This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
blender-archive/source/blender/editors/screen/area.c
2012-07-07 22:51:57 +00:00

1876 lines
50 KiB
C

/*
* ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/screen/area.c
* \ingroup edscr
*/
#include <string.h>
#include <stdio.h>
#include "MEM_guardedalloc.h"
#include "DNA_userdef_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BLI_utildefines.h"
#include "BLF_translation.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_screen.h"
#include "WM_api.h"
#include "WM_types.h"
#include "wm_subwindow.h"
#include "ED_screen.h"
#include "ED_screen_types.h"
#include "ED_space_api.h"
#include "ED_types.h"
#include "ED_fileselect.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "BLF_api.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "screen_intern.h"
/* general area and region code */
static void region_draw_emboss(ARegion *ar, rcti *scirct)
{
rcti rect;
/* translate scissor rect to region space */
rect.xmin = scirct->xmin - ar->winrct.xmin;
rect.ymin = scirct->ymin - ar->winrct.ymin;
rect.xmax = scirct->xmax - ar->winrct.xmin;
rect.ymax = scirct->ymax - ar->winrct.ymin;
/* set transp line */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
/* right */
glColor4ub(0, 0, 0, 30);
sdrawline(rect.xmax, rect.ymin, rect.xmax, rect.ymax);
/* bottom */
glColor4ub(0, 0, 0, 30);
sdrawline(rect.xmin, rect.ymin, rect.xmax, rect.ymin);
/* top */
glColor4ub(255, 255, 255, 30);
sdrawline(rect.xmin, rect.ymax, rect.xmax, rect.ymax);
/* left */
glColor4ub(255, 255, 255, 30);
sdrawline(rect.xmin, rect.ymin, rect.xmin, rect.ymax);
glDisable(GL_BLEND);
}
void ED_region_pixelspace(ARegion *ar)
{
int width = ar->winrct.xmax - ar->winrct.xmin + 1;
int height = ar->winrct.ymax - ar->winrct.ymin + 1;
wmOrtho2(-0.375f, (float)width - 0.375f, -0.375f, (float)height - 0.375f);
glLoadIdentity();
}
/* only exported for WM */
void ED_region_do_listen(ARegion *ar, wmNotifier *note)
{
/* generic notes first */
switch (note->category) {
case NC_WM:
if (note->data == ND_FILEREAD)
ED_region_tag_redraw(ar);
break;
case NC_WINDOW:
ED_region_tag_redraw(ar);
break;
}
if (ar->type && ar->type->listener)
ar->type->listener(ar, note);
}
/* only exported for WM */
void ED_area_do_listen(ScrArea *sa, wmNotifier *note)
{
/* no generic notes? */
if (sa->type && sa->type->listener) {
sa->type->listener(sa, note);
}
}
/* only exported for WM */
void ED_area_do_refresh(bContext *C, ScrArea *sa)
{
/* no generic notes? */
if (sa->type && sa->type->refresh) {
sa->type->refresh(C, sa);
}
sa->do_refresh = FALSE;
}
/* based on screen region draw tags, set draw tags in azones, and future region tabs etc */
/* only exported for WM */
void ED_area_overdraw_flush(ScrArea *sa, ARegion *ar)
{
AZone *az;
for (az = sa->actionzones.first; az; az = az->next) {
int xs, ys;
xs = (az->x1 + az->x2) / 2;
ys = (az->y1 + az->y2) / 2;
/* test if inside */
if (BLI_in_rcti(&ar->winrct, xs, ys)) {
az->do_draw = TRUE;
}
}
}
static void area_draw_azone(short x1, short y1, short x2, short y2)
{
int dx = x2 - x1;
int dy = y2 - y1;
dx = copysign(ceilf(0.3f * fabsf(dx)), dx);
dy = copysign(ceilf(0.3f * fabsf(dy)), dy);
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
glColor4ub(255, 255, 255, 180);
fdrawline(x1, y2, x2, y1);
glColor4ub(255, 255, 255, 130);
fdrawline(x1, y2 - dy, x2 - dx, y1);
glColor4ub(255, 255, 255, 80);
fdrawline(x1, y2 - 2 * dy, x2 - 2 * dx, y1);
glColor4ub(0, 0, 0, 210);
fdrawline(x1, y2 + 1, x2 + 1, y1);
glColor4ub(0, 0, 0, 180);
fdrawline(x1, y2 - dy + 1, x2 - dx + 1, y1);
glColor4ub(0, 0, 0, 150);
fdrawline(x1, y2 - 2 * dy + 1, x2 - 2 * dx + 1, y1);
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
}
static void region_draw_azone_icon(AZone *az)
{
GLUquadricObj *qobj = NULL;
short midx = az->x1 + (az->x2 - az->x1) / 2;
short midy = az->y1 + (az->y2 - az->y1) / 2;
qobj = gluNewQuadric();
glPushMatrix();
glTranslatef(midx, midy, 0.0);
/* outlined circle */
glEnable(GL_LINE_SMOOTH);
glColor4f(1.f, 1.f, 1.f, 0.8f);
gluQuadricDrawStyle(qobj, GLU_FILL);
gluDisk(qobj, 0.0, 4.25f, 16, 1);
glColor4f(0.2f, 0.2f, 0.2f, 0.9f);
gluQuadricDrawStyle(qobj, GLU_SILHOUETTE);
gluDisk(qobj, 0.0, 4.25f, 16, 1);
glDisable(GL_LINE_SMOOTH);
glPopMatrix();
gluDeleteQuadric(qobj);
/* + */
sdrawline(midx, midy - 2, midx, midy + 3);
sdrawline(midx - 2, midy, midx + 3, midy);
}
static void draw_azone_plus(float x1, float y1, float x2, float y2)
{
float width = 2.0f;
float pad = 4.0f;
glRectf((x1 + x2 - width) * 0.5f, y1 + pad, (x1 + x2 + width) * 0.5f, y2 - pad);
glRectf(x1 + pad, (y1 + y2 - width) * 0.5f, (x1 + x2 - width) * 0.5f, (y1 + y2 + width) * 0.5f);
glRectf((x1 + x2 + width) * 0.5f, (y1 + y2 - width) * 0.5f, x2 - pad, (y1 + y2 + width) * 0.5f);
}
static void region_draw_azone_tab_plus(AZone *az)
{
extern void ui_draw_anti_tria(float x1, float y1, float x2, float y2, float x3, float y3); /* xxx temp */
glEnable(GL_BLEND);
/* add code to draw region hidden as 'too small' */
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT);
break;
case AE_BOTTOM_TO_TOPLEFT:
uiSetRoundBox(UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT);
break;
case AE_LEFT_TO_TOPRIGHT:
uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT);
break;
case AE_RIGHT_TO_TOPLEFT:
uiSetRoundBox(UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT);
break;
}
glColor4f(0.05f, 0.05f, 0.05f, 0.4f);
uiRoundBox((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f);
glEnable(GL_BLEND);
