0
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1 /* Redisplay data structures.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1996 Chuck Thompson.
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4 Copyright (C) 1995, 1996 Ben Wing.
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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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412
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25 #ifndef _XEMACS_REDISPLAY_H_
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26 #define _XEMACS_REDISPLAY_H_
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27
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28 /* Redisplay DASSERT types */
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2
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29 #define DB_DISP_POS 1
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30 #define DB_DISP_TEXT_LAYOUT 2
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31 #define DB_DISP_REDISPLAY 4
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32
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33 /* These are the possible return values from pixel_to_glyph_translation. */
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34 #define OVER_MODELINE 0
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35 #define OVER_TEXT 1
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36 #define OVER_OUTSIDE 2
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37 #define OVER_NOTHING 3
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38 #define OVER_BORDER 4
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39 #define OVER_TOOLBAR 5
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284
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40 #define OVER_V_DIVIDER 6
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41
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42 #define NO_BLOCK -1
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43
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44 /* Imagine that the text in the buffer is displayed on a piece of paper
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45 the width of the frame and very very tall. The line start cache is
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46 an array of struct line_start_cache's, describing the start and
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47 end buffer positions for a contiguous set of lines on that piece
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48 of paper. */
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49
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185
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50 typedef struct line_start_cache line_start_cache;
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51 struct line_start_cache
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52 {
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53 Bufpos start, end;
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54 int height;
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55 };
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56
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185
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57 typedef struct
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58 {
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59 Dynarr_declare (line_start_cache);
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60 } line_start_cache_dynarr;
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61
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62 /* The possible types of runes.
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63
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64 #### The Lisp_Glyph type is broken. There should instead be a pixmap
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65 type. Currently the device-specific output routines have to worry
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66 about whether the glyph is textual or not, etc. For Mule this is
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67 a big problem because you might need multiple fonts to display the
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68 text. It also eliminates optimizations that could come from glumping
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69 the text of multiple text glyphs together -- this makes displaying
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70 binary files (with lots of control chars, etc.) very very slow. */
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71
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72 #define RUNE_BLANK 0
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73 #define RUNE_CHAR 1
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74 #define RUNE_DGLYPH 2
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75 #define RUNE_HLINE 3
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76 #define RUNE_VLINE 4
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77
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78 #define CURSOR_ON 0
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79 #define CURSOR_OFF 1
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80 #define NO_CURSOR 2
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81 #define NEXT_CURSOR 3
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82 #define IGNORE_CURSOR 4
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83
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84 #define DEFAULT_INDEX (face_index) 0
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85 #define MODELINE_INDEX (face_index) 1
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86
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87 /* A rune is a single display element, such as a printable character
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88 or pixmap. Any single character in a buffer has one or more runes
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89 (or zero, if the character is invisible) corresponding to it.
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90 (Printable characters typically have one rune associated with them,
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91 but control characters have two -- a ^ and a letter -- and other
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92 non-printing characters (those displayed in octal) have four. */
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93
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94 typedef struct rune rune;
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95 struct rune
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96 {
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97 face_index findex; /* face rune is displayed with. The
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98 face_index is an index into a
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99 window-specific array of face cache
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100 elements. Each face cache element
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101 corresponds to one "merged face"
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102 (the result of merging all the
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103 faces that overlap the rune) and
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104 contains the instance values for
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105 each of the face properties in this
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106 particular window. */
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107
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412
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108 short xpos; /* horizontal starting position in pixels */
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109 short width; /* pixel width of rune */
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110
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111
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112 Bufpos bufpos; /* buffer position this rune is displaying;
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113 for the modeline, the value here is a
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114 Charcount, but who's looking? */
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115 Bufpos endpos; /* if set this rune covers a range of pos */
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116 /* #### Chuck, what does it mean for a rune
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117 to cover a range of pos? I don't get
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118 this. */
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119 unsigned int cursor_type :3; /* is this rune covered by the cursor? */
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120 unsigned int type :3; /* type of rune object */
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121
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122 union /* Information specific to the type of rune */
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123 {
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124 /* DGLYPH */
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125 struct
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126 {
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127 Lisp_Object glyph;
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128 Lisp_Object extent; /* extent rune is attached to, if any.
