Problème de segmentation gtk

**Soknz** · 14/12/2020, 18h09

Bonjour j'ai un problème de segmentation dans mon programme GTK lorsque j'appuie sur le bouton + ce message d'erreur apparaît

Gtk-CRITICAL **: 18:11:05.625: gtk_box_pack: assertion '_gtk_widget_get_parent (child) == NULL' failed
Erreur de segmentation (core dumped)

Code :

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#include <gtk/gtk.h>
#include <unistd.h>
#include<stdlib.h>
#include<stdio.h>
#include<string.h>
#include <glib/gprintf.h>
 
typedef struct{
  const gchar* nom;
  const gchar* prenom;
  const gchar* adr;
  const gchar* cp;
  const gchar* type;
  const gchar* email;
  const gchar* num;
}contact;
 
typedef struct{
  GtkWidget *win;
  GtkWidget *vbox, *hbox, *hbox_g, *hbox_b,*hbox_action, *hbox_a;
  GtkWidget *grill;
  GtkWidget *gresh;
  GtkWidget *affiche;
  GtkWidget *bcont[50];
  GtkWidget *labaffiche[13];
  GtkWidget *ba, *bv, *be, *bf;
  GtkWidget *label1, *label2;
  GtkWidget *entry;
  contact c[50];
  gint n;
  gint id;
}uData;
 
enum {COL_ID=0, COL_VAL=1};
gchar* lst_type[] = {"PRO", "Perso", "Autre"};
 
typedef struct{
  gint    id;
  gchar*  type;
}Datatype;
 
typedef struct{
  GtkWidget *gri;
  GtkWidget *bcon, *banu;
  GtkWidget *labnom, *labpre, *labcp, *labadr, *labem, *labnum, *labty;
  GtkWidget *entnom, *entpre, *entcp, *entadr, *entem, *entnum;
  GtkWidget *combo;
}Ajouter;
 
void ajouter (GtkButton* btn, gpointer Data)
{
  uData* uWData = Data;
  Ajouter* ajou;
  GtkWidget* diagArea;
   GtkWidget * diag = gtk_dialog_new_with_buttons("Ajouter un contact",
						 GTK_WINDOW(uWData->win),
						 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
						 "Confirmer", GTK_RESPONSE_ACCEPT,
						 "Annuler", GTK_RESPONSE_CANCEL,
						 NULL);
 
  diagArea = gtk_dialog_get_content_area (GTK_DIALOG (diag));
  gtk_container_set_border_width (GTK_CONTAINER (diagArea), 10);
 
  ajou->gri = gtk_grid_new();
  ajou->labnom = gtk_label_new("Nom: ");
  ajou->entnom = gtk_entry_new();
  ajou->labpre = gtk_label_new("Prenom: ");
  ajou->entpre = gtk_entry_new();
  ajou->labcp = gtk_label_new("Code postal: ");
  ajou->entcp = gtk_entry_new();
  ajou->labadr = gtk_label_new("Adresse: ");
  ajou->entadr = gtk_entry_new();
  ajou->labem = gtk_label_new("Email");
  ajou->entem = gtk_entry_new();
  ajou->labnum = gtk_label_new("Numero");
  ajou->entnum = gtk_entry_new();
  ajou->labty = gtk_label_new("Type: ");
 
 
  GtkTreeIter iter;
  GtkListStore *lst = gtk_list_store_new(2, G_TYPE_INT, G_TYPE_STRING);
  for (gint i = 0; i< 3 ; i ++){
    Datatype dLang;
    dLang.id = i;
    dLang.type = lst_type[i];
    gtk_list_store_append (lst, &iter);
    gtk_list_store_set(lst, &iter, COL_ID, dLang.id , COL_VAL, dLang.type, -1);
  }
  ajou->combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(lst));
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labnom , 0, 0, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entnom , 1, 0, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labpre , 0, 1, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entpre , 1, 1, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labadr , 0, 2, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entadr , 1, 2, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labcp  , 0, 3, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entcp  , 1, 3, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labem  , 0, 4, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entem  , 1, 4, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labnum , 0, 5, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entnum , 1, 5, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labty , 0, 6, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->combo , 1, 6, 1, 1);
 
