Ubuntu GTK C Listview更新动态

Ubuntu GTK C Listview更新动态,ubuntu,gcc,gtk,gtk3,Ubuntu,Gcc,Gtk,Gtk3,我有一些文本输入框和一个列表视图的空地。我想根据textentry中输入的值更改listview的值。我如何才能做到这一点?我没有找到任何关于这方面的好教程 <?xml version="1.0" encoding="UTF-8"?> <interface> <!-- interface-requires gtk+ 3.0 --> <object class="GtkAdjustment" id="adjustment1"> <

我有一些文本输入框和一个列表视图的空地。我想根据textentry中输入的值更改listview的值。我如何才能做到这一点?我没有找到任何关于这方面的好教程

<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <!-- interface-requires gtk+ 3.0 -->
  <object class="GtkAdjustment" id="adjustment1">
    <property name="upper">100</property>
    <property name="step_increment">1</property>
    <property name="page_increment">10</property>
  </object>
  <object class="GtkListStore" id="liststore1">
    <columns>
      <!-- column-name Xaxis -->
      <column type="gint"/>
    </columns>
    <data>
      <row>
        <col id="0">0</col>
      </row>
    </data>
  </object>
  <object class="GtkWindow" id="window1">
    <property name="can_focus">False</property>
    <child>
      <object class="GtkBox" id="box1">
        <property name="visible">True</property>
        <property name="can_focus">False</property>
        <property name="orientation">vertical</property>
        <child>
          <object class="GtkScrolledWindow" id="scrolledwindow1">
            <property name="visible">True</property>
            <property name="can_focus">False</property>
            <property name="hadjustment">adjustment1</property>
            <property name="vadjustment">adjustment1</property>
            <property name="shadow_type">in</property>
            <child>
              <object class="GtkTreeView" id="treeview1">
                <property name="visible">True</property>
                <property name="can_focus">False</property>
                <property name="model">liststore1</property>
                <child internal-child="selection">
                  <object class="GtkTreeSelection" id="treeview-selection1"/>
                </child>
                <child>
                  <object class="GtkTreeViewColumn" id="treeviewcolumn1">
                    <property name="title" translatable="yes">Xaxis</property>
                    <child>
                      <object class="GtkCellRendererSpin" id="cellrendererspin1">
                        <property name="editable">True</property>
                        <property name="adjustment">adjustment1</property>
                      </object>
                      <attributes>
                        <attribute name="text">0</attribute>
                      </attributes>
                    </child>
                  </object>
                </child>
              </object>
            </child>
          </object>
          <packing>
            <property name="expand">True</property>
            <property name="fill">True</property>
            <property name="position">0</property>
          </packing>
        </child>
        <child>
          <object class="GtkGrid" id="grid1">
            <property name="visible">True</property>
            <property name="can_focus">False</property>
            <child>
              <object class="GtkLabel" id="label1">
                <property name="visible">True</property>
                <property name="can_focus">False</property>
                <property name="label" translatable="yes">Value</property>
              </object>
              <packing>
                <property name="left_attach">0</property>
                <property name="top_attach">0</property>
                <property name="width">1</property>
                <property name="height">1</property>
              </packing>
            </child>
            <child>
              <object class="GtkEntry" id="entry1">
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="invisible_char">•</property>
              </object>
              <packing>
                <property name="left_attach">1</property>
                <property name="top_attach">0</property>
                <property name="width">1</property>
                <property name="height">1</property>
              </packing>
            </child>
          </object>
          <packing>
            <property name="expand">False</property>
            <property name="fill">True</property>
            <property name="position">1</property>
          </packing>
        </child>
      </object>
    </child>
  </object>
</interface>

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0
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调整1
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列表库1
Xaxis
真的
调整1
0
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0
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价值
0
0
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1.
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1.
这是glade文件。用于加载glade fle的c文件

#include <gtk/gtk.h>

void on_window_destroy (GtkWidget *object, gpointer user_data) {
    gtk_main_quit();
}

int main (int argc, char *argv[]) {
    GtkBuilder *builder;
    GtkWidget *window;

    gtk_init (&argc, &argv);

    builder = gtk_builder_new ();
    gtk_builder_add_from_file (builder, "test.glade", NULL);

    window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
    gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
    g_signal_connect (window, "destroy", G_CALLBACK (on_window_destroy), NULL);

    gtk_widget_show (window);       
    gtk_main ();

    return 0;
}
#包括
窗口上无效\u销毁(GtkWidget*对象,gpointer用户\u数据){
gtk_main_quit();
}
int main(int argc,char*argv[]){
GtkBuilder*builder;
GtkWidget*窗口;
gtk_init(&argc,&argv);
builder=gtk_builder_new();
gtk_builder_从_文件添加_(builder,“test.glade”,NULL);
窗口=GTK_小部件(GTK_生成器_获取对象(生成器,“窗口1”);
gtk_窗口设置默认大小(gtk_窗口(窗口),200200);
g_信号_连接(窗口,“销毁”,g_回调(在窗口_销毁),空);
gtk_widget_show(窗口);
gtk_main();
返回0;
}

