qeditor: rework modified indicator, register tab names depend on content

Because Qt doesn't support QObject multiple inherance, it is a bit tricky
to have a base class which interact with the UI. The register tab name
now display:
- file dump name (for dumps)
- hwstub device path (for hwstub)
And the register editor display the filename
Change-Id: If2579992098c02627c67d560c824f1668e73bc45
Reviewed-on: http://gerrit.rockbox.org/979
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>

7 files changed, 129 insertions, 48 deletions

diff --git a/utils/regtools/qeditor/backend.h b/utils/regtools/qeditor/backend.h
index e876e9d286..de450143f1 100644
--- a/utils/regtools/qeditor/backend.h
+++ b/utils/regtools/qeditor/backend.h
@@ -99,6 +99,7 @@ public:
         { Q_UNUSED(addr); Q_UNUSED(value); Q_UNUSED(mode); return false; }
     virtual bool IsDirty() { return m_dirty; }
     virtual bool Commit();
+    QString GetFileName() { return m_filename; }
 
 protected:
     QString m_filename;
@@ -164,6 +165,7 @@ public:
     virtual bool WriteRegister(soc_addr_t addr, soc_word_t value, WriteMode mode);
     virtual bool IsDirty() { return false; }
     virtual bool Commit() { return true; }
+    HWStubDevice *GetDevice() { return m_dev; }
 
 protected:
     QString m_soc;
diff --git a/utils/regtools/qeditor/mainwindow.cpp b/utils/regtools/qeditor/mainwindow.cpp
index 1a88ebb47e..58f9766761 100644
--- a/utils/regtools/qeditor/mainwindow.cpp
+++ b/utils/regtools/qeditor/mainwindow.cpp
@@ -14,6 +14,25 @@
 #include "regtab.h"
 #include "regedit.h"
 
+/**
+ * DocumentTab
+ */
+void DocumentTab::OnModified(bool modified)
+{
+    if(m_tab)
+        m_tab->SetTabModified(this, modified);
+}
+
+void DocumentTab::SetTabName(const QString& name)
+{
+    if(m_tab)
+        m_tab->SetTabName(this, name);
+}
+
+/**
+ * MyTabWidget
+ */
+
 MyTabWidget::MyTabWidget()
 {
     setMovable(true);
@@ -21,6 +40,20 @@ MyTabWidget::MyTabWidget()
     connect(this, SIGNAL(tabCloseRequested(int)), this, SLOT(OnCloseTab(int)));
 }
 
+void MyTabWidget::SetTabModified(DocumentTab *doc, bool modified)
+{
+    int index = indexOf(doc->GetWidget());
+    if(modified)
+        setTabIcon(index, QIcon::fromTheme("document-save"));
+    else
+        setTabIcon(index, QIcon());
+}
+
+void MyTabWidget::SetTabName(DocumentTab *doc, const QString& name)
+{
+    setTabText(indexOf(doc->GetWidget()), name);
+}
+
 bool MyTabWidget::CloseTab(int index)
 {
     QWidget *w = this->widget(index);
@@ -40,6 +73,10 @@ void MyTabWidget::OnCloseTab(int index)
     CloseTab(index);
 }
 
+/**
+ * MainWindow
+ */
+
 MainWindow::MainWindow(Backend *backend)
     :m_backend(backend)
 {
@@ -144,20 +181,10 @@ void MainWindow::OnLoadDesc()
     }
 }
 
