1923 lines
41 KiB
C++
1923 lines
41 KiB
C++
/************************************************************************
|
|
* flistbox.cpp - Widget FListBox and FListBoxItem *
|
|
* *
|
|
* This file is part of the Final Cut widget toolkit *
|
|
* *
|
|
* Copyright 2014-2017 Markus Gans *
|
|
* *
|
|
* The Final Cut is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 3 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* The Final Cut is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
|
|
************************************************************************/
|
|
|
|
#include <algorithm>
|
|
|
|
#include "final/fapplication.h"
|
|
#include "final/flistbox.h"
|
|
#include "final/fscrollbar.h"
|
|
#include "final/fstatusbar.h"
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// class FListBoxItem
|
|
//----------------------------------------------------------------------
|
|
|
|
// constructor and destructor
|
|
//----------------------------------------------------------------------
|
|
FListBoxItem::FListBoxItem()
|
|
: text()
|
|
, data_pointer(0)
|
|
, brackets(fc::NoBrackets)
|
|
, selected(false)
|
|
{ }
|
|
|
|
//----------------------------------------------------------------------
|
|
FListBoxItem::FListBoxItem (const FListBoxItem& item)
|
|
: text(item.text)
|
|
, data_pointer(item.data_pointer)
|
|
, brackets(item.brackets)
|
|
, selected(item.selected)
|
|
{ }
|
|
|
|
//----------------------------------------------------------------------
|
|
FListBoxItem::FListBoxItem (const FString& txt, FWidget::data_ptr data)
|
|
: text(txt)
|
|
, data_pointer(data)
|
|
, brackets(fc::NoBrackets)
|
|
, selected(false)
|
|
{ }
|
|
|
|
//----------------------------------------------------------------------
|
|
FListBoxItem::~FListBoxItem() // destructor
|
|
{ }
|
|
|
|
// public methods of FListBoxItem
|
|
//----------------------------------------------------------------------
|
|
FListBoxItem& FListBoxItem::operator = (const FListBoxItem& item)
|
|
{
|
|
if ( &item == this )
|
|
{
|
|
return *this;
|
|
}
|
|
else
|
|
{
|
|
text = item.text;
|
|
data_pointer = item.data_pointer;
|
|
brackets = item.brackets;
|
|
selected = item.selected;
|
|
return *this;
|
|
}
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// class FListBox
|
|
//----------------------------------------------------------------------
|
|
|
|
// constructor and destructor
|
|
//----------------------------------------------------------------------
|
|
FListBox::FListBox (FWidget* parent)
|
|
: FWidget(parent)
|
|
, convertToItem(0)
|
|
, itemlist()
|
|
, source_container(0)
|
|
, conv_type(FListBox::no_convert)
|
|
, vbar(0)
|
|
, hbar(0)
|
|
, text()
|
|
, inc_search()
|
|
, multi_select(false)
|
|
, mouse_select(false)
|
|
, drag_scroll(fc::noScroll)
|
|
, scroll_timer(false)
|
|
, scroll_repeat(100)
|
|
, scroll_distance(1)
|
|
, current(0)
|
|
, last_current(-1)
|
|
, secect_from_item(-1)
|
|
, xoffset(0)
|
|
, yoffset(0)
|
|
, last_yoffset(-1)
|
|
, nf_offset(0)
|
|
, max_line_width(0)
|
|
{
|
|
init();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
FListBox::~FListBox() // destructor
|
|
{
|
|
delOwnTimer();
|
|
delete vbar;
|
|
delete hbar;
|
|
}
|
|
|
|
|
|
// public methods of FListBox
|
|
//----------------------------------------------------------------------
|
|
void FListBox::setCurrentItem (int index)
|
|
{
|
|
int element_count;
|
|
|
|
if ( index == current )
|
|
return;
|
|
|
|
element_count = int(getCount());
|
|
|
|
if ( index > element_count )
|
|
current = element_count;
|
|
else if ( index < 1 )
|
|
current = 1;
|
|
else
|
|
current = index;
|
|
|
|
xoffset = 0;
|
|
yoffset = 0;
|
|
adjustSize();
|
|
vbar->setValue(yoffset);
|
|
|
|
if ( isVisible() )
|
|
redraw();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::setCurrentItem (listBoxItems::iterator iter)
|
|
{
|
|
int index = int(std::distance(itemlist.begin(), iter) + 1);
|
|
setCurrentItem(index);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::showInsideBrackets ( int index
|
|
, fc::brackets_type b )
|
|
{
|
|
listBoxItems::iterator iter = index2iterator(index - 1);
|
|
iter->brackets = b;
|
|
|
|
if ( b == fc::NoBrackets )
|
|
return;
|
|
|
|
int len = int(iter->getText().getLength() + 2);
|
|
|
|
if ( len > max_line_width )
|
|
{
|
|
max_line_width = len;
|
|
|
|
if ( len >= getWidth() - nf_offset - 3 )
|
|
{
|
|
hbar->setMaximum (max_line_width - getWidth() + nf_offset + 4);
|
|
hbar->setPageSize (max_line_width, getWidth() - nf_offset - 4);
|
|
hbar->setValue (xoffset);
|
|
|
|
if ( ! hbar->isVisible() )
|
|
hbar->setVisible();
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::setGeometry (int x, int y, int w, int h, bool adjust)
|
|
{
|
|
// Set the widget geometry
|
|
|
|
FWidget::setGeometry(x, y, w, h, adjust);
|
|
|
|
if ( isNewFont() )
|
|
{
|
|
vbar->setGeometry (getWidth(), 2, 2, getHeight() - 2);
