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mirror of https://github.com/qvacua/vimr.git synced 2024-11-28 11:35:35 +03:00
vimr/NvimView/NvimServer/server_ui.m
Tae Won Ha 751457e8be Rename
2018-02-24 21:24:44 +01:00

929 lines
26 KiB
Objective-C

/**
* Tae Won Ha - http://taewon.de - @hataewon
* See LICENSE
*/
#import <Foundation/Foundation.h>
#import "Logging.h"
#import "server_globals.h"
#import "NvimServer.h"
#import "CocoaCategories.h"
#import "DataWrapper.h"
#import "SharedTypes.h"
// FileInfo and Boolean are #defined by Carbon and NeoVim:
// Since we don't need the Carbon versions of them, we rename
// them.
#define FileInfo CarbonFileInfo
#define Boolean CarbonBoolean
#import <nvim/vim.h>
#import <nvim/api/vim.h>
#import <nvim/ui.h>
#import <nvim/ui_bridge.h>
#import <nvim/ex_getln.h>
#import <nvim/fileio.h>
#import <nvim/undo.h>
#import <nvim/mouse.h>
#import <nvim/screen.h>
#import <nvim/edit.h>
#import <nvim/syntax.h>
#import <nvim/aucmd.h>
#define pun_type(t, x) (*((t *) (&(x))))
static NSInteger _default_foreground = 0xFF000000;
static NSInteger _default_background = 0xFFFFFFFF;
static NSInteger _default_special = 0xFFFF0000;
typedef struct {
UIBridgeData *bridge;
Loop *loop;
bool stop;
} ServerUiData;
// We declare nvim_main because it's not declared in any header files of neovim
extern int nvim_main(int argc, char **argv);
// The thread in which neovim's main runs
static uv_thread_t _nvim_thread;
// Condition variable used by the XPC's init to wait till our custom UI initialization
// is finished inside neovim
static bool _is_ui_launched = false;
static uv_mutex_t _mutex;
static uv_cond_t _condition;
static ServerUiData *_server_ui_data;
static NSString *_marked_text = nil;
static NSInteger _marked_row = 0;
static NSInteger _marked_column = 0;
// for 하 -> hanja popup, Cocoa first inserts 하, then sets marked text,
// cf docs/notes-on-cocoa-text-input.md
static NSInteger _marked_delta = 0;
static NSInteger _put_row = -1;
static NSInteger _put_column = -1;
static NSString *_backspace = nil;
static bool _dirty = false;
static NSInteger _initialWidth = 30;
static NSInteger _initialHeight = 15;
static NSMutableArray <NSData *> *_render_data;
#pragma mark Helper functions
static inline String vim_string_from(NSString *str) {
return (String) { .data = (char *) str.cstr, .size = str.clength };
}
static void refresh_ui_screen(int type) {
update_screen(type);
setcursor();
ui_flush();
}
static bool has_dirty_docs() {
FOR_ALL_BUFFERS(buffer) {
if (bufIsChanged(buffer)) {
return true;
}
}
return false;
}
static void send_dirty_status() {
bool new_dirty_status = has_dirty_docs();
DLOG("dirty status: %d vs. %d", _dirty, new_dirty_status);
if (_dirty == new_dirty_status) {
return;
}
_dirty = new_dirty_status;
DLOG("sending dirty status: %d", _dirty);
NSData *data = [[NSData alloc] initWithBytes:&_dirty length:sizeof(bool)];
[_neovim_server sendMessageWithId:NvimServerMsgIdDirtyStatusChanged data:data];
[data release];
}
static void send_cwd() {
char_u *temp = xmalloc(MAXPATHL);
if (os_dirname(temp, MAXPATHL) == FAIL) {
xfree(temp);
[_neovim_server sendMessageWithId:NvimServerMsgIdCwdChanged];
}
NSString *pwd = [NSString stringWithCString:(const char *) temp encoding:NSUTF8StringEncoding];
xfree(temp);
NSData *resultData = [pwd dataUsingEncoding:NSUTF8StringEncoding];
[_neovim_server sendMessageWithId:NvimServerMsgIdCwdChanged data:resultData];
}
static HlAttrs HlAttrsFromAttrCode(int attr_code) {
HlAttrs *aep = syn_cterm_attr2entry(attr_code);
HlAttrs rgb_attrs = *aep;
return rgb_attrs;
}
