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0
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1 /* Implements an elisp-programmable menubar -- X interface.
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2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* created 16-dec-91 by jwz */
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25
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26 #include <config.h>
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27 #include "lisp.h"
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28
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29 #include "console-x.h"
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30 #include "EmacsManager.h"
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31 #include "EmacsFrame.h"
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32 #include "EmacsShell.h"
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33 #include "gui-x.h"
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34
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35 #include "buffer.h"
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36 #include "commands.h" /* zmacs_regions */
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37 #include "events.h"
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38 #include "frame.h"
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39 #include "opaque.h"
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40 #include "window.h"
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41
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42 static int set_frame_menubar (struct frame *f,
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43 int deep_p,
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44 int first_time_p);
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45
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46 #define FRAME_MENUBAR_DATA(frame) ((frame)->menubar_data)
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47 #define XFRAME_MENUBAR_DATA(frame) XPOPUP_DATA ((frame)->menubar_data)
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48
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49 #define MENUBAR_TYPE 0
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50 #define SUBMENU_TYPE 1
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51 #define POPUP_TYPE 2
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52
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53
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54 /* Converting Lisp menu tree descriptions to lwlib's `widget_value' form.
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55
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56 menu_item_descriptor_to_widget_value() converts a lisp description of a
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57 menubar into a tree of widget_value structures. It allocates widget_values
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58 with malloc_widget_value() and allocates other storage only for the `key'
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59 slot. All other slots are filled with pointers to Lisp_String data. We
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60 allocate a widget_value description of the menu or menubar, and hand it to
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61 lwlib, which then makes a copy of it, which it manages internally. We then
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62 immediately free our widget_value tree; it will not be referenced again.
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63
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64 Incremental menu construction callbacks operate just a bit differently.
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65 They allocate widget_values and call replace_widget_value_tree() to tell
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66 lwlib to destructively modify the incremental stub (subtree) of its
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67 separate widget_value tree.
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68
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69 This function is highly recursive (it follows the menu trees) and may call
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70 eval. The reason we keep pointers to lisp string data instead of copying
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71 it and freeing it later is to avoid the speed penalty that would entail
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72 (since this needs to be fast, in the simple cases at least). (The reason
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73 we malloc/free the keys slot is because there's not a lisp string around
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74 for us to use in that case.)
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75
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76 Since we keep pointers to lisp strings, and we call eval, we could lose if
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77 GC relocates (or frees) those strings. It's not easy to gc protect the
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78 strings because of the recursive nature of this function, and the fact that
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79 it returns a data structure that gets freed later. So... we do the
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80 sleaziest thing possible and inhibit GC for the duration. This is probably
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81 not a big deal...
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82
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83 We do not have to worry about the pointers to Lisp_String data after
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84 this function successfully finishes. lwlib copies all such data with
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16
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85 strdup(). */
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0
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86
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87 static widget_value *
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88 menu_item_descriptor_to_widget_value_1 (Lisp_Object desc,
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89 int menu_type, int deep_p,
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90 int filter_p,
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91 int depth)
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92 {
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93 /* This function cannot GC.
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94 It is only called from menu_item_descriptor_to_widget_value, which
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95 prohibits GC. */
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96 /* !!#### This function has not been Mule-ized */
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97 int menubar_root_p = (menu_type == MENUBAR_TYPE && depth == 0);
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98 widget_value *wv;
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99 Lisp_Object wv_closure;
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100 int count = specpdl_depth ();
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101 int partition_seen = 0;
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102
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103 wv = xmalloc_widget_value ();
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104
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105 wv_closure = make_opaque_ptr (wv);
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106 record_unwind_protect (widget_value_unwind, wv_closure);
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107
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108 if (STRINGP (desc))
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109 {
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16
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110 char *string_chars = (char *) XSTRING_DATA (desc);
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0
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111 wv->type = (separator_string_p (string_chars) ? SEPARATOR_TYPE :
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112 TEXT_TYPE);
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113 #if 1
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114 /* #### - should internationalize with X resources instead.
