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blender-archive/source/blender/editors/space_buttons/buttons_context.c

1070 lines
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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) 2009 Blender Foundation.
* All rights reserved.
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_buttons/buttons_context.c
* \ingroup spbuttons
*/
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "DNA_armature_types.h"
#include "DNA_lamp_types.h"
#include "DNA_material_types.h"
#include "DNA_node_types.h"
#include "DNA_scene_types.h"
#include "DNA_world_types.h"
#include "DNA_speaker_types.h"
#include "DNA_brush_types.h"
#include "BKE_context.h"
#include "BKE_action.h"
#include "BKE_material.h"
#include "BKE_modifier.h"
#include "BKE_paint.h"
#include "BKE_particle.h"
#include "BKE_screen.h"
#include "BKE_texture.h"
#include "RNA_access.h"
#include "ED_armature.h"
#include "ED_screen.h"
#include "ED_physics.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "buttons_intern.h" // own include
static int set_pointer_type(ButsContextPath *path, bContextDataResult *result, StructRNA *type)
{
PointerRNA *ptr;
int a;
for(a=0; a<path->len; a++) {
ptr= &path->ptr[a];
if(RNA_struct_is_a(ptr->type, type)) {
CTX_data_pointer_set(result, ptr->id.data, ptr->type, ptr->data);
return 1;
}
}
return 0;
}
static PointerRNA *get_pointer_type(ButsContextPath *path, StructRNA *type)
{
PointerRNA *ptr;
int a;
for(a=0; a<path->len; a++) {
ptr= &path->ptr[a];
if(RNA_struct_is_a(ptr->type, type))
return ptr;
}
return NULL;
}
/************************* Creating the Path ************************/
static int buttons_context_path_scene(ButsContextPath *path)
{
PointerRNA *ptr= &path->ptr[path->len-1];
/* this one just verifies */
return RNA_struct_is_a(ptr->type, &RNA_Scene);
}
/* note: this function can return 1 without adding a world to the path
* so the buttons stay visible, but be sure to check the ID type if a ID_WO */
static int buttons_context_path_world(ButsContextPath *path)
{
Scene *scene;
World *world;
PointerRNA *ptr= &path->ptr[path->len-1];
/* if we already have a (pinned) world, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_World)) {
return 1;
}
/* if we have a scene, use the scene's world */
else if(buttons_context_path_scene(path)) {
scene= path->ptr[path->len-1].data;
world= scene->world;
if(world) {
RNA_id_pointer_create(&scene->world->id, &path->ptr[path->len]);
path->len++;
return 1;
}
else {
return 1;
}
}
/* no path to a world possible */
return 0;
}
static int buttons_context_path_object(ButsContextPath *path)
{
Scene *scene;
Object *ob;
PointerRNA *ptr= &path->ptr[path->len-1];
/* if we already have a (pinned) object, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Object)) {
return 1;
}
/* if we have a scene, use the scene's active object */
else if(buttons_context_path_scene(path)) {
scene= path->ptr[path->len-1].data;
ob= (scene->basact)? scene->basact->object: NULL;
if(ob) {
RNA_id_pointer_create(&ob->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* no path to a object possible */
return 0;
}
static int buttons_context_path_data(ButsContextPath *path, int type)
{
Object *ob;
PointerRNA *ptr= &path->ptr[path->len-1];
/* if we already have a data, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Mesh) && (type == -1 || type == OB_MESH)) return 1;
else if(RNA_struct_is_a(ptr->type, &RNA_Curve) && (type == -1 || ELEM3(type, OB_CURVE, OB_SURF, OB_FONT))) return 1;
else if(RNA_struct_is_a(ptr->type, &RNA_Armature) && (type == -1 || type == OB_ARMATURE)) return 1;
else if(RNA_struct_is_a(ptr->type, &RNA_MetaBall) && (type == -1 || type == OB_MBALL)) return 1;
else if(RNA_struct_is_a(ptr->type, &RNA_Lattice) && (type == -1 || type == OB_LATTICE)) return 1;
else if(RNA_struct_is_a(ptr->type, &RNA_Camera) && (type == -1 || type == OB_CAMERA)) return 1;
else if(RNA_struct_is_a(ptr->type, &RNA_Lamp) && (type == -1 || type == OB_LAMP)) return 1;
else if(RNA_struct_is_a(ptr->type, &RNA_Speaker) && (type == -1 || type == OB_SPEAKER)) return 1;
/* try to get an object in the path, no pinning supported here */
else if(buttons_context_path_object(path)) {
ob= path->ptr[path->len-1].data;
if(ob && (type == -1 || type == ob->type)) {
RNA_id_pointer_create(ob->data, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* no path to data possible */
return 0;
}
static int buttons_context_path_modifier(ButsContextPath *path)
{
Object *ob;
if(buttons_context_path_object(path)) {
ob= path->ptr[path->len-1].data;
if(ob && ELEM5(ob->type, OB_MESH, OB_CURVE, OB_FONT, OB_SURF, OB_LATTICE))
return 1;
}
return 0;
}
static int buttons_context_path_material(ButsContextPath *path, int for_texture)
{
Object *ob;
PointerRNA *ptr= &path->ptr[path->len-1];
Material *ma;
/* if we already have a (pinned) material, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Material)) {
return 1;
}
/* if we have an object, use the object material slot */
else if(buttons_context_path_object(path)) {
ob= path->ptr[path->len-1].data;
if(ob && OB_TYPE_SUPPORT_MATERIAL(ob->type)) {
ma= give_current_material(ob, ob->actcol);
RNA_id_pointer_create(&ma->id, &path->ptr[path->len]);
path->len++;
if(for_texture && give_current_material_texture_node(ma))
return 1;
ma= give_node_material(ma);
if(ma) {
RNA_id_pointer_create(&ma->id, &path->ptr[path->len]);
path->len++;
}
return 1;
}
}
/* no path to a material possible */
return 0;
}
static int buttons_context_path_bone(ButsContextPath *path)
{
bArmature *arm;
EditBone *edbo;
/* if we have an armature, get the active bone */
if(buttons_context_path_data(path, OB_ARMATURE)) {
arm= path->ptr[path->len-1].data;
if(arm->edbo) {
if(arm->act_edbone) {
edbo= arm->act_edbone;
RNA_pointer_create(&arm->id, &RNA_EditBone, edbo, &path->ptr[path->len]);
path->len++;
return 1;
}
}
else {
if(arm->act_bone) {
RNA_pointer_create(&arm->id, &RNA_Bone, arm->act_bone, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* no path to a bone possible */
return 0;
}
static int buttons_context_path_pose_bone(ButsContextPath *path)
{
PointerRNA *ptr= &path->ptr[path->len-1];
/* if we already have a (pinned) PoseBone, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_PoseBone)) {
return 1;
}
/* if we have an armature, get the active bone */
if(buttons_context_path_object(path)) {
Object *ob= path->ptr[path->len-1].data;
bArmature *arm= ob->data; /* path->ptr[path->len-1].data - works too */
if(ob->type != OB_ARMATURE || arm->edbo) {
return 0;
}
else {
if(arm->act_bone) {
bPoseChannel *pchan= get_pose_channel(ob->pose, arm->act_bone->name);
if(pchan) {
RNA_pointer_create(&ob->id, &RNA_PoseBone, pchan, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
}
/* no path to a bone possible */
return 0;
}
static int buttons_context_path_particle(ButsContextPath *path)
{
Object *ob;
ParticleSystem *psys;
PointerRNA *ptr= &path->ptr[path->len-1];
/* if we already have (pinned) particle settings, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_ParticleSettings)) {
return 1;
}
