[74] | 1 | //
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| 2 | // ICeCoffEETerminal.m
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| 3 | // ICeCoffEE
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| 4 | //
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| 5 | // Created by Nicholas Riley on Mon Jan 28 2002.
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| 6 | // Copyright (c) 2002 Nicholas Riley. All rights reserved.
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| 7 | //
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| 8 |
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| 9 | #import "ICeCoffEETerminal.h"
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| 10 | #import "ICeCoffEEScanner.h"
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| 11 | #import "ICeCoffEE.h"
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| 12 | #import <Carbon/Carbon.h>
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| 13 | #include <unistd.h>
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| 14 |
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| 15 | static NSRange ICCF_zeroRange = { NSNotFound, 5 };
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| 16 |
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| 17 | #define min(a,b) (a < b ? a : b)
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| 18 | #define max(a,b) (a > b ? a : b)
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| 19 |
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| 20 | @interface TermStorage:NSObject
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| 21 | - (struct _FSelPt)selPt0;
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| 22 | - (struct _FSelPt)selPt1;
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| 23 | - (BOOL)hasSelection;
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| 24 | - (void)startSelectionAtLine:(unsigned int)row column:(unsigned short)column;
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| 25 | - (void)startSelectionAtLine:(unsigned int)row offset:(unsigned short)offset;
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| 26 | - (void)endSelectionAtLine:(unsigned int)row offset:(unsigned short)offset;
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| 27 | - (void)selectWhitespaceDelimitedTextAtLine:(unsigned int)line offset:(unsigned short)offset;
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| 28 | - (void)selectWordAtLine:(unsigned int)line offset:(unsigned short)offset;
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| 29 | - (NSString *)selectedString;
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| 30 | - (unsigned int)numberOfLines;
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| 31 | - (unsigned int)effectiveColumnsForLine:(unsigned int)line;
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| 32 | - (void)clearSelection;
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| 33 | - (BOOL)isSelected:(unsigned int)line :(unsigned int)column;
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| 34 | @end
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| 35 |
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| 36 | @interface TermController:NSObject
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| 37 | - (TermStorage *)storage;
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| 38 | @end
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| 39 |
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| 40 | @implementation ICECoffEETermSubviewSuper
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| 41 | // NSTextInput implementation
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| 42 | - (void)insertText:(id)aString {}
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| 43 | - (void)doCommandBySelector:(SEL)aSelector {}
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| 44 | - (void)setMarkedText:(id)aString selectedRange:(NSRange)selRange {}
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| 45 | - (void)unmarkText {}
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| 46 | - (BOOL)hasMarkedText { return NO; }
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| 47 | - (long)conversationIdentifier { return 0; }
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| 48 | - (NSAttributedString *)attributedSubstringFromRange:(NSRange)theRange { return nil; }
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| 49 | - (NSRange)markedRange { return ICCF_zeroRange; }
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| 50 | - (NSRange)selectedRange { return ICCF_zeroRange; }
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| 51 | - (NSRect)firstRectForCharacterRange:(NSRange)theRange { return NSZeroRect; }
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| 52 | - (unsigned int)characterIndexForPoint:(NSPoint)thePoint { return 0; }
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| 53 | - (NSArray*)validAttributesForMarkedText { return nil; }
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| 54 |
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[139] | 55 | // NSDraggingDestination
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| 56 | - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender { return NSDragOperationNone; }
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| 57 | - (void)draggingExited:(id <NSDraggingInfo>)sender {}
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| 58 |
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| 59 | // misc. other stuff
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[74] | 60 | - (void)_optionClickEvent:(NSEvent *)event:(unsigned int)row:(unsigned short)column {}
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| 61 | - (void)setNeedsDisplay; {}
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| 62 |
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| 63 | @end
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| 64 |
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| 65 | @interface ICeCoffEETerminalRange : NSObject
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| 66 | {
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| 67 | TermStorage *storage;
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| 68 | struct _FSelPt pt0;
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| 69 | struct _FSelPt pt1;
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| 70 | unsigned int width;
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| 71 | unsigned int height;
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| 72 | }
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| 73 |
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| 74 | + (ICeCoffEETerminalRange *)rangeWithTerminal:(ICeCoffEETerminal *)terminal;
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| 75 | + (ICeCoffEETerminalRange *)rangeWithTerminal:(ICeCoffEETerminal *)terminal pt0:(struct _FSelPt)selPt0 pt1:(struct _FSelPt)selPt1;
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| 76 |
