forked from osmocom/wireshark
311 lines
8.5 KiB
C++
311 lines
8.5 KiB
C++
/* progress_frame.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include "progress_frame.h"
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#include <ui_progress_frame.h>
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#include "ui/progress_dlg.h"
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#include <QDialogButtonBox>
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#include <QGraphicsOpacityEffect>
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#include <QBoxLayout>
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#include <QPropertyAnimation>
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#include <ui/qt/widgets/stock_icon_tool_button.h>
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#include "wireshark_application.h"
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// To do:
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// - Add an NSProgressIndicator to the dock icon on macOS.
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// - Start adding the progress bar to dialogs.
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// - Don't complain so loudly when the user stops a capture.
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progdlg_t *
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create_progress_dlg(gpointer top_level_window, const gchar *, const gchar *,
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gboolean terminate_is_stop, gboolean *stop_flag) {
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ProgressFrame *pf;
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QWidget *main_window;
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if (!top_level_window) {
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return NULL;
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}
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main_window = qobject_cast<QWidget *>((QObject *)top_level_window);
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if (!main_window) {
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return NULL;
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}
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pf = main_window->findChild<ProgressFrame *>();
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if (!pf) {
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return NULL;
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}
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return pf->showProgress(true, terminate_is_stop, stop_flag, 0);
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}
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progdlg_t *
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delayed_create_progress_dlg(gpointer top_level_window, const gchar *task_title, const gchar *item_title,
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gboolean terminate_is_stop, gboolean *stop_flag,
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gfloat progress)
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{
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progdlg_t *progress_dialog = create_progress_dlg(top_level_window, task_title, item_title, terminate_is_stop, stop_flag);
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update_progress_dlg(progress_dialog, progress, item_title);
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return progress_dialog;
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}
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/*
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* Update the progress information of the progress bar box.
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*/
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void
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update_progress_dlg(progdlg_t *dlg, gfloat percentage, const gchar *)
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{
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if (!dlg) return;
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dlg->progress_frame->setValue(percentage * 100);
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/*
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* Flush out the update and process any input events.
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*/
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WiresharkApplication::processEvents();
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}
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/*
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* Destroy the progress bar.
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*/
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void
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destroy_progress_dlg(progdlg_t *dlg)
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{
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dlg->progress_frame->hide();
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}
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ProgressFrame::ProgressFrame(QWidget *parent) :
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QFrame(parent),
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ui(new Ui::ProgressFrame)
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, terminate_is_stop_(false)
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, stop_flag_(NULL)
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, show_timer_(-1)
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, effect_(NULL)
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, animation_(NULL)
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#ifdef QWINTASKBARPROGRESS_H
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, update_taskbar_(false)
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, taskbar_progress_(NULL)
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#endif
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{
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ui->setupUi(this);
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progress_dialog_.progress_frame = this;
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progress_dialog_.top_level_window = window();
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ui->progressBar->setStyleSheet(QString(
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"QProgressBar {"
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" max-width: 20em;"
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" min-height: 0.5em;"
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" max-height: 1em;"
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" border-bottom: 0px;"
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" border-top: 0px;"
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" background: transparent;"
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"}"));
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ui->stopButton->setStockIcon("x-filter-clear");
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ui->stopButton->setIconSize(QSize(14, 14));
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ui->stopButton->setStyleSheet(
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"QToolButton {"
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" border: none;"
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" background: transparent;" // Disables platform style on Windows.
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" padding: 0px;"
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" margin: 0px;"
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" min-height: 0.8em;"
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" max-height: 1em;"
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" min-width: 0.8em;"
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" max-width: 1em;"
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"}"
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);
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effect_ = new QGraphicsOpacityEffect(this);
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animation_ = new QPropertyAnimation(effect_, "opacity", this);
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connect(this, SIGNAL(showRequested(bool,bool,gboolean*)),
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this, SLOT(show(bool,bool,gboolean*)));
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hide();
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}
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ProgressFrame::~ProgressFrame()
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{
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delete ui;
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}
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struct progdlg *ProgressFrame::showProgress(bool animate, bool terminate_is_stop, gboolean *stop_flag, int value)
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{
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setMaximumValue(100);
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ui->progressBar->setValue(value);
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emit showRequested(animate, terminate_is_stop, stop_flag);
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return &progress_dialog_;
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}
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progdlg *ProgressFrame::showBusy(bool animate, bool terminate_is_stop, gboolean *stop_flag)
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{
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setMaximumValue(0);
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emit showRequested(animate, terminate_is_stop, stop_flag);
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return &progress_dialog_;
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}
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void ProgressFrame::addToButtonBox(QDialogButtonBox *button_box, QObject *main_window)
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{
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// We have a ProgressFrame in the main status bar which is controlled
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// from the capture file and other parts of the application via
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// create_progress_dlg and delayed_create_progress_dlg.
