Thu, 28 Nov 2024 18:04:55 +0100
fix textarea crash when no value is specified (GTK)
5 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
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4 | * Copyright 2017 Olaf Wintermann. All rights reserved. |
5 | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | #include <stdio.h> | |
30 | #include <stdlib.h> | |
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31 | #include <string.h> |
5 | 32 | |
33 | #include "text.h" | |
34 | #include "container.h" | |
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35 | |
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36 | #include <cx/printf.h> |
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37 | |
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38 | #include <gdk/gdkkeysyms.h> |
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39 | |
5 | 40 | |
174 | 41 | #include "../common/types.h" |
42 | ||
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43 | static void selection_handler( |
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44 | GtkTextBuffer *buf, |
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45 | GtkTextIter *location, |
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46 | GtkTextMark *mark, |
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47 | UiTextArea *textview) |
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48 | { |
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49 | const char *mname = gtk_text_mark_get_name(mark); |
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50 | if(mname) { |
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51 | GtkTextIter begin; |
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52 | GtkTextIter end; |
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53 | int sel = gtk_text_buffer_get_selection_bounds (buf, &begin, &end); |
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54 | if(sel != textview->last_selection_state) { |
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55 | if(sel) { |
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56 | ui_set_group(textview->ctx, UI_GROUP_SELECTION); |
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57 | } else { |
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58 | ui_unset_group(textview->ctx, UI_GROUP_SELECTION); |
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59 | } |
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60 | } |
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61 | textview->last_selection_state = sel; |
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62 | } |
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63 | } |
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64 | |
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65 | UIWIDGET ui_textarea_create(UiObject *obj, UiTextAreaArgs args) { |
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66 | UiObject* current = uic_current_obj(obj); |
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67 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_TEXT); |
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68 | |
5 | 69 | GtkWidget *text_area = gtk_text_view_new(); |
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70 | ui_set_name_and_style(text_area, args.name, args.style_class); |
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71 | ui_set_widget_groups(obj->ctx, text_area, args.groups); |
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72 | |
5 | 73 | gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text_area), GTK_WRAP_WORD_CHAR); |
74 | g_signal_connect( | |
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75 | text_area, |
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76 | "realize", |
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77 | G_CALLBACK(ui_textarea_realize_event), |
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78 | NULL); |
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79 | |
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80 | UiTextArea *uitext = malloc(sizeof(UiTextArea)); |
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81 | uitext->obj = obj; |
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82 | uitext->ctx = obj->ctx; |
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83 | uitext->var = var; |
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84 | uitext->last_selection_state = 0; |
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85 | uitext->onchange = args.onchange; |
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86 | uitext->onchangedata = args.onchangedata; |
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87 | |
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88 | g_signal_connect( |
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89 | text_area, |
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90 | "destroy", |
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91 | G_CALLBACK(ui_textarea_destroy), |
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92 | uitext); |
5 | 93 | |
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94 | GtkWidget *scroll_area = SCROLLEDWINDOW_NEW(); |
5 | 95 | gtk_scrolled_window_set_policy( |
96 | GTK_SCROLLED_WINDOW(scroll_area), | |
97 | GTK_POLICY_AUTOMATIC, | |
98 | GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS | |
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99 | SCROLLEDWINDOW_SET_CHILD(scroll_area, text_area); |
5 | 100 | |
101 | // font and padding | |
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102 | //PangoFontDescription *font; |
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103 | //font = pango_font_description_from_string("Monospace"); |
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104 | //gtk_widget_modify_font(text_area, font); // TODO |
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105 | //pango_font_description_free(font); |
5 | 106 | |
107 | gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text_area), 2); | |
108 | gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text_area), 2); | |
109 | ||
110 | // add | |
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111 | UI_APPLY_LAYOUT1(current, args); |
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112 | current->container->add(current->container, scroll_area, TRUE); |
5 | 113 | |
114 | // bind value | |
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115 | if(var) { |
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116 | UiText *value = var->value; |
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117 | GtkTextBuffer *buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_area)); |
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118 | |
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119 | if(value->value.ptr) { |
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120 | gtk_text_buffer_set_text(buf, value->value.ptr, -1); |
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121 | value->value.free(value->value.ptr); |
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122 | } |
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123 | |
5 | 124 | value->get = ui_textarea_get; |
125 | value->set = ui_textarea_set; | |
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126 | value->getsubstr = ui_textarea_getsubstr; |
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127 | value->insert = ui_textarea_insert; |
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128 | value->setposition = ui_textarea_setposition; |
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129 | value->position = ui_textarea_position; |
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130 | value->selection = ui_textarea_selection; |
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131 | value->length = ui_textarea_length; |
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132 | value->remove = ui_textarea_remove; |
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133 | value->value.ptr = NULL; |
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134 | value->value.free = NULL; |
5 | 135 | value->obj = buf; |
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136 | if(!value->undomgr) { |
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137 | value->undomgr = ui_create_undomgr(); |
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138 | } |
5 | 139 | |
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140 | g_signal_connect( |
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141 | buf, |
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142 | "changed", |
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143 | G_CALLBACK(ui_textbuf_changed), |
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144 | uitext); |
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145 | |
5 | 146 | // register undo manager |
147 | g_signal_connect( | |
148 | buf, | |
149 | "insert-text", | |
150 | G_CALLBACK(ui_textbuf_insert), | |
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151 | var); |
5 | 152 | g_signal_connect( |
153 | buf, | |
154 | "delete-range", | |
155 | G_CALLBACK(ui_textbuf_delete), | |
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156 | var); |
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157 | g_signal_connect( |
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158 | buf, |
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159 | "mark-set", |
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160 | G_CALLBACK(selection_handler), |
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161 | uitext); |
5 | 162 | } |
163 | ||
164 | return scroll_area; | |
165 | } | |
166 | ||
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167 | void ui_textarea_destroy(GtkWidget *object, UiTextArea *textarea) { |
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168 | if(textarea->var) { |
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169 | ui_destroy_boundvar(textarea->ctx, textarea->var); |
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170 | } |
140
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171 | free(textarea); |
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172 | } |
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173 | |
168
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174 | UIWIDGET ui_textarea_gettextwidget(UIWIDGET textarea) { |
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175 | return SCROLLEDWINDOW_GET_CHILD(textarea); |
168
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176 | } |
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177 | |
5 | 178 | char* ui_textarea_get(UiText *text) { |
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179 | if(text->value.ptr) { |
