428
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1 /* The lwlib interface to Athena widgets.
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2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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3
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4 This file is part of the Lucid Widget Library.
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5
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6 The Lucid Widget Library is free software; you can redistribute it and/or
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7 modify it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 1, or (at your option)
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9 any later version.
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10
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11 The Lucid Widget Library is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 #include <config.h>
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22 #include <stdio.h>
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23
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24 #ifdef STDC_HEADERS
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25 #include <stdlib.h>
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26 #endif
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27
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28 #include "lwlib-Xaw.h"
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29
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30 #include <X11/StringDefs.h>
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31 #include <X11/IntrinsicP.h>
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32 #include <X11/CoreP.h>
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33 #include <X11/Shell.h>
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34
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35 #ifdef LWLIB_SCROLLBARS_ATHENA
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442
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36 #include ATHENA_Scrollbar_h_
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428
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37 #endif
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38 #ifdef LWLIB_DIALOGS_ATHENA
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442
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39 #include ATHENA_Dialog_h_
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40 #include ATHENA_Form_h_
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41 #include ATHENA_Command_h_
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42 #include ATHENA_Label_h_
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428
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43 #endif
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44 #ifdef LWLIB_WIDGETS_ATHENA
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442
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45 #include ATHENA_Toggle_h_
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428
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46 #include "xlwradio.h"
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47 #include "xlwcheckbox.h"
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48 #include "xlwgauge.h"
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442
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49 #include ATHENA_AsciiText_h_
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428
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50 #endif
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51 #include <X11/Xatom.h>
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52
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53 static void xaw_generic_callback (Widget, XtPointer, XtPointer);
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54
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55
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56 Boolean
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57 lw_xaw_widget_p (Widget widget)
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58 {
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59 return (0
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60 #ifdef LWLIB_SCROLLBARS_ATHENA
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61 || XtIsSubclass (widget, scrollbarWidgetClass)
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62 #endif
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63 #ifdef LWLIB_DIALOGS_ATHENA
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64 || XtIsSubclass (widget, dialogWidgetClass)
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65 #endif
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66 #ifdef LWLIB_WIDGETS_ATHENA
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67 || XtIsSubclass (widget, labelWidgetClass)
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68 || XtIsSubclass (widget, toggleWidgetClass)
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69 || XtIsSubclass (widget, gaugeWidgetClass)
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442
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70 #ifndef NEED_MOTIF
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71 || XtIsSubclass (widget, asciiTextWidgetClass)
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428
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72 #endif
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73 #endif
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74 );
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75 }
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76
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77 #ifdef LWLIB_SCROLLBARS_ATHENA
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78 static void
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79 xaw_update_scrollbar (widget_instance *instance, Widget widget,
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80 widget_value *val)
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81 {
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82 if (val->scrollbar_data)
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83 {
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84 scrollbar_values *data = val->scrollbar_data;
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85 float widget_shown, widget_topOfThumb;
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86 float new_shown, new_topOfThumb;
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87 Arg al [10];
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88
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89 /* First size and position the scrollbar widget. */
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90 XtSetArg (al [0], XtNx, data->scrollbar_x);
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91 XtSetArg (al [1], XtNy, data->scrollbar_y);
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92 XtSetArg (al [2], XtNwidth, data->scrollbar_width);
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93 XtSetArg (al [3], XtNheight, data->scrollbar_height);
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94 XtSetValues (widget, al, 4);
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95
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96 /* Now size the scrollbar's slider. */
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97 XtSetArg (al [0], XtNtopOfThumb, &widget_topOfThumb);
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98 XtSetArg (al [1], XtNshown, &widget_shown);
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99 XtGetValues (widget, al, 2);
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100
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101 new_shown = (double) data->slider_size /
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102 (double) (data->maximum - data->minimum);
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103
