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authorTimothy Pearson <[email protected]>2011-07-10 15:24:15 -0500
committerTimothy Pearson <[email protected]>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /examples/application
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
Diffstat (limited to 'examples/application')
-rw-r--r--examples/application/application.cpp294
-rw-r--r--examples/application/application.doc34
-rw-r--r--examples/application/application.h46
-rw-r--r--examples/application/application.pro11
-rw-r--r--examples/application/fileopen.xpm22
-rw-r--r--examples/application/fileprint.xpm24
-rw-r--r--examples/application/filesave.xpm22
-rw-r--r--examples/application/main.cpp20
8 files changed, 473 insertions, 0 deletions
diff --git a/examples/application/application.cpp b/examples/application/application.cpp
new file mode 100644
index 0000000..2435a5d
--- /dev/null
+++ b/examples/application/application.cpp
@@ -0,0 +1,294 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of an example program for Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "application.h"
+
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qtoolbar.h>
+#include <qtoolbutton.h>
+#include <qpopupmenu.h>
+#include <qmenubar.h>
+#include <qtextedit.h>
+#include <qfile.h>
+#include <qfiledialog.h>
+#include <qstatusbar.h>
+#include <qmessagebox.h>
+#include <qprinter.h>
+#include <qapplication.h>
+#include <qaccel.h>
+#include <qtextstream.h>
+#include <qpainter.h>
+#include <qpaintdevicemetrics.h>
+#include <qwhatsthis.h>
+#include <qsimplerichtext.h>
+
+#include "filesave.xpm"
+#include "fileopen.xpm"
+#include "fileprint.xpm"
+
+ApplicationWindow::ApplicationWindow()
+ : QMainWindow( 0, "example application main window", WDestructiveClose | WGroupLeader )
+{
+ printer = new QPrinter( QPrinter::HighResolution );
+ QPixmap openIcon, saveIcon, printIcon;
+
+ QToolBar * fileTools = new QToolBar( this, "file operations" );
+ fileTools->setLabel( "File Operations" );
+
+ openIcon = QPixmap( fileopen );
+ QToolButton * fileOpen
+ = new QToolButton( openIcon, "Open File", QString::null,
+ this, SLOT(choose()), fileTools, "open file" );
+
+ saveIcon = QPixmap( filesave );
+ QToolButton * fileSave
+ = new QToolButton( saveIcon, "Save File", QString::null,
+ this, SLOT(save()), fileTools, "save file" );
+
+ printIcon = QPixmap( fileprint );
+ QToolButton * filePrint
+ = new QToolButton( printIcon, "Print File", QString::null,
+ this, SLOT(print()), fileTools, "print file" );
+
+
+ (void)QWhatsThis::whatsThisButton( fileTools );
+
+ const char * fileOpenText = "<p><img source=\"fileopen\"> "
+ "Click this button to open a <em>new file</em>.<br>"
+ "You can also select the <b>Open</b> command "
+ "from the <b>File</b> menu.</p>";
+
+ QWhatsThis::add( fileOpen, fileOpenText );
+
+ QMimeSourceFactory::defaultFactory()->setPixmap( "fileopen", openIcon );
+