glColor4f(0.8f, 0.8f, 0.8f, 0.4f);
draw_azone_plus((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2);
glDisable(GL_BLEND);
}
static void region_draw_azone_tab(AZone *az)
{
float col[3];
glEnable(GL_BLEND);
UI_GetThemeColor3fv(TH_HEADER, col);
glColor4f(col[0], col[1], col[2], 0.5f);
/* add code to draw region hidden as 'too small' */
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT | UI_RB_ALPHA);
uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
glColor4ub(0, 0, 0, 255);
uiRoundRect((float)az->x1, 0.3f + (float)az->y1, (float)az->x2, 0.3f + (float)az->y2, 4.0f);
break;
case AE_BOTTOM_TO_TOPLEFT:
uiSetRoundBox(UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT | UI_RB_ALPHA);
uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
glColor4ub(0, 0, 0, 255);
uiRoundRect((float)az->x1, 0.3f + (float)az->y1, (float)az->x2, 0.3f + (float)az->y2, 4.0f);
break;
case AE_LEFT_TO_TOPRIGHT:
uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT | UI_RB_ALPHA);
uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
glColor4ub(0, 0, 0, 255);
uiRoundRect((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f);
break;
case AE_RIGHT_TO_TOPLEFT:
uiSetRoundBox(UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT | UI_RB_ALPHA);
uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
glColor4ub(0, 0, 0, 255);
uiRoundRect((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f);
break;
}
glDisable(GL_BLEND);
}
static void region_draw_azone_tria(AZone *az)
{
extern void ui_draw_anti_tria(float x1, float y1, float x2, float y2, float x3, float y3); /* xxx temp */
glEnable(GL_BLEND);
//UI_GetThemeColor3fv(TH_HEADER, col);
glColor4f(0.0f, 0.0f, 0.0f, 0.35f);
/* add code to draw region hidden as 'too small' */
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
ui_draw_anti_tria((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y1, (float)(az->x1 + az->x2) / 2, (float)az->y2);
break;
case AE_BOTTOM_TO_TOPLEFT:
ui_draw_anti_tria((float)az->x1, (float)az->y2, (float)az->x2, (float)az->y2, (float)(az->x1 + az->x2) / 2, (float)az->y1);
break;
case AE_LEFT_TO_TOPRIGHT:
ui_draw_anti_tria((float)az->x2, (float)az->y1, (float)az->x2, (float)az->y2, (float)az->x1, (float)(az->y1 + az->y2) / 2);
break;
case AE_RIGHT_TO_TOPLEFT:
ui_draw_anti_tria((float)az->x1, (float)az->y1, (float)az->x1, (float)az->y2, (float)az->x2, (float)(az->y1 + az->y2) / 2);
break;
}
glDisable(GL_BLEND);
}
/* only exported for WM */
void ED_area_overdraw(bContext *C)
{
wmWindow *win = CTX_wm_window(C);
bScreen *screen = CTX_wm_screen(C);
ScrArea *sa;
/* Draw AZones, in screenspace */
wmSubWindowSet(win, screen->mainwin);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
for (sa = screen->areabase.first; sa; sa = sa->next) {
AZone *az;
for (az = sa->actionzones.first; az; az = az->next) {
if (az->do_draw) {
if (az->type == AZONE_AREA) {
area_draw_azone(az->x1, az->y1, az->x2, az->y2);
}
else if (az->type == AZONE_REGION) {
if (az->ar) {
/* only display tab or icons when the region is hidden */
if (az->ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
if (G.rt == 3)
region_draw_azone_icon(az);
else if (G.rt == 2)
region_draw_azone_tria(az);
else if (G.rt == 1)
region_draw_azone_tab(az);
else
region_draw_azone_tab_plus(az);
}
}
}
az->do_draw = FALSE;
}
}
}
glDisable(GL_BLEND);
}
/* get scissor rect, checking overlapping regions */
void region_scissor_winrct(ARegion *ar, rcti *winrct)
{
*winrct = ar->winrct;
if (ELEM(ar->alignment, RGN_OVERLAP_LEFT, RGN_OVERLAP_RIGHT))
return;
while (ar->prev) {
ar = ar->prev;
if (BLI_isect_rcti(winrct, &ar->winrct, NULL)) {
if (ar->flag & RGN_FLAG_HIDDEN) ;
else if (ar->alignment & RGN_SPLIT_PREV) ;
else if (ar->alignment == RGN_OVERLAP_LEFT) {
winrct->xmin = ar->winrct.xmax + 1;
}
else if (ar->alignment == RGN_OVERLAP_RIGHT) {
winrct->xmax = ar->winrct.xmin - 1;
}
else break;
}
}
}
/* only exported for WM */
/* makes region ready for drawing, sets pixelspace */
void ED_region_set(const bContext *C, ARegion *ar)
{
wmWindow *win = CTX_wm_window(C);
ScrArea *sa = CTX_wm_area(C);
rcti winrct;
/* checks other overlapping regions */
region_scissor_winrct(ar, &winrct);
ar->drawrct = winrct;
/* note; this sets state, so we can use wmOrtho and friends */
wmSubWindowScissorSet(win, ar->swinid, &ar->drawrct);
UI_SetTheme(sa ? sa->spacetype : 0, ar->type ? ar->type->regionid : 0);
ED_region_pixelspace(ar);
}
/* only exported for WM */
void ED_region_do_draw(bContext *C, ARegion *ar)
{
wmWindow *win = CTX_wm_window(C);
ScrArea *sa = CTX_wm_area(C);
ARegionType *at = ar->type;
rcti winrct;
/* see BKE_spacedata_draw_locks() */
if (at->do_lock)
return;
/* checks other overlapping regions */
region_scissor_winrct(ar, &winrct);
/* if no partial draw rect set, full rect */
if (ar->drawrct.xmin == ar->drawrct.xmax)
ar->drawrct = winrct;
else {
/* extra clip for safety */
ar->drawrct.xmin = MAX2(winrct.xmin, ar->drawrct.xmin);
ar->drawrct.ymin = MAX2(winrct.ymin, ar->drawrct.ymin);
ar->drawrct.xmax = MIN2(winrct.xmax, ar->drawrct.xmax);
ar->drawrct.ymax = MIN2(winrct.ymax, ar->drawrct.ymax);
}
/* note; this sets state, so we can use wmOrtho and friends */
wmSubWindowScissorSet(win, ar->swinid, &ar->drawrct);
UI_SetTheme(sa ? sa->spacetype : 0, ar->type ? ar->type->regionid : 0);
/* optional header info instead? */
if (ar->headerstr) {
UI_ThemeClearColor(TH_HEADER);
glClear(GL_COLOR_BUFFER_BIT);
UI_ThemeColor(TH_TEXT);
BLF_draw_default(20, 8, 0.0f, ar->headerstr, BLF_DRAW_STR_DUMMY_MAX);
}
