void sendSelection() {
Event event = new Event();
int hitPart = ((NSScroller) view).hitPart();
int value = getSelection();
switch (hitPart) {
case OS.NSScrollerDecrementLine:
event.detail = SWT.ARROW_UP;
value -= increment;
break;
case OS.NSScrollerDecrementPage:
value -= pageIncrement;
event.detail = SWT.PAGE_UP;
break;
case OS.NSScrollerIncrementLine:
value += increment;
event.detail = SWT.PAGE_DOWN;
break;
case OS.NSScrollerIncrementPage:
value += pageIncrement;
event.detail = SWT.ARROW_DOWN;
break;
case OS.NSScrollerKnob:
event.detail = SWT.DRAG;
break;
}
if (event.detail != SWT.DRAG) {
setSelection(value);
}
sendEvent(SWT.Selection, event);
}
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;
}
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;
}
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;
}
int XPointerMotion(int w, int client_data, int call_data, int continue_to_dispatch) {
int result = super.XPointerMotion(w, client_data, call_data, continue_to_dispatch);
if (result != 0) return result;
XMotionEvent xEvent = new XMotionEvent();
OS.memmove(xEvent, call_data, XMotionEvent.sizeof);
if (!dragging || (xEvent.state & OS.Button1Mask) == 0) return result;
short[] x_root = new short[1], y_root = new short[1];
OS.XtTranslateCoords(handle, (short) 0, (short) 0, x_root, y_root);
int eventX = xEvent.x_root - x_root[0], eventY = xEvent.y_root - y_root[0];
int[] argList1 = {
OS.XmNx, 0, OS.XmNy, 0, OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0
};
OS.XtGetValues(handle, argList1, argList1.length / 2);
int border = argList1[9],
x = ((short) argList1[1]) - border,
y = ((short) argList1[3]) - border;
int width = argList1[5] + (border * 2), height = argList1[7] + (border * 2);
int[] argList2 = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
OS.XtGetValues(parent.handle, argList2, argList2.length / 2);
int parentBorder = argList2[5];
int parentWidth = argList2[1] + (parentBorder * 2);
int parentHeight = argList2[3] + (parentBorder * 2);
int newX = lastX, newY = lastY;
if ((style & SWT.VERTICAL) != 0) {
newX = Math.min(Math.max(0, eventX + x - startX - parentBorder), parentWidth - width);
} else {
newY = Math.min(Math.max(0, eventY + y - startY - parentBorder), parentHeight - height);
}
if (newX == lastX && newY == lastY) return result;
drawBand(lastX, lastY, width, height);
Event event = new Event();
event.time = xEvent.time;
event.x = newX;
event.y = newY;
event.width = width;
event.height = height;
if ((style & SWT.SMOOTH) == 0) {
event.detail = SWT.DRAG;
}
sendEvent(SWT.Selection, event);
if (isDisposed()) return result;
if (event.doit) {
lastX = event.x;
lastY = event.y;
}
parent.update(true);
drawBand(lastX, lastY, width, height);
if ((style & SWT.SMOOTH) != 0) {
setBounds(lastX, lastY, width, height);
// widget could be disposed at this point
}
return result;
}
void click(boolean dropDown, int state) {
if ((style & SWT.RADIO) != 0) {
selectRadio();
} else {
if ((style & SWT.CHECK) != 0) setSelection(!set);
}
Event event = new Event();
if ((style & SWT.DROP_DOWN) != 0) {
if (dropDown) {
event.detail = SWT.ARROW;
int[] argList = {OS.XmNx, 0, OS.XmNy, 0, OS.XmNheight, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
event.x = (short) argList[1];
event.y = (short) argList[3] + (short) argList[5];
}
}
if (state != 0) setInputState(event, state);
postEvent(SWT.Selection, event);
}
void HandleClick(int sender, int e) {
if (!checkEvent(e)) return;
if (ignoreSelection) return;
Event event = new Event();
if ((style & SWT.DROP_DOWN) != 0) {
int mousePos = OS.Mouse_GetPosition(handle);
int zero = OS.gcnew_Point(0, OS.FrameworkElement_ActualHeight(topHandle()));
int arrowPos = OS.UIElement_TranslatePoint(arrowHandle, zero, handle);
if (OS.Point_X(mousePos) > OS.Point_X(arrowPos)) {
event.detail = SWT.ARROW;
int location = OS.UIElement_TranslatePoint(handle, zero, parent.handle);
event.x = (int) OS.Point_X(location);
event.y = (int) OS.Point_Y(location);
OS.GCHandle_Free(location);
}
OS.GCHandle_Free(arrowPos);
OS.GCHandle_Free(zero);
OS.GCHandle_Free(mousePos);
}
postEvent(SWT.Selection, event);
}
int XButtonPress(int w, int client_data, int call_data, int continue_to_dispatch) {
int result = super.XButtonPress(w, client_data, call_data, continue_to_dispatch);
if (result != 0) return result;
XButtonEvent xEvent = new XButtonEvent();
OS.memmove(xEvent, call_data, XButtonEvent.sizeof);
if (xEvent.button != 1) return result;
short[] x_root = new short[1], y_root = new short[1];