+ const char * fileSaveText = "<p>Click this button to save the file you "
+ "are editing. You will be prompted for a file name.\n"
+ "You can also select the <b>Save</b> command "
+ "from the <b>File</b> menu.</p>";
+
+ QWhatsThis::add( fileSave, fileSaveText );
+
+ const char * filePrintText = "Click this button to print the file you "
+ "are editing.\n"
+ "You can also select the Print command "
+ "from the File menu.";
+
+ QWhatsThis::add( filePrint, filePrintText );
+
+
+ QPopupMenu * file = new QPopupMenu( this );
+ menuBar()->insertItem( "&File", file );
+
+
+ file->insertItem( "&New", this, SLOT(newDoc()), CTRL+Key_N );
+
+ int id;
+ id = file->insertItem( openIcon, "&Open...",
+ this, SLOT(choose()), CTRL+Key_O );
+ file->setWhatsThis( id, fileOpenText );
+
+ id = file->insertItem( saveIcon, "&Save",
+ this, SLOT(save()), CTRL+Key_S );
+ file->setWhatsThis( id, fileSaveText );
+
+ id = file->insertItem( "Save &As...", this, SLOT(saveAs()) );
+ file->setWhatsThis( id, fileSaveText );
+
+ file->insertSeparator();
+
+ id = file->insertItem( printIcon, "&Print...",
+ this, SLOT(print()), CTRL+Key_P );
+ file->setWhatsThis( id, filePrintText );
+
+ file->insertSeparator();
+
+ file->insertItem( "&Close", this, SLOT(close()), CTRL+Key_W );
+
+ file->insertItem( "&Quit", qApp, SLOT( closeAllWindows() ), CTRL+Key_Q );
+
+ menuBar()->insertSeparator();
+
+ QPopupMenu * help = new QPopupMenu( this );
+ menuBar()->insertItem( "&Help", help );
+
+ help->insertItem( "&About", this, SLOT(about()), Key_F1 );
+ help->insertItem( "About &Qt", this, SLOT(aboutQt()) );
+ help->insertSeparator();
+ help->insertItem( "What's &This", this, SLOT(whatsThis()), SHIFT+Key_F1 );
+
+ e = new QTextEdit( this, "editor" );
+ e->setFocus();
+ setCentralWidget( e );
+ statusBar()->message( "Ready", 2000 );
+
+ resize( 450, 600 );
+}
+
+
+ApplicationWindow::~ApplicationWindow()
+{
+ delete printer;
+}
+
+
+
+void ApplicationWindow::newDoc()
+{
+ ApplicationWindow *ed = new ApplicationWindow;
+ ed->setCaption("Qt Example - Application");
+ ed->show();
+}
+
+void ApplicationWindow::choose()
+{
+ QString fn = QFileDialog::getOpenFileName( QString::null, QString::null,
+ this);
+ if ( !fn.isEmpty() )
+ load( fn );
+ else
+ statusBar()->message( "Loading aborted", 2000 );
+}
+
+
+void ApplicationWindow::load( const QString &fileName )
+{
+ QFile f( fileName );
+ if ( !f.open( IO_ReadOnly ) )
+ return;
+
+ QTextStream ts( &f );
+ e->setText( ts.read() );
+ e->setModified( FALSE );
+ setCaption( fileName );
+ statusBar()->message( "Loaded document " + fileName, 2000 );
+}
+
+
+void ApplicationWindow::save()
+{
+ if ( filename.isEmpty() ) {
+ saveAs();
+ return;
+ }
+
+ QString text = e->text();
+ QFile f( filename );
+ if ( !f.open( IO_WriteOnly ) ) {
+ statusBar()->message( QString("Could not write to %1").arg(filename),
+ 2000 );
+ return;
+ }
+
+ QTextStream t( &f );
+ t << text;
+ f.close();
+
+ e->setModified( FALSE );
+
