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[STR New]
Link: http://www.fltk.org/str.php?L2304
Version: 1.3-current
When a scrolled panel is over 32767 pixels high (1310 items in example
code), you get large areas which are greyed out. This appears to be due
to a 16 bit signed short limit somewhere in the code.
Fails under Linux, works under Windows.
Link: http://www.fltk.org/str.php?L2304
Version: 1.3-current
#include <iostream>
#include <FL/Fl.h>
#include <FL/Fl_Double_Window.h>
#include <FL/Fl_Button.h>
#include <FL/Fl_Return_Button.h>
#include <string>
#include <vector>
#include <FL/Fl_Box.h>
#include <FL/Fl_Double_Window.h>
#include <FL/Fl_Scroll.h>
using namespace std;
string dItoa(int value)
{
string buf;
for(; value; value/=10)
buf= "0123456789"[value % 10] + buf;
return buf;
}
// -----
class GameTable : public Fl_Scroll
{
public:
GameTable(int);
~GameTable();
protected:
void cursor(int);
int handle(int ev);
private:
vector<Fl_Box *> games;
vector<string> titles;
Fl_Group cells;
int cursor_;
};
// -----
class GameSelect : public Fl_Double_Window
{
public:
GameSelect(int);
virtual ~GameSelect();
void show_modal();
private:
GameTable gtable;
Fl_Button cancel;
Fl_Return_Button select;
static void select_cb(Fl_Widget*, void *);
static GameSelect *here;
};
// -----
GameTable::GameTable(int size)
: Fl_Scroll(25, 15, 177, 250),
cells(25, 15, 160, size * 25)
{
type(VERTICAL);
box(FL_BORDER_BOX);
begin();
cells.begin();
cells.color(FL_WHITE);
cells.box(FL_BORDER_BOX);
int yy= 15;
for ( int gamecount=0; gamecount<size; ++gamecount )
{
titles.push_back( "game " + dItoa(gamecount) );
games.push_back( new Fl_Box(25,yy,160,25,titles.back().c_str() ) );
games.back()->box(FL_BORDER_BOX);
games.back()->color(FL_WHITE);
yy+= 25;
}
cells.end();
end();
cursor_= 0;
cursor(0);
}
GameTable::~GameTable()
{}
void GameTable::cursor(int newpos)
{
cout << newpos << ": " << games[newpos]->label() << endl;
games[cursor_]->color(FL_WHITE);
games[cursor_]->redraw();
cursor_= newpos;
games[cursor_]->color(FL_CYAN);
games[cursor_]->redraw();
if ( (cursor_ + 1) * 25 - 250 > yposition() ) // cursor after last line
scroll_to(0, (cursor_ + 1) * 25 - 250);
if ( (cursor_) * 25 < yposition() ) // cursor before first line
scroll_to(0, (cursor_) * 25);
}
int GameTable::handle(int ev)
{
switch ( ev )
{
case FL_PUSH:
if
( Fl::event_button() == FL_LEFT_MOUSE
&& Fl::event_inside(25, 15, 160, 250)
)
{
cursor( (Fl::event_y()+yposition()-10 )/25);
return 1;
}
case FL_KEYDOWN: case FL_SHORTCUT:
if ( Fl::event_key(FL_Up) )
{
if ( cursor_ != 0 )
cursor(cursor_ - 1 );
else
cursor(games.size() - 1);
}
else if ( Fl::event_key(FL_Down) )
{
if ( cursor_ != (int)games.size() - 1 )
cursor(cursor_ + 1 );
else
cursor(0);
}
}
if
( Fl::event_inside(25, 15, 177, 250) )
return Fl_Scroll::handle(ev);
else
return 0;
}
// -----
GameSelect *GameSelect::here;
GameSelect::GameSelect(int size)
: Fl_Double_Window(227,315,"Select Game"),
gtable(size),
cancel(120, 285, 100, 35, "Cancel"),
select(10, 285, 100, 35, "Select")
{
here= this;
cancel.callback(select_cb,0);
select.callback(select_cb,0);
}
GameSelect::~GameSelect()
{}
void GameSelect::select_cb(Fl_Widget*, void *)
{
here->hide();
}
void GameSelect::show_modal()
{
set_modal();
show();
do { Fl::wait(1.0); }
while ( shown() );
};
///////////////////
int main()
{
GameSelect s(1350);
s.show_modal();
}
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