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0
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1 /* The lwlib interface to Motif widgets.
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2 Copyright (C) 1992, 1993, 1994 Lucid, Inc.
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3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
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4
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5 This file is part of the Lucid Widget Library.
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6
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7 The Lucid Widget Library is free software; you can redistribute it and/or
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8 modify it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2, or (at your option)
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10 any later version.
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11
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12 The Lucid Widget Library is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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80
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18 along with XEmacs; see the file COPYING. If not, write to
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78
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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0
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21
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157
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22 #include <config.h>
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0
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23 #include <stdlib.h>
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24 #include <string.h>
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25 #include <stdio.h>
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157
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26 #ifdef HAVE_LIMITS_H
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0
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27 #include <limits.h>
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157
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28 #endif
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29 #ifdef HAVE_UNISTD_H
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30 #include <unistd.h>
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31 #endif
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0
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32
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33 #include <X11/StringDefs.h>
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34 #include <X11/IntrinsicP.h>
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35 #include <X11/ObjectP.h>
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36 #include <X11/CoreP.h>
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37 #include <X11/CompositeP.h>
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38
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39 #include "lwlib-Xm.h"
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40 #include "lwlib-utils.h"
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41
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42 #include <Xm/Xm.h>
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43 #include <Xm/BulletinB.h>
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44 #include <Xm/CascadeB.h>
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45 #include <Xm/DrawingA.h>
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46 #include <Xm/FileSB.h>
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47 #include <Xm/Label.h>
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48 #include <Xm/List.h>
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49 #include <Xm/MenuShell.h>
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50 #include <Xm/MessageB.h>
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51 #include <Xm/PushB.h>
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52 #include <Xm/PushBG.h>
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53 #include <Xm/ArrowB.h>
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54 #include <Xm/ScrollBar.h>
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55 #include <Xm/SelectioB.h>
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56 #include <Xm/Text.h>
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57 #include <Xm/TextF.h>
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58 #include <Xm/ToggleB.h>
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59 #include <Xm/ToggleBG.h>
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60 #include <Xm/RowColumn.h>
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61 #include <Xm/ScrolledW.h>
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62 #include <Xm/Separator.h>
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63 #include <Xm/DialogS.h>
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64 #include <Xm/Form.h>
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65
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66 #ifdef MENUBARS_MOTIF
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67 static void xm_pull_down_callback (Widget, XtPointer, XtPointer);
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68 #if 0
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69 static void xm_pop_down_callback (Widget, XtPointer, XtPointer);
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70 #endif /* 0 */
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71 #endif
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72 static void xm_internal_update_other_instances (Widget, XtPointer,
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73 XtPointer);
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74 static void xm_generic_callback (Widget, XtPointer, XtPointer);
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75 #ifdef DIALOGS_MOTIF
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76 static void xm_nosel_callback (Widget, XtPointer, XtPointer);
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77 #endif
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78 #ifdef SCROLLBARS_MOTIF
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79 static void xm_scrollbar_callback (Widget, XtPointer, XtPointer);
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80 #endif
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81
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82 #ifdef MENUBARS_MOTIF
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83 static void
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84 xm_update_menu (widget_instance* instance, Widget widget, widget_value* val,
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85 Boolean deep_p);
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86 #endif
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87
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88 /* Structures to keep destroyed instances */
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89 typedef struct _destroyed_instance
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90 {
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91 char* name;
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92 char* type;
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93 Widget widget;
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94 Widget parent;
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95 Boolean pop_up_p;
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96 struct _destroyed_instance* next;
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97 } destroyed_instance;
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98
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99 static destroyed_instance*
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100 all_destroyed_instances = NULL;
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101
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102 /* Utility function. */
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103 static char *
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104 safe_strdup (char* s)
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105 {
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106 char *result;
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107 if (! s) return 0;
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108 result = (char *) malloc (strlen (s) + 1);
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109 if (! result)
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110 return 0;
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111 strcpy (result, s);
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112 return result;
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113 }
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114
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115 static destroyed_instance*
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116 make_destroyed_instance (char* name, char* type, Widget widget, Widget parent,
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117 Boolean pop_up_p)
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118 {
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80
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119 destroyed_instance* instance =
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120 (destroyed_instance*) malloc (sizeof (destroyed_instance));
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0
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121 instance->name = safe_strdup (name);
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122 instance->type = safe_strdup (type);