else if (at->draw) {
at->draw(C, ar);
}
/* XXX test: add convention to end regions always in pixel space, for drawing of borders/gestures etc */
ED_region_pixelspace(ar);
ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_PIXEL);
ar->do_draw = FALSE;
memset(&ar->drawrct, 0, sizeof(ar->drawrct));
uiFreeInactiveBlocks(C, &ar->uiblocks);
if (sa)
region_draw_emboss(ar, &winrct);
}
/* **********************************
* maybe silly, but let's try for now
* to keep these tags protected
* ********************************** */
void ED_region_tag_redraw(ARegion *ar)
{
if (ar) {
/* zero region means full region redraw */
ar->do_draw = RGN_DRAW;
memset(&ar->drawrct, 0, sizeof(ar->drawrct));
}
}
void ED_region_tag_redraw_overlay(ARegion *ar)
{
if (ar)
ar->do_draw_overlay = RGN_DRAW;
}
void ED_region_tag_redraw_partial(ARegion *ar, rcti *rct)
{
if (ar) {
if (!ar->do_draw) {
/* no redraw set yet, set partial region */
ar->do_draw = RGN_DRAW_PARTIAL;
ar->drawrct = *rct;
}
else if (ar->drawrct.xmin != ar->drawrct.xmax) {
/* partial redraw already set, expand region */
ar->drawrct.xmin = MIN2(ar->drawrct.xmin, rct->xmin);
ar->drawrct.ymin = MIN2(ar->drawrct.ymin, rct->ymin);
ar->drawrct.xmax = MAX2(ar->drawrct.xmax, rct->xmax);
ar->drawrct.ymax = MAX2(ar->drawrct.ymax, rct->ymax);
}
}
}
void ED_area_tag_redraw(ScrArea *sa)
{
ARegion *ar;
if (sa)
for (ar = sa->regionbase.first; ar; ar = ar->next)
ED_region_tag_redraw(ar);
}
void ED_area_tag_redraw_regiontype(ScrArea *sa, int regiontype)
{
ARegion *ar;
if (sa) {
for (ar = sa->regionbase.first; ar; ar = ar->next) {
if (ar->regiontype == regiontype) {
ED_region_tag_redraw(ar);
}
}
}
}
void ED_area_tag_refresh(ScrArea *sa)
{
if (sa)
sa->do_refresh = TRUE;
}
/* *************************************************************** */
/* use NULL to disable it */
void ED_area_headerprint(ScrArea *sa, const char *str)
{
ARegion *ar;
/* happens when running transform operators in backround mode */
if (sa == NULL)
return;
for (ar = sa->regionbase.first; ar; ar = ar->next) {
if (ar->regiontype == RGN_TYPE_HEADER) {
if (str) {
if (ar->headerstr == NULL)
ar->headerstr = MEM_mallocN(256, "headerprint");
BLI_strncpy(ar->headerstr, str, 256);
}
else if (ar->headerstr) {
MEM_freeN(ar->headerstr);
ar->headerstr = NULL;
}
ED_region_tag_redraw(ar);
}
}
}
/* ************************************************************ */
static void area_azone_initialize(ScrArea *sa)
{
AZone *az;
/* reinitalize entirely, regions add azones too */
BLI_freelistN(&sa->actionzones);
/* set area action zones */
az = (AZone *)MEM_callocN(sizeof(AZone), "actionzone");
BLI_addtail(&(sa->actionzones), az);
az->type = AZONE_AREA;
az->x1 = sa->totrct.xmin - 1;
az->y1 = sa->totrct.ymin - 1;
az->x2 = sa->totrct.xmin + (AZONESPOT - 1);
az->y2 = sa->totrct.ymin + (AZONESPOT - 1);
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
az = (AZone *)MEM_callocN(sizeof(AZone), "actionzone");
BLI_addtail(&(sa->actionzones), az);
az->type = AZONE_AREA;
az->x1 = sa->totrct.xmax + 1;
az->y1 = sa->totrct.ymax + 1;
az->x2 = sa->totrct.xmax - (AZONESPOT - 1);
az->y2 = sa->totrct.ymax - (AZONESPOT - 1);
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
}
#define AZONEPAD_EDGE 4
#define AZONEPAD_ICON 9
static void region_azone_edge(AZone *az, ARegion *ar)
{
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
az->x1 = ar->winrct.xmin;
az->y1 = ar->winrct.ymax - AZONEPAD_EDGE;
az->x2 = ar->winrct.xmax;
az->y2 = ar->winrct.ymax;
break;
case AE_BOTTOM_TO_TOPLEFT:
az->x1 = ar->winrct.xmin;
az->y1 = ar->winrct.ymin + AZONEPAD_EDGE;
az->x2 = ar->winrct.xmax;
az->y2 = ar->winrct.ymin;
break;
case AE_LEFT_TO_TOPRIGHT:
az->x1 = ar->winrct.xmin;
az->y1 = ar->winrct.ymin;
az->x2 = ar->winrct.xmin + AZONEPAD_EDGE;
az->y2 = ar->winrct.ymax;
break;
case AE_RIGHT_TO_TOPLEFT:
az->x1 = ar->winrct.xmax;
az->y1 = ar->winrct.ymin;
az->x2 = ar->winrct.xmax - AZONEPAD_EDGE;
az->y2 = ar->winrct.ymax;
break;
}
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
}
static void region_azone_icon(ScrArea *sa, AZone *az, ARegion *ar)
{
AZone *azt;
int tot = 0;
/* count how many actionzones with along same edge are available.
* This allows for adding more action zones in the future without
* having to worry about correct offset */
for (azt = sa->actionzones.first; azt; azt = azt->next) {
if (azt->edge == az->edge) tot++;
}
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
az->x1 = ar->winrct.xmax - tot * 2 * AZONEPAD_ICON;
az->y1 = ar->winrct.ymax + AZONEPAD_ICON;
az->x2 = ar->winrct.xmax - tot * AZONEPAD_ICON;
az->y2 = ar->winrct.ymax + 2 * AZONEPAD_ICON;
break;
case AE_BOTTOM_TO_TOPLEFT:
az->x1 = ar->winrct.xmin + AZONEPAD_ICON;
az->y1 = ar->winrct.ymin - 2 * AZONEPAD_ICON;
az->x2 = ar->winrct.xmin + 2 * AZONEPAD_ICON;
az->y2 = ar->winrct.ymin - AZONEPAD_ICON;
break;
case AE_LEFT_TO_TOPRIGHT:
az->x1 = ar->winrct.xmin - 2 * AZONEPAD_ICON;
az->y1 = ar->winrct.ymax - tot * 2 * AZONEPAD_ICON;
az->x2 = ar->winrct.xmin - AZONEPAD_ICON;
az->y2 = ar->winrct.ymax - tot * AZONEPAD_ICON;
break;
case AE_RIGHT_TO_TOPLEFT:
az->x1 = ar->winrct.xmax + AZONEPAD_ICON;
az->y1 = ar->winrct.ymax - tot * 2 * AZONEPAD_ICON;
az->x2 = ar->winrct.xmax + 2 * AZONEPAD_ICON;
az->y2 = ar->winrct.ymax - tot * AZONEPAD_ICON;
break;
}
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
/* if more azones on 1 spot, set offset */
for (azt = sa->actionzones.first; azt; azt = azt->next) {
if (az != azt) {
if (ABS(az->x1 - azt->x1) < 2 && ABS(az->y1 - azt->y1) < 2) {
