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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
)
21 styleChanged(*RenderStyle::style(screen()));
28 void Label::setHorizontalJustify(RenderStyle::Justify j
)
34 void Label::setVerticalJustify(RenderStyle::Justify j
)
40 void Label::setText(const ustring
&text
)
42 bool utf
= text
.utf8();
43 std::string s
= text
.c_str(); // use a normal string, for its functionality
47 // parse it into multiple lines
48 std::string::size_type p
= 0;
49 while (p
!= std::string::npos
) {
50 std::string::size_type p2
= s
.find('\n', p
);
51 _parsedtext
.push_back(s
.substr(p
, (p2
==std::string::npos
?p2
:p2
-p
)));
52 _parsedtext
.back().setUtf8(utf
);
53 p
= (p2
==std::string::npos
?p2
:p2
+1);
58 void Label::setFont(const Font
*f
)
64 void Label::calcDefaultSizes()
66 unsigned int longest
= 0;
67 // find the longest line
68 std::vector
<ustring
>::iterator it
, end
= _parsedtext
.end();
69 for (it
= _parsedtext
.begin(); it
!= end
; ++it
) {
70 unsigned int length
= _font
->measureString(*it
);
71 if (length
> longest
) longest
= length
;
73 setMinSize(Size(longest
+ borderWidth() * 2 + bevel() * 4,
74 _parsedtext
.size() * _font
->height() + borderWidth() * 2 +
78 void Label::styleChanged(const RenderStyle
&style
)
80 _texture
= style
.labelFocusBackground();
81 _forecolor
= style
.textFocusColor();
82 _font
= style
.labelFont();
83 Widget::styleChanged(style
);
87 void Label::renderForeground(Surface
&surface
)
89 const RenderControl
*control
= display
->renderControl(screen());
90 unsigned int sidemargin
= bevel() * 2;
92 unsigned int w
= area().width() - borderWidth() * 2 - sidemargin
* 2;
93 unsigned int h
= area().height() - borderWidth() * 2 - bevel() * 2;
95 switch (_justify_vert
) {
96 case RenderStyle::RightBottomJustify
:
97 y
+= h
- (_parsedtext
.size() * _font
->height());
98 if (y
< bevel()) y
= bevel();
100 case RenderStyle::CenterJustify
:
101 y
+= (h
- (_parsedtext
.size() * _font
->height())) / 2;
102 if (y
< bevel()) y
= bevel();
104 case RenderStyle::LeftTopJustify
:
108 if (w
<= 0) return; // can't fit anything
110 std::vector
<ustring
>::iterator it
, end
= _parsedtext
.end();
111 for (it
= _parsedtext
.begin(); it
!= end
; ++it
, y
+= _font
->height()) {
112 ustring t
= *it
; // the actual text to draw
113 int x
= sidemargin
; // x coord for the text
115 // find a string that will fit inside the area for text
116 ustring::size_type text_len
= t
.size();
121 length
= _font
->measureString(t
);
122 } while (length
> w
&& text_len
-- > 0);
124 if (text_len
<= 0) continue; // won't fit anything
127 switch (_justify_horz
) {
128 case RenderStyle::RightBottomJustify
:
131 case RenderStyle::CenterJustify
:
132 x
+= (w
- length
) / 2;
134 case RenderStyle::LeftTopJustify
:
138 control
->drawString(surface
, *_font
, x
, y
, *_forecolor
, t
);
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