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virtualx-engine/scene/gui/tree.cpp
eska 31f929caa2 Clarify a NULL comparison 
'TreeItem::get_children()' does not return the child count, but rather
a pointer to the children.

This comparison caused an error during WebAssembly builds using the
LLVM backend path.
2016-11-13 15:27:17 +01:00

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/*************************************************************************/
/* tree.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "tree.h"
#include "print_string.h"
#include "os/os.h"
#include "os/keyboard.h"
#include "globals.h"
#include "os/input.h"
#include "scene/main/viewport.h"
void TreeItem::move_to_top() {
if (!parent || parent->childs==this)
return; //already on top
TreeItem *prev = get_prev();
prev->next=next;
next=parent->childs;
parent->childs=this;
}
void TreeItem::move_to_bottom() {
if (!parent || !next)
return;
while(next) {
if (parent->childs==this)
parent->childs=next;
TreeItem *n=next;
next=n->next;
n->next=this;
}
}
Size2 TreeItem::Cell::get_icon_size() const {
if (icon.is_null())
return Size2();
if (icon_region==Rect2i())
return icon->get_size();
else
return icon_region.size;
}
void TreeItem::Cell::draw_icon(const RID& p_where, const Point2& p_pos, const Size2& p_size) const{
if (icon.is_null())
return;
Size2i dsize=(p_size==Size2()) ? icon->get_size() : p_size;
if (icon_region==Rect2i()) {
icon->draw_rect_region(p_where,Rect2(p_pos,dsize),Rect2(Point2(),icon->get_size()));
} else {
icon->draw_rect_region(p_where,Rect2(p_pos,dsize),icon_region);
}
}
void TreeItem::_changed_notify(int p_cell) {
tree->item_changed(p_cell,this);
}
void TreeItem::_changed_notify() {
tree->item_changed(-1,this);
}
void TreeItem::_cell_selected(int p_cell) {
tree->item_selected(p_cell,this);
}
void TreeItem::_cell_deselected(int p_cell) {
tree->item_deselected(p_cell,this);
}
/* cell mode */
void TreeItem::set_cell_mode( int p_column, TreeCellMode p_mode ) {
ERR_FAIL_INDEX( p_column, cells.size() );
Cell&c=cells[p_column];
c.mode=p_mode;
c.min=0;
c.max=100;
c.step=1;
c.val=0;
c.checked=false;
c.icon=Ref<Texture>();
c.text="";
c.icon_max_w=0;
_changed_notify(p_column);
}
TreeItem::TreeCellMode TreeItem::get_cell_mode( int p_column ) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), TreeItem::CELL_MODE_STRING );
return cells[p_column].mode;
}
/* check mode */
void TreeItem::set_checked(int p_column,bool p_checked) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].checked=p_checked;
_changed_notify(p_column);
}
bool TreeItem::is_checked(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), false );
return cells[p_column].checked;
}
void TreeItem::set_text(int p_column,String p_text) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].text=p_text;
if (cells[p_column].mode==TreeItem::CELL_MODE_RANGE || cells[p_column].mode==TreeItem::CELL_MODE_RANGE_EXPRESSION) {
cells[p_column].min=0;
cells[p_column].max=p_text.get_slice_count(",");
cells[p_column].step=0;
}
_changed_notify(p_column);
}
String TreeItem::get_text(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), "" );
return cells[p_column].text;
}
void TreeItem::set_suffix(int p_column,String p_suffix) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].suffix=p_suffix;
_changed_notify(p_column);
}
String TreeItem::get_suffix(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), "" );
return cells[p_column].suffix;
}
void TreeItem::set_icon(int p_column,const Ref<Texture>& p_icon) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].icon=p_icon;
_changed_notify(p_column);
}
Ref<Texture> TreeItem::get_icon(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), Ref<Texture>() );
return cells[p_column].icon;
}
void TreeItem::set_icon_region(int p_column,const Rect2& p_icon_region) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].icon_region=p_icon_region;
_changed_notify(p_column);
}
Rect2 TreeItem::get_icon_region(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), Rect2() );
return cells[p_column].icon_region;
}
void TreeItem::set_icon_max_width(int p_column,int p_max) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].icon_max_w=p_max;
_changed_notify(p_column);
}
int TreeItem::get_icon_max_width(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), 0);
return cells[p_column].icon_max_w;
}
/* range works for mode number or mode combo */
void TreeItem::set_range(int p_column,double p_value) {
ERR_FAIL_INDEX( p_column, cells.size() );
if (cells[p_column].step>0)
p_value=Math::stepify( p_value, cells[p_column].step );
if (p_value<cells[p_column].min)
p_value=cells[p_column].min;
if (p_value>cells[p_column].max)
p_value=cells[p_column].max;
cells[p_column].val=p_value;
_changed_notify(p_column);
}
double TreeItem::get_range(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), 0 );
return cells[p_column].val;
}
bool TreeItem::is_range_exponential(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), false);
return cells[p_column].expr;
}
void TreeItem::set_range_config(int p_column,double p_min,double p_max,double p_step,bool p_exp) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].min=p_min;
cells[p_column].max=p_max;
cells[p_column].step=p_step;
cells[p_column].expr=p_exp;
_changed_notify(p_column);
}
void TreeItem::get_range_config(int p_column,double& r_min,double& r_max,double &r_step) const {
ERR_FAIL_INDEX( p_column, cells.size() );
r_min=cells[p_column].min;
r_max=cells[p_column].max;
r_step=cells[p_column].step;
}
void TreeItem::set_metadata(int p_column,const Variant& p_meta) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].meta=p_meta;
}
Variant TreeItem::get_metadata(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), Variant() );
return cells[p_column].meta;
}
void TreeItem::set_custom_draw(int p_column,Object *p_object,const StringName& p_callback) {
ERR_FAIL_INDEX( p_column, cells.size() );
ERR_FAIL_NULL(p_object);
cells[p_column].custom_draw_obj=p_object->get_instance_ID();
cells[p_column].custom_draw_callback=p_callback;
}
void TreeItem::set_collapsed(bool p_collapsed) {
if (collapsed==p_collapsed)
return;
collapsed=p_collapsed;
TreeItem *ci = tree->selected_item;
if (ci) {
while (ci && ci!=this) {
ci=ci->parent;
}
if (ci) { // collapsing cursor/selectd, move it!
if (tree->select_mode==Tree::SELECT_MULTI) {
tree->selected_item=this;
emit_signal("cell_selected");
} else {
select(tree->selected_col);
}
tree->update();
}
}
_changed_notify();
if (tree)
tree->emit_signal("item_collapsed",this);
}
bool TreeItem::is_collapsed() {
return collapsed;
}
TreeItem *TreeItem::get_next() {
return next;
}
TreeItem *TreeItem::get_prev() {
if (!parent || parent->childs==this)
return NULL;
TreeItem *prev = parent->childs;
while(prev && prev->next!=this)
prev=prev->next;
return prev;
}
TreeItem *TreeItem::get_parent() {
return parent;
}
TreeItem *TreeItem::get_children() {
return childs;
}
TreeItem *TreeItem::get_prev_visible() {
TreeItem *current=this;
TreeItem *prev = current->get_prev();
if (!prev) {
current=current->parent;
if (!current || (current==tree->root && tree->hide_root))
return NULL;
} else {
current=prev;
while( !current->collapsed && current->childs ) {
//go to the very end
current = current->childs;
while (current->next)
current=current->next;
}
}
return current;
}
TreeItem *TreeItem::get_next_visible() {
TreeItem *current=this;
if (!current->collapsed && current->childs) {
current=current->childs;
} else if (current->next) {
current=current->next;
} else {
while(current && !current->next) {
current=current->parent;
}
if (current==NULL)
return NULL;
else
current=current->next;
}
return current;
}
void TreeItem::remove_child(TreeItem *p_item) {
ERR_FAIL_NULL(p_item);
TreeItem **c=&childs;
while (*c) {
if ( (*c) == p_item ) {
TreeItem *aux = *c;
*c=(*c)->next;
aux->parent = NULL;
return;
}
c=&(*c)->next;
}
ERR_FAIL();
}
void TreeItem::set_selectable(int p_column,bool p_selectable) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].selectable=p_selectable;
}
bool TreeItem::is_selectable(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), false );
return cells[p_column].selectable;
}
bool TreeItem::is_selected(int p_column) {
ERR_FAIL_INDEX_V( p_column, cells.size(), false );
return cells[p_column].selectable && cells[p_column].selected;
}
void TreeItem::set_as_cursor(int p_column) {
ERR_FAIL_INDEX( p_column, cells.size() );
if (!tree)
return;
if (tree->select_mode!=Tree::SELECT_MULTI)
return;
tree->selected_item=this;
tree->selected_col=p_column;
tree->update();
}
void TreeItem::select(int p_column) {
ERR_FAIL_INDEX( p_column, cells.size() );
_cell_selected(p_column);
}
void TreeItem::deselect(int p_column) {
ERR_FAIL_INDEX( p_column, cells.size() );
_cell_deselected(p_column);
}
void TreeItem::add_button(int p_column, const Ref<Texture>& p_button, int p_id, bool p_disabled) {
ERR_FAIL_INDEX( p_column, cells.size() );
ERR_FAIL_COND(!p_button.is_valid());
TreeItem::Cell::Button button;
button.texture=p_button;
if (p_id<0)
p_id=cells[p_column].buttons.size();
button.id=p_id;
button.disabled=p_disabled;
cells[p_column].buttons.push_back(button);
_changed_notify(p_column);
}
int TreeItem::get_button_count(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), -1 );
return cells[p_column].buttons.size();
}
Ref<Texture> TreeItem::get_button(int p_column,int p_idx) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), Ref<Texture>() );
ERR_FAIL_INDEX_V( p_idx, cells[p_column].buttons.size(), Ref<Texture>() );
return cells[p_column].buttons[p_idx].texture;
}
int TreeItem::get_button_id(int p_column,int p_idx) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), -1 );
ERR_FAIL_INDEX_V( p_idx, cells[p_column].buttons.size(), -1 );
return cells[p_column].buttons[p_idx].id;
}
void TreeItem::erase_button(int p_column,int p_idx) {
ERR_FAIL_INDEX( p_column, cells.size() );
ERR_FAIL_INDEX( p_idx, cells[p_column].buttons.size() );
cells[p_column].buttons.remove(p_idx);
_changed_notify(p_column);
}
int TreeItem::get_button_by_id(int p_column,int p_id) const {
ERR_FAIL_INDEX_V( p_column, cells.size(),-1 );
for(int i=0;i<cells[p_column].buttons.size();i++) {
if (cells[p_column].buttons[i].id==p_id)
return i;
}
return -1;
}
bool TreeItem::is_button_disabled(int p_column, int p_idx) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), false );
ERR_FAIL_INDEX_V( p_idx, cells[p_column].buttons.size(), false );
return cells[p_column].buttons[p_idx].disabled;
}
void TreeItem::set_button(int p_column,int p_idx,const Ref<Texture>& p_button){
ERR_FAIL_COND( p_button.is_null() );
ERR_FAIL_INDEX( p_column, cells.size() );
ERR_FAIL_INDEX( p_idx, cells[p_column].buttons.size() );
cells[p_column].buttons[p_idx].texture=p_button;
_changed_notify(p_column);
}
void TreeItem::set_editable(int p_column,bool p_editable) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].editable=p_editable;
_changed_notify(p_column);
}
bool TreeItem::is_editable(int p_column) {
ERR_FAIL_INDEX_V( p_column, cells.size(), false );
return cells[p_column].editable;
}
void TreeItem::set_custom_color(int p_column,const Color& p_color) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].custom_color=true;
cells[p_column].color=p_color;
_changed_notify(p_column);
}
Color TreeItem::get_custom_color(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), Color() );
if (!cells[p_column].custom_color)
return Color();
return cells[p_column].color;
}
void TreeItem::clear_custom_color(int p_column) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].custom_color=false;
cells[p_column].color=Color();;
_changed_notify(p_column);
