Diffstat (limited to 'noncore/multimedia/tonleiter/pianoscale.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/multimedia/tonleiter/pianoscale.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/noncore/multimedia/tonleiter/pianoscale.cpp b/noncore/multimedia/tonleiter/pianoscale.cpp new file mode 100644 index 0000000..3d5add2 --- a/dev/null +++ b/noncore/multimedia/tonleiter/pianoscale.cpp @@ -0,0 +1,96 @@ +#include "pianoscale.h" + +#include <qpainter.h> + + +Menu::PianoScale::PianoScale(QWidget* parent,const char* name,WFlags f) +:QWidget(parent,name,f) +{ + QColor black(0,0,0); + QColor white(255,255,255); + QColor mark(255,0,0); + blackBrush=QBrush(black); + whiteBrush=QBrush(white); + markBrush=QBrush(mark); + blackPen=QPen(black); + whitePen=QPen(white); + setBackgroundColor(QColor(0,0,255)); +} +//**************************************************************************** +Menu::PianoScale::~ PianoScale() +{ +} +//**************************************************************************** +void Menu::PianoScale::paintEvent(QPaintEvent* pe) +{ + QPainter p(this); + QRect mysize=rect(); + + int pad=10; + int x0=pad; + int y0=pad; + int w0=mysize.width()-2*pad; + int h0=mysize.height()-2*pad; + + int keypad=2; + if(mysize.width()>mysize.height()) + { + int div=(int)(w0/14.0); + int halftonewidth=(int)(div/3.0); + int halftoneheight=(int)((h0-2*keypad)*0.66); + for(int a=0;a<14;a++) + { + int x=x0+a*div; + + p.setPen(blackPen); + p.setBrush(blackBrush); + p.drawRect(x,y0,div,h0); + + p.setPen(whitePen); + p.setBrush(whiteBrush); + p.drawRect(x+keypad,y0+keypad,div-2*keypad,h0-2*keypad); + + if(a==1 || a==2 || a==4 || a==5 || a==6 || a==8 || a==9 || a==11 || a==12 || a==13) + { + p.setPen(blackPen); + p.setBrush(blackBrush); + p.drawRect(x-halftonewidth,y0+keypad,2*halftonewidth,halftoneheight); + } + } + } + else + { + int div=(int)(w0/7.0); + int halfheight=(int)(h0/2.0); + int halftonewidth=(int)(div/3.0); + int halftoneheight=(int)((halfheight-2*keypad)*0.66); + for(int a=0;a<7;a++) + { + int x=x0+a*div; + + p.setPen(blackPen); + p.setBrush(blackBrush); + p.drawRect(x,y0,div,h0); + + p.setPen(whitePen); + p.setBrush(whiteBrush); + p.drawRect(x+keypad,y0+keypad,div-2*keypad,halfheight-2*keypad); + p.drawRect(x+keypad,y0+keypad+halfheight,div-2*keypad,halfheight-2*keypad); + + if(a==1 || a==2 || a==4 || a==5 || a==6) + { + p.setPen(blackPen); + p.setBrush(blackBrush); + p.drawRect(x-halftonewidth,y0+keypad,2*halftonewidth,halftoneheight); + p.drawRect(x-halftonewidth,y0+keypad+halfheight,2*halftonewidth,halftoneheight); + } + } + } +} +//**************************************************************************** +void Menu::PianoScale::mousePressEvent(QMouseEvent* me) +{ +} +//**************************************************************************** +//**************************************************************************** + |