Tue, 29 Oct 2024 17:52:06 +0100
implement textfield onchange event (GTK)
/* * 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 "../ui/text.h" #import "toolkit.h" #import <ucx/list.h> @interface TextChangeMgr : NSObject<NSTextViewDelegate> { UiContext *context; UiText *value; int last_length; } - (TextChangeMgr*)initWithValue:(UiText*)text context:(UiContext*)ctx; - (NSUndoManager*)undoManagerForTextView:(NSTextView*)textview; @end #define UI_TEXTBUF_INSERT 0 #define UI_TEXTBUF_DELETE 1 typedef struct UiTextBufOp { int type; // UI_TEXTBUF_INSERT, UI_TEXTBUF_DELETE int start; int end; int len; char *text; } UiTextBufOp; char* ui_textarea_get(UiText *text); void ui_textarea_set(UiText *text, char *str); char* ui_textarea_getsubstr(UiText *text, int begin, int end); void ui_textarea_insert(UiText *text, int pos, char *str); int ui_textarea_position(UiText *text); void ui_textarea_selection(UiText *text, int *begin, int *end); int ui_textarea_length(UiText *text);