+ tRichText_Window *info = Window->RendererInfo;
+ int i;
+ tRichText_Line *line = info->FirstVisLine;
+
+ if( !line ) {
+ line = info->FirstLine;
+ while(line && line->Num < info->FirstVisRow )
+ line = line->Next;
+ info->FirstVisLine = line;
+ }
+ while( line && line->Prev && line->Prev->Num > info->FirstVisRow )
+ line = line->Prev;
+
+ for( i = 0; i < info->DispLines && line; i ++ )
+ {
+ if( i >= info->nLines - info->FirstVisRow )
+ break;
+ // TODO: Dirty rectangles?
+ WM_Render_FillRect(Window,
+ 0, i*info->LineHeight,
+ Window->W, info->LineHeight,
+ info->DefaultBG
+ );
+ if( line->Num > info->FirstVisRow + i )
+ continue ;
+ // TODO: Horizontal scrolling?
+ // TODO: Formatting
+
+ // Formatted text out
+ Renderer_RichText_RenderText(Window, i, line->Data);
+ _SysDebug("RichText: %p - Render %i '%.*s'", Window,
+ line->Num, line->ByteLength, line->Data);
+
+ line = line->Next;
+ }
+ // Clear out i -- info->DispLines
+ _SysDebug("RichText: %p - Clear %i px lines with %06x starting at %i",
+ Window, (info->DispLines-i)*info->LineHeight, info->DefaultBG, i*info->LineHeight);
+ WM_Render_FillRect(Window,
+ 0, i*info->LineHeight,
+ Window->W, (info->DispLines-i)*info->LineHeight,
+ info->DefaultBG
+ );
+
+ // HACK!
+ info->DispCols = Window->W / 8;
+
+ // TODO: Text cursor
+ _SysDebug("Cursor at %i,%i", info->CursorCol, info->CursorRow);
+ _SysDebug(" Range [%i+%i],[%i+%i]", info->FirstVisRow, info->DispLines, info->FirstVisCol, info->DispCols);
+ if( info->CursorRow >= info->FirstVisRow && info->CursorRow < info->FirstVisRow + info->DispLines )
+ {
+ if( info->CursorCol >= info->FirstVisCol && info->CursorCol < info->FirstVisCol + info->DispCols )
+ {
+ // TODO: Kill hardcoded 8 with cached text distance
+ WM_Render_FillRect(Window,
+ (info->CursorCol - info->FirstVisCol) * 8,
+ (info->CursorRow - info->FirstVisRow) * info->LineHeight,
+ 1,
+ info->LineHeight,
+ info->DefaultFG
+ );
+ }
+ }
+}
+
+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:
+ info->CursorRow = msg->Value >> 12;
+ info->CursorCol = msg->Value & 0xFFF;
+ 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 *line = info->FirstLine;
+ tRichText_Line *prev = NULL;
+ while(line && line->Num < msg->Line)
+ prev = line, line = line->Next;
+ if( !line || line->Num > msg->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 = line;
+ 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));
+
+ WM_Invalidate( Window );
+
+ return 0;