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
160
161
162
163
164
165
|
#pragma once
#include "i18n.h"
#include <wx/event.h>
#include <vector>
#include <string>
#include "xmlutil/Node.h"
#include "string/split.h"
namespace wxutil
{
class Modifier
{
#define ATTR_MODIFIER ("modifiers")
#define MODIFIERSTR_SHIFT "SHIFT"
#define MODIFIERSTR_ALT "ALT"
#define MODIFIERSTR_CONTROL "CONTROL"
public:
enum Flags
{
NONE = 0,
/* Used by wxutil::MouseButton
LEFT = 1 << 1,
RIGHT = 1 << 2,
MIDDLE = 1 << 3,
AUX1 = 1 << 4,
AUX2 = 1 << 5,
*/
SHIFT = 1 << 6,
CONTROL = 1 << 7,
ALT = 1 << 8
};
// Translates the given wxMouseEvent to modifier flags.
static unsigned int GetStateForMouseEvent(wxMouseEvent& ev)
{
unsigned int state = NONE;
if (ev.ShiftDown())
{
state |= SHIFT;
}
else
{
state &= ~SHIFT;
}
if (ev.ControlDown())
{
state |= CONTROL;
}
else
{
state &= ~CONTROL;
}
if (ev.AltDown())
{
state |= ALT;
}
else
{
state &= ~ALT;
}
return state;
}
// Translates the given wxKeyEvent to modifier flags.
static unsigned int GetStateForKeyEvent(wxKeyEvent& ev)
{
unsigned int state = NONE;
if (ev.ShiftDown())
{
state |= SHIFT;
}
else
{
state &= ~SHIFT;
}
if (ev.ControlDown())
{
state |= CONTROL;
}
else
{
state &= ~CONTROL;
}
if (ev.AltDown())
{
state |= ALT;
}
else
{
state &= ~ALT;
}
return state;
}
// Converts e.g. "SHIFT+ALT" to flags
static unsigned int GetStateFromModifierString(const std::string& modifierStr)
{
unsigned int state = NONE;
std::vector<std::string> parts;
string::split(parts, modifierStr, "+");
for (const std::string& mod : parts)
{
if (mod == MODIFIERSTR_SHIFT) { state |= SHIFT; continue; }
if (mod == MODIFIERSTR_ALT) { state |= ALT; continue; }
if (mod == MODIFIERSTR_CONTROL) { state |= CONTROL; continue; }
}
return state;
}
static unsigned int LoadFromNode(const xml::Node& node)
{
return GetStateFromModifierString(node.getAttributeValue(ATTR_MODIFIER));
}
static std::string GetModifierString(unsigned int state)
{
std::string mod = "";
if ((state & ALT) != 0) mod += mod.empty() ? MODIFIERSTR_ALT : "+" MODIFIERSTR_ALT;
if ((state & CONTROL) != 0) mod += mod.empty() ? MODIFIERSTR_CONTROL : "+" MODIFIERSTR_CONTROL;
if ((state & SHIFT) != 0) mod += mod.empty() ? MODIFIERSTR_SHIFT : "+" MODIFIERSTR_SHIFT;
return mod;
}
static std::string GetLocalisedModifierString(unsigned int state, const std::string& separator = "+")
{
std::string mod = "";
if ((state & ALT) != 0) mod += mod.empty() ? _("Alt") : separator + _("Alt");
if ((state & CONTROL) != 0) mod += mod.empty() ? _("Ctrl") : separator + _("Ctrl");
if ((state & SHIFT) != 0) mod += mod.empty() ? _("Shift") : separator + _("Shift");
return mod;
}
// Returns true if any of Shift, Ctrl or Alt is currently held down
static bool AnyModifierKeyHeldDown()
{
return wxGetKeyState(WXK_SHIFT) || wxGetKeyState(WXK_CONTROL) || wxGetKeyState(WXK_ALT);
}
static void SaveToNode(unsigned int state, xml::Node& node)
{
node.setAttributeValue(ATTR_MODIFIER, GetModifierString(state));
}
};
} // namespace
|