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// Create a new ProgressFrame and pair it with the main instance.
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ProgressFrame *main_progress_frame = main_window->findChild<ProgressFrame *>();
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if (!button_box || !main_progress_frame) return;
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QBoxLayout *layout = qobject_cast<QBoxLayout *>(button_box->layout());
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if (!layout) return;
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ProgressFrame *progress_frame = new ProgressFrame(button_box);
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// Insert ourselves after the first spacer we find, otherwise the
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// far right of the button box.
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int idx = layout->count();
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for (int i = 0; i < layout->count(); i++) {
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if (layout->itemAt(i)->spacerItem()) {
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idx = i + 1;
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break;
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}
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}
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layout->insertWidget(idx, progress_frame);
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int one_em = progress_frame->fontMetrics().height();
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progress_frame->setMaximumWidth(one_em * 8);
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connect(main_progress_frame, SIGNAL(showRequested(bool,bool,gboolean*)),
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progress_frame, SLOT(show(bool,bool,gboolean*)));
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connect(main_progress_frame, SIGNAL(maximumValueChanged(int)),
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progress_frame, SLOT(setMaximumValue(int)));
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connect(main_progress_frame, SIGNAL(valueChanged(int)),
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progress_frame, SLOT(setValue(int)));
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connect(main_progress_frame, SIGNAL(setHidden()),
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progress_frame, SLOT(hide()));
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connect(progress_frame, SIGNAL(stopLoading()),
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main_progress_frame, SIGNAL(stopLoading()));
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}
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void ProgressFrame::captureFileClosing()
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{
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// Hide any paired ProgressFrames and disconnect from them.
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emit setHidden();
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disconnect(SIGNAL(showRequested(bool,bool,gboolean*)));
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disconnect(SIGNAL(maximumValueChanged(int)));
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disconnect(SIGNAL(valueChanged(int)));
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connect(this, SIGNAL(showRequested(bool,bool,gboolean*)),
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this, SLOT(show(bool,bool,gboolean*)));
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}
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void ProgressFrame::setValue(int value)
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{
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ui->progressBar->setValue(value);
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emit valueChanged(value);
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}
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void ProgressFrame::timerEvent(QTimerEvent *event)
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{
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if (event->timerId() == show_timer_) {
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killTimer(show_timer_);
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show_timer_ = -1;
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this->setGraphicsEffect(effect_);
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animation_->setDuration(750);
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animation_->setStartValue(0.1);
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animation_->setEndValue(1.0);
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animation_->setEasingCurve(QEasingCurve::InOutQuad);
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animation_->start();
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QFrame::show();
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} else {
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QFrame::timerEvent(event);
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}
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}
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void ProgressFrame::hide()
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{
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show_timer_ = -1;
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emit setHidden();
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QFrame::hide();
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#ifdef QWINTASKBARPROGRESS_H
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if (taskbar_progress_) {
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disconnect(this, SIGNAL(valueChanged(int)), taskbar_progress_, SLOT(setValue(int)));
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taskbar_progress_->reset();
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taskbar_progress_->hide();
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}
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#endif
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}
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void ProgressFrame::on_stopButton_clicked()
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{
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emit stopLoading();
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}
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const int show_delay_ = 500; // ms
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void ProgressFrame::show(bool animate, bool terminate_is_stop, gboolean *stop_flag)
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{
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terminate_is_stop_ = terminate_is_stop;
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stop_flag_ = stop_flag;
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if (stop_flag) {
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ui->stopButton->show();
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} else {
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ui->stopButton->hide();
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}
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if (animate) {
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show_timer_ = startTimer(show_delay_);
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} else {
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QFrame::show();
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}
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#ifdef QWINTASKBARPROGRESS_H
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// windowHandle() is picky about returning a non-NULL value so we check it
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// each time.
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if (update_taskbar_ && !taskbar_progress_ && window()->windowHandle()) {
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QWinTaskbarButton *taskbar_button = new QWinTaskbarButton(this);
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if (taskbar_button) {
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taskbar_button->setWindow(window()->windowHandle());
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taskbar_progress_ = taskbar_button->progress();
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}
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}
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if (taskbar_progress_) {
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taskbar_progress_->show();
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taskbar_progress_->reset();
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connect(this, SIGNAL(valueChanged(int)), taskbar_progress_, SLOT(setValue(int)));
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}
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#endif
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}
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void ProgressFrame::setMaximumValue(int value)
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{
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ui->progressBar->setMaximum(value);
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emit maximumValueChanged(value);
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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