|
|
hbar->setGeometry (1, getHeight(), getWidth() - 2, 1);
|
|
}
|
|
else
|
|
{
|
|
vbar->setGeometry (getWidth(), 2, 1, getHeight() - 2);
|
|
hbar->setGeometry (2, getHeight(), getWidth() - 2, 1);
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
bool FListBox::setFocus (bool on)
|
|
{
|
|
FWidget::setFocus(on);
|
|
|
|
if ( on )
|
|
{
|
|
if ( getStatusBar() )
|
|
{
|
|
const FString& msg = getStatusbarMessage();
|
|
const FString& curMsg = getStatusBar()->getMessage();
|
|
|
|
if ( curMsg != msg )
|
|
getStatusBar()->setMessage(msg);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( getStatusBar() )
|
|
getStatusBar()->clearMessage();
|
|
}
|
|
|
|
return on;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::setText (const FString& txt)
|
|
{
|
|
text = txt;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::hide()
|
|
{
|
|
int n, size;
|
|
short fg, bg;
|
|
char* blank;
|
|
FWidget* parent_widget = getParentWidget();
|
|
|
|
FWidget::hide();
|
|
|
|
if ( parent_widget )
|
|
{
|
|
fg = parent_widget->getForegroundColor();
|
|
bg = parent_widget->getBackgroundColor();
|
|
}
|
|
else
|
|
{
|
|
fg = wc.dialog_fg;
|
|
bg = wc.dialog_bg;
|
|
}
|
|
|
|
setColor (fg, bg);
|
|
n = isNewFont() ? 1 : 0;
|
|
size = getWidth() + n;
|
|
|
|
if ( size < 0 )
|
|
return;
|
|
|
|
try
|
|
{
|
|
blank = new char[size + 1];
|
|
}
|
|
catch (const std::bad_alloc& ex)
|
|
{
|
|
std::cerr << "not enough memory to alloc " << ex.what() << std::endl;
|
|
return;
|
|
}
|
|
|
|
std::memset (blank, ' ', uLong(size));
|
|
blank[size] = '\0';
|
|
|
|
for (int y = 0; y < getHeight(); y++)
|
|
{
|
|
setPrintPos (1, 1 + y);
|
|
print (blank);
|
|
}
|
|
|
|
delete[] blank;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::insert (FListBoxItem listItem)
|
|
{
|
|
int len = int(listItem.text.getLength());
|
|
bool has_brackets = bool(listItem.brackets);
|
|
recalculateHorizontalBar (len, has_brackets);
|
|
|
|
itemlist.push_back (listItem);
|
|
|
|
int element_count = int(getCount());
|
|
recalculateVerticalBar (element_count);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::insert ( const FString& item
|
|
, fc::brackets_type b
|
|
, bool s
|
|
, data_ptr d )
|
|
{
|
|
FListBoxItem listItem (item, d);
|
|
listItem.brackets = b;
|
|
listItem.selected = s;
|
|
insert (listItem);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::insert ( long item
|
|
, fc::brackets_type b
|
|
, bool s
|
|
, data_ptr d )
|
|
{
|
|
insert (FString() << item, b, s, d);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::remove (int item)
|
|
{
|
|
int element_count;
|
|
|
|
if ( int(getCount()) < item )
|
|
return;
|
|
|
|
itemlist.erase (itemlist.begin() + item - 1);
|
|
element_count = int(getCount());
|
|
max_line_width = 0;
|
|
|
|
listBoxItems::iterator iter = itemlist.begin();
|
|
|
|
while ( iter != itemlist.end() )
|
|
{
|
|
int len = int(iter->getText().getLength());
|
|
|
|
if ( len > max_line_width )
|
|
max_line_width = len;
|
|
|
|
++iter;
|
|
}
|
|
|
|
hbar->setMaximum (max_line_width - getWidth() + nf_offset + 4);
|
|
hbar->setPageSize (max_line_width, getWidth() - nf_offset - 4);
|
|
|
|
if ( hbar->isVisible() && max_line_width < getWidth() - nf_offset - 3 )
|
|
hbar->hide();
|
|
|
|
vbar->setMaximum (element_count - getHeight() + 2);
|
|
vbar->setPageSize (element_count, getHeight() - 2);
|
|
|
|
if ( vbar->isVisible() && element_count < getHeight() - 1 )
|
|
vbar->hide();
|
|
|
|
if ( current >= item && current > 1 )
|
|
current--;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
if ( yoffset > element_count - getHeight() + 2 )
|
|
yoffset = element_count - getHeight() + 2;
|
|
|
|
if ( yoffset < 0 )
|
|
yoffset = 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::clear()
|
|
{
|
|
int size;
|
|
char* blank;
|
|
|
|
itemlist.clear();
|
|
|
|
current = 0;
|
|
xoffset = 0;
|
|
yoffset = 0;
|
|
max_line_width = 0;
|
|
last_current = -1;
|
|
last_yoffset = -1;
|
|
|
|
vbar->setMinimum(0);
|
|
vbar->setValue(0);
|
|
vbar->hide();
|
|
|
|
hbar->setMinimum(0);
|
|
hbar->setValue(0);
|
|
hbar->hide();
|
|
|
|
// clear list from screen
|
|
setColor (wc.list_fg, wc.list_bg);
|
|
size = getWidth() - 2;
|
|
|
|
if ( size < 0 )
|
|
return;
|
|
|
|
try
|
|
{
|
|
blank = new char[size + 1];
|
|
}
|
|
catch (const std::bad_alloc& ex)
|
|
{
|
|
std::cerr << "not enough memory to alloc " << ex.what() << std::endl;
|
|
return;
|
|
}
|
|
|
|
std::memset (blank, ' ', uLong(size));
|
|
blank[size] = '\0';
|
|
|
|
for (int y = 0; y < getHeight() - 2; y++)
|
|
{
|
|
setPrintPos (2, 2 + y);
|
|
print (blank);
|
|
}
|
|
|
|
delete[] blank;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onKeyPress (FKeyEvent* ev)
|
|
{
|
|
static const int padding_space = 2; // 1 leading space + 1 tailing space
|
|
int element_count = int(getCount())
|
|
, current_before = current
|
|
, xoffset_before = xoffset
|
|
