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213
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1 /* Console functions for mswindows.
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404
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2 Copyright (C) 1996, 2000 Ben Wing.
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213
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 /* Authorship:
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24
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25 Ben Wing: January 1996, for 19.14.
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272
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26 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0
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213
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27 */
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28
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29 #include <config.h>
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30 #include "lisp.h"
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404
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31 #include "events.h"
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32 #include "opaque.h"
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213
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33
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34 #include "console-msw.h"
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35
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398
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36 DEFINE_CONSOLE_TYPE (mswindows);
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37 DEFINE_CONSOLE_TYPE (msprinter);
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249
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38
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398
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39 /************************************************************************/
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40 /* mswindows console methods */
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41 /************************************************************************/
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213
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42
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43 static int
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44 mswindows_initially_selected_for_input (struct console *con)
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45 {
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46 return 1;
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47 }
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48
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404
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49 static HWND msw_console_hwnd = 0;
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50
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51 #define KLUDGE_BUFSIZE 1024 /* buffer size for console window titles */
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52
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53 /* Direct from the horse's mouth: Microsoft KB article Q124103 */
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54 static HWND
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55 GetConsoleHwnd (void)
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56 {
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57 HWND hwndFound; /* this is what is returned to the caller */
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58 char pszNewWindowTitle[KLUDGE_BUFSIZE]; /* contains fabricated WindowTitle */
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59 char pszOldWindowTitle[KLUDGE_BUFSIZE]; /* contains original WindowTitle */
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60
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61 /* fetch current window title */
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62
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63 GetConsoleTitle(pszOldWindowTitle, KLUDGE_BUFSIZE);
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64
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65 /* format a "unique" NewWindowTitle */
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66
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67 wsprintf(pszNewWindowTitle,"%d/%d",
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68 GetTickCount(),
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69 GetCurrentProcessId());
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70
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71 /* change current window title */
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72
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73 SetConsoleTitle(pszNewWindowTitle);
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74
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75 /* ensure window title has been updated */
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76
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77 Sleep(40);
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78
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79 /* look for NewWindowTitle */
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80
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81 hwndFound=FindWindow(NULL, pszNewWindowTitle);
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82
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83 /* restore original window title */
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84
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85 SetConsoleTitle(pszOldWindowTitle);
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86
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87 return(hwndFound);
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88 }
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89
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90 HWND
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91 msw_get_console_hwnd (void)
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92 {
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93 if (!msw_console_hwnd)
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94 msw_console_hwnd = GetConsoleHwnd ();
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95 return msw_console_hwnd;
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96 }
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97
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98 int
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99 msw_ensure_console_allocated (void)
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100 {
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101 HWND fgwin = GetForegroundWindow ();
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102 /* stupid mswin api won't let you create the console window
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103 hidden! creating it changes the focus! fuck me! */
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104 if (AllocConsole ())
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105 {
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106 SetForegroundWindow (fgwin);
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107 return 1;
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108 }
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109 return 0;
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110 }
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111
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398
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112 static Lisp_Object
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113 mswindows_canonicalize_console_connection (Lisp_Object connection,
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114 Error_behavior errb)
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115 {
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116 /* Do not allow more than one mswindows device, by explicitly
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117 requiring that CONNECTION is nil, the only allowed connection in
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118 Windows. */
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119 if (!NILP (connection))
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120 {
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121 if (ERRB_EQ (errb, ERROR_ME))
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122 signal_simple_error
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123 ("Invalid (non-nil) connection for mswindows device/console",
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124 connection);
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125 else
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126 return Qunbound;
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127 }
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213
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128
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398
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129 return Qnil;
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130 }
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131
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132 static Lisp_Object
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133 mswindows_canonicalize_device_connection (Lisp_Object connection,
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134 Error_behavior errb)
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135 {
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136 return mswindows_canonicalize_console_connection (connection, errb);
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137 }
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213
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138
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139 void
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140 msw_hide_console (void)
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213
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141 {
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142 ShowWindow (msw_get_console_hwnd (), SW_HIDE);
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213
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143 }
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144
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145 void
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146 msw_show_console (void)
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213
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147 {
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148 HWND hwnd = msw_get_console_hwnd ();
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149 ShowWindow (hwnd, SW_SHOWNA);
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213
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150
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404
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151 /* I tried to raise the window to the top without activating
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152 it, but this fails. Apparently Windows just doesn't like
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153 having the active window not be on top. So instead, we
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154 at least put it just below our own window, where part of it
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155 will likely be seen. */
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156 SetWindowPos (hwnd, GetForegroundWindow (), 0, 0, 0, 0,
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157 SWP_NOSIZE | SWP_NOMOVE | SWP_NOSENDCHANGING |
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158 SWP_NOACTIVATE);
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398
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159 }
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160
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161 static int msw_console_buffered = 0;
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162 HANDLE msw_console_buffer;
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163
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164 static void
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165 msw_ensure_console_buffered (void)
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398
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166 {
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167 if (!msw_console_buffered)
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168 {
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169 COORD new_size;
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170
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171 new_size.X = 80;
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172 new_size.Y = 1000;
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173 msw_ensure_console_allocated ();
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174 msw_console_buffer =
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175 CreateConsoleScreenBuffer (GENERIC_WRITE, 0, NULL,
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176 CONSOLE_TEXTMODE_BUFFER, NULL);
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177 SetConsoleScreenBufferSize (msw_console_buffer, new_size);
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178 SetConsoleActiveScreenBuffer (msw_console_buffer);
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179 msw_console_buffered = 1;
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180 }
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213
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181 }
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182
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183 int
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184 msw_output_console_string (CONST Extbyte *str, Extcount len)
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213
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185 {
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186 DWORD num_written;
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187
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188 msw_ensure_console_buffered ();
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189 msw_show_console ();
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190 return WriteConsole (msw_console_buffer, str, len, &num_written, NULL);
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191 }
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192
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193 /* Determine if running on Windows 9x and not NT */
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194 int
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195 msw_windows9x_p (void)
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196 {
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197 return GetVersion () & 0x80000000;
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213
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198 }
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249
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199
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200
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201 #ifdef DEBUG_XEMACS
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202
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249
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203 /*
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204 * Random helper functions for debugging.