}
void TreeItem::set_tooltip(int p_column, const String& p_tooltip) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].tooltip=p_tooltip;
}
String TreeItem::get_tooltip(int p_column) const{
ERR_FAIL_INDEX_V( p_column, cells.size(), "" );
return cells[p_column].tooltip;
}
void TreeItem::set_custom_bg_color(int p_column,const Color& p_color,bool p_bg_outline) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].custom_bg_color=true;
cells[p_column].custom_bg_outline=p_bg_outline;
cells[p_column].bg_color=p_color;
_changed_notify(p_column);
}
void TreeItem::clear_custom_bg_color(int p_column) {
ERR_FAIL_INDEX( p_column, cells.size() );
cells[p_column].custom_bg_color=false;
cells[p_column].bg_color=Color();;
_changed_notify(p_column);
}
Color TreeItem::get_custom_bg_color(int p_column) const {
ERR_FAIL_INDEX_V( p_column, cells.size(), Color() );
if (!cells[p_column].custom_bg_color)
return Color();
return cells[p_column].bg_color;
}
void TreeItem::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_cell_mode","column","mode"),&TreeItem::set_cell_mode);
ObjectTypeDB::bind_method(_MD("get_cell_mode","column"),&TreeItem::get_cell_mode);
ObjectTypeDB::bind_method(_MD("set_checked","column","checked"),&TreeItem::set_checked);
ObjectTypeDB::bind_method(_MD("is_checked","column"),&TreeItem::is_checked);
ObjectTypeDB::bind_method(_MD("set_text","column","text"),&TreeItem::set_text);
ObjectTypeDB::bind_method(_MD("get_text","column"),&TreeItem::get_text);
ObjectTypeDB::bind_method(_MD("set_icon","column","texture:Texture"),&TreeItem::set_icon);
ObjectTypeDB::bind_method(_MD("get_icon:Texture","column"),&TreeItem::get_icon);
ObjectTypeDB::bind_method(_MD("set_icon_region","column","region"),&TreeItem::set_icon_region);
ObjectTypeDB::bind_method(_MD("get_icon_region","column"),&TreeItem::get_icon_region);
ObjectTypeDB::bind_method(_MD("set_icon_max_width","column","width"),&TreeItem::set_icon_max_width);
ObjectTypeDB::bind_method(_MD("get_icon_max_width","column"),&TreeItem::get_icon_max_width);
ObjectTypeDB::bind_method(_MD("set_range","column","value"),&TreeItem::set_range);
ObjectTypeDB::bind_method(_MD("get_range","column"),&TreeItem::get_range);
ObjectTypeDB::bind_method(_MD("set_range_config","column","min","max","step","expr"),&TreeItem::set_range_config,DEFVAL(false));
ObjectTypeDB::bind_method(_MD("get_range_config","column"),&TreeItem::_get_range_config);
ObjectTypeDB::bind_method(_MD("set_metadata","column","meta"),&TreeItem::set_metadata);
ObjectTypeDB::bind_method(_MD("get_metadata","column"),&TreeItem::get_metadata);
ObjectTypeDB::bind_method(_MD("set_custom_draw","column","object","callback"),&TreeItem::set_custom_draw);
ObjectTypeDB::bind_method(_MD("set_collapsed","enable"),&TreeItem::set_collapsed);
ObjectTypeDB::bind_method(_MD("is_collapsed"),&TreeItem::is_collapsed);
ObjectTypeDB::bind_method(_MD("get_next:TreeItem"),&TreeItem::get_next);
ObjectTypeDB::bind_method(_MD("get_prev:TreeItem"),&TreeItem::get_prev);
ObjectTypeDB::bind_method(_MD("get_parent:TreeItem"),&TreeItem::get_parent);
ObjectTypeDB::bind_method(_MD("get_children:TreeItem"),&TreeItem::get_children);
ObjectTypeDB::bind_method(_MD("get_next_visible:TreeItem"),&TreeItem::get_next_visible);
ObjectTypeDB::bind_method(_MD("get_prev_visible:TreeItem"),&TreeItem::get_prev_visible);
ObjectTypeDB::bind_method(_MD("remove_child:TreeItem","child"),&TreeItem::_remove_child);
ObjectTypeDB::bind_method(_MD("set_selectable","column","selectable"),&TreeItem::set_selectable);
ObjectTypeDB::bind_method(_MD("is_selectable","column"),&TreeItem::is_selectable);
ObjectTypeDB::bind_method(_MD("is_selected","column"),&TreeItem::is_selected);
ObjectTypeDB::bind_method(_MD("select","column"),&TreeItem::select);
ObjectTypeDB::bind_method(_MD("deselect","column"),&TreeItem::deselect);
ObjectTypeDB::bind_method(_MD("set_editable","column","enabled"),&TreeItem::set_editable);
ObjectTypeDB::bind_method(_MD("is_editable","column"),&TreeItem::is_editable);
ObjectTypeDB::bind_method(_MD("set_custom_color","column","color"),&TreeItem::set_custom_color);
ObjectTypeDB::bind_method(_MD("clear_custom_color","column"),&TreeItem::clear_custom_color);
ObjectTypeDB::bind_method(_MD("set_custom_bg_color","column","color","just_outline"),&TreeItem::set_custom_bg_color,DEFVAL(false));
ObjectTypeDB::bind_method(_MD("clear_custom_bg_color","column"),&TreeItem::clear_custom_bg_color);
ObjectTypeDB::bind_method(_MD("get_custom_bg_color","column"),&TreeItem::get_custom_bg_color);
ObjectTypeDB::bind_method(_MD("add_button","column","button:Texture","button_idx","disabled"),&TreeItem::add_button,DEFVAL(-1),DEFVAL(false));
ObjectTypeDB::bind_method(_MD("get_button_count","column"),&TreeItem::get_button_count);
ObjectTypeDB::bind_method(_MD("get_button:Texture","column","button_idx"),&TreeItem::get_button);
ObjectTypeDB::bind_method(_MD("set_button","column","button_idx","button:Texture"),&TreeItem::set_button);
ObjectTypeDB::bind_method(_MD("erase_button","column","button_idx"),&TreeItem::erase_button);
ObjectTypeDB::bind_method(_MD("is_button_disabled","column","button_idx"),&TreeItem::is_button_disabled);
ObjectTypeDB::bind_method(_MD("set_tooltip","column","tooltip"),&TreeItem::set_tooltip);
ObjectTypeDB::bind_method(_MD("get_tooltip","column"),&TreeItem::get_tooltip);
ObjectTypeDB::bind_method(_MD("move_to_top"),&TreeItem::move_to_top);
ObjectTypeDB::bind_method(_MD("move_to_bottom"),&TreeItem::move_to_bottom);
BIND_CONSTANT( CELL_MODE_STRING );
BIND_CONSTANT( CELL_MODE_CHECK );
BIND_CONSTANT( CELL_MODE_RANGE );
BIND_CONSTANT( CELL_MODE_RANGE_EXPRESSION );
BIND_CONSTANT( CELL_MODE_ICON );
BIND_CONSTANT( CELL_MODE_CUSTOM );
}
void TreeItem::clear_children() {
TreeItem *c=childs;
while (c) {
TreeItem *aux=c;
c=c->get_next();
aux->parent=0; // so it wont try to recursively autoremove from me in here
memdelete( aux );
}
childs = 0;
};
TreeItem::TreeItem(Tree *p_tree) {
tree=p_tree;
collapsed=false;
parent=0; // parent item
next=0; // next in list
childs=0; //child items
}
TreeItem::~TreeItem() {
clear_children();
if (parent)
parent->remove_child(this);
if (tree && tree->root==this) {
tree->root=0;
}
if (tree && tree->popup_edited_item==this) {
tree->popup_edited_item=NULL;
tree->pressing_for_editor=false;
}
if (tree && tree->selected_item==this)
tree->selected_item=NULL;
if (tree && tree->drop_mode_over==this)
tree->drop_mode_over=NULL;
if (tree && tree->single_select_defer==this)
tree->single_select_defer=NULL;
if (tree && tree->edited_item==this) {
tree->edited_item=NULL;
tree->pressing_for_editor=false;
}
}
/**********************************************/
/**********************************************/
/**********************************************/
/**********************************************/
/**********************************************/
/**********************************************/
void Tree::update_cache() {
cache.font = get_font("font");
cache.tb_font = get_font("title_button_font");
cache.bg = get_stylebox("bg");
cache.selected= get_stylebox("selected");
cache.selected_focus= get_stylebox("selected_focus");
cache.cursor = get_stylebox("cursor");
cache.cursor_unfocus = get_stylebox("cursor_unfocused");
cache.button_pressed= get_stylebox("button_pressed");
cache.checked=get_icon("checked");
cache.unchecked=get_icon("unchecked");
cache.arrow_collapsed=get_icon("arrow_collapsed");
cache.arrow =get_icon("arrow");
cache.select_arrow =get_icon("select_arrow");
cache.updown=get_icon("updown");
cache.font_color=get_color("font_color");
cache.font_color_selected=get_color("font_color_selected");
cache.guide_color=get_color("guide_color");
cache.drop_position_color=get_color("drop_position_color");
cache.hseparation=get_constant("hseparation");
cache.vseparation=get_constant("vseparation");
cache.item_margin=get_constant("item_margin");
cache.button_margin=get_constant("button_margin");
cache.guide_width=get_constant("guide_width");
cache.draw_relationship_lines=get_constant("draw_relationship_lines");
cache.relationship_line_color=get_color("relationship_line_color");
cache.scroll_border=get_constant("scroll_border");
cache.scroll_speed=get_constant("scroll_speed");
cache.title_button = get_stylebox("title_button_normal");
cache.title_button_pressed = get_stylebox("title_button_pressed");
cache.title_button_hover = get_stylebox("title_button_hover");
cache.title_button_color = get_color("title_button_color");
v_scroll->set_custom_step(cache.font->get_height());
}
int Tree::compute_item_height(TreeItem *p_item) const {
if (p_item==root && hide_root)
return 0;
int height=cache.font->get_height();
for (int i=0;i<columns.size();i++) {
for(int j=0;j<p_item->cells[i].buttons.size();j++) {
Size2i s;// = cache.button_pressed->get_minimum_size();
s+= p_item->cells[i].buttons[j].texture->get_size();
if (s.height>height)
height=s.height;
}
switch(p_item->cells[i].mode) {
case TreeItem::CELL_MODE_CHECK: {
int check_icon_h = cache.checked->get_height();
if (height<check_icon_h)
height=check_icon_h;
}
case TreeItem::CELL_MODE_STRING:
case TreeItem::CELL_MODE_CUSTOM:
case TreeItem::CELL_MODE_ICON: {
Ref<Texture> icon = p_item->cells[i].icon;
if (!icon.is_null()) {
Size2i s = p_item->cells[i].get_icon_size();
if (p_item->cells[i].icon_max_w>0 && s.width > p_item->cells[i].icon_max_w ) {
s.height=s.height * p_item->cells[i].icon_max_w / s.width;
}
if (s.height > height )
height=s.height;
}
} break;
default: {}
}
}
height += cache.vseparation;
return height;
}
int Tree::get_item_height(TreeItem *p_item) const {
int height=compute_item_height(p_item);
height+=cache.vseparation;
if (!p_item->collapsed) { /* if not collapsed, check the childs */
TreeItem *c=p_item->childs;
while (c) {
height += get_item_height( c );
c=c->next;
}
}
return height;
}
void Tree::draw_item_rect(const TreeItem::Cell& p_cell,const Rect2i& p_rect,const Color& p_color) {
Rect2i rect=p_rect;
RID ci = get_canvas_item();
if (!p_cell.icon.is_null()) {
Size2i bmsize = p_cell.get_icon_size();
if (p_cell.icon_max_w>0 && bmsize.width > p_cell.icon_max_w) {
bmsize.height = bmsize.height * p_cell.icon_max_w / bmsize.width;
bmsize.width=p_cell.icon_max_w;
}
p_cell.draw_icon(ci,rect.pos + Size2i(0,Math::floor((rect.size.y-bmsize.y)/2)),bmsize);
rect.pos.x+=bmsize.x+cache.hseparation;
rect.size.x-=bmsize.x+cache.hseparation;
}
// if (p_tool)
// rect.size.x-=Math::floor(rect.size.y/2);
Ref<Font> font = cache.font;
String text = p_cell.text;
if (p_cell.suffix!=String())
text+=" "+p_cell.suffix;
rect.pos.y+=Math::floor((rect.size.y-font->get_height())/2.0) +font->get_ascent();
font->draw(ci,rect.pos,text,p_color,rect.size.x);
}
#if 0
void Tree::draw_item_text(String p_text,const Ref<Texture>& p_icon,int p_icon_max_w,bool p_tool,Rect2i p_rect,const Color& p_color) {
RID ci = get_canvas_item();
if (!p_icon.is_null()) {
Size2i bmsize = p_icon->get_size();
if (p_icon_max_w>0 && bmsize.width > p_icon_max_w) {
bmsize.height = bmsize.height * p_icon_max_w / bmsize.width;
bmsize.width=p_icon_max_w;
}
draw_texture_rect(p_icon,Rect2(p_rect.pos + Size2i(0,Math::floor((p_rect.size.y-bmsize.y)/2)),bmsize));
p_rect.pos.x+=bmsize.x+cache.hseparation;
p_rect.size.x-=bmsize.x+cache.hseparation;
}
if (p_tool)
p_rect.size.x-=Math::floor(p_rect.size.y/2);
Ref<Font> font = cache.font;
p_rect.pos.y+=Math::floor((p_rect.size.y-font->get_height())/2.0) +font->get_ascent();
font->draw(ci,p_rect.pos,p_text,p_color,p_rect.size.x);
}
#endif
int Tree::draw_item(const Point2i& p_pos,const Point2& p_draw_ofs, const Size2& p_draw_size,TreeItem *p_item) {
if (p_pos.y-cache.offset.y > (p_draw_size.height))
return -1; //draw no more!