, xoffset_end = max_line_width - getClientWidth() + padding_space
|
|
, yoffset_before = yoffset
|
|
, yoffset_end = element_count - getClientHeight()
|
|
, pagesize = getClientHeight() - 1
|
|
, key = ev->key();
|
|
|
|
switch ( key )
|
|
{
|
|
case fc::Fkey_return:
|
|
case fc::Fkey_enter:
|
|
processClick();
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_up:
|
|
current--;
|
|
|
|
if ( current < 1 )
|
|
current = 1;
|
|
|
|
if ( current <= yoffset )
|
|
yoffset--;
|
|
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_down:
|
|
current++;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
if ( current - yoffset > getClientHeight() )
|
|
yoffset++;
|
|
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_left:
|
|
xoffset--;
|
|
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_right:
|
|
xoffset++;
|
|
|
|
if ( xoffset > xoffset_end )
|
|
xoffset = xoffset_end;
|
|
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_ppage:
|
|
current -= pagesize;
|
|
|
|
if ( current < 1 )
|
|
current = 1;
|
|
|
|
if ( current <= yoffset )
|
|
{
|
|
yoffset -= pagesize;
|
|
|
|
if ( yoffset < 0 )
|
|
yoffset = 0;
|
|
}
|
|
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_npage:
|
|
current += pagesize;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
if ( current - yoffset > getClientHeight() )
|
|
{
|
|
yoffset += pagesize;
|
|
|
|
if ( yoffset > yoffset_end )
|
|
yoffset = yoffset_end;
|
|
}
|
|
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_home:
|
|
current = 1;
|
|
yoffset = 0;
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_end:
|
|
current = element_count;
|
|
|
|
if ( current > getClientHeight() )
|
|
yoffset = yoffset_end;
|
|
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_ic: // insert key
|
|
if ( isMultiSelection() )
|
|
{
|
|
if ( isSelected(current) )
|
|
unselectItem(current);
|
|
else
|
|
selectItem(current);
|
|
|
|
processSelect();
|
|
current++;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
if ( current - yoffset >= getHeight() - 1 )
|
|
yoffset++;
|
|
|
|
ev->accept();
|
|
}
|
|
|
|
inc_search.clear();
|
|
break;
|
|
|
|
case fc::Fkey_space:
|
|
{
|
|
uInt inc_len = inc_search.getLength();
|
|
|
|
if ( inc_len > 0 )
|
|
{
|
|
inc_search += L' ';
|
|
bool inc_found = false;
|
|
listBoxItems::iterator iter = itemlist.begin();
|
|
|
|
while ( iter != itemlist.end() )
|
|
{
|
|
if ( ! inc_found
|
|
&& inc_search.toLower()
|
|
== iter->getText().left(inc_len + 1).toLower() )
|
|
{
|
|
setCurrentItem(iter);
|
|
inc_found = true;
|
|
break;
|
|
}
|
|
|
|
++iter;
|
|
}
|
|
|
|
if ( ! inc_found )
|
|
{
|
|
inc_search.remove(inc_len, 1);
|
|
ev->ignore();
|
|
}
|
|
else
|
|
ev->accept();
|
|
}
|
|
else if ( isMultiSelection() )
|
|
{
|
|
if ( isSelected(current) )
|
|
unselectItem(current);
|
|
else
|
|
selectItem(current);
|
|
|
|
processSelect();
|
|
inc_search.clear();
|
|
ev->accept();
|
|
}
|
|
}
|
|
break;
|
|
|
|
case fc::Fkey_erase:
|
|
case fc::Fkey_backspace:
|
|
{
|
|
uInt inc_len = inc_search.getLength();
|
|
|
|
if ( inc_len > 0 )
|
|
{
|
|
inc_search.remove(inc_len - 1, 1);
|
|
|
|
if ( inc_len > 1 )
|
|
{
|
|
listBoxItems::iterator iter = itemlist.begin();
|
|
|
|
while ( iter != itemlist.end() )
|
|
{
|
|
if ( inc_search.toLower()
|
|
== iter->getText().left(inc_len - 1).toLower() )
|
|
{
|
|
setCurrentItem(iter);
|
|
break;
|
|
}
|
|
|
|
++iter;
|
|
}
|
|
}
|
|
|
|
ev->accept();
|
|
}
|
|
else
|
|
ev->ignore();
|
|
}
|
|
break;
|
|
|
|
case fc::Fkey_escape:
|
|
case fc::Fkey_escape_mintty:
|
|
if ( inc_search.getLength() > 0 )
|
|
{
|
|
inc_search.clear();
|
|
ev->accept();
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if ( key > 0x20 && key <= 0x10fff )
|
|
{
|
|
// incremental search
|
|
if ( inc_search.getLength() == 0 )
|
|
inc_search = wchar_t(key);
|
|
else
|
|
inc_search += wchar_t(key);
|
|
|
|
uInt inc_len = inc_search.getLength();
|
|
bool inc_found = false;
|
|
listBoxItems::iterator iter = itemlist.begin();
|
|
|
|
while ( iter != itemlist.end() )
|
|
{
|
|
if ( ! inc_found
|
|
&& inc_search.toLower()
|
|
== iter->getText().left(inc_len).toLower() )
|
|
{
|
|
setCurrentItem(iter);
|
|
inc_found = true;
|
|
break;
|
|
}
|
|
|
|
++iter;
|
|
}
|
|
|
|
if ( ! inc_found )
|
|
{
|
|
inc_search.remove(inc_len - 1, 1);
|
|
|
|
if ( inc_len == 1 )
|
|
ev->ignore();
|
|
else
|
|
ev->accept();
|
|
}
|
|
else
|
|
ev->accept();
|
|
}
|
|
else
|
|
ev->ignore();
|
|
}
|
|
|
|
if ( current_before != current )
|
|
{
|
|
processChanged();
|
|
|
|
if ( ! isMultiSelection() )
|
|
processSelect();
|
|
}
|
|
|
|
if ( ev->isAccepted() )
|
|
{
|
|
if ( isVisible() )
|
|
drawList();
|
|
|
|
vbar->setValue (yoffset);
|
|
|
|
if ( vbar->isVisible() && yoffset_before != yoffset )
|
|
vbar->drawBar();
|
|
|
|
hbar->setValue (xoffset);
|
|
|
|
if ( hbar->isVisible() && xoffset_before != xoffset )
|
|
hbar->drawBar();
|
|
