[Mono-list] GTK# HTML viewer for UI

[don-prog]

I want to create a cross-platform GTK# application with HTML/CSS/JS user
interface. I already found  Gtk.HTML rendering widget
  , but it does not support CSS
and JS(I think that because thus it is written on this page). So what are
the options I have to accomplish this task?



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[Mono-list] GTK# installers gone

[Petr Bena]

Hi,

there used to be installer for GTK# on mono web site. It's all gone
now, only a huge installer that contains mono as well as GTK# is
there. Where can I get GTK# only so that I don't have to bundle that
huge installer with my application setup.
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[Mono-list] GTK#3 on Windows

[Vasileios Anagnostopoulos]

Hi,

are there any plans to release a win32 build of gtk sharp 3 on Win32? If
not is it possible to give compilation instructions preferably with msys2?

Thank you for your time.
-- 
Dr. Vasileios Anagnostopoulos (MSc,PhD)
Researcher/Developer
ICCS/NTUA 9 Heroon Polytechneiou Str., Zografou 15773 Athens,Greece
T (+30) 2107723404 M (+30) 6936935388
E va...@mail.ntua.grmailto:va...@mail.ntua.gr www.ntua.gr
http://www.ntua.gr/
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Re: [Mono-list] Gtk# support

[José Baltasar García Perez-Schofield]

Hi !

 To my understanding, Ubuntu does not support GTK# for .NET 2.0 based 
 mono runtime, which is not a bug. You are trying to run an app with 
 insufficient software components on an OS. If you want to use the 
 feature that the OS does not provide, you'll have to provide that by 
 yourself, like it wouldn't make sense to bug Microsoft that WP7 does not 
 ship with System.Data.

That is interesting. The problem is that, with Mono-2.10.8, .NET 
applications created with mono 2.10.8 and the latest MonoDevelop, that in 
Ubuntu work adding the --runtime=v4.0 switch, do not work in Windows anymore. 
They just simply crash, showing no errors.

The only way to execute one of that applications is to install mono and 
launch them from there (showing at the same time, an ugly command line window 
for a brief moment).

-- 
Baltasar García Perez-Schofield (jbgar...@uvigo.es)
Dpt. Informática, Universidad de Vigo, España
http://webs.uvigo.es/jbgarcia/
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Re: [Mono-list] Gtk# support

[IBBoard]

On 11/05/12 13:12, José Baltasar García Perez-Schofield wrote:

To my understanding, Ubuntu does not support GTK# for .NET 2.0 based
mono runtime, which is not a bug. You are trying to run an app with
insufficient software components on an OS. If you want to use the
feature that the OS does not provide, you'll have to provide that by
yourself, like it wouldn't make sense to bug Microsoft that WP7 does not
ship with System.Data.


That is interesting. The problem is that, with Mono-2.10.8, .NET applications 
created with mono 2.10.8 and the latest MonoDevelop, that in Ubuntu work adding the 
--runtime=v4.0 switch, do not work in Windows anymore. They just simply 
crash, showing no errors.

The only way to execute one of that applications is to install mono and 
launch them from there (showing at the same time, an ugly command line window 
for a brief moment).



Thanks for bringing that up - it wasn't something that I'd encountered, 
but it is useful to know. My apps are currently built using Jenkins on 
an Amazon cloud instance, which is running CentOS (I think - it is a 
hosted service, so I'm not sure), so I'm still compiling using an old 
library.


If that's true, is it a problem of targeting .Net v4.0 in general and 
running on other releases (including .Net), which don't properly support 
the 4.0 profile?

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Re: [Mono-list] Gtk# support

[IBBoard]

On 11/05/12 13:12, José Baltasar García Perez-Schofield wrote:

To my understanding, Ubuntu does not support GTK# for .NET 2.0 based
mono runtime, which is not a bug. You are trying to run an app with
insufficient software components on an OS. If you want to use the
feature that the OS does not provide, you'll have to provide that by
yourself, like it wouldn't make sense to bug Microsoft that WP7 does not
ship with System.Data.


That is interesting. The problem is that, with Mono-2.10.8, .NET applications 
created with mono 2.10.8 and the latest MonoDevelop, that in Ubuntu work adding the 
--runtime=v4.0 switch, do not work in Windows anymore. They just simply 
crash, showing no errors.

The only way to execute one of that applications is to install mono and 
launch them from there (showing at the same time, an ugly command line window 
for a brief moment).



Thanks for bringing that up - it wasn't something that I'd encountered, 
but it is useful to know. My apps are currently built using Jenkins on 
an Amazon cloud instance, which is running CentOS (I think - it is a 
hosted service, so I'm not sure), so I'm still compiling using an old 
library.


If that's true, is it a problem of targeting .Net v4.0 in general and 
running on other releases (including .Net), which don't properly support 
the 4.0 profile?



(Sorry if this is a dupe - my email seems to be playing up a little)
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Re: [Mono-list] Gtk print demo fails on Windows7 for all versions of Mono/Gtk

[Elmar Haneke]

Am 08.09.2011 20:06, schrieb Doug Blank:

 Wow... nothing. No activity in the bug tracker. No response here.
 Maybe someone can make some guesses about the issue, or why I can't
 get any comments:

Perhaps you can find an solution in
https://bugzilla.novell.com/show_bug.cgi?id=380675

If that does not help you should send your complaint about the missing
support to the people you did contract for urgent support.

Elmar

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Re: [Mono-list] Gtk print demo fails on Windows7 for all versions of Mono/Gtk

[Doug Blank]

On Fri, Sep 9, 2011 at 3:34 AM, Elmar Haneke el...@haneke.de wrote:


 Am 08.09.2011 20:06, schrieb Doug Blank:

 Wow... nothing. No activity in the bug tracker. No response here.
 Maybe someone can make some guesses about the issue, or why I can't
 get any comments:

 Perhaps you can find an solution in
 https://bugzilla.novell.com/show_bug.cgi?id=380675

Yes! Thank you, thank you, thank you!

It turns out that if you want to use Gtk.PrintOperation, your Main
function, wherever it is, must have the [STAThread] attribute.

I've been using Mono and Gtk# for a year now without this (just using
Gtk.Application.Invoke for to run in the correct thread), but Printing
appears to require STAThread. (My application is actually written in
IronPython, which would be problematic as there is no way to set this
attribute, and so there appears to be no way to have a pure IronPython
app that prints in Windows. But this is easily remedied by creating a
little C# wrapper).

 If that does not help you should send your complaint about the missing
 support to the people you did contract for urgent support.

Well, this is an open source project, without money or contracts. So
it is up to people like us to make sure that we provide even little
hints to each other.

And so, this day shall be know as Elmar Day :) Your hint means a lot
to a lot of users. Thanks!

-Doug

 Elmar

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Re: [Mono-list] Gtk print demo fails on Windows7 for all versions of Mono/Gtk

[Robert Jordan]

On 09.09.2011 13:06, Doug Blank wrote:
 On Fri, Sep 9, 2011 at 3:34 AM, Elmar Hanekeel...@haneke.de  wrote:


 Am 08.09.2011 20:06, schrieb Doug Blank:

 Wow... nothing. No activity in the bug tracker. No response here.
 Maybe someone can make some guesses about the issue, or why I can't
 get any comments:

 Perhaps you can find an solution in
 https://bugzilla.novell.com/show_bug.cgi?id=380675

 Yes! Thank you, thank you, thank you!

 It turns out that if you want to use Gtk.PrintOperation, your Main
 function, wherever it is, must have the [STAThread] attribute.

 I've been using Mono and Gtk# for a year now without this (just using
 Gtk.Application.Invoke for to run in the correct thread), but Printing
 appears to require STAThread. (My application is actually written in

The printing support is invoking native Windows functions,
and some of them need a STA thread.

 IronPython, which would be problematic as there is no way to set this
 attribute, and so there appears to be no way to have a pure IronPython
 app that prints in Windows. But this is easily remedied by creating a
 little C# wrapper).

You don't need a wrapper if you translate this to IronPython:

// entry point
static void Main (string[] args)
{
// create a STA thread
Thread t = new Thread(delegate {
   RealMain(args);
});
t.SetApartmentState(ApartmentState.STA);
t.Start();
t.Join();
}

static void RealMain(string[] args)
{
// do stuff you've done in main before
}

Robert

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Re: [Mono-list] Gtk print demo fails on Windows7 for all versions of Mono/Gtk

[Doug Blank]

On Fri, Aug 26, 2011 at 6:13 AM, Doug Blank doug.bl...@gmail.com wrote:
 Has anyone tried to print using Mono on Windows7?

 I have some sample code (basically the demo print program) on:

 http://bugzilla.xamarin.com/show_bug.cgi?id=218

 that doesn't run on any version of Mono that I have tried on Windows7?

 Surely this is a serious issue, or something that no one else is seeing?

 If someone could try the code, and report back:

 gmcs DemoPrinting.cs /pkg:gtk-sharp-2.0 -r:Mono.Cairo

 Run with:

 mono DemoPrinting.exe

 Thanks for *any* feedback,

Wow... nothing. No activity in the bug tracker. No response here.
Maybe someone can make some guesses about the issue, or why I can't
get any comments:

[ ] - we're too busy to do anything related to Gtk under Mono
[ ] - we don't support Mono/Gtk/Windows7 any more
[ ] - I don't see the problem
[ ] - Use a different method to print when using Mono on Windows (like what?)

As far as I can tell, there is no way to print from Windows7. Am I wrong?

-Doug

 -Doug

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[Mono-list] Gtk print demo fails on Windows7 for all versions of Mono/Gtk

[Doug Blank]

Has anyone tried to print using Mono on Windows7?

I have some sample code (basically the demo print program) on:

http://bugzilla.xamarin.com/show_bug.cgi?id=218

that doesn't run on any version of Mono that I have tried on Windows7?

Surely this is a serious issue, or something that no one else is seeing?

If someone could try the code, and report back:

gmcs DemoPrinting.cs /pkg:gtk-sharp-2.0 -r:Mono.Cairo

Run with:

mono DemoPrinting.exe

Thanks for *any* feedback,

-Doug
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[Mono-list] gtk-sharp.dll on Windows

[Elmar Haneke]

I did install mono-2.10.4-gtksharp-2.12.11-win32-0.exe but there seems
to be no gtk-sharp.dll to be installed.

Where has it gone?

Elmar

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Re: [Mono-list] gtk-sharp.dll on Windows

[Alex]

Hi,

Mono ships with a private GTK#. You'll need to install GTK# separately.

http://download.mono-project.com/gtk-sharp/gtk-sharp-2.12.10.win32.msi

Regards,
Alex

On Wed, Aug 17, 2011 at 10:49 AM, Elmar Haneke el...@haneke.de wrote:
 I did install mono-2.10.4-gtksharp-2.12.11-win32-0.exe but there seems
 to be no gtk-sharp.dll to be installed.

 Where has it gone?

 Elmar

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Re: [Mono-list] gtk-sharp.dll on Windows

[Elmar Haneke]

 Mono ships with a private GTK#. 

That is what I'm missing. Older installers did copy an gtk-sharp.dll
into target directory.

 You'll need to install GTK# separately.
 
 http://download.mono-project.com/gtk-sharp/gtk-sharp-2.12.10.win32.msi

This ist for use with DotNet not Mono.

Elmar
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Re: [Mono-list] gtk-sharp.dll on Windows

[Alex]

Hi,

 That is what I'm missing. Older installers did copy an gtk-sharp.dll
 into target directory.

No idea then. Maybe Alex Corrado might have a clue? I think he manages
the Windows packaging now.

 This ist for use with DotNet not Mono.

You said GTK# on Windows. This is an installer for Windows, and it
works fine under .NET as well as Mono.

Regards,
Alex

On Wed, Aug 17, 2011 at 12:21 PM, Elmar Haneke el...@haneke.de wrote:
 Mono ships with a private GTK#.

 That is what I'm missing. Older installers did copy an gtk-sharp.dll
 into target directory.

 You'll need to install GTK# separately.

 http://download.mono-project.com/gtk-sharp/gtk-sharp-2.12.10.win32.msi

 This ist for use with DotNet not Mono.

 Elmar
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Re: [Mono-list] [Gtk-sharp-list] Where Did The Gtk# API Documentation Go?

[Miguel de Icaza]

Hello,

Where has the Gtk# API documentation gone. It is no longer available at
 http://www.go-mono.com/docs/. In fact the whole gnome# tree has
 disappeared.


We have been migrating the servers to their new home, and there have been a
few kinks to sort out during this process.

The APIs are now back online.

Miguel
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[Mono-list] Gtk# component for buttons like The Gimp toolbox???

