/**
* Sets the font that the receiver will use to paint textual information for the specified cell in
* this item to the font specified by the argument, or to the default font for that kind of
* control if the argument is null.
*
* @param index the column index
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @since 3.0
*/
public void setFont(int index, Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return;
if (cellFont == null) {
if (font == null) return;
cellFont = new Font[count];
}
Font oldFont = cellFont[index];
if (oldFont == font) return;
cellFont[index] = font;
if (oldFont != null && oldFont.equals(font)) return;
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
int /*long*/ fontHandle = font != null ? font.handle : 0;
OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_FONT, fontHandle, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
if (font != null) {
boolean customDraw =
(parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns[index].customDraw;
if (!customDraw) {
if ((parent.style & SWT.VIRTUAL) == 0) {
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (parent.columnCount > 0) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return;
int /*long*/ textRenderer = parent.getTextRenderer(column);
int /*long*/ imageRenderer = parent.getPixbufRenderer(column);
OS.gtk_tree_view_column_set_cell_data_func(
column, textRenderer, display.cellDataProc, parentHandle, 0);
OS.gtk_tree_view_column_set_cell_data_func(
column, imageRenderer, display.cellDataProc, parentHandle, 0);
}
if (parent.columnCount == 0) {
parent.firstCustomDraw = true;
} else {
parent.columns[index].customDraw = true;
}
}
}
}
/**
* Sets the receiver's image at a column.
*
* @param index the column index
* @param image the new image
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setImage(int index, Image image) {
checkWidget();
if (image != null && image.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
if (image != null && image.type == SWT.ICON) {
if (image.equals(_getImage(index))) return;
}
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return;
int /*long*/ pixbuf = 0;
if (image != null) {
ImageList imageList = parent.imageList;
if (imageList == null) imageList = parent.imageList = new ImageList();
int imageIndex = imageList.indexOf(image);
if (imageIndex == -1) imageIndex = imageList.add(image);
pixbuf = imageList.getPixbuf(imageIndex);
}
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_PIXBUF, pixbuf, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
/*
* Bug in GTK. When in fixed height mode, GTK does not recalculate the cell renderer width
* when the image is changed in the model. The fix is to force it to recalculate the width if
* more space is required.
*/
if ((parent.style & SWT.VIRTUAL) != 0 && parent.currentItem == null) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2)) {
if (image != null) {
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = OS.gtk_tree_view_get_column(parentHandle, index);
int[] w = new int[1];
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
OS.gtk_tree_view_column_cell_get_position(column, pixbufRenderer, null, w);
if (w[0] < image.getBounds().width) {
/*
* There is no direct way to clear the cell renderer width so we
* are relying on the fact that it is done as part of modifying
* the style.
*/
int /*long*/ style = OS.gtk_widget_get_modifier_style(parentHandle);
parent.modifyStyle(parentHandle, style);
}
}
}
}
cached = true;
}
/**
* Sets the receiver's text. The string may include the mnemonic character.
*
* <p>Mnemonics are indicated by an '&' that causes the next character to be the mnemonic.
* When the user presses a key sequence that matches the mnemonic, a selection event occurs. On
* most platforms, the mnemonic appears underlined but may be emphasised in a platform specific
* manner. The mnemonic indicator character '&' can be escaped by doubling it in the string,
* causing a single '&' to be displayed.
*
* @param string the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setText(String string) {
checkWidget();
if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
if (string.equals(this.text)) return;
super.setText(string);
if (labelHandle == 0) return;
char[] chars = fixMnemonic(string);
byte[] buffer = Converter.wcsToMbcs(null, chars, true);
OS.gtk_label_set_text_with_mnemonic(labelHandle, buffer);
if ((style & SWT.DROP_DOWN) != 0 && OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
if (string.length() != 0) {
OS.gtk_widget_show(labelHandle);
} else {
OS.gtk_widget_hide(labelHandle);
}
}
/*
* If Text/Image of a tool-item changes, then it is
* required to reset the proxy menu. Otherwise, the
* old menuItem appears in the overflow menu.
*/
if ((style & SWT.DROP_DOWN) != 0) {
proxyMenuItem = 0;
proxyMenuItem = OS.gtk_tool_item_retrieve_proxy_menu_item(handle);
OS.g_signal_connect(
proxyMenuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle);
}
parent.relayout();
}
/**
* Enables the receiver if the argument is <code>true</code>, and disables it otherwise.
