/**
* 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;
OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
OS.gtk_toggle_tool_button_set_active(handle, selected);
OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
}
void destroyItem(TabItem item) {
int index = 0;
int itemCount = getItemCount();
while (index < itemCount) {
if (items[index] == item) break;
index++;
}
if (index == itemCount) error(SWT.ERROR_ITEM_NOT_REMOVED);
int oldIndex = OS.gtk_notebook_get_current_page(handle);
OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
OS.gtk_notebook_remove_page(handle, index);
OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
System.arraycopy(items, index + 1, items, index, --itemCount - index);
items[itemCount] = null;
if (index == oldIndex) {
int newIndex = OS.gtk_notebook_get_current_page(handle);
if (newIndex != -1) {
Control control = items[newIndex].getControl();
if (control != null && !control.isDisposed()) {
control.setBounds(getClientArea());
control.setVisible(true);
}
Event event = new Event();
event.item = items[newIndex];
sendSelectionEvent(SWT.Selection, event, true);
// the widget could be destroyed at this point
}
}
}
int /*long*/ gtk_commit(int /*long*/ imcontext, int /*long*/ textPtr) {
if (!isInlineEnabled()) return 0;
boolean doit = true;
ranges = null;
styles = null;
caretOffset = commitCount = 0;
if (textPtr != 0 && inComposition) {
int length = OS.strlen(textPtr);
if (length != 0) {
byte[] buffer = new byte[length];
OS.memmove(buffer, textPtr, length);
char[] chars = Converter.mbcsToWcs(null, buffer);
Event event = new Event();
event.detail = SWT.COMPOSITION_CHANGED;
event.start = startOffset;
event.end = startOffset + text.length();
event.text = text = chars != null ? new String(chars) : "";
commitCount = text.length();
sendEvent(SWT.ImeComposition, event);
doit = event.doit;
text = "";
startOffset = -1;
commitCount = 0;
}
}
inComposition = false;
return doit ? 0 : 1;
}
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();
}
Point minimumSize(int wHint, int hHint, boolean flushCache) {
Control[] children = _getChildren();
int width = 0, height = 0;
for (int i = 0; i < children.length; i++) {
Control child = children[i];
int index = 0;
int count = 0;
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list != 0) {
count = OS.g_list_length(list);
OS.g_list_free(list);
}
while (index < count) {
if (items[index].control == child) break;
index++;
}
if (index == count) {
Rectangle rect = child.getBounds();
width = Math.max(width, rect.x + rect.width);
height = Math.max(height, rect.y + rect.height);
} else {
Point size = child.computeSize(wHint, hHint, flushCache);
width = Math.max(width, size.x);
height = Math.max(height, size.y);
}
}
return new Point(width, height);
}
/**
* Sets the OpenGL context associated with this GLCanvas to be the current GL context.
*
* @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 setCurrent() {
checkWidget();
if (GLX.glXGetCurrentContext() == context) return;
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
GLX.glXMakeCurrent(xDisplay, xWindow, context);
}
void setSelection(int index, boolean notify) {
if (index < 0) return;
int oldIndex = OS.gtk_notebook_get_current_page(handle);
if (oldIndex == index) return;
if (oldIndex != -1) {
TabItem item = items[oldIndex];
Control control = item.control;
if (control != null && !control.isDisposed()) {
control.setVisible(false);
}
}
OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
OS.gtk_notebook_set_current_page(handle, index);
OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
int newIndex = OS.gtk_notebook_get_current_page(handle);
if (newIndex != -1) {
TabItem item = items[newIndex];
Control control = item.control;
if (control != null && !control.isDisposed()) {
control.setBounds(getClientArea());
control.setVisible(true);
}
if (notify) {
Event event = new Event();
event.item = item;
sendSelectionEvent(SWT.Selection, event, true);
}
}
}
void setOrientation(boolean create) {
super.setOrientation(create);
if ((parent.style & SWT.RIGHT_TO_LEFT) != 0 || !create) {
int dir = (parent.style & SWT.RIGHT_TO_LEFT) != 0 ? OS.GTK_TEXT_DIR_RTL : OS.GTK_TEXT_DIR_LTR;
OS.gtk_widget_set_direction(handle, dir);
OS.gtk_container_forall(handle, display.setDirectionProc, dir);
}
}
/**
* Returns the number of items contained in the receiver.