[Francisco M. Marzoa]

Hello,

For those whose does not known The GiMP yet, it's an image mainpulation
program and has a toolbox in its main window plenty of icon buttons in
the form of a grid. These buttons are fixed in size, so when you resize
the window, the number of icons per row is changed to fill the available
space.

You can see the toolbox on the left of this image:

http://www.gimp.org/screenshots/windows_crop_thumb.jpg

So, my question: is there a GTK# component -or compatible- to create a
grid of buttons like that one that automatically adapts to available
space???

Thanks in advance,


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Re: [Mono-list] GTK# max widget size

[Dimitar Dobrev]

Did you try AttachOptions.Shrink?
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[Mono-list] GTK# max widget size

[Christopher Svanefalk]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hello all,

please, can somebody just give me a heads up (no detailed
explanation requested) on how to force GTK# widgets __not__ to draw
beyond some programmer specified dimensions?

I am currently writing a project where I have a set of buttons
representing a keyboard, and resizing the application window causes
them to grow along with it. I need them to init at a specific size
and remain that size regardless of how any parent widgets may
change.

Thanks in advance!

Blessings,

Christopher Svanefalk
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Charset: UTF8
Version: Hush 3.0
Note: This signature can be verified at https://www.hushtools.com/verify

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[Mono-list] gtk color parsing problem

[Sharique uddin Ahmed Farooqui]

I have a color buttons on my application, I want to pass web color
codes (#fffccc or just fffccc) to button. I tried Gdk.Color.parse
but it does not support it.
-- 
Sharique uddin Ahmed Farooqui
(C++/C# Developer, IT Consultant)
http://safknw.blogspot.com/
Peace is the Ultimate thing we want.
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Re: [Mono-list] gtk color parsing problem

[Chris Howie]

On Wed, Oct 28, 2009 at 8:26 AM, Sharique uddin Ahmed Farooqui
saf...@gmail.com wrote:
 I have a color buttons on my application, I want to pass web color
 codes (#fffccc or just fffccc) to button. I tried Gdk.Color.parse
 but it does not support it.

It should not be too hard to manually parse this format.  A simple
regular expression would do it.

-- 
Chris Howie
http://www.chrishowie.com
http://en.wikipedia.org/wiki/User:Crazycomputers
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Re: [Mono-list] GTK-Sharp: Cannot implicitly convert type `Cairo.Context' to `Cairo.Context'

[Alan McGovern]

If it was all working before, I'm unsure why it would just stop working
after updating from SVN. The best I can offer is that you should check to
see if you changed anything on your system or installed new packages which
might result in this conflict.

Finally, you should follow the guide on setting up a completely clean prefix
so you don't get conflicts like this. It might help.

Alan.

On Mon, Jul 13, 2009 at 8:46 PM, cornholio m...@hofmeister-christian.dewrote:


 Hi Alan,

 thank you for your response.

 no, i didn't follow the guideline, but i removed my old mono installation a
 few weeks ago (via ubuntu apt-get remove), so i thought i have a clean svn
 installation of mono-svn. it works fine for many days and i did rebuilt the
 sources every day (on 2 systems both are broken now, it's a fault of my
 build-script for sure)

 i am downloading the sources from: anonsvn.mono-project.com and i wrote a
 script for checking out /update svn repository and running autogen.sh or
 configure.sh scripts (prefix=/usr/local/).

 can you help me how to get rid of the old installation?

 thank you


 Alan McGovern-2 wrote:
 
  Hey,
 
 
 /usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
  (Location of the symbol related to previous error)
 
 /usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
 
  You appear to be loading both the 1.0 and 2.0 Mono.Cairo assemblies at
 the
  same time, this shouldn't happen and is what is causing the issues. My
  guess
  is that you have a broken mono install, as I've been happily compiling
  monodevelop on a daily basis for the last few months.
 
  What commands/arguments did you use to compile mono, gtk and/or
  monodevelop.
  Where did you get the source to compile whatever it is you're compiling,
  what versions of those things are you compiling. Did you follow the
  guidelines here on how to install a parallel mono without breaking your
  system: http://www.mono-project.com/Parallel_Mono_Environments.
 
  Alan.
 
 

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[Mono-list] GTK-Sharp: Cannot implicitly convert type `Cairo.Context' to `Cairo.Context'

[cornholio]

hi,

i couldn't compile mono (mono-develop) from svn since last week:

./DemoColorSelection.cs(45,30): warning CS0612:
`Gtk.Box.PackStart(Gtk.Widget)' is obsolete
./DemoImages.cs(173,42): warning CS0618: `Gtk.Image.FromPixbuf' is obsolete:
`Use the Pixbuf property instead'
./DemoPrinting.cs(79,39): error CS0029: Cannot implicitly convert type
`Cairo.Context' to `Cairo.Context'
./DemoPrinting.cs(104,43): error CS1502: The best overloaded method match
for `Pango.CairoHelper.ShowLayout(Cairo.Context, Pango.Layout)' has some
invalid arguments
/home/cho/tmp/mono_svn/source/gtk_sharp/pango/pango-sharp.dll (Location of
the symbol related to previous error)
./DemoPrinting.cs(104,43): error CS1503: Argument `#1' cannot convert
`Cairo.Context' expression to type `Cairo.Context'
./DemoPrinting.cs(104,43): (equally named types possibly from different
assemblies in previous error)
/usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
(Location of the symbol related to previous error)
/usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
(Location of the symbol related to previous error)
./DemoPrinting.cs(111,43): error CS1502: The best overloaded method match
for `Pango.CairoHelper.ShowLayout(Cairo.Context, Pango.Layout)' has some
invalid arguments
/home/cho/tmp/mono_svn/source/gtk_sharp/pango/pango-sharp.dll (Location of
the symbol related to previous error)
./DemoPrinting.cs(111,43): error CS1503: Argument `#1' cannot convert
`Cairo.Context' expression to type `Cairo.Context'
./DemoPrinting.cs(111,43): (equally named types possibly from different
assemblies in previous error)
/usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
(Location of the symbol related to previous error)
/usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
(Location of the symbol related to previous error)
./DemoPrinting.cs(125,51): error CS1502: The best overloaded method match
for `Pango.CairoHelper.ShowLayout(Cairo.Context, Pango.Layout)' has some
invalid arguments
/home/cho/tmp/mono_svn/source/gtk_sharp/pango/pango-sharp.dll (Location of
the symbol related to previous error)
./DemoPrinting.cs(125,51): error CS1503: Argument `#1' cannot convert
`Cairo.Context' expression to type `Cairo.Context'
./DemoPrinting.cs(125,51): (equally named types possibly from different
assemblies in previous error)
/usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
(Location of the symbol related to previous error)
/usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
(Location of the symbol related to previous error)
Compilation failed: 7 error(s), 2 warnings
make[3]: *** [GtkDemo.exe] Error 1
make[3]: Leaving directory
`/home/cho/tmp/mono_svn/source/gtk_sharp/sample/GtkDemo'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/cho/tmp/mono_svn/source/gtk_sharp/sample'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/cho/tmp/mono_svn/source/gtk_sharp'
make: *** [all] Error 2
[FATAL].: failed to make GTK-Sharp!


can you please help me to get mono compiled again?

thx

christian
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Re: [Mono-list] GTK-Sharp: Cannot implicitly convert type `Cairo.Context' to `Cairo.Context'

[Alan McGovern]

Hey,

/usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
(Location of the symbol related to previous error)
/usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll

You appear to be loading both the 1.0 and 2.0 Mono.Cairo assemblies at the
same time, this shouldn't happen and is what is causing the issues. My guess
is that you have a broken mono install, as I've been happily compiling
monodevelop on a daily basis for the last few months.

What commands/arguments did you use to compile mono, gtk and/or monodevelop.
Where did you get the source to compile whatever it is you're compiling,
what versions of those things are you compiling. Did you follow the
guidelines here on how to install a parallel mono without breaking your
system: http://www.mono-project.com/Parallel_Mono_Environments.

Alan.

On Mon, Jul 13, 2009 at 7:54 PM, cornholio m...@hofmeister-christian.dewrote:


 hi,

 i couldn't compile mono (mono-develop) from svn since last week:

 ./DemoColorSelection.cs(45,30): warning CS0612:
 `Gtk.Box.PackStart(Gtk.Widget)' is obsolete
 ./DemoImages.cs(173,42): warning CS0618: `Gtk.Image.FromPixbuf' is
 obsolete:
 `Use the Pixbuf property instead'
 ./DemoPrinting.cs(79,39): error CS0029: Cannot implicitly convert type
 `Cairo.Context' to `Cairo.Context'
 ./DemoPrinting.cs(104,43): error CS1502: The best overloaded method match
 for `Pango.CairoHelper.ShowLayout(Cairo.Context, Pango.Layout)' has some
 invalid arguments
 /home/cho/tmp/mono_svn/source/gtk_sharp/pango/pango-sharp.dll (Location of
 the symbol related to previous error)
 ./DemoPrinting.cs(104,43): error CS1503: Argument `#1' cannot convert
 `Cairo.Context' expression to type `Cairo.Context'
 ./DemoPrinting.cs(104,43): (equally named types possibly from different
 assemblies in previous error)

 /usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
 (Location of the symbol related to previous error)
 /usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
 (Location of the symbol related to previous error)
 ./DemoPrinting.cs(111,43): error CS1502: The best overloaded method match
 for `Pango.CairoHelper.ShowLayout(Cairo.Context, Pango.Layout)' has some
 invalid arguments
 /home/cho/tmp/mono_svn/source/gtk_sharp/pango/pango-sharp.dll (Location of
 the symbol related to previous error)
 ./DemoPrinting.cs(111,43): error CS1503: Argument `#1' cannot convert
 `Cairo.Context' expression to type `Cairo.Context'
 ./DemoPrinting.cs(111,43): (equally named types possibly from different
 assemblies in previous error)

 /usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
 (Location of the symbol related to previous error)
 /usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
 (Location of the symbol related to previous error)
 ./DemoPrinting.cs(125,51): error CS1502: The best overloaded method match
 for `Pango.CairoHelper.ShowLayout(Cairo.Context, Pango.Layout)' has some
 invalid arguments
 /home/cho/tmp/mono_svn/source/gtk_sharp/pango/pango-sharp.dll (Location of
 the symbol related to previous error)
 ./DemoPrinting.cs(125,51): error CS1503: Argument `#1' cannot convert
 `Cairo.Context' expression to type `Cairo.Context'
 ./DemoPrinting.cs(125,51): (equally named types possibly from different
 assemblies in previous error)

 /usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
 (Location of the symbol related to previous error)
 /usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
 (Location of the symbol related to previous error)
 Compilation failed: 7 error(s), 2 warnings
 make[3]: *** [GtkDemo.exe] Error 1
 make[3]: Leaving directory
 `/home/cho/tmp/mono_svn/source/gtk_sharp/sample/GtkDemo'
 make[2]: *** [all-recursive] Error 1
 make[2]: Leaving directory `/home/cho/tmp/mono_svn/source/gtk_sharp/sample'
 make[1]: *** [all-recursive] Error 1
 make[1]: Leaving directory `/home/cho/tmp/mono_svn/source/gtk_sharp'
 make: *** [all] Error 2
 [FATAL].: failed to make GTK-Sharp!


 can you please help me to get mono compiled again?

 thx

 christian
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Re: [Mono-list] GTK-Sharp: Cannot implicitly convert type `Cairo.Context' to `Cairo.Context'

[cornholio]

Hi Alan,

thank you for your response.

no, i didn't follow the guideline, but i removed my old mono installation a
few weeks ago (via ubuntu apt-get remove), so i thought i have a clean svn
installation of mono-svn. it works fine for many days and i did rebuilt the
sources every day (on 2 systems both are broken now, it's a fault of my
build-script for sure)

i am downloading the sources from: anonsvn.mono-project.com and i wrote a
script for checking out /update svn repository and running autogen.sh or
configure.sh scripts (prefix=/usr/local/). 

can you help me how to get rid of the old installation? 

thank you


Alan McGovern-2 wrote:
 
 Hey,
 
 /usr/local/lib/mono/gac/Mono.Cairo/1.0.5000.0__0738eb9f132ed756/Mono.Cairo.dll
 (Location of the symbol related to previous error)
 /usr/local/lib/mono/gac/Mono.Cairo/2.0.0.0__0738eb9f132ed756/Mono.Cairo.dll
 
 You appear to be loading both the 1.0 and 2.0 Mono.Cairo assemblies at the
 same time, this shouldn't happen and is what is causing the issues. My
 guess
 is that you have a broken mono install, as I've been happily compiling
 monodevelop on a daily basis for the last few months.
 
