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28 | # include <wchar.h> |
28 | # include <wchar.h> |
29 | #else |
29 | #else |
30 | // stdlib.h might provide it |
30 | // stdlib.h might provide it |
31 | #endif |
31 | #endif |
32 | |
32 | |
33 | #include "ptytty.h" |
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34 | |
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35 | extern "C" { |
33 | extern "C" { |
36 | #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */ |
34 | #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */ |
37 | } |
35 | } |
38 | |
36 | |
39 | /* |
37 | /* |
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52 | |
50 | |
53 | struct rxvt_fontset; |
51 | struct rxvt_fontset; |
54 | struct rxvt_color; |
52 | struct rxvt_color; |
55 | struct rxvt_vars; /* defined later on */ |
53 | struct rxvt_vars; /* defined later on */ |
56 | struct rxvt_term; |
54 | struct rxvt_term; |
57 | struct rxvt_display; |
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58 | struct rxvt_im; |
55 | struct rxvt_im; |
59 | struct rxvt_drawable; |
56 | struct rxvt_drawable; |
60 | |
57 | |
61 | typedef struct rxvt_term *rxvt_t; |
58 | typedef struct rxvt_term *rxvt_t; |
62 | |
59 | |
63 | extern rxvt_t rxvt_current_term; |
60 | extern rxvt_t rxvt_current_term; |
64 | |
61 | |
65 | #define SET_R(r) rxvt_current_term = (r) |
62 | #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r) |
66 | #define GET_R rxvt_current_term |
63 | #define GET_R rxvt_current_term |
67 | |
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68 | #define scrollbar_visible() scrollBar.state |
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69 | #define menubar_visible() menuBar.state |
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70 | |
64 | |
71 | typedef struct { |
65 | typedef struct { |
72 | int row; |
66 | int row; |
73 | int col; |
67 | int col; |
74 | } row_col_t; |
68 | } row_col_t; |
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77 | typedef uint32_t text_t; |
71 | typedef uint32_t text_t; |
78 | #else |
72 | #else |
79 | typedef uint16_t text_t; // saves lots of memory |
73 | typedef uint16_t text_t; // saves lots of memory |
80 | #endif |
74 | #endif |
81 | typedef uint32_t rend_t; |
75 | typedef uint32_t rend_t; |
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76 | typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use |
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77 | typedef int32_t tlen_t_; // specifically for use in the line_t structure |
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78 | |
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79 | struct line_t; |
82 | |
80 | |
83 | /* |
81 | /* |
84 | * TermWin elements limits |
82 | * terminal limits: |
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83 | * |
85 | * width : 1 <= width |
84 | * width : 1 <= width |
86 | * height : 1 <= height |
85 | * height : 1 <= height |
87 | * ncol : 1 <= ncol <= MAX(int16_t) |
86 | * ncol : 1 <= ncol <= MAX(tlen_t) |
88 | * nrow : 1 <= nrow <= MAX(int16_t) |
87 | * nrow : 1 <= nrow <= MAX(int) |
89 | * saveLines : 0 <= saveLines <= MAX(int16_t) |
88 | * saveLines : 0 <= saveLines <= MAX(int) |
90 | * nscrolled : 0 <= nscrolled <= saveLines |
89 | * term_start : 0 <= term_start < saveLines |
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90 | * total_rows : nrow + saveLines |
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91 | * |
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92 | * top_row : -saveLines <= top_row <= 0 |
91 | * view_start: 0 <= view_start <= nscrolled |
93 | * view_start : top_row <= view_start <= 0 |
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94 | * |
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95 | * | most coordinates are stored relative to term_start, |
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96 | * ROW_BUF | which is the first line of the terminal screen |
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97 | * |························= row_buf[0] |
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98 | * |························= row_buf[1] |
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99 | * |························= row_buf[2] etc. |
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100 | * | |
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101 | * +------------+···········= term_start + top_row |
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102 | * | scrollback | |
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103 | * | scrollback +---------+·= term_start + view_start |
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104 | * | scrollback | display | |
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105 | * | scrollback | display | |