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| 77 | - (id)initWithTerminal:(ICeCoffEETerminal *)terminal;
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| 78 | - (id)initWithTerminal:(ICeCoffEETerminal *)terminal pt0:(struct _FSelPt)selPt0 pt1:(struct _FSelPt)selPt1;
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| 79 |
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| 80 | - (struct _FSelPt)pt0;
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| 81 | - (struct _FSelPt)pt1;
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| 82 |
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| 83 | - (NSString *)stringFromRange;
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| 84 |
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| 85 | - (void)growBackwardByLength:(unsigned long)length;
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| 86 | - (void)growForwardByLength:(unsigned long)length;
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| 87 |
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| 88 | - (void)shrinkBackByLength:(unsigned long)length;
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| 89 | - (void)shrinkFrontByLength:(unsigned long)length;
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| 90 |
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| 91 | - (BOOL)rangeIsEmpty;
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| 92 |
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| 93 | - (void)select;
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| 94 |
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| 95 | @end
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| 96 |
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| 97 | @implementation ICeCoffEETerminalRange
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| 98 |
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| 99 | + (ICeCoffEETerminalRange *)rangeWithTerminal:(ICeCoffEETerminal *)terminal;
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| 100 | {
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| 101 | return [[[self alloc] initWithTerminal: terminal] autorelease];
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| 102 | }
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| 103 |
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| 104 | + (ICeCoffEETerminalRange *)rangeWithTerminal:(ICeCoffEETerminal *)terminal pt0:(struct _FSelPt)selPt0 pt1:(struct _FSelPt)selPt1;
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| 105 | {
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| 106 | return [[[self alloc] initWithTerminal: terminal pt0: selPt0 pt1: selPt1] autorelease];
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| 107 | }
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| 108 |
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| 109 | - (id)initWithTerminal:(ICeCoffEETerminal *)terminal;
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| 110 | {
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| 111 | if ( (self = [self init]) != nil) {
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| 112 | storage = [(TermController *)[terminal valueForKey: @"controller"] storage];
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| 113 | pt0 = [storage selPt0];
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| 114 | pt1 = [storage selPt1];
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| 115 | width = [storage effectiveColumnsForLine: pt0.line];
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| 116 | height = [storage numberOfLines];
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| 117 | }
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| 118 | return self;
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| 119 | }
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| 120 |
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| 121 | - (id)initWithTerminal:(ICeCoffEETerminal *)terminal pt0:(struct _FSelPt)selPt0 pt1:(struct _FSelPt)selPt1;
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| 122 | {
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| 123 | if ( (self = [self initWithTerminal: terminal]) != nil) {
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| 124 | pt0 = selPt0;
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| 125 | pt1 = selPt1;
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| 126 | }
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| 127 | return self;
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| 128 | }
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| 129 |
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| 130 | - (struct _FSelPt)pt0;
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| 131 | {
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| 132 | return pt0;
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| 133 | }
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| 134 |
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| 135 | - (struct _FSelPt)pt1;
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| 136 | {
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| 137 | return pt1;
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| 138 | }
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| 139 |
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| 140 | - (NSString *)stringFromRange;
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| 141 | {
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| 142 | struct _FSelPt oldPt0 = [storage selPt0], oldPt1 = [storage selPt1];
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| 143 | NSString *str;
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| 144 |
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| 145 | [storage startSelectionAtLine: pt0.line offset: pt0.col];
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| 146 | [storage endSelectionAtLine: pt1.line offset: pt1.col];
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| 147 |
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| 148 | str = [storage selectedString];
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| 149 |
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| 150 | [storage startSelectionAtLine: oldPt0.line offset: oldPt0.col];
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| 151 | [storage endSelectionAtLine: oldPt1.line offset: oldPt1.col];
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| 152 |
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| 153 | return str;
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| 154 | }
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| 155 |
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| 156 | - (struct _FSelPt)_moveBack:(struct _FSelPt)pt byLength:(unsigned long)length;
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| 157 | {
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| 158 | unsigned int extraLines = length / width;
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| 159 | if ((long)(pt.line - extraLines) < 0) {
