struct sRichText_Line *Next;
struct sRichText_Line *Prev;
int Num;
+ char bIsClean;
// TODO: Pre-rendered cache?
short ByteLength;
short Space;
tColour DefaultFG;
tColour DefaultBG;
tFont *Font;
+ char bNeedsFullRedraw;
short LineHeight;
} tRichText_Window;
void Renderer_RichText_Redraw(tWindow *Window)
{
tRichText_Window *info = Window->RendererInfo;
- int i;
tRichText_Line *line = info->FirstVisLine;
if( !line ) {
while( line && line->Prev && line->Prev->Num > info->FirstVisRow )
line = line->Prev;
+ int i;
for( i = 0; i < info->DispLines && line; i ++ )
{
if( i >= info->nLines - info->FirstVisRow )
break;
- // TODO: Dirty rectangles?
+ // Empty line is noted by a discontinuity
+ if( line->Num > info->FirstVisRow + i ) {
+ // Clear line if window needs full redraw
+ if( info->bNeedsFullRedraw ) {
+ WM_Render_FillRect(Window,
+ 0, i*info->LineHeight,
+ Window->W, info->LineHeight,
+ info->DefaultBG
+ );
+ }
+ else {
+ // Hack to clear cursor on NULL lines
+ WM_Render_FillRect(Window,
+ 0, i*info->LineHeight,
+ 1, info->LineHeight,
+ info->DefaultBG
+ );
+ }
+ continue ;
+ }
+
+ if( info->bNeedsFullRedraw || !line->bIsClean )
+ {
+ WM_Render_FillRect(Window,
+ 0, i*info->LineHeight,
+ Window->W, info->LineHeight,
+ info->DefaultBG
+ );
+
+ // Formatted text out
+ Renderer_RichText_RenderText(Window, i, line->Data);
+ _SysDebug("RichText: %p - Render %i '%.*s'", Window,
+ line->Num, line->ByteLength, line->Data);
+ line->bIsClean = 1;
+ }
+
+ line = line->Next;
+ }
+ // Clear out lines i to info->DispLines-1
+ if( info->bNeedsFullRedraw )
+ {
+ _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->LineHeight,
+ Window->W, (info->DispLines-i)*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
- );
+ info->bNeedsFullRedraw = 0;
- // HACK!
+ // HACK: Hardcoded text width of 8
info->DispCols = Window->W / 8;
- // TODO: Text cursor
+ // 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 )
}
}
+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;
case _ATTR_DEFFG:
info->DefaultFG = msg->Value;
break;
- case _ATTR_CURSORPOS:
- info->CursorRow = msg->Value >> 12;
- info->CursorCol = msg->Value & 0xFFF;
- 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;
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 )
+ 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 = line;
+ new->Next = (prev ? prev->Next : NULL);
new->Prev = prev;
new->Num = msg->Line;
new->Space = space;
}
line->ByteLength = Len - sizeof(*msg);
memcpy(line->Data, msg->LineData, Len - sizeof(*msg));
+ line->bIsClean = 0;
- WM_Invalidate( Window );
+// WM_Invalidate(Window, 1);
- return 0;
+ return 0;
}
int Renderer_RichText_HandleMessage(tWindow *Target, int Msg, int Len, const void *Data)
const struct sWndMsg_Resize *msg = Data;
if(Len < sizeof(*msg)) return -1;
info->DispLines = msg->H / info->LineHeight;
+ info->bNeedsFullRedraw = 1; // force full rerender
return 1; }
case WNDMSG_KEYDOWN:
case WNDMSG_KEYUP:
git.ucc.asn.au / tpg / acess2.git / blobdiff
UCC git Repository :: git.ucc.asn.au