/**
* Initialize the toolbar with icons and selection listeners in the appropriate part of the window
*/
public void initToolbar() {
Device dev = shell.getDisplay();
try {
exitImg = new Image(dev, "img/exit.png");
// openImg = new Image(dev, "img/open.png");
playImg = new Image(dev, "img/play.png");
// pauseImg = new Image(dev, "img/pause.png");
} catch (Exception e) {
System.out.println("Cannot load images");
System.out.println(e.getMessage());
System.exit(1);
}
ToolBar toolBar = new ToolBar(shell, SWT.BORDER);
GridData gridData = new GridData();
gridData.horizontalAlignment = GridData.FILL;
gridData.grabExcessHorizontalSpace = true;
toolBar.setLayoutData(gridData);
ToolItem exit = new ToolItem(toolBar, SWT.PUSH);
exit.setImage(exitImg);
// ToolItem open = new ToolItem(toolBar, SWT.PUSH);
// exit.setImage(openImg);
ToolItem play = new ToolItem(toolBar, SWT.PUSH);
play.setImage(playImg);
// ToolItem pause = new ToolItem(toolBar, SWT.PUSH);
// pause.setImage(pauseImg);
toolBar.pack();
exit.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.exit(0);
}
});
// open.addSelectionListener(new SelectionAdapter() {
// @Override
// public void widgetSelected(SelectionEvent e) {
// FileDialog dialog = new FileDialog(shell, SWT.NULL);
// String path = dialog.open();
// }
// });
play.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
controller.RunAnimation();
}
});
}
void click(boolean dropDown) {
long /*int*/ hwnd = parent.handle;
if (OS.GetKeyState(OS.VK_LBUTTON) < 0) return;
int index = (int) /*64*/ OS.SendMessage(hwnd, OS.TB_COMMANDTOINDEX, id, 0);
RECT rect = new RECT();
OS.SendMessage(hwnd, OS.TB_GETITEMRECT, index, rect);
int hotIndex = (int) /*64*/ OS.SendMessage(hwnd, OS.TB_GETHOTITEM, 0, 0);
/*
* In order to emulate all the processing that
* happens when a mnemonic key is pressed, fake
* a mouse press and release. This will ensure
* that radio and pull down items are handled
* properly.
*/
int y = rect.top + (rect.bottom - rect.top) / 2;
long /*int*/ lParam = OS.MAKELPARAM(dropDown ? rect.right - 1 : rect.left, y);
parent.ignoreMouse = true;
OS.SendMessage(hwnd, OS.WM_LBUTTONDOWN, 0, lParam);
OS.SendMessage(hwnd, OS.WM_LBUTTONUP, 0, lParam);
parent.ignoreMouse = false;
if (hotIndex != -1) {
OS.SendMessage(hwnd, OS.TB_SETHOTITEM, hotIndex, 0);
}
}
public void setImage(Image image) {
checkWidget();
if ((style & SWT.SEPARATOR) != 0) return;
super.setImage(image);
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);
} else {
imageList.put(imageIndex, image);
}
long /*int*/ pixbuf = imageList.getPixbuf(imageIndex);
OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf);
} else {
OS.gtk_image_set_from_pixbuf(imageHandle, 0);
}
/*
* 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();
}
void releaseImages() {
TBBUTTONINFO info = new TBBUTTONINFO();
info.cbSize = TBBUTTONINFO.sizeof;
info.dwMask = OS.TBIF_IMAGE | OS.TBIF_STYLE;
long /*int*/ hwnd = parent.handle;
OS.SendMessage(hwnd, OS.TB_GETBUTTONINFO, id, info);
/*
* Feature in Windows. For some reason, a tool item that has
* the style BTNS_SEP does not return I_IMAGENONE when queried
* for an image index, despite the fact that no attempt has been
* made to assign an image to the item. As a result, operations
* on an image list that use the wrong index cause random results.
* The fix is to ensure that the tool item is not a separator
* before using the image index. Since separators cannot have
* an image and one is never assigned, this is not a problem.