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onMouseDown (FMouseEvent* ev)
|
|
{
|
|
int yoffset_before
|
|
, mouse_x
|
|
, mouse_y;
|
|
|
|
if ( ev->getButton() != fc::LeftButton
|
|
&& ev->getButton() != fc::RightButton )
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ( ev->getButton() == fc::RightButton && ! isMultiSelection() )
|
|
return;
|
|
|
|
if ( ! hasFocus() )
|
|
{
|
|
FWidget* focused_widget = getFocusWidget();
|
|
FFocusEvent out (fc::FocusOut_Event);
|
|
FApplication::queueEvent(focused_widget, &out);
|
|
setFocus();
|
|
|
|
if ( focused_widget )
|
|
focused_widget->redraw();
|
|
|
|
if ( getStatusBar() )
|
|
getStatusBar()->drawMessage();
|
|
}
|
|
|
|
yoffset_before = yoffset;
|
|
mouse_x = ev->getX();
|
|
mouse_y = ev->getY();
|
|
|
|
if ( mouse_x > 1 && mouse_x < getWidth()
|
|
&& mouse_y > 1 && mouse_y < getHeight() )
|
|
{
|
|
current = yoffset + mouse_y - 1;
|
|
|
|
if ( current > int(getCount()) )
|
|
current = int(getCount());
|
|
inc_search.clear();
|
|
|
|
if ( ev->getButton() == fc::RightButton )
|
|
{
|
|
if ( isMultiSelection() )
|
|
{
|
|
if ( isSelected(current) )
|
|
{
|
|
mouse_select = false;
|
|
unselectItem(current);
|
|
}
|
|
else
|
|
{
|
|
mouse_select = true;
|
|
selectItem(current);
|
|
}
|
|
|
|
processSelect();
|
|
secect_from_item = current;
|
|
}
|
|
}
|
|
|
|
if ( isVisible() )
|
|
drawList();
|
|
|
|
vbar->setValue (yoffset);
|
|
|
|
if ( vbar->isVisible() && yoffset_before != yoffset )
|
|
vbar->drawBar();
|
|
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onMouseUp (FMouseEvent* ev)
|
|
{
|
|
if ( drag_scroll != fc::noScroll )
|
|
{
|
|
delOwnTimer();
|
|
drag_scroll = fc::noScroll;
|
|
scroll_distance = 1;
|
|
scroll_timer = false;
|
|
}
|
|
|
|
if ( ev->getButton() == fc::LeftButton )
|
|
{
|
|
int mouse_x = ev->getX();
|
|
int mouse_y = ev->getY();
|
|
|
|
if ( mouse_x > 1 && mouse_x < getWidth()
|
|
&& mouse_y > 1 && mouse_y < getHeight() )
|
|
{
|
|
processChanged();
|
|
|
|
if ( ! isMultiSelection() )
|
|
processSelect();
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onMouseMove (FMouseEvent* ev)
|
|
{
|
|
int current_before
|
|
, yoffset_before
|
|
, mouse_x
|
|
, mouse_y;
|
|
|
|
if ( ev->getButton() != fc::LeftButton
|
|
&& ev->getButton() != fc::RightButton )
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ( ev->getButton() == fc::RightButton && ! isMultiSelection() )
|
|
return;
|
|
|
|
current_before = current;
|
|
yoffset_before = yoffset;
|
|
mouse_x = ev->getX();
|
|
mouse_y = ev->getY();
|
|
|
|
if ( mouse_x > 1 && mouse_x < getWidth()
|
|
&& mouse_y > 1 && mouse_y < getHeight() )
|
|
{
|
|
current = yoffset + mouse_y - 1;
|
|
|
|
if ( current > int(getCount()) )
|
|
current = int(getCount());
|
|
|
|
inc_search.clear();
|
|
|
|
// handle multiple selections
|
|
if ( ev->getButton() == fc::RightButton
|
|
&& isMultiSelection()
|
|
&& current_before != current )
|
|
{
|
|
int from, to;
|
|
|
|
if ( secect_from_item > current )
|
|
{
|
|
from = current;
|
|
to = secect_from_item - 1;
|
|
}
|
|
else
|
|
{
|
|
from = secect_from_item + 1;
|
|
to = current;
|
|
}
|
|
for (int i = from; i <= to; i++)
|
|
{
|
|
if ( mouse_select )
|
|
{
|
|
selectItem(i);
|
|
processSelect();
|
|
}
|
|
else
|
|
{
|
|
unselectItem(i);
|
|
processSelect();
|
|
}
|
|
}
|
|
|
|
secect_from_item = current;
|
|
}
|
|
|
|
if ( isVisible() )
|
|
drawList();
|
|
|
|
vbar->setValue (yoffset);
|
|
|
|
if ( vbar->isVisible() && yoffset_before != yoffset )
|
|
vbar->drawBar();
|
|
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
|
|
// auto-scrolling when dragging mouse outside the widget
|
|
if ( mouse_y < 2 )
|
|
{
|
|
// drag up
|
|
if ( drag_scroll != fc::noScroll
|
|
&& scroll_distance < getClientHeight() )
|
|
scroll_distance++;
|
|
|
|
if ( ! scroll_timer && current > 1 )
|
|
{
|
|
scroll_timer = true;
|
|
addTimer(scroll_repeat);
|
|
|
|
if ( ev->getButton() == fc::RightButton )
|
|
drag_scroll = fc::scrollUpSelect;
|
|
else
|
|
drag_scroll = fc::scrollUp;
|
|
}
|
|
|
|
if ( current == 1 )
|
|
{
|
|
delOwnTimer();
|
|
drag_scroll = fc::noScroll;
|
|
}
|
|
}
|
|
else if ( mouse_y >= getHeight() )
|
|
{
|
|
// drag down
|
|
if ( drag_scroll != fc::noScroll
|
|
&& scroll_distance < getClientHeight() )
|
|
scroll_distance++;
|
|
|
|
if ( ! scroll_timer && current < int(getCount()) )
|
|
{
|
|
scroll_timer = true;
|
|
addTimer(scroll_repeat);
|
|
|
|
if ( ev->getButton() == fc::RightButton )
|
|
drag_scroll = fc::scrollDownSelect;
|
|
else
|
|
drag_scroll = fc::scrollDown;
|
|
}
|
|
|
|
if ( current == int(getCount()) )
|
|
{
|
|
delOwnTimer();
|
|
drag_scroll = fc::noScroll;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// no dragging
|
|
delOwnTimer();
|
|
scroll_timer = false;
|
|
scroll_distance = 1;
|
|
drag_scroll = fc::noScroll;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onMouseDoubleClick (FMouseEvent* ev)
|