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129 If this is a rune in the modeline
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130 then this might be nil. */
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131
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132 int xoffset; /* Number of pixels that need to be
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133 chopped off the left of the glyph.
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134 This has the effect of shifting the
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135 glyph to the left while still clipping
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136 at XPOS. */
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137 } dglyph;
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138
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139 /* CHAR */
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140 struct
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141 {
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142 Emchar ch; /* Character of this rune. */
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143 } chr;
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144
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145 /* HLINE */
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146 struct
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147 {
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424
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148 short thickness; /* how thick to make hline */
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149 short yoffset; /* how far down from top of line to put top */
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150 } hline;
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151 } object; /* actual rune object */
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152 };
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153
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185
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154 typedef struct
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155 {
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185
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156 Dynarr_declare (rune);
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157 } rune_dynarr;
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158
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159 /* These must have distinct values. Note that the ordering actually
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160 represents priority levels. TEXT has the lowest priority level. */
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161 enum display_type
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162 {
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163 TEXT,
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164 LEFT_OUTSIDE_MARGIN,
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165 LEFT_INSIDE_MARGIN,
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166 RIGHT_INSIDE_MARGIN,
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167 RIGHT_OUTSIDE_MARGIN,
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168 OVERWRITE
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169 };
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170
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171 /* A display block represents a run of text on a single line.
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172 Apparently there is only one display block per line for each
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173 of the types listed in `enum display_type'.
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174
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175 A display block consists mostly of an array of runes, one per
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176 atomic display element (printable character, pixmap, etc.). */
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177
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178 /* #### Yuckity yuckity yuck yuck yuck yuck yuck!!
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179
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180 Chuck, I think you should redo this. It should not be the
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181 responsibility of the device-specific code to worry about
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182 the different faces. The generic stuff in redisplay-output.c
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183 should glump things up into sub-blocks, each of which
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184 corresponds to a single pixmap or a single run of text in
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185 the same font.
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186
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187 It might still make sense for the device-specific output routine
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188 to get passed an entire display line. That way, it can make
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189 calls to XDrawText() (which draws multiple runs of single-font
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190 data) instead of XDrawString(). The reason for this is to
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191 reduce the amount of X traffic, which will help things significantly
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192 on a slow line. */
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193
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185
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194 typedef struct display_block display_block;
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195 struct display_block
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196 {
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197 enum display_type type; /* type of display block */
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198
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199 int start_pos; /* starting pixel position of block */
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200 int end_pos; /* ending pixel position of block */
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201
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202 rune_dynarr *runes; /* Dynamic array of runes */
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203 };
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204
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205 typedef struct
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206 {
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207 Dynarr_declare (display_block);
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208 } display_block_dynarr;
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209
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210 typedef struct layout_bounds_type
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211 {
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212 int left_out;
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213 int left_in;
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214 int left_white;
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215 int right_white;
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216 int right_in;
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217 int right_out;
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218 } layout_bounds;
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219
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220 typedef struct glyph_block glyph_block;
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221 struct glyph_block
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222 {
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223 Lisp_Object glyph;
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224 Lisp_Object extent;
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225 /* The rest are only used by margin routines. */
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226 face_index findex;
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227 int active;
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228 int width;
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229 };
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230
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231 typedef struct
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232 {
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233 Dynarr_declare (glyph_block);
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234 } glyph_block_dynarr;
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235
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422
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236 /*************************************************************************/
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237 /* display lines */
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238 /*************************************************************************/
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239
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240 /* Modeline commentary: IMO the modeline is handled very badly, we
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241 special case virtually *everything* in the redisplay routines for
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242 the modeline. The fact that dl->bufpos can be either a buffer
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243 position or a char count highlights this. There is no abstraction at
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244 all that I can find and it means that the code is made very ugly as
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245 a result. Either we should treat the modeline *entirely* separately,
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246 or we should abstract to something that applies equally well to the
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247 modeline and to buffer text, the things are not enormously different
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248 after all and handling them identically at some level would
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249 eliminate some bugs that still exist (mainly to do with modeline
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250 handling). This problem doesn't help trying to implement gutters
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251 which are somewhere in between buffer text and modeline text.
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252
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253 Redisplay commentary: Everything in redisplay is tied very tightly
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254 to the things that are being displayed, and the context,
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255 e.g. buffers and windows. According to Chuck this is so that we can
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256 get speed, which seems fine to me, however this usage is extended
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257 too far down the redispay routines IMO. At some level there should
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258 be functions that know how to display strings with extents and
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259 faces, regardless of buffer etc. After all the window system does
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260 not care. <andy@xemacs.org> */
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261
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262 typedef struct display_line display_line;
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263 struct display_line
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264 {
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265 short ypos; /* vertical position in pixels
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266 of the baseline for this line. */
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267 unsigned short ascent, descent; /* maximum values for this line.
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268 The ascent is the number of
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269 pixels above the baseline, and
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270 the descent is the number of
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271 pixels below the baseline.
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272 The descent includes the baseline
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273 pixel-row itself, I think. */
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274 unsigned short clip; /* amount of bottom of line to clip
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275 in pixels.*/
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276 unsigned short top_clip; /* amount of top of line to clip
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277 in pixels.*/
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278 Bufpos bufpos; /* first buffer position on line */
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279 Bufpos end_bufpos; /* last buffer position on line */
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280 Charcount offset; /* adjustment to bufpos vals */
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281 Charcount num_chars; /* # of chars on line
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282 including expansion of tabs
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283 and control chars */
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284 int cursor_elt; /* rune block of TEXT display
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285 block cursor is at or -1 */
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286 char used_prop_data; /* can't incrementally update if line
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287 used propagation data */
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288
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289 layout_bounds bounds; /* line boundary positions */
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290
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291 char modeline; /* t if this line is a modeline */
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292
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293 /* Dynamic array of display blocks */
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294 display_block_dynarr *display_blocks;
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295
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296 /* Dynamic arrays of left and right glyph blocks */
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297 glyph_block_dynarr *left_glyphs;
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298 glyph_block_dynarr *right_glyphs;
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422
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299
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300 face_index left_margin_findex;
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301 face_index right_margin_findex;
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302 face_index default_findex;
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303 };
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304
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388
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305 #define DISPLAY_LINE_HEIGHT(dl) \
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306 (dl->ascent + dl->descent - (dl->clip + dl->top_clip))
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388
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307 #define DISPLAY_LINE_YPOS(dl) \
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308 (dl->ypos - (dl->ascent - dl->top_clip))
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309 #define DISPLAY_LINE_YEND(dl) \
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310 ((dl->ypos + dl->descent) - dl->clip)
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311
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312 typedef struct
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313 {
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314 Dynarr_declare (display_line);
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315 } display_line_dynarr;
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316
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424
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317 /* The following two structures are used to represent an area to
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318 displayed and where to display it. Using these two structures all
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319 combinations of clipping and position can be accommodated. */
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320
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321 /* This represents an area to be displayed into. */
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322 typedef struct display_box display_box;
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323 struct display_box
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324 {
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325 int xpos; /* absolute horizontal position of area */
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326 int ypos; /* absolute vertical position of area */
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327 int width, height;
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328 };
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329
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330 /* This represents the area from a glyph to be displayed. */
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331 typedef struct display_glyph_area display_glyph_area;
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332 struct display_glyph_area
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333 {
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334 int xoffset; /* horizontal offset of the glyph, +ve means
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335 display the glyph with x offset by xoffset,
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336 -ve means display starting xoffset into the
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337 glyph. */
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338 int yoffset; /* vertical offset of the glyph, +ve means
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339 display the glyph with y offset by yoffset,
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340 -ve means display starting xoffset into the
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341 glyph. */
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342 int width, height; /* width and height of glyph to display. */
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343 };
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344
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345 /* It could be argued that the following two structs belong in
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346 extents.h, but they're only used by redisplay and it simplifies
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347 the header files to put them here. */
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348
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185
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349 typedef struct
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350 {
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185
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351 Dynarr_declare (EXTENT);
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352 } EXTENT_dynarr;
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353
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354 struct font_metric_info
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355 {
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356 int width;
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357 int height; /* always ascent + descent; for convenience */
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358 int ascent;
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359 int descent;
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360
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183
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361 int proportional_p;
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362 };
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363
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364 /* NOTE NOTE NOTE: Currently the positions in an extent fragment
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365 structure are Bytind's, not Bufpos's. This could change. */
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366
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367 struct extent_fragment
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368 {
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369 Lisp_Object object; /* buffer or string */
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370 struct frame *frm;
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371 Bytind pos, end;
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372 EXTENT_dynarr *extents;
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373 glyph_block_dynarr *begin_glyphs, *end_glyphs;
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374 unsigned int invisible:1;
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375 unsigned int invisible_ellipses:1;
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376 unsigned int previously_invisible:1;
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377 unsigned int invisible_ellipses_already_displayed:1;
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378 };
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379
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424
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380 #define EDGE_TOP 1
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381 #define EDGE_LEFT 2
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382 #define EDGE_BOTTOM 4
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383 #define EDGE_RIGHT 8
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384 #define EDGE_ALL (EDGE_TOP | EDGE_LEFT | EDGE_BOTTOM | EDGE_RIGHT)
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385
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386
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387 /*************************************************************************/
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388 /* change flags */
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389 /*************************************************************************/
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390
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391 /* Quick flags to signal redisplay. redisplay() sets them all to 0
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392 when it finishes. If none of them are set when it starts, it
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393 assumes that nothing needs to be done. Functions that make a change
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394 that is (potentially) visible on the screen should set the
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395 appropriate flag.
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396
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397 If any of these flags are set, redisplay will look more carefully
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398 to see if anything has really changed. */
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399
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412
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400 /* non-nil if the contents of a buffer have changed since the last time
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401 redisplay completed */
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402 extern int buffers_changed;