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104 new_topOfThumb = (double) (data->slider_position - data->minimum) /
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105 (double) (data->maximum - data->minimum);
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106
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107 if (new_shown > 1.0)
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108 new_shown = 1.0;
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109 else if (new_shown < 0)
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110 new_shown = 0;
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111
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112 if (new_topOfThumb > 1.0)
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113 new_topOfThumb = 1.0;
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114 else if (new_topOfThumb < 0)
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115 new_topOfThumb = 0;
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116
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117 if (new_shown != widget_shown || new_topOfThumb != widget_topOfThumb)
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118 XawScrollbarSetThumb (widget, new_topOfThumb, new_shown);
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119 }
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120 }
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121 #endif /* LWLIB_SCROLLBARS_ATHENA */
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122
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123 void
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124 xaw_update_one_widget (widget_instance *instance, Widget widget,
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125 widget_value *val, Boolean deep_p)
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126 {
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127 if (0)
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128 ;
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129 #ifdef LWLIB_SCROLLBARS_ATHENA
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130 else if (XtIsSubclass (widget, scrollbarWidgetClass))
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131 {
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132 xaw_update_scrollbar (instance, widget, val);
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133 }
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134 #endif
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442
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135 #ifdef LWLIB_WIDGETS_ATHENA
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136 #ifndef NEED_MOTIF
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137 else if (XtIsSubclass (widget, asciiTextWidgetClass))
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138 {
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139 }
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140 #endif
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141 #endif
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428
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142 #ifdef LWLIB_DIALOGS_ATHENA
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143 else if (XtIsSubclass (widget, dialogWidgetClass))
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144 {
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145 Arg al [1];
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146 XtSetArg (al [0], XtNlabel, val->contents->value);
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147 XtSetValues (widget, al, 1);
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148 }
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149 #endif /* LWLIB_DIALOGS_ATHENA */
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150 #ifdef LWLIB_WIDGETS_ATHENA
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438
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151 else if (XtClass (widget) == labelWidgetClass)
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428
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152 {
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153 Arg al [1];
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154 XtSetArg (al [0], XtNlabel, val->value);
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155 XtSetValues (widget, al, 1);
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156 }
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157 #endif /* LWLIB_WIDGETS_ATHENA */
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158 #if defined (LWLIB_DIALOGS_ATHENA) || defined (LWLIB_WIDGETS_ATHENA)
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159 else if (XtIsSubclass (widget, commandWidgetClass))
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160 {
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161 Dimension bw = 0;
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162 Arg al [3];
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163 XtSetArg (al [0], XtNborderWidth, &bw);
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164 XtGetValues (widget, al, 1);
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165
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166 #ifndef LWLIB_DIALOGS_ATHENA3D
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167 if (bw == 0)
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168 /* Don't let buttons end up with 0 borderwidth, that's ugly...
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169 Yeah, all this should really be done through app-defaults files
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170 or fallback resources, but that's a whole different can of worms
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171 that I don't feel like opening right now. Making Athena widgets
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172 not look like shit is just entirely too much work.
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173 */
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174 {
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175 XtSetArg (al [0], XtNborderWidth, 1);
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176 XtSetValues (widget, al, 1);
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177 }
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178 #endif /* ! LWLIB_DIALOGS_ATHENA3D */
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179
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442
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180 lw_remove_accelerator_spec (val->value);
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428
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181 XtSetArg (al [0], XtNlabel, val->value);
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182 XtSetArg (al [1], XtNsensitive, val->enabled);
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183 /* Force centered button text. See above. */
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184 XtSetArg (al [2], XtNjustify, XtJustifyCenter);
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185 XtSetValues (widget, al, 3);
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186
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187 XtRemoveAllCallbacks (widget, XtNcallback);
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188 XtAddCallback (widget, XtNcallback, xaw_generic_callback, instance);
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189 #ifdef LWLIB_WIDGETS_ATHENA
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190 /* set the selected state */
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191 if (XtIsSubclass (widget, toggleWidgetClass))
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192 {
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193 XtSetArg (al [0], XtNstate, val->selected);
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194 XtSetValues (widget, al, 1);
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195 }
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196 #endif /* LWLIB_WIDGETS_ATHENA */
