FilesExpand file tree

master

/

util_win.cpp

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

159 lines (144 loc) · 4.29 KB

master

/

util_win.cpp

Copy path

Top

File metadata and controls

• Code
• Blame

159 lines (144 loc) · 4.29 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

159

// Copied from upstream cefclient with minor modifications.

// Windows UNICODE API calls were converted to ANSI or commented out.

// 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;

}