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180 | text->value.free(text->value.ptr); |
5 | 181 | } |
182 | GtkTextBuffer *buf = text->obj; | |
183 | GtkTextIter start; | |
184 | GtkTextIter end; | |
185 | gtk_text_buffer_get_bounds(buf, &start, &end); | |
186 | char *str = gtk_text_buffer_get_text(buf, &start, &end, FALSE); | |
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187 | text->value.ptr = g_strdup(str); |
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188 | text->value.free = (ui_freefunc)g_free; |
5 | 189 | return str; |
190 | } | |
191 | ||
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192 | void ui_textarea_set(UiText *text, const char *str) { |
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193 | gtk_text_buffer_set_text((GtkTextBuffer*)text->obj, str, -1); |
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194 | if(text->value.ptr) { |
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195 | text->value.free(text->value.ptr); |
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196 | } |
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197 | text->value.ptr = NULL; |
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198 | text->value.free = NULL; |
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199 | } |
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200 | |
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201 | char* ui_textarea_getsubstr(UiText *text, int begin, int end) { |
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202 | if(text->value.ptr) { |
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203 | text->value.free(text->value.ptr); |
5 | 204 | } |
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205 | GtkTextBuffer *buf = text->obj; |
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206 | GtkTextIter ib; |
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207 | GtkTextIter ie; |
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208 | gtk_text_buffer_get_iter_at_offset(text->obj, &ib, begin); |
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209 | gtk_text_buffer_get_iter_at_offset(text->obj, &ie, end); |
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210 | char *str = gtk_text_buffer_get_text(buf, &ib, &ie, FALSE); |
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211 | text->value.ptr = g_strdup(str); |
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212 | text->value.free = (ui_freefunc)g_free; |
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213 | return str; |
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214 | } |
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215 | |
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216 | void ui_textarea_insert(UiText *text, int pos, char *str) { |
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217 | GtkTextIter offset; |
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218 | gtk_text_buffer_get_iter_at_offset(text->obj, &offset, pos); |
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219 | gtk_text_buffer_insert(text->obj, &offset, str, -1); |
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220 | if(text->value.ptr) { |
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221 | text->value.free(text->value.ptr); |
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222 | } |
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223 | text->value.ptr = NULL; |
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224 | text->value.free = NULL; |
5 | 225 | } |
226 | ||
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227 | void ui_textarea_setposition(UiText *text, int pos) { |
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228 | GtkTextIter iter; |
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229 | gtk_text_buffer_get_iter_at_offset(text->obj, &iter, pos); |
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230 | gtk_text_buffer_place_cursor(text->obj, &iter); |
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231 | } |
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232 | |
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233 | int ui_textarea_position(UiText *text) { |
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234 | GtkTextIter begin; |
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235 | GtkTextIter end; |
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236 | gtk_text_buffer_get_selection_bounds(text->obj, &begin, &end); |
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237 | text->pos = gtk_text_iter_get_offset(&begin); |
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238 | return text->pos; |
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239 | } |
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240 | |
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241 | void ui_textarea_selection(UiText *text, int *begin, int *end) { |
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242 | GtkTextIter b; |
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243 | GtkTextIter e; |
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244 | gtk_text_buffer_get_selection_bounds(text->obj, &b, &e); |
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245 | *begin = gtk_text_iter_get_offset(&b); |
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246 | *end = gtk_text_iter_get_offset(&e); |
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247 | } |
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248 | |
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249 | int ui_textarea_length(UiText *text) { |
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250 | GtkTextBuffer *buf = text->obj; |
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251 | GtkTextIter start; |
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252 | GtkTextIter end; |
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253 | gtk_text_buffer_get_bounds(buf, &start, &end); |
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254 | return gtk_text_iter_get_offset(&end); |
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255 | } |
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256 | |
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257 | void ui_textarea_remove(UiText *text, int begin, int end) { |
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258 | GtkTextBuffer *buf = text->obj; |
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259 | GtkTextIter ib; |
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260 | GtkTextIter ie; |
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261 | gtk_text_buffer_get_iter_at_offset(buf, &ib, begin); |
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262 | gtk_text_buffer_get_iter_at_offset(buf, &ie, end); |
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263 | gtk_text_buffer_delete(buf, &ib, &ie); |
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264 | } |
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265 | |
5 | 266 | void ui_textarea_realize_event(GtkWidget *widget, gpointer data) { |
267 | gtk_widget_grab_focus(widget); | |
268 | } | |
269 | ||
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270 | |
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271 | |
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272 | void ui_textbuf_changed(GtkTextBuffer *textbuffer, UiTextArea *textarea) { |
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273 | UiText *value = textarea->var->value; |
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274 | |
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275 | UiEvent e; |
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276 | e.obj = textarea->obj; |
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277 | e.window = e.obj->window; |
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278 | e.document = textarea->ctx->document; |
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279 | e.eventdata = value; |
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280 | e.intval = 0; |
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281 | |
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282 | if(textarea->onchange) { |
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283 | textarea->onchange(&e, textarea->onchangedata); |
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284 | } |
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285 | |
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286 | if(value->observers) { |
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287 | ui_notify_evt(value->observers, &e); |
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288 | } |
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289 | } |
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290 | |
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291 | // undo manager functions |
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292 | |
5 | 293 | void ui_textbuf_insert( |
294 | GtkTextBuffer *textbuffer, | |
295 | GtkTextIter *location, | |
296 | char *text, | |
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297 | int length, |
5 | 298 | void *data) |
299 | { | |
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300 | UiVar *var = data; |
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301 | UiText *value = var->value; |
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302 | if(!value->undomgr) { |
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303 | value->undomgr = ui_create_undomgr(); |
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304 | } |
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305 | UiUndoMgr *mgr = value->undomgr; |
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306 | if(!mgr->event) { |
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307 | return; |
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308 | } |
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309 | |
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310 | if(mgr->cur) { |
174 | 311 | UiTextBufOp *elm = mgr->cur->next; |
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312 | if(elm) { |
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313 | mgr->cur->next = NULL; |
174 | 314 | mgr->end = mgr->cur; |
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315 | while(elm) { |
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316 | elm->prev = NULL; |
174 | 317 | UiTextBufOp *next = elm->next; |
318 | ui_free_textbuf_op(elm); | |
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319 | elm = next; |
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320 | } |
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321 | } |
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322 | |
174 | 323 | UiTextBufOp *last_op = mgr->cur; |
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324 | if( |
