progress bar on panel

[Dani]

Hello:

(I ama novice with gtk)

I wanted to put a progress bar on xfce4-panel.
I do not know why the behavior is different if it goes horizontally or 
vertically.
I am not able to focus on the widget.
They put different background colors so that the position can be 
appreciated.
What he wanted is:
- Center widget.
- Set the space to the sides (horizontal) up and down (vertical) so that 
it occupies less.

In the gtk3 documentation I did not find much about this.
Any idea of where do I have to look?


Here's an image of how it looks with the current code

https://ibb.co/dcb17w
https://image.ibb.co/n0sKub/xfce4_timer_plugin.png


The code is this, there are many commented parties, they are proof that 
they did not work ...

static void add_pbar(XfcePanelPlugin *plugin, plugin_data *pd){

   gdouble frac;

   GtkCssProvider *css_provider;

   gtk_widget_hide(GTK_WIDGET(plugin));

   /* Always true except at initialization */
   if(pd->box){
     g_object_ref(G_OBJECT(pd->pbar));
gtk_container_remove(GTK_CONTAINER(pd->box),pd->pbar);
     gtk_widget_destroy(pd->box);
   }

   if (pd -> box) {
     frac = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (pd->pbar));
     gtk_widget_destroy(pd->box);
     pd->pbar = gtk_progress_bar_new ();
     //gtk_progress_bar_set_bar_style (GTK_PROGRESS_BAR(pd->pbar),
     //                GTK_PROGRESS_CONTINUOUS);
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pd->pbar),frac);
   }

   gtk_progress_bar_set_inverted (GTK_PROGRESS_BAR(pd->pbar), TRUE);



   /* vertical bar */
if(xfce_panel_plugin_get_orientation(plugin)==GTK_ORIENTATION_HORIZONTAL){
     pd->box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
     gtk_widget_set_name (GTK_WIDGET (pd->box ), "xfce4-timer-plugin-v");
     //gtk_container_set_border_width (GTK_CONTAINER(pd->box), BORDER/2);
     gtk_container_set_border_width (GTK_CONTAINER(pd->box), 0);

     gtk_container_add(GTK_CONTAINER(plugin),pd->box);
gtk_orientable_set_orientation(GTK_ORIENTABLE(pd->pbar),
GTK_ORIENTATION_VERTICAL);
gtk_widget_set_size_request(GTK_WIDGET(pd->pbar),PBAR_THICKNESS,0);
     //gtk_box_pack_start(GTK_BOX(pd->box),
     // gtk_separator_new(GTK_ORIENTATION_VERTICAL),
     //                   FALSE, FALSE, 0);



         /* Sane default Gtk style */
         css_provider = gtk_css_provider_new ();
         gtk_css_provider_load_from_data (css_provider,
"#xfce4-timer-plugin-v {"
//"-GtkWidget-focus-padding: 0;"
//"-GtkWidget-focus-line-width: 0;"
//"-GtkButton-default-border: 0;"
//"-GtkButton-inner-border: 0;"
//"-GtkButton-background-color: red;"
                                          "background-color: red;"
                                          //"padding: 0px;"
                                          //"padding‑right: -10px;"
                                          //"margin‑right: -10px;"
                                          //"border‑right: -10px;"
                                          //"width: 20px;"
                                          "border-left: solid 15px blue;"
                                          "border-right: solid 5px pink;"
                                          "}",
                                          -1, NULL);
         gtk_style_context_add_provider (GTK_STYLE_CONTEXT 
(gtk_widget_get_style_context (GTK_WIDGET (pd->box ))),
                                         GTK_STYLE_PROVIDER 
(css_provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);

gtk_box_pack_start(GTK_BOX(pd->box),pd->pbar,FALSE,FALSE,0);
     //gtk_box_pack_start(GTK_BOX(pd->box),
     // gtk_separator_new(GTK_ORIENTATION_VERTICAL),
     //                   FALSE, FALSE, 0);



   }
   else{ /* horizontal bar */
     pd->box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
     gtk_widget_set_name (GTK_WIDGET (pd->box ), "xfce4-timer-plugin-h");
     //gtk_container_set_border_width (GTK_CONTAINER(pd->box), BORDER/2);
     gtk_container_set_border_width (GTK_CONTAINER(pd->box), BORDER/2);
     gtk_container_add(GTK_CONTAINER(plugin),pd->box);

gtk_orientable_set_orientation(GTK_ORIENTABLE(pd->pbar),
                     GTK_ORIENTATION_HORIZONTAL);
gtk_widget_set_size_request(GTK_WIDGET(pd->pbar),0,PBAR_THICKNESS);
     //gtk_box_pack_start(GTK_BOX(pd->box),
     // gtk_separator_new(GTK_ORIENTATION_HORIZONTAL),
     //                   FALSE, FALSE, 0);

     gtk_widget_set_name (GTK_WIDGET (pd->pbar ), 
"xfce4-timer-plugin-h-pbar");
     /* Sane default Gtk style */
     css_provider = gtk_css_provider_new ();
     gtk_css_provider_load_from_data (css_provider,
                                      "#xfce4-timer-plugin-h {"
//"-GtkWidget-focus-padding: 0;"
//"-GtkWidget-focus-line-width: 0;"
//"-GtkButton-default-border: 0;"
//"-GtkButton-inner-border: 0;"
//"-GtkButton-background-color: red;"
                                      "background-color: green;"
                                      //"padding: 0px;"
                                      "padding‑right: 20px;"
                                      "margin‑right: 20px;"
                                      "border-width: 20px;"
                                      "border-top-color: rgb(128,57,0);"
                                      "border-left-color: 
rgba(10%,20%,30%,0.5);"
                                      "border-right-color: #ff00cc;"
                                      "border-bottom-color: 
#ffff0000cccc;}  #xfce4-timer-plugin-h-pbar {border: solid 5px pink;}",
                                      -1, NULL);
     gtk_style_context_add_provider (GTK_STYLE_CONTEXT 
(gtk_widget_get_style_context (GTK_WIDGET (pd->box ))),
                                     GTK_STYLE_PROVIDER (css_provider), 
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);

gtk_box_pack_start(GTK_BOX(pd->box),pd->pbar,FALSE,FALSE,0);
     //gtk_box_pack_start(GTK_BOX(pd->box),
     // gtk_separator_new(GTK_ORIENTATION_HORIZONTAL),
     //                   FALSE, FALSE, 0);

   }


   gtk_widget_show_all(GTK_WIDGET(plugin));

}


Very thanks

-- 
Dani

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