2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
7 * xcb.c: Helper functions for easier usage of XCB
16 #define _NET_WM_STATE_REMOVE 0
17 #define _NET_WM_STATE_ADD 1
18 #define _NET_WM_STATE_TOGGLE 2
20 /** This is the equivalent of XC_left_ptr. I’m not sure why xcb doesn’t have a
21 * constant for that. */
22 #define XCB_CURSOR_LEFT_PTR 68
23 #define XCB_CURSOR_SB_H_DOUBLE_ARROW 108
24 #define XCB_CURSOR_SB_V_DOUBLE_ARROW 116
25 #define XCB_CURSOR_WATCH 150
27 /* from X11/keysymdef.h */
28 #define XCB_NUM_LOCK 0xff7f
30 /* The event masks are defined here because we don’t only set them once but we
31 need to set slight variations of them (without XCB_EVENT_MASK_ENTER_WINDOW
32 while rendering the layout) */
33 /** The XCB_CW_EVENT_MASK for the child (= real window) */
34 #define CHILD_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE | \
35 XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
36 XCB_EVENT_MASK_FOCUS_CHANGE)
38 /** The XCB_CW_EVENT_MASK for its frame */
39 #define FRAME_EVENT_MASK (XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed/released */ \
40 XCB_EVENT_MASK_BUTTON_RELEASE | \
41 XCB_EVENT_MASK_POINTER_MOTION | /* …mouse is moved */ \
42 XCB_EVENT_MASK_EXPOSURE | /* …our window needs to be redrawn */ \
43 XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* …the frame gets destroyed */ \
44 XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | /* …the application tries to resize itself */ \
45 XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | /* …subwindows get notifies */ \
46 XCB_EVENT_MASK_ENTER_WINDOW) /* …user moves cursor inside our window */
48 #define xmacro(atom) xcb_atom_t A_ ## atom;
49 #include "atoms.xmacro"
52 extern unsigned int xcb_numlock_mask;
55 * Convenience wrapper around xcb_create_window which takes care of depth,
56 * generating an ID and checking for errors.
59 xcb_window_t create_window(xcb_connection_t *conn, Rect r, uint16_t depth, xcb_visualid_t visual,
60 uint16_t window_class, enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values);
63 * Draws a line from x,y to to_x,to_y using the given color
66 void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable,
67 xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
68 uint32_t y, uint32_t to_x, uint32_t to_y);
71 * Draws a rectangle from x,y with width,height using the given color
74 void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable,
75 xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
76 uint32_t y, uint32_t width, uint32_t height);
79 * Generates a configure_notify_event with absolute coordinates (relative to
80 * the X root window, not to the client’s frame) for the given client.
83 void fake_absolute_configure_notify(Con *con);
86 * Sends the WM_TAKE_FOCUS ClientMessage to the given window
89 void send_take_focus(xcb_window_t window);
92 * Raises the given window (typically client->frame) above all other windows
95 void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window);
98 * Configures the given window to have the size/position specified by given rect
101 void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r);
104 bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom);
107 * Moves the mouse pointer into the middle of rect.
110 void xcb_warp_pointer_rect(xcb_connection_t *conn, Rect *rect);
113 * Set the cursor of the root window to the given cursor id.
114 * This function should only be used if xcursor_supported == false.
115 * Otherwise, use xcursor_set_root_cursor().
118 void xcb_set_root_cursor(int cursor);
121 * Get depth of visual specified by visualid
124 uint16_t get_visual_depth(xcb_visualid_t visual_id);
127 * Get visualid with specified depth
130 xcb_visualid_t get_visualid_by_depth(uint16_t depth);