RID ci = get_canvas_item();
int htotal=0;
int label_h=compute_item_height( p_item );
/* Calculate height of the label part */
label_h+=cache.vseparation;
/* Draw label, if height fits */
bool skip=(p_item==root && hide_root);
if (!skip && (p_pos.y+label_h-cache.offset.y)>0) {
if (!hide_folding && p_item->childs) { //has childs, draw the guide box
Ref<Texture> arrow;
if (p_item->collapsed) {
arrow=cache.arrow_collapsed;
} else {
arrow=cache.arrow;
}
arrow->draw( ci , p_pos+p_draw_ofs+Point2i(0,(label_h-arrow->get_height())/2)-cache.offset);
}
//draw separation.
// if (p_item->get_parent()!=root || !hide_root)
Ref<Font> font = cache.font;
int font_ascent=font->get_ascent();
int ofs = p_pos.x + (hide_folding?cache.hseparation:cache.item_margin);
for (int i=0;i<columns.size();i++) {
int w = get_column_width(i);
if (i==0) {
w-=ofs;
if (w<=0) {
ofs=get_column_width(0);
continue;
}
} else {
ofs+=cache.hseparation;
w-=cache.hseparation;
}
int bw=0;
for(int j=p_item->cells[i].buttons.size()-1;j>=0;j--) {
Ref<Texture> b=p_item->cells[i].buttons[j].texture;
Size2 s = b->get_size() + cache.button_pressed->get_minimum_size();
Point2i o = Point2i( ofs+w-s.width, p_pos.y )-cache.offset+p_draw_ofs;
if (cache.click_type==Cache::CLICK_BUTTON && cache.click_item==p_item && cache.click_column==i && cache.click_index==j && !p_item->cells[i].buttons[j].disabled) {
//being pressed
cache.button_pressed->draw(get_canvas_item(),Rect2(o,s));
}
o.y+=(label_h-s.height)/2;
o+=cache.button_pressed->get_offset();
b->draw(ci,o,p_item->cells[i].buttons[j].disabled?Color(1,1,1,0.5):Color(1,1,1,1));
w-=s.width+cache.button_margin;
bw+=s.width+cache.button_margin;
}
Rect2i item_rect = Rect2i( Point2i( ofs, p_pos.y )-cache.offset+p_draw_ofs, Size2i( w, label_h ));
Rect2i cell_rect=item_rect;
if (i!=0) {
cell_rect.pos.x-=cache.hseparation;
cell_rect.size.x+=cache.hseparation;
}
VisualServer::get_singleton()->canvas_item_add_line(ci,Point2i(cell_rect.pos.x,cell_rect.pos.y+cell_rect.size.height),cell_rect.pos+cell_rect.size,cache.guide_color,1);
if (i==0) {
if (p_item->cells[0].selected && select_mode==SELECT_ROW) {
Rect2i row_rect = Rect2i( Point2i( cache.bg->get_margin(MARGIN_LEFT), item_rect.pos.y), Size2i( get_size().width-cache.bg->get_minimum_size().width, item_rect.size.y ));
//Rect2 r = Rect2i(row_rect.pos,row_rect.size);
//r.grow(cache.selected->get_margin(MARGIN_LEFT));
if (has_focus())
cache.selected_focus->draw(ci,row_rect );
else
cache.selected->draw(ci,row_rect );
}
}
if (p_item->cells[i].selected && select_mode!=SELECT_ROW) {
Rect2i r(item_rect.pos,item_rect.size);
if (p_item->cells[i].text.size() > 0){
float icon_width = p_item->cells[i].get_icon_size().width;
r.pos.x += icon_width;
r.size.x -= icon_width;
}
//r.grow(cache.selected->get_margin(MARGIN_LEFT));
if (has_focus()){
cache.selected_focus->draw(ci,r );
p_item->set_meta("__focus_rect", Rect2(r.pos,r.size));
} else {
cache.selected->draw(ci,r );
}
if (text_editor->is_visible()){
text_editor->set_pos(get_global_pos() + r.pos);
}
}
if (p_item->cells[i].custom_bg_color) {
Rect2 r=cell_rect;
r.pos.x-=cache.hseparation;
r.size.x+=cache.hseparation;
if (p_item->cells[i].custom_bg_outline) {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x,r.pos.y,r.size.x,1),p_item->cells[i].bg_color);
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x,r.pos.y+r.size.y-1,r.size.x,1),p_item->cells[i].bg_color);
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x,r.pos.y,1,r.size.y),p_item->cells[i].bg_color);
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x+r.size.x-1,r.pos.y,1,r.size.y),p_item->cells[i].bg_color);
} else {
VisualServer::get_singleton()->canvas_item_add_rect(ci,r,p_item->cells[i].bg_color);
}
}
if (drop_mode_flags && drop_mode_over==p_item) {
Rect2 r=cell_rect;
if (drop_mode_section==-1 || drop_mode_section==0) {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x,r.pos.y,r.size.x,1),cache.drop_position_color);
}
if (drop_mode_section==0) {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x,r.pos.y,1,r.size.y),cache.drop_position_color);
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x+r.size.x-1,r.pos.y,1,r.size.y),cache.drop_position_color);
}
if (drop_mode_section==1 || drop_mode_section==0) {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(r.pos.x,r.pos.y+r.size.y,r.size.x,1),cache.drop_position_color);
}
}
Color col=p_item->cells[i].custom_color?p_item->cells[i].color:get_color( p_item->cells[i].selected?"font_color_selected":"font_color");
Point2i text_pos=item_rect.pos;
text_pos.y+=Math::floor((item_rect.size.y-font->get_height())/2) + font_ascent;
switch (p_item->cells[i].mode) {
case TreeItem::CELL_MODE_STRING: {
draw_item_rect(p_item->cells[i],item_rect,col);
} break;
case TreeItem::CELL_MODE_CHECK: {
Ref<Texture> checked = cache.checked;
Ref<Texture> unchecked = cache.unchecked;
Point2i check_ofs=item_rect.pos;
check_ofs.y+=Math::floor((item_rect.size.y-checked->get_height())/2);
if (p_item->cells[i].checked) {
checked->draw( ci, check_ofs );
} else {
unchecked->draw( ci, check_ofs );
}
int check_w = checked->get_width()+cache.hseparation;
text_pos.x+=check_w;
item_rect.size.x-=check_w;
item_rect.pos.x+=check_w;
draw_item_rect(p_item->cells[i],item_rect,col);
//font->draw( ci, text_pos, p_item->cells[i].text, col,item_rect.size.x-check_w );
} break;
case TreeItem::CELL_MODE_RANGE:
case TreeItem::CELL_MODE_RANGE_EXPRESSION: {
if (p_item->cells[i].text!="") {
if (!p_item->cells[i].editable)
break;
int option = (int)p_item->cells[i].val;
String s = p_item->cells[i].text;
s=s.get_slicec(',',option);
if (p_item->cells[i].suffix!=String())
s+=" "+p_item->cells[i].suffix;
Ref<Texture> downarrow = cache.select_arrow;
font->draw(ci, text_pos, s, col,item_rect.size.x-downarrow->get_width() );
//?