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403 extern int buffers_changed_set;
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404
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405 /* Nonzero if head_clip or tail_clip of a buffer has changed
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412
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406 since last redisplay that finished */
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407 extern int clip_changed;
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408 extern int clip_changed_set;
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409
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412
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410 /* non-nil if any extent has changed since the last time redisplay completed */
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411 extern int extents_changed;
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412 extern int extents_changed_set;
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413
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412
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414 /* non-nil if any face has changed since the last time redisplay completed */
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415 extern int faces_changed;
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416
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412
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417 /* Nonzero means one or more frames have been marked as garbaged */
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418 extern int frame_changed;
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419
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269
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420 /* True if any of the builtin display glyphs (continuation,
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421 hscroll, control-arrow, etc) is in need of updating
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422 somewhere. */
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423 extern int glyphs_changed;
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424 extern int glyphs_changed_set;
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425
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384
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426 /* True if any displayed subwindow is in need of updating
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427 somewhere. */
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428 extern int subwindows_changed;
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429 extern int subwindows_changed_set;
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430
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424
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431 /* True if any displayed subwindow is in need of updating
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432 somewhere. */
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433 extern int subwindows_state_changed;
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434 extern int subwindows_state_changed_set;
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435
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436 /* True if an icon is in need of updating somewhere. */
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437 extern int icon_changed;
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438 extern int icon_changed_set;
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439
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440 /* True if a menubar is in need of updating somewhere. */
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441 extern int menubar_changed;
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442 extern int menubar_changed_set;
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443
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412
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444 /* true iff we should redraw the modelines on the next redisplay */
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445 extern int modeline_changed;
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446 extern int modeline_changed_set;
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447
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412
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448 /* non-nil if point has changed in some buffer since the last time
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449 redisplay completed */
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450 extern int point_changed;
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451 extern int point_changed_set;
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452
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412
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453 /* non-nil if some frame has changed its size */
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454 extern int size_changed;
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455
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412
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456 /* non-nil if some device has signaled that it wants to change size */
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457 extern int asynch_device_change_pending;
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458
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412
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459 /* non-nil if any toolbar has changed */
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460 extern int toolbar_changed;
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461 extern int toolbar_changed_set;
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462
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422
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463 /* non-nil if any gutter has changed */
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464 extern int gutter_changed;
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465 extern int gutter_changed_set;
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466
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412
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467 /* non-nil if any window has changed since the last time redisplay completed */
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468 extern int windows_changed;
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469
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412
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470 /* non-nil if any frame's window structure has changed since the last
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471 time redisplay completed */