static void add_to_render_data(RenderDataType type, NSData *data) {
NSMutableData *rData = [NSMutableData new];
[rData appendBytes:&type length:sizeof(RenderDataType)];
[rData appendData:data];
[_render_data addObject:rData];
[rData release];
}
static int foreground_for(HlAttrs attrs) {
int mask = attrs.rgb_ae_attr;
return mask & HL_INVERSE ? attrs.rgb_bg_color: attrs.rgb_fg_color;
}
static int background_for(HlAttrs attrs) {
int mask = attrs.rgb_ae_attr;
return mask & HL_INVERSE ? attrs.rgb_fg_color: attrs.rgb_bg_color;
}
static void send_colorscheme() {
// It seems that the highlight groupt only gets updated when the screen is redrawn.
// Since there's a guard var, probably it's safe to call it here...
if (need_highlight_changed) {
highlight_changed();
}
HlAttrs visualAttrs = HlAttrsFromAttrCode(highlight_attr[HLF_V]);
HlAttrs dirAttrs = HlAttrsFromAttrCode(highlight_attr[HLF_D]);
NSInteger values[] = {
normal_fg, normal_bg,
foreground_for(visualAttrs), background_for(visualAttrs),
foreground_for(dirAttrs),
};
NSData *resultData = [NSData dataWithBytes:values length:5 * sizeof(NSInteger)];
[_neovim_server sendMessageWithId:NvimServerMsgIdColorSchemeChanged data:resultData];
}
static void insert_marked_text(NSString *markedText) {
_marked_text = [markedText retain]; // release when the final text is input in -vimInput
nvim_input(vim_string_from(markedText));
}
static void delete_marked_text() {
NSUInteger length = [_marked_text lengthOfBytesUsingEncoding:NSUTF32StringEncoding] / 4;
[_marked_text release];
_marked_text = nil;
for (int i = 0; i < length; i++) {
nvim_input(vim_string_from(_backspace));
}
}
static void run_neovim(void *arg) {
int argc = 1;
char **argv;
@autoreleasepool {
NSArray<NSString *> *nvimArgs = (NSArray *) arg;
argc = (int) nvimArgs.count + 1;
argv = (char **) malloc((argc + 1) * sizeof(char *));
argv[0] = "nvim";
for (int i = 0; i < nvimArgs.count; i++) {
argv[i + 1] = (char *) nvimArgs[(NSUInteger) i].cstr;
}
[nvimArgs release]; // retained in start_neovim()
}
nvim_main(argc, argv);
free(argv);
}
static void set_ui_size(UIBridgeData *bridge, int width, int height) {
bridge->ui->width = width;
bridge->ui->height = height;
bridge->bridge.width = width;
bridge->bridge.height = height;
}
static void server_ui_scheduler(Event event, void *d) {
UI *ui = d;
ServerUiData *data = ui->data;
loop_schedule(data->loop, event);
}
static void server_ui_main(UIBridgeData *bridge, UI *ui) {
_render_data = [NSMutableArray new];
Loop loop;
loop_init(&loop, NULL);
_server_ui_data = xcalloc(1, sizeof(ServerUiData));
ui->data = _server_ui_data;
_server_ui_data->bridge = bridge;
_server_ui_data->loop = &loop;
set_ui_size(bridge, (int) _initialWidth, (int) _initialHeight);
_server_ui_data->stop = false;
CONTINUE(bridge);
uv_mutex_lock(&_mutex);
_is_ui_launched = true;
uv_cond_signal(&_condition);
uv_mutex_unlock(&_mutex);
while (!_server_ui_data->stop) {
loop_poll_events(&loop, -1);
}
ui_bridge_stopped(bridge);
loop_close(&loop, false);
xfree(_server_ui_data);
xfree(ui);
[_render_data release];
}
#pragma mark NeoVim's UI callbacks
static void server_ui_flush(UI *ui __unused) {
@autoreleasepool {
if (_render_data.count == 0) {
return;
}
[_neovim_server sendMessageWithId:NvimServerMsgIdFlush
data:[NSKeyedArchiver archivedDataWithRootObject:_render_data]];
[_render_data removeAllObjects];
}
}
static void server_ui_resize(UI *ui __unused, Integer width, Integer height) {
@autoreleasepool {
server_ui_flush(NULL);
NSInteger values[] = {width, height};
NSData *data = [[NSData alloc] initWithBytes:values length:(2 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdResize data:data];