Point2i arrow_pos=item_rect.pos;
arrow_pos.x+=item_rect.size.x-downarrow->get_width();
arrow_pos.y+=Math::floor(((item_rect.size.y-downarrow->get_height()))/2.0);
downarrow->draw( ci, arrow_pos );
} else {
Ref<Texture> updown = cache.updown;
String valtext = String::num( p_item->cells[i].val, Math::step_decimals( p_item->cells[i].step ) );
//String valtext = rtos( p_item->cells[i].val );
if (p_item->cells[i].suffix!=String())
valtext+=" "+p_item->cells[i].suffix;
font->draw( ci, text_pos, valtext, col, item_rect.size.x-updown->get_width());
if (!p_item->cells[i].editable)
break;
Point2i updown_pos=item_rect.pos;
updown_pos.x+=item_rect.size.x-updown->get_width();
updown_pos.y+=Math::floor(((item_rect.size.y-updown->get_height()))/2.0);
updown->draw( ci, updown_pos );
}
} break;
case TreeItem::CELL_MODE_ICON: {
if (p_item->cells[i].icon.is_null())
break;
Size2i icon_size = p_item->cells[i].get_icon_size();
if (p_item->cells[i].icon_max_w>0 && icon_size.width >p_item->cells[i].icon_max_w) {
icon_size.height = icon_size.height * p_item->cells[i].icon_max_w / icon_size.width;
icon_size.width=p_item->cells[i].icon_max_w;
}
Point2i icon_ofs = (item_rect.size-icon_size)/2;
icon_ofs+=item_rect.pos;
draw_texture_rect(p_item->cells[i].icon,Rect2(icon_ofs,icon_size));;
//p_item->cells[i].icon->draw(ci, icon_ofs);
} break;
case TreeItem::CELL_MODE_CUSTOM: {
// int option = (int)p_item->cells[i].val;
if (p_item->cells[i].custom_draw_obj) {
Object* cdo = ObjectDB::get_instance(p_item->cells[i].custom_draw_obj);
if (cdo)
cdo->call(p_item->cells[i].custom_draw_callback,p_item,Rect2(item_rect));
}
if (!p_item->cells[i].editable) {
draw_item_rect(p_item->cells[i],item_rect,col);
break;
}
Ref<Texture> downarrow = cache.select_arrow;
Rect2i ir=item_rect;
ir.size.width-=downarrow->get_width();
draw_item_rect(p_item->cells[i],ir,col);
Point2i arrow_pos=item_rect.pos;
arrow_pos.x+=item_rect.size.x-downarrow->get_width();
arrow_pos.y+=Math::floor(((item_rect.size.y-downarrow->get_height()))/2.0);
downarrow->draw( ci, arrow_pos );
} break;
}
if (i==0) {
ofs=get_column_width(0);
} else {
ofs+=w+bw;
}
if (select_mode==SELECT_MULTI && selected_item==p_item && selected_col==i) {
if (has_focus())
cache.cursor->draw(ci,cell_rect);
else
cache.cursor_unfocus->draw(ci,cell_rect);
}
}
//separator
//get_painter()->draw_fill_rect( Point2i(0,pos.y),Size2i(get_size().width,1),color( COLOR_TREE_GRID) );
//pos=p_pos; //reset pos
}
Point2 children_pos=p_pos;
if (!skip) {
children_pos.x+=cache.item_margin;
htotal+=label_h;
children_pos.y+=htotal;
}
if (!p_item->collapsed) { /* if not collapsed, check the childs */
TreeItem *c=p_item->childs;
while (c) {
if (cache.draw_relationship_lines == 1){
int root_ofs = children_pos.x + (hide_folding?cache.hseparation:cache.item_margin);
int parent_ofs = p_pos.x + (hide_folding?cache.hseparation:cache.item_margin);
Point2i root_pos = Point2i(root_ofs, children_pos.y + label_h/2)-cache.offset+p_draw_ofs;
if (c->get_children() != NULL)
root_pos -= Point2i(cache.arrow->get_width(),0);
Point2i parent_pos = Point2i(parent_ofs - cache.arrow->get_width()/2, p_pos.y + label_h/2 + cache.arrow->get_height()/2)-cache.offset+p_draw_ofs;
VisualServer::get_singleton()->canvas_item_add_line(ci, root_pos, Point2i(parent_pos.x, root_pos.y), cache.relationship_line_color);
VisualServer::get_singleton()->canvas_item_add_line(ci, Point2i(parent_pos.x, root_pos.y), parent_pos, cache.relationship_line_color);
}
int child_h=draw_item(children_pos, p_draw_ofs, p_draw_size, c );
if (child_h<0 && cache.draw_relationship_lines == 0)
return -1; // break, stop drawing, no need to anymore
htotal+=child_h;
children_pos.y+=child_h;
c=c->next;
}
}
return htotal;
}
int Tree::_count_selected_items(TreeItem* p_from) const {
int count=0;
for(int i=0;i<columns.size();i++) {
if (p_from->is_selected(i))
count++;
}
if (p_from->get_children()) {
count+=_count_selected_items(p_from->get_children());
}
if (p_from->get_next()) {
count+=_count_selected_items(p_from->get_next());
}
return count;
}
void Tree::select_single_item(TreeItem *p_selected, TreeItem *p_current, int p_col, TreeItem *p_prev, bool *r_in_range, bool p_force_deselect) {
TreeItem::Cell &selected_cell=p_selected->cells[p_col];
bool switched=false;
if (r_in_range && !*r_in_range && (p_current==p_selected || p_current==p_prev)) {
*r_in_range=true;
switched=true;
}
bool emitted_row=false;
for (int i=0;i<columns.size();i++) {
TreeItem::Cell &c=p_current->cells[i];
if (!c.selectable)
continue;
if (select_mode==SELECT_ROW) {
if (p_selected==p_current) {
if (!c.selected) {
c.selected=true;
selected_item=p_selected;
selected_col=0;
selected_item=p_selected;
if (!emitted_row) {
emit_signal("item_selected");
emitted_row=true;
}
//if (p_col==i)
// p_current->selected_signal.call(p_col);
}
} else {
if (c.selected) {
c.selected=false;
//p_current->deselected_signal.call(p_col);
}
}
} else if (select_mode==SELECT_SINGLE || select_mode==SELECT_MULTI) {
if (!r_in_range && &selected_cell==&c) {
if (!selected_cell.selected) {
selected_cell.selected=true;
selected_item=p_selected;
selected_col=i;
emit_signal("cell_selected");
if (select_mode==SELECT_MULTI)
emit_signal("multi_selected",p_current,i,true);
} else if (select_mode==SELECT_MULTI && (selected_item!=p_selected || selected_col!=i)) {
selected_item=p_selected;
selected_col=i;
emit_signal("cell_selected");
}
} else {
if (r_in_range && *r_in_range && !p_force_deselect) {
if (!c.selected && c.selectable) {
c.selected=true;
emit_signal("multi_selected",p_current,i,true);
}
} else if (!r_in_range || p_force_deselect){
if (select_mode==SELECT_MULTI && c.selected)
emit_signal("multi_selected",p_current,i,false);
c.selected=false;
}
//p_current->deselected_signal.call(p_col);
}
}
}
if (!switched && r_in_range && *r_in_range && (p_current==p_selected || p_current==p_prev)) {
*r_in_range=false;
}
TreeItem *c=p_current->childs;
while (c) {
select_single_item(p_selected,c,p_col,p_prev,r_in_range,p_current->is_collapsed() || p_force_deselect);
c=c->next;
}
}
Rect2 Tree::search_item_rect(TreeItem *p_from, TreeItem *p_item) {
return Rect2();
}
void Tree::_range_click_timeout() {
if (range_item_last && !range_drag_enabled && Input::get_singleton()->is_mouse_button_pressed(BUTTON_LEFT)) {
Point2 pos = get_local_mouse_pos()-cache.bg->get_offset();
if (show_column_titles) {
pos.y-=_get_title_button_height();
if (pos.y<0) {
range_click_timer->stop();
return;
}
}
click_handled=false;
InputModifierState mod = InputModifierState(); // should be irrelevant..
blocked++;
propagate_mouse_event(pos+cache.offset, 0, 0, false, root, BUTTON_LEFT, mod);
blocked--;
if (range_click_timer->is_one_shot()) {
range_click_timer->set_wait_time(0.05);
range_click_timer->set_one_shot(false);
range_click_timer->start();
}
if (!click_handled)
range_click_timer->stop();
} else {
range_click_timer->stop();
}
}
int Tree::propagate_mouse_event(const Point2i &p_pos,int x_ofs,int y_ofs,bool p_doubleclick,TreeItem *p_item,int p_button,const InputModifierState& p_mod) {
int item_h=compute_item_height( p_item )+cache.vseparation;
bool skip=(p_item==root && hide_root);
if (!skip && p_pos.y<item_h) {
// check event!
if (range_click_timer->get_time_left() > 0 && p_item != range_item_last) {
return -1;
}
if (!hide_folding && (p_pos.x >=x_ofs && p_pos.x < (x_ofs+cache.item_margin) )) {
if (p_item->childs)
p_item->set_collapsed( ! p_item->is_collapsed() );
return -1; //handled!
}
int x=p_pos.x;
/* find clicked column */
int col=-1;
int col_ofs=0;
int col_width=0;
for (int i=0;i<columns.size();i++) {
col_width=get_column_width(i);
if (x>col_width) {
col_ofs+=col_width;
x-=col_width;
continue;
}
col=i;
break;
}
if (col==-1)
return -1;
else if (col==0) {
int margin=x_ofs+cache.item_margin;//-cache.hseparation;
//int lm = cache.bg->get_margin(MARGIN_LEFT);
col_width-=margin;
col_ofs+=margin;
x-=margin;
} else {
col_width-=cache.hseparation;
x-=cache.hseparation;
}
TreeItem::Cell &c = p_item->cells[col];
bool already_selected=c.selected;
bool already_cursor=(p_item==selected_item) && col == selected_col;
for(int j=c.buttons.size()-1;j>=0;j--) {
Ref<Texture> b=c.buttons[j].texture;
int w = b->get_size().width + cache.button_pressed->get_minimum_size().width;
if (x>col_width-w) {
if (c.buttons[j].disabled) {
pressed_button=-1;
cache.click_type=Cache::CLICK_NONE;
return -1;
}
pressed_button=j;
cache.click_type=Cache::CLICK_BUTTON;
cache.click_index=j;
cache.click_id=c.buttons[j].id;
cache.click_item=p_item;
cache.click_column=col;
update();
//emit_signal("button_pressed");
return -1;
}
col_width-=w+cache.button_margin;
}
if (p_button==BUTTON_LEFT || (p_button==BUTTON_RIGHT && allow_rmb_select)) {
/* process selection */
if (p_doubleclick && (!c.editable || c.mode==TreeItem::CELL_MODE_CUSTOM || c.mode==TreeItem::CELL_MODE_ICON /*|| c.mode==TreeItem::CELL_MODE_CHECK*/)) { //it' s confusing for check
emit_signal("item_activated");
return -1;
}
if (select_mode==SELECT_MULTI && p_mod.command && c.selectable) {
if (!c.selected || p_button==BUTTON_RIGHT) {
p_item->select(col);
emit_signal("multi_selected",p_item,col,true);
if (p_button==BUTTON_RIGHT) {
emit_signal("item_rmb_selected",get_local_mouse_pos());
}
//p_item->selected_signal.call(col);
} else {
p_item->deselect(col);
emit_signal("multi_selected",p_item,col,false);
//p_item->deselected_signal.call(col);
}
} else {
if (c.selectable) {
if (select_mode==SELECT_MULTI && p_mod.shift && selected_item && selected_item!=p_item) {
bool inrange=false;
select_single_item( p_item, root, col,selected_item,&inrange );
