Bananymous/xbanan
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implement very basic grab pointer

Browse Source 
This is definitely not correct with child windows but works with single
window apps (minecraft)
This commit is contained in:
Oskari Alaranta
2026-06-01 22:03:13 +03:00
parent 19f043744a
commit aa70815f5f
4 changed files with 59 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
xbanan/Base.cpp
View File

@@ -28,6 +28,8 @@ CARD16 g_keymask { 0 };
CARD16 g_butmask { 0 };
WINDOW g_focus_window { None };
static WINDOW s_pointer_grab_wid = None;
static const char* s_opcode_to_name[] {
[0] = "none",
[X_CreateWindow] = "X_CreateWindow",
@@ -1852,13 +1854,37 @@ BAN::ErrorOr<void> handle_packet(Client& client_info, BAN::ConstByteSpan packet)
dprintln(" cursor: {}", request.cursor);
dprintln(" time: {}", request.time);
xGrabPointerReply reply {
.type = X_Reply,
.status = Success,
.sequenceNumber = client_info.sequence,
.length = 0,
};
TRY(encode(client_info.output_buffer, reply));
auto& window = TRY_REF(get_window(client_info, request.grabWindow, X_GrabPointer));
if (s_pointer_grab_wid != None && !g_objects.contains(s_pointer_grab_wid))
s_pointer_grab_wid = None;
if (s_pointer_grab_wid == None)
{
xGrabPointerReply reply {
.type = X_Reply,
.status = Success,
.sequenceNumber = client_info.sequence,
.length = 0,
};
TRY(encode(client_info.output_buffer, reply));
if (g_platform_ops.set_pointer_grab)
if (auto* platform_window = get_platform_window(window))
g_platform_ops.set_pointer_grab(platform_window, true);
s_pointer_grab_wid = request.grabWindow;
}
else
{
xGrabPointerReply reply {
.type = X_Reply,
.status = AlreadyGrabbed,
.sequenceNumber = client_info.sequence,
.length = 0,
};
TRY(encode(client_info.output_buffer, reply));
}
break;
}
@@ -1869,6 +1895,16 @@ BAN::ErrorOr<void> handle_packet(Client& client_info, BAN::ConstByteSpan packet)
dprintln("UngrabPointer");
dprintln(" time: {}", time);
if (s_pointer_grab_wid == None)
break;
auto it = g_objects.find(s_pointer_grab_wid);
if (it != g_objects.end() && g_platform_ops.set_pointer_grab)
if (auto* platform_window = get_platform_window(it->value->object.get<Object::Window>()))
g_platform_ops.set_pointer_grab(platform_window, false);
s_pointer_grab_wid = None;
break;
}
case X_GrabKeyboard: