[Kst] branches/work/kst/portto4/kst/src/libkstapp

[George Staikos]

SVN commit 669887 by staikos:

start to implement printing support


 M  +1 -3      TODO  
 M  +20 -1     document.cpp  
 M  +7 -1      document.h  
 M  +88 -4     mainwindow.cpp  
 M  +6 -0      mainwindow.h  
 M  +9 -0      tabwidget.cpp  
 M  +1 -0      tabwidget.h  


--- branches/work/kst/portto4/kst/src/libkstapp/TODO #669886:669887
@@ -45,14 +45,12 @@
 Document
 --------
 - Save
+- Open
 - Move data collections into here somehow?
 
 
 MainWindow
 ----------
-- Statusbar items
-- Printing
-- Open/Save
 - Toolbar
 - Mouse modes
 
--- branches/work/kst/portto4/kst/src/libkstapp/document.cpp #669886:669887
@@ -30,9 +30,28 @@
 }
 
 
-void Document::save(const QString& to) {
+bool Document::save(const QString& to) {
 }
 
+
+bool Document::open(const QString& file) {
 }
 
+
+QString Document::lastError() const {
+  return QString::null;
+}
+
+
+bool Document::isChanged() const {
+  return true;  // FIXME!
+}
+
+
+bool Document::isOpen() const {
+  return true;  // FIXME!
+}
+
+}
+
 // vim: ts=2 sw=2 et
--- branches/work/kst/portto4/kst/src/libkstapp/document.h #669886:669887
@@ -25,8 +25,14 @@
 
     SessionModel* session() const;
 
-    void save(const QString& to = QString::null);
+    bool open(const QString& file);
+    bool save(const QString& to = QString::null);
 
+    bool isChanged() const;
+    bool isOpen() const;
+
+    QString lastError() const;
+
   private:
     SessionModel *_session;
 };
--- branches/work/kst/portto4/kst/src/libkstapp/mainwindow.cpp #669886:669887
@@ -91,7 +91,21 @@
 }
 
 
+bool MainWindow::promptSave() {
+    int rc = QMessageBox::warning(this, tr("Kst"), tr("Your document has been modified.\nSave changes?"), QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Save);
+    if (rc == QMessageBox::Save) {
+      save();
+    } else if (rc == QMessageBox::Cancel) {
+      return false;
+    }
+    return true;
+}
+
+
 void MainWindow::closeEvent(QCloseEvent *e) {
+  if (_doc->isChanged() && !promptSave()) {
+    return;
+  }
   cleanup();
   QMainWindow::closeEvent(e);
 }
@@ -112,6 +126,76 @@
 }
 
 
+void MainWindow::save() {
+  if (_doc->isOpen()) {
+    _doc->save();
+  }
+}
+
+
+void MainWindow::saveAs() {
+  if (_doc->isOpen()) {
+    _doc->save();
+  }
+}
+
+
+void MainWindow::open() {
+  if (_doc->isChanged() && !promptSave()) {
+    return;
+  }
+  QString fn = QFileDialog::getOpenFileName(this, tr("Kst: Open File"), QString(), tr("Kst Sessions (*.kst)"));
+  if (!fn.isEmpty()) {
+    delete _doc;
+  }
+  _doc = new Document;
+  bool ok = _doc->open(fn);
+  if (!ok) {
+    QMessageBox::critical(this, tr("Kst"), tr("Error opening document '%1':\n%2").arg(fn, _doc->lastError()));
+    delete _doc;
+    _doc = new Document;
+  }
+}
+
+
+void MainWindow::print() {
+  if (!_doc->isOpen()) {
+    return;
+  }
+
+  QPrinter printer(QPrinter::HighResolution);
+
+  QPrintDialog pd(&printer, this);
+  pd.addEnabledOption(QPrintDialog::PrintToFile);
+  pd.addEnabledOption(QPrintDialog::PrintPageRange);
+
+  if (pd.exec() == QDialog::Accepted) {
+    QPainter painter(&printer);
+    QList<QGraphicsView*> pages;
+    switch (printer.printRange()) {
+      case QPrinter::PageRange:
+        break;
+      case QPrinter::AllPages:
+        foreach (QGraphicsView *view, _tabWidget->views()) {
+          pages.append(view);
+        }
+        break;
+      case QPrinter::Selection:
+      default:
+        pages.append(_tabWidget->currentView());
+        break;
+    }
+
+    for (int i = 0; i < printer.numCopies(); ++i) {
+      foreach (QGraphicsView *view, pages) {
+        view->render(&painter, QRectF(), QRect(), Qt::KeepAspectRatio /* IgnoreAspectRatio */);
+        printer.newPage();
+      }
+    }
+  }
+}
+
+
 void MainWindow::currentViewChanged() {
   _undoGroup->setActiveStack(_tabWidget->currentView()->undoStack());
 }
@@ -226,19 +310,19 @@
 
   _saveAct = new QAction(tr("&Save"), this);
   _saveAct->setStatusTip(tr("Save the current session"));
-  //connect(_saveAct, SIGNAL(triggered()), document(), SLOT(save()));
+  connect(_saveAct, SIGNAL(triggered()), this, SLOT(save()));
 
   _saveAsAct = new QAction(tr("Save &as..."), this);
   _saveAsAct->setStatusTip(tr("Save the current session"));
-  //connect(_saveAsAct, SIGNAL(triggered()), document(), SLOT(saveAs()));
+  connect(_saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs()));
 
   _openAct = new QAction(tr("&Open..."), this);
   _openAct->setStatusTip(tr("Open a new session"));
-  //connect(_openAct, SIGNAL(triggered()), this, SLOT(openDocument()));
+  connect(_openAct, SIGNAL(triggered()), this, SLOT(open()));
 
   _printAct = new QAction(tr("&Print..."), this);
   _printAct->setStatusTip(tr("Print the current view"));
-  //connect(_printAct, SIGNAL(triggered()), this, SLOT(print()));
+  connect(_printAct, SIGNAL(triggered()), this, SLOT(print()));
 
   _exitAct = new QAction(tr("E&xit"), this);
   _exitAct->setShortcut(tr("Ctrl+Q"));
--- branches/work/kst/portto4/kst/src/libkstapp/mainwindow.h #669886:669887
@@ -44,6 +44,11 @@
     void showDataManager();
     void showVectorEditor();
 
+    void save();
+    void saveAs();
+    void open();
+    void print();
+
   private Q_SLOTS:
     void aboutToQuit();
     void about();
@@ -71,6 +76,7 @@
 
     void readSettings();
     void writeSettings();
+    bool promptSave();
 
   private:
     Document *_doc;
--- branches/work/kst/portto4/kst/src/libkstapp/tabwidget.cpp #669886:669887
@@ -56,6 +56,15 @@
 }
 
 
+QList<View*> TabWidget::views() const {
+  QList<View*> v;
+  for (int i = 0; i < count(); ++i) {
+    v.append(qobject_cast<View*>(widget(i)));
+  }
+  return v;
+}
+
+
 void TabWidget::viewDestroyed(QObject *object) {
   View *view = qobject_cast<View*>(object);
   removeTab(indexOf(view));
--- branches/work/kst/portto4/kst/src/libkstapp/tabwidget.h #669886:669887
@@ -26,6 +26,7 @@
     ~TabWidget();
 
     View *currentView() const;
+    QList<View*> views() const;
 
   public Q_SLOTS:
     View *createView();