scratchfoundation/bgfx
1
0
Fork 0
mirror of https://github.com/scratchfoundation/bgfx.git synced 2024-11-25 17:18:12 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions
bgfx/3rdparty/scintilla/cocoa/ScintillaCocoa.mm

2541 lines
82 KiB
Text
Raw Normal View History

Added Scintilla imgui.
2015-06-08 20:07:35 -04:00
/**
* Scintilla source code edit control
* ScintillaCocoa.mm - Cocoa subclass of ScintillaBase
*
* Written by Mike Lischke <mlischke@sun.com>
*
* Loosely based on ScintillaMacOSX.cxx.
* Copyright 2003 by Evan Jones <ejones@uwaterloo.ca>
* Based on ScintillaGTK.cxx Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
* The License.txt file describes the conditions under which this software may be distributed.
*
* Copyright (c) 2009, 2010 Sun Microsystems, Inc. All rights reserved.
* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
*/
#import <Cocoa/Cocoa.h>
#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
#import <QuartzCore/CAGradientLayer.h>
#endif
#import <QuartzCore/CAAnimation.h>
#import <QuartzCore/CATransaction.h>
#import "Platform.h"
#import "ScintillaView.h"
#import "ScintillaCocoa.h"
#import "PlatCocoa.h"
using namespace Scintilla;
NSString* ScintillaRecPboardType = @"com.scintilla.utf16-plain-text.rectangular";
//--------------------------------------------------------------------------------------------------
// Define keyboard shortcuts (equivalents) the Mac way.
#define SCI_CMD ( SCI_CTRL)
#define SCI_SCMD ( SCI_CMD | SCI_SHIFT)
#define SCI_SMETA ( SCI_META | SCI_SHIFT)
static const KeyToCommand macMapDefault[] =
{
// OS X specific
{SCK_DOWN, SCI_CTRL, SCI_DOCUMENTEND},
{SCK_DOWN, SCI_CSHIFT, SCI_DOCUMENTENDEXTEND},
{SCK_UP, SCI_CTRL, SCI_DOCUMENTSTART},
{SCK_UP, SCI_CSHIFT, SCI_DOCUMENTSTARTEXTEND},
{SCK_LEFT, SCI_CTRL, SCI_VCHOME},
{SCK_LEFT, SCI_CSHIFT, SCI_VCHOMEEXTEND},
{SCK_RIGHT, SCI_CTRL, SCI_LINEEND},
{SCK_RIGHT, SCI_CSHIFT, SCI_LINEENDEXTEND},
// Similar to Windows and GTK+
// Where equivalent clashes with OS X standard, use Meta instead
{SCK_DOWN, SCI_NORM, SCI_LINEDOWN},
{SCK_DOWN, SCI_SHIFT, SCI_LINEDOWNEXTEND},
{SCK_DOWN, SCI_META, SCI_LINESCROLLDOWN},
{SCK_DOWN, SCI_ASHIFT, SCI_LINEDOWNRECTEXTEND},
{SCK_UP, SCI_NORM, SCI_LINEUP},
{SCK_UP, SCI_SHIFT, SCI_LINEUPEXTEND},
{SCK_UP, SCI_META, SCI_LINESCROLLUP},
{SCK_UP, SCI_ASHIFT, SCI_LINEUPRECTEXTEND},
{'[', SCI_CTRL, SCI_PARAUP},
{'[', SCI_CSHIFT, SCI_PARAUPEXTEND},
{']', SCI_CTRL, SCI_PARADOWN},
{']', SCI_CSHIFT, SCI_PARADOWNEXTEND},
{SCK_LEFT, SCI_NORM, SCI_CHARLEFT},
{SCK_LEFT, SCI_SHIFT, SCI_CHARLEFTEXTEND},
{SCK_LEFT, SCI_ALT, SCI_WORDLEFT},
{SCK_LEFT, SCI_META, SCI_WORDLEFT},
{SCK_LEFT, SCI_SMETA, SCI_WORDLEFTEXTEND},
{SCK_LEFT, SCI_ASHIFT, SCI_CHARLEFTRECTEXTEND},
{SCK_RIGHT, SCI_NORM, SCI_CHARRIGHT},
{SCK_RIGHT, SCI_SHIFT, SCI_CHARRIGHTEXTEND},
{SCK_RIGHT, SCI_ALT, SCI_WORDRIGHT},
{SCK_RIGHT, SCI_META, SCI_WORDRIGHT},
{SCK_RIGHT, SCI_SMETA, SCI_WORDRIGHTEXTEND},
{SCK_RIGHT, SCI_ASHIFT, SCI_CHARRIGHTRECTEXTEND},
{'/', SCI_CTRL, SCI_WORDPARTLEFT},
{'/', SCI_CSHIFT, SCI_WORDPARTLEFTEXTEND},
{'\\', SCI_CTRL, SCI_WORDPARTRIGHT},
{'\\', SCI_CSHIFT, SCI_WORDPARTRIGHTEXTEND},
{SCK_HOME, SCI_NORM, SCI_VCHOME},
{SCK_HOME, SCI_SHIFT, SCI_VCHOMEEXTEND},
{SCK_HOME, SCI_CTRL, SCI_DOCUMENTSTART},
{SCK_HOME, SCI_CSHIFT, SCI_DOCUMENTSTARTEXTEND},
{SCK_HOME, SCI_ALT, SCI_HOMEDISPLAY},
{SCK_HOME, SCI_ASHIFT, SCI_VCHOMERECTEXTEND},
{SCK_END, SCI_NORM, SCI_LINEEND},
{SCK_END, SCI_SHIFT, SCI_LINEENDEXTEND},
{SCK_END, SCI_CTRL, SCI_DOCUMENTEND},
{SCK_END, SCI_CSHIFT, SCI_DOCUMENTENDEXTEND},
{SCK_END, SCI_ALT, SCI_LINEENDDISPLAY},
{SCK_END, SCI_ASHIFT, SCI_LINEENDRECTEXTEND},
{SCK_PRIOR, SCI_NORM, SCI_PAGEUP},
{SCK_PRIOR, SCI_SHIFT, SCI_PAGEUPEXTEND},
{SCK_PRIOR, SCI_ASHIFT, SCI_PAGEUPRECTEXTEND},
{SCK_NEXT, SCI_NORM, SCI_PAGEDOWN},
{SCK_NEXT, SCI_SHIFT, SCI_PAGEDOWNEXTEND},
{SCK_NEXT, SCI_ASHIFT, SCI_PAGEDOWNRECTEXTEND},
{SCK_DELETE, SCI_NORM, SCI_CLEAR},
{SCK_DELETE, SCI_SHIFT, SCI_CUT},
{SCK_DELETE, SCI_CTRL, SCI_DELWORDRIGHT},
{SCK_DELETE, SCI_CSHIFT, SCI_DELLINERIGHT},
{SCK_INSERT, SCI_NORM, SCI_EDITTOGGLEOVERTYPE},
{SCK_INSERT, SCI_SHIFT, SCI_PASTE},
{SCK_INSERT, SCI_CTRL, SCI_COPY},
{SCK_ESCAPE, SCI_NORM, SCI_CANCEL},
{SCK_BACK, SCI_NORM, SCI_DELETEBACK},
{SCK_BACK, SCI_SHIFT, SCI_DELETEBACK},
{SCK_BACK, SCI_CTRL, SCI_DELWORDLEFT},
{SCK_BACK, SCI_ALT, SCI_DELWORDLEFT},
{SCK_BACK, SCI_CSHIFT, SCI_DELLINELEFT},
{'z', SCI_CMD, SCI_UNDO},
{'z', SCI_SCMD, SCI_REDO},
{'x', SCI_CMD, SCI_CUT},
{'c', SCI_CMD, SCI_COPY},
{'v', SCI_CMD, SCI_PASTE},
{'a', SCI_CMD, SCI_SELECTALL},
{SCK_TAB, SCI_NORM, SCI_TAB},
{SCK_TAB, SCI_SHIFT, SCI_BACKTAB},
{SCK_RETURN, SCI_NORM, SCI_NEWLINE},
{SCK_RETURN, SCI_SHIFT, SCI_NEWLINE},
{SCK_ADD, SCI_CMD, SCI_ZOOMIN},
{SCK_SUBTRACT, SCI_CMD, SCI_ZOOMOUT},
{SCK_DIVIDE, SCI_CMD, SCI_SETZOOM},
{'l', SCI_CMD, SCI_LINECUT},
{'l', SCI_CSHIFT, SCI_LINEDELETE},
{'t', SCI_CSHIFT, SCI_LINECOPY},
{'t', SCI_CTRL, SCI_LINETRANSPOSE},
{'d', SCI_CTRL, SCI_SELECTIONDUPLICATE},
{'u', SCI_CTRL, SCI_LOWERCASE},
{'u', SCI_CSHIFT, SCI_UPPERCASE},
{0, 0, 0},
};
//--------------------------------------------------------------------------------------------------
#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
// Only implement FindHighlightLayer on OS X 10.6+
/**
* Class to display the animated gold roundrect used on OS X for matches.
