322 lines
9.2 KiB
C
322 lines
9.2 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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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* con.c: Functions which deal with containers directly (creating containers,
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* searching containers, getting specific properties from containers,
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* …).
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*
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*/
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#ifndef I3_CON_H
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#define I3_CON_H
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/**
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* Create a new container (and attach it to the given parent, if not NULL).
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* This function initializes the data structures and creates the appropriate
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* X11 IDs using x_con_init().
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*
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*/
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Con *con_new(Con *parent, i3Window *window);
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/**
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* Sets input focus to the given container. Will be updated in X11 in the next
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* run of x_push_changes().
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*
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*/
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void con_focus(Con *con);
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/**
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* Returns true when this node is a leaf node (has no children)
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*
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*/
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bool con_is_leaf(Con *con);
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/**
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* Returns true if this node accepts a window (if the node swallows windows,
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* it might already have swallowed enough and cannot hold any more).
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*
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*/
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bool con_accepts_window(Con *con);
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/**
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* Gets the output container (first container with CT_OUTPUT in hierarchy) this
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* node is on.
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*
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*/
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Con *con_get_output(Con *con);
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/**
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* Gets the workspace container this node is on.
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*
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*/
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Con *con_get_workspace(Con *con);
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/**
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* Searches parenst of the given 'con' until it reaches one with the specified
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* 'orientation'. Aborts when it comes across a floating_con.
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*
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*/
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Con *con_parent_with_orientation(Con *con, orientation_t orientation);
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/**
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* Returns the first fullscreen node below this node.
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*
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*/
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Con *con_get_fullscreen_con(Con *con, int fullscreen_mode);
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/**
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* Returns true if the container is internal, such as __i3_scratch
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*
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*/
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bool con_is_internal(Con *con);
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/**
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* Returns true if the node is floating.
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*
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*/
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bool con_is_floating(Con *con);
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/**
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* Checks if the given container is either floating or inside some floating
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* container. It returns the FLOATING_CON container.
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*
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*/
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Con *con_inside_floating(Con *con);
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/**
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* Checks if the given container is inside a focused container.
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*
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*/
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bool con_inside_focused(Con *con);
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/**
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* Returns the container with the given client window ID or NULL if no such
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* container exists.
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*
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*/
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Con *con_by_window_id(xcb_window_t window);
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/**
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* Returns the container with the given frame ID or NULL if no such container
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* exists.
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*
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*/
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Con *con_by_frame_id(xcb_window_t frame);
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/**
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* Returns the first container below 'con' which wants to swallow this window
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* TODO: priority
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*
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*/
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Con *con_for_window(Con *con, i3Window *window, Match **store_match);
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/**
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* Returns the number of children of this container.
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*
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*/
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int con_num_children(Con *con);
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/**
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* Attaches the given container to the given parent. This happens when moving
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* a container or when inserting a new container at a specific place in the
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* tree.
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*
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* ignore_focus is to just insert the Con at the end (useful when creating a
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* new split container *around* some containers, that is, detaching and
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* attaching them in order without wanting to mess with the focus in between).
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*
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*/
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void con_attach(Con *con, Con *parent, bool ignore_focus);
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/**
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* Detaches the given container from its current parent
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*
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*/
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void con_detach(Con *con);
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/**
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* Updates the percent attribute of the children of the given container. This
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* function needs to be called when a window is added or removed from a
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* container.
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*
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*/
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void con_fix_percent(Con *con);
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/**
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* Toggles fullscreen mode for the given container. Fullscreen mode will not be
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* entered when there already is a fullscreen container on this workspace.
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*
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*/
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void con_toggle_fullscreen(Con *con, int fullscreen_mode);
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/**
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* Moves the given container to the currently focused container on the given
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* workspace.
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*
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* The fix_coordinates flag will translate the current coordinates (offset from
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* the monitor position basically) to appropriate coordinates on the
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* destination workspace.
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* Not enabling this behaviour comes in handy when this function gets called by
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* floating_maybe_reassign_ws, which will only "move" a floating window when it
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* *already* changed its coordinates to a different output.
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*
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* The dont_warp flag disables pointer warping and will be set when this
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* function is called while dragging a floating window.
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*
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* TODO: is there a better place for this function?
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*
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*/
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void con_move_to_workspace(Con *con, Con *workspace, bool fix_coordinates, bool dont_warp);
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/**
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* Returns the orientation of the given container (for stacked containers,
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* vertical orientation is used regardless of the actual orientation of the
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* container).
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*
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*/
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int con_orientation(Con *con);
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/**
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* Returns the container which will be focused next when the given container
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* is not available anymore. Called in tree_close and con_move_to_workspace
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* to properly restore focus.
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*
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*/
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Con *con_next_focused(Con *con);
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/**
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* Get the next/previous container in the specified orientation. This may
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* travel up until it finds a container with suitable orientation.
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*
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*/
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Con *con_get_next(Con *con, char way, orientation_t orientation);
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/**
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* Returns the focused con inside this client, descending the tree as far as
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* possible. This comes in handy when attaching a con to a workspace at the
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* currently focused position, for example.
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*
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*/
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Con *con_descend_focused(Con *con);
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/**
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* Returns the focused con inside this client, descending the tree as far as
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* possible. This comes in handy when attaching a con to a workspace at the
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* currently focused position, for example.
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*
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* Works like con_descend_focused but considers only tiling cons.
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*
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*/
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Con *con_descend_tiling_focused(Con *con);
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/*
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* Returns the leftmost, rightmost, etc. container in sub-tree. For example, if
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* direction is D_LEFT, then we return the rightmost container and if direction
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* is D_RIGHT, we return the leftmost container. This is because if we are
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* moving D_LEFT, and thus want the rightmost container.
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*/
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Con *con_descend_direction(Con *con, direction_t direction);
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/**
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* Returns a "relative" Rect which contains the amount of pixels that need to
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* be added to the original Rect to get the final position (obviously the
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* amount of pixels for normal, 1pixel and borderless are different).
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*
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*/
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Rect con_border_style_rect(Con *con);
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/**
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* Returns adjacent borders of the window. We need this if hide_edge_borders is
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* enabled.
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*/
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adjacent_t con_adjacent_borders(Con *con);
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/**
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* Use this function to get a container’s border style. This is important
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* because when inside a stack, the border style is always BS_NORMAL.
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* For tabbed mode, the same applies, with one exception: when the container is
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* borderless and the only element in the tabbed container, the border is not
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* rendered.
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*
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* For children of a CT_DOCKAREA, the border style is always none.
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*
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*/
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int con_border_style(Con *con);
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/**
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* Sets the given border style on con, correctly keeping the position/size of a
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* floating window.
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*
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*/
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void con_set_border_style(Con *con, int border_style, int border_width);
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/**
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* This function changes the layout of a given container. Use it to handle
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* special cases like changing a whole workspace to stacked/tabbed (creates a
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* new split container before).
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*
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*/
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void con_set_layout(Con *con, int layout);
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/**
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* This function toggles the layout of a given container. toggle_mode can be
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* either 'default' (toggle only between stacked/tabbed/last_split_layout),
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* 'split' (toggle only between splitv/splith) or 'all' (toggle between all
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* layouts).
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*
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*/
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void con_toggle_layout(Con *con, const char *toggle_mode);
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/**
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* Determines the minimum size of the given con by looking at its children (for
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* split/stacked/tabbed cons). Will be called when resizing floating cons
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*
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*/
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Rect con_minimum_size(Con *con);
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/**
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* Returns true if changing the focus to con would be allowed considering
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* the fullscreen focus constraints. Specifically, if a fullscreen container or
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* any of its descendants is focused, this function returns true if and only if
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* focusing con would mean that focus would still be visible on screen, i.e.,
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* the newly focused container would not be obscured by a fullscreen container.
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*
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* In the simplest case, if a fullscreen container or any of its descendants is
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* fullscreen, this functions returns true if con is the fullscreen container
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* itself or any of its descendants, as this means focus wouldn't escape the
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* boundaries of the fullscreen container.
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*
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* In case the fullscreen container is of type CF_OUTPUT, this function returns
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* true if con is on a different workspace, as focus wouldn't be obscured by
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* the fullscreen container that is constrained to a different workspace.
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*
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* Note that this same logic can be applied to moving containers. If a
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* container can be focused under the fullscreen focus constraints, it can also
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* become a parent or sibling to the currently focused container.
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*
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*/
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bool con_fullscreen_permits_focusing(Con *con);
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/**
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* Checks if the given container has an urgent child.
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*
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*/
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bool con_has_urgent_child(Con *con);
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/**
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* Make all parent containers urgent if con is urgent or clear the urgent flag
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* of all parent containers if there are no more urgent children left.
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*
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*/
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void con_update_parents_urgency(Con *con);
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/**
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* Create a string representing the subtree under con.
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*
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*/
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char *con_get_tree_representation(Con *con);
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#endif
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