872
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1 /* Define device-object for XEmacs.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995, 2002 Ben Wing
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4 Copyright (C) 1995 Sun Microsystems
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* Written by Chuck Thompson and Ben Wing. */
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26
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27 #ifndef INCLUDED_device_impl_h_
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28 #define INCLUDED_device_impl_h_
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29
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30 #include "console-impl.h"
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31 #include "device.h"
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32
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33 /* This should really be in redisplay.h but by putting it here we
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34 won't have to ensure that redisplay.h is always included before
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35 this file. */
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36 struct pixel_to_glyph_translation_cache
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37 {
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38 unsigned int valid :1;
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39 struct frame *frame;
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40 int low_x_coord, high_x_coord, col, obj_x;
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41 int low_y_coord, high_y_coord, row, obj_y;
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42 struct window *w;
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43 Charbpos charpos;
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44 Charbpos closest;
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45 Charcount modeline_closest;
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46 Lisp_Object obj1, obj2;
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47 int retval;
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48 };
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49
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50 /* Less public: */
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51 #define DEVICE_TYPE_NAME(d) ((d)->devmeths->name)
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52 #define DEVICE_IMPL_FLAG(d, f) CONMETH_IMPL_FLAG ((d)->devmeths, (f))
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53 #define DEVICE_SPECIFIC_FRAME_PROPS(d) \
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54 ((d)->devmeths->device_specific_frame_props)
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55
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56 /* More public: */
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57 #define DEVICE_TYPE(d) ((d)->devmeths->symbol)
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58 #define XDEVICE_TYPE(d) DEVICE_TYPE (XDEVICE (d))
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59
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60 /******** Accessing / calling a device method *********/
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61
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62 #define HAS_DEVMETH_P(d, m) HAS_CONTYPE_METH_P ((d)->devmeths, m)
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63 #define DEVMETH(d, m, args) CONTYPE_METH ((d)->devmeths, m, args)
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64 #define MAYBE_DEVMETH(d, m, args) MAYBE_CONTYPE_METH ((d)->devmeths, m, args)
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65 #define DEVMETH_OR_GIVEN(d, m, args, given) \
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66 CONTYPE_METH_OR_GIVEN((d)->devmeths, m, args, given)
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67 #define MAYBE_INT_DEVMETH(d, m, args) \
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68 MAYBE_INT_CONTYPE_METH ((d)->devmeths, m, args)
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69 #define MAYBE_LISP_DEVMETH(d, m, args) \
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70 MAYBE_LISP_CONTYPE_METH ((d)->devmeths, m, args)
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71
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72 struct device
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73 {
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74 struct lcrecord_header header;
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75
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76 /* Methods for this device's console. This can also be retrieved
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77 through device->console, but it's faster this way. */
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78 struct console_methods *devmeths;
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79
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80 /* A structure of auxiliary data specific to the device type.
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81 struct x_device is used for X window frames; defined in console-x.h
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82 struct tty_device is used to TTY's; defined in console-tty.h */
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83 void *device_data;
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84
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85 /* redisplay flags */
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86 unsigned int buffers_changed :1;
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87 unsigned int clip_changed :1;
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88 unsigned int extents_changed :1;
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89 unsigned int faces_changed :1;
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90 unsigned int frame_changed :1;
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91 unsigned int glyphs_changed :1;
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92 unsigned int subwindows_changed :1;
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93 unsigned int subwindows_state_changed :1;
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94 unsigned int icon_changed :1;
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95 unsigned int menubar_changed :1;
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96 unsigned int modeline_changed :1;
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97 unsigned int point_changed :1;
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98 unsigned int size_changed :1;
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99 unsigned int gutter_changed :1;
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100 unsigned int toolbar_changed :1;
