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rofi/include/xcb.h

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/*
* rofi
*
* MIT/X11 License
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* Copyright © 2013-2019 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
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#ifndef ROFI_XCB_H
#define ROFI_XCB_H
#include <xcb/xcb.h>
#include <cairo.h>
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/**
* xcb data structure type declaration.
*/
typedef struct _xcb_stuff xcb_stuff;
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/**
* Global pointer to xcb_stuff instance.
*/
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extern xcb_stuff *xcb;
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/**
* Get the root window.
*
* @returns the root window.
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*/
xcb_window_t xcb_stuff_get_root_window ( void );
/**
* @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 );
/**
* @param w The xcb_window_t to set property on
* @param prop Atom of the property to change
* @param atoms List of atoms to change the property too
* @param count The length of the atoms list.
*
* Set property on window.
*/
void window_set_atom_prop ( xcb_window_t w, xcb_atom_t prop, xcb_atom_t *atoms, int count );
/** For getting the atoms in an enum */
#define ATOM_ENUM( x ) x
/** Get the atoms as strings. */
#define ATOM_CHAR( x ) # x
/** Atoms we want to pre-load */
#define EWMH_ATOMS( X ) \
X ( _NET_WM_WINDOW_OPACITY ), \
X ( I3_SOCKET_PATH ), \
X ( UTF8_STRING ), \
X ( STRING ), \
X ( CLIPBOARD ), \
X ( WM_WINDOW_ROLE ), \
X ( _XROOTPMAP_ID ), \
X ( _MOTIF_WM_HINTS ), \
X ( ESETROOT_PMAP_ID )
/** enumeration of the atoms. */
enum { EWMH_ATOMS ( ATOM_ENUM ), NUM_NETATOMS };
/** atoms as string */
extern const char *netatom_names[];
/** atoms */
extern xcb_atom_t netatoms[NUM_NETATOMS];
/**
* Structure describing a workarea/monitor.
*/
typedef struct _workarea
{
/** numeric monitor id. */
int monitor_id;
/** if monitor is set as primary monitor. */
int primary;
/** Horizontal location (in pixels) of the monitor. */
int x;
/** Vertical location (in pixels) of the monitor. */
int y;
/** Width of the monitor. */
int w;
/** Height of the monitor */
int h;
int mw, mh;
/** Output name of the monitor, e.g. eDP1 or VGA-1 */
char *name;
/** Pointer to next monitor */
struct _workarea *next;
} workarea;
/**
* @param mon workarea to be filled in.
*
* Fills in #mon with the information about the monitor rofi should show on.
*
* @returns TRUE if monitor is found, FALSE if no monitor could be detected.
*/
int monitor_active ( workarea *mon );
/**
* Depth of visual
*/
extern xcb_depth_t *depth;
/**
* Visual to use for creating window
*/
extern xcb_visualtype_t *visual;
/**
* Color map to use for creating window
*/
extern xcb_colormap_t map;
/**
* Gets a surface containing the background image of the desktop.
*
* @returns a cairo surface with the background image of the desktop.
*/
cairo_surface_t * x11_helper_get_bg_surface ( void );
/**
* Gets a surface for the root window of the desktop.
*
* Can be used to take screenshot.
*
* @returns a cairo surface for the root window of the desktop.
*/
cairo_surface_t *x11_helper_get_screenshot_surface ( void );
/**
* @param window The X11 window to modify
*
* Set the right hints to disable the window decoration.
* (Set MOTIF_WM_HINTS, decoration field)
*/
void x11_disable_decoration ( xcb_window_t window );
/**
* List of window managers that need different behaviour to functioning.
*/
typedef enum
{
/** Default EWHM compatible window manager */
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WM_EWHM = 0,
/** I3 Window manager */
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WM_DO_NOT_CHANGE_CURRENT_DESKTOP = 1,
/** PANGO WORKSPACE NAMES */
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WM_PANGO_WORKSPACE_NAMES = 2,
} WindowManagerQuirk;
/**
* Indicates the current window manager.
* This is used for work-arounds.
*/
extern WindowManagerQuirk current_window_manager;
/**
* @param window the window the screenshot
* @param size Size of the thumbnail
*
* Creates a thumbnail of the window.
*
* @returns NULL if window was not found, or unmapped, otherwise returns a cairo_surface.
*/
cairo_surface_t *x11_helper_get_screenshot_surface_window ( xcb_window_t window, int size );
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#endif