*
* <p>A disabled control is typically not selectable from the user interface and draws with an
* inactive or "grayed" look.
*
* @param enabled the new enabled state
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setEnabled(boolean enabled) {
checkWidget();
long /*int*/ topHandle = topHandle();
if (OS.GTK_WIDGET_SENSITIVE(topHandle) == enabled) return;
OS.gtk_widget_set_sensitive(topHandle, enabled);
if (enabled) {
/*
* Bug in GTK. GtkButton requires an enter notify before it
* allows the button to be pressed, but events are dropped when
* widgets are insensitive. The fix is to hide and show the
* button if the pointer is within its bounds.
*/
int[] x = new int[1], y = new int[1];
OS.gdk_window_get_pointer(parent.paintWindow(), x, y, null);
if (getBounds().contains(x[0], y[0])) {
OS.gtk_widget_hide(handle);
OS.gtk_widget_show(handle);
}
} else {
/*
* Bug in GTK. Starting with 2.14, if a button is disabled
* through on a button press, the field which keeps track
* whether the pointer is currently in the button is never updated.
* As a result, when it is re-enabled it automatically enters
* a PRELIGHT state. The fix is to set a NORMAL state.
*/
if (OS.GTK_VERSION >= OS.VERSION(2, 14, 0)) {
OS.gtk_widget_set_state(topHandle, OS.GTK_STATE_NORMAL);
}
}
}
long /*int*/ gtk_clicked(long /*int*/ widget) {
Event event = new Event();
if ((style & SWT.DROP_DOWN) != 0) {
long /*int*/ eventPtr = OS.gtk_get_current_event();
if (eventPtr != 0) {
GdkEvent gdkEvent = new GdkEvent();
OS.memmove(gdkEvent, eventPtr, GdkEvent.sizeof);
long /*int*/ topHandle = topHandle();
switch (gdkEvent.type) {
case OS.GDK_KEY_RELEASE: // Fall Through..
case OS.GDK_BUTTON_PRESS:
case OS.GDK_2BUTTON_PRESS:
case OS.GDK_BUTTON_RELEASE:
{
boolean isArrow = false;
if (OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
double[] x_win = new double[1];
double[] y_win = new double[1];
OS.gdk_event_get_coords(eventPtr, x_win, y_win);
int x = OS.GTK_WIDGET_X(arrowHandle) - OS.GTK_WIDGET_X(handle);
int width = OS.GTK_WIDGET_WIDTH(arrowHandle);
if ((((parent.style & SWT.RIGHT_TO_LEFT) == 0) && x <= (int) x_win[0])
|| (((parent.style & SWT.RIGHT_TO_LEFT) != 0) && (int) x_win[0] <= x + width)) {
isArrow = true;
}
} else if (widget == arrowHandle) {
isArrow = true;
topHandle = widget;
/*
* Feature in GTK. ArrowButton stays in toggled state if there is no popup menu.
* It is required to set back the state of arrow to normal state after it is clicked.
*/
OS.g_signal_handlers_block_matched(
widget, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
OS.gtk_toggle_button_set_active(widget, false);
OS.g_signal_handlers_unblock_matched(
widget, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
}
if (isArrow) {
event.detail = SWT.ARROW;
event.x = OS.GTK_WIDGET_X(topHandle);
if ((parent.style & SWT.MIRRORED) != 0)
event.x = parent.getClientWidth() - OS.GTK_WIDGET_WIDTH(topHandle) - event.x;
event.y = OS.GTK_WIDGET_Y(topHandle) + OS.GTK_WIDGET_HEIGHT(topHandle);
}
break;
}
}
OS.gdk_event_free(eventPtr);
}
}
if ((style & SWT.RADIO) != 0) {
if ((parent.getStyle() & SWT.NO_RADIO_GROUP) == 0) {
selectRadio();
}
}
sendSelectionEvent(SWT.Selection, event, false);
return 0;
}
@Override
void setBackgroundColor(long /*int*/ context, long /*int*/ handle, GdkRGBA rgba) {
if (OS.GTK_VERSION >= OS.VERSION(3, 16, 0)) {
String css = "GtkToolbar {background-color: " + gtk_rgba_to_css_string(rgba) + "}";
gtk_css_provider_load_from_css(context, css);
} else {
super.setBackgroundColor(context, handle, rgba);
}
}
void showWidget(int index) {
if (handle != 0) OS.gtk_widget_show(handle);
if (labelHandle != 0) OS.gtk_widget_show(labelHandle);
if (imageHandle != 0) OS.gtk_widget_show(imageHandle);
if ((style & SWT.DROP_DOWN) != 0 && OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
if (arrowBoxHandle != 0) OS.gtk_widget_show(arrowBoxHandle);
if (arrowHandle != 0) OS.gtk_widget_show(arrowHandle);
}
OS.gtk_toolbar_insert(parent.handle, handle, index);
}
/**
* Sets the receiver's background color to the color specified by the argument, or to the default
* system color for the item if the argument is null.
