Re: drawing to textview's gdk_window

["Jonathan Winterflood" <jonathan winterflood gmail com>]

Hi,

Using g_signal_connect(), make your callback return false, so that
the original callback (that obviously
renders the text) will then be called also.

Jonathan

On 6/8/07, Luka Napotnik <luka napotnik gmail com> wrote:
> I now connected the expose-event signal to a callback function that
> draws a rectangle to the widget. The problem is that the font is under
> the rect. if I call g_signal_connect_after() and no text appears if I
> call g_signal_connect() but the rect is visible.
> I get the GdkWindow of the textview using:
> win = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
> GTK_TEXT_WINDOW_TEXT);
>
> I want the rect to be in the background of the textview. Is there any
> way to do that?
>
> Greets,
> Luka
>
> Dne 08.06.2007 (pet) ob 08:32 -0700 je Chris Sparks zapisal(a):
> > Luka,
> >
> > Sounds like an expose event needs to be signaled.  I use GDK only and
> > not GTK so I am not sure
> > how much of GTK is doing event processing.
> >
> > Chris
> > > Hello. I'm trying to draw a rectangle of a textview's background
> > > GdkWindow. First I get the gdk_window of the textview and and then try
> > > ot draw on it. But it doesn't work. Why?
> > >
> > > -----------------
> > > #include <gtk/gtk.h>
> > >
> > > int main(int argc, char **argv)
> > > {
> > >
> > >     GtkWidget *window;
> > >     GtkWidget *text;
> > >     GdkGC *gc;
> > >     GdkColor color1, color2;
> > >     GdkWindow *win;
> > >     gtk_init(&argc, &argv);
> > >
> > >     window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
> > >     text = gtk_text_view_new();
> > >     gtk_widget_show(text);
> > >     gtk_container_add(window, text);
> > >     gtk_widget_show_all(window);
> > >     gtk_widget_realize(text);
> > >
> > >     win = gtk_text_view_get_window(text, GTK_TEXT_WINDOW_WIDGET);
> > >     gc = gdk_gc_new(win);
> > >     gdk_color_parse("red", &color1);
> > >     gdk_gc_set_foreground(gc, &color1);
> > >     gdk_color_parse("black", &color2);
> > >     gdk_gc_set_background(gc, &color2);
> > >     gdk_gc_set_fill(gc, GDK_SOLID);
> > >
> > >     gdk_draw_rectangle(win, gc, TRUE, 1, 1, 20, 20);
> > >
> > >     gtk_widget_set_size_request(window, 500, 400);
> > >     gtk_main();
> > >     return 0;
> > > }
> > > -------------------
> > >
> > >
> > > Greets,
> > > Luka
> > >
> > >
> ------------------------------------------------------------------------
> > >
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