ui/gtk/window.c

Sat, 11 Nov 2017 11:59:06 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 11 Nov 2017 11:59:06 +0100
changeset 143
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parent 140
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child 148
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permissions
-rw-r--r--

adds observer support for textarea and textfield (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 2017 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 "../ui/window.h"
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34 #include "../ui/properties.h"
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35 #include "../common/context.h"
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36
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37 #include "menu.h"
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38 #include "toolbar.h"
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39 #include "container.h"
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40
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41 static int nwindows = 0;
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42
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43 static int window_default_width = 650;
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44 static int window_default_height = 550;
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45
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46 void ui_exit_event(GtkWidget *widget, gpointer data) {
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47 UiObject *obj = data;
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48 UiEvent ev;
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49 ev.window = obj->window;
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50 ev.document = obj->ctx->document;
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51 ev.obj = obj;
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52 ev.eventdata = NULL;
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53 ev.intval = 0;
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54
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55 if(obj->ctx->close_callback) {
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56 obj->ctx->close_callback(&ev, obj->ctx->close_data);
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57 }
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58 // TODO: free UiObject
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59
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60 nwindows--;
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61 #ifdef UI_GTK2
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62 if(nwindows == 0) {
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63 gtk_main_quit();
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64 }
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65 #endif
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66 }
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67
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68 static UiObject* create_window(char *title, void *window_data, UiBool simple) {
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69 UcxMempool *mp = ucx_mempool_new(256);
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70 UiObject *obj = ucx_mempool_calloc(mp, 1, sizeof(UiObject));
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71
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72 #ifndef UI_GTK2
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73 obj->widget = gtk_application_window_new(ui_get_application());
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74 #else
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75 obj->widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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76 #endif
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77
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78
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79 obj->ctx = uic_context(obj, mp);
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80 obj->window = window_data;
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81
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82 if(title != NULL) {
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83 gtk_window_set_title(GTK_WINDOW(obj->widget), title);
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84 }
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85
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86 char *width = ui_get_property("ui.window.width");
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87 char *height = ui_get_property("ui.window.height");
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88 if(width && height) {
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89 gtk_window_set_default_size(
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90 GTK_WINDOW(obj->widget),
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91 atoi(width),
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92 atoi(height));
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93 } else {
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94 gtk_window_set_default_size(
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95 GTK_WINDOW(obj->widget),
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96 window_default_width,
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97 window_default_height);
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98 }
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99
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100 g_signal_connect(
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101 obj->widget,
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102 "destroy",
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103 G_CALLBACK(ui_exit_event),
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104 obj);
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105
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106 GtkWidget *vbox = ui_gtk_vbox_new(0);
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107 gtk_container_add(GTK_CONTAINER(obj->widget), vbox);
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108
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109 if(!simple) {
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110 // menu
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111 GtkWidget *mb = ui_create_menubar(obj);
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112 if(mb) {
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113 gtk_box_pack_start(GTK_BOX(vbox), mb, FALSE, FALSE, 0);
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114 }
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115
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116 // toolbar
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117 GtkWidget *tb = ui_create_toolbar(obj);
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118 if(tb) {
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119 gtk_box_pack_start(GTK_BOX(vbox), tb, FALSE, FALSE, 0);
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120 }
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121 }
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122
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123 // window content
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124 // the content has a (TODO: not yet) configurable frame
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125 GtkWidget *frame = gtk_alignment_new(0.5, 0.5, 1, 1);
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126 gtk_box_pack_start(GTK_BOX(vbox), frame, TRUE, TRUE, 0);
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127
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128 // content vbox
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129 GtkWidget *content_box = ui_gtk_vbox_new(0);
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130 gtk_container_add(GTK_CONTAINER(frame), content_box);
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131 obj->container = ui_box_container(obj, content_box);
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132
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133 nwindows++;
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134 return obj;
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135 }
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136
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137
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138 UiObject* ui_window(char *title, void *window_data) {
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139 return create_window(title, window_data, FALSE);
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140 }
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141
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142 UiObject* ui_simplewindow(char *title, void *window_data) {
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143 return create_window(title, window_data, TRUE);
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144 }
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145
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146 static char* ui_gtkfilechooser(UiObject *obj, GtkFileChooserAction action) {
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147 char *button;
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148 char *title;
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149
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150 if(action == GTK_FILE_CHOOSER_ACTION_OPEN) {
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151 button = GTK_STOCK_OPEN;
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152 title = "Datei öffnen...";
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153 } else {
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154 button = GTK_STOCK_SAVE;
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155 title = "Datei speichern...";
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156 }
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157
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158 GtkWidget *dialog = gtk_file_chooser_dialog_new(
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159 title,
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160 GTK_WINDOW(obj->widget),
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161 action,
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162 GTK_STOCK_CANCEL,
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163 GTK_RESPONSE_CANCEL,
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164 button,
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165 GTK_RESPONSE_ACCEPT,
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166 NULL);
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167 if(gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
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168 char *file = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
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169 gtk_widget_destroy(dialog);
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170 char *copy = strdup(file);
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171 g_free(file);
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172 return copy;
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173 } else {
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174 gtk_widget_destroy(dialog);
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175 return NULL;
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176 }
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177 }
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178
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179 char* ui_openfiledialog(UiObject *obj) {
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180 return ui_gtkfilechooser(obj, GTK_FILE_CHOOSER_ACTION_OPEN);
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181 }
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182
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183 char* ui_savefiledialog(UiObject *obj) {
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184 return ui_gtkfilechooser(obj, GTK_FILE_CHOOSER_ACTION_SAVE);
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185 }
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186

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