*/
@interface FindHighlightLayer : CAGradientLayer
{
@private
NSString *sFind;
int positionFind;
BOOL retaining;
CGFloat widthText;
CGFloat heightLine;
NSString *sFont;
CGFloat fontSize;
}
@property (copy) NSString *sFind;
@property (assign) int positionFind;
@property (assign) BOOL retaining;
@property (assign) CGFloat widthText;
@property (assign) CGFloat heightLine;
@property (copy) NSString *sFont;
@property (assign) CGFloat fontSize;
- (void) animateMatch: (CGPoint)ptText bounce:(BOOL)bounce;
- (void) hideMatch;
@end
//--------------------------------------------------------------------------------------------------
@implementation FindHighlightLayer
@synthesize sFind, positionFind, retaining, widthText, heightLine, sFont, fontSize;
-(id) init {
if (self = [super init]) {
[self setNeedsDisplayOnBoundsChange: YES];
// A gold to slightly redder gradient to match other applications
CGColorRef colGold = CGColorCreateGenericRGB(1.0, 1.0, 0, 1.0);
CGColorRef colGoldRed = CGColorCreateGenericRGB(1.0, 0.8, 0, 1.0);
self.colors = [NSArray arrayWithObjects:(id)colGoldRed, (id)colGold, nil];
CGColorRelease(colGoldRed);
CGColorRelease(colGold);
CGColorRef colGreyBorder = CGColorCreateGenericGray(0.756f, 0.5f);
self.borderColor = colGreyBorder;
CGColorRelease(colGreyBorder);
self.borderWidth = 1.0;
self.cornerRadius = 5.0f;
self.shadowRadius = 1.0f;
self.shadowOpacity = 0.9f;
self.shadowOffset = CGSizeMake(0.0f, -2.0f);
self.anchorPoint = CGPointMake(0.5, 0.5);
}
return self;
}
const CGFloat paddingHighlightX = 4;
const CGFloat paddingHighlightY = 2;
-(void) drawInContext:(CGContextRef)context {
if (!sFind || !sFont)
return;
CFStringRef str = CFStringRef(sFind);
CFMutableDictionaryRef styleDict = CFDictionaryCreateMutable(kCFAllocatorDefault, 2,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CGColorRef color = CGColorCreateGenericRGB(0.0, 0.0, 0.0, 1.0);
CFDictionarySetValue(styleDict, kCTForegroundColorAttributeName, color);
CTFontRef fontRef = ::CTFontCreateWithName((CFStringRef)sFont, fontSize, NULL);
CFDictionaryAddValue(styleDict, kCTFontAttributeName, fontRef);
CFAttributedStringRef attrString = ::CFAttributedStringCreate(NULL, str, styleDict);
CTLineRef textLine = ::CTLineCreateWithAttributedString(attrString);
// Indent from corner of bounds
CGContextSetTextPosition(context, paddingHighlightX, 3 + paddingHighlightY);
CTLineDraw(textLine, context);
CFRelease(textLine);
CFRelease(attrString);
CFRelease(fontRef);
CGColorRelease(color);
CFRelease(styleDict);
}
- (void) animateMatch: (CGPoint)ptText bounce:(BOOL)bounce {
if (!self.sFind || ![self.sFind length]) {
[self hideMatch];
return;
}
CGFloat width = self.widthText + paddingHighlightX * 2;
CGFloat height = self.heightLine + paddingHighlightY * 2;
CGFloat flipper = self.geometryFlipped ? -1.0 : 1.0;
// Adjust for padding
ptText.x -= paddingHighlightX;
ptText.y += flipper * paddingHighlightY;
// Shift point to centre as expanding about centre
ptText.x += width / 2.0;
ptText.y -= flipper * height / 2.0;
[CATransaction begin];
[CATransaction setValue:[NSNumber numberWithFloat:0.0] forKey:kCATransactionAnimationDuration];
self.bounds = CGRectMake(0,0, width, height);
self.position = ptText;
if (bounce) {
// Do not reset visibility when just moving
self.hidden = NO;
self.opacity = 1.0;
}
[self setNeedsDisplay];
[CATransaction commit];
if (bounce) {
CABasicAnimation *animBounce = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
animBounce.duration = 0.15;
animBounce.autoreverses = YES;
animBounce.removedOnCompletion = NO;
animBounce.fromValue = [NSNumber numberWithFloat: 1.0];
animBounce.toValue = [NSNumber numberWithFloat: 1.25];
if (self.retaining) {
[self addAnimation: animBounce forKey:@"animateFound"];
} else {
CABasicAnimation *animFade = [CABasicAnimation animationWithKeyPath:@"opacity"];
animFade.duration = 0.1;
animFade.beginTime = 0.4;
animFade.removedOnCompletion = NO;
animFade.fromValue = [NSNumber numberWithFloat: 1.0];
animFade.toValue = [NSNumber numberWithFloat: 0.0];
CAAnimationGroup *group = [CAAnimationGroup animation];
[group setDuration:0.5];
group.removedOnCompletion = NO;
group.fillMode = kCAFillModeForwards;
[group setAnimations:[NSArray arrayWithObjects:animBounce, animFade, nil]];
[self addAnimation:group forKey:@"animateFound"];
}
}
}
- (void) hideMatch {
self.sFind = @"";
self.positionFind = INVALID_POSITION;
self.hidden = YES;
}
@end
#endif
//--------------------------------------------------------------------------------------------------
@implementation TimerTarget
- (id) init: (void*) target
{
self = [super init];
if (self != nil)
{
mTarget = target;
// Get the default notification queue for the thread which created the instance (usually the
// main thread). We need that later for idle event processing.
NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
notificationQueue = [[NSNotificationQueue alloc] initWithNotificationCenter: center];
[center addObserver: self selector: @selector(idleTriggered:) name: @"Idle" object: nil];
}
return self;
}
//--------------------------------------------------------------------------------------------------
- (void) dealloc
{
NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
[center removeObserver:self];
[notificationQueue release];
[super dealloc];
}
//--------------------------------------------------------------------------------------------------
/**
* Method called by a timer installed by ScintillaCocoa. This two step approach is needed because
* a native Obj-C class is required as target for the timer.
*/
- (void) timerFired: (NSTimer*) timer
{
reinterpret_cast<ScintillaCocoa*>(mTarget)->TimerFired(timer);
}
//--------------------------------------------------------------------------------------------------
/**
* Another timer callback for the idle timer.
*/
- (void) idleTimerFired: (NSTimer*) timer
{
#pragma unused(timer)
// Idle timer event.
// Post a new idle notification, which gets executed when the run loop is idle.
// Since we are coalescing on name and sender there will always be only one actual notification
// even for multiple requests.
NSNotification *notification = [NSNotification notificationWithName: @"Idle" object: self];
[notificationQueue enqueueNotification: notification
postingStyle: NSPostWhenIdle
coalesceMask: (NSNotificationCoalescingOnName | NSNotificationCoalescingOnSender)
forModes: nil];
}
//--------------------------------------------------------------------------------------------------
/**
* Another step for idle events. The timer (for idle events) simply requests a notification on
* idle time. Only when this notification is send we actually call back the editor.
*/
- (void) idleTriggered: (NSNotification*) notification
{
#pragma unused(notification)
reinterpret_cast<ScintillaCocoa*>(mTarget)->IdleTimerFired();
}
@end
//----------------- ScintillaCocoa -----------------------------------------------------------------
ScintillaCocoa::ScintillaCocoa(SCIContentView* view, SCIMarginView* viewMargin)
{
vs.marginInside = false;
wMain = view; // Don't retain since we're owned by view, which would cause a cycle
wMargin = viewMargin;
timerTarget = [[TimerTarget alloc] init: this];
lastMouseEvent = NULL;
delegate = NULL;
notifyObj = NULL;
notifyProc = NULL;
capturedMouse = false;
enteredSetScrollingSize = false;
scrollSpeed = 1;
scrollTicks = 2000;
tickTimer = NULL;
idleTimer = NULL;
observer = NULL;
layerFindIndicator = NULL;
imeInteraction = imeInline;
for (TickReason tr=tickCaret; tr<=tickPlatform; tr = static_cast<TickReason>(tr+1))
{
timers[tr] = nil;
}
Initialise();
}
//--------------------------------------------------------------------------------------------------
ScintillaCocoa::~ScintillaCocoa()
{
Finalise();
[timerTarget release];
}
//--------------------------------------------------------------------------------------------------
/**
* Core initialization of the control. Everything that needs to be set up happens here.
*/
void ScintillaCocoa::Initialise()
{
Scintilla_LinkLexers();
// Tell Scintilla not to buffer: Quartz buffers drawing for us.
WndProc(SCI_SETBUFFEREDDRAW, 0, 0);
// We are working with Unicode exclusively.
WndProc(SCI_SETCODEPAGE, SC_CP_UTF8, 0);
// Add Mac specific key bindings.
for (int i = 0; macMapDefault[i].key; i++)
kmap.AssignCmdKey(macMapDefault[i].key, macMapDefault[i].modifiers, macMapDefault[i].msg);
}
//--------------------------------------------------------------------------------------------------
/**
* We need some clean up. Do it here.
*/
void ScintillaCocoa::Finalise()
{
ObserverRemove();
for (TickReason tr=tickCaret; tr<=tickPlatform; tr = static_cast<TickReason>(tr+1))
{
FineTickerCancel(tr);
}
ScintillaBase::Finalise();
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::UpdateObserver(CFRunLoopObserverRef /* observer */, CFRunLoopActivity /* activity */, void *info) {
ScintillaCocoa* sci = reinterpret_cast<ScintillaCocoa*>(info);
sci->IdleWork();
}
//--------------------------------------------------------------------------------------------------
/**
* Add an observer to the run loop to perform styling as high-priority idle task.
*/
void ScintillaCocoa::ObserverAdd() {
if (!observer) {
CFRunLoopObserverContext context;
context.version = 0;
context.info = this;
context.retain = NULL;
context.release = NULL;
context.copyDescription = NULL;
CFRunLoopRef mainRunLoop = CFRunLoopGetMain();
observer = CFRunLoopObserverCreate(NULL, kCFRunLoopEntry | kCFRunLoopBeforeWaiting,
true, 0, UpdateObserver, &context);
CFRunLoopAddObserver(mainRunLoop, observer, kCFRunLoopCommonModes);
}
}
//--------------------------------------------------------------------------------------------------
/**
* Remove the run loop observer.