/* if we have an object, get the active particle system */
if(buttons_context_path_object(path)) {
ob= path->ptr[path->len-1].data;
if(ob && ob->type == OB_MESH) {
psys= psys_get_current(ob);
RNA_pointer_create(&ob->id, &RNA_ParticleSystem, psys, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* no path to a particle system possible */
return 0;
}
static int buttons_context_path_brush(ButsContextPath *path)
{
Scene *scene;
Brush *br= NULL;
PointerRNA *ptr= &path->ptr[path->len-1];
/* if we already have a (pinned) brush, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Brush)) {
return 1;
}
/* if we have a scene, use the toolsettings brushes */
else if(buttons_context_path_scene(path)) {
scene= path->ptr[path->len-1].data;
if(scene)
br= paint_brush(paint_get_active(scene));
if(br) {
RNA_id_pointer_create((ID *)br, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* no path to a brush possible */
return 0;
}
static int buttons_context_path_texture(ButsContextPath *path, ButsContextTexture *ct)
{
if(ct) {
/* new shading system */
PointerRNA *ptr= &path->ptr[path->len-1];
ID *id;
/* if we already have a (pinned) texture, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Texture))
return 1;
if(!ct->user)
return 0;
id= ct->user->id;
if(id) {
if(GS(id->name) == ID_BR)
buttons_context_path_brush(path);
else if(GS(id->name) == ID_MA)
buttons_context_path_material(path, 0);
else if(GS(id->name) == ID_WO)
buttons_context_path_world(path);
else if(GS(id->name) == ID_LA)
buttons_context_path_data(path, OB_LAMP);
else if(GS(id->name) == ID_PA)
buttons_context_path_particle(path);
else if(GS(id->name) == ID_OB)
buttons_context_path_object(path);
}
if(ct->texture) {
RNA_id_pointer_create(&ct->texture->id, &path->ptr[path->len]);
path->len++;
}
return 1;
}
else {
/* old shading system */
Material *ma;
Lamp *la;
Brush *br;
World *wo;
ParticleSystem *psys;
Tex *tex;
PointerRNA *ptr= &path->ptr[path->len-1];
int orig_len = path->len;
/* if we already have a (pinned) texture, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Texture)) {
return 1;
}
/* try brush */
if((path->tex_ctx == SB_TEXC_BRUSH) && buttons_context_path_brush(path)) {
br= path->ptr[path->len-1].data;
if(br) {
tex= give_current_brush_texture(br);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try world */
if((path->tex_ctx == SB_TEXC_WORLD) && buttons_context_path_world(path)) {
wo= path->ptr[path->len-1].data;
if(wo && GS(wo->id.name)==ID_WO) {
tex= give_current_world_texture(wo);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try particles */
if((path->tex_ctx == SB_TEXC_PARTICLES) && buttons_context_path_particle(path)) {
if(path->ptr[path->len-1].type == &RNA_ParticleSettings) {
ParticleSettings *part = path->ptr[path->len-1].data;
tex= give_current_particle_texture(part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
else {
psys= path->ptr[path->len-1].data;
if(psys && psys->part && GS(psys->part->id.name)==ID_PA) {
tex= give_current_particle_texture(psys->part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* try material */
if(buttons_context_path_material(path, 1)) {
ma= path->ptr[path->len-1].data;
if(ma) {
tex= give_current_material_texture(ma);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try lamp */
if(buttons_context_path_data(path, OB_LAMP)) {
la= path->ptr[path->len-1].data;
if(la) {
tex= give_current_lamp_texture(la);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try brushes again in case of no material, lamp, etc */
path->len = orig_len;
if(buttons_context_path_brush(path)) {
br= path->ptr[path->len-1].data;
if(br) {
tex= give_current_brush_texture(br);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* no path to a texture possible */
return 0;
}
static int buttons_context_path(const bContext *C, ButsContextPath *path, int mainb, int flag)
{
SpaceButs *sbuts= CTX_wm_space_buts(C);
ID *id;
int found;
memset(path, 0, sizeof(*path));
path->flag= flag;
path->tex_ctx = sbuts->texture_context;
/* if some ID datablock is pinned, set the root pointer */
if(sbuts->pinid) {
id= sbuts->pinid;
RNA_id_pointer_create(id, &path->ptr[0]);
path->len++;
}
/* no pinned root, use scene as root */
if(path->len == 0) {
id= (ID*)CTX_data_scene(C);
RNA_id_pointer_create(id, &path->ptr[0]);
path->len++;
}
/* now for each buttons context type, we try to construct a path,
* tracing back recursively */
switch(mainb) {
case BCONTEXT_SCENE:
case BCONTEXT_RENDER:
found= buttons_context_path_scene(path);
break;
case BCONTEXT_WORLD:
found= buttons_context_path_world(path);
break;
case BCONTEXT_OBJECT:
case BCONTEXT_PHYSICS:
case BCONTEXT_CONSTRAINT:
found= buttons_context_path_object(path);
break;
case BCONTEXT_MODIFIER:
found= buttons_context_path_modifier(path);
break;
case BCONTEXT_DATA:
found= buttons_context_path_data(path, -1);
break;
case BCONTEXT_PARTICLE:
found= buttons_context_path_particle(path);
break;
case BCONTEXT_MATERIAL:
found= buttons_context_path_material(path, 0);
break;
case BCONTEXT_TEXTURE:
found= buttons_context_path_texture(path, sbuts->texuser);
break;
case BCONTEXT_BONE:
found= buttons_context_path_bone(path);
if(!found)
found= buttons_context_path_data(path, OB_ARMATURE);
break;
case BCONTEXT_BONE_CONSTRAINT:
found= buttons_context_path_pose_bone(path);
break;
default:
found= 0;
break;
}
return found;
}
static int buttons_shading_context(const bContext *C, int mainb)
{
Object *ob= CTX_data_active_object(C);
if(ELEM3(mainb, BCONTEXT_MATERIAL, BCONTEXT_WORLD, BCONTEXT_TEXTURE))
return 1;
if(mainb == BCONTEXT_DATA && ob && ELEM(ob->type, OB_LAMP, OB_CAMERA))
return 1;
return 0;
}
static int buttons_shading_new_context(const bContext *C, int flag)
{
Object *ob= CTX_data_active_object(C);
if(flag & (1 << BCONTEXT_MATERIAL))
return BCONTEXT_MATERIAL;
else if(ob && ELEM(ob->type, OB_LAMP, OB_CAMERA) && (flag & (1 << BCONTEXT_DATA)))
return BCONTEXT_DATA;
else if(flag & (1 << BCONTEXT_WORLD))
return BCONTEXT_WORLD;
return BCONTEXT_RENDER;
}
void buttons_context_compute(const bContext *C, SpaceButs *sbuts)
{
ButsContextPath *path;
PointerRNA *ptr;
int a, pflag= 0, flag= 0;
buttons_texture_context_compute(C, sbuts);
if(!sbuts->path)
sbuts->path= MEM_callocN(sizeof(ButsContextPath), "ButsContextPath");
path= sbuts->path;
/* for each context, see if we can compute a valid path to it, if
* this is the case, we know we have to display the button */
for(a=0; a<BCONTEXT_TOT; a++) {
if(buttons_context_path(C, path, a, pflag)) {
flag |= (1<<a);
/* setting icon for data context */
if(a == BCONTEXT_DATA) {
ptr= &path->ptr[path->len-1];
if(ptr->type)
sbuts->dataicon= RNA_struct_ui_icon(ptr->type);
else
sbuts->dataicon= ICON_EMPTY_DATA;
}
}
}
/* always try to use the tab that was explicitly
* set to the user, so that once that context comes
* back, the tab is activated again */
sbuts->mainb= sbuts->mainbuser;
/* in case something becomes invalid, change */
if((flag & (1 << sbuts->mainb)) == 0) {
if(sbuts->flag & SB_SHADING_CONTEXT) {
/* try to keep showing shading related buttons */
sbuts->mainb= buttons_shading_new_context(C, flag);
