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/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_vec_types.h"
#include "BLI_blenlib.h"
#include "BKE_global.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_area.h"
#include "ED_screen.h"
#include "ED_screen_types.h"
#include "wm_subwindow.h"
#include "screen_intern.h" /* own module include */
/* ******************* screen vert, edge, area managing *********************** */
static ScrVert *screen_addvert(bScreen *sc, short x, short y)
{
ScrVert *sv= MEM_callocN(sizeof(ScrVert), "addscrvert");
sv->vec.x= x;
sv->vec.y= y;
BLI_addtail(&sc->vertbase, sv);
return sv;
}
static void sortscrvert(ScrVert **v1, ScrVert **v2)
{
ScrVert *tmp;
if (*v1 > *v2) {
tmp= *v1;
*v1= *v2;
*v2= tmp;
}
}
static ScrEdge *screen_addedge(bScreen *sc, ScrVert *v1, ScrVert *v2)
{
ScrEdge *se= MEM_callocN(sizeof(ScrEdge), "addscredge");
sortscrvert(&v1, &v2);
se->v1= v1;
se->v2= v2;
BLI_addtail(&sc->edgebase, se);
return se;
}
ScrEdge *screen_findedge(bScreen *sc, ScrVert *v1, ScrVert *v2)
{
ScrEdge *se;
sortscrvert(&v1, &v2);
for (se= sc->edgebase.first; se; se= se->next)
if(se->v1==v1 && se->v2==v2)
return se;
return NULL;
}
void removedouble_scrverts(bScreen *sc)
{
ScrVert *v1, *verg;
ScrEdge *se;
ScrArea *sa;
verg= sc->vertbase.first;
while(verg) {
if(verg->newv==NULL) { /* !!! */
v1= verg->next;
while(v1) {
if(v1->newv==NULL) { /* !?! */
if(v1->vec.x==verg->vec.x && v1->vec.y==verg->vec.y) {
/* printf("doublevert\n"); */
v1->newv= verg;
}
}
v1= v1->next;
}
}
verg= verg->next;
}
/* replace pointers in edges and faces */
se= sc->edgebase.first;
while(se) {
if(se->v1->newv) se->v1= se->v1->newv;
if(se->v2->newv) se->v2= se->v2->newv;
/* edges changed: so.... */
sortscrvert(&(se->v1), &(se->v2));
se= se->next;
}
sa= sc->areabase.first;
while(sa) {
if(sa->v1->newv) sa->v1= sa->v1->newv;
if(sa->v2->newv) sa->v2= sa->v2->newv;
if(sa->v3->newv) sa->v3= sa->v3->newv;
if(sa->v4->newv) sa->v4= sa->v4->newv;
sa= sa->next;
}
/* remove */
verg= sc->vertbase.first;
while(verg) {
v1= verg->next;
if(verg->newv) {
BLI_remlink(&sc->vertbase, verg);
MEM_freeN(verg);
}
verg= v1;
}
}
void removenotused_scrverts(bScreen *sc)
{
ScrVert *sv, *svn;
ScrEdge *se;
/* we assume edges are ok */
se= sc->edgebase.first;
while(se) {
se->v1->flag= 1;
se->v2->flag= 1;
se= se->next;
}
sv= sc->vertbase.first;
while(sv) {
svn= sv->next;
if(sv->flag==0) {
BLI_remlink(&sc->vertbase, sv);
MEM_freeN(sv);
}
else sv->flag= 0;
sv= svn;
}
}
void removedouble_scredges(bScreen *sc)
{
ScrEdge *verg, *se, *sn;
/* compare */
verg= sc->edgebase.first;
while(verg) {
se= verg->next;
while(se) {
sn= se->next;
if(verg->v1==se->v1 && verg->v2==se->v2) {
BLI_remlink(&sc->edgebase, se);
MEM_freeN(se);
}
se= sn;
}
verg= verg->next;
}
}
void removenotused_scredges(bScreen *sc)
{
ScrEdge *se, *sen;
ScrArea *sa;
int a=0;
/* sets flags when edge is used in area */
sa= sc->areabase.first;
while(sa) {
