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From: Andrew C. <an...@op...> - 2010-12-21 16:43:32
|
On Sun, 2010-12-19 at 23:13 -0500, Brandon Thomas wrote: > So I have an image from a Pixbuf in a fixed container Hm. Fixed. Maybe you could describe what you're working on or what you're trying to achieve? In general, to do the sort of manipulations you're hinting at you need a canvas (ie, GooCanvas, which we haven't got a binding for as yet). But for certain simplifications you can get away with some creative Cairo work yourself. In the end there's not much you can't do on a DrawingArea. AfC Sydney |
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From: Brandon T. <csu...@at...> - 2010-12-20 04:13:50
|
So I have an image from a Pixbuf in a fixed container and I was wondering if there was any type of online resources or anyone could provide some insight on how I might be able to allow the user to drag the image to another location within the fixed area. The fixed area is set in a scrollable viewport. Thanks, bt |
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From: Andrew C. <an...@op...> - 2010-12-13 09:36:45
|
I've filed https://bugzilla.gnome.org/show_bug.cgi?id=637132 about a strange but persistent crash I'm experiencing: org.gnome.glib.FatalError: Gdk-CRITICAL IA__gdk_window_hide: assertion `GDK_IS_WINDOW (window)' failed at org.gnome.gtk.GtkMain.gtk_main(Native Method) at org.gnome.gtk.GtkMain.main(GtkMain.java:82) at org.gnome.gtk.Gtk.main(Gtk.java:119) Nasty. I've been having this problem for a while. I thought it was a side effect of the bug that Vreixo and I fixed in A Coruña, but it's still happening. If anyone else sees this in their own code please let me know. AfC Sydney |
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From: Andrew C. <an...@op...> - 2010-12-11 03:51:34
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On Fri, 2010-12-10 at 20:00 +0200, Serkan Kaba wrote: > I have also built PixBufs from web images in my Last.FM and Java-GNOME > tutorial. See [link] So you used URL's openConnection() to get a HttpURLConnection and used its getInputStream() to get the content? Neat. Not sure I knew about that one [or if I did, I hadn't used it since 1999 :)] AfC Sydney |
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From: Serkan K. <se...@ge...> - 2010-12-11 03:27:32
|
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 10-12-2010 17:45, Brandon Thomas wrote: > Hey everyone, > > I'm new here and am starting to really work with java and gtk. > > Anyways I'm trying to get my application to quasi do the following > > retrieve an image from the web > pack it into the container > > I'm having a hell of a hard time though. The one thing I haven't done > is for the filename, just used the URL of the image. Will that work? > > Any reference or resources to this would be greatly appreciated! > > Thanks, > > BT > > > > ------------------------------------------------------------------------------ > > > > _______________________________________________ > java-gnome-developer mailing list > jav...@li... > https://lists.sourceforge.net/lists/listinfo/java-gnome-developer I have also built PixBufs from web images in my Last.FM and Java-GNOME tutorial. See http://skaba.wordpress.com/2009/07/26/writing-a-last-fm-rest-client-with-jersey-and-java-gnome/ - -- Sincerely, Serkan KABA -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk0CarQACgkQRh6X64ivZaK8QQCfWVZCUCcJqtFxn3/8eALqtsdB eccAn1lzEweQr9sgIWOb2j+DhcXcakPx =VMWN -----END PGP SIGNATURE----- |
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From: William T. <wil...@gm...> - 2010-12-10 16:46:41
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On 10 December 2010 15:45, Brandon Thomas <csu...@at...> wrote: > Hey everyone, > > I'm new here and am starting to really work with java and gtk. > > Anyways I'm trying to get my application to quasi do the following > > retrieve an image from the web > pack it into the container > > I'm having a hell of a hard time though. The one thing I haven't done is > for the filename, just used the URL of the image. Will that work? > > Any reference or resources to this would be greatly appreciated! > Hi Brandon Assuming you're using PixBuf, this works: import java.net.URL; import javax.imageio.ImageIO; import org.gnome.gdk.Pixbuf; URL u = new URL(myUrl); BufferedImage i = ImageIO.read(u); ByteArrayOutputStream bos = new ByteArrayOutputStream(); ImageIO.write(i, "PNG", bos); Pixbuf pb = new Pixbuf(bos.toByteArray()); I use it as a simple way to pull images from Web Mapping Services into PDF maps. Best Will Temperley |