 What commands/arguments did you use to compile mono, gtk and/or
 monodevelop.
 Where did you get the source to compile whatever it is you're compiling,
 what versions of those things are you compiling. Did you follow the
 guidelines here on how to install a parallel mono without breaking your
 system: http://www.mono-project.com/Parallel_Mono_Environments.
 
 Alan.
 
 

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Re: [Mono-list] GTK-Sharp Problems

[Sandy Armstrong]

If you're going to install from source, you need to read and follow this:

http://www.mono-project.com/Parallel_Mono_Environments

Chances are that before, you installed your custom mono into a non-/usr 
prefix, and Banshee was looking for gtk-sharp and friends in the older 
/usr-installed Mono.

But the best thing, as Alan suggests, is to use a recent distro with 
recent Mono packages.  On openSUSE, for example, you can subscribe to a 
repository that gets you preview versions of Mono if you need them.

Sandy

On 03/08/2009 12:54 PM, b0wter wrote:
 Hi,

 thats what i tryed before i posted here. Sorry that i missed to mention
 that.
 But i dont know what to do for an all new clean installation. I guessed i
 have missed some steps the last time i tried (I just used my packet manger
 to remove all packages that i found searching for mono and having to do
 something with the framework).

 Johannes


 Alan McGovern-2 wrote:
 Hi,

 Your best bet would be to undo everything you've done to install
 mono/monodevelop/gtk-sharp and then install the versions supplied in your
 package manager instead. You have a broken install and I couldn't even
 begin
 to offer any sort of hints on how to fix it unless i knew exactly what was
 on your system before and exactly what you did to 'download and install
 mono
 manually'.

 Alan.



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[Mono-list] GTK-Sharp Problems

[b0wter]

I've played around a little with monodevelop and tried downloading and
installing the mono 2.2 which worked fine.
But then i noticed that i couldnt start
[url=http://banshee-project.org/]Banshee[/url], a mono based multi media
player, any more.
I get lots of text in a terminal but the most interesting part seems to be:

---
** (/usr/lib/banshee-1/Banshee.exe:5162): WARNING **: The following assembly
referenced from /usr/lib/banshee-1/Banshee.Services.dll could not be loaded:
 Assembly:   glib-sharp(assemblyref_index=9)
 Version:2.12.0.0
 Public Key: 35e10195dab3c99f
The assembly was not found in the Global Assembly Cache, a path listed in
the MONO_PATH environment variable, or in the location of the executing
assembly (/usr/lib/banshee-1/).


I tried to create a new monodevelop Gtk+ app. Building it works fine but
whenever i try to start it i get the following error:
---
 Assembly:   glib-sharp(assemblyref_index=0)
 Version:2.12.0.0
 Public Key: 35e10195dab3c99f
The assembly was not found in the Global Assembly Cache, a path listed in
the MONO_PATH environment variable, or in the location of the executing
assembly (/home/b0wter/Documents/Projects/bCountdown/bCountdown/bin/Debug/).
---

I tried to install Gtk Sharp 2.12 manually, which seemed to work fine, i
didnt get any errors (but i missed the optional dependancies cairo mono 
and another one i dont remember).
So i tried to figure out if glib-sharp is installed correctly:

b0w...@bowterpad:~$ gacutil -l | grep glib
glib-sharp, Version=2.12.0.0, Culture=neutral,
PublicKeyToken=35e10195dab3c99f
policy.2.10.glib-sharp, Version=0.0.0.0, Culture=neutral,
PublicKeyToken=35e10195dab3c99f
policy.2.4.glib-sharp, Version=0.0.0.0, Culture=neutral,
PublicKeyToken=35e10195dab3c99f
policy.2.6.glib-sharp, Version=0.0.0.0, Culture=neutral,
PublicKeyToken=35e10195dab3c99f
policy.2.8.glib-sharp, Version=0.0.0.0, Culture=neutral,
PublicKeyToken=35e10195dab3c99f

that looks like it should work!?
Now i dont know what to do to get this working again :(
Any ideas?
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Re: [Mono-list] GTK-Sharp Problems

[Alan McGovern]

Hi,

Your best bet would be to undo everything you've done to install
mono/monodevelop/gtk-sharp and then install the versions supplied in your
package manager instead. You have a broken install and I couldn't even begin
to offer any sort of hints on how to fix it unless i knew exactly what was
on your system before and exactly what you did to 'download and install mono
manually'.

Alan.

On Fri, Mar 6, 2009 at 10:45 PM, b0wter evil-klabauterm...@gmx.de wrote:


 I've played around a little with monodevelop and tried downloading and
 installing the mono 2.2 which worked fine.
 But then i noticed that i couldnt start
 [url=http://banshee-project.org/]Banshee[/urlhttp://banshee-project.org/%5DBanshee%5B/url],
 a mono based multi media
 player, any more.
 I get lots of text in a terminal but the most interesting part seems to be:

 ---
 ** (/usr/lib/banshee-1/Banshee.exe:5162): WARNING **: The following
 assembly
 referenced from /usr/lib/banshee-1/Banshee.Services.dll could not be
 loaded:
 Assembly:   glib-sharp(assemblyref_index=9)
 Version:2.12.0.0
 Public Key: 35e10195dab3c99f
 The assembly was not found in the Global Assembly Cache, a path listed in
 the MONO_PATH environment variable, or in the location of the executing
 assembly (/usr/lib/banshee-1/).
 

 I tried to create a new monodevelop Gtk+ app. Building it works fine but
 whenever i try to start it i get the following error:
 ---
 Assembly:   glib-sharp(assemblyref_index=0)
 Version:2.12.0.0
 Public Key: 35e10195dab3c99f
 The assembly was not found in the Global Assembly Cache, a path listed in
 the MONO_PATH environment variable, or in the location of the executing
 assembly
 (/home/b0wter/Documents/Projects/bCountdown/bCountdown/bin/Debug/).
 ---

 I tried to install Gtk Sharp 2.12 manually, which seemed to work fine, i
 didnt get any errors (but i missed the optional dependancies cairo mono 
 and another one i dont remember).
 So i tried to figure out if glib-sharp is installed correctly:

 b0w...@bowterpad:~$ gacutil -l | grep glib
 glib-sharp, Version=2.12.0.0, Culture=neutral,
 PublicKeyToken=35e10195dab3c99f
 policy.2.10.glib-sharp, Version=0.0.0.0, Culture=neutral,
 PublicKeyToken=35e10195dab3c99f
 policy.2.4.glib-sharp, Version=0.0.0.0, Culture=neutral,
 PublicKeyToken=35e10195dab3c99f
 policy.2.6.glib-sharp, Version=0.0.0.0, Culture=neutral,
 PublicKeyToken=35e10195dab3c99f
 policy.2.8.glib-sharp, Version=0.0.0.0, Culture=neutral,
 PublicKeyToken=35e10195dab3c99f

 that looks like it should work!?
 Now i dont know what to do to get this working again :(
 Any ideas?
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Re: [Mono-list] GTK-Sharp Problems

[b0wter]

Hi,

thats what i tryed before i posted here. Sorry that i missed to mention
that.
But i dont know what to do for an all new clean installation. I guessed i
have missed some steps the last time i tried (I just used my packet manger
to remove all packages that i found searching for mono and having to do
something with the framework).

Johannes


Alan McGovern-2 wrote:
 
 Hi,
 
 Your best bet would be to undo everything you've done to install
 mono/monodevelop/gtk-sharp and then install the versions supplied in your
 package manager instead. You have a broken install and I couldn't even
 begin
 to offer any sort of hints on how to fix it unless i knew exactly what was
 on your system before and exactly what you did to 'download and install
 mono
 manually'.
 
 Alan.
 

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Re: [Mono-list] Gtk Fixed Z-order

[Chris Howie]

On Tue, Dec 16, 2008 at 9:24 AM, nickstaves nicksta...@gmail.com wrote:
 Finally I've found solution.

 I used Viewport widget as parent container for popup widget and it's working
 fine, except I still don't understand why it's working ... :)

Hmm.. what happens if you use an EventBox instead of a Viewport?

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Re: [Mono-list] Gtk Fixed Z-order

[nickstaves]

 On Tue, Dec 16, 2008 at 9:24 AM, nickstaves nicksta...@gmail.com wrote:
 Finally I've found solution.

 I used Viewport widget as parent container for popup widget and it's
 working
 fine, except I still don't understand why it's working ... :)

 Hmm.. what happens if you use an EventBox instead of a Viewport?

Working as well.
Thanks for hint!

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Re: [Mono-list] Gtk Fixed Z-order

[Chris Howie]

On Tue, Dec 16, 2008 at 4:30 PM,  nicksta...@codesnippersteam.com wrote:
 Hmm.. what happens if you use an EventBox instead of a Viewport?

 Working as well.
 Thanks for hint!

I believe what's going on here is that some widgets, like labels,
don't require their own Gdk.Window so they just draw on their parent.
The problem is that these widgets will *always* appear under widgets
that have their own Gdk.Window.  EventBox is a widget that draws
nothing but intentionally creates a Gdk.Window for itself.  It's
intended to be used to capture events to things like labels -- since
there is no window to capture the click, you can't tell which widget
received the click except that you know the nearest parent got a
click.  But it also works in situations like this, to give labels and
other such widgets a Window above other widgets to draw on.

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[Mono-list] Gtk Fixed Z-order

[nickstaves]

Dear All

I have a problem with z-order of widgets in Gtk.

I'm trying to show custom popup widget over the main window (for example
in the case of error). I have used Fixed widget and placed there hidden
popup VBox and main VBox which is contain all the main win widgets. When I
want to imitate popup I just show popup VBox and reset Sensitive
property of the main VBox. As result I see popup over main win and main
win is disabled until I response to the popup.
That's working fine except there is a problem with several widgets.
First I faced TreeView widget that is appearing on the top every time,
although it's laying in the main VBox which should be UNDER popup
VBox. And for example Button widget appear under popup VBox as expected
actually...
Googling I have found another description of the same problem

http://www.ruby-forum.com/topic/164534

And there are even more widgets Gtk::Entry and Gtk::ProgressBar with the
same behaviour

Could somebody help me (and not only me :)) with this?

BR
nickstaves



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Re: [Mono-list] Gtk Fixed Z-order

[Chris Howie]

On Fri, Dec 12, 2008 at 5:32 AM,  nicksta...@codesnippersteam.com wrote:
 Yes. Exists. But for my case I need dialog without frame, that cannot be
 moved and main window should not have an ability to be activated while
 dialog is shown. Now when I show modal dialog I could click on the main
 window under and it will cover popup.

 Perhaps someone know how to attribute the dialog with mentioned behaviour?

Without a frame I'm not sure, but if you set the Dialog's TransientFor
property to the parent Window you want it to cover, clicking the
parent will instead raise both the parent and the Dialog, in that
order.  (In other words, it will never allow the parent, disabled
Window from being raised above the Dialog.)

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Re: [Mono-list] Gtk Fixed Z-order

[Chris Howie]

On Fri, Dec 12, 2008 at 4:44 AM,  nicksta...@codesnippersteam.com wrote:
 I'm trying to show custom popup widget over the main window (for example
 in the case of error). I have used Fixed widget and placed there hidden
 popup VBox and main VBox which is contain all the main win widgets.

The Gtk.Dialog class exists for a reason...

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Re: [Mono-list] Gtk Fixed Z-order

[nickstaves]

Thanks. But unfortunately this property does not working in WinXP
(mono-2.0 gtksharp-2.10.4) but - I agree it's working in Linux, at least I
have tried in mono 2.0.1

Anyway - I think Dialog is not that way. Because, if I'll manage to do
smth with Fixed container (or smth else) I could create slide pannel
that could smoothly slide from right edge of the main window. Thats next
feature that planned to be inside my app.

So... maybe somebody know how to resolve the problem?

BR
nickstaves

 Without a frame I'm not sure, but if you set the Dialog's TransientFor
 property to the parent Window you want it to cover, clicking the
 parent will instead raise both the parent and the Dialog, in that
 order.  (In other words, it will never allow the parent, disabled
 Window from being raised above the Dialog.)

 --
 Chris Howie
 http://www.chrishowie.com
 http://en.wikipedia.org/wiki/User:Crazycomputers



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[Mono-list] Gtk# agenda widget

[David Paleino]

Hello *,
I'm writing a software I will use in my future (I'm gonna be a dentist in 2-3
years, and I want to use Debian at work :) ).
I was looking for a GTK# agenda widget: for those of you who might not
understand, something like a grid with Days as columns, and Hours as rows (or
Halfs of hours, or [..]).