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115 Not so! --ben */
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116 string_chars = GETTEXT (string_chars);
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117 #endif
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118 if (wv->type == SEPARATOR_TYPE)
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119 {
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120 wv->value = menu_separator_style (string_chars);
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121 }
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122 else
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123 {
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124 wv->name = string_chars;
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125 wv->enabled = 1;
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126 }
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127 }
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128 else if (VECTORP (desc))
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129 {
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130 if (!button_item_to_widget_value (desc, wv, 1,
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131 (menu_type == MENUBAR_TYPE
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132 && depth <= 1)))
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133 {
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134 /* :included form was nil */
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135 wv = NULL;
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136 goto menu_item_done;
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137 }
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138 }
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139 else if (CONSP (desc))
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140 {
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141 Lisp_Object incremental_data = desc;
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142 widget_value *prev = 0;
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143
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144 if (STRINGP (XCAR (desc)))
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145 {
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146 Lisp_Object key, val;
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147 Lisp_Object include_p, hook_fn = Qnil, config_tag = Qnil;
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148 int included_spec = 0;
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149 wv->type = CASCADE_TYPE;
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150 wv->enabled = 1;
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16
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151 wv->name = (char *) XSTRING_DATA (LISP_GETTEXT (XCAR (desc)));
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0
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152 desc = Fcdr (desc);
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153
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154 while (key = Fcar (desc), KEYWORDP (key))
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155 {
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156 Lisp_Object cascade = desc;
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157 desc = Fcdr (desc);
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158 if (NILP (desc))
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159 signal_simple_error ("keyword in menu lacks a value",
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160 cascade);
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161 val = Fcar (desc);
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162 desc = Fcdr (desc);
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163 if (EQ (key, Q_included))
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164 include_p = val, included_spec = 1;
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165 else if (EQ (key, Q_config))
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166 config_tag = val;
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167 else if (EQ (key, Q_filter))
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168 hook_fn = val;
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169 else
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170 signal_simple_error ("unknown menu cascade keyword", cascade);
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171 }
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172
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173 if ((!NILP (config_tag)
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174 && NILP (Fmemq (config_tag, Vmenubar_configuration)))
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175 || (included_spec && NILP (Feval (include_p))))
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176 {
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177 wv = NULL;
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178 goto menu_item_done;
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179 }
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180 if (!NILP (hook_fn))
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181 {
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182 #ifdef LWLIB_MENUBARS_LUCID
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183 if (filter_p || depth == 0)
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184 {
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185 #endif
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186 desc = call1_trapping_errors ("Error in menubar filter",
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187 hook_fn, desc);
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188 if (UNBOUNDP (desc))
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189 desc = Qnil;
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190 #ifdef LWLIB_MENUBARS_LUCID
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191 }
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192 else
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193 {
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194 widget_value *incr_wv = xmalloc_widget_value ();
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195 wv->contents = incr_wv;
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196 incr_wv->type = INCREMENTAL_TYPE;
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197 incr_wv->enabled = 1;
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198 incr_wv->name = wv->name;
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199 /* This is automatically GC protected through
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200 the call to lw_map_widget_values(); no need
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201 to worry. */
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202 incr_wv->call_data = LISP_TO_VOID (incremental_data);
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203 goto menu_item_done;
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204 }
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16
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205 #endif /* LWLIB_MENUBARS_LUCID */
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0
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206 }
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207 if (menu_type == POPUP_TYPE && popup_menu_titles && depth == 0)
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208 {
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209 /* Simply prepend three more widget values to the contents of
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210 the menu: a label, and two separators (to get a double
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211 line). */
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212 widget_value *title_wv = xmalloc_widget_value ();
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213 widget_value *sep_wv = xmalloc_widget_value ();
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214 title_wv->type = TEXT_TYPE;
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215 title_wv->name = wv->name;
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216 title_wv->enabled = 1;
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217 title_wv->next = sep_wv;
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218 sep_wv->type = SEPARATOR_TYPE;
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219 sep_wv->value = menu_separator_style ("==");
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220 sep_wv->next = 0;
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221
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222 wv->contents = title_wv;
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223 prev = sep_wv;
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224 }
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225 }
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226 else if (menubar_root_p)
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227 {
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2
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228 wv->name = (char *) "menubar";
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0
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229 wv->type = CASCADE_TYPE; /* Well, nothing else seems to fit and
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230 this is ignored anyway... */
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231 }
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232 else
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233 {
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234 signal_simple_error ("menu name (first element) must be a string",
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235 desc);
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236 }
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237
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238 wv->enabled = 1;
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239 if (deep_p || menubar_root_p)
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240 {
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241 widget_value *next;
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242 for (; !NILP (desc); desc = Fcdr (desc))
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243 {
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244 Lisp_Object child = Fcar (desc);
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245 if (menubar_root_p && NILP (child)) /* the partition */
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246 {
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247 if (partition_seen)
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248 error (
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249 "more than one partition (nil) in menubar description");
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250 partition_seen = 1;
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251 next = xmalloc_widget_value ();
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252 next->type = PUSHRIGHT_TYPE;
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253 }
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254 else
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255 {
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16
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256 next = menu_item_descriptor_to_widget_value_1
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257 (child, menu_type, deep_p, filter_p, depth + 1);
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0
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258 }
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259 if (! next)
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260 continue;
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261 else if (prev)
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262 prev->next = next;
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263 else
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264 wv->contents = next;
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265 prev = next;
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266 }
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267 }
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268 if (deep_p && !wv->contents)
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269 wv = NULL;
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270 }
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271 else if (NILP (desc))
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272 error ("nil may not appear in menu descriptions");
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273 else
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274 signal_simple_error ("unrecognized menu descriptor", desc);
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275
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276 menu_item_done:
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277
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278 if (wv)
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279 {
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280 /* Completed normally. Clear out the object that widget_value_unwind()
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281 will be called with to tell it not to free the wv (as we are
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282 returning it.) */
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283 set_opaque_ptr (wv_closure, 0);
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284 }
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285
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286 unbind_to (count, Qnil);
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287 return wv;
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288 }
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289
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290 static widget_value *
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291 menu_item_descriptor_to_widget_value (Lisp_Object desc,
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292 int menu_type, /* if this is a menubar,
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293 popup or sub menu */
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294 int deep_p, /* */
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295 int filter_p) /* if :filter forms
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296 should run now */
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297 {
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298 widget_value *wv;
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299 int count = specpdl_depth ();
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300 record_unwind_protect (restore_gc_inhibit,
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301 make_int (gc_currently_forbidden));
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302 gc_currently_forbidden = 1;
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303 /* Can't GC! */
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304 wv = menu_item_descriptor_to_widget_value_1 (desc, menu_type, deep_p,
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305 filter_p, 0);
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306 unbind_to (count, Qnil);
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307 return wv;
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308 }
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309
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310
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138
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311 #ifdef LWLIB_MENUBARS_LUCID
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312 int in_menu_callback;
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313
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314 Lisp_Object
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315 restore_in_menu_callback(Lisp_Object val)
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316 {
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317 in_menu_callback = XINT(val);
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318 return Qnil;
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319 }
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320 #endif /* LWLIB_MENUBARS_LUCID */
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321
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322
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0
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323 /* The order in which callbacks are run is funny to say the least.