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197 }
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198 #endif /* LWLIB_DIALOGS_ATHENA */
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442
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199 /* Lastly update our global arg values. */
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200 if (val->args && val->args->nargs)
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201 XtSetValues (widget, val->args->args, val->args->nargs);
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428
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202 }
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203
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204 void
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205 xaw_update_one_value (widget_instance *instance, Widget widget,
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206 widget_value *val)
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207 {
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208 #ifdef LWLIB_WIDGETS_ATHENA
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209 widget_value *old_wv;
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210
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211 /* copy the call_data slot into the "return" widget_value */
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212 for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next)
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213 if (!strcmp (val->name, old_wv->name))
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214 {
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215 val->call_data = old_wv->call_data;
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216 break;
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217 }
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218
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219 if (XtIsSubclass (widget, toggleWidgetClass))
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220 {
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221 Arg al [1];
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222 XtSetArg (al [0], XtNstate, &val->selected);
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223 XtGetValues (widget, al, 1);
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224 val->edited = True;
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225 }
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226 #ifndef NEED_MOTIF
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227 else if (XtIsSubclass (widget, asciiTextWidgetClass))
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228 {
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442
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229 Arg al [2];
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230 String buf = 0;
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231 XtSetArg (al [0], XtNstring, &buf);
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232 XtGetValues (widget, al, 1);
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233
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428
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234 if (val->value)
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442
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235 {
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236 free (val->value);
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237 val->value = 0;
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238 }
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239 /* I don't think this causes a leak. */
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240 if (buf)
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241 val->value = strdup (buf);
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428
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242 val->edited = True;
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243 }
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244 #endif
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245 #endif /* LWLIB_WIDGETS_ATHENA */
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246 }
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247
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248 void
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249 xaw_destroy_instance (widget_instance *instance)
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250 {
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251 #ifdef LWLIB_DIALOGS_ATHENA
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252 if (XtIsSubclass (instance->widget, dialogWidgetClass))
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253 /* Need to destroy the Shell too. */
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254 XtDestroyWidget (XtParent (instance->widget));
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255 else
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256 #endif
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257 XtDestroyWidget (instance->widget);
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258 }
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259
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260 void
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261 xaw_popup_menu (Widget widget, XEvent *event)
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262 {
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263 /* An Athena menubar has not been implemented. */
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264 return;
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265 }
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266
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267 void
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268 xaw_pop_instance (widget_instance *instance, Boolean up)
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269 {
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270 Widget widget = instance->widget;
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271
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272 if (up)
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273 {
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274 #ifdef LWLIB_DIALOGS_ATHENA
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275 if (XtIsSubclass (widget, dialogWidgetClass))
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276 {
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277 /* For dialogs, we need to call XtPopup on the parent instead
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278 of calling XtManageChild on the widget.
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279 Also we need to hack the shell's WM_PROTOCOLS to get it to
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280 understand what the close box is supposed to do!!
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281 */
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282 Display *dpy = XtDisplay (widget);
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283 Widget shell = XtParent (widget);
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284 Atom props [2];
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285 int i = 0;
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286 props [i++] = XInternAtom (dpy, "WM_DELETE_WINDOW", False);
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287 XChangeProperty (dpy, XtWindow (shell),
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288 XInternAtom (dpy, "WM_PROTOCOLS", False),
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289 XA_ATOM, 32, PropModeAppend,
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290 (unsigned char *) props, i);
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291
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292 /* Center the widget in its parent. Why isn't this kind of crap
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293 done automatically? I thought toolkits were supposed to make
