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/*
* Copyright (C) 2001-2004 Red Hat, Inc.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#define VTE_TAB_WIDTH 8
#define VTE_LINE_WIDTH 1
#define VTE_ROWS 24
#define VTE_COLUMNS 80
/*
* R8G8B8 colors are encoded in 25 bits as follows:
*
* 0 .. 255:
* Colors set by SGR 256-color extension (38/48;5;index).
* These are direct indices into the color palette.
*
* 256 .. VTE_PALETTE_SIZE - 1 (261):
* Special values, such as default colors.
* These are direct indices into the color palette.
*
* VTE_LEGACY_COLORS_OFFSET (512) .. VTE_LEGACY_COLORS_OFFSET + VTE_LEGACY_FULL_COLOR_SET_SIZE - 1 (527):
* Colors set by legacy escapes (30..37/40..47, 90..97/100..107).
* These are translated to 0 .. 15 before looking up in the palette, taking bold into account.
*
* VTE_DIM_COLORS (2^10) .. :
* Dimmed version of the above, for foreground colors.
* Cell attributes can't have these colors.
*
* VTE_RGB_COLOR (2^24) .. VTE_RGB_COLOR + 16Mi - 1 (2^25 - 1):
* Colors set by SGR truecolor extension (38/48;2;red;green;blue)
* These are direct RGB values.
*
* R4G5B4-bit-per-component colours are encoded the same, except for
* direct colours which are reduced to 13-bit colours and stored as
* direct values with bit 1 << 13 set.
*/
#define VTE_LEGACY_COLORS_OFFSET (1U << 9)
#define VTE_LEGACY_COLOR_SET_SIZE 8
#define VTE_LEGACY_FULL_COLOR_SET_SIZE 16
#define VTE_COLOR_PLAIN_OFFSET 0
#define VTE_COLOR_BRIGHT_OFFSET 8
#define VTE_DIM_COLOR (1U << 10)
#define VTE_RGB_COLOR_MASK(rb,gb,bb) (1U << ((rb) + (gb) + (bb)))
#define VTE_RGB_COLOR(bb,gb,rb,r,g,b) (VTE_RGB_COLOR_MASK(rb,gb,bb) | \
((((r) >> (8 - (rb))) & ((1U << (rb)) - 1U)) << ((gb) + (bb))) | \
((((g) >> (8 - (gb))) & ((1U << (gb)) - 1U)) << (bb)) | \
(((b) >> (8 - (bb))) & ((1U << (bb)) - 1U)))
#define VTE_RGB_COLOR_GET_COMPONENT(packed,shift,bits) \
((((packed) >> (shift)) & ((1U << (bits)) - 1U)) << (8 - bits) | ((1U << (8 - bits)) >> 1))
#define VTE_DEFAULT_FG 256
#define VTE_DEFAULT_BG 257
#define VTE_BOLD_FG 258
#define VTE_HIGHLIGHT_FG 259
#define VTE_HIGHLIGHT_BG 260
#define VTE_CURSOR_BG 261
#define VTE_CURSOR_FG 262
#define VTE_PALETTE_SIZE 263
#define VTE_SCROLLBACK_INIT 512
#define VTE_DEFAULT_CURSOR std::string{"text"}
#define VTE_MOUSING_CURSOR std::string{"default"}
#define VTE_HYPERLINK_CURSOR std::string{"pointer"}
#define VTE_HYPERLINK_CURSOR_DEBUG std::string{"crosshair"}
#define VTE_CHILD_INPUT_PRIORITY G_PRIORITY_DEFAULT_IDLE
#define VTE_CHILD_OUTPUT_PRIORITY G_PRIORITY_HIGH
#define VTE_MAX_INPUT_READ 0x1000
#define VTE_DISPLAY_TIMEOUT 10
#define VTE_UPDATE_TIMEOUT 15
#define VTE_UPDATE_REPEAT_TIMEOUT 30
#define VTE_MAX_PROCESS_TIME 100
#define VTE_CELL_BBOX_SLACK 1
#define VTE_DEFAULT_UTF8_AMBIGUOUS_WIDTH 1
#define VTE_UTF8_BPC (4) /* Maximum number of bytes used per UTF-8 character */
/* Keep in decreasing order of precedence. */
#define VTE_COLOR_SOURCE_ESCAPE 0
#define VTE_COLOR_SOURCE_API 1
#define VTE_FONT_SCALE_MIN (.25)
#define VTE_FONT_SCALE_MAX (4.)
