void enableWidget(boolean enabled) {
if (OS.COMCTL32_MAJOR >= 6) {
LITEM item = new LITEM();
item.mask = OS.LIF_ITEMINDEX | OS.LIF_STATE;
item.stateMask = OS.LIS_ENABLED;
item.state = enabled ? OS.LIS_ENABLED : 0;
while (OS.SendMessage(handle, OS.LM_SETITEM, 0, item) != 0) {
item.iLink++;
}
} else {
TextStyle linkStyle = new TextStyle(null, enabled ? linkColor : disabledColor, null);
linkStyle.underline = true;
for (int i = 0; i < offsets.length; i++) {
Point point = offsets[i];
layout.setStyle(linkStyle, point.x, point.y);
}
redraw();
}
/*
* Feature in Windows. For some reason, setting
* LIS_ENABLED state using LM_SETITEM causes the
* SysLink to become enabled. To be specific,
* calling IsWindowEnabled() returns true. The
* fix is disable the SysLink after LM_SETITEM.
*/
super.enableWidget(enabled);
}
@Override
void createWidget(int index) {
super.createWidget(index);
layout.setFont(getFont());
text = "";
initAccessible();
}
void createWidget() {
super.createWidget();
text = "";
if (OS.COMCTL32_MAJOR < 6) {
if ((style & SWT.MIRRORED) != 0) {
layout.setOrientation(SWT.RIGHT_TO_LEFT);
}
initAccessible();
}
}
void releaseWidget() {
super.releaseWidget();
if (layout != null) layout.dispose();
layout = null;
if (linkColor != null) linkColor.dispose();
linkColor = null;
disabledColor = null;
offsets = null;
ids = null;
mnemonics = null;
text = null;
}
@Override
void enableWidget(boolean enabled) {
super.enableWidget(enabled);
if (isDisposed()) return;
TextStyle linkStyle = new TextStyle(null, enabled ? linkColor : disabledColor, null);
linkStyle.underline = true;
for (int i = 0; i < offsets.length; i++) {
Point point = offsets[i];
layout.setStyle(linkStyle, point.x, point.y);
}
redraw();
}
void createHandle() {
super.createHandle();
state |= THEME_BACKGROUND;
if (OS.COMCTL32_MAJOR < 6) {
layout = new TextLayout(display);
if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION(4, 10)) {
linkColor = Color.win32_new(display, OS.GetSysColor(OS.COLOR_HOTLIGHT));
} else {
linkColor = new Color(display, LINK_FOREGROUND);
}
disabledColor = Color.win32_new(display, OS.GetSysColor(OS.COLOR_GRAYTEXT));
offsets = new Point[0];
ids = new String[0];
mnemonics = new int[0];
selection = new Point(-1, -1);
focusIndex = mouseDownIndex = -1;
}
}
@Override
void showWidget() {
super.showWidget();
fixStyle(handle);
}
@Override
void setOrientation(boolean create) {
super.setOrientation(create);
layout.setOrientation(style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT));
if (!create) redraw(true);
}
@Override
void setFontDescription(long /*int*/ font) {
super.setFontDescription(font);
layout.setFont(Font.gtk_new(display, font));
}