gtk back按钮未从网格中删除，liststore treeview行未显示为已满

我有两个顾虑：

在一个页面中，当我单击列表项时，另一个带有按钮的列表会添加到网格中，但当我按下按钮时，第一页会返回，但返回按钮不会从网格中删除

列表存储项未完整显示，它被截断

如何显示完整列表

#include <gtk/gtk.h>
#include <glib.h>
#include <stdlib.h>
GtkWidget *scrolledwindow;
struct param
{
    GtkWidget* grid;
    GtkWidget* scrolledwindow;
    GtkWidget*newChild;
    GtkWidget*oldChild;
};
GtkWidget * init_tree();
GtkWidget * init_tree2();
static void destroy(GtkWidget *widget, gpointer data)
{
  gtk_main_quit();
}

static void Back (GtkButton *button, gpointer   user_data)
{
      struct param* parameters = (struct param*)user_data;
      gtk_container_remove(GTK_CONTAINER(parameters->scrolledwindow), parameters->oldChild);
      gtk_container_add(GTK_CONTAINER(parameters->scrolledwindow), parameters->newChild);
      gtk_grid_remove_row (GTK_GRID (parameters->grid),20);
      gtk_widget_show_all (GTK_WIDGET(parameters->scrolledwindow));
      gtk_widget_show_all (GTK_WIDGET(parameters->grid));


}


static void replace_tab(GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data)
{
      struct param* parameters = (struct param*)user_data;
      //gtk_grid_insert_row ( GTK_GRID(grid),2);
      gtk_container_remove(GTK_CONTAINER(parameters->scrolledwindow), GTK_WIDGET(tree_view));
      gtk_container_add(GTK_CONTAINER(parameters->scrolledwindow), parameters->newChild);
      GtkWidget *button = gtk_button_new_with_label ("Back");
      gtk_grid_attach (GTK_GRID (parameters->grid), button, 0, 20, 2, 2);
      parameters->oldChild = parameters->newChild;
      parameters->newChild= init_tree();
      g_signal_connect (button, "clicked", G_CALLBACK (Back), parameters);
      gtk_widget_show_all (GTK_WIDGET(parameters->scrolledwindow));
      gtk_widget_show_all (GTK_WIDGET(parameters->grid));
}

GtkWidget * init_tree()
{

    GtkListStore *liststore = gtk_list_store_new(1, G_TYPE_STRING);
    GtkTreeIter treeiter;

    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Mandriva", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Aptosid", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "OpenSuSE", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Linux Mint", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Arch Linux", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Mandriva", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Aptosid", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "OpenSuSE", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Linux Mint", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Arch Linux", -1);
 GtkWidget *treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(liststore));

    GtkCellRenderer *cellrenderertext = gtk_cell_renderer_text_new();

    GtkTreeViewColumn *treeviewcolumn = gtk_tree_view_column_new_with_attributes("Distributions",
                                                                                 cellrenderertext,
                                                                                 "text", 0,
                                                                                 NULL);
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), treeviewcolumn);

    return treeview;
}

GtkWidget * init_tree2()
{

    GtkListStore *liststore = gtk_list_store_new(1, G_TYPE_STRING);
    GtkTreeIter treeiter;

    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "a", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "b", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "c", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "d", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "e", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "f", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Aptosid", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "OpenSuSE", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Linux Mint", -1);

gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Arch Linux", -1);

 GtkWidget *treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(liststore));

    GtkCellRenderer *cellrenderertext = gtk_cell_renderer_text_new();

    GtkTreeViewColumn *treeviewcolumn = gtk_tree_view_column_new_with_attributes("Distributions",
                                                                                 cellrenderertext,
                                                                                 "text", 0,
                                                                                 NULL);
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), treeviewcolumn);

    return treeview;
}

int main(int argc, char *argv[])
{
  gtk_init(&argc, &argv);

  GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
  g_signal_connect(window, "destroy", G_CALLBACK(destroy), NULL);

  GtkWidget *notebook = gtk_notebook_new();
  gtk_container_add(GTK_CONTAINER(window), notebook);


  int count;
  gchar *text;

  for (count = 1; count <= 5; count++)
    {
      GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
      text = g_strdup_printf("Page %d", count);
      GtkWidget *label = gtk_label_new(text);
      GtkWidget* grid = gtk_grid_new ();
      GtkWidget *scrolledwindow = gtk_scrolled_window_new(NULL, NULL);

      gtk_widget_set_size_request(scrolledwindow, -1, 200);

      gtk_container_add(GTK_CONTAINER(vbox), grid/*scrolledwindow*/);

