Chat-O-Matic/libs/librunview/Theme.cpp

/* 
 * The contents of this file are subject to the Mozilla Public 
 * License Version 1.1 (the "License"); you may not use this file 
 * except in compliance with the License. You may obtain a copy of 
 * the License at http://www.mozilla.org/MPL/ 
 * 
 * Software distributed under the License is distributed on an "AS 
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 
 * implied. See the License for the specific language governing 
 * rights and limitations under the License. 
 * 
 * The Original Code is Vision. 
 * 
 * The Initial Developer of the Original Code is The Vision Team.
 * Portions created by The Vision Team are
 * Copyright (C) 1999, 2000, 2001 The Vision Team.  All Rights
 * Reserved.
 * 
 * Contributor(s): Rene Gollent
 *                 Todd Lair
 *				   Andrea Anzani, andrea.anzani@gmail.com
 */
 
#define NUMBER_THEME_READERS  1000

#include <Message.h>
#include <Messenger.h>
#include <View.h>
#include <malloc.h>
#include <stdio.h> //fix
#include <string.h>

#include "Theme.h"
#include "NormalTextRender.h"

int16 Theme::TimestampFore      = 0;
int16 Theme::TimestampBack      = 0;
int16 Theme::TimestampFont      = 0;
int16 Theme::TimespaceFore      = 1;
int16 Theme::TimespaceBack      = 1;
int16 Theme::TimespaceFont      = 1;
int16 Theme::NormalFore         = 2;
int16 Theme::NormalBack         = 2;
int16 Theme::NormalFont         = 2;
int16 Theme::SelectionBack      = 3;

//at least we use a 'normal' text render


Theme::Theme (
  const char *n,
  int16 foreCount,
  int16 backCount,
  int16 renderCount)
  :  name (NULL),
     fores (NULL),
     backs (NULL),
     text_renders (NULL),
     fore_count (max_c (foreCount, 4)),
     back_count (max_c (backCount, 4)),
     render_count (max_c (renderCount, 4))
{
	
	fSoftLineIndent = (float)(MARGIN_WIDTH / 2.0);
	fTextMargin = (float)(MARGIN_WIDTH / 2.0);
	
  name = strcpy (new char [strlen (n) + 1], n);

  fores = new rgb_color [fore_count];
  backs = new rgb_color [back_count];
  
  normal_textrender = new NormalTextRender(be_plain_font);
  
  text_renders = (TextRender**)malloc(render_count*sizeof(TextRender*));
	for ( int i=0; i<render_count; i++ )
		text_renders[i] = normal_textrender;
	
  
	
  sid = create_sem (NUMBER_THEME_READERS, name);

  rgb_color def_timestamp_fore  = {200, 150, 150, 255};
  rgb_color def_timestamp_back  = {255, 255, 255, 255};
  rgb_color def_fore            = {0, 0, 0, 255};
  rgb_color def_back            = {255, 255, 255, 255};

  fores[0] = def_timestamp_fore;

  int16 i;
  for (i = 1; i < fore_count; ++i)
    fores[i] = def_fore;

  backs[0] = def_timestamp_back;
  for (i = 1; i < back_count; ++i)
    backs[i] = def_back;
}

Theme::~Theme (void)
{
  delete_sem (sid);

  //delete [] fonts;
  	for ( int i=0; i<render_count; i++ )
		if ( text_renders[i] )
			text_renders[i]=NULL;
	
  delete normal_textrender;
  
  delete [] backs;
  delete [] fores;
  delete [] name;
}

int16
Theme::CountForegrounds (void) const
{
  return fore_count;
}

int16
Theme::CountBackgrounds (void) const
{
  return back_count;
}
/*
int16
Theme::CountFonts (void) const
{
  return font_count;
}
*/

int16
Theme::CountTextRenders (void) const
{
  return render_count;
}

void
Theme::ReadLock (void)
{
  acquire_sem (sid);
}

void
Theme::ReadUnlock (void)
{
  release_sem (sid);
}

void
Theme::WriteLock (void)
{
  acquire_sem_etc (sid, NUMBER_THEME_READERS, 0, 0);
}

void
Theme::WriteUnlock (void)
{
  release_sem_etc (sid, NUMBER_THEME_READERS, 0);
}

const rgb_color 
Theme::ForegroundAt (int16 which) const
{
  rgb_color color = {0, 0, 0, 255};

  if (which >= fore_count || which < 0)
    return color;

  return fores[which];
}

const rgb_color
Theme::BackgroundAt (int16 which) const
{
  rgb_color color = {255, 255, 255, 255};

  if (which >= back_count || which < 0)
    return color;

  return backs[which];
}
/*
const BFont &
Theme::FontAt (int16 which) const
{
  if (which >= font_count || which < 0)
    return *be_plain_font;

  return fonts[which];
}
*/

TextRender*
Theme::TextRenderAt (int16 which) 
{
  if ( which < 0 ){
  	//printf("Theme::TextRenderAt(): which < 0 (%d)\n", which);
  	return normal_textrender;
  }
  if ( which >= render_count ){
  	//printf("Theme::TextRenderAt(): which >= render_count (%d, %d)\n", which, render_count);
  	return normal_textrender;
  }
  
  return text_renders[which];
}

bool
Theme::SetForeground (int16 which, const rgb_color color)
{
  if (which >= fore_count || which < 0)
    return false;

  fores[which] = color;
  return true;
}

bool
Theme::SetBackground (int16 which, const rgb_color color)
{
  if (which >= back_count || which < 0)
    return false;

  backs[which] = color;
  return true;
}


bool
Theme::SetTextRender(int16 which,TextRender *trender)
{
	
	
    if (which >= render_count || which < 0 || !trender)
        return false;
        
   	text_renders[which] = trender;
  	return true;
}

void
Theme::AddView (BView *view)
{
  list.AddItem (view);
}

void
Theme::RemoveView (BView *view)
{
  list.RemoveItem (view);
}

void
Theme::SetTextMargin(float margin)
{
	fTextMargin = margin;
}

void
Theme::SetSoftLineIndent(float indent)
{
	fSoftLineIndent = indent;
}