Someone pointed me to the Work week view in Evolution, and yes, that's what I
want to achieve.
Is there any Gtk# binding to it? AFAICS from Evolution's code, it's not even a
plain Gtk+ widget -- but a custom widget itself.

Is there anyone who has ever worked on something similar?

I know I might need to wrap that widget by myself -- any
guide/tutorial/help/manual/hint on how to do that? I've only done some
DllImport() in my C# life ;)

Kindly,
David

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Re: [Mono-list] Gtk# agenda widget

[Adam Tauno Williams]

 I'm writing a software I will use in my future (I'm gonna be a dentist in 2-3
 years, and I want to use Debian at work :) ).
 I was looking for a GTK# agenda widget: for those of you who might not
 understand, something like a grid with Days as columns, and Hours as rows (or
 Halfs of hours, or [..]).

http://docs.google.com/Doc?id=ddv5htgd_23c4spt3gj

 Someone pointed me to the Work week view in Evolution, and yes, that's what 
 I
 want to achieve.
 Is there any Gtk# binding to it? AFAICS from Evolution's code, it's not even a
 plain Gtk+ widget -- but a custom widget itself.

None, that I'm aware of.

 Is there anyone who has ever worked on something similar?

Yes, me.  I've created a DayView that draws itself with Cairo.  It needs
polish but it renders and can plot events (with a few bugs).

http://code.google.com/p/consonance/source/browse/#svn/trunk/Whitemice.Gtk/Calendar

 I know I might ned to wrap that widget by myself -- any
 guide/tutorial/help/manual/hint on how to do that? I've only done some
 DllImport() in my C# life ;)


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Re: [Mono-list] Gtk# agenda widget

[David Paleino]

On Thu, 20 Nov 2008 16:27:37 -0500, Adam Tauno Williams wrote:

  I'm writing a software I will use in my future (I'm gonna be a dentist in
  2-3 years, and I want to use Debian at work :) ).
  I was looking for a GTK# agenda widget: for those of you who might not
  understand, something like a grid with Days as columns, and Hours as rows
  (or Halfs of hours, or [..]).
 
 http://docs.google.com/Doc?id=ddv5htgd_23c4spt3gj

Yes, exactly! :)

  Someone pointed me to the Work week view in Evolution, and yes, that's
  what I want to achieve.
  Is there any Gtk# binding to it? AFAICS from Evolution's code, it's not
  even a plain Gtk+ widget -- but a custom widget itself.
 
 None, that I'm aware of.

Uhm, ok.

  Is there anyone who has ever worked on something similar?
 
 Yes, me.  I've created a DayView that draws itself with Cairo.  It needs
 polish but it renders and can plot events (with a few bugs).
 
 http://code.google.com/p/consonance/source/browse/#svn/trunk/Whitemice.Gtk/Calendar

Great!
I hope I can help a bit with this project, then!

Thanks for your help, I'm going to checkout the repository and take a look at
the code...

Thanks again,
David

-- 
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Re: [Mono-list] Gtk# agenda widget

[Adam Tauno Williams]

   I'm writing a software I will use in my future (I'm gonna be a dentist in
   2-3 years, and I want to use Debian at work :) ).
   I was looking for a GTK# agenda widget: for those of you who might not
   understand, something like a grid with Days as columns, and Hours as rows
   (or Halfs of hours, or [..]).
  http://docs.google.com/Doc?id=ddv5htgd_23c4spt3gj
 Yes, exactly! :)
   Someone pointed me to the Work week view in Evolution, and yes, that's
   what I want to achieve.
   Is there any Gtk# binding to it? AFAICS from Evolution's code, it's not
   even a plain Gtk+ widget -- but a custom widget itself.
  None, that I'm aware of.
 Uhm, ok.

Was referring specifically to a Gtk# binding for the evolution widgets.
Poorly placed in the response.

   Is there anyone who has ever worked on something similar?
  Yes, me.  I've created a DayView that draws itself with Cairo.  It needs
  polish but it renders and can plot events (with a few bugs).
 http://code.google.com/p/consonance/source/browse/#svn/trunk/Whitemice.Gtk/Calendar
 Great!
 I hope I can help a bit with this project, then!

Any help is welcome.  If you end up hacking on it I've got no issue with
moving the Calendar widgetry out into it's own project.  Gtk# really
could use more high-level widgets (agenda, calendar, etc...)

 Thanks for your help, I'm going to checkout the repository and take a look at
 the code...

I'm not a real developer so it might be scary!


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Re: [Mono-list] [Gtk-sharp-list] pinvoke and benchmarks

[Martin (OPENGeoMap)]

Hi:
 On Fri, Sep 12, 2008 at 11:22 AM, Martin (OpenGeoMap)
 [EMAIL PROTECTED] wrote:
   
 is it better used a library only created with C or the pinvoke is fast???
 In my imagination i see the pinvoke system trying to find a funtion
 every time and if i have 10 million of lidar data perhaps this is really
 slowly
 

 I doubt that Mono is so dumb that it doesn't remember function entry
 points.  More likely, it's taking some time to marshal data over the
 managed boundary.
   
I would like know like MONO and .NET do this job.
 Without seeing any code it's going to be difficult to diagnose
 anything.  Note that things like Gtk# make heavy use of p/invoke and
 seem fairly fast, so I don't think the use of p/invoke alone is the
 problem.
   
Here is the CAPI in csharp:
http://liblas.org/browser/trunk/csharp/dotnetLibLAS/LibLASCAPI.cs

Here a module in c# creating the classes:
http://liblas.org/browser/trunk/csharp/dotnetLibLAS/LASPoint.cs

Here the C API:

http://liblas.org/browser/trunk/src/las_c_api.cpp

This library was created in C++ with exceptions, namespaces, overloads, 
etc, etc...
The C API broke this C++ API in a C API.
 (Also, this question would be better directed to the main Mono mailing
 list, as it has nothing to do with Gtk#.)

   
Yes. thank you for redirect the mono list.


Regards.


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Re: [Mono-list] [Gtk-sharp-list] pinvoke and benchmarks

[Chris Howie]

On Fri, Sep 12, 2008 at 11:22 AM, Martin (OpenGeoMap)
[EMAIL PROTECTED] wrote:
 is it better used a library only created with C or the pinvoke is fast???
 In my imagination i see the pinvoke system trying to find a funtion
 every time and if i have 10 million of lidar data perhaps this is really
 slowly

I doubt that Mono is so dumb that it doesn't remember function entry
points.  More likely, it's taking some time to marshal data over the
managed boundary.

Without seeing any code it's going to be difficult to diagnose
anything.  Note that things like Gtk# make heavy use of p/invoke and
seem fairly fast, so I don't think the use of p/invoke alone is the
problem.

(Also, this question would be better directed to the main Mono mailing
list, as it has nothing to do with Gtk#.)

-- 
Chris Howie
http://www.chrishowie.com
http://en.wikipedia.org/wiki/User:Crazycomputers
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[Mono-list] Gtk MessageDialog message length

[Steve Harp]

Hi All,

 

I'm writing an exception handler which displays exceptions (via ToString()
to get the most detail) with MessageDialog.  I've noticed that with some
exceptions, the dialog box displays very small and with no message content.
I found that if I Substring() the text to shorten the message, the dialog
will display correctly.  I'm assuming there is a limitation on message
length but I can't find any documentation that tells me what that limitation
might be.  Does anyone know if there is such a limitation and, if so, what
it is?

 

Thanks,

Steve 

 

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Re: [Mono-list] [Gtk-sharp-list] Need help in compilation

[Mike Kestner]

On Mon, 2008-02-25 at 16:25 +0800, Marc Glenn wrote:
 Hello folks,
 
  I installed the mono-1.2.5.1 installer for windows xp. It has
 gtk-sharp 2.10 and gnome 2.16 included.
  
  I also found PrintSample.cs in the samples directory. This
 PrintSample.cs uses the Gnome namespace to print.

You should use the Gtk printing capability.  Gnome.Print is deprecated
now and relies on libgnomeprintui which is probably not available for
win32.

There is a sample of how to use Gtk.Print in the GtkDemo application
located in gtk-sharp/samples.


-- 
Mike Kestner [EMAIL PROTECTED]

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Re: [Mono-list] [Gtk-sharp-list] Need help in compilation

[Marc Glenn]

Thanks for the reply. :)

Actually, I tried using the example in the GtkDemo first. But when I try 
to use the PrintOperationAction.PrintDialog property, I can't seem to 
find a way to make the dialog modal with the parent because I don't have 
a reference to the actual dialog widget.


I also can't find documentations for the PrintContext or PrintOperation 
class. Do you know any documentation for these classes?


Mike Kestner wrote:

On Mon, 2008-02-25 at 16:25 +0800, Marc Glenn wrote:
  

Hello folks,

 I installed the mono-1.2.5.1 installer for windows xp. It has
gtk-sharp 2.10 and gnome 2.16 included.
 
 I also found PrintSample.cs in the samples directory. This

PrintSample.cs uses the Gnome namespace to print.



You should use the Gtk printing capability.  Gnome.Print is deprecated
now and relies on libgnomeprintui which is probably not available for
win32.

There is a sample of how to use Gtk.Print in the GtkDemo application
located in gtk-sharp/samples.


  
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Re: [Mono-list] [Gtk-sharp-list] Check Process state in an GUI app

[Chris Howie]

On Jan 21, 2008 11:58 AM, hellboy195 [EMAIL PROTECTED] wrote:
 hi,
 I'm currently trying to write a very very simple front-end for ffmpeg with
 gtk#.
 My Code looks like this:

 First I check if a file already exits with File.Exits(path)
 MessageDialog - Overwrite YesNO.

 Then the I start ffmpeg with Process.Start().
 Then I want show a MessageDialog if the process finished so I did it like :

 while(!proc.HasExited) {}
 MessageDialog - Encoding finished;

 This is working good but this causes some bugs. E.g: If I do Overwrite it
 yes. The MessageDialog isn't destroyed until the process finished. If I
 delete this while {} it's working correct but the Message appears
 immediately and not after the process hast Finished. Using if is also not
 that good I suppose :/

 Any solution? Thx in advance :)

The problem is that you are waiting for the operation to complete on
the GUI thread.  You have destroyed the dialog, but Gtk cannot
actually remove the dialog from the screen until you give control back
to the main GUI loop.

What you want to do is either add an idle handler or spin off another
thread to take care of it.  An idle handler would probably be easiest
for your purpose:

// Message dialog code
Process proc = ...;
GLib.Idle.Add(delegate {
if (proc.HasExited) {
// Show dialog.
return false; // Remove this delegate from the idle list.
}

return true; // Run this delegate again when idle.
});

Note that this approach can burn quite a bit of CPU running the idle
delegate.  You may want to try attaching an event handler to
Process.Exited instead:

proc.EnableRaisingEvents = true;
proc.Exited += delegate {
Application.Invoke(delegate {
// Show dialog.
});
};

Note that you must call Application.Invoke because the Exited event
handler will not be running on the GUI thread, and you should not
touch the GUI from other threads.  Application.Invoke puts a delegate
in a queue to be executed on the GUI thread the next time the main
loop is entered.

-- 
Chris Howie
http://www.chrishowie.com
http://en.wikipedia.org/wiki/User:Crazycomputers
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[Mono-list] Gtk# Treeview RulesHint in windows

[Iggy]

In linux RulesHint in a treeview works, but it does't show up in
windows. Can anybody tell me how to get the RulesHint in windows
please? Thanks!
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Re: [Mono-list] GTK# on Windows since Mono 1.2...

[David Cantin]

Hi, I have a similar problem than you with my gtk# applications on Windows. 
But, I was able to solve your test case by using the gtk-sharp-2.10 assembly 
instead of gtk-sharp.

So use 
mcs -pkg:gtk-sharp-2.10 test2.cs 
instead of 
mcs -pkg:gtk-sharp test2.cs

But, that didn't solve mine. I'm trying to create a simple test case. But my 
bug is difficult to reproduce in a simple application... anyway.. maybe more on 
that later.

David

Le mercredi 28 novembre 2007 à 12:17 -0500, Philip Covington a écrit :
 Hello,
 
 I am using GTK# with Mono on Windows.  The following test program
 works on Mono versions 1.2 and older.  On Mono versions 1.2.1 and
 later (all the way to 1.2.5.2) when I click the button widget, I get
 an error (see below).  I have included the test app (test2.cs) and the
 command line arguments used to compile it below.  I have the exact
 same problem with Glade#.  The test program is copied off of the GTK#
 tutorial page.
 