*/
void ScintillaCocoa::ObserverRemove() {
if (observer) {
CFRunLoopRef mainRunLoop = CFRunLoopGetMain();
CFRunLoopRemoveObserver(mainRunLoop, observer, kCFRunLoopCommonModes);
CFRelease(observer);
}
observer = NULL;
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::IdleWork() {
Editor::IdleWork();
ObserverRemove();
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::QueueIdleWork(WorkNeeded::workItems items, int upTo) {
Editor::QueueIdleWork(items, upTo);
ObserverAdd();
}
//--------------------------------------------------------------------------------------------------
/**
* Convert a core foundation string into an array of bytes in a particular encoding
*/
static char *EncodedBytes(CFStringRef cfsRef, CFStringEncoding encoding) {
CFRange rangeAll = {0, CFStringGetLength(cfsRef)};
CFIndex usedLen = 0;
CFStringGetBytes(cfsRef, rangeAll, encoding, '?',
false, NULL, 0, &usedLen);
char *buffer = new char[usedLen+1];
CFStringGetBytes(cfsRef, rangeAll, encoding, '?',
false, (UInt8 *)buffer,usedLen, NULL);
buffer[usedLen] = '\0';
return buffer;
}
//--------------------------------------------------------------------------------------------------
/**
* Convert a core foundation string into a std::string in a particular encoding
*/
static std::string EncodedBytesString(CFStringRef cfsRef, CFStringEncoding encoding) {
const CFRange rangeAll = {0, CFStringGetLength(cfsRef)};
CFIndex usedLen = 0;
CFStringGetBytes(cfsRef, rangeAll, encoding, '?', false,
NULL, 0, &usedLen);
std::string buffer(usedLen, '\0');
if (usedLen > 0) {
CFStringGetBytes(cfsRef, rangeAll, encoding, '?', false,
reinterpret_cast<UInt8 *>(&buffer[0]), usedLen, NULL);
}
return buffer;
}
//--------------------------------------------------------------------------------------------------
/**
* Case folders.
*/
class CaseFolderDBCS : public CaseFolderTable {
CFStringEncoding encoding;
public:
explicit CaseFolderDBCS(CFStringEncoding encoding_) : encoding(encoding_) {
StandardASCII();
}
virtual size_t Fold(char *folded, size_t sizeFolded, const char *mixed, size_t lenMixed) {
if ((lenMixed == 1) && (sizeFolded > 0)) {
folded[0] = mapping[static_cast<unsigned char>(mixed[0])];
return 1;
} else {
CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(mixed),
lenMixed, encoding, false);
NSString *sMapped = [(NSString *)cfsVal stringByFoldingWithOptions:NSCaseInsensitiveSearch
locale:[NSLocale currentLocale]];
char *encoded = EncodedBytes((CFStringRef)sMapped, encoding);
size_t lenMapped = strlen(encoded);
if (lenMapped < sizeFolded) {
memcpy(folded, encoded, lenMapped);
} else {
folded[0] = '\0';
lenMapped = 1;
}
delete []encoded;
CFRelease(cfsVal);
return lenMapped;
}
}
};
CaseFolder *ScintillaCocoa::CaseFolderForEncoding() {
if (pdoc->dbcsCodePage == SC_CP_UTF8) {
return new CaseFolderUnicode();
} else {
CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
vs.styles[STYLE_DEFAULT].characterSet);
if (pdoc->dbcsCodePage == 0) {
CaseFolderTable *pcf = new CaseFolderTable();
pcf->StandardASCII();
// Only for single byte encodings
for (int i=0x80; i<0x100; i++) {
char sCharacter[2] = "A";
sCharacter[0] = static_cast<char>(i);
CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(sCharacter),
1, encoding, false);
if (!cfsVal)
continue;
NSString *sMapped = [(NSString *)cfsVal stringByFoldingWithOptions:NSCaseInsensitiveSearch
locale:[NSLocale currentLocale]];
char *encoded = EncodedBytes((CFStringRef)sMapped, encoding);
if (strlen(encoded) == 1) {
pcf->SetTranslation(sCharacter[0], encoded[0]);
}
delete []encoded;
CFRelease(cfsVal);
}
return pcf;
} else {
return new CaseFolderDBCS(encoding);
}
return 0;
}
}
//--------------------------------------------------------------------------------------------------
/**
* Case-fold the given string depending on the specified case mapping type.
*/
std::string ScintillaCocoa::CaseMapString(const std::string &s, int caseMapping)
{
if ((s.size() == 0) || (caseMapping == cmSame))
return s;
if (IsUnicodeMode()) {
std::string retMapped(s.length() * maxExpansionCaseConversion, 0);
size_t lenMapped = CaseConvertString(&retMapped[0], retMapped.length(), s.c_str(), s.length(),
(caseMapping == cmUpper) ? CaseConversionUpper : CaseConversionLower);
retMapped.resize(lenMapped);
return retMapped;
}
CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
vs.styles[STYLE_DEFAULT].characterSet);
CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(s.c_str()),
s.length(), encoding, false);
NSString *sMapped;
switch (caseMapping)
{
case cmUpper:
sMapped = [(NSString *)cfsVal uppercaseString];
break;
case cmLower:
sMapped = [(NSString *)cfsVal lowercaseString];
break;
default:
sMapped = (NSString *)cfsVal;
}
// Back to encoding
char *encoded = EncodedBytes((CFStringRef)sMapped, encoding);
std::string result(encoded);
delete []encoded;
CFRelease(cfsVal);
return result;
}
//--------------------------------------------------------------------------------------------------
/**
* Cancel all modes, both for base class and any find indicator.
*/
void ScintillaCocoa::CancelModes() {
ScintillaBase::CancelModes();
HideFindIndicator();
}
//--------------------------------------------------------------------------------------------------
/**
* Helper function to get the scrolling view.
*/
NSScrollView* ScintillaCocoa::ScrollContainer() const {
NSView* container = static_cast<NSView*>(wMain.GetID());
return static_cast<NSScrollView*>([[container superview] superview]);
}
//--------------------------------------------------------------------------------------------------
/**
* Helper function to get the inner container which represents the actual "canvas" we work with.
*/
SCIContentView* ScintillaCocoa::ContentView()
{
return static_cast<SCIContentView*>(wMain.GetID());
}
//--------------------------------------------------------------------------------------------------
/**
* Return the top left visible point relative to the origin point of the whole document.
*/
Scintilla::Point ScintillaCocoa::GetVisibleOriginInMain() const
{
NSScrollView *scrollView = ScrollContainer();
NSRect contentRect = [[scrollView contentView] bounds];
return Point(static_cast<XYPOSITION>(contentRect.origin.x), static_cast<XYPOSITION>(contentRect.origin.y));
}
//--------------------------------------------------------------------------------------------------
/**
* Instead of returning the size of the inner view we have to return the visible part of it
* in order to make scrolling working properly.
* The returned value is in document coordinates.
*/
PRectangle ScintillaCocoa::GetClientRectangle() const
{
NSScrollView *scrollView = ScrollContainer();
NSSize size = [[scrollView contentView] bounds].size;
Point origin = GetVisibleOriginInMain();
return PRectangle(origin.x, origin.y, static_cast<XYPOSITION>(origin.x+size.width),
static_cast<XYPOSITION>(origin.y + size.height));
}
//--------------------------------------------------------------------------------------------------
/**
* Allow for prepared rectangle
*/
PRectangle ScintillaCocoa::GetClientDrawingRectangle() {
#if MAC_OS_X_VERSION_MAX_ALLOWED > 1080
NSView *content = ContentView();
if ([content respondsToSelector: @selector(setPreparedContentRect:)]) {
NSRect rcPrepared = [content preparedContentRect];
if (!NSIsEmptyRect(rcPrepared))
return NSRectToPRectangle(rcPrepared);
}
#endif
return ScintillaCocoa::GetClientRectangle();
}
//--------------------------------------------------------------------------------------------------
/**
* Converts the given point from base coordinates to local coordinates and at the same time into
* a native Point structure. Base coordinates are used for the top window used in the view hierarchy.
* Returned value is in view coordinates.
*/
Scintilla::Point ScintillaCocoa::ConvertPoint(NSPoint point)
{
NSView* container = ContentView();
NSPoint result = [container convertPoint: point fromView: nil];
Scintilla::Point ptOrigin = GetVisibleOriginInMain();
return Point(static_cast<XYPOSITION>(result.x - ptOrigin.x), static_cast<XYPOSITION>(result.y - ptOrigin.y));
}
//--------------------------------------------------------------------------------------------------
/**
* Do not clip like superclass as Cocoa is not reporting all of prepared area.
*/
void ScintillaCocoa::RedrawRect(PRectangle rc)
{
if (!rc.Empty())
wMain.InvalidateRectangle(rc);
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::DiscardOverdraw()
{
#if MAC_OS_X_VERSION_MAX_ALLOWED > 1080
// If running on 10.9, reset prepared area to visible area
NSView *content = ContentView();
if ([content respondsToSelector: @selector(setPreparedContentRect:)]) {
content.preparedContentRect = [content visibleRect];
}
#endif
}
//--------------------------------------------------------------------------------------------------
/**
* Ensure all of prepared content is also redrawn.
*/
void ScintillaCocoa::Redraw()
{
wMargin.InvalidateAll();
DiscardOverdraw();
wMain.InvalidateAll();
}
//--------------------------------------------------------------------------------------------------
/**
* A function to directly execute code that would usually go the long way via window messages.
* However this is a Windows metaphor and not used here, hence we just call our fake
* window proc. The given parameters directly reflect the message parameters used on Windows.
*
* @param ptr The target which is to be called.
* @param iMessage A code that indicates which message was sent.
* @param wParam One of the two free parameters for the message. Traditionally a word sized parameter
* (hence the w prefix).
* @param lParam The other of the two free parameters. A signed long.
*/
sptr_t ScintillaCocoa::DirectFunction(sptr_t ptr, unsigned int iMessage, uptr_t wParam,
sptr_t lParam)
{
return reinterpret_cast<ScintillaCocoa *>(ptr)->WndProc(iMessage, wParam, lParam);
}
//--------------------------------------------------------------------------------------------------
/**
* This method is very similar to DirectFunction. On Windows it sends a message (not in the Obj-C sense)
* to the target window. Here we simply call our fake window proc.
*/
sptr_t scintilla_send_message(void* sci, unsigned int iMessage, uptr_t wParam, sptr_t lParam)
{
ScintillaView *control = reinterpret_cast<ScintillaView*>(sci);
return [control message:iMessage wParam:wParam lParam:lParam];
}
//--------------------------------------------------------------------------------------------------
/**
* That's our fake window procedure. On Windows each window has a dedicated procedure to handle
* commands (also used to synchronize UI and background threads), which is not the case in Cocoa.
*
* Messages handled here are almost solely for special commands of the backend. Everything which
* would be system messages on Windows (e.g. for key down, mouse move etc.) are handled by
* directly calling appropriate handlers.
