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blender-archive/source/blender/editors/interface/interface_layout.c

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C

#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_ID.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "BLI_listbase.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_idprop.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
#include "RNA_access.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "BIF_gl.h"
#include "ED_util.h"
#include "ED_types.h"
#include "ED_screen.h"
#include "WM_api.h"
#include "WM_types.h"
#include "interface_intern.h"
/************************ Structs and Defines *************************/
#define COLUMN_SPACE 5
#define TEMPLATE_SPACE 5
#define BOX_SPACE 5
#define BUTTON_SPACE_X 5
#define BUTTON_SPACE_Y 2
#define RNA_NO_INDEX -1
#define EM_UNIT_X XIC
#define EM_UNIT_Y YIC
/* Item */
typedef enum uiItemType {
ITEM_OPERATOR,
ITEM_RNA_PROPERTY,
ITEM_MENU,
ITEM_LABEL
} uiItemType;
enum uiItemFlag {
ITEM_ICON,
ITEM_TEXT
};
typedef struct uiItem {
struct uiItem *next, *prev;
uiItemType type;
int slot;
char *name;
int icon;
} uiItem;
typedef struct uiItemRNA {
uiItem item;
PointerRNA ptr;
PropertyRNA *prop;
int index;
int expand;
} uiItemRNA;
typedef struct uiItemOp {
uiItem item;
wmOperatorType *ot;
IDProperty *properties;
int context;
} uiItemOp;
typedef struct uiItemLMenu {
uiItem item;
uiMenuCreateFunc func;
} uiItemLMenu;
/* Template */
typedef enum uiTemplateType {
TEMPLATE_ROW,
TEMPLATE_COLUMN,
TEMPLATE_COLUMN_FLOW,
TEMPLATE_SPLIT,
TEMPLATE_BOX,
TEMPLATE_HEADER_MENUS,
TEMPLATE_HEADER_BUTTONS,
TEMPLATE_HEADER_ID
} uiTemplateType;
typedef struct uiTemplate {
struct uiTemplate *next, *prev;
uiTemplateType type;
ListBase items;
int color, slot;
} uiTemplate;
typedef struct uiTemplateFlow {
uiTemplate template;
int number;
} uiTemplateFlow;
typedef struct uiTemplateSplt {
uiTemplate template;
int number;
int lr;
uiLayout **sublayout;
} uiTemplateSplt;
typedef struct uiTemplateBx {
uiTemplate template;
uiLayout *sublayout;
} uiTemplateBx;
typedef struct uiTemplateHeadID {
uiTemplate template;
PointerRNA ptr;
char *propname;
int flag;
uiIDPoinFunc func;
} uiTemplateHeadID;
/* Layout */
struct uiLayout {
ListBase templates;
int opcontext;
int dir;
int x, y, w, h;
int emw, emh;
};
void ui_layout_free(uiLayout *layout);
void ui_layout_end(const bContext *C, uiBlock *block, uiLayout *layout, int *x, int *y);
/************************** Item ***************************/
#define UI_FIT_EXPAND 1
static int ui_item_fit(int item, int pos, int all, int available, int spacing, int last, int flag)
{
if(all > available-spacing) {
/* contents is bigger than available space */
if(last)
return available-pos;
else
return (item*(available-spacing))/all;
}
else {
/* contents is smaller or equal to available space */
if(flag & UI_FIT_EXPAND) {
if(last)
return available-pos;
else
return (item*(available-spacing))/all;
}
else
return item;
}
}
/* create buttons for an item with an RNA array */
static void ui_item_array(uiBlock *block, uiItemRNA *rnaitem, int len, int x, int y, int w, int h)
{
PropertyType type;
PropertySubType subtype;
char *name;
int a;
/* retrieve type and subtype */
type= RNA_property_type(rnaitem->prop);
subtype= RNA_property_subtype(rnaitem->prop);
/* create label */
if(rnaitem->item.name)
name= (char*)rnaitem->item.name;
else
name= (char*)RNA_property_ui_name(rnaitem->prop);
if(strcmp(name, "") != 0)
uiDefBut(block, LABEL, 0, name, x, y + h - EM_UNIT_Y, w, EM_UNIT_Y, NULL, 0.0, 0.0, 0, 0, "");
/* create buttons */
uiBlockBeginAlign(block);
if(type == PROP_BOOLEAN && len == 20) {