*
* @param color the new color (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @since 2.0
*/
public void setBackground(Color color) {
checkWidget();
if (color != null && color.isDisposed()) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
if (_getBackground().equals(color)) return;
GdkColor gdkColor = color != null ? color.handle : null;
OS.gtk_list_store_set(parent.modelHandle, handle, Table.BACKGROUND_COLUMN, gdkColor, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
}
void clear() {
if (parent.currentItem == this) return;
if (cached || (parent.style & SWT.VIRTUAL) == 0) {
int columnCount = OS.gtk_tree_model_get_n_columns(parent.modelHandle);
for (int i = 0; i < columnCount; i++) {
OS.gtk_list_store_set(parent.modelHandle, handle, i, 0, -1);
}
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
}
cached = false;
font = null;
cellFont = null;
}
/**
* Sets the receiver's text at a column
*
* @param index the column index
* @param string the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setText(int index, String string) {
checkWidget();
if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
if (_getText(index).equals(string)) return;
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return;
byte[] buffer = Converter.wcsToMbcs(null, string, true);
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, buffer, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
}
/**
* Sets the font that the receiver will use to paint textual information for this item to the font
* specified by the argument, or to the default font for that kind of control if the argument is
* null.
*
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @since 3.0
*/
public void setFont(Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
Font oldFont = this.font;
if (oldFont == font) return;
this.font = font;
if (oldFont != null && oldFont.equals(font)) return;
int /*long*/ fontHandle = font != null ? font.handle : 0;
OS.gtk_list_store_set(parent.modelHandle, handle, Table.FONT_COLUMN, fontHandle, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
}
/**
* Returns a rectangle describing the size and location relative to its parent of an image at a
* column in the table. An empty rectangle is returned if index exceeds the index of the table's
* last column.
*
* @param index the index that specifies the column
* @return the receiver's bounding image rectangle
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public Rectangle getImageBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
if (pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);
GdkRectangle rect = new GdkRectangle();
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
/*
* The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn
* by the cell renderer. If there is no image in the cell, the width is zero. If the table contains
* images of varying widths, gtk_cell_renderer_get_size() will return the width of the image,
* not the width of the area in which the image is drawn.
* New API was added in GTK 2.1.3 for determining the full width of the renderer area.
* For earlier versions of GTK, the result is only correct if all rows have images of the same
* width.
*/
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
int[] x = new int[1], w = new int[1];
OS.gtk_tree_view_column_cell_get_position(column, pixbufRenderer, x, w);
rect.x += x[0];
rect.width = w[0];
} else {
int[] w = new int[1];
OS.gtk_tree_view_column_cell_set_cell_data(column, parent.modelHandle, handle, false, false);
OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
rect.width = w[0];
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}
/**
* Returns a rectangle describing the receiver's size and location relative to its parent at a
* column in the table.