      //gtk_container_add(GTK_CONTAINER(grid), scrolledwindow);
      gtk_grid_attach (GTK_GRID (grid), scrolledwindow, 0, 0, 200, 10);
      //GtkWidget *textview = gtk_text_view_new();
      /* gtk_container_add(GTK_CONTAINER(scrolledwindow), textview); */
      GtkWidget* treeview = init_tree();
      GtkWidget* treeview2 = init_tree2();
      struct param* parameters = malloc(sizeof(struct param));
      parameters->scrolledwindow = scrolledwindow;
      parameters->grid = grid;
      parameters->newChild= treeview2;
      g_signal_connect(treeview, "row-activated", G_CALLBACK(replace_tab), (gpointer)parameters);
      gtk_container_add(GTK_CONTAINER(scrolledwindow), treeview);

      gtk_notebook_append_page(GTK_NOTEBOOK(notebook), vbox, label);
    }

  gtk_widget_show_all(window);

  gtk_main();

  return 0;
}

#包括
#包括
#包括
GtkWidget*滚动窗口；
结构参数
{
GtkWidget*网格；
GtkWidget*滚动窗口；
GtkWidget*新儿童；
GtkWidget*oldChild；
};
GtkWidget*初始化树（）；
GtkWidget*初始化树2（）；
静态无效销毁（GtkWidget*小部件，gpointer数据）
{
gtk_main_quit（）；
}
静态无效返回（GTK按钮*按钮，gpointer用户数据）
{
struct param*参数=（struct param*）用户_数据；
gtk_容器移除（gtk_容器（参数->滚动窗口）、参数->旧子对象）；
gtk_容器添加（gtk_容器（参数->滚动窗口）、参数->新建子项）；
gtk_网格删除_行（gtk_网格（参数->网格），20）；
gtk_小部件显示所有（gtk_小部件（参数->滚动窗口））；
gtk_小部件显示所有（gtk_小部件（参数->网格））；
}
静态无效替换选项卡（GtkTreeView*树视图、GtkTreePath*路径、GtkTreeViewColumn*列、gpointer用户数据）
{
struct param*参数=（struct param*）用户_数据；
//gtk_网格插入_行（gtk_网格（网格），2）；
gtk_容器移除（gtk_容器（参数->滚动窗口），gtk_小部件（树视图））；
gtk_容器添加（gtk_容器（参数->滚动窗口）、参数->新建子项）；
GtkWidget*button=gtk_button_new_，带_标签（“背面”）；
gtk_网格连接（gtk_网格（参数->网格），按钮，0,20,2,2）；
参数->旧子女=参数->新子女；
参数->newChild=init_tree（）；
g_信号连接（按钮“点击”，g_回调（返回），参数）；
gtk_小部件显示所有（gtk_小部件（参数->滚动窗口））；
gtk_小部件显示所有（gtk_小部件（参数->网格））；
}
GtkWidget*init_树（）
{
GtkListStore*liststore=gtk_list_store_new（1，G_TYPE_字符串）；
GtkTreeIter treeiter；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“Mandriva”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk_列表_存储_集（liststore和treeiter，0，“Aptosid”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“OpenSuSE”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“LinuxMint”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“ArchLinux”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“Mandriva”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk_列表_存储_集（liststore和treeiter，0，“Aptosid”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“OpenSuSE”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“LinuxMint”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“ArchLinux”，-1）；
GtkWidget*treeview=gtk_tree_view_new_with_model（gtk_tree_model（liststore））；
GtkCellRenderer*CellRenderText=gtk_cell_renderer_text_new（）；
GtkTreeViewColumn*treeviewcolumn=gtk_tree_view_column_new_，带有_属性（“分布”），
CellRenderText，
“文本”，0，
无效）；
gtk树视图附加列（gtk树视图（treeview），treeview列）；
返回树视图；
}
GtkWidget*init_tree2（）
{
GtkListStore*liststore=gtk_list_store_new（1，G_TYPE_字符串）；
GtkTreeIter treeiter；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“a”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“b”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“c”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“d”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“e”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“f”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk_列表_存储_集（liststore和treeiter，0，“Aptosid”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“OpenSuSE”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“LinuxMint”，-1）；
gtk_列表_存储_附加（列表存储和树存储）；
gtk列表存储集（liststore和treeiter，0，“ArchLinux”，-1）；
GtkWidget*treeview=gtk_tree_view_new_with_model（gtk_tree_model（liststore））；
GtkCellRenderer*CellRenderText=gtk_cell_renderer_text_new（）；
GtkTreeViewColumn*treeviewcolumn=gtk_tree_view_column_new_，带有_属性（“分布”），
CellRenderText，
“文本”，0，
无效）；
gtk树视图附加列（gtk树视图（treeview），treeview列）；
返回树视图；
}
int main（int argc，char*argv[]）
{
gtk_init（&argc，&argv）；
GtkWidget*window=gtk_window_new（gtk_window_TOPLEVEL）；
gtk_窗口设置默认大小（gtk_窗口（窗口），200200）；
g_信号_连接（窗口，“销毁
#include <gtk/gtk.h>
#include <glib.h>
#include <stdlib.h>
GtkWidget *scrolledwindow;
struct param
{
    GtkWidget* backbutton;
    GtkWidget* scrolledwindow;
    GtkWidget*newChild;
    GtkWidget*oldChild;
};
GtkWidget * init_tree();
GtkWidget * init_tree2();
static void destroy(GtkWidget *widget, gpointer data)
{
  gtk_main_quit();
}