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324 It's sometimes tricky to avoid running a callback twice, and to
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325 avoid returning prematurely. So, this function returns true
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326 if the menu's callbacks are no longer gc protected. So long
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327 as we unprotect them before allowing other callbacks to run,
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328 everything should be ok.
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329
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330 The pre_activate_callback() *IS* intentionally called multiple times.
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331 If client_data == NULL, then it's being called before the menu is posted.
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332 If client_data != NULL, then client_data is a (widget_value *) and
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333 client_data->data is a Lisp_Object pointing to a lisp submenu description
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334 that must be converted into widget_values. *client_data is destructively
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335 modified.
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336
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337 #### Stig thinks that there may be a GC problem here due to the
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338 fact that pre_activate_callback() is called multiple times, but I
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339 think he's wrong.
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340
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341 */
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342
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343 static void
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344 pre_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data)
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345 {
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346 /* This function can GC */
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347 struct gcpro gcpro1;
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348 struct device *d = get_device_from_display (XtDisplay (widget));
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349 struct frame *f = x_any_window_to_frame (d, XtWindow (widget));
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350 Lisp_Object rest = Qnil;
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82
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351 Lisp_Object frame;
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0
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352 int any_changes = 0;
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138
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353 int count;
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0
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354
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355 if (!f)
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356 f = x_any_window_to_frame (d, XtWindow (XtParent (widget)));
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357 if (!f)
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358 return;
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359
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82
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360 /* make sure f is the selected frame */
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361 XSETFRAME (frame, f);
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362 Fselect_frame (frame);
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363
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0
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364 if (client_data)
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365 {
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366 /* this is an incremental menu construction callback */
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367 widget_value *hack_wv = (widget_value *) client_data;
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368 Lisp_Object submenu_desc;
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369 widget_value *wv;
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370
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371 assert (hack_wv->type == INCREMENTAL_TYPE);
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372 VOID_TO_LISP (submenu_desc, hack_wv->call_data);
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138
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373
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374 /*
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375 * #### Fix the menu code so this isn't necessary.
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376 *
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377 * Protect against reentering the menu code otherwise we will
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378 * crash later when the code gets confused at the state
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379 * changes.
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380 */
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381 count = specpdl_depth ();
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382 record_unwind_protect (restore_in_menu_callback,
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383 make_int (in_menu_callback));
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384 in_menu_callback = 1;
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0
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385 wv = menu_item_descriptor_to_widget_value (submenu_desc, SUBMENU_TYPE,
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114
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386 1, 0);
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138
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387 unbind_to (count, Qnil);
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388
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0
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389 if (!wv)
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390 {
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391 wv = xmalloc_widget_value ();
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392 wv->type = CASCADE_TYPE;
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393 wv->next = NULL;
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394 wv->contents = xmalloc_widget_value ();
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395 wv->contents->type = TEXT_TYPE;
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2
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396 wv->contents->name = (char *) "No menu";
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0
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397 wv->contents->next = NULL;
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398 }
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399 assert (wv && wv->type == CASCADE_TYPE && wv->contents);
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400 replace_widget_value_tree (hack_wv, wv->contents);
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|
|
401 free_popup_widget_value_tree (wv);
|
|
|
402 }
|
|
|
403 else
|
|
|
404 {
|
|
|
405 if (!POPUP_DATAP (FRAME_MENUBAR_DATA (f)))
|
|
|
406 return;
|
|
|
407 /* #### - this menubar update mechanism is expensively anti-social and
|
|
|
408 the activate-menubar-hook is now mostly obsolete. */
|
|
|
409 /* make the activate-menubar-hook be a list of functions, not a single
|
|
|
410 function, just to simplify things. */
|
|
|
411 if (!NILP (Vactivate_menubar_hook) &&
|
|
|
412 (!CONSP (Vactivate_menubar_hook) ||
|
|
|
413 EQ (XCAR (Vactivate_menubar_hook), Qlambda)))
|
|
|
414 Vactivate_menubar_hook = Fcons (Vactivate_menubar_hook, Qnil);
|
|
|
415
|
|
|
416 GCPRO1 (rest);
|
|
|
417 for (rest = Vactivate_menubar_hook; !NILP (rest); rest = Fcdr (rest))
|
|
|
418 if (!EQ (call0 (XCAR (rest)), Qt))
|
|
|
419 any_changes = 1;
|
|
|
420 #if 0
|
|
|
421 /* #### - It is necessary to *ALWAYS* call set_frame_menubar() now that
|
|
|
422 incremental menus are implemented. If a subtree of a menu has been
|
|
|
423 updated incrementally (a destructive operation), then that subtree
|
|
|
424 must somehow be wiped.