*
* @param index the index that specifies the column
* @return the receiver's bounding column rectangle
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public Rectangle getBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
GdkRectangle rect = new GdkRectangle();
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
if (index == 0 && (parent.style & SWT.CHECK) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
int[] x = new int[1], w = new int[1];
OS.gtk_tree_view_column_cell_get_position(column, parent.checkRenderer, x, w);
rect.x += x[0] + w[0];
rect.width -= x[0] + w[0];
} else {
int[] w = new int[1];
OS.gtk_cell_renderer_get_size(
parent.checkRenderer, parentHandle, null, null, null, w, null);
int[] buffer = new int[1];
OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
rect.x += w[0] + buffer[0];
rect.width -= w[0] + buffer[0];
}
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}
@Override
LRESULT WM_IME_COMPOSITION(long /*int*/ wParam, long /*int*/ lParam) {
if (ime != null) {
LRESULT result = ime.WM_IME_COMPOSITION(wParam, lParam);
if (result != null) return result;
}
/*
* Bug in Windows. On Korean Windows XP, the IME window
* for the Korean Input System (MS-IME 2002) always opens
* in the top left corner of the screen, despite the fact
* that ImmSetCompositionWindow() was called to position
* the IME when focus is gained. The fix is to position
* the IME on every WM_IME_COMPOSITION message.
*/
if (!OS.IsWinCE && OS.WIN32_VERSION == OS.VERSION(5, 1)) {
if (OS.IsDBLocale) {
short langID = OS.GetSystemDefaultUILanguage();
short primaryLang = OS.PRIMARYLANGID(langID);
if (primaryLang == OS.LANG_KOREAN) {
if (caret != null && caret.isFocusCaret()) {
POINT ptCurrentPos = new POINT();
if (OS.GetCaretPos(ptCurrentPos)) {
COMPOSITIONFORM lpCompForm = new COMPOSITIONFORM();
lpCompForm.dwStyle = OS.CFS_POINT;
lpCompForm.x = ptCurrentPos.x;
lpCompForm.y = ptCurrentPos.y;
long /*int*/ hIMC = OS.ImmGetContext(handle);
OS.ImmSetCompositionWindow(hIMC, lpCompForm);
OS.ImmReleaseContext(handle, hIMC);
}
}
}
}
}
return super.WM_IME_COMPOSITION(wParam, lParam);
}
/**
* This implementation of <code>javaToNative</code> converts an ImageData object represented by
* java <code>ImageData</code> to a platform specific representation.
*
* @param object a java <code>ImageData</code> containing the ImageData to be converted
* @param transferData an empty <code>TransferData</code> object that will be filled in on return
* with the platform specific format of the data
* @see Transfer#nativeToJava
*/
public void javaToNative(Object object, TransferData transferData) {
if (!checkImage(object) || !isSupportedType(transferData)) {
DND.error(DND.ERROR_INVALID_DATA);
}
if (OS.GTK_VERSION < OS.VERSION(2, 4, 0)) return;
ImageData imgData = (ImageData) object;
if (imgData == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
Image image = new Image(Display.getCurrent(), imgData);
long /*int*/ pixbuf = ImageList.createPixbuf(image);
if (pixbuf != 0) {
String typeStr = "";
if (transferData.type == JPEG_ID) typeStr = "jpeg";
else if (transferData.type == PNG_ID) typeStr = "png";
else if (transferData.type == BMP_ID) typeStr = "bmp";
else if (transferData.type == EPS_ID) typeStr = "eps";
else if (transferData.type == PCX_ID) typeStr = "pcx";
else if (transferData.type == PPM_ID) typeStr = "ppm";
else if (transferData.type == RGB_ID) typeStr = "rgb";
else if (transferData.type == TGA_ID) typeStr = "tga";
else if (transferData.type == XBM_ID) typeStr = "xbm";
else if (transferData.type == XPM_ID) typeStr = "xpm";
else if (transferData.type == XV_ID) typeStr = "xv";
byte[] type = Converter.wcsToMbcs(null, typeStr, true);
long /*int*/[] buffer = new long /*int*/[1];
long /*int*/[] len = new long /*int*/[1];
if (type == null) return;
OS.gdk_pixbuf_save_to_bufferv(pixbuf, buffer, len, type, null, null, null);
OS.g_object_unref(pixbuf);
transferData.pValue = buffer[0];
transferData.length = (int) (len[0] + 3) / 4 * 4;
transferData.result = 1;
transferData.format = 32;
}
image.dispose();
}
void hookEvents() {
super.hookEvents();
if ((style & SWT.SEPARATOR) != 0) return;
OS.g_signal_connect_closure(handle, OS.clicked, display.closures[CLICKED], false);
/*
* Feature in GTK. GtkToolItem does not respond to basic listeners
* such as button-press, enter-notify to it. The fix is to assign
* the listener to child (GtkButton) of the tool-item.
