rofi/include/x11-helper.h
2016-05-09 08:47:28 +02:00

151 lines
3.7 KiB
C

#ifndef X11_ROFI_HELPER_H
#define X11_ROFI_HELPER_H
#include <glib.h>
#include <cairo.h>
#include <xcb/xcb.h>
#include "xkb.h"
/**
* @defgroup X11Helper X11Helper
* @ingroup HELPERS
* @{
*/
/**
* @param display Connection to the X server.
* @param w The xcb_window_t to read property from.
* @param atom The property identifier
*
* Get text property defined by atom from window.
* Support utf8.
*
* @returns a newly allocated string with the result or NULL
*/
char* window_get_text_prop ( xcb_window_t w, xcb_atom_t atom );
void window_set_atom_prop ( xcb_window_t w, xcb_atom_t prop, xcb_atom_t *atoms, int count );
/**
* xcb_window_t info.
*/
#define ATOM_ENUM( x ) x
#define ATOM_CHAR( x ) # x
// usable space on a monitor
#define EWMH_ATOMS( X ) \
X ( _NET_WM_WINDOW_OPACITY ), \
X ( I3_SOCKET_PATH ), \
X ( UTF8_STRING ), \
X ( STRING ), \
X ( WM_WINDOW_ROLE ), \
X ( _XROOTPMAP_ID ), \
X ( ESETROOT_PMAP_ID )
enum { EWMH_ATOMS ( ATOM_ENUM ), NUM_NETATOMS };
extern const char *netatom_names[];
extern xcb_atom_t netatoms[NUM_NETATOMS];
typedef struct
{
int x, y, w, h;
int l, r, t, b;
} workarea;
void monitor_active ( workarea *mon );
// find the dimensions of the monitor displaying point x,y
void monitor_dimensions ( int x, int y, workarea *mon );
// Find the dimensions of the monitor specified by user.
int monitor_get_dimension ( int monitor, workarea *mon );
int monitor_get_smallest_size ( void );
/**
* Release keyboard.
*/
void release_keyboard ( void );
void release_pointer ( void );
/**
* @param w xcb_window_t we want to grab keyboard on.
*
* Grab keyboard and mouse.
*
* @return 1 when keyboard is grabbed, 0 not.
*/
int take_keyboard ( xcb_window_t w );
int take_pointer ( xcb_window_t w );
/**
* @param mask The mask to canonilize
*
* @return The canonilized mask
*/
unsigned int x11_canonalize_mask ( unsigned int mask );
unsigned int x11_get_current_mask ( xkb_stuff *xkb );
/**
* @param combo String representing the key combo
* @param mod [out] The modifier specified (or AnyModifier if not specified)
* @param key [out] The key specified
*
* Parse key from user input string.
*/
gboolean x11_parse_key ( char *combo, unsigned int *mod, xkb_keysym_t *key, gboolean *release );
/**
* @param display The connection to the X server.
* @param box The window to set the opacity on.
* @param opacity The opacity value. (0-100)
*
* Set the opacity of the window and sub-windows.
*/
void x11_set_window_opacity ( xcb_window_t box, unsigned int opacity );
/**
* Setup several items required.
* * Error handling,
* * Numlock detection
* * Cache
*/
void x11_setup ( xkb_stuff *xkb );
extern xcb_depth_t *depth;
extern xcb_visualtype_t *visual;
extern xcb_colormap_t map;
extern xcb_depth_t *root_depth;
extern xcb_visualtype_t *root_visual;
/**
* This function tries to create a 32bit TrueColor colormap.
* If this fails, it falls back to the default for the connected display.
*/
void x11_create_visual_and_colormap ( void );
typedef struct
{
double red, green, blue, alpha;
} Color;
/**
* @param display Connection to the X server.
* @param name String representing the color.
*
* Allocate a pixel value for an X named color
*/
Color color_get ( const char *const name );
void color_background ( cairo_t *d );
void color_border ( cairo_t *d );
void color_separator ( cairo_t *d );
void x11_helper_set_cairo_rgba ( cairo_t *d, Color col );
/**
* Gets a surface containing the background image of the desktop.
*
* @param a cairo surface with the background image of the desktop.
*/
cairo_surface_t * x11_helper_get_bg_surface ( void );
/*@}*/
#endif