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How to get all windows of all applications with GTK4(如何使用GTK4获取所有应用程序的所有窗口)

转载 作者：bug小助手 更新时间：2023-10-25 14:48:34 31 4
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I'd like to get all windows running on a Linux Mint 21.2 XFCE desktop.I am a newbie in GTK. I followed instruction and wrote following codes. However, the codes cannot be complied. Appreciated much in advance for your kind help!

我想让所有的Windows都运行在Linux Mint 21.2 XFCE台式机上。我是GTK的新手。我按照说明编写了以下代码。然而，这些代码不能被遵守。非常感谢您的帮助！


edited on 11th Sep.

Stop using GdkScreen
GdkScreen has been removed from GTK4! Thereafter, how to get all windows of all applications with GTK4? I cannot find a way from GTK website or google or stackoverflow.

9月11日编辑。停止使用GdkScreen GdkScreen已从GTK4中删除！此后，如何使用GTK4获取所有应用程序的所有窗口？我无法从GTK网站、Google或Stackoverflow找到方法。


#include <gtk/gtk.h>
#include <gdk/gdk.h>

static void
func_button1_clicked(GtkWidget *widget,
            gpointer data)
{
  GdkDisplayManager *display_manger = gdk_display_manager_get();
  GSList *displays = gdk_display_manager_list_displays(display_manger);
  while (displays != NULL)
  {
    // Below line is OK.
    GdkDisplay *_display = displays->data;
    // Below line is NG!
    GdkScreen* screen = gdk_display_get_screen(_display, 0);
    // Below line is NG!
    GList* windows = gdk_screen_get_toplevel_windows (screen);
    // Todo. Iterate windows and do something for each window
    g_list_free(windows);
    displays = displays->next;
  }
  g_slist_free(displays);
}

Howerver, following error messages were got from vscode terminal.

然而，从vscode终端收到以下错误消息。


unknown type name ‘GdkScreen’
implicit declaration of function ‘gdk_display_get_screen’; did you mean ‘gdk_display_get_setting’? [-Wimplicit-function-declaration]

c_cpp_properties.json is as follows.

c_cpp_properties.json如下所示。


{
    "configurations": [
        {
            "name": "linux-gcc-x64",
            "includePath": [
                "${workspaceFolder}/**",
                "/usr/include/gtk-4.0",
                "/usr/include/gio-unix-2.0",
                "/usr/include/cairo",
                "/usr/include/pango-1.0",
                "/usr/include/harfbuzz",
                "/usr/include/pango-1.0",
                "/usr/include/fribidi",
                "/usr/include/harfbuzz",
                "/usr/include/gdk-pixbuf-2.0",
                "/usr/include/x86_64-linux-gnu",
                "/usr/include/cairo",
                "/usr/include/pixman-1",
                "/usr/include/uuid",
                "/usr/include/freetype2",
                "/usr/include/libpng16",
                "/usr/include/graphene-1.0",
                "/usr/lib/x86_64-linux-gnu/graphene-1.0/include",
                "/usr/include/libmount",
                "/usr/include/blkid",
                "/usr/include/glib-2.0",
                "/usr/lib/x86_64-linux-gnu/glib-2.0/include"
            ],
            "compilerPath": "/usr/bin/gcc",
            "cStandard": "${default}",
            "cppStandard": "${default}",
            "intelliSenseMode": "linux-gcc-x64",
            "compilerArgs": [
                ""
            ]
        }
    ],
    "version": 4
}

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