Differential D11057 Diff 36451 source/blender/editors/screen/screen_edit.c

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source/blender/editors/screen/screen_edit.c

Show First 20 Lines • Show All 278 Lines • ▼ Show 20 Lines	void screen_new_activate_prepare(const wmWindow win, bScreen screen_new)
screen_new->do_draw = true;		screen_new->do_draw = true;
}		}

/* with area as center, sb is located at: 0=W, 1=N, 2=E, 3=S */		/* with area as center, sb is located at: 0=W, 1=N, 2=E, 3=S */
/* -1 = not valid check */		/* -1 = not valid check */
/* used with join operator */		/* used with join operator */
int area_getorientation(ScrArea area, ScrArea sb)		int area_getorientation(ScrArea area, ScrArea sb)
{		{
if (area == NULL \|\| sb == NULL) {		if (area == NULL \|\| sb == NULL \|\| area == sb) {
return -1;		return -1;
}		}

ScrVert *saBL = area->v1;		vec2s saBL = area->v1->vec;
ScrVert *saTL = area->v2;		vec2s saTL = area->v2->vec;
ScrVert *saTR = area->v3;		vec2s saTR = area->v3->vec;
ScrVert *saBR = area->v4;		vec2s saBR = area->v4->vec;

ScrVert *sbBL = sb->v1;		vec2s sbBL = sb->v1->vec;
ScrVert *sbTL = sb->v2;		vec2s sbTL = sb->v2->vec;
ScrVert *sbTR = sb->v3;		vec2s sbTR = sb->v3->vec;
ScrVert *sbBR = sb->v4;		vec2s sbBR = sb->v4->vec;

if (saBL->vec.x == sbBR->vec.x && saTL->vec.x == sbTR->vec.x) { /* area to right of sb = W */		if (saBL.x == sbBR.x && saTL.x == sbTR.x) { /* area to right of sb = W */
if ((abs(saBL->vec.y - sbBR->vec.y) <= AREAJOINTOLERANCE) &&		if ((MIN2(saTL.y, sbTR.y) - MAX2(saBL.y, sbBR.y)) > AREAJOINTOLERANCEY) {
(abs(saTL->vec.y - sbTR->vec.y) <= AREAJOINTOLERANCE)) {
return 0;		return 0;
}		}
}		}
else if (saTL->vec.y == sbBL->vec.y &&		else if (saTL.y == sbBL.y && saTR.y == sbBR.y) { /* area to bottom of sb = N */
saTR->vec.y == sbBR->vec.y) { /* area to bottom of sb = N */		if ((MIN2(saTR.x, sbBR.x) - MAX2(saTL.x, sbBL.x)) > AREAJOINTOLERANCEX) {
if ((abs(saTL->vec.x - sbBL->vec.x) <= AREAJOINTOLERANCE) &&
(abs(saTR->vec.x - sbBR->vec.x) <= AREAJOINTOLERANCE)) {
return 1;		return 1;
}		}
}		}
else if (saTR->vec.x == sbTL->vec.x && saBR->vec.x == sbBL->vec.x) { /* area to left of sb = E */		else if (saTR.x == sbTL.x && saBR.x == sbBL.x) { /* area to left of sb = E */
if ((abs(saTR->vec.y - sbTL->vec.y) <= AREAJOINTOLERANCE) &&		if ((MIN2(saTR.y, sbTL.y) - MAX2(saBR.y, sbBL.y)) > AREAJOINTOLERANCEY) {
(abs(saBR->vec.y - sbBL->vec.y) <= AREAJOINTOLERANCE)) {
return 2;		return 2;
}		}
}		}
else if (saBL->vec.y == sbTL->vec.y && saBR->vec.y == sbTR->vec.y) { /* area on top of sb = S*/		else if (saBL.y == sbTL.y && saBR.y == sbTR.y) { /* area on top of sb = S */
if ((abs(saBL->vec.x - sbTL->vec.x) <= AREAJOINTOLERANCE) &&		if ((MIN2(saBR.x, sbTR.x) - MAX2(saBL.x, sbTL.x)) > AREAJOINTOLERANCEX) {
(abs(saBR->vec.x - sbTR->vec.x) <= AREAJOINTOLERANCE)) {
return 3;		return 3;
}		}
}		}

