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Dogcows Code - chaz/tint2/blob - src/util/area.h
1 /**************************************************************************
2 * Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
4 * base class for all graphical objects (panel, taskbar, task, systray, clock, ...).
5 * Area is at the begining of each object (&object == &area).
7 * Area manage the background and border drawing, size and padding.
8 * Each Area has one Pixmap (pix).
10 * Area manage the tree of all objects. Parent object drawn before child object.
11 * panel -> taskbars -> tasks
15 * draw_foreground(obj) and resize(obj) are virtual function.
17 **************************************************************************/
25 #include <cairo-xlib.h>
52 // coordinate relative to panel window
54 // width and height including border
59 // list of child : Area object
63 // need compute position and width
67 // paddingxlr = horizontal padding left/right
68 // paddingx = horizontal padding between childs
69 int paddingxlr
, paddingx
, paddingy
;
75 // each object can overwrite following function
76 void (*_draw_foreground
)(void *obj
, cairo_t
*c
);
77 void (*_resize
)(void *obj
);
78 void (*_add_child
)(void *obj
);
79 int (*_remove_child
)(void *obj
);
80 const char* (*_get_tooltip_text
)(void *obj
);
85 // draw background and foreground
86 void refresh (Area
*a
);
90 // set 'redraw' on an area and childs
91 void set_redraw (Area
*a
);
95 void draw_background (Area
*a
, cairo_t
*c
);
97 void remove_area (Area
*a
);
98 void add_area (Area
*a
);
99 void free_area (Area
*a
);
101 // draw rounded rectangle
102 void draw_rect(cairo_t
*c
, double x
, double y
, double w
, double h
, double r
);
104 // clear pixmap with transparent color
105 void clear_pixmap(Pixmap p
, int x
, int y
, int w
, int h
);
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