*/
eventHandle = OS.gtk_bin_get_child(handle);
if ((style & SWT.DROP_DOWN) != 0 && OS.GTK_VERSION >= OS.VERSION(2, 6, 0)) {
long /*int*/ list = OS.gtk_container_get_children(eventHandle);
eventHandle = OS.g_list_nth_data(list, 0);
if (arrowHandle != 0)
OS.g_signal_connect_closure(arrowHandle, OS.clicked, display.closures[CLICKED], false);
}
OS.g_signal_connect_closure(
handle, OS.create_menu_proxy, display.closures[CREATE_MENU_PROXY], false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[ENTER_NOTIFY_EVENT],
0,
display.closures[ENTER_NOTIFY_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[LEAVE_NOTIFY_EVENT],
0,
display.closures[LEAVE_NOTIFY_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle, display.signalIds[FOCUS_IN_EVENT], 0, display.closures[FOCUS_IN_EVENT], false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[FOCUS_OUT_EVENT],
0,
display.closures[FOCUS_OUT_EVENT],
false);
/*
* Feature in GTK. Usually, GTK widgets propagate all events to their
* parent when they are done their own processing. However, in contrast
* to other widgets, the buttons that make up the tool items, do not propagate
* the mouse up/down events. It is interesting to note that they DO propagate
* mouse motion events. The fix is to explicitly forward mouse up/down events
* to the parent.
*/
int mask =
OS.GDK_EXPOSURE_MASK
| OS.GDK_POINTER_MOTION_MASK
| OS.GDK_BUTTON_PRESS_MASK
| OS.GDK_BUTTON_RELEASE_MASK
| OS.GDK_ENTER_NOTIFY_MASK
| OS.GDK_LEAVE_NOTIFY_MASK
| OS.GDK_KEY_PRESS_MASK
| OS.GDK_KEY_RELEASE_MASK
| OS.GDK_FOCUS_CHANGE_MASK;
OS.gtk_widget_add_events(eventHandle, mask);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[BUTTON_PRESS_EVENT],
0,
display.closures[BUTTON_PRESS_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[BUTTON_RELEASE_EVENT],
0,
display.closures[BUTTON_RELEASE_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle, display.signalIds[EVENT_AFTER], 0, display.closures[EVENT_AFTER], false);
long /*int*/ topHandle = topHandle();
OS.g_signal_connect_closure_by_id(
topHandle, display.signalIds[MAP], 0, display.closures[MAP], true);
}
void createHandle(int index) {
state |= HANDLE;
int bits = SWT.SEPARATOR | SWT.RADIO | SWT.CHECK | SWT.PUSH | SWT.DROP_DOWN;
if ((style & SWT.SEPARATOR) == 0) {
labelHandle = OS.gtk_label_new_with_mnemonic(null);
if (labelHandle == 0) error(SWT.ERROR_NO_HANDLES);
imageHandle = OS.gtk_image_new_from_pixbuf(0);
if (imageHandle == 0) error(SWT.ERROR_NO_HANDLES);
}
switch (style & bits) {
case SWT.SEPARATOR:
handle = OS.gtk_separator_tool_item_new();
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_separator_tool_item_set_draw(handle, true);
break;
case SWT.DROP_DOWN:
if (OS.GTK_VERSION >= OS.VERSION(2, 6, 0)) {
handle = OS.gtk_menu_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
/*
* Feature in GTK. The arrow button of DropDown tool-item is
* disabled when it does not contain menu. The fix is to
* find the arrow button handle and enable it.
*/
long /*int*/ child = OS.gtk_bin_get_child(handle);
long /*int*/ list = OS.gtk_container_get_children(child);
arrowHandle = OS.g_list_nth_data(list, 1);
OS.gtk_widget_set_sensitive(arrowHandle, true);
OS.gtk_widget_set_size_request(OS.gtk_bin_get_child(arrowHandle), 8, 6);
} else {
/*
* GTK does not support GtkMenuToolButton until 2.6.
* So, we try to emulate it on the un-supported version.