if (az->edge == AE_TOP_TO_BOTTOMRIGHT || az->edge == AE_BOTTOM_TO_TOPLEFT) {
az->x1 += AZONESPOT;
az->x2 += AZONESPOT;
}
else {
az->y1 -= AZONESPOT;
az->y2 -= AZONESPOT;
}
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
}
}
}
}
#define AZONEPAD_TAB_PLUSW 14
#define AZONEPAD_TAB_PLUSH 14
/* region already made zero sized, in shape of edge */
static void region_azone_tab_plus(ScrArea *sa, AZone *az, ARegion *ar)
{
AZone *azt;
int tot = 0, add;
for (azt = sa->actionzones.first; azt; azt = azt->next) {
if (azt->edge == az->edge) tot++;
}
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
if (ar->winrct.ymax == sa->totrct.ymin) add = 1; else add = 0;
az->x1 = ar->winrct.xmax - 2.5 * AZONEPAD_TAB_PLUSW;
az->y1 = ar->winrct.ymax - add;
az->x2 = ar->winrct.xmax - 1.5 * AZONEPAD_TAB_PLUSW;
az->y2 = ar->winrct.ymax - add + AZONEPAD_TAB_PLUSH;
break;
case AE_BOTTOM_TO_TOPLEFT:
az->x1 = ar->winrct.xmax - 2.5 * AZONEPAD_TAB_PLUSW;
az->y1 = ar->winrct.ymin - AZONEPAD_TAB_PLUSH;
az->x2 = ar->winrct.xmax - 1.5 * AZONEPAD_TAB_PLUSW;
az->y2 = ar->winrct.ymin;
break;
case AE_LEFT_TO_TOPRIGHT:
az->x1 = ar->winrct.xmin - AZONEPAD_TAB_PLUSH;
az->y1 = ar->winrct.ymax - 2.5 * AZONEPAD_TAB_PLUSW;
az->x2 = ar->winrct.xmin;
az->y2 = ar->winrct.ymax - 1.5 * AZONEPAD_TAB_PLUSW;
break;
case AE_RIGHT_TO_TOPLEFT:
az->x1 = ar->winrct.xmax - 1;
az->y1 = ar->winrct.ymax - 2.5 * AZONEPAD_TAB_PLUSW;
az->x2 = ar->winrct.xmax - 1 + AZONEPAD_TAB_PLUSH;
az->y2 = ar->winrct.ymax - 1.5 * AZONEPAD_TAB_PLUSW;
break;
}
/* rect needed for mouse pointer test */
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
}
#define AZONEPAD_TABW 18
#define AZONEPAD_TABH 7
/* region already made zero sized, in shape of edge */
static void region_azone_tab(ScrArea *sa, AZone *az, ARegion *ar)
{
AZone *azt;
int tot = 0, add;
for (azt = sa->actionzones.first; azt; azt = azt->next) {
if (azt->edge == az->edge) tot++;
}
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
if (ar->winrct.ymax == sa->totrct.ymin) add = 1; else add = 0;
az->x1 = ar->winrct.xmax - 2 * AZONEPAD_TABW;
az->y1 = ar->winrct.ymax - add;
az->x2 = ar->winrct.xmax - AZONEPAD_TABW;
az->y2 = ar->winrct.ymax - add + AZONEPAD_TABH;
break;
case AE_BOTTOM_TO_TOPLEFT:
az->x1 = ar->winrct.xmin + AZONEPAD_TABW;
az->y1 = ar->winrct.ymin - AZONEPAD_TABH;
az->x2 = ar->winrct.xmin + 2 * AZONEPAD_TABW;
az->y2 = ar->winrct.ymin;
break;
case AE_LEFT_TO_TOPRIGHT:
az->x1 = ar->winrct.xmin + 1 - AZONEPAD_TABH;
az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TABW;
az->x2 = ar->winrct.xmin + 1;
az->y2 = ar->winrct.ymax - AZONEPAD_TABW;
break;
case AE_RIGHT_TO_TOPLEFT:
az->x1 = ar->winrct.xmax - 1;
az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TABW;
az->x2 = ar->winrct.xmax - 1 + AZONEPAD_TABH;
az->y2 = ar->winrct.ymax - AZONEPAD_TABW;
break;
}
/* rect needed for mouse pointer test */
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
}
#define AZONEPAD_TRIAW 16
#define AZONEPAD_TRIAH 9
/* region already made zero sized, in shape of edge */
static void region_azone_tria(ScrArea *sa, AZone *az, ARegion *ar)
{
AZone *azt;
int tot = 0, add;
for (azt = sa->actionzones.first; azt; azt = azt->next) {
if (azt->edge == az->edge) tot++;
}
switch (az->edge) {
case AE_TOP_TO_BOTTOMRIGHT:
if (ar->winrct.ymax == sa->totrct.ymin) add = 1; else add = 0;
az->x1 = ar->winrct.xmax - 2 * AZONEPAD_TRIAW;
az->y1 = ar->winrct.ymax - add;
az->x2 = ar->winrct.xmax - AZONEPAD_TRIAW;
az->y2 = ar->winrct.ymax - add + AZONEPAD_TRIAH;
break;
case AE_BOTTOM_TO_TOPLEFT:
az->x1 = ar->winrct.xmin + AZONEPAD_TRIAW;
az->y1 = ar->winrct.ymin - AZONEPAD_TRIAH;
az->x2 = ar->winrct.xmin + 2 * AZONEPAD_TRIAW;
az->y2 = ar->winrct.ymin;
break;
case AE_LEFT_TO_TOPRIGHT:
az->x1 = ar->winrct.xmin + 1 - AZONEPAD_TRIAH;
az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TRIAW;
az->x2 = ar->winrct.xmin + 1;
az->y2 = ar->winrct.ymax - AZONEPAD_TRIAW;
break;
case AE_RIGHT_TO_TOPLEFT:
az->x1 = ar->winrct.xmax - 1;
az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TRIAW;
az->x2 = ar->winrct.xmax - 1 + AZONEPAD_TRIAH;
az->y2 = ar->winrct.ymax - AZONEPAD_TRIAW;
break;
}
/* rect needed for mouse pointer test */
BLI_init_rcti(&az->rect, az->x1, az->x2, az->y1, az->y2);
}
static void region_azone_initialize(ScrArea *sa, ARegion *ar, AZEdge edge)
{
AZone *az;
az = (AZone *)MEM_callocN(sizeof(AZone), "actionzone");
BLI_addtail(&(sa->actionzones), az);
az->type = AZONE_REGION;
az->ar = ar;
az->edge = edge;
if (ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
if (G.rt == 3)
region_azone_icon(sa, az, ar);
else if (G.rt == 2)
region_azone_tria(sa, az, ar);
else if (G.rt == 1)
region_azone_tab(sa, az, ar);
else
region_azone_tab_plus(sa, az, ar);
}
else {
region_azone_edge(az, ar);
}
}
/* *************************************************************** */
static void region_azone_add(ScrArea *sa, ARegion *ar, int alignment)
{
/* edge code (t b l r) is along which area edge azone will be drawn */
if (alignment == RGN_ALIGN_TOP)
region_azone_initialize(sa, ar, AE_BOTTOM_TO_TOPLEFT);
else if (alignment == RGN_ALIGN_BOTTOM)
region_azone_initialize(sa, ar, AE_TOP_TO_BOTTOMRIGHT);
else if (ELEM(alignment, RGN_ALIGN_RIGHT, RGN_OVERLAP_RIGHT))
region_azone_initialize(sa, ar, AE_LEFT_TO_TOPRIGHT);
else if (ELEM(alignment, RGN_ALIGN_LEFT, RGN_OVERLAP_LEFT))
region_azone_initialize(sa, ar, AE_RIGHT_TO_TOPLEFT);
}
/* dir is direction to check, not the splitting edge direction! */
static int rct_fits(rcti *rect, char dir, int size)
