1617 lines
37 KiB
C++
1617 lines
37 KiB
C++
// File: flistbox.cpp
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// Provides: class FListBoxItem
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// class FListBox
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#include "fapp.h"
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#include "flistbox.h"
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#include "fscrollbar.h"
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#include "fstatusbar.h"
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//----------------------------------------------------------------------
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// class FListBoxItem
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//----------------------------------------------------------------------
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// constructor and destructor
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//----------------------------------------------------------------------
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FListBoxItem::FListBoxItem()
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: text()
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, brackets(fc::NoBrackets)
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, selected(false)
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{ }
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//----------------------------------------------------------------------
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FListBoxItem::FListBoxItem (FString& txt)
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: text(txt)
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, brackets(fc::NoBrackets)
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, selected(false)
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{ }
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//----------------------------------------------------------------------
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FListBoxItem::FListBoxItem (const std::string& txt)
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: text(txt)
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, brackets(fc::NoBrackets)
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, selected(false)
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{ }
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//----------------------------------------------------------------------
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FListBoxItem::FListBoxItem (const char* txt)
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: text(txt)
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, brackets(fc::NoBrackets)
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, selected(false)
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{ }
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//----------------------------------------------------------------------
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FListBoxItem::~FListBoxItem()
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{ }
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//----------------------------------------------------------------------
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// class FListBox
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//----------------------------------------------------------------------
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// constructor and destructor
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//----------------------------------------------------------------------
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FListBox::FListBox(FWidget* parent)
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: FWidget(parent)
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, data()
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, VBar(0)
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, HBar(0)
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, text()
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, inc_search()
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, multiSelect(false)
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, mouseSelect(false)
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, dragScroll(FListBox::noScroll)
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, scrollTimer(false)
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, scrollRepeat(100)
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, scrollDistance(1)
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, current(0)
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, last_current(-1)
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, secect_from_item(-1)
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, xoffset(0)
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, yoffset(0)
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, last_yoffset(-1)
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, nf_offset(0)
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, maxLineWidth(0)
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{
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init();
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}
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//----------------------------------------------------------------------
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FListBox::~FListBox() // destructor
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{
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delAllTimer();
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delete VBar;
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delete HBar;
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}
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// private methods of FListBox
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//----------------------------------------------------------------------
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void FListBox::init()
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{
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if ( hasFocus() )
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flags = FOCUS;
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if ( isEnabled() )
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flags |= ACTIVE;
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nf_offset = isNewFont() ? 1 : 0;
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foregroundColor = wc.dialog_fg;
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backgroundColor = wc.dialog_bg;
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VBar = new FScrollbar(fc::vertical, this);
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VBar->setMinimum(0);