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325 | last_op->type == UI_TEXTBUF_INSERT && |
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326 | ui_check_insertstr(last_op->text, last_op->len, text, length) == 0) |
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327 | { |
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328 | // append text to last op |
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329 | int ln = last_op->len; |
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330 | char *newtext = malloc(ln + length + 1); |
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331 | memcpy(newtext, last_op->text, ln); |
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332 | memcpy(newtext+ln, text, length); |
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333 | newtext[ln+length] = '\0'; |
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334 | |
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335 | last_op->text = newtext; |
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336 | last_op->len = ln + length; |
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337 | last_op->end += length; |
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338 | |
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339 | return; |
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340 | } |
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341 | } |
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342 | |
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343 | char *dpstr = malloc(length + 1); |
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344 | memcpy(dpstr, text, length); |
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345 | dpstr[length] = 0; |
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346 | |
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347 | UiTextBufOp *op = malloc(sizeof(UiTextBufOp)); |
174 | 348 | op->prev = NULL; |
349 | op->next = NULL; | |
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350 | op->type = UI_TEXTBUF_INSERT; |
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351 | op->start = gtk_text_iter_get_offset(location); |
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352 | op->end = op->start+length; |
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353 | op->len = length; |
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354 | op->text = dpstr; |
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355 | |
174 | 356 | cx_linked_list_add( |
357 | (void**)&mgr->begin, | |
358 | (void**)&mgr->end, | |
359 | offsetof(UiTextBufOp, prev), | |
360 | offsetof(UiTextBufOp, next), | |
361 | op); | |
362 | ||
363 | mgr->cur = op; | |
5 | 364 | } |
365 | ||
366 | void ui_textbuf_delete( | |
367 | GtkTextBuffer *textbuffer, | |
368 | GtkTextIter *start, | |
369 | GtkTextIter *end, | |
370 | void *data) | |
371 | { | |
140
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372 | UiVar *var = data; |
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373 | UiText *value = var->value; |
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374 | if(!value->undomgr) { |
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375 | value->undomgr = ui_create_undomgr(); |
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376 | } |
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377 | UiUndoMgr *mgr = value->undomgr; |
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378 | if(!mgr->event) { |
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379 | return; |
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380 | } |
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381 | |
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382 | if(mgr->cur) { |
174 | 383 | UiTextBufOp *elm = mgr->cur->next; |
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384 | if(elm) { |
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385 | mgr->cur->next = NULL; |
174 | 386 | mgr->end = mgr->cur; |
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387 | while(elm) { |
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388 | elm->prev = NULL; |
174 | 389 | UiTextBufOp *next = elm->next; |
390 | ui_free_textbuf_op(elm); | |
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391 | elm = next; |
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392 | } |
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393 | } |
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394 | } |
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395 | |
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396 | char *text = gtk_text_buffer_get_text(value->obj, start, end, FALSE); |
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397 | |
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398 | UiTextBufOp *op = malloc(sizeof(UiTextBufOp)); |
174 | 399 | op->prev = NULL; |
400 | op->next = NULL; | |
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401 | op->type = UI_TEXTBUF_DELETE; |
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402 | op->start = gtk_text_iter_get_offset(start); |
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403 | op->end = gtk_text_iter_get_offset(end); |
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404 | op->len = op->end - op->start; |
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405 | |
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406 | char *dpstr = malloc(op->len + 1); |
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407 | memcpy(dpstr, text, op->len); |
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408 | dpstr[op->len] = 0; |
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409 | op->text = dpstr; |
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410 | |
174 | 411 | cx_linked_list_add( |
412 | (void**)&mgr->begin, | |
413 | (void**)&mgr->end, | |
414 | offsetof(UiTextBufOp, prev), | |
415 | offsetof(UiTextBufOp, next), | |
416 | op); | |
417 | ||
418 | mgr->cur = op; | |
6
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419 | } |
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420 | |
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421 | UiUndoMgr* ui_create_undomgr() { |
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422 | UiUndoMgr *mgr = malloc(sizeof(UiUndoMgr)); |
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423 | mgr->begin = NULL; |
174 | 424 | mgr->end = NULL; |
6
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425 | mgr->cur = NULL; |
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426 | mgr->length = 0; |
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427 | mgr->event = 1; |
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428 | return mgr; |
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429 | } |
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430 | |
174 | 431 | void ui_destroy_undomgr(UiUndoMgr *mgr) { |
432 | UiTextBufOp *op = mgr->begin; | |
433 | while(op) { | |
434 | UiTextBufOp *nextOp = op->next; | |
435 | if(op->text) { | |
436 | free(op->text); | |
437 | } | |
438 | free(op); | |
439 | op = nextOp; | |
440 | } | |
441 | free(mgr); | |
442 | } | |
443 | ||
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444 | void ui_free_textbuf_op(UiTextBufOp *op) { |
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445 | if(op->text) { |
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446 | free(op->text); |
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447 | } |
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448 | free(op); |
5 | 449 | } |
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450 | |
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451 | int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen) { |
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452 | // return 1 if oldstr + newstr are one word |
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453 | |
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454 | int has_space = 0; |
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455 | for(int i=0;i<oldlen;i++) { |
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456 | if(oldstr[i] < 33) { |
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457 | has_space = 1; |
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458 | break; |
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459 | } |
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460 | } |
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461 | |
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462 | for(int i=0;i<newlen;i++) { |
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463 | if(has_space && newstr[i] > 32) { |
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464 | return 1; |
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465 | } |
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466 | } |
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467 | |
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468 | return 0; |
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469 | } |
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470 | |
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471 | void ui_text_undo(UiText *value) { |
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472 | UiUndoMgr *mgr = value->undomgr; |
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473 | |
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474 | if(mgr->cur) { |
174 | 475 | UiTextBufOp *op = mgr->cur; |
6
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476 | mgr->event = 0; |
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477 | switch(op->type) { |
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478 | case UI_TEXTBUF_INSERT: { |
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479 | GtkTextIter begin; |
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480 | GtkTextIter end; |
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481 | gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); |
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482 | gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); |
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483 | gtk_text_buffer_delete(value->obj, &begin, &end); |
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484 | break; |
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485 | } |
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486 | case UI_TEXTBUF_DELETE: { |
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487 | GtkTextIter begin; |
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488 | GtkTextIter end; |
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489 | gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); |
