Printing: Remove more obsolete code from printlayout

This code can be removed as we don't need QT printing code anymore.

Signed-off-by: Gehad elrobey <gehadelrobey@gmail.com>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

4 files changed, 1 insertions, 518 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1901ac599..3ada22a35 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -324,7 +324,6 @@ set(SUBSURFACE_INTERFACE
 	qt-ui/notificationwidget.cpp
 	qt-ui/preferences.cpp
 	qt-ui/printdialog.cpp
-	qt-ui/printlayout.cpp
 	qt-ui/printoptions.cpp
 	qt-ui/simplewidgets.cpp
 	qt-ui/starwidget.cpp
diff --git a/display.h b/display.h
index 72b5c99fc..53131e043 100644
--- a/display.h
+++ b/display.h
@@ -37,18 +37,13 @@ extern struct divecomputer *select_dc(struct dive *);
 
 struct print_options {
 	enum print_type {
-		PRETTY,
-		TABLE,
-		TWOPERPAGE,
-		ONEPERPAGE,
 		DIVELIST,
+		TABLE,
 		STATISTICS
 	} type;
 	bool print_selected;
 	bool color_selected;
-	bool notes_up;
 	bool landscape;
-	int margins[4]; // left, top, right, bottom
 };
 
 extern unsigned int dc_number;
diff --git a/qt-ui/printlayout.cpp b/qt-ui/printlayout.cpp
deleted file mode 100644
index 87f5f7c30..000000000
--- a/qt-ui/printlayout.cpp
+++ /dev/null
@@ -1,462 +0,0 @@
-#include <QtCore/qmath.h>
-#include <QDesktopWidget>
-#include <QPicture>
-#include <QMessageBox>
-#include <QPointer>
-#include <QTableView>
-
-#include "mainwindow.h"
-#include "printdialog.h"
-#include "printlayout.h"
-#include "modeldelegates.h"
-#include "models.h"
-#include "profile/profilewidget2.h"
-#include "divetripmodel.h"
-#include "tableprintmodel.h"
-#include "profileprintmodel.h"
-
-PrintLayout::PrintLayout(PrintDialog *dialogPtr, QPrinter *printerPtr, struct print_options *optionsPtr)
-{
-	dialog = dialogPtr;
-	printer = printerPtr;
-	printOptions = optionsPtr;
-
-	// table print settings
-	tablePrintHeadingBackground = 0xffeeeeee;
-	tablePrintColumnNames.append(tr("Dive#"));
-	tablePrintColumnNames.append(tr("Date"));
-	tablePrintColumnNames.append(tr("Depth"));
-	tablePrintColumnNames.append(tr("Duration"));
-	tablePrintColumnNames.append(tr("Master"));
-	tablePrintColumnNames.append(tr("Buddy"));
-	tablePrintColumnNames.append(tr("Location"));
-	tablePrintColumnWidths.append(7);
-	tablePrintColumnWidths.append(14);
-	tablePrintColumnWidths.append(8);
-	tablePrintColumnWidths.append(8);
-	tablePrintColumnWidths.append(15);
-	tablePrintColumnWidths.append(15);
-	tablePrintColumnWidths.append(33);
-	// profile print settings
-	const int dw = 20; // base percentage
-	profilePrintColumnWidths.append(dw);
-	profilePrintColumnWidths.append(dw);
-	profilePrintColumnWidths.append(dw + 8);
-	profilePrintColumnWidths.append(dw - 4);
-	profilePrintColumnWidths.append(dw - 4); // fit to 100%
-	const int sr = 12; // smallest row height in pixels
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr + 4);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-	profilePrintRowHeights.append(sr);
-}
-
-void PrintLayout::print()
-{
-	// we call setup each time to check if the printer properties have changed
-	setup();
-	if (pageW == 0 || pageH == 0) {
-		QMessageBox msgBox;
-		msgBox.setIcon(QMessageBox::Critical);
-		msgBox.setText(tr("Subsurface cannot find a usable printer on this system!"));
-		msgBox.setWindowIcon(QIcon(":subsurface-icon"));
-		msgBox.exec();
-		return;
-	}
-	switch (printOptions->type) {
-	case print_options::PRETTY:
-		printProfileDives(3, 2);
-		break;
-	case print_options::ONEPERPAGE:
-		printProfileDives(1, 1);
-		break;
-	case print_options::TWOPERPAGE:
