summaryrefslogtreecommitdiff
path: root/main.c
blob: 894ed8522404b486a983cbcca093437cc8ce7308 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
// @TODO:
// - ensure buffer->filename never contains / on windows
// - split
// - Windows installation
#include "base.h"
no_warn_start
#if _WIN32
#include <SDL.h>
#else
#include <SDL2/SDL.h>
#endif
no_warn_end
#include <GL/gl.h>
#include <locale.h>
#include <wctype.h>
#if _WIN32
#include <shellapi.h>
#endif

#include "unicode.h"
#if DEBUG
#include "text.h"
#else
#include "text.c"
#endif
#include "util.c"
#define MATH_GL
#include "math.c"
#if _WIN32
#include "filesystem-win.c"
#elif __unix__
#include "filesystem-posix.c"
#else
#error "Unrecognized operating system."
#endif

#include "command.h"
#include "colors.h"
#include "ted.h"
#include "time.c"
#include "string32.c"
#include "arr.c"
#include "syntax.c"
#include "buffer.c"
#include "ted.c"
#include "ui.c"
#include "node.c"
#include "menu.c"
#include "command.c"
#include "config.c"

#if PROFILE
#define PROFILE_TIME(var) double var = time_get_seconds();
#else
#define PROFILE_TIME(var)
#endif

static void die(char const *fmt, ...) {
	char buf[256] = {0};
	
	va_list args;
	va_start(args, fmt);
	vsnprintf(buf, sizeof buf - 1, fmt, args);
	va_end(args);

	// show a message box, and if that fails, print it
	if (SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", buf, NULL) < 0) {
		debug_println("%s\n", buf);
	}

	exit(EXIT_FAILURE);
}

static Rect error_box_rect(Ted *ted) {
	Font *font = ted->font;
	Settings const *settings = &ted->settings;
	float padding = settings->padding;
	float window_width = ted->window_width, window_height = ted->window_height;
	float char_height = text_font_char_height(font);
	return rect_centered(V2(window_width * 0.5f, window_height * 0.9f),
			V2(menu_get_width(ted), 3 * char_height + 2 * padding));
}

#if _WIN32
INT WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
    PSTR lpCmdLine, INT nCmdShow) {
	(void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
	int argc = 0;
    LPWSTR* wide_argv = CommandLineToArgvW(GetCommandLineW(), &argc);
    char** argv = malloc(argc * sizeof *argv);
	if (!argv) {
		die("Out of memory.");
	}
    for (int i = 0; i < argc; i++) {
        LPWSTR wide_arg = wide_argv[i];
        int len = (int)wcslen(wide_arg);
        argv[i] = malloc(len + 1);
		if (!argv[i]) die("Out of memory.");
        for (int j = 0; j <= len; j++)
            argv[i][j] = (char)wide_arg[j];
    }
    LocalFree(wide_argv);
#else
int main(int argc, char **argv) {
#endif
	setlocale(LC_ALL, ""); // allow unicode

	// read command-line arguments
	char const *starting_filename = NULL;
	switch (argc) {
	case 0: case 1: break;
	case 2:
		starting_filename = argv[1];
		break;
	default:	
		fprintf(stderr, "Usage: %s [filename]\n", argv[0]);
		return EXIT_FAILURE;
	}

	SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1"); // if this program is sent a SIGTERM/SIGINT, don't turn it into a quit event
	if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER) < 0)
		die("%s", SDL_GetError());

	Ted *ted = calloc(1, sizeof *ted);
	if (!ted) {
		die("Not enough memory available to run ted.");
	}

