const char*
Utility::_GetMimeString(uint32 imageType) const
{
const char *dummy = "";
translator_id* translators = NULL;
int32 numTranslators = 0;
BTranslatorRoster* roster = BTranslatorRoster::Default();
status_t status = roster->GetAllTranslators(&translators, &numTranslators);
if (status != B_OK)
return dummy;
for (int32 x = 0; x < numTranslators; x++) {
const translation_format* formats = NULL;
int32 numFormats;
if (roster->GetOutputFormats(x, &formats, &numFormats) == B_OK) {
for (int32 i = 0; i < numFormats; ++i) {
if (formats[i].type == imageType) {
delete [] translators;
return formats[i].MIME;
}
}
}
}
delete [] translators;
return dummy;
}
void
PictureView::_BeginDrag(BPoint sourcePoint)
{
BBitmap* bitmap = _CopyPicture(128);
if (bitmap == NULL)
return;
// fill the drag message
BMessage drag(B_SIMPLE_DATA);
drag.AddInt32("be:actions", B_COPY_TARGET);
drag.AddInt32("be:actions", B_TRASH_TARGET);
// name the clip after person name, if any
BString name = B_TRANSLATE("%name% picture");
name.ReplaceFirst("%name%", Window() ? Window()->Title() :
B_TRANSLATE("Unnamed person"));
drag.AddString("be:clip_name", name.String());
BTranslatorRoster* roster = BTranslatorRoster::Default();
if (roster == NULL) {
delete bitmap;
return;
}
int32 infoCount;
translator_info* info;
BBitmapStream stream(bitmap);
if (roster->GetTranslators(&stream, NULL, &info, &infoCount) == B_OK) {
for (int32 i = 0; i < infoCount; i++) {
const translation_format* formats;
int32 count;
roster->GetOutputFormats(info[i].translator, &formats, &count);
for (int32 j = 0; j < count; j++) {
if (strcmp(formats[j].MIME, "image/x-be-bitmap") != 0) {
// needed to send data in message
drag.AddString("be:types", formats[j].MIME);
// needed to pass data via file
drag.AddString("be:filetypes", formats[j].MIME);
drag.AddString("be:type_descriptions", formats[j].name);
}
}
}
}
stream.DetachBitmap(&bitmap);
// we also support "Passing Data via File" protocol
drag.AddString("be:types", B_FILE_MIME_TYPE);
sourcePoint -= fPictureRect.LeftTop();
SetMouseEventMask(B_POINTER_EVENTS);
DragMessage(&drag, bitmap, B_OP_ALPHA, sourcePoint);
bitmap = NULL;
}
void
ShowImageWindow::_SaveToFile(BMessage* message)
{
// Read in where the file should be saved
entry_ref dirRef;
if (message->FindRef("directory", &dirRef) != B_OK)
return;
const char* filename;
if (message->FindString("name", &filename) != B_OK)
return;
// Read in the translator and type to be used
// to save the output image
translator_id outTranslator;
uint32 outType;
if (message->FindInt32(kTranslatorField,
reinterpret_cast<int32 *>(&outTranslator)) != B_OK
|| message->FindInt32(kTypeField,
reinterpret_cast<int32 *>(&outType)) != B_OK)
return;
// Find the translator_format information needed to
// write a MIME attribute for the image file
BTranslatorRoster* roster = BTranslatorRoster::Default();
const translation_format* outFormat = NULL;
int32 outCount = 0;
if (roster->GetOutputFormats(outTranslator, &outFormat, &outCount) != B_OK
|| outCount < 1)
return;
int32 i;
for (i = 0; i < outCount; i++) {
if (outFormat[i].group == B_TRANSLATOR_BITMAP && outFormat[i].type
== outType)
break;
}
if (i == outCount)
return;
// Write out the image file
BDirectory dir(&dirRef);
fImageView->SaveToFile(&dir, filename, NULL, &outFormat[i]);
// Store Save directory in settings;
ShowImageSettings* settings = my_app->Settings();
if (settings->Lock()) {
BPath path(&dirRef);
settings->SetString("SaveDirectory", path.Path());
