Zhiyi Zhang : winex11.drv: Support _KDE_NET_WM_STATE_SKIP_SWITCHER.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5c64b505c2f27d6839dce56c038d445b905161db
URL:    https://gitlab.winehq.org/wine/wine/-/commit/5c64b505c2f27d6839dce56c038d445...

Author: Zhiyi Zhang <zzhang(a)codeweavers.com>
Date:   Sun Nov 20 22:52:40 2022 +0800

winex11.drv: Support _KDE_NET_WM_STATE_SKIP_SWITCHER.

KWin has a switcher that triggered by Alt+Tab that basically acts like a pager. And hiding items in
the switcher is controlled by _KDE_NET_WM_STATE_SKIP_SWITCHER.

---

 dlls/winex11.drv/window.c      | 3 ++-
 dlls/winex11.drv/x11drv.h      | 2 ++
 dlls/winex11.drv/x11drv_main.c | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index 6b082ecdbec..603314ff3bb 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -80,6 +80,7 @@ WINE_DECLARE_DEBUG_CHANNEL(systray);
 
 static const unsigned int net_wm_state_atoms[NB_NET_WM_STATES] =
 {
+    XATOM__KDE_NET_WM_STATE_SKIP_SWITCHER,
     XATOM__NET_WM_STATE_FULLSCREEN,
     XATOM__NET_WM_STATE_ABOVE,
     XATOM__NET_WM_STATE_MAXIMIZED_VERT,
@@ -1040,7 +1041,7 @@ void update_net_wm_states( struct x11drv_win_data *data )
     {
         if (data->skip_taskbar || (ex_style & WS_EX_NOACTIVATE)
             || (ex_style & WS_EX_TOOLWINDOW && !(ex_style & WS_EX_APPWINDOW)))
-            new_state |= (1 << NET_WM_STATE_SKIP_TASKBAR) | (1 << NET_WM_STATE_SKIP_PAGER);
+            new_state |= (1 << NET_WM_STATE_SKIP_TASKBAR) | (1 << NET_WM_STATE_SKIP_PAGER) | (1 << KDE_NET_WM_STATE_SKIP_SWITCHER);
         else if (!(ex_style & WS_EX_APPWINDOW) && NtUserGetWindowRelative( data->hwnd, GW_OWNER ))
             new_state |= (1 << NET_WM_STATE_SKIP_TASKBAR);
     }
diff --git a/dlls/winex11.drv/x11drv.h b/dlls/winex11.drv/x11drv.h
index 47a29c8eb98..b394795a326 100644
--- a/dlls/winex11.drv/x11drv.h
+++ b/dlls/winex11.drv/x11drv.h
@@ -482,6 +482,7 @@ enum x11drv_atoms
     XATOM_DndProtocol,
     XATOM_DndSelection,
     XATOM__ICC_PROFILE,
+    XATOM__KDE_NET_WM_STATE_SKIP_SWITCHER,
     XATOM__MOTIF_WM_HINTS,
     XATOM__NET_STARTUP_INFO_BEGIN,
     XATOM__NET_STARTUP_INFO,
@@ -594,6 +595,7 @@ enum x11drv_window_messages
 /* _NET_WM_STATE properties that we keep track of */
 enum x11drv_net_wm_state
 {
+    KDE_NET_WM_STATE_SKIP_SWITCHER,
     NET_WM_STATE_FULLSCREEN,
     NET_WM_STATE_ABOVE,
     NET_WM_STATE_MAXIMIZED,
diff --git a/dlls/winex11.drv/x11drv_main.c b/dlls/winex11.drv/x11drv_main.c
index 561f25783b6..797e4f92d38 100644
--- a/dlls/winex11.drv/x11drv_main.c
+++ b/dlls/winex11.drv/x11drv_main.c
@@ -155,6 +155,7 @@ static const char * const atom_names[NB_XATOMS - FIRST_XATOM] =
     "DndProtocol",
     "DndSelection",
     "_ICC_PROFILE",
+    "_KDE_NET_WM_STATE_SKIP_SWITCHER",
     "_MOTIF_WM_HINTS",
     "_NET_STARTUP_INFO_BEGIN",
     "_NET_STARTUP_INFO",