*
* @return the number of items
* @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 int getItemCount() {
checkWidget();
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list == 0) return 0;
int itemCount = OS.g_list_length(list);
OS.g_list_free(list);
return itemCount;
}
Color _getForeground() {
int /*long*/[] ptr = new int /*long*/[1];
OS.gtk_tree_model_get(parent.modelHandle, handle, Table.FOREGROUND_COLUMN, ptr, -1);
if (ptr[0] == 0) return parent.getForeground();
GdkColor gdkColor = new GdkColor();
OS.memmove(gdkColor, ptr[0], GdkColor.sizeof);
return Color.gtk_new(display, gdkColor);
}
@Override
int setBounds(int x, int y, int width, int height, boolean move, boolean resize) {
OS.gtk_toolbar_set_show_arrow(handle, false);
int result = super.setBounds(x, y, width, height, move, resize);
if ((result & RESIZED) != 0) relayout();
if ((style & SWT.WRAP) != 0) OS.gtk_toolbar_set_show_arrow(handle, true);
return result;
}
boolean traversePage(final boolean next) {
if (next) {
OS.gtk_notebook_next_page(handle);
} else {
OS.gtk_notebook_prev_page(handle);
}
return true;
}
boolean setFocus() {
if (!OS.gtk_widget_get_child_visible(handle)) return false;
OS.GTK_WIDGET_SET_FLAGS(handle, OS.GTK_CAN_FOCUS);
OS.gtk_widget_grab_focus(handle);
// widget could be disposed at this point
if (isDisposed()) return false;
boolean result = OS.gtk_widget_is_focus(handle);
if (!result) OS.GTK_WIDGET_UNSET_FLAGS(handle, OS.GTK_CAN_FOCUS);
return result;
}
TableItem(Table parent, int style, int index, boolean create) {
super(parent, style);
this.parent = parent;
if (create) {
parent.createItem(this, index);
} else {
handle = OS.g_malloc(OS.GtkTreeIter_sizeof());
OS.gtk_tree_model_iter_nth_child(parent.modelHandle, handle, 0, index);
}
}
/**
* Returns the item at the given, zero-relative index in the receiver. Throws an exception if the
* index is out of range.
*
* @param index the index of the item to return
* @return the item at the given index
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the
* list minus 1 (inclusive)
* </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 TabItem getItem(int index) {
checkWidget();
if (!(0 <= index && index < getItemCount())) error(SWT.ERROR_INVALID_RANGE);
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list == 0) error(SWT.ERROR_CANNOT_GET_ITEM);
int itemCount = OS.g_list_length(list);
OS.g_list_free(list);
if (!(0 <= index && index < itemCount)) error(SWT.ERROR_CANNOT_GET_ITEM);
return items[index];
}
Color _getForeground(int index) {
int count = Math.max(1, parent.columnCount);
if (0 > index || index > count - 1) return _getForeground();
int /*long*/[] ptr = new int /*long*/[1];
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_tree_model_get(parent.modelHandle, handle, modelIndex + Table.CELL_FOREGROUND, ptr, -1);
if (ptr[0] == 0) return _getForeground();
GdkColor gdkColor = new GdkColor();
OS.memmove(gdkColor, ptr[0], GdkColor.sizeof);
return Color.gtk_new(display, gdkColor);
}
/**
* Searches the receiver's list starting at the first item (index 0) until an item is found that
* is equal to the argument, and returns the index of that item. If no item is found, returns -1.