-void MainWindow::OnTabModified(bool modified)
-{
-    QWidget *sender = qobject_cast< QWidget* >(QObject::sender());
-    int index = m_tab->indexOf(sender);
-    if(modified)
-        m_tab->setTabIcon(index, QIcon::fromTheme("document-save"));
-    else
-        m_tab->setTabIcon(index, QIcon());
-}
-
-void MainWindow::AddTab(QWidget *tab, const QString& title)
+void MainWindow::AddTab(DocumentTab *doc, const QString& title)
 {
-    connect(tab, SIGNAL(OnModified(bool)), this, SLOT(OnTabModified(bool)));
-    m_tab->setCurrentIndex(m_tab->addTab(tab, title));
+    m_tab->setCurrentIndex(m_tab->addTab(doc->GetWidget(), title));
+    doc->SetTabWidget(m_tab);
 }
 
 void MainWindow::OnNewRegTab()
diff --git a/utils/regtools/qeditor/mainwindow.h b/utils/regtools/qeditor/mainwindow.h
index b32b0647f5..47cfa6796d 100644
--- a/utils/regtools/qeditor/mainwindow.h
+++ b/utils/regtools/qeditor/mainwindow.h
@@ -7,11 +7,20 @@
 #include "backend.h"
 #include "settings.h"
 
+class MyTabWidget;
+
 class DocumentTab
 {
 public:
+    DocumentTab() { m_tab = 0; }
     virtual bool Quit() = 0;
-    virtual void OnModified(bool modified) = 0;
+    virtual QWidget *GetWidget() = 0;
+    void SetTabWidget(MyTabWidget *tab) { m_tab = tab; }
+
+protected:
+    void OnModified(bool modified);
+    void SetTabName(const QString& name);
+    MyTabWidget *m_tab;
 };
 
 class MyTabWidget : public QTabWidget
@@ -20,6 +29,8 @@ class MyTabWidget : public QTabWidget
 public:
     MyTabWidget();
     bool CloseTab(int index);
+    void SetTabModified(DocumentTab *tab, bool mod);
+    void SetTabName(DocumentTab *tab, const QString& name);
 
 private slots:
     void OnCloseTab(int index);
@@ -39,7 +50,7 @@ private:
     void closeEvent(QCloseEvent *event);
 
 protected:
-    void AddTab(QWidget *tab, const QString& title);
+    void AddTab(DocumentTab *tab, const QString& title);
     bool Quit();
 
 private slots:
@@ -49,7 +60,6 @@ private slots:
     void OnLoadDesc();
     void OnNewRegTab();
     void OnNewRegEdit();
-    void OnTabModified(bool modified);
 
 private:
     MyTabWidget *m_tab;
diff --git a/utils/regtools/qeditor/regedit.cpp b/utils/regtools/qeditor/regedit.cpp
index bb1abc0825..316b5b0dc9 100644
--- a/utils/regtools/qeditor/regedit.cpp
+++ b/utils/regtools/qeditor/regedit.cpp
@@ -47,13 +47,13 @@ SocEditPanel::SocEditPanel(SocRef ref, QWidget *parent)
 void SocEditPanel::OnNameEdited(const QString& text)
 {
     m_ref.GetSoc().name = text.toStdString();
-    emit OnModified(m_name_edit->isModified());
+    OnModified(m_name_edit->isModified());
 }
 
 void SocEditPanel::OnTextEdited()
 {
     m_ref.GetSoc().desc = m_desc_edit->GetTextHtml().toStdString();
-    emit OnModified(m_desc_edit->IsModified());
+    OnModified(m_desc_edit->IsModified());
 }
 
 /**
@@ -143,25 +143,25 @@ DevEditPanel::DevEditPanel(SocDevRef ref, QWidget *parent)
 void DevEditPanel::OnNameEdited(const QString& text)
 {
     m_ref.GetDev().name = text.toStdString();
-    emit OnModified(m_name_edit->isModified());
+    OnModified(m_name_edit->isModified());
 }
 
 void DevEditPanel::OnLongNameEdited(const QString& text)
 {
     m_ref.GetDev().long_name = text.toStdString();
-    emit OnModified(m_long_name_edit->isModified());
+    OnModified(m_long_name_edit->isModified());
 }
 
 void DevEditPanel::OnVersionEdited(const QString& text)
 {
     m_ref.GetDev().version = text.toStdString();
-    emit OnModified(m_version_edit->isModified());
+    OnModified(m_version_edit->isModified());
 }
 