{
if (dir == 'h') {
return rect->xmax - rect->xmin - size;
}
else { // 'v'
return rect->ymax - rect->ymin - size;
}
}
static void region_rect_recursive(ScrArea *sa, ARegion *ar, rcti *remainder, int quad)
{
rcti *remainder_prev = remainder;
int prefsizex, prefsizey;
int alignment;
if (ar == NULL)
return;
/* no returns in function, winrct gets set in the end again */
BLI_init_rcti(&ar->winrct, 0, 0, 0, 0);
/* for test; allow split of previously defined region */
if (ar->alignment & RGN_SPLIT_PREV)
if (ar->prev)
remainder = &ar->prev->winrct;
alignment = ar->alignment & ~RGN_SPLIT_PREV;
/* clear state flags first */
ar->flag &= ~RGN_FLAG_TOO_SMALL;
/* user errors */
if (ar->next == NULL && alignment != RGN_ALIGN_QSPLIT)
alignment = RGN_ALIGN_NONE;
/* prefsize, for header we stick to exception */
prefsizex = ar->sizex ? ar->sizex : ar->type->prefsizex;
if (ar->regiontype == RGN_TYPE_HEADER)
prefsizey = ar->type->prefsizey;
else if (ar->regiontype == RGN_TYPE_UI && sa->spacetype == SPACE_FILE) {
prefsizey = UI_UNIT_Y * 2 + (UI_UNIT_Y / 2);
}
else
prefsizey = ar->sizey ? ar->sizey : ar->type->prefsizey;
/* hidden is user flag */
if (ar->flag & RGN_FLAG_HIDDEN) ;
/* XXX floating area region, not handled yet here */
else if (alignment == RGN_ALIGN_FLOAT) ;
/* remainder is too small for any usage */
else if (rct_fits(remainder, 'v', 1) < 0 || rct_fits(remainder, 'h', 1) < 0) {
ar->flag |= RGN_FLAG_TOO_SMALL;
}
else if (alignment == RGN_ALIGN_NONE) {
/* typically last region */
ar->winrct = *remainder;
BLI_init_rcti(remainder, 0, 0, 0, 0);
}
else if (alignment == RGN_ALIGN_TOP || alignment == RGN_ALIGN_BOTTOM) {
if (rct_fits(remainder, 'v', prefsizey) < 0) {
ar->flag |= RGN_FLAG_TOO_SMALL;
}
else {
int fac = rct_fits(remainder, 'v', prefsizey);
if (fac < 0)
prefsizey += fac;
ar->winrct = *remainder;
if (alignment == RGN_ALIGN_TOP) {
ar->winrct.ymin = ar->winrct.ymax - prefsizey + 1;
remainder->ymax = ar->winrct.ymin - 1;
}
else {
ar->winrct.ymax = ar->winrct.ymin + prefsizey - 1;
remainder->ymin = ar->winrct.ymax + 1;
}
}
}
else if (ELEM4(alignment, RGN_ALIGN_LEFT, RGN_ALIGN_RIGHT, RGN_OVERLAP_LEFT, RGN_OVERLAP_RIGHT)) {
if (rct_fits(remainder, 'h', prefsizex) < 0) {
ar->flag |= RGN_FLAG_TOO_SMALL;
}
else {
int fac = rct_fits(remainder, 'h', prefsizex);
if (fac < 0)
prefsizex += fac;
ar->winrct = *remainder;
if (ELEM(alignment, RGN_ALIGN_RIGHT, RGN_OVERLAP_RIGHT)) {
ar->winrct.xmin = ar->winrct.xmax - prefsizex + 1;
if (alignment == RGN_ALIGN_RIGHT)
remainder->xmax = ar->winrct.xmin - 1;
}
else {
ar->winrct.xmax = ar->winrct.xmin + prefsizex - 1;
if (alignment == RGN_ALIGN_LEFT)
remainder->xmin = ar->winrct.xmax + 1;
}
}
}
else if (alignment == RGN_ALIGN_VSPLIT || alignment == RGN_ALIGN_HSPLIT) {
/* percentage subdiv*/
ar->winrct = *remainder;
if (alignment == RGN_ALIGN_HSPLIT) {
if (rct_fits(remainder, 'h', prefsizex) > 4) {
ar->winrct.xmax = (remainder->xmin + remainder->xmax) / 2;
remainder->xmin = ar->winrct.xmax + 1;
}
else {
BLI_init_rcti(remainder, 0, 0, 0, 0);
}
}
else {
if (rct_fits(remainder, 'v', prefsizey) > 4) {
ar->winrct.ymax = (remainder->ymin + remainder->ymax) / 2;
remainder->ymin = ar->winrct.ymax + 1;
}
else {
BLI_init_rcti(remainder, 0, 0, 0, 0);
}
}
}
else if (alignment == RGN_ALIGN_QSPLIT) {
ar->winrct = *remainder;
/* test if there's still 4 regions left */
if (quad == 0) {
ARegion *artest = ar->next;
int count = 1;
while (artest) {
artest->alignment = RGN_ALIGN_QSPLIT;
artest = artest->next;
count++;
}
if (count != 4) {
/* let's stop adding regions */
BLI_init_rcti(remainder, 0, 0, 0, 0);
if (G.debug & G_DEBUG)
printf("region quadsplit failed\n");
}
else quad = 1;
}
if (quad) {
if (quad == 1) { /* left bottom */
ar->winrct.xmax = (remainder->xmin + remainder->xmax) / 2;
ar->winrct.ymax = (remainder->ymin + remainder->ymax) / 2;
}
else if (quad == 2) { /* left top */
ar->winrct.xmax = (remainder->xmin + remainder->xmax) / 2;
ar->winrct.ymin = 1 + (remainder->ymin + remainder->ymax) / 2;
}
else if (quad == 3) { /* right bottom */
ar->winrct.xmin = 1 + (remainder->xmin + remainder->xmax) / 2;
ar->winrct.ymax = (remainder->ymin + remainder->ymax) / 2;
}
else { /* right top */
ar->winrct.xmin = 1 + (remainder->xmin + remainder->xmax) / 2;
ar->winrct.ymin = 1 + (remainder->ymin + remainder->ymax) / 2;
BLI_init_rcti(remainder, 0, 0, 0, 0);
}
quad++;
}
}
/* for speedup */
ar->winx = ar->winrct.xmax - ar->winrct.xmin + 1;
ar->winy = ar->winrct.ymax - ar->winrct.ymin + 1;
/* set winrect for azones */
if (ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
ar->winrct = *remainder;
if (alignment == RGN_ALIGN_TOP)
ar->winrct.ymin = ar->winrct.ymax;
else if (alignment == RGN_ALIGN_BOTTOM)
ar->winrct.ymax = ar->winrct.ymin;
else if (ELEM(alignment, RGN_ALIGN_RIGHT, RGN_OVERLAP_RIGHT))
ar->winrct.xmin = ar->winrct.xmax;
else if (ELEM(alignment, RGN_ALIGN_LEFT, RGN_OVERLAP_LEFT))
ar->winrct.xmax = ar->winrct.xmin;
else /* prevent winrct to be valid */
ar->winrct.xmax = ar->winrct.xmin;
}
/* restore prev-split exception */
if (ar->alignment & RGN_SPLIT_PREV) {
if (ar->prev) {
remainder = remainder_prev;
ar->prev->winx = ar->prev->winrct.xmax - ar->prev->winrct.xmin + 1;
ar->prev->winy = ar->prev->winrct.ymax - ar->prev->winrct.ymin + 1;
}
}
/* in end, add azones, where appropriate */
if (ar->regiontype == RGN_TYPE_HEADER && ar->winy + 6 > sa->winy) {
/* The logic for this is: when the header takes up the full area,
* disallow hiding it to view the main window.
