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Essentially you just call gtk_progress_bar_pulse each time there is some kind of activity, to make the block move by a little bit (amount changeable with set_pulse_step).
You could implement the thing on win32 with a suitable (cross-platform) API addition on top of wxGauge, and I can take care of the gtk2 part in due time.
Compilers: gcc-3.3.6, gcc-3.4.5, gcc-4.0.2, gcc-4.1.0 and MSVC6
OS's: Gentoo Linux, WinXP; WX: CVS HEAD
IMO the wxwidgets philosophy is that you use native, I have 2 functions, StartMarquee and StopMarquee. Using wxGA_MARQUEE makes a marguee gauge... I dont know if that's what you mean.
There are two ways of updating a progress bar in gtk+.
You either tell it to pulse, which will put the progress bar automatically into "marquee" mode if it wasn't. Or you call a function that tells how many percentages (0.0 to 1.0) the progress is done, which will make it be the usual progress bar that we know from wx, if it wasn't.
What I like about this, is the power to move the block when you need to - you are ought to do that when some kind of unmeasurable progress just had happened. With your approach, I believe you can simply tell it to start, and it will pounce back and forth at a constant speed, not giving any real feedback of activity speed, merely that something is going on, and the developer should have used a busy cursor or something instead.
Compilers: gcc-3.3.6, gcc-3.4.5, gcc-4.0.2, gcc-4.1.0 and MSVC6
OS's: Gentoo Linux, WinXP; WX: CVS HEAD
Yes. That's how it is in gtk+ API.
It would be possible to do that inside a timer (implementation detail) and have it continous automatically, but I haven't thought on which way is better (automatic or programmatic)
Compilers: gcc-3.3.6, gcc-3.4.5, gcc-4.0.2, gcc-4.1.0 and MSVC6
OS's: Gentoo Linux, WinXP; WX: CVS HEAD
in windows its a ::SendMessage(hwnd, something STEPIT) IIRC... and yea thats a dilemma. i wanted to implement a gauge that will "auto increment" every few seconds or so