|
{
|
|
int mouse_x, mouse_y;
|
|
|
|
if ( ev->getButton() != fc::LeftButton )
|
|
return;
|
|
|
|
mouse_x = ev->getX();
|
|
mouse_y = ev->getY();
|
|
|
|
if ( mouse_x > 1 && mouse_x < getWidth()
|
|
&& mouse_y > 1 && mouse_y < getHeight() )
|
|
{
|
|
if ( yoffset + mouse_y - 1 > int(getCount()) )
|
|
return;
|
|
|
|
processClick();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onTimer (FTimerEvent*)
|
|
{
|
|
int element_count = int(getCount())
|
|
, current_before = current
|
|
, yoffset_before = yoffset
|
|
, yoffset_end = element_count - getClientHeight();
|
|
|
|
switch ( int(drag_scroll) )
|
|
{
|
|
case fc::noScroll:
|
|
return;
|
|
|
|
case fc::scrollUp:
|
|
case fc::scrollUpSelect:
|
|
if ( current_before == 1 )
|
|
{
|
|
drag_scroll = fc::noScroll;
|
|
return;
|
|
}
|
|
|
|
current -= scroll_distance;
|
|
|
|
if ( current < 1 )
|
|
current = 1;
|
|
|
|
if ( current <= yoffset )
|
|
yoffset -= scroll_distance;
|
|
|
|
if ( yoffset < 0 )
|
|
yoffset = 0;
|
|
break;
|
|
|
|
case fc::scrollDown:
|
|
case fc::scrollDownSelect:
|
|
if ( current_before == element_count )
|
|
{
|
|
drag_scroll = fc::noScroll;
|
|
return;
|
|
}
|
|
|
|
current += scroll_distance;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
if ( current - yoffset > getClientHeight() )
|
|
yoffset += scroll_distance;
|
|
|
|
if ( yoffset > yoffset_end )
|
|
yoffset = yoffset_end;
|
|
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// handle multiple selections
|
|
if ( drag_scroll == fc::scrollUpSelect
|
|
|| drag_scroll == fc::scrollDownSelect )
|
|
{
|
|
if ( isMultiSelection() && current_before != current )
|
|
{
|
|
int from, to;
|
|
|
|
if ( secect_from_item > current )
|
|
{
|
|
from = current;
|
|
to = secect_from_item - 1;
|
|
}
|
|
else
|
|
{
|
|
from = secect_from_item + 1;
|
|
to = current;
|
|
}
|
|
|
|
for (int i = from; i <= to; i++)
|
|
{
|
|
if ( mouse_select )
|
|
{
|
|
selectItem(i);
|
|
processSelect();
|
|
}
|
|
else
|
|
{
|
|
unselectItem(i);
|
|
processSelect();
|
|
}
|
|
}
|
|
|
|
secect_from_item = current;
|
|
}
|
|
}
|
|
|
|
if ( isVisible() )
|
|
drawList();
|
|
|
|
vbar->setValue (yoffset);
|
|
|
|
if ( vbar->isVisible() && yoffset_before != yoffset )
|
|
vbar->drawBar();
|
|
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onWheel (FWheelEvent* ev)
|
|
{
|
|
int wheel
|
|
, element_count = int(getCount())
|
|
, current_before = current
|
|
, yoffset_before = yoffset
|
|
, yoffset_end = element_count - getClientHeight()
|
|
, pagesize = 4;
|
|
|
|
if ( yoffset_end < 0 )
|
|
yoffset_end = 0;
|
|
|
|
wheel = ev->getWheel();
|
|
|
|
if ( drag_scroll != fc::noScroll )
|
|
{
|
|
delOwnTimer();
|
|
scroll_timer = false;
|
|
scroll_distance = 1;
|
|
drag_scroll = fc::noScroll;
|
|
}
|
|
|
|
switch ( wheel )
|
|
{
|
|
case fc::WheelUp:
|
|
if ( yoffset == 0 )
|
|
break;
|
|
|
|
yoffset -= pagesize;
|
|
|
|
if ( yoffset < 0 )
|
|
{
|
|
current -= pagesize + yoffset;
|
|
yoffset = 0;
|
|
}
|
|
else
|
|
current -= pagesize;
|
|
|
|
if ( current < 1 )
|
|
current = 1;
|
|
|
|
inc_search.clear();
|
|
break;
|
|
|
|
case fc::WheelDown:
|
|
if ( yoffset == yoffset_end )
|
|
break;
|
|
|
|
yoffset += pagesize;
|
|
|
|
if ( yoffset > yoffset_end )
|
|
{
|
|
current += pagesize - (yoffset - yoffset_end);
|
|
yoffset = yoffset_end;
|
|
}
|
|
else
|
|
current += pagesize;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
inc_search.clear();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if ( current_before != current )
|
|
{
|
|
processChanged();
|
|
|
|
if ( ! isMultiSelection() )
|
|
processSelect();
|
|
}
|
|
|
|
if ( isVisible() )
|
|
drawList();
|
|
|
|
vbar->setValue (yoffset);
|
|
|
|
if ( vbar->isVisible() && yoffset_before != yoffset )
|
|
vbar->drawBar();
|
|
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onFocusIn (FFocusEvent*)
|
|
{
|
|
if ( getStatusBar() )
|
|
getStatusBar()->drawMessage();
|
|
|
|
inc_search.clear();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onFocusOut (FFocusEvent*)
|
|
{
|
|
if ( getStatusBar() )
|
|
{
|
|
getStatusBar()->clearMessage();
|
|
getStatusBar()->drawMessage();
|
|
}
|
|
|
|
delOwnTimer();
|
|
inc_search.clear();
|
|
}
|
|
|
|
|
|
// protected methods of FListBox
|
|
//----------------------------------------------------------------------
|
|
void FListBox::adjustYOffset()
|
|
{
|
|
int element_count = int(getCount());
|
|
|
|
if ( element_count == 0 )
|
|
return;
|
|
|
|
if ( yoffset > element_count - getClientHeight() )
|
|
yoffset = element_count - getClientHeight();
|
|
|
|
if ( yoffset < 0 )
|
|
yoffset = 0;
|
|
|
|
if ( current < yoffset )
|
|
current = yoffset;
|
|
|
|
if ( yoffset < current - getClientHeight() )
|
|
yoffset = current - getClientHeight();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::adjustSize()
|
|
{
|
|
int element_count;
|
|
FWidget::adjustSize();
|
|
adjustYOffset();
|
|
|
|
