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90 | * width : 1 <= width |
90 | * width : 1 <= width |
91 | * height : 1 <= height |
91 | * height : 1 <= height |
92 | * ncol : 1 <= ncol <= MAX(tlen_t) |
92 | * ncol : 1 <= ncol <= MAX(tlen_t) |
93 | * nrow : 1 <= nrow <= MAX(int) |
93 | * nrow : 1 <= nrow <= MAX(int) |
94 | * saveLines : 0 <= saveLines <= MAX(int) |
94 | * saveLines : 0 <= saveLines <= MAX(int) |
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95 | * term_start : 0 <= term_start < saveLines |
95 | * total_rows : nrow + saveLines |
96 | * total_rows : nrow + saveLines |
96 | * nsaved : 0 <= nsaved <= saveLines |
97 | * |
97 | * term_start : 0 <= term_start < saveLines |
98 | * top_row : -saveLines <= top_row <= 0 |
98 | * view_start : 0 <= view_start < saveLines |
99 | * view_start : top_row <= view_start <= 0 |
99 | * |
100 | * |
100 | * | most coordinates are stored relative to term_start, |
101 | * | most coordinates are stored relative to term_start, |
101 | * ROW_BUF | which is the first line of the terminal screen |
102 | * ROW_BUF | which is the first line of the terminal screen |
102 | * |························= row_buf[0] |
103 | * |························= row_buf[0] |
103 | * |························= row_buf[1] |
104 | * |························= row_buf[1] |
104 | * |························= row_buf[2] etc. |
105 | * |························= row_buf[2] etc. |
105 | * | |
106 | * | |
106 | * +------------+···········= term_start - nsaved |
107 | * +------------+···········= term_start + top_row |
107 | * | scrollback | |
108 | * | scrollback | |
108 | * | scrollback +---------+·= term_start - view_start |
109 | * | scrollback +---------+·= term_start + view_start |
109 | * | scrollback | display | |
110 | * | scrollback | display | |
110 | * | scrollback | display | |
111 | * | scrollback | display | |
111 | * +------------+·display·+·= term_start |
112 | * +------------+·display·+·= term_start |
112 | * | terminal | display | |
113 | * | terminal | display | |
113 | * | terminal +---------+ |
114 | * | terminal +---------+ |
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132 | int int_bwidth; /* internal border width */ |
133 | int int_bwidth; /* internal border width */ |
133 | int ext_bwidth; /* external border width */ |
134 | int ext_bwidth; /* external border width */ |
134 | int lineSpace; /* number of extra pixels between rows */ |
135 | int lineSpace; /* number of extra pixels between rows */ |
135 | int saveLines; /* number of lines that fit in scrollback */ |
136 | int saveLines; /* number of lines that fit in scrollback */ |
136 | int total_rows; /* total number of rows in this terminal */ |
137 | int total_rows; /* total number of rows in this terminal */ |
137 | int nsaved; /* number of rows saved to scrollback */ |
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138 | int term_start; /* term lines start here */ |
138 | int term_start; /* term lines start here */ |
139 | int view_start; /* scrollback view starts here */ |
139 | int view_start; /* scrollback view starts here */ |
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140 | int top_row; /* topmost row index of scrollback */ |
140 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
141 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
141 | Window vt; /* vt100 window */ |
142 | Window vt; /* vt100 window */ |
142 | GC gc; /* GC for drawing */ |
143 | GC gc; /* GC for drawing */ |
143 | Pixmap pixmap; |
144 | Pixmap pixmap; |
144 | rxvt_drawable *drawable; |
145 | rxvt_drawable *drawable; |