	{ // get local data directory
#if _WIN32
		wchar_t *appdata = NULL;
		KNOWNFOLDERID id = FOLDERID_LocalAppData;
		if (SHGetKnownFolderPath(&id, 0, NULL, &appdata) == S_OK) {
			strbuf_printf(ted->local_data_dir, "%ls" PATH_SEPARATOR_STR "ted", appdata);
			CoTaskMemFree(appdata);
		}
		id = FOLDERID_Profile;
		wchar_t *home = NULL;
		if (SHGetKnownFolderPath(&id, 0, NULL, &home) == S_OK) {
			strbuf_printf(ted->home, "%ls", home);
			CoTaskMemFree(home);
		}
		strbuf_printf(ted->global_data_dir, "C:\\Program Files\\ted");
#else
		char *home = getenv("HOME");
		strbuf_printf(ted->home, "%s", home);
		strbuf_printf(ted->local_data_dir, "%s/.local/share/ted", home);
		strbuf_printf(ted->global_data_dir, "/usr/share/ted");
#endif

	}

	FILE *log = NULL;
	{
		// open log file
		char log_filename[TED_PATH_MAX];
		strbuf_printf(log_filename, "%s/log.txt", ted->local_data_dir);
		log = fopen(log_filename, "w");
	}

	{ // get current working directory
		fs_get_cwd(ted->cwd, sizeof ted->cwd);
	}

	{ // check if this is the installed version of ted (as opposed to just running it from the directory with the source)
		char executable_path[TED_PATH_MAX] = {0};
		char const *cwd = ted->cwd;
	#if _WIN32
		if (GetModuleFileNameA(NULL, executable_path, sizeof executable_path) > 0) {
			char *last_backslash = strrchr(executable_path, '\\');
			if (last_backslash) {
				*last_backslash = '\0';
				ted->search_cwd = streq(cwd, executable_path);
			}
		}
	#else
		ssize_t len = readlink("/proc/self/exe", executable_path, sizeof executable_path - 1);
		if (len == -1) {
			// some posix systems don't have /proc/self/exe. oh well.
		} else {
			executable_path[len] = '\0';
			char *last_slash = strrchr(executable_path, '/');
			if (last_slash) {
				*last_slash = '\0';
				ted->search_cwd = streq(cwd, executable_path);
			}
		}
	#endif
	}
	#if TED_FORCE_SEARCH_CWD
	// override whether or not we are in the executable's directory
	// (for testing on Unix systems without /proc)
	ted->search_cwd = true;
	#endif

	Settings *settings = &ted->settings;

	{
		// read global configuration file first to establish defaults
		char global_config_filename[TED_PATH_MAX];
		strbuf_printf(global_config_filename, "%s" PATH_SEPARATOR_STR "ted.cfg", ted->global_data_dir);
		if (fs_file_exists(global_config_filename))
			config_read(ted, global_config_filename);
	}
	{
		// read local configuration file
		char config_filename[TED_PATH_MAX];
		if (ted_get_file(ted, "ted.cfg", config_filename, sizeof config_filename))
			config_read(ted, config_filename);
		else
			ted_seterr(ted, "Couldn't find config file (ted.cfg), not even the backup one that should have come with ted.");
	}
	if (ted_haserr(ted)) {
		die("Error reading config: %s", ted_geterr(ted));
	}

	SDL_Window *window = SDL_CreateWindow("ted", SDL_WINDOWPOS_UNDEFINED, 
		SDL_WINDOWPOS_UNDEFINED, 1280, 720, SDL_WINDOW_SHOWN|SDL_WINDOW_OPENGL|SDL_WINDOW_RESIZABLE);
	if (!window)
		die("%s", SDL_GetError());
		
	{ // set icon
		char icon_filename[TED_PATH_MAX];
		if (ted_get_file(ted, "assets/icon.bmp", icon_filename, sizeof icon_filename)) {
			SDL_Surface *icon = SDL_LoadBMP(icon_filename);
			SDL_SetWindowIcon(window, icon);
			SDL_FreeSurface(icon);
		} // if we can't find the icon file, it's no big deal
	}

	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
	SDL_GLContext *glctx = SDL_GL_CreateContext(window);
	if (!glctx) {
		die("%s", SDL_GetError());
	}

