128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/*
|
||
* vim:ts=4:sw=4:expandtab
|
||
*
|
||
* i3 - an improved dynamic tiling window manager
|
||
* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
|
||
*
|
||
* xcb.c: Helper functions for easier usage of XCB
|
||
*
|
||
*/
|
||
#ifndef _XCB_H
|
||
#define _XCB_H
|
||
|
||
#include "data.h"
|
||
#include "xcursor.h"
|
||
|
||
#define _NET_WM_STATE_REMOVE 0
|
||
#define _NET_WM_STATE_ADD 1
|
||
#define _NET_WM_STATE_TOGGLE 2
|
||
|
||
/** This is the equivalent of XC_left_ptr. I’m not sure why xcb doesn’t have a
|
||
* constant for that. */
|
||
#define XCB_CURSOR_LEFT_PTR 68
|
||
#define XCB_CURSOR_SB_H_DOUBLE_ARROW 108
|
||
#define XCB_CURSOR_SB_V_DOUBLE_ARROW 116
|
||
#define XCB_CURSOR_WATCH 150
|
||
|
||
/* from X11/keysymdef.h */
|
||
#define XCB_NUM_LOCK 0xff7f
|
||
|
||
/* The event masks are defined here because we don’t only set them once but we
|
||
need to set slight variations of them (without XCB_EVENT_MASK_ENTER_WINDOW
|
||
while rendering the layout) */
|
||
/** The XCB_CW_EVENT_MASK for the child (= real window) */
|
||
#define CHILD_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE | \
|
||
XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
|
||
XCB_EVENT_MASK_FOCUS_CHANGE)
|
||
|
||
/** The XCB_CW_EVENT_MASK for its frame */
|
||
#define FRAME_EVENT_MASK (XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed/released */ \
|
||
XCB_EVENT_MASK_BUTTON_RELEASE | \
|
||
XCB_EVENT_MASK_POINTER_MOTION | /* …mouse is moved */ \
|
||
XCB_EVENT_MASK_EXPOSURE | /* …our window needs to be redrawn */ \
|
||
XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* …the frame gets destroyed */ \
|
||
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | /* …the application tries to resize itself */ \
|
||
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | /* …subwindows get notifies */ \
|
||
XCB_EVENT_MASK_ENTER_WINDOW) /* …user moves cursor inside our window */
|
||
|
||
#define xmacro(atom) xcb_atom_t A_ ## atom;
|
||
#include "atoms.xmacro"
|
||
#undef xmacro
|
||
|
||
extern unsigned int xcb_numlock_mask;
|
||
|
||
/**
|
||
* Convenience wrapper around xcb_create_window which takes care of depth,
|
||
* generating an ID and checking for errors.
|
||
*
|
||
*/
|
||
xcb_window_t create_window(xcb_connection_t *conn, Rect r, uint16_t window_class,
|
||
enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values);
|
||
|
||
/**
|
||
* Draws a line from x,y to to_x,to_y using the given color
|
||
*
|
||
*/
|
||
void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable,
|
||
xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
|
||
uint32_t y, uint32_t to_x, uint32_t to_y);
|
||
|
||
/**
|
||
* Draws a rectangle from x,y with width,height using the given color
|
||
*
|
||
*/
|
||
void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable,
|
||
xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
|
||
uint32_t y, uint32_t width, uint32_t height);
|
||
|
||
/**
|
||
* Generates a configure_notify_event with absolute coordinates (relative to
|
||
* the X root window, not to the client’s frame) for the given client.
|
||
*
|
||
*/
|
||
void fake_absolute_configure_notify(Con *con);
|
||
|
||
/**
|
||
* Sends the WM_TAKE_FOCUS ClientMessage to the given window
|
||
*
|
||
*/
|
||
void send_take_focus(xcb_window_t window);
|
||
|
||
/**
|
||
* Raises the given window (typically client->frame) above all other windows
|
||
*
|
||
*/
|
||
void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window);
|
||
|
||
/**
|
||
* Calculate the width of the given text (16-bit characters, UCS) with given
|
||
* real length (amount of glyphs) using the given font.
|
||
*
|
||
*/
|
||
int predict_text_width(char *text, int length);
|
||
|
||
/**
|
||
* Configures the given window to have the size/position specified by given rect
|
||
*
|
||
*/
|
||
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r);
|
||
|
||
|
||
bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom);
|
||
|
||
/**
|
||
* Moves the mouse pointer into the middle of rect.
|
||
*
|
||
*/
|
||
void xcb_warp_pointer_rect(xcb_connection_t *conn, Rect *rect);
|
||
|
||
/**
|
||
* Set the cursor of the root window to the given cursor id.
|
||
* This function should only be used if xcursor_supported == false.
|
||
* Otherwise, use xcursor_set_root_cursor().
|
||
*
|
||
*/
|
||
void xcb_set_root_cursor(int cursor);
|
||
|
||
#endif
|