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0
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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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80
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17 along with XEmacs; see the file COPYING. If not, write to
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78
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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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0
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20
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157
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21 #include <config.h>
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0
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22 #include <stdio.h>
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23
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24 #include "lwlib-Xaw.h"
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25
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26 #include <X11/StringDefs.h>
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27 #include <X11/IntrinsicP.h>
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28 #include <X11/CoreP.h>
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29 #include <X11/Shell.h>
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30
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31 #ifdef SCROLLBARS_ATHENA
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32 #include <X11/Xaw/Scrollbar.h>
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33 #endif
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34 #ifdef DIALOGS_ATHENA
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35 #include <X11/Xaw/Dialog.h>
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36 #include <X11/Xaw/Form.h>
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37 #include <X11/Xaw/Command.h>
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38 #include <X11/Xaw/Label.h>
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39 #endif
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40
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41 #include <X11/Xatom.h>
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42
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43 static void xaw_generic_callback (Widget, XtPointer, XtPointer);
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44
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45
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46 Boolean
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47 lw_xaw_widget_p (Widget widget)
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48 {
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49 return (0
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50 #ifdef SCROLLBARS_ATHENA
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51 || XtIsSubclass (widget, scrollbarWidgetClass)
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52 #endif
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53 #ifdef DIALOGS_ATHENA
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54 || XtIsSubclass (widget, dialogWidgetClass)
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55 #endif
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56 );
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57 }
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58
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59 #ifdef SCROLLBARS_ATHENA
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60 static void
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61 xaw_update_scrollbar (widget_instance *instance, Widget widget,
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62 widget_value *val)
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63 {
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64 if (val->scrollbar_data)
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65 {
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66 scrollbar_values *data = val->scrollbar_data;
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67 float widget_shown, widget_topOfThumb;
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68 float new_shown, new_topOfThumb;
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69
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70 /*
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71 * First size and position the scrollbar widget.
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72 */
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73 XtVaSetValues (widget,
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74 XtNx, data->scrollbar_x,
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75 XtNy, data->scrollbar_y,
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76 XtNwidth, data->scrollbar_width,
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77 XtNheight, data->scrollbar_height,
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78 0);
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79
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80 /*
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81 * Now the size the scrollbar's slider.
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82 */
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83
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84 XtVaGetValues (widget,
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85 XtNtopOfThumb, &widget_topOfThumb,
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86 XtNshown, &widget_shown,
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87 0);
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88
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89 new_shown = (double) data->slider_size /
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90 (double) (data->maximum - data->minimum);
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91
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92 new_topOfThumb = (double) (data->slider_position - data->minimum) /
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93 (double) (data->maximum - data->minimum);
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94
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95 if (new_shown > 1.0)
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96 new_shown = 1.0;
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97 if (new_shown < 0)
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98 new_shown = 0;
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99
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100 if (new_topOfThumb > 1.0)
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101 new_topOfThumb = 1.0;
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102 if (new_topOfThumb < 0)
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103 new_topOfThumb = 0;
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104
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105 if (new_shown != widget_shown || new_topOfThumb != widget_topOfThumb)
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106 XawScrollbarSetThumb (widget, new_topOfThumb, new_shown);
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107 }
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108 }
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109 #endif /* SCROLLBARS_ATHENA */
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110
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111 void
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112 xaw_update_one_widget (widget_instance *instance, Widget widget,
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113 widget_value *val, Boolean deep_p)
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114 {
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115 if (0)
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116 ;
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117 #ifdef SCROLLBARS_ATHENA
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118 else if (XtIsSubclass (widget, scrollbarWidgetClass))
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119 {
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120 xaw_update_scrollbar (instance, widget, val);
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121 }
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122 #endif
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123 #ifdef DIALOGS_ATHENA
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124 else if (XtIsSubclass (widget, dialogWidgetClass))
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125 {
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126 XtVaSetValues (widget, XtNlabel, val->contents->value, 0);
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127 }
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128 else if (XtIsSubclass (widget, commandWidgetClass))
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129 {
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130 Dimension bw = 0;
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131 XtVaGetValues (widget, XtNborderWidth, &bw, 0);
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82
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132
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133 #ifndef LWLIB_DIALOGS_ATHENA3D
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0
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134 if (bw == 0)
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135 /* Don't let buttons end up with 0 borderwidth, that's ugly...
