Functions for screen vertices and edges. More...

#include "BLI_listbase.h"
#include "BLI_math_vector.h"
#include "BLI_rect.h"
#include "BKE_screen.hh"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "ED_screen.hh"
#include "MEM_guardedalloc.h"
#include "WM_api.hh"
#include "screen_intern.hh"

Functions
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, const int mx, const int my, int safety)
ScrEdge *	screen_geom_find_active_scredge (const wmWindow win, const bScreen screen, const int mx, const int my)
static bool	screen_geom_vertices_scale_pass (const wmWindow win, const bScreen screen, const rcti *screen_rect)
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, const eScreenAxis dir_axis, float fac)
void	screen_geom_select_connected_edge (const wmWindow win, ScrEdge edge)

Detailed Description

Functions for screen vertices and edges.

Screen geometry refers to the vertices (ScrVert) and edges (ScrEdge) through which the flexible screen-layout system of Blender is established.

Definition in file screen_geometry.cc.

Function Documentation

◆ screen_geom_area_height()

int screen_geom_area_height ( const ScrArea * area )

Definition at line 30 of file screen_geometry.cc.

References screen_geom_area_height(), ScrArea::v1, ScrArea::v2, ScrVert::vec, and vec2s::y.

Referenced by area_move_apply_do(), screen_geom_area_height(), screen_geom_find_area_split_point(), and screen_geom_vertices_scale_pass().

◆ screen_geom_area_map_find_active_scredge()

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

Parameters

bounds_rect Either window or screen bounds. Used to exclude edges along window/screen edges.

Definition at line 74 of file screen_geometry.cc.

References abs, CLAMP_MIN, ScrAreaMap::edgebase, LISTBASE_FOREACH, max, min, screen_geom_area_map_find_active_scredge(), screen_geom_edge_is_horizontal(), rcti::xmax, rcti::xmin, rcti::ymax, and rcti::ymin.

Referenced by actionzone_modal(), area_split_invoke(), screen_area_edge_from_cursor(), screen_geom_area_map_find_active_scredge(), and screen_geom_find_active_scredge().

◆ screen_geom_area_width()

int screen_geom_area_width ( const ScrArea * area )

Definition at line 34 of file screen_geometry.cc.

References screen_geom_area_width(), ScrArea::v1, ScrArea::v4, ScrVert::vec, and vec2s::x.

Referenced by screen_geom_area_width(), and screen_geom_find_area_split_point().

◆ screen_geom_edge_add()

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

Definition at line 64 of file screen_geometry.cc.

References AREAMAP_FROM_SCREEN, screen_geom_edge_add(), screen_geom_edge_add_ex(), and v2.

Referenced by area_split(), screen_add(), screen_area_join_aligned(), and screen_geom_edge_add().

◆ screen_geom_edge_add_ex()

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

Definition at line 53 of file screen_geometry.cc.

References BKE_screen_sort_scrvert(), BLI_addtail(), ScrAreaMap::edgebase, MEM_callocN(), screen_geom_edge_add_ex(), ScrEdge::v1, ScrEdge::v2, and v2.

Referenced by screen_area_create_with_geometry(), screen_geom_edge_add(), and screen_geom_edge_add_ex().

◆ screen_geom_edge_is_horizontal()

bool screen_geom_edge_is_horizontal ( ScrEdge * se )

Definition at line 69 of file screen_geometry.cc.

References screen_geom_edge_is_horizontal(), ScrEdge::v1, ScrEdge::v2, ScrVert::vec, and vec2s::y.

Referenced by area_move_init(), area_split_invoke(), screen_area_edge_from_cursor(), screen_cursor_set(), screen_geom_area_map_find_active_scredge(), and screen_geom_edge_is_horizontal().

◆ screen_geom_find_active_scredge()

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

Need win size to make sure not to include edges along screen edge.

Definition at line 107 of file screen_geometry.cc.

References AREAMAP_FROM_SCREEN, BORDERPADDING, BORDERPADDING_GLOBAL, wmWindow::global_areas, screen_geom_area_map_find_active_scredge(), screen_geom_find_active_scredge(), U, USER_APP_LOCK_EDGE_RESIZE, WM_window_rect_calc(), and WM_window_screen_rect_calc().

