No documentation as it is a property getter */

! Returns the number of currently existing layers in the plot \see layer, addLayer */

! \internal Returns the layerable at pixel position \a pos. If \a onlySelectable is set to true, only those layerables that are selectable will

getters:

! Returns the layout element at pixel position \a pos. If there is no element at that position, returns 0. Only visible elements are used. If

read-only interface imitating a QRect:

getters:

! Clears the current color stops and loads the specified \a preset. A preset consists of predefined color stops and the corresponding color interp

No documentation as it is a property getter */

! \internal called by \ref addFillBasePoints to conveniently assign the point which closes the fill polygon on the lower side of the zero-value

! \internal Returns the brush that should be used for drawing fills of the plottable. Returns mBrush when the graph is not selected and mSelected

! \internal Returns the color that should be used for drawing text. Returns mColor when the item is not selected and mSelectedColor when it is. *

! \internal Returns the main font to be used. This is mSelectedFont if \ref setSelected is set to <tt>true</tt>, else mFont is returned. */

! \internal Returns the pen that should be used for drawing lines of the plottable. Returns mPen when the graph is not selected and mSelectedPen

! \internal Returns the main color to be used. This is mSelectedTextColor if \ref setSelected is set to <tt>true</tt>, else mTextColor is retur

! Changes the pen width to 1 if it currently is 0. This function is called in the \ref setPen overrides when the \ref pmNonCosmetic mode is set. *

! Transforms a margin side to the logically corresponding axis type. (QCP::msLeft to QCPAxis::atLeft, QCP::msRight to QCPAxis::atRight, etc.) */

匹配距离当前鼠标最近的点

! \internal This function is part of the curve optimization algorithm of \ref getCurveData. This method returns whether a segment going from

! \internal Event handler for when a double click occurs. Emits the \ref mouseDoubleClick signal, then emits the specialized signals when certain

! \internal Event handler for when the cursor is moved. Emits the \ref mouseMove signal. If a layout element has mouse capture focus (a mouseP

鼠标移动事件

鼠标移动事件

鼠标移动事件

! \internal Event handler for when a mouse button is pressed. Emits the mousePress signal. Then determines the affected layout element and forw

鼠标点击事件

鼠标点击事件

鼠标点击事件

鼠标释放事件

鼠标释放事件

鼠标释放事件

! Moves this bars plottable above \a bars. In other words, the bars of this plottable will appear above the bars of \a bars. The move target \a ba

! Moves this bars plottable below \a bars. In other words, the bars of this plottable will appear below the bars of \a bars. The move target \a ba

! Moves the specified \a layer either above or below \a otherLayer. Whether it's placed above or below is controlled with \a insertMode. Retu

! If the scale type (\ref setScaleType) is \ref stLinear, \a diff is added to the lower and upper bounds of the range. The range is simply moved b

! \internal This method is a helper function for \ref selectTest. It is used to test for selection when the chart style is \ref csOhlc. It only

关闭当前窗口

向左移动

点击左侧按钮

向右移动

点击右侧按钮

点击树形项显示对应页 *********************/

undocumented operator */

! Returns the axis type that describes the opposite axis of an axis with the specified \a type. */

! \internal Event handler for when the QCustomPlot widget needs repainting. This does not cause a \ref replot, but draws the internal buffer on

绘制事件

绘制事件

绘制事件

getters:

! \internal propagates the parent plot initialization to all child elements, by calling \ref QCPLayerable::initializeParentPlot on them. */

! \internal Convenience function for transforming a x/y pixel pair on the QCustomPlot surface to plot coordinates, taking the orientations of t

! \internal Draws a single tick label with the provided \a painter, utilizing the internal label cache to significantly speed up drawing of lab

getters:

! Returns the plottable at the pixel position \a pos. Plottables that only consist of single lines (like graphs) have a tolerance band around them

! Returns a list of all the plottables that have this axis as key or value axis. If you are only interested in plottables of type QCPGraph, see

! \internal Calculates the (minimum) distance (in pixels) the graph's representation has from the given \a pixelPoint in pixels. This is used t

! Returns the QCPItemPosition with the specified \a name. If this item doesn't have a position by that name, returns 0. This function provide

non-virtual methods: