gri3-wm/include/render.h

50 lines
1.4 KiB
C

/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* render.c: Renders (determines position/sizes) the layout tree, updating the
* various rects. Needs to be pushed to X11 (see x.c) to be visible.
*
*/
#pragma once
#include <config.h>
/**
* This is used to keep a state to pass around when rendering a con in render_con().
*
*/
typedef struct render_params {
/* A copy of the coordinates of the container which is being rendered. */
int x;
int y;
/* The computed height for decorations. */
int deco_height;
/* Container rect, subtract container border. This is the actually usable space
* inside this container for clients. */
Rect rect;
/* The number of children of the container which is being rendered. */
int children;
/* A precalculated list of sizes of each child. */
int *sizes;
} render_params;
/**
* "Renders" the given container (and its children), meaning that all rects are
* updated correctly. Note that this function does not call any xcb_*
* functions, so the changes are completely done in memory only (and
* side-effect free). As soon as you call x_push_changes(), the changes will be
* updated in X11.
*
*/
void render_con(Con *con);
/**
* Returns the height for the decorations
*
*/
int render_deco_height(void);