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106 | * +------------+·display·+·= term_start |
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107 | * | terminal | display | |
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108 | * | terminal +---------+ |
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109 | * | terminal | |
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110 | * | terminal | |
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111 | * +------------+···········= term_stat + nrow - 1 |
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112 | * | |
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113 | * | |
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114 | * END······················= total_rows |
92 | */ |
115 | */ |
93 | |
116 | |
94 | typedef struct { |
117 | struct TermWin_t { |
95 | int width; /* window width [pixels] */ |
118 | int width; /* window width [pixels] */ |
96 | int height; /* window height [pixels] */ |
119 | int height; /* window height [pixels] */ |
97 | int fwidth; /* font width [pixels] */ |
120 | int fwidth; /* font width [pixels] */ |
98 | int fheight; /* font height [pixels] */ |
121 | int fheight; /* font height [pixels] */ |
99 | int fweight, fslant; |
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100 | int fbase; /* font ascent (baseline) [pixels] */ |
122 | int fbase; /* font ascent (baseline) [pixels] */ |
101 | int ncol; /* window columns [characters] */ |
123 | int ncol; /* window columns [characters] */ |
102 | int nrow; /* window rows [characters] */ |
124 | int nrow; /* window rows [characters] */ |
103 | int focus; /* window has focus */ |
125 | int focus; /* window has focus */ |
104 | int mapped; /* window state mapped? */ |
126 | int mapped; /* window state mapped? */ |
105 | int int_bwidth; /* internal border width */ |
127 | int int_bwidth; /* internal border width */ |
106 | int ext_bwidth; /* external border width */ |
128 | int ext_bwidth; /* external border width */ |
107 | int lineSpace; /* number of extra pixels between rows */ |
129 | int lineSpace; /* number of extra pixels between rows */ |
108 | int saveLines; /* number of lines that fit in scrollback */ |
130 | int saveLines; /* number of lines that fit in scrollback */ |
109 | int nscrolled; /* number of line actually scrolled */ |
131 | int total_rows; /* total number of rows in this terminal */ |
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132 | int term_start; /* term lines start here */ |
110 | int view_start; /* scrollback view starts here */ |
133 | int view_start; /* scrollback view starts here */ |
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134 | int top_row; /* topmost row index of scrollback */ |
111 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
135 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
112 | Window vt; /* vt100 window */ |
136 | Window vt; /* vt100 window */ |
113 | GC gc; /* GC for drawing */ |
137 | GC gc; /* GC for drawing */ |
114 | Pixmap pixmap; |
138 | Pixmap pixmap; |
115 | rxvt_drawable *drawable; |
139 | rxvt_drawable *drawable; |
116 | rxvt_fontset *fontset[4]; |
140 | rxvt_fontset *fontset[4]; |
117 | } TermWin_t; |
141 | }; |
118 | |
142 | |
119 | /* |
143 | /* |
120 | * screen accounting: |
144 | * screen accounting: |
121 | * screen_t elements |
145 | * screen_t elements |
122 | * text: Contains all text information including the scrollback buffer. |
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123 | * Each line is length TermWin.ncol |
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124 | * tlen: The length of the line or -1 for wrapped lines. |
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125 | * rend: Contains rendition information: font, bold, colour, etc. |
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126 | * * Note: Each line for both text and rend are only allocated on demand, and |
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127 | * text[x] is allocated <=> rend[x] is allocated for all x. |
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128 | * row: Cursor row position : 0 <= row < TermWin.nrow |
146 | * row: Cursor row position : 0 <= row < nrow |
129 | * col: Cursor column position : 0 <= col < TermWin.ncol |
147 | * col: Cursor column position : 0 <= col < ncol |
130 | * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow |
148 | * tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
131 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow |
149 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
132 | * |
150 | * |
133 | * selection_t elements |
151 | * selection_t elements |
134 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
152 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
135 | * nothing is selected |
153 | * nothing is selected |