[data release];
}
}
static void server_ui_clear(UI *ui __unused) {
@autoreleasepool {
server_ui_flush(NULL);
}
[_neovim_server sendMessageWithId:NvimServerMsgIdClear];
}
static void server_ui_eol_clear(UI *ui __unused) {
@autoreleasepool {
server_ui_flush(NULL);
}
[_neovim_server sendMessageWithId:NvimServerMsgIdEolClear];
}
static void server_ui_cursor_goto(UI *ui __unused, Integer row, Integer col) {
@autoreleasepool {
_put_row = row;
_put_column = col;
NSInteger values[] = {
row, col,
(NSInteger) curwin->w_cursor.lnum, curwin->w_cursor.col + 1
};
DLOG("%d:%d - %d:%d - %d:%d", values[0], values[1], values[2], values[3]);
NSData *data = [[NSData alloc] initWithBytes:values length:(4 * sizeof(NSInteger))];
add_to_render_data(RenderDataTypeGoto, data);
[data release];
}
}
static void server_ui_update_menu(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdSetMenu];
}
static void server_ui_busy_start(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdBusyStart];
}
static void server_ui_busy_stop(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdBusyStop];
}
static void server_ui_mouse_on(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdMouseOn];
}
static void server_ui_mouse_off(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdMouseOff];
}
static void server_ui_mode_info_set(UI *ui __unused, Boolean enabled __unused,
Array cursor_styles __unused) {
// yet noop
}
static void server_ui_mode_change(UI *ui __unused, String mode_str __unused, Integer mode) {
@autoreleasepool {
NSInteger value = mode;
NSData *data = [[NSData alloc] initWithBytes:&value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdModeChange data:data];
[data release];
}
}
static void server_ui_set_scroll_region(UI *ui __unused, Integer top, Integer bot,
Integer left, Integer right) {
@autoreleasepool {
server_ui_flush(NULL);
NSInteger values[] = {top, bot, left, right};
NSData *data = [[NSData alloc] initWithBytes:values length:(4 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetScrollRegion data:data];
[data release];
}
}
static void server_ui_scroll(UI *ui __unused, Integer count) {
@autoreleasepool {
server_ui_flush(NULL);
NSInteger value = count;
NSData *data = [[NSData alloc] initWithBytes:&value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdScroll data:data];
[data release];
}
}
static void server_ui_highlight_set(UI *ui __unused, HlAttrs attrs) {
FontTrait trait = FontTraitNone;
if (attrs.rgb_ae_attr & HL_ITALIC) {
trait |= FontTraitItalic;
}
if (attrs.rgb_ae_attr & HL_BOLD) {
trait |= FontTraitBold;
}
if (attrs.rgb_ae_attr & HL_UNDERLINE) {
trait |= FontTraitUnderline;
}
if (attrs.rgb_ae_attr & HL_UNDERCURL) {
trait |= FontTraitUndercurl;
}
CellAttributes cellAttrs;
cellAttrs.fontTrait = trait;
NSInteger fg = attrs.rgb_fg_color == -1 ? _default_foreground : attrs.rgb_fg_color;
NSInteger bg = attrs.rgb_bg_color == -1 ? _default_background : attrs.rgb_bg_color;
cellAttrs.foreground = attrs.rgb_ae_attr & HL_INVERSE ? bg : fg;
cellAttrs.background = attrs.rgb_ae_attr & HL_INVERSE ? fg : bg;
cellAttrs.special = attrs.rgb_sp_color == -1 ? _default_special : pun_type(unsigned int, attrs.rgb_sp_color);
@autoreleasepool {
NSData *data = [[NSData alloc] initWithBytes:&cellAttrs length:sizeof(CellAttributes)];
add_to_render_data(RenderDataTypeHighlight, data);
[data release];
}
}
static void server_ui_put(UI *ui __unused, String str) {
NSString *string = [[NSString alloc] initWithBytes:str.data
length:str.size
encoding:NSUTF8StringEncoding];
@autoreleasepool {
NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