*/
sptr_t ScintillaCocoa::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam)
{
switch (iMessage)
{
case SCI_GETDIRECTFUNCTION:
return reinterpret_cast<sptr_t>(DirectFunction);
case SCI_GETDIRECTPOINTER:
return reinterpret_cast<sptr_t>(this);
case SCI_TARGETASUTF8:
return TargetAsUTF8(reinterpret_cast<char*>(lParam));
case SCI_ENCODEDFROMUTF8:
return EncodedFromUTF8(reinterpret_cast<char*>(wParam),
reinterpret_cast<char*>(lParam));
case SCI_SETIMEINTERACTION:
// Only inline IME supported on Cocoa
break;
case SCI_GRABFOCUS:
[[ContentView() window] makeFirstResponder:ContentView()];
break;
case SCI_SETBUFFEREDDRAW:
// Buffered drawing not supported on Cocoa
view.bufferedDraw = false;
break;
case SCI_FINDINDICATORSHOW:
ShowFindIndicatorForRange(NSMakeRange(wParam, lParam-wParam), YES);
return 0;
case SCI_FINDINDICATORFLASH:
ShowFindIndicatorForRange(NSMakeRange(wParam, lParam-wParam), NO);
return 0;
case SCI_FINDINDICATORHIDE:
HideFindIndicator();
return 0;
default:
sptr_t r = ScintillaBase::WndProc(iMessage, wParam, lParam);
return r;
}
return 0l;
}
//--------------------------------------------------------------------------------------------------
/**
* In Windows lingo this is the handler which handles anything that wasn't handled in the normal
* window proc which would usually send the message back to generic window proc that Windows uses.
*/
sptr_t ScintillaCocoa::DefWndProc(unsigned int, uptr_t, sptr_t)
{
return 0;
}
//--------------------------------------------------------------------------------------------------
/**
* Handle any ScintillaCocoa-specific ticking or call superclass.
*/
void ScintillaCocoa::TickFor(TickReason reason)
{
if (reason == tickPlatform)
{
DragScroll();
}
else
{
Editor::TickFor(reason);
}
}
//--------------------------------------------------------------------------------------------------
/**
* Report that this Editor subclass has a working implementation of FineTickerStart.
*/
bool ScintillaCocoa::FineTickerAvailable()
{
return true;
}
//--------------------------------------------------------------------------------------------------
/**
* Is a particular timer currently running?
*/
bool ScintillaCocoa::FineTickerRunning(TickReason reason)
{
return timers[reason] != nil;
}
//--------------------------------------------------------------------------------------------------
/**
* Start a fine-grained timer.
*/
void ScintillaCocoa::FineTickerStart(TickReason reason, int millis, int tolerance)
{
FineTickerCancel(reason);
NSTimer *fineTimer = [NSTimer scheduledTimerWithTimeInterval: millis / 1000.0
target: timerTarget
selector: @selector(timerFired:)
userInfo: nil
repeats: YES];
if (tolerance && [fineTimer respondsToSelector: @selector(setTolerance:)])
{
[fineTimer setTolerance: tolerance / 1000.0];
}
timers[reason] = fineTimer;
}
//--------------------------------------------------------------------------------------------------
/**
* Cancel a fine-grained timer.
*/
void ScintillaCocoa::FineTickerCancel(TickReason reason)
{
if (timers[reason])
{
[timers[reason] invalidate];
timers[reason] = nil;
}
}
//--------------------------------------------------------------------------------------------------
bool ScintillaCocoa::SetIdle(bool on)
{
if (idler.state != on)
{
idler.state = on;
if (idler.state)
{
// Scintilla ticks = milliseconds
idleTimer = [NSTimer scheduledTimerWithTimeInterval: timer.tickSize / 1000.0
target: timerTarget
selector: @selector(idleTimerFired:)
userInfo: nil
repeats: YES];
idler.idlerID = reinterpret_cast<IdlerID>(idleTimer);
}
else
if (idler.idlerID != NULL)
{
[reinterpret_cast<NSTimer*>(idler.idlerID) invalidate];
idler.idlerID = 0;
}
}
return true;
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::CopyToClipboard(const SelectionText &selectedText)
{
SetPasteboardData([NSPasteboard generalPasteboard], selectedText);
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::Copy()
{
if (!sel.Empty())
{
SelectionText selectedText;
CopySelectionRange(&selectedText);
CopyToClipboard(selectedText);
}
}
//--------------------------------------------------------------------------------------------------
bool ScintillaCocoa::CanPaste()
{
if (!Editor::CanPaste())
return false;
return GetPasteboardData([NSPasteboard generalPasteboard], NULL);
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::Paste()
{
Paste(false);
}
//--------------------------------------------------------------------------------------------------
/**
* Pastes data from the paste board into the editor.
*/
void ScintillaCocoa::Paste(bool forceRectangular)
{
SelectionText selectedText;
bool ok = GetPasteboardData([NSPasteboard generalPasteboard], &selectedText);
if (forceRectangular)
selectedText.rectangular = forceRectangular;
if (!ok || selectedText.Empty())
// No data or no flavor we support.
return;
pdoc->BeginUndoAction();
ClearSelection(false);
InsertPasteShape(selectedText.Data(), static_cast<int>(selectedText.Length()),
selectedText.rectangular ? pasteRectangular : pasteStream);
pdoc->EndUndoAction();
Redraw();
EnsureCaretVisible();
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::CTPaint(void* gc, NSRect rc) {
#pragma unused(rc)
Surface *surfaceWindow = Surface::Allocate(SC_TECHNOLOGY_DEFAULT);
if (surfaceWindow) {
surfaceWindow->Init(gc, wMain.GetID());
surfaceWindow->SetUnicodeMode(SC_CP_UTF8 == ct.codePage);
surfaceWindow->SetDBCSMode(ct.codePage);
ct.PaintCT(surfaceWindow);
surfaceWindow->Release();
delete surfaceWindow;
}
}
@interface CallTipView : NSControl {
ScintillaCocoa *sci;
}
@end
@implementation CallTipView
- (NSView*) initWithFrame: (NSRect) frame {
self = [super initWithFrame: frame];
if (self) {
sci = NULL;
}
return self;
}
- (void) dealloc {
[super dealloc];
}
- (BOOL) isFlipped {
return YES;
}
- (void) setSci: (ScintillaCocoa *) sci_ {
sci = sci_;
}
- (void) drawRect: (NSRect) needsDisplayInRect {
if (sci) {
CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
sci->CTPaint(context, needsDisplayInRect);
}
}
- (void) mouseDown: (NSEvent *) event {
if (sci) {
sci->CallTipMouseDown([event locationInWindow]);
}
}
// On OS X, only the key view should modify the cursor so the calltip can't.
// This view does not become key so resetCursorRects never called.
- (void) resetCursorRects {
//[super resetCursorRects];
//[self addCursorRect: [self bounds] cursor: [NSCursor arrowCursor]];
}
@end
void ScintillaCocoa::CallTipMouseDown(NSPoint pt) {
NSRect rectBounds = [(NSView *)(ct.wDraw.GetID()) bounds];
Point location(static_cast<XYPOSITION>(pt.x),
static_cast<XYPOSITION>(rectBounds.size.height - pt.y));
ct.MouseClick(location);
CallTipClick();
}
static bool HeightDifferent(WindowID wCallTip, PRectangle rc) {
NSWindow *callTip = (NSWindow *)wCallTip;
CGFloat height = NSHeight([callTip frame]);
return height != rc.Height();
}
void ScintillaCocoa::CreateCallTipWindow(PRectangle rc) {
if (ct.wCallTip.Created() && HeightDifferent(ct.wCallTip.GetID(), rc)) {
ct.wCallTip.Destroy();
}
if (!ct.wCallTip.Created()) {
NSRect ctRect = NSMakeRect(rc.top,rc.bottom, rc.Width(), rc.Height());
NSWindow *callTip = [[NSWindow alloc] initWithContentRect: ctRect
styleMask: NSBorderlessWindowMask
backing: NSBackingStoreBuffered
defer: NO];
[callTip setLevel:NSFloatingWindowLevel];
[callTip setHasShadow:YES];
NSRect ctContent = NSMakeRect(0,0, rc.Width(), rc.Height());
CallTipView *caption = [[CallTipView alloc] initWithFrame: ctContent];
[caption setAutoresizingMask: NSViewWidthSizable | NSViewMaxYMargin];
[caption setSci: this];
[[callTip contentView] addSubview: caption];
[callTip orderFront:caption];
ct.wCallTip = callTip;
ct.wDraw = caption;
}
}
void ScintillaCocoa::AddToPopUp(const char *label, int cmd, bool enabled)
{
NSMenuItem* item;
ScintillaContextMenu *menu= reinterpret_cast<ScintillaContextMenu*>(popup.GetID());
[menu setOwner: this];
[menu setAutoenablesItems: NO];
if (cmd == 0) {
item = [NSMenuItem separatorItem];
} else {
item = [[[NSMenuItem alloc] init] autorelease];
[item setTitle: [NSString stringWithUTF8String: label]];
}
[item setTarget: menu];
[item setAction: @selector(handleCommand:)];
[item setTag: cmd];
[item setEnabled: enabled];
[menu addItem: item];
}
// -------------------------------------------------------------------------------------------------
void ScintillaCocoa::ClaimSelection()
{
// Mac OS X does not have a primary selection.
}
// -------------------------------------------------------------------------------------------------
/**
* Returns the current caret position (which is tracked as an offset into the entire text string)
* as a row:column pair. The result is zero-based.
*/
NSPoint ScintillaCocoa::GetCaretPosition()
{
const int line = pdoc->LineFromPosition(sel.RangeMain().caret.Position());
NSPoint result;
result.y = line;
result.x = sel.RangeMain().caret.Position() - pdoc->LineStart(line);
return result;
}
// -------------------------------------------------------------------------------------------------
#pragma mark Drag
/**
* Triggered by the tick timer on a regular basis to scroll the content during a drag operation.