|
|
|
425
|
|
|
426 It is difficult to undo the destructive operation in lwlib because
|
|
|
427 a pointer back to lisp data needs to be hidden away somewhere. So
|
|
|
428 that an INCREMENTAL_TYPE widget_value can be recreated... Hmmmmm. */
|
|
|
429 if (any_changes ||
|
|
|
430 !XFRAME_MENUBAR_DATA (f)->menubar_contents_up_to_date)
|
|
|
431 #endif
|
|
|
432 set_frame_menubar (f, 1, 0);
|
|
|
433 UNGCPRO;
|
|
|
434 }
|
|
|
435 }
|
|
|
436
|
|
|
437 #ifdef ENERGIZE
|
|
|
438 extern int *get_psheets_for_buffer (Lisp_Object, int *);
|
|
|
439
|
|
|
440 static void
|
|
|
441 set_panel_button_sensitivity (struct frame *f, widget_value *data)
|
|
|
442 {
|
|
|
443 struct window *window = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f));
|
|
|
444 int current_buffer_psheets_count = 0;
|
|
|
445 int *current_buffer_psheets =
|
|
|
446 get_psheets_for_buffer (window->buffer, ¤t_buffer_psheets_count);
|
|
|
447 int panel_enabled = FRAME_X_DESIRED_PSHEETS (f) ||
|
|
|
448 current_buffer_psheets_count;
|
|
|
449 widget_value *val;
|
|
|
450 for (val = data->contents; val; val = val->next)
|
|
|
451 if (val->name && !strcmp (val->name, "sheet"))
|
|
|
452 {
|
|
|
453 val->enabled = panel_enabled;
|
|
|
454 return;
|
|
|
455 }
|
|
|
456 }
|
|
|
457 #endif /* ENERGIZE */
|
|
|
458
|
|
|
459 static widget_value *
|
|
|
460 compute_menubar_data (struct frame *f, Lisp_Object menubar, int deep_p)
|
|
|
461 {
|
|
|
462 widget_value *data;
|
|
|
463
|
|
|
464 if (NILP (menubar))
|
|
|
465 data = 0;
|
|
|
466 else
|
|
|
467 {
|
|
82
|
468 Lisp_Object old_buffer;
|
|
|
469 int count = specpdl_depth ();
|
|
|
470
|
|
|
471 old_buffer = Fcurrent_buffer ();
|
|
|
472 record_unwind_protect (Fset_buffer, old_buffer);
|
|
|
473 Fset_buffer ( XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer);
|
|
0
|
474 data = menu_item_descriptor_to_widget_value (menubar, MENUBAR_TYPE,
|
|
|
475 deep_p, 0);
|
|
|
476 #ifdef ENERGIZE
|
|
|
477 if (data)
|
|
|
478 set_panel_button_sensitivity (f, data);
|
|
|
479 #endif
|
|
82
|
480 Fset_buffer (old_buffer);
|
|
|
481 unbind_to (count, Qnil);
|
|
0
|
482 }
|
|
|
483 return data;
|
|
|
484 }
|
|
|
485
|
|
|
486 static int
|
|
|
487 set_frame_menubar (struct frame *f, int deep_p, int first_time_p)
|
|
|
488 {
|
|
|
489 widget_value *data;
|
|
|
490 Lisp_Object menubar;
|
|
|
491 int menubar_visible;
|
|
|
492 long id;
|
|
|
493 /* As for the toolbar, the minibuffer does not have its own menubar. */
|
|
|
494 struct window *w = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f));
|
|
|
495
|
|
|
496 if (! FRAME_X_P (f))
|
|
|
497 return 0;
|
|
|
498
|
|
|
499 /***** first compute the contents of the menubar *****/
|
|
|
500
|
|
|
501 if (! first_time_p)
|
|
|
502 {
|
|
|
503 /* evaluate `current-menubar' in the buffer of the selected window
|
|
|
504 of the frame in question. */
|
|
|
505 menubar = symbol_value_in_buffer (Qcurrent_menubar, w->buffer);
|
|
|
506 }
|
|
|
507 else
|
|
|
508 {
|
|
|
509 /* That's a little tricky the first time since the frame isn't
|
|
|
510 fully initialized yet. */
|
|
|
511 menubar = Fsymbol_value (Qcurrent_menubar);
|
|
|
512 }
|
|
|
513
|
|
|
514 if (NILP (menubar))
|
|
|
515 {
|
|
|
516 menubar = Vblank_menubar;
|
|
|
517 menubar_visible = 0;
|
|
|
518 }
|
|
|
519 else
|
|
|
520 menubar_visible = !NILP (w->menubar_visible_p);
|
|
|
521
|
|
|
522 data = compute_menubar_data (f, menubar, deep_p);
|
|
|
523 if (!data || (!data->next && !data->contents))
|
|
|
524 abort ();
|
|
|
525
|
|
|
526 if (NILP (FRAME_MENUBAR_DATA (f)))
|
|
|
527 {
|
|
|
528 struct popup_data *mdata =
|
|
|
529 alloc_lcrecord (sizeof (struct popup_data), lrecord_popup_data);
|
|
|
530
|
|
|
531 mdata->id = new_lwlib_id ();
|
|
|
532 mdata->last_menubar_buffer = Qnil;
|
|
|
533 mdata->menubar_contents_up_to_date = 0;
|
|
|
534 XSETPOPUP_DATA (FRAME_MENUBAR_DATA (f), mdata);
|
|
|
535 }
|
|
|
536
|
|
|
537 /***** now store into the menubar widget, creating it if necessary *****/
|
|
|
538
|
|
|
539 id = XFRAME_MENUBAR_DATA (f)->id;
|
|
|
540 if (!FRAME_X_MENUBAR_WIDGET (f))
|
|
|
541 {
|
|
|
542 Widget parent = FRAME_X_CONTAINER_WIDGET (f);
|
|
|
543
|
|
|
544 assert (first_time_p);
|
|
|
545
|
|
|
546 /* It's the first time we've mapped the menubar so compute its
|
|
|
547 contents completely once. This makes sure that the menubar
|
|
|
548 components are created with the right type. */
|
|
|
549 if (!deep_p)
|
|
|
550 {
|
|
|
551 free_popup_widget_value_tree (data);
