2381 lines
73 KiB
Plaintext
2381 lines
73 KiB
Plaintext
/**
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* Scintilla source code edit control
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* @file PlatCocoa.mm - implementation of platform facilities on macOS/Cocoa
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*
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* Written by Mike Lischke
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* Based on PlatMacOSX.cxx
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* Based on work by Evan Jones (c) 2002 <ejones@uwaterloo.ca>
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* Based on PlatGTK.cxx Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
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* The License.txt file describes the conditions under which this software may be distributed.
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*
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
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*/
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#include <cstddef>
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#include <cstdlib>
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#include <cassert>
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#include <cstring>
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#include <cstdio>
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#include <cmath>
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#include <stdexcept>
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#include <string_view>
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#include <vector>
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#include <map>
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#include <optional>
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#include <functional>
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#include <memory>
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#include <numeric>
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#import <Foundation/NSGeometry.h>
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#import "ScintillaTypes.h"
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#import "ScintillaMessages.h"
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#import "ScintillaStructures.h"
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#import "Debugging.h"
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#import "Geometry.h"
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#import "Platform.h"
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#include "XPM.h"
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#include "UniConversion.h"
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#import "ScintillaView.h"
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#import "ScintillaCocoa.h"
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#import "PlatCocoa.h"
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using namespace Scintilla;
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using namespace Scintilla::Internal;
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extern sptr_t scintilla_send_message(void *sci, unsigned int iMessage, uptr_t wParam, sptr_t lParam);
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//--------------------------------------------------------------------------------------------------
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/**
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* Converts a Point as used by Scintilla to a Quartz-style CGPoint.
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*/
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inline CGPoint CGPointFromPoint(Scintilla::Internal::Point pt) {
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return CGPointMake(pt.x, pt.y);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Converts a PRectangle as used by Scintilla to standard Obj-C NSRect structure .
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*/
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NSRect PRectangleToNSRect(const PRectangle &rc) {
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return NSMakeRect(rc.left, rc.top, rc.Width(), rc.Height());
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Converts an NSRect as used by the system to a native Scintilla rectangle.
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*/
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PRectangle NSRectToPRectangle(const NSRect &rc) {
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return PRectangle(rc.origin.x, rc.origin.y, NSMaxX(rc), NSMaxY(rc));
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Converts a PRectangle as used by Scintilla to a Quartz-style rectangle.
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*/
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inline CGRect PRectangleToCGRect(PRectangle &rc) {
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return CGRectMake(rc.left, rc.top, rc.Width(), rc.Height());
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Converts a PRectangle as used by Scintilla to a Quartz-style rectangle.
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* Result is inset by strokeWidth / 2 so stroking does not go outside the rectangle.
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*/
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inline CGRect CGRectFromPRectangleInset(PRectangle rc, XYPOSITION strokeWidth) {
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const XYPOSITION halfStroke = strokeWidth / 2.0f;
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const CGRect rect = PRectangleToCGRect(rc);
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return CGRectInset(rect, halfStroke, halfStroke);
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}
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//----------------- FontQuartz ---------------------------------------------------------------------
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class FontQuartz : public Font {
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public:
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std::unique_ptr<QuartzTextStyle> style;
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FontQuartz(const FontParameters &fp) {
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style = std::make_unique<QuartzTextStyle>();
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// Create the font with attributes
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QuartzFont font(fp.faceName, strlen(fp.faceName), fp.size, fp.weight, fp.stretch, fp.italic);
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CTFontRef fontRef = font.getFontID();
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style->setFontRef(fontRef, fp.characterSet);
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}
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FontQuartz(const QuartzTextStyle *style_) {
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style = std::make_unique<QuartzTextStyle>(style_);
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}
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};
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//--------------------------------------------------------------------------------------------------
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static QuartzTextStyle *TextStyleFromFont(const Font *f) noexcept {
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if (f) {
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const FontQuartz *pfq = dynamic_cast<const FontQuartz *>(f);
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if (pfq) {
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return pfq->style.get();
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}
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}
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return nullptr;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Creates a CTFontRef with the given properties.
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*/
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std::shared_ptr<Font> Font::Allocate(const FontParameters &fp) {
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return std::make_shared<FontQuartz>(fp);
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}
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//--------------------------------------------------------------------------------------------------
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// Bidirectional text support for Arabic and Hebrew.
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namespace {
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CFIndex IndexFromPosition(std::string_view text, size_t position) {
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const std::string_view textUptoPosition = text.substr(0, position);
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return UTF16Length(textUptoPosition);
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}
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// Handling representations and tabs
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struct Blob {
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XYPOSITION width;
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Blob(XYPOSITION width_) : width(width_) {
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}
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};
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static void BlobDealloc(void *refCon) {
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Blob *blob = static_cast<Blob *>(refCon);
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delete blob;
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}
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static CGFloat BlobGetWidth(void *refCon) {
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Blob *blob = static_cast<Blob *>(refCon);
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return blob->width;
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}
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class ScreenLineLayout : public IScreenLineLayout {
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CTLineRef line = NULL;
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const std::string text;
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public:
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ScreenLineLayout(const IScreenLine *screenLine);
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~ScreenLineLayout();
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// IScreenLineLayout implementation
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size_t PositionFromX(XYPOSITION xDistance, bool charPosition) override;
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XYPOSITION XFromPosition(size_t caretPosition) override;
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std::vector<Interval> FindRangeIntervals(size_t start, size_t end) override;
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};
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ScreenLineLayout::ScreenLineLayout(const IScreenLine *screenLine) : text(screenLine->Text()) {
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const UInt8 *puiBuffer = reinterpret_cast<const UInt8 *>(text.data());
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std::string_view sv = text;
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// Start with an empty mutable attributed string and add each character to it.
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CFMutableAttributedStringRef mas = CFAttributedStringCreateMutable(NULL, 0);
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for (size_t bp=0; bp<text.length();) {
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const unsigned char uch = text[bp];
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const int utf8Status = UTF8Classify(sv);
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const unsigned int byteCount = utf8Status & UTF8MaskWidth;
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XYPOSITION repWidth = screenLine->RepresentationWidth(bp);
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if (uch == '\t') {
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// Find the size up to the tab
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NSMutableAttributedString *nas = (__bridge NSMutableAttributedString *)mas;
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const NSSize sizeUpTo = [nas size];
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const XYPOSITION nextTab = screenLine->TabPositionAfter(sizeUpTo.width);
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repWidth = nextTab - sizeUpTo.width;
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}
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CFAttributedStringRef as = NULL;
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if (repWidth > 0.0f) {
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CTRunDelegateCallbacks callbacks = {
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.version = kCTRunDelegateVersion1,
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.dealloc = BlobDealloc,
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.getWidth = BlobGetWidth
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};
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CTRunDelegateRef runDelegate = CTRunDelegateCreate(&callbacks, new Blob(repWidth));
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NSMutableAttributedString *masBlob = [[NSMutableAttributedString alloc] initWithString:@"X"];
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NSRange rangeX = NSMakeRange(0, 1);
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[masBlob addAttribute: (NSString *)kCTRunDelegateAttributeName value: (__bridge id)runDelegate range:rangeX];
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CFRelease(runDelegate);
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as = (CFAttributedStringRef)CFBridgingRetain(masBlob);
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} else {
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CFStringRef piece = CFStringCreateWithBytes(NULL,
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&puiBuffer[bp],
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byteCount,
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kCFStringEncodingUTF8,
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false);
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const QuartzTextStyle *qts = TextStyleFromFont(screenLine->FontOfPosition(bp));
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CFMutableDictionaryRef pieceAttributes = qts->getCTStyle();
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as = CFAttributedStringCreate(NULL, piece, pieceAttributes);
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CFRelease(piece);
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}
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CFAttributedStringReplaceAttributedString(mas,
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CFRangeMake(CFAttributedStringGetLength(mas), 0),
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as);
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bp += byteCount;
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sv.remove_prefix(byteCount);
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CFRelease(as);
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}
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line = CTLineCreateWithAttributedString(mas);
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CFRelease(mas);
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}
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ScreenLineLayout::~ScreenLineLayout() {
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CFRelease(line);
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}
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size_t ScreenLineLayout::PositionFromX(XYPOSITION xDistance, bool charPosition) {
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if (!line) {
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return 0;
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}
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const CGPoint ptDistance = CGPointMake(xDistance, 0);
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const CFIndex offset = CTLineGetStringIndexForPosition(line, ptDistance);
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if (offset == kCFNotFound) {
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return 0;
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}
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// Convert back to UTF-8 positions
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return UTF8PositionFromUTF16Position(text, offset);
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}
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XYPOSITION ScreenLineLayout::XFromPosition(size_t caretPosition) {
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if (!line) {
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return 0.0;
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}
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// Convert from UTF-8 position
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const CFIndex caretIndex = IndexFromPosition(text, caretPosition);
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const CGFloat distance = CTLineGetOffsetForStringIndex(line, caretIndex, nullptr);
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return distance;
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}
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void AddToIntervalVector(std::vector<Interval> &vi, XYPOSITION left, XYPOSITION right) {
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const Interval interval = {left, right};
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if (vi.empty()) {
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vi.push_back(interval);
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} else {
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Interval &last = vi.back();
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if (std::abs(last.right-interval.left) < 0.01) {
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// If new left is very close to previous right then extend last item
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last.right = interval.right;
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} else {
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vi.push_back(interval);
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}
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}
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}
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std::vector<Interval> ScreenLineLayout::FindRangeIntervals(size_t start, size_t end) {
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if (!line) {
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return {};
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}
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std::vector<Interval> ret;
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// Convert from UTF-8 position
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const CFIndex startIndex = IndexFromPosition(text, start);
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const CFIndex endIndex = IndexFromPosition(text, end);
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CFArrayRef runs = CTLineGetGlyphRuns(line);
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const CFIndex runCount = CFArrayGetCount(runs);
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for (CFIndex run=0; run<runCount; run++) {
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CTRunRef aRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runs, run));
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const CFIndex glyphCount = CTRunGetGlyphCount(aRun);
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const CFRange rangeAll = CFRangeMake(0, glyphCount);
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std::vector<CFIndex> indices(glyphCount);
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CTRunGetStringIndices(aRun, rangeAll, indices.data());
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std::vector<CGPoint> positions(glyphCount);
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CTRunGetPositions(aRun, rangeAll, positions.data());
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std::vector<CGSize> advances(glyphCount);
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CTRunGetAdvances(aRun, rangeAll, advances.data());
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for (CFIndex glyph=0; glyph<glyphCount; glyph++) {
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const CFIndex glyphIndex = indices[glyph];
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const XYPOSITION xPosition = positions[glyph].x;
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const XYPOSITION width = advances[glyph].width;
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if ((glyphIndex >= startIndex) && (glyphIndex < endIndex)) {
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AddToIntervalVector(ret, xPosition, xPosition + width);
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}
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}
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}
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return ret;
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}
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// Helper for SurfaceImpl::MeasureWidths that examines the glyph runs in a layout
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void GetPositions(CTLineRef line, std::vector<CGFloat> &positions) {
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// Find the advances of the text
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std::vector<CGFloat> lineAdvances(positions.size());
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CFArrayRef runs = CTLineGetGlyphRuns(line);
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const CFIndex runCount = CFArrayGetCount(runs);
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for (CFIndex run=0; run<runCount; run++) {
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CTRunRef aRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runs, run));
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const CFIndex glyphCount = CTRunGetGlyphCount(aRun);
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const CFRange rangeAll = CFRangeMake(0, glyphCount);
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std::vector<CFIndex> indices(glyphCount);
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CTRunGetStringIndices(aRun, rangeAll, indices.data());
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std::vector<CGSize> advances(glyphCount);
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CTRunGetAdvances(aRun, rangeAll, advances.data());
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for (CFIndex glyph=0; glyph<glyphCount; glyph++) {
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const CFIndex glyphIndex = indices[glyph];
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if (glyphIndex >= positions.size()) {
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return;
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}
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lineAdvances[glyphIndex] = advances[glyph].width;
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}
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}
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// Accumulate advances into positions
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std::partial_sum(lineAdvances.begin(), lineAdvances.end(),
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positions.begin(), std::plus<CGFloat>());
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}
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const Supports SupportsCocoa[] = {
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Supports::LineDrawsFinal,
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Supports::PixelDivisions,
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Supports::FractionalStrokeWidth,
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Supports::TranslucentStroke,
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Supports::PixelModification,
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Supports::ThreadSafeMeasureWidths,
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};
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}
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//----------------- SurfaceImpl --------------------------------------------------------------------
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SurfaceImpl::SurfaceImpl() {
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gc = NULL;
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bitmapData.reset(); // Release will try and delete bitmapData if != nullptr
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bitmapWidth = 0;
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bitmapHeight = 0;
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Release();
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}
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SurfaceImpl::SurfaceImpl(const SurfaceImpl *surface, int width, int height) {
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// Create a new bitmap context, along with the RAM for the bitmap itself
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bitmapWidth = width;
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bitmapHeight = height;
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const int bitmapBytesPerRow = (width * BYTES_PER_PIXEL);
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const int bitmapByteCount = (bitmapBytesPerRow * height);
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// Create an RGB color space.