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294 life easier?
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295 */
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296 {
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297 unsigned int x, y, w, h;
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298 Widget topmost = instance->parent;
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299 w = shell->core.width;
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300 h = shell->core.height;
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301 while (topmost->core.parent &&
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302 XtIsRealized (topmost->core.parent) &&
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303 /* HAVE_SESSION adds an unmapped parent widget that
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304 we should ignore here. */
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305 topmost->core.parent->core.mapped_when_managed)
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306 topmost = topmost->core.parent;
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307 if (topmost->core.width < w) x = topmost->core.x;
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308 else x = topmost->core.x + ((topmost->core.width - w) / 2);
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309 if (topmost->core.height < h) y = topmost->core.y;
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310 else y = topmost->core.y + ((topmost->core.height - h) / 2);
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311 XtMoveWidget (shell, x, y);
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312 }
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313
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314 /* Finally, pop it up. */
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315 XtPopup (shell, XtGrabNonexclusive);
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316 }
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317 else
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318 #endif /* LWLIB_DIALOGS_ATHENA */
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319 XtManageChild (widget);
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320 }
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321 else
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322 {
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323 #ifdef LWLIB_DIALOGS_ATHENA
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324 if (XtIsSubclass (widget, dialogWidgetClass))
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325 XtUnmanageChild (XtParent (widget));
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326 else
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327 #endif
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328 XtUnmanageChild (widget);
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329 }
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330 }
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331
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332
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333 #ifdef LWLIB_DIALOGS_ATHENA
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334 /* Dialog boxes */
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335
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336 static char overrideTrans[] =
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337 "<Message>WM_PROTOCOLS: lwlib_delete_dialog()";
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338 static XtActionProc wm_delete_window (Widget shell, XtPointer closure,
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339 XtPointer call_data);
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340 static XtActionsRec xaw_actions [] = {
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341 {"lwlib_delete_dialog", (XtActionProc) wm_delete_window}
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342 };
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343 static Boolean actions_initted = False;
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344
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345 static Widget
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442
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346 make_dialog (const char* name, Widget parent, Boolean pop_up_p,
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347 const char* shell_title, const char* icon_name,
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428
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348 Boolean text_input_slot,
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349 Boolean radio_box, Boolean list,
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350 int left_buttons, int right_buttons)
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351 {
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352 Arg av [20];
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353 int ac = 0;
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354 int i, bc;
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355 char button_name [255];
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356 Widget shell;
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357 Widget dialog;
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358 Widget button;
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359 XtTranslations override;
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360
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361 if (! pop_up_p) abort (); /* not implemented */
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362 if (text_input_slot) abort (); /* not implemented */
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363 if (radio_box) abort (); /* not implemented */
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364 if (list) abort (); /* not implemented */
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365
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366 if (! actions_initted)
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367 {
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368 XtAppContext app = XtWidgetToApplicationContext (parent);
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369 XtAppAddActions (app, xaw_actions,
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370 sizeof (xaw_actions) / sizeof (xaw_actions[0]));
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371 actions_initted = True;
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372 }
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373
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374 override = XtParseTranslationTable (overrideTrans);
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375
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376 ac = 0;
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377 XtSetArg (av[ac], XtNtitle, shell_title); ac++;
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378 XtSetArg (av[ac], XtNallowShellResize, True); ac++;
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379 XtSetArg (av[ac], XtNtransientFor, parent); ac++;
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380 shell = XtCreatePopupShell ("dialog", transientShellWidgetClass,
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381 parent, av, ac);
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382 XtOverrideTranslations (shell, override);
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383
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384 ac = 0;
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385 dialog = XtCreateManagedWidget (name, dialogWidgetClass, shell, av, ac);
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386
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387 bc = 0;
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388 button = 0;
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389 for (i = 0; i < left_buttons; i++)