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123 instance->widget = widget;
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124 instance->parent = parent;
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125 instance->pop_up_p = pop_up_p;
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126 instance->next = NULL;
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127 return instance;
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128 }
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129
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130 static void
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131 free_destroyed_instance (destroyed_instance* instance)
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132 {
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133 free (instance->name);
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134 free (instance->type);
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135 free (instance);
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136 }
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137
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138 /* motif utility functions */
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139 Widget
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140 first_child (Widget widget)
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141 {
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142 return ((CompositeWidget)widget)->composite.children [0];
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143 }
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144
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145 Boolean
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146 lw_motif_widget_p (Widget widget)
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147 {
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148 return
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149 #ifdef DIALOGS_MOTIF
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150 XtClass (widget) == xmDialogShellWidgetClass ||
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151 #endif
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152 XmIsPrimitive (widget) || XmIsManager (widget) || XmIsGadget (widget);
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153 }
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154
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155 static char *
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156 resource_string (Widget widget, char *name)
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157 {
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158 XtResource resource;
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159 char *result = NULL;
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160
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80
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161 resource.resource_name = "labelString";
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78
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162 resource.resource_class = "LabelString"; /* #### should be Xmsomething... */
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0
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163 resource.resource_type = XtRString;
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164 resource.resource_size = sizeof (String);
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165 resource.resource_offset = 0;
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166 resource.default_type = XtRImmediate;
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167 resource.default_addr = 0;
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168
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169 XtGetSubresources (widget, (XtPointer)&result, name,
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170 name, &resource, 1, NULL, 0);
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171 return result;
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172 }
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173
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174 #ifdef MENUBARS_MOTIF
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175
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176 static void
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177 destroy_all_children (Widget widget)
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178 {
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179 Widget* children;
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180 unsigned int number;
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181 int i;
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182
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183 children = XtCompositeChildren (widget, &number);
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184 if (children)
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185 {
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186 /* Unmanage all children and destroy them. They will only be
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187 * really destroyed when we get out of DispatchEvent. */
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188 for (i = 0; i < number; i++)
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189 {
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190 Widget child = children [i];
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191 if (!child->core.being_destroyed)
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192 {
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193 XtUnmanageChild (child);
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194 XtDestroyWidget (child);
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195 }
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196 }
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197 XtFree ((char *) children);
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198 }
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199 }
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200
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201 #endif /* MENUBARS_MOTIF */
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202
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203
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204
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205 #ifdef DIALOGS_MOTIF
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206
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207 static Boolean
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208 is_in_dialog_box (Widget w)
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209 {
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210 Widget wmshell;
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211
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212 wmshell = XtParent (w);
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213 while (wmshell && (XtClass (wmshell) != xmDialogShellWidgetClass))
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214 wmshell = XtParent (wmshell);
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215
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216 if (wmshell && XtClass (wmshell) == xmDialogShellWidgetClass)
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217 return True;
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218 else
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219 return False;
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220 }
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221
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222 #endif /* DIALOGS_MOTIF */
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223
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224 #if defined (DIALOGS_MOTIF) || defined (MENUBARS_MOTIF)
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225
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226 /* update the label of anything subclass of a label */
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227 static void
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228 xm_update_label (widget_instance* instance, Widget widget, widget_value* val)
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229 {
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165
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230 XmString built_string = NULL;
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231 XmString key_string = NULL;
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232 XmString val_string = NULL;
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233 XmString name_string = NULL;
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234 Arg al [20];
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235 int ac = 0;
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0
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236
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237 if (val->value)
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238 {
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239 #ifdef DIALOGS_MOTIF
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240 /*
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241 * Sigh. The main text of a label is the name field for menubar
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242 * entries. The value field is a possible additional field to be
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2
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243 * concatenated on to the name field. HOWEVER, with dialog boxes
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0
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244 * the value field is the complete text which is supposed to be
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245 * displayed as the label. Yuck.
