Re: [Gtk2forpascal-devel] How to add gtkhtml into gtk2forpascal?

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On Tue, 29 Oct 2002 10:04:32 +0800 (CST)
Zhong Wang <wan...@ya...> wrote:

> Hello, every body
> 
>   I try to add gtkhtml into gtk2forpascal. I just want
> a very simple gtkhtml,
> so I only some of the files into pascal and combine to
> one file. I can
> compile the interface successfully, but when I use it
> into my program, the
> compiler report some bugs:

I just tried your program.
I did the mistake to use gtkhtml for gtk 1 and got your errors. No
wonder, you can't mix gtk1 and gtk2 libs.
Does anyone know about a gtkhtml rpm for gtk 2?

Mattias

> 
> specified class size for type `GParamChar' is
> specified class size for type
> `GParamChar' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamUChar'
> isspecified class size for type
> `GParamUChar' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamBoolean'
> specified class size for type
> `GParamBoolean' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamInt' is
> sspecified class size for type
> `GParamInt' is smaller than the parent type's `GParam'
> class size
> specified class size for type `GParamUInt' is
> specified class size for type
> `GParamUInt' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamLong' is
> specified class size for type
> `GParamLong' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamULong'
> isspecified class size for type
> `GParamULong' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamInt64'
> isspecified class size for type
> `GParamInt64' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamUInt64'
> ispecified class size for type
> `GParamUInt64' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamUnichar'
> specified class size for type
> `GParamUnichar' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamEnum' is
> specified class size for type
> `GParamEnum' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamFlags'
> isspecified class size for type
> `GParamFlags' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamFloat'
> isspecified class size for type
> `GParamFloat' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamDouble'
> ispecified class size for type
> `GParamDouble' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamString'
> ispecified class size for type
> `GParamString' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamParam'
> isspecified class size for type
> `GParamParam' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamBoxed'
> isspecified class size for type
> `GParamBoxed' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamPointer'
> specified class size for type
> `GParamPointer' is smaller than the parent type's
> `GParam' class size
> specified class size for type
> `GParamValueArraspecified class size for type
> `GParamValueArray' is smaller than the parent type's
> `GParam' class size
> specified class size for type `GParamObject'
> ispecified class size for type
> `GParamObject' is smaller than the parent type's
> `GParam' class size
> An unhandled exception occurred at 0x403A8DEB :
> Access violation
>   0x403A8DEB
>   0x403AAB95
>   0x403A717A
>   0x403A71C0
>   0x4028219D
>   0x400F6D7B
>   0x400F71A6
>   0x080796AB
>   0x0804DC70
> 
>   Can you tell how to modify this program?
> 
>   Thank you very much.
>   Yours,
>   mili
> 
> >>>>>>> here is the interface file, gtkhtml.pas
> >>>>>>>
> 
> unit gtkhtml;
> 
> interface
> 
> uses
>   gtk2, glib2, gdk2;
> 
> const
>   gtkhtmllib = 'gtkhtml';
>   { I have make a link in /usr/lib to
> libgtkhtml.so.20, I am sure
>     the gtkhtml is encapsulated in this lib because I
> used hexedit
>     to search "gtk_html_get_type" }
> 
> { Pointers to basic pascal types, inserted by h2pas
> conversion program.}
> type
>   TGtkHTMLStreamStatus = (GTK_HTML_STREAM_OK,
> GTK_HTML_STREAM_ERROR);
