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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
commit | d796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch) | |
tree | 6e3dcca4f77e20ec8966c666aac7c35bd4704053 /examples/progressbar/progressbar.cpp | |
download | tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip |
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'examples/progressbar/progressbar.cpp')
-rw-r--r-- | examples/progressbar/progressbar.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/examples/progressbar/progressbar.cpp b/examples/progressbar/progressbar.cpp new file mode 100644 index 000000000..9befa6e80 --- /dev/null +++ b/examples/progressbar/progressbar.cpp @@ -0,0 +1,165 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for TQt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "progressbar.h" + +#include <qradiobutton.h> +#include <qpushbutton.h> +#include <qprogressbar.h> +#include <qlayout.h> + +#include <qmotifstyle.h> + +/* + * Constructor + * + * Creates child widgets of the ProgressBar widget + */ + +ProgressBar::ProgressBar( TQWidget *parent, const char *name ) + : TQButtonGroup( 0, Horizontal, "Progress Bar", parent, name ), timer() +{ + setMargin( 10 ); + + TQGridLayout* toplayout = new TQGridLayout( layout(), 2, 2, 5); + + setRadioButtonExclusive( TRUE ); + + // insert three radiobuttons which the user can use + // to set the speed of the progress and two pushbuttons + // to start/pause/continue and reset the progress + slow = new TQRadioButton( "S&low", this ); + normal = new TQRadioButton( "&Normal", this ); + fast = new TQRadioButton( "&Fast", this ); + TQVBoxLayout* vb1 = new TQVBoxLayout; + toplayout->addLayout( vb1, 0, 0 ); + vb1->addWidget( slow ); + vb1->addWidget( normal ); + vb1->addWidget( fast ); + + // two push buttons, one for start, for for reset. + start = new TQPushButton( "&Start", this ); + reset = new TQPushButton( "&Reset", this ); + TQVBoxLayout* vb2 = new TQVBoxLayout; + toplayout->addLayout( vb2, 0, 1 ); + vb2->addWidget( start ); + vb2->addWidget( reset ); + + // Create the progressbar + progress = new TQProgressBar( 100, this ); + // progress->setStyle( new TQMotifStyle() ); + toplayout->addMultiCellWidget( progress, 1, 1, 0, 1 ); + + // connect the clicked() SIGNALs of the pushbuttons to SLOTs + connect( start, SIGNAL( clicked() ), this, SLOT( slotStart() ) ); + connect( reset, SIGNAL( clicked() ), this, SLOT( slotReset() ) ); + + // connect the timeout() SIGNAL of the progress-timer to a SLOT + connect( &timer, SIGNAL( timeout() ), this, SLOT( slotTimeout() ) ); + + // Let's start with normal speed... + normal->setChecked( TRUE ); + + + // some contraints + start->setFixedWidth( 80 ); + setMinimumWidth( 300 ); +} + +/* + * SLOT slotStart + * + * This SLOT is called if the user clicks start/pause/continue + * button + */ + +void ProgressBar::slotStart() +{ + // If the progress bar is at the beginning... + if ( progress->progress() == -1 ) { + // ...set according to the checked speed-radiobutton + // the number of steps which are needed to complete the process + if ( slow->isChecked() ) + progress->setTotalSteps( 10000 ); + else if ( normal->isChecked() ) + progress->setTotalSteps( 1000 ); + else + progress->setTotalSteps( 50 ); + + // disable the speed-radiobuttons + slow->setEnabled( FALSE ); + normal->setEnabled( FALSE ); + fast->setEnabled( FALSE ); + } + + // If the progress is not running... + if ( !timer.isActive() ) { + // ...start the timer (and so the progress) with a interval of 1 ms... + timer.start( 1 ); + // ...and rename the start/pause/continue button to Pause + start->setText( "&Pause" ); + } else { // if the prgress is running... + // ...stop the timer (and so the prgress)... + timer.stop(); + // ...and rename the start/pause/continue button to Continue + start->setText( "&Continue" ); + } +} + +/* + * SLOT slotReset + * + * This SLOT is called when the user clicks the reset button + */ + +void ProgressBar::slotReset() +{ + // stop the timer and progress + timer.stop(); + + // rename the start/pause/continue button to Start... + start->setText( "&Start" ); + // ...and enable this button + start->setEnabled( TRUE ); + + // enable the speed-radiobuttons + slow->setEnabled( TRUE ); + normal->setEnabled( TRUE ); + fast->setEnabled( TRUE ); + + // reset the progressbar + progress->reset(); +} + +/* + * SLOT slotTimeout + * + * This SLOT is called each ms when the timer is + * active (== progress is running) + */ + +void ProgressBar::slotTimeout() +{ + int p = progress->progress(); + +#if 1 + // If the progress is complete... + if ( p == progress->totalSteps() ) { + // ...rename the start/pause/continue button to Start... + start->setText( "&Start" ); + // ...and disable it... + start->setEnabled( FALSE ); + // ...and return + return; + } +#endif + + // If the process is not complete increase it + progress->setProgress( ++p ); +} |