ui/gtk/text.c

Thu, 01 Jan 2015 17:22:55 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Thu, 01 Jan 2015 17:22:55 +0100
changeset 61
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parent 59
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child 65
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permissions
-rw-r--r--

improved box (Motif)

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2014 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <string.h>
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32
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33 #include "text.h"
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34 #include "container.h"
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35 #include "../common/context.h"
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36 #include "../common/document.h"
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37
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38 static void selection_handler(
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39 GtkTextBuffer *buf,
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40 GtkTextIter *location,
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41 GtkTextMark *mark,
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42 UiTextArea *textview)
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43 {
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44 const char *mname = gtk_text_mark_get_name(mark);
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45 if(mname) {
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46 GtkTextIter begin;
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47 GtkTextIter end;
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48 int sel = gtk_text_buffer_get_selection_bounds (buf, &begin, &end);
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49 if(sel != textview->last_selection_state) {
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50 if(sel) {
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51 ui_set_group(textview->ctx, UI_GROUP_SELECTION);
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52 } else {
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53 ui_unset_group(textview->ctx, UI_GROUP_SELECTION);
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54 }
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55 }
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56 textview->last_selection_state = sel;
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57 }
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58 }
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59
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60 UIWIDGET ui_textarea(UiObject *obj, UiText *value) {
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61 GtkWidget *text_area = gtk_text_view_new();
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62 gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text_area), GTK_WRAP_WORD_CHAR);
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63 g_signal_connect(
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64 text_area,
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65 "realize",
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66 G_CALLBACK(ui_textarea_realize_event),
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67 NULL);
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68 g_signal_connect(
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69 text_area,
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70 "selection-clear-event",
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71 G_CALLBACK(selection_handler),
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72 NULL);
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73
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74 UiTextArea *uitext = ucx_mempool_malloc(
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75 obj->ctx->mempool,
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76 sizeof(UiTextArea));
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77 uitext->ctx = obj->ctx;
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78 uitext->last_selection_state = 0;
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79
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80 GtkWidget *scroll_area = gtk_scrolled_window_new (NULL, NULL);
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81 gtk_scrolled_window_set_policy(
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82 GTK_SCROLLED_WINDOW(scroll_area),
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83 GTK_POLICY_AUTOMATIC,
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84 GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS
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85 gtk_container_add(GTK_CONTAINER(scroll_area), text_area);
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86
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87 // font and padding
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88 PangoFontDescription *font;
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89 font = pango_font_description_from_string("Monospace");
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90 gtk_widget_modify_font(text_area, font);
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91 pango_font_description_free(font);
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92
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93 gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text_area), 2);
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94 gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text_area), 2);
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95
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96 // add
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97 UiContainer *ct = uic_get_current_container(obj);
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98 ct->add(ct, scroll_area, TRUE);
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99
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100 // bind value
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101 if(value) {
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102 GtkTextBuffer *buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_area));
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103
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104 if(value->value) {
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105 gtk_text_buffer_set_text(buf, value->value, -1);
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106 // TODO: free value
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107 }
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108
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109 value->get = ui_textarea_get;
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110 value->set = ui_textarea_set;
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111 value->getsubstr = ui_textarea_getsubstr;
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112 value->insert = ui_textarea_insert;
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113 value->position = ui_textarea_position;
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114 value->selection = ui_textarea_selection;
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115 value->length = ui_textarea_length;
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116 value->remove = ui_textarea_remove;
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117 value->value = NULL;
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118 value->obj = buf;
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119 if(!value->undomgr) {
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120 value->undomgr = ui_create_undomgr();
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121 }
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122
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123 // register undo manager
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124 g_signal_connect(
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125 buf,
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126 "insert-text",
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127 G_CALLBACK(ui_textbuf_insert),
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128 value);
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129 g_signal_connect(
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130 buf,
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131 "delete-range",
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132 G_CALLBACK(ui_textbuf_delete),
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133 value);
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134