static void Back (GtkButton *button, gpointer   user_data)
{
      struct param* parameters = (struct param*)user_data;
      gtk_widget_hide(GTK_WIDGET(parameters->scrolledwindow));
      gtk_container_remove(GTK_CONTAINER(parameters->scrolledwindow), GTK_WIDGET(parameters->newChild));
      gtk_container_add(GTK_CONTAINER(parameters->scrolledwindow), parameters->oldChild);
      gtk_widget_hide (GTK_WIDGET(parameters->backbutton));
      gtk_widget_show_all (GTK_WIDGET(parameters->scrolledwindow));
}


static void replace_tab(GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data)
{
      struct param* parameters = (struct param*)user_data;
      gtk_widget_hide(GTK_WIDGET(parameters->scrolledwindow));
      gtk_container_remove(GTK_CONTAINER(parameters->scrolledwindow), GTK_WIDGET(tree_view));
      gtk_container_add(GTK_CONTAINER(parameters->scrolledwindow), parameters->newChild);
      gtk_widget_show (GTK_WIDGET(parameters->backbutton));
      gtk_widget_show_all (GTK_WIDGET(parameters->scrolledwindow));
}

GtkWidget * init_tree()
{

    GtkListStore *liststore = gtk_list_store_new(1, G_TYPE_STRING);
    GtkTreeIter treeiter;

    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Mandriva", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Aptosid", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "OpenSuSE", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Linux Mint", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Arch Linux", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Mandriva", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Aptosid", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "OpenSuSE", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Linux Mint", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Arch Linux", -1);
    GtkWidget *treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(liststore));

    GtkCellRenderer *cellrenderertext = gtk_cell_renderer_text_new();

    GtkTreeViewColumn *treeviewcolumn = gtk_tree_view_column_new_with_attributes("Distributions",
                                                                                 cellrenderertext,
                                                                                 "text", 0,
                                                                                 NULL);
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), treeviewcolumn);

    return treeview;
}

GtkWidget * init_tree2()
{

    GtkListStore *liststore = gtk_list_store_new(1, G_TYPE_STRING);
    GtkTreeIter treeiter;

    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "a", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "b", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "c", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "d", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "e", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "f", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Aptosid", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "OpenSuSE", -1);
    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Linux Mint", -1);

    gtk_list_store_append(liststore, &treeiter);
    gtk_list_store_set(liststore, &treeiter, 0, "Arch Linux", -1);

    GtkWidget *treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(liststore));

    GtkCellRenderer *cellrenderertext = gtk_cell_renderer_text_new();

    GtkTreeViewColumn *treeviewcolumn = gtk_tree_view_column_new_with_attributes("Distributions",
                                                                                 cellrenderertext,
                                                                                 "text", 0,
                                                                                 NULL);
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), treeviewcolumn);

    return treeview;
}

int main(int argc, char *argv[])
{
  gtk_init(&argc, &argv);

  GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
  g_signal_connect(window, "destroy", G_CALLBACK(destroy), NULL);

  GtkWidget *notebook = gtk_notebook_new();
  gtk_container_add(GTK_CONTAINER(window), notebook);


  int count;
  gchar *text;

  for (count = 1; count <= 5; count++)
    {
      text = g_strdup_printf("Page %d", count);
      GtkWidget *label = gtk_label_new(text);

      GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
      GtkWidget *scrolledwindow = gtk_scrolled_window_new(NULL, NULL);

      GtkWidget *backbutton = gtk_button_new_with_label ("Back");
      gtk_widget_set_no_show_all (backbutton, TRUE);

      gtk_box_pack_start (GTK_BOX(vbox), scrolledwindow, TRUE, TRUE, 0);
      gtk_box_pack_end (GTK_BOX(vbox), backbutton, FALSE, FALSE, 0);


      GtkWidget* treeview = init_tree();
      GtkWidget* treeview2 = init_tree2();
      struct param* parameters = malloc(sizeof(struct param));
      parameters->backbutton = backbutton;
      parameters->scrolledwindow = scrolledwindow;
      parameters->oldChild= treeview;
      parameters->newChild= treeview2;

      g_signal_connect(treeview, "row-activated", G_CALLBACK(replace_tab), (gpointer) parameters);
      g_signal_connect(backbutton, "clicked", G_CALLBACK(Back), (gpointer) parameters);

      gtk_container_add(GTK_CONTAINER(scrolledwindow), treeview);
      gtk_notebook_append_page(GTK_NOTEBOOK(notebook), vbox, label);
    }

  gtk_widget_show_all(window);

  gtk_main();

  return 0;
}