}
else if(flag & BCONTEXT_OBJECT) {
sbuts->mainb= BCONTEXT_OBJECT;
}
else {
for(a=0; a<BCONTEXT_TOT; a++) {
if(flag & (1 << a)) {
sbuts->mainb= a;
break;
}
}
}
}
buttons_context_path(C, path, sbuts->mainb, pflag);
if(!(flag & (1 << sbuts->mainb))) {
if(flag & (1 << BCONTEXT_OBJECT))
sbuts->mainb= BCONTEXT_OBJECT;
else
sbuts->mainb= BCONTEXT_SCENE;
}
if(buttons_shading_context(C, sbuts->mainb))
sbuts->flag |= SB_SHADING_CONTEXT;
else
sbuts->flag &= ~SB_SHADING_CONTEXT;
sbuts->pathflag= flag;
}
/************************* Context Callback ************************/
const char *buttons_context_dir[] = {
"world", "object", "mesh", "armature", "lattice", "curve",
"meta_ball", "lamp", "speaker", "camera", "material", "material_slot",
"texture", "texture_slot", "texture_user", "bone", "edit_bone",
"pose_bone", "particle_system", "particle_system_editable",
"cloth", "soft_body", "fluid", "smoke", "collision", "brush", "dynamic_paint", NULL};
int buttons_context(const bContext *C, const char *member, bContextDataResult *result)
{
SpaceButs *sbuts= CTX_wm_space_buts(C);
ButsContextPath *path= sbuts?sbuts->path:NULL;
if(!path)
return 0;
/* here we handle context, getting data from precomputed path */
if(CTX_data_dir(member)) {
CTX_data_dir_set(result, buttons_context_dir);
return 1;
}
else if(CTX_data_equals(member, "world")) {
set_pointer_type(path, result, &RNA_World);
return 1;
}
else if(CTX_data_equals(member, "object")) {
set_pointer_type(path, result, &RNA_Object);
return 1;
}
else if(CTX_data_equals(member, "mesh")) {
set_pointer_type(path, result, &RNA_Mesh);
return 1;
}
else if(CTX_data_equals(member, "armature")) {
set_pointer_type(path, result, &RNA_Armature);
return 1;
}
else if(CTX_data_equals(member, "lattice")) {
set_pointer_type(path, result, &RNA_Lattice);
return 1;
}
else if(CTX_data_equals(member, "curve")) {
set_pointer_type(path, result, &RNA_Curve);
return 1;
}
else if(CTX_data_equals(member, "meta_ball")) {
set_pointer_type(path, result, &RNA_MetaBall);
return 1;
}
else if(CTX_data_equals(member, "lamp")) {
set_pointer_type(path, result, &RNA_Lamp);
return 1;
}
else if(CTX_data_equals(member, "camera")) {
set_pointer_type(path, result, &RNA_Camera);
return 1;
}
else if(CTX_data_equals(member, "speaker")) {
set_pointer_type(path, result, &RNA_Speaker);
return 1;
}
else if(CTX_data_equals(member, "material")) {
set_pointer_type(path, result, &RNA_Material);
return 1;
}
else if(CTX_data_equals(member, "texture")) {
ButsContextTexture *ct= sbuts->texuser;
if(ct) {
/* new shading system */
CTX_data_pointer_set(result, &ct->texture->id, &RNA_Texture, ct->texture);
}
else {
/* old shading system */
set_pointer_type(path, result, &RNA_Texture);
}
return 1;
}
else if(CTX_data_equals(member, "material_slot")) {
PointerRNA *ptr= get_pointer_type(path, &RNA_Object);
if(ptr) {
Object *ob= ptr->data;
if(ob && OB_TYPE_SUPPORT_MATERIAL(ob->type) && ob->totcol) {
/* a valid actcol isn't ensured [#27526] */
int matnr= ob->actcol-1;
if(matnr < 0) matnr= 0;
CTX_data_pointer_set(result, &ob->id, &RNA_MaterialSlot, &ob->mat[matnr]);
}
}
return 1;
}
else if(CTX_data_equals(member, "texture_user")) {
ButsContextTexture *ct= sbuts->texuser;
if(!ct)
return 0; /* old shading system */
if(ct->user && ct->user->ptr.data) {
ButsTextureUser *user= ct->user;
CTX_data_pointer_set(result, user->ptr.id.data, user->ptr.type, user->ptr.data);
}
return 1;
}
else if(CTX_data_equals(member, "texture_node")) {
ButsContextTexture *ct= sbuts->texuser;
if(ct) {
/* new shading system */