	SDL_GL_SetSwapInterval(1); // vsync

	ted_load_fonts(ted);
	if (ted_haserr(ted))
		die("Error loading font: %s", ted_geterr(ted));
	{
		TextBuffer *lbuffer = &ted->line_buffer;
		line_buffer_create(lbuffer, ted);
		if (buffer_haserr(lbuffer))
			die("Error creating line buffer: %s", buffer_geterr(lbuffer));
	}
	
	
	{
		u16 buffer_index = (u16)ted_new_buffer(ted);
		assert(buffer_index == 0);
		TextBuffer *buffer = &ted->buffers[buffer_index];
		buffer_create(buffer, ted);
		ted->active_buffer = buffer;
		u16 node_index = (u16)ted_new_node(ted);
		assert(node_index == 0);
		Node *node = ted->active_node = &ted->nodes[node_index];
		ted->root = node;
		node->tabs = NULL;
		arr_add(node->tabs, 0);


		char path[TED_PATH_MAX];
		if (starting_filename) {
			// get full path to file
			if (!path_is_absolute(starting_filename))
				strbuf_printf(path, "%s%s%s", ted->cwd, ted->cwd[strlen(ted->cwd) - 1] == PATH_SEPARATOR ? "" : PATH_SEPARATOR_STR,
					starting_filename);
			else
				strbuf_printf(path, "%s", starting_filename);
		} else {
			strbuf_printf(path, "Untitled");
		}

		if (starting_filename && fs_file_exists(path)) {
			if (!buffer_load_file(buffer, path))
				ted_seterr(ted, "Couldn't load file: %s", buffer_geterr(buffer));
		} else {
			buffer_new_file(buffer, path);
			if (buffer_haserr(buffer))
				ted_seterr(ted, "Couldn't create file: %s", buffer_geterr(buffer));
		}
	}


	u32 *colors = settings->colors; (void)colors;

	Uint32 time_at_last_frame = SDL_GetTicks();

	while (!ted->quit) {
	#if DEBUG
		//printf("\033[H\033[2J");
	#endif


		SDL_Event event;
		Uint8 const *keyboard_state = SDL_GetKeyboardState(NULL);
		
		{ // get mouse position
			int mouse_x = 0, mouse_y = 0;
			SDL_GetMouseState(&mouse_x, &mouse_y);
			ted->mouse_pos = V2((float)mouse_x, (float)mouse_y);
		}
		bool ctrl_down = keyboard_state[SDL_SCANCODE_LCTRL] || keyboard_state[SDL_SCANCODE_RCTRL];
		bool shift_down = keyboard_state[SDL_SCANCODE_LSHIFT] || keyboard_state[SDL_SCANCODE_RSHIFT];
		bool alt_down = keyboard_state[SDL_SCANCODE_LALT] || keyboard_state[SDL_SCANCODE_RALT];

		memset(ted->nmouse_clicks, 0, sizeof ted->nmouse_clicks);
		ted->scroll_total_x = ted->scroll_total_y = 0;

		//printf("%p\n",(void *)ted->drag_buffer);

		float window_width = 0, window_height = 0;
		{
			int window_width_int = 0, window_height_int = 0;
			SDL_GetWindowSize(window, &window_width_int, &window_height_int);
			ted->window_width = (float)window_width_int;
			ted->window_height = (float)window_height_int;
		}
		window_width = ted->window_width, window_height = ted->window_height;