se= screen_findedge(sc, sa->v1, sa->v2);
if(se==0) printf("error: area %d edge 1 doesn't exist\n", a);
else se->flag= 1;
se= screen_findedge(sc, sa->v2, sa->v3);
if(se==0) printf("error: area %d edge 2 doesn't exist\n", a);
else se->flag= 1;
se= screen_findedge(sc, sa->v3, sa->v4);
if(se==0) printf("error: area %d edge 3 doesn't exist\n", a);
else se->flag= 1;
se= screen_findedge(sc, sa->v4, sa->v1);
if(se==0) printf("error: area %d edge 4 doesn't exist\n", a);
else se->flag= 1;
sa= sa->next;
a++;
}
se= sc->edgebase.first;
while(se) {
sen= se->next;
if(se->flag==0) {
BLI_remlink(&sc->edgebase, se);
MEM_freeN(se);
}
else se->flag= 0;
se= sen;
}
}
/* adds no space data */
static ScrArea *screen_addarea(bScreen *sc, ScrVert *v1, ScrVert *v2, ScrVert *v3, ScrVert *v4, short headertype, short spacetype)
{
ScrArea *sa= MEM_callocN(sizeof(ScrArea), "addscrarea");
sa->v1= v1;
sa->v2= v2;
sa->v3= v3;
sa->v4= v4;
sa->headertype= headertype;
sa->spacetype= sa->butspacetype= spacetype;
BLI_addtail(&sc->areabase, sa);
return sa;
}
static void screen_delarea(bScreen *sc, ScrArea *sa)
{
/* XXX need context to cancel operators ED_area_exit(C, sa); */
BKE_screen_area_free(sa);
BLI_remlink(&sc->areabase, sa);
MEM_freeN(sa);
}
/* return 0: no split possible */
/* else return (integer) screencoordinate split point */
static short testsplitpoint(wmWindow *win, ScrArea *sa, char dir, float fac)
{
short x, y;
// area big enough?
if(dir=='v' && (sa->v4->vec.x- sa->v1->vec.x <= 2*AREAMINX)) return 0;
if(dir=='h' && (sa->v2->vec.y- sa->v1->vec.y <= 2*AREAMINY)) return 0;
// to be sure
if(fac<0.0) fac= 0.0;
if(fac>1.0) fac= 1.0;
if(dir=='h') {
y= sa->v1->vec.y+ fac*(sa->v2->vec.y- sa->v1->vec.y);
if(y- sa->v1->vec.y < AREAMINY)
y= sa->v1->vec.y+ AREAMINY;
else if(sa->v2->vec.y- y < AREAMINY)
y= sa->v2->vec.y- AREAMINY;
else y-= (y % AREAGRID);
return y;
}
else {
x= sa->v1->vec.x+ fac*(sa->v4->vec.x- sa->v1->vec.x);
if(x- sa->v1->vec.x < AREAMINX)
x= sa->v1->vec.x+ AREAMINX;
else if(sa->v4->vec.x- x < AREAMINX)
x= sa->v4->vec.x- AREAMINX;
else x-= (x % AREAGRID);
return x;
}
}
ScrArea *area_split(wmWindow *win, bScreen *sc, ScrArea *sa, char dir, float fac)
{
ScrArea *newa=NULL;
ScrVert *sv1, *sv2;
short split;
if(sa==NULL) return NULL;
split= testsplitpoint(win, sa, dir, fac);
if(split==0) return NULL;
if(dir=='h') {
/* new vertices */
sv1= screen_addvert(sc, sa->v1->vec.x, split);
sv2= screen_addvert(sc, sa->v4->vec.x, split);
/* new edges */
screen_addedge(sc, sa->v1, sv1);
screen_addedge(sc, sv1, sa->v2);
screen_addedge(sc, sa->v3, sv2);
screen_addedge(sc, sv2, sa->v4);
screen_addedge(sc, sv1, sv2);
/* new areas: top */
newa= screen_addarea(sc, sv1, sa->v2, sa->v3, sv2, sa->headertype, sa->spacetype);
area_copy_data(newa, sa, 0);
/* area below */
sa->v2= sv1;
sa->v3= sv2;
}
else {
/* new vertices */
sv1= screen_addvert(sc, split, sa->v1->vec.y);
sv2= screen_addvert(sc, split, sa->v2->vec.y);
/* new edges */
screen_addedge(sc, sa->v1, sv1);
screen_addedge(sc, sv1, sa->v4);
screen_addedge(sc, sa->v2, sv2);
screen_addedge(sc, sv2, sa->v3);
screen_addedge(sc, sv1, sv2);
/* new areas: left */
newa= screen_addarea(sc, sa->v1, sa->v2, sv2, sv1, sa->headertype, sa->spacetype);
area_copy_data(newa, sa, 0);
/* area right */
sa->v1= sv1;
sa->v2= sv2;
}
/* remove double vertices en edges */
removedouble_scrverts(sc);
removedouble_scredges(sc);
removenotused_scredges(sc);
return newa;
}
/* empty screen, with 1 dummy area without spacedata */
/* uses window size */
bScreen *screen_add(wmWindow *win, char *name)
{
bScreen *sc;
ScrVert *sv1, *sv2, *sv3, *sv4;
sc= alloc_libblock(&G.main->screen, ID_SCR, name);
sc->scene= G.scene;
sc->do_refresh= 1;
win->screen= sc;
sv1= screen_addvert(sc, 0, 0);
sv2= screen_addvert(sc, 0, win->sizey-1);
sv3= screen_addvert(sc, win->sizex-1, win->sizey-1);
sv4= screen_addvert(sc, win->sizex-1, 0);
screen_addedge(sc, sv1, sv2);
screen_addedge(sc, sv2, sv3);
screen_addedge(sc, sv3, sv4);
screen_addedge(sc, sv4, sv1);
/* dummy type, no spacedata */
screen_addarea(sc, sv1, sv2, sv3, sv4, HEADERDOWN, SPACE_INFO);
return sc;
}
static void screen_copy(bScreen *to, bScreen *from)
{
ScrVert *s1, *s2;
ScrEdge *se;
ScrArea *sa, *saf;
/* free contents of 'to', is from blenkernel screen.c */
free_screen(to);
BLI_duplicatelist(&to->vertbase, &from->vertbase);
BLI_duplicatelist(&to->edgebase, &from->edgebase);
BLI_duplicatelist(&to->areabase, &from->areabase);
to->regionbase.first= to->regionbase.last= NULL;
s2= to->vertbase.first;
for(s1= from->vertbase.first; s1; s1= s1->next, s2= s2->next) {
s1->newv= s2;
}
for(se= to->edgebase.first; se; se= se->next) {
se->v1= se->v1->newv;
se->v2= se->v2->newv;
sortscrvert(&(se->v1), &(se->v2));
}
saf= from->areabase.first;
for(sa= to->areabase.first; sa; sa= sa->next, saf= saf->next) {
sa->v1= sa->v1->newv;
sa->v2= sa->v2->newv;
sa->v3= sa->v3->newv;
sa->v4= sa->v4->newv;
sa->spacedata.first= sa->spacedata.last= NULL;
sa->uiblocks.first= sa->uiblocks.last= NULL;
sa->panels.first= sa->panels.last= NULL;
sa->regionbase.first= sa->regionbase.last= NULL;
sa->actionzones.first= sa->actionzones.last= NULL;
sa->scriptlink.totscript= 0;
area_copy_data(sa, saf, 0);
}
/* put at zero (needed?) */
for(s1= from->vertbase.first; s1; s1= s1->next)
s1->newv= NULL;
}
/* with sa as center, sb is located at: 0=W, 1=N, 2=E, 3=S */
/* -1 = not valid check */
/* used with join operator */
int area_getorientation(bScreen *screen, ScrArea *sa, ScrArea *sb)
{
ScrVert *sav1, *sav2, *sav3, *sav4;
ScrVert *sbv1, *sbv2, *sbv3, *sbv4;
if(sa==NULL || sb==NULL) return -1;
sav1= sa->v1;
sav2= sa->v2;
sav3= sa->v3;
sav4= sa->v4;
sbv1= sb->v1;
sbv2= sb->v2;
sbv3= sb->v3;
sbv4= sb->v4;
if(sav1==sbv4 && sav2==sbv3) { /* sa to right of sb = W */
return 0;
}
else if(sav2==sbv1 && sav3==sbv4) { /* sa to bottom of sb = N */
return 1;
}
else if(sav3==sbv2 && sav4==sbv1) { /* sa to left of sb = E */
return 2;