*/
handle = OS.gtk_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
arrowBoxHandle = OS.gtk_hbox_new(false, 0);
if (arrowBoxHandle == 0) error(SWT.ERROR_NO_HANDLES);
arrowHandle = OS.gtk_arrow_new(OS.GTK_ARROW_DOWN, OS.GTK_SHADOW_NONE);
if (arrowHandle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_widget_set_size_request(arrowHandle, 8, 6);
OS.gtk_container_add(arrowBoxHandle, labelHandle);
OS.gtk_container_add(arrowBoxHandle, arrowHandle);
/*
* As we are try to emulate GtkMenuToolButton and in order
* to display both the label and image, it is required
* the set the toolitem as important. This will entitle
* to display the label all the times.
*/
OS.gtk_tool_item_set_is_important(handle, true);
}
break;
case SWT.RADIO:
/*
* Because GTK enforces radio behavior in a button group
* a radio group is not created for each set of contiguous
* buttons, each radio button will not draw unpressed.
* The fix is to use toggle buttons instead.
*/
case SWT.CHECK:
handle = OS.gtk_toggle_tool_button_new();
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
break;
case SWT.PUSH:
default:
handle = OS.gtk_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
break;
}
if (labelHandle != 0) {
OS.gtk_tool_button_set_label_widget(handle, labelHandle);
}
if (imageHandle != 0) {
OS.gtk_tool_button_set_icon_widget(handle, imageHandle);
}
if ((parent.state & FOREGROUND) != 0) {
setForegroundColor(parent.getForegroundColor());
}
if ((parent.state & FONT) != 0) {
setFontDescription(parent.getFontDescription());
}
/*
* Feature in GTK. GtkToolButton class uses this property to
* determine whether to show or hide its label when the toolbar
* style is GTK_TOOLBAR_BOTH_HORIZ (or SWT.RIGHT).
*/
if ((parent.style & SWT.RIGHT) != 0) OS.gtk_tool_item_set_is_important(handle, true);
if ((style & SWT.SEPARATOR) == 0) OS.gtk_tool_button_set_use_underline(handle, true);
}
/**
* Returns a rectangle describing the size and location relative to its parent of the text at a
* column in the table. An empty rectangle is returned if index exceeds the index of the table's
* last column.
*
* @param index the index that specifies the column
* @return the receiver's bounding text rectangle
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @since 3.3
*/
public Rectangle getTextBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return new Rectangle(0, 0, 0, 0);
// TODO fully test on early and later versions of GTK
// shifted a bit too far right on later versions of GTK - however, old Tree also had this
// problem
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ textRenderer = parent.getTextRenderer(column);
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
if (textRenderer == 0 || pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
boolean isExpander = OS.gtk_tree_model_iter_n_children(parent.modelHandle, handle) > 0;
boolean isExpanded = OS.gtk_tree_view_row_expanded(parentHandle, path);
OS.gtk_tree_view_column_cell_set_cell_data(
column, parent.modelHandle, handle, isExpander, isExpanded);
GdkRectangle rect = new GdkRectangle();
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
int right = rect.x + rect.width;
int[] x = new int[1], w = new int[1];
parent.ignoreSize = true;
OS.gtk_cell_renderer_get_size(textRenderer, parentHandle, null, null, null, w, null);
parent.ignoreSize = false;
int[] buffer = new int[1];
if (OS.gtk_tree_view_get_expander_column(parentHandle) == column) {
OS.gtk_widget_style_get(parentHandle, OS.expander_size, buffer, 0);
rect.x += buffer[0] + TreeItem.EXPANDER_EXTRA_PADDING;
}
OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
int horizontalSeparator = buffer[0];
rect.x += horizontalSeparator;
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
OS.gtk_tree_view_column_cell_get_position(column, textRenderer, x, null);
rect.x += x[0];
} else {
if ((parent.style & SWT.CHECK) != 0) {
OS.gtk_cell_renderer_get_size(
parent.checkRenderer, parentHandle, null, null, null, w, null);
rect.x += w[0] + horizontalSeparator;
}
OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
rect.x += w[0] + horizontalSeparator;
}
if (parent.columnCount > 0) {
if (rect.x + rect.width > right) {
rect.width = Math.max(0, right - rect.x);
}
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}