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CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
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if (colorSpace == NULL)
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return;
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// Create the bitmap.
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bitmapData.reset(new uint8_t[bitmapByteCount]);
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// create the context
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gc = CGBitmapContextCreate(bitmapData.get(),
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width,
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height,
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BITS_PER_COMPONENT,
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bitmapBytesPerRow,
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colorSpace,
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kCGImageAlphaPremultipliedLast);
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if (gc == NULL) {
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// the context couldn't be created for some reason,
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// and we have no use for the bitmap without the context
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bitmapData.reset();
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}
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// the context retains the color space, so we can release it
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CGColorSpaceRelease(colorSpace);
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if (gc && bitmapData) {
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// "Erase" to white.
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CGContextClearRect(gc, CGRectMake(0, 0, width, height));
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CGContextSetRGBFillColor(gc, 1.0, 1.0, 1.0, 1.0);
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CGContextFillRect(gc, CGRectMake(0, 0, width, height));
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}
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mode = surface->mode;
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}
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//--------------------------------------------------------------------------------------------------
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SurfaceImpl::~SurfaceImpl() {
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Clear();
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}
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//--------------------------------------------------------------------------------------------------
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bool SurfaceImpl::UnicodeMode() const noexcept {
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return mode.codePage == SC_CP_UTF8;
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::Clear() {
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if (bitmapData) {
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bitmapData.reset();
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// We only "own" the graphics context if we are a bitmap context
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if (gc)
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CGContextRelease(gc);
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}
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gc = NULL;
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bitmapWidth = 0;
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bitmapHeight = 0;
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::Release() noexcept {
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Clear();
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}
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//--------------------------------------------------------------------------------------------------
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bool SurfaceImpl::Initialised() {
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// We are initalised if the graphics context is not null
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return gc != NULL;// || port != NULL;
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::Init(WindowID) {
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// To be able to draw, the surface must get a CGContext handle. We save the graphics port,
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// then acquire/release the context on an as-need basis (see above).
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// XXX Docs on QDBeginCGContext are light, a better way to do this would be good.
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// AFAIK we should not hold onto a context retrieved this way, thus the need for
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// acquire/release of the context.
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Release();
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::Init(SurfaceID sid, WindowID) {
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Release();
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gc = static_cast<CGContextRef>(sid);
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CGContextSetLineWidth(gc, 1.0);
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}
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std::unique_ptr<Surface> SurfaceImpl::AllocatePixMap(int width, int height) {
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return std::make_unique<SurfaceImpl>(this, width, height);
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}
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std::unique_ptr<SurfaceImpl> SurfaceImpl::AllocatePixMapImplementation(int width, int height) {
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return std::make_unique<SurfaceImpl>(this, width, height);
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::SetMode(SurfaceMode mode_) {
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mode = mode_;
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}
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//--------------------------------------------------------------------------------------------------
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int SurfaceImpl::SupportsFeature(Supports feature) noexcept {
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for (const Supports f : SupportsCocoa) {
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if (f == feature)
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return 1;
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}
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return 0;
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::FillColour(ColourRGBA fill) {
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// Set the Fill color to match
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CGContextSetRGBFillColor(gc,
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fill.GetRedComponent(),
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fill.GetGreenComponent(),
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fill.GetBlueComponent(),
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fill.GetAlphaComponent());
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::PenColourAlpha(ColourRGBA fore) {
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// Set the Stroke color to match
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CGContextSetRGBStrokeColor(gc,
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fore.GetRedComponent(),
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fore.GetGreenComponent(),
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fore.GetBlueComponent(),
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fore.GetAlphaComponent());
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}
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//--------------------------------------------------------------------------------------------------
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void SurfaceImpl::SetFillStroke(FillStroke fillStroke) {
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FillColour(fillStroke.fill.colour);
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PenColourAlpha(fillStroke.stroke.colour);
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CGContextSetLineWidth(gc, fillStroke.stroke.width);
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}
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//--------------------------------------------------------------------------------------------------
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CGImageRef SurfaceImpl::CreateImage() {
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// For now, assume that CreateImage can only be called on PixMap surfaces.
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if (!bitmapData)
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return NULL;
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CGContextFlush(gc);
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// Create an RGB color space.
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CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
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if (colorSpace == NULL)
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return NULL;
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|
|
const int bitmapBytesPerRow = bitmapWidth * BYTES_PER_PIXEL;
|
|
const int bitmapByteCount = bitmapBytesPerRow * bitmapHeight;
|
|
|
|
// Make a copy of the bitmap data for the image creation and divorce it
|
|
// From the SurfaceImpl lifetime
|
|
CFDataRef dataRef = CFDataCreate(kCFAllocatorDefault, bitmapData.get(), bitmapByteCount);
|
|
|
|
// Create a data provider.
|
|
CGDataProviderRef dataProvider = CGDataProviderCreateWithCFData(dataRef);
|
|
|
|
CGImageRef image = NULL;
|
|
if (dataProvider != NULL) {
|
|
// Create the CGImage.
|
|
image = CGImageCreate(bitmapWidth,
|
|
bitmapHeight,
|
|
BITS_PER_COMPONENT,
|
|
BITS_PER_PIXEL,
|
|
bitmapBytesPerRow,
|
|
colorSpace,
|
|
kCGImageAlphaPremultipliedLast,
|
|
dataProvider,
|
|
NULL,
|
|
0,
|
|
kCGRenderingIntentDefault);
|
|
}
|
|
|
|
// The image retains the color space, so we can release it.
|
|
CGColorSpaceRelease(colorSpace);
|
|
colorSpace = NULL;
|
|
|
|
// Done with the data provider.
|
|
CGDataProviderRelease(dataProvider);
|
|
dataProvider = NULL;
|
|
|
|
// Done with the data provider.
|
|
CFRelease(dataRef);
|
|
|
|
return image;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Returns the vertical logical device resolution of the main monitor.
|
|
* This is no longer called.
|
|
* For Cocoa, all screens are treated as 72 DPI, even retina displays.
|
|
*/
|
|
int SurfaceImpl::LogPixelsY() {
|
|
return 72;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Returns the number of device pixels per logical pixel.
|
|
* 1 for older displays and 2 for retina displays. Potentially 3 for some phones.
|
|
*/
|
|
int SurfaceImpl::PixelDivisions() {
|
|
if (gc) {
|
|
const CGSize szDevice = CGContextConvertSizeToDeviceSpace(gc, CGSizeMake(1.0, 1.0));
|
|
const int devicePixels = std::round(szDevice.width);
|
|
assert(devicePixels == 1 || devicePixels == 2);
|
|
return devicePixels;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Converts the logical font height in points into a device height.
|
|
* For Cocoa, points are always used for the result even on retina displays.
|
|
*/
|
|
int SurfaceImpl::DeviceHeightFont(int points) {
|
|
return points;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::LineDraw(Point start, Point end, Stroke stroke) {
|
|
PenColourAlpha(stroke.colour);
|
|
CGContextSetLineWidth(gc, stroke.width);
|
|
|
|
CGContextBeginPath(gc);
|
|
CGContextMoveToPoint(gc, start.x, start.y);
|
|
CGContextAddLineToPoint(gc, end.x, end.y);
|
|
CGContextStrokePath(gc);
|
|
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::PolyLine(const Point *pts, size_t npts, Stroke stroke) {
|
|
PLATFORM_ASSERT(gc && (npts > 1));
|
|
if (!gc || (npts <= 1)) {
|
|
return;
|
|
}
|
|
PenColourAlpha(stroke.colour);
|
|
CGContextSetLineWidth(gc, stroke.width);
|
|
CGContextBeginPath(gc);
|
|
CGContextMoveToPoint(gc, pts[0].x, pts[0].y);
|
|
for (size_t i = 1; i < npts; i++) {
|
|
CGContextAddLineToPoint(gc, pts[i].x, pts[i].y);
|
|
}
|
|
CGContextStrokePath(gc);
|
|
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::Polygon(const Scintilla::Internal::Point *pts, size_t npts, FillStroke fillStroke) {
|
|
std::vector<CGPoint> points;
|
|
std::transform(pts, pts + npts, std::back_inserter(points), CGPointFromPoint);
|
|
|
|
CGContextBeginPath(gc);
|
|
|
|
SetFillStroke(fillStroke);
|
|
|
|
// Draw the polygon
|
|
CGContextAddLines(gc, points.data(), npts);
|
|
|
|
// Explicitly close the path, so it is closed for stroking AND filling (implicit close = filling only)
|
|
CGContextClosePath(gc);
|
|
CGContextDrawPath(gc, kCGPathFillStroke);
|
|
|
|
// Restore as not all paths set
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::RectangleDraw(PRectangle rc, FillStroke fillStroke) {
|
|
if (!gc)
|
|
return;
|
|
CGContextBeginPath(gc);
|
|
SetFillStroke(fillStroke);
|
|
|
|
CGContextAddRect(gc, CGRectFromPRectangleInset(rc, fillStroke.stroke.width));
|
|
|
|
CGContextDrawPath(gc, kCGPathFillStroke);
|
|
|
|
// Restore as not all paths set
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::RectangleFrame(PRectangle rc, Stroke stroke) {
|
|
if (!gc)
|
|
return;
|
|
|
|
CGContextBeginPath(gc);
|
|
PenColourAlpha(stroke.colour);
|
|
CGContextSetLineWidth(gc, stroke.width);
|
|
|
|
CGContextAddRect(gc, CGRectFromPRectangleInset(rc, stroke.width));
|
|
|
|
CGContextDrawPath(gc, kCGPathStroke);
|
|
|
|
// Restore as not all paths set
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::FillRectangle(PRectangle rc, Fill fill) {
|
|
if (gc) {
|
|
FillColour(fill.colour);
|
|
CGRect rect = PRectangleToCGRect(rc);
|
|
CGContextFillRect(gc, rect);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::FillRectangleAligned(PRectangle rc, Fill fill) {
|
|
FillRectangle(PixelAlign(rc, PixelDivisions()), fill);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
static void drawImageRefCallback(void *info, CGContextRef gc) {
|
|
CGImageRef pattern = static_cast<CGImageRef>(info);
|
|
CGContextDrawImage(gc, CGRectMake(0, 0, CGImageGetWidth(pattern), CGImageGetHeight(pattern)), pattern);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
static void releaseImageRefCallback(void *info) {
|
|
CGImageRelease(static_cast<CGImageRef>(info));
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::FillRectangle(PRectangle rc, Surface &surfacePattern) {
|
|
SurfaceImpl &patternSurface = static_cast<SurfaceImpl &>(surfacePattern);
|
|
|
|
// For now, assume that copy can only be called on PixMap surfaces. Shows up black.