> 
>   PGtkHTMLStream = ^TGtkHTMLStream;
> 
>   TGtkHTMLStreamTypesFunc = function 
> (stream:PGtkHTMLStream;
> user_data:gpointer):ppgchar;cdecl;
>   TGtkHTMLStreamCloseFunc = procedure
> (stream:PGtkHTMLStream;
> status:TGtkHTMLStreamStatus;
> user_data:gpointer);cdecl;
>   TGtkHTMLStreamWriteFunc = procedure
> (stream:PGtkHTMLStream; buffer:Pgchar;
> size:integer; user_data:gpointer);cdecl;
>   TGtkHTMLSaveReceiverFn  = function 
> (engine:gpointer; data:Pgchar;
> len:integer; user_data:gpointer):gboolean;cdecl;
> 
>   TGtkHTMLStream = record
>     write_func : TGtkHTMLStreamWriteFunc;
>     close_func : TGtkHTMLStreamCloseFunc;
>     types_func : TGtkHTMLStreamTypesFunc;
>     user_data : gpointer;
>   end;//TGtkHTMLStream
> 
>   PGtkHTML = ^TGtkHTML;
>   TGtkHTML = record
>     layout : TGtkLayout;
>     editor_bindings : PGtkBindingSet;
>     iframe_parent : PGtkWidget;
>     editor_data : gpointer;
>     pointer_url : pgchar;
>     hand_cursor : PGdkCursor;
>     arrow_cursor : PGdkCursor;
>     ibeam_cursor : PGdkCursor;
>     selection_x1 : gint;
>     selection_y1 : gint;
>     flag0 : word;
>     hadj_connection : guint;
>     vadj_connection : guint;
>     binding_handled : gboolean;
>   end;//TGtkHTML
> 
>   PGtkHTMLClass = ^TGtkHTMLClass;
>   TGtkHTMLClass = record
>     parent_class : TGtkLayoutClass;
>   end;//TGtkHTMLClass
> 
>   function GTK_TYPE_HTML : GType;
>   function GTK_HTML(obj: pointer) : PGtkHTML;
>   function GTK_HTML_CLASS(klass: pointer) :
> PGtkHTMLClass;
>   function GTK_IS_HTML(obj: pointer) : boolean;
>   function GTK_IS_HTML_CLASS(klass: pointer) :
> boolean;
> 
>   { creation }
>   function gtk_html_get_type:TGtkType;cdecl; external
> gtkhtmllib;
>   procedure gtk_html_construct(html:PGtkWidget);cdecl;
> external gtkhtmllib;
>   function gtk_html_new:PGtkWidget;cdecl; external
> gtkhtmllib;
>   function gtk_html_new_from_string(str:Pgchar;
> len:gint):PGtkWidget;cdecl;
> external gtkhtmllib;
> 
>   { Behavior.   }
>   procedure gtk_html_allow_selection(html:PGtkHTML;
> allow:gboolean);cdecl;
> external gtkhtmllib;
> 
>   { Loading.   }
>   function
> gtk_html_begin(html:PGtkHTML):PGtkHTMLStream;cdecl;
> external
> gtkhtmllib;
>   function gtk_html_begin_content(html:PGtkHTML;
> content_type:Pgchar):PGtkHTMLStream;cdecl; external
> gtkhtmllib;
>   procedure gtk_html_write(html:PGtkHTML;
> handle:PGtkHTMLStream;
> buffer:Pgchar; size:integer);cdecl; external
> gtkhtmllib;
>   procedure gtk_html_end(html:PGtkHTML;
> handle:PGtkHTMLStream;
> status:TGtkHTMLStreamStatus);cdecl; external
> gtkhtmllib;
>   procedure gtk_html_load_empty(html:PGtkHTML);cdecl;
> external gtkhtmllib;
>   procedure gtk_html_load_from_string(html:PGtkHTML;
> str:Pgchar;
> len:gint);cdecl; external gtkhtmllib;
> 
>   { Saving.   }
>   function gtk_html_save(html:PGtkHTML;
> receiver:TGtkHTMLSaveReceiverFn;
> data:gpointer):gboolean;cdecl; external gtkhtmllib;
>   function gtk_html_export(html:PGtkHTML; _type:Pchar;
> receiver:TGtkHTMLSaveReceiverFn;
> data:gpointer):gboolean;cdecl; external
> gtkhtmllib;
> 
>   { Title.   }
>   function
> gtk_html_get_title(html:PGtkHTML):pgchar;cdecl;
> external
> gtkhtmllib;
>   procedure gtk_html_set_title(html:PGtkHTML;
> title:Pchar);cdecl; external
> gtkhtmllib;
> 
>   { Anchors.   }
>   function gtk_html_jump_to_anchor(html:PGtkHTML;
> anchor:Pgchar):gboolean;cdecl; external gtkhtmllib;
> 
>   procedure gtk_html_copy(html:PGtkHTML);cdecl;
> external gtkhtmllib;
> 
>   { misc utils  }
>   procedure
> gtk_html_set_default_background_color(html:PGtkHTML;
> c:PGdkColor);cdecl; external gtkhtmllib;
>   procedure
> gtk_html_set_default_content_type(html:PGtkHTML;
> content_type:Pgchar);cdecl; external gtkhtmllib;
> 
>   function gtk_html_get_object_by_id(html:PGtkHTML;
>  id:Pgchar):gpointer;cdecl; external gtkhtmllib;
> 
>   procedure gtk_html_zoom_in(html:PGtkHTML);cdecl;