		while (SDL_PollEvent(&event)) {
			TextBuffer *buffer = ted->active_buffer;
			u32 key_modifier = (u32)ctrl_down << KEY_MODIFIER_CTRL_BIT
				| (u32)shift_down << KEY_MODIFIER_SHIFT_BIT
				| (u32)alt_down << KEY_MODIFIER_ALT_BIT;
			switch (event.type) {
			case SDL_QUIT:
				command_execute(ted, CMD_QUIT, 1);
				break;
			case SDL_MOUSEWHEEL: {
				// scroll with mouse wheel
				Sint32 dx = event.wheel.x, dy = -event.wheel.y;
				ted->scroll_total_x += dx;
				ted->scroll_total_y += dy;
				double scroll_speed = 2.5;
				if (ted->active_buffer)
					buffer_scroll(ted->active_buffer, dx * scroll_speed, dy * scroll_speed);
			} break;
			case SDL_MOUSEBUTTONDOWN: {
				Uint32 button = event.button.button;
				
				if (button == SDL_BUTTON_LEFT) {
					// shift+left click = right click
					if (shift_down) button = SDL_BUTTON_RIGHT;
					// ctrl+left click = middle click
					if (ctrl_down)  button = SDL_BUTTON_MIDDLE;
				}


				float x = (float)event.button.x, y = (float)event.button.y;
				if (button < arr_count(ted->nmouse_clicks) 
					&& ted->nmouse_clicks[button] < arr_count(ted->mouse_clicks[button])) {
					v2 pos = V2(x, y);
					bool add = true;
					if (*ted->error_shown) {
						if (rect_contains_point(error_box_rect(ted), pos)) {
							// clicked on error
							if (button == SDL_BUTTON_LEFT) {
								// dismiss error
								*ted->error_shown = '\0';
							}
							// don't let anyone else use this event
							add = false;
						}
					}
					if (add)
						ted->mouse_clicks[button][ted->nmouse_clicks[button]++] = pos;
				}
				switch (button) {
				case SDL_BUTTON_LEFT: {
					if (buffer) {
						BufferPos pos = {0};
						if (buffer_pixels_to_pos(buffer, V2(x, y), &pos)) {
							if (key_modifier == KEY_MODIFIER_SHIFT) {
								buffer_select_to_pos(buffer, pos);
							} else if (key_modifier == 0) {
								buffer_cursor_move_to_pos(buffer, pos);
								switch ((event.button.clicks - 1) % 3) {
								case 0: break; // single-click
								case 1: // double-click: select word
									buffer_select_word(buffer);
									break;
								case 2: // triple-click: select line
									buffer_select_line(buffer);
									break;
								}
							}
							ted->drag_buffer = buffer;
						}
					}
				} break;
				}
			} break;
			case SDL_MOUSEMOTION: {
				float x = (float)event.motion.x, y = (float)event.motion.y;
				if (ted->drag_buffer != ted->active_buffer)
					ted->drag_buffer = NULL;
				if (ted->drag_buffer) {
					BufferPos pos = {0};
					// drag to select
					// we don't check the return value here, because it's okay to drag off the screen.
					buffer_pixels_to_pos(ted->drag_buffer, V2(x, y), &pos);
					buffer_select_to_pos(ted->drag_buffer, pos);
				}
			} break;
			case SDL_KEYDOWN: {
				SDL_Scancode scancode = event.key.keysym.scancode;
				SDL_Keymod modifier = event.key.keysym.mod;
				u32 key_combo = (u32)scancode << 3 |
					(u32)((modifier & (KMOD_LCTRL|KMOD_RCTRL)) != 0) << KEY_MODIFIER_CTRL_BIT |
					(u32)((modifier & (KMOD_LSHIFT|KMOD_RSHIFT)) != 0) << KEY_MODIFIER_SHIFT_BIT |
					(u32)((modifier & (KMOD_LALT|KMOD_RALT)) != 0) << KEY_MODIFIER_ALT_BIT;
				if (key_combo < KEY_COMBO_COUNT) {
					KeyAction *action = &ted->key_actions[key_combo];
					if (action->command) {
						command_execute(ted, action->command, action->argument);
					}
				}
			} break;
			case SDL_TEXTINPUT: {
				char *text = event.text.text;
				if (buffer
					&& (key_modifier & ~KEY_MODIFIER_SHIFT) == 0) // unfortunately, some key combinations like ctrl+minus still register as a "-" text input event
					buffer_insert_utf8_at_cursor(buffer, text);
			} break;
			}
		}
		
		if (!(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON_LMASK)) {
			// originally this was done on SDL_MOUSEBUTTONUP events but for some reason
			// I was getting a bunch of those even when I was holding down the mouse.
			// This makes it much smoother.
			ted->drag_buffer = NULL;
		}

