Repository navigation
Expand file tree
/
Copy pathTextEdit.cpp
More file actions
440 lines (411 loc) · 9.26 KB
/
Copy pathTextEdit.cpp
File metadata and controls
440 lines (411 loc) · 9.26 KB
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
/*
* Copyright 2010-2012 OpenXcom Developers.
*
* This file is part of OpenXcom.
*
* OpenXcom 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, either version 3 of the License, or
* (at your option) any later version.
*
* OpenXcom 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 OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "TextEdit.h"
#include <sstream>
#include "../Engine/Action.h"
#include "../Engine/Font.h"
#include "../Engine/Timer.h"
#include "../Engine/Options.h"
namespace OpenXcom
{
/**
* Sets up a blank text edit with the specified size and position.
* @param width Width in pixels.
* @param height Height in pixels.
* @param x X position in pixels.
* @param y Y position in pixels.
*/
TextEdit::TextEdit(int width, int height, int x, int y) : InteractiveSurface(width, height, x, y), _value(L""), _blink(true), _ascii(L'A'), _caretPos(0)
{
_text = new Text(width, height, 0, 0);
_timer = new Timer(100);
_timer->onTimer((SurfaceHandler)&TextEdit::blink);
_caret = new Text(16, 16, 0, 0);
_caret->setText(L"|");
}
/**
* Deletes contents.
*/
TextEdit::~TextEdit()
{
delete _text;
delete _caret;
delete _timer;
}
/**
* Starts the blinking animation when
* the text edit is focused.
*/
void TextEdit::focus()
{
if (!_isFocused)
{
_caretPos = _value.length();
_blink = true;
_timer->start();
_redraw = true;
}
InteractiveSurface::focus();
}
/**
* Changes the text edit to use the big-size font.
*/
void TextEdit::setBig()
{
_text->setBig();
_caret->setBig();
}
/**
* Changes the text edit to use the small-size font.
*/
void TextEdit::setSmall()
{
_text->setSmall();
_caret->setSmall();
}
/**
* Changes the various fonts for the text edit to use.
* The different fonts need to be passed in advance since the
* text size can change mid-text.
* @param big Pointer to large-size font.
* @param small Pointer to small-size font.
*/
void TextEdit::setFonts(Font *big, Font *small)
{
_text->setFonts(big, small);
_caret->setFonts(big, small);
}
/**
* Changes the string displayed on screen.
* @param text Text string.
*/
void TextEdit::setText(const std::wstring &text)
{
_value = text;
_caretPos = _value.length();
_redraw = true;
}
/**
* Returns the string displayed on screen.
* @return Text string.
*/
std::wstring TextEdit::getText() const
{
return _value;
}
/**
* Enables/disables text wordwrapping. When enabled, lines of
* text are automatically split to ensure they stay within the
* drawing area, otherwise they simply go off the edge.
* @param wrap Wordwrapping setting.
*/
void TextEdit::setWordWrap(bool wrap)
{
_text->setWordWrap(wrap);
}
/**
* Enables/disables color inverting. Mostly used to make
* button text look pressed along with the button.
* @param invert Invert setting.
*/
void TextEdit::setInvert(bool invert)
{
_text->setInvert(invert);
_caret->setInvert(invert);
}
/**
* Enables/disables high contrast color. Mostly used for
* Battlescape text.
* @param contrast High contrast setting.
*/
void TextEdit::setHighContrast(bool contrast)
{
_text->setHighContrast(contrast);
_caret->setHighContrast(contrast);
}
/**
* Changes the way the text is aligned horizontally
* relative to the drawing area.
* @param align Horizontal alignment.
*/
void TextEdit::setAlign(TextHAlign align)
{
_text->setAlign(align);
}
/**
* Changes the way the text is aligned vertically
* relative to the drawing area.
* @param valign Vertical alignment.
*/
void TextEdit::setVerticalAlign(TextVAlign valign)
{
_text->setVerticalAlign(valign);
}
/**
* Changes the color used to render the text. Unlike regular graphics,
* fonts are greyscale so they need to be assigned a specific position
* in the palette to be displayed.
* @param color Color value.
*/
void TextEdit::setColor(Uint8 color)
{
_text->setColor(color);
_caret->setColor(color);
}
/**
* Returns the color used to render the text.
* @return Color value.
*/
Uint8 TextEdit::getColor() const
{
return _text->getColor();
}
/**
* Changes the secondary color used to render the text. The text
* switches between the primary and secondary color whenever there's
* a 0x01 in the string.
* @param color Color value.
*/
void TextEdit::setSecondaryColor(Uint8 color)
{
_text->setSecondaryColor(color);
}
/**
* Returns the secondary color used to render the text.
* @return Color value.
*/
Uint8 TextEdit::getSecondaryColor() const
{
return _text->getSecondaryColor();
}
/**
* Replaces a certain amount of colors in the text edit's palette.
* @param colors Pointer to the set of colors.