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490 | gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); |
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491 | gtk_text_buffer_insert(value->obj, &begin, op->text, op->len); |
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492 | break; |
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493 | } |
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494 | } |
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495 | mgr->event = 1; |
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496 | mgr->cur = mgr->cur->prev; |
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497 | } |
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498 | } |
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499 | |
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500 | void ui_text_redo(UiText *value) { |
8 | 501 | UiUndoMgr *mgr = value->undomgr; |
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502 | |
174 | 503 | UiTextBufOp *elm = NULL; |
8 | 504 | if(mgr->cur) { |
505 | if(mgr->cur->next) { | |
506 | elm = mgr->cur->next; | |
507 | } | |
508 | } else if(mgr->begin) { | |
509 | elm = mgr->begin; | |
510 | } | |
511 | ||
512 | if(elm) { | |
174 | 513 | UiTextBufOp *op = elm; |
8 | 514 | mgr->event = 0; |
515 | switch(op->type) { | |
516 | case UI_TEXTBUF_INSERT: { | |
517 | GtkTextIter begin; | |
518 | GtkTextIter end; | |
519 | gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); | |
520 | gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); | |
521 | gtk_text_buffer_insert(value->obj, &begin, op->text, op->len); | |
522 | break; | |
523 | } | |
524 | case UI_TEXTBUF_DELETE: { | |
525 | GtkTextIter begin; | |
526 | GtkTextIter end; | |
527 | gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); | |
528 | gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); | |
529 | gtk_text_buffer_delete(value->obj, &begin, &end); | |
530 | break; | |
531 | } | |
532 | } | |
533 | mgr->event = 1; | |
534 | mgr->cur = elm; | |
535 | } | |
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536 | } |
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537 | |
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538 | |
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539 | |
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540 | |
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541 | static UIWIDGET create_textfield(UiObject *obj, UiBool frameless, UiBool password, UiTextFieldArgs args) { |
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542 | GtkWidget *textfield = gtk_entry_new(); |
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543 | ui_set_name_and_style(textfield, args.name, args.style_class); |
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544 | ui_set_widget_groups(obj->ctx, textfield, args.groups); |
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545 | |
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546 | UiObject* current = uic_current_obj(obj); |
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547 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING); |
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548 | |
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549 | UiTextField *uitext = malloc(sizeof(UiTextField)); |
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550 | uitext->obj = obj; |
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551 | uitext->var = var; |
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552 | uitext->onchange = args.onchange; |
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553 | uitext->onchangedata = args.onchangedata; |
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554 | |
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555 | g_signal_connect( |
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556 | textfield, |
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557 | "destroy", |
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558 | G_CALLBACK(ui_textfield_destroy), |
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559 | uitext); |
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560 | |
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|
561 | if(args.width > 0) { |
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|
562 | // TODO: gtk4 |
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563 | #if GTK_MAJOR_VERSION <= 3 |
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564 | gtk_entry_set_width_chars(GTK_ENTRY(textfield), args.width); |
298
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|
565 | #endif |
94
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diff
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|
566 | } |
121
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diff
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|
567 | if(frameless) { |
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diff
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|
568 | // TODO: gtk2legacy workaroud |
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|
569 | gtk_entry_set_has_frame(GTK_ENTRY(textfield), FALSE); |
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diff
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|
570 | } |
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diff
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|
571 | if(password) { |
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diff
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|
572 | gtk_entry_set_visibility(GTK_ENTRY(textfield), FALSE); |
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diff
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|
573 | } |
94
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added checkbox and labels with alignment (GTK)
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diff
changeset
|
574 | |
335
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diff
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|
575 | UI_APPLY_LAYOUT1(current, args); |
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576 | current->container->add(current->container, textfield, FALSE); |
65
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diff
changeset
|
577 | |
140
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|
578 | if(var) { |
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|
579 | UiString *value = var->value; |
141
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|
580 | if(value->value.ptr) { |
298
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|
581 | ENTRY_SET_TEXT(textfield, value->value.ptr); |
141
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582 | value->value.free(value->value.ptr); |
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583 | value->value.ptr = NULL; |
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|
584 | value->value.free = NULL; |
65
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585 | } |
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diff
changeset
|
586 | |
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|
587 | value->get = ui_textfield_get; |
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|
588 | value->set = ui_textfield_set; |
141
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|
589 | value->value.ptr = NULL; |
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|
590 | value->value.free = NULL; |
65
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|
591 | value->obj = GTK_ENTRY(textfield); |
371
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|
592 | } |
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|
593 | |
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|
594 | if(args.onchange || var) { |
143
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595 | g_signal_connect( |
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596 | textfield, |
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597 | "changed", |
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598 | G_CALLBACK(ui_textfield_changed), |
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|
599 | uitext); |
65
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600 | } |
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|
601 | |
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602 | return textfield; |
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|
603 | } |
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|
604 | |
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|
605 | UIWIDGET ui_textfield_create(UiObject *obj, UiTextFieldArgs args) { |
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606 | return create_textfield(obj, FALSE, FALSE, args); |
65
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607 | } |
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608 | |
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|
609 | UIWIDGET ui_frameless_textfield_create(UiObject* obj, UiTextFieldArgs args) { |
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610 | return create_textfield(obj, TRUE, FALSE, args); |
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611 | } |
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612 | |
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613 | UIWIDGET ui_passwordfield_create(UiObject* obj, UiTextFieldArgs args) { |
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614 | return create_textfield(obj, FALSE, TRUE, args); |
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615 | } |
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616 | |
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617 | |
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618 | void ui_textfield_destroy(GtkWidget *object, UiTextField *textfield) { |
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619 | free(textfield); |
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620 | } |
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621 | |
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622 | void ui_textfield_changed(GtkEditable *editable, UiTextField *textfield) { |
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623 | UiString *value = textfield->var->value; |
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624 | |
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625 | UiEvent e; |
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626 | e.obj = textfield->obj; |
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627 | e.window = e.obj->window; |
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628 | e.document = textfield->obj->ctx->document; |
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629 | e.eventdata = value; |
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630 | e.intval = 0; |
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631 | |