Referenced by area_move_init(), screen_cursor_set(), and screen_geom_find_active_scredge().

◆ screen_geom_find_area_split_point()

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

Returns: 0 if no split is possible, otherwise the screen-coordinate at which to split.

Definition at line 297 of file screen_geometry.cc.

References AREAMINX, CLAMP, ED_area_headersize(), round_fl_to_short(), SCREEN_AXIS_H, SCREEN_AXIS_V, screen_geom_area_height(), screen_geom_area_width(), screen_geom_find_area_split_point(), U, UI_SCALE_FAC, ScrArea::v1, ScrArea::v2, ScrArea::v4, ScrVert::vec, vec2s::x, x, rcti::xmax, rcti::xmin, vec2s::y, y, rcti::ymax, and rcti::ymin.

Referenced by area_split(), and screen_geom_find_area_split_point().

◆ screen_geom_select_connected_edge()

void screen_geom_select_connected_edge	(	const wmWindow *	win,
		ScrEdge *	edge )

Select all edges that are directly or indirectly connected to edge.

Definition at line 365 of file screen_geometry.cc.

References ED_screen_verts_iter, bScreen::edgebase, ScrVert::flag, LISTBASE_FOREACH, SCREEN_AXIS_H, SCREEN_AXIS_V, screen_geom_select_connected_edge(), ScrEdge::v1, ScrEdge::v2, ScrVert::vec, WM_window_get_active_screen(), and vec2s::x.

Referenced by area_move_init(), screen_geom_select_connected_edge(), and screen_geom_vertices_scale_pass().

◆ screen_geom_vertex_add()

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

Definition at line 48 of file screen_geometry.cc.

References AREAMAP_FROM_SCREEN, screen_geom_vertex_add(), screen_geom_vertex_add_ex(), x, and y.

Referenced by area_split(), screen_add(), and screen_geom_vertex_add().

◆ screen_geom_vertex_add_ex()

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

Definition at line 39 of file screen_geometry.cc.

References BLI_addtail(), MEM_callocN(), screen_geom_vertex_add_ex(), ScrVert::vec, ScrAreaMap::vertbase, vec2s::x, x, vec2s::y, and y.

Referenced by screen_area_create_with_geometry(), screen_geom_vertex_add(), and screen_geom_vertex_add_ex().

◆ screen_geom_vertices_scale()

void screen_geom_vertices_scale	(	const wmWindow *	win,
		bScreen *	screen )

Main screen-layout calculation function.

Scale areas nicely on window size and DPI changes.
Ensure areas have a minimum height.
Correctly set global areas to their fixed height.

Definition at line 250 of file screen_geometry.cc.

References ScrAreaMap::areabase, ED_area_global_size_y(), GLOBAL_AREA_ALIGN_BOTTOM, GLOBAL_AREA_ALIGN_TOP, GLOBAL_AREA_IS_HIDDEN, wmWindow::global_areas, LISTBASE_FOREACH, screen_geom_vertices_scale(), screen_geom_vertices_scale_pass(), U, WM_window_rect_calc(), WM_window_screen_rect_calc(), rcti::xmax, rcti::xmin, rcti::ymax, and rcti::ymin.

Referenced by screen_geom_vertices_scale(), and screen_refresh_if_needed().

◆ screen_geom_vertices_scale_pass()

bool screen_geom_vertices_scale_pass	(	const wmWindow *	win,
		const bScreen *	screen,
		const rcti *	screen_rect )

static

A single pass for moving all screen vertices to fit into screen_rect.

Returns: true if another pass should be run.

Definition at line 136 of file screen_geometry.cc.

References bScreen::areabase, BKE_screen_find_edge(), BLI_rcti_size_x(), BLI_rcti_size_y(), ceil, CLAMP, ED_area_headersize(), ELEM, LISTBASE_FOREACH, max, min, minmax_v2v2_v2(), round_fl_to_short(), screen_geom_area_height(), screen_geom_select_connected_edge(), screen_geom_vertices_scale_pass(), SPACE_ACTION, U, UI_SCALE_FAC, ScrEdge::v1, bScreen::vertbase, rcti::xmax, rcti::xmin, rcti::ymax, and rcti::ymin.

Referenced by screen_geom_vertices_scale(), and screen_geom_vertices_scale_pass().