  //ajouter le champs de saisie à boite de dialogue
  gtk_container_add (GTK_CONTAINER (diagArea), ajou->gri);
 
  //aficher les éléments de la boite de dialogue
  gtk_widget_show_all (diag);
 
  // Affciher la boite de dialogue et récupérer la valeur du bouton 
  gint res = gtk_dialog_run(GTK_DIALOG(diag));
 
  switch(res){
  case GTK_RESPONSE_ACCEPT:
    //récupérer la valeur sasise par l'utilisateur dans la boite de dialogue
    uWData->c[uWData->n].nom = gtk_entry_get_text(GTK_ENTRY(ajou->entnom));
    uWData->c[uWData->n].prenom = gtk_entry_get_text(GTK_ENTRY(ajou->entpre));
    uWData->c[uWData->n].cp = gtk_entry_get_text(GTK_ENTRY(ajou->entcp));
    uWData->c[uWData->n].adr = gtk_entry_get_text(GTK_ENTRY(ajou->entadr));
    uWData->c[uWData->n].email = gtk_entry_get_text(GTK_ENTRY(ajou->entem));
    uWData->c[uWData->n].num = gtk_entry_get_text(GTK_ENTRY(ajou->entnum));
 
    GtkTreeModel* tmpLst;
    Datatype selectedData;
 
 
  tmpLst = gtk_combo_box_get_model (GTK_COMBO_BOX(ajou->combo));
 
  gboolean is_active = gtk_combo_box_get_active_iter (GTK_COMBO_BOX(ajou->combo), & iter);
  if(is_active){
    gtk_tree_model_get (tmpLst, &iter, COL_ID , &selectedData.id, COL_VAL, &selectedData.type, -1);
    uWData->c[uWData->n].type = selectedData.type;
  }
    //affecter cette valeur au label dans la fenetre principale
    uWData->bcont[uWData->n] = gtk_button_new_with_label(uWData->c[uWData->n].nom);
    gtk_grid_attach (GTK_GRID(uWData->grill), uWData->bcont[uWData->n] , 0, uWData->n, 1, 1);
    uWData->n++;
    break;
  case GTK_RESPONSE_CANCEL:
  case GTK_RESPONSE_NONE:
    break;
  }
  gtk_widget_destroy(diag);
 
 
}
 
// Affiche un contact 
 
void affichage (GtkButton* btn, gpointer Data)
{
    uData* uWData = Data;
 
    uWData->labaffiche[0] = gtk_label_new("Nom: ");
    uWData->labaffiche[1]= gtk_label_new(uWData->c[uWData->id].nom);
    uWData->labaffiche[2] = gtk_label_new("Prenom: ");
    uWData->labaffiche[3]= gtk_label_new(uWData->c[uWData->id].prenom);
    uWData->labaffiche[4] = gtk_label_new("Adresse: ");
    uWData->labaffiche[5]= gtk_label_new(uWData->c[uWData->id].adr);
    uWData->labaffiche[6] = gtk_label_new("Code postale: ");
    uWData->labaffiche[7]= gtk_label_new(uWData->c[uWData->id].cp);
    uWData->labaffiche[8] = gtk_label_new("Email: ");
    uWData->labaffiche[9]= gtk_label_new(uWData->c[uWData->id].email);
    uWData->labaffiche[10]= gtk_label_new("Numero: ");
    uWData->labaffiche[11]= gtk_label_new(uWData->c[uWData->id].num);
    uWData->labaffiche[12] = gtk_label_new("Type: ");
    uWData->labaffiche[13]= gtk_label_new(uWData->c[uWData->id].type);
 
