void StGLScrollArea::stglResize() { StGLWidget* aContent = myChildren.getStart(); StGLContext& aCtx = getContext(); if(!isScrollable() && aContent != NULL && aContent->getRectPx().top() < 0 && aContent->getCorner().v == ST_VCORNER_TOP) { const int aDelta = -aContent->getRectPx().top(); aContent->changeRectPx().top() += aDelta; aContent->changeRectPx().bottom() += aDelta; } if(isScrollable() && aContent != NULL) { const int aSizeY = stMax(getRectPx().height(), 1); const int aContSizeY = aContent->getRectPx().height(); const double aScaleY = double(aSizeY) / double(aContSizeY); const int aScrollSizeY = stMax(int(aScaleY * (double )aSizeY), myRoot->scale(4)); const double aPosY = double(-aContent->getRectPx().top()) / double(aContSizeY - aSizeY); StArray<StGLVec2> aVertices(4); StRectI_t aRectPx = getRectPxAbsolute(); aRectPx.left() = aRectPx.right() - myRoot->scale(2); aRectPx.top() += int(aPosY * double(aSizeY - aScrollSizeY)); aRectPx.bottom() = aRectPx.top() + aScrollSizeY; myRoot->getRectGl(aRectPx, aVertices); myBarVertBuf.init(aCtx, aVertices); } else { myBarVertBuf.release(aCtx); } StGLWidget::stglResize(); }
bool StGLSwitchTextured::stglInit() { bool isOK = StGLWidget::stglInit(); StGLWidget* aChild = getChildren()->getStart(); if(aChild != NULL) { // just upsacle to fit children changeRectPx().right() = getRectPx().left() + aChild->getRectPx().width(); changeRectPx().bottom() = getRectPx().top() + aChild->getRectPx().height(); } return isOK; }
bool StGLScrollArea::doScroll(const int theDelta, const bool theIsFling) { if(!theIsFling) { myDragYDelta = 0.0; myFlingTimer.stop(); } if(!isScrollable()) { return false; } StGLWidget* aContent = myChildren.getStart(); const int aMinLim = 0; const int aMaxLim = getRectPx().height() - aContent->getRectPx().height(); const int aTopOld = aContent->getRectPx().top(); const int aTopNew = stMax(stMin(aMinLim, aTopOld + theDelta), aMaxLim); const int aDelta = aTopNew - aTopOld; if(aDelta == 0) { if(theIsFling) { myFlingTimer.stop(); } return false; } aContent->changeRectPx().top() += aDelta; aContent->changeRectPx().bottom() += aDelta; if(myIsLeftClick) { if(!theIsFling) { myDragYCumul += aDelta; if(std::abs(myDragYCumul) > myRoot->getClickThreshold() && !myHasDragged) { setClickedWithChildren(myChildren, ST_MOUSE_LEFT, false); myHasDragged = true; } } else { myDragYCumul = 0; } } myIsResized = true; return true; }
bool StGLMenu::stglInit() { myWidth = 0; myIsInitialized = StGLWidget::stglInit(); if(!myIsInitialized) { return false; } int aMarginLeft = 0; for(StGLWidget* aChild = getChildren()->getStart(); aChild != NULL; aChild = aChild->getNext()) { StGLMenuItem* anItem = (StGLMenuItem* )aChild; aMarginLeft = stMax(aMarginLeft, anItem->getMargins().left); int anItemW = anItem->getMargins().left + anItem->computeTextWidth() + anItem->getMargins().right; if(myOrient == MENU_HORIZONTAL) { anItem->changeRectPx().moveLeftTo(myWidth); anItem->changeRectPx().right() = anItem->getRectPx().left() + anItemW; anItem->setTextWidth(anItemW - anItem->getMargins().left); myWidth += anItemW; } else { myWidth = stMax(myWidth, anItemW); } if(anItem->getSubMenu() != NULL) { if(myOrient == MENU_HORIZONTAL) { anItem->getSubMenu()->changeRectPx().moveTopLeftTo(anItem->getRectPxAbsolute().left(), anItem->getRectPxAbsolute().bottom()); } else if(myOrient == MENU_VERTICAL || myOrient == MENU_VERTICAL_COMPACT) { anItem->getSubMenu()->changeRectPx().moveTopLeftTo(anItem->getRectPxAbsolute().right() - myRoot->scale(10), anItem->getRectPxAbsolute().top()); } } } StGLWidget* aChildLast = getChildren()->getLast(); if(aChildLast != NULL) { changeRectPx().right() = getRectPx().left() + aChildLast->getRectPx().right(); changeRectPx().bottom() = getRectPx().top() + aChildLast->getRectPx().bottom(); } int aWidth = stMax(myWidthMin, myWidth); if(myOrient == MENU_VERTICAL || myOrient == MENU_VERTICAL_COMPACT) { changeRectPx().right() = getRectPx().left() + aWidth; int anItemCount = 0; for(StGLWidget* aChild = getChildren()->getStart(); aChild != NULL; aChild = aChild->getNext(), ++anItemCount) { StGLMenuItem* anItem = (StGLMenuItem* )aChild; anItem->changeRectPx().moveTopTo(anItemCount * myItemHeight); anItem->changeRectPx().right() = anItem->getRectPx().left() + aWidth; anItem->setTextWidth(aWidth); if(anItem->getSubMenu() != NULL) { anItem->getSubMenu()->changeRectPx().moveTopLeftTo(getRectPxAbsolute().right() - myRoot->scale(10), anItem->getRectPxAbsolute().top()); } } changeRectPx().bottom() = getRectPx().top() + anItemCount * myItemHeight; } // already initialized? if(myVertexBuf.isValid()) { // synchronize menu items visibility setOpacity(myOpacity, true); return true; } stglResize(); return myIsInitialized; }