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101 unsigned int windows_changed :1;
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102 unsigned int windows_structure_changed :1;
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103
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104 unsigned int locked :1;
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105
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106 /* Cache information about last pixel position translated to a
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107 glyph. The law of locality applies very heavily here so caching
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108 the value leads to a significant win. At the moment this is
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109 really X specific but once we have generic mouse support it won't
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110 be. */
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111 struct pixel_to_glyph_translation_cache pixel_to_glyph_cache;
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112
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113 /* Output baud rate of device; used for redisplay decisions. */
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114 int baud_rate;
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115
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116 /* sound flags */
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117 unsigned int on_console_p :1;
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118 unsigned int connected_to_nas_p :1;
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119
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120 #define MARKED_SLOT(x) Lisp_Object x
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121 #include "devslots.h"
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122
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123 /* File descriptors for input and output. Much of the time
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124 (but not always) these will be the same. For an X device,
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125 these both hold the file descriptor of the socket used
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126 to communicate with the X server. For a TTY device, these
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127 may or may not be the same and point to the terminal that
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128 is used for I/O. */
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129 int infd, outfd;
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130
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131 /* infd and outfd are moved outside HAVE_UNIXOID_EVENT_LOOP conditionals,
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132 because Win32, presumably the first port which does not use select()
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133 polling, DOES have handles for a console device. -- kkm */
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134
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135 #ifdef HAVE_UNIXOID_EVENT_LOOP
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136 /* holds some data necessary for SIGIO control. Perhaps this should
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137 be inside of device_data; but it is used for both TTY's and X
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138 device. Perhaps it should be conditionalized on SIGIO; but
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139 this requires including syssignal.h. */
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140 int old_fcntl_owner;
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141 #endif
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142 };
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143
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144 /* Redefine basic properties more efficiently */
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145
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146 #undef DEVICE_LIVE_P
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147 #define DEVICE_LIVE_P(d) (!EQ (DEVICE_TYPE (d), Qdead))
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148 #undef DEVICE_CONSOLE
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149 #define DEVICE_CONSOLE(d) ((d)->console)
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150 #undef DEVICE_FRAME_LIST
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151 #define DEVICE_FRAME_LIST(d) ((d)->frame_list)
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152
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153 #define DEVICE_TYPE_P(d, type) EQ (DEVICE_TYPE (d), Q##type)
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154
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155 #ifdef ERROR_CHECK_TYPES
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156 DECLARE_INLINE_HEADER (
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157 struct device *
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158 error_check_device_type (struct device *d, Lisp_Object sym)
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159 )
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160 {
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161 assert (EQ (DEVICE_TYPE (d), sym));
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162 return d;
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163 }
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164 # define DEVICE_TYPE_DATA(d, type) \
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165 ((struct type##_device *) error_check_device_type (d, Q##type)->device_data)
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166 #else
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167 # define DEVICE_TYPE_DATA(d, type) \
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168 ((struct type##_device *) (d)->device_data)
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169 #endif
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170
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171 #define CHECK_DEVICE_TYPE(x, type) \
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172 do { \
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173 CHECK_DEVICE (x); \
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174 if (!(DEVICEP (x) && DEVICE_TYPE_P (XDEVICE (x), \
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175 type))) \
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176 dead_wrong_type_argument \
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177 (type##_console_methods->predicate_symbol, x); \
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178 } while (0)
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179 #define CONCHECK_DEVICE_TYPE(x, type) \
