e2ebe3e2ae
#pragma once is safer and simpler. According to Wikipedia it's supported by all major compilers.
139 lines
4.8 KiB
C
139 lines
4.8 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* xcb.c: Helper functions for easier usage of XCB
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*
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*/
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#pragma once
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#include "data.h"
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#include "xcursor.h"
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#define _NET_WM_STATE_REMOVE 0
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#define _NET_WM_STATE_ADD 1
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#define _NET_WM_STATE_TOGGLE 2
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/** This is the equivalent of XC_left_ptr. I’m not sure why xcb doesn’t have a
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* constant for that. */
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#define XCB_CURSOR_LEFT_PTR 68
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#define XCB_CURSOR_SB_H_DOUBLE_ARROW 108
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#define XCB_CURSOR_SB_V_DOUBLE_ARROW 116
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#define XCB_CURSOR_WATCH 150
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/* from X11/keysymdef.h */
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#define XCB_NUM_LOCK 0xff7f
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/* The event masks are defined here because we don’t only set them once but we
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need to set slight variations of them (without XCB_EVENT_MASK_ENTER_WINDOW
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while rendering the layout) */
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/** The XCB_CW_EVENT_MASK for the child (= real window) */
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#define CHILD_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE | \
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XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
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XCB_EVENT_MASK_FOCUS_CHANGE)
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/** The XCB_CW_EVENT_MASK for its frame */
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#define FRAME_EVENT_MASK (XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed/released */ \
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XCB_EVENT_MASK_BUTTON_RELEASE | \
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XCB_EVENT_MASK_POINTER_MOTION | /* …mouse is moved */ \
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XCB_EVENT_MASK_EXPOSURE | /* …our window needs to be redrawn */ \
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XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* …the frame gets destroyed */ \
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XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | /* …the application tries to resize itself */ \
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XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | /* …subwindows get notifies */ \
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XCB_EVENT_MASK_ENTER_WINDOW) /* …user moves cursor inside our window */
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#define ROOT_EVENT_MASK (XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | \
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XCB_EVENT_MASK_BUTTON_PRESS | \
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XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* when the user adds a screen (e.g. video \
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projector), the root window gets a \
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ConfigureNotify */ \
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XCB_EVENT_MASK_POINTER_MOTION | \
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XCB_EVENT_MASK_PROPERTY_CHANGE | \
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XCB_EVENT_MASK_ENTER_WINDOW)
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#define xmacro(atom) xcb_atom_t A_ ## atom;
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#include "atoms.xmacro"
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#undef xmacro
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extern unsigned int xcb_numlock_mask;
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/**
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* Convenience wrapper around xcb_create_window which takes care of depth,
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* generating an ID and checking for errors.
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*
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*/
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xcb_window_t create_window(xcb_connection_t *conn, Rect r, uint16_t depth, xcb_visualid_t visual,
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uint16_t window_class, enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values);
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/**
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* Draws a line from x,y to to_x,to_y using the given color
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*
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*/
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void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable,
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xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
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uint32_t y, uint32_t to_x, uint32_t to_y);
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/**
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* Draws a rectangle from x,y with width,height using the given color
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*
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*/
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void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable,
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xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
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uint32_t y, uint32_t width, uint32_t height);
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/**
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* Generates a configure_notify_event with absolute coordinates (relative to
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* the X root window, not to the client’s frame) for the given client.
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*
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*/
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void fake_absolute_configure_notify(Con *con);
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/**
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* Sends the WM_TAKE_FOCUS ClientMessage to the given window
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*
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*/
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void send_take_focus(xcb_window_t window);
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/**
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* Raises the given window (typically client->frame) above all other windows
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*
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*/
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void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window);
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/**
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* Configures the given window to have the size/position specified by given rect
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*
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*/
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void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r);
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bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom);
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/**
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* Moves the mouse pointer into the middle of rect.
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*
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*/
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void xcb_warp_pointer_rect(xcb_connection_t *conn, Rect *rect);
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/**
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* Set the cursor of the root window to the given cursor id.
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* This function should only be used if xcursor_supported == false.
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* Otherwise, use xcursor_set_root_cursor().
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*
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*/
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void xcb_set_root_cursor(int cursor);
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/**
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* Get depth of visual specified by visualid
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*
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*/
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uint16_t get_visual_depth(xcb_visualid_t visual_id);
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/**
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* Get visualid with specified depth
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*
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*/
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xcb_visualid_t get_visualid_by_depth(uint16_t depth);
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