-		printProfileDives(2, 1);
-		break;
-	case print_options::TABLE:
-		printTable();
-		break;
-	}
-}
-
-void PrintLayout::setup()
-{
-	QDesktopWidget *desktop = QApplication::desktop();
-	screenDpiX = desktop->physicalDpiX();
-	screenDpiY = desktop->physicalDpiY();
-
-	printerDpi = printer->resolution();
-	pageRect = printer->pageRect();
-
-	// a printer page in pixels
-	pageW = pageRect.width();
-	pageH = pageRect.height();
-}
-
-// go trought the dive table and find how many dives we are a going to print
-// TODO: C function: 'count_selected_dives' or something
-int PrintLayout::estimateTotalDives() const
-{
-	int total = 0, i = 0;
-	struct dive *dive;
-	for_each_dive (i, dive) {
-		if (!dive->selected && printOptions->print_selected)
-			continue;
-		total++;
-	}
-	return total;
-}
-
-/* the used formula here is:
- * s = (S - (n - 1) * p) / n
- * where:
- * s is the length of a single element (unknown)
- * S is the total available length
- * n is the number of elements to fit
- * p is the padding between elements
- */
-#define ESTIMATE_DIVE_DIM(S, n, p) \
-	((S) - ((n) - 1) * (p)) / (n);
-
-void PrintLayout::printProfileDives(int divesPerRow, int divesPerColumn)
-{
-	int i, row = 0, col = 0, printed = 0, total = estimateTotalDives();
-	int animationOriginal = prefs.animation_speed;
-
-	struct dive *dive;
-	if (!total)
-		return;
-
-	// disable animations on the profile:
-	prefs.animation_speed = 0;
-
-	// setup a painter
-	QPainter painter;
-	painter.begin(printer);
-	painter.setRenderHint(QPainter::Antialiasing);
-	painter.setRenderHint(QPainter::SmoothPixmapTransform);
-
-	// setup the profile widget
-	QPointer<ProfileWidget2> profile = MainWindow::instance()->graphics();
-	const int profileFrameStyle = profile->frameStyle();
-	profile->setFrameStyle(QFrame::NoFrame);
-	profile->setPrintMode(true, !printOptions->color_selected);
-	profile->setFontPrintScale(divesPerRow * divesPerColumn > 3 ? 0.6 : 1.0);
-	QSize originalSize = profile->size();
-	// swap rows/col for landscape
-	if (printer->orientation() == QPrinter::Landscape) {
-		int swap = divesPerColumn;
-		divesPerColumn = divesPerRow;
-		divesPerRow = swap;
-	}
-
-	// padding in pixels between two dives. no padding if only one dive per page.
-	const int padDef = 20;
-	const int padW = (divesPerColumn < 2) ? 0 : padDef;
-	const int padH = (divesPerRow < 2) ? 0 : padDef;
-	// estimate dimensions for a single dive
-	const int scaledW = ESTIMATE_DIVE_DIM(pageW, divesPerColumn, padW);
-	const int scaledH = ESTIMATE_DIVE_DIM(pageH, divesPerRow, padH);
-	// padding in pixels between profile and table
-	const int padPT = 5;
-	// create a model and table
-	ProfilePrintModel model;
-	model.setFontsize(7); // if this is changed we also need to change 'const int sr' in the constructor
-	// if there is only one dive per page row we pass fitNotesToHeight to be almost half the page height
-	QPointer<QTableView> table(createProfileTable(&model, scaledW, (divesPerRow == 1) ? scaledH * 0.45 : 0.0));
-	// profilePrintTableMaxH updates after the table is created
-	const int tableH = profilePrintTableMaxH;
-	// resize the profile widget
-	profile->resize(scaledW, scaledH - tableH - padPT);
-	// offset table or profile on top
-	int yOffsetProfile = 0, yOffsetTable = 0;
-	if (printOptions->notes_up)
-		yOffsetProfile = tableH + padPT;
-	else
-		yOffsetTable = scaledH - tableH;
-
-	// plot the dives at specific rows and columns on the page
-	for_each_dive (i, dive) {
-		if (!dive->selected && printOptions->print_selected)
-			continue;
-		if (col == divesPerColumn) {
-			col = 0;
-			row++;