*/
if ((info.fsStyle & OS.BTNS_SEP) == 0 && info.iImage != OS.I_IMAGENONE) {
ImageList imageList = parent.getImageList();
ImageList hotImageList = parent.getHotImageList();
ImageList disabledImageList = parent.getDisabledImageList();
if (imageList != null) imageList.put(info.iImage, null);
if (hotImageList != null) hotImageList.put(info.iImage, null);
if (disabledImageList != null) disabledImageList.put(info.iImage, null);
}
}
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;
}
/**
* Returns a rectangle describing the receiver's size and location relative to its parent.
*
* @return the receiver's bounding 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() {
checkWidget();
parent.forceResize();
long /*int*/ topHandle = topHandle();
int x, y, width, height;
x = OS.GTK_WIDGET_X(topHandle);
y = OS.GTK_WIDGET_Y(topHandle);
width = OS.GTK_WIDGET_WIDTH(topHandle);
height = OS.GTK_WIDGET_HEIGHT(topHandle);
if ((parent.style & SWT.MIRRORED) != 0) x = parent.getClientWidth() - width - x;
if ((style & SWT.SEPARATOR) != 0 && control != null) height = Math.max(height, 23);
return new Rectangle(x, y, width, height);
}
boolean isTabGroup() {
ToolItem[] tabList = parent._getTabItemList();
if (tabList != null) {
for (int i = 0; i < tabList.length; i++) {
if (tabList[i] == this) return true;
}
}
if ((style & SWT.SEPARATOR) != 0) return true;
int index = parent.indexOf(this);
if (index == 0) return true;
ToolItem previous = parent.getItem(index - 1);
return (previous.getStyle() & SWT.SEPARATOR) != 0;
}
void createHandle(int index) {
int parentHandle = parent.handle;
if ((style & SWT.SEPARATOR) != 0) {
int orientation = (parent.style & SWT.HORIZONTAL) != 0 ? OS.XmVERTICAL : OS.XmHORIZONTAL;
int[] argList = {
OS.XmNheight,
orientation == OS.XmVERTICAL ? DEFAULT_HEIGHT : DEFAULT_SEPARATOR_WIDTH,
OS.XmNwidth,
orientation == OS.XmHORIZONTAL ? DEFAULT_WIDTH : DEFAULT_SEPARATOR_WIDTH,
OS.XmNancestorSensitive,
1,
OS.XmNpositionIndex,
index,
OS.XmNorientation,
orientation,
OS.XmNseparatorType,
(parent.style & SWT.FLAT) != 0 ? OS.XmSHADOW_ETCHED_IN : OS.XmSHADOW_ETCHED_OUT,
};
handle = OS.XmCreateSeparator(parentHandle, null, argList, argList.length / 2);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
return;
}
int[] argList = {
OS.XmNwidth,
DEFAULT_WIDTH,
OS.XmNheight,
DEFAULT_HEIGHT,
OS.XmNrecomputeSize,
0,
OS.XmNhighlightThickness,
(parent.style & SWT.NO_FOCUS) != 0 ? 0 : 1,
OS.XmNmarginWidth,
2,
OS.XmNmarginHeight,
1,
OS.XmNtraversalOn,
(parent.style & SWT.NO_FOCUS) != 0 ? 0 : 1,
OS.XmNpositionIndex,
index,
OS.XmNshadowType,
OS.XmSHADOW_OUT,
OS.XmNancestorSensitive,
1,
};
handle = OS.XmCreateDrawnButton(parentHandle, null, argList, argList.length / 2);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
Control control = parent.findBackgroundControl();
if (control == null) control = parent;
setBackgroundPixel(parent.getBackgroundPixel());
}
/**
* Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems.
*
* @param width the new width
* @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 setWidth(int width) {
checkWidget();
if ((style & SWT.SEPARATOR) == 0) return;
if (width < 0 || this.width == width) return;
this.width = width;
parent.relayout();
}
int XButtonRelease(int w, int client_data, int call_data, int continue_to_dispatch) {
display.hideToolTip();
XButtonEvent xEvent = new XButtonEvent();
OS.memmove(xEvent, call_data, XButtonEvent.sizeof);
/*
* Forward the mouse event to the parent.
* This is necessary so that mouse listeners
* in the parent will be called, despite the
* fact that the event did not really occur
* in X in the parent. This is done to be
* compatible with Windows.
