X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FApplications%2Faxwin3_src%2FWM%2Frenderers%2Frichtext.c;h=8f69c9ca7eca1c78910c112c69cdab8e39fc4aac;hb=c86a932dea9d15974e42c99b41ef8f34b17462df;hp=35fd5ef9303b68ddfe2016189c1f7ca06e59e36f;hpb=d02a9dd1f6752a65efe6a8326a86a288a4165c94;p=tpg%2Facess2.git

diff --git a/Usermode/Applications/axwin3_src/WM/renderers/richtext.c b/Usermode/Applications/axwin3_src/WM/renderers/richtext.c
index 35fd5ef9..8f69c9ca 100644
--- a/Usermode/Applications/axwin3_src/WM/renderers/richtext.c
+++ b/Usermode/Applications/axwin3_src/WM/renderers/richtext.c
@@ -7,20 +7,60 @@
  */
 #include <common.h>
 #include <wm_renderer.h>
+#include <wm_messages.h>
 #include <richtext_messages.h>
+#include <stdio.h>	// sscanf
+#include <string.h>	// memcpy
+
+#define LINES_PER_BLOCK	30
+
+// === TYPES ===
+typedef struct sRichText_Line
+{
+	struct sRichText_Line	*Next;
+	struct sRichText_Line	*Prev;
+	 int	Num;
+	// TODO: Pre-rendered cache?
+	short	ByteLength;
+	short	Space;
+	char	Data[];
+} tRichText_Line;
+typedef struct sRichText_Window
+{
+	 int	DispLines, DispCols;
+	 int	FirstVisRow, FirstVisCol;
+	 int	nLines, nCols;
+	 int	CursorRow, CursorCol;
+	tRichText_Line	*FirstLine;
+	tRichText_Line	*FirstVisLine;
+	tColour	DefaultFG;
+	tColour	DefaultBG;
+	tFont	*Font;
+	
+	short	LineHeight;
+} tRichText_Window;
 
 // === PROTOTYPES ===
  int	Renderer_RichText_Init(void);
 tWindow	*Renderer_RichText_Create(int Flags);
+void	Renderer_RichText_Destroy(tWindow *Window);
 void	Renderer_RichText_Redraw(tWindow *Window);
+ int	Renderer_RichText_HandleIPC_SetAttr(tWindow *Window, size_t Len, const void *Data);
+ int	Renderer_RichText_HandleIPC_WriteLine(tWindow *Window, size_t Len, const void *Data);
  int	Renderer_RichText_HandleMessage(tWindow *Target, int Msg, int Len, const void *Data);
 
 // === GLOBALS ===
 tWMRenderer	gRenderer_RichText = {
 	.Name = "RichText",
 	.CreateWindow	= Renderer_RichText_Create,
+	.DestroyWindow  = Renderer_RichText_Destroy,
 	.Redraw 	= Renderer_RichText_Redraw,
-	.HandleMessage	= Renderer_RichText_HandleMessage
+	.HandleMessage	= Renderer_RichText_HandleMessage,
+	.nIPCHandlers = N_IPC_RICHTEXT,
+	.IPCHandlers = {
+		[IPC_RICHTEXT_SETATTR] = Renderer_RichText_HandleIPC_SetAttr,
+		[IPC_RICHTEXT_WRITELINE] = Renderer_RichText_HandleIPC_WriteLine
+	}
 };
 
 // === CODE ===
@@ -32,20 +72,296 @@ int Renderer_RichText_Init(void)
 