 void DevEditPanel::OnDescEdited()
 {
     m_ref.GetDev().desc = m_desc_edit->GetTextHtml().toStdString();
-    emit OnModified(m_desc_edit->IsModified());
+    OnModified(m_desc_edit->IsModified());
 }
 
 void DevEditPanel::CreateNewRow(int row)
@@ -206,7 +206,7 @@ void DevEditPanel::OnInstActivated(int row, int column)
     {
         m_ref.GetDev().addr.erase(m_ref.GetDev().addr.begin() + row);
         m_instances_table->removeRow(row);
-        emit OnModified(true);
+        OnModified(true);
     }
     else if(type == DevInstNewType)
     {
@@ -228,12 +228,12 @@ void DevEditPanel::OnInstChanged(int row, int column)
     if(column == DevInstNameColumn)
     {
         m_ref.GetDev().addr[row].name =  item->text().toStdString();
-        emit OnModified(true);
+        OnModified(true);
     }
     else if(column == DevInstAddrColumn)
     {
         m_ref.GetDev().addr[row].addr = item->data(Qt::DisplayRole).toUInt();
-        emit OnModified(true);
+        OnModified(true);
     }
 }
 
@@ -389,7 +389,7 @@ void RegEditPanel::UpdateWarning(int row)
 void RegEditPanel::OnFormulaStringChanged(const QString& text)
 {
     m_ref.GetReg().formula.string = text.toStdString();
-    emit OnModified(true);
+    OnModified(true);
 }
 
 void RegEditPanel::OnFormulaGenerate(bool checked)
@@ -445,7 +445,7 @@ void RegEditPanel::OnFormulaChanged(int index)
         return;
     m_ref.GetReg().formula.type = static_cast< soc_reg_formula_type_t >(m_formula_combo->itemData(index).toInt());
     UpdateFormula();
-    emit OnModified(true);
+    OnModified(true);
 }
 
 void RegEditPanel::UpdateFormula()
@@ -470,7 +470,7 @@ void RegEditPanel::OnSctEdited(int state)
         m_ref.GetReg().flags |= REG_HAS_SCT;
     else
         m_ref.GetReg().flags &= ~REG_HAS_SCT;
-    emit OnModified(true);
+    OnModified(true);
 }
 
 void RegEditPanel::FillRow(int row, const soc_reg_addr_t& addr)
@@ -509,13 +509,13 @@ void RegEditPanel::CreateNewAddrRow(int row)
 void RegEditPanel::OnNameEdited(const QString& text)
 {
     m_ref.GetReg().name = text.toStdString();
-    emit OnModified(m_name_edit->isModified());
+    OnModified(m_name_edit->isModified());
 }
 
 void RegEditPanel::OnDescEdited()
 {
     m_ref.GetReg().desc = m_desc_edit->GetTextHtml().toStdString();
-    emit OnModified(m_desc_edit->IsModified());
+    OnModified(m_desc_edit->IsModified());
 }
 
 void RegEditPanel::OnInstActivated(int row, int column)
@@ -527,7 +527,7 @@ void RegEditPanel::OnInstActivated(int row, int column)
     {
         m_ref.GetReg().addr.erase(m_ref.GetReg().addr.begin() + row);
         m_instances_table->removeRow(row);
-        emit OnModified(true);
+        OnModified(true);
     }
     else if(type == RegInstNewType)
     {
@@ -549,12 +549,12 @@ void RegEditPanel::OnInstChanged(int row, int column)
     if(column == RegInstNameColumn)
     {
         m_ref.GetReg().addr[row].name = item->text().toStdString();
-        emit OnModified(true);
+        OnModified(true);
     }
     else if(column == RegInstAddrColumn)
     {
         m_ref.GetReg().addr[row].addr = item->data(Qt::DisplayRole).toUInt();
-        emit OnModified(true);
+        OnModified(true);
     }
 }
 