*
* @param item the search item
* @return the index of the item
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the item 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 int indexOf(TabItem item) {
checkWidget();
if (item == null) error(SWT.ERROR_NULL_ARGUMENT);
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list == 0) return -1;
int count = OS.g_list_length(list);
OS.g_list_free(list);
for (int i = 0; i < count; i++) {
if (items[i] == item) return i;
}
return -1;
}
/**
* 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);
}
public Point computeSize(int wHint, int hHint, boolean changed) {
checkWidget();
Point size = super.computeSize(wHint, hHint, changed);
if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
boolean scrollable = OS.gtk_notebook_get_scrollable(handle);
OS.gtk_notebook_set_scrollable(handle, false);
Point notebookSize = computeNativeSize(handle, wHint, hHint, changed);
OS.gtk_notebook_set_scrollable(handle, scrollable);
size.x = Math.max(notebookSize.x, size.x);
size.y = Math.max(notebookSize.y, size.y);
return size;
}
void reskinChildren(int flags) {
if (items != null) {
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list != 0) {
int count = OS.g_list_length(list);
OS.g_list_free(list);
for (int i = 0; i < count; i++) {
TabItem item = items[i];
if (item != null) item.reskin(flags);
}
}
}
super.reskinChildren(flags);
}
String _getText(int index) {
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return "";
int /*long*/[] ptr = new int /*long*/[1];
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_tree_model_get(parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, ptr, -1);
if (ptr[0] == 0) return "";
int length = OS.strlen(ptr[0]);
byte[] buffer = new byte[length];
OS.memmove(buffer, ptr[0], length);
OS.g_free(ptr[0]);
return new String(Converter.mbcsToWcs(null, buffer));
}
/**
* Sets the checked state of the checkbox for this item. This state change only applies if the
* Table was created with the SWT.CHECK style.
*
* @param checked the new checked state of the checkbox
* @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 setChecked(boolean checked) {
checkWidget();
if ((parent.style & SWT.CHECK) == 0) return;
if (_getChecked() == checked) return;
OS.gtk_list_store_set(parent.modelHandle, handle, Table.CHECKED_COLUMN, checked, -1);
/*
* GTK+'s "inconsistent" state does not match SWT's concept of grayed. To
* show checked+grayed differently from unchecked+grayed, we must toggle the
* grayed state on check and uncheck.
*/
OS.gtk_list_store_set(
parent.modelHandle, handle, Table.GRAYED_COLUMN, !checked ? false : grayed, -1);
cached = true;
}
/**
* Returns the tab item at the given point in the receiver or null if no such item exists. The
* point is in the coordinate system of the receiver.
*
* @param point the point used to locate the item
* @return the tab item at the given point, or null if the point is not in a tab item
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the point 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>
*
* @since 3.4
*/
public TabItem getItem(Point point) {
checkWidget();
if (point == null) error(SWT.ERROR_NULL_ARGUMENT);
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list == 0) return null;
int itemCount = OS.g_list_length(list);
OS.g_list_free(list);
for (int i = 0; i < itemCount; i++) {
TabItem item = items[i];
Rectangle rect = item.getBounds();
if (rect.contains(point)) return item;
}
return null;
}
long /*int*/ gtk_button_release_event(long /*int*/ widget, long /*int*/ event) {
GdkEventButton gdkEvent = new GdkEventButton();
OS.memmove(gdkEvent, event, GdkEventButton.sizeof);
double x = gdkEvent.x;
gdkEvent.x += OS.GTK_WIDGET_X(handle);
double y = gdkEvent.y;
gdkEvent.y += OS.GTK_WIDGET_Y(handle);
OS.memmove(event, gdkEvent, GdkEventButton.sizeof);
long /*int*/ result = parent.gtk_button_release_event(widget, event);
gdkEvent.x = x;
gdkEvent.y = y;
OS.memmove(event, gdkEvent, GdkEventButton.sizeof);
return result;
}
/**
* Sets the grayed state of the checkbox for this item. This state change only applies if the
* Table was created with the SWT.CHECK style.
