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-rwxr-xr-xpython/pyqt/examples3/fontdisplayer.py148
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diff --git a/python/pyqt/examples3/fontdisplayer.py b/python/pyqt/examples3/fontdisplayer.py
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--- a/python/pyqt/examples3/fontdisplayer.py
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-#!/usr/bin/env python
-
-"""**************************************************************************
-** $Id$
-**
-** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
-**
-** This file is part of an example program for Qt. This example
-** program may be used, distributed and modified without limitation.
-**
-***************************************************************************"""
-
-import sys
-from qt import *
-
-class FontRowTable( QFrame ):
- def __init__( self, parent=None, name=None ):
- QFrame.__init__( self, parent, name )
-
- self.setBackgroundMode(self.PaletteBase)
- self.setFrameStyle(self.Panel|self.Sunken)
- self.setMargin(8)
- self.setRow(0)
- self.row = 0
- self.tablefont = QFont( QApplication.font() )
-
- def sizeHint( self ) :
- width = 16*self.cellSize().width()+QSize(2,2).width()*(self.margin()+self.frameWidth())
- height = 16*self.cellSize().height()+QSize(2,2).height()*(self.margin()+self.frameWidth())
- return QSize(width,height)
-
- def cellSize( self ) :
- fm = self.fontMetrics()
- return QSize( fm.maxWidth(), fm.lineSpacing() + 1 )
-
- def paintEvent( self, e ):
- QFrame.paintEvent(self, e)
- p = QPainter(self)
- p.setClipRegion(e.region())
- r = QRect(e.rect())
- fm = self.fontMetrics()
- ml = self.frameWidth() + self.margin() + 1 + max(0,-fm.minLeftBearing())
- mt = self.frameWidth() + self.margin()
- cell = QSize((self.width()-15-ml)/16,(self.height()-15-mt)/16)
-
- if not cell.width() or not cell.height() :
- return
-
- mini = r.left() / cell.width()
- maxi = (r.right()+cell.width()-1) / cell.width()
- minj = r.top() / cell.height()
- maxj = (r.bottom()+cell.height()-1) / cell.height()
-
- h = fm.height()
-
- body = QColor(255,255,192);
- negative = QColor(255,192,192);
- positive = QColor(192,192,255);
- rnegative = QColor(255,128,128);
- rpositive = QColor(128,128,255);
-
- for j in range(minj, maxj+1, 1) :
- for i in range(mini, maxi+1, 1) :
- if i < 16 and j < 16 :
- x = i*cell.width()
- y = j*cell.height()
-
- ch = QChar(j*16+i) #,self.row) # just accept one argument!!!
-
- if fm.inFont(ch) :
- w = fm.width(ch)
- l = fm.leftBearing(ch)
- r = fm.rightBearing(ch)
-
- x += ml
- y += mt+h
-
- p.fillRect(x,y,w,-h,QBrush(body))
-
- if w :
- if l :
- if l < 0: sign = negative
- else: sign = positive
- if l > 0: lsign = 0
- else: lsign = 1
- p.fillRect(x+lsign, y-h/2, abs(l),-h/2, QBrush(sign))
- if r :
- if r < 0: sign = rnegative
- else: sign = rpositive
- if r > 0: rsign = r
- else: rsign = 0
- p.fillRect(x+w-rsign,y+2, abs(r),-h/2, QBrush(sign))
- s = QString( ch )
- p.setPen(QPen(Qt.black))
- p.drawText(x,y,s)
-
- def setRow( self, r ) :
- self.row = r
-
- fm = self.fontMetrics()
- str = " minLB=%d minRB=%d maxW=%d" % (fm.minLeftBearing(), fm.minRightBearing(), fm.maxWidth())
- self.emit( PYSIGNAL("fontInformation"), ( QString(str), ) )
- self.update()
-
- def chooseFont( self ) :
- ok = 0
- oldfont = QFont( self.tablefont )
- self.tablefont, ok = QFontDialog.getFont(oldfont, self)
- if ok:
- self.setFont(self.tablefont)
- else:
- self.tablefont = oldfont
-
-class FontDisplayer( QMainWindow ) :
- def __init__( self, parent=None, name=None ):
- QMainWindow.__init__( self, parent, name )
- table = FontRowTable(self)
- controls = QToolBar(self)
-
- QLabel(self.tr("Row:"), controls)
- self.row = QSpinBox(0,255,1,controls)
- controls.addSeparator()
- fontbutton = QPushButton(self.tr("Font..."), controls)
- status = QStatusBar(self)
-
- self.connect( self.row, SIGNAL("valueChanged(int)"), table.setRow )
- self.connect( fontbutton, SIGNAL("clicked()"), table.chooseFont )
- self.connect( table, PYSIGNAL("fontInformation"),
- status, SLOT("message(const QString&)") )
- table.setRow(0)
- self.setCentralWidget(table)
-
-def main( args ):
- # Use an interesting font
- QApplication.setFont(QFont("unifont",16))
- app = QApplication(sys.argv)
-
- m = FontDisplayer()
- sh = QSize( m.centralWidget().sizeHint() )
- m.resize(sh.width(), sh.height() + 3 * m.statusBar().height())
- app.setMainWidget(m);
- m.setCaption("Qt Example - QFD");
- m.show()
-
- app.exec_loop()
-
-if __name__=="__main__":
- main(sys.argv)