gri3-wm/include/floating.h

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/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* floating.c: Floating windows.
*
*/
#pragma once
#include "tree.h"
/** Callback for dragging */
typedef void (*callback_t)(Con *, Rect *, uint32_t, uint32_t, const void *);
/** Macro to create a callback function for dragging */
#define DRAGGING_CB(name) \
static void name(Con *con, Rect *old_rect, uint32_t new_x, \
uint32_t new_y, const void *extra)
/** On which border was the dragging initiated? */
typedef enum { BORDER_LEFT = (1 << 0),
BORDER_RIGHT = (1 << 1),
BORDER_TOP = (1 << 2),
BORDER_BOTTOM = (1 << 3) } border_t;
/**
* Enables floating mode for the given container by detaching it from its
* parent, creating a new container around it and storing this container in the
* floating_windows list of the workspace.
*
*/
void floating_enable(Con *con, bool automatic);
/**
* Disables floating mode for the given container by re-attaching the container
* to its old parent.
*
*/
void floating_disable(Con *con, bool automatic);
/**
* Calls floating_enable() for tiling containers and floating_disable() for
* floating containers.
*
* If the automatic flag is set to true, this was an automatic update by a
* change of the window class from the application which can be overwritten by
* the user.
*
*/
void toggle_floating_mode(Con *con, bool automatic);
/**
* Raises the given container in the list of floating containers
*
*/
void floating_raise_con(Con *con);
/**
* Checks if cons coordinates are within its workspace and re-assigns it to
* the actual workspace if not.
*
*/
bool floating_maybe_reassign_ws(Con *con);
/**
* Centers a floating con above the specified rect.
*
*/
void floating_center(Con *con, Rect rect);
#if 0
/**
* Removes the floating client from its workspace and attaches it to the new
* workspace. This is centralized here because it may happen if you move it
* via keyboard and if you move it using your mouse.
*
*/
void floating_assign_to_workspace(Client *client, Workspace *new_workspace);
/**
* Called whenever the user clicks on a border (not the titlebar!) of a
* floating window. Determines on which border the user clicked and launches
* the drag_pointer function with the resize_callback.
*
*/
int floating_border_click(xcb_connection_t *conn, Client *client,
xcb_button_press_event_t *event);
#endif
/**
* Called when the user clicked on the titlebar of a floating window.
* Calls the drag_pointer function with the drag_window callback
*
*/
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void floating_drag_window(Con *con, const xcb_button_press_event_t *event);
/**
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* Called when the user clicked on a floating window while holding the
* floating_modifier and the right mouse button.
* Calls the drag_pointer function with the resize_window callback
*
*/
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void floating_resize_window(Con *con, const bool proportional, const xcb_button_press_event_t *event);
/**
* Called when a floating window is created or resized.
* This function resizes the window if its size is higher or lower than the
* configured maximum/minimum size, respectively.
*
*/
void floating_check_size(Con *floating_con);
#if 0
/**
* Changes focus in the given direction for floating clients.
*
* Changing to the left/right means going to the previous/next floating client,
* changing to top/bottom means cycling through the Z-index.
*
*/
void floating_focus_direction(xcb_connection_t *conn, Client *currently_focused,
direction_t direction);
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/**
* Moves the client 10px to the specified direction.
*
*/
void floating_move(xcb_connection_t *conn, Client *currently_focused,
direction_t direction);
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/**
* Hides all floating clients (or show them if they are currently hidden) on
* the specified workspace.
*
*/
void floating_toggle_hide(xcb_connection_t *conn, Workspace *workspace);
#endif
/**
* This is the return value of a drag operation like drag_pointer.
*
* DRAGGING will indicate the drag action is still in progress and can be
* continued or resolved.
*
* DRAG_SUCCESS will indicate the intention of the drag action should be
* carried out.
*
* DRAG_REVERT will indicate an attempt should be made to restore the state of
* the involved windows to their condition before the drag.
*
* DRAG_ABORT will indicate that the intention of the drag action cannot be
* carried out (e.g. because the window has been unmapped).
*
*/
typedef enum {
DRAGGING = 0,
DRAG_SUCCESS,
DRAG_REVERT,
DRAG_ABORT
} drag_result_t;
/**
* This function grabs your pointer and keyboard and lets you drag stuff around
* (borders). Every time you move your mouse, an XCB_MOTION_NOTIFY event will
* be received and the given callback will be called with the parameters
* specified (client, border on which the click originally was), the original
* rect of the client, the event and the new coordinates (x, y).
*
*/
drag_result_t drag_pointer(Con *con, const xcb_button_press_event_t *event,
xcb_window_t confine_to, border_t border, int cursor,
callback_t callback, const void *extra);
/**
* Repositions the CT_FLOATING_CON to have the coordinates specified by
* newrect, but only if the coordinates are not out-of-bounds. Also reassigns
* the floating con to a different workspace if this move was across different
* outputs.
*
*/
void floating_reposition(Con *con, Rect newrect);
/**
* Fixes the coordinates of the floating window whenever the window gets
* reassigned to a different output (or when the outputs rect changes).
*
*/
void floating_fix_coordinates(Con *con, Rect *old_rect, Rect *new_rect);