help
- From: "Corrion, Bradley W" <bradley w corrion intel com>
- To: gtk-app-devel-list gnome org
- Subject: help
- Date: Mon, 23 Apr 2001 09:10:27 -0700
-----Original Message-----
From: gtk-app-devel-list-request gnome org
[mailto:gtk-app-devel-list-request gnome org]
Sent: Monday, April 23, 2001 6:05 PM
To: gtk-app-devel-list gnome org
Subject: gtk-app-devel-list digest, Vol 1 #429 - 2 msgs
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Today's Topics:
1. Re: ctree and clist widget with row with multiple line. (Havoc
Pennington)
2. Re: GdkGC question (JParker coinstar com)
--__--__--
Message: 1
To: Philippe Roy <ph_roy toutdoux org>
Cc: gnome-devel-list gnome org,
Jin Chen <gtk-app-devel-list gnome org>
Subject: Re: ctree and clist widget with row with multiple line.
<20010404021459 G23719 localhost evc net>
From: Havoc Pennington <hp redhat com>
Date: 23 Apr 2001 11:27:47 -0400
Philippe Roy <ph_roy toutdoux org> writes:
I saw the clist animation at RedHat Labs's web site of the futur gtk
version, nice.
But, Is row with multiple lines is planned ?
You can write custom cell renderers in any case to make it work. I'm
not sure what you mean by multiple lines, the below URL doesn't quite
work.
See :
http://www.sapdesignguild.org/index.asp?b=/construction/implementation/MiniS
G/Index.htm&t=/construction/implementation/implementation_topnav.asp
For my dev (toutdoux), this point is very important.
I would strongly suggest that you try using the GtkTreeView in a test
program now, and see if it meets your needs and mail gtk-devel-list
with observations ASAP. If you wait a month or two, it will be too
late to get any changes into GTK 2.
Havoc
--__--__--
Message: 2
To: Tom Aziz <tomazi caramail com>
Cc: gtk-app-devel-list gnome org, gtk-app-devel-list-admin gnome org
Subject: Re: GdkGC question
From: JParker coinstar com
Date: Mon, 23 Apr 2001 08:41:22 -0700
This is a multipart message in MIME format.
--=_alternative 00567AB888256A37_=
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
G'Day !
Harlow has some really exellent examples of how to do this in his book.=20
You can download example code from the attached web site. Look for the=20
example system monitor.
http://www.newriders.com/books/title.cfm?isbn=3D0735700214
cheers,
Jim Parker
Sailboat racing is not a matter of life and death .... It is far more=20
important than that !!!
Tom Aziz <tomazi caramail com>
Sent by: gtk-app-devel-list-admin gnome org
04/21/01 10:18 AM
=20
To: gtk-app-devel-list gnome org
cc:=20
Subject: GdkGC question
I don't succed to draw lines of different colors (and=20
style).
I need some help but it seems that nobody uses GDK drawing=20
features, and that there is no tutorial about this. It's=20
very sad because I want to use GDK for this, but if I can't=20
I will have to use another lib or another programming=20
langage with more documentation.
Maybe the problem is that I didn't really understand what a=20
GC is, and how it must be used.=20
Here is what I do :
--- global variables ---
static GdkGC *lines1=5FGC =3D NULL;
static GdkColor *color1 =3D NULL;
static GdkGC *lines2=5FGC =3D NULL;
static GdkColor *color2 =3D NULL;
-----------------------
--- main() ---
gtk=5Fsignal=5Fconnect(GTK=5FOBJECT(MainDrawingArea),=20
"configure=5Fevent",
GTK=5FSIGNAL=5FFUNC(drawing=5Finit), NULL);
--------------
--- drawing=5Finit ---
void
drawing=5Finit(GtkWidget *widget, gpointer data)
{
lines1=5FGC =3D gdk=5Fgc=5Fnew(widget->window);
lines2=5FGC =3D gdk=5Fgc=5Fnew(widget->window);
color1 =3D g=5Fnew(GdkColor, 1);
color1->red =3D (gushort)(65535 * 1.00);
color1->green =3D (gushort)(65535 * 0.50);
color1->blue =3D (gushort)(65535 * 0.50);
gdk=5Fgc=5Fset=5Fforeground(lines1=5FGC, color1);
/* same with color2 and lines2 */
}
--------------------
when an event (click) occurs, I use this function to draw=20
the line :
--- gdk=5Fdraw=5Fline ---
gdk=5Fdraw=5Fline(pixmap, lines1=5FGC,
x1, y1,
x2, y2);
/* or lines2 */
---------------------
The problem is : no matter what color I choose in=20
drawing=5Finit, I get only the black
color. All of the code is in the same file.