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390 {
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391 ac = 0;
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392 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
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393 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++;
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394 XtSetArg (av [ac], XtNright, XtChainLeft); ac++;
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395 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
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396 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
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397 XtSetArg (av [ac], XtNresizable, True); ac++;
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398 sprintf (button_name, "button%d", ++bc);
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399 button = XtCreateManagedWidget (button_name, commandWidgetClass,
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400 dialog, av, ac);
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401 }
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402 if (right_buttons)
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403 {
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404 /* Create a separator
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405
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406 I want the separator to take up the slack between the buttons on
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407 the right and the buttons on the left (that is I want the buttons
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408 after the separator to be packed against the right edge of the
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409 window) but I can't seem to make it do it.
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410 */
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411 ac = 0;
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412 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
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413 /* XtSetArg (av [ac], XtNfromVert, XtNameToWidget (dialog, "label")); ac++; */
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414 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++;
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415 XtSetArg (av [ac], XtNright, XtChainRight); ac++;
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416 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
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417 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
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418 XtSetArg (av [ac], XtNlabel, ""); ac++;
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419 XtSetArg (av [ac], XtNwidth, 30); ac++; /* #### aaack!! */
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420 XtSetArg (av [ac], XtNborderWidth, 0); ac++;
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421 XtSetArg (av [ac], XtNshapeStyle, XmuShapeRectangle); ac++;
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422 XtSetArg (av [ac], XtNresizable, False); ac++;
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423 XtSetArg (av [ac], XtNsensitive, False); ac++;
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424 button = XtCreateManagedWidget ("separator",
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425 /* labelWidgetClass, */
|
|
426 /* This has to be Command to fake out
|
|
427 the Dialog widget... */
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428 commandWidgetClass,
|
|
429 dialog, av, ac);
|
|
430 }
|
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431 for (i = 0; i < right_buttons; i++)
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432 {
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433 ac = 0;
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434 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
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435 XtSetArg (av [ac], XtNleft, XtChainRight); ac++;
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436 XtSetArg (av [ac], XtNright, XtChainRight); ac++;
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437 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
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438 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
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439 XtSetArg (av [ac], XtNresizable, True); ac++;
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|
440 sprintf (button_name, "button%d", ++bc);
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|
441 button = XtCreateManagedWidget (button_name, commandWidgetClass,
|
|
442 dialog, av, ac);
|
|
443 }
|
|
444
|
|
445 return dialog;
|
|
446 }
|
|
447
|
|
448 Widget
|
|
449 xaw_create_dialog (widget_instance* instance)
|
|
450 {
|
|
451 char *name = instance->info->type;
|
|
452 Widget parent = instance->parent;
|
|
453 Widget widget;
|
|
454 Boolean pop_up_p = instance->pop_up_p;
|
442
|
455 const char *shell_name = 0;
|
|
456 const char *icon_name = 0;
|
428
|
457 Boolean text_input_slot = False;
|
|
458 Boolean radio_box = False;
|
|
459 Boolean list = False;
|
|
460 int total_buttons;
|
|
461 int left_buttons = 0;
|
|
462 int right_buttons = 1;
|
|
463
|
|
464 switch (name [0]) {
|
|
465 case 'E': case 'e':
|
|
466 icon_name = "dbox-error";
|
|
467 shell_name = "Error";
|
|
468 break;
|
|
469
|
|
470 case 'I': case 'i':
|
|
471 icon_name = "dbox-info";
|
|
472 shell_name = "Information";
|
|
473 break;
|
|
474
|
|
475 case 'L': case 'l':
|
|
476 list = True;
|
|
477 icon_name = "dbox-question";
|
|
478 shell_name = "Prompt";
|
|
479 break;
|
|
480
|
|
481 case 'P': case 'p':
|
|
482 text_input_slot = True;
|
|
483 icon_name = "dbox-question";
|
|
484 shell_name = "Prompt";
|
|
485 break;
|
|
486
|
|
487 case 'Q': case 'q':
|
|
488 icon_name = "dbox-question";
|
|
489 shell_name = "Question";
|
|
490 break;
|
|
491 }
|
|
492
|
|
493 total_buttons = name [1] - '0';
|
|
494
|
|
495 if (name [3] == 'T' || name [3] == 't')
|
|
496 {
|
|
497 text_input_slot = False;
|
|
498 radio_box = True;
|
|
499 }
|
|
500 else if (name [3])
|
|
501 right_buttons = name [4] - '0';
|
|
502
|
|
503 left_buttons = total_buttons - right_buttons;
|
|
504
|
|
505 widget = make_dialog (name, parent, pop_up_p,
|
|
506 shell_name, icon_name, text_input_slot, radio_box,
|
|
507 list, left_buttons, right_buttons);
|
|
508
|
|
509 return widget;
|
|
510 }
|
|
511 #endif /* LWLIB_DIALOGS_ATHENA */
|
|
512
|
|
513
|
|
514 static void
|
|
515 xaw_generic_callback (Widget widget, XtPointer closure, XtPointer call_data)
|
|
516 {
|
|
517 widget_instance *instance = (widget_instance *) closure;
|
|
518 Widget instance_widget;
|
|
519 LWLIB_ID id;
|
|
520 XtPointer user_data;
|
|
521 #ifdef LWLIB_WIDGETS_ATHENA
|
|
522 /* We want the selected status to change only when we decide it
|
|
523 should change. Yuck but correct. */
|
|
524 if (XtIsSubclass (widget, toggleWidgetClass))
|
|
525 {
|
|
526 Boolean check;
|
|
527 Arg al [1];
|
|
528
|
|
529 XtSetArg (al [0], XtNstate, &check);
|
|
530 XtGetValues (widget, al, 1);
|
|
531
|
|
532 XtSetArg (al [0], XtNstate, !check);
|
|
533 XtSetValues (widget, al, 1);
|
|
534 }
|
|
535 #endif /* LWLIB_WIDGETS_ATHENA */
|
|
536 lw_internal_update_other_instances (widget, closure, call_data);
|
|
537
|
|
538 if (! instance)
|
|
539 return;
|
|
540 if (widget->core.being_destroyed)
|
|
541 return;
|
|
542
|
|
543 instance_widget = instance->widget;
|
|
544 if (!instance_widget)
|
|
545 return;
|
|
546
|
|
547 id = instance->info->id;
|
|
548
|
|
549 #if 0
|
|
550 user_data = NULL;
|
|
551 {
|
|
552 Arg al [1];
|
|
553 XtSetArg (al [0], XtNuserData, &user_data);
|
|
554 XtGetValues (widget, al, 1);
|
|
555 }
|
|
556 #else
|
|
557 /* Damn! Athena doesn't give us a way to hang our own data on the
|
|
558 buttons, so we have to go find it... I guess this assumes that
|
|
559 all instances of a button have the same call data.
|
|
560
|
|
561 ... Which is a totally bogus assumption --andyp */
|
|
562 {
|
|
563 widget_value *val = instance->info->val;
|
|
564 /* If the widget is a buffer/gutter widget then we already have
|
|
565 the one we are looking for, so don't try and descend the widget
|
|
566 tree. */
|
|
567 if (val->contents)
|
|
568 {
|
|
569 char *name = XtName (widget);
|
|
570 val = val->contents;
|
|
571 while (val)
|
|
572 {
|
|
573 if (val->name && !strcmp (val->name, name))
|
|
574 break;
|
|
575 val = val->next;
|
|
576 }
|
|
577 if (! val) abort ();
|
|
578 }
|
|
579 user_data = val->call_data;
|
|
580 }
|
|
581 #endif
|
|
582
|
|
583 if (instance->info->selection_cb)
|
|
584 instance->info->selection_cb (widget, id, user_data);
|
|
585 }
|
|
586
|
|
587 #ifdef LWLIB_DIALOGS_ATHENA
|
|
588
|
|
589 static XtActionProc
|
|
590 wm_delete_window (Widget shell, XtPointer closure, XtPointer call_data)
|
|
591 {
|
|
592 LWLIB_ID id;
|
|
593 Widget *kids = 0;
|
|
594 Widget widget;
|
|
595 Arg al [1];
|
|
596 if (! XtIsSubclass (shell, shellWidgetClass))
|
|
597 abort ();
|
|
598 XtSetArg (al [0], XtNchildren, &kids);
|
|
599 XtGetValues (shell, al, 1);
|
|
600 if (!kids || !*kids)
|
|
601 abort ();
|
|
602 widget = kids [0];
|
|
603 if (! XtIsSubclass (widget, dialogWidgetClass))
|
|
604 abort ();
|
|
605 id = lw_get_widget_id (widget);
|
|
606 if (! id) abort ();
|
|
607
|
|
608 {
|
|
609 widget_info *info = lw_get_widget_info (id);
|
|
610 if (! info) abort ();
|
|
611 if (info->selection_cb)
|
|
612 info->selection_cb (widget, id, (XtPointer) -1);
|
|
613 }
|
|
614
|
|
615 lw_destroy_all_widgets (id);
|
|
616 return NULL;
|
|
617 }
|
|
618
|
|
619 #endif /* LWLIB_DIALOGS_ATHENA */
|
|
620
|
|
621
|
|
622 /* Scrollbars */
|
|
623
|
|
624 #ifdef LWLIB_SCROLLBARS_ATHENA
|
|
625 static void
|
|
626 xaw_scrollbar_scroll (Widget widget, XtPointer closure, XtPointer call_data)
|
|
627 {
|
|
628 widget_instance *instance = (widget_instance *) closure;
|
|
629 LWLIB_ID id;
|
|
630 scroll_event event_data;
|
|
631
|
|
632 if (!instance || widget->core.being_destroyed)
|
|
633 return;
|
|
634
|
|
635 id = instance->info->id;
|
|
636 event_data.slider_value = (int) call_data;
|
|
637 event_data.time = 0;
|
|
638
|
|
639 if ((int) call_data > 0)
|
|
640 /* event_data.action = SCROLLBAR_PAGE_DOWN;*/
|
|
641 event_data.action = SCROLLBAR_LINE_DOWN;
|
|
642 else
|
|
643 /* event_data.action = SCROLLBAR_PAGE_UP;*/
|
|
644 event_data.action = SCROLLBAR_LINE_UP;
|
|
645
|
|
646 if (instance->info->pre_activate_cb)
|
|
647 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
|
|
648 }
|
|
649
|
|
650 static void
|
|
651 xaw_scrollbar_jump (Widget widget, XtPointer closure, XtPointer call_data)
|
|
652 {
|
|
653 widget_instance *instance = (widget_instance *) closure;
|
|
654 LWLIB_ID id;
|
|
655 scroll_event event_data;
|
|
656 scrollbar_values *val =
|
|
657 (scrollbar_values *) instance->info->val->scrollbar_data;
|
|
658 float percent;
|
|
659
|
|
660 if (!instance || widget->core.being_destroyed)
|
|
661 return;
|
|
662
|
|
663 id = instance->info->id;
|
|
664
|
|
665 percent = * (float *) call_data;
|
|
666 event_data.slider_value =
|
|
667 (int) (percent * (float) (val->maximum - val->minimum)) + val->minimum;
|
|
668
|
|
669 event_data.time = 0;
|
|
670 event_data.action = SCROLLBAR_DRAG;
|
|
671
|
|
672 if (instance->info->pre_activate_cb)
|
|
673 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
|
|
674 }
|
|
675
|
|
676 static Widget
|
|
677 xaw_create_scrollbar (widget_instance *instance, int vertical)
|
|
678 {
|
|
679 Arg av[10];
|
|
680 int ac = 0;
|
|
681
|
|
682 static XtCallbackRec jumpCallbacks[2] =
|
|
683 { {xaw_scrollbar_jump, NULL}, {NULL, NULL} };
