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subsurface/desktop-widgets/printdialog.cpp
Berthold Stoeger b82fdd1d20 general: remove (void) function parameter declarations 
To my understanding, declaring empty parameter lists using "(void)"
is an artifact from the bad old K&R times, when functions were
declared without(!) parameters. Which in hindsight was an absolute
recipe for disaster. So for backwards compatibility, functions
without parameters had to be declared using "(void)" as "()"
could also mean "any function".

That was 40 years ago. Meanwhile, C++ introduced references,
which made it a necessity to declare the function parameters.
So "(void)" is redundant and inconsistent in C++ code and
just makes no sense.

Remove it.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2024-08-13 19:28:30 +02:00

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// SPDX-License-Identifier: GPL-2.0
#include "printdialog.h"
#include "printer.h"
#include "core/pref.h"
#include "core/dive.h" // for existing_filename
#ifndef NO_PRINTING
#include <QProgressBar>
#include <QPrinter>
#include <QPrintPreviewDialog>
#include <QPrintDialog>
#include <QFileDialog>
#include <QShortcut>
#include <QSettings>
#include <QMessageBox>
#include <QDialogButtonBox>
#define SETTINGS_GROUP "PrintDialog"
template_options::color_palette_struct ssrf_colors, almond_colors, blueshades_colors, custom_colors;
PrintDialog::PrintDialog(dive *singleDive, const QString &filename, QWidget *parent) :
QDialog(parent, QFlag(0)),
singleDive(singleDive),
filename(filename),
printer(NULL),
qprinter(NULL)
{
// initialize const colors
ssrf_colors.color1 = QColor::fromRgb(0xff, 0xff, 0xff);
ssrf_colors.color2 = QColor::fromRgb(0xa6, 0xbc, 0xd7);
ssrf_colors.color3 = QColor::fromRgb(0xef, 0xf7, 0xff);
ssrf_colors.color4 = QColor::fromRgb(0x34, 0x65, 0xa4);
ssrf_colors.color5 = QColor::fromRgb(0x20, 0x4a, 0x87);
ssrf_colors.color6 = QColor::fromRgb(0x17, 0x37, 0x64);
almond_colors.color1 = QColor::fromRgb(255, 255, 255);
almond_colors.color2 = QColor::fromRgb(253, 204, 156);
almond_colors.color3 = QColor::fromRgb(243, 234, 207);
almond_colors.color4 = QColor::fromRgb(136, 160, 150);
almond_colors.color5 = QColor::fromRgb(187, 171, 139);
almond_colors.color6 = QColor::fromRgb(0, 0, 0);
blueshades_colors.color1 = QColor::fromRgb(255, 255, 255);
blueshades_colors.color2 = QColor::fromRgb(142, 152, 166);
blueshades_colors.color3 = QColor::fromRgb(182, 192, 206);
blueshades_colors.color4 = QColor::fromRgb(31, 49, 75);
blueshades_colors.color5 = QColor::fromRgb(21, 45, 84);
blueshades_colors.color6 = QColor::fromRgb(0, 0, 0);
// check if the options were previously stored in the settings; if not use some defaults.
QSettings s;
s.beginGroup(SETTINGS_GROUP);
printOptions.type = (print_options::print_type)s.value("type", print_options::DIVELIST).toInt();
printOptions.print_selected = s.value("print_selected", true).toBool();
printOptions.color_selected = s.value("color_selected", true).toBool();
printOptions.landscape = s.value("landscape", false).toBool();
printOptions.p_template = s.value("template_selected", "one_dive.html").toString();
printOptions.resolution = s.value("resolution", 600).toInt();
templateOptions.font_index = s.value("font", 0).toInt();
templateOptions.font_size = s.value("font_size", 9).toDouble();
templateOptions.color_palette_index = s.value("color_palette", SSRF_COLORS).toInt();
templateOptions.line_spacing = s.value("line_spacing", 1).toDouble();
templateOptions.border_width = s.value("border_width", 1).toInt();
custom_colors.color1 = QColor(s.value("custom_color_1", ssrf_colors.color1).toString());
custom_colors.color2 = QColor(s.value("custom_color_2", ssrf_colors.color2).toString());
custom_colors.color3 = QColor(s.value("custom_color_3", ssrf_colors.color3).toString());
custom_colors.color4 = QColor(s.value("custom_color_4", ssrf_colors.color4).toString());
custom_colors.color5 = QColor(s.value("custom_color_5", ssrf_colors.color5).toString());
s.endGroup();
// handle cases from old QSettings group
if (templateOptions.font_size < 9) {
templateOptions.font_size = 9;
}
if (templateOptions.line_spacing < 1) {
templateOptions.line_spacing = 1;
}
switch (templateOptions.color_palette_index) {
case SSRF_COLORS: // default Subsurface derived colors
templateOptions.color_palette = ssrf_colors;
break;
case ALMOND: // almond
templateOptions.color_palette = almond_colors;
break;
case BLUESHADES: // blueshades
templateOptions.color_palette = blueshades_colors;
break;
case CUSTOM: // custom
templateOptions.color_palette = custom_colors;
break;
}
// create a print options object and pass our options struct
