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/*
$Id: selection_list.cpp,v 1.29 2001/12/16 19:18:08 mbn Exp $
ClanGUI, copyrights by various people. Have a look in the CREDITS file.
This sourcecode is distributed using the Library GNU Public Licence,
version 2 or (at your option) any later version. Please read LICENSE
for details.
*/
#include "precomp.h"
#include "API/Core/Input/input.h"
#include "API/Core/Font/font.h"
#include "API/GUI/gui_manager.h"
#include "API/GUI/scrollbar.h"
#include "selection_list.h"
#define SELECTIONLIST_DEFAULT_MAX_HEIGHT 5
CL_SelectionList::CL_SelectionList(
const CL_ComponentOptions &options,
CL_Component *parent,
CL_StyleManager_Default *style,
CL_Font *_font,
const std::list<std::string> &_selection_list) : CL_Component(style,parent)
{
this->style = style;
selection_list = _selection_list;
font = _font;
highlighted_option = -1;
int x, y, width, height;
x = options.get_value_as_int("x");
y = options.get_value_as_int("y");
width = options.get_value_as_int("width");
max_height = SELECTIONLIST_DEFAULT_MAX_HEIGHT;
if (options.exists("height"))
max_height = options.get_value_as_int("height");
if (max_height > selection_list.size())
max_height = selection_list.size();
if (options.exists("value"))
highlighted_option = options.get_value_as_int("value");
height = font->get_height()*max_height;
set_position(CL_Rect(x, y, x + width, y + height));
slots.add_slot(sig_key_down().connect(this, &CL_SelectionList::on_key_down));
slots.add_slot(sig_mouse_moved().connect(this, &CL_SelectionList::on_mouse_move));
slots.add_slot(sig_paint().connect(this, &CL_SelectionList::on_paint));
slots.add_slot(sig_lost_focus().connect(this, &CL_SelectionList::cancel));
scrollbar = NULL;
has_scrollbar = false;
scroll_offset = 0;
if (selection_list.size() > max_height)
{
has_scrollbar = true;
CL_ComponentOptions s_options;
#ifdef BORLAND
s_options.options.insert(std::make_pair(std::string("orientation"), std::string("ver")));
s_options.options.insert(std::make_pair(std::string("x"), std::string(CL_String(get_width()-17))));
s_options.options.insert(std::make_pair(std::string("y"), std::string("1")));
s_options.options.insert(std::make_pair(std::string("height"), std::string(CL_String(get_height()-2))));
s_options.options.insert(std::make_pair(std::string("range"), std::string(CL_String(int(selection_list.size()-max_height)))));
s_options.options.insert(std::make_pair(std::string("scroller_size"), std::string("16")));
if (highlighted_option != -1)
{
s_options.options.insert(std::make_pair(std::string("value"), std::string(CL_String(highlighted_option))));
}
#else
s_options.options.insert(std::make_pair<std::string const, std::string>("orientation", "ver"));
s_options.options.insert(std::make_pair<std::string const, std::string>("x", CL_String(get_width()-17)));
s_options.options.insert(std::make_pair<std::string const, std::string>("y", "1"));
s_options.options.insert(std::make_pair<std::string const, std::string>("height", CL_String(get_height()-2)));
s_options.options.insert(std::make_pair<std::string const, std::string>("range", CL_String(int(selection_list.size()-max_height))));
s_options.options.insert(std::make_pair<std::string const, std::string>("scroller_size", "16"));
if (highlighted_option != -1)
{
s_options.options.insert(std::make_pair<std::string const, std::string>("value", CL_String(highlighted_option)));
}
#endif
scrollbar = CL_ScrollBar::create(s_options, this, style);
slots.add_slot(scrollbar->sig_scrolled.connect(this, &CL_SelectionList::on_scroll_change));
add_child(scrollbar, true);
scroll_offset = scrollbar->get_cur_position();
}
}
void CL_SelectionList::on_paint()
{
// int height = font->get_height() * min(selection_list.size(), max_height);
style->draw_line(0, 0, get_width()-1, 0, GUICOL_DARK_OUTLINE);
style->draw_line(0, get_height()-1, get_width()-1, get_height()-1, GUICOL_DARK_OUTLINE);
style->draw_line(0, 0, 0, get_height()-1, GUICOL_DARK_OUTLINE);
style->draw_line(get_width()-1, 0, get_width()-1, get_height()-1, GUICOL_DARK_OUTLINE);
style->fill_rect(1, 1, get_width()-1, get_height()-1, GUICOL_TEXT_BG);
int pos = 0;
std::list<std::string>::iterator it = selection_list.begin();
for (;it!=selection_list.end();it++)
{
if (pos < scroll_offset)
{
pos++;
continue;
}
if (pos == highlighted_option)
{
style->fill_rect(
1,
1+(pos-scroll_offset)*font->get_height(),
get_width()-1,
1+(pos+1-scroll_offset)*font->get_height(),
GUICOL_SELECTION);
}
font->print_left(4, 1+(pos-scroll_offset)*font->get_height(), (*it).c_str());
pos++;
}
}
void CL_SelectionList::cancel()
{
sig_cancelled();
close();
// get_gui_manager()->remove_component(this);
}
void CL_SelectionList::on_key_down(CL_Component *comp, CL_InputDevice *device, CL_Key key)
{
if (device != CL_Input::pointers[0] || key.id != 0) return;
if (has_scrollbar && key.x >= get_width()-scrollbar->get_width()) return;
if(has_focus())
{
sig_activated(highlighted_option);
close();
// get_gui_manager()->remove_component(this);
}
else
{
// get_gui_manager()->remove_component(this);
cancel();
}
}
void CL_SelectionList::on_mouse_move(CL_Component *comp, CL_InputDevice *device, int x, int y)
{
if (has_scrollbar && x >= get_width()-scrollbar->get_width())
return;
highlighted_option = y / font->get_height()+scroll_offset;
}
void CL_SelectionList::on_scroll_change(int new_offset)
{
scroll_offset = new_offset;
}
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