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historywindow.cpp
author insilmaril
Wed Apr 25 16:02:54 2007 +0000 (2007-04-25)
changeset 467 b54deedfcfdd
parent 421 5522d1da7e37
child 482 24c7902a3e14
permissions -rw-r--r--
started doxygen documentation 
     1 #include "historywindow.h"

     2 #include "mainwindow.h"

     3 

     4 

     5 extern QString iconPath;

     6 extern Settings settings;

     7 extern Main *mainWindow;

     8 

     9 HistoryWindow::HistoryWindow (QWidget *parent):QDialog (parent)

    10 {

    11 	ui.setupUi (this);

    12 	ui.historyTable->setRowCount (20);

    13 	ui.historyTable->setColumnCount (3);

    14 

    15 	

    16 	QTableWidgetItem *item;

    17 

    18 	item= new QTableWidgetItem(tr("Action","Table with actions"));

    19 	ui.historyTable->setHorizontalHeaderItem(0, item);

    20 	

    21 	item= new QTableWidgetItem(tr("Comment","Table with actions"));

    22 	ui.historyTable->setHorizontalHeaderItem(1, item);

    23 	

    24 	item= new QTableWidgetItem(tr("Undo action","Table with actions"));

    25 	ui.historyTable->setHorizontalHeaderItem(2, item);

    26 

    27 	ui.historyTable->setSelectionBehavior (QAbstractItemView::SelectRows);

    28 

    29 	ui.undoButton->setIcon (QIcon(iconPath+"/undo.png"));

    30 	ui.redoButton->setIcon (QIcon(iconPath+"/redo.png"));

    31 

    32 	connect ( ui.undoButton, SIGNAL (clicked()), this, SLOT (undo()));

    33 	connect ( ui.redoButton, SIGNAL (clicked()), this, SLOT (redo()));

    34 	connect ( ui.historyTable, SIGNAL (itemSelectionChanged()), this, SLOT (select()));

    35 

    36 	// Load Settings

    37 	resize (settings.value ( "/historywindow/geometry/size", QSize(450,600)).toSize());

    38 	move   (settings.value ( "/historywindow/geometry/pos", QPoint (250,50)).toPoint());

    39 

    40 	for (int i=0; i<3; ++i)

    41 		ui.historyTable->setColumnWidth (i,settings.value( QString("/historywindow/geometry/columnWidth/%1").arg(i),150).toInt());

    42 

    43 	if (settings.value ( "/historywindow/showWithMain",false).toBool())

    44 		setShowWithMain(true);

    45 	else	

    46 		setShowWithMain(false);

    47 

    48 }

    49 

    50 HistoryWindow::~HistoryWindow()

    51 {

    52 	settings.setValue( "/historywindow/geometry/size", size() );

    53 	settings.setValue( "/historywindow/geometry/pos", pos() );

    54 	settings.setValue( "/historywindow/showWithMain",showWithMain());

    55 	for (int i=0; i<3; ++i)

    56 		settings.setValue( QString("/historywindow/geometry/columnWidth/%1").arg(i), ui.historyTable->columnWidth (i) );

    57 }

    58 

    59 void HistoryWindow::clearRow(int row)

    60 {

    61 	QTableWidgetItem *it;

    62 	it=ui.historyTable->item (row,0);

    63 	if (it) it->setText ("");

    64 	it=ui.historyTable->item (row,1);

    65 	if (it) it->setText ("");

    66 	it=ui.historyTable->item (row,2);

    67 	if (it) it->setText ("");

    68 }

    69 

    70 void HistoryWindow::updateRow(int row, int step, SimpleSettings &set)

    71 {

    72 	QTableWidgetItem *item;

    73 

    74 	item= new QTableWidgetItem(set.readEntry(QString("/history/step-%1/redoCommand").arg(step)));

    75 	ui.historyTable->setItem(row, 0, item);

    76 

    77 	item= new QTableWidgetItem(set.readEntry(QString("/history/step-%1/comment").arg(step)));

