New upstream version 2.9.22

[sven/vym.git] / src / historywindow.cpp

diff --git a/src/historywindow.cpp b/src/historywindow.cpp
new file mode 100644 (file)
index 0000000..a61f2d9
--- /dev/null
+++ b/src/historywindow.cpp
@@ -0,0 +1,192 @@
+#include "historywindow.h"
+#include "mainwindow.h"
+
+extern Settings settings;
+extern Main *mainWindow;
+
+HistoryWindow::HistoryWindow(QWidget *parent) : QDialog(parent)
+{
+    ui.setupUi(this);
+    ui.historyTable->setRowCount(
+        settings.value("/history/stepsTotal", 75).toInt());
+    ui.historyTable->setColumnCount(3);
+
+    QTableWidgetItem *item;
+
+    item = new QTableWidgetItem(tr("Action", "Table with actions"));
+    ui.historyTable->setHorizontalHeaderItem(0, item);
+
+    item = new QTableWidgetItem(tr("Comment", "Table with actions"));
+    ui.historyTable->setHorizontalHeaderItem(1, item);
+
+    item = new QTableWidgetItem(tr("Undo action", "Table with actions"));
+    ui.historyTable->setHorizontalHeaderItem(2, item);
+
+    ui.historyTable->setSelectionBehavior(QAbstractItemView::SelectRows);
+
+    ui.undoButton->setIcon(QIcon(":/undo.png"));
+    ui.redoButton->setIcon(QIcon(":/redo.png"));
+
+    connect(ui.undoButton, SIGNAL(clicked()), this, SLOT(undo()));
+    connect(ui.redoButton, SIGNAL(clicked()), this, SLOT(redo()));
+    connect(ui.historyTable, SIGNAL(itemSelectionChanged()), this,
+            SLOT(select()));
+
+    // Load Settings
+
+    resize(
+        settings
+            .value("/satellite/historywindow/geometry/size", QSize(1000, 400))
+            .toSize());
+    move(settings.value("/satellite/historywindow/geometry/pos", QPoint(0, 450))
+             .toPoint());
+
+    ui.historyTable->setColumnWidth(
+        0,
+        settings.value("/satellite/historywindow/geometry/columnWidth/0", 250)
+            .toInt());
+    ui.historyTable->setColumnWidth(
+        1,
+        settings.value("/satellite/historywindow/geometry/columnWidth/1", 350)
+            .toInt());
+    ui.historyTable->setColumnWidth(
+        2,
+        settings.value("/satellite/historywindow/geometry/columnWidth/2", 250)
+            .toInt());
+}
+
+HistoryWindow::~HistoryWindow()
+{
+    // Save settings
+    settings.setValue("/satellite/historywindow/geometry/size", size());
+    settings.setValue("/satellite/historywindow/geometry/pos", pos());
+
+    for (int i = 0; i < 3; ++i)
+        settings.setValue(
+            QString("/satellite/historywindow/geometry/columnWidth/%1").arg(i),
+            ui.historyTable->columnWidth(i));
+}
+
+void HistoryWindow::clearRow(int row)
+{
+    QTableWidgetItem *it;
+    it = ui.historyTable->item(row, 0);
+    if (it)
+        it->setText("");
+    it = ui.historyTable->item(row, 1);
+    if (it)
+        it->setText("");
+    it = ui.historyTable->item(row, 2);
+    if (it)
+        it->setText("");
+}
+
+void HistoryWindow::updateRow(int row, int step, SimpleSettings &set)
+{
+    QTableWidgetItem *item;
+
+    item = new QTableWidgetItem(
+        set.value(QString("/history/step-%1/redoCommand").arg(step)));
+    ui.historyTable->setItem(row, 0, item);
+
+    item = new QTableWidgetItem(
+        set.value(QString("/history/step-%1/comment").arg(step)));
+    ui.historyTable->setItem(row, 1, item);
+
+    item = new QTableWidgetItem(
+        set.value(QString("/history/step-%1/undoCommand").arg(step)));
+    ui.historyTable->setItem(row, 2, item);
+}
+
+void HistoryWindow::update(SimpleSettings &set)
+{
+    int undosAvail = set.numValue("/history/undosAvail", 0);
+    int redosAvail = set.numValue("/history/redosAvail", 0);
+    int stepsTotal = set.numValue("/history/stepsTotal", 1000);
+    int curStep = set.numValue("/history/curStep");
+    int i;
+    int s = curStep;
+    int r = undosAvail - 1;
+    QTableWidgetItem *item;
+
+    // Update number of rows
+    ui.historyTable->setRowCount(undosAvail + redosAvail + 1);
+
+    // Update buttons
+    if (undosAvail < 1)
+        ui.undoButton->setEnabled(false);
+    else
+        ui.undoButton->setEnabled(true);
+
+    if (redosAvail < 1)
+        ui.redoButton->setEnabled(false);
+    else
+        ui.redoButton->setEnabled(true);
+
+    // Update undos in table
+    for (i = undosAvail; i > 0; i--) {
+        updateRow(r, s, set);
+        r--;
+        s--;
+        if (s < 1)
+            s = stepsTotal;
+    }
+
+    // Generated the "now" row
+    QColor c = palette().color(QPalette::Highlight);
+    for (i = 0; i <= 2; i++) {
+        if (i != 1) {
+            item = new QTableWidgetItem("");
+            item->setBackground(QBrush(c));
+            ui.historyTable->setItem(undosAvail, i, item);
+        }
+    }
+    item = new QTableWidgetItem(
+        " - " + tr("Current state", "Current bar in history hwindow") + " - ");
+    item->setBackground(QBrush(c));
+    ui.historyTable->setItem(undosAvail, 1, item);
+
+    // Show "now" row
+    ui.historyTable->scrollToItem(item);
+
+    // Update Redos in table
+    s = curStep;
+    s++;
+    if (s > stepsTotal)
+        s = 1;
+    for (i = 1; i <= redosAvail; i++) {
+        updateRow(undosAvail + i, s, set);
+        s++;
+        if (s > stepsTotal)
+            s = 1;
+    }
+
+    // Delete the rest
+    for (i = undosAvail + redosAvail + 1; i <= stepsTotal; i++)
+        clearRow(i);
+
+    // ui.historyTable->resizeColumnsToContents();
+}
+
+void HistoryWindow::setStepsTotal(int st)
+{
+    // Number of steps + "current" bar
+    ui.historyTable->setRowCount(st + 1);
+}
+
+void HistoryWindow::closeEvent(QCloseEvent *ce)
+{
+    ce->accept();
+    hide();
+    emit(windowClosed());
+}
+
+void HistoryWindow::undo() { mainWindow->editUndo(); }
+
+void HistoryWindow::redo() { mainWindow->editRedo(); }
+
+void HistoryWindow::select()
+{
+    mainWindow->gotoHistoryStep(
+        ui.historyTable->row(ui.historyTable->selectedItems().first()));
+}