optionsWidget = new PrintOptions(this, printOptions, templateOptions);
QVBoxLayout *layout = new QVBoxLayout(this);
setLayout(layout);
layout->addWidget(optionsWidget);
progressBar = new QProgressBar();
progressBar->setMinimum(0);
progressBar->setMaximum(100);
progressBar->setValue(0);
progressBar->setTextVisible(false);
layout->addWidget(progressBar);
QHBoxLayout *hLayout = new QHBoxLayout();
layout->addLayout(hLayout);
QPushButton *printButton = new QPushButton(tr("P&rint"));
connect(printButton, SIGNAL(clicked(bool)), this, SLOT(printClicked()));
QPushButton *previewButton = new QPushButton(tr("&Preview"));
connect(previewButton, SIGNAL(clicked(bool)), this, SLOT(previewClicked()));
QPushButton *exportHtmlButton = new QPushButton(tr("Export Html"));
connect(exportHtmlButton, SIGNAL(clicked(bool)), this, SLOT(exportHtmlClicked()));
QDialogButtonBox *buttonBox = new QDialogButtonBox;
buttonBox->addButton(QDialogButtonBox::Cancel);
buttonBox->addButton(printButton, QDialogButtonBox::AcceptRole);
buttonBox->addButton(previewButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(exportHtmlButton, QDialogButtonBox::AcceptRole);
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
hLayout->addWidget(buttonBox);
setWindowTitle(tr("Print"));
setWindowIcon(QIcon(":subsurface-icon"));
QShortcut *close = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this);
connect(close, SIGNAL(activated()), this, SLOT(close()));
QShortcut *quit = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this);
connect(quit, SIGNAL(activated()), parent, SLOT(close()));
// seems to be the most reliable way to track for all sorts of dialog disposal.
connect(this, SIGNAL(finished(int)), this, SLOT(onFinished()));
}
PrintDialog::~PrintDialog()
{
delete qprinter;
delete printer;
}
void PrintDialog::onFinished()
{
QSettings s;
s.beginGroup(SETTINGS_GROUP);
// save print paper settings
s.setValue("type", printOptions.type);
s.setValue("print_selected", printOptions.print_selected);
s.setValue("color_selected", printOptions.color_selected);
s.setValue("template_selected", printOptions.p_template);
s.setValue("resolution", printOptions.resolution);
s.setValue("landscape", printOptions.landscape);
// save template settings
s.setValue("font", templateOptions.font_index);
s.setValue("font_size", templateOptions.font_size);
s.setValue("color_palette", templateOptions.color_palette_index);
s.setValue("line_spacing", templateOptions.line_spacing);
s.setValue("border_width", templateOptions.border_width);
// save custom colors
s.setValue("custom_color_1", custom_colors.color1.name());
s.setValue("custom_color_2", custom_colors.color2.name());
s.setValue("custom_color_3", custom_colors.color3.name());
s.setValue("custom_color_4", custom_colors.color4.name());
s.setValue("custom_color_5", custom_colors.color5.name());
}
void PrintDialog::createPrinterObj()
{
// create a new printer object
if (!printer) {
qprinter = new QPrinter;
qprinter->setResolution(printOptions.resolution);
qprinter->setOrientation((QPrinter::Orientation)printOptions.landscape);
printer = new Printer(qprinter, printOptions, templateOptions, Printer::PRINT, singleDive);
}
}
void PrintDialog::previewClicked()
{
createPrinterObj();
QPrintPreviewDialog previewDialog(qprinter, this, Qt::Window
| Qt::CustomizeWindowHint | Qt::WindowCloseButtonHint
| Qt::WindowTitleHint);
connect(&previewDialog, SIGNAL(paintRequested(QPrinter *)), this, SLOT(onPaintRequested(QPrinter *)));
previewDialog.exec();
}
void PrintDialog::exportHtmlClicked()
{
createPrinterObj();
QString saveFileName = printOptions.p_template;
QFileInfo fi(filename);
QString printfilename = fi.absolutePath().append(QDir::separator()).append(saveFileName);
QString htmlExportFilename = QFileDialog::getSaveFileName(this, tr("Filename to export html to"),
printfilename, tr("Html file") + " (*.html)");
if (!htmlExportFilename.isEmpty()) {
QFile file(htmlExportFilename);
file.open(QIODevice::WriteOnly);
connect(printer, SIGNAL(progessUpdated(int)), progressBar, SLOT(setValue(int)));
file.write(printer->exportHtml().toUtf8());
file.close();
close();
}
}
void PrintDialog::printClicked()
{
createPrinterObj();
QPrintDialog printDialog(qprinter, this);
if (printDialog.exec() == QDialog::Accepted) {
connect(printer, SIGNAL(progessUpdated(int)), progressBar, SLOT(setValue(int)));
printer->print();
close();
}
}
void PrintDialog::onPaintRequested(QPrinter*)
{
createPrinterObj();
connect(printer, SIGNAL(progessUpdated(int)), progressBar, SLOT(setValue(int)));
printer->print();
progressBar->setValue(0);
disconnect(printer, SIGNAL(progessUpdated(int)), progressBar, SLOT(setValue(int)));
}
#endif
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