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133 lines
4.0 KiB
133 lines
4.0 KiB
/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "popup.h"
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#include <qapplication.h>
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#include <qlayout.h>
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FancyPopup::FancyPopup( QWidget* parent, const char* name ):
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QLabel( parent, name, WType_Popup ){
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setFrameStyle( WinPanel|Raised );
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setAlignment( AlignCenter );
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resize(150,100);
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moves = 0;
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setMouseTracking( TRUE );
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}
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void FancyPopup::mouseMoveEvent( QMouseEvent * e){
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moves++;
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QString s;
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s.sprintf("%d/%d", e->pos().x(), e->pos().y());
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if (e->state() & QMouseEvent::LeftButton)
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s += " (down)";
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setText(s);
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}
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void FancyPopup::mouseReleaseEvent( QMouseEvent * e){
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if (rect().contains( e->pos() ) || moves > 5)
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close();
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}
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void FancyPopup::closeEvent( QCloseEvent *e ){
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e->accept();
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moves = 0;
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if (!popupParent)
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return;
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// remember that we (as a popup) might recieve the mouse release
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// event instead of the popupParent. This is due to the fact that
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// the popupParent popped us up in its mousePressEvent handler. To
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// avoid the button remaining in pressed state we simply send a
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// faked mouse button release event to it.
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QMouseEvent me( QEvent::MouseButtonRelease, QPoint(0,0), QPoint(0,0), QMouseEvent::LeftButton, QMouseEvent::NoButton);
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QApplication::sendEvent( popupParent, &me );
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}
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void FancyPopup::popup( QWidget* parent) {
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popupParent = parent;
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setText("Move the mouse!");
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if (popupParent)
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move( popupParent->mapToGlobal( popupParent->rect().bottomLeft() ) );
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show();
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}
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Frame::Frame(QWidget* parent, const char* name): QFrame(parent, name){
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button1 = new QPushButton("Simple Popup", this);
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connect ( button1, SIGNAL( clicked() ), SLOT( button1Clicked() ) );
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button2 = new QPushButton("Fancy Popup", this);
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connect ( button2, SIGNAL( pressed() ), SLOT( button2Pressed() ) );
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QBoxLayout * l = new QHBoxLayout( this );
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button1->setMaximumSize(button1->sizeHint());
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button2->setMaximumSize(button2->sizeHint());
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l->addWidget( button1 );
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l->addWidget( button2 );
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l->activate();
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// button1->setGeometry(20,20,100,30);
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// button2->setGeometry(140,20,100,30);
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resize(270, 70);
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//create a very simple popup: it is just composed with other
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//widget and will be shown after clicking on button1
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popup1 = new QFrame( this ,0, WType_Popup);
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popup1->setFrameStyle( WinPanel|Raised );
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popup1->resize(150,100);
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QLineEdit *tmpE = new QLineEdit( popup1 );
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connect( tmpE, SIGNAL( returnPressed() ), popup1, SLOT( hide() ) );
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tmpE->setGeometry(10,10, 130, 30);
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tmpE->setFocus();
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QPushButton *tmpB = new QPushButton("Click me!", popup1);
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connect( tmpB, SIGNAL( clicked() ), popup1, SLOT( close() ) );
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tmpB->setGeometry(10, 50, 130, 30);
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// the fancier version uses its own class. It will be shown when
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// pressing button2, so they behavior is more like a modern menu
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// or toolbar.
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popup2 = new FancyPopup( this );
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// you might also add new widgets to the popup, just like you do
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// it with any other widget. The next four lines (if not
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// commented out) will for instance add a line edit widget.
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// tmpE = new QLineEdit( popup2 );
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// tmpE->setFocus();
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// connect( tmpE, SIGNAL( returnPressed() ), popup2, SLOT( close() ) );
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// tmpE->setGeometry(10, 10, 130, 30);
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}
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void Frame::button1Clicked(){
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popup1->move( mapToGlobal( button1->geometry().bottomLeft() ) );
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popup1->show();
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}
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void Frame::button2Pressed(){
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popup2->popup(button2);
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}
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int main( int argc, char **argv )
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{
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QApplication a(argc,argv);
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Frame frame;
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frame.setCaption("Qt Example - Custom Popups");
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a.setMainWidget(&frame);
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frame.show();
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return a.exec();
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}
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