Bonjour,
J'ai quelque problème avec ma fenetre.
Mon main, affichige un joli menu dans lequel j'ai un bouton qui permet de séléctionner un fichier. Ce bouton (pApp->pButton[1] , pour ceux qui regarderont le code), me permet d'aller séléctionner un fichier.

Malheureusement quand j'éfféctue la séléction du fichier. Mon menu FileChooser disparait et ma fenetre principale aussi.

Toutes idées sera le bien venu
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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#include <stdlib.h>
#include <gtk/gtk.h>
 
struct _MainWindow{
 
    GtkWidget *pWindow;
    GtkWidget *pVBox[10];
    GtkWidget *pHBox[30];
    GtkWidget *pButton[3];
    GtkWidget *pImage;
 
    GtkWidget *pEntry[10];
    GtkWidget *pLabel[10];
    GtkWidget *pRLabel[10];
 
    GtkWidget *pFileview;
    GtkWidget *pRLabelFasta;
 
};
 
typedef struct _MainWindow MainWindow;
 
//void file_selectioned (GtkWidget *w, GtkFileSelection *fs){
//affiche le nom du fichier selectionner, apres validation, dans la console
  //  g_print ("%s\n", gtk_file_selection_get_filename (GTK_FILE_SELECTION (fs)));
//}
 
 
 
//Detruit la fenetre si elle est fermer
void destroy (GtkWidget *widget, gpointer *data){
       gtk_widget_destroy(widget);
}
 
void OnUpdate(GtkWidget *pEntry, gpointer data){
    const gchar *sText;
    MainWindow *pApp;
 
    /* Recuperation de data */
    pApp = (MainWindow*) data;
 
    /* Recuperation du texte contenu dans le GtkEntry */
    sText = gtk_entry_get_text(GTK_ENTRY(pApp->pEntry[0]));
    gtk_label_set_text(GTK_LABEL(pApp->pRLabel[0]), sText);
    gtk_entry_set_text(GTK_ENTRY(pApp->pEntry[0]), sText);
        /* Recuperation du texte contenu dans le GtkEntry */
    sText = gtk_entry_get_text(GTK_ENTRY(pApp->pEntry[1]));
    gtk_label_set_text(GTK_LABEL(pApp->pRLabel[1]), sText);
    gtk_entry_set_text(GTK_ENTRY(pApp->pEntry[1]), sText);
 
       /* Recuperation du texte contenu dans le GtkEntry */
    sText = gtk_entry_get_text(GTK_ENTRY(pApp->pEntry[2]));
    gtk_label_set_text(GTK_LABEL(pApp->pRLabel[2]), sText);
    gtk_entry_set_text(GTK_ENTRY(pApp->pEntry[2]), sText);
 
     /* Recuperation du texte contenu dans le GtkEntry */
    sText = gtk_entry_get_text(GTK_ENTRY(pApp->pEntry[3]));
    gtk_label_set_text(GTK_LABEL(pApp->pRLabel[3]), sText);
    gtk_entry_set_text(GTK_ENTRY(pApp->pEntry[3]), sText);
 
     /* Recuperation du texte contenu dans le GtkEntry */
    sText = gtk_entry_get_text(GTK_ENTRY(pApp->pEntry[4]));
    gtk_label_set_text(GTK_LABEL(pApp->pRLabel[4]), sText);
    gtk_entry_set_text(GTK_ENTRY(pApp->pEntry[4]), sText);
 
}
 
 
void OnButton(GtkWidget *pWidget,gpointer data){
 
    const gchar *sText;
    MainWindow *pApp;
 
    /* Recuperation de data */
    pApp = (MainWindow*) data;
 
    GtkWidget *p_dialog = NULL;
    p_dialog = gtk_file_chooser_dialog_new ("Ouvrir un fichier", NULL,
                                          GTK_FILE_CHOOSER_ACTION_OPEN,
                                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                          GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
                                          NULL);
  if (gtk_dialog_run (GTK_DIALOG (p_dialog)) == GTK_RESPONSE_ACCEPT){
    gchar *file_name = NULL;
 
    file_name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (p_dialog));
    gtk_label_set_text(GTK_LABEL(pApp->pRLabelFasta),file_name);
 
