@Override
long /*int*/ gtk_key_press_event(long /*int*/ widget, long /*int*/ eventPtr) {
long /*int*/ result = super.gtk_key_press_event(widget, eventPtr);
if (result != 0) return result;
if (focusIndex == -1) return result;
GdkEventKey gdkEvent = new GdkEventKey();
OS.memmove(gdkEvent, eventPtr, GdkEventKey.sizeof);
switch (gdkEvent.keyval) {
case OS.GDK_Return:
case OS.GDK_KP_Enter:
case OS.GDK_space:
Event event = new Event();
event.text = ids[focusIndex];
sendSelectionEvent(SWT.Selection, event, true);
break;
case OS.GDK_Tab:
if (focusIndex < offsets.length - 1) {
focusIndex++;
redraw();
}
break;
case OS.GDK_ISO_Left_Tab:
if (focusIndex > 0) {
focusIndex--;
redraw();
}
break;
}
return result;
}
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;
}
LRESULT wmNotifyChild(NMHDR hdr, int /*long*/ wParam, int /*long*/ lParam) {
if (OS.COMCTL32_MAJOR >= 6) {
switch (hdr.code) {
case OS.NM_RETURN:
case OS.NM_CLICK:
NMLINK item = new NMLINK();
OS.MoveMemory(item, lParam, NMLINK.sizeof);
Event event = new Event();
event.text = ids[item.iLink];
sendSelectionEvent(SWT.Selection, event, true);
break;
}
}
return super.wmNotifyChild(hdr, wParam, lParam);
}
LRESULT WM_CHAR(int /*long*/ wParam, int /*long*/ lParam) {
LRESULT result = super.WM_CHAR(wParam, lParam);
if (result != null) return result;
if (OS.COMCTL32_MAJOR < 6) {
if (focusIndex == -1) return result;
switch ((int) /*64*/ wParam) {
case ' ':
case SWT.CR:
Event event = new Event();
event.text = ids[focusIndex];
sendSelectionEvent(SWT.Selection, event, true);
break;
case SWT.TAB:
boolean next = OS.GetKeyState(OS.VK_SHIFT) >= 0;
if (next) {
if (focusIndex < offsets.length - 1) {
focusIndex++;
redraw();
}
} else {
if (focusIndex > 0) {
focusIndex--;
redraw();
}
}
break;
}
} else {
switch ((int) /*64*/ wParam) {
case ' ':
case SWT.CR:
case SWT.TAB:
/*
* NOTE: Call the window proc with WM_KEYDOWN rather than WM_CHAR
* so that the key that was ignored during WM_KEYDOWN is processed.
* This allows the application to cancel an operation that is normally
* performed in WM_KEYDOWN from WM_CHAR.
*/
int /*long*/ code = callWindowProc(handle, OS.WM_KEYDOWN, wParam, lParam);
return new LRESULT(code);
}
}
return result;
}
LRESULT WM_LBUTTONUP(int /*long*/ wParam, int /*long*/ lParam) {
LRESULT result = super.WM_LBUTTONUP(wParam, lParam);
if (result == LRESULT.ZERO) return result;
if (OS.COMCTL32_MAJOR < 6) {
if (mouseDownIndex == -1) return result;
int x = OS.GET_X_LPARAM(lParam);
int y = OS.GET_Y_LPARAM(lParam);
Rectangle[] rects = getRectangles(mouseDownIndex);
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
if (rect.contains(x, y)) {
Event event = new Event();
event.text = ids[mouseDownIndex];
sendSelectionEvent(SWT.Selection, event, true);
break;
}
}
}
mouseDownIndex = -1;
return result;
}
@Override
long /*int*/ gtk_button_release_event(long /*int*/ widget, long /*int*/ event) {
long /*int*/ result = super.gtk_button_release_event(widget, event);
if (result != 0) return result;
if (focusIndex == -1) return result;
GdkEventButton gdkEvent = new GdkEventButton();
OS.memmove(gdkEvent, event, GdkEventButton.sizeof);
if (gdkEvent.button == 1) {
int x = (int) gdkEvent.x;
int y = (int) gdkEvent.y;
if ((style & SWT.MIRRORED) != 0) x = getClientWidth() - x;
Rectangle[] rects = getRectangles(focusIndex);
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
if (rect.contains(x, y)) {
Event ev = new Event();
ev.text = ids[focusIndex];
sendSelectionEvent(SWT.Selection, ev, true);
return result;
}
}
}
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;
}