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632 | if(textfield->onchange) { |
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633 | textfield->onchange(&e, textfield->onchangedata); |
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634 | } |
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635 | |
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636 | if(textfield->var) { |
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637 | ui_notify_evt(value->observers, &e); |
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638 | } |
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639 | } |
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640 | |
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641 | |
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642 | char* ui_textfield_get(UiString *str) { |
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643 | if(str->value.ptr) { |
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644 | str->value.free(str->value.ptr); |
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645 | } |
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646 | str->value.ptr = g_strdup(ENTRY_GET_TEXT(str->obj)); |
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647 | str->value.free = (ui_freefunc)g_free; |
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648 | return str->value.ptr; |
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649 | } |
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650 | |
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651 | void ui_textfield_set(UiString *str, const char *value) { |
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652 | ENTRY_SET_TEXT(str->obj, value); |
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653 | if(str->value.ptr) { |
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654 | str->value.free(str->value.ptr); |
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655 | str->value.ptr = NULL; |
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656 | str->value.free = NULL; |
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657 | } |
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658 | } |
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659 | |
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660 | // ----------------------- path textfield ----------------------- |
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661 | |
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662 | // TODO: move to common |
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663 | static UiPathElm* default_pathelm_func(const char* full_path, size_t len, size_t* ret_nelm, void* data) { |
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664 | cxstring *pathelms; |
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665 | size_t nelm = cx_strsplit_a(cxDefaultAllocator, cx_strn(full_path, len), CX_STR("/"), 4096, &pathelms); |
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666 | |
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667 | if (nelm == 0) { |
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668 | *ret_nelm = 0; |
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669 | return NULL; |
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670 | } |
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671 | |
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672 | UiPathElm* elms = (UiPathElm*)calloc(nelm, sizeof(UiPathElm)); |
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673 | size_t n = nelm; |
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674 | int j = 0; |
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675 | for (int i = 0; i < nelm; i++) { |
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676 | cxstring c = pathelms[i]; |
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677 | if (c.length == 0) { |
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678 | if (i == 0) { |
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679 | c.length = 1; |
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680 | } |
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681 | else { |
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682 | n--; |
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683 | continue; |
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684 | } |
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685 | } |
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686 | |
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687 | cxmutstr m = cx_strdup(c); |
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688 | elms[j].name = m.ptr; |
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689 | elms[j].name_len = m.length; |
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690 | |
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691 | size_t elm_path_len = c.ptr + c.length - full_path; |
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692 | cxmutstr elm_path = cx_strdup(cx_strn(full_path, elm_path_len)); |
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693 | elms[j].path = elm_path.ptr; |
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694 | elms[j].path_len = elm_path.length; |
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695 | |
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696 | j++; |
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697 | } |
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698 | *ret_nelm = n; |
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699 | |
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700 | return elms; |
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701 | } |
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702 | |
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703 | static void ui_pathelm_destroy(UiPathElm *elms, size_t nelm) { |
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704 | for(int i=0;i<nelm;i++) { |
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705 | free(elms[i].name); |
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706 | free(elms[i].path); |
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707 | } |
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708 | free(elms); |
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709 | } |
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710 | |
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711 | static void ui_path_textfield_destroy(GtkWidget *object, UiPathTextField *pathtf) { |
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712 | g_object_unref(pathtf->entry); |
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713 | free(pathtf); |
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714 | } |
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715 | |
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716 | void ui_path_button_clicked(GtkWidget *widget, UiEventDataExt *event) { |
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717 | UiPathTextField *pathtf = event->customdata1; |
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718 | for(int i=0;i<event->value1;i++) { |
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719 | if(i <= event->value0) { |
326 | 720 | WIDGET_REMOVE_CSS_CLASS(pathtf->current_path_buttons[i], "pathbar-button-inactive"); |
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721 | } else { |
326 | 722 | WIDGET_ADD_CSS_CLASS(pathtf->current_path_buttons[i], "pathbar-button-inactive"); |
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723 | } |
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724 | } |
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725 | |
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726 | UiPathElm *elm = event->customdata0; |
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727 | cxmutstr path = cx_strdup(cx_strn(elm->path, elm->path_len)); |
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728 | UiEvent evt; |
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729 | evt.obj = event->obj; |
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730 | evt.window = evt.obj->window; |
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731 | evt.document = evt.obj->ctx->document; |
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732 | evt.eventdata = elm->path; |
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733 | evt.intval = event->value0; |
310
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734 | event->callback(&evt, event->userdata); |
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735 | free(path.ptr); |
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736 | } |
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737 | |
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738 | int ui_pathtextfield_update(UiPathTextField* pathtf, const char *full_path) { |
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739 | size_t full_path_len = strlen(full_path); |
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740 | if(full_path_len == 0) { |
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741 | return 1; |
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742 | } |
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743 | |
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744 | size_t nelm = 0; |
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745 | UiPathElm* path_elm = pathtf->getpathelm(full_path, full_path_len, &nelm, pathtf->getpathelmdata); |
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746 | if (!path_elm) { |
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747 | return 1; |
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748 | } |
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749 | |
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750 | free(pathtf->current_path); |
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751 | pathtf->current_path = strdup(full_path); |
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752 | |
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753 | ui_pathelm_destroy(pathtf->current_pathelms, pathtf->current_nelm); |
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754 | free(pathtf->current_path_buttons); |
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755 | pathtf->current_path_buttons = calloc(nelm, sizeof(GtkWidget*)); |
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756 | pathtf->current_pathelms = path_elm; |
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757 | pathtf->current_nelm = nelm; |
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758 | |
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759 | return ui_pathtextfield_update_widget(pathtf); |
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760 | } |
