RE: Re: Displaying simple HTML in gtkmm app (got it!)

[erik_ohrnberger dme net]

Sorry for the late reply, but it seems as if the list email is not making it
to me.

	The compile line looks like this:

g++ -pipe -M `pkg-config gtkmm-2.0 --cflags` `pkg-config glib-2.0 --cflags`
`pkg-config libgtkhtml-2.0 --cflags` `pkg-config gnome-vfs-2.0 --cflags`
testgtkhtml.cpp -o testgtkhtml.o

	And the link line like this:

g++ testgtkhtml.o `pkg-config gtkmm-2.0 --libs` `pkg-config glib-2.0 --libs`
`pkg-config libgtkhtml-2.0 --libs` `pkg-config gnome-vfs-2.0 --libs`  -o
testgtkhtml

	The other thing that I noticed about this way of implementing this
is that you are limited to a single instance of a window that can render
HTML.  I was starting to create a C++ wrapper class, but found out that the
lines:

	g_signal_connect( G_OBJECT( document ), "request_url",	G_CALLBACK(
&gtkhtml::url_requested ),	NULL );
	g_signal_connect( G_OBJECT( document ), "link_clicked",	G_CALLBACK(
&gtkhtml::link_clicked ),		NULL );

	are proving to be difficult to resolve.  How would you connect gtk+
signals to a C++ class instance?  That appears to be the question now, for
me at least.

	Erik.

> -----Original Message-----
> From: Ohrnberger, Erik 
> Sent: Thursday, April 21, 2005 2:01 PM
> To: Ohrnberger, Erik
> Subject: Re: Displaying simple HTML in gtkmm app (got it!)
> 
> 
> On Friday 15 April 2005 09:46, [EMAIL PROTECTED] wrote:
> > OK, so I got it working now.  It's pretty much a hack job, 
> but it'll get me
> > by for now.
> 
> Erik,
> thks for the post - using gtkhtml will be really useful for 
> some of us.  I'm 
> trying to get this working in a small demo program but struggling:
> 1) which libs did you include when you compiled?
> 2) still not sure how you combined the simple c program under 
> gtkmm - could 
> you post the complete code listing (or email it).  thks
> 
> >
> > I've declared a class gtkhtml, which is a sub class of 
> Gtk::ScrolledWindow.
> >
> >
> > In this code module, I just include the simple.c source 
> code file like so:
> > extern "C"
> > {
> > # include "simple.c"
> > };
> >
> > And make sure to either remove or commnet out the int main( 
> int argc,
> > char** argv) code
> >
> > Below is the class' CTOR:
> >
> > gtkhtml::gtkhtml( void )
> >
> >  : ScrolledWindow()
> >
> > {
> >  // Set properties
> >  g_object_set( G_OBJECT( gtk_html_context_get () ), 
> "debug_painting",
> > FALSE, NULL);
> >
> >  // Create the document
> >  document = html_document_new();
> >
> >  g_signal_connect( G_OBJECT( document ), "request_url", G_CALLBACK(
> > url_requested ), NULL );
> >  g_signal_connect( G_OBJECT( document ), "link_clicked", G_CALLBACK(
> > link_clicked ),  NULL );
> >
> >  // And the view
> >  view = html_view_new();
> >  html_view_set_document( HTML_VIEW( view ), document );
> >
> >  g_signal_connect( G_OBJECT( view ), "request_object", G_CALLBACK(
> > request_object ), NULL );
> >
> >  // ScrolledWindow that's hosting is already created.
> >
> >  // Now wrap and add the Gtkhtml widget to the ScrolledWindow
> >  Gtk::Widget*   GtkmmView = Glib::wrap( view );
> >
> >  add( *GtkmmView );
> >  GtkmmView->show();
> > }
> >
> > And finally, is the LoadFile method, where you can load a 
> file from local
> > disk and display it in the ScrolledWindow.
> >
> > void gtkhtml::LoadFile( char* Filename )
> > {
> >  load_file( Filename );
> > }
> >
> >
> > The only other thing is that I had to hack the
> > /usr/include/gtkhtml-2.0/libgtkhtml/css/cssstylesheet.h 
> header file, 'cause
> > the structure below had a field called 'class', which g++ 
> didn't like, so I
> > renamed it '_class':
> >
> > struct _CssTail {
> >  CssTailType type;
> >
> >  union {
> >   struct {
> >    HtmlAtom att;
> >    CssAttrMatch match;
> >    CssAttrVal val;
> >   } attr_sel;
> >   struct {
> >    HtmlAtom id;
> >   } id_sel;
> >   struct {
> >    HtmlAtom _class;
> >   } class_sel;
> >   struct {
> >    HtmlAtom name;
> >   } pseudo_sel;
> >  } t;
> > };
> >
> > _______________________________________________
> > gtkmm-list mailing list
> > gtkmm-list gnome org
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>