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246 */
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247 if (is_in_dialog_box (widget))
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248 {
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249 char *value_name = NULL;
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250
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251 value_name = resource_string (widget, val->value);
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252 if (!value_name)
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253 value_name = val->value;
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254
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255 built_string =
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256 XmStringCreateLtoR (value_name, XmSTRING_DEFAULT_CHARSET);
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257 }
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258 else
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165
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259 #endif /* DIALOGS_MOTIF */
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0
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260 {
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261 char *value_name = NULL;
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262 char *res_name = NULL;
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263
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264 res_name = resource_string (widget, val->name);
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265 if (!res_name)
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266 res_name = val->name;
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267
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268 name_string =
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269 XmStringCreateLtoR (res_name, XmSTRING_DEFAULT_CHARSET);
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270
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271 value_name = XtMalloc (strlen (val->value) + 2);
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272 *value_name = 0;
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273 strcat (value_name, " ");
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274 strcat (value_name, val->value);
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275
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276 val_string =
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277 XmStringCreateLtoR (value_name, XmSTRING_DEFAULT_CHARSET);
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278
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279 built_string =
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280 XmStringConcat (name_string, val_string);
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281
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282 XtFree (value_name);
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283 }
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284
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285 XtSetArg (al [ac], XmNlabelString, built_string); ac++;
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80
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286 XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++;
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0
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287 }
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288
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289 if (val->key)
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290 {
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291 key_string = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET);
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292 XtSetArg (al [ac], XmNacceleratorText, key_string); ac++;
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293 }
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294
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295 if (ac)
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296 XtSetValues (widget, al, ac);
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297
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298 if (built_string)
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299 XmStringFree (built_string);
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300
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301 if (key_string)
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302 XmStringFree (key_string);
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303
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304 if (name_string)
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305 XmStringFree (name_string);
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306 }
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307