How to draw lines of different colors ?=20
How to draw lines of different styles ?
Thanks for any help
Tomazi
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F
Bo=EEte aux lettres - Caramail - http://www.caramail.com
--=_alternative 00567AB888256A37_=
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<br><font size=3D2 face=3D"sans-serif">G'Day !</font>
<br>
<br><font size=3D2 face=3D"sans-serif">Harlow has some really exellent exam=
ples of how to do this in his book. You can download example code fro=
m the attached web site. Look for the example system monitor.</font>
<br>
<br><font size=3D2 face=3D"sans-serif">http://www.newriders.com/books/title=
.cfm?isbn=3D0735700214<br>
<br>
cheers,<br>
Jim Parker<br>
<br>
Sailboat racing is not a matter of life and death .... It is far more=
important than that !!!</font>
<br>
<br>
<br>
<table width=3D100%>
<tr valign=3Dtop>
<td>
<td><font size=3D1 face=3D"sans-serif"><b>Tom Aziz <tomazi caramail com&=
gt;</b></font>
<br><font size=3D1 face=3D"sans-serif">Sent by: gtk-app-devel-list-admin gn=
ome.org</font>
<p><font size=3D1 face=3D"sans-serif">04/21/01 10:18 AM</font>
<br>
<td><font size=3D1 face=3D"Arial"> </font>
<br><font size=3D1 face=3D"sans-serif"> To: &nbs=
p; gtk-app-devel-list gnome org</font>
<br><font size=3D1 face=3D"sans-serif"> cc: &nbs=
p; </font>
<br><font size=3D1 face=3D"sans-serif"> Subject:=
GdkGC question</font></table>
<br>
<br><font size=3D2 face=3D"Courier New">I don't succed to draw lines of dif=
ferent colors (and <br>
style).<br>
I need some help but it seems that nobody uses GDK drawing <br>
features, and that there is no tutorial about this. It's <br>
very sad because I want to use GDK for this, but if I can't <br>
I will have to use another lib or another programming <br>
langage with more documentation.<br>
<br>
Maybe the problem is that I didn't really understand what a <br>
GC is, and how it must be used. <br>
<br>
Here is what I do :<br>
<br>
--- global variables ---<br>
static GdkGC *lines1=5FGC =3D NULL;<br>
static GdkColor *color1 =3D NULL;<br>
<br>
static GdkGC *lines2=5FGC =3D NULL;<br>
static GdkColor *color2 =3D NULL;<br>
-----------------------<br>
<br>
--- main() ---<br>
gtk=5Fsignal=5Fconnect(GTK=5FOBJECT(MainDrawingArea), <br>
"configure=5Fevent",<br>
GTK=5FSIGNAL=5FFUNC(drawing=5Finit), NULL);<br>
--------------<br>
<br>
--- drawing=5Finit ---<br>
void<br>
drawing=5Finit(GtkWidget *widget, gpointer data)<br>
{<br>
lines1=5FGC =3D gdk=5Fgc=5Fnew(widget->window);<br>
lines2=5FGC =3D gdk=5Fgc=5Fnew(widget->window);<br>
<br>
color1 =3D g=5Fnew(GdkColor, 1);<br>
color1->red =3D (gushort)(65535 * 1.00);<br>
color1->green =3D (gushort)(65535 * 0.50);<br>
color1->blue =3D (gushort)(65535 * 0.50);<br>
<br>
gdk=5Fgc=5Fset=5Fforeground(lines1=5FGC, color1);<br>
/* same with color2 and lines2 */<br>
}<br>
--------------------<br>
<br>
<br>
when an event (click) occurs, I use this function to draw <br>
the line :<br>
--- gdk=5Fdraw=5Fline ---<br>
gdk=5Fdraw=5Fline(pixmap, lines1=5FGC,<br>
x1, y1,<br>
x2, y2);<br>
/* or lines2 */<br>
---------------------<br>
<br>
The problem is : no matter what color I choose in <br>
drawing=5Finit, I get only the black<br>
color. All of the code is in the same file.<br>
<br>
How to draw lines of different colors ? <br>
How to draw lines of different styles ?<br>
<br>
Thanks for any help<br>
Tomazi<br>
<br>
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F<br>
Bo=EEte aux lettres - Caramail - http://www.caramail.com<br>
<br>
</font>
<br>
<br>
--=_alternative 00567AB888256A37_=--
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