Project::OSiRiON - Git repositories
Project::OSiRiON
News . About . Screenshots . Downloads . Forum . Wiki . Tracker . Git
summaryrefslogtreecommitdiff
blob: 5e000d20373b8d15a2aedca55944199c96479baf (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
/*
   ui/input.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "ui/input.h"
#include "ui/paint.h"
#include "auxiliary/functions.h"
#include "core/core.h"
#include "render/render.h"

namespace ui
{

Input::Input(Widget *parent) : Widget(parent)
{
	input_text.clear();
	input_pos = 0;
	
	set_label("input");
	set_background(false);
	set_border(false);
}

Input::~Input()
{
}

void Input::clear()
{
	input_text.clear();
	input_pos = 0;
}
void Input::set_text(std::string const &text)
{
	input_text.assign(text);
	input_pos = input_text.size();
}

void Input::set_text(const char *text)
{
	if (text)
		input_text.assign(text);
	else
		input_text.clear();
	input_pos = input_text.size();
}

void Input::draw()
{
	draw_background();
	draw_border();
	
	size_t text_width = (size_t) width() / font()->width();
	math::Vector2f v(global_location());
	paint::color(palette()->foreground());
	
	// draw the part before the cursor
	std::string firstpart(input_text.substr(0, input_pos));
	size_t draw_width = 0;
	const char *c = firstpart.c_str();
	
	while (*c) {
		if (aux::is_color_code(c)) {
			c++;
		} else {
			draw_width++;
		}
		c++;
	}
	
	c = firstpart.c_str();
	while (*c && draw_width > text_width - 2) {
		if (aux::is_color_code(c)) {
			c++;
			render::Text::setcolor(*c);
		} else {
			draw_width--;
		}
		c++;
	}
	
	if (*c) {
		paint::text(v, size(), font(), std::string(c), AlignLeft | AlignVCenter);
	}
	
	// draw the part behind the cursor
	v.x += draw_width * font()->width();
	if (input_pos < input_text.size()) {
		if (input_pos > 1 && aux::is_color_code(input_text.c_str() + input_pos -1)) {
			render::Text::setcolor(input_text[input_pos]);
		}
		// limit to width
		std::string secondpart;
		c = &input_text.c_str()[input_pos];
		while (*c && (draw_width <= (text_width - 2))) {
			if (aux::is_color_code(c)) {
				c++;
			} else {
				draw_width++;
				secondpart += *c;
			}
			c++;
		}

		paint::text(v, size(), font(), secondpart, AlignLeft | AlignVCenter);
	}
	
	// draw the cursor
	if (has_input_focus() && (core::application()->time() - ::floorf(core::application()->time())) < 0.5f) {
		std::string cursor("^B");
		cursor += (char) 11;
		paint::text(v, size(), font(), cursor, AlignLeft | AlignVCenter);
	}
}

bool Input::on_keypress(const int key, const unsigned int modifier)
{
	switch (key) {
		case SDLK_TAB:
			core::CommandBuffer::complete(input_text, input_pos);
			return true;
			break;
			
		case SDLK_HOME:
			input_pos = 0;
			return true;
			break;
			
		case SDLK_END:
			input_pos = input_text.size();
			return true;
			break;
			
		case SDLK_LEFT:
			if (input_pos > 0)
				input_pos--;
			return true;
			break;
			
		case SDLK_RIGHT:
			if (input_pos < input_text.size())
				input_pos++;
			return true;
			break;
			
		case SDLK_DELETE:
			if (input_text.size() && input_pos < input_text.size()) {
				input_text.erase(input_pos, 1);
			}
			return true;
			break;
			
		case SDLK_BACKSPACE:
			if (input_text.size() && input_pos) {
				input_text.erase(input_pos-1, 1);
				input_pos--;
			}
			return true;
			break;
			
		default:
			if ((key >= 32) && (key <175)) {
				if (input_pos == input_text.size())
					input_text += (char)key;
				else
					input_text.insert(input_pos, 1, (char)key);
				input_pos++;
				return true;
			}
			break;
	}
	
	return false;
}
bool Input::on_keyrelease(const int key, const unsigned int modifier)
{
	return false;
}

}