mirror of
https://github.com/neovim/neovim.git
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ce597235a2
Problem:
has('gui_running') is still common in the wild and our answer has
changed over time, causing frustration.
95a6ccbe9f
Solution:
Use stdin_tty/stdout_tty to decide if a UI is (not) a GUI.
131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
#ifndef NVIM_UI_H
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#define NVIM_UI_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "nvim/api/private/defs.h"
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#include "nvim/event/multiqueue.h"
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#include "nvim/globals.h"
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#include "nvim/highlight_defs.h"
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#include "nvim/macros.h"
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#include "nvim/memory.h"
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#include "nvim/types.h"
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struct ui_t;
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typedef enum {
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kUICmdline = 0,
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kUIPopupmenu,
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kUITabline,
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kUIWildmenu,
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kUIMessages,
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#define kUIGlobalCount kUILinegrid
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kUILinegrid,
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kUIMultigrid,
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kUIHlState,
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kUITermColors,
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kUIFloatDebug,
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kUIExtCount,
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} UIExtension;
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EXTERN const char *ui_ext_names[] INIT(= {
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"ext_cmdline",
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"ext_popupmenu",
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"ext_tabline",
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"ext_wildmenu",
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"ext_messages",
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"ext_linegrid",
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"ext_multigrid",
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"ext_hlstate",
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"ext_termcolors",
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"_debug_float",
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});
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typedef struct ui_t UI;
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enum {
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kLineFlagWrap = 1,
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kLineFlagInvalid = 2,
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};
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typedef int LineFlags;
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typedef struct {
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uint64_t channel_id;
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#define UI_BUF_SIZE 4096 ///< total buffer size for pending msgpack data.
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/// guaranteed size available for each new event (so packing of simple events
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/// and the header of grid_line will never fail)
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#define EVENT_BUF_SIZE 256
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char buf[UI_BUF_SIZE]; ///< buffer of packed but not yet sent msgpack data
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char *buf_wptr; ///< write head of buffer
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const char *cur_event; ///< name of current event (might get multiple arglists)
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Array call_buf; ///< buffer for constructing a single arg list (max 16 elements!)
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// state for write_cb, while packing a single arglist to msgpack. This
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// might fail due to buffer overflow.
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size_t pack_totlen;
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bool buf_overflow;
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char *temp_buf;
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// We start packing the two outermost msgpack arrays before knowing the total
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// number of elements. Thus track the location where array size will need
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// to be written in the msgpack buffer, once the specific array is finished.
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char *nevents_pos;
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char *ncalls_pos;
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uint32_t nevents; ///< number of distinct events (top-level args to "redraw"
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uint32_t ncalls; ///< number of calls made to the current event (plus one for the name!)
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bool flushed_events; ///< events where sent to client without "flush" event
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size_t ncells_pending; ///< total number of cells since last buffer flush
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int hl_id; // Current highlight for legacy put event.
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Integer cursor_row, cursor_col; // Intended visible cursor position.
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// Position of legacy cursor, used both for drawing and visible user cursor.
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Integer client_row, client_col;
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bool wildmenu_active;
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} UIData;
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struct ui_t {
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bool rgb;
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bool override; ///< Force highest-requested UI capabilities.
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bool composed;
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bool ui_ext[kUIExtCount]; ///< Externalized UI capabilities.
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int width;
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int height;
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int pum_nlines; /// actual nr. lines shown in PUM
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bool pum_pos; /// UI reports back pum position?
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double pum_row;
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double pum_col;
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double pum_height;
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double pum_width;
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// TUI fields.
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char *term_name;
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char *term_background;
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int term_colors;
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bool stdin_tty;
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bool stdout_tty;
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// TODO(bfredl): integrate into struct!
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UIData data[1];
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};
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typedef struct ui_event_callback {
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LuaRef cb;
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bool ext_widgets[kUIGlobalCount];
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} UIEventCallback;
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// uncrustify:off
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#ifdef INCLUDE_GENERATED_DECLARATIONS
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# include "ui.h.generated.h"
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# include "ui_events_call.h.generated.h"
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#endif
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// uncrustify:on
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EXTERN MultiQueue *resize_events;
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#endif // NVIM_UI_H
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