Files @ r19580:3dd5fc9bd797
Branch filter:

Location: cpp/openttd-patchpack/source/src/console_gui.cpp

translators
(svn r24511) -Update from WebTranslator v3.0:
latvian - 3 changes by Parastais
vietnamese - 1 changes by nglekhoi
  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
/* $Id$ */

/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file console_gui.cpp Handling the GUI of the in-game console. */

#include "stdafx.h"
#include "textbuf_type.h"
#include "window_gui.h"
#include "console_gui.h"
#include "console_internal.h"
#include "window_func.h"
#include "string_func.h"
#include "strings_func.h"
#include "gfx_func.h"
#include "settings_type.h"
#include "console_func.h"
#include "rev.h"

#include "widgets/console_widget.h"

#include "table/strings.h"

static const uint ICON_HISTORY_SIZE       = 20;
static const uint ICON_LINE_SPACING       =  2;
static const uint ICON_RIGHT_BORDERWIDTH  = 10;
static const uint ICON_BOTTOM_BORDERWIDTH = 12;

/**
 * Container for a single line of console output
 */
struct IConsoleLine {
	static IConsoleLine *front; ///< The front of the console backlog buffer
	static int size;            ///< The amount of items in the backlog

	IConsoleLine *previous; ///< The previous console message.
	char *buffer;           ///< The data to store.
	TextColour colour;      ///< The colour of the line.
	uint16 time;            ///< The amount of time the line is in the backlog.

	/**
	 * Initialize the console line.
	 * @param buffer the data to print.
	 * @param colour the colour of the line.
	 */
	IConsoleLine(char *buffer, TextColour colour) :
			previous(IConsoleLine::front),
			buffer(buffer),
			colour(colour),
			time(0)
	{
		IConsoleLine::front = this;
		IConsoleLine::size++;
	}

	/**
	 * Clear this console line and any further ones.
	 */
	~IConsoleLine()
	{
		IConsoleLine::size--;
		free(buffer);

		delete previous;
	}

	/**
	 * Get the index-ed item in the list.
	 */
	static const IConsoleLine *Get(uint index)
	{
		const IConsoleLine *item = IConsoleLine::front;
		while (index != 0 && item != NULL) {
			index--;
			item = item->previous;
		}

		return item;
	}

	/**
	 * Truncate the list removing everything older than/more than the amount
	 * as specified in the config file.
	 * As a side effect also increase the time the other lines have been in
	 * the list.
	 * @return true if and only if items got removed.
	 */
	static bool Truncate()
	{
		IConsoleLine *cur = IConsoleLine::front;
		if (cur == NULL) return false;

		int count = 1;
		for (IConsoleLine *item = cur->previous; item != NULL; count++, cur = item, item = item->previous) {
			if (item->time > _settings_client.gui.console_backlog_timeout &&
					count > _settings_client.gui.console_backlog_length) {
				delete item;
				cur->previous = NULL;
				return true;
			}

			if (item->time != MAX_UVALUE(uint16)) item->time++;
		}

		return false;
	}

	/**
	 * Reset the complete console line backlog.
	 */
	static void Reset()
	{
		delete IConsoleLine::front;
		IConsoleLine::front = NULL;
		IConsoleLine::size = 0;
	}
};

/* static */ IConsoleLine *IConsoleLine::front = NULL;
/* static */ int IConsoleLine::size  = 0;


/* ** main console cmd buffer ** */
static Textbuf _iconsole_cmdline;
static char *_iconsole_history[ICON_HISTORY_SIZE];
static int _iconsole_historypos;
IConsoleModes _iconsole_mode;