/* special check for layer layout */
int butw, buth;
butw= ui_item_fit(EM_UNIT_X, 0, EM_UNIT_X*10 + BUTTON_SPACE_X, w, 0, 0, UI_FIT_EXPAND);
buth= MIN2(EM_UNIT_Y, butw);
y += 2*(EM_UNIT_Y - buth);
uiBlockBeginAlign(block);
for(a=0; a<5; a++)
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, a, "", ICON_BLANK1, x + butw*a, y+buth, butw, buth);
for(a=0; a<5; a++)
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, a+10, "", ICON_BLANK1, x + butw*a, y, butw, buth);
uiBlockEndAlign(block);
x += 5*butw + BUTTON_SPACE_X;
uiBlockBeginAlign(block);
for(a=0; a<5; a++)
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, a+5, "", ICON_BLANK1, x + butw*a, y+buth, butw, buth);
for(a=0; a<5; a++)
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, a+15, "", ICON_BLANK1, x + butw*a, y, butw, buth);
uiBlockEndAlign(block);
}
else if(subtype == PROP_MATRIX) {
/* matrix layout */
int row, col;
len= ceil(sqrt(len));
h /= len;
w /= len;
// XXX test
for(a=0; a<len; a++) {
col= a%len;
row= a/len;
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, a, "", 0, x + w*col, y+(row-a-1)*EM_UNIT_Y, w, EM_UNIT_Y);
}
}
else if(len <= 4 && ELEM3(subtype, PROP_ROTATION, PROP_VECTOR, PROP_COLOR)) {
/* layout for known array subtypes */
static char vectoritem[4]= {'X', 'Y', 'Z', 'W'};
static char quatitem[4]= {'W', 'X', 'Y', 'Z'};
static char coloritem[4]= {'R', 'G', 'B', 'A'};
char str[3];
for(a=0; a<len; a++) {
if(len == 4 && subtype == PROP_ROTATION)
str[0]= quatitem[a];
else if(subtype == PROP_VECTOR || subtype == PROP_ROTATION)
str[0]= vectoritem[a];
else
str[0]= coloritem[a];
if(type == PROP_BOOLEAN) {
str[1]= '\0';
}
else {
str[1]= ':';
str[2]= '\0';
}
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, a, str, 0, x, y+(len-a-1)*EM_UNIT_Y, w, EM_UNIT_Y);
}
}
else {
/* default array layout */
for(a=0; a<len; a++)
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, a, "", 0, x, y+(len-a-1)*EM_UNIT_Y, w, EM_UNIT_Y);
}
uiBlockEndAlign(block);
}
static void ui_item_enum_row(uiBlock *block, uiItemRNA *rnaitem, int x, int y, int w, int h)
{
const EnumPropertyItem *item;
int a, totitem, pos, itemw;
const char *propname;
propname= RNA_property_identifier(rnaitem->prop);
RNA_property_enum_items(&rnaitem->ptr, rnaitem->prop, &item, &totitem);
uiBlockBeginAlign(block);
pos= 0;
for(a=0; a<totitem; a++) {
itemw= ui_item_fit(1, pos, totitem, w, 0, a == totitem-1, UI_FIT_EXPAND);
uiDefButR(block, ROW, 0, NULL, x+pos, y, itemw, h, &rnaitem->ptr, propname, -1, 0, item[a].value, -1, -1, NULL);
pos += itemw;
}
uiBlockEndAlign(block);
}
/* create label + button for RNA property */
static void ui_item_with_label(uiBlock *block, uiItemRNA *rnaitem, int x, int y, int w, int h)
{
char *name;
if(rnaitem->item.name)
name= (char*)rnaitem->item.name;
else
name= (char*)RNA_property_ui_name(rnaitem->prop);
if(strcmp(name, "") != 0) {
w= w/2;
uiDefBut(block, LABEL, 0, name, x, y, w, h, NULL, 0.0, 0.0, 0, 0, "");
x += w;
}
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, rnaitem->index, "", rnaitem->item.icon, x, y, w, h);
}
/* create buttons for an arbitrary item */
static void ui_item_buts(uiBlock *block, uiItem *item, int x, int y, int w, int h)
{
if(item->type == ITEM_RNA_PROPERTY) {
/* RNA property */
uiItemRNA *rnaitem= (uiItemRNA*)item;
PropertyType type;
int len;
/* retrieve info */
type= RNA_property_type(rnaitem->prop);
len= RNA_property_array_length(rnaitem->prop);
/* array property */
if(rnaitem->index == RNA_NO_INDEX && len > 0)
ui_item_array(block, rnaitem, len, x, y, w, h);
/* expanded enum */
else if(type == PROP_ENUM && rnaitem->expand)
ui_item_enum_row(block, rnaitem, x, y, w, h);
/* property with separate label */
