1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
4 # include "../config.h"
9 #include "rendercontrol.hh"
15 Label::Label(Widget *parent)
18 _justify_horz(RenderStyle::LeftTopJustify),
19 _justify_vert(RenderStyle::LeftTopJustify),
22 styleChanged(*RenderStyle::style(screen()));
29 void Label::setHorizontalJustify(RenderStyle::Justify j)
35 void Label::setVerticalJustify(RenderStyle::Justify j)
41 void Label::setHighlighted(bool h)
44 styleChanged(*RenderStyle::style(screen()));
48 void Label::setText(const ustring &text)
50 bool utf = text.utf8();
51 std::string s = text.c_str(); // use a normal string, for its functionality
55 // parse it into multiple lines
56 std::string::size_type p = 0;
57 while (p != std::string::npos) {
58 std::string::size_type p2 = s.find('\n', p);
59 _parsedtext.push_back(s.substr(p, (p2==std::string::npos?p2:p2-p)));
60 _parsedtext.back().setUtf8(utf);
61 p = (p2==std::string::npos?p2:p2+1);
66 void Label::setFont(const Font *f)
72 void Label::calcDefaultSizes()
75 // find the longest line
76 std::vector<ustring>::iterator it, end = _parsedtext.end();
77 for (it = _parsedtext.begin(); it != end; ++it) {
78 int length = _font->measureString(*it);
79 if (length < 0) continue; // lines too long get skipped
80 if (length > longest) longest = length;
82 setMinSize(Size(longest + borderWidth() * 2 + bevel() * 4,
83 _parsedtext.size() * _font->height() + borderWidth() * 2 +
87 void Label::styleChanged(const RenderStyle &style)
90 _texture = style.labelFocusBackground();
91 _forecolor = style.textFocusColor();
93 _texture = style.labelUnfocusBackground();
94 _forecolor = style.textUnfocusColor();
96 if (_font != style.labelFont()) {
97 _font = style.labelFont();
102 void Label::renderForeground(Surface &surface)
104 const RenderControl *control = display->renderControl(screen());
105 int sidemargin = bevel() * 2;
107 int w = area().width() - borderWidth() * 2 - sidemargin * 2;
108 int h = area().height() - borderWidth() * 2 - bevel() * 2;
110 switch (_justify_vert) {
111 case RenderStyle::RightBottomJustify:
112 y += h - (_parsedtext.size() * _font->height());
113 if (y < bevel()) y = bevel();
115 case RenderStyle::CenterJustify:
116 y += (h - (_parsedtext.size() * _font->height())) / 2;
117 if (y < bevel()) y = bevel();
119 case RenderStyle::LeftTopJustify:
123 if (w <= 0) return; // can't fit anything
125 std::vector<ustring>::iterator it, end = _parsedtext.end();
126 for (it = _parsedtext.begin(); it != end; ++it, y += _font->height()) {
127 ustring t = *it; // the actual text to draw
128 int x = sidemargin; // x coord for the text
130 // find a string that will fit inside the area for text
131 ustring::size_type text_len = t.size();
136 length = _font->measureString(t);
137 } while (length > w && text_len-- > 0);
138 if (length < 0) continue; // lines too long get skipped
140 if (text_len <= 0) continue; // won't fit anything
143 switch (_justify_horz) {
144 case RenderStyle::RightBottomJustify:
147 case RenderStyle::CenterJustify:
148 x += (w - length) / 2;
150 case RenderStyle::LeftTopJustify:
154 control->drawString(surface, *_font, x, y, *_forecolor, t);