|
|
|
552 data = compute_menubar_data (f, menubar, 1);
|
|
|
553 }
|
|
|
554
|
|
|
555
|
|
|
556 FRAME_X_MENUBAR_WIDGET (f) =
|
|
|
557 lw_create_widget ("menubar", "menubar", id, data, parent,
|
|
|
558 0, pre_activate_callback,
|
|
|
559 popup_selection_callback, 0);
|
|
|
560
|
|
|
561 }
|
|
|
562 else
|
|
|
563 {
|
|
|
564 lw_modify_all_widgets (id, data, deep_p ? True : False);
|
|
|
565 }
|
|
|
566 free_popup_widget_value_tree (data);
|
|
|
567
|
|
|
568 XFRAME_MENUBAR_DATA (f)->menubar_contents_up_to_date = deep_p;
|
|
|
569 XFRAME_MENUBAR_DATA (f)->last_menubar_buffer =
|
|
|
570 XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f))->buffer;
|
|
|
571 return menubar_visible;
|
|
|
572 }
|
|
|
573
|
|
|
574
|
|
|
575 /* Called from x_create_widgets() to create the inital menubar of a frame
|
|
|
576 before it is mapped, so that the window is mapped with the menubar already
|
|
|
577 there instead of us tacking it on later and thrashing the window after it
|
|
|
578 is visible. */
|
|
|
579 int
|
|
|
580 x_initialize_frame_menubar (struct frame *f)
|
|
|
581 {
|
|
|
582 return set_frame_menubar (f, 1, 1);
|
|
|
583 }
|
|
|
584
|
|
|
585
|
|
|
586 static LWLIB_ID last_popup_menu_selection_callback_id;
|
|
|
587
|
|
|
588 static void
|
|
|
589 popup_menu_selection_callback (Widget widget, LWLIB_ID id,
|
|
|
590 XtPointer client_data)
|
|
|
591 {
|
|
|
592 last_popup_menu_selection_callback_id = id;
|
|
|
593 popup_selection_callback (widget, id, client_data);
|
|
|
594 /* lw_destroy_all_widgets() will be called from popup_down_callback() */
|
|
|
595 }
|
|
|
596
|
|
|
597 static void
|
|
|
598 popup_menu_down_callback (Widget widget, LWLIB_ID id, XtPointer client_data)
|
|
|
599 {
|
|
|
600 if (popup_handled_p (id))
|
|
|
601 return;
|
|
|
602 assert (popup_up_p != 0);
|
|
|
603 ungcpro_popup_callbacks (id);
|
|
|
604 popup_up_p--;
|
|
|
605 /* if this isn't called immediately after the selection callback, then
|
|
|
606 there wasn't a menu selection. */
|
|
|
607 if (id != last_popup_menu_selection_callback_id)
|
|
|
608 popup_selection_callback (widget, id, (XtPointer) -1);
|
|
|
609 lw_destroy_all_widgets (id);
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
|
613 static void
|
|
|
614 make_dummy_xbutton_event (XEvent *dummy,
|
|
|
615 Widget daddy,
|
|
|
616 struct Lisp_Event *eev)
|
|
|
617 /* NULL for eev means query pointer */
|
|
|
618 {
|
|
|
619 XButtonPressedEvent *btn = (XButtonPressedEvent *) dummy;
|
|
|
620
|
|
|
621 btn->type = ButtonPress;
|
|
|
622 btn->serial = 0;
|
|
|
623 btn->send_event = 0;
|
|
|
624 btn->display = XtDisplay (daddy);
|
|
|
625 btn->window = XtWindow (daddy);
|
|
|
626 if (eev)
|
|
|
627 {
|
|
|
628 Position shellx, shelly, framex, framey;
|
|
|
629 Widget shell = XtParent (daddy);
|
|
|
630 btn->time = eev->timestamp;
|
|
|
631 btn->button = eev->event.button.button;
|
|
|
632 btn->root = RootWindowOfScreen (XtScreen (daddy));
|
|
|
633 btn->subwindow = (Window) NULL;
|
|
|
634 btn->x = eev->event.button.x;
|
|
|
635 btn->y = eev->event.button.y;
|
|
|
636 XtVaGetValues (shell, XtNx, &shellx, XtNy, &shelly, NULL);
|
|
|
637 XtVaGetValues (daddy, XtNx, &framex, XtNy, &framey, NULL);
|
|
|
638 btn->x_root = shellx + framex + btn->x;
|
|
|
639 btn->y_root = shelly + framey + btn->y;;
|
|
|
640 btn->state = ButtonPressMask; /* all buttons pressed */
|
|
|
641 }
|
|
|
642 else
|
|
|
643 {
|
|
|
644 /* CurrentTime is just ZERO, so it's worthless for
|
|
|
645 determining relative click times. */
|
|
|
646 struct device *d = get_device_from_display (XtDisplay (daddy));
|
|
|
647 btn->time = DEVICE_X_MOUSE_TIMESTAMP (d); /* event-Xt maintains this */
|
|
|
648 btn->button = 0;
|
|
|
649 XQueryPointer (btn->display, btn->window, &btn->root,
|
|
|
650 &btn->subwindow, &btn->x_root, &btn->y_root,
|
|
|
651 &btn->x, &btn->y, &btn->state);
|
|
|
652 }
|
|
|
653 }
|
|
|
654
|
|
|
655
|
|
|
656 #ifdef ENERGIZE
|
|
|
657 extern int desired_debuggerpanel_exposed_p;
|
|
|
658 extern int current_debuggerpanel_exposed_p;
|
|
|
659 extern int debuggerpanel_sheet;
|
|
|
660 extern void notify_energize_sheet_hidden (unsigned long);
|
|
|
661 #endif
|
|
|
662
|
|
|
663 static void
|
|
|
664 x_update_frame_menubar_internal (struct frame *f)
|
|
|
665 {
|
|
|
666 /* We assume the menubar contents has changed if the global flag is set,
|
|
|
667 or if the current buffer has changed, or if the menubar has never
|
|
|
668 been updated before.