-			if (row == divesPerRow) {
-				row = 0;
-				printer->newPage();
-			}
-		}
-		// draw a profile
-		QTransform origTransform = painter.transform();
-		painter.translate((scaledW + padW) * col, (scaledH + padH) * row + yOffsetProfile);
-		profile->plotDive(dive, true); // make sure the profile is actually redrawn
-#ifdef Q_OS_LINUX // on Linux there is a vector line bug (big lines in PDF), which forces us to render to QImage
-		QImage image(scaledW, scaledH - tableH - padPT, QImage::Format_ARGB32);
-		QPainter imgPainter(&image);
-		imgPainter.setRenderHint(QPainter::Antialiasing);
-		imgPainter.setRenderHint(QPainter::SmoothPixmapTransform);
-		profile->render(&imgPainter, QRect(0, 0, scaledW, scaledH - tableH - padPT));
-		imgPainter.end();
-		painter.drawImage(image.rect(),image);
-#else // for other OS we can try rendering the profile as vector
-		profile->render(&painter, QRect(0, 0, scaledW, scaledH - tableH - padPT));
-#endif
-		painter.setTransform(origTransform);
-
-		// draw a table
-		QPicture pic;
-		QPainter picPainter;
-		painter.translate((scaledW + padW) * col, (scaledH + padH) * row + yOffsetTable);
-		model.setDive(dive);
-		picPainter.begin(&pic);
-		table->render(&picPainter);
-		picPainter.end();
-		painter.drawPicture(QPoint(0,0), pic);
-		painter.setTransform(origTransform);
-		col++;
-		printed++;
-		emit signalProgress((printed * 100) / total);
-	}
-	// cleanup
-	painter.end();
-	profile->setFrameStyle(profileFrameStyle);
-	profile->setPrintMode(false);
-	profile->resize(originalSize);
-	// we need to force a redraw of the profile so it switches back from print mode
-	profile->plotDive(0, true);
-	// re-enable animations
-	prefs.animation_speed = animationOriginal;
-}
-
-/* we create a table that has a fixed height, but can stretch to fit certain width */
-QTableView *PrintLayout::createProfileTable(ProfilePrintModel *model, const int tableW, const qreal fitNotesToHeight)
-{
-	// setup a new table
-	QTableView *table = new QTableView();
-	QHeaderView *vHeader = table->verticalHeader();
-	QHeaderView *hHeader = table->horizontalHeader();
-	table->setAttribute(Qt::WA_DontShowOnScreen);
-	table->setSelectionMode(QAbstractItemView::NoSelection);
-	table->setFocusPolicy(Qt::NoFocus);
-	table->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	table->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	hHeader->setVisible(false);
-	vHeader->setVisible(false);
-	hHeader->setSectionResizeMode(QHeaderView::Fixed);
-	vHeader->setSectionResizeMode(QHeaderView::Fixed);
-	// set the model
-	table->setModel(model);
-
-	/* setup cell span for the table using QTableView::setSpan().
-	 * changes made here reflect on ProfilePrintModel::data(). */
-	const int cols = model->columnCount();
-	const int rows = model->rowCount();
-	// info on top
-	table->setSpan(0, 0, 1, 3);
-	table->setSpan(1, 0, 1, 3);
-	table->setSpan(0, 3, 1, 2);
-	table->setSpan(1, 3, 1, 2);
-	// gas used
-	table->setSpan(2, 0, 1, 2);
-	table->setSpan(3, 0, 1, 2);
-	// notes
-	table->setSpan(6, 0, 1, 5);
-	table->setSpan(7, 0, 5, 5);
-	/* resize row heights to the 'profilePrintRowHeights' indexes.
-	 * profilePrintTableMaxH will then hold the table height.
-	 * what fitNotesToHeight does it to expand the notes section to fit a special height */
-	int i;
-	profilePrintTableMaxH = 0;
-	for (i = 0; i < rows; i++) {
-		int h = (i == rows - 1 && fitNotesToHeight != 0.0) ? fitNotesToHeight : profilePrintRowHeights.at(i);
-		profilePrintTableMaxH += h;
-		vHeader->resizeSection(i, h);
-	}
-
-	// resize columns. columns widths are percentages from the table width.