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VBar->setValue(0);
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VBar->hide();
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HBar = new FScrollbar(fc::horizontal, this);
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HBar->setMinimum(0);
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HBar->setValue(0);
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HBar->hide();
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setGeometry (1, 1, 5, 4, false); // initialize geometry values
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VBar->addCallback
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(
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"change-value",
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_METHOD_CALLBACK (this, &FListBox::cb_VBarChange)
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);
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HBar->addCallback
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(
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"change-value",
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_METHOD_CALLBACK (this, &FListBox::cb_HBarChange)
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);
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}
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//----------------------------------------------------------------------
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void FListBox::draw()
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{
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bool isFocus;
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if ( current < 1 )
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current = 1;
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setUpdateVTerm(false);
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setColor (foregroundColor, backgroundColor);
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if ( isMonochron() )
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setReverse(true);
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if ( isNewFont() )
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width--;
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drawBorder();
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if ( isNewFont() )
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{
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width++;
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if ( ! VBar->isVisible() )
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{
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setColor (foregroundColor, backgroundColor);
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for (int y=ypos+ymin; y < ypos+ymin+height-2; y++)
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{
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gotoxy(xpos+xmin+width-2, y);
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print (' '); // clear right side of the scrollbar
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}
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}
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}
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drawLabel();
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if ( isMonochron() )
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setReverse(false);
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setUpdateVTerm(true);
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if ( VBar->isVisible() )
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VBar->redraw();
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if ( HBar->isVisible() )
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HBar->redraw();
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drawList();
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isFocus = ((flags & FOCUS) != 0);
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if ( isFocus && statusBar() )
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{
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FString msg = getStatusbarMessage();
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FString curMsg = statusBar()->getMessage();
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if ( curMsg != msg )
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{
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statusBar()->setMessage(msg);
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statusBar()->drawMessage();
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}
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}
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}
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//----------------------------------------------------------------------
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void FListBox::drawLabel()
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{
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FString txt;
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uInt length;
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if ( text.isNull() || text.isEmpty() )
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return;
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if ( Encoding == fc::VT100 )
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unsetVT100altChar();
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txt = " " + text + " ";
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length = txt.getLength();
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gotoxy (xpos+xmin, ypos+ymin-1);
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if ( isEnabled() )
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setColor(wc.label_emphasis_fg, wc.label_bg);
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else
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setColor(wc.label_inactive_fg, wc.label_inactive_bg);
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if ( length <= uInt(width-2) )
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print (txt);
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else
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{
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print (text.left(uInt(width-4)));
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setColor (wc.label_ellipsis_fg, wc.label_bg);
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print("..");
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}
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}
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//----------------------------------------------------------------------
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void FListBox::drawList()
