~ Fixed dependency mistake.

(Relates to f4a32c4)

Author: 4lex4

ImageViewBase.cpp

@@ -21,20 +21,19 @@
 #include "PixmapRenderer.h"
 #include "BackgroundExecutor.h"
 #include "Dpm.h"
-#include "Dpi.h"
 #include "ScopedIncDec.h"
 #include "imageproc/PolygonUtils.h"
 #include "imageproc/Transform.h"
 #include "OpenGLSupport.h"
 #include "ColorSchemeManager.h"
 #include "UnitsProvider.h"
-#include "StatusBarPanel.h"
+#include "Utils.h"
+#include <QApplication>
 #include <QScrollBar>
 #include <QSettings>
 #include <QPointer>
 #include <QPaintEngine>
 #include <QMouseEvent>
-#include <QApplication>
 #include <QGLWidget>
 #include <QtWidgets/QMainWindow>
 #include <QtWidgets/QStatusBar>
@@ -595,8 +594,8 @@ void ImageViewBase::showEvent(QShowEvent* event) {
     QWidget::showEvent(event);
 
     if (auto* mainWindow = dynamic_cast<QMainWindow*>(window())) {
-        if (auto* statusBarPanel = mainWindow->statusBar()->findChild<StatusBarPanel*>()) {
-            statusBarPanel->setInfoProvider(&infoProvider());
+        if (auto* infoObserver = Utils::castOrFindChild<ImageViewInfoObserver*>(mainWindow->statusBar())) {
+            infoObserver->setInfoProvider(&infoProvider());
         }
     }
 }

ImageViewInfoObserver.h

@@ -6,6 +6,7 @@
 #include <QtCore/QPointF>
 #include <QtCore/QSizeF>
 
+class ImageViewInfoProvider;
 class Dpi;
 
 class ImageViewInfoObserver {
@@ -19,6 +20,9 @@ class ImageViewInfoObserver {
     virtual void updateDpi(const Dpi& dpi) = 0;
 
     virtual void clearImageViewInfo() = 0;
+
+    virtual void setInfoProvider(ImageViewInfoProvider* infoProvider) {
+    }
 };
 
 

StatusBarPanel.h

@@ -42,7 +42,7 @@ Q_OBJECT
 
     void updateUnits(Units) override;
 
-    void setInfoProvider(ImageViewInfoProvider* infoProvider);
+    void setInfoProvider(ImageViewInfoProvider* infoProvider) override;
 
 private:
     void mousePosChanged();

Utils.h

@@ -104,11 +104,21 @@ Utils::mapSetValue(std::unordered_map<K, V, Hash, Pred, Alloc>& map, const K& ke
 
 template<typename T>
 T Utils::castOrFindChild(QObject* object) {
+    if (object == nullptr) {
+        return nullptr;
+    }
+    
     if (auto result = dynamic_cast<T>(object)) {
         return result;
     } else {
-        return object->findChild<T>();
+        for (QObject* child : object->children()) {
+            if (result = castOrFindChild<T>(child)) {
+                return result;
+            }
+        }
     }
+
+    return nullptr;
 }
 
 #endif  // ifndef UTILS_H_