}
else if(sav1==sbv2 && sav4==sbv3) { /* sa on top of sb = S*/
return 3;
}
return -1;
}
/* Helper function to join 2 areas, it has a return value, 0=failed 1=success
* used by the split, join operators
*/
int screen_area_join(bScreen* scr, ScrArea *sa1, ScrArea *sa2)
{
int dir;
dir = area_getorientation(scr, sa1, sa2);
/*printf("dir is : %i \n", dir);*/
if (dir < 0)
{
if (sa1 ) sa1->flag &= ~AREA_FLAG_DRAWJOINFROM;
if (sa2 ) sa2->flag &= ~AREA_FLAG_DRAWJOINTO;
return 0;
}
if(dir == 0) {
sa1->v1= sa2->v1;
sa1->v2= sa2->v2;
screen_addedge(scr, sa1->v2, sa1->v3);
screen_addedge(scr, sa1->v1, sa1->v4);
}
else if(dir == 1) {
sa1->v2= sa2->v2;
sa1->v3= sa2->v3;
screen_addedge(scr, sa1->v1, sa1->v2);
screen_addedge(scr, sa1->v3, sa1->v4);
}
else if(dir == 2) {
sa1->v3= sa2->v3;
sa1->v4= sa2->v4;
screen_addedge(scr, sa1->v2, sa1->v3);
screen_addedge(scr, sa1->v1, sa1->v4);
}
else if(dir == 3) {
sa1->v1= sa2->v1;
sa1->v4= sa2->v4;
screen_addedge(scr, sa1->v1, sa1->v2);
screen_addedge(scr, sa1->v3, sa1->v4);
}
screen_delarea(scr, sa2);
removedouble_scrverts(scr);
sa1->flag &= ~AREA_FLAG_DRAWJOINFROM;
return 1;
}
/* test if screen vertices should be scaled */
static void screen_test_scale(bScreen *sc, int winsizex, int winsizey)
{
ScrVert *sv=NULL;
ScrArea *sa, *san;
int sizex, sizey;
float facx, facy, tempf, min[2], max[2];
/* calculate size */
min[0]= min[1]= 10000.0f;
max[0]= max[1]= 0.0f;
for(sv= sc->vertbase.first; sv; sv= sv->next) {
min[0]= MIN2(min[0], sv->vec.x);
min[1]= MIN2(min[1], sv->vec.y);
max[0]= MAX2(max[0], sv->vec.x);
max[1]= MAX2(max[1], sv->vec.y);
}
/* always make 0.0 left under */
for(sv= sc->vertbase.first; sv; sv= sv->next) {
sv->vec.x -= min[0];
sv->vec.y -= min[1];
}
sizex= max[0]-min[0];
sizey= max[1]-min[1];
if(sizex!= winsizex || sizey!= winsizey) {
facx= winsizex;
facx/= (float)sizex;
facy= winsizey;
facy/= (float)sizey;
/* make sure it fits! */
for(sv= sc->vertbase.first; sv; sv= sv->next) {
tempf= ((float)sv->vec.x)*facx;
sv->vec.x= (short)(tempf+0.5);
sv->vec.x+= AREAGRID-1;
sv->vec.x-= (sv->vec.x % AREAGRID);
CLAMP(sv->vec.x, 0, winsizex);
tempf= ((float)sv->vec.y )*facy;
sv->vec.y= (short)(tempf+0.5);
sv->vec.y+= AREAGRID-1;
sv->vec.y-= (sv->vec.y % AREAGRID);
CLAMP(sv->vec.y, 0, winsizey);
}
}
/* test for collapsed areas. This could happen in some blender version... */
for(sa= sc->areabase.first; sa; sa= san) {
san= sa->next;
if(sa->v1==sa->v2 || sa->v3==sa->v4 || sa->v2==sa->v3)
screen_delarea(sc, sa);
}
}
/* *********************** DRAWING **************************************** */
#define SCR_BACK 0.55
#define SCR_ROUND 12
/* draw vertical shape visualising future joining (left as well
* right direction of future joining) */
static void draw_horizontal_join_shape(ScrArea *sa, char dir)
{
vec2f points[10];
short i;
float w, h;
float width = sa->v3->vec.x - sa->v1->vec.x;
float height = sa->v3->vec.y - sa->v1->vec.y;
if(height<width) {
h = height/8;
w = height/4;