else if(type == PROP_ENUM || type == PROP_STRING || type == PROP_POINTER)
ui_item_with_label(block, rnaitem, x, y, w, h);
/* single button */
else
uiDefAutoButR(block, &rnaitem->ptr, rnaitem->prop, rnaitem->index, (char*)item->name, item->icon, x, y, w, h);
}
else if(item->type == ITEM_OPERATOR) {
/* operator */
uiItemOp *opitem= (uiItemOp*)item;
uiBut *but;
if(item->icon && item->name)
but= uiDefIconTextButO(block, BUT, opitem->ot->idname, opitem->context, item->icon, (char*)item->name, x, y, w, h, NULL);
else if(item->icon)
but= uiDefIconButO(block, BUT, opitem->ot->idname, opitem->context, item->icon, x, y, w, h, NULL);
/* text only */
else
but= uiDefButO(block, BUT, opitem->ot->idname, opitem->context, (char*)item->name, x, y, w, h, NULL);
if(but && opitem->properties) {
/* assign properties */
PointerRNA *opptr= uiButGetOperatorPtrRNA(but);
opptr->data= opitem->properties;
opitem->properties= NULL;
}
}
else if(item->type == ITEM_MENU) {
/* menu */
uiItemLMenu *menuitem= (uiItemLMenu*)item;
uiDefMenuBut(block, menuitem->func, NULL, (char*)item->name, x, y-2, w-3, h+4, "");
}
else if(item->type == ITEM_LABEL) {
/* label */
if(item->icon && item->name)
uiDefIconTextBut(block, LABEL, 0, item->icon, (char*)item->name, x, y, w, h, NULL, 0.0, 0.0, 0, 0, "");
else if(item->icon)
uiDefIconBut(block, LABEL, 0, item->icon, x, y, w, h, NULL, 0.0, 0.0, 0, 0, "");
else if((char*)item->name)
uiDefBut(block, LABEL, 0, (char*)item->name, x, y, w, h, NULL, 0.0, 0.0, 0, 0, "");
}
else {
/* separator */
uiDefBut(block, SEPR, 0, "", x, y, w, h, NULL, 0.0, 0.0, 0, 0, "");
}
}
/* estimated size of text + icon */
static int ui_text_icon_width(char *name, int icon)
{
if(icon && name && strcmp(name, "") == 0)
return EM_UNIT_X; /* icon only */
else if(icon)
return 10*EM_UNIT_X; /* icon + text */
else
return 10*EM_UNIT_X; /* text only */
}
/* estimated size of an item */
static void ui_item_size(uiItem *item, int *r_w, int *r_h)
{
int w, h;
if(item->type == ITEM_RNA_PROPERTY) {
/* RNA property */
uiItemRNA *rnaitem= (uiItemRNA*)item;
PropertyType type;
PropertySubType subtype;
int len;
w= ui_text_icon_width(item->name, item->icon);
h= EM_UNIT_Y;
/* arbitrary extended width by type */
type= RNA_property_type(rnaitem->prop);
subtype= RNA_property_subtype(rnaitem->prop);
len= RNA_property_array_length(rnaitem->prop);
if(type == PROP_STRING)
w += 10*EM_UNIT_X;
/* increase height for arrays */
if(rnaitem->index == RNA_NO_INDEX && len > 0) {
if(item->name && strcmp(item->name, "") == 0 && item->icon == 0)
h= 0;
if(type == PROP_BOOLEAN && len == 20)
h += 2*EM_UNIT_Y;
else if(subtype == PROP_MATRIX)
h += ceil(sqrt(len))*EM_UNIT_Y;
else
h += len*EM_UNIT_Y;
}
}
else {
/* other */
w= ui_text_icon_width(item->name, item->icon);
h= EM_UNIT_Y;
}
if(r_w) *r_w= w;
if(r_h) *r_h= h;
}
static void ui_item_free(uiItem *item)
{
if(item->type == ITEM_OPERATOR) {
uiItemOp *opitem= (uiItemOp*)item;
if(opitem->properties) {
IDP_FreeProperty(opitem->properties);
MEM_freeN(opitem->properties);
}
}
}
/* operator items */
void uiItemFullO(uiLayout *layout, char *name, int icon, char *idname, IDProperty *properties, int context)
{
uiTemplate *template= layout->templates.last;
wmOperatorType *ot= WM_operatortype_find(idname);
uiItemOp *opitem;
if(!template)
return;
if(!ot)
return;
opitem= MEM_callocN(sizeof(uiItemOp), "uiItemOp");
opitem->item.name= name;
opitem->item.icon= icon;
opitem->item.type= ITEM_OPERATOR;
opitem->item.slot= template->slot;
opitem->ot= ot;
opitem->properties= properties;
opitem->context= context;
BLI_addtail(&template->items, opitem);
}
void uiItemEnumO(uiLayout *layout, char *name, int icon, char *opname, char *propname, int value)