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| 160 | pt.line = 0;
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| 161 | pt.col = 0;
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| 162 | } else if (pt.line - extraLines == 0) {
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| 163 | pt.line = 0;
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| 164 | pt.col += width - (length % height);
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| 165 | if (pt.col < width) pt.col = 0;
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| 166 | else pt.col -= width;
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| 167 | } else {
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| 168 | pt.line -= extraLines;
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| 169 | pt.col += width - (length % height);
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| 170 | if (pt.col < width) pt.line--;
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| 171 | else pt.col -= width;
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| 172 | }
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| 173 | return pt;
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| 174 | }
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| 175 |
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| 176 | - (struct _FSelPt)_moveForward:(struct _FSelPt)pt byLength:(unsigned long)length;
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| 177 | {
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| 178 | unsigned int extraLines = length / width;
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| 179 | if (pt.line + extraLines >= height) {
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| 180 | pt.line = height - 1;
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| 181 | pt.col = width - 1;
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| 182 | } else if (pt.line + extraLines == height - 1) {
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| 183 | pt.line = height - 1;
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| 184 | pt.col += length % height;
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| 185 | if (pt.col >= width) pt.col = width - 1;
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| 186 | } else {
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| 187 | pt.line += extraLines;
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| 188 | pt.col = pt.col + (length % height);
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| 189 | if (pt.col > width) {
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| 190 | pt.line++;
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| 191 | pt.col -= width;
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| 192 | }
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| 193 | }
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| 194 | return pt;
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| 195 | }
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| 196 |
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| 197 | - (BOOL)rangeIsEmpty;
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| 198 | {
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| 199 | return (pt1.line < pt0.line) || (pt1.line == pt0.line && pt1.col <= pt0.col);
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| 200 | }
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| 201 |
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| 202 | - (void)growBackwardByLength:(unsigned long)length;
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| 203 | {
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| 204 | pt0 = [self _moveBack: pt0 byLength: length];
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| 205 | }
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| 206 |
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| 207 | - (void)growForwardByLength:(unsigned long)length;
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| 208 | {
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| 209 | pt1 = [self _moveForward: pt1 byLength: length];
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| 210 | }
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| 211 |
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| 212 | - (void)shrinkFrontByLength:(unsigned long)length;
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| 213 | {
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| 214 | pt0 = [self _moveForward: pt0 byLength: length];
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| 215 | }
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| 216 |
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| 217 | - (void)shrinkBackByLength:(unsigned long)length;
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| 218 | {
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| 219 | pt1 = [self _moveBack: pt1 byLength: length];
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| 220 | }
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| 221 |
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| 222 | - (void)select;
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| 223 | {
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| 224 | [storage startSelectionAtLine: pt0.line offset: pt0.col];
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| 225 | [storage endSelectionAtLine: pt1.line offset: pt1.col];
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| 226 | }
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| 227 |
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| 228 | - (NSString *)description;
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| 229 | {
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| 230 | return [NSString stringWithFormat: @"L%uC%hu - L%uC%hu: |%@|", pt0.line, pt0.col, pt1.line, pt1.col, [[self stringFromRange] stringByTrimmingCharactersInSet: [NSCharacterSet whitespaceAndNewlineCharacterSet]]];
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| 231 | }
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| 232 |
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| 233 | @end
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| 234 |
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| 235 | // TermSubview's NSTextInput implementation is essentially a noop: make one that does something
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| 236 | @implementation ICeCoffEETerminal // XXX normally in category (NSTextInput), but APE doesnÕt work if I do that
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| 237 |
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| 238 | - (NSRange)selectedRange {
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| 239 | TermStorage *storage = [(TermController *)[self valueForKey: @"controller"] storage];
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| 240 | struct _FSelPt selPt0 = [storage selPt0], selPt1 = [storage selPt1];
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| 241 | unsigned width = [storage effectiveColumnsForLine: selPt0.line];