OS.XtTranslateCoords(handle, (short) 0, (short) 0, x_root, y_root);
startX = xEvent.x_root - x_root[0];
startY = xEvent.y_root - y_root[0];
int[] argList = {OS.XmNx, 0, OS.XmNy, 0, OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
int border = argList[9], width = argList[5] + (border * 2), height = argList[7] + (border * 2);
lastX = ((short) argList[1]) - border;
lastY = ((short) argList[3]) - border;
Event event = new Event();
event.time = xEvent.time;
event.x = lastX;
event.y = lastY;
event.width = width;
event.height = height;
if ((style & SWT.SMOOTH) == 0) {
event.detail = SWT.DRAG;
}
sendEvent(SWT.Selection, event);
if (isDisposed()) return result;
if (event.doit) {
dragging = true;
lastX = event.x;
lastY = event.y;
parent.update(true);
drawBand(event.x, event.y, width, height);
if ((style & SWT.SMOOTH) != 0) {
setBounds(event.x, event.y, width, height);
// widget could be disposed at this point
}
}
return result;
}
int /*long*/ gtk_preedit_changed(int /*long*/ imcontext) {
if (!isInlineEnabled()) return 0;
ranges = null;
styles = null;
commitCount = 0;
int /*long*/ imHandle = imHandle();
int /*long*/[] preeditString = new int /*long*/[1];
int /*long*/[] pangoAttrs = new int /*long*/[1];
int[] cursorPos = new int[1];
OS.gtk_im_context_get_preedit_string(imHandle, preeditString, pangoAttrs, cursorPos);
caretOffset = cursorPos[0];
char[] chars = null;
if (preeditString[0] != 0) {
int length = OS.strlen(preeditString[0]);
byte[] buffer = new byte[length];
OS.memmove(buffer, preeditString[0], length);
chars = Converter.mbcsToWcs(null, buffer);
if (pangoAttrs[0] != 0) {
int count = 0;
int /*long*/ iterator = OS.pango_attr_list_get_iterator(pangoAttrs[0]);
while (OS.pango_attr_iterator_next(iterator)) count++;
OS.pango_attr_iterator_destroy(iterator);
ranges = new int[count * 2];
styles = new TextStyle[count];
iterator = OS.pango_attr_list_get_iterator(pangoAttrs[0]);
PangoAttrColor attrColor = new PangoAttrColor();
PangoAttrInt attrInt = new PangoAttrInt();
int[] start = new int[1];
int[] end = new int[1];
for (int i = 0; i < count; i++) {
OS.pango_attr_iterator_range(iterator, start, end);
ranges[i * 2] =
(int) /*64*/
OS.g_utf16_pointer_to_offset(preeditString[0], preeditString[0] + start[0]);
ranges[i * 2 + 1] =
(int) /*64*/ OS.g_utf16_pointer_to_offset(preeditString[0], preeditString[0] + end[0])
- 1;
styles[i] = new TextStyle(null, null, null);
int /*long*/ attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_FOREGROUND);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].foreground = Color.gtk_new(display, color);
}
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_BACKGROUND);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].background = Color.gtk_new(display, color);
}
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_UNDERLINE);
if (attr != 0) {
OS.memmove(attrInt, attr, PangoAttrInt.sizeof);
styles[i].underline = attrInt.value != OS.PANGO_UNDERLINE_NONE;
;
styles[i].underlineStyle = SWT.UNDERLINE_SINGLE;
switch (attrInt.value) {
case OS.PANGO_UNDERLINE_DOUBLE:
styles[i].underlineStyle = SWT.UNDERLINE_DOUBLE;
break;
case OS.PANGO_UNDERLINE_ERROR:
styles[i].underlineStyle = SWT.UNDERLINE_ERROR;
break;
}
if (styles[i].underline) {
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_UNDERLINE_COLOR);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].underlineColor = Color.gtk_new(display, color);
}
}
}
OS.pango_attr_iterator_next(iterator);
}
OS.pango_attr_iterator_destroy(iterator);
OS.pango_attr_list_unref(pangoAttrs[0]);
}
OS.g_free(preeditString[0]);
}
if (chars != null) {
if (text.length() == 0) {
/*
* Bug in GTK. In Solaris, the IME sends multiple
* preedit_changed signals with an empty text.
* This behavior is not correct for SWT and can
* cause the editor to replace its current selection
* with an empty string. The fix is to ignore any
* preedit_changed signals with an empty text when
* the preedit buffer is already empty.
*/
if (chars.length == 0) return 0;
startOffset = -1;
}
int end = startOffset + text.length();
if (startOffset == -1) {
Event event = new Event();
event.detail = SWT.COMPOSITION_SELECTION;
sendEvent(SWT.ImeComposition, event);
startOffset = event.start;
end = event.end;
}
inComposition = true;
Event event = new Event();
event.detail = SWT.COMPOSITION_CHANGED;
event.start = startOffset;
event.end = end;
event.text = text = chars != null ? new String(chars) : "";
sendEvent(SWT.ImeComposition, event);
}
return 1;
}