if(ct->user && ct->user->node)
CTX_data_pointer_set(result, &ct->user->ntree->id, &RNA_Node, ct->user->node);
return 1;
}
else {
/* old shading system */
PointerRNA *ptr;
if((ptr=get_pointer_type(path, &RNA_Material))) {
Material *ma= ptr->data;
if(ma) {
bNode *node= give_current_material_texture_node(ma);
CTX_data_pointer_set(result, &ma->nodetree->id, &RNA_Node, node);
}
}
return 1;
}
}
else if(CTX_data_equals(member, "texture_slot")) {
ButsContextTexture *ct= sbuts->texuser;
PointerRNA *ptr;
if(ct)
return 0; /* new shading system */
if((ptr=get_pointer_type(path, &RNA_Material))) {
Material *ma= ptr->data;
/* if we have a node material, get slot from material in material node */
if(ma && ma->use_nodes && ma->nodetree) {
/* if there's an active texture node in the node tree,
* then that texture is in context directly, without a texture slot */
if (give_current_material_texture_node(ma))
return 0;
ma= give_node_material(ma);
if (ma)
CTX_data_pointer_set(result, &ma->id, &RNA_MaterialTextureSlot, ma->mtex[(int)ma->texact]);
else
return 0;
} else if(ma) {
CTX_data_pointer_set(result, &ma->id, &RNA_MaterialTextureSlot, ma->mtex[(int)ma->texact]);
}
}
else if((ptr=get_pointer_type(path, &RNA_Lamp))) {
Lamp *la= ptr->data;
if(la)
CTX_data_pointer_set(result, &la->id, &RNA_LampTextureSlot, la->mtex[(int)la->texact]);
}
else if((ptr=get_pointer_type(path, &RNA_World))) {
World *wo= ptr->data;
if(wo)
CTX_data_pointer_set(result, &wo->id, &RNA_WorldTextureSlot, wo->mtex[(int)wo->texact]);
}
else if((ptr=get_pointer_type(path, &RNA_Brush))) { /* how to get this into context? */
Brush *br= ptr->data;
if(br)
CTX_data_pointer_set(result, &br->id, &RNA_BrushTextureSlot, &br->mtex);
}
else if((ptr=get_pointer_type(path, &RNA_ParticleSystem))) {
ParticleSettings *part= ((ParticleSystem *)ptr->data)->part;
if(part)
CTX_data_pointer_set(result, &part->id, &RNA_ParticleSettingsTextureSlot, part->mtex[(int)part->texact]);
}
return 1;
}
else if(CTX_data_equals(member, "bone")) {
set_pointer_type(path, result, &RNA_Bone);
return 1;
}
else if(CTX_data_equals(member, "edit_bone")) {
set_pointer_type(path, result, &RNA_EditBone);
return 1;
}
else if(CTX_data_equals(member, "pose_bone")) {
set_pointer_type(path, result, &RNA_PoseBone);
return 1;
}
else if(CTX_data_equals(member, "particle_system")) {
set_pointer_type(path, result, &RNA_ParticleSystem);
return 1;
}
else if(CTX_data_equals(member, "particle_system_editable")) {
if(PE_poll((bContext*)C))
set_pointer_type(path, result, &RNA_ParticleSystem);
else
CTX_data_pointer_set(result, NULL, &RNA_ParticleSystem, NULL);
return 1;
}
else if(CTX_data_equals(member, "cloth")) {
PointerRNA *ptr= get_pointer_type(path, &RNA_Object);
if(ptr && ptr->data) {
Object *ob= ptr->data;
ModifierData *md= modifiers_findByType(ob, eModifierType_Cloth);
CTX_data_pointer_set(result, &ob->id, &RNA_ClothModifier, md);
return 1;
}
}
else if(CTX_data_equals(member, "soft_body")) {
PointerRNA *ptr= get_pointer_type(path, &RNA_Object);
if(ptr && ptr->data) {
Object *ob= ptr->data;
ModifierData *md= modifiers_findByType(ob, eModifierType_Softbody);
CTX_data_pointer_set(result, &ob->id, &RNA_SoftBodyModifier, md);
return 1;
}
}
else if(CTX_data_equals(member, "fluid")) {
PointerRNA *ptr= get_pointer_type(path, &RNA_Object);
if(ptr && ptr->data) {
Object *ob= ptr->data;
ModifierData *md= modifiers_findByType(ob, eModifierType_Fluidsim);
CTX_data_pointer_set(result, &ob->id, &RNA_FluidSimulationModifier, md);
return 1;
}
}
else if(CTX_data_equals(member, "smoke")) {
