#include "DNA_space_types.h"

Macros
#define	SCREEN_DIR_IS_VERTICAL(dir) (ELEM(dir, SCREEN_DIR_N, SCREEN_DIR_S))

#define	SCREEN_DIR_IS_HORIZONTAL(dir) (ELEM(dir, SCREEN_DIR_W, SCREEN_DIR_E))

#define	AZONESPOTW UI_HEADER_OFFSET /* width of corner #AZone - max */

#define	AZONESPOTH (0.6f * U.widget_unit) /* height of corner #AZone */

#define	AZONEFADEIN (5.0f * U.widget_unit) /* when #AZone is totally visible */

#define	AZONEFADEOUT (6.5f * U.widget_unit) /* when we start seeing the #AZone */

#define	AREAJOINTOLERANCEX (AREAMINX * UI_SCALE_FAC)

#define	AREAJOINTOLERANCEY (HEADERY * UI_SCALE_FAC)

#define	BORDERPADDING ((3.0f * UI_SCALE_FAC) + U.pixelsize)

Enumerations
enum	eScreenDir { SCREEN_DIR_NONE = -1 , SCREEN_DIR_W = 0 , SCREEN_DIR_N = 1 , SCREEN_DIR_E = 2 , SCREEN_DIR_S = 3 }

enum	eScreenAxis { SCREEN_AXIS_H = 'h' , SCREEN_AXIS_V = 'v' }

enum class	AreaDockTarget { None , Right , Left , Top , Bottom , Center }

Functions
void	ED_area_data_copy (ScrArea area_dst, ScrArea area_src, bool do_free)

void	ED_area_data_swap (ScrArea area_dst, ScrArea area_src)

void	region_toggle_hidden (bContext C, ARegion region, bool do_fade)

void	screen_draw_join_highlight (const wmWindow win, ScrArea sa1, ScrArea *sa2, eScreenDir dir)

void	screen_draw_dock_preview (ScrArea source, ScrArea target, AreaDockTarget dock_target, float factor, int x, int y)

void	screen_draw_split_preview (ScrArea *area, eScreenAxis dir_axis, float factor)

void	screen_draw_move_highlight (bScreen *screen, eScreenAxis dir_axis)

bScreen *	screen_add (Main bmain, const char name, const rcti *rect)

void	screen_data_copy (bScreen to, bScreen from)

void	screen_new_activate_prepare (const wmWindow win, bScreen screen_new)

void	screen_change_update (bContext C, wmWindow win, bScreen *screen)

void	screen_change_prepare (bScreen screen_old, bScreen screen_new, Main bmain, bContext C, wmWindow *win)

ScrArea *	area_split (const wmWindow win, bScreen screen, ScrArea *area, eScreenAxis dir_axis, float fac, bool merge)

int	screen_area_join (bContext C, bScreen screen, ScrArea sa1, ScrArea sa2)

eScreenDir	area_getorientation (ScrArea sa_a, ScrArea sa_b)

void	area_getoffsets (ScrArea sa_a, ScrArea sa_b, eScreenDir dir, int r_offset1, int r_offset2)

bool	screen_area_close (bContext C, bScreen screen, ScrArea *area)

void	screen_area_spacelink_add (const Scene scene, ScrArea area, eSpace_Type space_type)

AZone *	ED_area_actionzone_find_xy (ScrArea *area, const int xy[2])

int	screen_geom_area_height (const ScrArea *area)

int	screen_geom_area_width (const ScrArea *area)

ScrVert *	screen_geom_vertex_add_ex (ScrAreaMap *area_map, short x, short y)

ScrVert *	screen_geom_vertex_add (bScreen *screen, short x, short y)

ScrEdge *	screen_geom_edge_add_ex (ScrAreaMap area_map, ScrVert v1, ScrVert *v2)

ScrEdge *	screen_geom_edge_add (bScreen screen, ScrVert v1, ScrVert *v2)

bool	screen_geom_edge_is_horizontal (ScrEdge *se)

ScrEdge *	screen_geom_area_map_find_active_scredge (const ScrAreaMap area_map, const rcti bounds_rect, int mx, int my)

ScrEdge *	screen_geom_find_active_scredge (const wmWindow win, const bScreen screen, int mx, int my)

void	screen_geom_vertices_scale (const wmWindow win, bScreen screen)
	Main screen-layout calculation function.

short	screen_geom_find_area_split_point (const ScrArea area, const rcti window_rect, eScreenAxis dir_axis, float fac)

void	screen_geom_select_connected_edge (const wmWindow win, ScrEdge edge)

int	ed_screen_context (const bContext C, const char member, bContextDataResult *result)

void	SCREEN_OT_screenshot (wmOperatorType *ot)

void	SCREEN_OT_screenshot_area (wmOperatorType *ot)

bool	workspace_layout_set_poll (const WorkSpaceLayout *layout)