154 lines
5.0 KiB
C
154 lines
5.0 KiB
C
/*
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* vim:ts=8:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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*
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* (c) 2009 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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*
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*/
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#ifndef _XCB_H
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#define _XCB_H
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#include "data.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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/* 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_ENTER_WINDOW)
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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_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 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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* Loads a font for usage, getting its height. This function is used very
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* often, so it maintains a cache.
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*
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*/
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i3Font *load_font(xcb_connection_t *conn, const char *pattern);
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/**
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* Returns the colorpixel to use for the given hex color (think of HTML).
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*
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* The hex_color has to start with #, for example #FF00FF.
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*
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* NOTE that get_colorpixel() does _NOT_ check the given color code for
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* validity. This has to be done by the caller.
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*
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*/
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uint32_t get_colorpixel(xcb_connection_t *conn, char *hex);
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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 window_class,
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int cursor, bool map, uint32_t mask, uint32_t *values);
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/**
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* Changes a single value in the graphic context (so one doesn’t have to
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* define an array of values)
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*
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*/
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void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc,
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uint32_t mask, uint32_t value);
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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 and sends it to the given window
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* Applications need this to think they’ve configured themselves correctly.
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* The truth is, however, that we will manage them.
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*
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*/
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void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window);
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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(xcb_connection_t *conn, Client *client);
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/**
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* Finds out which modifier mask is the one for numlock, as the user may
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* change this.
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*
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*/
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void xcb_get_numlock_mask(xcb_connection_t *conn);
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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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*
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* Prepares the given Cached_Pixmap for usage (checks whether the size of the
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* object this pixmap is related to (e.g. a window) has changed and re-creates
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* the pixmap if so).
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*
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*/
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void cached_pixmap_prepare(xcb_connection_t *conn, struct Cached_Pixmap *pixmap);
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/**
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* Calculate the width of the given text (16-bit characters, UCS) with given
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* real length (amount of glyphs) using the given font.
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*
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*/
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int predict_text_width(xcb_connection_t *conn, const char *font_pattern, char *text,
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int length);
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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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#endif
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