-	int accW = 0;
-	for (i = 0; i < cols; i++) {
-		int pw = qCeil((qreal)(profilePrintColumnWidths.at(i) * tableW) / 100.0);
-		accW += pw;
-		if (i == cols - 1 && accW > tableW) /* adjust last column */
-			pw -= accW - tableW;
-		hHeader->resizeSection(i, pw);
-	}
-	// resize
-	table->resize(tableW, profilePrintTableMaxH);
-	// hide the grid and set a stylesheet
-	table->setItemDelegate(new ProfilePrintDelegate(table));
-	table->setItemDelegateForRow(7, new HTMLDelegate(table));
-
-	table->setShowGrid(false);
-	table->setStyleSheet(
-		"QTableView { border: none }"
-		"QTableView::item { border: 0px; padding-left: 2px; padding-right: 2px; }");
-	// return
-	return table;
-}
-
-void PrintLayout::printTable()
-{
-	struct dive *dive;
-	int done = 0; // percents done
-	int i, row = 0, progress, total = estimateTotalDives();
-	if (!total)
-		return;
-
-	// create and setup a table
-	QTableView table;
-	table.setAttribute(Qt::WA_DontShowOnScreen);
-	table.setSelectionMode(QAbstractItemView::NoSelection);
-	table.setFocusPolicy(Qt::NoFocus);
-	table.horizontalHeader()->setVisible(false);
-	table.verticalHeader()->setVisible(false);
-	table.horizontalHeader()->setSectionResizeMode(QHeaderView::Fixed);
-	table.verticalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
-	table.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	table.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	// fit table to one page initially
-	table.resize(pageW, pageH);
-
-	// don't show border
-	table.setStyleSheet(
-		"QTableView { border: none }");
-
-	// create and fill a table model
-	TablePrintModel model;
-	addTablePrintHeadingRow(&model, row); // add one heading row
-	row++;
-	progress = 0;
-	for_each_dive (i, dive) {
-		if (!dive->selected && printOptions->print_selected)
-			continue;
-		addTablePrintDataRow(&model, row, dive);
-		row++;
-		progress++;
-		emit signalProgress((progress * 10) / total);
-	}
-	done = 10;
-	table.setModel(&model); // set model to table
-	// resize columns to percentages from page width
-	int accW = 0;
-	int cols = model.columns;
-	int tableW = table.width();
-	for (i = 0; i < model.columns; i++) {
-		int pw = qCeil((qreal)(tablePrintColumnWidths.at(i) * table.width()) / 100.0);
-		accW += pw;
-		if (i == cols - 1 && accW > tableW) /* adjust last column */
-			pw -= accW - tableW;
-		table.horizontalHeader()->resizeSection(i, pw);
-	}
-	// reset the model at this point
-	model.callReset();
-
-	// a list of vertical offsets where pages begin and some helpers
-	QList<unsigned int> pageIndexes;
-	pageIndexes.append(0);
-
-	/* the algorithm bellow processes the table rows in multiple passes,
-	 * compensating for loss of space due to moving rows on a new page instead
-	 * of truncating them.
-	 * there is a 'passes' array defining how much percents of the total
-	 * progress each will take. given, the first and last stage of this function
-	 * use 10% each, then the sum of passes[] here should be 80%.
-	 * two should be enough! */
-	const int passes[] = { 70, 10 };
-	int tableHeight = 0, lastAccIndex = 0, rowH, accH, headings, headingRowHeightD2, headingRowHeight;
-	bool newHeading = false;
-
-	for (unsigned int pass = 0; pass < sizeof(passes) / sizeof(passes[0]); pass++) {
-		progress = headings = accH = 0;
-		total = model.rows - lastAccIndex;
-		for (i = lastAccIndex; i < model.rows; i++) {
-			rowH = table.rowHeight(i);
-			if (i == 0) { // first row is always a heading. it's height is constant.
-				headingRowHeight = rowH;
-				headingRowHeightD2 = rowH / 2;
-			}
-			if (rowH > pageH - headingRowHeight) // skip huge rows. we don't support row spanning on multiple pages.