*
* @param grayed the new grayed state of the checkbox;
* @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 setGrayed(boolean grayed) {
checkWidget();
if ((parent.style & SWT.CHECK) == 0) return;
if (this.grayed == grayed) return;
this.grayed = grayed;
/*
* GTK+'s "inconsistent" state does not match SWT's concept of grayed.
* Render checked+grayed as "inconsistent", unchecked+grayed as blank.
*/
int /*long*/[] ptr = new int /*long*/[1];
OS.gtk_tree_model_get(parent.modelHandle, handle, Table.CHECKED_COLUMN, ptr, -1);
OS.gtk_list_store_set(
parent.modelHandle, handle, Table.GRAYED_COLUMN, ptr[0] == 0 ? false : grayed, -1);
cached = true;
}
@Override
public Point computeSize(int wHint, int hHint, boolean changed) {
checkWidget();
if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
/*
* Feature in GTK. Size of toolbar is calculated incorrectly
* and appears as just the overflow arrow, if the arrow is enabled
* to display. The fix is to disable it before the computation of
* size and enable it if WRAP style is set.
*/
OS.gtk_toolbar_set_show_arrow(handle, false);
Point size = computeNativeSize(handle, wHint, hHint, changed);
if ((style & SWT.WRAP) != 0) OS.gtk_toolbar_set_show_arrow(handle, true);
return size;
}
long /*int*/ clientHandle() {
int index = OS.gtk_notebook_get_current_page(handle);
if (index != -1 && items[index] != null) {
return items[index].pageHandle;
}
return handle;
}
void relayout() {
ToolItem[] items = getItems();
boolean hasText = false, hasImage = false;
for (int i = 0; i < items.length; i++) {
ToolItem item = items[i];
if (item != null) {
item.resizeControl();
hasText |= item.text != null && item.text.length() > 0;
hasImage |= item.image != null;
}
}
int type = OS.GTK_TOOLBAR_ICONS;
if (hasText && hasImage) {
if ((style & SWT.RIGHT) != 0) {
type = OS.GTK_TOOLBAR_BOTH_HORIZ;
} else {
type = OS.GTK_TOOLBAR_BOTH;
}
} else if (hasText) {
type = OS.GTK_TOOLBAR_TEXT;
} else if (hasImage) {
type = OS.GTK_TOOLBAR_ICONS;
}
OS.gtk_toolbar_set_style(handle, type);
}
long /*int*/ menuItemSelected(long /*int*/ widget, ToolItem item) {
Event event = new Event();
switch (item.style) {
case SWT.DROP_DOWN:
/*
* Feature in GTK. The DROP_DOWN item does not
* contain arrow button in the overflow menu. So, it
* is impossible to select the menu of that item.
* The fix is to consider the item selection
* as Arrow click, in order to popup the drop-down.
*/
event.detail = SWT.ARROW;
GtkAllocation allocation = new GtkAllocation();
OS.gtk_widget_get_allocation(widget, allocation);
event.x = allocation.x;
if ((style & SWT.MIRRORED) != 0) event.x = getClientWidth() - allocation.width - event.x;
event.y = allocation.y + allocation.height;
break;
case SWT.RADIO:
if ((style & SWT.NO_RADIO_GROUP) == 0) item.selectRadio();
break;
case SWT.CHECK:
boolean currentSelection = item.getSelection();
item.setSelection(!currentSelection);
}
item.sendSelectionEvent(SWT.Selection, event, false);
return 0;
}
long /*int*/ gtk_event_after(long /*int*/ widget, long /*int*/ gdkEvent) {
GdkEvent event = new GdkEvent();
OS.memmove(event, gdkEvent, GdkEvent.sizeof);
switch (event.type) {
case OS.GDK_BUTTON_PRESS:
{
GdkEventButton gdkEventButton = new GdkEventButton();
OS.memmove(gdkEventButton, gdkEvent, GdkEventButton.sizeof);
if (gdkEventButton.button == 3) {
parent.showMenu((int) gdkEventButton.x_root, (int) gdkEventButton.y_root);
}
break;
}
}
return 0;
}