/* *************** *
 *  end of header  *
 * *************** */

static void IConsoleClearCommand()
{
	memset(_iconsole_cmdline.buf, 0, ICON_CMDLN_SIZE);
	_iconsole_cmdline.chars = _iconsole_cmdline.bytes = 1; // only terminating zero
	_iconsole_cmdline.pixels = 0;
	_iconsole_cmdline.caretpos = 0;
	_iconsole_cmdline.caretxoffs = 0;
	SetWindowDirty(WC_CONSOLE, 0);
}

static inline void IConsoleResetHistoryPos()
{
	_iconsole_historypos = -1;
}


static const char *IConsoleHistoryAdd(const char *cmd);
static void IConsoleHistoryNavigate(int direction);

static const struct NWidgetPart _nested_console_window_widgets[] = {
	NWidget(WWT_EMPTY, INVALID_COLOUR, WID_C_BACKGROUND), SetResize(1, 1),
};

static const WindowDesc _console_window_desc(
	WDP_MANUAL, 0, 0,
	WC_CONSOLE, WC_NONE,
	0,
	_nested_console_window_widgets, lengthof(_nested_console_window_widgets)
);

struct IConsoleWindow : Window
{
	static int scroll;
	int line_height;   ///< Height of one line of text in the console.
	int line_offset;

	IConsoleWindow() : Window()
	{
		_iconsole_mode = ICONSOLE_OPENED;
		this->line_height = FONT_HEIGHT_NORMAL + ICON_LINE_SPACING;
		this->line_offset = GetStringBoundingBox("] ").width + 5;

		this->InitNested(&_console_window_desc, 0);
		ResizeWindow(this, _screen.width, _screen.height / 3);
	}

	~IConsoleWindow()
	{
		_iconsole_mode = ICONSOLE_CLOSED;
	}

	/**
	 * Scroll the content of the console.
	 * @param amount Number of lines to scroll back.
	 */
	void Scroll(int amount)
	{
		int max_scroll = max<int>(0, IConsoleLine::size + 1 - this->height / this->line_height);
		IConsoleWindow::scroll = Clamp<int>(IConsoleWindow::scroll + amount, 0, max_scroll);
		this->SetDirty();
	}

	virtual void OnPaint()
	{
		const int right = this->width - 5;

		GfxFillRect(0, 0, this->width - 1, this->height - 1, PC_BLACK);
		int ypos = this->height - this->line_height;
		for (const IConsoleLine *print = IConsoleLine::Get(IConsoleWindow::scroll); print != NULL; print = print->previous) {
			SetDParamStr(0, print->buffer);
			ypos = DrawStringMultiLine(5, right, -this->line_height, ypos, STR_JUST_RAW_STRING, print->colour, SA_LEFT | SA_BOTTOM | SA_FORCE) - ICON_LINE_SPACING;
			if (ypos < 0) break;
		}
		/* If the text is longer than the window, don't show the starting ']' */
		int delta = this->width - this->line_offset - _iconsole_cmdline.pixels - ICON_RIGHT_BORDERWIDTH;
		if (delta > 0) {
			DrawString(5, right, this->height - this->line_height, "]", (TextColour)CC_COMMAND, SA_LEFT | SA_FORCE);
			delta = 0;
		}

		DrawString(this->line_offset + delta, right, this->height - this->line_height, _iconsole_cmdline.buf, (TextColour)CC_COMMAND, SA_LEFT | SA_FORCE);

		if (_focused_window == this && _iconsole_cmdline.caret) {
			DrawString(this->line_offset + delta + _iconsole_cmdline.caretxoffs, right, this->height - this->line_height, "_", TC_WHITE, SA_LEFT | SA_FORCE);
		}
	}

	virtual void OnHundredthTick()
	{
		if (IConsoleLine::Truncate() &&
				(IConsoleWindow::scroll > IConsoleLine::size)) {
			IConsoleWindow::scroll = max(0, IConsoleLine::size - (this->height / this->line_height) + 1);
			this->SetDirty();
		}
	}

	virtual void OnMouseLoop()
	{
		if (_iconsole_cmdline.HandleCaret()) this->SetDirty();
	}

	virtual EventState OnKeyPress(uint16 key, uint16 keycode)
	{
		if (_focused_window != this) return ES_NOT_HANDLED;

		const int scroll_height = (this->height / this->line_height) - 1;
		switch (keycode) {
			case WKC_UP:
				IConsoleHistoryNavigate(1);
				this->SetDirty();
				break;

			case WKC_DOWN:
				IConsoleHistoryNavigate(-1);
				this->SetDirty();
				break;