如果我们能看到您在这里发布之前尝试过的东西,那会有所帮助。。。现在我们无法判断您的问题是glade、gobject还是GTK小部件


无论如何,您希望使用
gtk\u builder\u get\u object()
查找小部件,然后连接到条目的信号或条目属性的
notify
信号(取决于您希望在按enter键时还是在用户键入时发生)。然后在信号处理程序中,您应该以您想要的任何方式修改treeview。

我希望这会有所帮助。这是您刚刚发布的代码,只是做了一些调整。这里定义了一个回调函数,它将在调用时被调用。回调在\u entry\u激活时,因为您可以看到条目的值被解析为整数,并根据其值附加或替换第一个值。重要的部分是:

  • store对象在main函数中传递给回调函数,以便以后可以对其进行更改
  • 使用GtkTreeIter对象操纵存储中的值(
作为

#包括
无效输入激活(GtkEntry*输入,gpointer用户数据)
{
gint64 i64;
金特一世;
GtkListStore*存储=(GtkListStore*)用户数据;
GtkTreeIter iter;
i64=g_ascii_strtoll(gtk_entry_get_text(entry)),NULL,10;
i=i64;
如果(i>0)
{
gtk_tree_model_get_iter_first(gtk_tree_model(store)和iter);
}
其他的
{
gtk列表、存储、附加(存储和iter);
}
gtk_列表_存储_集(存储和iter,
0,我,,
-1);
gtk_条目_集合_文本(条目“”);
}
窗口上无效\u销毁(GtkWidget*对象,gpointer用户\u数据){
gtk_main_quit();
}
int main(int argc,char*argv[]){
GtkBuilder*builder;
GtkWidget*窗口;
GtkWidget*条目;
GtkListStore*liststore1;
gtk_init(&argc,&argv);
builder=gtk_builder_new();
gtk_builder_从_文件添加_(builder,“test.glade”,NULL);
窗口=GTK_小部件(GTK_生成器_获取对象(生成器,“窗口1”);
gtk_窗口设置默认大小(gtk_窗口(窗口),200200);
g_信号_连接(窗口,“销毁”,g_回调(在窗口_销毁),空);
entry=GTK_小部件(GTK_builder_get_对象(builder,“entry1”);
liststore1=GTK_列表_存储(GTK_生成器_获取_对象(生成器,“liststore1”));
g_信号连接(输入,“激活”,g_回调(输入时激活),liststore1);
gtk_widget_show(窗口);
gtk_main();
返回0;
}

当用户激活条目时,您需要澄清一下您想要什么,更改树状视图中的值,或向其中添加新值?如果我有多个条目,我指的是多个条目框和类似的显示小部件
#include <gtk/gtk.h>

void on_entry_activated (GtkEntry *entry, gpointer user_data)
{
  gint64 i64;
  gint i;
  GtkListStore *store = (GtkListStore*) user_data;
  GtkTreeIter iter;

  i64 = g_ascii_strtoll (gtk_entry_get_text (entry), NULL, 10);
  i = i64;

  if (i > 0)
    {
      gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter);
    }
  else
    {
      gtk_list_store_append (store, &iter);
    }

  gtk_list_store_set (store, &iter,
              0, i,
              -1);

  gtk_entry_set_text (entry, "");
}

void on_window_destroy (GtkWidget *object, gpointer user_data) {
    gtk_main_quit();
}

int main (int argc, char *argv[]) {
    GtkBuilder *builder;
    GtkWidget *window;

    GtkWidget *entry;
    GtkListStore *liststore1;

    gtk_init (&argc, &argv);

    builder = gtk_builder_new ();
    gtk_builder_add_from_file (builder, "test.glade", NULL);

    window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
    gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
    g_signal_connect (window, "destroy", G_CALLBACK (on_window_destroy), NULL);

    entry = GTK_WIDGET (gtk_builder_get_object (builder, "entry1"));
    liststore1 = GTK_LIST_STORE (gtk_builder_get_object (builder, "liststore1"));
    g_signal_connect (entry, "activate", G_CALLBACK (on_entry_activated), liststore1);

    gtk_widget_show (window);
    gtk_main ();

    return 0;
}