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180 do { \
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181 CONCHECK_DEVICE (x); \
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182 if (!(DEVICEP (x) && DEVICE_TYPE_P (XDEVICE (x), \
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183 type))) \
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184 x = wrong_type_argument \
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185 (type##_console_methods->predicate_symbol, x); \
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186 } while (0)
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187
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188 #define DEVICE_DISPLAY_P(dev) \
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189 (DEVICE_LIVE_P (dev) && \
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190 !DEVICE_IMPL_FLAG (dev, XDEVIMPF_IS_A_PRINTER))
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191
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192 #define CHECK_DISPLAY_DEVICE(dev) \
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193 do { \
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194 CHECK_DEVICE (dev); \
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195 if (!(DEVICEP (dev) \
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196 && DEVICE_DISPLAY_P (XDEVICE (dev)))) \
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197 dead_wrong_type_argument (Qdisplay, dev); \
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198 } while (0)
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199
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200 #define CONCHECK_DISPLAY_DEVICE(dev) \
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201 do { \
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202 CONCHECK_DEVICE (dev); \
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203 if (!(DEVICEP (dev) \
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204 && DEVICE_DISPLAY_P (XDEVICE (dev)))) \
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205 wrong_type_argument (Qdisplay, dev); \
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206 } while (0)
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207
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208 #define DEVICE_PRINTER_P(dev) \
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209 (DEVICE_LIVE_P (dev) && !DEVICE_DISPLAY_P (dev))
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210
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211 #define CHECK_PRINTER_DEVICE(dev) \
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212 do { \
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213 CHECK_DEVICE (dev); \
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214 if (!(DEVICEP (dev) \
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215 && DEVICE_PRINTER_P (XDEVICE (dev)))) \
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216 dead_wrong_type_argument (Qprinter, dev); \
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217 } while (0)
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218
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219 #define CONCHECK_PRINTER_DEVICE(dev) \
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220 do { \
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221 CONCHECK_DEVICE (dev); \
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222 if (!(DEVICEP (dev) \
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223 && DEVICE_PRINTER_P (XDEVICE (dev)))) \
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224 wrong_type_argument (Qprinter, dev); \
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225 } while (0)
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226
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227 /* #### These should be in the device-*.h files but there are
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228 too many places where the abstraction is broken. Need to
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229 fix. */
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230
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231 #define DEVICE_X_P(dev) CONSOLE_TYPESYM_X_P (DEVICE_TYPE (dev))
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232 #define CHECK_X_DEVICE(z) CHECK_DEVICE_TYPE (z, x)
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233 #define CONCHECK_X_DEVICE(z) CONCHECK_DEVICE_TYPE (z, x)
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234
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235 #define DEVICE_GTK_P(dev) CONSOLE_TYPESYM_GTK_P (DEVICE_TYPE (dev))
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236 #define CHECK_GTK_DEVICE(z) CHECK_DEVICE_TYPE (z, gtk)
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237 #define CONCHECK_GTK_DEVICE(z) CONCHECK_DEVICE_TYPE (z, gtk)
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238
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239 #define DEVICE_MSWINDOWS_P(dev) CONSOLE_TYPESYM_MSWINDOWS_P (DEVICE_TYPE (dev))
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240 #define CHECK_MSWINDOWS_DEVICE(z) CHECK_DEVICE_TYPE (z, mswindows)
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241 #define CONCHECK_MSWINDOWS_DEVICE(z) CONCHECK_DEVICE_TYPE (z, mswindows)
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242
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243 #define DEVICE_TTY_P(dev) CONSOLE_TYPESYM_TTY_P (DEVICE_TYPE (dev))
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244 #define CHECK_TTY_DEVICE(z) CHECK_DEVICE_TYPE (z, tty)
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245 #define CONCHECK_TTY_DEVICE(z) CONCHECK_DEVICE_TYPE (z, tty)
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246
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247 #define DEVICE_STREAM_P(dev) CONSOLE_TYPESYM_STREAM_P (DEVICE_TYPE (dev))
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248 #define CHECK_STREAM_DEVICE(z) CHECK_DEVICE_TYPE (z, stream)
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249 #define CONCHECK_STREAM_DEVICE(z) CONCHECK_DEVICE_TYPE (z, stream)
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250
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251 #define DEVICE_WIN_P(dev) CONSOLE_TYPESYM_WIN_P (DEVICE_TYPE (dev))
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252
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253 #define DEVICE_REDISPLAY_INFO(d) ((d)->redisplay_info)
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254
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255 #define DEVICE_NAME(d) ((d)->name)
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256 #define DEVICE_CLASS(d) ((d)->device_class)
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257 /* Catch people attempting to set this. */