+ setCaption( filename );
+
+ statusBar()->message( QString( "File %1 saved" ).arg( filename ), 2000 );
+}
+
+
+void ApplicationWindow::saveAs()
+{
+ QString fn = QFileDialog::getSaveFileName( QString::null, QString::null,
+ this );
+ if ( !fn.isEmpty() ) {
+ filename = fn;
+ save();
+ } else {
+ statusBar()->message( "Saving aborted", 2000 );
+ }
+}
+
+
+void ApplicationWindow::print()
+{
+ printer->setFullPage( TRUE );
+ if ( printer->setup(this) ) { // printer dialog
+ statusBar()->message( "Printing..." );
+ QPainter p;
+ if( !p.begin( printer ) ) { // paint on printer
+ statusBar()->message( "Printing aborted", 2000 );
+ return;
+ }
+
+ QPaintDeviceMetrics metrics( p.device() );
+ int dpiy = metrics.logicalDpiY();
+ int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins
+ QRect view( margin, margin, metrics.width() - 2*margin, metrics.height() - 2*margin );
+ QSimpleRichText richText( QStyleSheet::convertFromPlainText(e->text()),
+ QFont(),
+ e->context(),
+ e->styleSheet(),
+ e->mimeSourceFactory(),
+ view.height() );
+ richText.setWidth( &p, view.width() );
+ int page = 1;
+ do {
+ richText.draw( &p, margin, margin, view, colorGroup() );
+ view.moveBy( 0, view.height() );
+ p.translate( 0 , -view.height() );
+ p.drawText( view.right() - p.fontMetrics().width( QString::number( page ) ),
+ view.bottom() + p.fontMetrics().ascent() + 5, QString::number( page ) );
+ if ( view.top() - margin >= richText.height() )
+ break;
+ printer->newPage();
+ page++;
+ } while (TRUE);
+
+ statusBar()->message( "Printing completed", 2000 );
+ } else {
+ statusBar()->message( "Printing aborted", 2000 );
+ }
+}
+
+void ApplicationWindow::closeEvent( QCloseEvent* ce )
+{
+ if ( !e->isModified() ) {
+ ce->accept();
+ return;
+ }
+
+ switch( QMessageBox::information( this, "Qt Application Example",
+ "Do you want to save the changes"
+ " to the document?",
+ "Yes", "No", "Cancel",
+ 0, 1 ) ) {
+ case 0:
+ save();
+ ce->accept();
+ break;
+ case 1:
+ ce->accept();
+ break;
+ case 2:
+ default: // just for sanity
+ ce->ignore();
+ break;
+ }
+}
+
+
+void ApplicationWindow::about()
+{
+ QMessageBox::about( this, "Qt Application Example",
+ "This example demonstrates simple use of "
+ "QMainWindow,\nQMenuBar and QToolBar.");
+}
+
+
+void ApplicationWindow::aboutQt()
+{
+ QMessageBox::aboutQt( this, "Qt Application Example" );
+}
diff --git a/examples/application/application.doc b/examples/application/application.doc
new file mode 100644
index 0000000..731bda0
--- /dev/null
+++ b/examples/application/application.doc
@@ -0,0 +1,34 @@
+/*
+*/
+
+/*! \page simple-application-example.html
+
+ \ingroup examples
+
+ \title A Complete Application Window
+
+ This example program looks like a complete modern application. It
+ has a menu bar, it has a tool bar, it has a status bar and works
+ like a simple text editor.
+
+ There is a <a href="simple-application.html">walkthrough</a> of
+ this example.
