Hi there,
I was trying to use QwtDial to display things under Qt for Embedded Linux. Then I found it's painfully slow to move the needle, therefore, to change a value of a dial. After searching Google I found it's not a good choice to embed QWidget-based things into QGraphicsView via QGraphicsProxyWidgetItem. Then I abandoned the Graphics View framework and straightly place a QwtDial in a single QMainWindow, but it didn't improve at all.
Can you tell me a if there's someway to make the needle move more pliably and even in the QGraphicsView? Thanks.
My development board is mini2440 which is based on sumsang s3c2440 arm920t cpu.
Kernel version 2.6.31
Cross gcc compiler version 4.1.2 with EABI support
Kernel and userspace software are all compiled with EABI.
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