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472 extern int windows_structure_changed;
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473
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474 /* These macros can be relatively expensive. Since they are often
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475 called numerous times between each call to redisplay, we keep track
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476 if each has already been called and don't bother doing most of the
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477 work if it is currently set. */
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478
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380
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479 #define MARK_TYPE_CHANGED(object) do { \
|
|
480 if (!object##_changed_set) { \
|
|
481 Lisp_Object MTC_devcons, MTC_concons; \
|
|
482 DEVICE_LOOP_NO_BREAK (MTC_devcons, MTC_concons) \
|
|
483 { \
|
|
484 Lisp_Object MTC_frmcons; \
|
|
485 struct device *MTC_d = XDEVICE (XCAR (MTC_devcons)); \
|
|
486 DEVICE_FRAME_LOOP (MTC_frmcons, MTC_d) \
|
|
487 { \
|
|
488 struct frame *MTC_f = XFRAME (XCAR (MTC_frmcons)); \
|
|
489 MTC_f->object##_changed = 1; \
|
|
490 MTC_f->modiff++; \
|
|
491 } \
|
|
492 MTC_d->object##_changed = 1; \
|
|
493 } \
|
|
494 object##_changed = 1; \
|
|
495 object##_changed_set = 1; } \
|
0
|
496 } while (0)
|
|
497
|
|
498 #define MARK_BUFFERS_CHANGED MARK_TYPE_CHANGED (buffers)
|
|
499 #define MARK_CLIP_CHANGED MARK_TYPE_CHANGED (clip)
|
|
500 #define MARK_EXTENTS_CHANGED MARK_TYPE_CHANGED (extents)
|
|
501 #define MARK_ICON_CHANGED MARK_TYPE_CHANGED (icon)
|
|
502 #define MARK_MENUBAR_CHANGED MARK_TYPE_CHANGED (menubar)
|
|
503 #define MARK_MODELINE_CHANGED MARK_TYPE_CHANGED (modeline)
|
|
504 #define MARK_POINT_CHANGED MARK_TYPE_CHANGED (point)
|
|
505 #define MARK_TOOLBAR_CHANGED MARK_TYPE_CHANGED (toolbar)
|
422
|
506 #define MARK_GUTTER_CHANGED MARK_TYPE_CHANGED (gutter)
|
269
|
507 #define MARK_GLYPHS_CHANGED MARK_TYPE_CHANGED (glyphs)
|
384
|
508 #define MARK_SUBWINDOWS_CHANGED MARK_TYPE_CHANGED (subwindows)
|
424
|
509 #define MARK_SUBWINDOWS_STATE_CHANGED MARK_TYPE_CHANGED (subwindows_state)
|
|
510
|
|
511
|
|
512 #define CLASS_RESET_CHANGED_FLAGS(p) do { \
|
|
513 (p)->buffers_changed = 0; \
|
|
514 (p)->clip_changed = 0; \
|
|
515 (p)->extents_changed = 0; \
|
|
516 (p)->faces_changed = 0; \
|
|
517 (p)->frame_changed = 0; \
|
|
518 (p)->icon_changed = 0; \
|
|
519 (p)->menubar_changed = 0; \
|
|
520 (p)->modeline_changed = 0; \
|
|
521 (p)->point_changed = 0; \
|
|
522 (p)->toolbar_changed = 0; \
|
|
523 (p)->gutter_changed = 0; \
|
|
524 (p)->glyphs_changed = 0; \
|
|
525 (p)->subwindows_changed = 0; \
|
|
526 (p)->subwindows_state_changed = 0; \
|
|
527 (p)->windows_changed = 0; \
|
|
528 (p)->windows_structure_changed = 0; \
|
|
529 } while (0)
|
|
530
|
|
531 #define GLOBAL_RESET_CHANGED_FLAGS do { \
|
|
532 buffers_changed = 0; \
|
|
533 clip_changed = 0; \
|
|
534 extents_changed = 0; \
|
|
535 faces_changed = 0; \
|
|
536 frame_changed = 0; \
|
|
537 icon_changed = 0; \
|
|
538 menubar_changed = 0; \
|
|
539 modeline_changed = 0; \
|
|
540 point_changed = 0; \
|
|
541 toolbar_changed = 0; \
|
|
542 gutter_changed = 0; \
|
|
543 glyphs_changed = 0; \
|
|
544 subwindows_changed = 0; \
|
|
545 subwindows_state_changed = 0; \
|
|
546 windows_changed = 0; \
|
|
547 windows_structure_changed = 0; \
|
|
548 } while (0)
|
|
549
|
|
550 #define CLASS_REDISPLAY_FLAGS_CHANGEDP(p) \
|
|
551 ( (p)->buffers_changed || \
|
|
552 (p)->clip_changed || \
|
|
553 (p)->extents_changed || \
|
|
554 (p)->faces_changed || \
|
|
555 (p)->frame_changed || \
|
|
556 (p)->icon_changed || \
|
|
557 (p)->menubar_changed || \
|
|
558 (p)->modeline_changed || \
|
|
559 (p)->point_changed || \
|
|
560 (p)->toolbar_changed || \
|
|
561 (p)->gutter_changed || \
|
|
562 (p)->glyphs_changed || \
|
|
563 (p)->subwindows_changed || \
|
|
564 (p)->subwindows_state_changed || \
|
|
565 (p)->windows_changed || \
|
|
566 (p)->windows_structure_changed )
|
|
567
|
|
568 #define GLOBAL_REDISPLAY_FLAGS_CHANGEDP \
|
|
569 ( buffers_changed || \
|
|
570 clip_changed || \
|
|
571 extents_changed || \
|
|
572 faces_changed || \
|
|
573 frame_changed || \
|
|
574 icon_changed || \
|
|
575 menubar_changed || \
|
|
576 modeline_changed || \
|
|
577 point_changed || \
|
|
578 toolbar_changed || \
|
|
579 gutter_changed || \
|
|
580 glyphs_changed || \
|
|
581 subwindows_changed || \
|
|
582 subwindows_state_changed || \
|
|
583 windows_changed || \
|
|
584 windows_structure_changed )
|
|
585
|
0
|
586
|
|
587 /* Anytime a console, device or frame is added or deleted we need to reset
|
|
588 these flags. */
|
424
|
589 #define RESET_CHANGED_SET_FLAGS do { \
|
|
590 buffers_changed_set = 0; \
|
|
591 clip_changed_set = 0; \
|
|
592 extents_changed_set = 0; \
|
|
593 icon_changed_set = 0; \
|
|
594 menubar_changed_set = 0; \
|
|
595 modeline_changed_set = 0; \
|
|
596 point_changed_set = 0; \
|
|
597 toolbar_changed_set = 0; \
|
|
598 gutter_changed_set = 0; \
|
|
599 glyphs_changed_set = 0; \
|
|
600 subwindows_changed_set = 0; \
|
|
601 subwindows_state_changed_set = 0; \
|
|
602 } while (0)
|
0
|
603
|
|
604
|
|
605 /*************************************************************************/
|
|
606 /* redisplay global variables */
|
|
607 /*************************************************************************/
|
|
608
|
380
|
609 /* redisplay structure used by various utility routines. */
|
0
|
610 extern display_line_dynarr *cmotion_display_lines;
|
|
611
|
|
612 /* Nonzero means truncate lines in all windows less wide than the frame. */
|
|
613 extern int truncate_partial_width_windows;
|
|
614
|
|
615 /* Nonzero if we're in a display critical section. */
|
|
616 extern int in_display;
|
|
617
|
|
618 /* Nonzero means no need to redraw the entire frame on resuming
|
|
619 a suspended Emacs. This is useful on terminals with multiple pages,
|
|
620 where one page is used for Emacs and another for all else. */
|
|
621 extern int no_redraw_on_reenter;
|
|
622
|
412
|
623 /* Nonzero means flash the frame instead of ringing the bell. */
|
|
624 extern int visible_bell;
|
0
|
625
|
|
626 /* Thickness of shadow border around 3D modelines. */
|
|
627 extern Lisp_Object Vmodeline_shadow_thickness;
|
|
628
|
|
629 /* Scroll if point lands on the bottom line and that line is partially
|
|
630 clipped. */
|
|
631 extern int scroll_on_clipped_lines;
|
|
632
|
|
633 extern Lisp_Object Vglobal_mode_string;
|
|
634
|
2
|
635 /* The following two variables are defined in emacs.c and are used
|
0
|
636 to convey information discovered on the command line way early
|
|
637 (before *anything* is initialized). */
|
|
638
|
|
639 /* If non-zero, a window-system was specified on the command line.