}
else {
h = width/8;
w = width/4;
}
points[0].x = sa->v1->vec.x;
points[0].y = sa->v1->vec.y + height/2;
points[1].x = sa->v1->vec.x;
points[1].y = sa->v1->vec.y;
points[2].x = sa->v4->vec.x - w;
points[2].y = sa->v4->vec.y;
points[3].x = sa->v4->vec.x - w;
points[3].y = sa->v4->vec.y + height/2 - 2*h;
points[4].x = sa->v4->vec.x - 2*w;
points[4].y = sa->v4->vec.y + height/2;
points[5].x = sa->v4->vec.x - w;
points[5].y = sa->v4->vec.y + height/2 + 2*h;
points[6].x = sa->v3->vec.x - w;
points[6].y = sa->v3->vec.y;
points[7].x = sa->v2->vec.x;
points[7].y = sa->v2->vec.y;
points[8].x = sa->v4->vec.x;
points[8].y = sa->v4->vec.y + height/2 - h;
points[9].x = sa->v4->vec.x;
points[9].y = sa->v4->vec.y + height/2 + h;
if(dir=='l') {
/* when direction is left, then we flip direction of arrow */
float cx = sa->v1->vec.x + width;
for(i=0;i<10;i++) {
points[i].x -= cx;
points[i].x = -points[i].x;
points[i].x += sa->v1->vec.x;
}
}
glBegin(GL_POLYGON);
for(i=0;i<5;i++)
glVertex2f(points[i].x, points[i].y);
glEnd();
glBegin(GL_POLYGON);
for(i=4;i<8;i++)
glVertex2f(points[i].x, points[i].y);
glVertex2f(points[0].x, points[0].y);
glEnd();
glRectf(points[2].x, points[2].y, points[8].x, points[8].y);
glRectf(points[6].x, points[6].y, points[9].x, points[9].y);
}
/* draw vertical shape visualising future joining (up/down direction) */
static void draw_vertical_join_shape(ScrArea *sa, char dir)
{
vec2f points[10];
short i;
float w, h;
float width = sa->v3->vec.x - sa->v1->vec.x;
float height = sa->v3->vec.y - sa->v1->vec.y;
if(height<width) {
h = height/4;
w = height/8;
}
else {
h = width/4;
w = width/8;
}
points[0].x = sa->v1->vec.x + width/2;
points[0].y = sa->v3->vec.y;
points[1].x = sa->v2->vec.x;
points[1].y = sa->v2->vec.y;
points[2].x = sa->v1->vec.x;
points[2].y = sa->v1->vec.y + h;
points[3].x = sa->v1->vec.x + width/2 - 2*w;
points[3].y = sa->v1->vec.y + h;
points[4].x = sa->v1->vec.x + width/2;
points[4].y = sa->v1->vec.y + 2*h;
points[5].x = sa->v1->vec.x + width/2 + 2*w;
points[5].y = sa->v1->vec.y + h;
points[6].x = sa->v4->vec.x;
points[6].y = sa->v4->vec.y + h;
points[7].x = sa->v3->vec.x;
points[7].y = sa->v3->vec.y;
points[8].x = sa->v1->vec.x + width/2 - w;
points[8].y = sa->v1->vec.y;
points[9].x = sa->v1->vec.x + width/2 + w;
points[9].y = sa->v1->vec.y;
if(dir=='u') {
/* when direction is up, then we flip direction of arrow */
float cy = sa->v1->vec.y + height;
for(i=0;i<10;i++) {
points[i].y -= cy;
points[i].y = -points[i].y;
points[i].y += sa->v1->vec.y;
}
}
glBegin(GL_POLYGON);
for(i=0;i<5;i++)
glVertex2f(points[i].x, points[i].y);
glEnd();
glBegin(GL_POLYGON);
for(i=4;i<8;i++)
glVertex2f(points[i].x, points[i].y);
glVertex2f(points[0].x, points[0].y);
glEnd();
glRectf(points[2].x, points[2].y, points[8].x, points[8].y);
glRectf(points[6].x, points[6].y, points[9].x, points[9].y);
}
/* draw join shape due to direction of joining */
static void draw_join_shape(ScrArea *sa, char dir)