> external gtkhtmllib;
>   procedure gtk_html_zoom_out(html:PGtkHTML);cdecl;
> external gtkhtmllib;
>   procedure gtk_html_zoom_reset(html:PGtkHTML);cdecl;
> external gtkhtmllib;
>   procedure gtk_html_set_allow_frameset(html:PGtkHTML;
> allow:gboolean);cdecl;
> external gtkhtmllib;
>   function
> gtk_html_get_allow_frameset(html:PGtkHTML):gboolean;cdecl;
>  external gtkhtmllib;
> 
>   procedure gtk_html_images_ref(html:PGtkHTML);cdecl;
> external gtkhtmllib;
>   procedure
> gtk_html_images_unref(html:PGtkHTML);cdecl; external
> gtkhtmllib;
> 
>   procedure gtk_html_image_ref(html:PGtkHTML;
> url:Pgchar);cdecl; external
> gtkhtmllib;
>   procedure gtk_html_image_unref(html:PGtkHTML;
> url:Pgchar);cdecl; external
> gtkhtmllib;
>   procedure gtk_html_image_preload(html:PGtkHTML;
> url:Pgchar);cdecl; external
> gtkhtmllib;
>   procedure gtk_html_set_blocking(html:PGtkHTML;
> block:gboolean);cdecl;
> external gtkhtmllib;
> 
>   {stream}
>   function gtk_html_stream_new(html:PGtkHTML;
> type_func:TGtkHTMLStreamTypesFunc;
> write_func:TGtkHTMLStreamWriteFunc;
> close_func:TGtkHTMLStreamCloseFunc;
> user_data:gpointer):PGtkHTMLStream;cdecl;
> external gtkhtmllib;
>   procedure
> gtk_html_stream_write(stream:PGtkHTMLStream;
> buffer:Pgchar;
> size:integer);cdecl; external gtkhtmllib;
>   procedure
> gtk_html_stream_destroy(stream:PGtkHTMLStream);cdecl;
> external
> gtkhtmllib;
>   procedure
> gtk_html_stream_close(stream:PGtkHTMLStream;
> status:TGtkHTMLStreamStatus);cdecl; external
> gtkhtmllib;
>   function
> gtk_html_stream_get_types(stream:PGtkHTMLStream):ppchar;cdecl;
> external gtkhtmllib;
> 
> implementation
> 
> {$IFNDEF KYLIX}
> { There is a bug in the compiler. If an external
> variable is not used, it
>  will create code, that can be relocated by the
> linker.
>   So, use them in this hidden procedure.
> }
> procedure CheckUnusedVariable; [Public];
> begin
>   if (gtk_major_version<>0) then ;
>   if (gtk_minor_version<>0) then ;
>   if (gtk_micro_version<>0) then ;
>   if (gtk_binary_age<>0) then ;
>   if (gtk_interface_age<>0) then ;
>   if (ord(gtk_text_attr_appearance_type)<>0) then ;
> end;
> {$ENDIF}
> 
>   function GTK_TYPE_HTML : GType;
>   begin
>     GTK_TYPE_HTML:=gtk_html_get_type;
>   end;//GTK_TYPE_HTML
> 
>   function GTK_HTML(obj: pointer) : PGtkHTML;
>   begin
>    
> GTK_HTML:=PGtkHTML(GTK_CHECK_CAST(obj,GTK_TYPE_HTML));
>   end;//GTK_HTML
> 
>   function GTK_HTML_CLASS(klass: pointer) :
> PGtkHTMLClass;
>   begin
>    
> GTK_HTML_CLASS:=PGtkHTMLClass(GTK_CHECK_CLASS_CAST(klass,GTK_TYPE_HTM
> L));
>   end;//GTK_HTML_CLASS
> 
>   function GTK_IS_HTML(obj: pointer) : boolean;
>   begin
>     GTK_IS_HTML:=GTK_CHECK_TYPE(obj,GTK_TYPE_HTML);
>   end;//GTK_IS_HTML
> 
>   function GTK_IS_HTML_CLASS(klass: pointer) :
> boolean;
>   begin
>    
> GTK_IS_HTML_CLASS:=GTK_CHECK_CLASS_TYPE(klass,GTK_TYPE_HTML);
>   end;//GTK_IS_HTML_CLASS
> end.//unit gtkhtml
> 
> <<<<<<<<<< end of file gtkhtml.pas <<<<<<<<<<<
> 
> >>>>>>>>>> the test file, test.pp  >>>>>>>>>>>>>>>>>>
> 
> program test;
> 
> {$H+}
> 
> uses
>   glib2, gtk2, gdk2, gtkhtml;
> 
> var
>   window : PGtkWidget;
>   sw     : PGtkWidget;
>   html   : PGtkWidget;
> 
> procedure destroy (window: PGtkWidget; data:
> gpointer); cdecl;
> begin
>    gtk_main_quit();
> end;//destroy
> 
> begin
>   gtk_init(@argc,@argv);
> 
>   window:=gtk_window_new(GTK_WINDOW_TOPLEVEL);
>  
> g_signal_connect(window,'destroy',TGCallback(@destroy),NULL);
> 
>   sw:=gtk_scrolled_window_new(NULL,NULL);
>   gtk_widget_show(sw);
>   gtk_container_add(PGtkContainer(window),sw);
> 
>   html:=gtk_html_new();
>   gtk_widget_show(html);
>  
> gtk_scrolled_window_add_with_viewport(PGtkScrolledWindow(sw),html);
> 
>   gtk_widget_show(window);
>   gtk_main();
> end.//test
> 
> <<<<<<<<<< end of file test.pp <<<<<<<<<<<
> 
> 
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