Revert "tui: Move ui_bridge module to tui/ namespace."

ui_bridge.c is useful for libnvim consumers, not just the built-in TUI.

This reverts commit beb2e4f095583af09ebe9c66e3bf453b61511f23.

3 files changed, 1 insertions, 414 deletions

diff --git a/src/nvim/tui/tui.c b/src/nvim/tui/tui.c
index f03d8b87fa..f252b00be2 100644
--- a/src/nvim/tui/tui.c
+++ b/src/nvim/tui/tui.c
@@ -22,10 +22,10 @@
 #include "nvim/os/input.h"
 #include "nvim/os/os.h"
 #include "nvim/strings.h"
+#include "nvim/ui_bridge.h"
 #include "nvim/ugrid.h"
 #include "nvim/tui/input.h"
 #include "nvim/tui/tui.h"
-#include "nvim/tui/ui_bridge.h"
 
 // Space reserved in the output buffer to restore the cursor to normal when
 // flushing. No existing terminal will require 32 bytes to do that.
diff --git a/src/nvim/tui/ui_bridge.c b/src/nvim/tui/ui_bridge.c
deleted file mode 100644
index 48f4b1bda6..0000000000
--- a/src/nvim/tui/ui_bridge.c
+++ /dev/null
@@ -1,369 +0,0 @@
-// UI wrapper for the built-in TUI. Sends UI requests to the TUI thread.
-
-#include <assert.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <limits.h>
-
-#include "nvim/main.h"
-#include "nvim/vim.h"
-#include "nvim/ui.h"
-#include "nvim/memory.h"
-#include "nvim/ugrid.h"
-#include "nvim/tui/ui_bridge.h"
-
-#ifdef INCLUDE_GENERATED_DECLARATIONS
-# include "tui/ui_bridge.c.generated.h"
-#endif
-
-#define UI(b) (((UIBridgeData *)b)->ui)
-
-// Call a function in the UI thread
-#define UI_CALL(ui, name, argc, ...) \
-  ((UIBridgeData *)ui)->scheduler( \
-      event_create(1, ui_bridge_##name##_event, argc, __VA_ARGS__), UI(ui))
-
-#define INT2PTR(i) ((void *)(uintptr_t)i)
-#define PTR2INT(p) ((int)(uintptr_t)p)
-
-UI *ui_bridge_attach(UI *ui, ui_main_fn ui_main, event_scheduler scheduler)
-{
-  UIBridgeData *rv = xcalloc(1, sizeof(UIBridgeData));
-  rv->ui = ui;
-  rv->bridge.rgb = ui->rgb;
-  rv->bridge.pum_external = ui->pum_external;
-  rv->bridge.stop = ui_bridge_stop;
-  rv->bridge.resize = ui_bridge_resize;
-  rv->bridge.clear = ui_bridge_clear;
-  rv->bridge.eol_clear = ui_bridge_eol_clear;
-  rv->bridge.cursor_goto = ui_bridge_cursor_goto;
-  rv->bridge.update_menu = ui_bridge_update_menu;
-  rv->bridge.busy_start = ui_bridge_busy_start;
-  rv->bridge.busy_stop = ui_bridge_busy_stop;
-  rv->bridge.mouse_on = ui_bridge_mouse_on;
-  rv->bridge.mouse_off = ui_bridge_mouse_off;
-  rv->bridge.mode_change = ui_bridge_mode_change;
-  rv->bridge.set_scroll_region = ui_bridge_set_scroll_region;
-  rv->bridge.scroll = ui_bridge_scroll;
-  rv->bridge.highlight_set = ui_bridge_highlight_set;
-  rv->bridge.put = ui_bridge_put;
-  rv->bridge.bell = ui_bridge_bell;
-  rv->bridge.visual_bell = ui_bridge_visual_bell;
-  rv->bridge.update_fg = ui_bridge_update_fg;
-  rv->bridge.update_bg = ui_bridge_update_bg;
-  rv->bridge.update_sp = ui_bridge_update_sp;
-  rv->bridge.flush = ui_bridge_flush;
-  rv->bridge.suspend = ui_bridge_suspend;
-  rv->bridge.set_title = ui_bridge_set_title;
-  rv->bridge.set_icon = ui_bridge_set_icon;
-  rv->scheduler = scheduler;
-
-  rv->ui_main = ui_main;
-  uv_mutex_init(&rv->mutex);
-  uv_cond_init(&rv->cond);
-  uv_mutex_lock(&rv->mutex);
-  rv->ready = false;
-
-  if (uv_thread_create(&rv->ui_thread, ui_thread_run, rv)) {
-    abort();
-  }
-
-  while (!rv->ready) {
-    uv_cond_wait(&rv->cond, &rv->mutex);
-  }
-  uv_mutex_unlock(&rv->mutex);
-
-  ui_attach_impl(&rv->bridge);
-  return &rv->bridge;
-}
-
-void ui_bridge_stopped(UIBridgeData *bridge)
-{
-  uv_mutex_lock(&bridge->mutex);
-  bridge->stopped = true;
-  uv_mutex_unlock(&bridge->mutex);
-}
-
-static void ui_thread_run(void *data)
-{
-  UIBridgeData *bridge = data;
-  bridge->ui_main(bridge, bridge->ui);
-}
-
-static void ui_bridge_stop(UI *b)
-{
-  UIBridgeData *bridge = (UIBridgeData *)b;
-  bool stopped = bridge->stopped = false;
