From 4c3a1de5289631db05b86a07092f0a334608dcf6 Mon Sep 17 00:00:00 2001
From: zecke <zecke>
Date: Sat, 30 Aug 2003 20:23:05 +0000
Subject: Add four examples
#1 simple widget + OApplicationFactory + qmake usage explained
#2 simple icons + usage of Resource and playing of sounds
#3 simple main + Toolbar + MenuBar IconSets and QActions explained
#4 main tab + Usage of OTabWidget and QSignals with parameters disconnect and connect
TODO
#5 PIM loading and viewing
#6 PIM qcop + usage of QCOP
BuildSystem integration
---
(limited to 'examples/main-tab/simple.cpp')
diff --git a/examples/main-tab/simple.cpp b/examples/main-tab/simple.cpp
new file mode 100644
index 0000000..69dd00f
--- a/dev/null
+++ b/examples/main-tab/simple.cpp
@@ -0,0 +1,211 @@
+#include <qaction.h> // action
+#include <qmenubar.h> // menubar
+#include <qtoolbar.h> // toolbar
+#include <qlabel.h> // a label
+#include <qpushbutton.h> // the header file for the QPushButton
+#include <qlayout.h>
+
+#include <qpe/qpeapplication.h> // the QPEApplication
+#include <qpe/resource.h>
+#include <qpe/sound.h>
+
+#include <opie/oapplicationfactory.h> // a template + macro to save the main method and allow quick launching
+#include <opie/otabwidget.h>
+
+#include "simple.h"
+
+/*
+ * implementation of simple
+ */
+
+/*
+ * The factory is used for quicklaunching
+ * It needs a constructor ( c'tor ) with at least QWidget, const char* and WFlags as parameter and a static QString appName() matching the TARGET of the .pro
+ *
+ * Depending on the global quick launch setting this will create
+ * either a main method or one for our component plugin system
+ */
+
+OPIE_EXPORT_APP( OApplicationFactory<MainWindow> )
+
+MainWindow::MainWindow(QWidget *parent, const char* name, WFlags fl )
+ : QMainWindow( parent, name, fl ) {
+ setCaption(tr("My MainWindow") );
+
+ initUI();
+
+
+ /*
+ * Tab widget as central
+ */
+ OTabWidget *tab = new OTabWidget(this);
+ connect(tab, SIGNAL(currentChanged(QWidget*) ),
+ this, SLOT( slotCurrentChanged( QWidget* ) ) );
+ setCentralWidget( tab );
+
+ Simple1 *simple1 = new Simple1( this );
+ tab->addTab( simple1, "new", tr("Simple1") );
+ tab->setCurrentTab( tr("Simple1") );
+
+ Simple2 *simple2 = new Simple2( this );
+ tab->addTab( simple2, "trash", tr("Simple2") );
+
+ m_oldCurrent = simple1;
+
+ connect(m_fire, SIGNAL(activated() ),
+ simple1, SLOT(slotFire() ) );
+}
+
+MainWindow::~MainWindow() {
+ // again nothing to delete because Qt takes care
+}
+
+
+void MainWindow::setDocument( const QString& /*str*/ ) {
+}
+void MainWindow::slotCurrentChanged( QWidget *wid) {
+ disconnect(m_fire, SIGNAL(activated() ),
+ m_oldCurrent, SLOT(slotFire() ) );
+ connect(m_fire, SIGNAL(activated() ),
+ wid, SLOT(slotFire() ) );
+
+ m_oldCurrent = wid;
+}
+
+void MainWindow::initUI() {
+
+ setToolBarsMovable( false );
+
+ QToolBar *menuBarHolder = new QToolBar( this );
+
+ menuBarHolder->setHorizontalStretchable( true );
+ QMenuBar *mb = new QMenuBar( menuBarHolder );
+ QToolBar *tb = new QToolBar( this );
+
+ QPopupMenu *fileMenu = new QPopupMenu( this );
+
+
+ QAction *a = new QAction( tr("Quit"), Resource::loadIconSet("quit_icon"),
+ QString::null, 0, this, "quit_action" );
+ /*
+ * Connect quit to the QApplication quit slot
+ */
+ connect(a, SIGNAL(activated() ),
+ qApp, SLOT(quit() ) );
+ a->addTo( fileMenu );
+
+ a = new QAction(tr("Fire"),
+ Resource::loadIconSet("new"),
+ QString::null, 0, this, "fire_button");
+
+ /* see the power? */
+ a->addTo( fileMenu );
+ a->addTo( tb );
+ m_fire = a;
+
+
+ mb->insertItem(tr("File"), fileMenu );
+
+}
+
+Simple1::Simple1( QWidget* parent, const char* name, WFlags fl )
+ : QWidget( parent, name, fl ) {
+
+ QVBoxLayout *layout = new QVBoxLayout( this );
+ layout->setSpacing( 8 );
+ layout->setMargin( 11 );
+
+
+ QLabel *lbl = new QLabel( this, "a name for the label" );
+ lbl->setText( tr("Click on the button or follow the white rabbit") );
+ layout->addWidget( lbl );
+
+
+ m_button = new QPushButton(this);
+
+
+ m_button->setText( tr("Fire", "translatable quit string" ) );
+ layout->addWidget( m_button );
+
+
+ connect( m_button, SIGNAL(clicked() ),
+ this, SLOT( slotFire() ) );
+}
+
+Simple1::~Simple1() {
+
+}
+
+void Simple1::slotFire() {
+ /*
+ * NOTE: Simple is now a child window of MainWindow
+ * close will hide() Simple and not delete it. But as
+ * the mainwindow is shown all children will be shown as well
+ */
+ close();
+}
+
+
+Simple2::Simple2( QWidget* parent, const char* name, WFlags fl )
+ : QWidget( parent, name, fl ) {
+
+ /*
+ * sets the caption of this toplevel widget
+ * put all translatable string into tr()
+ */
+ setCaption(tr("My Simple Application") );
+
+ /*
+ * A simple vertical layout
+ * either call layout->setAutoAdd( true )
+ * or use layout->addWidget( wid ) to add widgets
+ */
+ QVBoxLayout *layout = new QVBoxLayout( this );
+ layout->setSpacing( 8 );
+ layout->setMargin( 11 );
+
+ /*
+ * creates a label
+ * The first parameter is this widget so the Label is a child
+ * of us and will be deleted when we're deleted.
+ */
+ QLabel *lbl = new QLabel( this, "a name for the label" );
+ /*
+ * Resource will search hard for a Pixmap in $OPIEDIR/pics
+ * to find 'logo/opielogo' You need to pass the subdir
+ * but not the ending
+ */
+ lbl->setPixmap( Resource::loadPixmap("logo/opielogo") );
+ layout->addWidget( lbl );
+
+
+ /* creates a button as child of this widget */
+ m_button = new QPushButton(this);
+ /*
+ * another way to call tr. The first parameter is the string
+ * to translate and the second a hint to the translator
+ */
+ m_button->setText( tr("Fire", "translatable fire string" ) );
+ layout->addWidget( m_button );
+
+
+ connect( m_button, SIGNAL(clicked() ),
+ this, SLOT( slotQuit() ) );
+}
+
+
+Simple2::~Simple2() {
+
+}
+
+void Simple2::slotFire() {
+ /*
+ * We will fire up a sound
+ * Note that Sound will use Resource as well
+ * and we do not need to supply an ending
+ * sounds are found in $OPIEDIR/sounds
+ */
+ Sound snd("hit_target01");
+ snd.play();
+
+}
--
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