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| 242 | unsigned pt0 = selPt0.line * width + selPt0.col;
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| 243 | ICLog(@"selPt0 %d x %d selPt1 %d x %d", selPt0.line, selPt0.col, selPt1.line, selPt1.col);
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| 244 | return NSMakeRange(pt0, selPt1.line * width + selPt1.col - pt0);
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| 245 | }
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| 246 |
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| 247 | // XXX string isn't padded: what we need is something like the ICeCoffEE 1.2.x method, adapted to Terminal 1.2, but we've chosen another way
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| 248 | - (NSAttributedString *)attributedSubstringFromRange:(NSRange)theRange;
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| 249 | {
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| 250 | TermStorage *storage = [(TermController *)[self valueForKey: @"controller"] storage];
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| 251 | struct _FSelPt oldPt0 = [storage selPt0], oldPt1 = [storage selPt1], realPt0, realPt1;
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| 252 | unsigned pt1 = theRange.location + theRange.length;
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| 253 | unsigned width = [storage effectiveColumnsForLine: 0];
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| 254 | NSAttributedString *str;
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| 255 |
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| 256 | realPt0.line = theRange.location / width;
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| 257 | realPt0.col = theRange.location % width;
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| 258 | realPt1.line = pt1 / width;
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| 259 | realPt1.col = pt1 % width;
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| 260 |
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| 261 | [storage startSelectionAtLine: realPt0.line offset: realPt0.col];
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| 262 | [storage endSelectionAtLine: realPt1.line offset: realPt1.col];
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| 263 |
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| 264 | str = [[NSAttributedString alloc] initWithString: [storage selectedString]];
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| 265 |
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| 266 | NSAssert2([str length] == theRange.length, @"Substring has length %lu when we expected %lu", [str length], theRange.length);
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| 267 |
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| 268 | [storage startSelectionAtLine: oldPt0.line offset: oldPt0.col];
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| 269 | [storage endSelectionAtLine: oldPt1.line offset: oldPt1.col];
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| 270 |
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| 271 | return [str autorelease];
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| 272 | }
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| 273 |
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| 274 | static NSEvent *ICCF_downEvent;
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| 275 | static unsigned int ICCF_line;
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| 276 | static unsigned short ICCF_col;
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| 277 | static BOOL ICCF_optionClickRegistered;
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| 278 |
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| 279 | - (void)setSelectedRange:(NSRange)charRange affinity:(NSSelectionAffinity)affinity stillSelecting:(BOOL)stillSelectingFlag;
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| 280 | {
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| 281 | TermStorage *storage = [(TermController *)[self valueForKey: @"controller"] storage];
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| 282 | unsigned width = [storage effectiveColumnsForLine: 0];
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| 283 | unsigned pt1 = charRange.location + charRange.length;
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| 284 | [storage startSelectionAtLine: charRange.location / width offset: charRange.location % width];
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| 285 | [storage endSelectionAtLine: pt1 / width offset: pt1 % width];
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| 286 | // [self refresh];
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| 287 | }
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| 288 |
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| 289 | void ICCF_LaunchURLFromTerminal(ICeCoffEETerminal *self) {
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| 290 | NSCharacterSet *urlLeftDelimiters = nil, *urlRightDelimiters = nil;
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| 291 |
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| 292 | ICeCoffEETerminalRange *termRange = nil, *selRange = nil;
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| 293 | NSString *s;
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| 294 | NSRange range, delimiterRange;
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| 295 |
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| 296 | NS_DURING
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| 297 |
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| 298 | TermStorage *storage = [(TermController *)[self valueForKey: @"controller"] storage];
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| 299 |
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| 300 | if ([storage hasSelection] && [storage isSelected: ICCF_line : ICCF_col]) {
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| 301 | selRange = [ICeCoffEETerminalRange rangeWithTerminal: self];
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| 302 | } else { // select something
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| 303 | [storage selectWordAtLine: ICCF_line offset: ICCF_col];
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| 304 | selRange = [ICeCoffEETerminalRange rangeWithTerminal: self];
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| 305 | NSCAssert(![selRange rangeIsEmpty], ICCF_LocalizedString(@"Sorry, ICeCoffEE was unable to find anything to select"));
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| 306 | }
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| 307 |
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| 308 | // However, word selection does not capture even the approximate boundaries of a URL
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| 309 | // (text to a space/line ending character); it'll stop at a period in the middle of a hostname.
