文章标题 原创 翻译 转载 文章内容 ### 实现按下鼠标左键拖动窗口 --- 1. 加入事件: ``` gtk_widget_add_events(window, GDK_BUTTON_PRESS_MASK); ``` 2. 关联信号与button按下的事件: ``` g_signal_connect(G_OBJECT(window), "button-press-event", G_CALLBACK(window_drag), NULL); ``` 3. 窗口拖动事件的实现: ``` gboolean window_drag(GtkWidget *widget, GdkEventButton *event, GdkWindowEdge edge) { if (event->button == 1) { gtk_window_begin_move_drag(GTK_WINDOW(gtk_widget_get_toplevel(widget)), event->button, event-> x_root, event->y_root, event->time); } return FALSE; ``` ### 使窗口不能移出桌面最左边,在标题栏显示当前窗口的位置坐标 --- 1. 关联信号与事件: ``` g_signal_connect(G_OBJECT(window), "configure-event", G_CALLBACK(window_move), NULL); ``` 2. 窗口移动事件的实现: ``` gboolean window_move(GtkWidget *widget, GdkEvent *event, gpointer data) { gint x, y; gchar buf[10] = {0}; x = event->configure.x; y = event->configure.y; if (x <= 0)//如果窗口超出桌面最左边框 { x = 0; gtk_window_move(GTK_WINDOW(widget), x, y); } sprintf(buf, "%d,%d", x, y); gtk_window_set_title(GTK_WINDOW(widget), buf); return TRUE; } ``` 文章类别 Python Mobile Android Java Shell Life Database Bug Windows IOS Tools Boost Node.js Mac Product Tips C/C++ Golang Javascript React Qt MQ MongoDB Design Web Linux LLM ChatGPT RAG AI 提交