if (_marked_text != nil && _marked_row == _put_row && _marked_column == _put_column) {
DLOG("putting marked text: '%s'", string.cstr);
add_to_render_data(RenderDataTypePutMarked, data);
} else if (_marked_text != nil
&& str.size == 0
&& _marked_row == _put_row
&& _marked_column == _put_column - 1) {
DLOG("putting marked text cuz zero");
add_to_render_data(RenderDataTypePutMarked, data);
} else {
DLOG("putting non-marked text: '%s'", string.cstr);
add_to_render_data(RenderDataTypePut, data);
}
_put_column += 1;
[string release];
}
}
static void server_ui_bell(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdBell];
}
static void server_ui_visual_bell(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdVisualBell];
}
static void server_ui_update_fg(UI *ui __unused, Integer fg) {
@autoreleasepool {
NSInteger value[1];
if (fg == -1) {
value[0] = _default_foreground;
NSData *data = [[NSData alloc] initWithBytes:value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetForeground data:data];
[data release];
return;
}
_default_foreground = fg;
value[0] = fg;
NSData *data = [[NSData alloc] initWithBytes:value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetForeground data:data];
[data release];
}
}
static void server_ui_update_bg(UI *ui __unused, Integer bg) {
@autoreleasepool {
NSInteger value[1];
if (bg == -1) {
value[0] = _default_background;
NSData *data = [[NSData alloc] initWithBytes:value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetBackground data:data];
[data release];
return;
}
_default_background = bg;
value[0] = bg;
NSData *data = [[NSData alloc] initWithBytes:value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetBackground data:data];
[data release];
}
}
static void server_ui_update_sp(UI *ui __unused, Integer sp) {
@autoreleasepool {
NSInteger value[2];
if (sp == -1) {
value[0] = _default_special;
NSData *data = [[NSData alloc] initWithBytes:&value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetSpecial data:data];
[data release];
return;
}
_default_special = sp;
value[0] = sp;
NSData *data = [[NSData alloc] initWithBytes:&value length:(1 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetSpecial data:data];
[data release];
}
}
static void server_ui_default_colors_set(
UI *ui __unused, Integer rgb_fg, Integer rgb_bg, Integer rgb_sp, Integer cterm_fg, Integer cterm_bg
) {
if (rgb_fg != -1) {
_default_foreground = rgb_fg;
}
if (rgb_bg != -1) {
_default_background = rgb_bg;
}
if (rgb_sp != -1) {
_default_special = rgb_sp;
}
NSInteger values[] = { rgb_fg, rgb_bg, rgb_sp };
NSData *resultData = [NSData dataWithBytes:values length:3 * sizeof(NSInteger)];
[_neovim_server sendMessageWithId:NvimServerMsgIdDefaultColorsChanged data:resultData];
}
static void server_ui_set_title(UI *ui __unused, String title) {
@autoreleasepool {
if (title.size == 0) {
return;
}
NSString *string = [[NSString alloc] initWithCString:title.data encoding:NSUTF8StringEncoding];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetTitle
data:[string dataUsingEncoding:NSUTF8StringEncoding]];
[string release];
}
}
static void server_ui_set_icon(UI *ui __unused, String icon) {
@autoreleasepool {
if (icon.size == 0) {
return;
}
NSString *string = [[NSString alloc] initWithCString:icon.data encoding:NSUTF8StringEncoding];
[_neovim_server sendMessageWithId:NvimServerMsgIdSetIcon
data:[string dataUsingEncoding:NSUTF8StringEncoding]];
[string release];
}
}
static void server_ui_option_set(UI *ui __unused, String name, Object value) {
// yet noop
// FIXME: implement before nvim 0.2.3 is released...