|
|
640 Defined in emacs.c. */
|
|
641 extern int display_arg;
|
|
642
|
|
643 /* Type of display specified. Defined in emacs.c. */
|
412
|
644 extern CONST char *display_use;
|
0
|
645
|
272
|
646 /* Nonzero means reading single-character input with prompt
|
|
647 so put cursor on minibuffer after the prompt. */
|
|
648
|
|
649 extern int cursor_in_echo_area;
|
|
650
|
|
651 extern Lisp_Object Qbar_cursor, Qcursor_in_echo_area, Vwindow_system;
|
|
652
|
0
|
653
|
|
654 /*************************************************************************/
|
|
655 /* redisplay exported functions */
|
|
656 /*************************************************************************/
|
272
|
657 EXFUN (Fredraw_frame, 2);
|
0
|
658
|
|
659 int redisplay_text_width_string (struct window *w, int findex,
|
|
660 Bufbyte *nonreloc, Lisp_Object reloc,
|
|
661 Bytecount offset, Bytecount len);
|
|
662 int redisplay_frame_text_width_string (struct frame *f,
|
|
663 Lisp_Object face,
|
|
664 Bufbyte *nonreloc,
|
|
665 Lisp_Object reloc,
|
|
666 Bytecount offset, Bytecount len);
|
|
667 void redisplay (void);
|
|
668 struct display_block *get_display_block_from_line (struct display_line *dl,
|
|
669 enum display_type type);
|
|
670 layout_bounds calculate_display_line_boundaries (struct window *w,
|
|
671 int modeline);
|
|
672 Bufpos point_at_center (struct window *w, int type, Bufpos start,
|
|
673 Bufpos point);
|
|
674 int line_at_center (struct window *w, int type, Bufpos start, Bufpos point);
|
|
675 int window_half_pixpos (struct window *w);
|
|
676 void redisplay_echo_area (void);
|
|
677 void free_display_structs (struct window_mirror *mir);
|
424
|
678 void free_display_lines (display_line_dynarr *dla);
|
412
|
679 Bufbyte *generate_formatted_string (struct window *w, Lisp_Object format_str,
|
|
680 Lisp_Object result_str, face_index findex,
|
|
681 int type);
|
422
|
682 void generate_displayable_area (struct window *w, Lisp_Object disp_string,
|
|
683 int xpos, int ypos, int width, int height,
|
|
684 display_line_dynarr* dl,
|
|
685 Bufpos start_pos, face_index default_face);
|
0
|
686 int real_current_modeline_height (struct window *w);
|
|
687 int pixel_to_glyph_translation (struct frame *f, int x_coord,
|
|
688 int y_coord, int *col, int *row,
|
|
689 int *obj_x, int *obj_y,
|
|
690 struct window **w, Bufpos *bufpos,
|
|
691 Bufpos *closest, Charcount *modeline_closest,
|
|
692 Lisp_Object *obj1, Lisp_Object *obj2);
|
|
693 void glyph_to_pixel_translation (struct window *w, int char_x,
|
|
694 int char_y, int *pix_x, int *pix_y);
|
424
|
695 void mark_redisplay (void);
|
0
|
696 int point_in_line_start_cache (struct window *w, Bufpos point,
|
|
697 int min_past);
|
|
698 int point_would_be_visible (struct window *w, Bufpos startp,
|
|
699 Bufpos point);
|
|
700 Bufpos start_of_last_line (struct window *w, Bufpos startp);
|
|
701 Bufpos end_of_last_line (struct window *w, Bufpos startp);
|
|
702 Bufpos start_with_line_at_pixpos (struct window *w, Bufpos point,
|
|
703 int pixpos);