 This seems to be a problem since 1.2.1, but I was surprised not to
 have found any information about this problem in searching around.
 Should I be using GTK# on Windows or is no one actually using it on
 Windows (hence no bug report)?
 
 Thanks,
 Phil Covington
 http://www.philcovington.com
 
 -
 test2.cs:
 -
 using Gtk;
 using System;
 
 public class ButtonApp  {
 
  public static int Main (string[] args)
  {
   Application.Init ();
   Window win = new Window (Button Tester);
   win.SetDefaultSize (200, 150);
   win.DeleteEvent += new DeleteEventHandler (Window_Delete);
   Button btn = new Button (Click Me);
   btn.Clicked += new EventHandler (btn_click);
   win.Add (btn);
   win.ShowAll ();
   Application.Run ();
   return 0;
  }
 
  static void btn_click (object obj, EventArgs args)
  {
   Console.WriteLine (Button Clicked);
  }
 
  static void Window_Delete (object obj, DeleteEventArgs args)
  {
   Application.Quit ();
   args.RetVal = true;
  }
 }
 -
 
 test2.cs compiled with:
 
 mcs -pkg:gtk-sharp test2.cs
 
 run:
 
 mono test2.exe
 
 
 Mono 1.2:
 
 C:\Data\projectmono test2.exe
 Button Clicked
 Button Clicked
 Button Clicked
 Button Clicked
 
 C:\Data\project
 
 -
 Mono 1.2.1:
 
 C:\Data\projectmono test2.exe
 Button Clicked
 
 =
 Got a SIGSEGV while executing native code. This usually indicates
 a fatal error in the mono runtime or one of the native libraries
 used by your application.
 =
 
 Stacktrace:
 
   at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x4
   at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x
   at Gtk.Application.Run () 0x7
   at ButtonApp.Main (string[]) 0x000f2
   at (wrapper runtime-invoke) System.Object.runtime_invoke_int_string[] 
 (object,
 intptr,intptr,intptr) 0x
 
 This application has requested the Runtime to terminate it in an unusual way.
 Please contact the application's support team for more information.
 
 C:\Data\project
 ---
 
 Mono 1.2.5.2:
 
 
 C:\Data\projectmono test2.exe
 Button Clicked
 Stacktrace:
 
   at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x4
   at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x
   at Gtk.Application.Run () 0x7
   at ButtonApp.Main (string[]) 0x000ee
   at (wrapper runtime-invoke) ButtonApp.runtime_invoke_int_string[] 
 (object,intp
 tr,intptr,intptr) 0x
 
 This application has requested the Runtime to terminate it in an unusual way.
 Please contact the application's support team for more information.
 
 C:\Data\project
 ---
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[Mono-list] GTK# on Windows since Mono 1.2...

[Philip Covington]

Hello,

I am using GTK# with Mono on Windows.  The following test program
works on Mono versions 1.2 and older.  On Mono versions 1.2.1 and
later (all the way to 1.2.5.2) when I click the button widget, I get
an error (see below).  I have included the test app (test2.cs) and the
command line arguments used to compile it below.  I have the exact
same problem with Glade#.  The test program is copied off of the GTK#
tutorial page.

This seems to be a problem since 1.2.1, but I was surprised not to
have found any information about this problem in searching around.
Should I be using GTK# on Windows or is no one actually using it on
Windows (hence no bug report)?

Thanks,
Phil Covington
http://www.philcovington.com

-
test2.cs:
-
using Gtk;
using System;

public class ButtonApp  {

 public static int Main (string[] args)
 {
  Application.Init ();
  Window win = new Window (Button Tester);
  win.SetDefaultSize (200, 150);
  win.DeleteEvent += new DeleteEventHandler (Window_Delete);
  Button btn = new Button (Click Me);
  btn.Clicked += new EventHandler (btn_click);
  win.Add (btn);
  win.ShowAll ();
  Application.Run ();
  return 0;
 }

 static void btn_click (object obj, EventArgs args)
 {
  Console.WriteLine (Button Clicked);
 }

 static void Window_Delete (object obj, DeleteEventArgs args)
 {
  Application.Quit ();
  args.RetVal = true;
 }
}
-

test2.cs compiled with:

mcs -pkg:gtk-sharp test2.cs

run:

mono test2.exe


Mono 1.2:

C:\Data\projectmono test2.exe
Button Clicked
Button Clicked
Button Clicked
Button Clicked

C:\Data\project

-
Mono 1.2.1:

C:\Data\projectmono test2.exe
Button Clicked

=
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=

Stacktrace:

  at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x4
  at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x
  at Gtk.Application.Run () 0x7
  at ButtonApp.Main (string[]) 0x000f2
  at (wrapper runtime-invoke) System.Object.runtime_invoke_int_string[] (object,
intptr,intptr,intptr) 0x

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

C:\Data\project
---

Mono 1.2.5.2:


C:\Data\projectmono test2.exe
Button Clicked
Stacktrace:

  at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x4
  at (wrapper managed-to-native) Gtk.Application.gtk_main () 0x
  at Gtk.Application.Run () 0x7
  at ButtonApp.Main (string[]) 0x000ee
  at (wrapper runtime-invoke) ButtonApp.runtime_invoke_int_string[] (object,intp
tr,intptr,intptr) 0x

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

C:\Data\project
---
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[Mono-list] Gtk#

[cichlasoma]

 hi. when i create a gtk# application in sharpdevelop and i try to run it, it 
compiles, yet i get Exception System.DllNotFoundException was thrown in 
debuggee: cannot load the DLL library (glibsharpglue). (the part after the 
semicolon baeing in my language.) i'm on windows xp, have mono 1.2.5.1 
installed, the named dll is in the mono\bin directory. any ideas what could be 
the problem, please?

and a question more - how do i set a .NET application to run on mono istead of 
.NET if i have the both istalled. (if possible.)

TIA

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Re: [Mono-list] Gtk#

[Brenton Partridge]

Hi,

On Oct 14, 2007, at 1:27 AM, [EMAIL PROTECTED]  
[EMAIL PROTECTED] wrote:

  hi. when i create a gtk# application in sharpdevelop and i try to  
 run it, it compiles, yet i get Exception  
 System.DllNotFoundException was thrown in debuggee: cannot load the  
 DLL library (glibsharpglue). (the part after the semicolon baeing  
 in my language.) i'm on windows xp, have mono 1.2.5.1 installed,  
 the named dll is in the mono\bin directory. any ideas what could be  
 the problem, please?

Just warning you, I'm a little bit of a noob at this, so there's no  
guarantee, but you could try either of these:

a) Put the dll in the mono\lib directory and recompile.

b) If that doesn't work, put the dll somewhere else, navigate to the  
directory where the dll is, and run:
$ gacutil -i glibsharpglue.dll
See http://www.mono-project.com/Assemblies_and_the_GAC


 and a question more - how do i set a .NET application to run on  
 mono istead of .NET if i have the both istalled. (if possible.)

Try running it it using the mono command from the command line, i.e.
$ mono my_app.exe
instead of double clicking it or running
$ my_app.exe

HTH,
Brenton

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[Mono-list] gtk-sharp packages available for openmoko phone

[Cliff Brake]

Henryk Plötz has finished the gtk-sharp package and it is now
available in the mono feed:

add the following to a /etc/ipkg/*-feed.conf file:
src/gz mono-armv4t http://dev.bec-systems.com/feed/openmoko/mono

ipkg update
ipkg install libgtk2.0-cil

I have tested a simple mono gtk single window application.

The following components are dependencies of libgtk2.0-cil and are
installed automatically:

libglib2.0-cil
libgtk2.0-cil
libmono-cairo1.0-cil
libmono-corlib1.0-cil
libmono-system1.0-cil
mono
mono-common
mono-jit

The above components only require 3.9MB of space -- that seems pretty
decent for mono gtk support.

The gtk-sharp OE recipe should also be a useful reference for how to
add mono packages to OE.

Cliff

-- 
===
Cliff Brake
http://bec-systems.com
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Re: [Mono-list] Gtk# Problems

[Eskil Bylund]

2007/9/23, Brandon Perry [EMAIL PROTECTED]:
 After a conversation about Qyoto/Kimono vs Gtk on the Mono-Dev list, I
 decided to try out Glade3. I made a simple test GUI and it compiles
 fine, but when I run it, I get the following error:

 [EMAIL PROTECTED]:~$ mono main.exe

 (GladeTest:27865): libglade-CRITICAL **: glade_xml_build_interface:
 assertion `wid != NULL' failed

 Unhandled Exception: System.NullReferenceException: A null value was
 found where an object instance was required.
   at GladeApp..ctor (System.String[] args) [0x0]
   at GladeApp.Main (System.String[] args) [0x0]
 [EMAIL PROTECTED]:~$

 The code is attached, thanks.

Hi Brandon,

Could you attach the glade file as well? My first guess would be that
it's the same problem as mentioned on http://www.ogmaciel.com/?p=225

Eskil
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[Mono-list] GTK TreeView + Scrolling

[John Anderson]

Hey, I've been going through the tutorial for
http://www.mono-project.com/GtkSharp_TreeView_Tutorial since this is my
first time using gtk and the treeview.   I have it all working but as I fill
the grid it autosizes and I can't shrink the window its in.  I would like to
define a size for the treeview and get scrollbars after the data gets past
that size, how can I do this?
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Re: [Mono-list] GTK TreeView + Scrolling

[Adam Tauno Williams]

On Fri, 2007-08-24 at 00:04 -0600, John Anderson wrote:
 Hey, I've been going through the tutorial for
 http://www.mono-project.com/GtkSharp_TreeView_Tutorial since this is
 my first time using gtk and the treeview.   I have it all working but
 as I fill the grid it autosizes and I can't shrink the window its in.
 I would like to define a size for the treeview and get scrollbars
 after the data gets past that size, how can I do this? 

Put the TreeView inside a ScrolledWindow.


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[Mono-list] gtk-sharp with directfb backend

[Spencer, Matthew]

Hi All
 
I am trying to get gtk-sharp working without X support (ie by using the
directfb version of gtk).  The demo app gtk-demo works fine.
 
To achieve this, I have changed the dll mapping in gtk-sharp.dll.config
to:
  dllmap dll=libgtk-win32-2.0-0.dll
target=libgtk-directfb-2.0.so.0/
 
I have created a simple class that inherits from DrawingArea
 
class TestClass : DrawingArea {
}
 
When I create an instance of TestClass, the runtime bombs out:
 
(!) [ 4220:0.000] -- Caught signal 24 (unknown origin) --
 
Any ideas what the problem might be?  I am running on an arm based
platform.
 
Cheers
 
Matt
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Re: [Mono-list] gtk-sharp with directfb backend

[Paolo Molaro]

On 08/22/07 Spencer, Matthew wrote:
 I am trying to get gtk-sharp working without X support (ie by using the
 directfb version of gtk).  The demo app gtk-demo works fine.
  
 To achieve this, I have changed the dll mapping in gtk-sharp.dll.config
 to:
   dllmap dll=libgtk-win32-2.0-0.dll
 target=libgtk-directfb-2.0.so.0/
  
 I have created a simple class that inherits from DrawingArea
  
 class TestClass : DrawingArea {
 }
  
 When I create an instance of TestClass, the runtime bombs out:
  
 (!) [ 4220:0.000] -- Caught signal 24 (unknown origin) --
  
 Any ideas what the problem might be?  I am running on an arm based
 platform.

Did you also recompile gtk-sharp with the directfb-targeted gtk?
Gtk# uses a few helper shared libs that would be linked against the x11
version and changing the config file wouldn't be enough (also gdk names
need changing).
As for signal 24: how are you getting that? It's likely one of the
signals used by the GC: if you get an error, post that, the above is not
printed by mono.

lupus

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[Mono-list] GTK+ on Mono Windows Installer 1.2.4

[Daniel Morgan]

Since menus were not showing properlY, I took the gtk+
runtime from Pidgeon (used to be called Gaim) and put
it in my mono installation prefix.  Now, the menus
show up properly.  This is on windows vista.
According to pidgeon, the gtk+ runtime is 2.10.11.
I tested this via SQL# GTK.


   
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[Mono-list] GTK#

[Fabrício]

Gtk-sharp installer for Windows(gtksharp-2.8.3-win32-0.0.exe) and Gtk-sharp 
runtime for Windows(gtksharp-runtime-2.8.3-win32-0.0.exe) are different?
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Re: [Mono-list] GTK#

[Adam Tauno Williams]

On Mon, 2007-05-14 at 17:59 -0300, Fabrício wrote:
 Gtk-sharp installer for Windows(gtksharp-2.8.3-win32-0.0.exe) and
 Gtk-sharp runtime for Windows(gtksharp-runtime-2.8.3-win32-0.0.exe)
 are different?
 What are these differences?