*
* Without this, you can drag down the file selectors header and hide it
* by accident very easily (highly annoying!), the value 6 is arbitrary
* but accounts for small common rounding problems when scaling the UI,
* must be minimum '4' */
}
else {
region_azone_add(sa, ar, alignment);
}
region_rect_recursive(sa, ar->next, remainder, quad);
}
static void area_calc_totrct(ScrArea *sa, int sizex, int sizey)
{
short rt = 0; // CLAMPIS(G.rt, 0, 16);
if (sa->v1->vec.x > 0) sa->totrct.xmin = sa->v1->vec.x + 1 + rt;
else sa->totrct.xmin = sa->v1->vec.x;
if (sa->v4->vec.x < sizex - 1) sa->totrct.xmax = sa->v4->vec.x - 1 - rt;
else sa->totrct.xmax = sa->v4->vec.x;
if (sa->v1->vec.y > 0) sa->totrct.ymin = sa->v1->vec.y + 1 + rt;
else sa->totrct.ymin = sa->v1->vec.y;
if (sa->v2->vec.y < sizey - 1) sa->totrct.ymax = sa->v2->vec.y - 1 - rt;
else sa->totrct.ymax = sa->v2->vec.y;
/* for speedup */
sa->winx = sa->totrct.xmax - sa->totrct.xmin + 1;
sa->winy = sa->totrct.ymax - sa->totrct.ymin + 1;
}
/* used for area initialize below */
static void region_subwindow(wmWindow *win, ARegion *ar)
{
if (ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
if (ar->swinid)
wm_subwindow_close(win, ar->swinid);
ar->swinid = 0;
}
else if (ar->swinid == 0)
ar->swinid = wm_subwindow_open(win, &ar->winrct);
else
wm_subwindow_position(win, ar->swinid, &ar->winrct);
}
static void ed_default_handlers(wmWindowManager *wm, ScrArea *sa, ListBase *handlers, int flag)
{
/* note, add-handler checks if it already exists */
/* XXX it would be good to have boundbox checks for some of these... */
if (flag & ED_KEYMAP_UI) {
/* user interface widgets */
UI_add_region_handlers(handlers);
}
if (flag & ED_KEYMAP_VIEW2D) {
/* 2d-viewport handling+manipulation */
wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "View2D", 0, 0);
WM_event_add_keymap_handler(handlers, keymap);
}
if (flag & ED_KEYMAP_MARKERS) {
/* time-markers */
wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Markers", 0, 0);
/* time space only has this keymap, the others get a boundbox restricted map */
if (sa->spacetype != SPACE_TIME) {
ARegion *ar;
static rcti rect = {0, 10000, 0, 30}; /* same local check for all areas */
ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
if (ar) {
WM_event_add_keymap_handler_bb(handlers, keymap, &rect, &ar->winrct);
}
}
else
WM_event_add_keymap_handler(handlers, keymap);
}
if (flag & ED_KEYMAP_ANIMATION) {
/* frame changing and timeline operators (for time spaces) */
wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Animation", 0, 0);
WM_event_add_keymap_handler(handlers, keymap);
}
if (flag & ED_KEYMAP_FRAMES) {
/* frame changing/jumping (for all spaces) */
wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Frames", 0, 0);
WM_event_add_keymap_handler(handlers, keymap);
}
if (flag & ED_KEYMAP_GPENCIL) {
/* grease pencil */
wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Grease Pencil", 0, 0);
WM_event_add_keymap_handler(handlers, keymap);
}
if (flag & ED_KEYMAP_HEADER) {
/* standard keymap for headers regions */
wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Header", 0, 0);
WM_event_add_keymap_handler(handlers, keymap);
}
}
/* called in screen_refresh, or screens_init, also area size changes */
void ED_area_initialize(wmWindowManager *wm, wmWindow *win, ScrArea *sa)
{
ARegion *ar;
rcti rect;
/* set typedefinitions */
sa->type = BKE_spacetype_from_id(sa->spacetype);
if (sa->type == NULL) {
sa->butspacetype = sa->spacetype = SPACE_VIEW3D;
sa->type = BKE_spacetype_from_id(sa->spacetype);
}
for (ar = sa->regionbase.first; ar; ar = ar->next)
ar->type = BKE_regiontype_from_id(sa->type, ar->regiontype);
/* area sizes */
area_calc_totrct(sa, win->sizex, win->sizey);
/* clear all azones, add the area triange widgets */
area_azone_initialize(sa);
/* region rect sizes */
rect = sa->totrct;
region_rect_recursive(sa, sa->regionbase.first, &rect, 0);
/* default area handlers */
ed_default_handlers(wm, sa, &sa->handlers, sa->type->keymapflag);
/* checks spacedata, adds own handlers */
if (sa->type->init)
sa->type->init(wm, sa);
/* region windows, default and own handlers */
for (ar = sa->regionbase.first; ar; ar = ar->next) {
region_subwindow(win, ar);
if (ar->swinid) {
/* default region handlers */
ed_default_handlers(wm, sa, &ar->handlers, ar->type->keymapflag);
/* own handlers */
if (ar->type->init)
ar->type->init(wm, ar);
}
else {
/* prevent uiblocks to run */
uiFreeBlocks(NULL, &ar->uiblocks);
}
/* rechecks 2d matrix for header on dpi changing, do not do for other regions, it resets view && blocks view2d operator polls (ton) */
if (ar->regiontype == RGN_TYPE_HEADER)
ar->v2d.flag &= ~V2D_IS_INITIALISED;
}
}
/* externally called for floating regions like menus */
void ED_region_init(bContext *C, ARegion *ar)
{
// ARegionType *at= ar->type;
/* refresh can be called before window opened */
region_subwindow(CTX_wm_window(C), ar);
ar->winx = ar->winrct.xmax - ar->winrct.xmin + 1;
ar->winy = ar->winrct.ymax - ar->winrct.ymin + 1;
/* UI convention */
wmOrtho2(-0.01f, ar->winx - 0.01f, -0.01f, ar->winy - 0.01f);
glLoadIdentity();
}
void ED_region_toggle_hidden(bContext *C, ARegion *ar)
{
ScrArea *sa = CTX_wm_area(C);
ar->flag ^= RGN_FLAG_HIDDEN;
if (ar->flag & RGN_FLAG_HIDDEN)
WM_event_remove_handlers(C, &ar->handlers);
ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa);
ED_area_tag_redraw(sa);
}
/* sa2 to sa1, we swap spaces for fullscreen to keep all allocated data */
/* area vertices were set */
void area_copy_data(ScrArea *sa1, ScrArea *sa2, int swap_space)
{
SpaceType *st;
ARegion *ar;
int spacetype = sa1->spacetype;
sa1->headertype = sa2->headertype;
sa1->spacetype = sa2->spacetype;
sa1->butspacetype = sa2->butspacetype;
if (swap_space == 1) {
SWAP(ListBase, sa1->spacedata, sa2->spacedata);
/* exception: ensure preview is reset */
// if (sa1->spacetype==SPACE_VIEW3D)
// XXX BIF_view3d_previewrender_free(sa1->spacedata.first);
}
else if (swap_space == 2) {
BKE_spacedata_copylist(&sa1->spacedata, &sa2->spacedata);
}
else {
BKE_spacedata_freelist(&sa1->spacedata);
BKE_spacedata_copylist(&sa1->spacedata, &sa2->spacedata);
}
/* Note; SPACE_EMPTY is possible on new screens */
/* regions */
if (swap_space == 1) {
SWAP(ListBase, sa1->regionbase, sa2->regionbase);
}
else {
if (swap_space < 2) {
st = BKE_spacetype_from_id(spacetype);
for (ar = sa1->regionbase.first; ar; ar = ar->next)
BKE_area_region_free(st, ar);
BLI_freelistN(&sa1->regionbase);