#define VTE_CELL_SCALE_MIN (1.)
#define VTE_CELL_SCALE_MAX (2.)
/* Minimum time between two beeps (µs) */
#define VTE_BELL_MINIMUM_TIME_DIFFERENCE (100000)
/* Maximum length of a URI in the OSC 8 escape sequences. There's no de jure limit,
* 2000-ish the de facto standard, and Internet Explorer supports 2083.
* See also the comment of VTE_HYPERLINK_TOTAL_LENGTH_MAX. */
#define VTE_HYPERLINK_URI_LENGTH_MAX 2083
/* Maximum number of URIs in the ring for a given screen (as in "normal" vs "alternate" screen)
* at a time. Idx 0 is a placeholder for no hyperlink, URIs have indexes from 1 to
* VTE_HYPERLINK_COUNT_MAX inclusive, plus one more technical idx is also required, see below.
* This is just a safety cap because the number of URIs is bound by the number of cells in the ring
* (excluding the stream) which should be way lower than this at sane window sizes.
* Make sure there are enough bits to store them in VteCellAttr.hyperlink_idx.
* Also make sure _vte_ring_hyperlink_gc() can allocate a large enough bitmap. */
#define VTE_HYPERLINK_COUNT_MAX ((1 << 20) - 2)
/* Used when thawing a row from the stream in order to display it, to denote
* hyperlinks whose target is currently irrelevant.
* Make sure there are enough bits to store this in VteCellAttr.hyperlink_idx */
#define VTE_HYPERLINK_IDX_TARGET_IN_STREAM (VTE_HYPERLINK_COUNT_MAX + 1)
/* Max length allowed in the id= parameter of an OSC 8 sequence.
* See also the comment of VTE_HYPERLINK_TOTAL_LENGTH_MAX. */
#define VTE_HYPERLINK_ID_LENGTH_MAX 250
/* Max length of all the hyperlink data stored in the streams as a string.
* Currently the hyperlink data is the ID and URI and a separator in between.
* Make sure there are enough bits to store this in VteStreamCellAttr.hyperlink_length */
#define VTE_HYPERLINK_TOTAL_LENGTH_MAX (VTE_HYPERLINK_ID_LENGTH_MAX + 1 + VTE_HYPERLINK_URI_LENGTH_MAX)
/* Max length of title */
#define VTE_WINDOW_TITLE_MAX_LENGTH (1024)
/* Max depth of title stack */
#define VTE_WINDOW_TITLE_STACK_MAX_DEPTH (8)
/* Maximum length of a paragraph, in lines, that might get proper RingView (BiDi) treatment. */
#define VTE_RINGVIEW_PARAGRAPH_LENGTH_MAX 500
#define VTE_VERSION_NUMERIC ((VTE_MAJOR_VERSION) * 10000 + (VTE_MINOR_VERSION) * 100 + (VTE_MICRO_VERSION))
#define VTE_TERMINFO_NAME "xterm-256color"
#define VTE_SIXEL_ENABLED_DEFAULT false
#define VTE_SIXEL_MAX_WIDTH (2048)
#define VTE_SIXEL_MAX_HEIGHT (2052)
#define VTE_SIXEL_NUM_COLOR_REGISTERS (1024)
#define VTE_MIN_CURSOR_BLINK_CYCLE (50 /* ms */)
#define VTE_MIN_CURSOR_BLINK_TIMEOUT (50 /* ms */)
#define VTE_MIN_GRID_WIDTH (2) /* space for one wide character */
#define VTE_MIN_GRID_HEIGHT (1)
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