    //open_file (file_name, GTK_TEXT_VIEW (user_data));
    g_free (file_name), file_name = NULL;
    gtk_widget_destroy( p_dialog);
 
  }
}
 
 
 
int main(int argc, char **argv){
 
    MainWindow *pApp;
    gtk_init(&argc,&argv);
    pApp = (MainWindow*)g_malloc(sizeof(MainWindow));
 
    pApp->pWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(pApp->pWindow), "PCR Primer Design");
    gtk_window_set_default_size(GTK_WINDOW(pApp->pWindow),400,400);
    g_signal_connect(G_OBJECT(pApp->pWindow), "destroy", G_CALLBACK(gtk_main_quit), NULL);
 
   /* Creation de la GtkBox verticale */
    pApp->pVBox[0] = gtk_vbox_new(FALSE, 0);
    pApp->pVBox[1] = gtk_vbox_new(TRUE, 0);
    pApp->pVBox[2] = gtk_vbox_new(TRUE, 0);
    pApp->pVBox[3] = gtk_vbox_new(TRUE, 0);
    pApp->pVBox[4] = gtk_vbox_new(TRUE, 0);
    pApp->pVBox[5] = gtk_vbox_new(TRUE, 0);
    pApp->pVBox[6] = gtk_vbox_new(TRUE, 0);
 
 
    /* Ajout de la GtkVBox dans la fenetre */
    gtk_container_add(GTK_CONTAINER(pApp->pWindow), pApp->pVBox[0]);
 
    /* Creation des box horizontale */
    pApp->pHBox[0] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[1] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[2] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[3] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[4] = gtk_hbox_new(TRUE, 1);
 
    pApp->pHBox[5] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[6] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[7] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[8] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[9] = gtk_hbox_new(TRUE, 1);
 
    pApp->pHBox[10] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[11] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[12] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[13] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[14] = gtk_hbox_new(TRUE, 1);
 
    pApp->pHBox[15] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[16] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[17] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[18] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[19] = gtk_hbox_new(TRUE, 1);
 
    pApp->pHBox[20] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[21] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[22] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[23] = gtk_hbox_new(TRUE, 1);
    pApp->pHBox[24] = gtk_hbox_new(TRUE, 1);
 
 
 
    /* Chargement d'une image a partir d'un fichier */
    pApp->pImage = gtk_image_new_from_file("./pp_product_b.PNG");
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[0]), pApp->pImage, TRUE, FALSE, 0);
 
 
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[0]), pApp->pHBox[0], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[0]), pApp->pHBox[1], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[0]), pApp->pHBox[2], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[0]), pApp->pHBox[3], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[0]), pApp->pHBox[4], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[0]), pApp->pHBox[20], FALSE, FALSE, 0);
 
 
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[2]), pApp->pVBox[1], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[2]), pApp->pVBox[2], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[2]), pApp->pVBox[3], FALSE, FALSE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[4]), pApp->pVBox[4], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[4]), pApp->pVBox[5], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[4]), pApp->pVBox[6], FALSE, FALSE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[1]), pApp->pHBox[22], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[1]), pApp->pHBox[5], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[1]), pApp->pHBox[6], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[1]), pApp->pHBox[7], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[1]), pApp->pHBox[8], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[1]), pApp->pHBox[9], FALSE, FALSE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[2]), pApp->pHBox[21], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[2]), pApp->pHBox[10], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[2]), pApp->pHBox[11], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[2]), pApp->pHBox[12], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[2]), pApp->pHBox[13], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[2]), pApp->pHBox[14], FALSE, FALSE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[3]), pApp->pHBox[24], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[3]), pApp->pHBox[15], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[3]), pApp->pHBox[16], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[3]), pApp->pHBox[17], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[3]), pApp->pHBox[18], FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[3]), pApp->pHBox[19], FALSE, FALSE, 0);
    /* Creation des elements */
 
    pApp->pEntry[0] = gtk_entry_new();
    pApp->pEntry[1] = gtk_entry_new();
    pApp->pEntry[2] = gtk_entry_new();
    pApp->pEntry[3] = gtk_entry_new();
    pApp->pEntry[4] = gtk_entry_new();
    pApp->pEntry[5] = gtk_entry_new();
    pApp->pEntry[6] = gtk_entry_new();
    pApp->pEntry[7] = gtk_entry_new();
 
