Daviddoria: /* form.cpp */

2011-06-22T21:19:50Z

‎form.cpp

Daviddoria: Created page with '==FileDialogDefaultSuffix.cpp== #include #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); Form myFo…'

2011-06-22T11:32:43Z

Created page with '==FileDialogDefaultSuffix.cpp== <source lang="cpp"> #include <QApplication> #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); Form myFo…'

New page

==FileDialogDefaultSuffix.cpp==
<source lang="cpp">
#include <QApplication>

#include "form.h"

int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Form myForm;
myForm.show();
return app.exec();
}

</source>

==form.cpp==
<source lang="cpp">
#include <QtGui>

#include "form.h"

#include <iostream>
#include <string>

#include <QFileDialog>
#include <QString>

Form::Form(QWidget* parent)
: QWidget(parent)
{
setupUi(this);
}

void Form::on_btnSave_clicked()
{
/*
// Use the static function
//set a filename to save
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save Image"), "/home/doriad", tr("Image Files (*.png *.jpg *.bmp)"));

std::cout << "Set filename: " << fileName.toStdString() << std::endl;
*/

/*
// For some reason this doesn't work?
QFileDialog dialog(this);
//dialog.setFilter(".png .bmp");
dialog.setNameFilter("*.png;;*.bmp");
dialog.setDefaultSuffix("png");
QString fileName = dialog.getSaveFileName();
*/

QString fileName = QFileDialog::getSaveFileName(this,
"Save Image", ".", "Image Files (*.png *.jpg *.bmp)");
QFileInfo file(fileName);
if(file.suffix().isEmpty())
{
fileName += ".png";
}
std::cout << "Set save filename: " << fileName.toStdString() << std::endl;
}

</source>

==form.h==
<source lang="cpp">
#ifndef FORM_H
#define FORM_H

#include <QWidget>

#include "ui_form.h"

class Form : public QWidget, private Ui::Form
{
Q_OBJECT

public:
Form(QWidget *parent = 0);

private slots:
void on_btnSave_clicked();

};

#endif

</source>

==form.ui==
<source lang="text">
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>Form</class>
<widget class="QWidget" name="Form">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="btnOpenFile">
<property name="geometry">
<rect>
<x>40</x>
<y>90</y>
<width>91</width>
<height>27</height>
</rect>
</property>
<property name="text">
<string>Open File</string>
</property>
</widget>
<widget class="QPushButton" name="btnOpenDirectory">
<property name="geometry">
<rect>
<x>170</x>
<y>90</y>
<width>181</width>
<height>27</height>
</rect>
</property>
<property name="text">
<string>Open Directory</string>
</property>
</widget>
<widget class="QPushButton" name="btnSave">
<property name="geometry">
<rect>
<x>140</x>
<y>180</y>
<width>91</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>Save</string>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>

</source>

==CMakeLists.txt==
<source lang="cmake">
cmake_minimum_required(VERSION 2.6)

PROJECT(FileDialogDefaultSuffix)

FIND_PACKAGE(Qt4 REQUIRED)
INCLUDE(${QT_USE_FILE})

include_directories(${include_directories} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})

QT4_WRAP_UI(UISrcs form.ui)
QT4_WRAP_CPP(MOCSrcs form.h)

ADD_EXECUTABLE(FileDialogDefaultSuffix FileDialogDefaultSuffix.cpp form.cpp
${MOCSrcs} ${UISrcs})
TARGET_LINK_LIBRARIES(FileDialogDefaultSuffix ${QT_LIBRARIES})

</source>

@@ Line 35: / Line 35: @@
 void Form::on_btnSave_clicked()
+{
-  /*
+#include <QtGui>
-  // Use the static function
-  //set a filename to save
-  QString fileName = QFileDialog::getSaveFileName(this,
-     tr("Save Image"), "/home/doriad", tr("Image Files (*.png *.jpg *.bmp)"));
-  std::cout << "Set filename: " << fileName.toStdString() << std::endl;
+#include "form.h"
-  */
+#include <iostream>
    /*
-   // For some reason this doesn't work?
+   // This doesn't work because it still calls the static getSaveFileName
    QFileDialog dialog(this);
    //dialog.setFilter(".png .bmp");
@@ Line 53: / Line 62: @@
    */
-   QString fileName = QFileDialog::getSaveFileName(this,
+   QFileDialog dialog(this);
-     "Save Image", ".", "Image Files (*.png *.jpg *.bmp)");
+  dialog.setNameFilter("*.png;;*.bmp");
-   QFileInfo file(fileName);
+   dialog.setDefaultSuffix("png");
-   if(file.suffix().isEmpty())
+  dialog.exec();
-    fileName += ".png";
+  QString fileName = dialog.selectedFiles()[0];
    std::cout << "Set save filename: " << fileName.toStdString() << std::endl;
+}

Qt/Widgets/FileDialogDefaultSuffix - Revision history

Daviddoria: /* form.cpp */

Daviddoria: Created page with '==FileDialogDefaultSuffix.cpp== #include #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); Form myFo…'