136 | * beg: row/column of beginning of selection : never past mark |
154 | * beg: row/column of beginning of selection : never past mark |
137 | * mark: row/column of initial click : never past end |
155 | * mark: row/column of initial click : never past end |
138 | * end: row/column of one character past end of selection |
156 | * end: row/column of one character past end of selection |
139 | * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow |
157 | * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow |
140 | * * Note: col == -1 ==> we're left of screen |
158 | * * Note: col == -1 ==> we're left of screen |
141 | * |
159 | * |
142 | * Layout of text/rend information in the screen_t text/rend structures: |
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143 | * Rows [0] ... [TermWin.saveLines - 1] |
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144 | * scrollback region : we're only here if TermWin.view_start != 0 |
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145 | * Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1] |
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146 | * normal `unscrolled' screen region |
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147 | */ |
160 | */ |
148 | typedef struct { |
161 | typedef struct { |
149 | int16_t *tlen; /* length of each text line */ |
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150 | text_t **text; /* _all_ the text */ |
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151 | rend_t **rend; /* rendition, uses RS_ flags */ |
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152 | row_col_t cur; /* cursor position on the screen */ |
162 | row_col_t cur; /* cursor position on the screen */ |
153 | unsigned int tscroll; /* top of settable scroll region */ |
163 | int tscroll; /* top of settable scroll region */ |
154 | unsigned int bscroll; /* bottom of settable scroll region */ |
164 | int bscroll; /* bottom of settable scroll region */ |
155 | unsigned int charset; /* character set number [0..3] */ |
165 | unsigned int charset; /* character set number [0..3] */ |
156 | unsigned int flags; /* see below */ |
166 | unsigned int flags; /* see below */ |
157 | row_col_t s_cur; /* saved cursor position */ |
167 | row_col_t s_cur; /* saved cursor position */ |
158 | unsigned int s_charset; /* saved character set number [0..3] */ |
168 | unsigned int s_charset; /* saved character set number [0..3] */ |
159 | char s_charset_char; |
169 | char s_charset_char; |
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189 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
199 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
190 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
200 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
191 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
201 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
192 | |
202 | |
193 | /* rxvt_vars.options */ |
203 | /* rxvt_vars.options */ |
194 | #define Opt_console (1UL<<0) |
204 | enum { |
195 | #define Opt_loginShell (1UL<<1) |
205 | # define def(name,idx) Opt_ ## name = 1UL << (idx), |
196 | #define Opt_iconic (1UL<<2) |
206 | # define nodef(name) Opt_ ## name = 0, |
197 | #define Opt_visualBell (1UL<<3) |
207 | # include "optinc.h" |
198 | #define Opt_mapAlert (1UL<<4) |
208 | # undef nodef |
199 | #define Opt_reverseVideo (1UL<<5) |
209 | # undef def |
200 | #define Opt_utmpInhibit (1UL<<6) |
210 | }; |
201 | #define Opt_scrollBar (1UL<<7) |
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202 | #define Opt_scrollBar_right (1UL<<8) |
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203 | #define Opt_scrollBar_floating (1UL<<9) |
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204 | #define Opt_meta8 (1UL<<10) |
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205 | #define Opt_scrollTtyOutput (1UL<<11) |
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206 | #define Opt_scrollTtyKeypress (1UL<<12) |
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207 | #define Opt_transparent (1UL<<13) |
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208 | #define Opt_tripleclickwords (1UL<<14) |
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209 | #define Opt_scrollWithBuffer (1UL<<15) |
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210 | #define Opt_jumpScroll (1UL<<16) |
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211 | #define Opt_mouseWheelScrollPage (1UL<<17) |
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212 | #define Opt_pointerBlank (1UL<<18) |
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213 | #define Opt_cursorBlink (1UL<<19) |
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214 | #define Opt_secondaryScreen (1UL<<20) |
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215 | #define Opt_secondaryScroll (1UL<<21) |
