/
cocoahelpers.mm
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/
cocoahelpers.mm
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// This file is part of VSTGUI. It is subject to the license terms
// in the LICENSE file found in the top-level directory of this
// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
#include "cocoahelpers.h"
#if MAC_COCOA
#include "../../../vstkeycode.h"
#include "../../../events.h"
#include "../../../cview.h"
#include "../../../cbitmap.h"
#include "../cgbitmap.h"
using namespace VSTGUI;
//------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------
HIDDEN bool CreateKeyboardEventFromNSEvent (NSEvent* theEvent, KeyboardEvent& event)
{
if (theEvent.type == NSEventTypeKeyUp)
event.type = EventType::KeyUp;
else if (theEvent.type == NSEventTypeKeyDown || theEvent.type == NSEventTypeFlagsChanged)
{
event.type = EventType::KeyDown;
if (theEvent.ARepeat)
event.isRepeat = true;
}
else
return false;
NSString *s = [theEvent charactersIgnoringModifiers];
if ([s length] == 1)
{
char32_t utf32Char = {};
if (![s getBytes:&utf32Char
maxLength:sizeof (utf32Char)
usedLength:nullptr
encoding:NSUTF32StringEncoding
options:0
range:NSMakeRange (0, 1)
remainingRange:nullptr])
{
utf32Char = [s characterAtIndex:0];
}
switch (utf32Char)
{
case 8: case 0x7f: event.virt = VirtualKey::Back; break;
case 9: case 0x19: event.virt = VirtualKey::Tab; break;
case NSClearLineFunctionKey: event.virt = VirtualKey::Clear; break;
case 0xd: event.virt = VirtualKey::Return; break;
case NSPauseFunctionKey: event.virt = VirtualKey::Pause; break;
case 0x1b: event.virt = VirtualKey::Escape; break;
case ' ': event.virt = VirtualKey::Space; break;
case NSNextFunctionKey: event.virt = VirtualKey::Next; break;
case NSEndFunctionKey: event.virt = VirtualKey::End; break;
case NSHomeFunctionKey: event.virt = VirtualKey::Home; break;
case NSLeftArrowFunctionKey: event.virt = VirtualKey::Left; break;
case NSUpArrowFunctionKey: event.virt = VirtualKey::Up; break;
case NSRightArrowFunctionKey: event.virt = VirtualKey::Right; break;
case NSDownArrowFunctionKey: event.virt = VirtualKey::Down; break;
case NSPageUpFunctionKey: event.virt = VirtualKey::PageUp; break;
case NSPageDownFunctionKey: event.virt = VirtualKey::PageDown; break;
case NSSelectFunctionKey: event.virt = VirtualKey::Select; break;
case NSPrintFunctionKey: event.virt = VirtualKey::Print; break;
// VirtualKey::ENTER
// VirtualKey::SNAPSHOT
case NSInsertFunctionKey: event.virt = VirtualKey::Insert; break;
case NSDeleteFunctionKey: event.virt = VirtualKey::Delete; break;
case NSHelpFunctionKey: event.virt = VirtualKey::Help; break;
case NSF1FunctionKey: event.virt = VirtualKey::F1; break;
case NSF2FunctionKey: event.virt = VirtualKey::F2; break;
case NSF3FunctionKey: event.virt = VirtualKey::F3; break;
case NSF4FunctionKey: event.virt = VirtualKey::F4; break;
case NSF5FunctionKey: event.virt = VirtualKey::F5; break;
case NSF6FunctionKey: event.virt = VirtualKey::F6; break;
case NSF7FunctionKey: event.virt = VirtualKey::F7; break;
case NSF8FunctionKey: event.virt = VirtualKey::F8; break;
case NSF9FunctionKey: event.virt = VirtualKey::F9; break;
case NSF10FunctionKey: event.virt = VirtualKey::F10; break;
case NSF11FunctionKey: event.virt = VirtualKey::F11; break;
case NSF12FunctionKey: event.virt = VirtualKey::F12; break;
default:
{
switch ([theEvent keyCode])
{
case 82: event.virt = VirtualKey::NumPad0; break;
case 83: event.virt = VirtualKey::NumPad1; break;
case 84: event.virt = VirtualKey::NumPad2; break;
case 85: event.virt = VirtualKey::NumPad3; break;
case 86: event.virt = VirtualKey::NumPad4; break;
case 87: event.virt = VirtualKey::NumPad5; break;
case 88: event.virt = VirtualKey::NumPad6; break;
case 89: event.virt = VirtualKey::NumPad7; break;
case 91: event.virt = VirtualKey::NumPad8; break;
case 92: event.virt = VirtualKey::NumPad9; break;
case 67: event.virt = VirtualKey::Multiply; break;
case 69: event.virt = VirtualKey::Add; break;
case 78: event.virt = VirtualKey::Subtract; break;
case 65: event.virt = VirtualKey::Decimal; break;
case 75: event.virt = VirtualKey::Divide; break;
case 76: event.virt = VirtualKey::Enter; break;
default:
{
if ((utf32Char >= 'A') && (utf32Char <= 'Z'))
utf32Char += ('a' - 'A');
else
utf32Char = static_cast<char32_t> (tolower (utf32Char));
event.character = utf32Char;
break;
}
}
}
}
}
NSUInteger modifiers = [theEvent modifierFlags];
if (modifiers & MacEventModifier::ShiftKeyMask)
event.modifiers.add (ModifierKey::Shift);
if (modifiers & MacEventModifier::CommandKeyMask)
event.modifiers.add (ModifierKey::Control);
if (modifiers & MacEventModifier::AlternateKeyMask)