settings->Unlock();
}
}
status_t
AddTranslationItems(BMenu* intoMenu, uint32 fromType)
{
BTranslatorRoster* use;
char* translatorTypeName;
const char* translatorIdName;
use = BTranslatorRoster::Default();
translatorIdName = "be:translator";
translatorTypeName = (char *)"be:type";
translator_id* ids = NULL;
int32 count = 0;
status_t err = use->GetAllTranslators(&ids, &count);
if (err < B_OK)
return err;
for (int tix = 0; tix < count; tix++) {
const translation_format* formats = NULL;
int32 num_formats = 0;
bool ok = false;
err = use->GetInputFormats(ids[tix], &formats, &num_formats);
if (err == B_OK)
for (int iix = 0; iix < num_formats; iix++) {
if (formats[iix].type == fromType) {
ok = true;
break;
}
}
if (!ok)
continue;
err = use->GetOutputFormats(ids[tix], &formats, &num_formats);
if (err == B_OK)
for (int oix = 0; oix < num_formats; oix++) {
if (formats[oix].type != fromType) {
BMessage* itemmsg;
itemmsg = new BMessage(msg_translate);
itemmsg->AddInt32(translatorIdName, ids[tix]);
itemmsg->AddInt32(translatorTypeName, formats[oix].type);
intoMenu->AddItem(new BMenuItem(formats[oix].name, itemmsg));
}
}
}
delete[] ids;
return B_OK;
}
void
PictureView::_HandleDrop(BMessage* msg)
{
entry_ref dirRef;
BString name, type;
bool saveToFile = msg->FindString("be:filetypes", &type) == B_OK
&& msg->FindRef("directory", &dirRef) == B_OK
&& msg->FindString("name", &name) == B_OK;
bool sendInMessage = !saveToFile
&& msg->FindString("be:types", &type) == B_OK;
if (!sendInMessage && !saveToFile)
return;
BBitmap* bitmap = fPicture;
if (bitmap == NULL)
return;
BTranslatorRoster* roster = BTranslatorRoster::Default();
if (roster == NULL)
return;
BBitmapStream stream(bitmap);
// find translation format we're asked for
translator_info* outInfo;
int32 outNumInfo;
bool found = false;
translation_format format;
if (roster->GetTranslators(&stream, NULL, &outInfo, &outNumInfo) == B_OK) {
for (int32 i = 0; i < outNumInfo; i++) {
const translation_format* formats;
int32 formatCount;
roster->GetOutputFormats(outInfo[i].translator, &formats,
&formatCount);
for (int32 j = 0; j < formatCount; j++) {
if (strcmp(formats[j].MIME, type.String()) == 0) {
format = formats[j];
found = true;
break;
}
}
}
}
if (!found) {
stream.DetachBitmap(&bitmap);
return;
}
if (sendInMessage) {
BMessage reply(B_MIME_DATA);
BMallocIO memStream;
if (roster->Translate(&stream, NULL, NULL, &memStream,
format.type) == B_OK) {
reply.AddData(format.MIME, B_MIME_TYPE, memStream.Buffer(),
memStream.BufferLength());
msg->SendReply(&reply);
}
} else {
BDirectory dir(&dirRef);
BFile file(&dir, name.String(), B_WRITE_ONLY | B_CREATE_FILE
| B_ERASE_FILE);
if (file.InitCheck() == B_OK
&& roster->Translate(&stream, NULL, NULL, &file,
format.type) == B_OK) {
BNodeInfo nodeInfo(&file);
if (nodeInfo.InitCheck() == B_OK)
nodeInfo.SetType(type.String());
} else {
BString text = B_TRANSLATE("The file '%name%' could not "
"be written.");
text.ReplaceFirst("%name%", name);
BAlert* alert = new BAlert(B_TRANSLATE("Error"), text.String(),
B_TRANSLATE("OK"), NULL, NULL, B_WIDTH_AS_USUAL, B_STOP_ALERT);
alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
alert->Go();
}
}
// Detach, as we don't want our fPicture to be deleted
stream.DetachBitmap(&bitmap);
}
BMessage *DragonView::_MakeDragMessage( void )
{
DragonApp *app = dynamic_cast<DragonApp *>( be_app );
BMessage *msg = new BMessage( B_SIMPLE_DATA );
// We can handle any image type that's supported by the currently
// installed Translators.
