/* * vim:ts=4:sw=4:expandtab * * i3 - an improved dynamic tiling window manager * * © 2009-2011 Michael Stapelberg and contributors * * See file LICENSE for license information. * */ #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 /* 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; /** * Loads a font for usage, also getting its height. If fallback is true, * i3 loads 'fixed' or '-misc-*' if the font cannot be found instead of * exiting. * */ i3Font load_font(const char *pattern, bool fallback); /** * Returns the colorpixel to use for the given hex color (think of HTML). * * The hex_color has to start with #, for example #FF00FF. * * NOTE that get_colorpixel() does _NOT_ check the given color code for * validity. This has to be done by the caller. * */ uint32_t get_colorpixel(char *hex); /** * 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); /** * Changes a single value in the graphic context (so one doesn’t have to * define an array of values) * */ void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc, uint32_t mask, uint32_t value); /** * 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 and sends it to the given window * Applications need this to think they’ve configured themselves correctly. * The truth is, however, that we will manage them. * */ void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window); /** * 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); /** * Finds out which modifier mask is the one for numlock, as the user may * change this. * */ void xcb_get_numlock_mask(xcb_connection_t *conn); /** * 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); #endif