复制GTK TextView中的文本

#include <gtk/gtk.h>

// 回调函数，复制文本到剪贴板
void copy_text_to_clipboard(GtkWidget *widget, gpointer data) {
    GtkTextBuffer *buffer;
    GtkClipboard *clipboard;
    gchar *text;

    // 获取GTK TextView控件对象
    GtkTextView *text_view = GTK_TEXT_VIEW(widget);

    // 获取文本缓冲区对象
    buffer = gtk_text_view_get_buffer(text_view);

    // 获取文本缓冲区内容
    gtk_text_buffer_get_text(buffer, &text, -1, TRUE);

    // 获取剪贴板对象
    clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);

    // 复制文本到剪贴板
    gtk_clipboard_set_text(clipboard, text, -1);

    // 释放内存
    g_free(text);
}

int main(int argc, char *argv[]) {
    GtkWidget *window;
    GtkWidget *text_view;
    GtkWidget *button;

    gtk_init(&argc, &argv);

    // 创建窗口
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);

    // 创建GTK TextView控件
    text_view = gtk_text_view_new();
    gtk_container_add(GTK_CONTAINER(window), text_view);

    // 创建复制按钮
    button = gtk_button_new_with_label("复制");
    g_signal_connect(button, "clicked", G_CALLBACK(copy_text_to_clipboard), text_view);
    gtk_container_add(GTK_CONTAINER(window), button);

    gtk_widget_show_all(window);
    gtk_main();

    return 0;
}