*/
void ScintillaCocoa::DragScroll()
{
if (!posDrag.IsValid())
{
scrollSpeed = 1;
scrollTicks = 2000;
return;
}
// TODO: does not work for wrapped lines, fix it.
int line = pdoc->LineFromPosition(posDrag.Position());
int currentVisibleLine = cs.DisplayFromDoc(line);
int lastVisibleLine = Platform::Minimum(topLine + LinesOnScreen(), cs.LinesDisplayed()) - 2;
if (currentVisibleLine <= topLine && topLine > 0)
ScrollTo(topLine - scrollSpeed);
else
if (currentVisibleLine >= lastVisibleLine)
ScrollTo(topLine + scrollSpeed);
else
{
scrollSpeed = 1;
scrollTicks = 2000;
return;
}
// TODO: also handle horizontal scrolling.
if (scrollSpeed == 1)
{
scrollTicks -= timer.tickSize;
if (scrollTicks <= 0)
{
scrollSpeed = 5;
scrollTicks = 2000;
}
}
}
//----------------- DragProviderSource -------------------------------------------------------
@interface DragProviderSource : NSObject <NSPasteboardItemDataProvider>
{
SelectionText selectedText;
}
@end
@implementation DragProviderSource
- (id)initWithSelectedText:(const SelectionText *)other
{
self = [super init];
if (self) {
selectedText.Copy(*other);
}
return self;
}
- (void)pasteboard:(NSPasteboard *)pasteboard item:(NSPasteboardItem *)item provideDataForType:(NSString *)type
{
if (selectedText.Length() == 0)
return;
if (([type compare: NSPasteboardTypeString] != NSOrderedSame) &&
([type compare: ScintillaRecPboardType] != NSOrderedSame))
return;
CFStringEncoding encoding = EncodingFromCharacterSet(selectedText.codePage == SC_CP_UTF8,
selectedText.characterSet);
CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(selectedText.Data()),
selectedText.Length(), encoding, false);
if ([type compare: NSPasteboardTypeString] == NSOrderedSame)
{
[pasteboard setString:(NSString *)cfsVal forType: NSStringPboardType];
}
else if ([type compare: ScintillaRecPboardType] == NSOrderedSame)
{
// This is specific to scintilla, allows us to drag rectangular selections around the document.
if (selectedText.rectangular)
[pasteboard setString:(NSString *)cfsVal forType: ScintillaRecPboardType];
}
if (cfsVal)
CFRelease(cfsVal);
}
@end
//--------------------------------------------------------------------------------------------------
/**
* Called when a drag operation was initiated from within Scintilla.
*/
void ScintillaCocoa::StartDrag()
{
if (sel.Empty())
return;
inDragDrop = ddDragging;
FineTickerStart(tickPlatform, timer.tickSize, 0);
// Put the data to be dragged on the drag pasteboard.
SelectionText selectedText;
NSPasteboard* pasteboard = [NSPasteboard pasteboardWithName: NSDragPboard];
CopySelectionRange(&selectedText);
SetPasteboardData(pasteboard, selectedText);
// calculate the bounds of the selection
PRectangle client = GetTextRectangle();
int selStart = sel.RangeMain().Start().Position();
int selEnd = sel.RangeMain().End().Position();
int startLine = pdoc->LineFromPosition(selStart);
int endLine = pdoc->LineFromPosition(selEnd);
Point pt;
long startPos, endPos, ep;
PRectangle rcSel;
if (startLine==endLine && WndProc(SCI_GETWRAPMODE, 0, 0) != SC_WRAP_NONE) {
// Komodo bug http://bugs.activestate.com/show_bug.cgi?id=87571
// Scintilla bug https://sourceforge.net/tracker/?func=detail&atid=102439&aid=3040200&group_id=2439
// If the width on a wrapped-line selection is negative,
// find a better bounding rectangle.
Point ptStart, ptEnd;
startPos = WndProc(SCI_GETLINESELSTARTPOSITION, startLine, 0);
endPos = WndProc(SCI_GETLINESELENDPOSITION, startLine, 0);
// step back a position if we're counting the newline
ep = WndProc(SCI_GETLINEENDPOSITION, startLine, 0);
if (endPos > ep) endPos = ep;
ptStart = LocationFromPosition(static_cast<int>(startPos));
ptEnd = LocationFromPosition(static_cast<int>(endPos));
if (ptStart.y == ptEnd.y) {
// We're just selecting part of one visible line
rcSel.left = ptStart.x;
rcSel.right = ptEnd.x < client.right ? ptEnd.x : client.right;
} else {
// Find the bounding box.
startPos = WndProc(SCI_POSITIONFROMLINE, startLine, 0);
rcSel.left = LocationFromPosition(static_cast<int>(startPos)).x;
rcSel.right = client.right;
}
rcSel.top = ptStart.y;
rcSel.bottom = ptEnd.y + vs.lineHeight;
if (rcSel.bottom > client.bottom) {
rcSel.bottom = client.bottom;
}
} else {
rcSel.top = rcSel.bottom = rcSel.right = rcSel.left = -1;
for (int l = startLine; l <= endLine; l++) {
startPos = WndProc(SCI_GETLINESELSTARTPOSITION, l, 0);
endPos = WndProc(SCI_GETLINESELENDPOSITION, l, 0);
if (endPos == startPos) continue;
// step back a position if we're counting the newline
ep = WndProc(SCI_GETLINEENDPOSITION, l, 0);
if (endPos > ep) endPos = ep;
pt = LocationFromPosition(static_cast<int>(startPos)); // top left of line selection
if (pt.x < rcSel.left || rcSel.left < 0) rcSel.left = pt.x;
if (pt.y < rcSel.top || rcSel.top < 0) rcSel.top = pt.y;
pt = LocationFromPosition(static_cast<int>(endPos)); // top right of line selection
pt.y += vs.lineHeight; // get to the bottom of the line
if (pt.x > rcSel.right || rcSel.right < 0) {
if (pt.x > client.right)
rcSel.right = client.right;
else
rcSel.right = pt.x;
}
if (pt.y > rcSel.bottom || rcSel.bottom < 0) {
if (pt.y > client.bottom)
rcSel.bottom = client.bottom;
else
rcSel.bottom = pt.y;
}
}
}
// must convert to global coordinates for drag regions, but also save the
// image rectangle for further calculations and copy operations
// Prepare drag image.
NSRect selectionRectangle = PRectangleToNSRect(rcSel);
SCIContentView* content = ContentView();
// To get a bitmap of the text we're dragging, we just use Paint on a pixmap surface.
SurfaceImpl *sw = new SurfaceImpl();
SurfaceImpl *pixmap = NULL;
bool lastHideSelection = view.hideSelection;
view.hideSelection = true;
if (sw)
{
pixmap = new SurfaceImpl();
if (pixmap)
{
PRectangle imageRect = rcSel;
paintState = painting;
sw->InitPixMap(static_cast<int>(client.Width()), static_cast<int>(client.Height()), NULL, NULL);
paintingAllText = true;
// Have to create a new context and make current as text drawing goes
// to the current context, not a passed context.
CGContextRef gcsw = sw->GetContext();
NSGraphicsContext *nsgc = [NSGraphicsContext graphicsContextWithGraphicsPort: gcsw
flipped: YES];
[NSGraphicsContext setCurrentContext:nsgc];
CGContextTranslateCTM(gcsw, -client.left, -client.top);
Paint(sw, client);
paintState = notPainting;
pixmap->InitPixMap(static_cast<int>(imageRect.Width()), static_cast<int>(imageRect.Height()), NULL, NULL);
CGContextRef gc = pixmap->GetContext();
// To make Paint() work on a bitmap, we have to flip our coordinates and translate the origin
CGContextTranslateCTM(gc, 0, imageRect.Height());
CGContextScaleCTM(gc, 1.0, -1.0);
pixmap->CopyImageRectangle(*sw, imageRect, PRectangle(0.0f, 0.0f, imageRect.Width(), imageRect.Height()));
// XXX TODO: overwrite any part of the image that is not part of the
// selection to make it transparent. right now we just use
// the full rectangle which may include non-selected text.
}
sw->Release();
delete sw;
}
view.hideSelection = lastHideSelection;
NSBitmapImageRep* bitmap = NULL;
if (pixmap)
{
CGImageRef imagePixmap = pixmap->GetImage();
if (imagePixmap)
bitmap = [[[NSBitmapImageRep alloc] initWithCGImage: imagePixmap] autorelease];
CGImageRelease(imagePixmap);
pixmap->Release();
delete pixmap;
}
NSImage* image = [[[NSImage alloc] initWithSize: selectionRectangle.size] autorelease];
[image addRepresentation: bitmap];
NSImage* dragImage = [[[NSImage alloc] initWithSize: selectionRectangle.size] autorelease];
[dragImage setBackgroundColor: [NSColor clearColor]];
[dragImage lockFocus];
[image drawAtPoint: NSZeroPoint fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 0.5];
[dragImage unlockFocus];
NSPoint startPoint;
startPoint.x = selectionRectangle.origin.x + client.left;
startPoint.y = selectionRectangle.origin.y + selectionRectangle.size.height + client.top;
NSPasteboardItem *pbItem = [NSPasteboardItem new];
DragProviderSource *dps = [[[DragProviderSource alloc] initWithSelectedText:&selectedText] autorelease];
NSArray *pbTypes = selectedText.rectangular ?
@[NSPasteboardTypeString, ScintillaRecPboardType] :
@[NSPasteboardTypeString];
[pbItem setDataProvider:dps forTypes:pbTypes];
NSDraggingItem *dragItem = [[NSDraggingItem alloc ]initWithPasteboardWriter:pbItem];
[pbItem release];
NSScrollView *scrollContainer = ScrollContainer();
NSRect contentRect = [[scrollContainer contentView] bounds];
NSRect draggingRect = NSOffsetRect(selectionRectangle, contentRect.origin.x, contentRect.origin.y);
[dragItem setDraggingFrame:draggingRect contents:dragImage];
NSDraggingSession *dragSession =
[content beginDraggingSessionWithItems:@[[dragItem autorelease]]
event:lastMouseEvent
source:content];
dragSession.animatesToStartingPositionsOnCancelOrFail = YES;
dragSession.draggingFormation = NSDraggingFormationNone;
}
//--------------------------------------------------------------------------------------------------
/**
* Called when a drag operation reaches the control which was initiated outside.
