linux-kernel - Re: [PATCH v2 2/9] kconfig: gconf: use configure-event handler to adjust pane separator

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Message-ID: <eddc5de9-5007-45eb-9d61-668d1225e211@infradead.org>
Date: Mon, 30 Jun 2025 16:11:14 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Masahiro Yamada <masahiroy@...nel.org>, linux-kbuild@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/9] kconfig: gconf: use configure-event handler to
 adjust pane separator



On 6/29/25 11:43 AM, Masahiro Yamada wrote:
> The size_request event handler is currently used to adjust the position
> of the horizontal separator in the right pane.
> 
> However, the size_request signal is not available in GTK 3. Use the
> configure-event signal instead.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>

Tested-by: Randy Dunlap <rdunlap@...radead.org>

Thanks.

> ---
> 
> Changes in v2:
>   - Use the "configure-event" instead of "size-allocate" signal.
>     This fixes the problem where we cannot move the horizontal
>     separator in the right pane.
> 
>  scripts/kconfig/gconf.c | 25 +++++++------------------
>  1 file changed, 7 insertions(+), 18 deletions(-)
> 
> diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
> index 22badd2f710e..8b19298eef61 100644
> --- a/scripts/kconfig/gconf.c
> +++ b/scripts/kconfig/gconf.c
> @@ -604,23 +604,12 @@ static void on_window1_destroy(GtkObject *object, gpointer user_data)
>  	gtk_main_quit();
>  }
>  
> -static void on_window1_size_request(GtkWidget *widget,
> -				    GtkRequisition *requisition,
> -				    gpointer user_data)
> +static gboolean on_window1_configure(GtkWidget *self,
> +				     GdkEventConfigure *event,
> +				     gpointer user_data)
>  {
> -	static gint old_h;
> -	gint w, h;
> -
> -	if (widget->window == NULL)
> -		gtk_window_get_default_size(GTK_WINDOW(main_wnd), &w, &h);
> -	else
> -		gdk_window_get_size(widget->window, &w, &h);
> -
> -	if (h == old_h)
> -		return;
> -	old_h = h;
> -
> -	gtk_paned_set_position(GTK_PANED(vpaned), 2 * h / 3);
> +	gtk_paned_set_position(GTK_PANED(vpaned), 2 * event->height / 3);
> +	return FALSE;
>  }
>  
>  static gboolean on_window1_delete_event(GtkWidget *widget, GdkEvent *event,
> @@ -1021,8 +1010,8 @@ static void init_main_window(const gchar *glade_file)
>  	main_wnd = glade_xml_get_widget(xml, "window1");
>  	g_signal_connect(main_wnd, "destroy",
>  			 G_CALLBACK(on_window1_destroy), NULL);
> -	g_signal_connect(main_wnd, "size_request",
> -			 G_CALLBACK(on_window1_size_request), NULL);
> +	g_signal_connect(main_wnd, "configure-event",
> +			 G_CALLBACK(on_window1_configure), NULL);
>  	g_signal_connect(main_wnd, "delete_event",
>  			 G_CALLBACK(on_window1_delete_event), NULL);
>  

-- 
~Randy