GtkTreeView C更改特定行或单元格的单个文本颜色，而不是整个列的颜色

#include <gtk/gtk.h>

// 回调函数，用于自定义绘制单元格的方式
void cell_data_func(GtkTreeViewColumn *column, GtkCellRenderer *renderer, GtkTreeModel *model, GtkTreeIter *iter, gpointer user_data) {
    gchar *text;
    GdkRGBA color;

    // 获取模型中的数据
    gtk_tree_model_get(model, iter, 0, &text, -1);

    // 根据特定条件决定是否改变单元格的颜色
    if (g_strcmp0(text, "特定文本") == 0) {
        gdk_rgba_parse(&color, "red");
        g_object_set(renderer, "foreground-rgba", &color, NULL);
    }

    g_free(text);
}

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

    // 创建窗口和TreeView
    GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    GtkWidget *treeview = gtk_tree_view_new();

    // 创建模型和列
    GtkListStore *store = gtk_list_store_new(1, G_TYPE_STRING);
    GtkTreeViewColumn *column = gtk_tree_view_column_new_with_attributes("列标题", gtk_cell_renderer_text_new(), "text", 0, NULL);

    // 设置回调函数
    gtk_tree_view_column_set_cell_data_func(column, gtk_cell_renderer_text_new(), cell_data_func, NULL, NULL);

    // 添加列到TreeView
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);

    // 设置模型
    gtk_tree_view_set_model(GTK_TREE_VIEW(treeview), GTK_TREE_MODEL(store));

    // 添加数据到模型
    GtkTreeIter iter;
    gtk_list_store_append(store, &iter);
    gtk_list_store_set(store, &iter, 0, "特定文本", -1);

    // 将TreeView添加到窗口
    gtk_container_add(GTK_CONTAINER(window), treeview);

    // 显示窗口和TreeView
    gtk_widget_show_all(window);

    gtk_main();

    return 0;
}