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761 | |
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762 | static GtkWidget* ui_path_elm_button(UiPathTextField *pathtf, UiPathElm *elm, int i) { |
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763 | cxmutstr name = cx_strdup(cx_strn(elm->name, elm->name_len)); |
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764 | GtkWidget *button = gtk_button_new_with_label(name.ptr); |
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765 | pathtf->current_path_buttons[i] = button; |
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766 | free(name.ptr); |
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767 | |
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768 | if(pathtf->onactivate) { |
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769 | UiEventDataExt *eventdata = malloc(sizeof(UiEventDataExt)); |
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770 | memset(eventdata, 0, sizeof(UiEventDataExt)); |
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771 | eventdata->callback = pathtf->onactivate; |
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772 | eventdata->userdata = pathtf->onactivatedata; |
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773 | eventdata->obj = pathtf->obj; |
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774 | eventdata->customdata0 = elm; |
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775 | eventdata->customdata1 = pathtf; |
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776 | eventdata->value0 = i; |
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777 | eventdata->value1 = pathtf->current_nelm; |
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778 | |
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779 | g_signal_connect( |
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780 | button, |
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781 | "clicked", |
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782 | G_CALLBACK(ui_path_button_clicked), |
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783 | eventdata); |
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784 | |
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785 | g_signal_connect( |
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786 | button, |
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787 | "destroy", |
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788 | G_CALLBACK(ui_destroy_userdata), |
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789 | eventdata); |
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790 | } |
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791 | |
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792 | return button; |
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793 | } |
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794 | |
282
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795 | static void ui_path_textfield_activate(GtkWidget *entry, UiPathTextField *pathtf) { |
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796 | const gchar *text = ENTRY_GET_TEXT(pathtf->entry); |
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797 | if(strlen(text) == 0) { |
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798 | return; |
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799 | } |
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800 | |
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801 | UiObject *obj = pathtf->obj; |
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802 | |
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803 | if(ui_pathtextfield_update(pathtf, text)) { |
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804 | return; |
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805 | } |
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806 | |
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807 | if(pathtf->onactivate) { |
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808 | UiEvent evt; |
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809 | evt.obj = obj; |
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810 | evt.window = obj->window; |
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811 | evt.document = obj->ctx->document; |
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812 | evt.eventdata = (char*)text; |
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813 | evt.intval = -1; |
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814 | pathtf->onactivate(&evt, pathtf->onactivatedata); |
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815 | } |
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816 | } |
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817 | |
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818 | #if GTK_MAJOR_VERSION >= 4 |
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819 | |
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820 | static void pathbar_show_hbox(GtkWidget *widget, UiPathTextField *pathtf) { |
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821 | if(pathtf->current_path) { |
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822 | gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->hbox); |
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823 | ENTRY_SET_TEXT(pathtf->entry, pathtf->current_path); |
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824 | } |
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825 | } |
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826 | |
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827 | static gboolean ui_path_textfield_key_controller( |
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828 | GtkEventControllerKey* self, |
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829 | guint keyval, |
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830 | guint keycode, |
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831 | GdkModifierType state, |
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832 | UiPathTextField *pathtf) |
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833 | { |
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834 | if(keyval == GDK_KEY_Escape) { |
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835 | pathbar_show_hbox(NULL, pathtf); |
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836 | } |
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837 | return FALSE; |
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838 | } |
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839 | |
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840 | UIWIDGET ui_path_textfield_create(UiObject* obj, UiPathTextFieldArgs args) { |
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841 | UiObject* current = uic_current_obj(obj); |
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842 | |
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843 | UiPathTextField *pathtf = malloc(sizeof(UiPathTextField)); |
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844 | memset(pathtf, 0, sizeof(UiPathTextField)); |
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845 | pathtf->obj = obj; |
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846 | pathtf->getpathelm = args.getpathelm; |
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847 | pathtf->getpathelmdata = args.getpathelmdata; |
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848 | pathtf->onactivate = args.onactivate; |
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849 | pathtf->onactivatedata = args.onactivatedata; |
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850 | pathtf->ondragcomplete = args.ondragcomplete; |
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851 | pathtf->ondragcompletedata = args.ondragcompletedata; |
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852 | pathtf->ondragstart = args.ondragstart; |
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853 | pathtf->ondragstartdata = args.ondragstartdata; |
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854 | pathtf->ondrop = args.ondrop; |
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855 | pathtf->ondropdata = args.ondropsdata; |
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856 | |
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857 | if(!pathtf->getpathelm) { |
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858 | pathtf->getpathelm = default_pathelm_func; |
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859 | pathtf->getpathelmdata = NULL; |
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860 | } |
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861 | |
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862 | pathtf->stack = gtk_stack_new(); |
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863 | gtk_widget_set_name(pathtf->stack, "path-textfield-box"); |
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864 | |
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865 | UI_APPLY_LAYOUT1(current, args); |
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866 | current->container->add(current->container, pathtf->stack, FALSE); |
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867 | |
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868 | pathtf->entry_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); |
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869 | pathtf->entry = gtk_entry_new(); |
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870 | gtk_box_append(GTK_BOX(pathtf->entry_box), pathtf->entry); |
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871 | gtk_widget_set_hexpand(pathtf->entry, TRUE); |
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872 | |
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873 | GtkWidget *cancel_button = gtk_button_new_from_icon_name("window-close-symbolic"); |
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874 | gtk_widget_add_css_class(cancel_button, "flat"); |
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875 | gtk_widget_add_css_class(cancel_button, "pathbar-extra-button"); |
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876 | gtk_box_append(GTK_BOX(pathtf->entry_box), cancel_button); |
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877 | g_signal_connect( |
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878 | cancel_button, |
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879 | "clicked", |
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880 | G_CALLBACK(pathbar_show_hbox), |
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881 | pathtf); |
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882 | |
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883 | gtk_stack_add_child(GTK_STACK(pathtf->stack), pathtf->entry_box); |