-  UI_CALL(b, stop, 1, b);
-  for (;;) {
-    uv_mutex_lock(&bridge->mutex);
-    stopped = bridge->stopped;
-    uv_mutex_unlock(&bridge->mutex);
-    if (stopped) {
-      break;
-    }
-    loop_poll_events(&main_loop, 10);
-  }
-  uv_thread_join(&bridge->ui_thread);
-  uv_mutex_destroy(&bridge->mutex);
-  uv_cond_destroy(&bridge->cond);
-  ui_detach_impl(b);
-  xfree(b);
-}
-static void ui_bridge_stop_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->stop(ui);
-}
-
-static void ui_bridge_resize(UI *b, int width, int height)
-{
-  UI_CALL(b, resize, 3, b, INT2PTR(width), INT2PTR(height));
-}
-static void ui_bridge_resize_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->resize(ui, PTR2INT(argv[1]), PTR2INT(argv[2]));
-}
-
-static void ui_bridge_clear(UI *b)
-{
-  UI_CALL(b, clear, 1, b);
-}
-static void ui_bridge_clear_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->clear(ui);
-}
-
-static void ui_bridge_eol_clear(UI *b)
-{
-  UI_CALL(b, eol_clear, 1, b);
-}
-static void ui_bridge_eol_clear_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->eol_clear(ui);
-}
-
-static void ui_bridge_cursor_goto(UI *b, int row, int col)
-{
-  UI_CALL(b, cursor_goto, 3, b, INT2PTR(row), INT2PTR(col));
-}
-static void ui_bridge_cursor_goto_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->cursor_goto(ui, PTR2INT(argv[1]), PTR2INT(argv[2]));
-}
-
-static void ui_bridge_update_menu(UI *b)
-{
-  UI_CALL(b, update_menu, 1, b);
-}
-static void ui_bridge_update_menu_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->update_menu(ui);
-}
-
-static void ui_bridge_busy_start(UI *b)
-{
-  UI_CALL(b, busy_start, 1, b);
-}
-static void ui_bridge_busy_start_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->busy_start(ui);
-}
-
-static void ui_bridge_busy_stop(UI *b)
-{
-  UI_CALL(b, busy_stop, 1, b);
-}
-static void ui_bridge_busy_stop_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->busy_stop(ui);
-}
-
-static void ui_bridge_mouse_on(UI *b)
-{
-  UI_CALL(b, mouse_on, 1, b);
-}
-static void ui_bridge_mouse_on_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->mouse_on(ui);
-}
-
-static void ui_bridge_mouse_off(UI *b)
-{
-  UI_CALL(b, mouse_off, 1, b);
-}
-static void ui_bridge_mouse_off_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->mouse_off(ui);
-}
-
-static void ui_bridge_mode_change(UI *b, int mode)
-{
-  UI_CALL(b, mode_change, 2, b, INT2PTR(mode));
-}
-static void ui_bridge_mode_change_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->mode_change(ui, PTR2INT(argv[1]));
-}
-
-static void ui_bridge_set_scroll_region(UI *b, int top, int bot, int left,
-    int right)
-{
-  UI_CALL(b, set_scroll_region, 5, b, INT2PTR(top), INT2PTR(bot),
-      INT2PTR(left), INT2PTR(right));
-}
-static void ui_bridge_set_scroll_region_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->set_scroll_region(ui, PTR2INT(argv[1]), PTR2INT(argv[2]),
-      PTR2INT(argv[3]), PTR2INT(argv[4]));
-}
-
-static void ui_bridge_scroll(UI *b, int count)
-{
-  UI_CALL(b, scroll, 2, b, INT2PTR(count));
-}
-static void ui_bridge_scroll_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->scroll(ui, PTR2INT(argv[1]));
-}
-
-static void ui_bridge_highlight_set(UI *b, HlAttrs attrs)
-{
-  HlAttrs *a = xmalloc(sizeof(HlAttrs));
-  *a = attrs;
-  UI_CALL(b, highlight_set, 2, b, a);
-}
-static void ui_bridge_highlight_set_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->highlight_set(ui, *((HlAttrs *)argv[1]));
-  xfree(argv[1]);
-}
-
-static void ui_bridge_put(UI *b, uint8_t *text, size_t size)
-{
-  uint8_t *t = NULL;
-  if (text) {
-    t = xmalloc(sizeof(((UCell *)0)->data));
-    memcpy(t, text, size);
-  }
-  UI_CALL(b, put, 3, b, t, INT2PTR(size));
-}
-static void ui_bridge_put_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->put(ui, (uint8_t *)argv[1], (size_t)(uintptr_t)argv[2]);