One is the SDK and the other is the runtime?


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[Mono-list] GTK# for .NET 2.0

[Tom Opgenorth]

Hello,

I'm just getting started with GTK#, and I was curious if there is a
Win32 installer specifically for .NET 2.0?  I found the Win32
installer for .NET 1.1 - should I just use that?

Thx.
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[Mono-list] Gtk# Datagrid? Reporting?

[Austin Winstanley]

Is there a good Gtk# Datagrid available? And what about Gtk# Reporting? I am
trying to create a business application and I would like to use Gtk# to do
it, but a good Datagrid and Reporting are imperative to the project...

--
Thanks,
Austin Winstanley
Tradelogic Software Group
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Re: [Mono-list] Gtk# Datagrid? Reporting?

[Luciano _]

The best place to ask this is gtksharp-list
http://lists.ximian.com/mailman/listinfo/gtk-sharp-list
but,
You could use a custom control to replace a datagrid (which is more 
powerfull), you can use as example this link:
http://www.koders.com/csharp/fid35B0BB6652E5E3DC79DA1B7EA402F777E1912A84.aspx?s=datagrid+Gtk
It use a Gtk.VBox to make the datagrid.

Bye
Luciano


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Is there a good Gtk# Datagrid available? And what about Gtk# Reporting? I 
am
trying to create a business application and I would like to use Gtk# to do
it, but a good Datagrid and Reporting are imperative to the project...

--
Thanks,
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Tradelogic Software Group


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Re: [Mono-list] [Gtk-sharp-list] Thread-safe GUI update

[Chris Seaton]

You want to use a semaphore. After AppendAvalues you signal. In place  
of Thread.Sleep you wait on that signal. Something vaguely like

Semaphore semaphore = new Semaphore(0, 1);

while (Messages.Count  0) {
msg = (Message) Messages.Dequeue();
send(msg);

  Gtk.Application.Invoke(delegate {
treeStore.AppendAvalues(msg.To, msg.Text);
semaphore.Release(1);
});

semaphore.WaitOne();
}

Chris Seaton

On 22 Mar 2007, at 20:31, Leon Stringer wrote:

 Hi,

 I'm updating a list (TreeView with TreeStore) from a thread when
 processing some items, something like:

 while (Messages.Count  0) {
   msg = (Message) Messages.Dequeue();
   send(msg);

  Gtk.Application.Invoke(delegate {
   treeStore.AppendAvalues(msg.To, msg.Text);
   });

   Thread.Sleep(0);
 }

 There's another thread adding messages to the message queue.

 The problem is that sometimes the Gtk.Application.Invoke() is executed
 after I've dequeued the next message so the wrong item is added to the
 list. I could stick a greater value in Thread.Sleep() but this  
 would be
 a kludge. Is there any thread-safe way to do this?

 (Mono 1.1.13.8 for Windows)

 Thanks in advance,

 Leon...
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[Mono-list] GTK# Treeview/Dataset example

[tom potts]

Is there an example anywhere of using a Treeview
widget and a DataSet in a similar way to the DataGrid
in windows forms?
It seems to be requested on the forums frequently but
I've never found one.
Or tips on how to do it and I'll try and put one
together.
Tom




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[Mono-list] Gtk-sharp-2.10.0.0 for MS Windows

[Adam Wood]

Hi,

Can anyone please tell me where I can download the gtk-sharp runtime for 
windows version 2.10.0.0.

I can only find 2.8.3 and I've looked everywhere I can think of.

Thanks in advance for any help.

Adam Wood
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Re: [Mono-list] Gtk-sharp-2.10.0.0 for MS Windows

[David Anes]

Hi Adam.

As far as I know, Gtk# 2.10 for Windows has some bugs and so there is no
current version available. Recently has been a discussion about that in the
list.
I CP the explanation that gave Cody recently:

Hi Matteo,

I'm also from Medsphere, and I just want to point out that this is
actually gtk# 2.8, but it's GTK+ 2.10.7 underneath that.  There seems to
be a bug currently in gtk# 2.10 that is preventing us from using it:
   http://bugzilla.ximian.com/show_bug.cgi?id=79993

/ Cody

We are all awaiting the release of gtk# 2.10 for Win :(

David Anes.

2007/3/3, Adam Wood [EMAIL PROTECTED] :


Hi,

Can anyone please tell me where I can download the gtk-sharp runtime for
windows version 2.10.0.0.

I can only find 2.8.3 and I've looked everywhere I can think of.

Thanks in advance for any help.

Adam Wood
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Re: [Mono-list] Gtk-sharp-2.10.0.0 for MS Windows

[David Anes]

Well,
that discussion was actually in the gtk# mailing list, I've forgot to
mention this.

David Anes.

2007/3/3, David Anes [EMAIL PROTECTED]:


Hi Adam.

As far as I know, Gtk# 2.10 for Windows has some bugs and so there is no
current version available. Recently has been a discussion about that in the
list.
I CP the explanation that gave Cody recently:

Hi Matteo,

I'm also from Medsphere, and I just want to point out that this is
actually gtk# 2.8, but it's GTK+ 2.10.7 underneath that.  There seems to
be a bug currently in gtk# 2.10 that is preventing us from using it:
http://bugzilla.ximian.com/show_bug.cgi?id=79993

/ Cody

We are all awaiting the release of gtk# 2.10 for Win :(

David Anes.

2007/3/3, Adam Wood  [EMAIL PROTECTED] :

 Hi,

 Can anyone please tell me where I can download the gtk-sharp runtime for

 windows version 2.10.0.0.

 I can only find 2.8.3 and I've looked everywhere I can think of.

 Thanks in advance for any help.

 Adam Wood
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Re: [Mono-list] Gtk# Recommendation

[rolandpish]

Adam and Maciej, thanks a lot for your replies.
I made a little test using Glade and Monodevelop.
As Adam said, Monodevelop seems a little bit easier to use than Glade,
Monodevelop doesn't have an installer for Windows yet and I know I will
need someday to develop under Windows.
In the meantime I can start those projects under Linux.

Thanks a lot and any other suggestion is appreciated.

Best Regards

Roland
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[Mono-list] Gtk# Recommendation

[rolandpish]

Hi there.
Recently I installed mono 1.2.2.1 under openSuSE 10.2 and started to use
monodevelop.
With monodevelop I'm able to start a new Gtk# project and it has a GUI
designer for Gtk# projects.
Although, I've been testing GLADE too.
Both Monodevelop's Gtk# GUI and GLADE seem great to me.
I want to start some projects under mono but I would like suggestions on
which GUI to use: Gtk# or GLADE.
I'm newbie in this, I've been programming in C# under .NET Framework and I
want to start using mono
and leave .NET Framework.

Thanks in advance

Regards
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Re: [Mono-list] Gtk# Recommendation

[Maciej Piechotka]

On Wed, 03 Jan 2007 13:22:16 -0800, rolandpish wrote:

 Hi there.
 Recently I installed mono 1.2.2.1 under openSuSE 10.2 and started to use
 monodevelop.
 With monodevelop I'm able to start a new Gtk# project and it has a GUI
 designer for Gtk# projects.
 Although, I've been testing GLADE too.
 Both Monodevelop's Gtk# GUI and GLADE seem great to me.
 I want to start some projects under mono but I would like suggestions on
 which GUI to use: Gtk# or GLADE.
 I'm newbie in this, I've been programming in C# under .NET Framework and I
 want to start using mono
 and leave .NET Framework.
 
 Thanks in advance
 
 Regards

Glade is build on top of Gtk+. I think you should learn Gtk+/Gtk# first to
fully use Glade/Glade#.

Regards
PS. Monodevelop use stetic. which is compatible with glade.
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[Mono-list] gtk-sharp was not found

[kamel]

Hi,,


Linux jihbedunix.openunix.local 2.6.18-1.2798.fc6 #1
SMP Mon Oct 16 14:39:22 EDT 2006 x86_64 x86_64 x86_64
GNU/Linux

$ mcs test.cs -pkg:gtk-sharp
Package gtk-sharp was not found in the pkg-config
search path.
Perhaps you should add the directory containing
`gtk-sharp.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gtk-sharp' found
error CS8027: Error running pkg-config. Check the
above output.

How to solve this problem ??

Thank you 

kamel 


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Re: [Mono-list] gtk-sharp was not found

[Maciej Piechotka]

On Wed, 13 Dec 2006 05:14:06 -0800, kamel wrote:

 Hi,,
 
 
 Linux jihbedunix.openunix.local 2.6.18-1.2798.fc6 #1
 SMP Mon Oct 16 14:39:22 EDT 2006 x86_64 x86_64 x86_64
 GNU/Linux
 
 $ mcs test.cs -pkg:gtk-sharp
 Package gtk-sharp was not found in the pkg-config
 search path.
 Perhaps you should add the directory containing
 `gtk-sharp.pc'
 to the PKG_CONFIG_PATH environment variable
 No package 'gtk-sharp' found
 error CS8027: Error running pkg-config. Check the
 above output.
 
 How to solve this problem ??
 

Do you have gtk-sharp installed?

Regards

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[Mono-list] Gtk# With Webservices

[kamel]

Hi,,


Is what one can write combined GTK # with the
webservices?

Thank you 

Kamel 

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Re: [Mono-list] Gtk# With Webservices

[Adam Tauno Williams]

 Is what one can write combined GTK # with the
 webservices?

Sure, we use web services from Gtk# apps all the time.  The two don't
really have anything to do with each other.

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Re: [Mono-list] GTK# DataGrid sample

[Andrus]

Daniel,

thank you.
I found the following disadvantages of this code compared to SWF:

1. As you wrote, this is only one-way binding.
2. Requires lot of manually written code.
3. Unfinished, not documented and tested.

In case of WinForms I need to write manually only 3 lines for two-way data 
binding:

Command1.CommandText = select * FROM mytable;
DataAdapter1.Fill(dataSet1);
DataSource = dataSet1.Tables[0];

Other code is generated by free Visual C# Express 2005  automatically and 
works in MONO.

I have no experience to develop this in GTK#
So I think I will try use WinForms data binding.

Thank you very much for this sample. Now I understand that this can be 
implemented in GTK# also

Andrus.

- Original Message - 

I have something I have worked on for awhile.

 Here are the source files I included:
 DataGrid.cs - creates a DataGrid for Gtk# with data
 binding support.
 TestDataGrid.cs - tests the gtk# data grid

 Basically, you can take a pre-loaded DataTable, and
 then data bind it to the DataGrid.  It may not be
 true data binding like SWF or webforms, but its an
 attempt.

 A change to the data in the DataGrid will update the
 data in the DataTable.
 If you add a row or delete a row in the DataGrid, it
 will be reflected in the DataTable.  If you modify a
 cell in the DataGrid, the row and column in the
 DataTable will be updated.  However, modifying
 something in the DataTable does not update the
 DataGrid.

 In the test, there are four menu items:
 1. Add Row - adds a row
 2. Dump Table - dumps to the console what's in the
 DataTable
 3. Editable - sets the DataGrid editable or not
 4. Delete Selected Row - deletes the highlighted row

 The DataGrid is implemented using a Gtk# TreeView
 using the ListStore tree model.

 I need to edit DataTable returned by Npgsql in grid.
 I'm studying GTK# and WinForms DataGrid  for this.
 It would be nice if sqlsharpgtk allows edit tables
 in grid.
 I was looking for a sample GTK# code which allows to
 edit DataTable in grid
 but have'nt found any.
 So I think I will use WinForms.






