New StatementDialog, rename diagram classes

Other changes:
  - Use raw pointer instead of smart pointers to manage resources
  - Initial Painter implementation

3 files changed, 86 insertions, 10 deletions

diff --git a/src/ui/mainwindow.cpp b/src/ui/mainwindow.cpp
index 5776db7..8b40c1b 100644
--- a/src/ui/mainwindow.cpp
+++ b/src/ui/mainwindow.cpp
@@ -1,9 +1,12 @@
 #include "debugtools.h"
 
 #include "ui/metadatadialog.h"
+#include "ui/statementdialog.h"
 #include "ui/mainwindow.h"
 #include "ui_mainwindow.h"
 
+#include "diagram/statement.h"
+
 #include <iostream>
 
 #include <QMessageBox>
@@ -15,6 +18,7 @@ MainWindow::MainWindow(samb::Structogram *structogram, QWidget *parent) :
     _structogram(structogram)
 {
     _ui->setupUi(this);
+    _ui->painter->structogram(&_structogram);
 
     toolButtonsEnabled((_structogram != nullptr));
 }
@@ -53,7 +57,7 @@ void MainWindow::on_openButton_clicked()
             return;
 
     QString fileName = QFileDialog::getOpenFileName(this,
-        tr("Load diagram"), "", "NS Diagram (*.nsdg);;All Files (*)");
+        tr("Load diagram"), "", tr("NS Diagram (*.nsdg);;All Files (*)"));
 
     if (fileName.isEmpty())
         return;
@@ -86,18 +90,24 @@ void MainWindow::on_metadataButton_clicked()
     if (_structogram == nullptr)
         return;
 
-    MetadataDialog *dialog = new MetadataDialog(this);
-    dialog->setMetadata(_structogram->title(), _structogram->author());
+    MetadataDialog dialog(this);
+    dialog.setMetadata(_structogram->title(), _structogram->author());
 
-    if (dialog->exec() == QDialog::Accepted) {
-        _structogram->title(dialog->title());
-        _structogram->author(dialog->author());
+    if (dialog.exec() == QDialog::Accepted) {
+        _structogram->title(dialog.title());
+        _structogram->author(dialog.author());
     }
 }
 
 void MainWindow::on_newStatementButton_clicked()
 {
+    if (_structogram == nullptr)
+        return;
+
+    StatementDialog dialog(this);
+    if (dialog.exec() == QDialog::Accepted) {
 
+    }
 }
 
 /**** private methods ****/
diff --git a/src/ui/painter.cpp b/src/ui/painter.cpp
index b04e389..74f140e 100644
--- a/src/ui/painter.cpp
+++ b/src/ui/painter.cpp
@@ -1,14 +1,66 @@
 #include "ui/painter.h"
-#include "ui_painter.h"
+
+#include "debugtools.h"
+
+#include <cmath>
+
 
 Painter::Painter(QWidget *parent) :
     QWidget(parent),
-    _ui(new Ui::Painter)
+    _font("Latin Modern Roman"),
+    _fontMetrics(_font)
 {
-    _ui->setupUi(this);
+    // default font size
+    _font.setPixelSize(15);
 }
 
 Painter::~Painter()
 {
-    delete _ui;
+
+}
+
+void Painter::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event);
+
+    if (_structogram == nullptr) {
+        return;
+    }
+
+    if (*_structogram == nullptr) {
+        return;
+    }
+
+    QPainter qp(this);
+    qp.setFont(_font);
+
+    // TODO default values should not be magic numbers
+    QRect rect(50, 50, 600, 00);
+    for (auto it = (*_structogram)->begin(); it != (*_structogram)->end(); ++it) {
+        drawStatement(qp, *it, rect);
+        rect.setY(rect.y() + rect.height());
+    }
+}
+
+void Painter::drawStatement(QPainter &qp, samb::Statement &statement, const QRect &rect)
+{
+    QRect textRect(rect.x() + _margin,
+                   rect.y() + _margin,
+                   rect.width() - 2*_margin,
+                   rect.height() - 2*_margin);
+
+    int textHeight;
+    if (textRect.width() < _fontMetrics.width(statement.text())) {
+        textHeight = (_fontMetrics.height() + _fontMetrics.lineSpacing()) *
+                        (int) ceil(_fontMetrics.width(statement.text()) / (double) textRect.width());
+    } else {
+        textHeight = _fontMetrics.height();
+    }
+
+    if (textRect.height() < textHeight) {
+        debug_msg("painter error, textRect.height() < height");
+    }
+
+    qp.drawRect(rect);
+    qp.drawText(textRect, Qt::AlignVCenter, statement.text());
 }
diff --git a/src/ui/statementdialog.cpp b/src/ui/statementdialog.cpp
new file mode 100644
index 0000000..a543f95
--- /dev/null
+++ b/src/ui/statementdialog.cpp
@@ -0,0 +1,14 @@
+#include "include/ui/statementdialog.h"
+#include "ui_statementdialog.h"
+
+StatementDialog::StatementDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::StatementDialog)
+{
+    ui->setupUi(this);
+}
+
+StatementDialog::~StatementDialog()
+{
+    delete ui;
+}