@@ -707,19 +707,19 @@ void FieldEditPanel::OnBitRangeEdited(const QString& input)
         UpdateWarning(row);
     // also updates delegates because they now have the wrong view of the field
     UpdateDelegates();
-    emit OnModified(true);
+    OnModified(true);
 }
 
 void FieldEditPanel::OnNameEdited(const QString& text)
 {
     m_ref.GetField().name = text.toStdString();
-    emit OnModified(m_name_edit->isModified());
+    OnModified(m_name_edit->isModified());
 }
 
 void FieldEditPanel::OnDescEdited()
 {
     m_ref.GetField().desc = m_desc_edit->GetTextHtml().toStdString();
-    emit OnModified(m_desc_edit->IsModified());
+    OnModified(m_desc_edit->IsModified());
 }
 
 void FieldEditPanel::OnValueActivated(int row, int column)
@@ -731,7 +731,7 @@ void FieldEditPanel::OnValueActivated(int row, int column)
     {
         m_ref.GetField().value.erase(m_ref.GetField().value.begin() + row);
         m_value_table->removeRow(row);
-        emit OnModified(true);
+        OnModified(true);
     }
     else if(type == FieldValueNewType)
     {
@@ -766,7 +766,7 @@ void FieldEditPanel::OnValueChanged(int row, int column)
     }
     else if(column == FieldValueDescColumn)
         m_ref.GetField().value[row].desc = item->text().toStdString();
-    emit OnModified(true);
+    OnModified(true);
 }
 
 namespace
@@ -952,6 +952,11 @@ RegEdit::RegEdit(Backend *backend, QWidget *parent)
         this, SLOT(OnSocItemActivated(QTreeWidgetItem*, int)));
 }
 
+QWidget *RegEdit::GetWidget()
+{
+    return this;
+}
+
 RegEdit::~RegEdit()
 {
 }
@@ -1052,6 +1057,12 @@ bool RegEdit::SaveSocFile(const QString& filename)
     return true;
 }
 
+void RegEdit::UpdateTabName()
+{
+    QFileInfo info(m_cur_socfile.GetFilename());
+    SetTabName(info.fileName());
+}
+
 void RegEdit::LoadSocFile(const QString& filename)
 {
     m_cur_socfile = SocFile(filename);
@@ -1064,6 +1075,7 @@ void RegEdit::LoadSocFile(const QString& filename)
     m_file_edit->setText(filename);
     SetModified(false, false);
     UpdateSocFile();
+    UpdateTabName();
 }
 
 void RegEdit::CreateNewFieldItem(QTreeWidgetItem *_parent)
@@ -1192,7 +1204,7 @@ void RegEdit::SetPanel(QWidget *panel)
 void RegEdit::SetModified(bool add, bool mod)
 {
     m_modified = add ? (m_modified || mod) : mod;
-    emit OnModified(mod);
+    OnModified(mod);
 }
 
 namespace
@@ -1360,7 +1372,7 @@ void RegEdit::AddDevice(QTreeWidgetItem *_item)
     item->parent()->insertChild(item->parent()->indexOfChild(item), dev_item);
     CreateNewRegisterItem(dev_item);
     m_soc_tree->setCurrentItem(dev_item);
-    emit OnModified(true);
+    OnModified(true);
 }
 
 void RegEdit::AddRegister(QTreeWidgetItem *_item)
@@ -1373,7 +1385,7 @@ void RegEdit::AddRegister(QTreeWidgetItem *_item)
     item->parent()->insertChild(item->parent()->indexOfChild(item), reg_item);
     CreateNewFieldItem(reg_item);
     m_soc_tree->setCurrentItem(reg_item);
-    emit OnModified(true);
+    OnModified(true);
 }
 
 void RegEdit::AddField(QTreeWidgetItem *_item)
@@ -1385,7 +1397,7 @@ void RegEdit::AddField(QTreeWidgetItem *_item)
     FixupEmptyItem(field_item);
     item->parent()->insertChild(item->parent()->indexOfChild(item), field_item);
     m_soc_tree->setCurrentItem(field_item);
-    emit OnModified(true);
+    OnModified(true);
 }
 