{
PointerRNA ptr;
WM_operator_properties_create(&ptr, opname);
RNA_enum_set(&ptr, propname, value);
uiItemFullO(layout, name, icon, opname, ptr.data, layout->opcontext);
}
void uiItemsEnumO(uiLayout *layout, char *opname, char *propname)
{
wmOperatorType *ot= WM_operatortype_find(opname);
PointerRNA ptr;
PropertyRNA *prop;
if(!ot || !ot->srna)
return;
RNA_pointer_create(NULL, ot->srna, NULL, &ptr);
prop= RNA_struct_find_property(&ptr, propname);
if(prop && RNA_property_type(prop) == PROP_ENUM) {
const EnumPropertyItem *item;
int totitem, i;
RNA_property_enum_items(&ptr, prop, &item, &totitem);
for(i=0; i<totitem; i++)
uiItemEnumO(layout, "", 0, opname, propname, item[i].value);
}
}
void uiItemBooleanO(uiLayout *layout, char *name, int icon, char *opname, char *propname, int value)
{
PointerRNA ptr;
WM_operator_properties_create(&ptr, opname);
RNA_boolean_set(&ptr, propname, value);
uiItemFullO(layout, name, icon, opname, ptr.data, layout->opcontext);
}
void uiItemIntO(uiLayout *layout, char *name, int icon, char *opname, char *propname, int value)
{
PointerRNA ptr;
WM_operator_properties_create(&ptr, opname);
RNA_int_set(&ptr, propname, value);
uiItemFullO(layout, name, icon, opname, ptr.data, layout->opcontext);
}
void uiItemFloatO(uiLayout *layout, char *name, int icon, char *opname, char *propname, float value)
{
PointerRNA ptr;
WM_operator_properties_create(&ptr, opname);
RNA_float_set(&ptr, propname, value);
uiItemFullO(layout, name, icon, opname, ptr.data, layout->opcontext);
}
void uiItemStringO(uiLayout *layout, char *name, int icon, char *opname, char *propname, char *value)
{
PointerRNA ptr;
WM_operator_properties_create(&ptr, opname);
RNA_string_set(&ptr, propname, value);
uiItemFullO(layout, name, icon, opname, ptr.data, layout->opcontext);
}
void uiItemO(uiLayout *layout, char *name, int icon, char *opname)
{
uiItemFullO(layout, name, icon, opname, NULL, layout->opcontext);
}
/* RNA property items */
void uiItemFullR(uiLayout *layout, char *name, int icon, PointerRNA *ptr, PropertyRNA *prop, int index, int expand)
{
uiTemplate *template= layout->templates.last;
uiItemRNA *rnaitem;
if(!ptr->data || !prop)
return;
if(!template)
return;
rnaitem= MEM_callocN(sizeof(uiItemRNA), "uiItemRNA");
rnaitem->item.name= name;
rnaitem->item.icon= icon;
rnaitem->item.type= ITEM_RNA_PROPERTY;
rnaitem->item.slot= template->slot;
rnaitem->ptr= *ptr;
rnaitem->prop= prop;
rnaitem->index= index;
rnaitem->expand= expand;
BLI_addtail(&template->items, rnaitem);
}
void uiItemR(uiLayout *layout, char *name, int icon, PointerRNA *ptr, char *propname, int expand)
{
PropertyRNA *prop;
prop= RNA_struct_find_property(ptr, propname);
if(!ptr->data)
return;
if(!prop) {
printf("uiItemR: property not found: %s\n",propname);
return;
}
uiItemFullR(layout, name, icon, ptr, prop, RNA_NO_INDEX, expand);
}
/* menu item */
void uiItemM(uiLayout *layout, char *name, int icon, uiMenuCreateFunc func)
{
uiTemplate *template= layout->templates.last;
uiItemLMenu *menuitem;
if(!template)
return;
menuitem= MEM_callocN(sizeof(uiItemLMenu), "uiItemLMenu");
menuitem->item.name= name;
menuitem->item.icon= icon;
menuitem->item.type= ITEM_MENU;
menuitem->item.slot= template->slot;
menuitem->func= func;
BLI_addtail(&template->items, menuitem);
}
/* label item */
void uiItemL(uiLayout *layout, char *name, int icon)
{
uiTemplate *template= layout->templates.last;
uiItem *item;
if(!template)
return;
item= MEM_callocN(sizeof(uiItem), "uiItem");
item->name= name;
item->icon= icon;
item->type= ITEM_LABEL;
item->slot= template->slot;
BLI_addtail(&template->items, item);
}
/**************************** Template ***************************/