{
if(dir=='u' || dir=='d')
draw_vertical_join_shape(sa, dir);
else
draw_horizontal_join_shape(sa, dir);
}
/* draw screen area darker with arrow (visualisation of future joining) */
static void scrarea_draw_shape_dark(ScrArea *sa, char dir)
{
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glColor4ub(0, 0, 0, 50);
draw_join_shape(sa, dir);
glDisable(GL_BLEND);
}
/* draw screen area ligher with arrow shape ("eraser" of previous dark shape) */
static void scrarea_draw_shape_light(ScrArea *sa, char dir)
{
glBlendFunc(GL_DST_COLOR, GL_SRC_ALPHA);
glEnable(GL_BLEND);
/* value 181 was hardly computed: 181~105 */
glColor4ub(255, 255, 255, 50);
/* draw_join_shape(sa, dir); */
glRecti(sa->v1->vec.x, sa->v1->vec.y, sa->v3->vec.x, sa->v3->vec.y);
glDisable(GL_BLEND);
}
/** screen edges drawing **/
static void drawscredge_area(ScrArea *sa)
{
short x1= sa->v1->vec.x;
short y1= sa->v1->vec.y;
short x2= sa->v3->vec.x;
short y2= sa->v3->vec.y;
cpack(0x0);
/* right border area */
sdrawline(x2, y1, x2, y2);
/* left border area */
if(x1>0) { /* otherwise it draws the emboss of window over */
sdrawline(x1, y1, x1, y2);
}
/* top border area */
sdrawline(x1, y2, x2, y2);
/* bottom border area */
sdrawline(x1, y1, x2, y1);
}
/* ****************** EXPORTED API TO OTHER MODULES *************************** */
bScreen *ED_screen_duplicate(wmWindow *win, bScreen *sc)
{
bScreen *newsc;
if(sc->full != SCREENNORMAL) return NULL; /* XXX handle this case! */
/* make new empty screen: */
newsc= screen_add(win, sc->id.name+2);
/* copy all data */
screen_copy(newsc, sc);
return newsc;
}
void ED_screen_do_listen(wmWindow *win, wmNotifier *note)
{
/* generic notes */
switch(note->type) {
case WM_NOTE_WINDOW_REDRAW:
win->screen->do_draw= 1;
break;
case WM_NOTE_SCREEN_CHANGED:
win->screen->do_draw= win->screen->do_refresh= 1;
break;
case WM_NOTE_GESTURE_REDRAW:
win->screen->do_gesture= 1; /* XXX gestures are stored in window, draw per region... a bit weak? wait for proper composite? (ton) */
break;
}
}
void ED_screen_draw(wmWindow *win)
{
ScrArea *sa;
ScrArea *sa1=NULL;
ScrArea *sa2=NULL;
int dir = -1;
int dira = -1;
wm_subwindow_set(win, win->screen->mainwin);
for(sa= win->screen->areabase.first; sa; sa= sa->next) {
if (sa->flag & AREA_FLAG_DRAWJOINFROM) sa1 = sa;
if (sa->flag & AREA_FLAG_DRAWJOINTO) sa2 = sa;
drawscredge_area(sa);
}
/* blended join arrow */
if (sa1 && sa2) {
dir = area_getorientation(win->screen, sa1, sa2);
if (dir >= 0) {
switch(dir) {
case 0: /* W */
dir = 'r';
dira = 'l';
break;
case 1: /* N */
dir = 'd';
dira = 'u';
break;
case 2: /* E */
dir = 'l';
dira = 'r';
break;
case 3: /* S */
dir = 'u';
dira = 'd';
break;
}
}
scrarea_draw_shape_dark(sa2, dir);
scrarea_draw_shape_light(sa1, dira);
}
if(G.f & G_DEBUG) printf("draw screen\n");
win->screen->do_draw= 0;
}
/* make this screen usable */
/* for file read and first use, for scaling window, area moves */
void ED_screen_refresh(wmWindowManager *wm, wmWindow *win)