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884 | g_object_ref(pathtf->entry); // for compatibility with older pathbar version |
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885 | g_signal_connect( |
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886 | pathtf->entry, |
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887 | "activate", |
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888 | G_CALLBACK(ui_path_textfield_activate), |
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889 | pathtf); |
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890 | |
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891 | GtkEventController *entry_cancel = gtk_event_controller_key_new(); |
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892 | gtk_widget_add_controller(pathtf->entry, entry_cancel); |
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893 | g_signal_connect(entry_cancel, "key-pressed", G_CALLBACK(ui_path_textfield_key_controller), pathtf); |
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894 | |
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895 | gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->entry_box); |
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896 | |
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897 | |
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898 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING); |
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899 | if (var) { |
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900 | UiString* value = (UiString*)var->value; |
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901 | value->obj = pathtf; |
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902 | value->get = ui_path_textfield_get; |
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903 | value->set = ui_path_textfield_set; |
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904 | |
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905 | if(value->value.ptr) { |
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906 | char *str = strdup(value->value.ptr); |
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907 | ui_string_set(value, str); |
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908 | free(str); |
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909 | } |
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910 | } |
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911 | |
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912 | return pathtf->stack; |
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913 | } |
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914 | |
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915 | static void pathbar_pressed( |
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916 | GtkGestureClick* self, |
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917 | gint n_press, |
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918 | gdouble x, |
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919 | gdouble y, |
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920 | UiPathTextField *pathtf) |
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921 | { |
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922 | gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->entry_box); |
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923 | gtk_widget_grab_focus(pathtf->entry); |
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924 | } |
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925 | |
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926 | int ui_pathtextfield_update_widget(UiPathTextField* pathtf) { |
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927 | // recreate button hbox |
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928 | if(pathtf->hbox) { |
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929 | gtk_stack_remove(GTK_STACK(pathtf->stack), pathtf->hbox); |
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930 | } |
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931 | pathtf->hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); |
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932 | gtk_box_set_homogeneous(GTK_BOX(pathtf->hbox), FALSE); |
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933 | gtk_stack_add_child(GTK_STACK(pathtf->stack), pathtf->hbox); |
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934 | gtk_widget_set_name(pathtf->hbox, "pathbar"); |
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935 | |
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936 | // add buttons for path elements |
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937 | for (int i=0;i<pathtf->current_nelm;i++) { |
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938 | UiPathElm *elm = &pathtf->current_pathelms[i]; |
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939 | |
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940 | GtkWidget *button = ui_path_elm_button(pathtf, elm, i); |
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941 | gtk_widget_add_css_class(button, "flat"); |
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942 | |
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943 | gtk_box_append(GTK_BOX(pathtf->hbox), button); |
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944 | |
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945 | if(i+1 < pathtf->current_nelm && cx_strcmp(cx_strn(elm->name, elm->name_len), CX_STR("/"))) { |
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946 | GtkWidget *path_separator = gtk_label_new("/"); |
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947 | gtk_widget_add_css_class(path_separator, "pathbar-button-inactive"); |
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948 | gtk_box_append(GTK_BOX(pathtf->hbox), path_separator); |
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949 | } |
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950 | } |
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951 | gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->hbox); |
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952 | |
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953 | // create a widget for receiving button press events |
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954 | GtkWidget *event_area = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); |
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955 | GtkGesture *handler = gtk_gesture_click_new(); |
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956 | gtk_widget_add_controller(event_area, GTK_EVENT_CONTROLLER(handler)); |
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957 | g_signal_connect( |
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958 | handler, |
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959 | "pressed", |
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960 | G_CALLBACK(pathbar_pressed), |
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961 | pathtf); |
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962 | gtk_widget_set_hexpand(event_area, TRUE); |
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963 | gtk_widget_set_vexpand(event_area, TRUE); |
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964 | gtk_box_append(GTK_BOX(pathtf->hbox), event_area); |
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965 | |
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966 | return 0; |
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967 | } |
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968 | |
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969 | #else |
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970 | |
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971 | static gboolean path_textfield_btn_pressed(GtkWidget *widget, GdkEventButton *event, UiPathTextField *pathtf) { |
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972 | gtk_box_pack_start(GTK_BOX(pathtf->hbox), pathtf->entry, TRUE, TRUE, 0); |
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973 | gtk_container_remove(GTK_CONTAINER(pathtf->hbox), pathtf->buttonbox); |
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974 | pathtf->buttonbox = NULL; |
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975 | |
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976 | gtk_widget_show(pathtf->entry); |
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977 | gtk_widget_grab_focus(pathtf->entry); |
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978 | |
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979 | return TRUE; |
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980 | } |
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981 | |
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982 | static gboolean ui_path_textfield_key_press(GtkWidget *self, GdkEventKey *event, UiPathTextField *pathtf) { |
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983 | if (event->keyval == GDK_KEY_Escape) { |
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984 | // reset GtkEntry value |
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985 | gtk_entry_set_text(GTK_ENTRY(self), pathtf->current_path); |
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986 | const gchar *text = gtk_entry_get_text(GTK_ENTRY(self)); |
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987 | ui_pathtextfield_update(pathtf, text); |
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988 | return TRUE; |
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989 | } |
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990 | return FALSE; |
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991 | } |
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992 | |
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993 | static GtkWidget* create_path_button_box() { |
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994 | GtkWidget *bb = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL); |
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995 | gtk_button_box_set_layout(GTK_BUTTON_BOX(bb), GTK_BUTTONBOX_EXPAND); // linked style |
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996 | gtk_box_set_homogeneous(GTK_BOX(bb), FALSE); |
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997 | gtk_box_set_spacing(GTK_BOX(bb), 0); |
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998 | return bb; |
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999 | } |
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1000 | |
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1001 | UIWIDGET ui_path_textfield_create(UiObject* obj, UiPathTextFieldArgs args) { |