|
|
704 Bufpos start_with_point_on_display_line (struct window *w, Bufpos point,
|
|
705 int line);
|
|
706 int redisplay_variable_changed (Lisp_Object sym, Lisp_Object *val,
|
|
707 Lisp_Object in_object, int flags);
|
|
708 void redisplay_glyph_changed (Lisp_Object glyph, Lisp_Object property,
|
|
709 Lisp_Object locale);
|
|
710
|
|
711 #ifdef MEMORY_USAGE_STATS
|
|
712 int compute_display_line_dynarr_usage (display_line_dynarr *dyn,
|
|
713 struct overhead_stats *ovstats);
|
|
714 int compute_line_start_cache_dynarr_usage (line_start_cache_dynarr *dyn,
|
|
715 struct overhead_stats *ovstats);
|
|
716 #endif
|
|
717
|
|
718
|
|
719 /* defined in redisplay-output.c */
|
|
720 int get_next_display_block (layout_bounds bounds,
|
|
721 display_block_dynarr *dba, int start_pos,
|
|
722 int *next_start);
|
424
|
723 void redisplay_output_layout (struct window *w,
|
|
724 Lisp_Object image_instance,
|
|
725 struct display_box* db, struct display_glyph_area* dga,
|
|
726 face_index findex, int cursor_start, int cursor_width,
|
|
727 int cursor_height);
|
|
728 void redisplay_output_subwindow (struct window *w,
|
|
729 Lisp_Object image_instance,
|
|
730 struct display_box* db, struct display_glyph_area* dga,
|
|
731 face_index findex, int cursor_start, int cursor_width,
|
|
732 int cursor_height);
|
388
|
733 void redisplay_unmap_subwindows_maybe (struct frame* f, int x, int y, int width, int height);
|
424
|
734 void redisplay_output_pixmap (struct window *w,
|
|
735 Lisp_Object image_instance,
|
|
736 struct display_box* db, struct display_glyph_area* dga,
|
|
737 face_index findex, int cursor_start, int cursor_width,
|
|
738 int cursor_height, int offset_bitmap);
|
|
739 int redisplay_calculate_display_boxes (struct display_line *dl, int xpos,
|
|
740 int xoffset, int start_pixpos, int width,
|
|
741 struct display_box* dest,
|
|
742 struct display_glyph_area* src);
|
|
743 int redisplay_normalize_glyph_area (struct display_box* dest,
|
|
744 struct display_glyph_area* glyphsrc);
|
422
|
745 void redisplay_clear_to_window_end (struct window *w, int ypos1, int ypos2);
|
384
|
746 void redisplay_clear_region (Lisp_Object window, face_index findex, int x,
|
|
747 int y, int width, int height);
|
0
|
748 void redisplay_clear_bottom_of_window (struct window *w,
|
|
749 display_line_dynarr *ddla,
|
|
750 int min_start, int max_end);
|
|
751 void redisplay_update_line (struct window *w, int first_line,
|
|
752 int last_line, int update_values);
|
|
753 void redisplay_output_window (struct window *w);
|
424
|
754 void bevel_modeline (struct window *w, struct display_line *dl);
|
0
|
755 int redisplay_move_cursor (struct window *w, Bufpos new_point,
|
|
756 int no_output_end);
|
|
757 void redisplay_redraw_cursor (struct frame *f, int run_begin_end_meths);
|
|
758 void output_display_line (struct window *w, display_line_dynarr *cdla,
|
|
759 display_line_dynarr *ddla, int line,
|
|
760 int force_start, int force_end);
|
|
761
|
412
|
762 #endif /* _XEMACS_REDISPLAY_H_ */
|