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216 | #define Opt_pastableTabs (1UL<<22) |
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217 | #define Opt_cursorUnderline (1UL<<23) |
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218 | #if ENABLE_FRILLS |
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219 | # define Opt_insecure (1UL<<24) // insecure esc sequences |
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220 | # define Opt_borderLess (1UL<<25) // mem borderless hints |
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221 | #else |
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222 | # define Opt_insecure 0 |
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223 | # define Opt_borderLess 0 |
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224 | #endif |
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225 | /* place holder used for parsing command-line options */ |
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226 | #define Opt_Reverse (1UL<<30) |
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227 | #define Opt_Boolean (1UL<<31) |
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228 | |
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229 | #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ |
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230 | | Opt_jumpScroll | Opt_secondaryScreen \ |
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231 | | Opt_pastableTabs) |
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232 | |
211 | |
233 | /* ------------------------------------------------------------------------- */ |
212 | /* ------------------------------------------------------------------------- */ |
234 | |
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235 | typedef struct { |
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236 | short state; |
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237 | Window win; |
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238 | struct rxvt_drawable *drawable; |
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239 | } menuBar_t; |
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240 | |
213 | |
241 | typedef struct { |
214 | typedef struct { |
242 | char state; /* scrollbar state */ |
215 | char state; /* scrollbar state */ |
243 | char init; /* scrollbar has been initialised */ |
216 | char init; /* scrollbar has been initialised */ |
244 | unsigned int beg; /* slider sub-window begin height */ |
217 | unsigned int beg; /* slider sub-window begin height */ |
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254 | void setMotion() { state = 'm'; } |
227 | void setMotion() { state = 'm'; } |
255 | void setUp() { state = 'U'; } |
228 | void setUp() { state = 'U'; } |
256 | void setDn() { state = 'D'; } |
229 | void setDn() { state = 'D'; } |
257 | } scrollBar_t; |
230 | } scrollBar_t; |
258 | |
231 | |
259 | struct rxvt_vars { |
232 | struct rxvt_vars : TermWin_t { |
260 | TermWin_t TermWin; |
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261 | scrollBar_t scrollBar; |
233 | scrollBar_t scrollBar; |
262 | menuBar_t menuBar; |
234 | uint32_t options; |
263 | unsigned long options; |
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264 | XSizeHints szHint; |
235 | XSizeHints szHint; |
265 | rxvt_display *display; |
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266 | rxvt_color *pix_colors; |
236 | rxvt_color *pix_colors; |
267 | rxvt_color *pix_colors_focused; |
237 | rxvt_color *pix_colors_focused; |
268 | #ifdef OFF_FOCUS_FADING |
238 | #ifdef OFF_FOCUS_FADING |
269 | rxvt_color *pix_colors_unfocused; |
239 | rxvt_color *pix_colors_unfocused; |
270 | #endif |
240 | #endif |
271 | short numpix_colors; |
241 | short numpix_colors; |
272 | Cursor TermWin_cursor; /* cursor for vt window */ |
242 | Cursor TermWin_cursor; /* cursor for vt window */ |
273 | int sb_shadow; /* scrollbar shadow width */ |
243 | int sb_shadow; /* scrollbar shadow width */ |
274 | rxvt_ptytty pty; |
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275 | int numlock_state; |
244 | int numlock_state; |
276 | text_t **drawn_text; /* text drawn on screen (characters) */ |
245 | line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf |
277 | rend_t **drawn_rend; /* text drawn on screen (rendition) */ |
246 | line_t *drawn_buf; // text on screen |
278 | text_t **buf_text; |
247 | line_t *swap_buf; // lines for swap buffer |
279 | rend_t **buf_rend; |
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280 | char *tabs; /* per location: 1 == tab-stop */ |
248 | char *tabs; /* per location: 1 == tab-stop */ |
281 | screen_t screen; |
249 | screen_t screen; |
282 | screen_t swap; |
250 | screen_t swap; |
283 | selection_t selection; |
251 | selection_t selection; |
284 | }; |
252 | }; |