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1002 | UiObject* current = uic_current_obj(obj); |
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1003 | |
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1004 | UiPathTextField *pathtf = malloc(sizeof(UiPathTextField)); |
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1005 | memset(pathtf, 0, sizeof(UiPathTextField)); |
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1006 | pathtf->obj = obj; |
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1007 | pathtf->getpathelm = args.getpathelm; |
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1008 | pathtf->getpathelmdata = args.getpathelmdata; |
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1009 | pathtf->onactivate = args.onactivate; |
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1010 | pathtf->onactivatedata = args.onactivatedata; |
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1011 | pathtf->ondragcomplete = args.ondragcomplete; |
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1012 | pathtf->ondragcompletedata = args.ondragcompletedata; |
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1013 | pathtf->ondragstart = args.ondragstart; |
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1014 | pathtf->ondragstartdata = args.ondragstartdata; |
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1015 | pathtf->ondrop = args.ondrop; |
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1016 | pathtf->ondropdata = args.ondropsdata; |
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1017 | |
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1018 | if(!pathtf->getpathelm) { |
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1019 | pathtf->getpathelm = default_pathelm_func; |
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1020 | pathtf->getpathelmdata = NULL; |
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1021 | } |
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1022 | |
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1023 | // top level container for the path textfield is a GtkEventBox |
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1024 | // the event box is needed to handle background button presses |
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1025 | GtkWidget *eventbox = gtk_event_box_new(); |
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1026 | g_signal_connect( |
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1027 | eventbox, |
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1028 | "button-press-event", |
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1029 | G_CALLBACK(path_textfield_btn_pressed), |
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1030 | pathtf); |
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1031 | g_signal_connect( |
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1032 | eventbox, |
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1033 | "destroy", |
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1034 | G_CALLBACK(ui_path_textfield_destroy), |
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1035 | pathtf); |
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1036 | |
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1037 | UI_APPLY_LAYOUT1(current, args); |
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1038 | current->container->add(current->container, eventbox, FALSE); |
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1039 | |
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1040 | // hbox as parent for the GtkEntry and GtkButtonBox |
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1041 | GtkWidget *hbox = ui_gtk_hbox_new(0); |
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1042 | pathtf->hbox = hbox; |
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1043 | gtk_container_add(GTK_CONTAINER(eventbox), hbox); |
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1044 | gtk_widget_set_name(hbox, "path-textfield-box"); |
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1045 | |
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1046 | // create GtkEntry, that is also visible by default (with input yet) |
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1047 | pathtf->entry = gtk_entry_new(); |
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1048 | g_object_ref(G_OBJECT(pathtf->entry)); |
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1049 | gtk_box_pack_start(GTK_BOX(hbox), pathtf->entry, TRUE, TRUE, 0); |
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1050 | |
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1051 | g_signal_connect( |
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1052 | pathtf->entry, |
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1053 | "activate", |
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1054 | G_CALLBACK(ui_path_textfield_activate), |
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1055 | pathtf); |
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1056 | g_signal_connect( |
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1057 | pathtf->entry, |
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1058 | "key-press-event", |
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1059 | G_CALLBACK(ui_path_textfield_key_press), |
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1060 | pathtf); |
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1061 | |
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1062 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING); |
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1063 | if (var) { |
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1064 | UiString* value = (UiString*)var->value; |
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1065 | value->obj = pathtf; |
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1066 | value->get = ui_path_textfield_get; |
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1067 | value->set = ui_path_textfield_set; |
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1068 | |
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1069 | if(value->value.ptr) { |
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1070 | char *str = strdup(value->value.ptr); |
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1071 | ui_string_set(value, str); |
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1072 | free(str); |
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1073 | } |
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1074 | } |
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1075 | |
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1076 | return hbox; |
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1077 | } |
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1078 | |
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1079 | int ui_pathtextfield_update_widget(UiPathTextField* pathtf) { |
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1080 | GtkWidget *buttonbox = create_path_button_box(); |
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1081 | |
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1082 | // switch from entry to buttonbox or remove current buttonbox |
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1083 | if(pathtf->buttonbox) { |
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1084 | gtk_container_remove(GTK_CONTAINER(pathtf->hbox), pathtf->buttonbox); |
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1085 | } else { |
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1086 | gtk_container_remove(GTK_CONTAINER(pathtf->hbox), pathtf->entry); |
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1087 | } |
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1088 | gtk_box_pack_start(GTK_BOX(pathtf->hbox), buttonbox, FALSE, FALSE, 0); |
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1089 | pathtf->buttonbox = buttonbox; |
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1090 | |
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1091 | for (int i=0;i<pathtf->current_nelm;i++) { |
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1092 | UiPathElm *elm = &pathtf->current_pathelms[i]; |
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1093 | GtkWidget *button = ui_path_elm_button(pathtf, elm, i); |
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1094 | gtk_box_pack_start(GTK_BOX(buttonbox), button, FALSE, FALSE, 0); |
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1095 | } |
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1096 | |
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1097 | gtk_widget_show_all(buttonbox); |
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1098 | |
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1099 | return 0; |
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1100 | } |
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1101 | |
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1102 | #endif |
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1103 | |
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1104 | char* ui_path_textfield_get(UiString *str) { |
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1105 | if(str->value.ptr) { |
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1106 | str->value.free(str->value.ptr); |
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1107 | } |
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1108 | UiPathTextField *tf = str->obj; |
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1109 | str->value.ptr = g_strdup(ENTRY_GET_TEXT(tf->entry)); |
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1110 | str->value.free = (ui_freefunc)g_free; |
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1111 | return str->value.ptr; |
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1112 | } |
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1113 | |
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1114 | void ui_path_textfield_set(UiString *str, const char *value) { |
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1115 | UiPathTextField *tf = str->obj; |
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1116 | ENTRY_SET_TEXT(tf->entry, value); |
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1117 | ui_pathtextfield_update(tf, value); |
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1118 | if(str->value.ptr) { |
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1119 | str->value.free(str->value.ptr); |
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1120 | str->value.ptr = NULL; |
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1121 | str->value.free = NULL; |
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1122 | } |
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1123 | } |