ui/motif/window.c

Tue, 29 Oct 2024 11:51:25 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Tue, 29 Oct 2024 11:51:25 +0100
changeset 71
9e19ac687b9f
parent 29
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permissions
-rw-r--r--

fix crash when closing the preferences window (GTK3)

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2014 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include "toolkit.h"
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33 #include "menu.h"
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34 #include "toolbar.h"
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35 #include "container.h"
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36 #include "../ui/window.h"
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37 #include "../common/context.h"
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38
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39 #include <cx/mempool.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 = 600;
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44 static int window_default_height = 500;
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45
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46 static void window_close_handler(Widget window, void *udata, void *cdata) {
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47 UiObject *obj = udata;
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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 if(nwindows == 0) {
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62 ui_exit_mainloop();
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63 }
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64 }
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65
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66 static UiObject* create_window(char *title, void *window_data, UiBool simple) {
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67 CxMempool *mp = cxBasicMempoolCreate(256);
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68 const CxAllocator *a = mp->allocator;
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69 UiObject *obj = cxCalloc(a, 1, sizeof(UiObject));
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70 obj->ctx = uic_context(obj, mp);
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71 obj->window = window_data;
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72
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73 Arg args[16];
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74 int n = 0;
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75
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76 XtSetArg(args[0], XmNtitle, title);
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77 //XtSetArg(args[1], XmNbaseWidth, window_default_width);
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78 //XtSetArg(args[2], XmNbaseHeight, window_default_height);
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79 XtSetArg(args[1], XmNminWidth, 100);
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80 XtSetArg(args[2], XmNminHeight, 50);
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81 XtSetArg(args[3], XmNwidth, window_default_width);
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82 XtSetArg(args[4], XmNheight, window_default_height);
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83
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84 Widget toplevel = XtAppCreateShell(
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85 "Test123",
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86 "abc",
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87 //applicationShellWidgetClass,
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88 vendorShellWidgetClass,
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89 ui_get_display(),
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90 args,
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91 5);
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92
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93 Atom wm_delete_window;
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94 wm_delete_window = XmInternAtom(
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95 XtDisplay(toplevel),
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96 "WM_DELETE_WINDOW",
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97 0);
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98 XmAddWMProtocolCallback(
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99 toplevel,
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100 wm_delete_window,
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101 window_close_handler,
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102 obj);
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103
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104 // TODO: use callback
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105 ui_set_active_window(toplevel);
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106
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107 Widget window = XtVaCreateManagedWidget(
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108 title,
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109 xmMainWindowWidgetClass,
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110 toplevel,
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111 NULL);
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112 obj->widget = window;
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113 Widget form = XtVaCreateManagedWidget(
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114 "window_form",
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115 xmFormWidgetClass,
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116 window,
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117 NULL);
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118 Widget toolbar = NULL;
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119
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120 if(!simple) {
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121 ui_create_menubar(obj);
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122 toolbar = ui_create_toolbar(obj, form);
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123 }
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124
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125 // window content
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126 XtSetArg(args[0], XmNshadowType, XmSHADOW_ETCHED_OUT);
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127 XtSetArg(args[1], XmNshadowThickness, 0);
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128 XtSetArg(args[2], XmNleftAttachment, XmATTACH_FORM);
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129 XtSetArg(args[3], XmNrightAttachment, XmATTACH_FORM);
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130 XtSetArg(args[4], XmNbottomAttachment, XmATTACH_FORM);
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131 if(toolbar) {
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132 XtSetArg(args[5], XmNtopAttachment, XmATTACH_WIDGET);
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133 XtSetArg(args[6], XmNtopWidget, toolbar);
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134 n = 7;
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135 } else {
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136 XtSetArg(args[5], XmNtopAttachment, XmATTACH_FORM);
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137 n = 6;
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138 }
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139 Widget frame = XmCreateFrame(form, "content_frame", args, n);
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140 XtManageChild(frame);
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141
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142 Widget content_form = XmCreateForm(frame, "content_form", NULL, 0);
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143 XtManageChild(content_form);
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144 obj->container = ui_box_container(obj, content_form, 0, 0, UI_BOX_VERTICAL);
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145
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146 XtManageChild(form);
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147
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148 obj->widget = toplevel;
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149 nwindows++;
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150 return obj;
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151 }
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152
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153 UiObject* ui_window(char *title, void *window_data) {
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154 return create_window(title, window_data, FALSE);
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155 }
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156
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157 UiObject* ui_simplewindow(char *title, void *window_data) {
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158 return create_window(title, window_data, TRUE);
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159 }
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160
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161 void ui_close(UiObject *obj) {
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162 XtDestroyWidget(obj->widget);
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163 window_close_handler(obj->widget, obj, NULL);
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164 }
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165
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166 typedef struct FileDialogData {
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167 int running;
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168 char *file;
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169 } FileDialogData;
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170
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171 static void filedialog_select(
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172 Widget widget,
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173 FileDialogData *data,
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174 XmFileSelectionBoxCallbackStruct *selection)
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175 {
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176 char *path = NULL;
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177 XmStringGetLtoR(selection->value, XmSTRING_DEFAULT_CHARSET, &path);
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178 data->running = 0;
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179 data->file = strdup(path);
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180 XtFree(path);
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181 XtUnmanageChild(widget);
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182 }
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183
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184 static void filedialog_cancel(
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185 Widget widget,
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186 FileDialogData *data,
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187 XmFileSelectionBoxCallbackStruct *selection)
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188
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189 {
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190 data->running = 0;
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191 XtUnmanageChild(widget);
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192 }
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193
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194 char* ui_openfiledialog(UiObject *obj) {
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195 Widget dialog = XmCreateFileSelectionDialog(obj->widget, "openfiledialog", NULL, 0);
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196 XtManageChild(dialog);
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197
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198 FileDialogData data;
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199 data.running = 1;
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200 data.file = NULL;
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201
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202 XtAddCallback(dialog, XmNokCallback, (XtCallbackProc)filedialog_select, &data);
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203 XtAddCallback(dialog, XmNcancelCallback, (XtCallbackProc)filedialog_cancel, &data);
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204
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205 ui_secondary_event_loop(&data.running);
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206 return data.file;
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207 }
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208
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209 char* ui_savefiledialog(UiObject *obj) {
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210 return ui_openfiledialog(obj);
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211 }

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