Possibility for a FListView column to set the alignment
This commit is contained in:
Markus Gans
parent
30515db9ec
commit
0240d782ca
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@ -1,3 +1,7 @@
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2017-07-28 Markus Gans <guru.mail@muenster.de>
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* Possibility for a FListView column to set
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the alignment (left, center or right)
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2017-07-23 Markus Gans <guru.mail@muenster.de>
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* Check an object with isInstanceOf(...) whether it is
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an instance of a specified class
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@ -340,7 +340,7 @@ void FLabel::setHotkeyAccelerator()
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}
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//----------------------------------------------------------------------
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int FLabel::getXOffset(int length)
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int FLabel::getAlignOffset (int length)
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{
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switch ( alignment )
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{
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@ -358,25 +358,24 @@ int FLabel::getXOffset(int length)
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return getWidth() - length;
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else
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return 0;
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default:
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return 0;
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}
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return 0;
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}
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//----------------------------------------------------------------------
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void FLabel::printLine ( wchar_t*& line
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, uInt length
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, int hotkeypos
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, int xoffset )
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, int align_offset )
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{
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int to_char;
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bool isActive, isNoUnderline;
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isActive = ((flags & fc::active) != 0);
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isNoUnderline = ((flags & fc::no_underline) != 0);
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for (int x=0; x < xoffset; x++)
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print (' ');
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if ( align_offset > 0 )
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print (FString(align_offset, ' ')); // leading spaces
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if ( length <= uInt(getWidth()) )
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to_char = int(length);
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@ -423,10 +422,10 @@ void FLabel::printLine ( wchar_t*& line
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print ("..");
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setColor();
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}
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else
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else if ( align_offset + to_char < getWidth() )
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{
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for (int x=xoffset+to_char; x < getWidth(); x++)
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print (' ');
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int len = getWidth() - align_offset - to_char;
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print (FString(len, ' ')); // tailing spaces
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}
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if ( hasReverseMode() )
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@ -440,7 +439,7 @@ void FLabel::draw()
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wchar_t* dest;
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wchar_t* LabelText;
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uInt length;
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int hotkeypos, xoffset;
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int hotkeypos, align_offset;
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if ( text.isNull() || text.isEmpty() )
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return;
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@ -482,15 +481,15 @@ void FLabel::draw()
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if ( hotkeypos != -1 )
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{
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xoffset = getXOffset (int(length-1));
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printLine (LabelText, length-1, hotkeypos, xoffset);
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align_offset = getAlignOffset (int(length-1));
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printLine (LabelText, length-1, hotkeypos, align_offset);
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hotkey_printed = true;
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hotkeypos = -1;
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}
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else
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{
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xoffset = getXOffset (int(length));
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printLine (LabelText, length, -1, xoffset);
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align_offset = getAlignOffset (int(length));
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printLine (LabelText, length, -1, align_offset);
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}
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y++;
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@ -509,8 +508,8 @@ void FLabel::draw()
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length--;
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setPrintPos (1,1);
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xoffset = getXOffset (int(length));
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printLine (LabelText, length, hotkeypos, xoffset);
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align_offset = getAlignOffset (int(length));
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printLine (LabelText, length, hotkeypos, align_offset);
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delete[] LabelText;
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}
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@ -99,7 +99,7 @@ class FLabel : public FWidget
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uChar getHotkey();
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int getHotkeyPos (wchar_t*&, wchar_t*&, uInt);
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void setHotkeyAccelerator();
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int getXOffset (int);
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int getAlignOffset (int);
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void printLine (wchar_t*&, uInt, int, int = 0);
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void draw();
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@ -19,7 +19,6 @@ FListViewItem::FListViewItem (const FListViewItem& item)
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: FObject(item.getParent())
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, column_line(item.column_line)
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, data_pointer(item.data_pointer)
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, alignment(fc::alignLeft)
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{
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FObject* parent = getParent();
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@ -27,13 +26,27 @@ FListViewItem::FListViewItem (const FListViewItem& item)
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static_cast<FListView*>(parent)->insert (this);
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}
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//----------------------------------------------------------------------
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FListViewItem::FListViewItem (FListViewItem* item)
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: FObject(item->getParent())
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, column_line(item->column_line)
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, data_pointer(item->data_pointer)
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{
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// Add the FListViewItem to the parent
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FObject* parent = getParent();
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if ( parent && parent->isInstanceOf("FListView") )
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static_cast<FListView*>(parent)->insert (this);
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}
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//----------------------------------------------------------------------
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FListViewItem::FListViewItem (FListView* parent)
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: FObject(parent)
