int32_t PTextViewCanEndLine(void *pobject, void *in, void *out, void *extraData) { if (!pobject || !in || !out) return B_ERROR; PView *parent = static_cast<PView*>(pobject); if (!parent) return B_BAD_TYPE; BTextView *backend = (BTextView*)parent->GetView(); PArgs *inArgs = static_cast<PArgs*>(in); PArgs *outArgs = static_cast<PArgs*>(out); int32 offset; if (inArgs->FindInt32("offset", &offset) != B_OK) return B_ERROR; if (backend->Window()) backend->Window()->Lock(); bool outValue1; outValue1 = backend->ByteAt(offset); if (backend->Window()) backend->Window()->Unlock(); outArgs->MakeEmpty(); return B_OK; }
/*********************************************************** * HardWrap ***********************************************************/ void HWrapTextView::GetHardWrapedText(BString &out) { MakeEditable(false); BTextView *offview = new BTextView(Bounds(),NULL,TextRect(),B_FOLLOW_ALL); offview->SetText(Text()); BFont font; uint32 propa; GetFontAndColor(&font,&propa); out = ""; offview->SetFontAndColor(&font,B_FONT_ALL); BString line; int32 length = offview->TextLength(); float view_width = offview->TextRect().Width(); char c=0; bool inserted; for(int32 i=0;i < length;i++) { c = offview->ByteAt(i); if(c == '\n') { line = ""; continue; } line += c; if(font.StringWidth(line.String())>=view_width) { // Back 1 charactor. i--; line.Truncate(line.Length()-1); // Insert line break. inserted = false; int32 len = line.Length(); for(int32 k = 0;k<len;k++) { if(offview->CanEndLine(i-k)) { offview->Insert(i-k,"\n",1); inserted=true; i = i-k; break; } } // If could not find proper position, add line break to end. if(!inserted) offview->Insert(i,"\n",1); line = ""; } } out = offview->Text(); delete offview; MakeEditable(true); }