 // DataGrid.cs
 namespace Mono.Data.GtkSharp
 {
 // notice System.Data is not references here

 using System;
 using System.Collections;
 using System.ComponentModel;
 using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Text;

 using GLib;
 using Gtk;

 public class DataGridColumn
 {
 private string columnName = ;
 private TreeViewColumn treeViewColumn = null;
 public CellRendererText Renderer = null; // should be internal

 public string ColumnName {
 get {
 return columnName;
 }
 set {
 columnName = value;
 }
 }

 public TreeViewColumn TreeViewColumn {
 get {
 return treeViewColumn;
 }
 set {
 treeViewColumn = value;
 }
 }
 }

 public class DataGrid : VBox {
 private ListStore store;
 private TreeView treeView;

 public ArrayList gridColumns; // TODO: make Columns a collection

 public DataGrid () : base(false, 4) {
 ScrolledWindow sw = new ScrolledWindow ();
 this.PackStart (sw, true, true, 0);

 treeView = new TreeView (store);
 treeView.HeadersVisible = true;
 //treeView.ModifyFont (Pango.FontDescription.FromString (courier new));

 gridColumns = new ArrayList(0);

 sw.Add (treeView);

 store = new ListStore (GLib.GType.String);

 treeView.EnableSearch = true;
 treeView.HeadersClickable = true;
 dataMember = ;
 dataSource = null;


 }

 ArrayList bindrows = null;
 object resolvedDataSource = null;

 private bool editable = true;

 private object dataSource;

 private string dataMember;

 public int SelectedRow {
 get {
 TreeIter iter;
 TreeModel model;
 TreeSelection selection = treeView.Selection;
 if (selection.GetSelected (out model, out iter)) {
 TreePath[] path = selection.GetSelectedRows (out model);
 return path[0].Indices[0]; // return selected row
 }
 else
 return -1; // not selected
 }
 }

 public TreeIter SelectedIter {
 get {
 TreeIter iter;
 TreeModel model;
 TreeSelection selection = treeView.Selection;
 if (selection.GetSelected (out model, out iter))
 return iter; // return seelcted iter
 else
 return TreeIter.Zero; // not selected
 }

 }

 public TreeView View
 {
 get
 {
 return treeView;
 }
 }

 public object DataSource
 {
 get
 {
 return dataSource;
 }
 set
 {
 dataSource = value;
 }
 }

 public string DataMember
 {
 get
 {
 return dataMember;
 }
 set
 {
 dataMember = value;
 }
 }

 public ListStore Store
 {
 get
 {
 return store;
 }
 }

 public ArrayList Columns
 {
 get
 {
 return gridColumns;
 }
 }

 public bool Editable {
 get {
 return editable; // not a good way to see if its editable or not
 // because various columns could be editable and others non-editable
 }

 set {
 editable = value;
 if (value == true) {
 for(int c = 0; c  gridColumns.Count; c++) {
 DataGridColumn col = (DataGridColumn) gridColumns[c];
 col.TreeViewColumn.Clickable = true;
 col.Renderer.Mode = CellRendererMode.Editable;
 col.Renderer.Editable = true;
 }
 

[Mono-list] [GTK#] Debian stable problem

[Generic 2006]

Hi all

Is there anybody using Mono on Debian stable (Sarge)?

I'm experiencing a tough problem trying GTK# 1.0: it requires
libpangocairo, but Debian stable DOESN'T ship with it (it's available
on testing and unstable only)!

How did you solved such an issue?

Many thanks (I'm desperate...)

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[Mono-list] GTK# problem

[chris]

Hi all,

I have a problem with an gtk# app. As soon as I define a signal, at this
stage it  is signal name=delete_event handler=on_mainGUI_delete_event
last_modification_time=Sat, 23 Sep 2006 14:53:03 GMT/, in the glade.xml
file, the following Exception is raised:

Object reference not set to an instance of an object.

ConnectFunc()
Autoconnect()
Autoconnect()
.ctor()
Main()

My code looks like this:
---
using Gtk;
using Glade;
using System;

namespace Sharp
{
/// summary
/// Description of MainWindow.
/// /summary
public class MainWindow
{
public MainWindow()
{
Glade.XML gxml = new Glade.XML(null, Sharp.glade.xml, 
mainGUI, null);
gxml.Autoconnect(this);
}

[STAThread]
public static void Main(string[] arg)
{
Application.Init();
new MainWindow();
Application.Run();
}

void on_mainGUI_delete_event(object o, DeleteEventArgs args)
{
Application.Quit();
args.RetVal = true;
}
}
}
---

All ideas appreciated.
Chris
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[Mono-list] gtk installer

[Bryan Buchanan]

Hi,

There appear to be no files here

http://forge.novell.com/modules/xfmod/project/?gtks-inst4win

Have they moved or is this no longer available.

Thanks,

Bryan

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Re: [Mono-list] gtk installer

[Joe Audette]

ftp seems to be down at Novell Forge, every project I've checked has an error 
that says Failed to retrieve a file listing.

Joe
 
 
joe_audette [at] yahoo dotcom 
http://www.joeaudette.com 
http://www.mojoportal.com

- Original Message 
From: Bryan Buchanan [EMAIL PROTECTED]
To: mono-list@lists.ximian.com
Sent: Friday, July 14, 2006 8:18:18 AM
Subject: [Mono-list] gtk installer

Hi,

There appear to be no files here

http://forge.novell.com/modules/xfmod/project/?gtks-inst4win

Have they moved or is this no longer available.

Thanks,

Bryan

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[Mono-list] GTK# ComboBox

[mono-list . 1 . tracyanne]

How can I make the combobox that is part of the widget set on monodevelop
function in the manner it's icon implies it can function? That is a list
that drops down like the combobox entry does and is a fixed height, with a
vertical scroll bar when there are more entries than can be displayed.

Or alternately, how can I make the combobox entry not editable?

I really dislike the look and feel of the default combobox, especially the
way in which the popup is displayed.

regards

Tracy Barlow




Dodo - an
Official Sponsor of the
2006 FORMULA 1 (tm)
Foster's Australian Grand Prix

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[Mono-list] gtk-dotnet

[Jonathan S. Chambers]

I noticed that (at least) on the latest windows installers (1.1.13.4
and 1.1.14), the gtk-dotnet-2.0.pc file is there, but the actual dll is not. Is
this a mistake?



Thanks,

Jonathan
S. Chambers

Software
Development Engineer

ANSYS,
Inc.

Phone:
724.514.3682

Fax:
724.514.3114

E-mail:
[EMAIL PROTECTED]



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Re: [Mono-list] Gtk objects

[Tomas Olofsson]

Hi
Thanks for the help, I tried to use

Gtk.Application.Invoke (delegate {
   statusbar.Push(1, Done);
});

just to see if it worked in a method not called by the gui-thread, but I 
get an exception:
Unhandled Exception: System.NullReferenceException: Object reference not 
set to an instance of an object

in 0x00083 ClientGUI:ShowSearchResults ()
.
.
Is there something else I must do to make Invoke work more than the 2 
lines above?



On Fri, 31 Mar 2006, Mario Carrión wrote:


On 3/31/06, Tomas Olofsson [EMAIL PROTECTED] wrote:
Hi

Hello


I'm writing a client/server application and have divided the client in two
classes. I have a gui-class and a functional-class.
I have a big problem that I can't access and change the gtk object properties
from the functional class, the program just hangs on the codeline and
doesn't do anything. I can change regular variables
like strings, int, double and so on but gtk objects don't respond.
I have tried to set the gtk objects to public and also fetch them with
set- and get-methods.

Does anyone have an idea of what I have done wrong?

If you are changing from another Thread different than main see the
Responsive Applications article[1] for getting a solution.

[1] http://www.mono-project.com/Responsive_Applications

Cheers
-
Mario Carrión [EMAIL PROTECTED]

--

Thomas Olofsson
[EMAIL PROTECTED]

www.blienvinnare.com

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[Mono-list] Gtk objects

[Tomas Olofsson]

Hi

I'm writing a client/server application and have divided the client in two 
classes. I have a gui-class and a functional-class.

I have a big problem that I can't access and change the gtk object properties
from the functional class, the program just hangs on the codeline and
doesn't do anything. I can change regular variables 
like strings, int, double and so on but gtk objects don't respond.
I have tried to set the gtk objects to public and also fetch them with 
set- and get-methods.


Does anyone have an idea of what I have done wrong?

/ Thomas
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Re: [Mono-list] Gtk objects

[Carlos Ble]

El vie, 31-03-2006 a las 17:52 +0200, Tomas Olofsson escribió:
 Hi
 
 I'm writing a client/server application and have divided the client in two 
 classes. I have a gui-class and a functional-class.
 I have a big problem that I can't access and change the gtk object properties
 from the functional class, the program just hangs on the codeline and
 doesn't do anything. I can change regular variables 
 like strings, int, double and so on but gtk objects don't respond.
 I have tried to set the gtk objects to public and also fetch them with 
 set- and get-methods.
 
 Does anyone have an idea of what I have done wrong?
 

Hi,
Check that you are calling Gtk.Application.Init();
Post your source code here.




 / Thomas
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Re: [Mono-list] Gtk objects

[Mario Carrión]

On 3/31/06, Tomas Olofsson [EMAIL PROTECTED] wrote:
 Hi
Hello

 I'm writing a client/server application and have divided the client in two
 classes. I have a gui-class and a functional-class.
 I have a big problem that I can't access and change the gtk object properties
 from the functional class, the program just hangs on the codeline and
 doesn't do anything. I can change regular variables
 like strings, int, double and so on but gtk objects don't respond.
 I have tried to set the gtk objects to public and also fetch them with
 set- and get-methods.

 Does anyone have an idea of what I have done wrong?
If you are changing from another Thread different than main see the
Responsive Applications article[1] for getting a solution.

[1] http://www.mono-project.com/Responsive_Applications

Cheers
-
Mario Carrión [EMAIL PROTECTED]
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[Mono-list] Gtk# unstable tarball

[Carlos Ble]

Hi!
There is no link at http://go-mono.com/sources to download unstable
Gtk#: http://go-mono.com/sources/gtk-sharp-2.0/gtk-sharp-2.7.1.tar.gz
I think that could be interesting to put a link to the tarball like in
older releases. 


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[Mono-list] GTK# compile problem

[Stanislav Nedelchev]

Hi to all
I have one very simple question.
What i must change to get it working errors are listed bellow
i;m using mono  1.1.8.3 under linux
But it is almost the same in windows
can anybody give me some advice is it there something speacial to do to
get it working with sharpdeveloper under windows
and using GTK#

Thanks
I'm trying to compile one of the GTK example and i'm geting errors like this


test.cs(4) error CS0234: The type or namespace name `Drawing' could not
be found in namespace `System'
test.cs(15) error CS0246: Cannot find type 'DeleteEventArgs'
test.cs(1) error CS0246: The namespace `Gtk' can not be found (missing
assembly reference?)
Try using -pkg:gtk-sharp
test.cs(2) error CS0246: The namespace `GtkSharp' can not be found
(missing assembly reference?)
Try using -pkg:gtk-sharp
test.cs(4) error CS0234: The type or namespace name `Drawing' could not
be found in namespace `System'
test.cs(4) error CS0246: The namespace `System.Drawing' can not be found
(missing assembly reference?)
Try using -r:System.Drawing
Compilation failed: 6 error(s), 0 warning


Code of example


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[Mono-list] GTK# project template for visual studio

[Adolfo J. Peña]

When I install GTK# for windows I get a project template for Visual 
Sudio. When I install Mono, wich includes GTK# itself, I cannot find the 
project template.


Where can I find or the template in MONO?
Can I download it without having to download the GTK# installer for 
windows separatelly?
Is there a GTK# project template for SharpDevelop? Will there be a 
template fo the new visual studio?


Thanks,

Adolfo
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[Mono-list] Gtk# and FileChooserDialog

[Raitskin Alexandr]

Once I used it the FileChoserDialog in PyGTK and there all I did after 
loading it from glade  (with Glade.XML) was to run it with the run() 
method and retrieve the filename chosen.
When I do it in mono, the dialog either stops reacting to events ( can't 
click on anything after the first click on the open/cancel button) or 
doesn't do anything at all. What's important is that it wouldn't close 
itself.
Do I have to add manually events in Glade? (seams not reasonable) or is 
it yet in stages of early development? In the Monodoc I see a note near 
several of it's methods that say [not implemented] but it doesn't yield 
any errors during the compilation.

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[Mono-list] GTK and Gnome Widgets

[mono-list . 1 . tracyanne]

I've been using the Gnome.Entry combobox widget in an application I'm
working on. But I notice that according to the C Sharp compiler this
widget is obsolete.

Quite apart from the fact, that in my opinion it is a much better
combobox widget to work with than the GTK.combobox and the
GTK.Comboboxentry widgets, I notice that the Glade GUI builder that
comes with MonoDevelop 0.7 also uses the Gnome.Entry Combobox widget.

Can someone explain to me what is going on here.


Regards

Tracy Barlow
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[Mono-list] gtk

[Shawn Vose]

I have been trying to install the latest mono-* including gtk,monodoc 
etc on my fedora3 box. I know this is not the list to post it to so I am 
hoping someone will point me in the direction I need to go or better yet 
tell me what the problem is. Mono has installed fine. The problem is 
with gtk+. I am getting the following error:


In file included from ../../gdk/gdk.h:43,
from gdkasync.h:25,
from gdkasync.c:51:
../../gdk/gdkpango.h:69: error: syntax error before PangoRenderer
../../gdk/gdkpango.h:69: warning: no semicolon at end of struct or union
../../gdk/gdkpango.h:72: error: syntax error before '}' token
../../gdk/gdkpango.h:84: error: syntax error before PangoRendererClass
../../gdk/gdkpango.h:84: warning: no semicolon at end of struct or union
../../gdk/gdkpango.h:89: error: syntax error before '*' token


etc...