|
|
|
669 */
|
|
|
670 int menubar_contents_changed =
|
|
|
671 (f->menubar_changed
|
|
|
672 || NILP (FRAME_MENUBAR_DATA (f))
|
|
|
673 || (!EQ (XFRAME_MENUBAR_DATA (f)->last_menubar_buffer,
|
|
|
674 XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f))->buffer)));
|
|
|
675
|
|
102
|
676 Boolean menubar_was_visible = XtIsManaged (FRAME_X_MENUBAR_WIDGET (f));
|
|
|
677 Boolean menubar_will_be_visible = menubar_was_visible;
|
|
|
678 Boolean menubar_visibility_changed;
|
|
0
|
679 Cardinal new_num_top_widgets = 1; /* for the menubar */
|
|
|
680 Widget container = FRAME_X_CONTAINER_WIDGET (f);
|
|
|
681
|
|
|
682 #ifdef ENERGIZE
|
|
|
683 int *old_sheets = FRAME_X_CURRENT_PSHEETS (f);
|
|
|
684 int *new_sheets = FRAME_X_DESIRED_PSHEETS (f);
|
|
|
685 int old_count = FRAME_X_CURRENT_PSHEET_COUNT (f);
|
|
|
686 int new_count = FRAME_X_DESIRED_PSHEET_COUNT (f);
|
|
|
687 Lisp_Object old_buf = FRAME_X_CURRENT_PSHEET_BUFFER (f);
|
|
|
688 Lisp_Object new_buf = FRAME_X_DESIRED_PSHEET_BUFFER (f);
|
|
|
689 int psheets_changed = (old_sheets != new_sheets
|
|
|
690 || old_count != new_count
|
|
|
691 || !EQ (old_buf, new_buf));
|
|
|
692 int debuggerpanel_changed = (desired_debuggerpanel_exposed_p
|
|
|
693 != current_debuggerpanel_exposed_p);
|
|
|
694
|
|
|
695 if (desired_debuggerpanel_exposed_p && FRAME_X_TOP_WIDGETS (f) [1] == 0)
|
|
|
696 /* This happens when the frame was just created. */
|
|
|
697 debuggerpanel_changed = 1;
|
|
|
698
|
|
|
699 FRAME_X_CURRENT_PSHEETS (f) = FRAME_X_DESIRED_PSHEETS (f);
|
|
|
700 FRAME_X_CURRENT_PSHEET_COUNT (f) = FRAME_X_DESIRED_PSHEET_COUNT (f);
|
|
|
701 FRAME_X_CURRENT_PSHEET_BUFFER (f) = FRAME_X_DESIRED_PSHEET_BUFFER (f);
|
|
|
702 #endif /* ENERGIZE */
|
|
|
703
|
|
|
704 if (menubar_contents_changed)
|
|
|
705 menubar_will_be_visible = set_frame_menubar (f, 0, 0);
|
|
|
706
|
|
|
707 menubar_visibility_changed = menubar_was_visible != menubar_will_be_visible;
|
|
|
708
|
|
|
709 if (! (menubar_visibility_changed
|
|
|
710 #ifdef ENERGIZE
|
|
|
711 || psheets_changed || debuggerpanel_changed
|
|
|
712 #endif
|
|
|
713 ))
|
|
|
714 return;
|
|
|
715
|
|
|
716
|
|
|
717 /* Set menubar visibility */
|
|
|
718 if (menubar_visibility_changed)
|
|
|
719 (menubar_will_be_visible ? XtManageChild : XtUnmanageChild)
|
|
|
720 (FRAME_X_MENUBAR_WIDGET (f));
|
|
|
721
|
|
|
722
|
|
|
723 #ifdef ENERGIZE
|
|
|
724 /* Set debugger panel visibility */
|
|
|
725 if (debuggerpanel_changed)
|
|
|
726 {
|
|
|
727 Widget w;
|
|
|
728 int sheet = debuggerpanel_sheet;
|
|
|
729
|
|
|
730 w = lw_get_widget (sheet, container, 0);
|
|
|
731 if (desired_debuggerpanel_exposed_p)
|
|
|
732 {
|
|
|
733 if (! w)
|
|
|
734 w = lw_make_widget (sheet, container, 0);
|
|
|
735 FRAME_X_TOP_WIDGETS (f)[1] = w;
|
|
|
736 XtManageChild (w);
|
|
|
737 }
|
|
|
738 else
|
|
|
739 {
|
|
|
740 notify_energize_sheet_hidden (sheet);
|
|
|
741 if (w)
|
|
|
742 XtUnmanageChild (w);
|
|
|
743 }
|
|
|
744 }
|
|
|
745
|
|
|
746 /* Set psheet visibility. For the moment we just unmanage all the old
|
|
|
747 ones, and then manage all the new ones. If the number of psheets
|
|
|
748 ever becomes a large number (i.e. > 1), then we can worry about a
|
|
|
749 more sophisticated way of doing this. */
|
|
|
750 if (psheets_changed)
|
|
|
751 {
|
|
|
752 int i;
|
|
|
753 Widget w;
|
|
|
754 unsigned long sheet;
|
|
|
755
|
|
|
756 for (i=0; i<old_count; i++)
|
|
|
757 {
|
|
|
758 sheet = old_sheets[i];
|
|
|
759 w = lw_get_widget (sheet, container, 0);
|
|
|
760 notify_energize_sheet_hidden (sheet);
|
|
|
761 if (w)
|
|
|
762 XtUnmanageChild (w);
|
|
|
763 }
|
|
|
764
|
|
|
765 for (i=0; i<new_count; i++)
|
|
|
766 {
|
|
|
767 sheet = new_sheets[i];
|
|
|
768 /* #### This unconditional call to lw_make_widget() is a bad
|
|
|
769 idea. Doesn't it cause a memory leak if the widget
|
|
|
770 already exists?
