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233 lines
6.3 KiB
C++
233 lines
6.3 KiB
C++
/*************************************************************************/
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/* grid_container.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "grid_container.h"
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void GridContainer::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_SORT_CHILDREN: {
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Map<int,int> col_minw;
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Map<int,int> row_minh;
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Set<int> col_expanded;
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Set<int> row_expanded;
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int hsep=get_constant("hseparation");
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int vsep=get_constant("vseparation");
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int idx=0;
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int max_row=0;
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int max_col=0;
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Size2 size = get_size();
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c || !c->is_visible())
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continue;
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int row = idx / columns;
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int col = idx % columns;
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Size2i ms = c->get_combined_minimum_size();
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if (col_minw.has(col))
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col_minw[col] = MAX(col_minw[col],ms.width);
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else
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col_minw[col]=ms.width;
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if (row_minh.has(row))
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row_minh[row] = MAX(row_minh[row],ms.height);
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else
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row_minh[row]=ms.height;
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// print_line("store row "+itos(row)+" mw "+itos(ms.height));
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if (c->get_h_size_flags()&SIZE_EXPAND)
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col_expanded.insert(col);
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if (c->get_v_size_flags()&SIZE_EXPAND)
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row_expanded.insert(row);
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max_col=MAX(col,max_col);
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max_row=MAX(row,max_row);
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idx++;
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}
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Size2 ms;
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int expand_rows=0;
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int expand_cols=0;
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for (Map<int,int>::Element *E=col_minw.front();E;E=E->next()) {
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ms.width+=E->get();
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if (col_expanded.has(E->key()))
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expand_cols++;
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}
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for (Map<int,int>::Element *E=row_minh.front();E;E=E->next()) {
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ms.height+=E->get();
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if (row_expanded.has(E->key()))
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expand_rows++;
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}
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ms.height+=vsep*max_row;
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ms.width+=hsep*max_col;
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int row_expand = expand_rows?(size.y-ms.y)/expand_rows:0;
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int col_expand = expand_cols?(size.x-ms.x)/expand_cols:0;
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int col_ofs=0;
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int row_ofs=0;
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idx=0;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c || !c->is_visible())
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continue;
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int row = idx / columns;
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int col = idx % columns;
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if (col==0) {
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col_ofs=0;
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if (row>0 && row_minh.has(row-1))
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row_ofs+=row_minh[row-1]+vsep+(row_expanded.has(row-1)?row_expand:0);
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}
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Size2 s;
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if (col_minw.has(col))
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s.width=col_minw[col];
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if (row_minh.has(row))
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s.height=row_minh[row];
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if (row_expanded.has(row))
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s.height+=row_expand;
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if (col_expanded.has(col))
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s.width+=col_expand;
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Point2 p(col_ofs,row_ofs);
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// print_line("col: "+itos(col)+" row: "+itos(row)+" col_ofs: "+itos(col_ofs)+" row_ofs: "+itos(row_ofs));
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fit_child_in_rect(c,Rect2(p,s));
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//print_line("col: "+itos(col)+" row: "+itos(row)+" rect: "+Rect2(p,s));
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if (col_minw.has(col)) {
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col_ofs+=col_minw[col]+hsep+(col_expanded.has(col)?col_expand:0);
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}
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idx++;
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}
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} break;
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}
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}
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void GridContainer::set_columns(int p_columns) {
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columns=p_columns;
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queue_sort();
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}
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int GridContainer::get_columns() const{
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return columns;
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}
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void GridContainer::_bind_methods(){
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ObjectTypeDB::bind_method(_MD("set_columns","columns"),&GridContainer::set_columns);
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ObjectTypeDB::bind_method(_MD("get_columns"),&GridContainer::get_columns);
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ADD_PROPERTY( PropertyInfo(Variant::INT,"columns",PROPERTY_HINT_RANGE,"1,1024,1"),_SCS("set_columns"),_SCS("get_columns"));
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}
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Size2 GridContainer::get_minimum_size() const {
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Map<int,int> col_minw;
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Map<int,int> row_minh;
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int hsep=get_constant("hseparation");
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int vsep=get_constant("vseparation");
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int idx=0;
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int max_row=0;
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int max_col=0;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c || !c->is_visible())
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continue;
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int row = idx / columns;
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int col = idx % columns;
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Size2i ms = c->get_combined_minimum_size();
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if (col_minw.has(col))
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col_minw[col] = MAX(col_minw[col],ms.width);
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else
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col_minw[col]=ms.width;
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if (row_minh.has(row))
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row_minh[row] = MAX(row_minh[row],ms.height);
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else
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row_minh[row]=ms.height;
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max_col=MAX(col,max_col);
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max_row=MAX(row,max_row);
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idx++;
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}
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Size2 ms;
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for (Map<int,int>::Element *E=col_minw.front();E;E=E->next()) {
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ms.width+=E->get();
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}
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for (Map<int,int>::Element *E=row_minh.front();E;E=E->next()) {
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ms.height+=E->get();
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}
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ms.height+=vsep*max_row;
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ms.width+=hsep*max_col;
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return ms;
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}
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GridContainer::GridContainer() {
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set_stop_mouse(false);
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columns=1;
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}
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