* CHintBoxExt: Fix view of multiple pages

- Reduces flicker effect on screen

src/gui/widget/hintboxext.cpp

@@ -108,6 +108,7 @@ void CHintBoxExt::init(const neutrino_locale_t Caption, const int Width, const c
 	int maxLineWidth = 0;
 	int scrollWidth = 0;
 	textStartX = 0;
+	bgPainted = false;
 
 	m_caption = Caption;
 
@@ -147,6 +148,11 @@ void CHintBoxExt::init(const neutrino_locale_t Caption, const int Width, const c
 				m_maxEntriesPerPage = m_startEntryOfPage[page] - m_startEntryOfPage[page-1];
 			}
 		}
+		else {
+			if (m_height > maxOverallHeight)
+				maxOverallHeight = m_height;
+			m_maxEntriesPerPage = maxOverallHeight / m_fheight;
+		}
 		line++;
 	}
 
@@ -209,6 +215,7 @@ void CHintBoxExt::paint(bool toround)
 		return;
 	}
 
+	bgPainted = false;
         CFrameBuffer* frameBuffer = CFrameBuffer::getInstance();
         m_window = new CFBWindow(frameBuffer->getScreenX() + ((frameBuffer->getScreenWidth() - m_width ) >> 1),
                                frameBuffer->getScreenY() + ((frameBuffer->getScreenHeight() - m_height) >> 2),
@@ -225,8 +232,11 @@ void CHintBoxExt::refresh(bool toround)
 		return;
 	}
 	
+	if (!bgPainted) {
 		// bottom, right shadow
 		m_window->paintBoxRel(SHADOW_OFFSET, SHADOW_OFFSET, m_width, m_height, COL_INFOBAR_SHADOW_PLUS_0, RADIUS_LARGE, toround ? CORNER_ALL : CORNER_BOTTOM | CORNER_TOP_RIGHT);
+		bgPainted = true;
+	}
 	
 	// title bar
 	m_window->paintBoxRel(0, 0, m_width, m_theight, (CFBWindow::color_t)COL_MENUHEAD_PLUS_0, RADIUS_LARGE, CORNER_TOP);//round

src/gui/widget/hintboxext.h

@@ -63,6 +63,7 @@ class CHintBoxExt
 	char *                   m_message;
 	ContentLines             m_lines;
 	std::string              m_iconfile;
+	bool			 bgPainted;
 	
 	void refresh(bool toround = 1);