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Archived:Como usar um QStackedLayout

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{{Archived|language=Lang-Portuguese|timestamp=20120216050340|user=[[User:Hamishwillee|&lt;br /&gt;----]]|[[:Category:Qt Quick|Qt Quick]] should be used for all UI development on mobile devices. The approach described in this article (based on {{Qapiname|QWidget}}) is deprecated.}}
[[Category:Qt (Português)]]
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[[Category:Lang-Portuguese]][[Category:Qt C++ UI]][[Category:Code Snippet]][[Category:MeeGo Harmattan]][[Category:Symbian]]
[[Category:Exemplos de código Qt]]
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{{Abstract|Este trecho de código, demonstra como utilizar o ''stacked layout'' em [[Qt (Portuguese)|Qt]]. A classe QStackedLayout provêr uma pilha de widgets, onde apenas um widget é visível por vez.}}
Original em: [[How to use QStackedLayout?]]
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|creationdate=12 January 2009
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==Introdução==
 
 
Este trecho de código, demonstra como utilizar o ''stacked layout'' em [[Qt for Symbian| Qt para Symbian]]. A classe QStackedLayout provêr uma pilha de widgets, onde apenas um widget é visível por vez.
 
 
==Pré-requisitos==
 
 
* Baixe e instale a versão atual do Qt para Symbian segundo as instruções [[Qt para Symbian|deste artigo]].
 
  
 
== Funcionalidades ==
 
== Funcionalidades ==
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  stackedLayout->setStackingMode(QStackedLayout::StackAll);
 
  stackedLayout->setStackingMode(QStackedLayout::StackAll);
  
[[Image:Laayout.PNG ]]
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[[File:Laayout.PNG ]]
  
 
== Código fonte ==
 
== Código fonte ==
  
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<code cpp-qt>
  
  
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== Cabeçalho do arquivo ==
 
== Cabeçalho do arquivo ==
  
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== Captura de tela ==
 
== Captura de tela ==
  
[[Image:stacked1.jpg]]
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[[File:stacked1.jpg]]
  
[[Image:stacked2.jpg]]
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[[File:stacked2.jpg]]
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<!-- Translation --> [[en:Archived:How to use QStackedLayout]]

Latest revision as of 04:13, 11 October 2012

Archived.pngAquivado: Este artigo foi arquivado, pois o conteúdo não é mais considerado relevante para se criar soluções comerciais atuais. Se você achar que este artigo ainda é importante, inclua o template {{ForArchiveReview|escreva a sua justificativa}}.

Qt Quick should be used for all UI development on mobile devices. The approach described in this article (based on QWidget) is deprecated.

Este trecho de código, demonstra como utilizar o stacked layout em Qt. A classe QStackedLayout provêr uma pilha de widgets, onde apenas um widget é visível por vez.

Article Metadata

Testado com
Aparelho(s): Emulator

Compatibilidade
Plataforma(s): S60 3rd Edition FP1, S60 3rd Edition FP2, S60 5th Edition
Symbian

Artigo
Palavras-chave: QStackedLayout
Tradução:
Por valderind4
Última alteração feita por hamishwillee em 11 Oct 2012

Contents

[edit] Funcionalidades

  • Esta propriedade, determina o modo de visibilidade dos widgets filho que são manipulados.
stackedLayout->setStackingMode(QStackedLayout::StackAll);

Laayout.PNG

[edit] Código fonte

#include "stacked.h"
 
stacked::stacked(QWidget *parent)
: QWidget(parent)
{
firstPageWidget = new QWidget(this);
secondPageWidget = new QWidget(this);
thirdPageWidget = new QWidget(this);
label1 = new QLabel("page1",this);
label2 = new QLabel("page2",this);
label3 = new QLabel("page3",this);
Layout1 = new QVBoxLayout(this);
Layout2 = new QVBoxLayout(this);
Layout3 = new QVBoxLayout(this);
Layout1->addWidget(label1);
Layout2->addWidget(label2);
Layout3->addWidget(label3);
firstPageWidget ->setLayout(Layout1);
secondPageWidget ->setLayout(Layout2);
thirdPageWidget ->setLayout(Layout3);
stackedLayout = new QStackedLayout;
stackedLayout->addWidget(firstPageWidget);
stackedLayout->addWidget(secondPageWidget);
stackedLayout->addWidget(thirdPageWidget);
 
mainLayout = new QVBoxLayout;
pageComboBox = new QComboBox;
pageComboBox->addItem(tr("Page 1"));
pageComboBox->addItem(tr("Page 2"));
pageComboBox->addItem(tr("Page 3"));
connect(pageComboBox, SIGNAL(activated(int)),stackedLayout, SLOT(setCurrentIndex(int)));
mainLayout->addWidget(pageComboBox);
mainLayout->addLayout(stackedLayout);
setLayout(mainLayout);
 
}
 
stacked::~stacked()
{
// No need to delete any object that has a parent which is properly deleted.
 
}

[edit] Cabeçalho do arquivo

#ifndef STACKED_H
#define STACKED_H
#include <QLabel>
#include <QtGui/QWidget>
#include "ui_stacked.h"
#include <QVBoxLayout>
#include <QStackedLayout>
#include <QComboBox>
class stacked : public QWidget
{
Q_OBJECT
 
public:
stacked(QWidget *parent = 0);
~stacked();
 
private:
QLabel* label1;
QLabel* label2;
QLabel* label3;
QWidget* firstPageWidget;
QWidget* secondPageWidget;
QWidget* thirdPageWidget;
QComboBox* pageComboBox;
QStackedLayout* stackedLayout;
QVBoxLayout* mainLayout;
QVBoxLayout* Layout1;
QVBoxLayout* Layout2;
QVBoxLayout* Layout3;
 
};
 
#endif // STACKED_H

[edit] Descrição

  • Neste exemplo, três janelas são criados e são organizadas na pilha. Muto embora, apenas uma janela por vez, é visível. Uma combobox é usada para controlar a tela. Através da mudança no combobox, a janela visível pode ser mudada.

[edit] Captura de tela

Stacked1.jpg

Stacked2.jpg

This page was last modified on 11 October 2012, at 04:13.
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