Hi Jozef, Such a widget already exists in GOffice (it provides the charting capability to gnumeric). It might miss some features you need but is easily extensible. https://git.gnome.org/browse/goffice/tree/goffice/gtk/go-graph-widget.c Best regards, Jean Le dimanche 10 janvier 2016 à 13:05 +0100, Jozef V.Molnár a écrit : > Dear subscribers, > > I need to develop a GTK3 widget for data plotting, drawing and > analysis > purposes. > I need the following features (many are standard requirements): > - have a grid sensitive to mouse (to invoke a configuring menu) > - add/remove plots > - plots sensitive to mouse (display the data coordinates) > - more than cursors (to perform measurements) > - cursors capable of find edges of data plots > - scrolling > > My idea was to use GtkLayout but I am open to any better advice. > > I have made a simple demo with GtkDrawingArea (I can send it per > request) where I can draw with Cairo but cannot receive events. If I > change the parent from GtkDrawingArea to GtkLayout, I can receive > events > but the draw function will not be called. > > I am new to GTK and need a suggestion on how to organize my objects: > - plotting area > - cursors > - grid > - plots > > all should be sensitive to mouse clicks to invoke configuration, move > up/down (plots), do measurements, display coordinates etc. > > I searched the internet a lot but did not find many examples. I tried > GoatPlot as base... > > I also would like to add this widget to a VBox and if I zoom in the X > axis, all widgets should zoom in the X axis (but not the Y axis). > > Finally I would like to be able to print/export the contents etc... > > I know this is time consuming (at least for me) but I would > appreciate > any help. > > Thank you in advance and best regards > Jozef Molnar > > > _______________________________________________ > gtk-list mailing list > gtk-list@xxxxxxxxx > https://mail.gnome.org/mailman/listinfo/gtk-list _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gtk-list
