| void OglGui::ScrollBar::SetRange | ( | int | totalRange, | |
| int | pageSize | |||
| ) | [inline] |
Definition at line 138 of file ScrollBar.h.
References cSbW, OglGui::OglWindow::GetOGLWND(), mButDecr, mButIncr, mButThumb, mHorizontal, OglGui::OglWindow::mOglWnd, mPixelPage, mPixelPos, mPixelRange, mScrollPage, mScrollRange, and OglGui::OglWindow::SetVisible().
Referenced by OglGui::StringSelector::AddString(), OglGui::TextArea::CheckTextFormat(), OglGui::OglDemo::ControlDrop(), OglGui::TextArea::CreateScrollBar(), OglGui::TextEditLineScroller::DisplayFunc(), OglGui::ScrollWnd::FollowContent(), OglGui::DocScroller::FollowContent(), OglGui::ScrollWnd::FollowScrollBar(), OglGui::DocScroller::FollowScrollBar(), Impala::Application::MediaTable::TableWindow::HandleColumnPositions(), OglGui::TextEdit::HandleScrollBarsOnDisplay(), Impala::Visualization::ImageStrip::ImageAdded(), Impala::Visualization::ImageStrip::ImagesRemoved(), Impala::Visualization::ImageStrip::Init(), OglGui::ValueScrollBar::Init(), OglGui::StringSelector::Init(), Impala::Application::VideoExcel::TableWindow::Init(), Impala::Application::MediaTable::TableWindow::Init(), Impala::Application::VideoExcel::GridWindow::Init(), Impala::Application::MediaTable::GridWindow::Init(), InitDisplayFunc(), OglGui::StringSelector::RemoveStrings(), Impala::Visualization::ImageStrip::ReshapeFunc(), OglGui::StringSelector::ReshapeFunc(), OglGui::ValueScrollBar::SetMinMaxValue(), SetPosition(), OglGui::ViewStrip::SetScrollBarRange(), Impala::Application::VideoExcel::TableWindow::UpdateRowsEvent(), Impala::Application::MediaTable::TableWindow::UpdateRowsEvent(), Impala::Application::VideoExcel::GridWindow::UpdateRowsEvent(), Impala::Application::MediaTable::GridWindow::UpdateRowsEvent(), and Impala::Visualization::ImageSet::UpdateScrollBarRange().
00139 { 00140 bool tooSmall = (mHorizontal && mOglWnd->width < 40) || 00141 (!mHorizontal && mOglWnd->height < 40); 00142 00143 mScrollRange = totalRange; 00144 mScrollPage = pageSize; 00145 // reposition thumb 00146 // RvB: Added test on mScrollRange != 0, to prevent zero division 00147 if(totalRange > pageSize && pageSize > 0 && !tooSmall && 00148 mScrollRange!=0) 00149 { 00150 mButThumb->SetVisible(true); 00151 mButIncr->SetVisible(true); 00152 mButDecr->SetVisible(true); 00153 if (mHorizontal) 00154 mPixelPage = ((mOglWnd->width - (2*cSbW)) * mScrollPage) / 00155 mScrollRange; 00156 else 00157 mPixelPage = ((mOglWnd->height - (2*cSbW)) * mScrollPage) / 00158 mScrollRange; 00159 // minimal thumb size 00160 if (mPixelPage < 12) 00161 mPixelPage = 12; 00162 00163 // if change of range pushes thumb over maximum then reposition 00164 if (mPixelPage + mPixelPos > mPixelRange) 00165 { 00166 mPixelPos = mPixelRange - mPixelPage; 00167 // RvB: When resizing, jumpy behavior of content being scrolled 00168 // occurred.After countless hours of trying different strategies 00169 // removing next line solved the problem. 00170 // Although I do allow an inconsistency here (BUT RESULT: MUCH 00171 // BETTER BEHAVIOUR) 00172 // This trick should probably be made settable 00173 00174 // OnScrollThumb(mPixelPos); 00175 } 00176 00177 if (mHorizontal) 00178 oglSys.SetDimensions(mButThumb->GetOGLWND(), mPixelPos + cSbW, 00179 0, mPixelPage, cSbW); 00180 else 00181 { 00182 int y = mOglWnd->height - cSbW - mPixelPos - mPixelPage; 00183 oglSys.SetDimensions(mButThumb->GetOGLWND(), 0, y, cSbW, 00184 mPixelPage); 00185 } 00186 } 00187 else 00188 { // Too small to show buttons 00189 mButThumb->SetVisible(false); 00190 mButIncr->SetVisible(false); 00191 mButDecr->SetVisible(false); 00192 } 00193 }
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