			case WKC_SHIFT | WKC_PAGEDOWN:
				this->Scroll(-scroll_height);
				break;

			case WKC_SHIFT | WKC_PAGEUP:
				this->Scroll(scroll_height);
				break;

			case WKC_SHIFT | WKC_DOWN:
				this->Scroll(-1);
				break;

			case WKC_SHIFT | WKC_UP:
				this->Scroll(1);
				break;

			case WKC_BACKQUOTE:
				IConsoleSwitch();
				break;

			case WKC_RETURN: case WKC_NUM_ENTER: {
				/* We always want the ] at the left side; we always force these strings to be left
				 * aligned anyway. So enforce this in all cases by addding a left-to-right marker,
				 * otherwise it will be drawn at the wrong side with right-to-left texts. */
				IConsolePrintF(CC_COMMAND, LRM "] %s", _iconsole_cmdline.buf);
				const char *cmd = IConsoleHistoryAdd(_iconsole_cmdline.buf);
				IConsoleClearCommand();

				if (cmd != NULL) IConsoleCmdExec(cmd);
				break;
			}

			case WKC_CTRL | WKC_RETURN:
				_iconsole_mode = (_iconsole_mode == ICONSOLE_FULL) ? ICONSOLE_OPENED : ICONSOLE_FULL;
				IConsoleResize(this);
				MarkWholeScreenDirty();
				break;

#ifdef WITH_COCOA
			case (WKC_META | 'V'):
#endif
			case (WKC_CTRL | 'V'):
				if (_iconsole_cmdline.InsertClipboard()) {
					IConsoleResetHistoryPos();
					this->SetDirty();
				}
				break;

			case (WKC_CTRL | 'L'):
				IConsoleCmdExec("clear");
				break;

#ifdef WITH_COCOA
			case (WKC_META | 'U'):
#endif
			case (WKC_CTRL | 'U'):
				_iconsole_cmdline.DeleteAll();
				this->SetDirty();
				break;

			case WKC_BACKSPACE: case WKC_DELETE:
				if (_iconsole_cmdline.DeleteChar(keycode)) {
					IConsoleResetHistoryPos();
					this->SetDirty();
				}
				break;

			case WKC_LEFT: case WKC_RIGHT: case WKC_END: case WKC_HOME:
				if (_iconsole_cmdline.MovePos(keycode)) {
					IConsoleResetHistoryPos();
					this->SetDirty();
				}
				break;

			default:
				if (IsValidChar(key, CS_ALPHANUMERAL)) {
					IConsoleWindow::scroll = 0;
					_iconsole_cmdline.InsertChar(key);
					IConsoleResetHistoryPos();
					this->SetDirty();
				} else {
					return ES_NOT_HANDLED;
				}
				break;
		}
		return ES_HANDLED;
	}

	virtual void OnMouseWheel(int wheel)
	{
		this->Scroll(-wheel);
	}
};

int IConsoleWindow::scroll = 0;

void IConsoleGUIInit()
{
	IConsoleResetHistoryPos();
	_iconsole_mode = ICONSOLE_CLOSED;

	IConsoleLine::Reset();
	memset(_iconsole_history, 0, sizeof(_iconsole_history));

	_iconsole_cmdline.buf = CallocT<char>(ICON_CMDLN_SIZE); // create buffer and zero it
	_iconsole_cmdline.max_bytes = ICON_CMDLN_SIZE;
	_iconsole_cmdline.max_chars = ICON_CMDLN_SIZE;

	IConsolePrintF(CC_WARNING, "OpenTTD Game Console Revision 7 - %s", _openttd_revision);
	IConsolePrint(CC_WHITE,  "------------------------------------");
	IConsolePrint(CC_WHITE,  "use \"help\" for more information");
	IConsolePrint(CC_WHITE,  "");
	IConsoleClearCommand();
}

void IConsoleClearBuffer()
{
	IConsoleLine::Reset();
}

void IConsoleGUIFree()
{
	free(_iconsole_cmdline.buf);
	IConsoleClearBuffer();
}

/** Change the size of the in-game console window after the screen size changed, or the window state changed. */
void IConsoleResize(Window *w)
{
	switch (_iconsole_mode) {
		case ICONSOLE_OPENED:
			w->height = _screen.height / 3;
			w->width = _screen.width;
			break;
		case ICONSOLE_FULL:
			w->height = _screen.height - ICON_BOTTOM_BORDERWIDTH;
			w->width = _screen.width;
			break;
		default: return;
	}