if (p_button==BUTTON_RIGHT) {
emit_signal("item_rmb_selected",get_local_mouse_pos());
}
} else {
int icount = _count_selected_items(root);
if (select_mode==SELECT_MULTI && icount>1 && p_button!=BUTTON_RIGHT) {
single_select_defer=p_item;
single_select_defer_column=col;
} else {
if (p_button!=BUTTON_RIGHT || !c.selected) {
select_single_item( p_item, root, col );
}
if (p_button==BUTTON_RIGHT) {
emit_signal("item_rmb_selected",get_local_mouse_pos());
}
}
}
//if (!c.selected && select_mode==SELECT_MULTI) {
// emit_signal("multi_selected",p_item,col,true);
//}
update();
}
}
}
if (!c.editable)
return -1; // if cell is not editable, don't bother
/* editing */
bool bring_up_editor=force_select_on_already_selected ? (c.selected && already_selected) : c.selected;
String editor_text=c.text;
switch (c.mode) {
case TreeItem::CELL_MODE_STRING: {
//nothing in particular
if (select_mode==SELECT_MULTI && (get_tree()->get_last_event_id() == focus_in_id || !already_cursor)) {
bring_up_editor=false;
}
} break;
case TreeItem::CELL_MODE_CHECK: {
bring_up_editor=false; //checkboxes are not edited with editor
p_item->set_checked(col, !c.checked);
item_edited(col, p_item);
click_handled = true;
//p_item->edited_signal.call(col);
} break;
case TreeItem::CELL_MODE_RANGE:
case TreeItem::CELL_MODE_RANGE_EXPRESSION: {
if (c.text!="") {
//if (x >= (get_column_width(col)-item_h/2)) {
popup_menu->clear();
for (int i=0;i<c.text.get_slice_count(",");i++) {
String s = c.text.get_slicec(',',i);
popup_menu->add_item(s,i);
}
popup_menu->set_size(Size2(col_width,0));
popup_menu->set_pos( get_global_pos() + Point2i(col_ofs,_get_title_button_height()+y_ofs+item_h)-cache.offset );
popup_menu->popup();
popup_edited_item=p_item;
popup_edited_item_col=col;
//}
bring_up_editor=false;
} else {
if (x >= (col_width-item_h/2)) {
/* touching the combo */
bool up=p_pos.y < (item_h /2);
if (p_button==BUTTON_LEFT) {
if (range_click_timer->get_time_left() == 0) {
range_item_last=p_item;
range_up_last=up;
range_click_timer->set_wait_time(0.6);
range_click_timer->set_one_shot(true);
range_click_timer->start();
} else if (up != range_up_last) {
return -1; // break. avoid changing direction on mouse held
}
p_item->set_range( col, c.val + (up?1.0:-1.0) * c.step );
item_edited(col,p_item);
} else if (p_button==BUTTON_RIGHT) {
p_item->set_range( col, (up?c.max:c.min) );
item_edited(col,p_item);
} else if (p_button==BUTTON_WHEEL_UP) {
p_item->set_range( col, c.val + c.step );
item_edited(col,p_item);
} else if (p_button==BUTTON_WHEEL_DOWN) {
p_item->set_range( col, c.val - c.step );
item_edited(col,p_item);
}
//p_item->edited_signal.call(col);
bring_up_editor=false;
} else {
editor_text=String::num( p_item->cells[col].val, Math::step_decimals( p_item->cells[col].step ) );
if (select_mode==SELECT_MULTI && get_tree()->get_last_event_id() == focus_in_id)
bring_up_editor=false;
}
}
click_handled=true;
} break;
case TreeItem::CELL_MODE_ICON: {
bring_up_editor=false;
} break;
case TreeItem::CELL_MODE_CUSTOM: {
edited_item=p_item;
edited_col=col;
custom_popup_rect=Rect2i(get_global_pos() + Point2i(col_ofs,_get_title_button_height()+y_ofs+item_h-cache.offset.y), Size2(get_column_width(col),item_h));
emit_signal("custom_popup_edited",((bool)(x >= (col_width-item_h/2))));
bring_up_editor=false;
item_edited(col,p_item);
click_handled=true;
return -1;
} break;
};
if (!bring_up_editor || p_button!=BUTTON_LEFT)
return -1;
click_handled=true;
popup_edited_item=p_item;
popup_edited_item_col=col;
pressing_item_rect=Rect2(get_global_pos() + Point2i(col_ofs,_get_title_button_height()+y_ofs)-cache.offset,Size2(col_width,item_h));
pressing_for_editor_text=editor_text;
pressing_for_editor=true;
return -1; //select
} else {
Point2i new_pos=p_pos;
if (!skip) {
x_ofs+=cache.item_margin;
//new_pos.x-=cache.item_margin;
y_ofs+=item_h;
new_pos.y-=item_h;
}
if (!p_item->collapsed) { /* if not collapsed, check the childs */
TreeItem *c=p_item->childs;
while (c) {
int child_h=propagate_mouse_event( new_pos,x_ofs,y_ofs,p_doubleclick,c,p_button,p_mod);
if (child_h<0)
return -1; // break, stop propagating, no need to anymore
new_pos.y-=child_h;
y_ofs+=child_h;
c=c->next;
item_h+=child_h;
}
}
}
return item_h; // nothing found
}
void Tree::_text_editor_modal_close() {
if ( Input::get_singleton()->is_key_pressed(KEY_ESCAPE) ||
Input::get_singleton()->is_key_pressed(KEY_ENTER) ||
Input::get_singleton()->is_key_pressed(KEY_RETURN) ) {
return;
}
if (value_editor->has_point(value_editor->get_local_mouse_pos()))
return;
text_editor_enter(text_editor->get_text());
}
void Tree::text_editor_enter(String p_text) {
text_editor->hide();
value_editor->hide();
if (!popup_edited_item)
return;
if (popup_edited_item_col<0 || popup_edited_item_col>columns.size())
return;
TreeItem::Cell &c=popup_edited_item->cells[popup_edited_item_col];
switch( c.mode ) {
case TreeItem::CELL_MODE_STRING: {
c.text=p_text;
//popup_edited_item->edited_signal.call( popup_edited_item_col );
} break;
case TreeItem::CELL_MODE_RANGE: {
c.val=p_text.to_double();
if (c.step>0)
c.val=Math::stepify(c.val,c.step);
if (c.val<c.min)
c.val=c.min;
else if (c.val>c.max)
c.val=c.max;
//popup_edited_item->edited_signal.call( popup_edited_item_col );
} break;
case TreeItem::CELL_MODE_RANGE_EXPRESSION: {
if(evaluator)
c.val=evaluator->eval(p_text);
else
c.val=p_text.to_double();
} break;
default: { ERR_FAIL(); }
}
item_edited(popup_edited_item_col,popup_edited_item);
update();
}
void Tree::value_editor_changed(double p_value) {
if (updating_value_editor) {
return;
}
if (!popup_edited_item) {
return;
}
TreeItem::Cell &c=popup_edited_item->cells[popup_edited_item_col];
c.val=p_value;
item_edited(popup_edited_item_col,popup_edited_item);
update();
}
void Tree::popup_select(int p_option) {
if (!popup_edited_item)
return;
if (popup_edited_item_col<0 || popup_edited_item_col>columns.size())
return;
popup_edited_item->cells[popup_edited_item_col].val=p_option;
//popup_edited_item->edited_signal.call( popup_edited_item_col );
update();
item_edited(popup_edited_item_col,popup_edited_item);
}
void Tree::_input_event(InputEvent p_event) {
switch (p_event.type) {
case InputEvent::KEY: {
if (!p_event.key.pressed)
break;
if (p_event.key.mod.alt || p_event.key.mod.command || (p_event.key.mod.shift && p_event.key.unicode==0) || p_event.key.mod.meta)
break;
if (!root)
return;
if (hide_root && !root->get_next_visible())
return;
switch(p_event.key.scancode) {
#define EXIT_BREAK { if (!cursor_can_exit_tree) accept_event(); break; }
case KEY_RIGHT: {
//TreeItem *next = NULL;
if (!selected_item)
break;
if (select_mode==SELECT_ROW)
EXIT_BREAK;
if (selected_col>=(columns.size()-1))
EXIT_BREAK;
if (select_mode==SELECT_MULTI) {
selected_col++;
emit_signal("cell_selected");
} else {
selected_item->select(selected_col+1);
}
update();
ensure_cursor_is_visible();
accept_event();
} break;
case KEY_LEFT: {
// TreeItem *next = NULL;
if (!selected_item)
break;
if (select_mode==SELECT_ROW)
EXIT_BREAK;
if (selected_col<=0)
EXIT_BREAK;
if (select_mode==SELECT_MULTI) {
selected_col--;
emit_signal("cell_selected");
} else {
selected_item->select(selected_col-1);
}
update();
accept_event();
} break;
case KEY_DOWN: {
TreeItem *next = NULL;
if (!selected_item) {
next=hide_root?root->get_next_visible():root;
selected_item=0;
} else {
next=selected_item->get_next_visible();
// if (diff < uint64_t(GLOBAL_DEF("gui/incr_search_max_interval_msec",2000))) {
if (last_keypress!=0) {
//incr search next
int col;
next=_search_item_text(next,incr_search,&col,true);
if (!next) {
accept_event();
return;
}
}
}
if (select_mode==SELECT_MULTI) {
if (!next)
EXIT_BREAK;
selected_item=next;
emit_signal("cell_selected");
update();
} else {
int col=selected_col<0?0:selected_col;
while (next && !next->cells[col].selectable)
next=next->get_next_visible();
if (!next)
EXIT_BREAK; // do nothing..
next->select(col);
}
ensure_cursor_is_visible();
accept_event();
} break;
case KEY_UP: {
TreeItem *prev = NULL;
if (!selected_item) {
prev = get_last_item();
selected_col=0;
} else {
prev=selected_item->get_prev_visible();
if (last_keypress!=0) {
//incr search next
int col;
prev=_search_item_text(prev,incr_search,&col,true,true);
if (!prev) {
accept_event();
return;
}
}
}
if (select_mode==SELECT_MULTI) {
if (!prev)
break;
selected_item=prev;
emit_signal("cell_selected");
update();
} else {
int col=selected_col<0?0:selected_col;
while (prev && !prev->cells[col].selectable)
prev=prev->get_prev_visible();
if (!prev)
break; // do nothing..
prev->select(col);
}
ensure_cursor_is_visible();
accept_event();
} break;
case KEY_PAGEDOWN: {
TreeItem *next = NULL;
if (!selected_item)
break;
next=selected_item;
for(int i=0;i<10;i++) {
TreeItem *_n = next->get_next_visible();
if (_n) {
next=_n;
} else {
break;
}
}
if (next==selected_item)
break;
if (select_mode==SELECT_MULTI) {
selected_item=next;
emit_signal("cell_selected");
update();
} else {
while (next && !next->cells[selected_col].selectable)
next=next->get_next_visible();
if (!next)
EXIT_BREAK; // do nothing..
next->select(selected_col);
}
ensure_cursor_is_visible();
} break;
case KEY_PAGEUP: {
TreeItem *prev = NULL;
if (!selected_item)
break;
prev=selected_item;
for(int i=0;i<10;i++) {
TreeItem *_n = prev->get_prev_visible();
if (_n) {
prev=_n;
} else {
break;
}
}
if (prev==selected_item)
break;
if (select_mode==SELECT_MULTI) {
selected_item=prev;
emit_signal("cell_selected");
update();
} else {
while (prev && !prev->cells[selected_col].selectable)
prev=prev->get_prev_visible();
if (!prev)
EXIT_BREAK; // do nothing..
