diff options
Diffstat (limited to 'src/gui/widgets/scrollarea.cpp')
| -rw-r--r-- | src/gui/widgets/scrollarea.cpp | 355 |
1 files changed, 337 insertions, 18 deletions
diff --git a/src/gui/widgets/scrollarea.cpp b/src/gui/widgets/scrollarea.cpp index ce67794a2..cfc9a8938 100644 --- a/src/gui/widgets/scrollarea.cpp +++ b/src/gui/widgets/scrollarea.cpp @@ -32,6 +32,7 @@ int ScrollArea::instances = 0; float ScrollArea::mAlpha = 1.0; +bool ScrollArea::mShowButtons = true; ImageRect ScrollArea::background; ImageRect ScrollArea::vMarker; ImageRect ScrollArea::vMarkerHi; @@ -166,6 +167,7 @@ void ScrollArea::init(std::string skinName) rect.grid[f]->incRef(); buttons[f][i] = rect.grid[f]; } + mShowButtons = (skin->getOption("showbuttons", 1) == 1); } else { @@ -257,16 +259,22 @@ void ScrollArea::draw(gcn::Graphics *graphics) mVertexes->clear(); if (mVBarVisible) { - calcButton(graphics, UP); - calcButton(graphics, DOWN); + if (mShowButtons) + { + calcButton(graphics, UP); + calcButton(graphics, DOWN); + } calcVBar(graphics); calcVMarker(graphics); } if (mHBarVisible) { - calcButton(graphics, LEFT); - calcButton(graphics, RIGHT); + if (mShowButtons) + { + calcButton(graphics, LEFT); + calcButton(graphics, RIGHT); + } calcHBar(graphics); calcHMarker(graphics); } @@ -277,16 +285,22 @@ void ScrollArea::draw(gcn::Graphics *graphics) { if (mVBarVisible) { - drawButton(graphics, UP); - drawButton(graphics, DOWN); + if (mShowButtons) + { + drawButton(graphics, UP); + drawButton(graphics, DOWN); + } drawVBar(graphics); drawVMarker(graphics); } if (mHBarVisible) { - drawButton(graphics, LEFT); - drawButton(graphics, RIGHT); + if (mShowButtons) + { + drawButton(graphics, LEFT); + drawButton(graphics, RIGHT); + } drawHBar(graphics); drawHMarker(graphics); } @@ -331,9 +345,9 @@ void ScrollArea::drawFrame(gcn::Graphics *graphics) BLOCK_START("ScrollArea::drawFrame") if (mOpaque) { - const int bs = getFrameSize(); - const int w = getWidth() + bs * 2; - const int h = getHeight() + bs * 2; + const int bs = mFrameSize; + const int w = mDimension.width + bs * 2; + const int h = mDimension.height + bs * 2; updateCalcFlag(graphics); @@ -538,7 +552,7 @@ void ScrollArea::drawVMarker(gcn::Graphics *const graphics) { const gcn::Rectangle &dim = getVerticalMarkerDimension(); - if ((mHasMouse) && (mX > (getWidth() - mScrollbarWidth))) + if ((mHasMouse) && (mX > (mDimension.width - mScrollbarWidth))) { static_cast<Graphics*>(graphics)-> drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarkerHi); @@ -554,7 +568,7 @@ void ScrollArea::calcVMarker(gcn::Graphics *const graphics) { const gcn::Rectangle &dim = getVerticalMarkerDimension(); - if ((mHasMouse) && (mX > (getWidth() - mScrollbarWidth))) + if ((mHasMouse) && (mX > (mDimension.width - mScrollbarWidth))) { static_cast<Graphics*>(graphics)->calcWindow( mVertexes, dim.x, dim.y, dim.width, dim.height, vMarkerHi); @@ -570,7 +584,7 @@ void ScrollArea::drawHMarker(gcn::Graphics *const graphics) { const gcn::Rectangle dim = getHorizontalMarkerDimension(); - if ((mHasMouse) && (mY > (getHeight() - mScrollbarWidth))) + if ((mHasMouse) && (mY > (mDimension.height - mScrollbarWidth))) { static_cast<Graphics*>(graphics)-> drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarkerHi); @@ -586,7 +600,7 @@ void ScrollArea::calcHMarker(gcn::Graphics *const graphics) { const gcn::Rectangle dim = getHorizontalMarkerDimension(); - if ((mHasMouse) && (mY > (getHeight() - mScrollbarWidth))) + if ((mHasMouse) && (mY > (mDimension.height - mScrollbarWidth))) { static_cast<Graphics*>(graphics)->calcWindow( mVertexes, dim.x, dim.y, dim.width, dim.height, vMarkerHi); @@ -617,8 +631,9 @@ void ScrollArea::mouseExited(gcn::MouseEvent& event A_UNUSED) void ScrollArea::widgetResized(const gcn::Event &event A_UNUSED) { mRedraw = true; - const unsigned int frameSize = 2 * getFrameSize(); - getContent()->setSize(getWidth() - frameSize, getHeight() - frameSize); + const unsigned int frameSize = 2 * mFrameSize; + getContent()->setSize(mDimension.width - frameSize, + mDimension.height - frameSize); } void ScrollArea::widgetMoved(const gcn::Event& event A_UNUSED) @@ -628,7 +643,74 @@ void ScrollArea::widgetMoved(const gcn::Event& event A_UNUSED) void ScrollArea::mousePressed(gcn::MouseEvent& event) { - gcn::ScrollArea::mousePressed(event); + const int x = event.getX(); + const int y = event.getY(); + + if (getUpButtonDimension().isPointInRect(x, y)) + { + setVerticalScrollAmount(mVScroll + - mUpButtonScrollAmount); + mUpButtonPressed = true; + } + else if (getDownButtonDimension().isPointInRect(x, y)) + { + setVerticalScrollAmount(mVScroll + + mDownButtonScrollAmount); + mDownButtonPressed = true; + } + else if (getLeftButtonDimension().isPointInRect(x, y)) + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + - mLeftButtonScrollAmount); + mLeftButtonPressed = true; + } + else if (getRightButtonDimension().isPointInRect(x, y)) + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + + mRightButtonScrollAmount); + mRightButtonPressed = true; + } + else if (getVerticalMarkerDimension().isPointInRect(x, y)) + { + mIsHorizontalMarkerDragged = false; + mIsVerticalMarkerDragged = true; + + mVerticalMarkerDragOffset = y - getVerticalMarkerDimension().y; + } + else if (getVerticalBarDimension().isPointInRect(x, y)) + { + if (y < getVerticalMarkerDimension().y) + { + setVerticalScrollAmount(mVScroll + - static_cast<int>(getChildrenArea().height * 0.95)); + } + else + { + setVerticalScrollAmount(mVScroll + + static_cast<int>(getChildrenArea().height * 0.95)); + } + } + else if (getHorizontalMarkerDimension().isPointInRect(x, y)) + { + mIsHorizontalMarkerDragged = true; + mIsVerticalMarkerDragged = false; + + mHorizontalMarkerDragOffset = x - getHorizontalMarkerDimension().x; + } + else if (getHorizontalBarDimension().isPointInRect(x, y)) + { + if (x < getHorizontalMarkerDimension().x) + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + - static_cast<int>(getChildrenArea().width * 0.95)); + } + else + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + + static_cast<int>(getChildrenArea().width * 0.95)); + } + } + if (event.getButton() == gcn::MouseEvent::LEFT) { mClickX = event.getX(); @@ -690,3 +772,240 @@ void ScrollArea::mouseReleased(gcn::MouseEvent& event) } gcn::ScrollArea::mouseReleased(event); } + +void ScrollArea::mouseDragged(gcn::MouseEvent &event) +{ + if (mIsVerticalMarkerDragged) + { + const gcn::Rectangle barDim = getVerticalBarDimension(); + + const int pos = event.getY() - barDim.y + - mVerticalMarkerDragOffset; + const int length = getVerticalMarkerDimension().height; + + if ((barDim.height - length) > 0) + { + setVerticalScrollAmount((getVerticalMaxScroll() * pos) + / (barDim.height - length)); + } + else + { + setVerticalScrollAmount(0); + } + } + + if (mIsHorizontalMarkerDragged) + { + const gcn::Rectangle barDim = getHorizontalBarDimension(); + + const int pos = event.getX() - barDim.x + - mHorizontalMarkerDragOffset; + const int length = getHorizontalMarkerDimension().width; + + if ((barDim.width - length) > 0) + { + setHorizontalScrollAmount((getHorizontalMaxScroll() * pos) + / (barDim.width - length)); + } + else + { + setHorizontalScrollAmount(0); + } + } + + event.consume(); +} + +gcn::Rectangle ScrollArea::getVerticalBarDimension() const +{ + if (!mVBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + const int height = mVBarVisible ? mScrollbarWidth : 0; + if (mHBarVisible) + { + return gcn::Rectangle(mDimension.width - mScrollbarWidth, + height, + mScrollbarWidth, + mDimension.height - height - height - mScrollbarWidth); + } + + return gcn::Rectangle(mDimension.width - mScrollbarWidth, + height, + mScrollbarWidth, + mDimension.height - height - height); +} + +gcn::Rectangle ScrollArea::getHorizontalBarDimension() const +{ + if (!mHBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + const int width = mHBarVisible ? mScrollbarWidth : 0; + if (mVBarVisible) + { + return gcn::Rectangle(width, + mDimension.height - mScrollbarWidth, + mDimension.width - width - width - mScrollbarWidth, + mScrollbarWidth); + } + + return gcn::Rectangle(width, + mDimension.height - mScrollbarWidth, + mDimension.width - width - width, + mScrollbarWidth); +} + +gcn::Rectangle ScrollArea::getVerticalMarkerDimension() +{ + if (!mVBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + int length, pos; + int height; + const int h2 = mVBarVisible ? mScrollbarWidth : 0; + const gcn::Widget *content; + if (!mWidgets.empty()) + content = *mWidgets.begin(); + else + content = nullptr; + + if (mHBarVisible) + height = mDimension.height - 2 * h2 - mScrollbarWidth; + else + height = mDimension.height - 2 * h2; + + if (content && content->getHeight() != 0) + { + length = (height * getChildrenArea().height) + / content->getHeight(); + } + else + { + length = height; + } + + if (length < mScrollbarWidth) + length = mScrollbarWidth; + + if (length > height) + length = height; + + if (getVerticalMaxScroll() != 0) + { + pos = ((height - length) * mVScroll) + / getVerticalMaxScroll(); + } + else + { + pos = 0; + } + + return gcn::Rectangle(mDimension.width - mScrollbarWidth, h2 + pos, + mScrollbarWidth, length); +} + +gcn::Rectangle ScrollArea::getHorizontalMarkerDimension() +{ + if (!mHBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + int length, pos; + int width; + const int w2 = mHBarVisible ? mScrollbarWidth : 0; + const gcn::Widget *content; + if (!mWidgets.empty()) + content = *mWidgets.begin(); + else + content = nullptr; + + if (mVBarVisible) + width = mDimension.width - 2 * w2 - mScrollbarWidth; + else + width = mDimension.width - w2 - mScrollbarWidth; + + if (content && content->getWidth() != 0) + { + length = (width * getChildrenArea().width) + / content->getWidth(); + } + else + { + length = width; + } + + if (length < mScrollbarWidth) + length = mScrollbarWidth; + + if (length > width) + length = width; + + if (getHorizontalMaxScroll() != 0) + { + pos = ((width - length) * getHorizontalScrollAmount()) + / getHorizontalMaxScroll(); + } + else + { + pos = 0; + } + + return gcn::Rectangle(w2 + pos, mDimension.height - mScrollbarWidth, + length, mScrollbarWidth); +} + +gcn::Rectangle ScrollArea::getUpButtonDimension() const +{ + if (!mVBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + return gcn::Rectangle(mDimension.width - mScrollbarWidth, 0, + mScrollbarWidth, mScrollbarWidth); +} + +gcn::Rectangle ScrollArea::getDownButtonDimension() const +{ + if (!mVBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + if (mVBarVisible && mHBarVisible) + { + return gcn::Rectangle(mDimension.width - mScrollbarWidth, + mDimension.height - mScrollbarWidth*2, + mScrollbarWidth, + mScrollbarWidth); + } + + return gcn::Rectangle(mDimension.width - mScrollbarWidth, + mDimension.height - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth); +} + +gcn::Rectangle ScrollArea::getLeftButtonDimension() const +{ + if (!mHBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + return gcn::Rectangle(0, mDimension.height - mScrollbarWidth, + mScrollbarWidth, mScrollbarWidth); +} + +gcn::Rectangle ScrollArea::getRightButtonDimension() const +{ + if (!mHBarVisible) + return gcn::Rectangle(0, 0, 0, 0); + + if (mVBarVisible && mHBarVisible) + { + return gcn::Rectangle(mDimension.width - mScrollbarWidth*2, + mDimension.height - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth); + } + + return gcn::Rectangle(mDimension.width - mScrollbarWidth, + mDimension.height - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth); +} |