Bananymous/xbanan
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Don't create platform window for windows without WM_CLASS

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gtk and other toolkits create a lot of dummy windows that should not be
visible.
This commit is contained in:
Oskari Alaranta
2026-05-30 19:11:49 +03:00
parent 97e82afd4d
commit 0dc88d09bf
1 changed files with 12 additions and 2 deletions
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14
xbanan/Base.cpp
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@@ -374,6 +374,9 @@ void invalidate_window(WINDOW wid, int32_t x, int32_t y, int32_t w, int32_t h)
for (;;)
{
if (wid == g_root.windowId)
return;
auto& object = *g_objects[wid];
ASSERT(object.type == Object::Type::Window);
@@ -506,17 +509,26 @@ transitient_for_done:
static BAN::ErrorOr<void> map_window(Client& client_info, WINDOW wid)
{
static const CARD32 WM_CLASS = g_atoms_name_to_id["WM_CLASS"_sv];
auto& object = *g_objects[wid];
ASSERT(object.type == Object::Type::Window);
auto& window = object.object.get<Object::Window>();
if (window.mapped)
return {};
window.mapped = true;
if (window.parent == g_root.windowId)
{
ASSERT(!window.platform_window);
// NOTE: This is not perfect but seems to work.
// This is used to not display "dummy" event windows
// that should not be visible.
if (!window.properties.contains(WM_CLASS))
return {};
auto info = get_plaform_window_info(window);
window.platform_window = TRY(g_platform_ops.create_window(
info.transient_for,
@@ -529,8 +541,6 @@ static BAN::ErrorOr<void> map_window(Client& client_info, WINDOW wid)
));
}
window.mapped = true;
for (auto& pixel : window.pixels)
pixel = window.background;
invalidate_window(wid, 0, 0, window.width, window.height);