*/
NSDragOperation ScintillaCocoa::DraggingEntered(id <NSDraggingInfo> info)
{
FineTickerStart(tickPlatform, timer.tickSize, 0);
return DraggingUpdated(info);
}
//--------------------------------------------------------------------------------------------------
/**
* Called frequently during a drag operation if we are the target. Keep telling the caller
* what drag operation we accept and update the drop caret position to indicate the
* potential insertion point of the dragged data.
*/
NSDragOperation ScintillaCocoa::DraggingUpdated(id <NSDraggingInfo> info)
{
// Convert the drag location from window coordinates to view coordinates and
// from there to a text position to finally set the drag position.
Point location = ConvertPoint([info draggingLocation]);
SetDragPosition(SPositionFromLocation(location));
NSDragOperation sourceDragMask = [info draggingSourceOperationMask];
if (sourceDragMask == NSDragOperationNone)
return sourceDragMask;
NSPasteboard* pasteboard = [info draggingPasteboard];
// Return what type of operation we will perform. Prefer move over copy.
if ([[pasteboard types] containsObject: NSStringPboardType] ||
[[pasteboard types] containsObject: ScintillaRecPboardType])
return (sourceDragMask & NSDragOperationMove) ? NSDragOperationMove : NSDragOperationCopy;
if ([[pasteboard types] containsObject: NSFilenamesPboardType])
return (sourceDragMask & NSDragOperationGeneric);
return NSDragOperationNone;
}
//--------------------------------------------------------------------------------------------------
/**
* Resets the current drag position as we are no longer the drag target.
*/
void ScintillaCocoa::DraggingExited(id <NSDraggingInfo> info)
{
#pragma unused(info)
SetDragPosition(SelectionPosition(invalidPosition));
FineTickerCancel(tickPlatform);
inDragDrop = ddNone;
}
//--------------------------------------------------------------------------------------------------
/**
* Here is where the real work is done. Insert the text from the pasteboard.
*/
bool ScintillaCocoa::PerformDragOperation(id <NSDraggingInfo> info)
{
NSPasteboard* pasteboard = [info draggingPasteboard];
if ([[pasteboard types] containsObject: NSFilenamesPboardType])
{
NSArray* files = [pasteboard propertyListForType: NSFilenamesPboardType];
for (NSString* uri in files)
NotifyURIDropped([uri UTF8String]);
}
else
{
SelectionText text;
GetPasteboardData(pasteboard, &text);
if (text.Length() > 0)
{
NSDragOperation operation = [info draggingSourceOperationMask];
bool moving = (operation & NSDragOperationMove) != 0;
DropAt(posDrag, text.Data(), text.Length(), moving, text.rectangular);
};
}
return true;
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::SetPasteboardData(NSPasteboard* board, const SelectionText &selectedText)
{
if (selectedText.Length() == 0)
return;
CFStringEncoding encoding = EncodingFromCharacterSet(selectedText.codePage == SC_CP_UTF8,
selectedText.characterSet);
CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(selectedText.Data()),
selectedText.Length(), encoding, false);
NSArray *pbTypes = selectedText.rectangular ?
[NSArray arrayWithObjects: NSStringPboardType, ScintillaRecPboardType, nil] :
[NSArray arrayWithObjects: NSStringPboardType, nil];
[board declareTypes:pbTypes owner:nil];
if (selectedText.rectangular)
{
// This is specific to scintilla, allows us to drag rectangular selections around the document.
[board setString: (NSString *)cfsVal forType: ScintillaRecPboardType];
}
[board setString: (NSString *)cfsVal forType: NSStringPboardType];
if (cfsVal)
CFRelease(cfsVal);
}
//--------------------------------------------------------------------------------------------------
/**
* Helper method to retrieve the best fitting alternative from the general pasteboard.
*/
bool ScintillaCocoa::GetPasteboardData(NSPasteboard* board, SelectionText* selectedText)
{
NSArray* supportedTypes = [NSArray arrayWithObjects: ScintillaRecPboardType,
NSStringPboardType,
nil];
NSString *bestType = [board availableTypeFromArray: supportedTypes];
NSString* data = [board stringForType: bestType];
if (data != nil)
{
if (selectedText != nil)
{
CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
vs.styles[STYLE_DEFAULT].characterSet);
CFRange rangeAll = {0, static_cast<CFIndex>([data length])};
CFIndex usedLen = 0;
CFStringGetBytes((CFStringRef)data, rangeAll, encoding, '?',
false, NULL, 0, &usedLen);
std::vector<UInt8> buffer(usedLen);
CFStringGetBytes((CFStringRef)data, rangeAll, encoding, '?',
false, buffer.data(),usedLen, NULL);
bool rectangular = bestType == ScintillaRecPboardType;
std::string dest(reinterpret_cast<const char *>(buffer.data()), usedLen);
selectedText->Copy(dest, pdoc->dbcsCodePage,
vs.styles[STYLE_DEFAULT].characterSet , rectangular, false);
}
return true;
}
return false;
}
//--------------------------------------------------------------------------------------------------
// Returns the target converted to UTF8.
// Return the length in bytes.
int ScintillaCocoa::TargetAsUTF8(char *text)
{
const int targetLength = targetEnd - targetStart;
if (IsUnicodeMode())
{
if (text)
pdoc->GetCharRange(text, targetStart, targetLength);
}
else
{
// Need to convert
const CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
vs.styles[STYLE_DEFAULT].characterSet);
const std::string s = RangeText(targetStart, targetEnd);
CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(s.c_str()),
s.length(), encoding, false);
const std::string tmputf = EncodedBytesString(cfsVal, kCFStringEncodingUTF8);
if (text)
memcpy(text, tmputf.c_str(), tmputf.length());
CFRelease(cfsVal);
return tmputf.length();
}
return targetLength;
}
//--------------------------------------------------------------------------------------------------
// Translates a UTF8 string into the document encoding.
// Return the length of the result in bytes.
int ScintillaCocoa::EncodedFromUTF8(char *utf8, char *encoded) const
{
const int inputLength = (lengthForEncode >= 0) ? lengthForEncode : strlen(utf8);
if (IsUnicodeMode())
{
if (encoded)
memcpy(encoded, utf8, inputLength);
return inputLength;
}
else
{
// Need to convert
const CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
vs.styles[STYLE_DEFAULT].characterSet);
CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(utf8),
inputLength, kCFStringEncodingUTF8, false);
const std::string sEncoded = EncodedBytesString(cfsVal, encoding);
if (encoded)
memcpy(encoded, sEncoded.c_str(), sEncoded.length());
CFRelease(cfsVal);
return sEncoded.length();
}
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::SetMouseCapture(bool on)
{
capturedMouse = on;
}
//--------------------------------------------------------------------------------------------------
bool ScintillaCocoa::HaveMouseCapture()
{
return capturedMouse;
}
//--------------------------------------------------------------------------------------------------
/**
* Synchronously paint a rectangle of the window.
*/
bool ScintillaCocoa::SyncPaint(void* gc, PRectangle rc)
{
paintState = painting;
rcPaint = rc;
PRectangle rcText = GetTextRectangle();
paintingAllText = rcPaint.Contains(rcText);
bool succeeded = true;
Surface *sw = Surface::Allocate(SC_TECHNOLOGY_DEFAULT);
if (sw)
{
CGContextSetAllowsAntialiasing((CGContextRef)gc,
vs.extraFontFlag != SC_EFF_QUALITY_NON_ANTIALIASED);
CGContextSetAllowsFontSmoothing((CGContextRef)gc,
vs.extraFontFlag == SC_EFF_QUALITY_LCD_OPTIMIZED);
CGContextSetAllowsFontSubpixelPositioning((CGContextRef)gc,
vs.extraFontFlag == SC_EFF_QUALITY_DEFAULT ||
vs.extraFontFlag == SC_EFF_QUALITY_LCD_OPTIMIZED);
sw->Init(gc, wMain.GetID());
Paint(sw, rc);
succeeded = paintState != paintAbandoned;
sw->Release();
delete sw;
}
paintState = notPainting;
if (!succeeded)
{
NSView *marginView = static_cast<NSView*>(wMargin.GetID());
[marginView setNeedsDisplay:YES];
}
return succeeded;
}
//--------------------------------------------------------------------------------------------------
/**
* Paint the margin into the SCIMarginView space.
*/
void ScintillaCocoa::PaintMargin(NSRect aRect)
{
CGContextRef gc = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
PRectangle rc = NSRectToPRectangle(aRect);
rcPaint = rc;
Surface *sw = Surface::Allocate(SC_TECHNOLOGY_DEFAULT);
if (sw)
{
CGContextSetAllowsAntialiasing(gc,
vs.extraFontFlag != SC_EFF_QUALITY_NON_ANTIALIASED);
CGContextSetAllowsFontSmoothing(gc,
vs.extraFontFlag == SC_EFF_QUALITY_LCD_OPTIMIZED);
CGContextSetAllowsFontSubpixelPositioning(gc,
vs.extraFontFlag == SC_EFF_QUALITY_DEFAULT ||
vs.extraFontFlag == SC_EFF_QUALITY_LCD_OPTIMIZED);
sw->Init(gc, wMargin.GetID());
PaintSelMargin(sw, rc);
sw->Release();
delete sw;
}
}
//--------------------------------------------------------------------------------------------------
/**
* Prepare for drawing.
*
* @param rect The area that will be drawn, given in the sender's coordinate system.
*/
void ScintillaCocoa::WillDraw(NSRect rect)
{
RefreshStyleData();
PRectangle rcWillDraw = NSRectToPRectangle(rect);
int positionAfterRect = PositionAfterArea(rcWillDraw);
pdoc->EnsureStyledTo(positionAfterRect);
NotifyUpdateUI();
if (WrapLines(wsVisible)) {
// Wrap may have reduced number of lines so more lines may need to be styled
positionAfterRect = PositionAfterArea(rcWillDraw);
pdoc->EnsureStyledTo(positionAfterRect);
// The wrapping process has changed the height of some lines so redraw all.
Redraw();
}
}
//--------------------------------------------------------------------------------------------------
/**
* ScrollText is empty because scrolling is handled by the NSScrollView.
*/
void ScintillaCocoa::ScrollText(int)
{
}
//--------------------------------------------------------------------------------------------------
/**
* Modifies the vertical scroll position to make the current top line show up as such.