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[0] , 0, 0, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[1] , 1, 0, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[2] , 0, 1, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[3] , 1, 1, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[4] , 0, 2, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[5] , 1, 2, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[6]  , 0, 3, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[7] , 1, 3, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[8], 0, 4, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[9], 1, 4, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[10], 0, 5, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[11], 1, 5, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[12], 0, 6, 1, 1);
  gtk_grid_attach (GTK_GRID(uWData->affiche), uWData->labaffiche[13], 1, 6, 1, 1);
  gtk_label_set_text(GTK_LABEL(uWData->label2),uWData->c[uWData->id].nom);
}
 
// Modifier un contact 
 
void modifier (GtkButton* btn, gpointer Data)
{
  uData* uWData = Data;
  Ajouter* ajou;
GtkWidget* diagArea;
   GtkWidget * diag = gtk_dialog_new_with_buttons("Modifier un contact",
						 GTK_WINDOW(uWData->win),
						 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
						 "Confirmer", GTK_RESPONSE_ACCEPT,
						 "Annuler", GTK_RESPONSE_CANCEL,
						 NULL);
 
  diagArea = gtk_dialog_get_content_area (GTK_DIALOG (diag));
  gtk_container_set_border_width (GTK_CONTAINER (diagArea), 10);
 
  ajou->gri = gtk_grid_new();
  ajou->labnom = gtk_label_new("Nom: ");
  ajou->entnom = gtk_entry_new();
  ajou->labpre = gtk_label_new("Prenom: ");
  ajou->entpre = gtk_entry_new();
  ajou->labcp = gtk_label_new("Code postal: ");
  ajou->entcp = gtk_entry_new();
  ajou->labadr = gtk_label_new("Adresse: ");
  ajou->entadr = gtk_entry_new();
  ajou->labem = gtk_label_new("Email");
  ajou->entem = gtk_entry_new();
  ajou->labnum = gtk_label_new("Numero");
  ajou->entnum = gtk_entry_new();
  ajou->labty = gtk_label_new("Type: ");
 
 
  GtkTreeIter iter;
  GtkListStore *lst = gtk_list_store_new(2, G_TYPE_INT, G_TYPE_STRING);
  for (gint i = 0; i< 3 ; i ++){
    Datatype dLang;
    dLang.id = i;
    dLang.type = lst_type[i];
    gtk_list_store_append (lst, &iter);
    gtk_list_store_set(lst, &iter, COL_ID, dLang.id , COL_VAL, dLang.type, -1);
  }
  ajou->combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(lst));
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labnom , 0, 0, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entnom , 1, 0, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labpre , 0, 1, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entpre , 1, 1, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labadr , 0, 2, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entadr , 1, 2, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labcp  , 0, 3, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entcp  , 1, 3, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labem  , 0, 4, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entem  , 1, 4, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labnum , 0, 5, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->entnum , 1, 5, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->labty , 0, 6, 1, 1);
  gtk_grid_attach (GTK_GRID(ajou->gri), ajou->combo , 1, 6, 1, 1);
 
  //ajouter le champs de saisie à boite de dialogue
  gtk_container_add (GTK_CONTAINER (diagArea), ajou->gri);
 
  //aficher les éléments de la boite de dialogue
  gtk_widget_show_all (diag);
 
  // Affciher la boite de dialogue et récupérer la valeur du bouton 
  gint res = gtk_dialog_run(GTK_DIALOG(diag));
 
  switch(res){
  case GTK_RESPONSE_ACCEPT:
    //récupérer la valeur sasise par l'utilisateur dans la boite de dialogue
    uWData->c[uWData->id].nom = gtk_entry_get_text(GTK_ENTRY(ajou->entnom));
    uWData->c[uWData->id].prenom = gtk_entry_get_text(GTK_ENTRY(ajou->entpre));
    uWData->c[uWData->id].cp = gtk_entry_get_text(GTK_ENTRY(ajou->entcp));
    uWData->c[uWData->id].adr = gtk_entry_get_text(GTK_ENTRY(ajou->entadr));
    uWData->c[uWData->id].email = gtk_entry_get_text(GTK_ENTRY(ajou->entem));
    uWData->c[uWData->id].num = gtk_entry_get_text(GTK_ENTRY(ajou->entnum));
 
