+}
+
+tRichText_Line *Renderer_RichText_int_GetLine(tWindow *Window, int LineNum, tRichText_Line **Prev)
+{
+ tRichText_Window *info = Window->RendererInfo;
+ tRichText_Line *line = info->FirstLine;
+ tRichText_Line *prev = NULL;
+ while(line && line->Num < LineNum)
+ prev = line, line = line->Next;
+
+ if( Prev )
+ *Prev = prev;
+
+ if( !line || line->Num > LineNum )
+ return NULL;
+ return line;
+}
+
+int Renderer_RichText_HandleIPC_SetAttr(tWindow *Window, size_t Len, const void *Data)
+{
+ tRichText_Window *info = Window->RendererInfo;
+ const struct sRichTextIPC_SetAttr *msg = Data;
+ if(Len < sizeof(*msg)) return -1;
+
+ _SysDebug("RichText Attr %i set to %x", msg->Attr, msg->Value);
+ switch(msg->Attr)
+ {
+ case _ATTR_DEFBG:
+ info->DefaultBG = msg->Value;
+ break;
+ case _ATTR_DEFFG:
+ info->DefaultFG = msg->Value;
+ break;
+ case _ATTR_CURSORPOS: {
+ int newRow = msg->Value >> 12;
+ int newCol = msg->Value & 0xFFF;
+ // Force redraw of old and new row
+ tRichText_Line *line = Renderer_RichText_int_GetLine(Window, info->CursorRow, NULL);
+ if( line )
+ line->bIsClean = 0;
+ if( newRow != info->CursorRow ) {
+ line = Renderer_RichText_int_GetLine(Window, newRow, NULL);
+ if(line)
+ line->bIsClean = 0;
+ }
+ info->CursorRow = newRow;
+ info->CursorCol = newCol;
+ WM_Invalidate(Window, 1);
+ break; }
+ case _ATTR_SCROLL:
+ // TODO: Set scroll flag
+ break;
+ case _ATTR_LINECOUNT:
+ info->nLines = msg->Value;
+ break;
+ }
+
+ return 0;
+}
+
+int Renderer_RichText_HandleIPC_WriteLine(tWindow *Window, size_t Len, const void *Data)
+{
+ tRichText_Window *info = Window->RendererInfo;
+ const struct sRichTextIPC_WriteLine *msg = Data;
+ if( Len < sizeof(*msg) ) return -1;
+ if( msg->Line >= info->nLines ) return 1; // Bad count
+
+ tRichText_Line *prev = NULL;
+ tRichText_Line *line = Renderer_RichText_int_GetLine(Window, msg->Line, &prev);
+ if( !line )
+ {
+ // New line!
+ // Round up to 32
+ int space = ((Len - sizeof(*msg)) + 32-1) & ~(32-1);
+ tRichText_Line *new = malloc(sizeof(*line) + space);
+ // TODO: Bookkeeping on how much memory each window uses
+ new->Next = (prev ? prev->Next : NULL);
+ new->Prev = prev;
+ new->Num = msg->Line;
+ new->Space = space;
+ if(new->Prev) new->Prev->Next = new;
+ else info->FirstLine = new;
+ if(new->Next) new->Next->Prev = new;
+ line = new;
+ }
+ else if( line->Space < Len - sizeof(*msg) )
+ {
+ // Need to allocate more space
+ int space = ((Len - sizeof(*msg)) + 32-1) & ~(32-1);
+ tRichText_Line *new = realloc(line, space);
+ // TODO: Bookkeeping on how much memory each window uses
+ new->Space = space;
+
+ if(new->Prev) new->Prev->Next = new;
+ else info->FirstLine = new;
+ if(new->Next) new->Next->Prev = new;
+ line = new;
+ }
+ else
+ {
+ // It fits :)
+ }
+ line->ByteLength = Len - sizeof(*msg);
+ memcpy(line->Data, msg->LineData, Len - sizeof(*msg));
+ line->bIsClean = 0;
+
+// WM_Invalidate(Window, 1);
+
+ return 0;