return -1;		return -1;
}		}

		/* Get alignment offset of adjacent areas. 'dir' value is like area_getorientation(). */
		void area_getoffsets(ScrArea area, ScrArea sb, const int dir, int offset1, int offset2)
		{
		if (area == NULL \|\| sb == NULL) {
		*offset1 = INT_MAX;
		*offset2 = INT_MAX;
		}
		else if (dir == 0) { /* West: sa on right and sb to the left. */
		*offset1 = sb->v3->vec.y - area->v2->vec.y;
		*offset2 = sb->v4->vec.y - area->v1->vec.y;
		}
		else if (dir == 1) { /* North: sa below and sb above. */
		*offset1 = area->v2->vec.x - sb->v1->vec.x;
		*offset2 = area->v3->vec.x - sb->v4->vec.x;
		}
		else if (dir == 2) { /* East: sa on left and sb to the right. */
		*offset1 = sb->v2->vec.y - area->v3->vec.y;
		*offset2 = sb->v1->vec.y - area->v4->vec.y;
		}
		else if (dir == 3) { /* South: sa above and sb below. */
		*offset1 = area->v1->vec.x - sb->v2->vec.x;
		*offset2 = area->v4->vec.x - sb->v3->vec.x;
		}
		else {
		*offset1 = INT_MAX;
		*offset2 = INT_MAX;
		}
		}

/* Screen verts with horizontal position equal to from_x are moved to to_x. */		/* Screen verts with horizontal position equal to from_x are moved to to_x. */
static void screen_verts_halign(const wmWindow *win,		static void screen_verts_halign(const wmWindow *win,
const bScreen *screen,		const bScreen *screen,
const short from_x,		const short from_x,
const short to_x)		const short to_x)
{		{
ED_screen_verts_iter(win, screen, v1)		ED_screen_verts_iter(win, screen, v1)
{		{
▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines	else {
screen_verts_halign(win, screen, sa1->v3->vec.x, right);		screen_verts_halign(win, screen, sa1->v3->vec.x, right);

/* Move edges exactly matching target left and right */		/* Move edges exactly matching target left and right */
screen_verts_halign(win, screen, sa2->v1->vec.x, left);		screen_verts_halign(win, screen, sa2->v1->vec.x, left);
screen_verts_halign(win, screen, sa2->v3->vec.x, right);		screen_verts_halign(win, screen, sa2->v3->vec.x, right);
}		}
}		}

/* Helper function to join 2 areas, it has a return value, 0=failed 1=success		/* Simple join of two areas without any splitting. Will return false if not possible. */
* used by the split, join operators		static bool screen_area_join_aligned(bContext C, bScreen screen, ScrArea sa1, ScrArea sa2)
*/
int screen_area_join(bContext C, bScreen screen, ScrArea sa1, ScrArea sa2)
{		{
int dir = area_getorientation(sa1, sa2);		int dir = area_getorientation(sa1, sa2);

if (dir == -1) {		if (dir == -1) {
return 0;		return false;
		}

		int offset1;
		int offset2;
		area_getoffsets(sa1, sa2, dir, &offset1, &offset2);

		int tolerance = ELEM(dir, 0, 2) ? AREAJOINTOLERANCEY : AREAJOINTOLERANCEX;
		if ((abs(offset1) >= tolerance) \|\| (abs(offset2) >= tolerance)) {
		return false;
}		}

/* Align areas if they are not. Do sanity checking before getting here. */		/* Align areas if they are not. */
screen_areas_align(C, screen, sa1, sa2, dir);		screen_areas_align(C, screen, sa1, sa2, dir);

if (dir == 0) { /* sa1 to right of sa2 = W */		if (dir == 0) { /* sa1 to right of sa2 = W */
sa1->v1 = sa2->v1; /* BL */		sa1->v1 = sa2->v1; /* BL */
sa1->v2 = sa2->v2; /* TL */		sa1->v2 = sa2->v2; /* TL */
screen_geom_edge_add(screen, sa1->v2, sa1->v3);		screen_geom_edge_add(screen, sa1->v2, sa1->v3);
screen_geom_edge_add(screen, sa1->v1, sa1->v4);		screen_geom_edge_add(screen, sa1->v1, sa1->v4);
}		}
Show All 16 Lines	else if (dir == 3) { /* sa1 on top of sa2 = S */
screen_geom_edge_add(screen, sa1->v3, sa1->v4);		screen_geom_edge_add(screen, sa1->v3, sa1->v4);
}		}

screen_delarea(C, screen, sa2);		screen_delarea(C, screen, sa2);
BKE_screen_remove_double_scrverts(screen);		BKE_screen_remove_double_scrverts(screen);
/* Update preview thumbnail */		/* Update preview thumbnail */
BKE_icon_changed(screen->id.icon_id);		BKE_icon_changed(screen->id.icon_id);

return 1;		return true;
		}

		/* Slice off and return new area. "Reverse" gives right/bottom, rather than left/top. */
		static ScrArea *screen_area_trim(
		bContext C, bScreen screen, ScrArea **area, int size, int dir, bool reverse)
		{
		bool vertical = ELEM(dir, 1, 3);
		if (abs(size) < (vertical ? AREAJOINTOLERANCEX : AREAJOINTOLERANCEY)) {
		return NULL;
		}

