Examples with Cursor org.eclipse.swt.graphics.Cursor used on opensource projects

Example 56 with Cursor

use of org.eclipse.swt.graphics.Cursor in project eclipse.platform.swt by eclipse.

the class AddressBook method openAddressBook.

private void openAddressBook() {
    FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
    fileDialog.setFilterExtensions(new String[] { "*.adr;", "*.*" });
    fileDialog.setFilterNames(new String[] { resAddressBook.getString("Book_filter_name") + " (*.adr)", resAddressBook.getString("All_filter_name") + " (*.*)" });
    String name = fileDialog.open();
    if (name == null)
        return;
    File file = new File(name);
    if (!file.exists()) {
        displayError(resAddressBook.getString("File") + file.getName() + " " + resAddressBook.getString("Does_not_exist"));
        return;
    }
    Cursor waitCursor = shell.getDisplay().getSystemCursor(SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);
    String[] data = new String[0];
    try (FileReader fileReader = new FileReader(file.getAbsolutePath());
        BufferedReader bufferedReader = new BufferedReader(fileReader)) {
        String nextLine = bufferedReader.readLine();
        while (nextLine != null) {
            String[] newData = new String[data.length + 1];
            System.arraycopy(data, 0, newData, 0, data.length);
            newData[data.length] = nextLine;
            data = newData;
            nextLine = bufferedReader.readLine();
        }
    } catch (FileNotFoundException e) {
        displayError(resAddressBook.getString("File_not_found") + "\n" + file.getName());
        return;
    } catch (IOException e) {
        displayError(resAddressBook.getString("IO_error_read") + "\n" + file.getName());
        return;
    } finally {
        shell.setCursor(null);
    }
    String[][] tableInfo = new String[data.length][table.getColumnCount()];
    int writeIndex = 0;
    for (String element : data) {
        String[] line = decodeLine(element);
        if (line != null)
            tableInfo[writeIndex++] = line;
    }
    if (writeIndex != data.length) {
        String[][] result = new String[writeIndex][table.getColumnCount()];
        System.arraycopy(tableInfo, 0, result, 0, writeIndex);
        tableInfo = result;
    }
    Arrays.sort(tableInfo, new RowComparator(0));
    for (String[] element : tableInfo) {
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(element);
    }
    shell.setText(resAddressBook.getString("Title_bar") + fileDialog.getFileName());
    isModified = false;
    this.file = file;
}

Example 57 with Cursor

use of org.eclipse.swt.graphics.Cursor in project eclipse.platform.swt by eclipse.

the class ImageAnalyzer method menuSave.

void menuSave() {
    if (image == null)
        return;
    // stop any animation in progress
    animate = false;
    // so we have to use 'Save As...'.
    if (imageData.type == SWT.IMAGE_UNDEFINED || fileName == null) {
        menuSaveAs();
        return;
    }
    Cursor waitCursor = display.getSystemCursor(SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);
    imageCanvas.setCursor(waitCursor);
    try {
        // Save the current image to the current file.
        loader.data = new ImageData[] { imageData };
        if (imageData.type == SWT.IMAGE_JPEG)
            loader.compression = compressionCombo.indexOf(compressionCombo.getText()) + 1;
        if (imageData.type == SWT.IMAGE_PNG)
            loader.compression = compressionCombo.indexOf(compressionCombo.getText());
        loader.save(fileName, imageData.type);
    } catch (SWTException e) {
        showErrorDialog(bundle.getString("Saving_lc"), fileName, e);
    } catch (SWTError e) {
        showErrorDialog(bundle.getString("Saving_lc"), fileName, e);
    } finally {
        shell.setCursor(null);
        imageCanvas.setCursor(crossCursor);
    }
}

Example 58 with Cursor

use of org.eclipse.swt.graphics.Cursor in project eclipse.platform.swt by eclipse.

the class ImageAnalyzer method menuComposeAlpha.

void menuComposeAlpha(int alpha_op) {
    if (image == null)
        return;
    // stop any animation in progress
    animate = false;
    Cursor waitCursor = display.getSystemCursor(SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);
    imageCanvas.setCursor(waitCursor);
    try {
        if (alpha_op == ALPHA_CONSTANT) {
            imageData.alpha = alpha;
        } else {
            imageData.alpha = -1;
            switch(alpha_op) {
                case ALPHA_X:
                    for (int y = 0; y < imageData.height; y++) {
                        for (int x = 0; x < imageData.width; x++) {
                            imageData.setAlpha(x, y, (x + alpha) % 256);
                        }
                    }
                    break;
                case ALPHA_Y:
                    for (int y = 0; y < imageData.height; y++) {
                        for (int x = 0; x < imageData.width; x++) {
                            imageData.setAlpha(x, y, (y + alpha) % 256);
                        }
                    }
                    break;
                default:
                    break;
            }
        }
        displayImage(imageData);
    } finally {
        shell.setCursor(null);
        imageCanvas.setCursor(crossCursor);
    }
}

Example 59 with Cursor

use of org.eclipse.swt.graphics.Cursor in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_Cursor method test_ConstructorLorg_eclipse_swt_graphics_DeviceLorg_eclipse_swt_graphics_ImageDataLorg_eclipse_swt_graphics_ImageDataII.

@Test
public void test_ConstructorLorg_eclipse_swt_graphics_DeviceLorg_eclipse_swt_graphics_ImageDataLorg_eclipse_swt_graphics_ImageDataII() {
    // Test new Cursor(Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY)
    int numFormats = SwtTestUtil.imageFormats.length;
    String fileName = SwtTestUtil.imageFilenames[0];
    for (int i = 0; i < numFormats; i++) {
        String format = SwtTestUtil.imageFormats[i];
        ImageLoader loader = new ImageLoader();
        try (InputStream stream = SwtTestUtil.class.getResourceAsStream(fileName + "." + format)) {
            ImageData source = loader.load(stream)[0];
            ImageData mask = source.getTransparencyMask();
            if (mask != null && (source.depth == 1)) {
                Cursor cursor = new Cursor(display, source, mask, 0, 0);
                cursor.dispose();
            }
        } catch (IOException e) {
        // continue;
        }
    }
}

Example 60 with Cursor

use of org.eclipse.swt.graphics.Cursor in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_Cursor method test_isDisposed.

@Test
public void test_isDisposed() {
    // Test Cursor.isDisposed() false
    Cursor cursor = new Cursor(display, SWT.CURSOR_WAIT);
    try {
        assertTrue("Cursor should not be disposed", !cursor.isDisposed());
    } finally {
        // Test Cursor.isDisposed() true
        cursor.dispose();
        assertTrue("Cursor should be disposed", cursor.isDisposed());
    }
}