prev->select(selected_col);
}
ensure_cursor_is_visible();
} break;
case KEY_F2:
case KEY_RETURN:
case KEY_ENTER: {
if (selected_item) {
//bring up editor if possible
if (!edit_selected()) {
emit_signal("item_activated");
}
}
accept_event();
} break;
case KEY_SPACE: {
if (select_mode==SELECT_MULTI) {
if (!selected_item)
break;
if (selected_item->is_selected(selected_col)) {
selected_item->deselect(selected_col);
emit_signal("multi_selected",selected_item,selected_col,false);
} else if (selected_item->is_selectable(selected_col)) {
selected_item->select(selected_col);
emit_signal("multi_selected",selected_item,selected_col,true);
}
}
accept_event();
} break;
default: {
if (p_event.key.unicode>0) {
_do_incr_search(String::chr(p_event.key.unicode));
accept_event();
return;
} else {
if (p_event.key.scancode!=KEY_SHIFT)
last_keypress=0;
}
} break;
last_keypress=0;
}
} break;
case InputEvent::MOUSE_MOTION: {
if (cache.font.is_null()) // avoid a strange case that may fuckup stuff
update_cache();
const InputEventMouseMotion& b=p_event.mouse_motion;
Ref<StyleBox> bg = cache.bg;
Point2 pos = Point2(b.x,b.y) - bg->get_offset();
Cache::ClickType old_hover = cache.hover_type;
int old_index = cache.hover_index;
cache.hover_type=Cache::CLICK_NONE;
cache.hover_index=0;
if (show_column_titles) {
pos.y-=_get_title_button_height();
if (pos.y<0) {
pos.x+=cache.offset.x;
int len=0;
for(int i=0;i<columns.size();i++) {
len+=get_column_width(i);
if (pos.x<len) {
cache.hover_type=Cache::CLICK_TITLE;
cache.hover_index=i;
update();
break;
}
}
}
}
if (drop_mode_flags && root) {
Point2 mpos=Point2(b.x,b.y);
mpos -= cache.bg->get_offset();
mpos.y-=_get_title_button_height();
if (mpos.y>=0) {
if (h_scroll->is_visible())
mpos.x+=h_scroll->get_val();
if (v_scroll->is_visible())
mpos.y+=v_scroll->get_val();
int col,h,section;
TreeItem *it = _find_item_at_pos(root,mpos,col,h,section);
if (it!=drop_mode_over || section!=drop_mode_section) {
drop_mode_over=it;
drop_mode_section=section;
update();
}
}
}
if (cache.hover_type!=old_hover || cache.hover_index!=old_index) {
update();
}
if (pressing_for_editor && popup_edited_item && (popup_edited_item->get_cell_mode(popup_edited_item_col)==TreeItem::CELL_MODE_RANGE || popup_edited_item->get_cell_mode(popup_edited_item_col)==TreeItem::CELL_MODE_RANGE_EXPRESSION)) {
//range drag
if (!range_drag_enabled) {
Vector2 cpos = Vector2(b.x,b.y);
if (cpos.distance_to(pressing_pos)>2) {
range_drag_enabled=true;
range_drag_capture_pos=cpos;
range_drag_base=popup_edited_item->get_range(popup_edited_item_col);
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
}
} else {
TreeItem::Cell &c=popup_edited_item->cells[popup_edited_item_col];
float diff_y = -b.relative_y;
diff_y=Math::pow(ABS(diff_y),1.8)*SGN(diff_y);
diff_y*=0.1;
range_drag_base=CLAMP(range_drag_base + c.step * diff_y, c.min, c.max);
popup_edited_item->set_range(popup_edited_item_col,range_drag_base);
item_edited(popup_edited_item_col,popup_edited_item);
}
}
if (drag_touching && ! drag_touching_deaccel) {
drag_accum-=b.relative_y;
v_scroll->set_val(drag_from+drag_accum);
drag_speed=-b.speed_y;
}
} break;
case InputEvent::MOUSE_BUTTON: {
if (cache.font.is_null()) // avoid a strange case that may fuckup stuff
update_cache();
const InputEventMouseButton& b=p_event.mouse_button;
if (!b.pressed) {
if (b.button_index==BUTTON_LEFT) {
if (single_select_defer) {
select_single_item( single_select_defer, root, single_select_defer_column );
single_select_defer=NULL;
}
range_click_timer->stop();
if (pressing_for_editor) {
if (range_drag_enabled) {
range_drag_enabled=false;
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
warp_mouse(range_drag_capture_pos);
} else {
Rect2 rect = get_selected()->get_meta("__focus_rect");
if (rect.has_point(Point2(p_event.mouse_button.x,p_event.mouse_button.y))) {
edit_selected();
} else {
emit_signal("item_double_clicked");
}
}
pressing_for_editor=false;
}
if (cache.click_type==Cache::CLICK_BUTTON) {
emit_signal("button_pressed",cache.click_item,cache.click_column,cache.click_id);
}
cache.click_type=Cache::CLICK_NONE;
cache.click_index=-1;
cache.click_id=-1;
cache.click_item=NULL;
cache.click_column=0;
if (drag_touching) {
if (drag_speed==0) {
drag_touching_deaccel=false;
drag_touching=false;
set_fixed_process(false);
} else {
drag_touching_deaccel=true;
}
}
update();
}
break;
}
switch(b.button_index) {
case BUTTON_RIGHT:
case BUTTON_LEFT: {
Ref<StyleBox> bg = cache.bg;
Point2 pos = Point2(b.x,b.y) - bg->get_offset();
cache.click_type=Cache::CLICK_NONE;
if (show_column_titles && b.button_index==BUTTON_LEFT) {
pos.y-=_get_title_button_height();
if (pos.y<0) {
pos.x+=cache.offset.x;
int len=0;
for(int i=0;i<columns.size();i++) {
len+=get_column_width(i);
if (pos.x<len) {
cache.click_type=Cache::CLICK_TITLE;
cache.click_index=i;
//cache.click_id=;
update();
break;
}
}
break;
}
}
if (!root || (!root->get_children() && hide_root)) {
if (b.button_index==BUTTON_RIGHT && allow_rmb_select) {
emit_signal("empty_tree_rmb_selected",get_local_mouse_pos());
}
break;
}
click_handled=false;
pressing_for_editor=false;
blocked++;
bool handled = propagate_mouse_event(pos+cache.offset,0,0,b.doubleclick,root,b.button_index,b.mod);
blocked--;
if (pressing_for_editor) {
pressing_pos=Point2(b.x,b.y);
}
if (b.button_index==BUTTON_RIGHT)
break;
if (drag_touching) {
set_fixed_process(false);
drag_touching_deaccel=false;
drag_touching=false;
drag_speed=0;
drag_from=0;
}
if (!click_handled) {
drag_speed=0;
drag_accum=0;
// last_drag_accum=0;
drag_from=v_scroll->get_val();
drag_touching=OS::get_singleton()->has_touchscreen_ui_hint();
drag_touching_deaccel=false;
if (drag_touching) {
set_fixed_process(true);
}
}
} break;
case BUTTON_WHEEL_UP: {
v_scroll->set_val( v_scroll->get_val()-v_scroll->get_page()/8 );
} break;
case BUTTON_WHEEL_DOWN: {
v_scroll->set_val( v_scroll->get_val()+v_scroll->get_page()/8 );
} break;
}
} break;
}
}
bool Tree::edit_selected() {
TreeItem *s = get_selected();
ERR_EXPLAIN("No item selected!");
ERR_FAIL_COND_V(!s,false);
ensure_cursor_is_visible();
int col = get_selected_column();
ERR_EXPLAIN("No item column selected!");
ERR_FAIL_INDEX_V(col,columns.size(),false);
if (!s->cells[col].editable)
return false;
Rect2 rect = s->get_meta("__focus_rect");
popup_edited_item=s;
popup_edited_item_col=col;
TreeItem::Cell &c = s->cells[col];
if (c.mode==TreeItem::CELL_MODE_CHECK) {
s->set_checked(col, !c.checked);
item_edited(col,s);
return true;
} else if (c.mode==TreeItem::CELL_MODE_CUSTOM) {
edited_item=s;
edited_col=col;
custom_popup_rect=Rect2i( get_global_pos() + rect.pos, rect.size );
emit_signal("custom_popup_edited",false);
item_edited(col,s);
return true;
} else if ((c.mode==TreeItem::CELL_MODE_RANGE||c.mode==TreeItem::CELL_MODE_RANGE_EXPRESSION) && c.text!="") {
popup_menu->clear();
for (int i=0;i<c.text.get_slice_count(",");i++) {
String s = c.text.get_slicec(',',i);
popup_menu->add_item(s,i);
}
popup_menu->set_size(Size2(rect.size.width,0));
popup_menu->set_pos( get_global_pos() + rect.pos + Point2i(0,rect.size.height) );
popup_menu->popup();
popup_edited_item=s;
popup_edited_item_col=col;
return true;
} else if (c.mode==TreeItem::CELL_MODE_STRING || c.mode==TreeItem::CELL_MODE_RANGE || c.mode==TreeItem::CELL_MODE_RANGE_EXPRESSION ) {
Point2i textedpos=get_global_pos() + rect.pos;
text_editor->set_pos( textedpos );
text_editor->set_size( rect.size);
text_editor->clear();
text_editor->set_text( c.mode==TreeItem::CELL_MODE_STRING?c.text:String::num( c.val, Math::step_decimals( c.step ) ) );
text_editor->select_all();
if (c.mode==TreeItem::CELL_MODE_RANGE || c.mode==TreeItem::CELL_MODE_RANGE_EXPRESSION ) {
value_editor->set_pos(textedpos + Point2i(0,text_editor->get_size().height) );
value_editor->set_size( Size2(rect.size.width,1));
value_editor->show_modal();
updating_value_editor=true;
value_editor->set_min( c.min );
value_editor->set_max( c.max );
value_editor->set_step( c.step );
value_editor->set_val( c.val );
value_editor->set_exp_unit_value( c.expr );
updating_value_editor=false;
}
text_editor->show_modal();
text_editor->grab_focus();
return true;
}
return false;
}
Size2 Tree::get_internal_min_size() const {
Size2i size=cache.bg->get_offset();
if (root)
size.height+=get_item_height(root);
for (int i=0;i<columns.size();i++) {
size.width+=columns[i].min_width;
}
return size;
}
void Tree::update_scrollbars() {
Size2 size = get_size();
int tbh;
if (show_column_titles) {
tbh=_get_title_button_height();
} else {
tbh=0;
}
Size2 hmin = h_scroll->get_combined_minimum_size();
Size2 vmin = v_scroll->get_combined_minimum_size();
v_scroll->set_begin( Point2(size.width - vmin.width , cache.bg->get_margin(MARGIN_TOP)) );
v_scroll->set_end( Point2(size.width, size.height-cache.bg->get_margin(MARGIN_TOP)-cache.bg->get_margin(MARGIN_BOTTOM)) );
h_scroll->set_begin( Point2( 0, size.height - hmin.height) );
h_scroll->set_end( Point2(size.width-vmin.width, size.height) );
Size2 min = get_internal_min_size();
if (min.height < size.height - hmin.height) {
v_scroll->hide();
cache.offset.y=0;
} else {
v_scroll->show();
v_scroll->set_max(min.height);
v_scroll->set_page(size.height - hmin.height - tbh);
cache.offset.y=v_scroll->get_val();
}
if (min.width < size.width - vmin.width) {
h_scroll->hide();
cache.offset.x=0;
} else {
h_scroll->show();
h_scroll->set_max(min.width);
h_scroll->set_page(size.width - vmin.width);
cache.offset.x=h_scroll->get_val();
}
}
int Tree::_get_title_button_height() const {
return show_column_titles?cache.font->get_height() + cache.title_button->get_minimum_size().height:0;
}
void Tree::_notification(int p_what) {
if (p_what==NOTIFICATION_FOCUS_ENTER) {
focus_in_id=get_tree()->get_last_event_id();
}
if (p_what==NOTIFICATION_MOUSE_EXIT) {
if (cache.hover_type!=Cache::CLICK_NONE) {
cache.hover_type=Cache::CLICK_NONE;
update();
}
}
if (p_what==NOTIFICATION_VISIBILITY_CHANGED) {
drag_touching=false;
}
if (p_what==NOTIFICATION_ENTER_TREE) {
update_cache();;
}
if (p_what==NOTIFICATION_DRAG_END) {
drop_mode_flags=0;
scrolling = false;
set_fixed_process(false);
update();
}
if (p_what==NOTIFICATION_DRAG_BEGIN) {
single_select_defer=NULL;
if (cache.scroll_speed > 0 && get_rect().has_point(get_viewport()->get_mouse_pos() - get_global_pos())) {
scrolling = true;
set_fixed_process(true);
}
}
if (p_what==NOTIFICATION_FIXED_PROCESS) {
if (drag_touching) {
if (drag_touching_deaccel) {
float pos = v_scroll->get_val();
pos+=drag_speed*get_fixed_process_delta_time();
bool turnoff=false;
if (pos<0) {
pos=0;
turnoff=true;
set_fixed_process(false);
