[vtkusers] Using vtk with GTK

[Konstantinos P]

Day, Michael A AMRDEC/UAH wrote:

>Following my message is an old message from the vtkusers mailing list, describing how to use gtkmm to get the VTK RenderWindow to live inside a GTK window AND be able to put other GTK Widgets in the same window.
>
>I would like to port this to straight C (instead of C++) and GTK+ (instead of gtkmm) and am quite lost as to how do do it for the current stable version of GTK+ (2.6.9).  Since my platform is Windows, I can't use GtkPlug and GtkSocket because those are only available in the 2.7.x (development) release of GTK+.  This is further complicated by the fact that I can't find where GDK_WINDOW_HWND is defined.
>
>Has anyone done this before?  I would like to do this in C, not in Python or Tcl/Tk -- I've already read about PyGTK but I don't want to learn Python or Tcl/Tk or make end users of my shiny new application install them.
>
>Thanks,
>
>Mike Day
>Virtual Targets Center
>
>https://modelexchange.army.mil/
>
>
>
>--------------------------------------------------------------------------------
>
>Hi,
>
>I'm using using VTK and GTK for a long time now and it works very well.
>To be able to display a VTK window in a Gtk widget, you need to use an OpenGL widget. There are two OpenGL libraries for Gtk : GtkGLArea and GtkGLExt. I recommend the second since itis actively maintenained and seems to be superior as it allows any GtkWidget to contains an OpenGL window.
>
>To render a VTK window in a GLWidget, you only need to specify the Gtk window Id to the VTK RenderWindow before calling Render().
>Here is the C++ code to do that, it should be easy to change it to pure C. Suppose that "this" is the Gtk GL Widget and pay attention to the "WINDOW_HWND" (Win32) or "WINDOW_XWINDOW" (Linux, ...).
>
>#ifdef	WIN32
>	this->RenderWindow->SetWindowId((void*)GDK_WINDOW_HWND(this->get_window()->gobj()));
>#else
>	//Attach VTK Renderer to current OpenGL Window
>	this->RenderWindow->SetWindowId((void*)GDK_WINDOW_XWINDOW(this->get_window()->gobj()));
>#endif	
>	this->RenderWindow->SetSize(this->get_width(), this->get_height());
>
>Once you have linked you VTK render Windows, you can pack you Gtk GL Widget like any other Gtk object. Don't forget to call RenderWindow->Render() only after you have packed and showed your Gtk widget, else another window will be created !
>
>Vincent Nicolas
>-----------------------------------------
>Communications and Remote Sensing Lab.
>Universite catholique de Louvain
>vincent.nicolas at tele.ucl.ac.be
>+32 (0)10 478555
>http://www.tele.ucl.ac.be
>
>On Thu, 04 Dec 2003 21:35:22 +0530
>"shrinivas kulkarni" <kshrinivas at hotmail.com> wrote:
>
>  
>
>>Hi all,
>>
>>I need to draw a VTK window inside a GTK window( I can do this easily), but 
>>apart from this, the in same GTK window I want to place few buttons. I think 
>>GTK does not allow to do this, because VTK needs a window ID/HANDLE to 
>>decide, in which window it needs to be displayed and in GTK we can get such 
>>handle only for top level window.
>>
>>Has anybody created UI like this( VTK in GTK with buttons in it)? Note that 
>>I am working on Windows platform. So if anybody have idea/suggestion how to 
>>do this would be really helpful.
>>
>>Thanks
>>Shrinivas
>>
>>_________________________________________________________________
>>It is Ms World time! Send in your wishes to Ami Vashi. 
>>http://server1.msn.co.in/sp03/Missworld2003/ Help her bring home the crown!
>>
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>>    
>>
>
>
>
>
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>  
>
I think that this might help.
The attachment is the vtkgtk-0.1 widget written by Don Grobgeld.

Konstantinos