element_count = int(getCount());
|
|
vbar->setMaximum (element_count - getClientHeight());
|
|
vbar->setPageSize (element_count, getClientHeight());
|
|
vbar->setX (getWidth());
|
|
vbar->setHeight (getClientHeight(), false);
|
|
vbar->resize();
|
|
|
|
hbar->setMaximum (max_line_width - getClientWidth() + 2);
|
|
hbar->setPageSize (max_line_width, getClientWidth() - 2);
|
|
hbar->setY (getHeight());
|
|
hbar->setWidth (getClientWidth(), false);
|
|
hbar->resize();
|
|
|
|
if ( element_count <= getClientHeight() )
|
|
vbar->hide();
|
|
else
|
|
vbar->setVisible();
|
|
|
|
if ( max_line_width < getClientWidth() - 1 )
|
|
hbar->hide();
|
|
else
|
|
hbar->setVisible();
|
|
}
|
|
|
|
|
|
// private methods of FListBox
|
|
//----------------------------------------------------------------------
|
|
inline FString& FListBox::getString (listBoxItems::iterator iter)
|
|
{
|
|
return iter->getText();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::init()
|
|
{
|
|
setForegroundColor (wc.dialog_fg);
|
|
setBackgroundColor (wc.dialog_bg);
|
|
|
|
try
|
|
{
|
|
vbar = new FScrollbar(fc::vertical, this);
|
|
vbar->setMinimum(0);
|
|
vbar->setValue(0);
|
|
vbar->hide();
|
|
|
|
hbar = new FScrollbar(fc::horizontal, this);
|
|
hbar->setMinimum(0);
|
|
hbar->setValue(0);
|
|
hbar->hide();
|
|
}
|
|
catch (const std::bad_alloc& ex)
|
|
{
|
|
std::cerr << "not enough memory to alloc " << ex.what() << std::endl;
|
|
return;
|
|
}
|
|
|
|
setGeometry (1, 1, 5, 4, false); // initialize geometry values
|
|
|
|
vbar->addCallback
|
|
(
|
|
"change-value",
|
|
F_METHOD_CALLBACK (this, &FListBox::cb_VBarChange)
|
|
);
|
|
|
|
hbar->addCallback
|
|
(
|
|
"change-value",
|
|
F_METHOD_CALLBACK (this, &FListBox::cb_HBarChange)
|
|
);
|
|
|
|
nf_offset = isNewFont() ? 1 : 0;
|
|
setTopPadding(1);
|
|
setLeftPadding(1);
|
|
setBottomPadding(1);
|
|
setRightPadding(1 + nf_offset);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::draw()
|
|
{
|
|
bool isFocus;
|
|
|
|
if ( current < 1 )
|
|
current = 1;
|
|
|
|
setColor();
|
|
|
|
if ( isMonochron() )
|
|
setReverse(true);
|
|
|
|
if ( isNewFont() )
|
|
drawBorder (1, 1, getWidth() - 1, getHeight());
|
|
else
|
|
drawBorder();
|
|
|
|
if ( isNewFont() && ! vbar->isVisible() )
|
|
{
|
|
setColor();
|
|
|
|
for (int y = 2; y < getHeight(); y++)
|
|
{
|
|
setPrintPos (getWidth(), y);
|
|
print (' '); // clear right side of the scrollbar
|
|
}
|
|
}
|
|
|
|
drawLabel();
|
|
|
|
if ( isMonochron() )
|
|
setReverse(false);
|
|
|
|
if ( vbar->isVisible() )
|
|
vbar->redraw();
|
|
|
|
if ( hbar->isVisible() )
|
|
hbar->redraw();
|
|
|
|
drawList();
|
|
isFocus = ((flags & fc::focus) != 0);
|
|
|
|
if ( isFocus && getStatusBar() )
|
|
{
|
|
const FString& msg = getStatusbarMessage();
|
|
const FString& curMsg = getStatusBar()->getMessage();
|
|
|
|
if ( curMsg != msg )
|
|
{
|
|
getStatusBar()->setMessage(msg);
|
|
getStatusBar()->drawMessage();
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::drawLabel()
|
|
{
|
|
FString txt;
|
|
uInt length;
|
|
|
|
if ( text.isNull() || text.isEmpty() )
|
|
return;
|
|
|
|
txt = " " + text + " ";
|
|
length = txt.getLength();
|
|
setPrintPos (2, 1);
|
|
|
|
if ( isEnabled() )
|
|
setColor(wc.label_emphasis_fg, wc.label_bg);
|
|
else
|
|
setColor(wc.label_inactive_fg, wc.label_inactive_bg);
|
|
|
|
if ( length <= uInt(getClientWidth()) )
|
|
print (txt);
|
|
else
|
|
{
|
|
print (text.left(uInt(getClientWidth() - 2)));
|
|
setColor (wc.label_ellipsis_fg, wc.label_bg);
|
|
print("..");
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::drawList()
|
|
{
|
|
FString element;
|
|
uInt start, num, inc_len;
|
|
bool isFocus;
|
|
listBoxItems::iterator iter;
|
|
|
|
if ( itemlist.empty() || getHeight() <= 2 || getWidth() <= 4 )
|
|
return;
|
|
|
|
isFocus = ((flags & fc::focus) != 0);
|
|
start = 0;
|
|
num = uInt(getHeight() - 2);
|
|
inc_len = inc_search.getLength();
|
|
|
|
if ( num > getCount() )
|
|
num = getCount();
|
|
|
|
if ( last_yoffset >= 0
|
|
&& last_yoffset == yoffset
|
|
&& last_current != current )
|
|
{
|
|
// speed up: redraw only the changed rows
|
|
uInt last_pos = uInt(current - yoffset) - 1;
|
|
uInt current_pos = uInt(last_current - yoffset) - 1;
|
|
start = std::min(last_pos, current_pos);
|
|
num = std::max(last_pos, current_pos) + 1;
|
|
}
|
|
|
|
iter = index2iterator(int(start) + yoffset);
|
|
|
|
for (uInt y = start; y < num; y++)
|
|
{
|
|
bool serach_mark = false
|
|
, lineHasBrackets = hasBrackets(iter)
|
|
, isLineSelected = isSelected(iter)
|
|
, isCurrentLine = bool(y + uInt(yoffset) + 1 == uInt(current));
|
|
|
|
if ( conv_type == lazy_convert && iter->getText().isNull() )
|
|
{
|
|
convertToItem (*iter, source_container, int(y) + yoffset);
|
|
int len = int(iter->text.getLength());
|
|
recalculateHorizontalBar (len, lineHasBrackets);
|
|
|
|
if ( hbar->isVisible() )
|
|
hbar->redraw();
|
|
}
|
|
|
|