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205 * Intended for use in the MSVC "Watch" window which doesn't like
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206 * the aborts that the error_check_foo() functions can make.
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207 */
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382
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208 struct lrecord_header *
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209 DHEADER (Lisp_Object obj)
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249
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210 {
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382
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211 return LRECORDP (obj) ? XRECORD_LHEADER (obj) : NULL;
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249
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212 }
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213
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382
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214 void *
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215 DOPAQUE_DATA (Lisp_Object obj)
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249
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216 {
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382
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217 return OPAQUEP (obj) ? OPAQUE_DATA (XOPAQUE (obj)) : NULL;
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249
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218 }
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219
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398
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220 Lisp_Event *
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382
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221 DEVENT (Lisp_Object obj)
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249
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222 {
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382
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223 return EVENTP (obj) ? XEVENT (obj) : NULL;
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249
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224 }
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225
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398
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226 Lisp_Cons *
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382
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227 DCONS (Lisp_Object obj)
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249
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228 {
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382
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229 return CONSP (obj) ? XCONS (obj) : NULL;
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249
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230 }
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231
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398
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232 Lisp_Cons *
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382
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233 DCONSCDR (Lisp_Object obj)
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249
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234 {
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382
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235 return (CONSP (obj) && CONSP (XCDR (obj))) ? XCONS (XCDR (obj)) : 0;
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249
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236 }
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237
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382
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238 Bufbyte *
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239 DSTRING (Lisp_Object obj)
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249
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240 {
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382
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241 return STRINGP (obj) ? XSTRING_DATA (obj) : NULL;
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249
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242 }
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243
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398
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244 Lisp_Vector *
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382
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245 DVECTOR (Lisp_Object obj)
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249
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246 {
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382
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247 return VECTORP (obj) ? XVECTOR (obj) : NULL;
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249
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248 }
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249
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398
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250 Lisp_Symbol *
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382
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251 DSYMBOL (Lisp_Object obj)
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249
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252 {
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382
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253 return SYMBOLP (obj) ? XSYMBOL (obj) : NULL;
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249
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254 }
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255
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382
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256 Bufbyte *
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257 DSYMNAME (Lisp_Object obj)
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249
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258 {
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382
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259 return SYMBOLP (obj) ? string_data (XSYMBOL (obj)->name) : NULL;
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249
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260 }
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261
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398
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262 #endif /* DEBUG_XEMACS */
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404
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263
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264
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265
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266 /************************************************************************/
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267 /* initialization */
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268 /************************************************************************/
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269
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270 void
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271 syms_of_console_mswindows (void)
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272 {
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273 }
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274
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275 void
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276 console_type_create_mswindows (void)
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277 {
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278 INITIALIZE_CONSOLE_TYPE (mswindows, "mswindows", "console-mswindows-p");
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279
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280 /* console methods */
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281 /* CONSOLE_HAS_METHOD (mswindows, init_console); */
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282 /* CONSOLE_HAS_METHOD (mswindows, mark_console); */
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283 CONSOLE_HAS_METHOD (mswindows, initially_selected_for_input);
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284 /* CONSOLE_HAS_METHOD (mswindows, delete_console); */
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285 CONSOLE_HAS_METHOD (mswindows, canonicalize_console_connection);
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286 CONSOLE_HAS_METHOD (mswindows, canonicalize_device_connection);
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287 /* CONSOLE_HAS_METHOD (mswindows, semi_canonicalize_console_connection); */
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288 /* CONSOLE_HAS_METHOD (mswindows, semi_canonicalize_device_connection); */
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289
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290 INITIALIZE_CONSOLE_TYPE (msprinter, "msprinter", "console-msprinter-p");
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291 }
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292
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293 void
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294 reinit_console_type_create_mswindows (void)
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295 {
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296 REINITIALIZE_CONSOLE_TYPE (mswindows);
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297 REINITIALIZE_CONSOLE_TYPE (msprinter);
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298 }
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299
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300 void
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301 vars_of_console_mswindows (void)
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302 {
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303 Fprovide (Qmswindows);
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304 }
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