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package org.eclipse.swt.widgets;
/*
* Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
* This file is made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.carbon.OS;
import org.eclipse.swt.internal.carbon.FontSelectionQDStyle;
import org.eclipse.swt.internal.Callback;
import org.eclipse.swt.internal.carbon.RGBColor;
public class FontDialog extends Dialog {
FontData fontData;
RGB rgb;
boolean open;
public FontDialog (Shell parent) {
this (parent, SWT.APPLICATION_MODAL);
}
public FontDialog (Shell parent, int style) {
super (parent, style);
checkSubclass ();
}
public FontData getFontData () {
return fontData;
}
public RGB getRGB () {
return rgb;
}
int fontProc (int nextHandler, int theEvent, int userData) {
int kind = OS.GetEventKind (theEvent);
switch (kind) {
case OS.kEventFontPanelClosed:
open = false;
break;
case OS.kEventFontSelection:
if (fontData == null) fontData = new FontData();
short [] fontFamily = new short [1];
if (OS.GetEventParameter (theEvent, OS.kEventParamFMFontFamily, OS.typeSInt16, null, 2, null, fontFamily) == OS.noErr) {
byte[] buffer = new byte[256];
OS.FMGetFontFamilyName(fontFamily [0], buffer);
int length = buffer[0] & 0xFF;
char[] chars = new char[length];
for (int i=0; i<length; i++) {
chars[i]= (char)buffer[i+1];
}
fontData.setName (new String(chars));
}
short [] fontStyle = new short [1];
if (OS.GetEventParameter (theEvent, OS.kEventParamFMFontStyle, OS.typeSInt16, null, 2, null, fontStyle) == OS.noErr) {
int style = SWT.NORMAL;
if ((fontStyle [0] & OS.bold) != 0) style |= SWT.BOLD;
if ((fontStyle [0] & OS.italic) != 0) style |= SWT.ITALIC;
fontData.setStyle (style);
}
short [] fontSize = new short [1];
if (OS.GetEventParameter (theEvent, OS.kEventParamFMFontSize, OS.typeSInt16, null, 2, null, fontSize) == OS.noErr) {
fontData.setHeight (fontSize [0]);
}
// NEEDS WORK - color not supported in native dialog for Carbon
RGBColor color = new RGBColor ();
int [] actualSize = new int [1];
if (OS.GetEventParameter (theEvent, OS.kEventParamFontColor, OS.typeRGBColor, null, RGBColor.sizeof, actualSize, color) == OS.noErr) {
int red = (color.red >> 8) & 0xFF;
int green = (color.green >> 8) & 0xFF;
int blue = (color.blue >> 8) & 0xFF;
rgb = new RGB(red, green, blue);
}
break;
}
return OS.noErr;
}
public FontData open () {
FontSelectionQDStyle qdStyle = new FontSelectionQDStyle();
qdStyle.version = OS.kFontSelectionQDStyleVersionZero;
// NEEDS WORK - color not supported in native dialog for Carbon
if (rgb != null) {
qdStyle.hasColor = true;
qdStyle.color_red = (short)(rgb.red * 257);
qdStyle.color_green = (short)(rgb.green * 257);
qdStyle.color_blue = (short)(rgb.blue * 257);
}
if (fontData != null) {
String familyName = fontData.name;
byte [] buffer = new byte [256];
int length = familyName.length();
if (length > 255) length = 255;
buffer [0] = (byte)length;
for (int i=0; i<length; i++) {
buffer [i+1] = (byte) familyName.charAt(i);
}
int id = OS.FMGetFontFamilyFromName (buffer);
if (id == OS.kInvalidFontFamily) id = OS.GetAppFont();
qdStyle.instance_fontFamily = (short)id;
int style = fontData.style;
int fontStyle = OS.normal;
if ((style & SWT.BOLD) != 0) fontStyle |= OS.bold;
if ((style & SWT.ITALIC) != 0) fontStyle |= OS.italic;
qdStyle.instance_fontStyle = (short)fontStyle;
qdStyle.size = (short)fontData.height;
}
int ptr = OS.NewPtr(FontSelectionQDStyle.sizeof);
OS.memcpy (ptr, qdStyle, FontSelectionQDStyle.sizeof);
OS.SetFontInfoForSelection(OS.kFontSelectionQDType, 1, ptr, 0);
OS.DisposePtr (ptr);
int[] mask = new int[] {
OS.kEventClassFont, OS.kEventFontSelection,
OS.kEventClassFont, OS.kEventFontPanelClosed,
};
Callback fontPanelCallback = new Callback (this, "fontProc", 3);
int appTarget = OS.GetApplicationEventTarget ();
int [] outRef = new int [1];
OS.InstallEventHandler (appTarget, fontPanelCallback.getAddress(), mask.length / 2, mask, 0, outRef);
fontData = null;
rgb = null;
open = true;
OS.FPShowHideFontPanel ();
Display display = parent.getDisplay ();
while (!parent.isDisposed() && open) {
if (!display.readAndDispatch ()) display.sleep ();
};
OS.RemoveEventHandler (outRef [0]);
fontPanelCallback.dispose ();
return fontData;
}
public void setFontData (FontData fontData) {
this.fontData = fontData;
}
public void setRGB (RGB rgb) {
this.rgb = rgb;
}
}
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