}
st = BKE_spacetype_from_id(sa2->spacetype);
for (ar = sa2->regionbase.first; ar; ar = ar->next) {
ARegion *newar = BKE_area_region_copy(st, ar);
BLI_addtail(&sa1->regionbase, newar);
}
}
}
/* *********** Space switching code *********** */
void ED_area_swapspace(bContext *C, ScrArea *sa1, ScrArea *sa2)
{
ScrArea *tmp = MEM_callocN(sizeof(ScrArea), "addscrarea");
ED_area_exit(C, sa1);
ED_area_exit(C, sa2);
area_copy_data(tmp, sa1, 2);
area_copy_data(sa1, sa2, 0);
area_copy_data(sa2, tmp, 0);
ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa1);
ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa2);
BKE_screen_area_free(tmp);
MEM_freeN(tmp);
/* tell WM to refresh, cursor types etc */
WM_event_add_mousemove(C);
ED_area_tag_redraw(sa1);
ED_area_tag_refresh(sa1);
ED_area_tag_redraw(sa2);
ED_area_tag_refresh(sa2);
}
void ED_area_newspace(bContext *C, ScrArea *sa, int type)
{
if (sa->spacetype != type) {
SpaceType *st;
SpaceLink *slold;
SpaceLink *sl;
ED_area_exit(C, sa);
st = BKE_spacetype_from_id(type);
slold = sa->spacedata.first;
sa->spacetype = type;
sa->butspacetype = type;
sa->type = st;
/* check previously stored space */
for (sl = sa->spacedata.first; sl; sl = sl->next)
if (sl->spacetype == type)
break;
/* old spacedata... happened during work on 2.50, remove */
if (sl && sl->regionbase.first == NULL) {
st->free(sl);
BLI_freelinkN(&sa->spacedata, sl);
if (slold == sl) {
slold = NULL;
}
sl = NULL;
}
if (sl) {
/* swap regions */
slold->regionbase = sa->regionbase;
sa->regionbase = sl->regionbase;
sl->regionbase.first = sl->regionbase.last = NULL;
/* put in front of list */
BLI_remlink(&sa->spacedata, sl);
BLI_addhead(&sa->spacedata, sl);
}
else {
/* new space */
if (st) {
sl = st->new(C);
BLI_addhead(&sa->spacedata, sl);
/* swap regions */
if (slold)
slold->regionbase = sa->regionbase;
sa->regionbase = sl->regionbase;
sl->regionbase.first = sl->regionbase.last = NULL;
}
}
ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa);
/* tell WM to refresh, cursor types etc */
WM_event_add_mousemove(C);
/*send space change notifier*/
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_CHANGED, sa);
ED_area_tag_refresh(sa);
}
/* also redraw when re-used */
ED_area_tag_redraw(sa);
}
void ED_area_prevspace(bContext *C, ScrArea *sa)
{
SpaceLink *sl = (sa) ? sa->spacedata.first : CTX_wm_space_data(C);
if (sl->next) {
/* workaround for case of double prevspace, render window
* with a file browser on top of it */
if (sl->next->spacetype == SPACE_FILE && sl->next->next)
ED_area_newspace(C, sa, sl->next->next->spacetype);
else
ED_area_newspace(C, sa, sl->next->spacetype);
}
else {
ED_area_newspace(C, sa, SPACE_INFO);
}
ED_area_tag_redraw(sa);
/*send space change notifier*/
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_CHANGED, sa);
}
static const char *editortype_pup(void)
{
const char *types = N_(
"Editor type:%t"
"|3D View %x1"
"|%l"
"|Timeline %x15"
"|Graph Editor %x2"
"|DopeSheet %x12"
"|NLA Editor %x13"
"|%l"
"|UV/Image Editor %x6"
"|Video Sequence Editor %x8"
"|Movie Clip Editor %x20"
"|Text Editor %x9"
"|Node Editor %x16"
"|Logic Editor %x17"
"|%l"
"|Properties %x4"
"|Outliner %x3"
"|User Preferences %x19"
"|Info%x7"
"|%l"
"|File Browser %x5"
"|%l"
"|Python Console %x18"
);
return IFACE_(types);
}
static void spacefunc(struct bContext *C, void *UNUSED(arg1), void *UNUSED(arg2))
{
ED_area_newspace(C, CTX_wm_area(C), CTX_wm_area(C)->butspacetype);
ED_area_tag_redraw(CTX_wm_area(C));
/*send space change notifier*/
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_CHANGED, CTX_wm_area(C));
}
/* returns offset for next button in header */
int ED_area_header_switchbutton(const bContext *C, uiBlock *block, int yco)
{
ScrArea *sa = CTX_wm_area(C);
uiBut *but;
int xco = 8;
but = uiDefIconTextButC(block, ICONTEXTROW, 0, ICON_VIEW3D,
editortype_pup(), xco, yco, UI_UNIT_X + 10, UI_UNIT_Y,
&(sa->butspacetype), 1.0, SPACEICONMAX, 0, 0,
TIP_("Displays current editor type. Click for menu of available types"));
uiButSetFunc(but, spacefunc, NULL, NULL);
uiButClearFlag(but, UI_BUT_UNDO); /* skip undo on screen buttons */
return xco + UI_UNIT_X + 14;
}
int ED_area_header_standardbuttons(const bContext *C, uiBlock *block, int yco)
{
ScrArea *sa = CTX_wm_area(C);
int xco = 8;
uiBut *but;
if (!sa->full)
xco = ED_area_header_switchbutton(C, block, yco);
uiBlockSetEmboss(block, UI_EMBOSSN);
if (sa->flag & HEADER_NO_PULLDOWN) {
but = uiDefIconButBitS(block, TOG, HEADER_NO_PULLDOWN, 0,
ICON_DISCLOSURE_TRI_RIGHT,
xco, yco, UI_UNIT_X, UI_UNIT_Y - 2,
&(sa->flag), 0, 0, 0, 0,
"Show pulldown menus");
}
else {
but = uiDefIconButBitS(block, TOG, HEADER_NO_PULLDOWN, 0,
ICON_DISCLOSURE_TRI_DOWN,
xco, yco, UI_UNIT_X, UI_UNIT_Y - 2,
&(sa->flag), 0, 0, 0, 0,
"Hide pulldown menus");
}
uiButClearFlag(but, UI_BUT_UNDO); /* skip undo on screen buttons */
uiBlockSetEmboss(block, UI_EMBOSS);
return xco + UI_UNIT_X;
}
/************************ standard UI regions ************************/
void ED_region_panels(const bContext *C, ARegion *ar, int vertical, const char *context, int contextnr)
{
ScrArea *sa = CTX_wm_area(C);
uiStyle *style = UI_GetStyle();
uiBlock *block;
PanelType *pt;
Panel *panel;
View2D *v2d = &ar->v2d;
View2DScrollers *scrollers;
int x, y, xco, yco, w, em, triangle, open, newcontext = 0;
if (contextnr >= 0)
newcontext = UI_view2d_tab_set(v2d, contextnr);
if (vertical) {
w = v2d->cur.xmax - v2d->cur.xmin;
em = (ar->type->prefsizex) ? UI_UNIT_Y / 2 : UI_UNIT_Y;
}
else {
w = UI_PANEL_WIDTH;
em = (ar->type->prefsizex) ? UI_UNIT_Y / 2 : UI_UNIT_Y;
}
/* create panels */
uiBeginPanels(C, ar);
/* set view2d view matrix for scrolling (without scrollers) */
UI_view2d_view_ortho(v2d);
for (pt = ar->type->paneltypes.first; pt; pt = pt->next) {
/* verify context */
if (context)
if (pt->context[0] && strcmp(context, pt->context) != 0)
continue;
/* draw panel */
if (pt->draw && (!pt->poll || pt->poll(C, pt))) {
block = uiBeginBlock(C, ar, pt->idname, UI_EMBOSS);
panel = uiBeginPanel(sa, ar, block, pt, &open);
/* bad fixed values */
triangle = (int)(UI_UNIT_Y * 1.1f);
if (pt->draw_header && !(pt->flag & PNL_NO_HEADER) && (open || vertical)) {
/* for enabled buttons */
panel->layout = uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_HEADER,
triangle, UI_UNIT_Y + style->panelspace + 2, UI_UNIT_Y, 1, style);
pt->draw_header(C, panel);
uiBlockLayoutResolve(block, &xco, &yco);
panel->labelofs = xco - triangle;
panel->layout = NULL;
}
else {