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308 #endif /* defined (DIALOGS_MOTIF) || defined (MENUBARS_MOTIF) */
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309
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310 /* update of list */
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311 static void
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312 xm_update_list (widget_instance* instance, Widget widget, widget_value* val)
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313 {
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314 widget_value* cur;
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315 int i;
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316 XtRemoveAllCallbacks (widget, XmNsingleSelectionCallback);
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317 XtAddCallback (widget, XmNsingleSelectionCallback, xm_generic_callback,
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318 instance);
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319 for (cur = val->contents, i = 0; cur; cur = cur->next)
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320 if (cur->value)
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321 {
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322 XmString xmstr = XmStringCreate (cur->value, XmSTRING_DEFAULT_CHARSET);
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323 i += 1;
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324 XmListAddItem (widget, xmstr, 0);
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325 if (cur->selected)
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326 XmListSelectPos (widget, i, False);
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327 XmStringFree (xmstr);
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328 }
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329 }
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330
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331 /* update of buttons */
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332 static void
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333 xm_update_pushbutton (widget_instance* instance, Widget widget,
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334 widget_value* val)
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335 {
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165
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336 Arg al [1];
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337 XtSetArg (al [0], XmNalignment, XmALIGNMENT_CENTER);
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338 XtSetValues (widget, al, 1);
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0
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339 XtRemoveAllCallbacks (widget, XmNactivateCallback);
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340 XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
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341 }
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342
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343 #ifdef MENUBARS_MOTIF
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344
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345 static void
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346 xm_update_cascadebutton (widget_instance* instance, Widget widget,
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347 widget_value* val)
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348 {
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349 /* Should also rebuild the menu by calling ...update_menu... */
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350 if (val
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351 && val->type == CASCADE_TYPE
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352 && val->contents
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353 && val->contents->type == INCREMENTAL_TYPE)
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354 {
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355 /* okay, we're now doing a lisp callback to incrementally generate
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356 more of the menu. */
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357 XtRemoveAllCallbacks (widget, XmNcascadingCallback);
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358 XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback,
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359 instance);
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360 XtCallCallbacks ((Widget)widget,
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361 XmNcascadingCallback,
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362 (XtPointer)val->contents);
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363
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364 } else {
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365 XtRemoveAllCallbacks (widget, XmNcascadingCallback);