-  xfree(argv[1]);
-}
-
-static void ui_bridge_bell(UI *b)
-{
-  UI_CALL(b, bell, 1, b);
-}
-static void ui_bridge_bell_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->bell(ui);
-}
-
-static void ui_bridge_visual_bell(UI *b)
-{
-  UI_CALL(b, visual_bell, 1, b);
-}
-static void ui_bridge_visual_bell_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->visual_bell(ui);
-}
-
-static void ui_bridge_update_fg(UI *b, int fg)
-{
-  UI_CALL(b, update_fg, 2, b, INT2PTR(fg));
-}
-static void ui_bridge_update_fg_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->update_fg(ui, PTR2INT(argv[1]));
-}
-
-static void ui_bridge_update_bg(UI *b, int bg)
-{
-  UI_CALL(b, update_bg, 2, b, INT2PTR(bg));
-}
-static void ui_bridge_update_bg_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->update_bg(ui, PTR2INT(argv[1]));
-}
-
-static void ui_bridge_update_sp(UI *b, int sp)
-{
-  UI_CALL(b, update_sp, 2, b, INT2PTR(sp));
-}
-static void ui_bridge_update_sp_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->update_sp(ui, PTR2INT(argv[1]));
-}
-
-static void ui_bridge_flush(UI *b)
-{
-  UI_CALL(b, flush, 1, b);
-}
-static void ui_bridge_flush_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->flush(ui);
-}
-
-static void ui_bridge_suspend(UI *b)
-{
-  UIBridgeData *data = (UIBridgeData *)b;
-  uv_mutex_lock(&data->mutex);
-  UI_CALL(b, suspend, 1, b);
-  data->ready = false;
-  // suspend the main thread until CONTINUE is called by the UI thread
-  while (!data->ready) {
-    uv_cond_wait(&data->cond, &data->mutex);
-  }
-  uv_mutex_unlock(&data->mutex);
-}
-static void ui_bridge_suspend_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->suspend(ui);
-}
-
-static void ui_bridge_set_title(UI *b, char *title)
-{
-  UI_CALL(b, set_title, 2, b, title ? xstrdup(title) : NULL);
-}
-static void ui_bridge_set_title_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->set_title(ui, argv[1]);
-  xfree(argv[1]);
-}
-
-static void ui_bridge_set_icon(UI *b, char *icon)
-{
-  UI_CALL(b, set_icon, 2, b, icon ? xstrdup(icon) : NULL);
-}
-static void ui_bridge_set_icon_event(void **argv)
-{
-  UI *ui = UI(argv[0]);
-  ui->set_icon(ui, argv[1]);
-  xfree(argv[1]);
-}
diff --git a/src/nvim/tui/ui_bridge.h b/src/nvim/tui/ui_bridge.h
deleted file mode 100644
index 003ed3c2c1..0000000000
--- a/src/nvim/tui/ui_bridge.h
+++ /dev/null
@@ -1,44 +0,0 @@
-// Bridge used for communication between a builtin UI thread and nvim core
-#ifndef NVIM_TUI_UI_BRIDGE_H
-#define NVIM_TUI_UI_BRIDGE_H
-
-#include <uv.h>
-
-#include "nvim/ui.h"
-#include "nvim/event/defs.h"
-
-typedef struct ui_bridge_data UIBridgeData;
-typedef void(*ui_main_fn)(UIBridgeData *bridge, UI *ui);
-struct ui_bridge_data {
-  UI bridge;  // actual UI passed to ui_attach
-  UI *ui;     // UI pointer that will have its callback called in
-              // another thread
-  event_scheduler scheduler;
-  uv_thread_t ui_thread;
-  ui_main_fn ui_main;
-  uv_mutex_t mutex;
-  uv_cond_t cond;
-  // When the UI thread is called, the main thread will suspend until
-  // the call returns. This flag is used as a condition for the main
-  // thread to continue.
-  bool ready;
-  // When a stop request is sent from the main thread, it must wait until the UI
-  // thread finishes handling all events. This flag is set by the UI thread as a
-  // signal that it will no longer send messages to the main thread.
-  bool stopped;
-};
-
-#define CONTINUE(b) \
-  do { \
-    UIBridgeData *d = (UIBridgeData *)b; \
-    uv_mutex_lock(&d->mutex); \
-    d->ready = true; \
-    uv_cond_signal(&d->cond); \
-    uv_mutex_unlock(&d->mutex); \
-  } while (0)
-
-
-#ifdef INCLUDE_GENERATED_DECLARATIONS
-# include "tui/ui_bridge.h.generated.h"
-#endif
-#endif  // NVIM_TUI_UI_BRIDGE_H