		/* Measurement with ScrVerts because winx and winy might not be correct at this time. */
		float fac = abs(size) / (float)(vertical ? ((area)->v3->vec.x - (area)->v1->vec.x) :
		((area)->v3->vec.y - (area)->v1->vec.y));
		fac = (reverse == vertical) ? 1.0f - fac : fac;
		ScrArea newsa = area_split(CTX_wm_window(C), screen, area, vertical ? 'v' : 'h', fac, 1);

		/* area_split always returns smallest of the two areas, so might have to swap. */
		if (((fac > 0.5f) == vertical) != reverse) {
		ScrArea temp = area;
		*area = newsa;
		newsa = temp;
		}

		return newsa;
		}

		/* Join any two neighboring areas. Might create new areas, kept if over min_remainder. */
		static bool screen_area_join_ex(
		bContext C, bScreen screen, ScrArea sa1, ScrArea sa2, bool close_all_remainders)
		{
		int dir = area_getorientation(sa1, sa2);
		if (dir == -1) {
		return false;
		}

		int offset1;
		int offset2;
		area_getoffsets(sa1, sa2, dir, &offset1, &offset2);

		/* Split Left/Top into new area if overhanging. */
		ScrArea *side1 = screen_area_trim(C, screen, (offset1 > 0) ? &sa2 : &sa1, offset1, dir, false);

		/* Split Right/Bottom into new area if overhanging. */
		ScrArea *side2 = screen_area_trim(C, screen, (offset2 > 0) ? &sa1 : &sa2, offset2, dir, true);

		/* The two areas now line up, so join them. */
		screen_area_join_aligned(C, screen, sa1, sa2);

		if (close_all_remainders \|\| offset1 < 0 \|\| offset2 > 0) {
		/* Close both if trimiming sa1. */
		screen_area_close(C, screen, side1);
		screen_area_close(C, screen, side2);
		}

		BKE_icon_changed(screen->id.icon_id);
		return true;
		}

		/* Join any two neighboring areas. Might involve complex changes. */
		int screen_area_join(bContext C, bScreen screen, ScrArea sa1, ScrArea sa2)
		{
		return screen_area_join_ex(C, screen, sa1, sa2, false);
		}

		/* Close a screen area, allowing any neighbor to take its place. */
		bool screen_area_close(struct bContext C, bScreen screen, ScrArea *area)
		{
		if (area == NULL) {
		return false;
		}

		ScrArea *sa2 = NULL;

		/* Find the most-aligned joinable area. Larger size breaks ties. */
		int min_alignment = INT_MAX;
		int max_size = 0;
		LISTBASE_FOREACH (ScrArea *, ar, &screen->areabase) {
		int dir = area_getorientation(area, ar);
		if (dir != -1) {
		int offset1;
		int offset2;
		area_getoffsets(area, ar, dir, &offset1, &offset2);
		int area_alignment = abs(offset1) + abs(offset2);
		if (area_alignment < min_alignment) {
		min_alignment = area_alignment;
		max_size = ar->winx * ar->winy;
		sa2 = ar;
		}
		else if (area_alignment == min_alignment) {
		int area_size = ar->winx * ar->winy;
		if (area_size > max_size) {
		max_size = area_size;
		sa2 = ar;
		}
		}
		}
		}

		return screen_area_join_ex(C, screen, sa2, area, true);
}		}

/* **************** EXPORTED API TO OTHER MODULES ************************* */		/* **************** EXPORTED API TO OTHER MODULES ************************* */

/* screen sets cursor based on active region */		/* screen sets cursor based on active region */
static void region_cursor_set_ex(wmWindow win, ScrArea area, ARegion *region, bool swin_changed)		static void region_cursor_set_ex(wmWindow win, ScrArea area, ARegion *region, bool swin_changed)
{		{
BLI_assert(WM_window_get_active_screen(win)->active_region == region);		BLI_assert(WM_window_get_active_screen(win)->active_region == region);
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