|
|
684
|
|
685 static XtCallbackRec scrollCallbacks[2] =
|
|
686 { {xaw_scrollbar_scroll, NULL}, {NULL, NULL} };
|
|
687
|
|
688 jumpCallbacks[0].closure = scrollCallbacks[0].closure = (XtPointer) instance;
|
|
689
|
|
690 /* #### This is tacked onto the with and height and completely
|
|
691 screws our geometry management. We should probably make the
|
|
692 top-level aware of this so that people could have a border but so
|
|
693 few people use the Athena scrollbar now that it really isn't
|
|
694 worth the effort, at least not at the moment. */
|
|
695 XtSetArg (av [ac], XtNborderWidth, 0); ac++;
|
|
696 XtSetArg (av [ac], XtNorientation,
|
|
697 vertical ? XtorientVertical : XtorientHorizontal); ac++;
|
|
698 XtSetArg (av [ac], "jumpProc", jumpCallbacks); ac++;
|
|
699 XtSetArg (av [ac], "scrollProc", scrollCallbacks); ac++;
|
|
700
|
|
701 return XtCreateWidget (instance->info->name, scrollbarWidgetClass,
|
|
702 instance->parent, av, ac);
|
|
703 }
|
|
704
|
|
705 static Widget
|
|
706 xaw_create_vertical_scrollbar (widget_instance *instance)
|
|
707 {
|
|
708 return xaw_create_scrollbar (instance, 1);
|
|
709 }
|
|
710
|
|
711 static Widget
|
|
712 xaw_create_horizontal_scrollbar (widget_instance *instance)
|
|
713 {
|
|
714 return xaw_create_scrollbar (instance, 0);
|
|
715 }
|
|
716 #endif /* LWLIB_SCROLLBARS_ATHENA */
|
|
717
|
|
718 #ifdef LWLIB_WIDGETS_ATHENA
|
|
719 /* glyph widgets */
|
|
720 static Widget
|
|
721 xaw_create_button (widget_instance *instance)
|
|
722 {
|
|
723 Arg al[20];
|
|
724 int ac = 0;
|
|
725 Widget button = 0;
|
|
726 widget_value* val = instance->info->val;
|
|
727
|
|
728 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
|
|
729 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
|
|
730 XtSetArg (al [ac], XtNjustify, XtJustifyCenter); ac++;
|
|
731 /* The highlight doesn't appear to be dynamically set which makes it
|
|
732 look ugly. I think this may be a LessTif bug but for now we just
|
|
733 get rid of it. */
|
|
734 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0);ac++;
|
|
735
|
|
736 /* add any args the user supplied for creation time */
|
|
737 lw_add_value_args_to_args (val, al, &ac);
|
|
738
|
|
739 if (!val->call_data)
|
|
740 button = XtCreateManagedWidget (val->name, labelWidgetClass,
|
|
741 instance->parent, al, ac);
|
|
742
|
|
743 else
|
|
744 {
|
|
745 if (val->type == TOGGLE_TYPE || val->type == RADIO_TYPE)
|
|
746 {
|
|
747 XtSetArg (al [ac], XtNstate, val->selected); ac++;
|
|
748 button = XtCreateManagedWidget
|
|
749 (val->name,
|
|
750 val->type == TOGGLE_TYPE ? checkboxWidgetClass : radioWidgetClass,
|
|
751 instance->parent, al, ac);
|
|
752 }
|
|
753 else
|
|
754 {
|
|
755 button = XtCreateManagedWidget (val->name, commandWidgetClass,
|
|
756 instance->parent, al, ac);
|
|
757 }
|
|
758 XtRemoveAllCallbacks (button, XtNcallback);
|
|
759 XtAddCallback (button, XtNcallback, xaw_generic_callback, (XtPointer)instance);
|
|
760 }
|
|
761
|
|
762 XtManageChild (button);
|
|
763
|
|
764 return button;
|
|
765 }
|
|
766
|
|
767 static Widget
|
|
768 xaw_create_label_field (widget_instance *instance)
|
|
769 {
|
|
770 return xaw_create_label (instance->parent, instance->info->val);
|
|
771 }
|
|
772
|
|
773 Widget
|
|
774 xaw_create_label (Widget parent, widget_value* val)
|
|
775 {
|
|
776 Arg al[20];
|
|
777 int ac = 0;
|
|
778 Widget label = 0;
|
|
779
|
|
780 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
|
|
781 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
|
|
782 XtSetArg (al [ac], XtNjustify, XtJustifyCenter); ac++;
|
|
783
|
|
784 /* add any args the user supplied for creation time */
|
|
785 lw_add_value_args_to_args (val, al, &ac);
|
|