|
|
CGImageRef image = patternSurface.CreateImage();
|
|
if (image == NULL) {
|
|
FillRectangle(rc, ColourRGBA::FromRGB(0));
|
|
return;
|
|
}
|
|
|
|
const CGPatternCallbacks drawImageCallbacks = { 0, drawImageRefCallback, releaseImageRefCallback };
|
|
|
|
CGPatternRef pattern = CGPatternCreate(image,
|
|
CGRectMake(0, 0, patternSurface.bitmapWidth, patternSurface.bitmapHeight),
|
|
CGAffineTransformIdentity,
|
|
patternSurface.bitmapWidth,
|
|
patternSurface.bitmapHeight,
|
|
kCGPatternTilingNoDistortion,
|
|
true,
|
|
&drawImageCallbacks
|
|
);
|
|
if (pattern != NULL) {
|
|
// Create a pattern color space
|
|
CGColorSpaceRef colorSpace = CGColorSpaceCreatePattern(NULL);
|
|
if (colorSpace != NULL) {
|
|
|
|
CGContextSaveGState(gc);
|
|
CGContextSetFillColorSpace(gc, colorSpace);
|
|
|
|
// Unlike the documentation, you MUST pass in a "components" parameter:
|
|
// For coloured patterns it is the alpha value.
|
|
const CGFloat alpha = 1.0;
|
|
CGContextSetFillPattern(gc, pattern, &alpha);
|
|
CGContextFillRect(gc, PRectangleToCGRect(rc));
|
|
CGContextRestoreGState(gc);
|
|
// Free the color space, the pattern and image
|
|
CGColorSpaceRelease(colorSpace);
|
|
} /* colorSpace != NULL */
|
|
colorSpace = NULL;
|
|
CGPatternRelease(pattern);
|
|
pattern = NULL;
|
|
} /* pattern != NULL */
|
|
}
|
|
|
|
void SurfaceImpl::RoundedRectangle(PRectangle rc, FillStroke fillStroke) {
|
|
// This is only called from the margin marker drawing code for MarkerSymbol::RoundRect
|
|
// The Win32 version does
|
|
// ::RoundRect(hdc, rc.left + 1, rc.top, rc.right - 1, rc.bottom, 8, 8 );
|
|
// which is a rectangle with rounded corners each having a radius of 4 pixels.
|
|
// It would be almost as good just cutting off the corners with lines at
|
|
// 45 degrees as is done on GTK+.
|
|
|
|
// Create a rectangle with semicircles at the corners
|
|
const int MAX_RADIUS = 4;
|
|
const int radius = std::min(MAX_RADIUS, static_cast<int>(std::min(rc.Height()/2, rc.Width()/2)));
|
|
|
|
// Points go clockwise, starting from just below the top left
|
|
// Corners are kept together, so we can easily create arcs to connect them
|
|
CGPoint corners[4][3] = {
|
|
{
|
|
{ rc.left, rc.top + radius },
|
|
{ rc.left, rc.top },
|
|
{ rc.left + radius, rc.top },
|
|
},
|
|
{
|
|
{ rc.right - radius - 1, rc.top },
|
|
{ rc.right - 1, rc.top },
|
|
{ rc.right - 1, rc.top + radius },
|
|
},
|
|
{
|
|
{ rc.right - 1, rc.bottom - radius - 1 },
|
|
{ rc.right - 1, rc.bottom - 1 },
|
|
{ rc.right - radius - 1, rc.bottom - 1 },
|
|
},
|
|
{
|
|
{ rc.left + radius, rc.bottom - 1 },
|
|
{ rc.left, rc.bottom - 1 },
|
|
{ rc.left, rc.bottom - radius - 1 },
|
|
},
|
|
};
|
|
|
|
// Align the points in the middle of the pixels
|
|
for (int i = 0; i < 4; ++ i) {
|
|
for (int j = 0; j < 3; ++ j) {
|
|
corners[i][j].x += 0.5;
|
|
corners[i][j].y += 0.5;
|
|
}
|
|
}
|
|
|
|
SetFillStroke(fillStroke);
|
|
|
|
// Move to the last point to begin the path
|
|
CGContextBeginPath(gc);
|
|
CGContextMoveToPoint(gc, corners[3][2].x, corners[3][2].y);
|
|
|
|
for (int i = 0; i < 4; ++ i) {
|
|
CGContextAddLineToPoint(gc, corners[i][0].x, corners[i][0].y);
|
|
CGContextAddArcToPoint(gc, corners[i][1].x, corners[i][1].y, corners[i][2].x, corners[i][2].y, radius);
|
|
}
|
|
|
|
// Close the path to enclose it for stroking and for filling, then draw it
|
|
CGContextClosePath(gc);
|
|
CGContextDrawPath(gc, kCGPathFillStroke);
|
|
|
|
// Restore as not all paths set
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
// DrawChamferedRectangle is a helper function for AlphaRectangle that either fills or strokes a
|
|
// rectangle with its corners chamfered at 45 degrees.
|
|
static void DrawChamferedRectangle(CGContextRef gc, PRectangle rc, int cornerSize, CGPathDrawingMode mode) {
|
|
// Points go clockwise, starting from just below the top left
|
|
CGPoint corners[4][2] = {
|
|
{
|
|
{ rc.left, rc.top + cornerSize },
|
|
{ rc.left + cornerSize, rc.top },
|
|
},
|
|
{
|
|
{ rc.right - cornerSize - 1, rc.top },
|
|
{ rc.right - 1, rc.top + cornerSize },
|
|
},
|
|
{
|
|
{ rc.right - 1, rc.bottom - cornerSize - 1 },
|
|
{ rc.right - cornerSize - 1, rc.bottom - 1 },
|
|
},
|
|
{
|
|
{ rc.left + cornerSize, rc.bottom - 1 },
|
|
{ rc.left, rc.bottom - cornerSize - 1 },
|
|
},
|
|
};
|
|
|
|
// Align the points in the middle of the pixels
|
|
for (int i = 0; i < 4; ++ i) {
|
|
for (int j = 0; j < 2; ++ j) {
|
|
corners[i][j].x += 0.5;
|
|
corners[i][j].y += 0.5;
|
|
}
|
|
}
|
|
|
|
// Move to the last point to begin the path
|
|
CGContextBeginPath(gc);
|
|
CGContextMoveToPoint(gc, corners[3][1].x, corners[3][1].y);
|
|
|
|
for (int i = 0; i < 4; ++ i) {
|
|
CGContextAddLineToPoint(gc, corners[i][0].x, corners[i][0].y);
|
|
CGContextAddLineToPoint(gc, corners[i][1].x, corners[i][1].y);
|
|
}
|
|
|
|
// Close the path to enclose it for stroking and for filling, then draw it
|
|
CGContextClosePath(gc);
|
|
CGContextDrawPath(gc, mode);
|
|
}
|
|
|
|
void Scintilla::Internal::SurfaceImpl::AlphaRectangle(PRectangle rc, XYPOSITION cornerSize, FillStroke fillStroke) {
|
|
if (gc) {
|
|
const XYPOSITION halfStroke = fillStroke.stroke.width / 2.0f;
|
|
// Set the Fill color to match
|
|
FillColour(fillStroke.fill.colour);
|
|
PenColourAlpha(fillStroke.stroke.colour);
|
|
PRectangle rcFill = rc;
|
|
if (cornerSize == 0) {
|
|
// A simple rectangle, no rounded corners
|
|
if (fillStroke.fill.colour == fillStroke.stroke.colour) {
|
|
// Optimization for simple case
|
|
CGRect rect = PRectangleToCGRect(rcFill);
|
|
CGContextFillRect(gc, rect);
|
|
} else {
|
|
rcFill.left += fillStroke.stroke.width;
|
|
rcFill.top += fillStroke.stroke.width;
|
|
rcFill.right -= fillStroke.stroke.width;
|
|
rcFill.bottom -= fillStroke.stroke.width;
|
|
CGRect rect = PRectangleToCGRect(rcFill);
|
|
CGContextFillRect(gc, rect);
|
|
CGContextAddRect(gc, CGRectMake(rc.left + halfStroke, rc.top + halfStroke,
|
|
rc.Width() - fillStroke.stroke.width, rc.Height() - fillStroke.stroke.width));
|
|
CGContextStrokeRectWithWidth(gc,
|
|
CGRectMake(rc.left + halfStroke, rc.top + halfStroke,
|
|
rc.Width() - fillStroke.stroke.width, rc.Height() - fillStroke.stroke.width),
|
|
fillStroke.stroke.width);
|
|
}
|
|
} else {
|
|
// Approximate rounded corners with 45 degree chamfers.
|
|
// Drawing real circular arcs often leaves some over- or under-drawn pixels.
|
|
if (fillStroke.fill.colour == fillStroke.stroke.colour) {
|
|
// Specializing this case avoids a few stray light/dark pixels in corners.
