Repository navigation
Expand file tree
/
Copy pathutil_win.cpp
More file actions
158 lines (143 loc) · 4.21 KB
/
Copy pathutil_win.cpp
File metadata and controls
158 lines (143 loc) · 4.21 KB
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
// Copied from upstream cefclient with minor modifications.
// Copyright (c) 2015 The Chromium Embedded Framework 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 "util_win.h"
#include "include/base/cef_logging.h"
void SetUserDataPtr(HWND hWnd, void* ptr) {
SetLastError(ERROR_SUCCESS);
LONG_PTR result = ::SetWindowLongPtr(
hWnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(ptr));
CHECK(result != 0 || GetLastError() == ERROR_SUCCESS);
}
WNDPROC SetWndProcPtr(HWND hWnd, WNDPROC wndProc) {
WNDPROC old =
reinterpret_cast<WNDPROC>(::GetWindowLongPtr(hWnd, GWLP_WNDPROC));
CHECK(old != NULL);
LONG_PTR result = ::SetWindowLongPtr(
hWnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(wndProc));
CHECK(result != 0 || GetLastError() == ERROR_SUCCESS);
return old;
}
std::wstring GetResourceString(UINT id) {
#define MAX_LOADSTRING 100
TCHAR buff[MAX_LOADSTRING] = {0};
LoadString(::GetModuleHandle(NULL), id, buff, MAX_LOADSTRING);
return buff;
}
int GetCefMouseModifiers(WPARAM wparam) {
int modifiers = 0;
if (wparam & MK_CONTROL)
modifiers |= EVENTFLAG_CONTROL_DOWN;
if (wparam & MK_SHIFT)
modifiers |= EVENTFLAG_SHIFT_DOWN;
if (IsKeyDown(VK_MENU))
modifiers |= EVENTFLAG_ALT_DOWN;
if (wparam & MK_LBUTTON)
modifiers |= EVENTFLAG_LEFT_MOUSE_BUTTON;
if (wparam & MK_MBUTTON)
modifiers |= EVENTFLAG_MIDDLE_MOUSE_BUTTON;
if (wparam & MK_RBUTTON)
modifiers |= EVENTFLAG_RIGHT_MOUSE_BUTTON;
// Low bit set from GetKeyState indicates "toggled".
if (::GetKeyState(VK_NUMLOCK) & 1)
modifiers |= EVENTFLAG_NUM_LOCK_ON;
if (::GetKeyState(VK_CAPITAL) & 1)
modifiers |= EVENTFLAG_CAPS_LOCK_ON;
return modifiers;
}
int GetCefKeyboardModifiers(WPARAM wparam, LPARAM lparam) {
int modifiers = 0;
if (IsKeyDown(VK_SHIFT))
modifiers |= EVENTFLAG_SHIFT_DOWN;
if (IsKeyDown(VK_CONTROL))
modifiers |= EVENTFLAG_CONTROL_DOWN;
if (IsKeyDown(VK_MENU))
modifiers |= EVENTFLAG_ALT_DOWN;
// Low bit set from GetKeyState indicates "toggled".
if (::GetKeyState(VK_NUMLOCK) & 1)
modifiers |= EVENTFLAG_NUM_LOCK_ON;
if (::GetKeyState(VK_CAPITAL) & 1)
modifiers |= EVENTFLAG_CAPS_LOCK_ON;
switch (wparam) {
case VK_RETURN:
if ((lparam >> 16) & KF_EXTENDED)
modifiers |= EVENTFLAG_IS_KEY_PAD;
break;
case VK_INSERT:
case VK_DELETE:
case VK_HOME:
case VK_END:
case VK_PRIOR:
case VK_NEXT:
case VK_UP:
case VK_DOWN:
case VK_LEFT:
case VK_RIGHT:
if (!((lparam >> 16) & KF_EXTENDED))
modifiers |= EVENTFLAG_IS_KEY_PAD;
break;
case VK_NUMLOCK:
case VK_NUMPAD0:
case VK_NUMPAD1:
case VK_NUMPAD2:
case VK_NUMPAD3:
case VK_NUMPAD4:
case VK_NUMPAD5:
case VK_NUMPAD6:
case VK_NUMPAD7:
case VK_NUMPAD8:
case VK_NUMPAD9:
case VK_DIVIDE:
case VK_MULTIPLY:
case VK_SUBTRACT:
case VK_ADD:
case VK_DECIMAL:
case VK_CLEAR:
modifiers |= EVENTFLAG_IS_KEY_PAD;
break;
case VK_SHIFT:
if (IsKeyDown(VK_LSHIFT))
modifiers |= EVENTFLAG_IS_LEFT;
else if (IsKeyDown(VK_RSHIFT))
modifiers |= EVENTFLAG_IS_RIGHT;
break;
case VK_CONTROL:
if (IsKeyDown(VK_LCONTROL))
modifiers |= EVENTFLAG_IS_LEFT;
else if (IsKeyDown(VK_RCONTROL))
modifiers |= EVENTFLAG_IS_RIGHT;
break;
case VK_MENU:
if (IsKeyDown(VK_LMENU))
modifiers |= EVENTFLAG_IS_LEFT;
else if (IsKeyDown(VK_RMENU))
modifiers |= EVENTFLAG_IS_RIGHT;
break;
case VK_LWIN:
modifiers |= EVENTFLAG_IS_LEFT;
break;
case VK_RWIN:
modifiers |= EVENTFLAG_IS_RIGHT;
break;
}
return modifiers;
}
bool IsKeyDown(WPARAM wparam) {
return (GetKeyState(wparam) & 0x8000) != 0;
}
float GetDeviceScaleFactor() {
static float scale_factor = 1.0;
static bool initialized = false;
if (!initialized) {
// This value is safe to cache for the life time of the app since the user
// must logout to change the DPI setting. This value also applies to all
// screens.
HDC screen_dc = ::GetDC(NULL);
int dpi_x = GetDeviceCaps(screen_dc, LOGPIXELSX);
scale_factor = static_cast<float>(dpi_x) / 96.0f;
::ReleaseDC(NULL, screen_dc);
initialized = true;
}
return scale_factor;
}