786
|
|
787 label = XtCreateManagedWidget (val->name, labelWidgetClass,
|
|
788 parent, al, ac);
|
|
789
|
|
790 /* Do it again for arguments that have no effect until the widget is realized. */
|
|
791 ac = 0;
|
|
792 lw_add_value_args_to_args (val, al, &ac);
|
442
|
793 if (ac > 20)
|
|
794 abort (); /* #### need assert macro in lwlib */
|
428
|
795 XtSetValues (label, al, ac);
|
|
796
|
|
797 return label;
|
|
798 }
|
|
799
|
|
800 static Widget
|
|
801 xaw_create_progress (widget_instance *instance)
|
|
802 {
|
|
803 Arg al[20];
|
|
804 int ac = 0;
|
|
805 Widget scale = 0;
|
|
806 widget_value* val = instance->info->val;
|
442
|
807 #if 0 /* This looks too awful, although more correct. */
|
428
|
808 if (!val->call_data)
|
|
809 {
|
|
810 XtSetArg (al [ac], XtNsensitive, False); ac++;
|
|
811 }
|
|
812 else
|
|
813 {
|
|
814 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
|
|
815 }
|
442
|
816 #else
|
|
817 XtSetArg (al [ac], XtNsensitive, True); ac++;
|
|
818 #endif
|
|
819
|
428
|
820 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
|
|
821 XtSetArg (al [ac], XtNorientation, XtorientHorizontal); ac++;
|
|
822 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0);ac++;
|
|
823 XtSetArg (al [ac], XtNntics, (Cardinal)10);ac++;
|
|
824
|
|
825 /* add any args the user supplied for creation time */
|
|
826 lw_add_value_args_to_args (val, al, &ac);
|
|
827
|
|
828 scale = XtCreateManagedWidget (val->name, gaugeWidgetClass,
|
|
829 instance->parent, al, ac);
|
|
830 /* add the callback */
|
|
831 if (val->call_data)
|
|
832 XtAddCallback (scale, XtNgetValue, xaw_generic_callback, (XtPointer)instance);
|
|
833
|
|
834 XtManageChild (scale);
|
|
835
|
|
836 return scale;
|
|
837 }
|
|
838
|
460
|
839 #if defined(LWLIB_WIDGETS_ATHENA)
|
442
|
840 #define TEXT_BUFFER_SIZE 128
|
428
|
841 static Widget
|
|
842 xaw_create_text_field (widget_instance *instance)
|
|
843 {
|
|
844 Arg al[20];
|
|
845 int ac = 0;
|
|
846 Widget text = 0;
|
|
847 widget_value* val = instance->info->val;
|
|
848
|
442
|
849 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
|
428
|
850 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
|
|
851 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0); ac++;
|
|
852 XtSetArg (al [ac], XtNtype, XawAsciiString); ac++;
|
|
853 XtSetArg (al [ac], XtNeditType, XawtextEdit); ac++;
|
442
|
854 XtSetArg (al [ac], XtNuseStringInPlace, False); ac++;
|
|
855 #if 0
|
|
856 XtSetArg (al [ac], XtNlength, TEXT_BUFFER_SIZE); ac++;
|
|
857 #endif
|
|
858 if (val->value)
|
|
859 {
|
|
860 XtSetArg (al [ac], XtNstring, val->value); ac++;
|
|
861 }
|
428
|
862
|
|
863 /* add any args the user supplied for creation time */
|
|
864 lw_add_value_args_to_args (val, al, &ac);
|
|
865
|
|
866 text = XtCreateManagedWidget (val->name, asciiTextWidgetClass,
|
|
867 instance->parent, al, ac);
|
442
|
868
|
|
869 /* add the callback */
|
|
870 if (val->call_data)
|
|
871 XtAddCallback (text, XtNgetValue, xaw_generic_callback, (XtPointer)instance);
|
|
872
|
428
|
873 XtManageChild (text);
|
|
874
|
|
875 return text;
|
|
876 }
|
|
877 #endif
|
442
|
878
|
428
|
879 #endif /* LWLIB_WIDGETS_ATHENA */
|
|
880
|
450
|
881 const widget_creation_entry
|
428
|
882 xaw_creation_table [] =
|
|
883 {
|
|
884 #ifdef LWLIB_SCROLLBARS_ATHENA
|
|
885 {"vertical-scrollbar", xaw_create_vertical_scrollbar },
|
|
886 {"horizontal-scrollbar", xaw_create_horizontal_scrollbar },
|
|
887 #endif
|
|
888 #ifdef LWLIB_WIDGETS_ATHENA
|
|
889 {"button", xaw_create_button },
|
|
890 { "label", xaw_create_label_field },
|
|
891 {"text-field", xaw_create_text_field },
|
|
892 {"progress", xaw_create_progress },
|
|
893 #endif
|
|
894 {NULL, NULL}
|
|
895 };
|
|
896
|