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135 g_signal_connect(
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136 buf,
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137 "mark-set",
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138 G_CALLBACK(selection_handler),
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139 uitext);
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140 }
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141
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142 return scroll_area;
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143 }
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144
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145 UIWIDGET ui_textarea_nv(UiObject *obj, char *varname) {
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146 UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_TEXT);
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147 if(var) {
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148 UiText *value = var->value;
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149 return ui_textarea(obj, value);
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150 } else {
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151 // TODO: error
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152 }
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153 return NULL;
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154 }
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155
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156 char* ui_textarea_get(UiText *text) {
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157 if(text->value) {
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158 g_free(text->value);
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159 }
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160 GtkTextBuffer *buf = text->obj;
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161 GtkTextIter start;
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162 GtkTextIter end;
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163 gtk_text_buffer_get_bounds(buf, &start, &end);
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164 char *str = gtk_text_buffer_get_text(buf, &start, &end, FALSE);
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165 text->value = str;
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166 return str;
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167 }
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168
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169 void ui_textarea_set(UiText *text, char *str) {
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170 if(text->value) {
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171 g_free(text->value);
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172 }
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173 text->value = NULL;
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174 gtk_text_buffer_set_text((GtkTextBuffer*)text->obj, str, -1);
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175 }
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176
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177 char* ui_textarea_getsubstr(UiText *text, int begin, int end) {
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178 if(text->value) {
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179 g_free(text->value);
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180 }
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181 GtkTextBuffer *buf = text->obj;
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182 GtkTextIter ib;
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183 GtkTextIter ie;
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184 gtk_text_buffer_get_iter_at_offset(text->obj, &ib, begin);
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185 gtk_text_buffer_get_iter_at_offset(text->obj, &ie, end);
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186 char *str = gtk_text_buffer_get_text(buf, &ib, &ie, FALSE);
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187 text->value = str;
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188 return str;
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189 }
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190
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191 void ui_textarea_insert(UiText *text, int pos, char *str) {
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192 if(text->value) {
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193 g_free(text->value);
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194 }
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195 text->value = NULL;
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196 GtkTextIter offset;
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197 gtk_text_buffer_get_iter_at_offset(text->obj, &offset, pos);
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198 gtk_text_buffer_insert(text->obj, &offset, str, -1);
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199 }
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200
27
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201 int ui_textarea_position(UiText *text) {
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202 GtkTextIter begin;
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203 GtkTextIter end;
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204 gtk_text_buffer_get_selection_bounds(text->obj, &begin, &end);
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205 return gtk_text_iter_get_offset(&begin);
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206 }
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207
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208 void ui_textarea_selection(UiText *text, int *begin, int *end) {
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209 GtkTextIter b;
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210 GtkTextIter e;
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211 gtk_text_buffer_get_selection_bounds(text->obj, &b, &e);
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212 *begin = gtk_text_iter_get_offset(&b);
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213 *end = gtk_text_iter_get_offset(&e);
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214 }
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215
29
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216 int ui_textarea_length(UiText *text) {
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217 GtkTextBuffer *buf = text->obj;
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218 GtkTextIter start;
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219 GtkTextIter end;
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220 gtk_text_buffer_get_bounds(buf, &start, &end);
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221 return gtk_text_iter_get_offset(&end);
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222 }
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223
33
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diff changeset
224 void ui_textarea_remove(UiText *text, int begin, int end) {
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225 GtkTextBuffer *buf = text->obj;
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diff changeset
226 GtkTextIter ib;
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diff changeset
227 GtkTextIter ie;
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diff changeset
228 gtk_text_buffer_get_iter_at_offset(buf, &ib, begin);
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diff changeset
229 gtk_text_buffer_get_iter_at_offset(buf, &ie, end);
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diff changeset
230 gtk_text_buffer_delete(buf, &ib, &ie);
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diff changeset
231 }
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diff changeset
232
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233 void ui_textarea_realize_event(GtkWidget *widget, gpointer data) {
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234 gtk_widget_grab_focus(widget);
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235 }
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diff changeset
236
6
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237
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238 // undo manager functions
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239
5
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diff changeset
240 void ui_textbuf_insert(
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241 GtkTextBuffer *textbuffer,
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242 GtkTextIter *location,
