1 /***************************************************************************
2 qgsstatusbar.cpp
3 ----------------
4 begin : May 2017
5 copyright : (C) 2017 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************/
8
9 /***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18 #include "qgsstatusbar.h"
19 #include <QLayout>
20 #include <QLineEdit>
21 #include <QPalette>
22 #include <QTimer>
23 #include <QEvent>
24 #include <QStatusBar>
25
QgsStatusBar(QWidget * parent)26 QgsStatusBar::QgsStatusBar( QWidget *parent )
27 : QWidget( parent )
28 {
29 mLayout = new QHBoxLayout();
30 mLayout->setContentsMargins( 2, 0, 2, 0 );
31 mLayout->setSpacing( 6 );
32
33 mLineEdit = new QLineEdit( QString() );
34 mLineEdit->setDisabled( true );
35 mLineEdit->setFrame( false );
36 mLineEdit->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
37 QPalette palette = mLineEdit->palette();
38 palette.setColor( QPalette::Disabled, QPalette::Text, QPalette::WindowText );
39 mLineEdit->setPalette( palette );
40 mLineEdit->setStyleSheet( QStringLiteral( "* { border: 0; background-color: rgba(0, 0, 0, 0); }" ) );
41 mLayout->addWidget( mLineEdit, 10 );
42 setLayout( mLayout );
43 }
44
addPermanentWidget(QWidget * widget,int stretch,Anchor anchor)45 void QgsStatusBar::addPermanentWidget( QWidget *widget, int stretch, Anchor anchor )
46 {
47 switch ( anchor )
48 {
49 case AnchorLeft:
50 mLayout->insertWidget( 0, widget, stretch, Qt::AlignLeft );
51 break;
52
53 case AnchorRight:
54 mLayout->addWidget( widget, stretch, Qt::AlignLeft );
55 break;
56 }
57 }
58
removeWidget(QWidget * widget)59 void QgsStatusBar::removeWidget( QWidget *widget )
60 {
61 mLayout->removeWidget( widget );
62 }
63
currentMessage() const64 QString QgsStatusBar::currentMessage() const
65 {
66 return mLineEdit->text();
67 }
68
showMessage(const QString & text,int timeout)69 void QgsStatusBar::showMessage( const QString &text, int timeout )
70 {
71 mLineEdit->setText( text );
72 mLineEdit->setCursorPosition( 0 );
73 if ( timeout > 0 )
74 {
75 if ( !mTempMessageTimer )
76 {
77 mTempMessageTimer = new QTimer( this );
78 connect( mTempMessageTimer, &QTimer::timeout, this, &QgsStatusBar::clearMessage );
79 mTempMessageTimer->setSingleShot( true );
80 }
81 mTempMessageTimer->start( timeout );
82 }
83 else if ( mTempMessageTimer )
84 {
85 delete mTempMessageTimer;
86 mTempMessageTimer = nullptr;
87 }
88 }
89
clearMessage()90 void QgsStatusBar::clearMessage()
91 {
92 mLineEdit->setText( QString() );
93 }
94
setParentStatusBar(QStatusBar * statusBar)95 void QgsStatusBar::setParentStatusBar( QStatusBar *statusBar )
96 {
97 if ( mParentStatusBar )
98 mParentStatusBar->disconnect( mShowMessageConnection );
99
100 mParentStatusBar = statusBar;
101
102 if ( mParentStatusBar )
103 mShowMessageConnection = connect( mParentStatusBar, &QStatusBar::messageChanged, this, [this]( const QString & message ) { showMessage( message ); } );
104 }
105
changeEvent(QEvent * event)106 void QgsStatusBar::changeEvent( QEvent *event )
107 {
108 QWidget::changeEvent( event );
109
110 if ( event->type() == QEvent::FontChange )
111 {
112 mLineEdit->setFont( font() );
113 }
114 }
115