|
|
|
771
|
|
|
772 #### How does Energize know that a sheet just got displayed?
|
|
|
773 #### Energize knows all. */
|
|
|
774 w = lw_make_widget (sheet, container, 0);
|
|
|
775 FRAME_X_TOP_WIDGETS (f)[2+i] = w;
|
|
|
776 XtManageChild (w);
|
|
|
777 }
|
|
|
778 }
|
|
|
779
|
|
|
780 new_num_top_widgets += 1+new_count;
|
|
|
781 #endif /* ENERGIZE */
|
|
|
782
|
|
|
783 /* Note that new_num_top_widgets doesn't need to reflect the actual
|
|
|
784 number of top widgets, but just the limit of FRAME_X_TOP_WIDGETS (f)[]. */
|
|
|
785 FRAME_X_NUM_TOP_WIDGETS (f) = new_num_top_widgets;
|
|
|
786 {
|
|
|
787 /* We want to end up as close in size as possible to what we
|
|
|
788 were before. So, ask the EmacsManager what size it wants
|
|
|
789 to be (suggesting the current size), and resize it to that
|
|
|
790 size. It in turn will call our query-geometry callback,
|
|
|
791 which will round the size to something that exactly fits
|
|
|
792 the text widget. */
|
|
|
793 XtWidgetGeometry req, repl;
|
|
|
794
|
|
|
795 req.request_mode = CWWidth | CWHeight;
|
|
|
796 XtVaGetValues (container,
|
|
|
797 XtNwidth, &req.width,
|
|
|
798 XtNheight, &req.height,
|
|
|
799 0);
|
|
|
800 XtQueryGeometry (container, &req, &repl);
|
|
|
801 EmacsManagerChangeSize (container, repl.width,
|
|
|
802 repl.height);
|
|
|
803 /* The window size might not have changed but the text size
|
|
|
804 did; thus, the base size might be incorrect. So update
|
|
|
805 it. */
|
|
|
806 EmacsShellUpdateSizeHints (FRAME_X_SHELL_WIDGET (f));
|
|
|
807 }
|
|
|
808
|
|
|
809 #ifdef ENERGIZE
|
|
|
810 /* Give back the focus to emacs if no psheets are displayed anymore */
|
|
|
811 if (psheets_changed)
|
|
|
812 {
|
|
|
813 Lisp_Object frame;
|
|
|
814 XSETFRAME (frame, f);
|
|
|
815 Fselect_frame (frame);
|
|
|
816 }
|
|
|
817 #endif /* ENERGIZE */
|
|
|
818 }
|
|
|
819
|
|
|
820 static void
|
|
|
821 x_update_frame_menubars (struct frame *f)
|
|
|
822 {
|
|
|
823 assert (FRAME_X_P (f));
|
|
|
824
|
|
|
825 x_update_frame_menubar_internal (f);
|
|
|
826
|
|
|
827 /* #### This isn't going to work right now that this function works on
|
|
|
828 a per-frame, not per-device basis. Guess what? I don't care. */
|
|
|
829 #ifdef ENERGIZE
|
|
|
830 current_debuggerpanel_exposed_p = desired_debuggerpanel_exposed_p;
|
|
|
831 #endif
|
|
|
832 }
|
|
|
833
|
|
|
834 static void
|
|
|
835 x_free_frame_menubars (struct frame *f)
|
|
|
836 {
|
|
|
837 Widget menubar_widget;
|
|
|
838
|
|
|
839 assert (FRAME_X_P (f));
|
|
|
840
|
|
|
841 menubar_widget = FRAME_X_MENUBAR_WIDGET (f);
|
|
|
842 if (menubar_widget)
|
|
|
843 {
|
|
|
844 LWLIB_ID id = XFRAME_MENUBAR_DATA (f)->id;
|
|
|
845 lw_destroy_all_widgets (id);
|
|
|
846 XFRAME_MENUBAR_DATA (f)->id = 0;
|
|
|
847 }
|
|
|
848
|
|
|
849 #ifdef ENERGIZE
|
|
|
850 {
|
|
|
851 /* Also destroy this frame's psheets */
|
|
|
852 Widget parent = FRAME_X_CONTAINER_WIDGET (f);
|
|
|
853 int *sheets = FRAME_X_CURRENT_PSHEETS (f);
|
|
|
854 int i = FRAME_X_CURRENT_PSHEET_COUNT (f);
|
|
|
855 while (i--)
|
|
|
856 {
|
|
|
857 unsigned long sheet = sheets [i];
|
|
|
858 Widget w = lw_get_widget (sheet, parent, 0);
|
|
|
859 if (w)
|
|
|
860 lw_destroy_widget (w);
|
|
|
861 }
|
|
|
862 FRAME_X_CURRENT_PSHEET_COUNT (f) = 0;
|
|
|
863
|
|
|
864 /* Is this necessary? */
|
|
|
865 sheets = FRAME_X_DESIRED_PSHEETS (f);
|
|
|
866 i = FRAME_X_DESIRED_PSHEET_COUNT (f);
|
|
|
867 while (i--)
|
|
|
868 {
|
|
|
869 unsigned long sheet = sheets [i];
|
|
|
870 Widget w = lw_get_widget (sheet, parent, 0);
|
|
|
871 if (w)
|
|
|
872 lw_destroy_widget (w);
|
|
|
873 }
|
|
|
874 FRAME_X_DESIRED_PSHEET_COUNT (f) = 0;
|
|
|
875
|
|
|
876 /* sigh... debugger panel is special... */
|
|
|
877 if (debuggerpanel_sheet)
|
|
|
878 {
|
|
|
879 Widget w = lw_get_widget (debuggerpanel_sheet, parent, 0);
|
