wmi

git clone git://oldgit.suckless.org/wmi/
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label.h (1539B)

      1 // Copyright (c) 2003 - 2009 Anselm R Garbe <anselm@garbe.us>
      2 // See LICENSE for license details.
      3 
      4 #ifndef __LABEL_H
      5 #define __LABEL_H
      6 
      7 extern "C" {
      8 #include <X11/Xlib.h>
      9 }
     10 
     11 #include <string>
     12 #include "wmi.h"
     13 
     14 #include "rectangle.h"
     15 
     16 class Monitor;
     17 class WFont;
     18 
     19 /**
     20  * Represents a low-level label widget implementation with alignment
     21  * handling.
     22  *
     23  * This widget is capable of using old style PCF fonts and new style
     24  * XFT fonts.
     25  */
     26 class Label : public Rectangle
     27 {
     28 
     29 public:
     30 
     31     enum Alignment {LEFT, CENTER, RIGHT};
     32 
     33     Label(Monitor *monitor, Window window, Alignment align, GC gc);
     34 
     35     ~Label();
     36 
     37     void setText(string text);
     38 
     39     string text() const;
     40 
     41     /** 
     42      * Updates this label.
     43      * @param leftBorder if <code>true</code> a left border
     44      *        will be drawn.
     45      * @param rightBorder if <code>true</code> a right border
     46      *        will be drawn.
     47      */
     48     void update(unsigned long background, unsigned long text,
     49                 unsigned long shine, unsigned long shadow,
     50                 bool shineBorder = false, bool shadowBorder = false);
     51 
     52     void setAlignment(const Alignment align);
     53 
     54     /**
     55      * Adjusts label width with the currently set text. 
     56      * Returns the adjusted width.
     57      */
     58     unsigned int adjustWidth();
     59 
     60     /**
     61      * Helper method for adjustWidth, also useful for menu and bar stuff.
     62      */
     63     unsigned int textWidth();
     64 
     65 private:
     66 
     67     Alignment align_;
     68     GC gc_;
     69     Monitor *monitor_;
     70     string text_;
     71     Window window_;
     72     WFont *font_;
     73 };
     74 
     75 #endif // __LABEL_H