1 files changed, 99 insertions, 0 deletions
diff --git a/SQLiteStudio3/guiSQLiteStudio/common/widgetstateindicator.h b/SQLiteStudio3/guiSQLiteStudio/common/widgetstateindicator.h
new file mode 100644
index 0000000..eee49d5
--- /dev/null
+++ b/SQLiteStudio3/guiSQLiteStudio/common/widgetstateindicator.h
@@ -0,0 +1,99 @@
+#ifndef WIDGETSTATEINDICATOR_H
+#define WIDGETSTATEINDICATOR_H
+
+#include "guiSQLiteStudio_global.h"
+#include <QObject>
+
+class QLabel;
+class QGraphicsDropShadowEffect;
+class QGraphicsColorizeEffect;
+class QSequentialAnimationGroup;
+
+class GUI_API_EXPORT WidgetStateIndicator : public QObject
+{
+        Q_OBJECT
+    public:
+        enum class Mode
+        {
+            INFO,
+            ERROR,
+            WARNING,
+            HINT
+        };
+
+        enum class PositionMode
+        {
+            DEFAULT,
+            GROUP_BOX,
+            LABEL,
+            CHECK_BOX,
+        };
+
+        ~WidgetStateIndicator();
+
+        void setMode(Mode mode);
+        void show(const QString& msg = QString(), bool animated = true);
+        void hide();
+        void setVisible(bool visible, const QString& msg = QString());
+        void release();
+        void info(const QString& msg, bool animated = true);
+        void warn(const QString& msg, bool animated = true);
+        void error(const QString& msg, bool animated = true);
+        void hint(const QString& msg, bool animated = true);
+
+        static bool exists(QWidget* widget);
+        static WidgetStateIndicator* getInstance(QWidget* widget);
+
+        PositionMode getPositionMode() const;
+        void setPositionMode(const PositionMode& value);
+
+    protected:
+        bool eventFilter(QObject *obj, QEvent *ev);
+
+    private:
+        explicit WidgetStateIndicator(QWidget *widget);
+
+        void initLabel();
+        void initEffects();
+        void initGlowEffects();
+        void initHighlightingEffects();
+        void initAnimations();
+        void initPositionMode();
+        void finalInit();
+        void setMessage(const QString& msg);
+        void clearMessage();
+        void detectWindowParent();
+        QWidget* findParentWindow(QWidget* w);
+        bool shouldHide();
+        bool shouldShow();
+
+        QWidget* labelParent = nullptr;
+        QLabel* label = nullptr;
+        Mode mode = Mode::ERROR;
+        QWidget* widget = nullptr;
+        QString message;
+        QGraphicsColorizeEffect* highlightingEffect = nullptr;
+        QGraphicsDropShadowEffect* glowEffect = nullptr;
+        QSequentialAnimationGroup* animation = nullptr;
+        bool widgetVisible = false;
+        bool visibilityRequested = false;
+        QWidget* windowParent = nullptr;
+        PositionMode positionMode = PositionMode::DEFAULT;
+
+        static QHash<QWidget*,WidgetStateIndicator*> instances;
+
+    private slots:
+        void updateMode();
+        void updatePosition();
+        void updatePositionDefault();
+        void updatePositionGroupBox();
+        void updatePositionLabel();
+        void updatePositionCheckBox();
+        void updateVisibility();
+
+};
+
+#define INDICATOR(w) WidgetStateIndicator::getInstance(w)
+#define EXISTS_INDICATOR(w) WidgetStateIndicator::exists(w)
+
+#endif // WIDGETSTATEINDICATOR_H