/* single row layout */
static void ui_layout_row(uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiItem *item;
int tot=0, totw= 0, maxh= 0, itemw, itemh, x, w;
/* estimate total width of buttons */
for(item=template->items.first; item; item=item->next) {
ui_item_size(item, &itemw, &itemh);
totw += itemw;
maxh= MAX2(maxh, itemh);
tot++;
}
if(totw == 0)
return;
/* create buttons starting from left */
x= 0;
w= layout->w;
for(item=template->items.first; item; item=item->next) {
ui_item_size(item, &itemw, &itemh);
itemw= ui_item_fit(itemw, x, totw, w, (tot-1)*BUTTON_SPACE_X, !item->next, UI_FIT_EXPAND);
ui_item_buts(block, item, layout->x+x, layout->y-itemh, itemw, itemh);
x += itemw+BUTTON_SPACE_X;
}
layout->y -= maxh;
}
/* multi-column layout */
static void ui_layout_column(uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiItem *item;
int col, totcol= 0, x, y, miny, itemw, itemh, w;
/* compute number of columns */
for(item=template->items.first; item; item=item->next)
totcol= MAX2(item->slot+1, totcol);
if(totcol == 0)
return;
x= 0;
miny= 0;
w= layout->w;
/* create column per column */
for(col=0; col<totcol; col++) {
y= 0;
itemw= ui_item_fit(1, x, totcol, w, (totcol-1)*COLUMN_SPACE, col == totcol-1, UI_FIT_EXPAND);
for(item=template->items.first; item; item=item->next) {
if(item->slot != col)
continue;
ui_item_size(item, NULL, &itemh);
y -= itemh;
ui_item_buts(block, item, layout->x+x, layout->y+y, itemw, itemh);
y -= BUTTON_SPACE_Y;
}
x += itemw + COLUMN_SPACE;
miny= MIN2(miny, y);
}
layout->y += miny;
}
/* multi-column layout, automatically flowing to the next */
static void ui_layout_column_flow(uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiTemplateFlow *flow= (uiTemplateFlow*)template;
uiItem *item;
int col, x, y, w, emh, emy, miny, itemw, itemh, maxw=0;
int toth, totcol, totitem;
/* compute max needed width and total height */
toth= 0;
totitem= 0;
for(item=template->items.first; item; item=item->next) {
ui_item_size(item, &itemw, &itemh);
maxw= MAX2(maxw, itemw);
toth += itemh;
totitem++;
}
if(flow->number <= 0) {
/* auto compute number of columns, not very good */
if(maxw == 0)
return;
totcol= MAX2(layout->emw/maxw, 1);
totcol= MIN2(totcol, totitem);
}
else
totcol= flow->number;
/* compute sizes */
x= 0;
y= 0;
emy= 0;
miny= 0;
w= layout->w;
emh= toth/totcol;
/* create column per column */
col= 0;
for(item=template->items.first; item; item=item->next) {
ui_item_size(item, NULL, &itemh);
itemw= ui_item_fit(1, x, totcol, w, (totcol-1)*COLUMN_SPACE, col == totcol-1, UI_FIT_EXPAND);
y -= itemh;
emy -= itemh;
ui_item_buts(block, item, layout->x+x, layout->y+y, itemw, itemh);
y -= BUTTON_SPACE_Y;
miny= MIN2(miny, y);
/* decide to go to next one */
if(col < totcol-1 && emy <= -emh) {
x += itemw + COLUMN_SPACE;
y= 0;
col++;
}
}
layout->y += miny;
}
#if 0
/* left-right layout, with buttons aligned on both sides */
static void ui_layout_split(uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiItem *item;
int tot=0, totw= 0, maxh= 0, itemw, itemh, lx, rx, w;
/* estimate total width of buttons */
for(item=template->items.first; item; item=item->next) {
ui_item_size(item, &itemw, &itemh);
totw += itemw;
maxh= MAX2(maxh, itemh);
tot++;
}
if(totw == 0)
return;
/* create buttons starting from left and right */
lx= 0;
rx= 0;
w= layout->w - BUTTON_SPACE_X*(tot-1) + BUTTON_SPACE_X;
for(item=template->items.first; item; item=item->next) {
ui_item_size(item, &itemw, &itemh);
if(item->slot == UI_TSLOT_LR_LEFT) {
itemw= ui_item_fit(itemw, lx, totw, w, 0, 0);
ui_item_buts(block, item, layout->x+lx, layout->y-itemh, itemw, itemh);
lx += itemw + BUTTON_SPACE_X;
}
else {
itemw= ui_item_fit(itemw, totw + rx, totw, w, 0, 0);
