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Dogcows Code - chaz/openbox/blob - otk/label.cc
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
);
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