Re: changing colour of widget

2013-09-26 Thread Vest V.
Hello Mahesh, It depends on which approach you want to use: draw LEDs manually, or display images. The first possible widget is GtkDrawingArea: https://developer.gnome.org/gtk3/3.2/GtkDrawingArea.html, the second is GtkImage: https://developer.gnome.org/gtk3/3.2/GtkImage.html Regarding the

Re: changing colour of widget

2013-10-03 Thread Vest V.
thread. If the information, such as changed date and size, changes, you can send a custom event. Kind regards, Vlad On Thu, Oct 3, 2013 at 12:13 PM, Mahesh Chaudhari mahesh.chaudh...@ymail.com wrote: Thanks Vest V for reply I can able to draw circles using GtkDrawingArea and cairo

Re: widget to represent dial/speedometer kind of object

2013-12-10 Thread Vest V.
Hello Mahesh, At the first glance, I would recommend you to review the old library: http://www.dmitry-kazakov.de/ada/aicwl.htm But the main difficulty is that the library has been written with Ada. Probably, you can try to adapt required gauges that you like to the Cairo backend in C or C++.