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historywindow.cpp
author insilmaril
Wed, 02 May 2007 15:31:20 +0000
changeset 486 9c86935835a4
parent 482 24c7902a3e14
child 489 f0e482cd84f0
permissions -rw-r--r--
Mainly documentation fixes 
     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 

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

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

    40 }

    41 

    42 HistoryWindow::~HistoryWindow()

    43 {

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

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

    46 }

    47 

    48 void HistoryWindow::clearRow(int row)

    49 {

    50 	QTableWidgetItem *it;

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

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

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

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

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

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

    57 }

    58 

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

    60 {

    61 	QTableWidgetItem *item;

    62 

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

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

    65 

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

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

    68 

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

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

    71 }

    72 

    73 void HistoryWindow::update(SimpleSettings &set)

    74 {

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

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

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

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

    79 	int i;

    80 	int s=curStep;

    81 	int r=undosAvail-1;

    82 	QTableWidgetItem *item;

    83 

    84 	// Update buttons

    85 	if (undosAvail<1)

    86 		ui.undoButton->setEnabled (false);

    87 	else	

    88 		ui.undoButton->setEnabled (true);

    89 

    90 	if (redosAvail<1)

    91 		ui.redoButton->setEnabled (false);

    92 	else	

    93 		ui.redoButton->setEnabled (true);

    94 

    95 	// Update undos in table

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

    97 	{

    98 		updateRow (r,s,set);

    99 		r--;

   100 		s--;

   101 		if (s<1) s=stepsTotal;

   102 	}

   103 	

   104 	// Generated the "now" row

   105 	QColor c(255,200,120);

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

   107 	{

   108 		if (i!=1)

   109 		{

   110 			item=new QTableWidgetItem("");

   111 			item->setBackgroundColor (c);

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

   113 		}

   114 	}

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

   116 	item->setBackgroundColor (c);

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

   118 

   119 	// Show "now" row

   120 	ui.historyTable->scrollToItem (item);

   121 

   122 	// Update Redos in table

   123 	s=curStep;

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

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

   126 	{

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

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

   129 	}

   130 

   131 	// Delete the rest

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

   133 		clearRow (i);

   134 

   135 	ui.historyTable->resizeColumnsToContents();

   136 }

   137 

   138 void HistoryWindow::setStepsTotal (int st)

   139 {

   140 	// Number of steps + "current" bar

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

   142 

   143 }

   144 

   145 

   146 void HistoryWindow::closeEvent (QCloseEvent *ce)

   147 {

   148 	emit (windowClosed() );

   149 }

   150 

   151 void HistoryWindow::undo()

   152 {

   153 	mainWindow->editUndo();

   154 }

   155 

   156 void HistoryWindow::redo()

   157 {

   158 	mainWindow->editRedo();

   159 }

   160 

   161 void HistoryWindow::select()

   162 {

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

   164 }
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