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diff changeset
243 char *text,
6
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diff changeset
244 int length,
5
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diff changeset
245 void *data)
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246 {
6
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diff changeset
247 UiText *value = data;
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248 UiUndoMgr *mgr = value->undomgr;
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diff changeset
249 if(!mgr->event) {
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250 return;
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diff changeset
251 }
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diff changeset
252
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diff changeset
253 if(mgr->cur) {
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diff changeset
254 UcxList *elm = mgr->cur->next;
9
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diff changeset
255 if(elm) {
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diff changeset
256 mgr->cur->next = NULL;
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diff changeset
257 while(elm) {
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diff changeset
258 elm->prev = NULL;
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diff changeset
259 UcxList *next = elm->next;
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diff changeset
260 ui_free_textbuf_op(elm->data);
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diff changeset
261 free(elm);
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diff changeset
262 elm = next;
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diff changeset
263 }
6
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diff changeset
264 }
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diff changeset
265
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diff changeset
266 UiTextBufOp *last_op = mgr->cur->data;
9
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diff changeset
267 if(
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diff changeset
268 last_op->type == UI_TEXTBUF_INSERT &&
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diff changeset
269 ui_check_insertstr(last_op->text, last_op->len, text, length) == 0)
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diff changeset
270 {
6
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diff changeset
271 // append text to last op
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272 int ln = last_op->len;
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273 char *newtext = malloc(ln + length + 1);
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274 memcpy(newtext, last_op->text, ln);
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275 memcpy(newtext+ln, text, length);
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276 newtext[ln+length] = '\0';
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277
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278 last_op->text = newtext;
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diff changeset
279 last_op->len = ln + length;
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280 last_op->end += length;
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281
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282 return;
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diff changeset
283 }
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284 }
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285
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diff changeset
286 char *dpstr = malloc(length + 1);
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diff changeset
287 memcpy(dpstr, text, length);
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288 dpstr[length] = 0;
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289
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diff changeset
290 UiTextBufOp *op = malloc(sizeof(UiTextBufOp));
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parents: 5
diff changeset
291 op->type = UI_TEXTBUF_INSERT;
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parents: 5
diff changeset
292 op->start = gtk_text_iter_get_offset(location);
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parents: 5
diff changeset
293 op->end = op->start+length;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
294 op->len = length;
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parents: 5
diff changeset
295 op->text = dpstr;
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parents: 5
diff changeset
296
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parents: 5
diff changeset
297 UcxList *elm = ucx_list_append(NULL, op);
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parents: 5
diff changeset
298 mgr->cur = elm;
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parents: 5
diff changeset
299 mgr->begin = ucx_list_concat(mgr->begin, elm);
5
19d37cb9c96c added textarea
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parents:
diff changeset
300 }
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parents:
diff changeset
301
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parents:
diff changeset
302 void ui_textbuf_delete(
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parents:
diff changeset
303 GtkTextBuffer *textbuffer,
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parents:
diff changeset
304 GtkTextIter *start,
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
305 GtkTextIter *end,
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parents:
diff changeset
306 void *data)
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parents:
diff changeset
307 {
6
05a18c56d9ca added undo for text
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parents: 5
diff changeset
308 UiText *value = data;
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parents: 5
diff changeset
309 UiUndoMgr *mgr = value->undomgr;
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parents: 5
diff changeset
310 if(!mgr->event) {
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parents: 5
diff changeset
311 return;
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parents: 5
diff changeset
312 }
05a18c56d9ca added undo for text
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parents: 5
diff changeset
313
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parents: 5
diff changeset
314 if(mgr->cur) {
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parents: 5
diff changeset
315 UcxList *elm = mgr->cur->next;
9
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parents: 8
diff changeset
316 if(elm) {
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parents: 8
diff changeset
317 mgr->cur->next = NULL;
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parents: 8
diff changeset
318 while(elm) {
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parents: 8
diff changeset
319 elm->prev = NULL;
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parents: 8
diff changeset
320 UcxList *next = elm->next;
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parents: 8
diff changeset
321 ui_free_textbuf_op(elm->data);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
322 free(elm);
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parents: 8
diff changeset
323 elm = next;
e70e855cea89 added undo and redo for motif
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parents: 8
diff changeset
324 }
6
05a18c56d9ca added undo for text
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parents: 5
diff changeset
325 }
05a18c56d9ca added undo for text
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parents: 5
diff changeset
326 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
327
05a18c56d9ca added undo for text
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parents: 5
diff changeset
328 char *text = gtk_text_buffer_get_text(value->obj, start, end, FALSE);
05a18c56d9ca added undo for text
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parents: 5
diff changeset
329
05a18c56d9ca added undo for text
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parents: 5
diff changeset
330 UiTextBufOp *op = malloc(sizeof(UiTextBufOp));
05a18c56d9ca added undo for text
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parents: 5
diff changeset
331 op->type = UI_TEXTBUF_DELETE;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
332 op->start = gtk_text_iter_get_offset(start);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
333 op->end = gtk_text_iter_get_offset(end);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
334 op->len = op->end - op->start;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