{
ScrArea *sa;
rcti winrct= {0, win->sizex-1, 0, win->sizey-1};
screen_test_scale(win->screen, win->sizex, win->sizey);
if(win->screen->mainwin==0)
win->screen->mainwin= wm_subwindow_open(win, &winrct);
else
wm_subwindow_position(win, win->screen->mainwin, &winrct);
for(sa= win->screen->areabase.first; sa; sa= sa->next) {
/* set spacetype and region callbacks, calls init() */
/* sets subwindows for regions, adds handlers */
ED_area_initialize(wm, win, sa);
}
if(G.f & G_DEBUG) printf("set screen\n");
win->screen->do_refresh= 0;
}
/* file read, set all screens, ... */
void ED_screens_initialize(wmWindowManager *wm)
{
wmWindow *win;
for(win= wm->windows.first; win; win= win->next) {
if(win->screen==NULL)
win->screen= G.main->screen.first;
ED_screen_refresh(wm, win);
}
}
void ED_region_exit(bContext *C, ARegion *ar)
{
ARegion *prevar= C->region;
C->region= ar;
WM_event_remove_handlers(C, &ar->handlers);
C->region= prevar;
}
void ED_area_exit(bContext *C, ScrArea *sa)
{
ScrArea *prevsa= C->area;
ARegion *ar;
C->area= sa;
for(ar= sa->regionbase.first; ar; ar= ar->next)
ED_region_exit(C, ar);
WM_event_remove_handlers(C, &sa->handlers);
C->area= prevsa;
}
void ED_screen_exit(bContext *C, wmWindow *window, bScreen *screen)
{
wmWindow *prevwin= C?C->window:NULL;
ScrArea *sa;
ARegion *ar;
C->window= window;
for(ar= screen->regionbase.first; ar; ar= ar->next)
ED_region_exit(C, ar);
for(sa= screen->areabase.first; sa; sa= sa->next)
ED_area_exit(C, sa);
WM_event_remove_handlers(C, &window->handlers);
C->window= prevwin;
}
/* called in wm_event_system.c. sets state var in screen */
void ED_screen_set_subwinactive(wmWindow *win)
{
if(win->screen) {
wmEvent *event= win->eventstate;
ScrArea *sa;
int oldswin= win->screen->subwinactive;
/* XXX prevent this call for modal menus now */
if(win->screen->regionbase.first)
return;
for(sa= win->screen->areabase.first; sa; sa= sa->next) {
if(event->x > sa->totrct.xmin && event->x < sa->totrct.xmax)
if(event->y > sa->totrct.ymin && event->y < sa->totrct.ymax)
break;
}
if(sa) {
ARegion *ar;
for(ar= sa->regionbase.first; ar; ar= ar->next) {
if(BLI_in_rcti(&ar->winrct, event->x, event->y))
win->screen->subwinactive= ar->swinid;
}
}
else
win->screen->subwinactive= win->screen->mainwin;
/* check for redraw headers */
if(oldswin!=win->screen->subwinactive) {
for(sa= win->screen->areabase.first; sa; sa= sa->next) {
ARegion *ar;
int do_draw= 0;
for(ar= sa->regionbase.first; ar; ar= ar->next)
if(ar->swinid==oldswin || ar->swinid==win->screen->subwinactive)
do_draw= 1;
if(do_draw) {
for(ar= sa->regionbase.first; ar; ar= ar->next)
if(ar->regiontype==RGN_TYPE_HEADER)
ar->do_draw= 1; /* XXX */
}
}
}
}
}
int ED_screen_area_active(const bContext *C)
{
if(C->screen && C->area) {
ARegion *ar;
for(ar= C->area->regionbase.first; ar; ar= ar->next)
if(ar->swinid == C->screen->subwinactive)
return 1;
}
return 0;
}
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