Re: Color Select

[Black <cpa ece cmu edu>]

Ah.... nevermind. I have found my bug. I had a guchar->gdouble conversion
that was happening in the wrong place during a divide and as a result I
was either getting 1 or 0 and nothing in between... It works just fine
now...

Thanks anyway.

-Christopher
cpa ece cmu edu




On Mon, 17 Sep 2001, Black wrote:

> On 17 Sep 2001, Havoc Pennington wrote:
>
> > Black <cpa ece cmu edu> writes: 
> > >   However, my first problem is with the behavior of the color
> > > selector. Why doesn't the wheel colors darken with the bar next to it? I
> > > fired up gimp, which uses this same color selector and noticed that that
> > > one had the same problem, so I assume there isn't a work around for
> > > this...
> >
> > That's just how it works, the colors in the wheel always stay at full
> > value so you can see them even if you are at a low value.
> >  
> > >   My second problem is not as obvious, however. When I open the
> > > selector, I disable the spinners. However, I still want to be able to
> > > "pick up" colors with the mouse. I tried to reset the open selector with
> > > the same gtk_color_selection_set_color(), but now it just turns black, no
> > > matter what color I've picked. Why would this work before I show it and
> > > not after? Is there something I'm missing? Any help would be greatly
> > > appreciated...
> >
> > I'm not sure what you're asking here. You call
> > gtk_widget_set_sensitive() on the spinners, and then you can't
> > drag-and-drop?
>
> I'll try again... The gtk_widget_set_sensitive() doesn't have anything to
> do with my problem really...
>
> Okay, the paint app has two main modes. In one, I can set the color by
> setting it on the spinners, or I can grab a color with the mouse from the
> drawing area (i.e. read the rgb values of the pixel and use them to set my
> brush color). 
>
> Alternativly, the user can open up a window with the color selector in it.
> This disables the spinners (since they aren't needed). However, If the
> user is drawing with the color select window open, I'd still like to be
> able to use the mouse to grab colors from the drawing area, and have the
> color select change to reflect that. The pixel read still sets the brush
> color, I jsut can't get the color select to update to reflect the change.
> I tried to use gtk_color_selection_set_color() with the new color (which
> is how I set the inital color that the color select shows when it opens),
> but gtk_color_selection_set_color() doesn't seem to work after the color
> select window is open. It does change, it just changes to black every
> time.
>
>
> -Christopher
> cpa ece cmu edu
>
>
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