	MarkWholeScreenDirty();
}

/** Toggle in-game console between opened and closed. */
void IConsoleSwitch()
{
	switch (_iconsole_mode) {
		case ICONSOLE_CLOSED:
			new IConsoleWindow();
			break;

		case ICONSOLE_OPENED: case ICONSOLE_FULL:
			DeleteWindowById(WC_CONSOLE, 0);
			break;
	}

	MarkWholeScreenDirty();
}

/** Close the in-game console. */
void IConsoleClose()
{
	if (_iconsole_mode == ICONSOLE_OPENED) IConsoleSwitch();
}

/**
 * Add the entered line into the history so you can look it back
 * scroll, etc. Put it to the beginning as it is the latest text
 * @param cmd Text to be entered into the 'history'
 * @return the command to execute
 */
static const char *IConsoleHistoryAdd(const char *cmd)
{
	/* Strip all spaces at the begin */
	while (IsWhitespace(*cmd)) cmd++;

	/* Do not put empty command in history */
	if (StrEmpty(cmd)) return NULL;

	/* Do not put in history if command is same as previous */
	if (_iconsole_history[0] == NULL || strcmp(_iconsole_history[0], cmd) != 0) {
		free(_iconsole_history[ICON_HISTORY_SIZE - 1]);
		memmove(&_iconsole_history[1], &_iconsole_history[0], sizeof(_iconsole_history[0]) * (ICON_HISTORY_SIZE - 1));
		_iconsole_history[0] = strdup(cmd);
	}

	/* Reset the history position */
	IConsoleResetHistoryPos();
	return _iconsole_history[0];
}

/**
 * Navigate Up/Down in the history of typed commands
 * @param direction Go further back in history (+1), go to recently typed commands (-1)
 */
static void IConsoleHistoryNavigate(int direction)
{
	if (_iconsole_history[0] == NULL) return; // Empty history
	_iconsole_historypos = Clamp(_iconsole_historypos + direction, -1, ICON_HISTORY_SIZE - 1);

	if (direction > 0 && _iconsole_history[_iconsole_historypos] == NULL) _iconsole_historypos--;

	if (_iconsole_historypos == -1) {
		*_iconsole_cmdline.buf = '\0';
	} else {
		ttd_strlcpy(_iconsole_cmdline.buf, _iconsole_history[_iconsole_historypos], _iconsole_cmdline.max_bytes);
	}
	_iconsole_cmdline.UpdateSize();
}

/**
 * Handle the printing of text entered into the console or redirected there
 * by any other means. Text can be redirected to other clients in a network game
 * as well as to a logfile. If the network server is a dedicated server, all activities
 * are also logged. All lines to print are added to a temporary buffer which can be
 * used as a history to print them onscreen
 * @param colour_code the colour of the command. Red in case of errors, etc.
 * @param str the message entered or output on the console (notice, error, etc.)
 */
void IConsoleGUIPrint(TextColour colour_code, char *str)
{
	new IConsoleLine(str, colour_code);
	SetWindowDirty(WC_CONSOLE, 0);
}


/**
 * Check whether the given TextColour is valid for console usage.
 * @param c The text colour to compare to.
 * @return true iff the TextColour is valid for console usage.
 */
bool IsValidConsoleColour(TextColour c)
{
	/* A normal text colour is used. */
	if (!(c & TC_IS_PALETTE_COLOUR)) return TC_BEGIN <= c && c < TC_END;

	/* A text colour from the palette is used; must be the company
	 * colour gradient, so it must be one of those. */
	c &= ~TC_IS_PALETTE_COLOUR;
	for (uint i = COLOUR_BEGIN; i < COLOUR_END; i++) {
		if (_colour_gradient[i][4] == c) return true;
	}

	return false;
}