    GtkTreeModel* tmpLst;
    Datatype selectedData;
 
 
  tmpLst = gtk_combo_box_get_model (GTK_COMBO_BOX(ajou->combo));
 
  gboolean is_active = gtk_combo_box_get_active_iter (GTK_COMBO_BOX(ajou->combo), & iter);
  if(is_active){
    gtk_tree_model_get (tmpLst, &iter, COL_ID , &selectedData.id, COL_VAL, &selectedData.type, -1);
    uWData->c[uWData->id].type = selectedData.type;
  }
    //affecter cette valeur au label dans la fenetre principale
    uWData->bcont[uWData->id] = gtk_button_new_with_label(uWData->c[uWData->id].nom);
    gtk_grid_attach (GTK_GRID(uWData->grill), uWData->bcont[uWData->n] , 0, uWData->id, 1, 1);
    break;
  case GTK_RESPONSE_CANCEL:
  case GTK_RESPONSE_NONE:
    break;
  }
  gtk_widget_destroy(diag);
 
 
 
 
}
 
 // Supprimer un contact 
 
void supprimer (GtkButton* btn, gpointer Data)
{
  uData* uWData = Data;
  gint i;
  for (i = uWData->id - 1; i < uWData->n - 1; i++)
  {      
         uWData->bcont[i] = uWData->bcont[i+1];
         uWData->c[i].nom = uWData->c[i+1].nom;
         uWData->c[i].prenom = uWData->c[i+1].prenom;
         uWData->c[i].adr = uWData->c[i+1].adr;
         uWData->c[i].cp = uWData->c[i+1].cp;
         uWData->c[i].type = uWData->c[i+1].type;
         uWData->c[i].email = uWData->c[i+1].email;
         uWData->c[i].num = uWData->c[i+1].num;
  }
}
 
 
 
 
 
int main(int argc, char* argv[]){
  uData data;
  gint i;
  data.n=0;
  gtk_init(&argc, &argv);
  //Création de la window
  data.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_container_set_border_width (GTK_CONTAINER (data.win), 20);
  g_signal_connect (G_OBJECT(data.win),"delete_event",G_CALLBACK(gtk_main_quit) ,NULL); 
 
  data.vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL,20);
  gtk_container_add(GTK_CONTAINER(data.win),data.vbox);
 
  data.hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,10);
  gtk_box_pack_start (GTK_BOX(data.vbox), data.hbox, FALSE, FALSE, 15);
 
 
  data.hbox_g = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,10);
  gtk_box_pack_start (GTK_BOX( data.hbox), data.hbox_g, FALSE, FALSE, 5);
 
  data.ba =  gtk_button_new_with_label("+");
  data.grill = gtk_grid_new();
  g_signal_connect(G_OBJECT(data.ba),"clicked",G_CALLBACK(ajouter) ,&data);
 
 
 
  gtk_box_pack_start (GTK_BOX(data.hbox_g), data.ba, FALSE, FALSE, 5);
  data.label1 = gtk_label_new("Les contacts");
  gtk_box_pack_start (GTK_BOX(data.hbox_g),data.label1, FALSE, FALSE, 5);
  data.bv =gtk_button_new_with_label("V");
  gtk_box_pack_start (GTK_BOX(data.hbox_g), data.bv, FALSE, FALSE, 5);
 
  data.hbox_b= gtk_box_new(GTK_ORIENTATION_HORIZONTAL,10);
  gtk_box_pack_start (GTK_BOX( data.hbox), data.hbox_b, FALSE, FALSE, 5);
  data.label2= gtk_label_new("Nom et Prenom");
  gtk_box_pack_start (GTK_BOX(data.hbox_b),data.label2, FALSE, FALSE, 5);
  data.be =gtk_button_new_with_label("edit");
  gtk_box_pack_start (GTK_BOX(data.hbox_b), data.be, FALSE, FALSE, 5);
  data.bf =gtk_button_new_with_label("*");
  gtk_box_pack_start (GTK_BOX(data.hbox_b), data.bf, FALSE, FALSE, 5);
 