Any input would help out significantly.

Kindest Regards,
Shawn Vose

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Re: [Mono-list] GTK# Stock Icon

[Milen Dzhumerov]

Ben Motmans wrote:
On 4/22/05, Milen Dzhumerov [EMAIL PROTECTED] wrote:
 

Hi all,
I've been reading Mono: A Developer's Notebook and I couldn't find a way
of creating an icon with a stock image. I looked at
www.go-mono.com/docs/ for Icon related classes but couldn't figure out
how to do it. My other question is, is it possible to show a menu if the
user clicked on the icon?
Regards,
gamehack
   

You don't need to use the Icon class, but the Image class
Image img = new Image(gtk-save, IconSize.Menu);
It is also possible to show a menu if a user clicks on the image, but
you need to add the Image to an EventBox, since an Image cannot fire
events
EventBox eb = new EventBox();
EventBox.Add(new Image(gtk-save, IconSize.Menu);
EventBox.ButtonPressEvent += new ButtonPressEventHandler (OnImageClick);
private void OnImageClick (object o, ButtonPressEventArgs args)
{
  if (args.Event.Button == 3) { //right click
 Menu popupMenu = new Menu();
 MenuItem menuPopup1 = new MenuItem (Popup item 1);
 popupMenu.Add (menuPopup1);
 popupMenu.Popup (null, null, null, IntPtr.Zero,
args.Event.Button, args.Event.Time);
 popupMenu.ShowAll ();
  }
}
But are you sure you really want a stock image with a menu popping up
if the user clicks the image? there are nice ways of doing someting
similar, like a Toolbar with a Gtk.MenuToolButton (some sort of combo
box) or ...
-- Ben
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Well,
I want to use this for a tray icon. Here's the sample code - 
http://www.1nsp1r3d.co.uk/tmp/mono/TrayIcon.cs. I want to replace this line:

icon.Add (new Label (Testing));
with your code, but I'm not sure whether it will work out. And as a side 
not, I couldn't find the method documented anywhere.

Regards,
gamehack
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[Mono-list] GTK# Stock Icon

[Milen Dzhumerov]

Hi all,

I've been reading Mono: A Developer's Notebook and I couldn't find a way
of creating an icon with a stock image. I looked at
www.go-mono.com/docs/ for Icon related classes but couldn't figure out
how to do it. My other question is, is it possible to show a menu if the
user clicked on the icon?

Regards,
gamehack

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Re: [Mono-list] Gtk# or the future Windows.Forms Mono

[Dilton McGowan II]

Dang, several months ago I sepnt several weeks
searching for a charting library that would run under
Mono. I found the same problem with the big guys like
Dundas, for one thing, they often make registry calls
that fail on Mono (because the Wine registry isn't as
complete as a true Windows machine I guess??).

Also they often make P/Invoke calls to Win32 to
support license valdation (apparently).

I've contacted several of these big .NET 3rd party
control vendors and have been told that Mono is not in
their near term plans. This is both unfortunate and
potentially very fortunate for some entrprising
person/people.

NPlot looks cool, I wish I had found it instead of
doing the custom charting stuff (basic really). I will
defintely look at using it in the next version of our
product.

Thanks Miguel for your, as always, thougtful and
precise responses.
 
--- Miguel de Icaza [EMAIL PROTECTED] wrote:
 Hello,
 
  Thanks to the respondees (sp?) so far.
  
  Jonathan's email hits a few nails on the head from
  what I can see. Unfortunately, I'm unable to
 locate
  the Dundas Charting for Gtk#. ;-) Aside from the
  (apparent) lack of decent GUI desginers other than
 for
  Java or C++ on Linux, my previous comment is
 worthy of
  consideration. What third party vendors support
 Gtk#
  or have pledged support?
 
 Also, Dundas currently requires features not
 available in Mono's
 System.Drawing, we will work towards completing
 those, but today it wont
 work.
 
 As for Gtk# you can use NPlot which today has a Gtk+
 port.  NPlot is
 nice in that there is a clear distinction between
 the plotting engine
 and its user interfaces, today it has three:
 ASP.NET, Windows.Forms and
 Gtk#.
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Re: [Mono-list] Gtk# or the future Windows.Forms Mono

[Miguel de Icaza]

Hello,

 Dang, several months ago I sepnt several weeks
 searching for a charting library that would run under
 Mono. I found the same problem with the big guys like
 Dundas, for one thing, they often make registry calls
 that fail on Mono (because the Wine registry isn't as
 complete as a true Windows machine I guess??).

Ah, shame.  I only mentioned that on my blog, I did not post it to the
mailing lists.

miguel
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Re: [Mono-list] Gtk# or the future Windows.Forms Mono

[Christian Gross]

Jonathan Pryor wrote:
This isn't entirely true; there is also development on Cocoa# for better
Mac OS X integration.
 

Well, does this not make the argument for something like wx.NET, which
already has pretty decent OSX integration including native look and feel?
So the closest to an official position would probably be this: design
your code to utilize multiple different front-ends so that you can
better integrate with all of your target platforms.  This implies having
Gtk#, SWF, and Cocoa# GUIs, if desired.  Is this more work?  Yes.  But
your users will prefer it.  (For proof, just see the history of cross-
platform toolkits between Mac OS and Windows.  The users tended to
prefer Mac-native front-ends in almost all cases.  Even now, I hear
grumbling from users that Qt programs don't look quite right on the
Mac, because buttons are the wrong size and other subtle issues.)
 

Yes, you are right, and why I point out wx.NET as it is a native look
and feel.
Well, if you are comparing C++ toolkits and their issues, sure you have
a point.  But Java Swing has managed to create native look and feel
applications across all platforms.  I think asking a client to use
different GUI toolkits on different platforms is asking too much.
Playing devils advocate, I suppose at that point my reaction would be,
ok, fine, so who pays the software development bills?  Windows!  Hence
it makes sense to code to only Windows and forget the rest.  Which at
that point raises the question of why Mono?  I suppose an answer would
be easier development on Linux.  Which is acceptable, but if a Linux app
does not look and feel good on Windows or OSX, why bother?  I am just
playing devils advocate here, and find that using an approach like
wx.NET I avoid all of these problems in the first place.
A question is why not work on making GTK having a native look and feel?
I was looking at gtk-osx native port and it seemed to have been stopped
in 2002.  Why did it stop?
Just asking questions and wondering...
Christian Gross
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Re: [Mono-list] Gtk# or the future Windows.Forms Mono

[Jonathan Pryor]

On Sat, 2005-04-16 at 11:44 +0200, Christian Gross wrote:
 Jonathan Pryor wrote:
 
 This isn't entirely true; there is also development on Cocoa# for better
 Mac OS X integration.
 
 Well, does this not make the argument for something like wx.NET, which
 already has pretty decent OSX integration including native look and feel?

No, because native look and feel is a terrible misnomer.  Users claim
they want native look and feel, but they really don't.  Users want a
Real Native Interface.

The difference?  When the OS vendor changes the look of their UI, Real
Native apps update automatically.  Native look and feel apps --
anything written with Qt, for example -- will NOT, at least until the
rendering engine is updated for the *new* look and feel.

See also the change from Windows 3.1 to Windows 95, Mac OS X 10.1 to
10.2 to 10.3 (and presumably 10.4, though I haven't seen it yet), etc.

Qt will *always* be behind, as will GTK+/Gtk#, and EVERYTHING that
depends upon custom rendering.  (This includes Java Swing, except on Mac
OS X since Apple distributes the JRE and can thus make sure the Java Mac
Look And Feel actually matches the current platform.  UI mis-matches
will still be true on Microsoft platforms and Linux; Sun's GTK Look and
Feel *still* looks like Ass.)

wx.NET may be the only one not susceptible to this, as IIRC it uses
native widgets everywhere.  The downside is, from what I've heard, it
offers fewer widgets (the lowest-common-denominator problem), and I
don't see it being used by many actual applications.  I may be biased.

 So the closest to an official position would probably be this: design
 your code to utilize multiple different front-ends so that you can
 better integrate with all of your target platforms.  This implies having
 Gtk#, SWF, and Cocoa# GUIs, if desired.  Is this more work?  Yes.  But
 your users will prefer it.  (For proof, just see the history of cross-
 platform toolkits between Mac OS and Windows.  The users tended to
 prefer Mac-native front-ends in almost all cases.  Even now, I hear
 grumbling from users that Qt programs don't look quite right on the
 Mac, because buttons are the wrong size and other subtle issues.)

 Yes, you are right, and why I point out wx.NET as it is a native look
 and feel.

And why I'll start claiming that native look and feel is a misnomer,
as stated above.

 Well, if you are comparing C++ toolkits and their issues, sure you have
 a point.  But Java Swing has managed to create native look and feel
 applications across all platforms.

Ha!  As mentioned above, it has native look and feel...  Eventually.
In some cases *years* after the OS shipped.  (Java 1.4 Swing on my XP
box doesn't look like Windows XP, it looks like Windows 2000, and the
menus look *really* funky.  Maybe this was fixed for 1.5, but I haven't
tested it yet.)

Java Swing (and GTK+ and Qt, for that matter) will *always* be playing
catch-up with the native platform toolkit.  The only place this won't
be the case is when they *are* the native toolkit (Gnome  KDE).

 I think asking a client to use
 different GUI toolkits on different platforms is asking too much.

It may be, but nothing has changed over the past 20+ years.  The users
*always* want a native UI, and developers want a portable UI.  This is
arguably a reason why Mac OS had fewer apps than Windows -- just porting
a Windows UI to the Mac would NOT result in sales, as the users wanted a
Mac UI, conforming to Mac UI conventions, that looked proper.

Alas, this problem won't go away -- users will *always* want apps that
behave properly, follow their conventions, and fit in with their
desktop.  Time has shown that this problem is too big for a toolkit to
handle, which is why you still don't see many portable toolkits being
used in commercial software...

 Playing devils advocate, I suppose at that point my reaction would be,
 ok, fine, so who pays the software development bills?  Windows!  Hence
 it makes sense to code to only Windows and forget the rest.

Which is the current situation, and why Mono is implementing SWF
support.  Because asking for UI re-writes is asking to be ignored,
unless the platform becomes big enough that you can't ignore it.

With Mono+SWF, you'll be able to run your SWF apps under Mono (perhaps
with some work required, if you app uses P/Invoke for Windows-specific
functionality), and start gaining a user base.  The user base may *hate*
your app's look, but if you start seeing a significant number of users
requesting native platform support, it may be worthwhile creating a
native UI for them.  You certainly DO NOT want to create an entirely
separate code base for them, so having a program design that permits
multiple different UIs from the beginning will make this easier.

Plus, as I mentioned before, separating UI from the core makes it easier
to write unit tests for the core...

   Which at
 that point raises the question of why Mono?  I suppose an answer would
 be easier development on Linux.  

Re: [Mono-list] Gtk# or the future Windows.Forms Mono

[Miguel de Icaza]

Hello,

 Should developers consider Gtk# or the new Mono
 Windows.Forms (or whatever it will be called) in
 planning and design phases for new GUI projects?

Gtk# will continue to be developed, and will continue to track the Gtk
and Gnome development platforms.  

Windows.Forms should be considered a library for bringing developers
from Windows to Linux easily.

Windows.Forms has a number of limitations imposed by the commitment to
API compatibility with Windows which are particularly annoying for
developing international application (and by extension any open source
apps that have to be localized).

Also keep in mind that Microsoft will move developers to a third
toolkit, so Windows.Forms is effectively a toolkit that will not likely
grow to address its limitations in next few years.

If you are developing a new application today, and you do not mind the
Gtk+ dependency, it is a better path to follow as Gtk+ blends nicely to
internationalization and is being upgraded to add vector-based rendering
with its current API.

Windows.Forms is still a useful tool if most of your development will
happen on Windows and you will target mostly Windows systems.

Miguel.
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Re: [Mono-list] Gtk# or the future Windows.Forms Mono

[Miguel de Icaza]

Hello,

 Well, does this not make the argument for something like wx.NET, which
 already has pretty decent OSX integration including native look and feel?

Like Jonathan said, wx.NET is that it always provides the lowest common
denominator widgetry.  Which means that applications look and feel like
native applications, but it will stop you short from tuning the
interface to the most minimal details.

This is probably OK for many applications, but anyone who wants to make
the most out of the native platform will probably prefer to get the
extra control that they want.

Miguel
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