 bool RegEdit::Quit()
diff --git a/utils/regtools/qeditor/regedit.h b/utils/regtools/qeditor/regedit.h
index cec92d7c03..049da4ee16 100644
--- a/utils/regtools/qeditor/regedit.h
+++ b/utils/regtools/qeditor/regedit.h
@@ -226,9 +226,7 @@ public:
     RegEdit(Backend *backend, QWidget *parent = 0);
     ~RegEdit();
     virtual bool Quit();
-
-signals:
-    void OnModified(bool mod);
+    virtual QWidget *GetWidget();
 
 protected slots:
     void OnSocItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);
@@ -267,6 +265,7 @@ protected:
     void CreateNewDeviceItem(QTreeWidgetItem *parent);
     void CreateNewRegisterItem(QTreeWidgetItem *parent);
     void CreateNewFieldItem(QTreeWidgetItem *parent);
+    void UpdateTabName();
 
     QGroupBox *m_file_group;
     QToolButton *m_file_open;
diff --git a/utils/regtools/qeditor/regtab.cpp b/utils/regtools/qeditor/regtab.cpp
index 132308e8ff..f6a726746f 100644
--- a/utils/regtools/qeditor/regtab.cpp
+++ b/utils/regtools/qeditor/regtab.cpp
@@ -160,6 +160,11 @@ RegTab::RegTab(Backend *backend, QWidget *parent)
     SetDataSocName("");
 }
 
+QWidget *RegTab::GetWidget()
+{
+    return this;
+}
+
 RegTab::~RegTab()
 {
     /* backend will be deleted by backend selector */
@@ -192,6 +197,32 @@ void RegTab::OnDataSocActivated(const QString& str)
         m_soc_selector->setCurrentIndex(index);
 }
 
+void RegTab::UpdateTabName()
+{
+    /* do it the ugly way: try to cast to the different possible backends */
+    FileIoBackend *file = dynamic_cast< FileIoBackend* >(m_io_backend);
+#ifdef HAVE_HWSTUB
+    HWStubIoBackend *hwstub = dynamic_cast< HWStubIoBackend* >(m_io_backend);
+#endif
+    if(file)
+    {
+        QFileInfo info(file->GetFileName());
+        SetTabName(info.fileName());
+    }
+#ifdef HAVE_HWSTUB
+    else if(hwstub)
+    {
+        HWStubDevice *dev = hwstub->GetDevice();
+        SetTabName(QString("HWStub %1.%2").arg(dev->GetBusNumber())
+            .arg(dev->GetDevAddress()));
+    }
+#endif
+    else
+    {
+        SetTabName("Register Tab");
+    }
+}
+
 void RegTab::OnBackendSelect(IoBackend *backend)
 {
     m_io_backend = backend;
@@ -199,6 +230,7 @@ void RegTab::OnBackendSelect(IoBackend *backend)
     SetDataSocName(m_io_backend->GetSocName());
     OnDataSocActivated(m_io_backend->GetSocName());
     OnDataChanged();
+    UpdateTabName();
 }
 
 void RegTab::SetReadOnlyIndicator()
diff --git a/utils/regtools/qeditor/regtab.h b/utils/regtools/qeditor/regtab.h
index f48b72e683..1936ca1f4d 100644
--- a/utils/regtools/qeditor/regtab.h
+++ b/utils/regtools/qeditor/regtab.h
@@ -43,9 +43,7 @@ public:
     RegTab(Backend *backend, QWidget *parent = 0);
     ~RegTab();
     virtual bool Quit();
-
-signals:
-    void OnModified(bool modified);
+    virtual QWidget *GetWidget();
 
 protected:
     void FillDevSubTree(QTreeWidgetItem *item);
@@ -59,6 +57,7 @@ protected:
     void SetDataSocName(const QString& socname);
     void SetPanel(RegTabPanel *panel);
     void UpdateSocFilename();
+    void UpdateTabName();
 
     QComboBox *m_soc_selector;
     BackendSelector *m_backend_selector;