Implement basic ui

Changes:

 - Clean up code to use Qt coding style
 - Add comments to some methods
 - Add debugtools to have debug_msg() and debug_err() macros
 - New Serializer class header to save / load data
 - MetadataDialog: check validity of metadata
 - MainWindow: initial code for `tool' buttons to edit the structogram
 - MainWindow: open / save dialog

3 files changed, 13 insertions, 5 deletions

diff --git a/include/diagram/branchstatement.h b/include/diagram/branchstatement.h
index 6c5e416..3d8c385 100644
--- a/include/diagram/branchstatement.h
+++ b/include/diagram/branchstatement.h
@@ -8,13 +8,15 @@
 
 namespace samb {
 
+/* Implementation for Statement::DECISION, Statement::SWITCH
+ */
 class BranchStatement : public Statement
 {
 public:
     BranchStatement(Type t, const QString &condition, pointer next);
 
     /* accessors */
-    const std::map<QString, pointer>& branches() const { return _branches; }
+    std::map<QString, pointer>& branches() { return _branches; }
     std::size_t branches_count() const { return _branchesCount; }
 
     inline const QString& condition() const { return text(); }
diff --git a/include/diagram/iteratorstatement.h b/include/diagram/iteratorstatement.h
index a8f6d59..e7fbba0 100644
--- a/include/diagram/iteratorstatement.h
+++ b/include/diagram/iteratorstatement.h
@@ -8,13 +8,15 @@
 
 namespace samb {
 
+/* Implementation for Statement::WHILE Statement::UNTIL
+ */
 class IteratorStatement : public Statement
 {
 public:
     IteratorStatement(Type t, const QString &condition, pointer next);
 
     /* accessors */
-    const Scope& inner() const { return _inner; }
+    Scope& inner() { return _inner; }
 
     inline const QString& condition() const { return text(); }
     inline void condition(const QString &condition) { return text(condition); }
diff --git a/include/diagram/structogram.h b/include/diagram/structogram.h
index 6b2e0db..cd501aa 100644
--- a/include/diagram/structogram.h
+++ b/include/diagram/structogram.h
@@ -7,15 +7,19 @@
 
 namespace samb {
 
+/* A structogram is a specific type of scope, that is the root scope.
+ * As a result it contains some metadata informations about the author,
+ * date of creation ecc.
+ */
 class Structogram : public Scope
 {
 public:
     Structogram(const QString &title, const QString &author);
-    ~Structogram();
+    virtual ~Structogram();
 
     /* accessors */
-    void title(const QString &title) { text(title); }
-    const QString& title() const { return text(); }
+    inline void title(const QString &title) { text(title); }
+    inline const QString& title() const { return text(); }
 
     void author(const QString &author) { _author = author; }
     const QString& author() const { return _author; }