rx -= itemw + BUTTON_SPACE_X;
ui_item_buts(block, item, layout->x+layout->w+rx, layout->y-itemh, itemw, itemh);
}
}
layout->y -= maxh;
}
#endif
/* split in columns */
static void ui_layout_split(const bContext *C, uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiTemplateSplt *split= (uiTemplateSplt*)template;
uiLayout *sublayout;
int a, x, y, miny, w= layout->w, h= layout->h, splitw;
x= 0;
y= 0;
miny= layout->y;
for(a=0; a<split->number; a++) {
sublayout= split->sublayout[a];
splitw= ui_item_fit(1, x, split->number, w, (split->number-1)*COLUMN_SPACE, a == split->number-1, UI_FIT_EXPAND);
sublayout->x= layout->x + x;
sublayout->w= splitw;
sublayout->y= layout->y;
sublayout->h= h;
sublayout->emw= layout->emw/split->number;
sublayout->emh= layout->emh;
/* do layout for elements in sublayout */
ui_layout_end(C, block, sublayout, NULL, &y);
miny= MIN2(y, miny);
x += splitw + COLUMN_SPACE;
}
layout->y= miny;
}
/* element in a box layout */
static void ui_layout_box(const bContext *C, uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiTemplateBx *box= (uiTemplateBx*)template;
int starty, startx, w= layout->w, h= layout->h;
startx= layout->x;
starty= layout->y;
/* some extra padding */
box->sublayout->x= layout->x + BOX_SPACE;
box->sublayout->w= w - 2*BOX_SPACE;
box->sublayout->y= layout->y - BOX_SPACE;
box->sublayout->h= h;
box->sublayout->emw= layout->emw;
box->sublayout->emh= layout->emh;
/* do layout for elements in sublayout */
ui_layout_end(C, block, box->sublayout, NULL, &layout->y);
/* roundbox around the sublayout */
uiDefBut(block, ROUNDBOX, 0, "", startx, layout->y, w, starty - layout->y, NULL, 7.0, 0.0, 3, 20, "");
}
static void ui_layout_header_buttons(uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiItem *item;
int itemw, itemh;
uiBlockBeginAlign(block);
for(item=template->items.first; item; item=item->next) {
ui_item_size(item, &itemw, &itemh);
ui_item_buts(block, item, layout->x, layout->y, itemw, itemh);
layout->x += itemw;
}
uiBlockEndAlign(block);
}
static void ui_layout_header_menus(const bContext *C, uiLayout *layout, uiBlock *block, uiTemplate *template)
{
ScrArea *sa= CTX_wm_area(C);
layout->x= ED_area_header_standardbuttons(C, block, layout->y);
if((sa->flag & HEADER_NO_PULLDOWN)==0) {
uiBlockSetEmboss(block, UI_EMBOSSP);
ui_layout_header_buttons(layout, block, template);
}
uiBlockSetEmboss(block, UI_EMBOSS);
}
static void ui_layout_header_id(const bContext *C, uiLayout *layout, uiBlock *block, uiTemplate *template)
{
uiTemplateHeadID *idtemplate= (uiTemplateHeadID*)template;
PointerRNA idptr;
idptr= RNA_pointer_get(&idtemplate->ptr, idtemplate->propname);
layout->x= uiDefIDPoinButs(block, CTX_data_main(C), NULL, (ID*)idptr.data, ID_TXT, NULL,
layout->x, layout->y, idtemplate->func,
UI_ID_BROWSE|UI_ID_RENAME|UI_ID_ADD_NEW|UI_ID_OPEN|UI_ID_DELETE);
}
void ui_template_free(uiTemplate *template)
{
uiItem *item;
int a;
if(template->type == TEMPLATE_BOX) {
uiTemplateBx *box= (uiTemplateBx*)template;
ui_layout_free(box->sublayout);
}
if(template->type == TEMPLATE_SPLIT) {
uiTemplateSplt *split= (uiTemplateSplt*)template;
for(a=0; a<split->number; a++)
ui_layout_free(split->sublayout[a]);
MEM_freeN(split->sublayout);
}
for(item=template->items.first; item; item=item->next)
ui_item_free(item);
BLI_freelistN(&template->items);
}
/* template create functions */
void uiLayoutRow(uiLayout *layout)
{
uiTemplate *template;
template= MEM_callocN(sizeof(uiTemplate), "uiTemplate");
template->type= TEMPLATE_ROW;
BLI_addtail(&layout->templates, template);
}
void uiLayoutColumn(uiLayout *layout)
{
uiTemplate *template;
template= MEM_callocN(sizeof(uiTemplate), "uiTemplate");