//
// A "real" application would want to add the Translators in order,
// from best to worst using the quality and capability data in the
// Translator information structure. It would also want to make sure
// that there weren't any duplicate types in the drag message.
BTranslatorRoster *translators = BTranslatorRoster::Default();
translator_id *all_translators = NULL;
int32 num_translators = 0;
status_t retval = translators->GetAllTranslators( &all_translators,
&num_translators );
if( retval == B_OK ) {
// Only add translators that support appropriate inputs/outputs.
for( int32 idx = 0; idx < num_translators; idx++ ) {
const translation_format *in_formats = NULL;
int32 num_in = 0;
// Get the list of input formats for this Translator.
retval = translators->GetInputFormats( all_translators[idx],
&in_formats,
&num_in );
if( retval != B_OK ) continue;
// Make sure it supports BBitmap inputs.
for( int32 in = 0; in < num_in; in++ ) {
if( !strcmp( in_formats[in].MIME, "image/x-be-bitmap" ) ) {
// Add this translator's output formats to the message.
const translation_format *out_formats = NULL;
int32 num_out = 0;
retval = translators->GetOutputFormats( all_translators[idx],
&out_formats,
&num_out );
if( retval != B_OK ) break;
for( int32 out = 0; out < num_out; out++ ) {
// Add every type except "image/x-be-bitmap",
// which won't be of any use to us.
if( strcmp( out_formats[out].MIME, "image/x-be-bitmap" ) ) {
msg->AddString( "be:types",
out_formats[out].MIME );
msg->AddString( "be:filetypes",
out_formats[out].MIME );
msg->AddString( "be:type_descriptions",
out_formats[out].name );
}
}
}
}
}
}
// We can also handle raw data.
msg->AddString( "be:types", B_FILE_MIME_TYPE );
msg->AddString( "be:filetypes", B_FILE_MIME_TYPE );
msg->AddString( "be:type_descriptions",
app->rsrc_strings->FindString( RSRC_Raw_Data ) );
// Add the actions that we'll support. B_LINK_TARGET doesn't make much
// sense in this context, so we'll leave it out. B_MOVE_TARGET is a
// B_COPY_TARGET followed by B_TRASH_TARGET...
msg->AddInt32( "be:actions", B_COPY_TARGET );
msg->AddInt32( "be:actions", B_TRASH_TARGET );
msg->AddInt32( "be:actions", B_MOVE_TARGET );
// A file name for dropping onto things (like the Tracker) that create
// files.
