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