*/
void ScintillaCocoa::SetVerticalScrollPos()
{
NSScrollView *scrollView = ScrollContainer();
if (scrollView) {
NSClipView *clipView = [scrollView contentView];
NSRect contentRect = [clipView bounds];
[clipView scrollToPoint: NSMakePoint(contentRect.origin.x, topLine * vs.lineHeight)];
[scrollView reflectScrolledClipView:clipView];
}
}
//--------------------------------------------------------------------------------------------------
/**
* Modifies the horizontal scroll position to match xOffset.
*/
void ScintillaCocoa::SetHorizontalScrollPos()
{
PRectangle textRect = GetTextRectangle();
int maxXOffset = scrollWidth - static_cast<int>(textRect.Width());
if (maxXOffset < 0)
maxXOffset = 0;
if (xOffset > maxXOffset)
xOffset = maxXOffset;
NSScrollView *scrollView = ScrollContainer();
if (scrollView) {
NSClipView * clipView = [scrollView contentView];
NSRect contentRect = [clipView bounds];
[clipView scrollToPoint: NSMakePoint(xOffset, contentRect.origin.y)];
[scrollView reflectScrolledClipView:clipView];
}
MoveFindIndicatorWithBounce(NO);
}
//--------------------------------------------------------------------------------------------------
/**
* Used to adjust both scrollers to reflect the current scroll range and position in the editor.
* Arguments no longer used as NSScrollView handles details of scroll bar sizes.
*
* @param nMax Number of lines in the editor.
* @param nPage Number of lines per scroll page.
* @return True if there was a change, otherwise false.
*/
bool ScintillaCocoa::ModifyScrollBars(int nMax, int nPage)
{
#pragma unused(nMax, nPage)
return SetScrollingSize();
}
bool ScintillaCocoa::SetScrollingSize(void) {
bool changes = false;
SCIContentView *inner = ContentView();
if (!enteredSetScrollingSize) {
enteredSetScrollingSize = true;
NSScrollView *scrollView = ScrollContainer();
NSClipView *clipView = [ScrollContainer() contentView];
NSRect clipRect = [clipView bounds];
CGFloat docHeight = cs.LinesDisplayed() * vs.lineHeight;
if (!endAtLastLine)
docHeight += (int([scrollView bounds].size.height / vs.lineHeight)-3) * vs.lineHeight;
// Allow extra space so that last scroll position places whole line at top
int clipExtra = int(clipRect.size.height) % vs.lineHeight;
docHeight += clipExtra;
// Ensure all of clipRect covered by Scintilla drawing
if (docHeight < clipRect.size.height)
docHeight = clipRect.size.height;
CGFloat docWidth = scrollWidth;
bool showHorizontalScroll = horizontalScrollBarVisible &&
!Wrapping();
if (!showHorizontalScroll)
docWidth = clipRect.size.width;
NSRect contentRect = {{0, 0}, {docWidth, docHeight}};
NSRect contentRectNow = [inner frame];
changes = (contentRect.size.width != contentRectNow.size.width) ||
(contentRect.size.height != contentRectNow.size.height);
if (changes) {
[inner setFrame: contentRect];
}
[scrollView setHasVerticalScroller: verticalScrollBarVisible];
[scrollView setHasHorizontalScroller: showHorizontalScroll];
SetVerticalScrollPos();
enteredSetScrollingSize = false;
}
[inner.owner setMarginWidth: vs.fixedColumnWidth];
return changes;
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::Resize()
{
SetScrollingSize();
ChangeSize();
}
//--------------------------------------------------------------------------------------------------
/**
* Update fields to match scroll position after receiving a notification that the user has scrolled.
*/
void ScintillaCocoa::UpdateForScroll() {
Point ptOrigin = GetVisibleOriginInMain();
xOffset = static_cast<int>(ptOrigin.x);
int newTop = Platform::Minimum(static_cast<int>(ptOrigin.y / vs.lineHeight), MaxScrollPos());
SetTopLine(newTop);
}
//--------------------------------------------------------------------------------------------------
/**
* Register a delegate that will be called for notifications and commands.
* This provides similar functionality to RegisterNotifyCallback but in an
* Objective C way.
*
* @param delegate_ A pointer to an object that implements ScintillaNotificationProtocol.
*/
void ScintillaCocoa::SetDelegate(id<ScintillaNotificationProtocol> delegate_)
{
delegate = delegate_;
}
//--------------------------------------------------------------------------------------------------
/**
* Used to register a callback function for a given window. This is used to emulate the way
* Windows notifies other controls (mainly up in the view hierarchy) about certain events.
*
* @param windowid A handle to a window. That value is generic and can be anything. It is passed
* through to the callback.
* @param callback The callback function to be used for future notifications. If NULL then no
* notifications will be sent anymore.
*/
void ScintillaCocoa::RegisterNotifyCallback(intptr_t windowid, SciNotifyFunc callback)
{
notifyObj = windowid;
notifyProc = callback;
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::NotifyChange()
{
if (notifyProc != NULL)
notifyProc(notifyObj, WM_COMMAND, Platform::LongFromTwoShorts(static_cast<short>(GetCtrlID()), SCEN_CHANGE),
(uintptr_t) this);
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::NotifyFocus(bool focus)
{
if (notifyProc != NULL)
notifyProc(notifyObj, WM_COMMAND, Platform::LongFromTwoShorts(static_cast<short>(GetCtrlID()),
(focus ? SCEN_SETFOCUS : SCEN_KILLFOCUS)),
(uintptr_t) this);
Editor::NotifyFocus(focus);
}
//--------------------------------------------------------------------------------------------------
/**
* Used to send a notification (as WM_NOTIFY call) to the procedure, which has been set by the call
* to RegisterNotifyCallback (so it is not necessarily the parent window).
*
* @param scn The notification to send.
*/
void ScintillaCocoa::NotifyParent(SCNotification scn)
{
scn.nmhdr.hwndFrom = (void*) this;
scn.nmhdr.idFrom = GetCtrlID();
if (notifyProc != NULL)
notifyProc(notifyObj, WM_NOTIFY, GetCtrlID(), (uintptr_t) &scn);
if (delegate)
[delegate notification:&scn];
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::NotifyURIDropped(const char *uri)
{
SCNotification scn;
scn.nmhdr.code = SCN_URIDROPPED;
scn.text = uri;
NotifyParent(scn);
}
//--------------------------------------------------------------------------------------------------
bool ScintillaCocoa::HasSelection()
{
return !sel.Empty();
}
//--------------------------------------------------------------------------------------------------
bool ScintillaCocoa::CanUndo()
{
return pdoc->CanUndo();
}
//--------------------------------------------------------------------------------------------------
bool ScintillaCocoa::CanRedo()
{
return pdoc->CanRedo();
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::TimerFired(NSTimer* timer)
{
for (TickReason tr=tickCaret; tr<=tickPlatform; tr = static_cast<TickReason>(tr+1))
{
if (timers[tr] == timer)
{
TickFor(tr);
}
}
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::IdleTimerFired()
{
bool more = Idle();
if (!more)
SetIdle(false);
}
//--------------------------------------------------------------------------------------------------
/**
* Main entry point for drawing the control.
*
* @param rect The area to paint, given in the sender's coordinate system.
* @param gc The context we can use to paint.
*/
bool ScintillaCocoa::Draw(NSRect rect, CGContextRef gc)
{
return SyncPaint(gc, NSRectToPRectangle(rect));
}
//--------------------------------------------------------------------------------------------------
/**
* Helper function to translate OS X key codes to Scintilla key codes.
*/
static inline UniChar KeyTranslate(UniChar unicodeChar)
{
switch (unicodeChar)
{
case NSDownArrowFunctionKey:
return SCK_DOWN;
case NSUpArrowFunctionKey:
return SCK_UP;
case NSLeftArrowFunctionKey:
return SCK_LEFT;
case NSRightArrowFunctionKey:
return SCK_RIGHT;
case NSHomeFunctionKey:
return SCK_HOME;
case NSEndFunctionKey:
return SCK_END;
case NSPageUpFunctionKey:
return SCK_PRIOR;
case NSPageDownFunctionKey:
return SCK_NEXT;
case NSDeleteFunctionKey:
return SCK_DELETE;
case NSInsertFunctionKey:
return SCK_INSERT;
case '\n':
case 3:
return SCK_RETURN;
case 27:
return SCK_ESCAPE;
case 127:
return SCK_BACK;
case '\t':
case 25: // Shift tab, return to unmodified tab and handle that via modifiers.
return SCK_TAB;
default:
return unicodeChar;
}
}
//--------------------------------------------------------------------------------------------------
/**
* Translate NSEvent modifier flags into SCI_* modifier flags.
*
* @param modifiers An integer bit set of NSSEvent modifier flags.
* @return A set of SCI_* modifier flags.
*/
static int TranslateModifierFlags(NSUInteger modifiers)
{
// Signal Control as SCI_META
return
(((modifiers & NSShiftKeyMask) != 0) ? SCI_SHIFT : 0) |
(((modifiers & NSCommandKeyMask) != 0) ? SCI_CTRL : 0) |
(((modifiers & NSAlternateKeyMask) != 0) ? SCI_ALT : 0) |
(((modifiers & NSControlKeyMask) != 0) ? SCI_META : 0);
}
//--------------------------------------------------------------------------------------------------
/**
* Main keyboard input handling method. It is called for any key down event, including function keys,
* numeric keypad input and whatnot.
*
* @param event The event instance associated with the key down event.
* @return True if the input was handled, false otherwise.
*/
bool ScintillaCocoa::KeyboardInput(NSEvent* event)
{
// For now filter out function keys.
NSString* input = [event characters];
bool handled = false;
// Handle each entry individually. Usually we only have one entry anyway.
for (size_t i = 0; i < input.length; i++)
{
const UniChar originalKey = [input characterAtIndex: i];
UniChar key = KeyTranslate(originalKey);
bool consumed = false; // Consumed as command?
if (KeyDownWithModifiers(key, TranslateModifierFlags([event modifierFlags]), &consumed))
handled = true;
if (consumed)
handled = true;
}
return handled;
}
//--------------------------------------------------------------------------------------------------
/**
* Used to insert already processed text provided by the Cocoa text input system.