msg->AddString( "be:clip_name", "Dropped Bitmap" );
return msg;
}
void
ScreenshotWindow::_ShowSettings(bool activate)
{
if (!fSettingsWindow && !activate)
return;
// Find a translator
translator_id translator = 0;
BTranslatorRoster *roster = BTranslatorRoster::Default();
translator_id* translators = NULL;
int32 numTranslators = 0;
if (roster->GetAllTranslators(&translators, &numTranslators) != B_OK)
return;
bool foundTranslator = false;
for (int32 x = 0; x < numTranslators; x++) {
const translation_format* formats = NULL;
int32 numFormats;
if (roster->GetOutputFormats(translators[x], &formats,
&numFormats) == B_OK) {
for (int32 i = 0; i < numFormats; ++i) {
if (formats[i].type == static_cast<uint32>(fImageFileType)) {
translator = translators[x];
foundTranslator = true;
break;
}
}
}
if (foundTranslator)
break;
}
delete [] translators;
if (!foundTranslator)
return;
// Create a window with a configuration view
BView *view;
BRect rect(0, 0, 239, 239);
status_t err = roster->MakeConfigurationView(translator, NULL, &view,
&rect);
if (err < B_OK || view == NULL) {
BAlert *alert = new BAlert(NULL, strerror(err), "OK");
alert->Go();
} else {
if (fSettingsWindow) {
fSettingsWindow->RemoveChild(fSettingsWindow->ChildAt(0));
float width, height;
view->GetPreferredSize(&width, &height);
fSettingsWindow->ResizeTo(width, height);
fSettingsWindow->AddChild(view);
if (activate)
fSettingsWindow->Activate();
} else {
fSettingsWindow = new BWindow(rect,
B_TRANSLATE("Translator Settings"),
B_TITLED_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
B_NOT_ZOOMABLE | B_NOT_RESIZABLE);
fSettingsWindow->AddFilter(new QuitMessageFilter(this));
fSettingsWindow->AddChild(view);
fSettingsWindow->CenterOnScreen();
fSettingsWindow->Show();
}
}
}
void SketchApp::ReadyToRun()
{
// Build a menu into your filepanel for fun and profit!
SketchWindow *mainWindow = ((SketchWindow *)FindWindow("Etch-A-Sketch"B_UTF8_REGISTERED));
//BFilePanel *saver = NULL;
BMenuField *formatMenu = NULL;
BMenu *menu = NULL;
BView *saverView = NULL;
BRect rect, bounds;
menu_info m_info;
int32 menubarheight=0;
// get some menu measurements
get_menu_info(&m_info);
menubarheight = (int32)m_info.font_size + 8;
// make the filepanel
saver = new BFilePanel(B_SAVE_PANEL, NULL, NULL, B_FILE_NODE, false); // _ctor
if(saver->Window()->Lock())
{
// get a pointer to a view
saverView = (BView *)saver->Window()->ChildAt(0);
// get a rect for the filepanel's window
bounds = saverView->Bounds();
// make a menu
menu = new BMenu("Format");
// construct the BMenuFeild for the menu
rect.Set(bounds.right - 100, bounds.top + menubarheight, bounds.right - 40, bounds.top + menubarheight + 15);
formatMenu = new BMenuField(rect, "format menu", "", menu);
formatMenu->SetDivider(0);
// Below was ganked from the BeBook
//find all the translators
BTranslatorRoster *roster = BTranslatorRoster::Default();
int32 num_translators, i;
translator_id *translators;
const char *translator_name, *translator_info;
int32 translator_version;
roster->GetAllTranslators(&translators, &num_translators); // function allocates the memory for translators
for (i=0;i<num_translators;i++)
{
const translation_format *fmts;
int32 num_fmts;
roster->GetTranslatorInfo(translators[i], &translator_name, &translator_info, &translator_version);
roster->GetOutputFormats(translators[i], &fmts, &num_fmts);
if(fmts[0].group == B_TRANSLATOR_BITMAP) // make sure we only get bitmap translators
{
BMessage *message = new BMessage(TRANSLATOR);
message->AddString("save format", fmts[0].MIME);
if(i == 0)
mainWindow->PostMessage(message); // this will init 'format' for us
menu->AddItem(new BMenuItem(translator_name, message));
}
//printf("%s: %s (%.2f)\n", translator_name, translator_info, translator_version/100.);
}
delete [] translators; // clean up our droppings
// found em all
menu->SetRadioMode(true);
menu->ItemAt(0)->SetMarked(true);
menu->SetTargetForItems(mainWindow);
saverView->AddChild(formatMenu);
saver->Window()->Unlock();
}
}