-				continue;
-			accH += rowH;
-			if (newHeading) {
-				headings += rowH;
-				newHeading = false;
-			}
-			if (accH > pageH) {
-				lastAccIndex = i;
-				pageIndexes.append(pageIndexes.last() + (accH - rowH));
-				addTablePrintHeadingRow(&model, i);
-				newHeading = true;
-				accH = 0;
-				i--;
-			}
-			tableHeight += table.rowHeight(i);
-			progress++;
-			emit signalProgress(done + (progress * passes[pass]) / total);
-		}
-		done += passes[pass];
-	}
-	done = 90;
-	pageIndexes.append(pageIndexes.last() + accH + headings);
-	table.resize(pageW, tableHeight);
-
-	/* attach a painter and render pages by using pageIndexes
-	 * there is a weird QPicture dependency here; we need to offset a page
-	 * by headingRowHeightD2, which is half the heading height. the same doesn't
-	 * make sense if we are rendering the table widget directly to the printer-painter. */
-	QPainter painter(printer);
-	painter.setRenderHint(QPainter::Antialiasing);
-	painter.setRenderHint(QPainter::SmoothPixmapTransform);
-	total = pageIndexes.size() - 1;
-	progress = 0;
-	for (i = 0; i < total; i++) {
-		if (i > 0)
-			printer->newPage();
-
-		QRegion region(0, pageIndexes.at(i) + headingRowHeightD2 - 1,
-			       table.width(),
-			       pageIndexes.at(i + 1) - (pageIndexes.at(i) + headingRowHeightD2) + 1);
-		// vectorize the table first by using QPicture
-		QPicture pic;
-		QPainter picPainter;
-		picPainter.begin(&pic);
-		table.render(&picPainter, QPoint(0, 0), region);
-		picPainter.end();
-		painter.drawPicture(QPoint(0, headingRowHeightD2), pic);
-
-		progress++;
-		emit signalProgress(done + (progress * 10) / total);
-	}
-}
-
-void PrintLayout::addTablePrintDataRow(TablePrintModel *model, int row, struct dive *dive) const
-{
-	struct DiveItem di;
-	di.diveId = dive->id;
-	model->insertRow();
-	model->setData(model->index(row, 0), QString::number(dive->number), Qt::DisplayRole);
-	model->setData(model->index(row, 1), di.displayDate(), Qt::DisplayRole);
-	model->setData(model->index(row, 2), di.displayDepthWithUnit(), Qt::DisplayRole);
-	model->setData(model->index(row, 3), di.displayDuration(), Qt::DisplayRole);
-	model->setData(model->index(row, 4), dive->divemaster, Qt::DisplayRole);
-	model->setData(model->index(row, 5), dive->buddy, Qt::DisplayRole);
-	model->setData(model->index(row, 6), get_dive_location(dive), Qt::DisplayRole);
-}
-
-void PrintLayout::addTablePrintHeadingRow(TablePrintModel *model, int row) const
-{
-	model->insertRow(row);
-	for (int i = 0; i < model->columns; i++) {
-		model->setData(model->index(row, i), tablePrintColumnNames.at(i), Qt::DisplayRole);
-		model->setData(model->index(row, i), tablePrintHeadingBackground, Qt::BackgroundRole);
-	}
-}
diff --git a/qt-ui/printlayout.h b/qt-ui/printlayout.h
deleted file mode 100644
index d8c730a50..000000000
--- a/qt-ui/printlayout.h
+++ /dev/null
@@ -1,49 +0,0 @@
-#ifndef PRINTLAYOUT_H
-#define PRINTLAYOUT_H
-
-#include <QObject>
-#include <QList>
-#include <QVector>
-#include <QRect>
-
-class QPrinter;
-class QTableView;
-class PrintDialog;
-class TablePrintModel;
-class ProfilePrintModel;
-struct dive;
-
-class PrintLayout : public QObject {
-	Q_OBJECT
-
-public:
-	PrintLayout(PrintDialog *, QPrinter *, struct print_options *);
-	void print();
-
-private:
-	PrintDialog *dialog;
-	QPrinter *printer;
-	struct print_options *printOptions;
-
-	int screenDpiX, screenDpiY, printerDpi, pageW, pageH;
-	QRect pageRect;
-
-	QVector<QString> tablePrintColumnNames;
-	unsigned int tablePrintHeadingBackground;
-	QList<unsigned int> tablePrintColumnWidths;
-	unsigned int profilePrintTableMaxH;
-	QList<unsigned int> profilePrintColumnWidths, profilePrintRowHeights;
-
-	void setup();
-	int estimateTotalDives() const;
-	void printProfileDives(int divesPerRow, int divesPerColumn);
-	QTableView *createProfileTable(ProfilePrintModel *model, const int tableW, const qreal fitNotesToHeight = 0.0);
-	void printTable();
-	void addTablePrintDataRow(TablePrintModel *model, int row, struct dive *dive) const;
-	void addTablePrintHeadingRow(TablePrintModel *model, int row) const;
-
-signals:
-	void signalProgress(int);
-};
-
-#endif // PRINTLAYOUT_H