PointerRNA *ptr= get_pointer_type(path, &RNA_Object);
if(ptr && ptr->data) {
Object *ob= ptr->data;
ModifierData *md= modifiers_findByType(ob, eModifierType_Smoke);
CTX_data_pointer_set(result, &ob->id, &RNA_SmokeModifier, md);
return 1;
}
}
else if(CTX_data_equals(member, "collision")) {
PointerRNA *ptr= get_pointer_type(path, &RNA_Object);
if(ptr && ptr->data) {
Object *ob= ptr->data;
ModifierData *md= modifiers_findByType(ob, eModifierType_Collision);
CTX_data_pointer_set(result, &ob->id, &RNA_CollisionModifier, md);
return 1;
}
}
else if(CTX_data_equals(member, "brush")) {
set_pointer_type(path, result, &RNA_Brush);
return 1;
}
else if(CTX_data_equals(member, "dynamic_paint")) {
PointerRNA *ptr= get_pointer_type(path, &RNA_Object);
if(ptr && ptr->data) {
Object *ob= ptr->data;
ModifierData *md= modifiers_findByType(ob, eModifierType_DynamicPaint);
CTX_data_pointer_set(result, &ob->id, &RNA_DynamicPaintModifier, md);
return 1;
}
}
else {
return 0; /* not found */
}
return -1; /* found but not available */
}
/************************* Drawing the Path ************************/
static void pin_cb(bContext *C, void *UNUSED(arg1), void *UNUSED(arg2))
{
SpaceButs *sbuts= CTX_wm_space_buts(C);
if(sbuts->flag & SB_PIN_CONTEXT) {
sbuts->pinid= buttons_context_id_path(C);
}
else
sbuts->pinid= NULL;
ED_area_tag_redraw(CTX_wm_area(C));
}
void buttons_context_draw(const bContext *C, uiLayout *layout)
{
SpaceButs *sbuts= CTX_wm_space_buts(C);
ButsContextPath *path= sbuts->path;
uiLayout *row;
uiBlock *block;
uiBut *but;
PointerRNA *ptr;
char namebuf[128], *name;
int a, icon;
if(!path)
return;
row= uiLayoutRow(layout, 1);
uiLayoutSetAlignment(row, UI_LAYOUT_ALIGN_LEFT);
block= uiLayoutGetBlock(row);
uiBlockSetEmboss(block, UI_EMBOSSN);
but= uiDefIconButBitC(block, ICONTOG, SB_PIN_CONTEXT, 0, ICON_UNPINNED, 0, 0, UI_UNIT_X, UI_UNIT_Y, &sbuts->flag, 0, 0, 0, 0, "Follow context or keep fixed datablock displayed");
uiButClearFlag(but, UI_BUT_UNDO); /* skip undo on screen buttons */
uiButSetFunc(but, pin_cb, NULL, NULL);
for(a=0; a<path->len; a++) {
ptr= &path->ptr[a];
if(a != 0)
uiItemL(row, "", VICO_SMALL_TRI_RIGHT_VEC);
if(ptr->data) {
icon= RNA_struct_ui_icon(ptr->type);
name= RNA_struct_name_get_alloc(ptr, namebuf, sizeof(namebuf), NULL);
if(name) {
if(!ELEM(sbuts->mainb, BCONTEXT_RENDER, BCONTEXT_SCENE) && ptr->type == &RNA_Scene)
uiItemLDrag(row, ptr, "", icon); /* save some space */
else
uiItemLDrag(row, ptr, name, icon);
if(name != namebuf)
MEM_freeN(name);
}
else
uiItemL(row, "", icon);
}
}
}
static void buttons_panel_context(const bContext *C, Panel *pa)
{
buttons_context_draw(C, pa->layout);
}
void buttons_context_register(ARegionType *art)
{
PanelType *pt;
pt= MEM_callocN(sizeof(PanelType), "spacetype buttons panel context");
strcpy(pt->idname, "BUTTONS_PT_context");
strcpy(pt->label, "Context");
pt->draw= buttons_panel_context;
pt->flag= PNL_NO_HEADER;
BLI_addtail(&art->paneltypes, pt);
}
ID *buttons_context_id_path(const bContext *C)
{
SpaceButs *sbuts= CTX_wm_space_buts(C);
ButsContextPath *path= sbuts->path;
PointerRNA *ptr;
int a;
if(path->len) {
for(a=path->len-1; a>=0; a--) {
ptr= &path->ptr[a];
/* pin particle settings instead of system, since only settings are an idblock*/
if(sbuts->mainb == BCONTEXT_PARTICLE && sbuts->flag & SB_PIN_CONTEXT) {
if(ptr->type == &RNA_ParticleSystem && ptr->data) {
ParticleSystem *psys = (ParticleSystem *)ptr->data;
return &psys->part->id;
}
}
if(ptr->id.data) {
return ptr->id.data;
}
}
}
return NULL;
}