blob: 38c05c988fa34b0e8d09b898c6a305d34c18102d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/event_utils.h"
#include <windowsx.h>
#include "base/logging.h"
#include "ui/events/event.h"
#include "ui/events/event_constants.h"
#include "ui/gfx/point.h"
namespace views {
bool RepostLocatedEvent(gfx::NativeWindow window,
const ui::LocatedEvent& event) {
if (!window)
return false;
// Determine whether the click was in the client area or not.
// NOTE: WM_NCHITTEST coordinates are relative to the screen.
const gfx::Point screen_loc = event.location();
LRESULT nc_hit_result = SendMessage(window, WM_NCHITTEST, 0,
MAKELPARAM(screen_loc.x(),
screen_loc.y()));
const bool in_client_area = nc_hit_result == HTCLIENT;
// TODO(sky): this isn't right. The event to generate should correspond with
// the event we just got. MouseEvent only tells us what is down, which may
// differ. Need to add ability to get changed button from MouseEvent.
int event_type;
int flags = event.flags();
if (flags & ui::EF_LEFT_MOUSE_BUTTON) {
event_type = in_client_area ? WM_LBUTTONDOWN : WM_NCLBUTTONDOWN;
} else if (flags & ui::EF_MIDDLE_MOUSE_BUTTON) {
event_type = in_client_area ? WM_MBUTTONDOWN : WM_NCMBUTTONDOWN;
} else if (flags & ui::EF_RIGHT_MOUSE_BUTTON) {
event_type = in_client_area ? WM_RBUTTONDOWN : WM_NCRBUTTONDOWN;
} else {
NOTREACHED();
return false;
}
int window_x = screen_loc.x();
int window_y = screen_loc.y();
if (in_client_area) {
RECT window_bounds;
GetWindowRect(window, &window_bounds);
window_x -= window_bounds.left;
window_y -= window_bounds.top;
}
WPARAM target = in_client_area ? event.native_event().wParam : nc_hit_result;
PostMessage(window, event_type, target, MAKELPARAM(window_x, window_y));
return true;
}
} // namespace views
|