|
|
rcFill.left -= halfStroke;
|
|
rcFill.top -= halfStroke;
|
|
rcFill.right += halfStroke;
|
|
rcFill.bottom += halfStroke;
|
|
DrawChamferedRectangle(gc, rcFill, cornerSize, kCGPathFill);
|
|
} else {
|
|
rcFill.left += halfStroke;
|
|
rcFill.top += halfStroke;
|
|
rcFill.right -= halfStroke;
|
|
rcFill.bottom -= halfStroke;
|
|
DrawChamferedRectangle(gc, rcFill, cornerSize-fillStroke.stroke.width, kCGPathFill);
|
|
DrawChamferedRectangle(gc, rc, cornerSize, kCGPathStroke);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Scintilla::Internal::SurfaceImpl::GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) {
|
|
if (!gc) {
|
|
return;
|
|
}
|
|
|
|
CGPoint ptStart = CGPointMake(rc.left, rc.top);
|
|
CGPoint ptEnd = CGPointMake(rc.left, rc.bottom);
|
|
if (options == GradientOptions::leftToRight) {
|
|
ptEnd = CGPointMake(rc.right, rc.top);
|
|
}
|
|
|
|
std::vector<CGFloat> components;
|
|
std::vector<CGFloat> locations;
|
|
for (const ColourStop &stop : stops) {
|
|
locations.push_back(stop.position);
|
|
components.push_back(stop.colour.GetRedComponent());
|
|
components.push_back(stop.colour.GetGreenComponent());
|
|
components.push_back(stop.colour.GetBlueComponent());
|
|
components.push_back(stop.colour.GetAlphaComponent());
|
|
}
|
|
|
|
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
|
|
if (!colorSpace) {
|
|
return;
|
|
}
|
|
|
|
CGGradientRef gradiantRef = CGGradientCreateWithColorComponents(colorSpace,
|
|
components.data(),
|
|
locations.data(),
|
|
locations.size());
|
|
if (gradiantRef) {
|
|
CGContextSaveGState(gc);
|
|
CGRect rect = PRectangleToCGRect(rc);
|
|
CGContextClipToRect(gc, rect);
|
|
CGContextBeginPath(gc);
|
|
CGContextAddRect(gc, rect);
|
|
CGContextClosePath(gc);
|
|
CGContextDrawLinearGradient(gc, gradiantRef, ptStart, ptEnd, 0);
|
|
CGGradientRelease(gradiantRef);
|
|
CGContextRestoreGState(gc);
|
|
}
|
|
CGColorSpaceRelease(colorSpace);
|
|
}
|
|
|
|
static void ProviderReleaseData(void *, const void *data, size_t) {
|
|
const unsigned char *pixels = static_cast<const unsigned char *>(data);
|
|
delete []pixels;
|
|
}
|
|
|
|
static CGImageRef ImageCreateFromRGBA(int width, int height, const unsigned char *pixelsImage, bool invert) {
|
|
CGImageRef image = 0;
|
|
|
|
// Create an RGB color space.
|
|
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
|
|
if (colorSpace) {
|
|
const int bitmapBytesPerRow = width * 4;
|
|
const int bitmapByteCount = bitmapBytesPerRow * height;
|
|
|
|
// Create a data provider.
|
|
CGDataProviderRef dataProvider = 0;
|
|
if (invert) {
|
|
unsigned char *pixelsUpsideDown = new unsigned char[bitmapByteCount];
|
|
|
|
for (int y=0; y<height; y++) {
|
|
int yInverse = height - y - 1;
|
|
memcpy(pixelsUpsideDown + y * bitmapBytesPerRow,
|
|
pixelsImage + yInverse * bitmapBytesPerRow,
|
|
bitmapBytesPerRow);
|
|
}
|
|
|
|
dataProvider = CGDataProviderCreateWithData(
|
|
NULL, pixelsUpsideDown, bitmapByteCount, ProviderReleaseData);
|
|
} else {
|
|
dataProvider = CGDataProviderCreateWithData(
|
|
NULL, pixelsImage, bitmapByteCount, NULL);
|
|
|
|
}
|
|
if (dataProvider) {
|
|
// Create the CGImage.
|
|
image = CGImageCreate(width,
|
|
height,
|
|
8,
|
|
8 * 4,
|
|
bitmapBytesPerRow,
|
|
colorSpace,
|
|
kCGImageAlphaLast,
|
|
dataProvider,
|
|
NULL,
|
|
0,
|
|
kCGRenderingIntentDefault);
|
|
|
|
CGDataProviderRelease(dataProvider);
|
|
}
|
|
|
|
// The image retains the color space, so we can release it.
|
|
CGColorSpaceRelease(colorSpace);
|
|
}
|
|
return image;
|
|
}
|
|
|
|
void SurfaceImpl::DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) {
|
|
CGImageRef image = ImageCreateFromRGBA(width, height, pixelsImage, true);
|
|
if (image) {
|
|
CGRect drawRect = CGRectMake(rc.left, rc.top, rc.Width(), rc.Height());
|
|
CGContextDrawImage(gc, drawRect, image);
|
|
CGImageRelease(image);
|
|
}
|
|
}
|
|
|
|
void SurfaceImpl::Ellipse(PRectangle rc, FillStroke fillStroke) {
|
|
const CGRect ellipseRect = CGRectFromPRectangleInset(rc, fillStroke.stroke.width / 2.0f);
|
|
SetFillStroke(fillStroke);
|
|
CGContextBeginPath(gc);
|
|
CGContextAddEllipseInRect(gc, ellipseRect);
|
|
CGContextDrawPath(gc, kCGPathFillStroke);
|
|
// Restore as not all paths set
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
void SurfaceImpl::Stadium(PRectangle rc, FillStroke fillStroke, Ends ends) {
|
|
const CGFloat midLine = rc.Centre().y;
|
|
const CGFloat piOn2 = acos(0.0);
|
|
const XYPOSITION halfStroke = fillStroke.stroke.width / 2.0f;
|
|
const float radius = rc.Height() / 2.0f - halfStroke;
|
|
PRectangle rcInner = rc;
|
|
rcInner.left += radius;
|
|
rcInner.right -= radius;
|
|
|
|
SetFillStroke(fillStroke);
|
|
CGContextBeginPath(gc);
|
|
|
|
const Ends leftSide = static_cast<Ends>(static_cast<int>(ends) & 0xf);
|
|
const Ends rightSide = static_cast<Ends>(static_cast<int>(ends) & 0xf0);
|
|
switch (leftSide) {
|
|
case Ends::leftFlat:
|
|
CGContextMoveToPoint(gc, rc.left + halfStroke, rc.top + halfStroke);
|
|
CGContextAddLineToPoint(gc, rc.left + halfStroke, rc.bottom - halfStroke);
|
|
break;
|
|
case Ends::leftAngle:
|
|
CGContextMoveToPoint(gc, rcInner.left + halfStroke, rc.top + halfStroke);
|
|
CGContextAddLineToPoint(gc, rc.left + halfStroke, rc.Centre().y);
|
|
CGContextAddLineToPoint(gc, rcInner.left + halfStroke, rc.bottom - halfStroke);
|
|
break;
|
|
case Ends::semiCircles:
|
|
default:
|
|
CGContextMoveToPoint(gc, rcInner.left + halfStroke, rc.top + halfStroke);
|
|
CGContextAddArc(gc, rcInner.left + halfStroke, midLine, radius, -piOn2, piOn2, 1);
|
|
break;
|
|
}
|
|
|
|
switch (rightSide) {
|
|
case Ends::rightFlat:
|
|
CGContextAddLineToPoint(gc, rc.right - halfStroke, rc.bottom - halfStroke);
|
|
CGContextAddLineToPoint(gc, rc.right - halfStroke, rc.top + halfStroke);
|
|
break;
|
|
case Ends::rightAngle:
|
|
CGContextAddLineToPoint(gc, rcInner.right - halfStroke, rc.bottom - halfStroke);
|
|
CGContextAddLineToPoint(gc, rc.right - halfStroke, rc.Centre().y);
|
|
CGContextAddLineToPoint(gc, rcInner.right - halfStroke, rc.top + halfStroke);
|
|
break;
|
|
case Ends::semiCircles:
|
|
default:
|
|
CGContextAddLineToPoint(gc, rcInner.right - halfStroke, rc.bottom - halfStroke);
|
|
CGContextAddArc(gc, rcInner.right - halfStroke, midLine, radius, piOn2, -piOn2, 1);
|
|
break;
|
|
}
|
|
|
|
// Close the path to enclose it for stroking and for filling, then draw it
|
|
CGContextClosePath(gc);
|
|
CGContextDrawPath(gc, kCGPathFillStroke);
|
|
|
|
CGContextSetLineWidth(gc, 1.0f);
|
|
}
|
|
|
|
void SurfaceImpl::CopyImageRectangle(SurfaceImpl *source, PRectangle srcRect, PRectangle dstRect) {
|
|
CGImageRef image = source->CreateImage();
|
|
|
|
CGRect src = PRectangleToCGRect(srcRect);
|
|
CGRect dst = PRectangleToCGRect(dstRect);
|
|
|
|
/* source from QuickDrawToQuartz2D.pdf on developer.apple.com */
|
|
const float w = static_cast<float>(CGImageGetWidth(image));
|
|
const float h = static_cast<float>(CGImageGetHeight(image));
|
|
CGRect drawRect = CGRectMake(0, 0, w, h);
|
|
if (!CGRectEqualToRect(src, dst)) {
|
|
CGFloat sx = CGRectGetWidth(dst) / CGRectGetWidth(src);
|
|
CGFloat sy = CGRectGetHeight(dst) / CGRectGetHeight(src);
|
|
CGFloat dx = CGRectGetMinX(dst) - (CGRectGetMinX(src) * sx);
|
|
CGFloat dy = CGRectGetMinY(dst) - (CGRectGetMinY(src) * sy);
|
|
drawRect = CGRectMake(dx, dy, w*sx, h*sy);
|
|
}
|
|
CGContextSaveGState(gc);
|
|
CGContextClipToRect(gc, dst);
|
|
CGContextDrawImage(gc, drawRect, image);
|
|
CGContextRestoreGState(gc);
|
|
CGImageRelease(image);
|
|
}
|
|
|
|
void SurfaceImpl::Copy(PRectangle rc, Scintilla::Internal::Point from, Surface &surfaceSource) {
|
|
// Maybe we have to make the Surface two contexts:
|
|
// a bitmap context which we do all the drawing on, and then a "real" context
|
|
// which we copy the output to when we call "Synchronize". Ugh! Gross and slow!