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366 XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback,
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367 instance);
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368 }
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369 }
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370
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371 #endif /* MENUBARS_MOTIF */
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372
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373 /* update toggle and radiobox */
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374 static void
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375 xm_update_toggle (widget_instance* instance, Widget widget, widget_value* val)
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376 {
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165
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377 Arg al [2];
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0
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378 XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
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379 #ifndef ENERGIZE
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380 XtAddCallback (widget, XmNvalueChangedCallback, xm_generic_callback,
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381 instance);
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382 #else
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165
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383 XtAddCallback (widget, XmNvalueChangedCallback,
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384 xm_internal_update_other_instances, instance);
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385 #endif
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386 XtSetArg (al [0], XmNset, val->selected);
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387 XtSetArg (al [1], XmNalignment, XmALIGNMENT_BEGINNING);
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388 XtSetValues (widget, al, 2);
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0
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389 }
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390
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391 static void
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392 xm_update_radiobox (widget_instance* instance, Widget widget,
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393 widget_value* val)
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394 {
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395 Widget toggle;
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396 widget_value* cur;
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397
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398 /* update the callback */
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399 XtRemoveAllCallbacks (widget, XmNentryCallback);
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400 XtAddCallback (widget, XmNentryCallback, xm_generic_callback, instance);
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401
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402 /* first update all the toggles */
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|
403 /* Energize kernel interface is currently bad. It sets the selected widget
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|
404 with the selected flag but returns it by its name. So we currently
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405 have to support both setting the selection with the selected slot
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406 of val contents and setting it with the "value" slot of val. The latter
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|
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407 has a higher priority. This to be removed when the kernel is fixed. */
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408 for (cur = val->contents; cur; cur = cur->next)
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|
|
409 {
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410 toggle = XtNameToWidget (widget, cur->value);
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|
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411 if (toggle)
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|
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412 {
|
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165
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413 Arg al [2];
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|
|
414 XtSetArg (al [0], XmNsensitive, cur->enabled);
|
|
|
415 XtSetArg (al [1], XmNset, (!val->value && cur->selected ? cur->selected : False));
|
|
|
416 XtSetValues (toggle, al, 2);
|
|
0
|
417 }
|
|
|
418 }
|
|
|
419
|
|
|
420 /* The selected was specified by the value slot */
|
|
|
421 if (val->value)
|
|
|
422 {
|
|
|
423 toggle = XtNameToWidget (widget, val->value);
