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added JPQTPlotter signal, when widget was resized

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jkriege2 2020-09-11 13:48:07 +02:00
parent d6e6b1d53b
commit d2b4e07c94
3 changed files with 15 additions and 1 deletions
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1
doc/dox/whatsnew.dox
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@ -30,6 +30,7 @@ Changes, compared to \ref page_whatsnew_V2019_11 "v2019.11" include:
<li>new: all geometric objects can either be drawn as graphic element (i.e. lines are straight line, even on non-linear axes), or as mathematical curve (i.e. on non-linear axes, lines become the appropriate curve representing the linear function, connecting the given start/end-points). The only exceptions are ellipses (and the derived arcs,pies,chords), which are always drawn as mathematical curves</li>
<li>new: a new graph class JKQTPXYFunctionLineGraph draws parametric 2D curves ( \f$ [x,y] = f(t) \f$ ), see \ref JKQTPlotterEvalCurves for an example</li>
<li>new: added several new copy/set-functions to JKQTPDatastore</li>
<li>new: added JPQTPlotter signal, when widget was resized</li>
</ul>
\subsection page_whatsnew_TRUNK_DOWNLOAD trunk: Download

5
lib/jkqtplotter/jkqtplotter.cpp
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@ -1217,7 +1217,10 @@ void JKQTPlotter::delayedResizeEvent()
sizeChanged=true;
}
if (sizeChanged) redrawPlot();
if (sizeChanged) {
emit widgetResized(width(), height(), this);
redrawPlot();
}
}
void JKQTPlotter::leaveEvent(QEvent * /*event*/) {

10
lib/jkqtplotter/jkqtplotter.h
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@ -1319,6 +1319,16 @@ class JKQTPLOTTER_LIB_EXPORT JKQTPlotter: public QWidget {
*/
void zoomChangedLocally(double newxmin, double newxmax, double newymin, double newymax, JKQTPlotter* sender);
/** \brief signal: emitted whenever the widget is resized
*
* \param new_width new width of the widget (in pixels)
* \param new_height new height of the widget (in pixels)
* \param sender JKQTPlotter sending this event
*
* This signal is designed to be connected to these slots: synchronizeXAxis(), synchronizeYAxis(), synchronizeXYAxis()
*/
void widgetResized(int new_width, int new_height, JKQTPlotter* sender);
/** \brief emitted when the mouse action JKQTPlotter::ScribbleEvents and a click event from the mouse occurs inside the plot,
* or the mouse moved while the left button is pressed down
*