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From: Brandon T. <csu...@at...> - 2010-12-10 15:45:27
|
Hey everyone, I'm new here and am starting to really work with java and gtk. Anyways I'm trying to get my application to quasi do the following retrieve an image from the web pack it into the container I'm having a hell of a hard time though. The one thing I haven't done is for the filename, just used the URL of the image. Will that work? Any reference or resources to this would be greatly appreciated! Thanks, BT |
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From: Alexander B. <ab...@ro...> - 2010-12-01 20:00:37
|
sön 2010-11-21 klockan 16:31 +0530 skrev sankar bose: > Hi > i am getting the bellow errors .. > src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:35:21: > error: gtk/gtk.h: No such file or directory Hi, If you only need to use java-gnome and don't intend to hack on it directly then it might be enough for you to just install the java-gnome package in Fedora. Just do "pkcon install java-gnome" or as root "yum install java-gnome". (The Fedora package is still at 4.0.16 though because I can't really update java-gnome on the release branches F13 and F14 before I update it on the development branch F15, but it fails to build on F15 after libnotify 0.7.0 appeared.) To compile java-gnome from source you'll need to first install these packages: junit pkgconfig atk-devel cairo-devel gtk2-devel glib2-devel gtksourceview2-devel gtkspell-devel libglade2-devel libnotify-devel pango-devel unique-devel gettext python java-1.6.0-openjdk-devel enchant-devel gcc After that your make should hopefully succeed. /Alexander |
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From: Andrew C. <an...@op...> - 2010-11-22 09:43:01
|
On Mon, 2010-11-22 at 00:11 +0530, sankar bose wrote: > This sounds complete stupid but i am started using fedora just 2 days > ago so can you please tell me how should i apply this patch. Hopefully someone running Fedora can help tell you (and thence us) what dependencies you'll need to install. [the patch wouldn't have fixed your "problem"; it just would have helped you with understanding what prerequisites you are missing. But there definitely people out there building and using java-gnome on Fedora, so hopefully one of them can help us out here and, while they're at it, maybe point you at a package to use] Alexander - can you assist? AfC Sydney |
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From: sankar b. <sha...@gm...> - 2010-11-21 18:41:57
|
This sounds complete stupid but i am started using fedora just 2 days ago so
can you please tell me how should i apply this patch.
sorry for the inconvenience .
with regards..........
|
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From: Andrew C. <an...@op...> - 2010-11-21 12:51:54
|
On Sun, 2010-11-21 at 16:31 +0530, sankar bose wrote: > GCC src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c > src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:35:21: > error: gtk/gtk.h: No such file or directory > src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:36:21: > error: enchant.h: No such file or directory > In file included from > src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:38: You're missing the necessary build prerequisites. If you install the "development" packages for GTK etc you'll be on your way. ++ The top level configure script is supposed to check for those, but for whatever reason, no one running Fedora has contributed code to do this. But it should have the checks, definitely. Attached is patch (Bazaar bundle, actually) to 4.0.17 that introduces these probes. If you are just building from released .tar then please tell us what the FIXMEs are. If you are building from 'mainline', then please merge this bundle, correct the FIXMEs, and send us an updated branch we'll merge it to 'mainline' straight away. Either way, what we'd like to know is what *development* packages to suggest people install if the prerequisite is not met. Thanks, AfC Sydney -- Andrew Frederick Cowie Operational Dynamics is an operations and engineering consultancy focusing on IT strategy, organizational architecture, systems review, and effective procedures for change management: enabling successful deployment of mission critical information technology in enterprises, worldwide. http://www.operationaldynamics.com/ Sydney New York Toronto London |
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From: sankar b. <sha...@gm...> - 2010-11-21 11:07:51
|
Hi
i have downloaded the latest java-gnome. i am having some problems please
help me.