*/
int[] argList = {OS.XmNx, 0, OS.XmNy, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
xEvent.window = OS.XtWindow(parent.handle);
xEvent.x += argList[1];
xEvent.y += argList[3];
OS.memmove(call_data, xEvent, XButtonEvent.sizeof);
int result = parent.XButtonRelease(w, client_data, call_data, continue_to_dispatch);
xEvent.x -= argList[1];
xEvent.y -= argList[3];
if (result == 0 && xEvent.button == 1) {
int[] argList2 = {OS.XmNwidth, 0, OS.XmNheight, 0};
OS.XtGetValues(handle, argList2, argList2.length / 2);
int width = argList2[1], height = argList2[3];
if (0 <= xEvent.x && xEvent.x < width && 0 <= xEvent.y && xEvent.y < height) {
click(xEvent.x > width - 12, xEvent.state);
}
setDrawPressed(set);
}
return result;
}
/**
* Sets the selection state of the receiver.
*
* <p>When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, it is selected when
* it is checked (which some platforms draw as a pushed in button).
*
* @param selected the new selection 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 setSelection(boolean selected) {
checkWidget();
if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return;
long /*int*/ hwnd = parent.handle;
int fsState = (int) /*64*/ OS.SendMessage(hwnd, OS.TB_GETSTATE, id, 0);
/*
* Feature in Windows. When TB_SETSTATE is used to set the
* state of a tool item, the item redraws even when the state
* has not changed. The fix is to detect this case and avoid
* setting the state.
*/
if (((fsState & OS.TBSTATE_CHECKED) != 0) == selected) return;
if (selected) {
fsState |= OS.TBSTATE_CHECKED;
} else {
fsState &= ~OS.TBSTATE_CHECKED;
}
OS.SendMessage(hwnd, OS.TB_SETSTATE, id, fsState);
/*
* Bug in Windows. When a tool item with the style
* BTNS_CHECK or BTNS_CHECKGROUP is selected and then
* disabled, the item does not draw using the disabled
* image. The fix is to use the disabled image in all
* image lists for the item.
*
* NOTE: This means that the image list must be updated
* when the selection changes in a disabled tool item.
*/
if ((style & (SWT.CHECK | SWT.RADIO)) != 0) {
if (!getEnabled() || !parent.getEnabled()) {
updateImages(false);
}
}
}
public void setImage(Image image) {
checkWidget();
if ((style & SWT.SEPARATOR) != 0) return;
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
super.setImage(image);
updateImages(getEnabled() && parent.getEnabled());
}
/**
* 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);
}
}
}
int XKeyPress(int w, int client_data, int call_data, int continue_to_dispatch) {
int result = 0;
XKeyEvent xEvent = new XKeyEvent();
OS.memmove(xEvent, call_data, XKeyEvent.sizeof);
int[] keysym = new int[1];
OS.XLookupString(xEvent, null, 0, keysym, null);
keysym[0] &= 0xFFFF;
switch (keysym[0]) {
case OS.XK_space:
click(false, xEvent.state);
result = 1;
break;
case OS.XK_Down:
if ((style & SWT.DROP_DOWN) != 0) {
click(true, xEvent.state);
result = 1;
}
break;
}
/*
* Forward the key event to the parent.
* This is necessary so that key listeners
* in the parent will be called, despite the
* fact that the event did not really occur
* in X in the parent. This is done to be
* compatible with Windows.
*/
xEvent.window = OS.XtWindow(parent.handle);
// OS.memmove (callData, xEvent, XKeyEvent.sizeof);
parent.XKeyPress(w, client_data, call_data, continue_to_dispatch);
if (result == 1) {
OS.memmove(continue_to_dispatch, new int[1], 4);
}
return result;
}
int XPointerMotion(int w, int client_data, int call_data, int continue_to_dispatch) {
display.addMouseHoverTimeOut(handle);
/*
* Forward the mouse event to the parent.
* This is necessary so that mouse listeners
* in the parent will be called, despite the
* fact that the event did not really occur
* in X in the parent. This is done to be
* compatible with Windows.