    78 	ui.historyTable->setItem(row, 1, item);

    79 

    80 	item=new QTableWidgetItem(set.readEntry(QString("/history/step-%1/undoCommand").arg(step)));

    81 	ui.historyTable->setItem(row, 2, item);

    82 }

    83 

    84 void HistoryWindow::update(SimpleSettings &set)

    85 {

    86 	int undosAvail=set.readNumEntry("/history/undosAvail",0);

    87 	int redosAvail=set.readNumEntry("/history/redosAvail",0);

    88 	int stepsTotal=set.readNumEntry("/history/stepsTotal",0);

    89 	int curStep=set.readNumEntry ("/history/curStep");

    90 	int i;

    91 	int s=curStep;

    92 	int r=undosAvail-1;

    93 	QTableWidgetItem *item;

    94 

    95 	// Update buttons

    96 	if (undosAvail<1)

    97 		ui.undoButton->setEnabled (false);

    98 	else	

    99 		ui.undoButton->setEnabled (true);

   100 

   101 	if (redosAvail<1)

   102 		ui.redoButton->setEnabled (false);

   103 	else	

   104 		ui.redoButton->setEnabled (true);

   105 

   106 	// Update undos in table

   107 	for (i=undosAvail; i>0; i--)

   108 	{

   109 		updateRow (r,s,set);

   110 		r--;

   111 		s--;

   112 		if (s<1) s=stepsTotal;

   113 	}

   114 	

   115 	// Generated the "now" row

   116 	QColor c(255,200,120);

   117 	for (i=0;i<=2;i++)

   118 	{

   119 		if (i!=1)

   120 		{

   121 			item=new QTableWidgetItem("");

   122 			item->setBackgroundColor (c);

   123 			ui.historyTable->setItem(undosAvail, i, item);

   124 		}

   125 	}

   126 	item=new QTableWidgetItem(" - " +tr("Current state","Current bar in history hwindow")+ " - ");

   127 	item->setBackgroundColor (c);

   128 	ui.historyTable->setItem(undosAvail, 1, item);

   129 

   130 	// Show "now" row

   131 	ui.historyTable->scrollToItem (item);

   132 

   133 	// Update Redos in table

   134 	s=curStep;

   135 	s++; if (s>stepsTotal) s=1;

   136 	for (i=1;i<= redosAvail; i++)

   137 	{

   138 		updateRow (undosAvail+i,s,set);

   139 		s++; if (s>stepsTotal) s=1;

   140 	}

   141 

   142 	// Delete the rest

   143 	for (i=undosAvail+redosAvail+1;i<= stepsTotal; i++)

   144 		clearRow (i);

   145 

   146 	ui.historyTable->resizeColumnsToContents();

   147 }

   148 

   149 void HistoryWindow::setStepsTotal (int st)

   150 {

   151 	// Number of steps + "current" bar

   152 	ui.historyTable->setRowCount (st+1);

   153 

   154 }

   155 

   156 void HistoryWindow::setShowWithMain (bool v)

   157 {

   158 	showwithmain=v;

   159 }

   160 

   161 void HistoryWindow::closeEvent( QCloseEvent* ce )

   162 {

   163     ce->accept();	// TextEditor can be reopened with show()

   164     showwithmain=false;

   165 	emit (windowClosed() );

   166     return;

   167 }

   168 

   169 

   170 bool HistoryWindow::showWithMain()

   171 {

   172 	return showwithmain;

   173 }

   174 

   175 void HistoryWindow::undo()

   176 {

   177 	mainWindow->editUndo();

   178 }

   179 

   180 void HistoryWindow::redo()

   181 {

   182 	mainWindow->editRedo();

   183 }

   184 

   185 void HistoryWindow::select()

   186 {

   187 	mainWindow->gotoHistoryStep (ui.historyTable->row (ui.historyTable->selectedItems().first()));

   188 }
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