setPrintPos (2, 2 + int(y));
|
|
|
|
if ( isLineSelected )
|
|
{
|
|
if ( isMonochron() )
|
|
setBold();
|
|
else
|
|
setColor (wc.selected_list_fg, wc.selected_list_bg);
|
|
}
|
|
else
|
|
{
|
|
if ( isMonochron() )
|
|
unsetBold();
|
|
else
|
|
setColor (wc.list_fg, wc.list_bg);
|
|
}
|
|
|
|
if ( isCurrentLine )
|
|
{
|
|
if ( isFocus && getMaxColor() < 16 )
|
|
setBold();
|
|
|
|
if ( isLineSelected )
|
|
{
|
|
if ( isMonochron() )
|
|
setBold();
|
|
else if ( isFocus )
|
|
setColor ( wc.selected_current_element_focus_fg
|
|
, wc.selected_current_element_focus_bg );
|
|
else
|
|
setColor ( wc.selected_current_element_fg
|
|
, wc.selected_current_element_bg );
|
|
|
|
setCursorPos (3, 2 + int(y)); // first character
|
|
}
|
|
else
|
|
{
|
|
if ( isMonochron() )
|
|
unsetBold();
|
|
|
|
if ( isFocus )
|
|
{
|
|
setColor ( wc.current_element_focus_fg
|
|
, wc.current_element_focus_bg );
|
|
int b = ( lineHasBrackets ) ? 1: 0;
|
|
|
|
if ( inc_len > 0 ) // incremental search
|
|
{
|
|
serach_mark = true;
|
|
// Place the cursor on the last found character
|
|
setCursorPos (2 + b + int(inc_len), 2 + int(y));
|
|
}
|
|
else // only highlighted
|
|
setCursorPos (3 + b, 2 + int(y)); // first character
|
|
}
|
|
else
|
|
setColor ( wc.current_element_fg
|
|
, wc.current_element_bg );
|
|
}
|
|
|
|
if ( isMonochron() )
|
|
setReverse(false);
|
|
}
|
|
else
|
|
{
|
|
if ( isMonochron() )
|
|
setReverse(true);
|
|
else if ( isFocus && getMaxColor() < 16 )
|
|
unsetBold();
|
|
}
|
|
|
|
// print the entry
|
|
if ( isMonochron() && isCurrentLine )
|
|
print ('>');
|
|
else
|
|
print (' ');
|
|
|
|
if ( lineHasBrackets )
|
|
{
|
|
int full_length;
|
|
uInt len
|
|
, i = 0
|
|
, b = 0;
|
|
|
|
if ( xoffset == 0 )
|
|
{
|
|
b = 1;
|
|
|
|
switch ( iter->brackets )
|
|
{
|
|
case fc::NoBrackets:
|
|
break;
|
|
|
|
case fc::SquareBrackets:
|
|
print ('[');
|
|
break;
|
|
|
|
case fc::Parenthesis:
|
|
print ('(');
|
|
break;
|
|
|
|
case fc::CurlyBrackets:
|
|
print ('{');
|
|
break;
|
|
|
|
case fc::AngleBrackets:
|
|
print ('<');
|
|
break;
|
|
}
|
|
|
|
element = getString(iter).mid ( uInt(1 + xoffset)
|
|
, uInt(getWidth() - nf_offset - 5) );
|
|
}
|
|
else
|
|
element = getString(iter).mid ( uInt(xoffset)
|
|
, uInt(getWidth() - nf_offset - 4) );
|
|
|
|
const wchar_t* const& element_str = element.wc_str();
|
|
len = element.getLength();
|
|
|
|
for (; i < len; i++)
|
|
{
|
|
if ( serach_mark && i == 0 )
|
|
setColor ( wc.current_inc_search_element_fg
|
|
, wc.current_element_focus_bg );
|
|
|
|
if ( serach_mark && i == inc_len )
|
|
setColor ( wc.current_element_focus_fg
|
|
, wc.current_element_focus_bg );
|
|
|
|
print (element_str[i]);
|
|
}
|
|
|
|
full_length = int(getString(iter).getLength());
|
|
|
|
if ( b + i < uInt(getWidth() - nf_offset - 4)
|
|
&& xoffset <= full_length + 1 )
|
|
{
|
|
if ( serach_mark && i == inc_len )
|
|
setColor ( wc.current_element_focus_fg
|
|
, wc.current_element_focus_bg );
|
|
|
|
switch ( iter->brackets )
|
|
{
|
|
case fc::NoBrackets:
|
|
break;
|
|
|
|
case fc::SquareBrackets:
|
|
print (']');
|
|
break;
|
|
|
|
case fc::Parenthesis:
|
|
print (')');
|
|
break;
|
|
|
|
case fc::CurlyBrackets:
|
|
print ('}');
|
|
break;
|
|
|
|
case fc::AngleBrackets:
|
|
print ('>');
|
|
break;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
if ( isMonochron() && isCurrentLine )
|
|
{
|
|
print ('<');
|
|
i++;
|
|
}
|
|
|
|
for (; b + i < uInt(getWidth() - nf_offset - 3); i++)
|
|
print (' ');
|
|
}
|
|
else // line has no brackets
|
|
{
|
|
uInt i, len;
|
|
element = getString(iter).mid ( uInt(1 + xoffset)
|
|
, uInt(getWidth() - nf_offset - 4) );
|
|
const wchar_t* const& element_str = element.wc_str();
|
|
len = element.getLength();
|
|
|
|
if ( serach_mark )
|
|
setColor ( wc.current_inc_search_element_fg
|
|
, wc.current_element_focus_bg );
|
|
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
if ( serach_mark && i == inc_len )
|
|
setColor ( wc.current_element_focus_fg
|
|
, wc.current_element_focus_bg );
|
|
|
|
print (element_str[i]);
|
|
}
|
|
|
|
if ( isMonochron() && isCurrentLine )
|
|
{
|
|
print ('<');
|
|
i++;
|
|
}
|
|
|
|
for (; i < uInt(getWidth() - nf_offset - 3); i++)
|
|
print (' ');
|
|
}
|
|
|
|
++iter;
|
|
}
|
|
|
|
if ( isMonochron() ) // unset for the last element
|
|
setReverse(false);
|
|
|
|
unsetBold();
|
|
last_yoffset = yoffset;
|
|
last_current = current;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::recalculateHorizontalBar (int len, bool has_brackets)
|
|
{
|
|
if ( has_brackets )
|
|
len += 2;
|
|
|
|
if ( len > max_line_width )
|
|
{
|
|
max_line_width = len;
|
|
|
|
if ( len >= getWidth() - nf_offset - 3 )
|
|
{
|
|
hbar->setMaximum (max_line_width - getWidth() + nf_offset + 4);
|
|
hbar->setPageSize (max_line_width, getWidth() - nf_offset - 4);
|
|
hbar->calculateSliderValues();
|
|
|
|
if ( ! hbar->isVisible() )
|
|