i am using fedora 12.
i have executed the below commands like
./configure
then
make
i am getting the bellow errors ..
tmp/include/org_gnome_glib_GlibException.h
tmp/include/org_gnome_glib_GObject.h
tmp/include/org_gnome_glib_Signal.h
tmp/include/org_gnome_glib_FatalError.h
MKDIR tmp/objects/org/freedesktop/enchant
GCC src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c
src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:35:21: error:
gtk/gtk.h: No such file or directory
src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:36:21: error:
enchant.h: No such file or directory
In file included from
src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:38:
src/jni/bindings_java.h:38:18: error: glib.h: No such file or directory
src/jni/bindings_java.h:39:25: error: glib-object.h: No such file or
directory
src/jni/bindings_java.h:40:35: error: gdk-pixbuf/gdk-pixbuf.h: No such file
or directory
In file included from
src/bindings/org/freedesktop/enchant/EnchantBrokerOverride.c:38:
src/jni/bindings_java.h:50: error: expected declaration specifiers or ‘...’
before ‘GError’
compilation terminated due to -Wfatal-errors.
make: *** [build-java] Error 1
i cant understand the make file so i cant modify it. i think if
i add the pkg-config gtk+2.0 --cflags then the problem will be solved.
Please help me to solve the problem.
with regards............
|
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From: Guillaume M. <res...@gm...> - 2010-11-20 06:42:27
|
> So do we need to change java-gnome to do this? This is a GNOME 2.32 > problem, right (not an Ubuntu only one)? I don't know. This "problem" appears only in buildd environment and not in a regular pbuilder environment. It's a bit weird to me. If we can confirm this "bug" on other distros maybe it will worth to change the problematic line in java-gnome. If we can't I think that the patch to fix the FTBFS should stay a patch in the .deb package. -- Guillaume Mazoyer - http://www.respawner.fr/ |
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From: Andrew C. <an...@op...> - 2010-11-20 02:22:39
|
On Fri, 2010-11-19 at 16:21 +0100, Guillaume Mazoyer wrote: > Bug fixed in the new package (4.0.17) that I just uploaded. > Metacity should be launched using dbus-launch on buildd environment. So do we need to change java-gnome to do this? This is a GNOME 2.32 problem, right (not an Ubuntu only one)? AfC Sydney |
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From: Guillaume M. <res...@gm...> - 2010-11-19 15:21:22
|
Bug fixed in the new package (4.0.17) that I just uploaded. Metacity should be launched using dbus-launch on buildd environment. -- Guillaume Mazoyer - http://www.respawner.fr/ |
|
From: Andrew C. <an...@op...> - 2010-11-19 01:38:30
|
There's a new version of java-gnome! Release notes http://java-gnome.sourceforge.net/4.0/NEWS.html#4.0.17 Tarball http://ftp.gnome.org/pub/gnome/sources/java-gnome/4.0/java-gnome-4.0.17.tar.bz2 Ubuntu package (thanks Guillaume!) https://launchpad.net/~java-gnome/+archive/ppa Gentoo package (thanks Kenneth and Serkan!) http://packages.gentoo.org/package/dev-java/java-gnome/ Anyone using java-gnome to develop lovely applications is, as ever, invited to come hang out with us in #java-gnome on irc.gimp.net and chat with us about what you're up to. We'd love to see you. AfC Sydney |
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From: Andrew C. <an...@op...> - 2010-11-03 15:56:11
|
On Wed, 2010-11-03 at 14:31 +0100, Jonas Nyström wrote:
> I want to try some basic Cairo programming in java, and downloaded the
> 4.0.17 rc2 packages.