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| 310 | // So, we expand it as follows:
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| 311 |
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| 312 | ICCF_Delimiters(&urlLeftDelimiters, &urlRightDelimiters);
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| 313 |
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| 314 | termRange = [ICeCoffEETerminalRange rangeWithTerminal: self pt0: [selRange pt0] pt1: [selRange pt0]];
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| 315 | // add 1 to range to trap delimiters that are on the edge of the selection (i.e., <...)
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| 316 | [termRange growForwardByLength: 1];
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| 317 | [termRange growBackwardByLength: ICCF_MAX_URL_LEN]; // potentially too big
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| 318 | s = [termRange stringFromRange];
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| 319 | ICLog(@"front %@", termRange);
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| 320 | delimiterRange = [s rangeOfCharacterFromSet: urlLeftDelimiters
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| 321 | options: NSLiteralSearch | NSBackwardsSearch];
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| 322 | if (delimiterRange.location == NSNotFound) {
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| 323 | // extend to beginning of string (as much as possible)
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| 324 | [selRange growBackwardByLength: [s length] - 1];
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| 325 | } else {
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| 326 | NSCAssert(delimiterRange.length == 1, @"Internal error: delimiter matched range is not of length 1");
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| 327 | [selRange growBackwardByLength: [s length] - delimiterRange.location - 2];
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| 328 | }
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| 329 |
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| 330 | ICLog(@"parsed front %@", selRange);
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| 331 |
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| 332 | termRange = [ICeCoffEETerminalRange rangeWithTerminal: self pt0: [selRange pt1] pt1: [selRange pt1]];
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| 333 | // subtract 1 from range to trap delimiters that are on the edge of the selection (i.e., ...>)
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| 334 | [termRange growBackwardByLength: 1];
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| 335 | [termRange growForwardByLength: ICCF_MAX_URL_LEN]; // potentially too big
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| 336 | s = [termRange stringFromRange];
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| 337 | ICLog(@"back %@", termRange);
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| 338 | delimiterRange = [s rangeOfCharacterFromSet: urlRightDelimiters
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| 339 | options: NSLiteralSearch];
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| 340 | if (delimiterRange.location == NSNotFound) {
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| 341 | // extend to end of string
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| 342 | [selRange growForwardByLength: [s length] - 1];
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| 343 | } else {
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| 344 | NSCAssert(delimiterRange.length == 1, @"Internal error: delimiter matched range is not of length 1");
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| 345 | [selRange growForwardByLength: delimiterRange.location - 1];
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| 346 | }
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| 347 |
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| 348 | ICCF_StartIC();
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| 349 |
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| 350 | s = [selRange stringFromRange];
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| 351 |
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| 352 | range = NSMakeRange(0, [s length]);
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| 353 |
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| 354 | ICCF_CheckRange(range);
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| 355 |
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| 356 | ICLog(@"parsed back %@", selRange);
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[139] | 357 | ICLog(@"range of string %@", NSStringFromRange(range));
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[74] | 358 | ICCF_ParseURL(s, &range);
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| 359 | ICLog(@"parsed range %@ |%@|", NSStringFromRange(range), [s substringWithRange: range]);
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| 360 |
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| 361 | [selRange shrinkFrontByLength: range.location];
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| 362 | [selRange shrinkBackByLength: [s length] - range.length - range.location];
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| 363 |
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| 364 | s = [selRange stringFromRange];
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| 365 | ICLog(@"reconstituted URL %@", selRange);
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| 366 |
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| 367 | [selRange select];
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| 368 | [self setNeedsDisplay];
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| 369 | [[self superview] display];
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| 370 |
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[106] | 371 | ICCF_LaunchURL(s, ICCF_KeyboardAction());
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[74] | 372 |
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| 373 | if (ICCF_prefs.textBlinkEnabled) {
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| 374 | int i;
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| 375 | // Terminal flashes the selection one more time, so blink one fewer
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| 376 | for (i = 1 ; i < ICCF_prefs.textBlinkCount ; i++) {
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| 377 | [storage clearSelection];
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| 378 | [self setNeedsDisplay];
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| 379 | [[self superview] display];
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| 380 | usleep(kICBlinkDelayUsecs);
