Re: GTK3 porting problem (clipboard)

[Jaroslav Šmíd <jardasmid gmail com>]

I don't know the answer, but this is "wrong":
int nTargetCnt = g_list_length (list->list);

g_list_length returns guint, not int. Although this is valid code 
(implicit typecast), it can cause bad things.

On 03/10/2011 01:44 PM, Miroslav Rajcic wrote:
> I resolved the majority of the the issues when porting my program from
> GTK 2.x to GTK 3.x.
> Unfortunately I still have one issue left:
>
> when compiling the program on Feodra 15 alpha (gcc 4.6, GTK3 v3.0.2) I
> get these errors:
>
> ./src/clipboard.cpp:442:38: error: invalid use of incomplete type
> 'GtkTargetList'
> /usr/include/gtk-3.0/gtk/gtkselection.h:48:16: error: forward
> declaration of 'GtkTargetList'
> ./src/clipboard.cpp:445:20: error: invalid use of incomplete type
> 'GtkTargetList'
> /usr/include/gtk-3.0/gtk/gtkselection.h:48:16: error: forward
> declaration of 'GtkTargetList'
> ./src/clipboard.cpp:447:3: error: 'GtkTargetPair' was not declared in
> this scope
> ./src/clipboard.cpp:447:18: error: 'pair' was not declared in this scope
>
> The relevant code is this:
>
> #include <gtk/gtk.h>
>
> GtkTargetList *list = gtk_target_list_new (NULL, 0);
> .. add text and other targets in the list
>
> // LINE 442: error: invalid use of incomplete type 'GtkTargetList'
> int nTargetCnt = g_list_length (list->list);
>
> //LINE 445: error: invalid use of incomplete type 'GtkTargetList'
> for (GList *l=list->list; l; l=l->next, i++)
>
> //LINE 447: error: 'GtkTargetPair' was not declared in this scope
> GtkTargetPair *pair = (GtkTargetPair *)l->data;
>
> This all works fine with GTK2.x.
>
> What is the correct way to work with this on GTK 3.x ?
>
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