}
static void server_ui_stop(UI *ui __unused) {
[_neovim_server sendMessageWithId:NvimServerMsgIdStop];
ServerUiData *data = (ServerUiData *) ui->data;
data->stop = true;
}
#pragma mark Public
// called by neovim
void custom_ui_start(void) {
UI *ui = xcalloc(1, sizeof(UI));
ui->rgb = true;
ui->stop = server_ui_stop;
ui->resize = server_ui_resize;
ui->clear = server_ui_clear;
ui->eol_clear = server_ui_eol_clear;
ui->cursor_goto = server_ui_cursor_goto;
ui->update_menu = server_ui_update_menu;
ui->busy_start = server_ui_busy_start;
ui->busy_stop = server_ui_busy_stop;
ui->mouse_on = server_ui_mouse_on;
ui->mouse_off = server_ui_mouse_off;
ui->mode_info_set = server_ui_mode_info_set;
ui->mode_change = server_ui_mode_change;
ui->set_scroll_region = server_ui_set_scroll_region;
ui->scroll = server_ui_scroll;
ui->highlight_set = server_ui_highlight_set;
ui->default_colors_set = server_ui_default_colors_set;
ui->put = server_ui_put;
ui->bell = server_ui_bell;
ui->visual_bell = server_ui_visual_bell;
ui->update_fg = server_ui_update_fg;
ui->update_bg = server_ui_update_bg;
ui->update_sp = server_ui_update_sp;
ui->flush = server_ui_flush;
ui->suspend = NULL;
ui->set_title = server_ui_set_title;
ui->set_icon = server_ui_set_icon;
ui->option_set = server_ui_option_set;
ui_bridge_attach(ui, server_ui_main, server_ui_scheduler);
}
void custom_ui_autocmds_groups(
event_T event,
char_u *fname __unused,
char_u *fname_io __unused,
int group __unused,
bool force __unused,
buf_T *buf,
exarg_T *eap __unused
) {
// We don't need these events in the UI (yet) and they slow down scrolling: Enable them,
// if necessary, only after optimizing the scrolling.
if (event == EVENT_CURSORMOVED || event == EVENT_CURSORMOVEDI) {
return;
}
@autoreleasepool {
DLOG("got event %d for file %s in group %d.", event, fname, group);
if (event == EVENT_DIRCHANGED) {
send_cwd();
return;
}
if (event == EVENT_COLORSCHEME) {
send_colorscheme();
return;
}
if (event == EVENT_TEXTCHANGED
|| event == EVENT_TEXTCHANGEDI
|| event == EVENT_BUFWRITEPOST
|| event == EVENT_BUFLEAVE)
{
send_dirty_status();
}
NSInteger eventCode = (NSInteger) event;
NSMutableData *data;
if (buf == NULL) {
data = [[NSMutableData alloc] initWithBytes:&eventCode length:sizeof(NSInteger)];
} else {
NSInteger bufHandle = buf->handle;
data = [[NSMutableData alloc] initWithCapacity:(sizeof(NSInteger) + sizeof(NSInteger))];
[data appendBytes:&eventCode length:sizeof(NSInteger)];
[data appendBytes:&bufHandle length:sizeof(NSInteger)];
}
[_neovim_server sendMessageWithId:NvimServerMsgIdAutoCommandEvent data:data];
[data release];
}
}
#pragma mark Other help functions
void start_neovim(NSInteger width, NSInteger height, NSArray<NSString *> *args) {
_initialWidth = width;
_initialHeight = height;
// set $VIMRUNTIME to ${RESOURCE_PATH_OF_XPC_BUNDLE}/runtime
NSString *bundlePath = [NSBundle bundleForClass:[NvimServer class]].bundlePath;
NSString *resourcesPath = [bundlePath.stringByDeletingLastPathComponent
stringByAppendingPathComponent:@"Resources"];
NSString *runtimePath = [resourcesPath stringByAppendingPathComponent:@"runtime"];
setenv("VIMRUNTIME", runtimePath.fileSystemRepresentation, true);
// Set $LANG to en_US.UTF-8 such that the copied text to the system clipboard is not garbled.
