ui/gtk/text.c

Thu, 15 May 2014 21:48:53 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Thu, 15 May 2014 21:48:53 +0200
changeset 40
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parent 33
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child 56
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permissions
-rw-r--r--

added table view (GTK)

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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);
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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 }
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107
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108 value->get = ui_textarea_get;
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109 value->set = ui_textarea_set;
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110 value->getsubstr = ui_textarea_getsubstr;
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111 value->insert = ui_textarea_insert;
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112 value->position = ui_textarea_position;
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113 value->selection = ui_textarea_selection;
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114 value->length = ui_textarea_length;
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115 value->remove = ui_textarea_remove;
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116 value->value = NULL;
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117 value->obj = buf;
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118 if(!value->undomgr) {
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119 value->undomgr = ui_create_undomgr();
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120 }
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121
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122 // register undo manager
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123 g_signal_connect(
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124 buf,
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125 "insert-text",
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126 G_CALLBACK(ui_textbuf_insert),
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127 value);
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128 g_signal_connect(
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129 buf,
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130 "delete-range",
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131 G_CALLBACK(ui_textbuf_delete),
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132 value);
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133
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134 g_signal_connect(
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135 buf,
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136 "mark-set",
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137 G_CALLBACK(selection_handler),
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138 uitext);
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139 }
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140
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141 return scroll_area;
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142 }
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143
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144 UIWIDGET ui_textarea_nv(UiObject *obj, char *varname) {
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145 UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_TEXT);
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146 if(var) {
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147 UiText *value = var->value;
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148 return ui_textarea(obj, value);
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149 } else {
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diff changeset
150 // TODO: error
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151 }
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152 return NULL;
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153 }
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154
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155 char* ui_textarea_get(UiText *text) {
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156 if(text->value) {
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157 g_free(text->value);
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158 }
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159 GtkTextBuffer *buf = text->obj;
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160 GtkTextIter start;
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161 GtkTextIter end;
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162 gtk_text_buffer_get_bounds(buf, &start, &end);
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163 char *str = gtk_text_buffer_get_text(buf, &start, &end, FALSE);
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164 text->value = str;
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165 return str;
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166 }
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167
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168 void ui_textarea_set(UiText *text, char *str) {
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169 if(text->value) {
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170 g_free(text->value);
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171 }
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172 text->value = NULL;
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173 gtk_text_buffer_set_text((GtkTextBuffer*)text->obj, str, -1);
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174 }
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175
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176 char* ui_textarea_getsubstr(UiText *text, int begin, int end) {
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177 if(text->value) {
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178 g_free(text->value);
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179 }
12
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180 GtkTextBuffer *buf = text->obj;
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181 GtkTextIter ib;
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182 GtkTextIter ie;
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183 gtk_text_buffer_get_iter_at_offset(text->obj, &ib, begin);
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184 gtk_text_buffer_get_iter_at_offset(text->obj, &ie, end);
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185 char *str = gtk_text_buffer_get_text(buf, &ib, &ie, FALSE);
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186 text->value = str;
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187 return str;
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188 }
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189
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190 void ui_textarea_insert(UiText *text, int pos, char *str) {
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191 if(text->value) {
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192 g_free(text->value);
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193 }
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194 text->value = NULL;
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195 GtkTextIter offset;
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196 gtk_text_buffer_get_iter_at_offset(text->obj, &offset, pos);
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197 gtk_text_buffer_insert(text->obj, &offset, str, -1);
5
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198 }
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199
27
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200 int ui_textarea_position(UiText *text) {
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201 GtkTextIter begin;
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202 GtkTextIter end;
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203 gtk_text_buffer_get_selection_bounds(text->obj, &begin, &end);
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204 return gtk_text_iter_get_offset(&begin);
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205 }
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206
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207 void ui_textarea_selection(UiText *text, int *begin, int *end) {
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208 GtkTextIter b;
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209 GtkTextIter e;
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210 gtk_text_buffer_get_selection_bounds(text->obj, &b, &e);
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211 *begin = gtk_text_iter_get_offset(&b);
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212 *end = gtk_text_iter_get_offset(&e);
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213 }
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214
29
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diff changeset
215 int ui_textarea_length(UiText *text) {
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216 GtkTextBuffer *buf = text->obj;
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217 GtkTextIter start;
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218 GtkTextIter end;