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136 Yeah, all this should really be done through app-defaults files
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137 or fallback resources, but that's a whole different can of worms
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138 that I don't feel like opening right now. Making Athena widgets
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139 not look like shit is just entirely too much work.
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140 */
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141 XtVaSetValues (widget, XtNborderWidth, 1, 0);
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82
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142 #endif
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0
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143
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144 XtVaSetValues (widget,
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145 XtNlabel, val->value,
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146 XtNsensitive, val->enabled,
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147 /* Force centered button text. Se above. */
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148 XtNjustify, XtJustifyCenter,
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149 0);
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150
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151 XtRemoveAllCallbacks (widget, XtNcallback);
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152 XtAddCallback (widget, XtNcallback, xaw_generic_callback, instance);
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153 }
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154 #endif
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155 }
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156
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157 void
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158 xaw_update_one_value (widget_instance *instance, Widget widget,
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159 widget_value *val)
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160 {
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161 /* This function is not used by the scrollbars and those are the only
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162 Athena widget implemented at the moment so do nothing. */
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163 return;
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164 }
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165
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166 void
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167 xaw_destroy_instance (widget_instance *instance)
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168 {
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169 #ifdef DIALOGS_ATHENA
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170 if (XtIsSubclass (instance->widget, dialogWidgetClass))
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171 /* Need to destroy the Shell too. */
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172 XtDestroyWidget (XtParent (instance->widget));
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173 else
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174 #endif
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175 XtDestroyWidget (instance->widget);
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176 }
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177
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178 void
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179 xaw_popup_menu (Widget widget, XEvent *event)
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180 {
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181 /* An Athena menubar has not been implemented. */
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182 return;
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183 }
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184
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185 void
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186 xaw_pop_instance (widget_instance *instance, Boolean up)
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187 {
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188 Widget widget = instance->widget;
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189
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190 if (up)
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191 {
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192 #ifdef DIALOGS_ATHENA
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193 if (XtIsSubclass (widget, dialogWidgetClass))
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194 {
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195 /* For dialogs, we need to call XtPopup on the parent instead
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196 of calling XtManageChild on the widget.
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197 Also we need to hack the shell's WM_PROTOCOLS to get it to
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198 understand what the close box is supposed to do!!
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199 */
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200 Display *dpy = XtDisplay (widget);
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201 Widget shell = XtParent (widget);
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202 Atom props [2];
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203 int i = 0;
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204 props [i++] = XInternAtom (dpy, "WM_DELETE_WINDOW", False);
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205 XChangeProperty (dpy, XtWindow (shell),
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206 XInternAtom (dpy, "WM_PROTOCOLS", False),
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207 XA_ATOM, 32, PropModeAppend,
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208 (unsigned char *) props, i);
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209
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210 /* Center the widget in its parent. Why isn't this kind of crap
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211 done automatically? I thought toolkits were supposed to make
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212 life easier?