 tWindow *Renderer_RichText_Create(int Flags)
 {
-	return NULL;
+	tRichText_Window	*info;
+	tWindow *ret = WM_CreateWindowStruct( sizeof(*info) );
+	if(!ret)	return NULL;
+	info = ret->RendererInfo;
+	
+	// Initialise font (get an idea of dimensions)
+	int h;
+	WM_Render_GetTextDims(NULL, "yY!", 3, NULL, &h);
+	info->LineHeight = h;
+	
+	return ret;
+}
+
+void Renderer_RichText_Destroy(tWindow *Window)
+{
+	tRichText_Window	*info = Window->RendererInfo;
+
+	// TODO: Is locking needed? WM_Destroy should have taken us off the render tree
+	while( info->FirstLine )
+	{
+		tRichText_Line *line = info->FirstLine;
+		info->FirstLine = line->Next;
+
+		free(line);
+	}
+
+	if( info->Font )
+		_SysDebug("RichText_Destroy - TODO: Free font");
+}
+
+static inline int Renderer_RichText_RenderText_Act(tWindow *Window, tRichText_Window *info, int X, int Row, const char *Text, int Bytes, tColour FG, tColour BG, int Flags)
+{
+	 int	rwidth;
+	// TODO: Fill only what is needed? What about the rest of the line?
+	WM_Render_DrawRect(Window, X, Row*info->LineHeight,
+		Window->W - X, info->LineHeight,
+		BG
+		);
+	// TODO: Bold, Italic, Underline
+	rwidth = WM_Render_DrawText(Window,
+		X, Row*info->LineHeight,
+		Window->W - X, info->LineHeight,
+		info->Font, FG,
+		Text, Bytes
+		);
+	return rwidth;
+}
+
+void Renderer_RichText_RenderText(tWindow *Window, int Line, const char *Text)
+{
+	tRichText_Window	*info = Window->RendererInfo;
+	tColour	fg = info->DefaultFG;
+	tColour	bg = info->DefaultBG;
+	 int	flagset = 0;
+	 int	bRender = 0;
+	 int	curx = 0;
+	const char	*oldtext = Text;
+	
+	for( int i = 0; curx < Window->W; i ++ )
+	{
+		char	ch, flags;
+		 int	len;
+
+		if( i == info->FirstVisCol )
+			bRender = 1;
+
+		ch = *Text++;
+		if( ch == 0 )	break;
+
+		// Not an escape - move along
+		if( ch > 4 )
+			continue ;		
+
+		if( bRender ) {
+			// Render previous characters
+			curx += Renderer_RichText_RenderText_Act(Window, info, curx, Line,
+				oldtext, Text - oldtext - 1, fg, bg, flagset);
+			if( curx >= Window->W )
+				break;
+		}
+		oldtext = Text;
+		switch(ch)
+		{
+		case 1:	// FG Select (\1 RRGGBB)
+			if( sscanf(Text, "%6x%n", &fg, &len) != 1 || len != 6 ) {
+				// Bad client
+				_SysDebug("foreground scanf failed - len=%i", len);
+				len = 0;
+			}
+			Text += len;
+			oldtext = Text;
+			_SysDebug("FG update to %x", fg);
+			break ;
+		case 2:	// BG Select (\2 RRGGBB)
+			if( sscanf(Text, "%6x%n", &bg, &len) != 1 || len != 6 ) {
+				// Bad client
+				_SysDebug("background scanf failed - len=%i", len);
+				len = 0;
+			}
+			Text += len;
+			oldtext = Text;
+			_SysDebug("BG update to %x", bg);
+			break ;
+		case 3:	// Flagset (0,it,uline,bold)
+			if( sscanf(Text, "%1hhx%n", &flags, &len) != 1 || len != 1 ) {
+				// Bad client
+				_SysDebug("Flagset scanf failed - len=%i", len);
+			}
+			flagset = flags & 7;
+			Text += len;
+			oldtext = Text;
+			break ;
+		case 4:	// Escape (do nothing)
+			Text ++;
+			// NOTE: No update to oldtext
+			break;
+		default: // Error.
+			break;
+		}
+	}
+	curx += Renderer_RichText_RenderText_Act(Window, info, curx,
+		Line, oldtext, Text - oldtext + 1, fg, bg, flagset);
+	WM_Render_DrawRect(Window, curx, Line * info->LineHeight,
+		Window->W - curx, info->LineHeight, info->DefaultBG);
 }
 
 void Renderer_RichText_Redraw(tWindow *Window)
 {
-	return;
+	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;
 }
 
 int Renderer_RichText_HandleMessage(tWindow *Target, int Msg, int Len, const void *Data)
 {
+	tRichText_Window	*info = Target->RendererInfo;
 	switch(Msg)
 	{
-	case MSG_RICHTEXT_SETATTR:
-		break;
+	case WNDMSG_RESIZE: {
+		const struct sWndMsg_Resize *msg = Data;
+		if(Len < sizeof(*msg))	return -1;
+		info->DispLines = msg->H / info->LineHeight;
+		return 1; }
+	case WNDMSG_KEYDOWN:
+	case WNDMSG_KEYUP:
+	case WNDMSG_KEYFIRE:
+		return 1;
 	}
 	return 0;
 }