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{
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FString element;
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uInt start, end, inc_len;
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bool isFocus;
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if ( data.empty() || height < 4 || width < 5 )
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return;
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isFocus = ((flags & FOCUS) != 0);
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start = 0;
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end = uInt(height-2);
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inc_len = inc_search.getLength();
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if ( end > count() )
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end = count();
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if ( last_yoffset >= 0
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&& last_yoffset == yoffset
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&& last_current != current )
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{
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// speed up: redraw only the changed rows
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uInt last_pos = uInt(current - yoffset) - 1;
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uInt current_pos = uInt(last_current - yoffset) - 1;
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start = std::min(last_pos, current_pos);
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end = std::max(last_pos, current_pos)+1;
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}
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setUpdateVTerm(false);
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for (uInt y=start; y < end; y++)
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{
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gotoxy (xpos+xmin, ypos+ymin+int(y));
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bool serach_mark = false;
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bool lineHasBrackets = hasBrackets(int(y) + yoffset + 1);
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bool isLineSelected = isSelected(int(y) + yoffset + 1);
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bool isCurrentLine = bool(uInt(y) + uInt(yoffset) + 1 == uInt(current));
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if ( isLineSelected )
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{
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if ( isMonochron() )
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setBold();
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else
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setColor (wc.selected_list_fg, wc.selected_list_bg);
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}
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else
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{
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if ( isMonochron() )
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unsetBold();
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else
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setColor (wc.list_fg, wc.list_bg);
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}
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if ( isCurrentLine )
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{
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if ( isFocus && getMaxColor() < 16 )
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setBold();
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if ( isLineSelected )
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{
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if ( isMonochron() )
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setBold();
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else if ( isFocus )
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setColor ( wc.selected_current_element_focus_fg
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, wc.selected_current_element_focus_bg );
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else
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setColor ( wc.selected_current_element_fg
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, wc.selected_current_element_bg );
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setCursorPos ( xpos+xmin+1
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, ypos+ymin+int(y) ); // first character
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}
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else
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{
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if ( isMonochron() )
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unsetBold();
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if ( isFocus )
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{
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setColor ( wc.current_element_focus_fg
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, wc.current_element_focus_bg );
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if ( inc_len > 0 )
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{
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serach_mark = true;
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int b = ( lineHasBrackets ) ? 1: 0;
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setCursorPos ( xpos+xmin+int(inc_len)+b
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, ypos+ymin+int(y) ); // last found character
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}
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else
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setCursorPos ( xpos+xmin+1
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, ypos+ymin+int(y) ); // first character
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}
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else
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setColor ( wc.current_element_fg
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, wc.current_element_bg );
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}
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if ( isMonochron() )
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setReverse(false);
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}
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else
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{
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if ( isMonochron() )
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setReverse(true);
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else if ( isFocus && getMaxColor() < 16 )