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213 */
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214 {
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215 unsigned int x, y, w, h;
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216 Widget topmost = instance->parent;
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217 w = shell->core.width;
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218 h = shell->core.height;
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219 while (topmost->core.parent && XtIsRealized (topmost->core.parent))
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220 topmost = topmost->core.parent;
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221 if (topmost->core.width < w) x = topmost->core.x;
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222 else x = topmost->core.x + ((topmost->core.width - w) / 2);
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223 if (topmost->core.height < h) y = topmost->core.y;
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224 else y = topmost->core.y + ((topmost->core.height - h) / 2);
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225 XtMoveWidget (shell, x, y);
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226 }
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227
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228 /* Finally, pop it up. */
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229 XtPopup (shell, XtGrabNonexclusive);
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230 }
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231 else
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232 #endif /* DIALOGS_ATHENA */
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233 XtManageChild (widget);
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234 }
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235 else
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236 {
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237 #ifdef DIALOGS_ATHENA
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238 if (XtIsSubclass (widget, dialogWidgetClass))
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239 XtUnmanageChild (XtParent (widget));
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240 else
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241 #endif
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242 XtUnmanageChild (widget);
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243 }
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244 }
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245
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246
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247 #ifdef DIALOGS_ATHENA
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248 /* Dialog boxes */
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249
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250 static char overrideTrans[] =
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251 "<Message>WM_PROTOCOLS: lwlib_delete_dialog()";
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252 static XtActionProc wm_delete_window (Widget shell, XtPointer closure,
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253 XtPointer call_data);
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254 static XtActionsRec xaw_actions [] = {
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255 {"lwlib_delete_dialog", (XtActionProc) wm_delete_window}
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256 };
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257 static Boolean actions_initted = False;
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258
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259 static Widget
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260 make_dialog (CONST char* name, Widget parent, Boolean pop_up_p,
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261 CONST char* shell_title, CONST char* icon_name,
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262 Boolean text_input_slot,
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263 Boolean radio_box, Boolean list,
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264 int left_buttons, int right_buttons)
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265 {
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266 Arg av [20];
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267 int ac = 0;
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268 int i, bc;
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269 char button_name [255];
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270 Widget shell;
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271 Widget dialog;
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272 Widget button;
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273 XtTranslations override;
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274
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275 if (! pop_up_p) abort (); /* not implemented */
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276 if (text_input_slot) abort (); /* not implemented */
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277 if (radio_box) abort (); /* not implemented */
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278 if (list) abort (); /* not implemented */
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279
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280 if (! actions_initted)
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281 {
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282 XtAppContext app = XtWidgetToApplicationContext (parent);
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283 XtAppAddActions (app, xaw_actions,
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284 sizeof (xaw_actions) / sizeof (xaw_actions[0]));
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285 actions_initted = True;
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286 }
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287
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288 override = XtParseTranslationTable (overrideTrans);
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289
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290 ac = 0;
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80
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291 XtSetArg (av[ac], XtNtitle, shell_title); ac++;
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0
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292 XtSetArg (av[ac], XtNallowShellResize, True); ac++;
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80
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293 XtSetArg (av[ac], XtNtransientFor, parent); ac++;
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0
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294 shell = XtCreatePopupShell ("dialog", transientShellWidgetClass,
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295 parent, av, ac);
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296 XtOverrideTranslations (shell, override);
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297
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298 ac = 0;
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299 dialog = XtCreateManagedWidget (name, dialogWidgetClass, shell, av, ac);
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300
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301 bc = 0;
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302 button = 0;
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303 for (i = 0; i < left_buttons; i++)
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304 {
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305 ac = 0;
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80
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306 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
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307 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++;
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308 XtSetArg (av [ac], XtNright, XtChainLeft); ac++;
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309 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
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0
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310 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
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80
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311 XtSetArg (av [ac], XtNresizable, True); ac++;
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0
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312 sprintf (button_name, "button%d", ++bc);
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313 button = XtCreateManagedWidget (button_name, commandWidgetClass,
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314 dialog, av, ac);
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315 }
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316 if (right_buttons)
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317 {
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318 /* Create a separator
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319
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320 I want the separator to take up the slack between the buttons on
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321 the right and the buttons on the left (that is I want the buttons
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322 after the separator to be packed against the right edge of the
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323 window) but I can't seem to make it do it.