|
|
|
|
// For now, assume that copy can only be called on PixMap surfaces
|
|
SurfaceImpl &source = static_cast<SurfaceImpl &>(surfaceSource);
|
|
|
|
// Get the CGImageRef
|
|
CGImageRef image = source.CreateImage();
|
|
// If we could not get an image reference, fill the rectangle black
|
|
if (image == NULL) {
|
|
FillRectangle(rc, ColourRGBA::FromRGB(0));
|
|
return;
|
|
}
|
|
|
|
// Now draw the image on the surface
|
|
|
|
// Some fancy clipping work is required here: draw only inside of rc
|
|
CGContextSaveGState(gc);
|
|
CGContextClipToRect(gc, PRectangleToCGRect(rc));
|
|
|
|
//Platform::DebugPrintf(stderr, "Copy: CGContextDrawImage: (%d, %d) - (%d X %d)\n", rc.left - from.x, rc.top - from.y, source.bitmapWidth, source.bitmapHeight );
|
|
CGContextDrawImage(gc, CGRectMake(rc.left - from.x, rc.top - from.y, source.bitmapWidth, source.bitmapHeight), image);
|
|
|
|
// Undo the clipping fun
|
|
CGContextRestoreGState(gc);
|
|
|
|
// Done with the image
|
|
CGImageRelease(image);
|
|
image = NULL;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
// Bidirectional text support for Arabic and Hebrew.
|
|
|
|
std::unique_ptr<IScreenLineLayout> SurfaceImpl::Layout(const IScreenLine *screenLine) {
|
|
return std::make_unique<ScreenLineLayout>(screenLine);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::DrawTextNoClip(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text,
|
|
ColourRGBA fore, ColourRGBA back) {
|
|
FillRectangleAligned(rc, back);
|
|
DrawTextTransparent(rc, font_, ybase, text, fore);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::DrawTextClipped(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text,
|
|
ColourRGBA fore, ColourRGBA back) {
|
|
CGContextSaveGState(gc);
|
|
CGContextClipToRect(gc, PRectangleToCGRect(rc));
|
|
DrawTextNoClip(rc, font_, ybase, text, fore, back);
|
|
CGContextRestoreGState(gc);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
CFStringEncoding EncodingFromCharacterSet(bool unicode, CharacterSet characterSet) {
|
|
if (unicode)
|
|
return kCFStringEncodingUTF8;
|
|
|
|
// Unsupported -> Latin1 as reasonably safe
|
|
enum { notSupported = kCFStringEncodingISOLatin1};
|
|
|
|
switch (characterSet) {
|
|
case CharacterSet::Ansi:
|
|
return kCFStringEncodingISOLatin1;
|
|
case CharacterSet::Default:
|
|
return kCFStringEncodingISOLatin1;
|
|
case CharacterSet::Baltic:
|
|
return kCFStringEncodingWindowsBalticRim;
|
|
case CharacterSet::ChineseBig5:
|
|
return kCFStringEncodingBig5;
|
|
case CharacterSet::EastEurope:
|
|
return kCFStringEncodingWindowsLatin2;
|
|
case CharacterSet::GB2312:
|
|
return kCFStringEncodingGB_18030_2000;
|
|
case CharacterSet::Greek:
|
|
return kCFStringEncodingWindowsGreek;
|
|
case CharacterSet::Hangul:
|
|
return kCFStringEncodingEUC_KR;
|
|
case CharacterSet::Mac:
|
|
return kCFStringEncodingMacRoman;
|
|
case CharacterSet::Oem:
|
|
return kCFStringEncodingISOLatin1;
|
|
case CharacterSet::Russian:
|
|
return kCFStringEncodingKOI8_R;
|
|
case CharacterSet::Cyrillic:
|
|
return kCFStringEncodingWindowsCyrillic;
|
|
case CharacterSet::ShiftJis:
|
|
return kCFStringEncodingShiftJIS;
|
|
case CharacterSet::Symbol:
|
|
return kCFStringEncodingMacSymbol;
|
|
case CharacterSet::Turkish:
|
|
return kCFStringEncodingWindowsLatin5;
|
|
case CharacterSet::Johab:
|
|
return kCFStringEncodingWindowsKoreanJohab;
|
|
case CharacterSet::Hebrew:
|
|
return kCFStringEncodingWindowsHebrew;
|
|
case CharacterSet::Arabic:
|
|
return kCFStringEncodingWindowsArabic;
|
|
case CharacterSet::Vietnamese:
|
|
return kCFStringEncodingWindowsVietnamese;
|
|
case CharacterSet::Thai:
|
|
return kCFStringEncodingISOLatinThai;
|
|
case CharacterSet::Iso8859_15:
|
|
return kCFStringEncodingISOLatin1;
|
|
default:
|
|
return notSupported;
|
|
}
|
|
}
|
|
|
|
void SurfaceImpl::DrawTextTransparent(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text,
|
|
ColourRGBA fore) {
|
|
QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return;
|
|
}
|
|
CFStringEncoding encoding = EncodingFromCharacterSet(UnicodeMode(), style->getCharacterSet());
|
|
|
|
CGColorRef color = CGColorCreateGenericRGB(fore.GetRedComponent(),
|
|
fore.GetGreenComponent(),
|
|
fore.GetBlueComponent(),
|
|
fore.GetAlphaComponent());
|
|
|
|
style->setCTStyleColour(color);
|
|
|
|
CGColorRelease(color);
|
|
|
|
QuartzTextLayout layoutDraw(text, encoding, style);
|
|
layoutDraw.draw(gc, rc.left, ybase);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::MeasureWidths(const Font *font_, std::string_view text, XYPOSITION *positions) {
|
|
const QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return;
|
|
}
|
|
CFStringEncoding encoding = EncodingFromCharacterSet(UnicodeMode(), style->getCharacterSet());
|
|
QuartzTextLayout layoutMeasure(text, encoding, style);
|
|
const CFStringEncoding encodingUsed = layoutMeasure.getEncoding();
|
|
|
|
CTLineRef mLine = layoutMeasure.getCTLine();
|
|
assert(mLine);
|
|
|
|
if (encodingUsed != encoding) {
|
|
// Switched to MacRoman to make work so treat as single byte encoding.
|
|
for (int i=0; i<text.length(); i++) {
|
|
CGFloat xPosition = CTLineGetOffsetForStringIndex(mLine, i+1, nullptr);
|
|
positions[i] = xPosition;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (UnicodeMode()) {
|
|
// Map the widths given for UTF-16 characters back onto the UTF-8 input string
|
|
CFIndex fit = layoutMeasure.getStringLength();
|
|
int ui=0;
|
|
int i=0;
|
|
std::vector<CGFloat> linePositions(fit);
|
|
GetPositions(mLine, linePositions);
|
|
while (ui<fit) {
|
|
const unsigned char uch = text[i];
|
|
const unsigned int byteCount = UTF8BytesOfLead[uch];
|
|
const int codeUnits = UTF16LengthFromUTF8ByteCount(byteCount);
|
|
const CGFloat xPosition = linePositions[ui];
|
|
for (unsigned int bytePos=0; (bytePos<byteCount) && (i<text.length()); bytePos++) {
|
|
positions[i++] = xPosition;
|
|
}
|
|
ui += codeUnits;
|
|
}
|
|
XYPOSITION lastPos = 0.0f;
|
|
if (i > 0)
|
|
lastPos = positions[i-1];
|
|
while (i<text.length()) {
|
|
positions[i++] = lastPos;
|
|
}
|
|
} else if (mode.codePage) {
|
|
int ui = 0;
|
|
for (int i=0; i<text.length();) {
|
|
size_t lenChar = DBCSIsLeadByte(mode.codePage, text[i]) ? 2 : 1;
|
|
CGFloat xPosition = CTLineGetOffsetForStringIndex(mLine, ui+1, NULL);
|
|
for (unsigned int bytePos=0; (bytePos<lenChar) && (i<text.length()); bytePos++) {
|
|
positions[i++] = xPosition;
|
|
}
|
|
ui++;
|
|
}
|
|
} else { // Single byte encoding
|
|
for (int i=0; i<text.length(); i++) {
|
|
CGFloat xPosition = CTLineGetOffsetForStringIndex(mLine, i+1, NULL);
|
|
positions[i] = xPosition;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
XYPOSITION SurfaceImpl::WidthText(const Font *font_, std::string_view text) {
|
|
const QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return 1;
|
|
}
|
|
CFStringEncoding encoding = EncodingFromCharacterSet(UnicodeMode(), style->getCharacterSet());
|
|
QuartzTextLayout layoutMeasure(text, encoding, style);
|
|
|
|
return static_cast<XYPOSITION>(layoutMeasure.MeasureStringWidth());
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::DrawTextNoClipUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text,
|
|
ColourRGBA fore, ColourRGBA back) {
|
|
FillRectangleAligned(rc, back);
|
|
DrawTextTransparentUTF8(rc, font_, ybase, text, fore);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::DrawTextClippedUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text,
|
|
ColourRGBA fore, ColourRGBA back) {
|
|
CGContextSaveGState(gc);
|
|
CGContextClipToRect(gc, PRectangleToCGRect(rc));
|
|
DrawTextNoClipUTF8(rc, font_, ybase, text, fore, back);
|
|
CGContextRestoreGState(gc);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::DrawTextTransparentUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text,
|
|
ColourRGBA fore) {
|
|
QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return;
|
|
}
|
|
const CFStringEncoding encoding = kCFStringEncodingUTF8;
|
|
|
|
CGColorRef color = CGColorCreateGenericRGB(fore.GetRedComponent(),
|
|
fore.GetGreenComponent(),
|
|
fore.GetBlueComponent(),
|
|
fore.GetAlphaComponent());
|
|
|
|
style->setCTStyleColour(color);
|
|
|
|
CGColorRelease(color);
|
|
|
|
QuartzTextLayout layoutDraw(text, encoding, style);
|
|
layoutDraw.draw(gc, rc.left, ybase);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void SurfaceImpl::MeasureWidthsUTF8(const Font *font_, std::string_view text, XYPOSITION *positions) {
|
|
const QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return;
|
|
}
|
|
constexpr CFStringEncoding encoding = kCFStringEncodingUTF8;
|
|
QuartzTextLayout layoutMeasure(text, encoding, style);
|
|
const CFStringEncoding encodingUsed = layoutMeasure.getEncoding();
|
|
|
|
CTLineRef mLine = layoutMeasure.getCTLine();
|
|
assert(mLine);
|
|
|
|
if (encodingUsed != encoding) {
|
|
// Switched to MacRoman to make work so treat as single byte encoding.
|
|
for (int i=0; i<text.length(); i++) {
|
|
CGFloat xPosition = CTLineGetOffsetForStringIndex(mLine, i+1, nullptr);
|
|
positions[i] = xPosition;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Map the widths given for UTF-16 characters back onto the UTF-8 input string
|
|
CFIndex fit = layoutMeasure.getStringLength();
|
|
int ui=0;
|
|
int i=0;
|
|
std::vector<CGFloat> linePositions(fit);
|
|
GetPositions(mLine, linePositions);
|
|
while (ui<fit) {
|
|
const unsigned char uch = text[i];
|
|
const unsigned int byteCount = UTF8BytesOfLead[uch];
|
|
const int codeUnits = UTF16LengthFromUTF8ByteCount(byteCount);
|
|
const CGFloat xPosition = linePositions[ui];
|
|
for (unsigned int bytePos=0; (bytePos<byteCount) && (i<text.length()); bytePos++) {
|
|
positions[i++] = xPosition;
|
|
}
|
|
ui += codeUnits;
|
|
}
|
|
XYPOSITION lastPos = 0.0f;
|
|
if (i > 0)
|
|
lastPos = positions[i-1];
|
|
while (i<text.length()) {
|
|
positions[i++] = lastPos;
|
|
}
|
|
}
|
|
|
|
XYPOSITION SurfaceImpl::WidthTextUTF8(const Font *font_, std::string_view text) {
|
|
const QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return 1;
|
|
}
|
|
QuartzTextLayout layoutMeasure(text, kCFStringEncodingUTF8, style);
|
|
return static_cast<XYPOSITION>(layoutMeasure.MeasureStringWidth());
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
|
|
// This string contains a good range of characters to test for size.