*/
XMotionEvent xEvent = new XMotionEvent();
OS.memmove(xEvent, call_data, XMotionEvent.sizeof);
int[] argList = {OS.XmNx, 0, OS.XmNy, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
xEvent.window = OS.XtWindow(parent.handle);
xEvent.x += argList[1];
xEvent.y += argList[3];
/*
* This code is intentionally commented.
* Currently, the implementation of the
* mouse move code in the parent interferes
* with tool tips for tool items.
*/
// OS.memmove (callData, xEvent, XButtonEvent.sizeof);
// parent.XPointerMotion (w, client_data, call_data, continue_to_dispatch);
if (!parent.sendMouseEvent(SWT.MouseMove, xEvent)) {
OS.memmove(continue_to_dispatch, new int[1], 4);
return 1;
}
return 0;
}
/**
* Sets the control that is used to fill the bounds of the item when the item is a <code>SEPARATOR
* </code>.
*
* @param control the new control
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the control has been disposed
* <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree
* </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 setControl(Control control) {
checkWidget();
if (control != null) {
if (control.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if (control.parent != parent) error(SWT.ERROR_INVALID_PARENT);
}
if ((style & SWT.SEPARATOR) == 0) return;
if (this.control == control) return;
this.control = control;
int[] argList = {
OS.XmNseparatorType,
control == null
? ((parent.style & SWT.FLAT) != 0 ? OS.XmSHADOW_ETCHED_IN : OS.XmSHADOW_ETCHED_OUT)
: OS.XmNO_LINE,
};
OS.XtSetValues(handle, argList, argList.length / 2);
if (control != null && !control.isDisposed()) {
/*
* It is possible that the control was created with a
* z-order below that of the current tool item. In this
* case, the control is not visible because it is
* obscured by the tool item. The fix is to move the
* control above this tool item in the z-order.
* The code below is similar to the code found in
* setZOrder.
*/
int xDisplay = OS.XtDisplay(handle);
if (xDisplay == 0) return;
if (!OS.XtIsRealized(handle)) {
Shell shell = parent.getShell();
shell.realizeWidget();
}
int topHandle1 = control.topHandle();
int window1 = OS.XtWindow(topHandle1);
if (window1 == 0) return;
int topHandle2 = this.topHandle();
int window2 = OS.XtWindow(topHandle2);
if (window2 == 0) return;
XWindowChanges struct = new XWindowChanges();
struct.sibling = window2;
struct.stack_mode = OS.Above;
int screen = OS.XDefaultScreen(xDisplay);
int flags = OS.CWStackMode | OS.CWSibling;
OS.XReconfigureWMWindow(xDisplay, window1, screen, flags, struct);
}
parent.relayout();
}
/**
* Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems.
*
* @param width the new width. If the new value is <code>SWT.DEFAULT</code>, the width is a
* fixed-width area whose amount is determined by the platform. If the new value is 0 a
* vertical or horizontal line will be drawn, depending on the setting of the corresponding
* style bit (<code>SWT.VERTICAL</code> or <code>SWT.HORIZONTAL</code>). If the new value is
* <code>SWT.SEPARATOR_FILL</code> a variable-width space is inserted that acts as a spring
* between the two adjoining items which will push them out to the extent of the containing
* ToolBar.