template->type= TEMPLATE_COLUMN;
BLI_addtail(&layout->templates, template);
}
void uiLayoutColumnFlow(uiLayout *layout, int number)
{
uiTemplateFlow *flow;
flow= MEM_callocN(sizeof(uiTemplateFlow), "uiTemplateFlow");
flow->template.type= TEMPLATE_COLUMN_FLOW;
flow->number= number;
BLI_addtail(&layout->templates, flow);
}
uiLayout *uiLayoutBox(uiLayout *layout)
{
uiTemplateBx *box;
box= MEM_callocN(sizeof(uiTemplateBx), "uiTemplateBx");
box->template.type= TEMPLATE_BOX;
box->sublayout= uiLayoutBegin(layout->dir, 0, 0, 0, 0);
BLI_addtail(&layout->templates, box);
return box->sublayout;
}
void uiLayoutSplit(uiLayout *layout, int number, int lr)
{
uiTemplateSplt *split;
int a;
split= MEM_callocN(sizeof(uiTemplateSplt), "uiTemplateSplt");
split->template.type= TEMPLATE_SPLIT;
split->number= number;
split->lr= lr;
split->sublayout= MEM_callocN(sizeof(uiLayout*)*number, "uiTemplateSpltSub");
for(a=0; a<number; a++)
split->sublayout[a]= uiLayoutBegin(layout->dir, 0, 0, 0, 0);
BLI_addtail(&layout->templates, split);
}
uiLayout *uiLayoutSub(uiLayout *layout, int n)
{
uiTemplate *template= layout->templates.last;
if(template) {
switch(template->type) {
case TEMPLATE_SPLIT:
if(n >= 0 && n < ((uiTemplateSplt*)template)->number)
return ((uiTemplateSplt*)template)->sublayout[n];
break;
case TEMPLATE_BOX:
return ((uiTemplateBx*)template)->sublayout;
break;
default:
break;
}
}
return NULL;
}
void uiTemplateHeaderMenus(uiLayout *layout)
{
uiTemplate *template;
template= MEM_callocN(sizeof(uiTemplate), "uiTemplate");
template->type= TEMPLATE_HEADER_MENUS;
BLI_addtail(&layout->templates, template);
}
void uiTemplateHeaderButtons(uiLayout *layout)
{
uiTemplate *template;
template= MEM_callocN(sizeof(uiTemplate), "uiTemplate");
template->type= TEMPLATE_HEADER_BUTTONS;
BLI_addtail(&layout->templates, template);
}
void uiTemplateHeaderID(uiLayout *layout, PointerRNA *ptr, char *propname, int flag, uiIDPoinFunc func)
{
uiTemplateHeadID *idtemplate;
idtemplate= MEM_callocN(sizeof(uiTemplateHeadID), "uiTemplateHeadID");
idtemplate->template.type= TEMPLATE_HEADER_ID;
idtemplate->ptr= *ptr;
idtemplate->propname= propname;
idtemplate->flag= flag;
idtemplate->func= func;
BLI_addtail(&layout->templates, idtemplate);
}
void uiTemplateSetColor(uiLayout *layout, int color)
{
uiTemplate *template= layout->templates.last;
if(template)
template->color= color;
}
void uiTemplateSlot(uiLayout *layout, int slot)
{
uiTemplate *template= layout->templates.last;
if(template)
template->slot= slot;
}
/********************** Layout *******************/
static void ui_layout_templates(const bContext *C, uiBlock *block, uiLayout *layout)
{
uiTemplate *template;
if(layout->dir == UI_LAYOUT_HORIZONTAL) {
for(template=layout->templates.first; template; template=template->next) {
switch(template->type) {
case TEMPLATE_HEADER_MENUS:
ui_layout_header_menus(C, layout, block, template);
break;
case TEMPLATE_HEADER_ID:
ui_layout_header_id(C, layout, block, template);
break;
case TEMPLATE_HEADER_BUTTONS:
default:
ui_layout_header_buttons(layout, block, template);
break;
}
}
layout->x += TEMPLATE_SPACE;
}
else {
for(template=layout->templates.first; template; template=template->next) {
if(template->color) {
// XXX oldcolor= uiBlockGetCol(block);
// XXX uiBlockSetCol(block, template->color);
}
switch(template->type) {
case TEMPLATE_ROW:
ui_layout_row(layout, block, template);
break;
case TEMPLATE_COLUMN_FLOW:
ui_layout_column_flow(layout, block, template);
break;
case TEMPLATE_SPLIT:
ui_layout_split(C, layout, block, template);
break;
case TEMPLATE_BOX:
ui_layout_box(C, layout, block, template);
break;
case TEMPLATE_COLUMN:
default:
