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Added methods Viewport::canScrollVertically() and Viewport::canScrollHorizontally()

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This commit is contained in:
jules 2017-04-21 12:01:44 +01:00
parent 926652be8a
commit 320c8002da
2 changed files with 38 additions and 42 deletions
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26
modules/juce_gui_basics/layout/juce_Viewport.h
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@ -211,15 +211,12 @@ public:
bool isHorizontalScrollBarShown() const noexcept { return showHScrollbar; }
/** Changes the width of the scrollbars.
If this isn't specified, the default width from the LookAndFeel class will be used.
@see LookAndFeel::getDefaultScrollbarWidth
*/
void setScrollBarThickness (int thickness);
/** Returns the thickness of the scrollbars.
@see setScrollBarThickness
*/
int getScrollBarThickness() const;
@ -239,6 +236,15 @@ public:
*/
ScrollBar* getHorizontalScrollBar() noexcept { return &horizontalScrollBar; }
/** True if there's any off-screen content that could be scrolled vertically,
or false if everything is currently visible.
*/
bool canScrollVertically() const noexcept;
/** True if there's any off-screen content that could be scrolled horizontally,
or false if everything is currently visible.
*/
bool canScrollHorizontally() const noexcept;
/** Enables or disables drag-to-scroll functionality in the viewport. */
void setScrollOnDragEnabled (bool shouldScrollOnDrag);
@ -271,15 +277,15 @@ public:
private:
//==============================================================================
ScrollBar verticalScrollBar { true }, horizontalScrollBar { false };
Component contentHolder;
WeakReference<Component> contentComp;
Rectangle<int> lastVisibleArea;
int scrollBarThickness;
int singleStepX, singleStepY;
bool showHScrollbar, showVScrollbar, deleteContent;
bool customScrollBarThickness;
bool allowScrollingWithoutScrollbarV, allowScrollingWithoutScrollbarH;
Component contentHolder;
ScrollBar verticalScrollBar, horizontalScrollBar;
int scrollBarThickness = 0;
int singleStepX = 16, singleStepY = 16;
bool showHScrollbar = true, showVScrollbar = true, deleteContent = true;
bool customScrollBarThickness = false;
bool allowScrollingWithoutScrollbarV = false, allowScrollingWithoutScrollbarH = false;
struct DragToScrollListener;
friend struct DragToScrollListener;