Re: Fwd: gnome applet w/ bash

["Michael Lamothe" <michael lamothe gmail com>]

Hi Matteo,

I'm not following.  What box?  A GtkBox?  What "row"?

Have you thought of using Glade to do your UI work?

Thanks,

Michael

On 05/11/2007, Matteo Landi <matteo landi email it> wrote:
> ok ok that worked, but the output is the same as before...
>
> just try to create a box with two labels inside:
>
> one createt with label = gtk_label_new ("foo");
> and the other created with label = gtk_label_new (std_output);
>
> i got the foo one middle aligned and the second placed on the top of the
> row.. am i wrong?
>
> M@
>
> On Mon, 2007-11-05 at 22:06 +1100, Michael Lamothe wrote:
> > Your pseudo makes no sense, how can you pass a char * into parameter 2
> > of g_spawn_command_line_sync() when its a gchar**.  This worked for
> > me,
> >
> >
> >       gchar* std_output = NULL;
> >       g_spawn_command_line_sync("ls -al", &std_output, NULL, NULL, NULL);
> >       printf(std_output);
> >
> > Thanks,
> >
> > Michael
> >
> >
> > On 05/11/2007, Matteo Landi <matteo landi email it> wrote:
> > > Tnx i think that the first one is the function i'm in need of; by the
> > > way i cant' make it work, and my gnome panel crashs everytime i run the
> > > applet, so i think there is some problems with memory:
> > > well, i've got:
> > > const char* data (as argoment of a function)
> > > char *std_out (created in the function)
> > >
> > > g_spawn_command_line_sync(data, std_out, NULL, NULL, NULL);
> > >
> > > is this call right? i think not...but why??
> > >
> > > tnx again
> > > M@
> > >
> > > On Mon, 2007-11-05 at 15:21 +1100, Michael Lamothe wrote:
> > > > Hi Matteo,
> > > >
> > > > There's a few ways to do this, two of which I'll tell you now.
> > > > Hopefully, you can change your application to use these functions
> > > > instead.
> > > >
> > > > Firstly, there's the g_spawn_ set of APIs designed for this.  I think
> > > > that something like g_spawn_command_line_sync() will do exactly what
> > > > you want.  Basically, GLib calculates and allocates the space
> > > > required.  The documentation mentions nothing about freeing the
> > > > allocated strings afterwards but I imagine you will have to free the
> > > > standard_output and standard_error parameters with g_free().
> > > >
> > > > Secondly, if the spawned program is meant to run asynchronously in the
> > > > background then you'll need to use something like
> > > > g_spawn_async_with_pipes().  I don't think that this is what you want
> > > > because you were talking about having to allocate the length of the
> > > > output.
> > > >
> > > > Thanks,
> > > >
> > > > Michael
> > > >
> > > > On 05/11/2007, Matteo Landi <matteo landi email it> wrote:
> > > > > thank you very much, that solved one of my problems.
> > > > > here is the second:
> > > > > i'm using a pipe to catch the output of a specific command and store it
> > > > > as a label in the panel; the problem is that if the array containing the
> > > > > output is smaller than the output itself, the line is cut, and the
> > > > > applet is show all middle aligned; if the output is bigger, i get the
> > > > > label splitted in two lines: the first one containing the entire output,
> > > > > and the second one is empty.
> > > > > How could i solve this? maybe with dynamic allocation of memory, but in
> > > > > order to know the output width size, i gotta insert a while that
> > > > > overload the applet isn't it?
> > > > > tnx in advance for the help
> > > > >
> > > > > M@
> > > > >
> > > > >
> > > > > On Sun, 2007-11-04 at 13:33 +1100, Michael Lamothe wrote:
> > > > > > Hi Matteo,
> > > > > >
> > > > > > Look at g_timeout_add() or the new gdk_threads_add_timeout().
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Michael
> > > > > >
> > > > > >
> > > > > > On 04/11/2007, Matteo Landi <matteo landi email it> wrote:
> > > > > > > hi all
> > > > > > > i'm a complete newbie in developing with gtk, but yesterday i had an
> > > > > > > idea about develope a gnome panel which could substitute conky..
> > > > > > > In fact i'm in need of a panel that simply display the output of a bash
> > > > > > > script..
> > > > > > > well, after have googled a bit, i found a guide for implementing gnome
> > > > > > > applet and here is the result
> > > > > > >
> > > > > > > #include <string.h>
> > > > > > > #include <panel-applet.h>
> > > > > > > #include <gtk/gtklabel.h>
> > > > > > > #include <stdio.h>
> > > > > > >
> > > > > > > static gboolean on_button_press (GtkWidget *event_box, GdkEventButton
> > > > > > > *event, GtkWidget* label){
> > > > > > >         if (event->button != 1)
> > > > > > >                 return FALSE;
> > > > > > >         else {
> > > > > > >                 FILE* fp;
> > > > > > >                 char line[160];
> > > > > > >                 fp = popen("~/scripts/allin1", "r");
> > > > > > >                 fgets( line, sizeof line, fp);
> > > > > > >                 pclose(fp);
> > > > > > >                 gtk_label_set_text (label,(const char*) line);
> > > > > > >         }
> > > > > > >         return TRUE;
> > > > > > > }
> > > > > > >
> > > > > > > static gboolean my_applet_fill (PanelApplet *applet, const gchar *iid,
> > > > > > > gpointer data){
> > > > > > >         FILE* fp;
> > > > > > >         int pid;
> > > > > > >         char line[160];
> > > > > > >         GtkWidget *label;
> > > > > > >
> > > > > > >         fp = popen("~/scripts/allin1", "r");
> > > > > > >         fgets( line, sizeof line, fp);
> > > > > > >         pclose(fp);
> > > > > > >
> > > > > > >         label = gtk_label_new (line);
> > > > > > >         gtk_container_add (GTK_CONTAINER (applet), label);
> > > > > > >
> > > > > > >         g_signal_connect (G_OBJECT(applet), "button_press_event", G_CALLBACK
> > > > > > > (on_button_press), label);
> > > > > > >
> > > > > > >         gtk_widget_show_all (GTK_WIDGET (applet));
> > > > > > >
> > > > > > >
> > > > > > >         return TRUE;
> > > > > > > }
> > > > > > >
> > > > > > > PANEL_APPLET_BONOBO_FACTORY ("OAFIID:my_applet_Factory",
> > > > > > > PANEL_TYPE_APPLET, "Conky Porting", "0", my_applet_fill, NULL);
> > > > > > >
> > > > > > > what i'm asking for is how could i refresh the label of the applet after
> > > > > > > a fixed period of time... (now the applets refresh when mouse-clicked)
> > > > > > > tnx in advance
> > > > > > >
> > > > > > > M@
> > > > > > >
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