ui_layout_column(layout, block, template);
break;
}
// XXX if(template->color)
// XXX uiBlockSetCol(block, oldcolor);
layout->y -= TEMPLATE_SPACE;
}
}
}
void ui_layout_end(const bContext *C, uiBlock *block, uiLayout *layout, int *x, int *y)
{
ui_layout_templates(C, block, layout);
if(x) *x= layout->x;
if(y) *y= layout->y;
}
void ui_layout_free(uiLayout *layout)
{
uiTemplate *template;
for(template=layout->templates.first; template; template=template->next)
ui_template_free(template);
BLI_freelistN(&layout->templates);
MEM_freeN(layout);
}
uiLayout *uiLayoutBegin(int dir, int x, int y, int size, int em)
{
uiLayout *layout;
layout= MEM_callocN(sizeof(uiLayout), "uiLayout");
layout->opcontext= WM_OP_INVOKE_REGION_WIN;
layout->dir= dir;
layout->x= x;
layout->y= y;
if(dir == UI_LAYOUT_HORIZONTAL) {
layout->h= size;
layout->emh= em*EM_UNIT_Y;
}
else {
layout->w= size;
layout->emw= em*EM_UNIT_X;
}
return layout;
}
void uiLayoutContext(uiLayout *layout, int opcontext)
{
layout->opcontext= opcontext;
}
void uiLayoutEnd(const bContext *C, uiBlock *block, uiLayout *layout, int *x, int *y)
{
ui_layout_end(C, block, layout, x, y);
ui_layout_free(layout);
}
/************************ Utilities ************************/
void uiRegionPanelLayout(const bContext *C, ARegion *ar, int vertical, char *context)
{
uiBlock *block;
PanelType *pt;
Panel *panel;
float col[3];
int xco, yco, x=PNL_DIST, y=-PNL_HEADER-PNL_DIST, w, em;
// XXX this only hides cruft
/* clear */
UI_GetThemeColor3fv(TH_HEADER, col);
glClearColor(col[0], col[1], col[2], 0.0);
glClear(GL_COLOR_BUFFER_BIT);
/* set view2d view matrix for scrolling (without scrollers) */
UI_view2d_view_ortho(C, &ar->v2d);
uiBeginPanels(C, ar);
for(pt= ar->type->paneltypes.first; pt; pt= pt->next) {
if(context)
if(!pt->context || strcmp(context, pt->context) != 0)
continue;
if(pt->draw && (!pt->poll || pt->poll(C, pt))) {
block= uiBeginBlock(C, ar, pt->idname, UI_EMBOSS);
panel= uiBeginPanel(ar, block, pt);
if(panel) {
if(vertical) {
w= (ar->type->minsizex)? ar->type->minsizex-12: block->aspect*ar->winx-12;
em= (ar->type->minsizex)? 10: 20;
}
else {
w= (ar->type->minsizex)? ar->type->minsizex-12: UI_PANEL_WIDTH-12;
em= (ar->type->minsizex)? 10: 20;
}
panel->type= pt;
panel->layout= uiLayoutBegin(UI_LAYOUT_VERTICAL, PNL_SAFETY, 0, w-2*PNL_SAFETY, em);
pt->draw(C, panel);
uiLayoutEnd(C, block, panel->layout, &xco, &yco);
panel->layout= NULL;
uiEndPanel(block, w, -yco + 12);
}
else {
w= PNL_HEADER;
yco= PNL_HEADER;
}
uiEndBlock(C, block);
if(vertical)
y += yco+PNL_DIST;
else
x += w+PNL_DIST;
}
}
uiEndPanels(C, ar);
/* restore view matrix? */
UI_view2d_view_restore(C);
}
void uiRegionHeaderLayout(const bContext *C, ARegion *ar)
{
uiBlock *block;
uiLayout *layout;
HeaderType *ht;
Header header = {0};
float col[3];
int xco, yco;
// XXX this only hides cruft
/* clear */
if(ED_screen_area_active(C))
UI_GetThemeColor3fv(TH_HEADER, col);
else
UI_GetThemeColor3fv(TH_HEADERDESEL, col);
glClearColor(col[0], col[1], col[2], 0.0);
glClear(GL_COLOR_BUFFER_BIT);
/* set view2d view matrix for scrolling (without scrollers) */
UI_view2d_view_ortho(C, &ar->v2d);
xco= 8;
yco= 3;
/* draw all headers types */
for(ht= ar->type->headertypes.first; ht; ht= ht->next) {
block= uiBeginBlock(C, ar, "header buttons", UI_EMBOSS);
layout= uiLayoutBegin(UI_LAYOUT_HORIZONTAL, xco, yco, 24, 1);
if(ht->draw) {
header.type= ht;
header.layout= layout;
ht->draw(C, &header);
}
uiLayoutEnd(C, block, layout, &xco, &yco);
uiEndBlock(C, block);
uiDrawBlock(C, block);
}
/* always as last */
UI_view2d_totRect_set(&ar->v2d, xco+XIC+80, ar->v2d.tot.ymax-ar->v2d.tot.ymin);
/* restore view matrix? */
UI_view2d_view_restore(C);
}