* @param firstcolor Offset of the first color to replace.
* @param ncolors Amount of colors to replace.
*/
void TextEdit::setPalette(SDL_Color *colors, int firstcolor, int ncolors)
{
Surface::setPalette(colors, firstcolor, ncolors);
_text->setPalette(colors, firstcolor, ncolors);
_caret->setPalette(colors, firstcolor, ncolors);
}
/**
* Keeps the animation timers running.
*/
void TextEdit::think()
{
_timer->think(0, this);
}
/**
* Plays the blinking animation when the
* text edit is focused.
*/
void TextEdit::blink()
{
_blink = !_blink;
_redraw = true;
}
/**
* Adds a flashing | caret to the text
* to show when it's focused and editable.
*/
void TextEdit::draw()
{
Surface::draw();
_text->setText(_value);
if (Options::getInt("keyboardMode") == KEYBOARD_OFF)
{
std::wstring newValue = _value;
if (_isFocused && _blink)
{
newValue += _ascii;
_text->setText(newValue);
}
}
clear();
_text->blit(this);
if (Options::getInt("keyboardMode") == KEYBOARD_ON)
{
if (_isFocused && _blink)
{
int x = 0;
switch (_text->getAlign())
{
case ALIGN_LEFT:
x = 0;
break;
case ALIGN_CENTER:
x = (_text->getWidth() - _text->getTextWidth()) / 2;
break;
case ALIGN_RIGHT:
x = _text->getWidth() - _text->getTextWidth();
break;
}
for (unsigned int i = 0; i < _caretPos; ++i)
{
if (_value[i] == ' ')
{
x += _text->getFont()->getWidth() / 2;
}
else
{
x += _text->getFont()->getChar(_value[i])->getCrop()->w + _text->getFont()->getSpacing();
}
}
_caret->setX(x);
_caret->blit(this);
}
}
}
/**
* Checks if adding a certain character to
* the text edit will exceed the maximum width.
* Used to make sure user input stays within bounds.
* @param c Character to add.
* @return True if it exceeds, False if it doesn't.
*/
bool TextEdit::exceedsMaxWidth(wchar_t c)
{
int w = 0;
std::wstring s = _value;
s += c;
for (std::wstring::iterator i = s.begin(); i < s.end(); ++i)
{
if (*i == ' ')
{
w += _text->getFont()->getWidth() / 2;
}
else
{
w += _text->getFont()->getChar(*i)->getCrop()->w + _text->getFont()->getSpacing();
}
}
return (w > getWidth());
}
/**
* Focuses the text edit when it's pressed on.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextEdit::mousePress(Action *action, State *state)
{
if (action->getDetails()->button.button == SDL_BUTTON_LEFT)
{
focus();
}
InteractiveSurface::mousePress(action, state);
}
/**
* Changes the text edit according to keyboard input, and
* unfocuses the text if Enter is pressed.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextEdit::keyboardPress(Action *action, State *state)
{
if (Options::getInt("keyboardMode") == KEYBOARD_OFF)
{
switch (action->getDetails()->key.keysym.sym)
{
case SDLK_UP:
_ascii++;
if (_ascii > L'~')
{
_ascii = L' ';
}
break;
case SDLK_DOWN:
_ascii--;
if (_ascii < L' ')
{
_ascii = L'~';
}
break;
case SDLK_LEFT:
if (_value.length() > 0)
{
_value.resize(_value.length() - 1);
}
break;
case SDLK_RIGHT:
if (!exceedsMaxWidth(_ascii))
{
_value += _ascii;
}
break;
default: break;
}
}
else if (Options::getInt("keyboardMode") == KEYBOARD_ON)
{
switch (action->getDetails()->key.keysym.sym)
{
case SDLK_LEFT:
if (_caretPos > 0)
{
_caretPos--;
}
break;
case SDLK_RIGHT:
if (_caretPos < _value.length())
{
_caretPos++;
}
break;
case SDLK_HOME:
_caretPos = 0;
break;
case SDLK_END:
_caretPos = _value.length();
break;
case SDLK_BACKSPACE:
if (_caretPos > 0)
{
_value.erase(_caretPos - 1, 1);
_caretPos--;
}
break;
case SDLK_DELETE:
if (_caretPos < _value.length())
{
_value.erase(_caretPos, 1);
}
break;
case SDLK_RETURN:
case SDLK_KP_ENTER:
_isFocused = false;
_blink = false;
_timer->stop();
break;
default:
if (action->getDetails()->key.keysym.unicode != 0)
{
if (action->getDetails()->key.keysym.unicode >= L' ' && action->getDetails()->key.keysym.unicode <= L'~' && !exceedsMaxWidth((wchar_t)action->getDetails()->key.keysym.unicode))
{
_value.insert(_caretPos, 1, (wchar_t)action->getDetails()->key.keysym.unicode);
_caretPos++;
}
}
}
}
_redraw = true;
InteractiveSurface::keyboardPress(action, state);
}
}