event.modifiers.add (ModifierKey::Alt);
if (modifiers & MacEventModifier::ControlKeyMask)
event.modifiers.add (ModifierKey::Super);
return true;
}
//------------------------------------------------------------------------------------
HIDDEN NSString* GetVirtualKeyCodeString (VirtualKey virtualKey)
{
unichar character = 0;
switch (virtualKey)
{
case VirtualKey::Back: character = NSBackspaceCharacter; break;
case VirtualKey::Tab: character = NSTabCharacter; break;
case VirtualKey::Clear: character = NSClearLineFunctionKey; break;
case VirtualKey::Return: character = NSCarriageReturnCharacter; break;
case VirtualKey::Pause: character = NSPauseFunctionKey; break;
case VirtualKey::Escape: character = 0x1b; break;
case VirtualKey::Space: character = ' '; break;
case VirtualKey::Next: character = NSNextFunctionKey; break;
case VirtualKey::End: character = NSEndFunctionKey; break;
case VirtualKey::Home: character = NSHomeFunctionKey; break;
case VirtualKey::Left: character = NSLeftArrowFunctionKey; break;
case VirtualKey::Up: character = NSUpArrowFunctionKey; break;
case VirtualKey::Right: character = NSRightArrowFunctionKey; break;
case VirtualKey::Down: character = NSDownArrowFunctionKey; break;
case VirtualKey::PageUp: character = NSPageUpFunctionKey; break;
case VirtualKey::PageDown: character = NSPageDownFunctionKey; break;
case VirtualKey::Select: character = NSSelectFunctionKey; break;
case VirtualKey::Print: character = NSPrintFunctionKey; break;
case VirtualKey::Enter: character = NSEnterCharacter; break;
case VirtualKey::Snapshot: break;
case VirtualKey::Insert: character = NSInsertFunctionKey; break;
case VirtualKey::Delete: character = NSDeleteFunctionKey; break;
case VirtualKey::Help: character = NSHelpFunctionKey; break;
case VirtualKey::NumPad0: break;
case VirtualKey::NumPad1: break;
case VirtualKey::NumPad2: break;
case VirtualKey::NumPad3: break;
case VirtualKey::NumPad4: break;
case VirtualKey::NumPad5: break;
case VirtualKey::NumPad6: break;
case VirtualKey::NumPad7: break;
case VirtualKey::NumPad8: break;
case VirtualKey::NumPad9: break;
case VirtualKey::Multiply: break;
case VirtualKey::Add: break;
case VirtualKey::Separator: break;
case VirtualKey::Subtract: break;
case VirtualKey::Decimal: break;
case VirtualKey::Divide: break;
case VirtualKey::F1: character = NSF1FunctionKey; break;
case VirtualKey::F2: character = NSF2FunctionKey; break;
case VirtualKey::F3: character = NSF3FunctionKey; break;
case VirtualKey::F4: character = NSF4FunctionKey; break;
case VirtualKey::F5: character = NSF5FunctionKey; break;
case VirtualKey::F6: character = NSF6FunctionKey; break;
case VirtualKey::F7: character = NSF7FunctionKey; break;
case VirtualKey::F8: character = NSF8FunctionKey; break;
case VirtualKey::F9: character = NSF9FunctionKey; break;
case VirtualKey::F10: character = NSF10FunctionKey; break;
case VirtualKey::F11: character = NSF11FunctionKey; break;
case VirtualKey::F12: character = NSF12FunctionKey; break;
case VirtualKey::NumLock: break;
case VirtualKey::Scroll: break;
case VirtualKey::Equals: break;
case VirtualKey::ShiftModifier: break;
case VirtualKey::ControlModifier: break;
case VirtualKey::AltModifier: break;
case VirtualKey::None: break;
}
if (character != 0)
return [NSString stringWithFormat:@"%C", character];
return nil;
}
//------------------------------------------------------------------------------------
HIDDEN int32_t eventButton (NSEvent* theEvent)
{
if ([theEvent type] == MacEventType::MouseMoved)
{
return 0;
}
int32_t buttons = 0;
switch ([theEvent buttonNumber])
{
case 0: buttons = ([theEvent modifierFlags] & MacEventModifier::ControlKeyMask) ? kRButton : kLButton; break;
case 1: buttons = kRButton; break;
case 2: buttons = kMButton; break;
case 3: buttons = kButton4; break;
case 4: buttons = kButton5; break;
}
return buttons;
}
//-----------------------------------------------------------------------------
HIDDEN void convertPointToGlobal (NSView* view, NSPoint& p)
{
p = [view convertPoint:p toView:nil];
if ([view window] == nil)
return;
NSRect r = {};
r.origin = p;
r = [[view window] convertRectToScreen:r];
p = r.origin;
}
//-----------------------------------------------------------------------------
HIDDEN NSImage* bitmapToNSImage (CBitmap* bitmap)
{
if (!bitmap)
return nil;
NSImage* image =
[[NSImage alloc] initWithSize:NSMakeSize (bitmap->getWidth (), bitmap->getHeight ())];
for (auto& platformBitmap : *bitmap)
{
if (auto cgBitmap = dynamic_cast<CGBitmap*> (platformBitmap.get ()))
{
if (auto rep = [[NSBitmapImageRep alloc] initWithCGImage:cgBitmap->getCGImage ()])
{
[image addRepresentation:rep];
[rep release];
}
}
}
return image;
}
#endif // MAC_COCOA