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/* panel.cc |
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* This file is part of ncursesxx library |
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* Copyright (c) 2003,2004 by Stanislav Ievlev |
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* |
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* This file is covered by the GNU Library General Public License, |
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* which should be included with libncursesxx as the file COPYING. |
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*/ |
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#include <ncurses/panel.hh> |
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#include <algorithm> |
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#include <functional> |
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#include <stdexcept> |
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#include <iostream> |
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/* not using namespace, because curses already have struct with name panel */ |
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ncurses::panel::panel (panel *parent) |
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: window () |
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, panel_ (0) |
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, parent_ (parent) |
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{ |
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/* create panel object */ |
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panel_ = new_panel (win ()); |
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if (!panel_) |
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throw std::runtime_error ("new_panel failed"); |
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if (parent_) |
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{ |
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move_panel (panel_, parent_->y (), parent_->x ()); /* move to default position relative to father */ |
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parent_->add_child (this); /* append itself to the father */ |
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} |
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hide (); /* hide widget by default */ |
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} |
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ncurses::panel::~panel () |
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{ |
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if (parent_) |
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parent_->del_child (this); /* remove child from the parent's list */ |
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del_panel (panel_); |
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} |
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void |
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ncurses::panel::add_child (panel *item) |
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{ |
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childs_.push_back (item); /* append a new child to the list */ |
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} |
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void |
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ncurses::panel::del_child (panel *item) |
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{ |
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childs_.erase (std::remove (childs_.begin (), |
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childs_.end (), |
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item), childs_.end ()); |
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} |
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void |
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ncurses::panel::top () |
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{ |
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if (hidden ()) |
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return; /* we should skip this function if panel hidden */ |
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return_unless (::top_panel (panel_) == OK); |
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foreach (panel *p, childs_) |
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p->top (); |
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} |
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void |
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ncurses::panel::bottom () |
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{ |
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if (hidden ()) |
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return; /* we should skip this function if panel hidden */ |
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return_unless (::bottom_panel (panel_) == OK); |
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foreach (panel *p, childs_) |
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p->bottom (); |
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} |
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void |
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ncurses::panel::show () |
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{ |
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/* we should skip this function if panel already visible */ |
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if (hidden ()) |
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return_unless (::show_panel (panel_) == OK); |
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foreach (panel *p, childs_) |
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p->show (); |
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} |
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void |
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ncurses::panel::hide () |
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{ |
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/* we should skip this function if panel already hidden */ |
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if (!hidden ()) |
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return_unless (::hide_panel (panel_) == OK); |
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foreach (panel *p, childs_) |
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p->hide (); |
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} |
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bool |
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ncurses::panel::hidden () const |
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{ |
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return ::panel_hidden (panel_) == TRUE; |
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} |
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bool |
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ncurses::panel::higher (panel const &other) const |
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{ |
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PANEL *below = panel_; |
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while ((below = panel_below (below)) != 0) |
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if (below == other.panel_) |
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return true; |
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return false; |
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} |
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void |
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ncurses::panel::draw () |
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{ |
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} |
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void |
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ncurses::panel::prepare (bool recursive) |
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{ |
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draw (); |
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if (recursive) |
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foreach (panel *child, childs_) |
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child->prepare (); |
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} |
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void |
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ncurses::panel::visualize (bool recursive) |
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{ |
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prepare (recursive); |
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show (); |
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} |
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void |
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ncurses::panel::move (int new_x, int new_y, coords_type type) |
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{ |
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/* save difference */ |
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int const diffx = new_x - x (); |
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int const diffy = new_y - y (); |
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bool const abs_type = type == absolute || type == rel_parent; |
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if (type == rel_parent && parent ()) |
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{ |
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new_x += parent ()->x (); |
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new_y += parent ()->y (); |
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} |
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move_panel ( panel_ |
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, abs_type ? new_y : y () + new_y |
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, abs_type ? new_x : x () + new_x |
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); |
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/* childs_ always moving in relative coordinates */ |
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foreach (panel *p, childs_) |
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p->move (abs_type ? diffx : new_x, abs_type ? diffy : new_y); |
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} |