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, column_line()
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, data_pointer(0)
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, alignment(fc::alignLeft)
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{
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// Add the FListViewItem to the parent
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if ( parent )
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parent->insert (this);
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}
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@ -44,8 +57,18 @@ FListViewItem::FListViewItem ( const std::vector<FString>& cols
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: FObject(parent)
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, column_line(cols)
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, data_pointer(data)
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, alignment(fc::alignLeft)
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{
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// Replace the control codes characters
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std::vector<FString>::iterator iter = column_line.begin();
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while ( iter != column_line.end() )
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{
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*iter = iter->replaceControlCodes();
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++iter;
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}
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// Add the FListViewItem to the parent
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if ( parent )
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parent->insert (this);
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}
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@ -90,22 +113,14 @@ FListView::~FListView() // destructor
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// public methods of FListView
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//----------------------------------------------------------------------
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int FListView::addColumn (const FString& label, int width)
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fc::text_alignment FListView::getColumnAlignment (int column)
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{
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Header column;
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column.name = label;
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column.width = width;
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// Get the alignment for a column
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if ( column.width == USE_MAX_SIZE )
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{
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column.fixed_width = false;
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column.width = int(label.getLength());
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}
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else
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column.fixed_width = true;
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if ( column < 0 || header.empty() || column > int(header.size()) )
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return fc::alignLeft;
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header.push_back (column);
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return int(std::distance(header.begin(), header.end()));
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return header[uInt(column)].alignment;
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}
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//----------------------------------------------------------------------
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@ -125,6 +140,36 @@ void FListView::setGeometry (int x, int y, int w, int h, bool adjust)
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}
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}
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//----------------------------------------------------------------------
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void FListView::setColumnAlignment (int column, fc::text_alignment align)
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{
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// Set the alignment for a column
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if ( column < 0 || header.empty() || column > int(header.size()) )
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return;
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header[uInt(column)].alignment = align;
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}
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//----------------------------------------------------------------------
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int FListView::addColumn (const FString& label, int width)
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{
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Header column;
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column.name = label;
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column.width = width;
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if ( column.width == USE_MAX_SIZE )
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{
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column.fixed_width = false;
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column.width = int(label.getLength());
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}
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else
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column.fixed_width = true;
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header.push_back (column);
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return int(std::distance(header.begin(), header.end()));
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}
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//----------------------------------------------------------------------
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void FListView::insert (FListViewItem* item)
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{
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@ -796,6 +841,32 @@ void FListView::init()
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setRightPadding(1 + nf_offset);
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}
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//----------------------------------------------------------------------
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uInt FListView::getAlignOffset ( fc::text_alignment align
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, uInt txt_length
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, uInt width )
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{
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switch ( align )
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{
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case fc::alignLeft:
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return 0;
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case fc::alignCenter:
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if ( txt_length < width )
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return uInt((width - txt_length) / 2);
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else
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return 0;
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case fc::alignRight:
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if ( txt_length < width )
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return width - txt_length;
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else
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return 0;
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}
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return 0;
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}
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//----------------------------------------------------------------------
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void FListView::draw()
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{
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@ -898,19 +969,14 @@ void FListView::drawColumnLabels()
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headerline.write (txt);
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if ( txt_length < uInt(column_width) )
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headerline.write (' ');
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headerline.write (' '); // tailing space
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if ( txt_length + tailing_space < uInt(column_width) )
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{
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setColor();
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FString line ( column_width - int(txt_length) - tailing_space
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FString line ( uInt(column_width) - tailing_space - txt_length
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, wchar_t(fc::BoxDrawingsHorizontal) );
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headerline.write (line);
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}
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else if ( txt_length + tailing_space == uInt(column_width) )
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{
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setColor();
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headerline.write (wchar_t(fc::BoxDrawingsHorizontal));