Cool :)
>
> Where can I find these constant files?
So I just whacked your code snippet into a class and got the following
imports:
import org.freedesktop.cairo.Context;
import org.freedesktop.cairo.Format;
import org.freedesktop.cairo.ImageSurface;
public class Example
{
public static void main(String[] args) {
final ImageSurface surface;
final Context cr;
surface = new ImageSurface(Format.ARGB32, 200, 200);
cr = new Context(surface);
cr.setSource(0.0, 0.0, 0.0);
cr.moveTo(25.0, 25.0);
cr.lineTo(50.0, 100.0);
cr.stroke();
}
}
Is that what you needed to know?
>
> i get errors because CairoAntialias, CairoContent etc where constants
> are defined can't be found.
>
Oh. Wait. Hm.
Did you run
$ make
If working against the library as built you want the tmp/gtk-4.0.jar
that results from that.
Sounds like you loaded up the classes under src/bindings/ but haven't
built the library, because you're missing the sources under
generated/bindings/. You still must run the build. though.
If working against the java-gnome sources directly you need... well, if
you just use the Eclipse Project that comes in the sources it'll Just
Work™. If you're not using Eclispe, then reply and I'll walk you through
the source folders. You still must run the build, though.
AfC
Granada
|
|
From: Loïc D. <loi...@pa...> - 2010-11-03 14:39:07
|
Le vendredi 29 octobre 2010 à 23:21 +0200, Andrew Cowie a écrit :
> On Fri, 2010-10-29 at 19:53 +0200, bob wrote:
> > Good news, I successful create a custom CellRenderer in Vala
>
> Um.
>
> You're probably not going to be able to mix java-gnome code and Vala
> code and absolutely not if they use ToggleRefs.
>
> [The GEdit people are going through this right now trying to mix Python
> and JavaScript plugins. It won't work; only one (language) can have a
> ToggleRef to a GObject {shrug}]
Vala isn't an interpreted language like Python or JavaScript, Vala
produce native code like the C language. But I don't know what are
ToggleRef so I can't say if my code is good.
>
> > I create my custom CellRenderer
>
> We had not really gone much further in talking about what you needed.
> Last you said you wanted to subclass Bin. Now you're talking about
> CellRenderer. Which is it?
I need to extends CellRenderer, I try to extends Bin for testing
exclusively (with success). The first custum CellRenderer is for the
"Navigator". I failed to create a good render with two native
TextCellRenderer and PixbufCellRenderer (different height and different
text position in the same tree) so I create a custom CellRenderer and
that's work. I would like to create a second CellRenderer with stars for
rating eBooks in future.
>
> At the GTK Hackfest Vreixo and I talked about some possibilities for how
> to implement a subclassable Bin. We could also do this technique for
> CellRenderer too, though neither of us are hacking on that area right
> now.
I'm waiting for extend CellRenderer (or bin) in pure Java !
>
> > the screenshot
> >
> So back to what you are trying to achieve. In that screenshot all I see
> is what looks to me like something you could do in a TreeView with a
> CellRendererPixbuf and a CellRendererText. What is it that you needed
> custom that we don't have in java-gnome right now? Why not just add 2 ×
> CellRenderer to your TreeViewColumn?
See above I failed to produce the same renderer with 2 CellRenderers.
>
> > I don't know
> > how to link my library with the libgtkjni.so.
>
> You can't. It's not a public library. It has no public symbols, and no
> API or ABI. It's not for linking against.
I know that libgtkjni isn't a public library, but if we couldn't extends
CellRenderer in pure Java, I would like to create native components, but
I can't call the bindings_java_memory_cleanup method in the code below
because it's a libgtkjni function and I'm afraid that cause some
problems with memory.