|
|
|
424 if (toggle)
|
|
165
|
425 {
|
|
|
426 Arg al [1];
|
|
|
427 XtSetArg (al [0], XmNset, True);
|
|
|
428 XtSetValues (toggle, al, 1);
|
|
|
429 }
|
|
0
|
430 }
|
|
|
431 }
|
|
|
432
|
|
|
433 #ifdef MENUBARS_MOTIF
|
|
|
434
|
|
|
435 /* update a popup menu, pulldown menu or a menubar */
|
|
|
436 static void
|
|
|
437 make_menu_in_widget (widget_instance* instance, Widget widget,
|
|
|
438 widget_value* val)
|
|
|
439 {
|
|
|
440 Widget* children = 0;
|
|
|
441 int num_children;
|
|
|
442 int child_index;
|
|
|
443 widget_value* cur;
|
|
|
444 Widget button = 0;
|
|
|
445 Widget menu;
|
|
|
446 Arg al [256];
|
|
|
447 int ac;
|
|
165
|
448 Boolean menubar_p = False;
|
|
0
|
449
|
|
|
450 /* Allocate the children array */
|
|
|
451 for (num_children = 0, cur = val; cur; num_children++, cur = cur->next);
|
|
|
452 children = (Widget*)XtMalloc (num_children * sizeof (Widget));
|
|
|
453
|
|
|
454 /* tricky way to know if this RowColumn is a menubar or a pulldown... */
|
|
165
|
455 XtSetArg (al [0], XmNisHomogeneous, &menubar_p);
|
|
|
456 XtGetValues (widget, al, 1);
|
|
0
|
457
|
|
|
458 /* add the unmap callback for popups and pulldowns */
|
|
|
459 /*** this sounds bogus ***/
|
|
|
460 /* probably because it is -- cet */
|
|
|
461 /*
|
|
|
462 if (!menubar_p)
|
|
|
463 XtAddCallback (XtParent (widget), XmNpopdownCallback,
|
|
|
464 xm_pop_down_callback, (XtPointer)instance);
|
|
|
465 */
|
|
|
466
|
|
|
467 num_children = 0;
|
|
|
468 for (child_index = 0, cur = val; cur; child_index++, cur = cur->next)
|
|
|
469 {
|
|
|
470 ac = 0;
|
|
|
471 button = 0;
|
|
80
|
472 XtSetArg (al [ac], XmNsensitive, cur->enabled); ac++;
|
|
|
473 XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
|
|
|
474 XtSetArg (al [ac], XmNuserData, cur->call_data); ac++;
|
|
0
|
475
|
|
|
476 switch (cur->type)
|
|
|
477 {
|
|
|
478 case PUSHRIGHT_TYPE:
|
|
|
479 /* A pushright marker which is not needed for the real Motif
|
|
|
480 menubar. */
|
|
|
481 break;
|
|
|
482 case SEPARATOR_TYPE:
|
|
|
483 ac = 0;
|
|
|
484 if (cur->value)
|
|
|
485 {
|
|
|
486 /* #### - xlwmenu.h supports several types that motif does
|
|
|
487 not. Also, motif supports pixmaps w/ type NO_LINE and
|
|
|
488 lwlib provides no way to access that functionality. --Stig */
|
|
|
489 XtSetArg (al [ac], XmNseparatorType, cur->value), ac++;
|
|
|
490 }
|
|
|
491 button = XmCreateSeparator (widget, "separator", al, ac);
|
|
|
492 break;
|
|
|
493 case CASCADE_TYPE:
|
|
|
494 menu = XmCreatePulldownMenu (widget, "pulldown", NULL, 0);
|
|
|
495 make_menu_in_widget (instance, menu, cur->contents);
|
|
|
496 XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
|
|
|
497 button = XmCreateCascadeButton (widget, cur->name, al, ac);
|
|
|
498
|
|
|
499 xm_update_label (instance, button, cur);
|
|
|
500
|
|
|
501 XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback,
|
|
|
502 (XtPointer)instance);
|
|
|
503 break;
|
|
|
504 default:
|
|
|
505 if (menubar_p)
|
|
|
506 button = XmCreateCascadeButton (widget, cur->name, al, ac);
|
|
|
507 else if (!cur->call_data)
|
|
|
508 button = XmCreateLabel (widget, cur->name, al, ac);
|
|
|
509 else if (cur->type == TOGGLE_TYPE || cur->type == RADIO_TYPE)
|
|
|
510 {
|
|
165
|
511 XtSetArg (al [ac], XmNindicatorType,
|
|
|
512 (cur->type == TOGGLE_TYPE ?
|
|
|
513 XmN_OF_MANY : XmONE_OF_MANY)); ac++;
|
|
0
|
514 XtSetArg (al [ac], XmNvisibleWhenOff, True); ac++;
|
|
|
515 button = XmCreateToggleButtonGadget (widget, cur->name, al, ac);
|
|
|
516 }
|
|
|
517 else
|
|
|
518 button = XmCreatePushButtonGadget (widget, cur->name, al, ac);
|
|
|
519
|
|
|
520 xm_update_label (instance, button, cur);
|
|
|
521
|
|
|
522 /* don't add a callback to a simple label */
|
|
|
523 if (cur->type == TOGGLE_TYPE || cur->type == RADIO_TYPE)
|
|
|
524 xm_update_toggle (instance, button, cur);
|
|
|
525 else if (cur->call_data)
|
|
|
526 XtAddCallback (button, XmNactivateCallback, xm_generic_callback,
|
|
|
527 (XtPointer)instance);
|
|
|
528 } /* switch (cur->type) */
|
|
|
529
|
|
|
530 if (button)
|
|
|
531 children [num_children++] = button;
|
|
|
532 }
|
|
|
533
|
|
|
534 /* Last entry is the help button. This used be done after managing
|
|
|
535 the buttons. The comment claimed that it had to be done this way
|
|
|
536 otherwise the menubar ended up only 4 pixels high. That must
|
|
|
537 have been in the Old World. In the New World it stays the proper
|
|
|
538 height if you don't manage them until after you set this and as a
|
|
|
539 bonus the Help menu ends up where it is supposed to. */
|
|
|
540 if (button)
|
|
|
541 {
|
|
|
542 ac = 0;
|
|
|
543 XtSetArg (al [ac], XmNmenuHelpWidget, button); ac++;
|
|
|
544 XtSetValues (widget, al, ac);
|
|
|
545 }
|
|
|
546
|
|
|
547 if (num_children)
|
|
|
548 XtManageChildren (children, num_children);
|
|
|
549
|
|
|
550 XtFree ((char *) children);
|
|
|
551 }
|
|
|
552
|
|
|
553 static void
|
|
|
554 update_one_menu_entry (widget_instance* instance, Widget widget,