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219 gtk_text_buffer_get_bounds(buf, &start, &end);
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220 return gtk_text_iter_get_offset(&end);
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221 }
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diff changeset
222
33
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diff changeset
223 void ui_textarea_remove(UiText *text, int begin, int end) {
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diff changeset
224 GtkTextBuffer *buf = text->obj;
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diff changeset
225 GtkTextIter ib;
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diff changeset
226 GtkTextIter ie;
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diff changeset
227 gtk_text_buffer_get_iter_at_offset(buf, &ib, begin);
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diff changeset
228 gtk_text_buffer_get_iter_at_offset(buf, &ie, end);
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diff changeset
229 gtk_text_buffer_delete(buf, &ib, &ie);
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diff changeset
230 }
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diff changeset
231
5
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232 void ui_textarea_realize_event(GtkWidget *widget, gpointer data) {
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233 gtk_widget_grab_focus(widget);
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234 }
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diff changeset
235
6
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diff changeset
236
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diff changeset
237 // undo manager functions
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diff changeset
238
5
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diff changeset
239 void ui_textbuf_insert(
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diff changeset
240 GtkTextBuffer *textbuffer,
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diff changeset
241 GtkTextIter *location,
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diff changeset
242 char *text,
6
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diff changeset
243 int length,
5
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diff changeset
244 void *data)
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245 {
6
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diff changeset
246 UiText *value = data;
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diff changeset
247 UiUndoMgr *mgr = value->undomgr;
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diff changeset
248 if(!mgr->event) {
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diff changeset
249 return;
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diff changeset
250 }
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diff changeset
251
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diff changeset
252 if(mgr->cur) {
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diff changeset
253 UcxList *elm = mgr->cur->next;
9
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diff changeset
254 if(elm) {
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diff changeset
255 mgr->cur->next = NULL;
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diff changeset
256 while(elm) {
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diff changeset
257 elm->prev = NULL;
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diff changeset
258 UcxList *next = elm->next;
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diff changeset
259 ui_free_textbuf_op(elm->data);
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diff changeset
260 free(elm);
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diff changeset
261 elm = next;
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diff changeset
262 }
6
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diff changeset
263 }
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diff changeset
264
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diff changeset
265 UiTextBufOp *last_op = mgr->cur->data;
9
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diff changeset
266 if(
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diff changeset
267 last_op->type == UI_TEXTBUF_INSERT &&
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diff changeset
268 ui_check_insertstr(last_op->text, last_op->len, text, length) == 0)
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diff changeset
269 {
6
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diff changeset
270 // append text to last op
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diff changeset
271 int ln = last_op->len;
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diff changeset
272 char *newtext = malloc(ln + length + 1);
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diff changeset
273 memcpy(newtext, last_op->text, ln);
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diff changeset
274 memcpy(newtext+ln, text, length);
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diff changeset
275 newtext[ln+length] = '\0';
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diff changeset
276
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diff changeset
277 last_op->text = newtext;
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diff changeset
278 last_op->len = ln + length;
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diff changeset
279 last_op->end += length;
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280
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281 return;
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diff changeset
282 }
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283 }
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diff changeset
284
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diff changeset
285 char *dpstr = malloc(length + 1);
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diff changeset
286 memcpy(dpstr, text, length);
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diff changeset
287 dpstr[length] = 0;
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diff changeset
288
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diff changeset
289 UiTextBufOp *op = malloc(sizeof(UiTextBufOp));
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diff changeset
290 op->type = UI_TEXTBUF_INSERT;
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parents: 5
diff changeset
291 op->start = gtk_text_iter_get_offset(location);
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parents: 5
diff changeset
292 op->end = op->start+length;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
293 op->len = length;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
294 op->text = dpstr;
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parents: 5
diff changeset
295
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parents: 5
diff changeset
296 UcxList *elm = ucx_list_append(NULL, op);
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parents: 5
diff changeset
297 mgr->cur = elm;
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parents: 5
diff changeset
298 mgr->begin = ucx_list_concat(mgr->begin, elm);
5
19d37cb9c96c added textarea
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parents:
diff changeset
299 }
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parents:
diff changeset
300
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
301 void ui_textbuf_delete(
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parents:
diff changeset
302 GtkTextBuffer *textbuffer,
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parents:
diff changeset
303 GtkTextIter *start,
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parents:
diff changeset
304 GtkTextIter *end,
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parents:
diff changeset
305 void *data)
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parents:
diff changeset
306 {
6
05a18c56d9ca added undo for text
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parents: 5
diff changeset
307 UiText *value = data;
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parents: 5
diff changeset
308 UiUndoMgr *mgr = value->undomgr;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
309 if(!mgr->event) {
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parents: 5
diff changeset
310 return;
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parents: 5
diff changeset
311 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
312
05a18c56d9ca added undo for text
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parents: 5
diff changeset
313 if(mgr->cur) {
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parents: 5
diff changeset
314 UcxList *elm = mgr->cur->next;
9
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
315 if(elm) {
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parents: 8
diff changeset
316 mgr->cur->next = NULL;
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parents: 8
diff changeset
317 while(elm) {
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parents: 8
diff changeset
318 elm->prev = NULL;
e70e855cea89 added undo and redo for motif
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parents: 8
diff changeset
319 UcxList *next = elm->next;
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parents: 8
