summaryrefslogtreecommitdiffstats
path: root/qtjava/javalib/examples/qfd/FontDisplayer.java
diff options
context:
space:
mode:
authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit90825e2392b2d70e43c7a25b8a3752299a933894 (patch)
treee33aa27f02b74604afbfd0ea4f1cfca8833d882a /qtjava/javalib/examples/qfd/FontDisplayer.java
downloadtdebindings-90825e2392b2d70e43c7a25b8a3752299a933894.tar.gz
tdebindings-90825e2392b2d70e43c7a25b8a3752299a933894.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebindings@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'qtjava/javalib/examples/qfd/FontDisplayer.java')
-rw-r--r--qtjava/javalib/examples/qfd/FontDisplayer.java167
1 files changed, 167 insertions, 0 deletions
diff --git a/qtjava/javalib/examples/qfd/FontDisplayer.java b/qtjava/javalib/examples/qfd/FontDisplayer.java
new file mode 100644
index 00000000..26f658b1
--- /dev/null
+++ b/qtjava/javalib/examples/qfd/FontDisplayer.java
@@ -0,0 +1,167 @@
+/***************************************************************************
+* $Id$
+**
+* 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 org.kde.qt.*;
+import java.math.*;
+
+
+
+class FontDisplayer extends QMainWindow {
+
+
+
+class FontRowTable extends QFrame {
+private QFont tablefont;
+private int row;
+
+FontRowTable( QWidget parent )
+{
+ this(parent, null);
+}
+
+FontRowTable( QWidget parent, String name )
+{
+ super(parent,name);
+ setBackgroundMode(PaletteBase);
+ setFrameStyle(Panel|Sunken);
+ setMargin(8);
+ setRow(0);
+ tablefont = QApplication.font();
+}
+
+public QSize sizeHint()
+{
+ return new QSize( 16*cellSize().width()+2*(margin()+frameWidth()),
+ 16*cellSize().height()+2*(margin()+frameWidth()) );
+}
+
+QSize cellSize()
+{
+ QFontMetrics fm = fontMetrics();
+ return new QSize( fm.maxWidth(), fm.lineSpacing()+1 );
+}
+
+protected void paintEvent( QPaintEvent e )
+{
+ super.paintEvent(e);
+System.out.println("In paintEvent");
+ QPainter p = new QPainter(this);
+ p.setClipRegion(e.region());
+ QRect r = e.rect();
+ QFontMetrics fm = fontMetrics();
+ int ml = frameWidth()+margin() + 1 + (-fm.minLeftBearing() > 0 ? -fm.minLeftBearing() : 0);
+ int mt = frameWidth()+margin();
+ QSize cell = new QSize((width()-15-ml)/16,(height()-15-mt)/16);
+
+ if ( cell.width() == 0 || cell.height() == 0 )
+ return;
+
+ int mini = r.left() / cell.width();
+ int maxi = (r.right()+cell.width()-1) / cell.width();
+ int minj = r.top() / cell.height();
+ int maxj = (r.bottom()+cell.height()-1) / cell.height();
+
+ int h = fm.height();
+
+ QColor body = new QColor(255,255,192);
+ QColor negative = new QColor(255,192,192);
+ QColor positive = new QColor(192,192,255);
+ QColor rnegative = new QColor(255,128,128);
+ QColor rpositive = new QColor(128,128,255);
+
+ for (int j = minj; j<=maxj; j++) {
+ for (int i = mini; i<=maxi; i++) {
+ if ( i < 16 && j < 16 ) {
+ int x = i * cell.width();
+ int y = j* cell.height();
+
+ char ch = (char) ((j*16+i) + (row*256));
+
+ if ( fm.inFont(ch) ) {
+ int w = fm.width(ch);
+ int lb = fm.leftBearing(ch);
+ int rb = fm.rightBearing(ch);
+
+ x += ml;
+ y += mt+h;
+
+ p.fillRect(x,y,w,-h,new QBrush(body));
+ if ( w != 0) {
+ if ( lb != 0 ) {
+ p.fillRect(x+(lb>0?0:lb), y-h/2, Math.abs(lb),-h/2,
+ new QBrush(lb < 0 ? negative : positive));
+ }
+ if ( rb != 0) {
+ p.fillRect(x+w-(rb>0?rb:0),y+2, Math.abs(rb),-h/2,
+ new QBrush(rb < 0 ? rnegative : rpositive));
+ }
+ }
+ String s = "";
+ s += ch;
+ p.setPen(new QPen(Qt.black()));
+ p.drawText(x,y,s);
+ }
+ }
+ }
+ }
+ p.end();
+}
+
+void setRow(int r)
+{
+ row = r;
+
+ QFontMetrics fm = fontMetrics();
+ String str = "mLB=" + fm.minLeftBearing() +
+ " mRB=" + fm.minRightBearing() +
+ " mW=" + fm.maxWidth();
+
+ emit("fontInformation", str);
+ update();
+}
+
+void chooseFont()
+{
+ boolean[] ok = { true };
+ QFont oldfont = tablefont;
+ tablefont = QFontDialog.getFont(ok, oldfont, this);
+
+ if (ok[0])
+ setFont(tablefont);
+ else
+ tablefont = oldfont;
+
+
+}
+}
+
+FontDisplayer( )
+{
+ this(null, null);
+}
+
+FontDisplayer( QWidget parent, String name )
+{
+ super(parent,name);
+ FontRowTable table = new FontRowTable(this);
+ QToolBar controls = new QToolBar(this);
+ new QLabel(tr("Row:"), controls);
+ QSpinBox row = new QSpinBox(0,255,1,controls);
+ controls.addSeparator();
+ QPushButton fontbutton = new QPushButton(tr("Font..."), controls);
+
+ connect(row,SIGNAL("valueChanged(int)"),table,SLOT("setRow(int)"));
+ connect(fontbutton, SIGNAL("clicked()"), table, SLOT("chooseFont()"));
+ connect(table,SIGNAL("fontInformation(String)"),
+ statusBar(),SLOT("message(String)"));
+ table.setRow(0);
+ setCentralWidget(table);
+}
+}