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324 */
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325 ac = 0;
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80
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326 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
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0
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327 /* XtSetArg (av [ac], XtNfromVert, XtNameToWidget (dialog, "label")); ac++; */
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80
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328 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++;
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329 XtSetArg (av [ac], XtNright, XtChainRight); ac++;
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330 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
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0
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331 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
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332 XtSetArg (av [ac], XtNlabel, ""); ac++;
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333 XtSetArg (av [ac], XtNwidth, 30); ac++; /* #### aaack!! */
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334 XtSetArg (av [ac], XtNborderWidth, 0); ac++;
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335 XtSetArg (av [ac], XtNshapeStyle, XmuShapeRectangle); ac++;
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336 XtSetArg (av [ac], XtNresizable, False); ac++;
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337 XtSetArg (av [ac], XtNsensitive, False); ac++;
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338 button = XtCreateManagedWidget ("separator",
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339 /* labelWidgetClass, */
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340 /* This has to be Command to fake out
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341 the Dialog widget... */
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342 commandWidgetClass,
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343 dialog, av, ac);
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344 }
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345 for (i = 0; i < right_buttons; i++)
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346 {
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347 ac = 0;
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80
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348 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
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349 XtSetArg (av [ac], XtNleft, XtChainRight); ac++;
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350 XtSetArg (av [ac], XtNright, XtChainRight); ac++;
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351 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
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0
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352 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
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80
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353 XtSetArg (av [ac], XtNresizable, True); ac++;
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0
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354 sprintf (button_name, "button%d", ++bc);
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355 button = XtCreateManagedWidget (button_name, commandWidgetClass,
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356 dialog, av, ac);
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357 }
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358
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359 return dialog;
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360 }
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361
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362 Widget
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363 xaw_create_dialog (widget_instance* instance)
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364 {
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365 char *name = instance->info->type;
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366 Widget parent = instance->parent;
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367 Widget widget;
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368 Boolean pop_up_p = instance->pop_up_p;
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369 CONST char *shell_name = 0;
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370 CONST char *icon_name = 0;