+
+ <hr>
+
+ Header file:
+
+ \include application/application.h
+
+ <hr>
+
+ Implementation:
+
+ \include application/application.cpp
+
+ <hr>
+
+ Main:
+
+ \include application/main.cpp
+*/
diff --git a/examples/application/application.h b/examples/application/application.h
new file mode 100644
index 0000000..5448aa1
--- /dev/null
+++ b/examples/application/application.h
@@ -0,0 +1,46 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of an example program for Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#ifndef APPLICATION_H
+#define APPLICATION_H
+
+#include <qmainwindow.h>
+
+class QTextEdit;
+
+class ApplicationWindow: public QMainWindow
+{
+ Q_OBJECT
+
+public:
+ ApplicationWindow();
+ ~ApplicationWindow();
+
+protected:
+ void closeEvent( QCloseEvent* );
+
+private slots:
+ void newDoc();
+ void choose();
+ void load( const QString &fileName );
+ void save();
+ void saveAs();
+ void print();
+
+ void about();
+ void aboutQt();
+
+private:
+ QPrinter *printer;
+ QTextEdit *e;
+ QString filename;
+};
+
+
+#endif
diff --git a/examples/application/application.pro b/examples/application/application.pro
new file mode 100644
index 0000000..7f10912
--- /dev/null
+++ b/examples/application/application.pro
@@ -0,0 +1,11 @@
+TEMPLATE = app
+TARGET = application
+
+CONFIG += qt warn_on release
+DEPENDPATH = ../../include
+
+REQUIRES = full-config
+
+HEADERS = application.h
+SOURCES = application.cpp \
+ main.cpp
diff --git a/examples/application/fileopen.xpm b/examples/application/fileopen.xpm
new file mode 100644
index 0000000..880417e
--- /dev/null
+++ b/examples/application/fileopen.xpm
@@ -0,0 +1,22 @@
+/* XPM */
+static const char *fileopen[] = {
+" 16 13 5 1",
+". c #040404",
+"# c #808304",
+"a c None",
+"b c #f3f704",
+"c c #f3f7f3",
+"aaaaaaaaa...aaaa",
+"aaaaaaaa.aaa.a.a",
+"aaaaaaaaaaaaa..a",
+"a...aaaaaaaa...a",
+".bcb.......aaaaa",
+".cbcbcbcbc.aaaaa",
+".bcbcbcbcb.aaaaa",
+".cbcb...........",
+".bcb.#########.a",
+".cb.#########.aa",
+".b.#########.aaa",
+"..#########.aaaa",
+"...........aaaaa"
+};
diff --git a/examples/application/fileprint.xpm b/examples/application/fileprint.xpm
new file mode 100644
index 0000000..6ada912
--- /dev/null
+++ b/examples/application/fileprint.xpm
@@ -0,0 +1,24 @@
+/* XPM */
+static const char *fileprint[] = {
+" 16 14 6 1",
+". c #000000",
+"# c #848284",
+"a c #c6c3c6",
+"b c #ffff00",
+"c c #ffffff",
+"d c None",
+"ddddd.........dd",
+"dddd.cccccccc.dd",
+"dddd.c.....c.ddd",
+"ddd.cccccccc.ddd",
+"ddd.c.....c....d",
+"dd.cccccccc.a.a.",
+"d..........a.a..",
+".aaaaaaaaaa.a.a.",
+".............aa.",
+".aaaaaa###aa.a.d",
+".aaaaaabbbaa...d",
+".............a.d",
+"d.aaaaaaaaa.a.dd",
+"dd...........ddd"
+};
diff --git a/examples/application/filesave.xpm b/examples/application/filesave.xpm
new file mode 100644
index 0000000..bd6870f
--- /dev/null
+++ b/examples/application/filesave.xpm
@@ -0,0 +1,22 @@
+/* XPM */
+static const char *filesave[] = {
+" 14 14 4 1",
+". c #040404",
+"# c #808304",
+"a c #bfc2bf",
+"b c None",
+"..............",
+".#.aaaaaaaa.a.",
+".#.aaaaaaaa...",
+".#.aaaaaaaa.#.",
+".#.aaaaaaaa.#.",
+".#.aaaaaaaa.#.",
+".#.aaaaaaaa.#.",
+".##........##.",
+".############.",
+".##.........#.",
+".##......aa.#.",
+".##......aa.#.",
+".##......aa.#.",
+"b............."
+};
diff --git a/examples/application/main.cpp b/examples/application/main.cpp
new file mode 100644
index 0000000..517b63d
--- /dev/null
+++ b/examples/application/main.cpp
@@ -0,0 +1,20 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of an example program for Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include <qapplication.h>
+#include "application.h"
+
+int main( int argc, char ** argv ) {
+ QApplication a( argc, argv );
+ ApplicationWindow *mw = new ApplicationWindow();
+ mw->setCaption( "Qt Example - Application" );
+ mw->show();
+ a.connect( &a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()) );
+ return a.exec();
+}