我正在编写一个将作为守护进程运行的脚本。 我需要检查屏幕上是否有最大化窗口,以及焦点窗口是否最大化并在两种情况下都运行我的脚本(bash)。 有人能帮助我吗?
答案 0 :(得分:1)
我不知道任何可以立即使用的解决方案,但您可以通过利用libwnck轻松完成所要求的任务。在下面是一个非常基本的例子,它捕获当前屏幕上的任何最大化:
/* gcc $(pkg-config --cflags --libs libwnck-1.0) test.c -o test */
#include <gdk/gdk.h>
#define WNCK_I_KNOW_THIS_IS_UNSTABLE
#include <libwnck/libwnck.h>
static void
geometry_changed(WnckWindow *window)
{
if (wnck_window_is_maximized(window)) {
g_print("A window has been maximized\n");
}
}
static void
window_opened(WnckScreen *screen, WnckWindow *window)
{
g_signal_connect(window, "geometry-changed",
G_CALLBACK(geometry_changed), NULL);
/* Force a geometry-changed emission on already opened windows:
* remove it if you need to catch only *new* maximizations */
geometry_changed(window);
}
gint
main(gint argc, gchar *argv[])
{
GMainLoop *loop;
WnckScreen *screen;
gdk_init(&argc, &argv);
screen = wnck_screen_get(0);
g_signal_connect(screen, "window-opened",
G_CALLBACK(window_opened), NULL);
loop = g_main_loop_new(NULL, FALSE);
g_main_loop_run(loop);
g_main_loop_unref(loop);
return 0;
}
如果您想知道窗口焦点何时发生变化,您可以将回调连接到相关WnckScreen
的{{3}}信号,例如以下未经测试的代码段:
static void
active_window_changed(WnckScreen *screen)
{
WnckWindow *active_window = wnck_screen_get_active_window(screen);
if (wnck_window_is_maximized(active_window)) {
g_print("The active window is maximized\n");
}
}
...
g_signal_connect(screen, "active-window-changed",
G_CALLBACK(active_window_changed), NULL);
...