|
|
const char sizeString[] = "`~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890"
|
|
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|
|
|
XYPOSITION SurfaceImpl::Ascent(const Font *font_) {
|
|
const QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return 1;
|
|
}
|
|
|
|
float ascent = style->getAscent();
|
|
return ascent + 0.5f;
|
|
|
|
}
|
|
|
|
XYPOSITION SurfaceImpl::Descent(const Font *font_) {
|
|
const QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
if (!style) {
|
|
return 1;
|
|
}
|
|
|
|
float descent = style->getDescent();
|
|
return descent + 0.5f;
|
|
|
|
}
|
|
|
|
XYPOSITION SurfaceImpl::InternalLeading(const Font *) {
|
|
return 0;
|
|
}
|
|
|
|
XYPOSITION SurfaceImpl::Height(const Font *font_) {
|
|
|
|
return Ascent(font_) + Descent(font_);
|
|
}
|
|
|
|
XYPOSITION SurfaceImpl::AverageCharWidth(const Font *font_) {
|
|
|
|
XYPOSITION width = WidthText(font_, sizeString);
|
|
|
|
return std::round(width / strlen(sizeString));
|
|
}
|
|
|
|
void SurfaceImpl::SetClip(PRectangle rc) {
|
|
CGContextSaveGState(gc);
|
|
CGContextClipToRect(gc, PRectangleToCGRect(rc));
|
|
}
|
|
|
|
void SurfaceImpl::PopClip() {
|
|
CGContextRestoreGState(gc);
|
|
}
|
|
|
|
void SurfaceImpl::FlushCachedState() {
|
|
CGContextSynchronize(gc);
|
|
}
|
|
|
|
void SurfaceImpl::FlushDrawing() {
|
|
}
|
|
|
|
std::unique_ptr<Surface> Surface::Allocate(Technology) {
|
|
return std::make_unique<SurfaceImpl>();
|
|
}
|
|
|
|
//----------------- Window -------------------------------------------------------------------------
|
|
|
|
// Cocoa uses different types for windows and views, so a Window may
|
|
// be either an NSWindow or NSView and the code will check the type
|
|
// before performing an action.
|
|
|
|
Window::~Window() noexcept {
|
|
}
|
|
|
|
// Window::Destroy needs to see definition of ListBoxImpl so is located after ListBoxImpl
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
static CGFloat ScreenMax() {
|
|
return NSMaxY([NSScreen mainScreen].frame);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
PRectangle Window::GetPosition() const {
|
|
if (wid) {
|
|
NSRect rect;
|
|
id idWin = (__bridge id)(wid);
|
|
NSWindow *win;
|
|
if ([idWin isKindOfClass: [NSView class]]) {
|
|
// NSView
|
|
NSView *view = idWin;
|
|
win = view.window;
|
|
rect = [view convertRect: view.bounds toView: nil];
|
|
rect = [win convertRectToScreen: rect];
|
|
} else {
|
|
// NSWindow
|
|
win = idWin;
|
|
rect = win.frame;
|
|
}
|
|
CGFloat screenHeight = ScreenMax();
|
|
// Invert screen positions to match Scintilla
|
|
return PRectangle(
|
|
NSMinX(rect), screenHeight - NSMaxY(rect),
|
|
NSMaxX(rect), screenHeight - NSMinY(rect));
|
|
} else {
|
|
return PRectangle(0, 0, 1, 1);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Window::SetPosition(PRectangle rc) {
|
|
if (wid) {
|
|
id idWin = (__bridge id)(wid);
|
|
if ([idWin isKindOfClass: [NSView class]]) {
|
|
// NSView
|
|
// Moves this view inside the parent view
|
|
NSRect nsrc = NSMakeRect(rc.left, rc.bottom, rc.Width(), rc.Height());
|
|
NSView *view = idWin;
|
|
nsrc = [view.window convertRectFromScreen: nsrc];
|
|
view.frame = nsrc;
|
|
} else {
|
|
// NSWindow
|
|
PLATFORM_ASSERT([idWin isKindOfClass: [NSWindow class]]);
|
|
NSWindow *win = idWin;
|
|
CGFloat screenHeight = ScreenMax();
|
|
NSRect nsrc = NSMakeRect(rc.left, screenHeight - rc.bottom,
|
|
rc.Width(), rc.Height());
|
|
[win setFrame: nsrc display: YES];
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Window::SetPositionRelative(PRectangle rc, const Window *window) {
|
|
PRectangle rcOther = window->GetPosition();
|
|
rc.left += rcOther.left;
|
|
rc.right += rcOther.left;
|
|
rc.top += rcOther.top;
|
|
rc.bottom += rcOther.top;
|
|
SetPosition(rc);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
PRectangle Window::GetClientPosition() const {
|
|
// This means, in macOS terms, get the "frame bounds". Call GetPosition, just like on Win32.
|
|
return GetPosition();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Window::Show(bool show) {
|
|
if (wid) {
|
|
id idWin = (__bridge id)(wid);
|
|
if ([idWin isKindOfClass: [NSWindow class]]) {
|
|
NSWindow *win = idWin;
|
|
if (show) {
|
|
[win orderFront: nil];
|
|
} else {
|
|
[win orderOut: nil];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Invalidates the entire window or view so it is completely redrawn.
|
|
*/
|
|
void Window::InvalidateAll() {
|
|
if (wid) {
|
|
id idWin = (__bridge id)(wid);
|
|
NSView *container;
|
|
if ([idWin isKindOfClass: [NSView class]]) {
|
|
container = idWin;
|
|
} else {
|
|
// NSWindow
|
|
NSWindow *win = idWin;
|
|
container = win.contentView;
|
|
container.needsDisplay = YES;
|
|
}
|
|
container.needsDisplay = YES;
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Invalidates part of the window or view so only this part redrawn.
|
|
*/
|
|
void Window::InvalidateRectangle(PRectangle rc) {
|
|
if (wid) {
|
|
id idWin = (__bridge id)(wid);
|
|
NSView *container;
|
|
if ([idWin isKindOfClass: [NSView class]]) {
|
|
container = idWin;
|
|
} else {
|
|
// NSWindow
|
|
NSWindow *win = idWin;
|
|
container = win.contentView;
|
|
}
|
|
[container setNeedsDisplayInRect: PRectangleToNSRect(rc)];
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Converts the Scintilla cursor enum into an NSCursor and stores it in the associated NSView,
|
|
* which then will take care to set up a new mouse tracking rectangle.
|
|
*/
|
|
void Window::SetCursor(Cursor curs) {
|
|
if (wid) {
|
|
id idWin = (__bridge id)(wid);
|
|
if ([idWin isKindOfClass: [SCIContentView class]]) {
|
|
SCIContentView *container = idWin;
|
|
[container setCursor: static_cast<int>(curs)];
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
PRectangle Window::GetMonitorRect(Point) {
|
|
if (wid) {
|
|
id idWin = (__bridge id)(wid);
|
|
if ([idWin isKindOfClass: [NSView class]]) {
|
|
NSView *view = idWin;
|
|
idWin = view.window;
|
|
}
|
|
if ([idWin isKindOfClass: [NSWindow class]]) {
|
|
PRectangle rcPosition = GetPosition();
|
|
|
|
NSWindow *win = idWin;
|
|
NSScreen *screen = win.screen;
|
|
NSRect rect = screen.visibleFrame;
|
|
CGFloat screenHeight = rect.origin.y + rect.size.height;
|
|
// Invert screen positions to match Scintilla
|
|
PRectangle rcWork(
|
|
NSMinX(rect), screenHeight - NSMaxY(rect),
|
|
NSMaxX(rect), screenHeight - NSMinY(rect));
|
|
PRectangle rcMonitor(rcWork.left - rcPosition.left,
|
|
rcWork.top - rcPosition.top,
|
|
rcWork.right - rcPosition.left,
|
|
rcWork.bottom - rcPosition.top);
|
|
return rcMonitor;
|
|
}
|
|
}
|
|
return PRectangle();
|
|
}
|
|
|
|
//----------------- ImageFromXPM -------------------------------------------------------------------
|
|
|
|
// Convert an XPM image into an NSImage for use with Cocoa
|
|
|
|
static NSImage *ImageFromXPM(XPM *pxpm) {
|
|
NSImage *img = nil;
|
|
if (pxpm) {
|
|
const int width = pxpm->GetWidth();
|
|
const int height = pxpm->GetHeight();
|
|
PRectangle rcxpm(0, 0, width, height);
|
|
std::unique_ptr<Surface> surfaceBase(Surface::Allocate(Technology::Default));
|
|
std::unique_ptr<Surface> surfaceXPM = surfaceBase->AllocatePixMap(width, height);
|
|
SurfaceImpl *surfaceIXPM = static_cast<SurfaceImpl *>(surfaceXPM.get());
|
|
CGContextClearRect(surfaceIXPM->GetContext(), CGRectMake(0, 0, width, height));
|
|
pxpm->Draw(surfaceXPM.get(), rcxpm);
|
|
CGImageRef imageRef = surfaceIXPM->CreateImage();
|
|
img = [[NSImage alloc] initWithCGImage: imageRef size: NSZeroSize];
|
|
CGImageRelease(imageRef);
|
|
}
|
|
return img;
|
|
}
|
|
|
|
//----------------- ListBox and related classes ----------------------------------------------------
|
|
|
|
//----------------- IListBox -----------------------------------------------------------------------
|
|
|
|
namespace {
|
|
|
|
// Unnamed namespace hides local IListBox interface.
|
|
// IListBox is used to cross languages to send events from Objective C++
|
|
// AutoCompletionDelegate and AutoCompletionDataSource to C++ ListBoxImpl.
|
|
|
|
class IListBox {
|
|
public:
|
|
virtual int Rows() = 0;
|
|
virtual NSImage *ImageForRow(NSInteger row) = 0;
|
|
virtual NSString *TextForRow(NSInteger row) = 0;
|
|
virtual void DoubleClick() = 0;
|
|
virtual void SelectionChange() = 0;
|
|
};
|
|
|
|
}
|
|
|
|
//----------------- AutoCompletionDelegate ---------------------------------------------------------
|
|
|
|
// AutoCompletionDelegate is an Objective C++ class so it can implement
|
|
// NSTableViewDelegate and receive tableViewSelectionDidChange events.