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unsetBold();
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}
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// print the entry
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if ( isMonochron() && isCurrentLine )
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print ('>');
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else
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print (' ');
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if ( lineHasBrackets )
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{
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const wchar_t* element_str;
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int full_length;
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uInt len;
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uInt i = 0;
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uInt b = 0;
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if ( xoffset == 0 )
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{
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b=1;
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switch ( data[y+uInt(yoffset)].brackets )
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{
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case fc::NoBrackets:
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break;
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case fc::SquareBrackets:
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print ('[');
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break;
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case fc::Parenthesis:
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print ('(');
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break;
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case fc::CurlyBrackets:
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print ('{');
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break;
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case fc::AngleBrackets:
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print ('<');
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break;
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}
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element = data[y+uInt(yoffset)].getText()
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.mid ( uInt(1+xoffset)
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, uInt(width-nf_offset-5) );
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}
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else
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element = data[y+uInt(yoffset)].getText()
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.mid ( uInt(xoffset)
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, uInt(width-nf_offset-4) );
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element_str = element.wc_str();
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len = element.getLength();
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for (; i < len; i++)
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{
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if ( serach_mark && i == 0 )
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setColor ( wc.current_inc_search_element_fg
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, wc.current_element_focus_bg );
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if ( serach_mark && i == inc_len )
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setColor ( wc.current_element_focus_fg
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, wc.current_element_focus_bg );
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print (element_str[i]);
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}
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full_length = int(data[y+uInt(yoffset)].getText().getLength());
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if ( b+i < uInt(width-nf_offset-4) && xoffset <= full_length+1 )
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{
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if ( serach_mark && i == inc_len )
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setColor ( wc.current_element_focus_fg
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, wc.current_element_focus_bg );
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switch ( data[y+uInt(yoffset)].brackets )
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{
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case fc::NoBrackets:
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break;
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case fc::SquareBrackets:
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print (']');
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break;
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case fc::Parenthesis:
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print (')');
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break;
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case fc::CurlyBrackets:
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print ('}');
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break;
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case fc::AngleBrackets:
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print ('>');
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break;
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}
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i++;
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}
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if ( isMonochron() && isCurrentLine )
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{
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print ('<');
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i++;
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}
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for (; b+i < uInt(width-nf_offset-3); i++)
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print (' ');
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}
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else // line has no brackets
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{
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const wchar_t* element_str;
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uInt i, len;
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element = data[y+uInt(yoffset)].getText()
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.mid ( uInt(1+xoffset)
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, uInt(width-nf_offset-4) );
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element_str = element.wc_str();
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len = element.getLength();