drag_touching=false;
drag_touching_deaccel=false;
}
if (pos > (v_scroll->get_max()-v_scroll->get_page())) {
pos=v_scroll->get_max()-v_scroll->get_page();
turnoff=true;
}
v_scroll->set_val(pos);
float sgn = drag_speed<0? -1 : 1;
float val = Math::abs(drag_speed);
val-=1000*get_fixed_process_delta_time();
if (val<0) {
turnoff=true;
}
drag_speed=sgn*val;
if (turnoff) {
set_fixed_process(false);
drag_touching=false;
drag_touching_deaccel=false;
}
} else {
}
}
if (scrolling) {
Point2 point = get_viewport()->get_mouse_pos() - get_global_pos();
if (point.x < cache.scroll_border) {
point.x -= cache.scroll_border;
} else if (point.x > get_size().width - cache.scroll_border) {
point.x -= get_size().width - cache.scroll_border;
} else {
point.x = 0;
}
if (point.y < cache.scroll_border) {
point.y -= cache.scroll_border;
} else if (point.y > get_size().height - cache.scroll_border) {
point.y -= get_size().height - cache.scroll_border;
} else {
point.y = 0;
}
point *= cache.scroll_speed * get_fixed_process_delta_time();
point += get_scroll();
h_scroll->set_val(point.x);
v_scroll->set_val(point.y);
}
}
if (p_what==NOTIFICATION_DRAW) {
update_cache();
update_scrollbars();
RID ci = get_canvas_item();
VisualServer::get_singleton()->canvas_item_set_clip(ci,true);
Ref<StyleBox> bg = cache.bg;
Ref<StyleBox> bg_focus = get_stylebox("bg_focus");
Point2 draw_ofs;
draw_ofs+=bg->get_offset();
Size2 draw_size=get_size()-bg->get_minimum_size();
bg->draw( ci, Rect2( Point2(), get_size()) );
if (has_focus()) {
VisualServer::get_singleton()->canvas_item_add_clip_ignore(ci,true);
bg_focus->draw( ci, Rect2( Point2(), get_size()) );
VisualServer::get_singleton()->canvas_item_add_clip_ignore(ci,false);
}
int tbh = _get_title_button_height();
draw_ofs.y+=tbh;
draw_size.y-=tbh;
if (root) {
draw_item( Point2(),draw_ofs,draw_size,root);
}
int ofs=0;
// int from_y=exposed.pos.y+bg->get_margin(MARGIN_TOP);
// int size_y=exposed.size.height-bg->get_minimum_size().height;
for (int i=0;i<(columns.size()-1-1);i++) {
ofs+=get_column_width(i);
//get_painter()->draw_fill_rect( Point2(ofs+cache.hseparation/2, from_y), Size2( 1, size_y ),color( COLOR_TREE_GRID) );
}
if (show_column_titles) {
//title butons
int ofs=cache.bg->get_margin(MARGIN_LEFT);
for(int i=0;i<columns.size();i++) {
Ref<StyleBox> sb = (cache.click_type==Cache::CLICK_TITLE && cache.click_index==i)?cache.title_button_pressed:((cache.hover_type==Cache::CLICK_TITLE && cache.hover_index==i)?cache.title_button_hover:cache.title_button);
Ref<Font> f = cache.tb_font;
Rect2 tbrect = Rect2(ofs - cache.offset.x,bg->get_margin(MARGIN_TOP),get_column_width(i),tbh);
sb->draw(ci,tbrect);
ofs+=tbrect.size.width;
//text
int clip_w = tbrect.size.width - sb->get_minimum_size().width;
f->draw_halign(ci,tbrect.pos+Point2i(sb->get_offset().x,(tbrect.size.height-f->get_height())/2+f->get_ascent()),HALIGN_CENTER,clip_w,columns[i].title,cache.title_button_color);
}
}
}
if (p_what==NOTIFICATION_THEME_CHANGED) {
update_cache();
}
}
Size2 Tree::get_minimum_size() const {
return Size2(1,1);
}
TreeItem *Tree::create_item(TreeItem *p_parent) {
ERR_FAIL_COND_V(blocked>0,NULL);
TreeItem *ti = memnew( TreeItem(this) );
ti->cells.resize( columns.size() );
ERR_FAIL_COND_V(!ti,NULL);
if (p_parent) {
/* Always append at the end */
TreeItem *last=0;
TreeItem *c=p_parent->childs;
while(c) {
last=c;
c=c->next;
}
if (last) {
last->next=ti;
} else {
p_parent->childs=ti;
}
ti->parent=p_parent;
} else {
if (root)
ti->childs=root;
root=ti;
}
return ti;
}
TreeItem* Tree::get_root() {
return root;
}
TreeItem* Tree::get_last_item() {
TreeItem *last=root;
while(last) {
if (last->next)
last=last->next;
else if (last->childs)
last=last->childs;
else
break;
}
return last;
}
void Tree::item_edited(int p_column,TreeItem *p_item) {
edited_item=p_item;
edited_col=p_column;
emit_signal("item_edited");
}
void Tree::item_changed(int p_column,TreeItem *p_item) {
update();
}
void Tree::item_selected(int p_column,TreeItem *p_item) {
if (select_mode==SELECT_MULTI) {
if (!p_item->cells[p_column].selectable)
return;
p_item->cells[p_column].selected=true;
//emit_signal("multi_selected",p_item,p_column,true); - NO this is for TreeItem::select
} else {
select_single_item(p_item,root,p_column);
}
update();
}
void Tree::item_deselected(int p_column,TreeItem *p_item) {
if (select_mode==SELECT_MULTI) {
p_item->cells[p_column].selected=false;
}
update();
}
void Tree::set_select_mode(SelectMode p_mode) {
select_mode=p_mode;
}
void Tree::clear() {
if (blocked>0) {
ERR_FAIL_COND(blocked>0);
}
if (pressing_for_editor) {
if (range_drag_enabled) {
range_drag_enabled = false;
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
warp_mouse(range_drag_capture_pos);
}
pressing_for_editor = false;
}
if (root) {
memdelete( root );
root = NULL;
};
selected_item=NULL;
edited_item=NULL;
popup_edited_item=NULL;
selected_item=NULL;
update();
};
void Tree::set_hide_root(bool p_enabled) {
hide_root=p_enabled;
update();
}
void Tree::set_column_min_width(int p_column,int p_min_width) {
ERR_FAIL_INDEX(p_column,columns.size());
if (p_min_width<1)
return;
columns[p_column].min_width=p_min_width;
update();
}
void Tree::set_column_expand(int p_column,bool p_expand) {
ERR_FAIL_INDEX(p_column,columns.size());
columns[p_column].expand=p_expand;
update();
}
TreeItem *Tree::get_selected() const {
return selected_item;
}
int Tree::get_selected_column() const {
return selected_col;
}
TreeItem *Tree::get_edited() const {
return edited_item;
}
int Tree::get_edited_column() const {
return edited_col;
}
TreeItem* Tree::get_next_selected( TreeItem* p_item) {
//if (!p_item)
// return NULL;
if (!root)
return NULL;
while(true) {
if (!p_item) {
p_item=root;
} else {
if (p_item->childs) {
p_item=p_item->childs;
} else if (p_item->next) {
p_item=p_item->next;
} else {
while(!p_item->next) {
p_item=p_item->parent;
if (p_item==NULL)
return NULL;
}
p_item=p_item->next;
}
}
for (int i=0;i<columns.size();i++)
if (p_item->cells[i].selected)
return p_item;
}
return NULL;
}
int Tree::get_column_width(int p_column) const {
ERR_FAIL_INDEX_V(p_column,columns.size(),-1);
if (!columns[p_column].expand)
return columns[p_column].min_width;
Ref<StyleBox> bg = cache.bg;
int expand_area=get_size().width-(bg->get_margin(MARGIN_LEFT)+bg->get_margin(MARGIN_RIGHT));
if (v_scroll->is_visible())
expand_area-=v_scroll->get_combined_minimum_size().width;
int expanding_columns=0;
int expanding_total=0;
for (int i=0;i<columns.size();i++) {
if (!columns[i].expand) {
expand_area-=columns[i].min_width;
} else {
expanding_total+=columns[i].min_width;
expanding_columns++;
}
}
if (expand_area<expanding_total)
return columns[p_column].min_width;
ERR_FAIL_COND_V(expanding_columns==0,-1); // shouldnt happen
return expand_area * columns[p_column].min_width / expanding_total;
}
void Tree::propagate_set_columns(TreeItem *p_item) {
p_item->cells.resize( columns.size() );
TreeItem *c = p_item->get_children();
while(c) {
propagate_set_columns(c);
c=c->get_next();
}
}
void Tree::set_columns(int p_columns) {
ERR_FAIL_COND(p_columns<1);
ERR_FAIL_COND(blocked>0);
columns.resize(p_columns);
if (root)
propagate_set_columns(root);
if (selected_col>=p_columns)
selected_col=p_columns-1;
update();
}
int Tree::get_columns() const {
return columns.size();
}
void Tree::_scroll_moved(float) {
update();
}
Rect2 Tree::get_custom_popup_rect() const {
return custom_popup_rect;
}
int Tree::get_item_offset(TreeItem *p_item) const {
TreeItem *it=root;
int ofs=_get_title_button_height();
if (!it)
return 0;
while(true) {
if (it==p_item)
return ofs;
ofs+=compute_item_height(it)+cache.vseparation;
if (it->childs && !it->collapsed) {
it=it->childs;
} else if (it->next) {
it=it->next;
} else {
while(!it->next) {
it=it->parent;
if (it==NULL)
return 0;
}
it=it->next;
}
}
return -1; //not found
}
void Tree::ensure_cursor_is_visible() {
if (!is_inside_tree())
return;
TreeItem *selected = get_selected();
if (!selected)
return;
int ofs = get_item_offset(selected);
if (ofs==-1)
return;
int h = compute_item_height(selected)+cache.vseparation;
int screenh=get_size().height-h_scroll->get_combined_minimum_size().height;
if (ofs+h>v_scroll->get_val()+screenh)
v_scroll->call_deferred("set_val", ofs-screenh+h);
else if (ofs < v_scroll->get_val())
v_scroll->set_val(ofs);
}
int Tree::get_pressed_button() const {
return pressed_button;
}
Rect2 Tree::get_item_rect(TreeItem *p_item,int p_column) const {
ERR_FAIL_NULL_V(p_item,Rect2());
ERR_FAIL_COND_V(p_item->tree!=this,Rect2());
if (p_column!=-1) {
ERR_FAIL_INDEX_V(p_column,columns.size(),Rect2());
}
int ofs = get_item_offset(p_item);
int height = compute_item_height(p_item);
Rect2 r;
r.pos.y=ofs;
r.size.height=height;
if (p_column==-1) {
r.pos.x=0;
r.size.x=get_size().width;
} else {
int accum=0;
for(int i=0;i<p_column;i++) {
accum+=get_column_width(i);
}
r.pos.x=accum;
r.size.x=get_column_width(p_column);
}
return r;
}
void Tree::set_column_titles_visible(bool p_show) {
show_column_titles=p_show;
update();
}
bool Tree::are_column_titles_visible() const {
return show_column_titles;
}
void Tree::set_column_title(int p_column,const String& p_title) {
ERR_FAIL_INDEX(p_column,columns.size());
columns[p_column].title=p_title;
update();
}
String Tree::get_column_title(int p_column) const {
ERR_FAIL_INDEX_V(p_column,columns.size(),"");
return columns[p_column].title;
}
Point2 Tree::get_scroll() const {
Point2 ofs;
if (h_scroll->is_visible())
ofs.x=h_scroll->get_val();
if (v_scroll->is_visible())
ofs.y=v_scroll->get_val();
return ofs;
}
TreeItem* Tree::_search_item_text(TreeItem *p_at, const String& p_find,int *r_col,bool p_selectable,bool p_backwards) {
while(p_at) {
for(int i=0;i<columns.size();i++) {
if (p_at->get_text(i).findn(p_find)==0 && (!p_selectable || p_at->is_selectable(i))) {
if (r_col)
*r_col=i;
return p_at;
}
}
if (p_backwards)
p_at=p_at->get_prev_visible();
else
p_at=p_at->get_next_visible();
}
return NULL;
}
TreeItem* Tree::search_item_text(const String& p_find,int *r_col,bool p_selectable) {
if (!root)
return NULL;
return _search_item_text(root,p_find,r_col,p_selectable);
}
void Tree::_do_incr_search(const String& p_add) {
uint64_t time = OS::get_singleton()->get_ticks_usec() / 1000; // convert to msec
uint64_t diff = time - last_keypress;
if (diff > uint64_t(GLOBAL_DEF("gui/incr_search_max_interval_msec",2000)))
incr_search=p_add;
else
incr_search+=p_add;
last_keypress=time;
int col;
TreeItem *item = search_item_text(incr_search,&col,true);
if (!item)
return;
item->select(col);
ensure_cursor_is_visible();
}