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| 381 | [selRange select];
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| 382 | [self setNeedsDisplay];
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| 383 | [[self superview] display];
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| 384 | usleep(kICBlinkDelayUsecs);
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| 385 | }
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| 386 | }
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| 387 | NS_HANDLER
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| 388 | ICCF_HandleException(localException);
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| 389 | NS_ENDHANDLER
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| 390 |
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| 391 | ICCF_StopIC();
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| 392 | }
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| 393 |
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| 394 | - (void)_optionClickEvent:(NSEvent *)event:(unsigned int)row:(unsigned short)column;
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| 395 | {
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| 396 | if (ICCF_downEvent != nil) {
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| 397 | ICCF_line = row; // XXX are these lines or rows? check with wrapping
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| 398 | ICCF_col = column;
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| 399 | ICCF_optionClickRegistered = YES;
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| 400 | } else {
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| 401 | [super _optionClickEvent: event :row :column];
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| 402 | }
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| 403 | }
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| 404 |
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| 405 | - (void)mouseUp:(NSEvent *)upEvent;
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| 406 | {
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| 407 | ICLog(@"ICeCoffEE Terminal up: %@", upEvent);
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| 408 | [super mouseUp: upEvent];
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| 409 | if (ICCF_downEvent != nil) {
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| 410 | NSPoint downPt = [ICCF_downEvent locationInWindow];
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| 411 | NSPoint upPt = [upEvent locationInWindow];
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| 412 | [ICCF_downEvent release];
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| 413 | ICCF_downEvent = nil;
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| 414 | if (abs(downPt.x - upPt.x) <= kICHysteresisPixels && abs(downPt.y - upPt.y) <= kICHysteresisPixels) {
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| 415 | if (ICCF_optionClickRegistered) {
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| 416 | ICCF_optionClickRegistered = NO;
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| 417 | ICLog(@"========= launching... %d x %d", ICCF_line, ICCF_col);
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| 418 | ICCF_LaunchURLFromTerminal(self);
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| 419 | }
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| 420 | }
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| 421 | }
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| 422 | }
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| 423 |
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| 424 | - (void)mouseDown:(NSEvent *)downEvent;
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| 425 | {
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| 426 | if (ICCF_enabled && ICCF_prefs.commandClickEnabled && ICCF_EventIsCommandMouseDown(downEvent)) {
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| 427 | NSEvent *optionClickEvent = [NSEvent mouseEventWithType: NSLeftMouseDown location: [downEvent locationInWindow] modifierFlags: NSAlternateKeyMask timestamp: [downEvent timestamp] windowNumber: [downEvent windowNumber] context: [downEvent context] eventNumber: [downEvent eventNumber] clickCount: 1 pressure: 0];
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| 428 | [ICCF_downEvent release];
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| 429 | ICCF_downEvent = [downEvent retain];
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| 430 | ICLog(@"ICeCoffEE Terminal constructed: %@", optionClickEvent);
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| 431 | ICCF_optionClickRegistered = NO;
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| 432 | [super mouseDown: optionClickEvent];
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| 433 | } else {
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| 434 | [super mouseDown: downEvent];
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| 435 | }
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| 436 | }
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| 437 |
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[139] | 438 | // NSDraggingDestination
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| 439 | // -[TermSubview draggingUpdated:] just invokes draggingEntered...
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| 440 | // XXX Crashing on repeated drag snap-back can happen even without ICeCoffEE installed; don't bother to try to fix
|
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| 441 | - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender;
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| 442 | {
|
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| 443 | if ([sender draggingSource] != self || ([[NSApp currentEvent] modifierFlags] & NSAlternateKeyMask)) {
|
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| 444 | [super draggingEntered: sender];
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| 445 | // When doing non-self drags, this works around one bug in Terminal wherein the option key acts as a toggle, and it shouldn't (see Aqua HIG). Unfortunately, this messes up drag feedback for self drags, but I don't know of any way to fix it. Not that most Cocoa apps get it remotely right, anyway.
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| 446 | return NSDragOperationCopy;
|
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| 447 | }
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| 448 | return NSDragOperationNone;
|
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| 449 | }
|
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| 450 |
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[74] | 451 | @end
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