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371 Boolean text_input_slot = False;
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372 Boolean radio_box = False;
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373 Boolean list = False;
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374 int total_buttons;
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375 int left_buttons = 0;
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376 int right_buttons = 1;
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377
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378 switch (name [0]) {
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379 case 'E': case 'e':
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380 icon_name = "dbox-error";
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381 shell_name = "Error";
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382 break;
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383
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384 case 'I': case 'i':
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385 icon_name = "dbox-info";
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386 shell_name = "Information";
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387 break;
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388
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389 case 'L': case 'l':
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390 list = True;
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391 icon_name = "dbox-question";
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392 shell_name = "Prompt";
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393 break;
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394
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395 case 'P': case 'p':
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396 text_input_slot = True;
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397 icon_name = "dbox-question";
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|
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398 shell_name = "Prompt";
|
|
|
399 break;
|
|
|
400
|
|
|
401 case 'Q': case 'q':
|
|
|
402 icon_name = "dbox-question";
|
|
|
403 shell_name = "Question";
|
|
|
404 break;
|
|
|
405 }
|
|
|
406
|
|
|
407 total_buttons = name [1] - '0';
|
|
|
408
|
|
|
409 if (name [3] == 'T' || name [3] == 't')
|
|
|
410 {
|
|
|
411 text_input_slot = False;
|
|
|
412 radio_box = True;
|
|
|
413 }
|
|
|
414 else if (name [3])
|
|
|
415 right_buttons = name [4] - '0';
|
|
|
416
|
|
|
417 left_buttons = total_buttons - right_buttons;
|
|
|
418
|
|
|
419 widget = make_dialog (name, parent, pop_up_p,
|
|
|
420 shell_name, icon_name, text_input_slot, radio_box,
|
|
|
421 list, left_buttons, right_buttons);
|
|
|
422
|
|
|
423 return widget;
|
|
|
424 }
|
|
|
425 #endif /* DIALOGS_ATHENA */
|
|
|
426
|
|
|
427
|
|
|
428 static void
|
|
|
429 xaw_generic_callback (Widget widget, XtPointer closure, XtPointer call_data)
|
|
|
430 {
|
|
|
431 widget_instance *instance = (widget_instance *) closure;
|
|
|
432 Widget instance_widget;
|
|
|
433 LWLIB_ID id;
|
|
|
434 XtPointer user_data;
|
|
|
435
|
|
|
436 lw_internal_update_other_instances (widget, closure, call_data);
|
|
|
437
|
|
|
438 if (! instance)
|
|
|
439 return;
|
|
|
440 if (widget->core.being_destroyed)
|
|
|
441 return;
|
|
|
442
|
|
|
443 instance_widget = instance->widget;
|
|
|
444 if (!instance_widget)
|
|
|
445 return;
|
|
|
446
|
|
|
447 id = instance->info->id;
|
|
|
448
|
|
|
449 #if 0
|
|
|
450 user_data = NULL;
|
|
|
451 XtVaGetValues (widget, XtNuserData, &user_data, 0);
|
|
|
452 #else
|
|
|
453 /* Damn! Athena doesn't give us a way to hang our own data on the
|
|
|
454 buttons, so we have to go find it... I guess this assumes that
|
|
|
455 all instances of a button have the same call data. */
|
|
|
456 {
|
|
|
457 widget_value *val = instance->info->val->contents;
|
|
|
458 char *name = XtName (widget);
|
|
|
459 while (val)
|
|
|
460 {
|
|
|
461 if (val->name && !strcmp (val->name, name))
|
|
|
462 break;
|
|
|
463 val = val->next;
|
|
|
464 }
|
|
|
465 if (! val) abort ();
|
|
|
466 user_data = val->call_data;
|
|
|
467 }
|
|
|
468 #endif
|
|
|
469
|
|
|
470 if (instance->info->selection_cb)
|
|
|
471 instance->info->selection_cb (widget, id, user_data);
|
|
|
472 }
|
|
|
473
|
|
|
474 #ifdef DIALOGS_ATHENA
|
|
|
475
|
|
|
476 static XtActionProc
|
|
|
477 wm_delete_window (Widget shell, XtPointer closure, XtPointer call_data)
|
|
|
478 {
|
|
|
479 LWLIB_ID id;
|
|
|