335
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
336 char *dpstr = malloc(op->len + 1);
05a18c56d9ca added undo for text
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parents: 5
diff changeset
337 memcpy(dpstr, text, op->len);
05a18c56d9ca added undo for text
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parents: 5
diff changeset
338 dpstr[op->len] = 0;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
339 op->text = dpstr;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
340
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
341 UcxList *elm = ucx_list_append(NULL, op);
05a18c56d9ca added undo for text
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parents: 5
diff changeset
342 mgr->cur = elm;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
343 mgr->begin = ucx_list_concat(mgr->begin, elm);
05a18c56d9ca added undo for text
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parents: 5
diff changeset
344 }
05a18c56d9ca added undo for text
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parents: 5
diff changeset
345
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
346 UiUndoMgr* ui_create_undomgr() {
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parents: 5
diff changeset
347 UiUndoMgr *mgr = malloc(sizeof(UiUndoMgr));
05a18c56d9ca added undo for text
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parents: 5
diff changeset
348 mgr->begin = NULL;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
349 mgr->cur = NULL;
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parents: 5
diff changeset
350 mgr->length = 0;
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parents: 5
diff changeset
351 mgr->event = 1;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
352 return mgr;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
353 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
354
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
355 void ui_free_textbuf_op(UiTextBufOp *op) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
356 if(op->text) {
9
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
357 free(op->text);
6
05a18c56d9ca added undo for text
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parents: 5
diff changeset
358 }
05a18c56d9ca added undo for text
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parents: 5
diff changeset
359 free(op);
5
19d37cb9c96c added textarea
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parents:
diff changeset
360 }
6
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
361
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
362 int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
363 // return 1 if oldstr + newstr are one word
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
364
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
365 int has_space = 0;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
366 for(int i=0;i<oldlen;i++) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
367 if(oldstr[i] < 33) {
05a18c56d9ca added undo for text
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parents: 5
diff changeset
368 has_space = 1;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
369 break;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
370 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
371 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
372
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
373 for(int i=0;i<newlen;i++) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
374 if(has_space && newstr[i] > 32) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
375 return 1;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
376 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
377 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
378
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
379 return 0;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
380 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
381
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
382 void ui_text_undo(UiText *value) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
383 UiUndoMgr *mgr = value->undomgr;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
384
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
385 if(mgr->cur) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
386 UiTextBufOp *op = mgr->cur->data;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
387 mgr->event = 0;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
388 switch(op->type) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
389 case UI_TEXTBUF_INSERT: {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
390 GtkTextIter begin;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
391 GtkTextIter end;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
392 gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
393 gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
394 gtk_text_buffer_delete(value->obj, &begin, &end);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
395 break;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
396 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
397 case UI_TEXTBUF_DELETE: {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
398 GtkTextIter begin;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
399 GtkTextIter end;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
400 gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
401 gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
402 gtk_text_buffer_insert(value->obj, &begin, op->text, op->len);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
403 break;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
404 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
405 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
406 mgr->event = 1;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
407 mgr->cur = mgr->cur->prev;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
408 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
409 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
410
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
411 void ui_text_redo(UiText *value) {
8
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
412 UiUndoMgr *mgr = value->undomgr;
6
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
413
8
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
414 UcxList *elm = NULL;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
415 if(mgr->cur) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
416 if(mgr->cur->next) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
417 elm = mgr->cur->next;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
418 }
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
419 } else if(mgr->begin) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
420 elm = mgr->begin;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
421 }
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
422
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
423 if(elm) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
424 UiTextBufOp *op = elm->data;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
425 mgr->event = 0;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
426 switch(op->type) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
427 case UI_TEXTBUF_INSERT: {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
428 GtkTextIter begin;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
429 GtkTextIter end;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
430 gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
431 gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
432 gtk_text_buffer_insert(value->obj, &begin, op->text, op->len);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
433 break;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
434 }
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
435 case UI_TEXTBUF_DELETE: {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
436 GtkTextIter begin;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
437 GtkTextIter end;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
438 gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
439 gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
440 gtk_text_buffer_delete(value->obj, &begin, &end);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
441 break;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
442 }
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
443 }
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
444 mgr->event = 1;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
445 mgr->cur = elm;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
446 }
6
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
447 }

mercurial