|
|
|
|
@interface AutoCompletionDelegate : NSObject <NSTableViewDelegate> {
|
|
IListBox *box;
|
|
}
|
|
|
|
@property IListBox *box;
|
|
|
|
@end
|
|
|
|
@implementation AutoCompletionDelegate
|
|
|
|
@synthesize box;
|
|
|
|
- (void) tableViewSelectionDidChange: (NSNotification *) notification {
|
|
#pragma unused(notification)
|
|
if (box) {
|
|
box->SelectionChange();
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
//----------------- AutoCompletionDataSource -------------------------------------------------------
|
|
|
|
// AutoCompletionDataSource provides data to display in the list box.
|
|
// It is also the target of the NSTableView so it receives double clicks.
|
|
|
|
@interface AutoCompletionDataSource : NSObject <NSTableViewDataSource> {
|
|
IListBox *box;
|
|
}
|
|
|
|
@property IListBox *box;
|
|
|
|
@end
|
|
|
|
@implementation AutoCompletionDataSource
|
|
|
|
@synthesize box;
|
|
|
|
- (void) doubleClick: (id) sender {
|
|
#pragma unused(sender)
|
|
if (box) {
|
|
box->DoubleClick();
|
|
}
|
|
}
|
|
|
|
- (id) tableView: (NSTableView *) aTableView objectValueForTableColumn: (NSTableColumn *) aTableColumn row: (NSInteger) rowIndex {
|
|
#pragma unused(aTableView)
|
|
if (!box)
|
|
return nil;
|
|
if ([(NSString *)aTableColumn.identifier isEqualToString: @"icon"]) {
|
|
return box->ImageForRow(rowIndex);
|
|
} else {
|
|
return box->TextForRow(rowIndex);
|
|
}
|
|
}
|
|
|
|
- (void) tableView: (NSTableView *) aTableView setObjectValue: anObject forTableColumn: (NSTableColumn *) aTableColumn row: (NSInteger) rowIndex {
|
|
#pragma unused(aTableView)
|
|
#pragma unused(anObject)
|
|
#pragma unused(aTableColumn)
|
|
#pragma unused(rowIndex)
|
|
}
|
|
|
|
- (NSInteger) numberOfRowsInTableView: (NSTableView *) aTableView {
|
|
#pragma unused(aTableView)
|
|
if (!box)
|
|
return 0;
|
|
return box->Rows();
|
|
}
|
|
|
|
@end
|
|
|
|
//----------------- ListBoxImpl --------------------------------------------------------------------
|
|
|
|
namespace { // unnamed namespace hides ListBoxImpl and associated classes
|
|
|
|
struct RowData {
|
|
int type;
|
|
std::string text;
|
|
RowData(int type_, const char *text_) :
|
|
type(type_), text(text_) {
|
|
}
|
|
};
|
|
|
|
class LinesData {
|
|
std::vector<RowData> lines;
|
|
public:
|
|
LinesData() {
|
|
}
|
|
~LinesData() {
|
|
}
|
|
int Length() const {
|
|
return static_cast<int>(lines.size());
|
|
}
|
|
void Clear() {
|
|
lines.clear();
|
|
}
|
|
void Add(int /* index */, int type, char *str) {
|
|
lines.push_back(RowData(type, str));
|
|
}
|
|
int GetType(size_t index) const {
|
|
if (index < lines.size()) {
|
|
return lines[index].type;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
const char *GetString(size_t index) const {
|
|
if (index < lines.size()) {
|
|
return lines[index].text.c_str();
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
};
|
|
|
|
class ListBoxImpl : public ListBox, IListBox {
|
|
private:
|
|
NSMutableDictionary *images;
|
|
int lineHeight;
|
|
bool unicodeMode;
|
|
int desiredVisibleRows;
|
|
XYPOSITION maxItemWidth;
|
|
unsigned int aveCharWidth;
|
|
XYPOSITION maxIconWidth;
|
|
std::unique_ptr<Font> font;
|
|
int maxWidth;
|
|
|
|
NSTableView *table;
|
|
NSScrollView *scroller;
|
|
NSTableColumn *colIcon;
|
|
NSTableColumn *colText;
|
|
AutoCompletionDataSource *ds;
|
|
AutoCompletionDelegate *acd;
|
|
|
|
LinesData ld;
|
|
IListBoxDelegate *delegate;
|
|
|
|
public:
|
|
ListBoxImpl() :
|
|
images(nil),
|
|
lineHeight(10),
|
|
unicodeMode(false),
|
|
desiredVisibleRows(5),
|
|
maxItemWidth(0),
|
|
aveCharWidth(8),
|
|
maxIconWidth(0),
|
|
maxWidth(2000),
|
|
table(nil),
|
|
scroller(nil),
|
|
colIcon(nil),
|
|
colText(nil),
|
|
ds(nil),
|
|
acd(nil),
|
|
delegate(nullptr) {
|
|
images = [[NSMutableDictionary alloc] init];
|
|
}
|
|
~ListBoxImpl() override {
|
|
}
|
|
|
|
// ListBox methods
|
|
void SetFont(const Font *font_) override;
|
|
void Create(Window &parent, int ctrlID, Scintilla::Internal::Point pt, int lineHeight_, bool unicodeMode_, Technology technology_) override;
|
|
void SetAverageCharWidth(int width) override;
|
|
void SetVisibleRows(int rows) override;
|
|
int GetVisibleRows() const override;
|
|
PRectangle GetDesiredRect() override;
|
|
int CaretFromEdge() override;
|
|
void Clear() noexcept override;
|
|
void Append(char *s, int type = -1) override;
|
|
int Length() override;
|
|
void Select(int n) override;
|
|
int GetSelection() override;
|
|
int Find(const char *prefix) override;
|
|
std::string GetValue(int n) override;
|
|
void RegisterImage(int type, const char *xpm_data) override;
|
|
void RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage) override;
|
|
void ClearRegisteredImages() override;
|
|
void SetDelegate(IListBoxDelegate *lbDelegate) override {
|
|
delegate = lbDelegate;
|
|
}
|
|
void SetList(const char *list, char separator, char typesep) override;
|
|
void SetOptions(ListOptions options_) override;
|
|
|
|
// To clean up when closed
|
|
void ReleaseViews();
|
|
|
|
// For access from AutoCompletionDataSource implement IListBox
|
|
int Rows() override;
|
|
NSImage *ImageForRow(NSInteger row) override;
|
|
NSString *TextForRow(NSInteger row) override;
|
|
void DoubleClick() override;
|
|
void SelectionChange() override;
|
|
};
|
|
|
|
void ListBoxImpl::Create(Window & /*parent*/, int /*ctrlID*/, Scintilla::Internal::Point pt,
|
|
int lineHeight_, bool unicodeMode_, Technology) {
|
|
lineHeight = lineHeight_;
|
|
unicodeMode = unicodeMode_;
|
|
maxWidth = 2000;
|
|
|
|
NSRect lbRect = NSMakeRect(pt.x, pt.y, 120, lineHeight * desiredVisibleRows);
|
|
NSWindow *winLB = [[NSWindow alloc] initWithContentRect: lbRect
|
|
styleMask: NSWindowStyleMaskBorderless
|
|
backing: NSBackingStoreBuffered
|
|
defer: NO];
|
|
[winLB setLevel: NSModalPanelWindowLevel+1];
|
|
[winLB setHasShadow: YES];
|
|
NSRect scRect = NSMakeRect(0, 0, lbRect.size.width, lbRect.size.height);
|
|
scroller = [[NSScrollView alloc] initWithFrame: scRect];
|
|
[scroller setHasVerticalScroller: YES];
|
|
table = [[NSTableView alloc] initWithFrame: scRect];
|
|
[table setHeaderView: nil];
|
|
scroller.documentView = table;
|
|
colIcon = [[NSTableColumn alloc] initWithIdentifier: @"icon"];
|
|
colIcon.width = 20;
|
|
[colIcon setEditable: NO];
|
|
[colIcon setHidden: YES];
|
|
NSImageCell *imCell = [[NSImageCell alloc] init];
|
|
colIcon.dataCell = imCell;
|
|
[table addTableColumn: colIcon];
|
|
colText = [[NSTableColumn alloc] initWithIdentifier: @"name"];
|
|
colText.resizingMask = NSTableColumnAutoresizingMask;
|
|
[colText setEditable: NO];
|
|
[table addTableColumn: colText];
|
|
ds = [[AutoCompletionDataSource alloc] init];
|
|
ds.box = this;
|
|
table.dataSource = ds; // Weak reference
|
|
acd = [[AutoCompletionDelegate alloc] init];
|
|
[acd setBox: this];
|
|
table.delegate = acd;
|
|
scroller.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
|
|
[winLB.contentView addSubview: scroller];
|
|
|
|
table.target = ds;
|
|
table.doubleAction = @selector(doubleClick:);
|
|
table.selectionHighlightStyle = NSTableViewSelectionHighlightStyleSourceList;
|
|
|
|
if (@available(macOS 11.0, *)) {
|
|
[table setStyle: NSTableViewStylePlain];
|
|
}
|
|
|
|
wid = (__bridge_retained WindowID)winLB;
|
|
}
|
|
|
|
void ListBoxImpl::SetFont(const Font *font_) {
|
|
// NSCell setFont takes an NSFont* rather than a CTFontRef but they
|
|
// are the same thing toll-free bridged.