480 Widget *kids = 0;
|
|
|
481 Widget widget;
|
|
|
482 if (! XtIsSubclass (shell, shellWidgetClass))
|
|
|
483 abort ();
|
|
|
484 XtVaGetValues (shell, XtNchildren, &kids, 0);
|
|
|
485 if (!kids || !*kids)
|
|
|
486 abort ();
|
|
|
487 widget = kids [0];
|
|
|
488 if (! XtIsSubclass (widget, dialogWidgetClass))
|
|
|
489 abort ();
|
|
|
490 id = lw_get_widget_id (widget);
|
|
|
491 if (! id) abort ();
|
|
|
492
|
|
|
493 {
|
|
|
494 widget_info *info = lw_get_widget_info (id);
|
|
|
495 if (! info) abort ();
|
|
|
496 if (info->selection_cb)
|
|
|
497 info->selection_cb (widget, id, (XtPointer) -1);
|
|
|
498 }
|
|
|
499
|
|
|
500 lw_destroy_all_widgets (id);
|
|
|
501 return NULL;
|
|
|
502 }
|
|
|
503
|
|
|
504 #endif /* DIALOGS_ATHENA */
|
|
|
505
|
|
|
506
|
|
|
507 /* Scrollbars */
|
|
|
508
|
|
|
509 #ifdef SCROLLBARS_ATHENA
|
|
|
510 static void
|
|
|
511 xaw_scrollbar_scroll (Widget widget, XtPointer closure, XtPointer call_data)
|
|
|
512 {
|
|
|
513 widget_instance *instance = (widget_instance *) closure;
|
|
|
514 LWLIB_ID id;
|
|
|
515 scroll_event event_data;
|
|
|
516
|
|
|
517 if (!instance || widget->core.being_destroyed)
|
|
|
518 return;
|
|
|
519
|
|
|
520 id = instance->info->id;
|
|
|
521 event_data.slider_value = (int) call_data;
|
|
|
522 event_data.time = 0;
|
|
|
523
|
|
|
524 if ((int) call_data > 0)
|
|
82
|
525 /* event_data.action = SCROLLBAR_PAGE_DOWN;*/
|
|
|
526 event_data.action = SCROLLBAR_LINE_DOWN;
|
|
0
|
527 else
|
|
82
|
528 /* event_data.action = SCROLLBAR_PAGE_UP;*/
|
|
|
529 event_data.action = SCROLLBAR_LINE_UP;
|
|
0
|
530
|
|
|
531 if (instance->info->pre_activate_cb)
|
|
|
532 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
|
|
|
533 }
|
|
|
534
|
|
|
535 static void
|
|
|
536 xaw_scrollbar_jump (Widget widget, XtPointer closure, XtPointer call_data)
|
|
|
537 {
|
|
|
538 widget_instance *instance = (widget_instance *) closure;
|
|
|
539 LWLIB_ID id;
|
|
|
540 scroll_event event_data;
|
|
|
541 scrollbar_values *val =
|
|
|
542 (scrollbar_values *) instance->info->val->scrollbar_data;
|
|
|
543 float percent;
|
|
|
544
|
|
|
545 if (!instance || widget->core.being_destroyed)
|
|
|
546 return;
|
|
|
547
|
|
|
548 id = instance->info->id;
|
|
|
549
|
|
|
550 percent = * (float *) call_data;
|
|
|
551 event_data.slider_value =
|
|
|
552 (int) (percent * (float) (val->maximum - val->minimum)) + val->minimum;
|
|
|
553
|
|
|
554 event_data.time = 0;
|
|
|
555 event_data.action = SCROLLBAR_DRAG;
|
|
|
556
|
|
|
557 if (instance->info->pre_activate_cb)
|
|
|
558 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
|
|
|
559 }
|
|
|
560
|
|
|
561 static Widget
|
|
|
562 xaw_create_scrollbar (widget_instance *instance, int vertical)
|
|
|
563 {
|
|
78
|
564 Arg av[10];
|
|
0
|
565 int ac = 0;
|
|
80
|
566
|
|
78
|
567 static XtCallbackRec jumpCallbacks[2] =
|
|
|
568 { {xaw_scrollbar_jump, NULL}, {NULL, NULL} };
|
|
|
569
|
|
|
570 static XtCallbackRec scrollCallbacks[2] =
|
|
|
571 { {xaw_scrollbar_scroll, NULL}, {NULL, NULL} };
|
|
|
572
|
|
|
573 jumpCallbacks[0].closure = scrollCallbacks[0].closure = (XtPointer) instance;
|
|
0
|
574
|
|
|
575 /* #### This is tacked onto the with and height and completely
|
|
|
576 screws our geometry management. We should probably make the
|
|
|
577 top-level aware of this so that people could have a border but so
|
|
|
578 few people use the Athena scrollbar now that it really isn't
|
|
|
579 worth the effort, at least not at the moment. */
|
|
|
580 XtSetArg (av [ac], XtNborderWidth, 0); ac++;
|
|
80
|
581 XtSetArg (av [ac], XtNorientation,
|
|
|
582 vertical ? XtorientVertical : XtorientHorizontal); ac++;
|
|
|
583 XtSetArg (av [ac], "jumpProc", jumpCallbacks); ac++;
|
|
|
584 XtSetArg (av [ac], "scrollProc", scrollCallbacks); ac++;
|
|
0
|
585
|
|
80
|
586 return XtCreateWidget (instance->info->name, scrollbarWidgetClass,
|
|
|
587 instance->parent, av, ac);
|
|
0
|
588 }
|
|
|
589
|
|
|
590 static Widget
|
|
|
591 xaw_create_vertical_scrollbar (widget_instance *instance)
|
|
|
592 {
|
|
|
593 return xaw_create_scrollbar (instance, 1);
|
|
|
594 }
|
|
|
595
|
|
|
596 static Widget
|
|
|
597 xaw_create_horizontal_scrollbar (widget_instance *instance)
|
|
|
598 {
|
|
|
599 return xaw_create_scrollbar (instance, 0);
|
|
|
600 }
|
|
|
601 #endif /* SCROLLBARS_ATHENA */
|
|
|
602
|
|
|
603 widget_creation_entry
|
|
|
604 xaw_creation_table [] =
|
|
|
605 {
|
|
|
606 #ifdef SCROLLBARS_ATHENA
|
|
|
607 {"vertical-scrollbar", xaw_create_vertical_scrollbar},
|
|
|
608 {"horizontal-scrollbar", xaw_create_horizontal_scrollbar},
|
|
|
609 #endif
|
|
|
610 {NULL, NULL}
|
|
|
611 };
|