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if ( serach_mark )
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setColor ( wc.current_inc_search_element_fg
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, wc.current_element_focus_bg );
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for (i=0; i < len; i++)
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{
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if ( serach_mark && i == inc_len )
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setColor ( wc.current_element_focus_fg
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, wc.current_element_focus_bg );
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print (element_str[i]);
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}
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if ( isMonochron() && isCurrentLine )
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{
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print ('<');
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i++;
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}
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for (; i < uInt(width-nf_offset-3); i++)
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print (' ');
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}
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}
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if ( isMonochron() ) // unset for the last element
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setReverse(false);
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unsetBold();
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setUpdateVTerm(true);
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updateTerminal();
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flush_out();
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if ( hasFocus() )
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setCursor();
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last_yoffset = yoffset;
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last_current = current;
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}
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//----------------------------------------------------------------------
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void FListBox::processClick()
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{
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emitCallback("clicked");
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}
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//----------------------------------------------------------------------
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void FListBox::processSelect()
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{
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emitCallback("row-selected");
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}
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//----------------------------------------------------------------------
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void FListBox::processChanged()
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{
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emitCallback("row-changed");
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}
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// protected methods of FListBox
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//----------------------------------------------------------------------
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void FListBox::adjustYOffset()
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{
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int element_count = int(count());
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if ( yoffset > element_count - height + 2 )
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yoffset = element_count - height + 2;
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if ( yoffset < 0 )
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yoffset = 0;
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if ( current < yoffset )
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current = yoffset;
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if ( current >= yoffset + height - 1 )
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yoffset = current - height + 2;
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}
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//----------------------------------------------------------------------
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void FListBox::adjustSize()
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{
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int element_count;
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adjustYOffset();
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FWidget::adjustSize();
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element_count = int(count());
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VBar->setMaximum(element_count - height + 2);
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VBar->setPageSize(element_count, height - 2);
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VBar->setX(width);
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VBar->setHeight (height-2, false);
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VBar->resize();
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HBar->setMaximum(maxLineWidth - width + nf_offset + 4);
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HBar->setPageSize(maxLineWidth, width - nf_offset - 4);
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HBar->setY(height);
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HBar->setWidth (width-2, false);
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HBar->resize();
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if ( element_count < height - 1 )
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VBar->hide();
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else
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VBar->setVisible();
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if ( maxLineWidth < width - nf_offset - 3 )
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HBar->hide();
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else
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HBar->setVisible();
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}
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|
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// public methods of FListBox
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//----------------------------------------------------------------------