    pApp->pLabel[0] = gtk_label_new("Primer lenght");
    pApp->pLabel[1] = gtk_label_new("Number repeat");
    pApp->pLabel[2] = gtk_label_new("G+C");
    pApp->pLabel[3] = gtk_label_new("Min Tm");
    pApp->pLabel[4] = gtk_label_new("Max Tm");
 
    pApp->pLabel[5] = gtk_label_new("<b>PARAMETERS</b>");
    gtk_label_set_use_markup(GTK_LABEL(pApp->pLabel[5]),TRUE);
 
    pApp->pLabel[6] = gtk_label_new("<b>STATUS</b>");
    gtk_label_set_use_markup(GTK_LABEL(pApp->pLabel[6]),TRUE);
 
    pApp->pLabel[7] = gtk_label_new("--------------------------------------------------\n-----------------------------------------------------------");
    pApp->pLabel[8] = gtk_label_new("FastaFile");
    pApp->pButton[1] = gtk_button_new_from_stock (GTK_STOCK_OPEN);
    g_signal_connect(G_OBJECT(pApp->pButton[1]), "clicked", G_CALLBACK(OnButton), (gpointer) pApp);
 
    pApp->pRLabel[0] = gtk_label_new("NULL");
    pApp->pRLabel[1] = gtk_label_new("NULL");
    pApp->pRLabel[2] = gtk_label_new("NULL");
    pApp->pRLabel[3] = gtk_label_new("NULL");
    pApp->pRLabel[4] = gtk_label_new("NULL");
    pApp->pRLabel[5] = gtk_label_new("NULL");
    pApp->pRLabel[6] = gtk_label_new("NULL");
    pApp->pRLabelFasta = gtk_label_new("NULL");
 
    pApp->pButton[0] = gtk_button_new_with_label("Run");
    gtk_box_pack_start(GTK_BOX(pApp->pVBox[5]), pApp->pButton[0], TRUE, FALSE, 0);
    /* Connexion du signal "clicked" du GtkButton */
    g_signal_connect(G_OBJECT(pApp->pEntry[0]), "activate", G_CALLBACK(OnUpdate), (gpointer) pApp);
    g_signal_connect(G_OBJECT(pApp->pEntry[1]), "activate", G_CALLBACK(OnUpdate), (gpointer) pApp);
    g_signal_connect(G_OBJECT(pApp->pEntry[2]), "activate", G_CALLBACK(OnUpdate), (gpointer) pApp);
    g_signal_connect(G_OBJECT(pApp->pEntry[3]), "activate", G_CALLBACK(OnUpdate), (gpointer) pApp);
    g_signal_connect(G_OBJECT(pApp->pEntry[4]), "activate", G_CALLBACK(OnUpdate), (gpointer) pApp);
 
 
    /* La donnee supplementaire est la GtkVBox pVBox */
    g_signal_connect(G_OBJECT(pApp->pButton[0]), "clicked", G_CALLBACK(OnUpdate), (gpointer*) pApp);
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[1]), pApp->pLabel[5], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[3]), pApp->pLabel[6], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[20]), pApp->pLabel[7], TRUE, TRUE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[5]), pApp->pLabel[0], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[6]), pApp->pLabel[1], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[7]), pApp->pLabel[2], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[8]), pApp->pLabel[3], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[9]), pApp->pLabel[4], TRUE, TRUE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[10]), pApp->pEntry[0], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[11]), pApp->pEntry[1], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[12]), pApp->pEntry[2], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[13]), pApp->pEntry[3], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[14]), pApp->pEntry[4], TRUE, TRUE, 0);
 
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[15]), pApp->pRLabel[0], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[16]), pApp->pRLabel[1], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[17]), pApp->pRLabel[2], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[18]), pApp->pRLabel[3], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[19]), pApp->pRLabel[4], TRUE, TRUE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[21]), pApp->pButton[1], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[22]), pApp->pLabel[8], TRUE, TRUE, 0);
 
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[23]), pApp->pRLabel[5], TRUE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pApp->pHBox[24]),pApp->pRLabelFasta, TRUE, TRUE, 0);
 
 
    gtk_widget_show_all(pApp->pWindow);
 
    gtk_main();
    //g_free(pApp);
 
    return EXIT_SUCCESS;
 
}