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
|
/* Battle Tanks Game
* Copyright (C) 2006-2009 Battle Tanks team
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Additional rights can be granted beyond the GNU General Public License
* on the terms provided in the Exception. If you modify this file,
* you may extend this exception to your version of the file,
* but you are not obligated to do so. If you do not wish to provide this
* exception without modification, you must delete this exception statement
* from your version and license this file solely under the GPL without exception.
*/
#include "text_control.h"
#include "resource_manager.h"
#include "sdlx/font.h"
#include "config.h"
#include "sound/mixer.h"
#include "mrt/utf8_utils.h"
#include <stdlib.h>
#include <ctype.h>
void TextControl::changing() const {
Mixer->playSample(NULL, "menu/change.ogg", false);
}
NumericControl::NumericControl(const std::string &font, const int value) : TextControl(font, 8) {
set(value);
}
const bool NumericControl::validate(const int idx, const int c) const {
if (idx == 0 && (c == '+' || c == '-'))
return true;
return (c >= '0' && c <= '9');
}
void NumericControl::set(const int value) {
TextControl::set(mrt::format_string("%d", value));
}
const int NumericControl::get() const {
const std::string &value = TextControl::get();
if (value.empty())
return 0;
return atoi(value.c_str());
}
HostTextControl::HostTextControl(const std::string &font) : TextControl(font, 255) {}
const bool HostTextControl::validate(const int idx, const int c) const {
if (c >= 'a' && c <= 'z')
return true;
if (c >= '0' && c <= '9')
return true;
if (idx != 0 && (c == '.' || c == '-' || c == ':'))
return true;
return false;
}
/////////////////////////////////////////////////////////////
TextControl::TextControl(const std::string &font, unsigned max_len) :
_max_len(max_len), _blink(true), _cursor_visible(true), _cursor_position(0) {
_font = ResourceManager->loadFont(font, true);
GET_CONFIG_VALUE("menu.cursor-blinking-interval", float, cbi, 0.4f);
_blink.set(cbi);
}
void TextControl::set(const std::string &value) {
_text = value;
_cursor_position = _text.size();
}
const std::string& TextControl::get() const {
return _text;
}
void TextControl::tick(const float dt) {
if (_blink.tick(dt))
_cursor_visible = !_cursor_visible;
Control::tick(dt);
}
bool TextControl::onKey(const SDL_keysym sym) {
switch(sym.sym) {
case SDLK_HOME:
_cursor_position = 0;
break;
case SDLK_END:
_cursor_position = _text.size();
break;
case SDLK_LEFT:
_cursor_position = mrt::utf8_left(_text, _cursor_position);
break;
case SDLK_RIGHT:
_cursor_position = mrt::utf8_right(_text, _cursor_position);
break;
case SDLK_BACKSPACE:
if (sym.mod & KMOD_CTRL) {
//set(std::string());
size_t next = _cursor_position;
while(next > 0) {
next = mrt::utf8_left(_text, next);
if (_text[next] & 0x80)
continue;
if (!isalnum(_text[next]))
break;
}
_text.erase(next, _cursor_position - next);
_cursor_position = next;
break;
}
if (!_text.empty() && _cursor_position > 0) {
_cursor_position = mrt::utf8_backspace(_text, _cursor_position);
}
break;
case SDLK_DELETE: {
if (_cursor_position >= _text.size())
break;
size_t r = mrt::utf8_right(_text, _cursor_position);
mrt::utf8_backspace(_text, r);
}
break;
default: {
int c = sym.unicode;
//LOG_DEBUG(("%d", c));
if (c >= SDLK_SPACE) {
if (_max_len && mrt::utf8_length(_text) >= _max_len)
return true;
if (validate(_cursor_position, c)) {
if (_cursor_position >= _text.size()) {
mrt::utf8_add_wchar(_text, c);
_cursor_position = _text.size();
} else {
std::string chr;
mrt::utf8_add_wchar(chr, c);
_text.insert(_cursor_position, chr);
_cursor_position += chr.size();
}
return true;
}
}
return false;
}
}
changing();
return true;
}
void TextControl::render(sdlx::Surface &surface, const int x, const int y) const {
int xp = x;
if (!_text.empty())
xp += _font->render(surface, xp, y, _text.substr(0, _cursor_position));
int xc = xp;
int cw = 0, curw = 0;
if (_cursor_visible && _cursor_position < _text.size()) {
cw = _font->render(NULL, 0, 0, std::string(&_text[_cursor_position], 1));
curw = _font->render(NULL, 0, 0, "_");
}
if (!_text.empty() && _cursor_position < _text.size())
_font->render(surface, xp, y, _text.substr(_cursor_position));
if (_cursor_visible) {
_font->render(surface, xc + (cw - curw) / 2 , y+ 4, "_");
}
}
void TextControl::get_size(int &w, int &h) const {
h = _font->get_height();
w = (_text.empty())?0:_font->render(NULL, 0, 0, _text);
}
|