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void FListBox::setCurrentItem(int index)
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{
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int element_count;
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if ( index == current )
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return;
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element_count = int(count());
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if ( index > element_count )
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current = element_count;
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else if ( index < 1 )
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current = 1;
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else
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current = index;
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xoffset = 0;
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yoffset = 0;
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adjustSize();
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VBar->setValue(yoffset);
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if ( isVisible() )
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redraw();
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}
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|
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//----------------------------------------------------------------------
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void FListBox::hide()
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{
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int fg, bg, n, size;
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char* blank;
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|
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FWidget::hide();
|
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fg = parentWidget()->getForegroundColor();
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bg = parentWidget()->getBackgroundColor();
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setColor (fg, bg);
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n = isNewFont() ? 1 : 0;
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size = width + n;
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blank = new char[size+1];
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memset(blank, ' ', uLong(size));
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blank[size] = '\0';
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for (int y=0; y < height; y++)
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{
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gotoxy (xpos+xmin-1, ypos+ymin-1+y);
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print (blank);
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}
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delete[] blank;
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}
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|
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//----------------------------------------------------------------------
|
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void FListBox::showInsideBrackets ( int index
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, fc::brackets_type b )
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{
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data[uInt(index-1)].brackets = b;
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|
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if ( b != fc::NoBrackets )
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{
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int len = int(data[uInt(index-1)].getText().getLength() + 2);
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|
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if ( len > maxLineWidth )
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{
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maxLineWidth = len;
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if ( len >= width - nf_offset - 3 )
|
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{
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HBar->setMaximum(maxLineWidth - width + nf_offset + 4);
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HBar->setPageSize(maxLineWidth, width - nf_offset - 4);
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HBar->setValue (xoffset);
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if ( ! HBar->isVisible() )
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HBar->setVisible();
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}
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}
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}
|
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}
|
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|
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//----------------------------------------------------------------------
|
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void FListBox::setGeometry (int x, int y, int w, int h, bool adjust)
|
|
{
|
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FWidget::setGeometry(x, y, w, h, adjust);
|
|
if ( isNewFont() )
|
|
{
|
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VBar->setGeometry(width, 2, 2, height-2);
|
|
HBar->setGeometry(1, height, width-2, 1);
|
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}
|
|
else
|
|
{
|
|
VBar->setGeometry(width, 2, 1, height-2);
|
|
HBar->setGeometry(2, height, width-2, 1);
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
bool FListBox::setEnable (bool on)
|
|
{
|
|
FWidget::setEnable(on);
|
|
|
|
if ( on )
|
|
flags |= ACTIVE;
|
|
else
|
|
flags &= ~ACTIVE;
|
|
return on;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
bool FListBox::setFocus (bool on)
|
|
{
|
|
FWidget::setFocus(on);
|
|
|
|
if ( on )
|
|
{
|
|
flags |= FOCUS;
|
|
|
|
if ( statusBar() )
|
|
{
|
|
FString msg = getStatusbarMessage();
|
|
FString curMsg = statusBar()->getMessage();
|
|
if ( curMsg != msg )
|
|
statusBar()->setMessage(msg);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
flags &= ~FOCUS;
|
|
|
|
if ( statusBar() )
|
|
statusBar()->clearMessage();
|
|
}
|
|
return on;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
bool FListBox::setShadow (bool on)
|
|
{
|
|
if ( on )
|
|
flags |= SHADOW;
|
|
else
|
|
flags &= ~SHADOW;
|
|
return on;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onKeyPress (FKeyEvent* ev)
|
|
{
|
|
int element_count = int(count());
|
|
int current_before = current;
|
|
int xoffset_before = xoffset;
|
|
int yoffset_before = yoffset;
|
|
int 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 >= height - 1 )
|
|
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 > maxLineWidth - width + nf_offset + 4 )
