--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/cocoa/text.m Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,190 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2014 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <stdio.h>
+#import <stdlib.h>
+#import <string.h>
+
+#import "text.h"
+#import "container.h"
+
+@implementation TextChangeMgr
+
+- (TextChangeMgr*)initWithValue:(UiText*)text context:(UiContext*)ctx {
+ value = text;
+ context = ctx;
+ last_length = 0;
+ return self;
+}
+
+- (NSUndoManager*)undoManagerForTextView:(NSTextView*)textview {
+ return (NSUndoManager*)value->undomgr;
+}
+
+- (NSRange)textView:(NSTextView *)textview
+ willChangeSelectionFromCharacterRange:(NSRange)oldrange
+ toCharacterRange:(NSRange)newrange
+{
+ if(newrange.length != last_length) {
+ if(newrange.length == 0) {
+ ui_unset_group(context, UI_GROUP_SELECTION);
+ } else {
+ ui_set_group(context, UI_GROUP_SELECTION);
+ }
+ }
+
+ last_length = newrange.length;
+ return newrange;
+}
+
+@end
+
+
+UIWIDGET ui_textarea(UiObject *obj, UiText *value) {
+ UiContainer *ct = uic_get_current_container(obj);
+
+ NSRect frame = ct->getframe(ct);
+
+ NSScrollView *scrollview = [[NSScrollView alloc] initWithFrame:frame];
+ [scrollview setHasVerticalScroller:YES];
+ //[scrollvew setHasHorizontalScroller:YES];
+ [scrollview setBorderType:NSNoBorder];
+ //[scrollview setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable];
+
+ //frame.size.width = frame.size.width - 15;
+ NSTextView *textview = [[NSTextView alloc]initWithFrame:frame];
+ [textview setAllowsUndo:TRUE];
+ [textview setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable];
+
+ [textview setFont:[NSFont fontWithName:@"Menlo" size:12]];
+
+ [scrollview setDocumentView:textview];
+
+ ct->add(ct, scrollview);
+
+ // bind value
+ if(value) {
+ value->get = ui_textarea_get;
+ value->set = ui_textarea_set;
+ value->getsubstr = ui_textarea_getsubstr;
+ value->insert = ui_textarea_insert;
+ value->position = ui_textarea_position;
+ value->selection = ui_textarea_selection;
+ value->length = ui_textarea_length;
+ value->value = NULL;
+ value->obj = textview;
+
+ TextChangeMgr *delegate = [[TextChangeMgr alloc]initWithValue:value context:obj->ctx];
+ [textview setDelegate:delegate];
+
+ NSUndoManager *undomgr = [[NSUndoManager alloc]init];
+ value->undomgr = undomgr;
+ }
+
+ return textview;
+}
+
+char* ui_textarea_get(UiText *text) {
+ if(text->value) {
+ free(text->value);
+ }
+ NSTextView *textview = (NSTextView*)text->obj;
+ NSString *str = [[textview textStorage]string];
+ size_t length = [str lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+ const char *cstr = [str UTF8String];
+ char *value = malloc(length + 1);
+ memcpy(value, cstr, length);
+ value[length] = '\0';
+ text->value = value;
+ return value;
+}
+
+void ui_textarea_set(UiText *text, char *str) {
+ if(text->value) {
+ free(text->value);
+ }
+ NSTextView *textview = (NSTextView*)text->obj;
+ NSString *s = [[NSString alloc]initWithUTF8String:str];
+ NSAttributedString *as = [[NSAttributedString alloc]initWithString:s];
+ [[textview textStorage] setAttributedString:as];
+ text->value = NULL;
+}
+
+char* ui_textarea_getsubstr(UiText *text, int begin, int end) {
+ if(text->value) {
+ free(text->value);
+ }
+ NSTextView *textview = (NSTextView*)text->obj;
+ NSString *str = [[textview textStorage]string];
+ NSRange range;
+ range.location = begin;
+ range.length = end - begin;
+
+ NSString *substr = [str substringWithRange:range];
+ size_t length = [substr lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+ const char *cstr = [substr UTF8String];
+ char *value = malloc(length + 1);
+ memcpy(value, cstr, length);
+ value[length] = '\0';
+ text->value = value;
+ return value;
+}
+
+void ui_textarea_insert(UiText *text, int pos, char *str) {
+ if(text->value) {
+ free(text->value);
+ }
+ NSTextView *textview = (NSTextView*)text->obj;
+ NSString *s = [[NSString alloc]initWithUTF8String:str];
+ NSAttributedString *as = [[NSAttributedString alloc]initWithString:s];
+ [[textview textStorage] insertAttributedString:as atIndex: pos];
+ text->value = NULL;
+}
+
+int ui_textarea_position(UiText *text) {
+ return [[[(NSTextView*)text->obj selectedRanges] objectAtIndex:0] rangeValue].location;
+}
+
+void ui_textarea_selection(UiText *text, int *begin, int *end) {
+ NSRange range = [[[(NSTextView*)text->obj selectedRanges] objectAtIndex:0] rangeValue];
+ *begin = range.location;
+ *end = range.location + range.length;
+}
+
+int ui_textarea_length(UiText *text) {
+ return [[(NSTextView*)text->obj textStorage] length];
+}
+
+void ui_text_undo(UiText *text) {
+ [(NSUndoManager*)text->undomgr undo];
+}
+
+void ui_text_redo(UiText *text) {
+ [(NSUndoManager*)text->undomgr redo];
+}
+