JNIEXPORT jlong JNICALL
Java_org_gnome_gtk_LibrebookCellRendererNavigator_librebook_1cell_1renderer_1navigator_1new
(JNIEnv * env, jclass cls)
{
LibrebookCellRendererNavigator* result;
jlong _result;
// call function
result = librebook_cell_renderer_navigator_new();
// translate return value to JNI type
_result = (jlong) result;
// cleanup return value
//if (result != NULL) {
// bindings_java_memory_cleanup((GObject*)result, TRUE);
//}
// and finally
return _result;
}
Thanks for you helps and for your great works, I love developing Gnome
application with a good integration in my desktop in Java.
>
> AfC
> Granada
>
> ------------------------------------------------------------------------------
> Nokia and AT&T present the 2010 Calling All Innovators-North America contest
> Create new apps & games for the Nokia N8 for consumers in U.S. and Canada
> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
> http://p.sf.net/sfu/nokia-dev2dev
> _______________________________________________ java-gnome-developer mailing list jav...@li... https://lists.sourceforge.net/lists/listinfo/java-gnome-developer
|
|
From: Jonas N. <jon...@gm...> - 2010-11-03 13:31:19
|
Hi! I want to try some basic Cairo programming in java, and downloaded the 4.0.17 rc2 packages. When I try something basic, for example ImageSurface surface = new ImageSurface(Format.ARGB32, 200, 200); Context cr = new Context(surface); cr.setSource(0.0, 0.0, 0.0); cr.moveTo(25.0, 25.0); cr.lineTo(50.0, 100.0); cr.stroke(); i get errors because CairoAntialias, CairoContent etc where constants are defined can't be found. Where can I find these constant files? Regards / Jonas |
|
From: Andrew C. <an...@op...> - 2010-10-29 21:22:04
|
On Fri, 2010-10-29 at 19:53 +0200, bob wrote:
> Good news, I successful create a custom CellRenderer in Vala
Um.
You're probably not going to be able to mix java-gnome code and Vala
code and absolutely not if they use ToggleRefs.
[The GEdit people are going through this right now trying to mix Python
and JavaScript plugins. It won't work; only one (language) can have a
ToggleRef to a GObject {shrug}]
> I create my custom CellRenderer
We had not really gone much further in talking about what you needed.
Last you said you wanted to subclass Bin. Now you're talking about
CellRenderer. Which is it?
At the GTK Hackfest Vreixo and I talked about some possibilities for how
to implement a subclassable Bin. We could also do this technique for
CellRenderer too, though neither of us are hacking on that area right
now.
> the screenshot
>
So back to what you are trying to achieve. In that screenshot all I see
is what looks to me like something you could do in a TreeView with a
CellRendererPixbuf and a CellRendererText. What is it that you needed
custom that we don't have in java-gnome right now? Why not just add 2 ×
CellRenderer to your TreeViewColumn?
> I don't know
> how to link my library with the libgtkjni.so.
You can't. It's not a public library. It has no public symbols, and no
API or ABI. It's not for linking against.