|
|
xoffset = maxLineWidth - width + nf_offset + 4;
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_ppage:
|
|
current -= height-3;
|
|
if ( current < 1 )
|
|
current=1;
|
|
if ( current <= yoffset )
|
|
{
|
|
yoffset -= height-3;
|
|
if ( yoffset < 0 )
|
|
yoffset=0;
|
|
}
|
|
inc_search.clear();
|
|
ev->accept();
|
|
break;
|
|
|
|
case fc::Fkey_npage:
|
|
current += height-3;
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
if ( current - yoffset >= height - 1 )
|
|
{
|
|
yoffset += height-3;
|
|
if ( yoffset > element_count - height + 2 )
|
|
yoffset = element_count - height + 2;
|
|
}
|
|
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 >= height - 1 )
|
|
yoffset = element_count - height + 2;
|
|
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 >= height - 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;
|
|
uInt end = count();
|
|
for (uInt i=0; i < end; i++)
|
|
{
|
|
if ( ! inc_found
|
|
&& inc_search.toLower()
|
|
== data[i].getText().left(inc_len+1).toLower() )
|
|
{
|
|
setCurrentItem(int(i+1));
|
|
inc_found = true;
|
|
break;
|
|
}
|
|
}
|
|
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 )
|
|
{
|
|
uInt end = count();
|
|
for (uInt i=0; i < end; i++)
|
|
{
|
|
if ( inc_search.toLower()
|
|
== data[i].getText().left(inc_len-1).toLower() )
|
|
{
|
|
setCurrentItem(int(i+1));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
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;
|
|
uInt end = count();
|
|
for (uInt i=0; i < end; i++)
|
|
{
|
|
if ( ! inc_found
|
|
&& inc_search.toLower()
|
|
== data[i].getText().left(inc_len).toLower() )
|
|
{
|
|
setCurrentItem(int(i+1));
|
|
inc_found = true;
|
|
break;
|
|
}
|
|
}
|
|
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() != LeftButton
|
|
&& ev->getButton() != RightButton )
|
|
{
|
|
return;
|
|
}
|
|
if ( ev->getButton() == RightButton && ! isMultiSelection() )
|
|
return;
|
|
|
|
if ( ! hasFocus() )
|
|
{
|
|
FWidget* focused_widget = getFocusWidget();
|
|
FFocusEvent out (FocusOut_Event);
|
|
FApplication::queueEvent(focused_widget, &out);
|
|
setFocus();
|
|
if ( focused_widget )
|
|
focused_widget->redraw();
|
|
if ( statusBar() )
|
|
statusBar()->drawMessage();
|
|
}
|
|
|
|
yoffset_before = yoffset;
|
|
mouse_x = ev->getX();
|
|
mouse_y = ev->getY();
|
|
if ( mouse_x > 1 && mouse_x < width
|
|
&& mouse_y > 1 && mouse_y < height )
|
|
{
|
|
current = yoffset + mouse_y - 1;
|
|
if ( current > int(count()) )
|
|
current = int(count());
|
|
inc_search.clear();
|
|
if ( ev->getButton() == RightButton )
|
|
{
|
|
if ( isMultiSelection() )
|
|
{
|
|
if ( isSelected(current) )
|
|
{
|
|
mouseSelect = false;
|
|
unselectItem(current);
|
|
}
|
|
else
|
|
{
|
|
mouseSelect = 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 ( dragScroll != FListBox::noScroll )
|
|
{
|
|
delAllTimer();
|
|
dragScroll = FListBox::noScroll;
|
|
scrollDistance = 1;
|
|
scrollTimer = false;
|
|
}
|
|
|
|
if ( ev->getButton() == LeftButton )
|
|
{
|
|
int mouse_x = ev->getX();
|
|
int mouse_y = ev->getY();
|
|
if ( mouse_x > 1 && mouse_x < width
|
|
&& mouse_y > 1 && mouse_y < height )
|
|
{
|
|
processChanged();
|
|
if ( ! isMultiSelection() )
|
|
processSelect();
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onMouseMove (FMouseEvent* ev)
|
|
{
|
|
int current_before, yoffset_before, mouse_x, mouse_y;
|
|
|
|
if ( ev->getButton() != LeftButton
|
|
&& ev->getButton() != RightButton )
|
|
{
|
|
return;
|
|
}
|
|
if ( ev->getButton() == RightButton && ! isMultiSelection() )
|
|
return;
|
|
|
|
current_before = current;
|
|
yoffset_before = yoffset;
|
|
mouse_x = ev->getX();
|
|
mouse_y = ev->getY();
|
|
|
|
if ( mouse_x > 1 && mouse_x < width
|
|
&& mouse_y > 1 && mouse_y < height )
|
|
{
|
|
current = yoffset + mouse_y - 1;
|
|
if ( current > int(count()) )
|
|
current = int(count());
|
|
inc_search.clear();
|
|
|
|
// handle multiple selections
|
|
if ( ev->getButton() == 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 ( mouseSelect )
|
|
{
|
|
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 ( dragScroll != FListBox::noScroll && scrollDistance < height-2 )
|
|
scrollDistance++;
|
|
if ( ! scrollTimer && current > 1 )
|
|
{
|
|
scrollTimer = true;
|
|
addTimer(scrollRepeat);
|
|
if ( ev->getButton() == RightButton )
|
|
dragScroll = FListBox::scrollUpSelect;
|
|
else
|
|
dragScroll = FListBox::scrollUp;
|
|
}
|
|
if ( current == 1 )
|
|
{
|
|
delAllTimer();
|
|
dragScroll = FListBox::noScroll;
|
|
}
|
|
}
|
|
else if ( mouse_y >= height )
|
|
{
|
|
// drag down
|
|
if ( dragScroll != FListBox::noScroll && scrollDistance < height-2 )
|
|
scrollDistance++;
|
|
if ( ! scrollTimer && current < int(count()) )
|
|
{
|
|
scrollTimer = true;
|
|
addTimer(scrollRepeat);
|
|
if ( ev->getButton() == RightButton )
|
|
dragScroll = FListBox::scrollDownSelect;
|
|
else
|
|
dragScroll = FListBox::scrollDown;
|
|
}
|
|
if ( current == int(count()) )
|
|
{
|
|
delAllTimer();
|
|
dragScroll = FListBox::noScroll;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// no dragging
|
|
delAllTimer();
|
|
scrollTimer = false;
|
|
scrollDistance = 1;
|
|
dragScroll = FListBox::noScroll;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onMouseDoubleClick (FMouseEvent* ev)
|
|
{
|
|
int mouse_x, mouse_y;
|
|
|
|
if ( ev->getButton() != LeftButton )
|
|
return;
|
|
|
|
mouse_x = ev->getX();
|
|
mouse_y = ev->getY();
|
|
|
|
if ( mouse_x > 1 && mouse_x < width
|
|
&& mouse_y > 1 && mouse_y < height )
|
|
{
|
|
if ( yoffset + mouse_y - 1 > int(count()) )
|
|
return;
|
|
processClick();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onTimer (FTimerEvent*)
|
|
{
|
|
int element_count = int(count());
|
|
int current_before = current;
|
|
int yoffset_before = yoffset;
|
|
|
|
switch ( dragScroll )
|
|
{
|
|
case FListBox::noScroll:
|
|
return;
|
|
|
|
case FListBox::scrollUp:
|
|
case FListBox::scrollUpSelect:
|
|
if ( current_before == 1)
|
|
{
|
|
dragScroll = FListBox::noScroll;
|
|
return;
|
|
}
|
|
current -= scrollDistance;
|
|
if ( current < 1 )
|
|
current=1;
|
|
if ( current <= yoffset )
|
|
yoffset -= scrollDistance;
|
|
if ( yoffset < 0 )
|
|
yoffset=0;
|
|
break;
|
|
|
|
case FListBox::scrollDown:
|
|
case FListBox::scrollDownSelect:
|
|
if ( current_before == element_count )
|
|
{
|
|
dragScroll = FListBox::noScroll;
|
|
return;
|
|
}
|
|
current += scrollDistance;
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
if ( current - yoffset >= height - 1 )
|
|
yoffset += scrollDistance;
|
|
if ( yoffset > element_count - height + 2 )
|
|
yoffset = element_count - height + 2;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// handle multiple selections
|
|
if ( dragScroll == FListBox::scrollUpSelect
|
|
|| dragScroll == FListBox::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 ( mouseSelect )
|
|
{
|
|