hbar->setVisible();
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::recalculateVerticalBar (int element_count)
|
|
{
|
|
vbar->setMaximum (element_count - getHeight() + 2);
|
|
vbar->setPageSize (element_count, getHeight() - 2);
|
|
vbar->calculateSliderValues();
|
|
|
|
if ( ! vbar->isVisible() && element_count >= getHeight() - 1 )
|
|
vbar->setVisible();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::processClick()
|
|
{
|
|
emitCallback("clicked");
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::processSelect()
|
|
{
|
|
emitCallback("row-selected");
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::processChanged()
|
|
{
|
|
emitCallback("row-changed");
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::cb_VBarChange (FWidget*, data_ptr)
|
|
{
|
|
FScrollbar::sType scrollType;
|
|
int distance = 1
|
|
, element_count = int(getCount())
|
|
, yoffset_before = yoffset
|
|
, yoffset_end = element_count - getClientHeight();
|
|
scrollType = vbar->getScrollType();
|
|
|
|
switch ( scrollType )
|
|
{
|
|
case FScrollbar::noScroll:
|
|
break;
|
|
|
|
case FScrollbar::scrollPageBackward:
|
|
distance = getClientHeight();
|
|
// fall through
|
|
case FScrollbar::scrollStepBackward:
|
|
current -= distance;
|
|
|
|
if ( current < 1 )
|
|
current = 1;
|
|
|
|
if ( current <= yoffset )
|
|
yoffset -= distance;
|
|
|
|
if ( yoffset < 0 )
|
|
yoffset = 0;
|
|
|
|
break;
|
|
|
|
case FScrollbar::scrollPageForward:
|
|
distance = getClientHeight();
|
|
// fall through
|
|
case FScrollbar::scrollStepForward:
|
|
current += distance;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
if ( current - yoffset > getClientHeight() )
|
|
yoffset += distance;
|
|
|
|
if ( yoffset > yoffset_end )
|
|
yoffset = yoffset_end;
|
|
|
|
break;
|
|
|
|
case FScrollbar::scrollJump:
|
|
{
|
|
int val = vbar->getValue();
|
|
|
|
if ( yoffset == val )
|
|
break;
|
|
|
|
int c = current - yoffset;
|
|
yoffset = val;
|
|
|
|
if ( yoffset > yoffset_end )
|
|
yoffset = yoffset_end;
|
|
|
|
if ( yoffset < 0 )
|
|
yoffset = 0;
|
|
|
|
current = yoffset + c;
|
|
|
|
if ( current < yoffset )
|
|
current = yoffset;
|
|
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
|
|
break;
|
|
}
|
|
|
|
case FScrollbar::scrollWheelUp:
|
|
{
|
|
FWheelEvent wheel_ev (fc::MouseWheel_Event, FPoint(2,2), fc::WheelUp);
|
|
onWheel(&wheel_ev);
|
|
}
|
|
break;
|
|
|
|
case FScrollbar::scrollWheelDown:
|
|
{
|
|
FWheelEvent wheel_ev (fc::MouseWheel_Event, FPoint(2,2), fc::WheelDown);
|
|
onWheel(&wheel_ev);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if ( isVisible() )
|
|
drawList();
|
|
|
|
if ( scrollType >= FScrollbar::scrollStepBackward
|
|
&& scrollType <= FScrollbar::scrollPageForward )
|
|
{
|
|
vbar->setValue (yoffset);
|
|
|
|
if ( vbar->isVisible() && yoffset_before != yoffset )
|
|
vbar->drawBar();
|
|
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::cb_HBarChange (FWidget*, data_ptr)
|
|
{
|
|
static const int padding_space = 2; // 1 leading space + 1 tailing space
|
|
FScrollbar::sType scrollType;
|
|
int distance = 1
|
|
, pagesize = 4
|
|
, xoffset_before = xoffset
|
|
, xoffset_end = max_line_width - getClientWidth() + padding_space;
|
|
scrollType = hbar->getScrollType();
|
|
|
|
switch ( scrollType )
|
|
{
|
|
case FScrollbar::noScroll:
|
|
break;
|
|
|
|
case FScrollbar::scrollPageBackward:
|
|
distance = getClientWidth() - padding_space;
|
|
// fall through
|
|
case FScrollbar::scrollStepBackward:
|
|
xoffset -= distance;
|
|
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
break;
|
|
|
|
case FScrollbar::scrollPageForward:
|
|
distance = getClientWidth() - padding_space;
|
|
// fall through
|
|
case FScrollbar::scrollStepForward:
|
|
xoffset += distance;
|
|
|
|
if ( xoffset > xoffset_end )
|
|
xoffset = xoffset_end;
|
|
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
|
|
break;
|
|
|
|
case FScrollbar::scrollJump:
|
|
{
|
|
int val = hbar->getValue();
|
|
|
|
if ( xoffset == val )
|
|
break;
|
|
|
|
xoffset = val;
|
|
|
|
if ( xoffset > xoffset_end )
|
|
xoffset = xoffset_end;
|
|
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case FScrollbar::scrollWheelUp:
|
|
if ( xoffset == 0 )
|
|
break;
|
|
|
|
xoffset -= pagesize;
|
|
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
|
|
break;
|
|
|
|
case FScrollbar::scrollWheelDown:
|
|
if ( xoffset == xoffset_end )
|
|
break;
|
|
|
|
xoffset += pagesize;
|
|
|
|
if ( xoffset > xoffset_end )
|
|
xoffset = xoffset_end;
|
|
|
|
break;
|
|
}
|
|
|
|
if ( isVisible() )
|
|
{
|
|
drawList();
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
|
|
if ( scrollType >= FScrollbar::scrollStepBackward
|
|
&& scrollType <= FScrollbar::scrollWheelDown )
|
|
{
|
|
hbar->setValue (xoffset);
|
|
|
|
if ( hbar->isVisible() && xoffset_before != xoffset )
|
|
hbar->drawBar();
|
|
|
|
updateTerminal();
|
|
flush_out();
|
|
}
|
|
}
|