 
  data.hbox_a = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,10);
  gtk_box_pack_start (GTK_BOX(data.vbox), data.hbox_a, FALSE, FALSE, 5);
  data.entry = gtk_search_entry_new();
  gtk_box_pack_start (GTK_BOX(data.hbox_a), data.entry, FALSE, FALSE, 5);
  data.affiche = gtk_grid_new();
  gtk_box_pack_start (GTK_BOX(data.hbox_a), data.affiche, FALSE, FALSE, 5);
  for (i=0;i<data.n;i++)
  {
    data.id=i;
    g_signal_connect(G_OBJECT(data.bcont[i]),"clicked",G_CALLBACK(affichage) ,&data); 
    g_signal_connect(G_OBJECT(data.be),"clicked",G_CALLBACK(modifier) ,&data);
    g_signal_connect(G_OBJECT(data.bf),"clicked",G_CALLBACK(supprimer) ,&data);
 
  }
 
 
  data.hbox_action = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,10);
  gtk_box_pack_start (GTK_BOX(data.vbox), data.hbox_action, FALSE, FALSE, 5);
  gtk_box_pack_start (GTK_BOX(data.hbox_action), data.grill, FALSE, FALSE, 5);
 
  //Recherche 
 
  const gchar* val;
  gint l;
  val = gtk_entry_get_text(GTK_ENTRY(data.entry));
  while(strlen(val)>0){
    data.gresh = gtk_grid_new();
   // gtk_box_pack_start_defaults(data.hbox_action);
    for(i=0;i<data.n;i++)
    {
      if((val == data.c[i].nom) || (val == data.c[i].prenom) || (val == data.c[i].num ))
      {
       gtk_grid_attach (GTK_GRID(data.gresh), data.bcont[i] , 0, l, 1, 1);
       l++; 
      }
    }
    gtk_box_pack_start (GTK_BOX(data.hbox_action), data.gresh, FALSE, FALSE, 5);
  }
 
 
  //gtk_box_pack_start_defaults(data.hbox_action);
  gtk_box_pack_start (GTK_BOX(data.hbox_action), data.grill, FALSE, FALSE, 5);
  gtk_widget_show_all(data.win);
  gtk_main();
  return 0;
}

Merci de votre aide .

**gerald3d** · 15/12/2020, 10h27

Bonjour.

Tout d'abord une petite remarque. Je trouve qu'il y a beaucoup trop d'enchevêtrement de GtkBox. On y perd son latin

. Je suis sûr que si tu prends un papier et un crayon et que tu dessines l'interface que tu veux in fine tu dois pouvoir réduire tout ce petit monde.

Pour revenir à ta question lors de l’exécution un premier message apparaît avant le segdefault :

Gtk-CRITICAL **: 09:51:24.851: gtk_box_pack: assertion '_gtk_widget_get_parent (child) == NULL' failed

tu essayes d'insérer data.grill deux fois dans data.hbox_action !

Une première fois ici :

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

1
2
3
4
5
...
data.hbox_action = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,10);
  gtk_box_pack_start (GTK_BOX(data.vbox), data.hbox_action, FALSE, FALSE, 5);
  gtk_box_pack_start (GTK_BOX(data.hbox_action), data.grill, FALSE, FALSE, 5);
...

Et une deuxième fois ligne 397. Commente cette dernière ligne pour supprimer le warning.

Pour le segdefault tu déclares un pointeur ligne 53 Ajouter* ajou;. Il n'est pas initilaisé ! D'où la corruption

. Déclares plutôt une variable Ajouter ajou;. Ca fonctionnera bien mieux

.

Une dernière remarque. Pour détruire une fenêtre on utilise le signal "destroy" et non "delete_event" ligne 322.