void AwtTextComponent::_SetText(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SetTextStruct *sts = (SetTextStruct *)param;
jobject self = sts->textcomponent;
jstring text = sts->text;
AwtTextComponent *c = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
c = (AwtTextComponent *)pData;
if (::IsWindow(c->GetHWnd()))
{
int length = env->GetStringLength(text);
WCHAR* buffer = new WCHAR[length + 1];
env->GetStringRegion(text, 0, length, reinterpret_cast<jchar*>(buffer));
buffer[length] = 0;
c->CheckLineSeparator(buffer);
c->RemoveCR(buffer);
c->SetText(buffer);
delete[] buffer;
}
ret:
env->DeleteGlobalRef(self);
env->DeleteGlobalRef(text);
delete sts;
}
JNIEXPORT void JNICALL
Java_sun_awt_pocketpc_PPCTextComponentPeer_setText (JNIEnv *env,
jobject thisObj,
jstring text)
{
CHECK_PEER(thisObj);
AwtTextComponent* c = PDATA(AwtTextComponent, thisObj);
int length = env->GetStringLength(text);
#ifndef UNICODE
TCHAR* buffer = new TCHAR[length * 2 + 1];
buffer = TO_WSTRING(text);
#else
WCHAR* buffer = new WCHAR[length + 1];
env->GetStringRegion(text, 0, length, (jchar*)buffer);
buffer[length] = 0; //or it should be TEXT('\0') or L'\0'???
#endif
buffer = AwtTextComponent::AddCR(buffer, length);
c->SetText(buffer);
/* Fix for TCK bug: setText() does not generate valueChangedEvent */
if (env->IsInstanceOf(c->GetTarget(), WCachedIDs.java_awt_TextAreaClass)) {
c->WmNotify(EN_CHANGE);
}
delete[] buffer;
}
JNIEXPORT jstring JNICALL
Java_sun_awt_pocketpc_PPCTextComponentPeer_getText (JNIEnv *env,
jobject thisObj)
{
CHECK_PEER_RETURN(thisObj);
int len;
AwtTextComponent* c = PDATA(AwtTextComponent, thisObj);
len = c->GetTextLength();
jstring js;
if (len == 0) {
// Make java null string
jchar *jc = new jchar[0];
js = env->NewString(jc, 0);
delete [] jc;
ASSERT(!env->ExceptionCheck());
} else {
#ifndef UNICODE
char* buffer = new char[len+1];
c->GetText(buffer, len+1);
AwtTextComponent::RemoveCR(buffer);
js = env->NewString(buffer, wcslen(buf)); // convert to unicode. right???
delete[] buffer;
#else
TCHAR *buffer = new TCHAR[len+1];
c->GetText(buffer, len+1);
AwtTextComponent::RemoveCR(buffer);
js = TO_JSTRING((LPWSTR)buffer);
//js = env->NewString(buffer, wcslen(buffer));
delete[] buffer;
#endif
}
return js;
}
JNIEXPORT void JNICALL
Java_sun_awt_pocketpc_PPCTextComponentPeer_enableEditing (JNIEnv *env,
jobject thisObj,
jboolean editable)
{
CHECK_PEER(thisObj);
AwtTextComponent* c = PDATA(AwtTextComponent, thisObj);
c->SendMessage(EM_SETREADONLY, !editable);
}
jstring AwtTextComponent::_GetText(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject self = (jobject)param;
AwtTextComponent *c = NULL;
jstring result = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
c = (AwtTextComponent *)pData;
if (::IsWindow(c->GetHWnd()))
{
int len = ::GetWindowTextLength(c->GetHWnd());
if (len == 0) {
/* Make java null string */
jchar *jc = new jchar[0];
result = env->NewString(jc, 0);
delete [] jc;
} else {
WCHAR* buf = new WCHAR[len + 1];
c->GetText(buf, len + 1);
c->RemoveCR(buf);
result = JNU_NewStringPlatform(env, buf);
delete [] buf;
}
}
ret:
env->DeleteGlobalRef(self);
if (result != NULL)
{
jstring globalRef = (jstring)env->NewGlobalRef(result);
env->DeleteLocalRef(result);
return globalRef;
}
else
{
return NULL;
}
}
void AwtTextComponent::_EnableEditing(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
EnableEditingStruct *ees = (EnableEditingStruct *)param;
jobject self = ees->textcomponent;
jboolean on = ees->on;
AwtTextComponent *c = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
c = (AwtTextComponent *)pData;
if (::IsWindow(c->GetHWnd()))
{
c->SendMessage(EM_SETREADONLY, !on);
}
ret:
env->DeleteGlobalRef(self);
delete ees;
}
jint AwtTextComponent::_GetSelectionEnd(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject self = (jobject)param;
jint result = 0;
AwtTextComponent *c = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
c = (AwtTextComponent *)pData;
if (::IsWindow(c->GetHWnd()))
{
long end;
c->SendMessage(EM_GETSEL, 0, (LPARAM)&end);
result = c->getJavaSelPos(end);
}
ret:
env->DeleteGlobalRef(self);
return result;
}
void AwtTextComponent::_Select(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SelectStruct *ss = (SelectStruct *)param;
jobject self = ss->textcomponent;
jint start = ss->start;
jint end = ss->end;
AwtTextComponent *c = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
c = (AwtTextComponent *)pData;
if (::IsWindow(c->GetHWnd()))
{
c->SetSelRange(start, end);
c->SendMessage(EM_SCROLLCARET);
}
ret:
env->DeleteGlobalRef(self);
delete ss;
}
/* Create a new AwtTextArea or AwtTextField object and window. */
AwtTextComponent* AwtTextComponent::Create(jobject peer, jobject parent, BOOL isMultiline)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject target = NULL;
AwtTextComponent* c = NULL;
try {
if (env->EnsureLocalCapacity(1) < 0) {
return NULL;
}
PDATA pData;
AwtCanvas* awtParent;
JNI_CHECK_PEER_GOTO(parent, done);
awtParent = (AwtCanvas*)pData;
JNI_CHECK_NULL_GOTO(awtParent, "null awtParent", done);
target = env->GetObjectField(peer, AwtObject::targetID);
JNI_CHECK_NULL_GOTO(target, "null target", done);
if(isMultiline) {
c = new AwtTextArea();
} else {
c = new AwtTextField();
}
{
/* Adjust style for scrollbar visibility and word wrap */
DWORD scroll_style;
if(isMultiline) {
jint scrollbarVisibility =
env->GetIntField(target, AwtTextArea::scrollbarVisibilityID);
switch (scrollbarVisibility) {
case java_awt_TextArea_SCROLLBARS_NONE:
scroll_style = ES_AUTOVSCROLL;
break;
case java_awt_TextArea_SCROLLBARS_VERTICAL_ONLY:
scroll_style = WS_VSCROLL | ES_AUTOVSCROLL;
break;
case java_awt_TextArea_SCROLLBARS_HORIZONTAL_ONLY:
scroll_style = WS_HSCROLL | ES_AUTOHSCROLL | ES_AUTOVSCROLL;
break;
case java_awt_TextArea_SCROLLBARS_BOTH:
scroll_style = WS_VSCROLL | WS_HSCROLL |
ES_AUTOVSCROLL | ES_AUTOHSCROLL;
break;
}
}
DWORD style = WS_CHILD | WS_CLIPSIBLINGS | ES_LEFT;
/*
* Specify ES_DISABLENOSCROLL - RichEdit control style to disable
* scrollbars instead of hiding them when not needed.
*/
style |= isMultiline ? ES_MULTILINE | ES_WANTRETURN | scroll_style
| ES_DISABLENOSCROLL : ES_AUTOHSCROLL;
DWORD exStyle = WS_EX_CLIENTEDGE;
if (GetRTL()) {
exStyle |= WS_EX_RIGHT | WS_EX_LEFTSCROLLBAR;
if (GetRTLReadingOrder())
exStyle |= WS_EX_RTLREADING;
}
jint x = env->GetIntField(target, AwtComponent::xID);
jint y = env->GetIntField(target, AwtComponent::yID);
jint width = env->GetIntField(target, AwtComponent::widthID);
jint height = env->GetIntField(target, AwtComponent::heightID);
c->CreateHWnd(env, L"", style, exStyle,
x, y, width, height,
awtParent->GetHWnd(),
reinterpret_cast<HMENU>(static_cast<INT_PTR>(
awtParent->CreateControlID())),
::GetSysColor(COLOR_WINDOWTEXT),
::GetSysColor(COLOR_WINDOW),
peer);
// Fix for 4753116.
// If it is not win95 (we are using Richedit 2.0)
// we set plain text mode, in which the control is
// similar to a standard edit control:
// - The text in a plain text control can have only
// one format.
// - The user cannot paste rich text formats, such as RTF
// or embedded objects into a plain text control.
// - Rich text mode controls always have a default
// end-of-document marker or carriage return,
// to format paragraphs.
// [email protected]
c->SendMessage(EM_SETTEXTMODE, TM_PLAINTEXT, 0);
c->m_backgroundColorSet = TRUE;
/* suppress inheriting parent's color. */
c->UpdateBackground(env, target);
c->SendMessage(EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN,
MAKELPARAM(1, 1));
/*
* Fix for BugTraq Id 4260109.
* Set the text limit to the maximum.
* Use EM_EXLIMITTEXT for RichEdit controls.
* For some reason RichEdit 1.0 becomes read-only if the
* specified limit is greater than 0x7FFFFFFD.
*/
c->SendMessage(EM_EXLIMITTEXT, 0, 0x7FFFFFFD);
/* Unregister RichEdit built-in drop target. */
VERIFY(::RevokeDragDrop(c->GetHWnd()) != DRAGDROP_E_INVALIDHWND);
/* To enforce CF_TEXT format for paste operations. */
VERIFY(c->SendMessage(EM_SETOLECALLBACK, 0,
(LPARAM)&GetOleCallback()));
c->SendMessage(EM_SETEVENTMASK, 0, ENM_CHANGE);
}
} catch (...) {
env->DeleteLocalRef(target);
throw;
}
done:
env->DeleteLocalRef(target);
return c;
}
