| 1 |
/* panel.cc |
| 2 |
* This file is part of ncursesxx library |
| 3 |
* Copyright (c) 2003,2004 by Stanislav Ievlev |
| 4 |
* |
| 5 |
* This file is covered by the GNU Library General Public License, |
| 6 |
* which should be included with libncursesxx as the file COPYING. |
| 7 |
*/ |
| 8 |
#include <ncurses/panel.hh> |
| 9 |
|
| 10 |
#include <algorithm> |
| 11 |
#include <functional> |
| 12 |
#include <stdexcept> |
| 13 |
|
| 14 |
#include <iostream> |
| 15 |
|
| 16 |
/* not using namespace, because curses already have struct with name panel */ |
| 17 |
ncurses::panel::panel (panel *parent) |
| 18 |
: window () |
| 19 |
, panel_ (0) |
| 20 |
, parent_ (parent) |
| 21 |
{ |
| 22 |
/* create panel object */ |
| 23 |
panel_ = new_panel (win ()); |
| 24 |
if (!panel_) |
| 25 |
throw std::runtime_error ("new_panel failed"); |
| 26 |
if (parent_) |
| 27 |
{ |
| 28 |
move_panel (panel_, parent_->y (), parent_->x ()); /* move to default position relative to father */ |
| 29 |
parent_->add_child (this); /* append itself to the father */ |
| 30 |
} |
| 31 |
hide (); /* hide widget by default */ |
| 32 |
} |
| 33 |
|
| 34 |
ncurses::panel::~panel () |
| 35 |
{ |
| 36 |
if (parent_) |
| 37 |
parent_->del_child (this); /* remove child from the parent's list */ |
| 38 |
del_panel (panel_); |
| 39 |
} |
| 40 |
|
| 41 |
void |
| 42 |
ncurses::panel::add_child (panel *item) |
| 43 |
{ |
| 44 |
childs_.push_back (item); /* append a new child to the list */ |
| 45 |
} |
| 46 |
|
| 47 |
void |
| 48 |
ncurses::panel::del_child (panel *item) |
| 49 |
{ |
| 50 |
childs_.erase (std::remove (childs_.begin (), |
| 51 |
childs_.end (), |
| 52 |
item), childs_.end ()); |
| 53 |
} |
| 54 |
|
| 55 |
void |
| 56 |
ncurses::panel::top () |
| 57 |
{ |
| 58 |
if (hidden ()) |
| 59 |
return; /* we should skip this function if panel hidden */ |
| 60 |
return_unless (::top_panel (panel_) == OK); |
| 61 |
foreach (panel *p, childs_) |
| 62 |
p->top (); |
| 63 |
} |
| 64 |
|
| 65 |
void |
| 66 |
ncurses::panel::bottom () |
| 67 |
{ |
| 68 |
if (hidden ()) |
| 69 |
return; /* we should skip this function if panel hidden */ |
| 70 |
return_unless (::bottom_panel (panel_) == OK); |
| 71 |
foreach (panel *p, childs_) |
| 72 |
p->bottom (); |
| 73 |
} |
| 74 |
|
| 75 |
void |
| 76 |
ncurses::panel::show () |
| 77 |
{ |
| 78 |
/* we should skip this function if panel already visible */ |
| 79 |
if (hidden ()) |
| 80 |
return_unless (::show_panel (panel_) == OK); |
| 81 |
foreach (panel *p, childs_) |
| 82 |
p->show (); |
| 83 |
} |
| 84 |
|
| 85 |
void |
| 86 |
ncurses::panel::hide () |
| 87 |
{ |
| 88 |
/* we should skip this function if panel already hidden */ |
| 89 |
if (!hidden ()) |
| 90 |
return_unless (::hide_panel (panel_) == OK); |
| 91 |
foreach (panel *p, childs_) |
| 92 |
p->hide (); |
| 93 |
} |
| 94 |
|
| 95 |
bool |
| 96 |
ncurses::panel::hidden () const |
| 97 |
{ |
| 98 |
return ::panel_hidden (panel_) == TRUE; |
| 99 |
} |
| 100 |
|
| 101 |
bool |
| 102 |
ncurses::panel::higher (panel const &other) const |
| 103 |
{ |
| 104 |
PANEL *below = panel_; |
| 105 |
|
| 106 |
while ((below = panel_below (below)) != 0) |
| 107 |
if (below == other.panel_) |
| 108 |
return true; |
| 109 |
return false; |
| 110 |
} |
| 111 |
|
| 112 |
void |
| 113 |
ncurses::panel::draw () |
| 114 |
{ |
| 115 |
} |
| 116 |
|
| 117 |
void |
| 118 |
ncurses::panel::prepare (bool recursive) |
| 119 |
{ |
| 120 |
draw (); |
| 121 |
if (recursive) |
| 122 |
foreach (panel *child, childs_) |
| 123 |
child->prepare (); |
| 124 |
} |
| 125 |
|
| 126 |
void |
| 127 |
ncurses::panel::visualize (bool recursive) |
| 128 |
{ |
| 129 |
prepare (recursive); |
| 130 |
show (); |
| 131 |
} |
| 132 |
|
| 133 |
void |
| 134 |
ncurses::panel::move (int new_x, int new_y, coords_type type) |
| 135 |
{ |
| 136 |
/* save difference */ |
| 137 |
int const diffx = new_x - x (); |
| 138 |
int const diffy = new_y - y (); |
| 139 |
bool const abs_type = type == absolute || type == rel_parent; |
| 140 |
|
| 141 |
if (type == rel_parent && parent ()) |
| 142 |
{ |
| 143 |
new_x += parent ()->x (); |
| 144 |
new_y += parent ()->y (); |
| 145 |
} |
| 146 |
|
| 147 |
move_panel ( panel_ |
| 148 |
, abs_type ? new_y : y () + new_y |
| 149 |
, abs_type ? new_x : x () + new_x |
| 150 |
); |
| 151 |
|
| 152 |
/* childs_ always moving in relative coordinates */ |
| 153 |
foreach (panel *p, childs_) |
| 154 |
p->move (abs_type ? diffx : new_x, abs_type ? diffy : new_y); |
| 155 |
} |