippets/doc/src/snippets/signalmapper/main.cpp b/doc/codesnippets/doc/src/snippets/signalmapper/main.cpp new file mode 100644 index 000000000..ebc601b7b --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/signalmapper/main.cpp @@ -0,0 +1,13 @@ +#include <QtGui> +#include "filereader.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + FileReader *reader = new FileReader; + reader->show(); + + return app.exec(); +} + diff --git a/doc/codesnippets/doc/src/snippets/signalmapper/reportfile.txt b/doc/codesnippets/doc/src/snippets/signalmapper/reportfile.txt new file mode 100644 index 000000000..30123cc60 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/signalmapper/reportfile.txt @@ -0,0 +1,2 @@ +Tax this year = 50% +Total profit = 2 diff --git a/doc/codesnippets/doc/src/snippets/signalmapper/signalmapper.pro b/doc/codesnippets/doc/src/snippets/signalmapper/signalmapper.pro new file mode 100644 index 000000000..9a9d66955 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/signalmapper/signalmapper.pro @@ -0,0 +1,12 @@ +###################################################################### +# Automatically generated by qmake (2.01a) Wed Jul 2 14:50:56 2008 +###################################################################### + +TEMPLATE = app +TARGET = +DEPENDPATH += . +INCLUDEPATH += . + +# Input +HEADERS += filereader.h +SOURCES += filereader.cpp main.cpp diff --git a/doc/codesnippets/doc/src/snippets/signalmapper/taxfile.txt b/doc/codesnippets/doc/src/snippets/signalmapper/taxfile.txt new file mode 100644 index 000000000..a682e0aaa --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/signalmapper/taxfile.txt @@ -0,0 +1 @@ +Tax this year = 50% |