|
|
880 if (w)
|
|
|
881 lw_destroy_widget (w);
|
|
|
882 }
|
|
|
883 }
|
|
|
884 #endif /* ENERGIZE */
|
|
|
885 }
|
|
|
886
|
|
|
887 static void
|
|
|
888 x_popup_menu (Lisp_Object menu_desc, Lisp_Object event)
|
|
|
889 {
|
|
|
890 int menu_id;
|
|
|
891 struct frame *f = selected_frame ();
|
|
|
892 widget_value *data;
|
|
|
893 Widget parent;
|
|
|
894 Widget menu;
|
|
|
895 struct Lisp_Event *eev = NULL;
|
|
|
896 XEvent xev;
|
|
|
897 Lisp_Object frame = Qnil;
|
|
|
898
|
|
|
899 XSETFRAME (frame, f);
|
|
|
900 CHECK_X_FRAME (frame);
|
|
|
901 parent = FRAME_X_SHELL_WIDGET (f);
|
|
|
902
|
|
|
903 if (!NILP (event))
|
|
|
904 {
|
|
|
905 CHECK_LIVE_EVENT (event);
|
|
|
906 eev= XEVENT (event);
|
|
|
907 if (eev->event_type != button_press_event
|
|
|
908 && eev->event_type != button_release_event)
|
|
|
909 wrong_type_argument (Qmouse_event_p, event);
|
|
|
910 }
|
|
|
911 else if (!NILP (Vthis_command_keys))
|
|
|
912 {
|
|
|
913 /* if an event wasn't passed, use the last event of the event sequence
|
|
|
914 currently being executed, if that event is a mouse event */
|
|
|
915 eev = XEVENT (Vthis_command_keys); /* last event first */
|
|
|
916 if (eev->event_type != button_press_event
|
|
|
917 && eev->event_type != button_release_event)
|
|
|
918 eev = NULL;
|
|
|
919 }
|
|
|
920 make_dummy_xbutton_event (&xev, parent, eev);
|
|
|
921
|
|
|
922 if (SYMBOLP (menu_desc))
|
|
|
923 menu_desc = Fsymbol_value (menu_desc);
|
|
|
924 CHECK_CONS (menu_desc);
|
|
|
925 CHECK_STRING (XCAR (menu_desc));
|
|
|
926 data = menu_item_descriptor_to_widget_value (menu_desc, POPUP_TYPE, 1, 1);
|
|
|
927
|
|
|
928 if (! data) error ("no menu");
|
|
|
929
|
|
|
930 menu_id = new_lwlib_id ();
|
|
|
931 menu = lw_create_widget ("popup", "popup" /* data->name */, menu_id, data,
|
|
|
932 parent, 1, 0,
|
|
|
933 popup_menu_selection_callback,
|
|
|
934 popup_menu_down_callback);
|
|
|
935 free_popup_widget_value_tree (data);
|
|
|
936
|
|
|
937 gcpro_popup_callbacks (menu_id);
|
|
|
938
|
|
|
939 /* Setting zmacs-region-stays is necessary here because executing a command
|
|
|
940 from a menu is really a two-command process: the first command (bound to
|
|
|
941 the button-click) simply pops up the menu, and returns. This causes a
|
|
|
942 sequence of magic-events (destined for the popup-menu widget) to begin.
|
|
|
943 Eventually, a menu item is selected, and a menu-event blip is pushed onto
|
|
|
944 the end of the input stream, which is then executed by the event loop.
|
|
|
945
|
|
|
946 So there are two command-events, with a bunch of magic-events between
|
|
|
947 them. We don't want the *first* command event to alter the state of the
|
|
|
948 region, so that the region can be available as an argument for the second
|
|
|
949 command.
|
|
|
950 */
|
|
|
951 if (zmacs_regions)
|
|
|
952 zmacs_region_stays = 1;
|
|
|
953
|
|
|
954 popup_up_p++;
|
|
|
955 lw_popup_menu (menu, &xev);
|
|
|
956 /* this speeds up display of pop-up menus */
|
|
|
957 XFlush (XtDisplay (parent));
|
|
|
958 }
|
|
|
959
|
|
|
960
|
|
|
961 void
|
|
|
962 syms_of_menubar_x (void)
|
|
|
963 {
|
|
|
964 }
|
|
|
965
|
|
|
966 void
|
|
|
967 console_type_create_menubar_x (void)
|
|
|
968 {
|
|
|
969 CONSOLE_HAS_METHOD (x, update_frame_menubars);
|
|
|
970 CONSOLE_HAS_METHOD (x, free_frame_menubars);
|
|
|
971 CONSOLE_HAS_METHOD (x, popup_menu);
|
|
|
972 }
|
|
|
973
|
|
|
974 void
|
|
|
975 vars_of_menubar_x (void)
|
|
|
976 {
|
|
|
977 last_popup_menu_selection_callback_id = -1;
|
|
|
978
|
|
|
979 #if defined (LWLIB_MENUBARS_LUCID)
|
|
|
980 Fprovide (intern ("lucid-menubars"));
|
|
|
981 #elif defined (LWLIB_MENUBARS_MOTIF)
|
|
|
982 Fprovide (intern ("motif-menubars"));
|
|
|
983 #elif defined (LWLIB_MENUBARS_ATHENA)
|
|
|
984 Fprovide (intern ("athena-menubars"));
|
|
|
985 #endif
|
|
|
986 }
|