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258 #define DEVICE_SELECTED_FRAME(d) NON_LVALUE ((d)->selected_frame)
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259 #define DEVICE_FRAME_WITH_FOCUS_REAL(d) ((d)->frame_with_focus_real)
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260 #define DEVICE_FRAME_WITH_FOCUS_FOR_HOOKS(d) ((d)->frame_with_focus_for_hooks)
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261 #define DEVICE_FRAME_THAT_OUGHT_TO_HAVE_FOCUS(d) \
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262 ((d)->frame_that_ought_to_have_focus)
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263 #define DEVICE_USER_DEFINED_TAGS(d) ((d)->user_defined_tags)
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264 #define DEVICE_CONNECTION(d) ((d)->connection)
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265 #define DEVICE_CANON_CONNECTION(d) ((d)->canon_connection)
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266 #define DEVICE_BAUD_RATE(d) ((d)->baud_rate)
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267 #define DEVICE_INFD(d) ((d)->infd)
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268 #define DEVICE_OUTFD(d) ((d)->outfd)
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269 #define DEVICE_OLD_FCNTL_OWNER(d) ((d)->old_fcntl_owner)
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270 #define DEVICE_ON_CONSOLE_P(d) ((d)->on_console_p)
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271 #define DEVICE_CONNECTED_TO_NAS_P(d) ((d)->connected_to_nas_p)
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272
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273 #define LOCK_DEVICE(d) ((void) ((d)->locked = 1))
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274 #define UNLOCK_DEVICE(d) ((void) ((d)->locked = 0))
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275
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276 #define INVALIDATE_DEVICE_PIXEL_TO_GLYPH_CACHE(d) \
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277 ((void) ((d)->pixel_to_glyph_cache.valid = 0))
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278
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279 #define INVALIDATE_PIXEL_TO_GLYPH_CACHE do { \
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280 Lisp_Object IPTGC_devcons, IPTGC_concons; \
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281 DEVICE_LOOP_NO_BREAK (IPTGC_devcons, IPTGC_concons) \
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282 INVALIDATE_DEVICE_PIXEL_TO_GLYPH_CACHE (XDEVICE (XCAR (IPTGC_devcons))); \
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283 } while (0)
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284
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285 #define MARK_DEVICE_FACES_CHANGED(d) \
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286 ((void) (faces_changed = (d)->faces_changed = 1))
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287
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288 #define MARK_DEVICE_GLYPHS_CHANGED(d) \
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289 ((void) (glyphs_changed = (d)->glyphs_changed = 1))
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290
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291 #define MARK_DEVICE_SUBWINDOWS_CHANGED(d) \
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292 ((void) (subwindows_changed = (d)->subwindows_changed = 1))
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293
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294 #define MARK_DEVICE_SUBWINDOWS_STATE_CHANGED(d) \
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295 ((void) (subwindows_state_changed = (d)->subwindows_state_changed = 1))
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296
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297 #define MARK_DEVICE_TOOLBARS_CHANGED(d) \
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298 ((void) (toolbar_changed = (d)->toolbar_changed = 1))
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299
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300 #define MARK_DEVICE_GUTTERS_CHANGED(d) \
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301 ((void) (gutter_changed = (d)->gutter_changed = 1))
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302
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303 #define MARK_DEVICE_SIZE_CHANGED(d) \
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304 ((void) (size_changed = (d)->size_changed = 1))
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305
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306 #define MARK_DEVICE_FRAMES_FACES_CHANGED(d) do { \
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307 struct device *mdffc_d = (d); \
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308 Lisp_Object frmcons; \
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309 DEVICE_FRAME_LOOP (frmcons, mdffc_d) \
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310 XFRAME (XCAR (frmcons))->faces_changed = 1; \
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311 MARK_DEVICE_FACES_CHANGED (mdffc_d); \
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312 } while (0)
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313
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314 #define MARK_DEVICE_FRAMES_GLYPHS_CHANGED(d) do { \
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315 struct device *mdffc_d = (d); \
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316 Lisp_Object frmcons; \
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317 DEVICE_FRAME_LOOP (frmcons, mdffc_d) \
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318 XFRAME (XCAR (frmcons))->glyphs_changed = 1; \
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319 MARK_DEVICE_GLYPHS_CHANGED (mdffc_d); \
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320 } while (0)
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321
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322 #define MARK_DEVICE_FRAME_CHANGED(d) \
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323 ((void) (frame_changed = (d)->frame_changed = 1))
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324
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325 #define MARK_DEVICE_WINDOWS_CHANGED(d) \
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326 ((void) (windows_changed = (d)->windows_changed = 1))
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327
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328 #define MARK_DEVICE_WINDOWS_STRUCTURE_CHANGED(d) \
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329 ((void) (windows_structure_changed = (d)->windows_structure_changed = 1))
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330
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331 #endif /* INCLUDED_device_impl_h_ */
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