AfC
Granada
|
|
From: bob <loi...@pa...> - 2010-10-29 17:53:58
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Hello, Good news, I successful create a custom CellRenderer in Vala and use this CellRenderer in Java with Java Gnome. Now I compile the vala source manually but I will update my configure and Makefile script. It's a hack but it's work, the screenshot is accessible at this URL : https://www.papaye.me/wiki/librebook/screenshot There are still some problems : I create my custom CellRenderer in the org.java.gnome package because a lot of generated methods are in package visibility so I couldn't use these object methods in another package. And I don't use the bindings_java_memory_cleanup() call in my JNI source because I don't how to do this, I'm not a C programmer and I don't know how to link my library with the libgtkjni.so. Best regards, Loïc Dreux Le samedi 23 octobre 2010 à 14:58 +0200, bob a écrit : > I work on the librebook project https://launchpad.net/librebook and for > reproduce the same look that Rhythmbox or Banshee, I read the source of > these projects and I saw that developers use custom widget for the tree > navigator or for the list. > > It is very important that I could increase the look of my project so I > would like to use some customs GTK widget. > > Do you think it's possible to create pure java like a complex navigator > tree with the DrawingArea object ? > > Loïc Dreux > > Le samedi 23 octobre 2010 à 14:37 +0200, Andrew Cowie a écrit : > > On Wed, 2010-10-20 at 16:15 +0200, bob wrote: > > > > > There is a solution to create a custom widget in Java? > > > > For what most people need, they just use (or subclass, whatever) > > DrawingArea. Could you perhaps explain what you're actually trying to > > do? > > > > > // The custom GTK widget RoundedFrame > > > > I don't read .Net, sorry. > > > > AfC > > A Coruña > > > > > > > > ------------------------------------------------------------------------------ > > Nokia and AT&T present the 2010 Calling All Innovators-North America contest > > Create new apps & games for the Nokia N8 for consumers in U.S. and Canada > > $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing > > Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store > > http://p.sf.net/sfu/nokia-dev2dev > > _______________________________________________ > > java-gnome-developer mailing list > > jav...@li... > > https://lists.sourceforge.net/lists/listinfo/java-gnome-developer > n > > > ------------------------------------------------------------------------------ > Nokia and AT&T present the 2010 Calling All Innovators-North America contest > Create new apps & games for the Nokia N8 for consumers in U.S. and Canada > $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing > Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store > http://p.sf.net/sfu/nokia-dev2dev > _______________________________________________ > java-gnome-developer mailing list > jav...@li... > https://lists.sourceforge.net/lists/listinfo/java-gnome-developer |
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From: Andrew C. <an...@op...> - 2010-10-24 11:49:50
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On Sat, 2010-10-23 at 22:56 +0200, Guillaume Mazoyer wrote: > The failed build on Maverick is due to a Metacity bug with xvfb. Make sure you leave a comment on the bug, and link our bug # to it... AfC Alicante |
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From: Guillaume M. <res...@gm...> - 2010-10-23 20:56:22
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The failed build on Maverick is due to a Metacity bug with xvfb. Here is the bug report : https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/632594 So I'm waiting for the fix to re-enable doc's screenshots in the package. -- Guillaume Mazoyer - http://www.respawner.fr/ |
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From: bob <loi...@pa...> - 2010-10-23 12:59:05
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I work on the librebook project https://launchpad.net/librebook and for reproduce the same look that Rhythmbox or Banshee, I read the source of these projects and I saw that developers use custom widget for the tree navigator or for the list. It is very important that I could increase the look of my project so I would like to use some customs GTK widget. Do you think it's possible to create pure java like a complex navigator tree with the DrawingArea object ? Loïc Dreux Le samedi 23 octobre 2010 à 14:37 +0200, Andrew Cowie a écrit : > On Wed, 2010-10-20 at 16:15 +0200, bob wrote: > > > There is a solution to create a custom widget in Java? > > For what most people need, they just use (or subclass, whatever) > DrawingArea. Could you perhaps explain what you're actually trying to > do? > > > // The custom GTK widget RoundedFrame > > I don't read .Net, sorry. > > AfC > A Coruña > > > > ------------------------------------------------------------------------------ > Nokia and AT&T present the 2010 Calling All Innovators-North America contest > Create new apps & games for the Nokia N8 for consumers in U.S. and Canada > $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing > Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store > http://p.sf.net/sfu/nokia-dev2dev > _______________________________________________ > java-gnome-developer mailing list > jav...@li... > https://lists.sourceforge.net/lists/listinfo/java-gnome-developer n |
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From: Andrew C. <an...@op...> - 2010-10-23 12:37:56
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On Wed, 2010-10-20 at 16:15 +0200, bob wrote: > There is a solution to create a custom widget in Java? For what most people need, they just use (or subclass, whatever) DrawingArea. Could you perhaps explain what you're actually trying to do? > // The custom GTK widget RoundedFrame I don't read .Net, sorry. AfC A Coruña |
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