* @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 setWidth(int width) {
checkWidget();
if ((style & SWT.SEPARATOR) == 0) return;
if (width < 0) return;
boolean isVertical = (parent.style & SWT.VERTICAL) != 0;
OS.gtk_widget_set_size_request(handle, width, isVertical ? 6 : 15);
parent.relayout();
}
void releaseWidget() {
super.releaseWidget();
if (parent.currentFocusItem == this) parent.currentFocusItem = null;
parent = null;
control = null;
hotImage = disabledImage = null;
toolTipText = null;
}
/**
* 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;
super.setText(string);
parent.relayout();
redraw();
}
/**
* 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();
OS.UIElement_IsEnabled(handle, enabled);
updateImages(enabled && parent.getEnabled());
if (arrowHandle != 0) {
OS.UIElement_Opacity(arrowHandle, enabled ? 1 : 0.4);
}
}
void releaseWidget() {
super.releaseWidget();
display.releaseToolTipHandle(handle);
if (parent.lastFocus == this) parent.lastFocus = null;
control = null;
toolTipText = null;
image = disabledImage = hotImage = null;
}
public void setImage(Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
super.setImage(image);
parent.relayout();
redraw();
}
int hoverProc(int id) {
boolean showTip = toolTipText != null;
parent.hoverProc(id, !showTip);
if (showTip) {
display.showToolTip(handle, toolTipText);
}
return 0;
}
boolean setTabItemFocus() {
if (parent.setTabItemFocus()) {
long /*int*/ hwnd = parent.handle;
int index = (int) /*64*/ OS.SendMessage(hwnd, OS.TB_COMMANDTOINDEX, id, 0);
OS.SendMessage(hwnd, OS.TB_SETHOTITEM, index, 0);
return true;
}
return false;
}
LRESULT wmCommandChild(long /*int*/ wParam, long /*int*/ lParam) {
if ((style & SWT.RADIO) != 0) {
if ((parent.getStyle() & SWT.NO_RADIO_GROUP) == 0) {
selectRadio();
}
}
sendSelectionEvent(SWT.Selection);
return null;
}
/**
* Constructs a new instance of this class given its parent (which must be a <code>ToolBar</code>
* ), a style value describing its behavior and appearance, and the index at which to place it in
* the items maintained by its parent.
*
* <p>The style value is either one of the style constants defined in class <code>SWT</code> which
* is applicable to instances of this class, or must be built by <em>bitwise OR</em>'ing together
* (that is, using the <code>int</code> "|" operator) two or more of those <code>SWT</code> style
* constants. The class description lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
* @param parent a composite control which will be the parent of the new instance (cannot be null)
* @param style the style of control to construct
* @param index the zero-relative index to store the receiver in its parent
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the parent is null
* <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the
* parent (inclusive)
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
* </ul>
*
* @see SWT#PUSH
* @see SWT#CHECK
* @see SWT#RADIO
* @see SWT#SEPARATOR
* @see SWT#DROP_DOWN
* @see Widget#checkSubclass
* @see Widget#getStyle
*/
public ToolItem(ToolBar parent, int style, int index) {
super(parent, checkStyle(style));
this.parent = parent;
int count = parent.getItemCount();
if (!(0 <= index && index <= count)) {
error(SWT.ERROR_INVALID_RANGE);
}
createWidget(index);
}
void selectRadio() {
int index = 0;
ToolItem[] items = parent.getItems();
while (index < items.length && items[index] != this) index++;
int i = index - 1;
while (i >= 0 && items[i].setRadioSelection(false)) --i;
int j = index + 1;
while (j < items.length && items[j].setRadioSelection(false)) j++;
setSelection(true);
}
/**
* Sets the control that is used to fill the bounds of the item when the item is a <code>SEPARATOR
* </code>.
*
* @param control the new control
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the control has been disposed
* <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree
* </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 setControl(Control control) {
checkWidget();
if (control != null) {
if (control.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if (control.parent != parent) error(SWT.ERROR_INVALID_PARENT);
}
if ((style & SWT.SEPARATOR) == 0) return;
if (this.control == control) return;
this.control = control;
parent.relayout();
}
/**
* Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems.
*
* @param width the new width. If the new value is <code>SWT.DEFAULT</code>, the width is a
* fixed-width area whose amount is determined by the platform. If the new value is 0 a
* vertical or horizontal line will be drawn, depending on the setting of the corresponding
* style bit (<code>SWT.VERTICAL</code> or <code>SWT.HORIZONTAL</code>). If the new value is
* <code>SWT.SEPARATOR_FILL</code> a variable-width space is inserted that acts as a spring
* between the two adjoining items which will push them out to the extent of the containing
* ToolBar.
* @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 setWidth(int width) {
checkWidget();
if ((style & SWT.SEPARATOR) == 0) return;
if (width < 0) return;
long /*int*/ hwnd = parent.handle;
TBBUTTONINFO info = new TBBUTTONINFO();
info.cbSize = TBBUTTONINFO.sizeof;
info.dwMask = OS.TBIF_SIZE;
info.cx = cx = (short) width;
OS.SendMessage(hwnd, OS.TB_SETBUTTONINFO, id, info);
parent.layoutItems();
}