*/
int ScintillaCocoa::InsertText(NSString* input)
{
CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
vs.styles[STYLE_DEFAULT].characterSet);
std::string encoded = EncodedBytesString((CFStringRef)input, encoding);
if (encoded.length() > 0)
{
AddCharUTF((char*) encoded.c_str(), static_cast<unsigned int>(encoded.length()), false);
}
return static_cast<int>(encoded.length());
}
//--------------------------------------------------------------------------------------------------
/**
* Convert from a range of characters to a range of bytes.
*/
NSRange ScintillaCocoa::PositionsFromCharacters(NSRange range) const
{
long start = pdoc->GetRelativePositionUTF16(0, range.location);
if (start == INVALID_POSITION)
start = pdoc->Length();
long end = pdoc->GetRelativePositionUTF16(start, range.length);
if (end == INVALID_POSITION)
end = pdoc->Length();
return NSMakeRange(start, end - start);
}
//--------------------------------------------------------------------------------------------------
/**
* Convert from a range of characters from a range of bytes.
*/
NSRange ScintillaCocoa::CharactersFromPositions(NSRange range) const
{
const long start = pdoc->CountUTF16(0, range.location);
const long len = pdoc->CountUTF16(range.location, NSMaxRange(range));
return NSMakeRange(start, len);
}
//--------------------------------------------------------------------------------------------------
/**
* Used to ensure that only one selection is active for input composition as composition
* does not support multi-typing.
*/
void ScintillaCocoa::SelectOnlyMainSelection()
{
sel.SetSelection(sel.RangeMain());
Redraw();
}
//--------------------------------------------------------------------------------------------------
/**
* Convert virtual space before selection into real space.
*/
void ScintillaCocoa::ConvertSelectionVirtualSpace()
{
FillVirtualSpace();
}
//--------------------------------------------------------------------------------------------------
/**
* Erase all selected text and return whether the selection is now empty.
* The selection may not be empty if the selection contained protected text.
*/
bool ScintillaCocoa::ClearAllSelections()
{
ClearSelection(true);
return sel.Empty();
}
//--------------------------------------------------------------------------------------------------
/**
* Start composing for IME.
*/
void ScintillaCocoa::CompositionStart()
{
if (!sel.Empty())
{
NSLog(@"Selection not empty when starting composition");
}
pdoc->TentativeStart();
}
//--------------------------------------------------------------------------------------------------
/**
* Commit the IME text.
*/
void ScintillaCocoa::CompositionCommit()
{
pdoc->TentativeCommit();
pdoc->decorations.SetCurrentIndicator(INDIC_IME);
pdoc->DecorationFillRange(0, 0, pdoc->Length());
}
//--------------------------------------------------------------------------------------------------
/**
* Remove the IME text.
*/
void ScintillaCocoa::CompositionUndo()
{
pdoc->TentativeUndo();
}
//--------------------------------------------------------------------------------------------------
/**
* When switching documents discard any incomplete character composition state as otherwise tries to
* act on the new document.
*/
void ScintillaCocoa::SetDocPointer(Document *document)
{
// Drop input composition.
NSTextInputContext *inctxt = [NSTextInputContext currentInputContext];
[inctxt discardMarkedText];
SCIContentView *inner = ContentView();
[inner unmarkText];
Editor::SetDocPointer(document);
}
//--------------------------------------------------------------------------------------------------
/**
* Called by the owning view when the mouse pointer enters the control.
*/
void ScintillaCocoa::MouseEntered(NSEvent* event)
{
if (!HaveMouseCapture())
{
WndProc(SCI_SETCURSOR, (long int)SC_CURSORNORMAL, 0);
// Mouse location is given in screen coordinates and might also be outside of our bounds.
Point location = ConvertPoint([event locationInWindow]);
ButtonMove(location);
}
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::MouseExited(NSEvent* /* event */)
{
// Nothing to do here.
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::MouseDown(NSEvent* event)
{
Point location = ConvertPoint([event locationInWindow]);
NSTimeInterval time = [event timestamp];
bool command = ([event modifierFlags] & NSCommandKeyMask) != 0;
bool shift = ([event modifierFlags] & NSShiftKeyMask) != 0;
bool alt = ([event modifierFlags] & NSAlternateKeyMask) != 0;
ButtonDown(Point(location.x, location.y), (int) (time * 1000), shift, command, alt);
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::MouseMove(NSEvent* event)
{
lastMouseEvent = event;
ButtonMoveWithModifiers(ConvertPoint([event locationInWindow]), TranslateModifierFlags([event modifierFlags]));
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::MouseUp(NSEvent* event)
{
NSTimeInterval time = [event timestamp];
bool control = ([event modifierFlags] & NSControlKeyMask) != 0;
ButtonUp(ConvertPoint([event locationInWindow]), (int) (time * 1000), control);
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::MouseWheel(NSEvent* event)
{
bool command = ([event modifierFlags] & NSCommandKeyMask) != 0;
int dY = 0;
// In order to make scrolling with larger offset smoother we scroll less lines the larger the
// delta value is.
if ([event deltaY] < 0)
dY = -(int) sqrt(-10.0 * [event deltaY]);
else
dY = (int) sqrt(10.0 * [event deltaY]);
if (command)
{
// Zoom! We play with the font sizes in the styles.
// Number of steps/line is ignored, we just care if sizing up or down.
if (dY > 0.5)
KeyCommand(SCI_ZOOMIN);
else if (dY < -0.5)
KeyCommand(SCI_ZOOMOUT);
}
else
{
}
}
//--------------------------------------------------------------------------------------------------
// Helper methods for NSResponder actions.
void ScintillaCocoa::SelectAll()
{
Editor::SelectAll();
}
void ScintillaCocoa::DeleteBackward()
{
KeyDown(SCK_BACK, false, false, false, nil);
}
void ScintillaCocoa::Cut()
{
Editor::Cut();
}
void ScintillaCocoa::Undo()
{
Editor::Undo();
}
void ScintillaCocoa::Redo()
{
Editor::Redo();
}
//--------------------------------------------------------------------------------------------------
/**
* Creates and returns a popup menu, which is then displayed by the Cocoa framework.
*/
NSMenu* ScintillaCocoa::CreateContextMenu(NSEvent* /* event */)
{
// Call ScintillaBase to create the context menu.
ContextMenu(Point(0, 0));
return reinterpret_cast<NSMenu*>(popup.GetID());
}
//--------------------------------------------------------------------------------------------------
/**
* An intermediate function to forward context menu commands from the menu action handler to
* scintilla.
*/
void ScintillaCocoa::HandleCommand(NSInteger command)
{
Command(static_cast<int>(command));
}
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::ActiveStateChanged(bool isActive)
{
// If the window is being deactivated, lose the focus and turn off the ticking
if (!isActive) {
DropCaret();
//SetFocusState( false );
FineTickerCancel(tickCaret);
} else {
ShowCaretAtCurrentPosition();
}
}
// If building with old SDK, need to define version number for 10.8
#ifndef NSAppKitVersionNumber10_8
#define NSAppKitVersionNumber10_8 1187
#endif
//--------------------------------------------------------------------------------------------------
void ScintillaCocoa::ShowFindIndicatorForRange(NSRange charRange, BOOL retaining)
{
#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
NSView *content = ContentView();
if (!layerFindIndicator)
{
layerFindIndicator = [[FindHighlightLayer alloc] init];
[content setWantsLayer: YES];
layerFindIndicator.geometryFlipped = content.layer.geometryFlipped;
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_8)
{
// Content layer is unflipped on 10.9, but the indicator shows wrong unless flipped
layerFindIndicator.geometryFlipped = YES;
}
[[content layer] addSublayer:layerFindIndicator];
}
[layerFindIndicator removeAnimationForKey:@"animateFound"];
if (charRange.length)
{
CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
vs.styles[STYLE_DEFAULT].characterSet);
std::vector<char> buffer(charRange.length);
pdoc->GetCharRange(&buffer[0], static_cast<int>(charRange.location), static_cast<int>(charRange.length));
CFStringRef cfsFind = CFStringCreateWithBytes(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(&buffer[0]),
charRange.length, encoding, false);
layerFindIndicator.sFind = (NSString *)cfsFind;
if (cfsFind)
CFRelease(cfsFind);
layerFindIndicator.retaining = retaining;
layerFindIndicator.positionFind = static_cast<int>(charRange.location);
long style = WndProc(SCI_GETSTYLEAT, charRange.location, 0);
std::vector<char> bufferFontName(WndProc(SCI_STYLEGETFONT, style, 0) + 1);
WndProc(SCI_STYLEGETFONT, style, (sptr_t)&bufferFontName[0]);
layerFindIndicator.sFont = [NSString stringWithUTF8String: &bufferFontName[0]];
layerFindIndicator.fontSize = WndProc(SCI_STYLEGETSIZEFRACTIONAL, style, 0) /
(float)SC_FONT_SIZE_MULTIPLIER;
layerFindIndicator.widthText = WndProc(SCI_POINTXFROMPOSITION, 0, charRange.location + charRange.length) -
WndProc(SCI_POINTXFROMPOSITION, 0, charRange.location);
layerFindIndicator.heightLine = WndProc(SCI_TEXTHEIGHT, 0, 0);
MoveFindIndicatorWithBounce(YES);
}
else
{
[layerFindIndicator hideMatch];
}
#endif
}
void ScintillaCocoa::MoveFindIndicatorWithBounce(BOOL bounce)
{
#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
if (layerFindIndicator)
{
CGPoint ptText = CGPointMake(
WndProc(SCI_POINTXFROMPOSITION, 0, layerFindIndicator.positionFind),
WndProc(SCI_POINTYFROMPOSITION, 0, layerFindIndicator.positionFind));
ptText.x = ptText.x - vs.fixedColumnWidth + xOffset;
ptText.y += topLine * vs.lineHeight;
if (!layerFindIndicator.geometryFlipped)
{
NSView *content = ContentView();
ptText.y = content.bounds.size.height - ptText.y;
}
[layerFindIndicator animateMatch:ptText bounce:bounce];
}
#endif
}
void ScintillaCocoa::HideFindIndicator()
{
#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
if (layerFindIndicator)
{
[layerFindIndicator hideMatch];
}
#endif
}
Reference in a new issue Copy permalink