|
|
|
555 widget_value* val, Boolean deep_p)
|
|
|
556 {
|
|
165
|
557 Arg al [2];
|
|
0
|
558 Widget menu;
|
|
|
559 widget_value* contents;
|
|
|
560
|
|
|
561 if (val->change == NO_CHANGE)
|
|
|
562 return;
|
|
|
563
|
|
|
564 /* update the sensitivity and userdata */
|
|
|
565 /* Common to all widget types */
|
|
165
|
566 XtSetArg (al [0], XmNsensitive, val->enabled);
|
|
|
567 XtSetArg (al [1], XmNuserData, val->call_data);
|
|
|
568 XtSetValues (widget, al, 2);
|
|
0
|
569
|
|
|
570 /* update the menu button as a label. */
|
|
|
571 if (val->change >= VISIBLE_CHANGE)
|
|
|
572 {
|
|
|
573 xm_update_label (instance, widget, val);
|
|
|
574 if (XtClass (widget) == xmToggleButtonWidgetClass
|
|
|
575 || XtClass (widget) == xmToggleButtonGadgetClass)
|
|
|
576 {
|
|
|
577 xm_update_toggle (instance, widget, val);
|
|
|
578 }
|
|
|
579 }
|
|
|
580
|
|
|
581
|
|
|
582 /* update the pulldown/pullaside as needed */
|
|
|
583 menu = NULL;
|
|
165
|
584 XtSetArg (al [0], XmNsubMenuId, &menu);
|
|
|
585 XtGetValues (widget, al, 1);
|
|
0
|
586
|
|
|
587 contents = val->contents;
|
|
|
588
|
|
|
589 if (!menu)
|
|
|
590 {
|
|
|
591 if (contents)
|
|
|
592 {
|
|
|
593 menu = XmCreatePulldownMenu (widget, "pulldown", NULL, 0);
|
|
|
594 make_menu_in_widget (instance, menu, contents);
|
|
|
595 ac = 0;
|
|
|
596 XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
|
|
|
597 XtSetValues (widget, al, ac);
|
|
|
598 }
|
|
|
599 }
|
|
|
600 else if (!contents)
|
|
|
601 {
|
|
|
602 ac = 0;
|
|
|
603 XtSetArg (al [ac], XmNsubMenuId, NULL); ac++;
|
|
|
604 XtSetValues (widget, al, ac);
|
|
|
605 XtDestroyWidget (menu);
|
|
|
606 }
|
|
|
607 else if (deep_p && contents->change != NO_CHANGE)
|
|
|
608 xm_update_menu (instance, menu, val, 1);
|
|
|
609 }
|
|
|
610
|
|
|
611 static void
|
|
|
612 xm_update_menu (widget_instance* instance, Widget widget, widget_value* val,
|
|
|
613 Boolean deep_p)
|
|
|
614 {
|
|
|
615 /* Widget is a RowColumn widget whose contents have to be updated
|
|
|
616 * to reflect the list of items in val->contents */
|
|
|
617 if (val->contents->change == STRUCTURAL_CHANGE)
|
|
|
618 {
|
|
|
619 destroy_all_children (widget);
|
|
|
620 make_menu_in_widget (instance, widget, val->contents);
|
|
|
621 }
|
|
|
622 else
|
|
|
623 {
|
|
|
624 /* Update all the buttons of the RowColumn in order. */
|
|
|
625 Widget* children;
|
|
|
626 unsigned int num_children;
|
|
|
627 int i;
|
|
|
628 widget_value *cur = 0;
|
|
|
629
|
|
|
630 children = XtCompositeChildren (widget, &num_children);
|
|
|
631 if (children)
|
|
|
632 {
|
|
|
633 for (i = 0, cur = val->contents; i < num_children; i++)
|
|
|
634 {
|
|
|
635 if (!cur)
|
|
|
636 abort ();
|
|
|
637 /* skip if this is a pushright marker or a separator */
|
|
|
638 if (cur->type == PUSHRIGHT_TYPE || cur->type == SEPARATOR_TYPE)
|
|
|
639 {
|
|
|
640 cur = cur->next;
|
|
|
641 #if 0
|
|
|
642 /* #### - this could puke if you have a separator as the
|
|
|
643 last item on a pullright menu. */
|
|
|
644 if (!cur)
|
|
|
645 abort ();
|
|
|
646 #else
|
|
|
647 if (!cur)
|
|
|
648 continue;
|
|
|
649 #endif
|
|
|
650 }
|
|
|
651 if (children [i]->core.being_destroyed
|
|
|
652 || strcmp (XtName (children [i]), cur->name))
|
|
|
653 continue;
|
|
|
654 update_one_menu_entry (instance, children [i], cur, deep_p);
|
|
|
655 cur = cur->next;
|
|
|
656 }
|
|
|
657 XtFree ((char *) children);
|
|
|
658 }
|
|
|
659 if (cur)
|
|
|
660 abort ();
|
|
|
661 }
|
|
|
662 }
|
|
|
663
|
|
|
664 #endif /* MENUBARS_MOTIF */
|
|
|
665
|
|
|
666
|
|
|
667 #ifdef DIALOGS_MOTIF
|
|
|
668
|
|
|
669 /* update text widgets */
|
|
|
670
|
|
|
671 static void
|
|
|
672 xm_update_text (widget_instance* instance, Widget widget, widget_value* val)
|
|
|
673 {
|
|
80
|
674 XmTextSetString (widget, val->value ? val->value : "");
|
|
0
|
675 XtRemoveAllCallbacks (widget, XmNactivateCallback);
|
|
|
676 XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
|
|
|
677 XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
|
|
|
678 XtAddCallback (widget, XmNvalueChangedCallback,
|
|
|
679 xm_internal_update_other_instances, instance);
|
|
|
680 }
|
|
|
681
|
|
|
682 static void
|
|
|
683 xm_update_text_field (widget_instance* instance, Widget widget,
|
|
|
684 widget_value* val)
|
|
|
685 {
|
|
80
|
686 XmTextFieldSetString (widget, val->value ? val->value : "");
|
|
0
|
687 XtRemoveAllCallbacks (widget, XmNactivateCallback);
|
|
|
688 XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
|
|
|
689 XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
|
|
|
690 XtAddCallback (widget, XmNvalueChangedCallback,
|
|
|
691 xm_internal_update_other_instances, instance);
|
|
|
692 }
|
|
|
693
|
|
|
694 #endif /* DIALOGS_MOTIF */
|
|
|
695
|
|
|
696 #ifdef SCROLLBARS_MOTIF
|
|
|
697
|
|
|
698 /*
|
|
|
699 * If this function looks like it does a lot more work than it needs to,
|
|
|
700 * you're right. Blame the Motif scrollbar for not being smart about
|
|
|
701 * updating its appearance.
