src/historywindow.cpp

   1 #include "historywindow.h"
   2 #include "mainwindow.h"
   3
   4 extern Settings settings;
   5 extern Main *mainWindow;
   6
   7 HistoryWindow::HistoryWindow(QWidget *parent) : QDialog(parent)
   8 {
   9     ui.setupUi(this);
  10     ui.historyTable->setRowCount(
  11         settings.value("/history/stepsTotal", 75).toInt());
  12     ui.historyTable->setColumnCount(3);
  13
  14     QTableWidgetItem *item;
  15
  16     item = new QTableWidgetItem(tr("Action", "Table with actions"));
  17     ui.historyTable->setHorizontalHeaderItem(0, item);
  18
  19     item = new QTableWidgetItem(tr("Comment", "Table with actions"));
  20     ui.historyTable->setHorizontalHeaderItem(1, item);
  21
  22     item = new QTableWidgetItem(tr("Undo action", "Table with actions"));
  23     ui.historyTable->setHorizontalHeaderItem(2, item);
  24
  25     ui.historyTable->setSelectionBehavior(QAbstractItemView::SelectRows);
  26
  27     ui.undoButton->setIcon(QIcon(":/undo.png"));
  28     ui.redoButton->setIcon(QIcon(":/redo.png"));
  29
  30     connect(ui.undoButton, SIGNAL(clicked()), this, SLOT(undo()));
  31     connect(ui.redoButton, SIGNAL(clicked()), this, SLOT(redo()));
  32     connect(ui.historyTable, SIGNAL(itemSelectionChanged()), this,
  33             SLOT(select()));
  34
  35     // Load Settings
  36
  37     resize(
  38         settings
  39             .value("/satellite/historywindow/geometry/size", QSize(1000, 400))
  40             .toSize());
  41     move(settings.value("/satellite/historywindow/geometry/pos", QPoint(0, 450))
  42              .toPoint());
  43
  44     ui.historyTable->setColumnWidth(
  45         0,
  46         settings.value("/satellite/historywindow/geometry/columnWidth/0", 250)
  47             .toInt());
  48     ui.historyTable->setColumnWidth(
  49         1,
  50         settings.value("/satellite/historywindow/geometry/columnWidth/1", 350)
  51             .toInt());
  52     ui.historyTable->setColumnWidth(
  53         2,
  54         settings.value("/satellite/historywindow/geometry/columnWidth/2", 250)
  55             .toInt());
  56 }
  57
  58 HistoryWindow::~HistoryWindow()
  59 {
  60     // Save settings
  61     settings.setValue("/satellite/historywindow/geometry/size", size());
  62     settings.setValue("/satellite/historywindow/geometry/pos", pos());
  63
  64     for (int i = 0; i < 3; ++i)
  65         settings.setValue(
  66             QString("/satellite/historywindow/geometry/columnWidth/%1").arg(i),
  67             ui.historyTable->columnWidth(i));
  68 }
  69
  70 void HistoryWindow::clearRow(int row)
  71 {
  72     QTableWidgetItem *it;
  73     it = ui.historyTable->item(row, 0);
  74     if (it)
  75         it->setText("");
  76     it = ui.historyTable->item(row, 1);
  77     if (it)
  78         it->setText("");
  79     it = ui.historyTable->item(row, 2);
  80     if (it)
  81         it->setText("");
  82 }
  83
  84 void HistoryWindow::updateRow(int row, int step, SimpleSettings &set)
  85 {
  86     QTableWidgetItem *item;
  87
  88     item = new QTableWidgetItem(
  89         set.value(QString("/history/step-%1/redoCommand").arg(step)));
  90     ui.historyTable->setItem(row, 0, item);
  91
  92     item = new QTableWidgetItem(
  93         set.value(QString("/history/step-%1/comment").arg(step)));
  94     ui.historyTable->setItem(row, 1, item);
  95
  96     item = new QTableWidgetItem(
  97         set.value(QString("/history/step-%1/undoCommand").arg(step)));
  98     ui.historyTable->setItem(row, 2, item);
  99 }
 100
 101 void HistoryWindow::update(SimpleSettings &set)
 102 {
 103     int undosAvail = set.numValue("/history/undosAvail", 0);
 104     int redosAvail = set.numValue("/history/redosAvail", 0);
 105     int stepsTotal = set.numValue("/history/stepsTotal", 1000);
 106     int curStep = set.numValue("/history/curStep");
 107     int i;
 108     int s = curStep;
 109     int r = undosAvail - 1;
 110     QTableWidgetItem *item;
 111
 112     // Update number of rows
 113     ui.historyTable->setRowCount(undosAvail + redosAvail + 1);
 114
 115     // Update buttons
 116     if (undosAvail < 1)
 117         ui.undoButton->setEnabled(false);
 118     else
 119         ui.undoButton->setEnabled(true);
 120
 121     if (redosAvail < 1)
 122         ui.redoButton->setEnabled(false);
 123     else
 124         ui.redoButton->setEnabled(true);
 125
 126     // Update undos in table
 127     for (i = undosAvail; i > 0; i--) {
 128         updateRow(r, s, set);
 129         r--;
 130         s--;
 131         if (s < 1)
 132             s = stepsTotal;
 133     }
 134
 135     // Generated the "now" row
 136     QColor c = palette().color(QPalette::Highlight);
 137     for (i = 0; i <= 2; i++) {
 138         if (i != 1) {
 139             item = new QTableWidgetItem("");
 140             item->setBackground(QBrush(c));
 141             ui.historyTable->setItem(undosAvail, i, item);
 142         }
 143     }
 144     item = new QTableWidgetItem(
 145         " - " + tr("Current state", "Current bar in history hwindow") + " - ");
 146     item->setBackground(QBrush(c));
 147     ui.historyTable->setItem(undosAvail, 1, item);
 148
 149     // Show "now" row
 150     ui.historyTable->scrollToItem(item);
 151
 152     // Update Redos in table
 153     s = curStep;
 154     s++;
 155     if (s > stepsTotal)
 156         s = 1;
 157     for (i = 1; i <= redosAvail; i++) {
 158         updateRow(undosAvail + i, s, set);
 159         s++;
 160         if (s > stepsTotal)
 161             s = 1;
 162     }
 163
 164     // Delete the rest
 165     for (i = undosAvail + redosAvail + 1; i <= stepsTotal; i++)
 166         clearRow(i);
 167
 168     // ui.historyTable->resizeColumnsToContents();
 169 }
 170
 171 void HistoryWindow::setStepsTotal(int st)
 172 {
 173     // Number of steps + "current" bar
 174     ui.historyTable->setRowCount(st + 1);
 175 }
 176
 177 void HistoryWindow::closeEvent(QCloseEvent *ce)
 178 {
 179     ce->accept();
 180     hide();
 181     emit(windowClosed());
 182 }
 183
 184 void HistoryWindow::undo() { mainWindow->editUndo(); }
 185
 186 void HistoryWindow::redo() { mainWindow->editRedo(); }
 187
 188 void HistoryWindow::select()
 189 {
 190     mainWindow->gotoHistoryStep(
 191         ui.historyTable->row(ui.historyTable->selectedItems().first()));
 192 }