/
juce_MouseCursor_mac.mm
197 lines (154 loc) · 7.07 KB
/
juce_MouseCursor_mac.mm
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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 7 End-User License
Agreement and JUCE Privacy Policy.
End User License Agreement: www.juce.com/juce-7-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
#if JUCE_MAC
//==============================================================================
class MouseCursor::PlatformSpecificHandle
{
public:
PlatformSpecificHandle (const MouseCursor::StandardCursorType type)
: cursorHandle (createCursor (type)) {}
PlatformSpecificHandle (const detail::CustomMouseCursorInfo& info)
: cursorHandle (createCursor (info)) {}
~PlatformSpecificHandle()
{
[cursorHandle release];
}
static void showInWindow (PlatformSpecificHandle* handle, ComponentPeer*)
{
auto c = [&]
{
if (handle == nullptr || handle->cursorHandle == nullptr)
return [NSCursor arrowCursor];
return handle->cursorHandle;
}();
[c set];
}
private:
static NSCursor* fromNSImage (NSImage* im, NSPoint hotspot)
{
NSCursor* c = [[NSCursor alloc] initWithImage: im
hotSpot: hotspot];
[im release];
return c;
}
static NSCursor* fromHIServices (const char* filename)
{
JUCE_AUTORELEASEPOOL
{
auto cursorPath = String ("/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/"
"HIServices.framework/Versions/A/Resources/cursors/")
+ filename;
NSImage* originalImage = [[NSImage alloc] initByReferencingFile: juceStringToNS (cursorPath + "/cursor.pdf")];
NSSize originalSize = [originalImage size];
NSImage* resultImage = [[NSImage alloc] initWithSize: originalSize];
for (int scale = 1; scale <= 4; ++scale)
{
NSAffineTransform* scaleTransform = [NSAffineTransform transform];
[scaleTransform scaleBy: (float) scale];
if (CGImageRef rasterCGImage = [originalImage CGImageForProposedRect: nil
context: nil
hints: [NSDictionary dictionaryWithObjectsAndKeys:
NSImageHintCTM, scaleTransform, nil]])
{
NSBitmapImageRep* imageRep = [[NSBitmapImageRep alloc] initWithCGImage: rasterCGImage];
[imageRep setSize: originalSize];
[resultImage addRepresentation: imageRep];
[imageRep release];
}
else
{
return nil;
}
}
[originalImage release];
NSDictionary* info = [NSDictionary dictionaryWithContentsOfFile: juceStringToNS (cursorPath + "/info.plist")];
auto hotspotX = (float) [[info valueForKey: nsStringLiteral ("hotx")] doubleValue];
auto hotspotY = (float) [[info valueForKey: nsStringLiteral ("hoty")] doubleValue];
return fromNSImage (resultImage, NSMakePoint (hotspotX, hotspotY));
}
}
static NSCursor* createCursor (const detail::CustomMouseCursorInfo& info)
{
return fromNSImage (imageToNSImage (info.image),
NSMakePoint (info.hotspot.x, info.hotspot.y));
}
static NSCursor* createCursor (const MouseCursor::StandardCursorType type)
{
JUCE_AUTORELEASEPOOL
{
NSCursor* c = nil;
switch (type)
{
case NormalCursor:
case ParentCursor: c = [NSCursor arrowCursor]; break;
case NoCursor: return createCursor ({ ScaledImage (Image (Image::ARGB, 8, 8, true)), {} });
case DraggingHandCursor: c = [NSCursor openHandCursor]; break;
case WaitCursor: c = [NSCursor arrowCursor]; break; // avoid this on the mac, let the OS provide the beachball
case IBeamCursor: c = [NSCursor IBeamCursor]; break;
case PointingHandCursor: c = [NSCursor pointingHandCursor]; break;
case LeftEdgeResizeCursor: c = [NSCursor resizeLeftCursor]; break;
case RightEdgeResizeCursor: c = [NSCursor resizeRightCursor]; break;
case CrosshairCursor: c = [NSCursor crosshairCursor]; break;
case CopyingCursor:
{
c = [NSCursor dragCopyCursor];
break;
}
case UpDownResizeCursor:
case TopEdgeResizeCursor:
case BottomEdgeResizeCursor:
if (NSCursor* m = fromHIServices ("resizenorthsouth"))
return m;
c = [NSCursor resizeUpDownCursor];
break;
case LeftRightResizeCursor:
if (NSCursor* m = fromHIServices ("resizeeastwest"))
return m;
c = [NSCursor resizeLeftRightCursor];
break;
case TopLeftCornerResizeCursor:
case BottomRightCornerResizeCursor:
return fromHIServices ("resizenorthwestsoutheast");
case TopRightCornerResizeCursor:
case BottomLeftCornerResizeCursor:
return fromHIServices ("resizenortheastsouthwest");
case UpDownLeftRightResizeCursor:
return fromHIServices ("move");
case NumStandardCursorTypes:
default:
jassertfalse;
break;
}
[c retain];
return c;
}
}
NSCursor* cursorHandle;
};
#else
class MouseCursor::PlatformSpecificHandle
{
public:
PlatformSpecificHandle (const MouseCursor::StandardCursorType) {}
PlatformSpecificHandle (const detail::CustomMouseCursorInfo&) {}
static void showInWindow (PlatformSpecificHandle*, ComponentPeer*) {}
};
#endif
} // namespace juce