setenv("LANG", "en_US.UTF-8", true);
uv_mutex_init(&_mutex);
uv_cond_init(&_condition);
uv_thread_create(&_nvim_thread, run_neovim, [args retain]); // released in run_neovim()
DLOG("NeoVim started");
// continue only after our UI main code for neovim has been fully initialized
uv_mutex_lock(&_mutex);
while (!_is_ui_launched) {
uv_cond_wait(&_condition, &_mutex);
}
uv_mutex_unlock(&_mutex);
uv_cond_destroy(&_condition);
uv_mutex_destroy(&_mutex);
_backspace = [[NSString alloc] initWithString:@"<BS>"];
bool value = msg_didany > 0;
NSData *data = [[NSData alloc] initWithBytes:&value length:sizeof(bool)];
[_neovim_server sendMessageWithId:NvimServerMsgIdNvimReady data:data];
[data release];
}
#pragma mark Functions for neovim's main loop
typedef NSData *(^work_block)(NSData *);
static void work_and_write_data_sync(void **argv, work_block block) {
@autoreleasepool {
NSCondition *outputCondition = argv[1];
[outputCondition lock];
NSData *data = argv[0];
DataWrapper *wrapper = argv[2];
wrapper.data = block(data);
wrapper.dataReady = YES;
[data release]; // retained in local_server_callback
[outputCondition signal];
[outputCondition unlock];
}
}
//static void work_async(void **argv, work_block block) {
// @autoreleasepool {
// NSData *data = argv[0];
// block(data);
// [data release]; // retained in local_server_callback
// }
//}
static NSString *escaped_filename(NSString *filename) {
const char *file_system_rep = filename.fileSystemRepresentation;
char *escaped_filename = vim_strsave_fnameescape(file_system_rep, 0);
NSString *result = [NSString stringWithCString:(const char *) escaped_filename
encoding:NSUTF8StringEncoding];
xfree(escaped_filename);
return result;
}
void neovim_scroll(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
NSInteger *values = (NSInteger *) data.bytes;
int horiz = (int) values[0];
int vert = (int) values[1];
int row = (int) values[2];
int column = (int) values[3];
if (horiz == 0 && vert == 0) {
return nil;
}
if (row < 0 || column < 0) {
row = 0;
column = 0;
}
// value > 0 => down or right
int horizDir;
int vertDir;
if (horiz != 0) {
horizDir = horiz > 0 ? MSCR_RIGHT: MSCR_LEFT;
custom_ui_scroll(horizDir, ABS(horiz), row, column);
}
if (vert != 0) {
vertDir = vert > 0 ? MSCR_DOWN: MSCR_UP;
custom_ui_scroll(vertDir, ABS(vert), row, column);
}
refresh_ui_screen(VALID);
return nil;
});
}
void neovim_escaped_filenames(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
NSArray *fileNames = [NSKeyedUnarchiver unarchiveObjectWithData:data];
NSMutableArray *result = [NSMutableArray new];
[fileNames enumerateObjectsUsingBlock:^(NSString* fileName, NSUInteger idx, BOOL *stop) {
[result addObject:escaped_filename(fileName)];
}];
return [NSKeyedArchiver archivedDataWithRootObject:result];
});
}
void neovim_resize(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
const NSInteger *values = data.bytes;
NSInteger width = values[0];
NSInteger height = values[1];
set_ui_size(_server_ui_data->bridge, (int) width, (int) height);
ui_refresh();
return nil;
});
}
void neovim_vim_input(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
NSString *input = [[[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding] autorelease];
if (_marked_text == nil) {
nvim_input(vim_string_from(input));
return nil;
}
// Handle cases like ㅎ -> arrow key: The previously marked text is the same as the finalized
// text which should inserted. Neovim's drawing code is optimized such that it does not call
// put in this case again, thus, we have to manually unmark the cells in the main app.
