More improvements for high contrast themes

- Invert icon color depending on the darkness of the theme
- Ensure icons and colors are changed when theme or colors
  get changed during application run

Final patch for #3582

1 files changed, 4 insertions, 0 deletions

diff --git a/src/gui/settingsdialog.h b/src/gui/settingsdialog.h
index 46d0b55e2..dbd4ff23e 100644
--- a/src/gui/settingsdialog.h
+++ b/src/gui/settingsdialog.h
@@ -57,12 +57,16 @@ public slots:
 protected:
     void reject() Q_DECL_OVERRIDE;
     void accept() Q_DECL_OVERRIDE;
+    void changeEvent(QEvent *);
 
 private slots:
     void accountAdded(AccountState *);
     void accountRemoved(AccountState *);
 
 private:
+    void customizeStyle();
+    QIcon createColorAwareIcon(const QString &name);
+    QAction *createColorAwareAction(const QString &iconName, const QString &fileName);
     Ui::SettingsDialog * const _ui;
 
     QActionGroup* _actionGroup;