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 element_count, current_before, yoffset_before, yoffset_end, wheel;
|
|
|
|
element_count = int(count());
|
|
current_before = current;
|
|
yoffset_before = yoffset;
|
|
yoffset_end = element_count - height + 2;
|
|
|
|
if ( yoffset_end < 0 )
|
|
yoffset_end = 0;
|
|
|
|
wheel = ev->getWheel();
|
|
|
|
if ( dragScroll != FListBox::noScroll )
|
|
{
|
|
delAllTimer();
|
|
scrollTimer = false;
|
|
scrollDistance = 1;
|
|
dragScroll = FListBox::noScroll;
|
|
}
|
|
|
|
switch ( wheel )
|
|
{
|
|
case WheelUp:
|
|
if ( yoffset == 0 )
|
|
break;
|
|
yoffset -= 4;
|
|
if ( yoffset < 0 )
|
|
{
|
|
current -= 4+yoffset;
|
|
yoffset=0;
|
|
}
|
|
else
|
|
current -= 4;
|
|
if ( current < 1 )
|
|
current=1;
|
|
inc_search.clear();
|
|
break;
|
|
|
|
case WheelDown:
|
|
if ( yoffset == yoffset_end )
|
|
break;
|
|
yoffset += 4;
|
|
if ( yoffset > yoffset_end )
|
|
{
|
|
current += 4 - (yoffset - yoffset_end);
|
|
yoffset = yoffset_end;
|
|
}
|
|
else
|
|
current += 4;
|
|
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 ( statusBar() )
|
|
statusBar()->drawMessage();
|
|
inc_search.clear();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::onFocusOut (FFocusEvent*)
|
|
{
|
|
if ( statusBar() )
|
|
{
|
|
statusBar()->clearMessage();
|
|
statusBar()->drawMessage();
|
|
}
|
|
delAllTimer();
|
|
inc_search.clear();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::cb_VBarChange (FWidget*, void*)
|
|
{
|
|
int distance = 1;
|
|
int element_count = int(count());
|
|
int yoffset_before = yoffset;
|
|
int scrollType = VBar->getScrollType();
|
|
|
|
switch ( scrollType )
|
|
{
|
|
case FScrollbar::scrollPageBackward:
|
|
distance = height-2;
|
|
// 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 = height-2;
|
|
// fall through
|
|
case FScrollbar::scrollStepForward:
|
|
current += distance;
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
if ( current - yoffset >= height - 1 )
|
|
yoffset += distance;
|
|
if ( yoffset > element_count - height + 2 )
|
|
yoffset = element_count - height + 2;
|
|
break;
|
|
|
|
case FScrollbar::scrollJump:
|
|
{
|
|
int val = VBar->getValue();
|
|
if ( yoffset == val )
|
|
break;
|
|
int c = current - yoffset;
|
|
yoffset = val;
|
|
if ( yoffset > element_count - height + 2 )
|
|
yoffset = element_count - height + 2;
|
|
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 (MouseWheel_Event, FPoint(2,2), WheelUp);
|
|
onWheel(&wheel_ev);
|
|
}
|
|
break;
|
|
|
|
case FScrollbar::scrollWheelDown:
|
|
{
|
|
FWheelEvent wheel_ev (MouseWheel_Event, FPoint(2,2), WheelDown);
|
|
onWheel(&wheel_ev);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
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*, void*)
|
|
{
|
|
int distance = 1;
|
|
int xoffset_before = xoffset;
|
|
int xoffset_end = maxLineWidth - width + nf_offset + 4;
|
|
int scrollType = HBar->getScrollType();
|
|
|
|
switch ( scrollType )
|
|
{
|
|
case FScrollbar::scrollPageBackward:
|
|
distance = width - nf_offset - 4;
|
|
// fall through
|
|
case FScrollbar::scrollStepBackward:
|
|
xoffset -= distance;
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
break;
|
|
|
|
case FScrollbar::scrollPageForward:
|
|
distance = width - nf_offset - 4;
|
|
// fall through
|
|
case FScrollbar::scrollStepForward:
|
|
xoffset += distance;
|
|
if ( xoffset > maxLineWidth - width + nf_offset + 4 )
|
|
xoffset = maxLineWidth - width + nf_offset + 4;
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
break;
|
|
|
|
case FScrollbar::scrollJump:
|
|
{
|
|
int val = HBar->getValue();
|
|
if ( xoffset == val )
|
|
break;
|
|
xoffset = val;
|
|
if ( xoffset > maxLineWidth - width + nf_offset + 4 )
|
|
xoffset = maxLineWidth - width + nf_offset + 4;
|
|
if ( xoffset < 0 )
|
|
xoffset = 0;
|
|
break;
|
|
}
|
|
|
|
case FScrollbar::scrollWheelUp:
|
|
if ( xoffset == 0 )
|
|
break;
|
|
xoffset -= 4;
|
|
if ( xoffset < 0 )
|
|
xoffset=0;
|
|
break;
|
|
|
|
case FScrollbar::scrollWheelDown:
|
|
if ( xoffset == xoffset_end )
|
|
break;
|
|
xoffset += 4;
|
|
if ( xoffset > xoffset_end )
|
|
xoffset = xoffset_end;
|
|
break;
|
|
|
|
default:
|
|
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();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::insert ( FString item
|
|
, fc::brackets_type b
|
|
, bool s )
|
|
{
|
|
int len, element_count;
|
|
|
|
len = int(item.getLength());
|
|
if ( b )
|
|
len += 2;
|
|
|
|
if ( len > maxLineWidth )
|
|
{
|
|
maxLineWidth = len;
|
|
if ( len >= width - nf_offset - 3 )
|
|
{
|
|
HBar->setMaximum(maxLineWidth - width + nf_offset + 4);
|
|
HBar->setPageSize(maxLineWidth, width - nf_offset - 4);
|
|
HBar->calculateSliderValues();
|
|
if ( ! HBar->isVisible() )
|
|
HBar->setVisible();
|
|
}
|
|
}
|
|
FListBoxItem listItem (item);
|
|
listItem.brackets = b;
|
|
listItem.selected = s;
|
|
data.push_back (listItem);
|
|
|
|
element_count = int(count());
|
|
VBar->setMaximum(element_count - height + 2);
|
|
VBar->setPageSize(element_count, height - 2);
|
|
VBar->calculateSliderValues();
|
|
if ( ! VBar->isVisible() && element_count >= height - 1 )
|
|
VBar->setVisible();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::insert ( long item
|
|
, fc::brackets_type b
|
|
, bool s )
|
|
{
|
|
insert (FString().setNumber(item), b, s);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::remove (int item)
|
|
{
|
|
int element_count;
|
|
|
|
if ( int(count()) < item )
|
|
return;
|
|
|
|
data.erase (data.begin() + item - 1);
|
|
|
|
element_count = int(count());
|
|
maxLineWidth = 0;
|
|
|
|
for (int i=0; i < element_count; i++)
|
|
{
|
|
int len = int(data[uInt(i)].getText().getLength());
|
|
if ( len > maxLineWidth )
|
|
maxLineWidth = len;
|
|
}
|
|
HBar->setMaximum(maxLineWidth - width + nf_offset + 4);
|
|
HBar->setPageSize(maxLineWidth, width - nf_offset - 4);
|
|
if ( HBar->isVisible() && maxLineWidth < width - nf_offset - 3 )
|
|
HBar->hide();
|
|
|
|
VBar->setMaximum(element_count - height + 2);
|
|
VBar->setPageSize(element_count, height - 2);
|
|
if ( VBar->isVisible() && element_count < height - 1 )
|
|
VBar->hide();
|
|
|
|
if ( current >= item && current > 1 )
|
|
current--;
|
|
if ( current > element_count )
|
|
current = element_count;
|
|
if ( yoffset > element_count - height + 2 )
|
|
yoffset = element_count - height + 2;
|
|
if ( yoffset < 0 )
|
|
yoffset = 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::clear()
|
|
{
|
|
int size;
|
|
char* blank;
|
|
|
|
data.clear();
|
|
|
|
current = 0;
|
|
xoffset = 0;
|
|
yoffset = 0;
|
|
maxLineWidth = 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 = width - 2;
|
|
blank = new char[size+1];
|
|
memset(blank, ' ', uLong(size));
|
|
blank[size] = '\0';
|
|
|
|
for (int y=0; y < height-2; y++)
|
|
{
|
|
gotoxy (xpos+xmin, ypos+ymin+y);
|
|
print (blank);
|
|
}
|
|
delete[] blank;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
void FListBox::setText (FString txt)
|
|
{
|
|
text = txt;
|
|
}
|