if ([_marked_text isEqualToString:input]) {
DLOG("unmarking text: '%s'\t now at %d:%d", input.cstr, _put_row, _put_column);
const char *str = _marked_text.cstr;
size_t cellCount = mb_string2cells((const char_u *) str);
for (int i = 1; i <= cellCount; i++) {
DLOG("unmarking at %d:%d", _put_row, _put_column - i);
NSInteger values[] = {_put_row, MAX(_put_column - i, 0)};
NSData *unmarkData = [[NSData alloc] initWithBytes:values length:(2 * sizeof(NSInteger))];
[_neovim_server sendMessageWithId:NvimServerMsgIdUnmark data:unmarkData];
[unmarkData release];
}
}
delete_marked_text();
nvim_input(vim_string_from(input));
return nil;
});
}
void neovim_vim_input_marked_text(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
NSString *markedText = [[[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding] autorelease];
if (_marked_text == nil) {
_marked_row = _put_row;
_marked_column = _put_column + _marked_delta;
DLOG(
"marking position: %d:%d(%d + %d)", _put_row, _marked_column, _put_column, _marked_delta
);
_marked_delta = 0;
} else {
delete_marked_text();
}
DLOG("inserting marked text '%s' at %d:%d", markedText.cstr, _put_row, _put_column);
insert_marked_text(markedText);
return nil;
});
}
void neovim_delete(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
const NSInteger *values = data.bytes;
NSInteger count = values[0];
_marked_delta = 0;
// Very ugly: When we want to have the Hanja for 하, Cocoa first finalizes 하, then sets
// the Hanja as marked text. The main app will call this method when this happens,
// thus compute how many cell we have to go backward to correctly
// mark the will-be-soon-inserted Hanja... See also docs/notes-on-cocoa-text-input.md
int emptyCounter = 0;
for (int i = 0; i < count; i++) {
_marked_delta -= 1;
// TODO: -1 because we assume that the cursor is one cell ahead,
// probably not always correct...
schar_T character = ScreenLines[_put_row * screen_Rows + _put_column - i - emptyCounter - 1];
if (character == 0x00 || character == ' ') {
// FIXME: dunno yet, why we have to also match ' '...
_marked_delta -= 1;
emptyCounter += 1;
}
}
DLOG("put cursor: %d:%d, count: %li, delta: %d", _put_row, _put_column, count, _marked_delta);
for (int i = 0; i < count; i++) {
nvim_input(vim_string_from(_backspace));
}
return nil;
});
}
void neovim_focus_gained(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
const bool *values = data.bytes;
aucmd_schedule_focusgained(values[0]);
return nil;
});
}
void neovim_debug1(void **argv) {
work_and_write_data_sync(argv, ^NSData *(NSData *data) {
NSLog(@"normal fg: %#08X", normal_fg);
NSLog(@"normal bg: %#08X", normal_bg);
NSLog(@"normal sp: %#08X", normal_sp);
for (int i = 0; i < HLF_COUNT; i++) {
NSLog(@"%s: %#08X", hlf_names[i], HlAttrsFromAttrCode(highlight_attr[i]).rgb_fg_color);
}
return nil;
});
}