diff changeset
320 ui_free_textbuf_op(elm->data);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
321 free(elm);
e70e855cea89 added undo and redo for motif
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parents: 8
diff changeset
322 elm = next;
e70e855cea89 added undo and redo for motif
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parents: 8
diff changeset
323 }
6
05a18c56d9ca added undo for text
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parents: 5
diff changeset
324 }
05a18c56d9ca added undo for text
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parents: 5
diff changeset
325 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
326
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
327 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
328
05a18c56d9ca added undo for text
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parents: 5
diff changeset
329 UiTextBufOp *op = malloc(sizeof(UiTextBufOp));
05a18c56d9ca added undo for text
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parents: 5
diff changeset
330 op->type = UI_TEXTBUF_DELETE;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
331 op->start = gtk_text_iter_get_offset(start);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
332 op->end = gtk_text_iter_get_offset(end);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
333 op->len = op->end - op->start;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
334
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
335 char *dpstr = malloc(op->len + 1);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
336 memcpy(dpstr, text, op->len);
05a18c56d9ca added undo for text
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parents: 5
diff changeset
337 dpstr[op->len] = 0;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
338 op->text = dpstr;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
339
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
340 UcxList *elm = ucx_list_append(NULL, op);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
341 mgr->cur = elm;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
342 mgr->begin = ucx_list_concat(mgr->begin, elm);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
343 }
05a18c56d9ca added undo for text
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parents: 5
diff changeset
344
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
345 UiUndoMgr* ui_create_undomgr() {
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parents: 5
diff changeset
346 UiUndoMgr *mgr = malloc(sizeof(UiUndoMgr));
05a18c56d9ca added undo for text
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parents: 5
diff changeset
347 mgr->begin = NULL;
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parents: 5
diff changeset
348 mgr->cur = NULL;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
349 mgr->length = 0;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
350 mgr->event = 1;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
351 return mgr;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
352 }
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 void ui_free_textbuf_op(UiTextBufOp *op) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
355 if(op->text) {
9
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
356 free(op->text);
6
05a18c56d9ca added undo for text
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parents: 5
diff changeset
357 }
05a18c56d9ca added undo for text
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parents: 5
diff changeset
358 free(op);
5
19d37cb9c96c added textarea
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parents:
diff changeset
359 }
6
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
360
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
361 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
362 // return 1 if oldstr + newstr are one word
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
363
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
364 int has_space = 0;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
365 for(int i=0;i<oldlen;i++) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
366 if(oldstr[i] < 33) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
367 has_space = 1;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
368 break;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
369 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
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 for(int i=0;i<newlen;i++) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
373 if(has_space && newstr[i] > 32) {
05a18c56d9ca added undo for text
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parents: 5
diff changeset
374 return 1;
05a18c56d9ca added undo for text
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parents: 5
diff changeset
375 }
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 return 0;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
379 }
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 void ui_text_undo(UiText *value) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
382 UiUndoMgr *mgr = value->undomgr;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
383
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
384 if(mgr->cur) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
385 UiTextBufOp *op = mgr->cur->data;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
386 mgr->event = 0;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
387 switch(op->type) {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
388 case UI_TEXTBUF_INSERT: {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
389 GtkTextIter begin;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
390 GtkTextIter end;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
391 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
392 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
393 gtk_text_buffer_delete(value->obj, &begin, &end);
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
394 break;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
395 }
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
396 case UI_TEXTBUF_DELETE: {
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
397 GtkTextIter begin;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
398 GtkTextIter end;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
399 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
400 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
401 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
402 break;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
403 }
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 mgr->event = 1;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
406 mgr->cur = mgr->cur->prev;
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
407 }
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 void ui_text_redo(UiText *value) {
8
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
411 UiUndoMgr *mgr = value->undomgr;
6
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
412
8
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
413 UcxList *elm = NULL;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
414 if(mgr->cur) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
415 if(mgr->cur->next) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
416 elm = mgr->cur->next;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
417 }
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
418 } else if(mgr->begin) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
419 elm = mgr->begin;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
420 }
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 if(elm) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
423 UiTextBufOp *op = elm->data;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
424 mgr->event = 0;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
425 switch(op->type) {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
426 case UI_TEXTBUF_INSERT: {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
427 GtkTextIter begin;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
428 GtkTextIter end;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
429 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
430 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
431 gtk_text_buffer_insert(value->obj, &begin, op->text, op->len);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
432 break;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
433 }
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
434 case UI_TEXTBUF_DELETE: {
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
435 GtkTextIter begin;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
436 GtkTextIter end;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
437 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
438 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
439 gtk_text_buffer_delete(value->obj, &begin, &end);
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
440 break;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
441 }
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 mgr->event = 1;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
444 mgr->cur = elm;
84a541c6e093 added redo
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 6
diff changeset
445 }
6
05a18c56d9ca added undo for text
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
446 }

mercurial