panel->labelofs = 0;
}
if (open) {
short panelContext;
/* panel context can either be toolbar region or normal panels region */
if (ar->regiontype == RGN_TYPE_TOOLS)
panelContext = UI_LAYOUT_TOOLBAR;
else
panelContext = UI_LAYOUT_PANEL;
panel->layout = uiBlockLayout(block, UI_LAYOUT_VERTICAL, panelContext,
style->panelspace, 0, w - 2 * style->panelspace, em, style);
pt->draw(C, panel);
uiBlockLayoutResolve(block, &xco, &yco);
panel->layout = NULL;
yco -= 2 * style->panelspace;
uiEndPanel(block, w, -yco);
}
else {
yco = 0;
uiEndPanel(block, w, 0);
}
uiEndBlock(C, block);
}
}
/* align panels and return size */
uiEndPanels(C, ar, &x, &y);
/* clear */
UI_ThemeClearColor((ar->type->regionid == RGN_TYPE_PREVIEW) ? TH_PREVIEW_BACK : TH_BACK);
glClear(GL_COLOR_BUFFER_BIT);
/* before setting the view */
if (vertical) {
/* only allow scrolling in vertical direction */
v2d->keepofs |= V2D_LOCKOFS_X | V2D_KEEPOFS_Y;
v2d->keepofs &= ~(V2D_LOCKOFS_Y | V2D_KEEPOFS_X);
v2d->scroll |= V2D_SCROLL_HORIZONTAL_HIDE;
v2d->scroll &= ~V2D_SCROLL_VERTICAL_HIDE;
/* don't jump back when panels close or hide */
if (!newcontext)
y = MAX2(-y, -v2d->cur.ymin);
else
y = -y;
}
else {
/* for now, allow scrolling in both directions (since layouts are optimized for vertical,
* they often don't fit in horizontal layout)
*/
v2d->keepofs &= ~(V2D_LOCKOFS_X | V2D_LOCKOFS_Y | V2D_KEEPOFS_X | V2D_KEEPOFS_Y);
//v2d->keepofs |= V2D_LOCKOFS_Y|V2D_KEEPOFS_X;
//v2d->keepofs &= ~(V2D_LOCKOFS_X|V2D_KEEPOFS_Y);
v2d->scroll |= V2D_SCROLL_VERTICAL_HIDE;
v2d->scroll &= ~V2D_SCROLL_HORIZONTAL_HIDE;
/* don't jump back when panels close or hide */
if (!newcontext)
x = MAX2(x, v2d->cur.xmax);
y = -y;
}
/* +V2D_SCROLL_HEIGHT is workaround to set the actual height */
UI_view2d_totRect_set(v2d, x + V2D_SCROLL_WIDTH, y + V2D_SCROLL_HEIGHT);
/* set the view */
UI_view2d_view_ortho(v2d);
/* draw panels */
uiDrawPanels(C, ar);
/* restore view matrix */
UI_view2d_view_restore(C);
/* scrollers */
scrollers = UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
UI_view2d_scrollers_draw(C, v2d, scrollers);
UI_view2d_scrollers_free(scrollers);
}
void ED_region_panels_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
/* XXX quick hacks for files saved with 2.5 already (i.e. the builtin defaults file)
* scrollbars for button regions */
ar->v2d.scroll |= (V2D_SCROLL_RIGHT | V2D_SCROLL_BOTTOM);
ar->v2d.scroll |= V2D_SCROLL_HORIZONTAL_HIDE;
ar->v2d.scroll &= ~V2D_SCROLL_VERTICAL_HIDE;
ar->v2d.keepzoom |= V2D_KEEPZOOM;
/* correctly initialized User-Prefs? */
if (!(ar->v2d.align & V2D_ALIGN_NO_POS_Y))
ar->v2d.flag &= ~V2D_IS_INITIALISED;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_PANELS_UI, ar->winx, ar->winy);
keymap = WM_keymap_find(wm->defaultconf, "View2D Buttons List", 0, 0);
WM_event_add_keymap_handler(&ar->handlers, keymap);
}
void ED_region_header(const bContext *C, ARegion *ar)
{
uiStyle *style = UI_GetStyle();
uiBlock *block;
uiLayout *layout;
HeaderType *ht;
Header header = {NULL};
int maxco, xco, yco;
int headery = ED_area_headersize();
/* clear */
UI_ThemeClearColor((ED_screen_area_active(C)) ? TH_HEADER : TH_HEADERDESEL);
glClear(GL_COLOR_BUFFER_BIT);
/* set view2d view matrix for scrolling (without scrollers) */
UI_view2d_view_ortho(&ar->v2d);
xco = maxco = 8;
yco = headery - 4;
/* draw all headers types */
for (ht = ar->type->headertypes.first; ht; ht = ht->next) {
block = uiBeginBlock(C, ar, ht->idname, UI_EMBOSS);
layout = uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_HEADER, xco, yco, UI_UNIT_Y, 1, style);
if (ht->draw) {
header.type = ht;
header.layout = layout;
ht->draw(C, &header);
/* for view2d */
xco = uiLayoutGetWidth(layout);
if (xco > maxco)
maxco = xco;
}
uiBlockLayoutResolve(block, &xco, &yco);
/* for view2d */
if (xco > maxco)
maxco = xco;
uiEndBlock(C, block);
uiDrawBlock(C, block);
}
/* always as last */
UI_view2d_totRect_set(&ar->v2d, maxco + UI_UNIT_X + 80, ar->v2d.tot.ymax - ar->v2d.tot.ymin);
/* restore view matrix? */
UI_view2d_view_restore(C);
}
void ED_region_header_init(ARegion *ar)
{
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
}
/* UI_UNIT_Y is defined as U variable now, depending dpi */
int ED_area_headersize(void)
{
return UI_UNIT_Y + 6;
}
void ED_region_info_draw(ARegion *ar, const char *text, int block, float alpha)
{
const int header_height = 18;
uiStyle *style = UI_GetStyle();
int fontid = style->widget.uifont_id;
rcti rect;
BLF_size(fontid, 11.0f, 72);
/* background box */
rect = ar->winrct;
rect.xmin = 0;
rect.ymin = ar->winrct.ymax - ar->winrct.ymin - header_height;
if (block) {
rect.xmax = ar->winrct.xmax - ar->winrct.xmin;
}
else {
rect.xmax = rect.xmin + BLF_width(fontid, text) + 24;
}
rect.ymax = ar->winrct.ymax - ar->winrct.ymin;
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(0.0f, 0.0f, 0.0f, alpha);
glRecti(rect.xmin, rect.ymin, rect.xmax + 1, rect.ymax + 1);
glDisable(GL_BLEND);
/* text */
UI_ThemeColor(TH_TEXT_HI);
BLF_position(fontid, 12, rect.ymin + 5, 0.0f);
BLF_draw(fontid, text, BLF_DRAW_STR_DUMMY_MAX);
}
void ED_region_grid_draw(ARegion *ar, float zoomx, float zoomy)
{
float gridsize, gridstep = 1.0f / 32.0f;
float fac, blendfac;
int x1, y1, x2, y2;
/* the image is located inside (0, 0), (1, 1) as set by view2d */
UI_ThemeColorShade(TH_BACK, 20);
UI_view2d_to_region_no_clip(&ar->v2d, 0.0f, 0.0f, &x1, &y1);
UI_view2d_to_region_no_clip(&ar->v2d, 1.0f, 1.0f, &x2, &y2);
glRectf(x1, y1, x2, y2);
/* gridsize adapted to zoom level */
gridsize = 0.5f * (zoomx + zoomy);
if (gridsize <= 0.0f)
return;
if (gridsize < 1.0f) {
while (gridsize < 1.0f) {
gridsize *= 4.0f;
gridstep *= 4.0f;
}
}
else {
while (gridsize >= 4.0f) {
gridsize /= 4.0f;
gridstep /= 4.0f;
}
}
/* the fine resolution level */
blendfac = 0.25f * gridsize - floorf(0.25f * gridsize);
CLAMP(blendfac, 0.0f, 1.0f);
UI_ThemeColorShade(TH_BACK, (int)(20.0f * (1.0f - blendfac)));
fac = 0.0f;
glBegin(GL_LINES);
while (fac < 1.0f) {
glVertex2f(x1, y1 * (1.0f - fac) + y2 * fac);
glVertex2f(x2, y1 * (1.0f - fac) + y2 * fac);
glVertex2f(x1 * (1.0f - fac) + x2 * fac, y1);
glVertex2f(x1 * (1.0f - fac) + x2 * fac, y2);
fac += gridstep;
}
/* the large resolution level */
UI_ThemeColor(TH_BACK);
fac = 0.0f;
while (fac < 1.0f) {
glVertex2f(x1, y1 * (1.0f - fac) + y2 * fac);
glVertex2f(x2, y1 * (1.0f - fac) + y2 * fac);
glVertex2f(x1 * (1.0f - fac) + x2 * fac, y1);
glVertex2f(x1 * (1.0f - fac) + x2 * fac, y2);
fac += 4.0f * gridstep;
}
glEnd();
}