comparison: ui/cocoa/text.m
ui/cocoa/text.m
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2014 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #import <stdio.h> | |
| 30 #import <stdlib.h> | |
| 31 #import <string.h> | |
| 32 | |
| 33 #import "text.h" | |
| 34 #import "container.h" | |
| 35 | |
| 36 @implementation TextChangeMgr | |
| 37 | |
| 38 - (TextChangeMgr*)initWithValue:(UiText*)text context:(UiContext*)ctx { | |
| 39 value = text; | |
| 40 context = ctx; | |
| 41 last_length = 0; | |
| 42 return self; | |
| 43 } | |
| 44 | |
| 45 - (NSUndoManager*)undoManagerForTextView:(NSTextView*)textview { | |
| 46 return (NSUndoManager*)value->undomgr; | |
| 47 } | |
| 48 | |
| 49 - (NSRange)textView:(NSTextView *)textview | |
| 50 willChangeSelectionFromCharacterRange:(NSRange)oldrange | |
| 51 toCharacterRange:(NSRange)newrange | |
| 52 { | |
| 53 if(newrange.length != last_length) { | |
| 54 if(newrange.length == 0) { | |
| 55 ui_unset_group(context, UI_GROUP_SELECTION); | |
| 56 } else { | |
| 57 ui_set_group(context, UI_GROUP_SELECTION); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 last_length = newrange.length; | |
| 62 return newrange; | |
| 63 } | |
| 64 | |
| 65 @end | |
| 66 | |
| 67 | |
| 68 UIWIDGET ui_textarea(UiObject *obj, UiText *value) { | |
| 69 UiContainer *ct = uic_get_current_container(obj); | |
| 70 | |
| 71 NSRect frame = ct->getframe(ct); | |
| 72 | |
| 73 NSScrollView *scrollview = [[NSScrollView alloc] initWithFrame:frame]; | |
| 74 [scrollview setHasVerticalScroller:YES]; | |
| 75 //[scrollvew setHasHorizontalScroller:YES]; | |
| 76 [scrollview setBorderType:NSNoBorder]; | |
| 77 //[scrollview setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable]; | |
| 78 | |
| 79 //frame.size.width = frame.size.width - 15; | |
| 80 NSTextView *textview = [[NSTextView alloc]initWithFrame:frame]; | |
| 81 [textview setAllowsUndo:TRUE]; | |
| 82 [textview setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable]; | |
| 83 | |
| 84 [textview setFont:[NSFont fontWithName:@"Menlo" size:12]]; | |
| 85 | |
| 86 [scrollview setDocumentView:textview]; | |
| 87 | |
| 88 ct->add(ct, scrollview); | |
| 89 | |
| 90 // bind value | |
| 91 if(value) { | |
| 92 value->get = ui_textarea_get; | |
| 93 value->set = ui_textarea_set; | |
| 94 value->getsubstr = ui_textarea_getsubstr; | |
| 95 value->insert = ui_textarea_insert; | |
| 96 value->position = ui_textarea_position; | |
| 97 value->selection = ui_textarea_selection; | |
| 98 value->length = ui_textarea_length; | |
| 99 value->value = NULL; | |
| 100 value->obj = textview; | |
| 101 | |
| 102 TextChangeMgr *delegate = [[TextChangeMgr alloc]initWithValue:value context:obj->ctx]; | |
| 103 [textview setDelegate:delegate]; | |
| 104 | |
| 105 NSUndoManager *undomgr = [[NSUndoManager alloc]init]; | |
| 106 value->undomgr = undomgr; | |
| 107 } | |
| 108 | |
| 109 return textview; | |
| 110 } | |
| 111 | |
| 112 char* ui_textarea_get(UiText *text) { | |
| 113 if(text->value) { | |
| 114 free(text->value); | |
| 115 } | |
| 116 NSTextView *textview = (NSTextView*)text->obj; | |
| 117 NSString *str = [[textview textStorage]string]; | |
| 118 size_t length = [str lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; | |
| 119 const char *cstr = [str UTF8String]; | |
| 120 char *value = malloc(length + 1); | |
| 121 memcpy(value, cstr, length); | |
| 122 value[length] = '\0'; | |
| 123 text->value = value; | |
| 124 return value; | |
| 125 } | |
| 126 | |
| 127 void ui_textarea_set(UiText *text, char *str) { | |
| 128 if(text->value) { | |
| 129 free(text->value); | |
| 130 } | |
| 131 NSTextView *textview = (NSTextView*)text->obj; | |
| 132 NSString *s = [[NSString alloc]initWithUTF8String:str]; | |
| 133 NSAttributedString *as = [[NSAttributedString alloc]initWithString:s]; | |
| 134 [[textview textStorage] setAttributedString:as]; | |
| 135 text->value = NULL; | |
| 136 } | |
| 137 | |
| 138 char* ui_textarea_getsubstr(UiText *text, int begin, int end) { | |
| 139 if(text->value) { | |
| 140 free(text->value); | |
| 141 } | |
| 142 NSTextView *textview = (NSTextView*)text->obj; | |
| 143 NSString *str = [[textview textStorage]string]; | |
| 144 NSRange range; | |
| 145 range.location = begin; | |
| 146 range.length = end - begin; | |
| 147 | |
| 148 NSString *substr = [str substringWithRange:range]; | |
| 149 size_t length = [substr lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; | |
| 150 const char *cstr = [substr UTF8String]; | |
| 151 char *value = malloc(length + 1); | |
| 152 memcpy(value, cstr, length); | |
| 153 value[length] = '\0'; | |
| 154 text->value = value; | |
| 155 return value; | |
| 156 } | |
| 157 | |
| 158 void ui_textarea_insert(UiText *text, int pos, char *str) { | |
| 159 if(text->value) { | |
| 160 free(text->value); | |
| 161 } | |
| 162 NSTextView *textview = (NSTextView*)text->obj; | |
| 163 NSString *s = [[NSString alloc]initWithUTF8String:str]; | |
| 164 NSAttributedString *as = [[NSAttributedString alloc]initWithString:s]; | |
| 165 [[textview textStorage] insertAttributedString:as atIndex: pos]; | |
| 166 text->value = NULL; | |
| 167 } | |
| 168 | |
| 169 int ui_textarea_position(UiText *text) { | |
| 170 return [[[(NSTextView*)text->obj selectedRanges] objectAtIndex:0] rangeValue].location; | |
| 171 } | |
| 172 | |
| 173 void ui_textarea_selection(UiText *text, int *begin, int *end) { | |
| 174 NSRange range = [[[(NSTextView*)text->obj selectedRanges] objectAtIndex:0] rangeValue]; | |
| 175 *begin = range.location; | |
| 176 *end = range.location + range.length; | |
| 177 } | |
| 178 | |
| 179 int ui_textarea_length(UiText *text) { | |
| 180 return [[(NSTextView*)text->obj textStorage] length]; | |
| 181 } | |
| 182 | |
| 183 void ui_text_undo(UiText *text) { | |
| 184 [(NSUndoManager*)text->undomgr undo]; | |
| 185 } | |
| 186 | |
| 187 void ui_text_redo(UiText *text) { | |
| 188 [(NSUndoManager*)text->undomgr redo]; | |
| 189 } | |
| 190 |