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headerline.write (line); // horizontal line
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}
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}
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else
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@ -930,10 +996,10 @@ void FListView::drawColumnLabels()
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const std::vector<char_data>& h = headerline.getBuffer();
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first = h.begin() + xoffset;
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if ( int(h.size()) <= getWidth() - 2 )
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if ( int(h.size()) <= getClientWidth() )
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last = h.end() - 1;
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else
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last = h.begin() + getWidth() + xoffset - 2;
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last = h.begin() + getClientWidth() + xoffset - 1;
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const std::vector<char_data> header_part (first, last);
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setPrintPos (2, 1);
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@ -1007,11 +1073,22 @@ void FListView::drawList()
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FString text = (*iter)->column_line[i];
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int width = header[i].width;
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uInt txt_length = text.getLength();
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fc::text_alignment align = getColumnAlignment(int(i+1));
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uInt align_offset = getAlignOffset (align, txt_length, uInt(width));
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if ( txt_length <= uInt(width) )
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if ( align_offset > 0 )
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line += FString(align_offset, ' ');
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if ( align_offset + txt_length <= uInt(width) )
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{
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line += text.left(width);
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line += FString (leading_space + width - int(txt_length), ' ');
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line += FString (leading_space + width - int(align_offset + txt_length), ' ');
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}
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else if ( align == fc::alignRight )
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{
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line += FString ("..");
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line += text.right(width - ellipsis_length);
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line += ' ';
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}
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else
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{
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@ -49,6 +49,7 @@ class FListViewItem : public FObject
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{
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public:
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FListViewItem (const FListViewItem&); // copy constructor
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FListViewItem (FListViewItem*);
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FListViewItem (FListView*);
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FListViewItem ( const std::vector<FString>&
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, FWidget::data_ptr = 0
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@ -71,7 +72,6 @@ class FListViewItem : public FObject
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// Data Member
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std::vector<FString> column_line;
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FWidget::data_ptr data_pointer;
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fc::text_alignment alignment;
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};
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#pragma pack(pop)
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@ -110,9 +110,11 @@ class FListView : public FWidget
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// Accessors
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const char* getClassName() const;
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fc::text_alignment getColumnAlignment (int);
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// Mutators
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void setGeometry (int, int, int, int, bool = true);
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void setColumnAlignment (int, fc::text_alignment);
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// Methods
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virtual int addColumn (const FString&, int = USE_MAX_SIZE);
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@ -149,6 +151,7 @@ class FListView : public FWidget
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: name()
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, width (0)
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, fixed_width (-1)
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, alignment (fc::alignLeft)
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{ }
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~Header()
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@ -157,6 +160,7 @@ class FListView : public FWidget
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FString name;
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int width;
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bool fixed_width;
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fc::text_alignment alignment;
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};
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typedef std::vector<Header> headerItems;
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@ -172,6 +176,7 @@ class FListView : public FWidget
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// Methods
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void init();
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uInt getAlignOffset (fc::text_alignment, uInt, uInt);
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void draw();
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void drawColumnLabels();
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void drawList();
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@ -170,6 +170,9 @@ FString::FString (const char* s)
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, bufsize(0)
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, c_string(0)
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{
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if ( ! s )
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return;
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const wchar_t* wc_string;
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wc_string = c_to_wc_str(s);
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@ -187,6 +190,9 @@ FString::FString (const wchar_t c)
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, bufsize(0)
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, c_string(0)
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{
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if ( c == 0 )
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return;
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wchar_t s[2];
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s[0] = c;
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s[1] = L'\0';
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@ -200,6 +206,9 @@ FString::FString (const char c)
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, bufsize(0)
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, c_string(0)
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{
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if ( c == 0 )
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return;
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wchar_t s[2];
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s[0] = wchar_t(c & 0xff);
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s[1] = L'\0';
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@ -49,9 +49,14 @@ Listview::Listview (FWidget* parent)
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// Add columns to the view
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listView->addColumn ("City");
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listView->addColumn ("Condition");
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listView->addColumn ("Temp.", 7);
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listView->addColumn ("Temp.");
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listView->addColumn ("Humidity");
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listView->addColumn ("Pressure");
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listView->addColumn ("Pressure", 10);
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// Set right alignment for the third, fourth, and fifth column
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listView->setColumnAlignment (3, fc::alignRight);
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listView->setColumnAlignment (4, fc::alignRight);
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listView->setColumnAlignment (5, fc::alignRight);
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// Populate FListView with a list of items
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std::string weather[][5] =
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