|
|
|
702 */
|
|
|
703 static void
|
|
|
704 xm_update_scrollbar (widget_instance *instance, Widget widget,
|
|
|
705 widget_value *val)
|
|
|
706 {
|
|
|
707 if (val->scrollbar_data)
|
|
|
708 {
|
|
|
709 scrollbar_values *data = val->scrollbar_data;
|
|
|
710 int widget_sliderSize, widget_val;
|
|
|
711 int new_sliderSize, new_value;
|
|
|
712 double percent;
|
|
|
713 double h_water, l_water;
|
|
165
|
714 Arg al [4];
|
|
0
|
715
|
|
165
|
716 /* First size and position the scrollbar widget. */
|
|
|
717 XtSetArg (al [0], XtNx, data->scrollbar_x);
|
|
|
718 XtSetArg (al [1], XtNy, data->scrollbar_y);
|
|
|
719 XtSetArg (al [2], XtNwidth, data->scrollbar_width);
|
|
|
720 XtSetArg (al [3], XtNheight, data->scrollbar_height);
|
|
|
721 XtSetValues (widget, al, 4);
|
|
0
|
722
|
|
165
|
723 /* Now size the scrollbar's slider. */
|
|
|
724 XtSetArg (al [0], XmNsliderSize, &widget_sliderSize);
|
|
|
725 XtSetArg (al [1], XmNvalue, &widget_val);
|
|
|
726 XtGetValues (widget, al, 2);
|
|
0
|
727
|
|
|
728 percent = (double) data->slider_size /
|
|
|
729 (double) (data->maximum - data->minimum);
|
|
|
730 new_sliderSize = (int) ((double) (INT_MAX - 1) * percent);
|
|
|
731
|
|
|
732 percent = (double) (data->slider_position - data->minimum) /
|
|
|
733 (double) (data->maximum - data->minimum);
|
|
|
734 new_value = (int) ((double) (INT_MAX - 1) * percent);
|
|
|
735
|
|
|
736 if (new_sliderSize > (INT_MAX - 1))
|
|
|
737 new_sliderSize = INT_MAX - 1;
|
|
165
|
738 else if (new_sliderSize < 1)
|
|
0
|
739 new_sliderSize = 1;
|
|
|
740
|
|
|
741 if (new_value > (INT_MAX - new_sliderSize))
|
|
|
742 new_value = INT_MAX - new_sliderSize;
|
|
|
743 else if (new_value < 1)
|
|
|
744 new_value = 1;
|
|
|
745
|
|
|
746 h_water = 1.05;
|
|
|
747 l_water = 0.95;
|
|
|
748 if (new_sliderSize != widget_sliderSize || new_value != widget_val)
|
|
|
749 {
|
|
|
750 int force = ((INT_MAX - widget_sliderSize - widget_val)
|
|
|
751 ? 0
|
|
|
752 : (INT_MAX - new_sliderSize - new_value));
|
|
|
753
|
|
|
754 if (force
|
|
|
755 || (double)new_sliderSize < (l_water * (double)widget_sliderSize)
|
|
|
756 || (double)new_sliderSize > (h_water * (double)widget_sliderSize)
|
|
|
757 || (double)new_value < (l_water * (double)widget_val)
|
|
|
758 || (double)new_value > (h_water * (double)widget_val))
|
|
|
759 {
|
|
|
760 XmScrollBarSetValues (widget, new_value, new_sliderSize, 1, 1,
|
|
|
761 False);
|
|
|
762 }
|
|
|
763 }
|
|
|
764 }
|
|
|
765 }
|
|
|
766
|
|
|
767 #endif /* SCROLLBARS_MOTIF */
|
|
|
768
|
|
|
769
|
|
|
770 /* update a motif widget */
|
|
|
771
|
|
|
772 void
|
|
|
773 xm_update_one_widget (widget_instance* instance, Widget widget,
|
|
|
774 widget_value* val, Boolean deep_p)
|
|
|
775 {
|
|
|
776 WidgetClass class;
|
|
165
|
777 Arg al [2];
|
|
0
|
778
|
|
|
779 /* Mark as not edited */
|
|
|
780 val->edited = False;
|
|
|
781
|
|
|
782 /* Common to all widget types */
|
|
165
|
783 XtSetArg (al [0], XmNsensitive, val->enabled);
|
|
|
784 XtSetArg (al [1], XmNuserData, val->call_data);
|
|
|
785 XtSetValues (widget, al, 2);
|
|
0
|
786
|
|
|
787 #if defined (DIALOGS_MOTIF) || defined (MENUBARS_MOTIF)
|
|
|
788 /* Common to all label like widgets */
|
|
|
789 if (XtIsSubclass (widget, xmLabelWidgetClass))
|
|
|
790 xm_update_label (instance, widget, val);
|
|
|
791 #endif
|
|
|
792
|
|
|
793 class = XtClass (widget);
|
|
|
794 /* Class specific things */
|
|
|
795 if (class == xmPushButtonWidgetClass ||
|
|
|
796 class == xmArrowButtonWidgetClass)
|
|
|
797 {
|
|
|
798 xm_update_pushbutton (instance, widget, val);
|
|
|
799 }
|
