historywindow.cpp
author insilmaril
Wed, 25 Apr 2007 16:02:54 +0000
changeset 475 0f8879937035
parent 442 dfbc371b7280
child 482 24c7902a3e14
permissions -rw-r--r--
started doxygen documentation
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#include "historywindow.h"
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#include "mainwindow.h"
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extern QString iconPath;
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extern Settings settings;
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extern Main *mainWindow;
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HistoryWindow::HistoryWindow (QWidget *parent):QDialog (parent)
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{
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	ui.setupUi (this);
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	ui.historyTable->setRowCount (20);
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	ui.historyTable->setColumnCount (3);
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	QTableWidgetItem *item;
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	item= new QTableWidgetItem(tr("Action","Table with actions"));
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	ui.historyTable->setHorizontalHeaderItem(0, item);
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	item= new QTableWidgetItem(tr("Comment","Table with actions"));
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	ui.historyTable->setHorizontalHeaderItem(1, item);
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	item= new QTableWidgetItem(tr("Undo action","Table with actions"));
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	ui.historyTable->setHorizontalHeaderItem(2, item);
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	ui.historyTable->setSelectionBehavior (QAbstractItemView::SelectRows);
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	ui.undoButton->setIcon (QIcon(iconPath+"/undo.png"));
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	ui.redoButton->setIcon (QIcon(iconPath+"/redo.png"));
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	connect ( ui.undoButton, SIGNAL (clicked()), this, SLOT (undo()));
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	connect ( ui.redoButton, SIGNAL (clicked()), this, SLOT (redo()));
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	connect ( ui.historyTable, SIGNAL (itemSelectionChanged()), this, SLOT (select()));
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	// Load Settings
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	resize (settings.value ( "/historywindow/geometry/size", QSize(450,600)).toSize());
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	move   (settings.value ( "/historywindow/geometry/pos", QPoint (250,50)).toPoint());
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	for (int i=0; i<3; ++i)
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		ui.historyTable->setColumnWidth (i,settings.value( QString("/historywindow/geometry/columnWidth/%1").arg(i),150).toInt());
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	if (settings.value ( "/historywindow/showWithMain",false).toBool())
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		setShowWithMain(true);
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	else	
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		setShowWithMain(false);
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}
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HistoryWindow::~HistoryWindow()
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{
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	settings.setValue( "/historywindow/geometry/size", size() );
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	settings.setValue( "/historywindow/geometry/pos", pos() );
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	settings.setValue( "/historywindow/showWithMain",showWithMain());
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	for (int i=0; i<3; ++i)
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		settings.setValue( QString("/historywindow/geometry/columnWidth/%1").arg(i), ui.historyTable->columnWidth (i) );
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}
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void HistoryWindow::clearRow(int row)
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{
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	QTableWidgetItem *it;
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	it=ui.historyTable->item (row,0);
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	if (it) it->setText ("");
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	it=ui.historyTable->item (row,1);
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	if (it) it->setText ("");
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	it=ui.historyTable->item (row,2);
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	if (it) it->setText ("");
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}
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void HistoryWindow::updateRow(int row, int step, SimpleSettings &set)
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{
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	QTableWidgetItem *item;
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	item= new QTableWidgetItem(set.readEntry(QString("/history/step-%1/redoCommand").arg(step)));
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	ui.historyTable->setItem(row, 0, item);
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	item= new QTableWidgetItem(set.readEntry(QString("/history/step-%1/comment").arg(step)));
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	ui.historyTable->setItem(row, 1, item);
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	item=new QTableWidgetItem(set.readEntry(QString("/history/step-%1/undoCommand").arg(step)));
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	ui.historyTable->setItem(row, 2, item);
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}
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void HistoryWindow::update(SimpleSettings &set)
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{
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	int undosAvail=set.readNumEntry("/history/undosAvail",0);
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	int redosAvail=set.readNumEntry("/history/redosAvail",0);
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	int stepsTotal=set.readNumEntry("/history/stepsTotal",0);
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	int curStep=set.readNumEntry ("/history/curStep");
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	int i;
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	int s=curStep;
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	int r=undosAvail-1;
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	QTableWidgetItem *item;
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	// Update buttons
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	if (undosAvail<1)
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		ui.undoButton->setEnabled (false);
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	else	
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		ui.undoButton->setEnabled (true);
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	if (redosAvail<1)
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		ui.redoButton->setEnabled (false);
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	else	
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		ui.redoButton->setEnabled (true);
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	// Update undos in table
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	for (i=undosAvail; i>0; i--)
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	{
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		updateRow (r,s,set);
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		r--;
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		s--;
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		if (s<1) s=stepsTotal;
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	}
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	// Generated the "now" row
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	QColor c(255,200,120);
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	for (i=0;i<=2;i++)
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	{
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		if (i!=1)
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		{
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			item=new QTableWidgetItem("");
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			item->setBackgroundColor (c);
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			ui.historyTable->setItem(undosAvail, i, item);
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		}
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	}
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	item=new QTableWidgetItem(" - " +tr("Current state","Current bar in history hwindow")+ " - ");
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	item->setBackgroundColor (c);
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	ui.historyTable->setItem(undosAvail, 1, item);
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	// Show "now" row
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	ui.historyTable->scrollToItem (item);
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	// Update Redos in table
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	s=curStep;
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	s++; if (s>stepsTotal) s=1;
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	for (i=1;i<= redosAvail; i++)
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	{
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		updateRow (undosAvail+i,s,set);
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		s++; if (s>stepsTotal) s=1;
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	}
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	// Delete the rest
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	for (i=undosAvail+redosAvail+1;i<= stepsTotal; i++)
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		clearRow (i);
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	ui.historyTable->resizeColumnsToContents();
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}
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void HistoryWindow::setStepsTotal (int st)
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{
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	// Number of steps + "current" bar
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	ui.historyTable->setRowCount (st+1);
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}
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void HistoryWindow::setShowWithMain (bool v)
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{
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	showwithmain=v;
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}
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void HistoryWindow::closeEvent( QCloseEvent* ce )
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{
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    ce->accept();	// TextEditor can be reopened with show()
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    showwithmain=false;
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	emit (windowClosed() );
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    return;
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}
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bool HistoryWindow::showWithMain()
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{
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	return showwithmain;
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}
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void HistoryWindow::undo()
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{
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	mainWindow->editUndo();
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}
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void HistoryWindow::redo()
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{
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	mainWindow->editRedo();
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}
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void HistoryWindow::select()
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{
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	mainWindow->gotoHistoryStep (ui.historyTable->row (ui.historyTable->selectedItems().first()));
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}