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48e2a73610
Problem: Prompts are emitted as messages events, where cmdline events
are more appropriate. The user input is also emitted as
message events in fast context, so cannot be displayed with
vim.ui_attach().
Solution: Prompt for user input through cmdline prompts.
71 lines
2.9 KiB
C
71 lines
2.9 KiB
C
#pragma once
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#include <stdbool.h>
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#include "klib/kvec.h"
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#include "nvim/cmdexpand_defs.h"
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/// Command-line colors: one chunk
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///
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/// Defines a region which has the same highlighting.
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typedef struct {
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int start; ///< Colored chunk start.
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int end; ///< Colored chunk end (exclusive, > start).
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int hl_id; ///< Highlight id.
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} CmdlineColorChunk;
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/// Command-line colors
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///
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/// Holds data about all colors.
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typedef kvec_t(CmdlineColorChunk) CmdlineColors;
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/// Command-line coloring
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///
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/// Holds both what are the colors and what have been colored. Latter is used to
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/// suppress unnecessary calls to coloring callbacks.
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typedef struct {
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unsigned prompt_id; ///< ID of the prompt which was colored last.
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char *cmdbuff; ///< What exactly was colored last time or NULL.
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CmdlineColors colors; ///< Last colors.
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} ColoredCmdline;
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/// Keeps track how much state must be sent to external ui.
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typedef enum {
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kCmdRedrawNone,
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kCmdRedrawPos,
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kCmdRedrawAll,
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} CmdRedraw;
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/// Variables shared between getcmdline(), redrawcmdline() and others.
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/// These need to be saved when using CTRL-R |, that's why they are in a
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/// structure.
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typedef struct cmdline_info CmdlineInfo;
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struct cmdline_info {
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char *cmdbuff; ///< pointer to command line buffer
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int cmdbufflen; ///< length of cmdbuff
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int cmdlen; ///< number of chars in command line
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int cmdpos; ///< current cursor position
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int cmdspos; ///< cursor column on screen
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int cmdfirstc; ///< ':', '/', '?', '=', '>' or NUL
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int cmdindent; ///< number of spaces before cmdline
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char *cmdprompt; ///< message in front of cmdline
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int hl_id; ///< highlight id for prompt
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int overstrike; ///< Typing mode on the command line. Shared by
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///< getcmdline() and put_on_cmdline().
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expand_T *xpc; ///< struct being used for expansion, xp_pattern
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///< may point into cmdbuff
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int xp_context; ///< type of expansion
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char *xp_arg; ///< user-defined expansion arg
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int input_fn; ///< when true Invoked for input() function
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unsigned prompt_id; ///< Prompt number, used to disable coloring on errors.
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Callback highlight_callback; ///< Callback used for coloring user input.
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ColoredCmdline last_colors; ///< Last cmdline colors
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int level; ///< current cmdline level
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CmdlineInfo *prev_ccline; ///< pointer to saved cmdline state
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char special_char; ///< last putcmdline char (used for redraws)
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bool special_shift; ///< shift of last putcmdline char
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CmdRedraw redraw_state; ///< needed redraw for external cmdline
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bool one_key; ///< return after one key press for button prompt
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bool *mouse_used; ///< mouse clicked in prompt
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};
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