		{ // ted->cwd should be the directory containing the last active buffer
			TextBuffer *buffer = ted->active_buffer;
			if (buffer) {
				char const *buffer_path = buffer_get_filename(buffer);
				if (buffer_path && !buffer_is_untitled(buffer)) {
					assert(*buffer_path);
					char *last_sep = strrchr(buffer_path, PATH_SEPARATOR);
					if (last_sep) {
						size_t dirname_len = (size_t)(last_sep - buffer_path);
						if (dirname_len == 0) dirname_len = 1; // make sure "/x" sets our cwd to "/", not ""
						// set cwd to buffer's directory
						memcpy(ted->cwd, buffer_path, dirname_len);
						ted->cwd[dirname_len] = 0;
					}
				}
			}
		}


		u32 key_modifier = (u32)ctrl_down << KEY_MODIFIER_CTRL_BIT
			| (u32)shift_down << KEY_MODIFIER_SHIFT_BIT
			| (u32)alt_down << KEY_MODIFIER_ALT_BIT;

		double frame_dt;
		{
			Uint32 time_this_frame = SDL_GetTicks();
			frame_dt = 0.001 * (time_this_frame - time_at_last_frame);
			time_at_last_frame = time_this_frame;
		}

		TextBuffer *active_buffer = ted->active_buffer;
		if (active_buffer && key_modifier == KEY_MODIFIER_ALT) {
			// alt + arrow keys to scroll
			double scroll_speed = 20.0;
			double scroll_amount_x = scroll_speed * frame_dt * 1.5; // characters are taller than they are wide
			double scroll_amount_y = scroll_speed * frame_dt;
			if (keyboard_state[SDL_SCANCODE_UP])
				buffer_scroll(active_buffer, 0, -scroll_amount_y);
			if (keyboard_state[SDL_SCANCODE_DOWN])
				buffer_scroll(active_buffer, 0, +scroll_amount_y);
			if (keyboard_state[SDL_SCANCODE_LEFT])
				buffer_scroll(active_buffer, -scroll_amount_x, 0);
			if (keyboard_state[SDL_SCANCODE_RIGHT])
				buffer_scroll(active_buffer, +scroll_amount_x, 0);
		}
		
		// update window dimensions
		{
			int window_width_int = 0, window_height_int = 0;
			SDL_GetWindowSize(window, &window_width_int, &window_height_int);
			ted->window_width = (float)window_width_int;
			ted->window_height = (float)window_height_int;
		}
		window_width = ted->window_width, window_height = ted->window_height;


		// set up GL
		glEnable(GL_BLEND);
		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		glViewport(0, 0, (GLsizei)window_width, (GLsizei)window_height);
		glMatrixMode(GL_MODELVIEW);
		glLoadIdentity();
		// pixel coordinates; down is positive y
		glOrtho(0, window_width, window_height, 0, -1, +1);
		{ // clear (background)
			float bg_color[4];
			rgba_u32_to_floats(settings->colors[COLOR_BG], bg_color);
			glClearColor(bg_color[0], bg_color[1], bg_color[2], bg_color[3]);
		}
		glClear(GL_COLOR_BUFFER_BIT);
		
		PROFILE_TIME(frame_start);

