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-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java119
1 files changed, 75 insertions, 44 deletions
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
index a3a22070..7e0b76a8 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
@@ -18,6 +18,7 @@ package at.asit.pdfover.gui.composites;
// Imports
import java.awt.BorderLayout;
import java.awt.Color;
+import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Image;
import java.awt.event.MouseWheelEvent;
@@ -58,24 +59,16 @@ public class PositioningComposite extends StateComposite {
static final Logger log = LoggerFactory
.getLogger(PositioningComposite.class);
- private SignaturePanel viewer = null;
-
+ SignaturePanel viewer = null;
Frame frame = null;
-
Composite mainArea = null;
-
Composite bottomBar = null;
-
Button btnNewPage = null;
-
Label lblPage = null;
-
ScrollBar scrollbar = null;
private SignaturePosition position = null;
-
int currentPage = 0;
-
int numPages = 0;
/**
@@ -107,7 +100,7 @@ public class PositioningComposite extends StateComposite {
this.btnSign.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
- PositioningComposite.this.setFinalPosition();
+ setFinalPosition();
}
});
@@ -124,8 +117,7 @@ public class PositioningComposite extends StateComposite {
showPage(PositioningComposite.this.numPages);
else
showPage(PositioningComposite.this.numPages + 1);
-
- PositioningComposite.this.requestFocus();
+ requestFocus();
}
});
@@ -145,12 +137,23 @@ public class PositioningComposite extends StateComposite {
this.mainArea.setLayoutData(fd_mainArea);
this.scrollbar = this.mainArea.getVerticalBar();
- this.frame = SWT_AWT.new_Frame(this.mainArea);
+ EventQueue.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ getDisplay().syncExec(new Runnable() {
+ @Override
+ public void run() {
+ PositioningComposite.this.frame = SWT_AWT.new_Frame(PositioningComposite.this.mainArea);
+ }
+ });
+ // Workaround for Windows: Scrollbar always gets the event
+ if (!System.getProperty("os.name").toLowerCase().contains("windows")) //$NON-NLS-1$ //$NON-NLS-2$
+ PositioningComposite.this.frame.addMouseWheelListener(PositioningComposite.this.mouseListener);
+ }
+ });
+
this.mainArea.addKeyListener(this.keyListener);
this.scrollbar.addSelectionListener(this.selectionListener);
- // Workaround for Windows: Scrollbar always gets the event
- if (!System.getProperty("os.name").toLowerCase().contains("windows")) //$NON-NLS-1$ //$NON-NLS-2$
- this.frame.addMouseWheelListener(this.mouseListener);
requestFocus();
}
@@ -160,16 +163,26 @@ public class PositioningComposite extends StateComposite {
* @param document
* document to display
*/
- public void displayDocument(PDFFile document) {
+ public void displayDocument(final PDFFile document) {
if (this.viewer == null) {
- this.viewer = new SignaturePanel(document);
- this.frame.add(this.viewer, BorderLayout.CENTER);
- this.viewer.setSignaturePlaceholderBorderColor(new Color(
- Constants.MAINBAR_ACTIVE_BACK_DARK.getRed(),
- Constants.MAINBAR_ACTIVE_BACK_DARK.getGreen(),
- Constants.MAINBAR_ACTIVE_BACK_DARK.getBlue()));
+ EventQueue.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ PositioningComposite.this.viewer = new SignaturePanel(document);
+ PositioningComposite.this.viewer.setSignaturePlaceholderBorderColor(new Color(
+ Constants.MAINBAR_ACTIVE_BACK_DARK.getRed(),
+ Constants.MAINBAR_ACTIVE_BACK_DARK.getGreen(),
+ Constants.MAINBAR_ACTIVE_BACK_DARK.getBlue()));
+ PositioningComposite.this.frame.add(PositioningComposite.this.viewer, BorderLayout.CENTER);
+ }
+ });
} else
- this.viewer.setDocument(document);
+ EventQueue.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ PositioningComposite.this.viewer.setDocument(document);
+ }
+ });
this.numPages = document.getNumPages();
this.scrollbar.setValues(1, 1, this.numPages + 1, 1, 1, 1);
showPage(this.numPages);
@@ -179,13 +192,18 @@ public class PositioningComposite extends StateComposite {
* Request focus (to enable keyboard input)
*/
public void requestFocus() {
- this.getDisplay().asyncExec(new Runnable() {
+ getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
PositioningComposite.this.mainArea.setFocus();
- if(!PositioningComposite.this.frame.hasFocus()) {
- PositioningComposite.this.frame.requestFocus();
- }
+ EventQueue.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ if(!PositioningComposite.this.frame.hasFocus()) {
+ PositioningComposite.this.frame.requestFocus();
+ }
+ }
+ });
}
});
}
@@ -203,12 +221,16 @@ public class PositioningComposite extends StateComposite {
* @param transparency
* transparency of the signature placeholder (0 - 255)
*/
- public void setPlaceholder(Image placeholder, int width, int height,
- int transparency) {
- if (this.viewer == null)
- return;
- this.viewer.setSignaturePlaceholder(placeholder, width, height,
- transparency);
+ public void setPlaceholder(final Image placeholder, final int width, final int height,
+ final int transparency) {
+ EventQueue.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ if (PositioningComposite.this.viewer == null)
+ return;
+ PositioningComposite.this.viewer.setSignaturePlaceholder(placeholder, width, height, transparency);
+ }
+ });
}
private KeyListener keyListener = new KeyAdapter() {
@@ -239,7 +261,7 @@ public class PositioningComposite extends StateComposite {
case SWT.CR:
case SWT.KEYPAD_CR:
- PositioningComposite.this.setFinalPosition();
+ setFinalPosition();
break;
case SWT.ARROW_LEFT:
@@ -263,12 +285,11 @@ public class PositioningComposite extends StateComposite {
showPage(newPage);
if (sigXOffset != 0 || sigYOffset != 0)
- PositioningComposite.this.translateSignaturePosition(
- sigXOffset, sigYOffset);
+ translateSignaturePosition(sigXOffset, sigYOffset);
}
};
- private MouseWheelListener mouseListener = new MouseWheelListener() {
+ MouseWheelListener mouseListener = new MouseWheelListener() {
private long lastEventTime = 0;
@Override
@@ -304,10 +325,10 @@ public class PositioningComposite extends StateComposite {
private Button btnSign;
- void showPage(int page) {
+ void showPage(final int page) {
final int previousPage = this.currentPage;
this.currentPage = page;
- this.getDisplay().syncExec(new Runnable() {
+ getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
int currentPage = PositioningComposite.this.currentPage;
@@ -332,7 +353,12 @@ public class PositioningComposite extends StateComposite {
Messages.getString("positioning.page"), currentPage, numPages)); //$NON-NLS-1$
}
});
- this.viewer.showPage(page);
+ EventQueue.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ PositioningComposite.this.viewer.showPage(page);
+ }
+ });
}
@Override
@@ -359,9 +385,14 @@ public class PositioningComposite extends StateComposite {
* @param sigYOffset
* signature placeholder vertical position offset
*/
- public void translateSignaturePosition(int sigXOffset, int sigYOffset) {
- PositioningComposite.this.viewer.translateSignaturePosition(sigXOffset,
- sigYOffset);
+ public void translateSignaturePosition(final int sigXOffset, final int sigYOffset) {
+ EventQueue.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ PositioningComposite.this.viewer.translateSignaturePosition(sigXOffset,
+ sigYOffset);
+ }
+ });
}
/**