|
|
QuartzTextStyle *style = TextStyleFromFont(font_);
|
|
font = std::make_unique<FontQuartz>(style);
|
|
NSFont *pfont = (__bridge NSFont *)style->getFontRef();
|
|
[colText.dataCell setFont: pfont];
|
|
CGFloat itemHeight = std::ceil(pfont.boundingRectForFont.size.height);
|
|
table.rowHeight = itemHeight;
|
|
}
|
|
|
|
void ListBoxImpl::SetAverageCharWidth(int width) {
|
|
aveCharWidth = width;
|
|
}
|
|
|
|
void ListBoxImpl::SetVisibleRows(int rows) {
|
|
desiredVisibleRows = rows;
|
|
}
|
|
|
|
int ListBoxImpl::GetVisibleRows() const {
|
|
return desiredVisibleRows;
|
|
}
|
|
|
|
PRectangle ListBoxImpl::GetDesiredRect() {
|
|
PRectangle rcDesired;
|
|
rcDesired = GetPosition();
|
|
|
|
CGFloat itemHeight;
|
|
if (@available(macOS 11.0, *)) {
|
|
itemHeight = table.rowHeight;
|
|
} else {
|
|
// There appears to be an extra pixel above and below the row contents
|
|
itemHeight = table.rowHeight + 2;
|
|
}
|
|
|
|
int rows = Length();
|
|
if ((rows == 0) || (rows > desiredVisibleRows))
|
|
rows = desiredVisibleRows;
|
|
|
|
rcDesired.bottom = rcDesired.top + static_cast<XYPOSITION>(itemHeight * rows);
|
|
rcDesired.right = rcDesired.left + maxItemWidth + aveCharWidth;
|
|
rcDesired.right += 4; // Ensures no truncation of text
|
|
|
|
if (Length() > rows) {
|
|
[scroller setHasVerticalScroller: YES];
|
|
rcDesired.right += [NSScroller scrollerWidthForControlSize: NSControlSizeRegular
|
|
scrollerStyle: NSScrollerStyleLegacy];
|
|
} else {
|
|
[scroller setHasVerticalScroller: NO];
|
|
}
|
|
rcDesired.right += maxIconWidth;
|
|
rcDesired.right += 6; // For icon space
|
|
|
|
return rcDesired;
|
|
}
|
|
|
|
int ListBoxImpl::CaretFromEdge() {
|
|
if (colIcon.hidden)
|
|
return 3;
|
|
else
|
|
return 6 + static_cast<int>(colIcon.width);
|
|
}
|
|
|
|
void ListBoxImpl::ReleaseViews() {
|
|
[table setDataSource: nil];
|
|
table = nil;
|
|
scroller = nil;
|
|
colIcon = nil;
|
|
colText = nil;
|
|
acd = nil;
|
|
ds = nil;
|
|
}
|
|
|
|
void ListBoxImpl::Clear() noexcept {
|
|
maxItemWidth = 0;
|
|
maxIconWidth = 0;
|
|
ld.Clear();
|
|
}
|
|
|
|
void ListBoxImpl::Append(char *s, int type) {
|
|
int count = Length();
|
|
ld.Add(count, type, s);
|
|
|
|
Scintilla::Internal::SurfaceImpl surface;
|
|
XYPOSITION width = surface.WidthText(font.get(), s);
|
|
if (width > maxItemWidth) {
|
|
maxItemWidth = width;
|
|
colText.width = maxItemWidth;
|
|
}
|
|
NSImage *img = images[@(type)];
|
|
if (img) {
|
|
XYPOSITION widthIcon = img.size.width;
|
|
if (widthIcon > maxIconWidth) {
|
|
[colIcon setHidden: NO];
|
|
maxIconWidth = widthIcon;
|
|
colIcon.width = maxIconWidth;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ListBoxImpl::SetList(const char *list, char separator, char typesep) {
|
|
Clear();
|
|
size_t count = strlen(list) + 1;
|
|
std::vector<char> words(list, list+count);
|
|
char *startword = words.data();
|
|
char *numword = nullptr;
|
|
int i = 0;
|
|
for (; words[i]; i++) {
|
|
if (words[i] == separator) {
|
|
words[i] = '\0';
|
|
if (numword)
|
|
*numword = '\0';
|
|
Append(startword, numword?atoi(numword + 1):-1);
|
|
startword = words.data() + i + 1;
|
|
numword = nullptr;
|
|
} else if (words[i] == typesep) {
|
|
numword = words.data() + i;
|
|
}
|
|
}
|
|
if (startword) {
|
|
if (numword)
|
|
*numword = '\0';
|
|
Append(startword, numword?atoi(numword + 1):-1);
|
|
}
|
|
[table reloadData];
|
|
}
|
|
|
|
void ListBoxImpl::SetOptions(ListOptions) {
|
|
}
|
|
|
|
int ListBoxImpl::Length() {
|
|
return ld.Length();
|
|
}
|
|
|
|
void ListBoxImpl::Select(int n) {
|
|
[table selectRowIndexes: [NSIndexSet indexSetWithIndex: n] byExtendingSelection: NO];
|
|
[table scrollRowToVisible: n];
|
|
}
|
|
|
|
int ListBoxImpl::GetSelection() {
|
|
return static_cast<int>(table.selectedRow);
|
|
}
|
|
|
|
int ListBoxImpl::Find(const char *prefix) {
|
|
int count = Length();
|
|
for (int i = 0; i < count; i++) {
|
|
const char *s = ld.GetString(i);
|
|
if (s && (s[0] != '\0') && (0 == strncmp(prefix, s, strlen(prefix)))) {
|
|
return i;
|
|
}
|
|
}
|
|
return - 1;
|
|
}
|
|
|
|
std::string ListBoxImpl::GetValue(int n) {
|
|
const char *textString = ld.GetString(n);
|
|
if (textString) {
|
|
return textString;
|
|
}
|
|
return std::string();
|
|
}
|
|
|
|
void ListBoxImpl::RegisterImage(int type, const char *xpm_data) {
|
|
XPM xpm(xpm_data);
|
|
NSImage *img = ImageFromXPM(&xpm);
|
|
images[@(type)] = img;
|
|
}
|
|
|
|
void ListBoxImpl::RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage) {
|
|
CGImageRef imageRef = ImageCreateFromRGBA(width, height, pixelsImage, false);
|
|
NSImage *img = [[NSImage alloc] initWithCGImage: imageRef size: NSZeroSize];
|
|
CGImageRelease(imageRef);
|
|
images[@(type)] = img;
|
|
}
|
|
|
|
void ListBoxImpl::ClearRegisteredImages() {
|
|
[images removeAllObjects];
|
|
}
|
|
|
|
int ListBoxImpl::Rows() {
|
|
return ld.Length();
|
|
}
|
|
|
|
NSImage *ListBoxImpl::ImageForRow(NSInteger row) {
|
|
return images[@(ld.GetType(row))];
|
|
}
|
|
|
|
NSString *ListBoxImpl::TextForRow(NSInteger row) {
|
|
const char *textString = ld.GetString(row);
|
|
NSString *sTitle;
|
|
if (unicodeMode)
|
|
sTitle = @(textString);
|
|
else
|
|
sTitle = [NSString stringWithCString: textString encoding: NSWindowsCP1252StringEncoding];
|
|
return sTitle;
|
|
}
|
|
|
|
void ListBoxImpl::DoubleClick() {
|
|
if (delegate) {
|
|
ListBoxEvent event(ListBoxEvent::EventType::doubleClick);
|
|
delegate->ListNotify(&event);
|
|
}
|
|
}
|
|
|
|
void ListBoxImpl::SelectionChange() {
|
|
if (delegate) {
|
|
ListBoxEvent event(ListBoxEvent::EventType::selectionChange);
|
|
delegate->ListNotify(&event);
|
|
}
|
|
}
|
|
|
|
} // unnamed namespace
|
|
|
|
//----------------- ListBox ------------------------------------------------------------------------
|
|
|
|
// ListBox is implemented by the ListBoxImpl class.
|
|
|
|
ListBox::ListBox() noexcept {
|
|
}
|
|
|
|
ListBox::~ListBox() noexcept {
|
|
}
|
|
|
|
std::unique_ptr<ListBox> ListBox::Allocate() {
|
|
return std::make_unique<ListBoxImpl>();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Window::Destroy() noexcept {
|
|
ListBoxImpl *listbox = dynamic_cast<ListBoxImpl *>(this);
|
|
if (listbox) {
|
|
listbox->ReleaseViews();
|
|
}
|
|
if (wid) {
|
|
id idWin = (__bridge id)(wid);
|
|
if ([idWin isKindOfClass: [NSWindow class]]) {
|
|
[idWin close];
|
|
}
|
|
}
|
|
wid = nullptr;
|
|
}
|
|
|
|
|
|
//----------------- ScintillaContextMenu -----------------------------------------------------------
|
|
|
|
@implementation ScintillaContextMenu :
|
|
NSMenu
|
|
|
|
// This NSMenu subclass serves also as target for menu commands and forwards them as
|
|
// notification messages to the front end.
|
|
|
|
- (void) handleCommand: (NSMenuItem *) sender {
|
|
owner->HandleCommand(sender.tag);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) setOwner: (Scintilla::Internal::ScintillaCocoa *) newOwner {
|
|
owner = newOwner;
|
|
}
|
|
|
|
@end
|
|
|
|
//----------------- Menu ---------------------------------------------------------------------------
|
|
|
|
Menu::Menu() noexcept
|
|
: mid(0) {
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Menu::CreatePopUp() {
|
|
Destroy();
|
|
mid = (__bridge_retained MenuID)[[ScintillaContextMenu alloc] initWithTitle: @""];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Menu::Destroy() noexcept {
|
|
CFBridgingRelease(mid);
|
|
mid = nullptr;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Menu::Show(Point, const Window &) {
|
|
// Cocoa menus are handled a bit differently. We only create the menu. The framework
|
|
// takes care to show it properly.
|
|
}
|
|
|
|
//----------------- Platform -----------------------------------------------------------------------
|
|
|
|
ColourRGBA Platform::Chrome() {
|
|
return ColourRGBA(0xE0, 0xE0, 0xE0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
ColourRGBA Platform::ChromeHighlight() {
|
|
return ColourRGBA(0xFF, 0xFF, 0xFF);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Returns the currently set system font for the user.
|
|
*/
|
|
const char *Platform::DefaultFont() {
|
|
return "Menlo-Regular";
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Returns the currently set system font size for the user.
|
|
*/
|
|
int Platform::DefaultFontSize() {
|
|
return 11;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Returns the time span in which two consecutive mouse clicks must occur to be considered as
|
|
* double click.
|
|
*
|
|
* @return time span in milliseconds
|
|
*/
|
|
unsigned int Platform::DoubleClickTime() {
|
|
NSTimeInterval threshold = NSEvent.doubleClickInterval;
|
|
if (threshold == 0)
|
|
threshold = 0.5;
|
|
return static_cast<unsigned int>(threshold * 1000.0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
//#define TRACE
|
|
#ifdef TRACE
|
|
|
|
void Platform::DebugDisplay(const char *s) noexcept {
|
|
fprintf(stderr, "%s", s);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Platform::DebugPrintf(const char *format, ...) noexcept {
|
|
const int BUF_SIZE = 2000;
|
|
char buffer[BUF_SIZE];
|
|
|
|
va_list pArguments;
|
|
va_start(pArguments, format);
|
|
vsnprintf(buffer, BUF_SIZE, format, pArguments);
|
|
va_end(pArguments);
|
|
Platform::DebugDisplay(buffer);
|
|
}
|
|
|
|
#else
|
|
|
|
void Platform::DebugDisplay(const char *) noexcept {}
|
|
|
|
void Platform::DebugPrintf(const char *, ...) noexcept {}
|
|
|
|
#endif
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
static bool assertionPopUps = true;
|
|
|
|
bool Platform::ShowAssertionPopUps(bool assertionPopUps_) noexcept {
|
|
bool ret = assertionPopUps;
|
|
assertionPopUps = assertionPopUps_;
|
|
return ret;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void Platform::Assert(const char *c, const char *file, int line) noexcept {
|
|
char buffer[2000];
|
|
snprintf(buffer, sizeof(buffer), "Assertion [%s] failed at %s %d\r\n", c, file, line);
|
|
Platform::DebugDisplay(buffer);
|
|
#ifdef DEBUG
|
|
// Jump into debugger in assert on Mac
|
|
pthread_kill(pthread_self(), SIGTRAP);
|
|
#endif
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|