		Font *font = ted->font;

		if (ted->active_node) {
			float x1 = 25, y1 = 25, x2 = window_width-25, y2 = window_height-25;
			Node *node = ted->root;
			node_frame(ted, node, rect4(x1, y1, x2, y2));
		} else {
			gl_color_rgba(colors[COLOR_TEXT_SECONDARY]);
			text_render_anchored(font, "Press Ctrl+O to open a file or Ctrl+N to create a new one.",
				window_width * 0.5f, window_height * 0.5f, ANCHOR_MIDDLE);
		}

		Menu menu = ted->menu;
		if (menu) {
			menu_frame(ted, menu);
		}


		if (text_has_err()) {
			ted_seterr(ted, "Couldn't render text: %s", text_get_err());
		}
		for (u16 i = 0; i < TED_MAX_BUFFERS; ++i) {
			TextBuffer *buffer = &ted->buffers[i];
			if (buffer_haserr(buffer)) {
				ted_seterr_to_buferr(ted, buffer);
				buffer_clearerr(buffer);
			}
		}

		// check if there's a new error
		if (ted_haserr(ted)) {
			ted->error_time = time_get_seconds();
			str_cpy(ted->error_shown, sizeof ted->error_shown, ted->error);

			{ // output error to log file
				char tstr[256];
				time_t t = time(NULL);
				struct tm *tm = localtime(&t);
				strftime(tstr, sizeof tstr, "%Y-%m-%d %H:%M:%S", tm);
				if (log) {
					fprintf(log, "[ERROR %s] %s\n", tstr, ted->error);
					fflush(log);
				}
			}
			ted_clearerr(ted);
		}

		// error box
		if (*ted->error_shown) {
			double t = time_get_seconds();
			double time_passed = t - ted->error_time;
			if (time_passed > settings->error_display_time) {
				// stop showing error
				*ted->error_shown = '\0';
			} else {
				Rect r = error_box_rect(ted);
				float padding = settings->padding;

				glBegin(GL_QUADS);
				gl_color_rgba(colors[COLOR_ERROR_BG]);
				rect_render(r);
				gl_color_rgba(colors[COLOR_ERROR_BORDER]);
				rect_render_border(r, settings->border_thickness);
				glEnd();
				gl_color_rgba(colors[COLOR_ERROR_TEXT]);


				float text_x1 = rect_x1(r) + padding, text_x2 = rect_x2(r) - padding;
				float text_y1 = rect_y1(r) + padding;

				// (make sure text wraps)
				TextRenderState text_state = text_render_state_default;
				text_state.min_x = text_x1;
				text_state.max_x = text_x2;
				text_state.wrap = true;
				text_render_with_state(font, &text_state, ted->error_shown, text_x1, text_y1);
			}
		}


	#if DEBUG
		for (u16 i = 0; i < TED_MAX_BUFFERS; ++i)
			if (ted->buffers_used[i])
				buffer_check_valid(&ted->buffers[i]);
		buffer_check_valid(&ted->line_buffer);
	#endif


		PROFILE_TIME(frame_end);

	#if PROFILE
		{
			printf("Frame: %.1f ms\n", (frame_end - frame_start) * 1000);
		}
	#endif

		SDL_GL_SwapWindow(window);
	}


	if (ted->menu)
		menu_close(ted); // free any memory used by the current menu

	if (log) fclose(log);

	SDL_GL_DeleteContext(glctx);
	SDL_DestroyWindow(window);
	SDL_Quit();
	for (u16 i = 0; i < TED_MAX_BUFFERS; ++i)
		if (ted->buffers_used[i])
			buffer_free(&ted->buffers[i]);
	for (u16 i = 0; i < TED_MAX_NODES; ++i)
		if (ted->nodes_used[i])
			node_free(&ted->nodes[i]);
	buffer_free(&ted->line_buffer);
	text_font_free(ted->font);
	text_font_free(ted->font_bold);
	settings_free(&ted->settings);
	free(ted);
#if _WIN32
	for (int i = 0; i < argc; ++i)
		free(argv[i]);
	free(argv);
#endif

	return 0;
}