TreeItem* Tree::_find_item_at_pos(TreeItem*p_item, const Point2& p_pos,int& r_column,int &h,int &section) const {
Point2 pos = p_pos;
if (root!=p_item || ! hide_root) {
h = compute_item_height(p_item)+cache.vseparation;;
if (pos.y<h) {
if (drop_mode_flags==DROP_MODE_ON_ITEM) {
section=0;
} else if (drop_mode_flags==DROP_MODE_INBETWEEN) {
section=pos.y<h/2?-1:1;
} else if (pos.y<h/4) {
section=-1;
} else if (pos.y>=(h*3/4)) {
section=1;
} else {
section=0;
}
for(int i=0;i<columns.size();i++) {
int w = get_column_width(i);
if (pos.x < w) {
r_column=i;
return p_item;
}
pos.x-=w;
}
return NULL;
} else {
pos.y-=h;
}
} else {
h=0;
}
if (p_item->is_collapsed())
return NULL; // do not try childs, it's collapsed
TreeItem *n = p_item->get_children();
while(n) {
int ch;
TreeItem *r = _find_item_at_pos(n,pos,r_column,ch,section);
pos.y-=ch;
h+=ch;
if (r)
return r;
n=n->get_next();
}
return NULL;
}
int Tree::get_column_at_pos(const Point2& p_pos) const {
if (root) {
Point2 pos=p_pos;
pos -= cache.bg->get_offset();
pos.y-=_get_title_button_height();
if (pos.y<0)
return -1;
if (h_scroll->is_visible())
pos.x+=h_scroll->get_val();
if (v_scroll->is_visible())
pos.y+=v_scroll->get_val();
int col,h,section;
TreeItem *it = _find_item_at_pos(root,pos,col,h,section);
if (it) {
return col;
}
}
return -1;
}
int Tree::get_drop_section_at_pos(const Point2& p_pos) const {
if (root) {
Point2 pos=p_pos;
pos -= cache.bg->get_offset();
pos.y-=_get_title_button_height();
if (pos.y<0)
return -100;
if (h_scroll->is_visible())
pos.x+=h_scroll->get_val();
if (v_scroll->is_visible())
pos.y+=v_scroll->get_val();
int col,h,section;
TreeItem *it = _find_item_at_pos(root,pos,col,h,section);
if (it) {
return section;
}
}
return -100;
}
TreeItem* Tree::get_item_at_pos(const Point2& p_pos) const {
if (root) {
Point2 pos=p_pos;
pos -= cache.bg->get_offset();
pos.y-=_get_title_button_height();
if (pos.y<0)
return NULL;
if (h_scroll->is_visible())
pos.x+=h_scroll->get_val();
if (v_scroll->is_visible())
pos.y+=v_scroll->get_val();
int col,h,section;
TreeItem *it = _find_item_at_pos(root,pos,col,h,section);
if (it) {
return it;
}
}
return NULL;
}
String Tree::get_tooltip(const Point2& p_pos) const {
if (root) {
Point2 pos=p_pos;
pos -= cache.bg->get_offset();
pos.y-=_get_title_button_height();
if (pos.y<0)
return Control::get_tooltip(p_pos);
if (h_scroll->is_visible())
pos.x+=h_scroll->get_val();
if (v_scroll->is_visible())
pos.y+=v_scroll->get_val();
int col,h,section;
TreeItem *it = _find_item_at_pos(root,pos,col,h,section);
if (it) {
String ret;
if (it->get_tooltip(col)=="")
ret=it->get_text(col);
else
ret=it->get_tooltip(col);
return ret;
}
}
return Control::get_tooltip(p_pos);
}
void Tree::set_cursor_can_exit_tree(bool p_enable) {
cursor_can_exit_tree=p_enable;
}
bool Tree::can_cursor_exit_tree() const {
return cursor_can_exit_tree;
}
void Tree::set_hide_folding(bool p_hide) {
hide_folding=p_hide;
update();
}
bool Tree::is_folding_hidden() const {
return hide_folding;
}
void Tree::set_value_evaluator(ValueEvaluator *p_evaluator) {
evaluator = p_evaluator;
}
void Tree::set_drop_mode_flags(int p_flags) {
if (drop_mode_flags==p_flags)
return;
drop_mode_flags=p_flags;
if (drop_mode_flags==0) {
drop_mode_over=NULL;
}
update();
}
int Tree::get_drop_mode_flags() const {
return drop_mode_flags;
}
void Tree::set_single_select_cell_editing_only_when_already_selected(bool p_enable) {
force_select_on_already_selected=p_enable;
}
bool Tree::get_single_select_cell_editing_only_when_already_selected() const {
return force_select_on_already_selected;
}
void Tree::set_allow_rmb_select(bool p_allow) {
allow_rmb_select=p_allow;
}
bool Tree::get_allow_rmb_select() const{
return allow_rmb_select;
}
void Tree::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_range_click_timeout"),&Tree::_range_click_timeout);
ObjectTypeDB::bind_method(_MD("_input_event"),&Tree::_input_event);
ObjectTypeDB::bind_method(_MD("_popup_select"),&Tree::popup_select);
ObjectTypeDB::bind_method(_MD("_text_editor_enter"),&Tree::text_editor_enter);
ObjectTypeDB::bind_method(_MD("_text_editor_modal_close"),&Tree::_text_editor_modal_close);
ObjectTypeDB::bind_method(_MD("_value_editor_changed"),&Tree::value_editor_changed);
ObjectTypeDB::bind_method(_MD("_scroll_moved"),&Tree::_scroll_moved);
ObjectTypeDB::bind_method(_MD("clear"),&Tree::clear);
ObjectTypeDB::bind_method(_MD("create_item:TreeItem","parent:TreeItem"),&Tree::_create_item,DEFVAL(Variant()));
ObjectTypeDB::bind_method(_MD("get_root:TreeItem"),&Tree::get_root);
ObjectTypeDB::bind_method(_MD("set_column_min_width","column","min_width"),&Tree::set_column_min_width);
ObjectTypeDB::bind_method(_MD("set_column_expand","column","expand"),&Tree::set_column_expand);
ObjectTypeDB::bind_method(_MD("get_column_width","column"),&Tree::get_column_width);
ObjectTypeDB::bind_method(_MD("set_hide_root","enable"),&Tree::set_hide_root);
ObjectTypeDB::bind_method(_MD("get_next_selected:TreeItem","from:TreeItem"),&Tree::_get_next_selected);
ObjectTypeDB::bind_method(_MD("get_selected:TreeItem"),&Tree::get_selected);
ObjectTypeDB::bind_method(_MD("get_selected_column"),&Tree::get_selected_column);
ObjectTypeDB::bind_method(_MD("get_pressed_button"),&Tree::get_pressed_button);
ObjectTypeDB::bind_method(_MD("set_select_mode","mode"),&Tree::set_select_mode);
ObjectTypeDB::bind_method(_MD("set_columns","amount"),&Tree::set_columns);
ObjectTypeDB::bind_method(_MD("get_columns"),&Tree::get_columns);
ObjectTypeDB::bind_method(_MD("get_edited:TreeItem"),&Tree::get_edited);
ObjectTypeDB::bind_method(_MD("get_edited_column"),&Tree::get_edited_column);
ObjectTypeDB::bind_method(_MD("get_custom_popup_rect"),&Tree::get_custom_popup_rect);
ObjectTypeDB::bind_method(_MD("get_item_area_rect","item:TreeItem","column"),&Tree::_get_item_rect,DEFVAL(-1));
ObjectTypeDB::bind_method(_MD("get_item_at_pos:TreeItem","pos"),&Tree::get_item_at_pos);
ObjectTypeDB::bind_method(_MD("get_column_at_pos","pos"),&Tree::get_column_at_pos);
ObjectTypeDB::bind_method(_MD("ensure_cursor_is_visible"),&Tree::ensure_cursor_is_visible);
ObjectTypeDB::bind_method(_MD("set_column_titles_visible","visible"),&Tree::set_column_titles_visible);
ObjectTypeDB::bind_method(_MD("are_column_titles_visible"),&Tree::are_column_titles_visible);
ObjectTypeDB::bind_method(_MD("set_column_title","column","title"),&Tree::set_column_title);
ObjectTypeDB::bind_method(_MD("get_column_title","column"),&Tree::get_column_title);
ObjectTypeDB::bind_method(_MD("get_scroll"),&Tree::get_scroll);
ObjectTypeDB::bind_method(_MD("set_hide_folding","hide"),&Tree::set_hide_folding);
ObjectTypeDB::bind_method(_MD("is_folding_hidden"),&Tree::is_folding_hidden);
ObjectTypeDB::bind_method(_MD("set_drop_mode_flags","flags"),&Tree::set_drop_mode_flags);
ObjectTypeDB::bind_method(_MD("get_drop_mode_flags"),&Tree::get_drop_mode_flags);
ObjectTypeDB::bind_method(_MD("set_allow_rmb_select","allow"),&Tree::set_allow_rmb_select);
ObjectTypeDB::bind_method(_MD("get_allow_rmb_select"),&Tree::get_allow_rmb_select);
ObjectTypeDB::bind_method(_MD("set_single_select_cell_editing_only_when_already_selected","enable"),&Tree::set_single_select_cell_editing_only_when_already_selected);
ObjectTypeDB::bind_method(_MD("get_single_select_cell_editing_only_when_already_selected"),&Tree::get_single_select_cell_editing_only_when_already_selected);
ADD_SIGNAL( MethodInfo("item_selected"));
ADD_SIGNAL( MethodInfo("cell_selected"));
ADD_SIGNAL( MethodInfo("multi_selected",PropertyInfo(Variant::OBJECT,"item"),PropertyInfo(Variant::INT,"column"),PropertyInfo(Variant::BOOL,"selected")) );
ADD_SIGNAL( MethodInfo("item_rmb_selected",PropertyInfo(Variant::VECTOR2,"pos")));
ADD_SIGNAL( MethodInfo("empty_tree_rmb_selected",PropertyInfo(Variant::VECTOR2,"pos")));
ADD_SIGNAL( MethodInfo("item_edited"));
ADD_SIGNAL( MethodInfo("item_double_clicked"));
ADD_SIGNAL( MethodInfo("item_collapsed",PropertyInfo(Variant::OBJECT,"item")));
//ADD_SIGNAL( MethodInfo("item_doubleclicked" ) );
ADD_SIGNAL( MethodInfo("button_pressed",PropertyInfo(Variant::OBJECT,"item"),PropertyInfo(Variant::INT,"column"),PropertyInfo(Variant::INT,"id")));
ADD_SIGNAL( MethodInfo("custom_popup_edited",PropertyInfo(Variant::BOOL,"arrow_clicked") ) );
ADD_SIGNAL( MethodInfo("item_activated"));
BIND_CONSTANT( SELECT_SINGLE );
BIND_CONSTANT( SELECT_ROW );
BIND_CONSTANT( SELECT_MULTI );
BIND_CONSTANT( DROP_MODE_DISABLED );
BIND_CONSTANT( DROP_MODE_ON_ITEM );
BIND_CONSTANT( DROP_MODE_INBETWEEN );
}
Tree::Tree() {
selected_col=0;
columns.resize(1);
selected_item=NULL;
edited_item=NULL;
selected_col=-1;
edited_col=-1;
hide_root=false;
select_mode=SELECT_SINGLE;
root=0;
popup_menu=NULL;
popup_edited_item=NULL;
text_editor=NULL;
set_focus_mode(FOCUS_ALL);
popup_menu = memnew( PopupMenu );
popup_menu->hide();
add_child(popup_menu);
popup_menu->set_as_toplevel(true);
text_editor = memnew( LineEdit );
add_child(text_editor);
text_editor->set_as_toplevel(true);
text_editor->hide();
value_editor = memnew( HSlider );
add_child(value_editor);
value_editor->set_as_toplevel(true);
value_editor->hide();
h_scroll = memnew( HScrollBar );
v_scroll = memnew( VScrollBar );
add_child(h_scroll);
add_child(v_scroll);
range_click_timer = memnew( Timer );
range_click_timer->connect("timeout",this,"_range_click_timeout");
add_child(range_click_timer);
h_scroll->connect("value_changed", this,"_scroll_moved");
v_scroll->connect("value_changed", this,"_scroll_moved");
text_editor->connect("text_entered", this,"_text_editor_enter");
text_editor->connect("modal_close", this,"_text_editor_modal_close");
popup_menu->connect("item_pressed", this,"_popup_select");
value_editor->connect("value_changed", this,"_value_editor_changed");
value_editor->set_as_toplevel(true);
text_editor->set_as_toplevel(true);
updating_value_editor=false;
pressed_button=-1;
show_column_titles=false;
cache.click_type = Cache::CLICK_NONE;
cache.hover_type = Cache::CLICK_NONE;
cache.hover_index = -1;
cache.click_index=-1;
cache.click_id=-1;
cache.click_item=NULL;
cache.click_column=0;
last_keypress=0;
focus_in_id=0;
blocked=0;
cursor_can_exit_tree=true;
set_stop_mouse(true);
drag_speed=0;
drag_touching=false;
drag_touching_deaccel=false;
pressing_for_editor=false;
range_drag_enabled=false;
hide_folding=false;
evaluator=NULL;
drop_mode_flags=0;
drop_mode_over=NULL;
drop_mode_section=0;
single_select_defer=NULL;
force_select_on_already_selected=false;
allow_rmb_select=false;
}
Tree::~Tree() {
if (root) {
memdelete( root );
}
}
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