Add abstract class gMainDC as an interface for gFBDC and gSDLDC
[enigma2.git] / lib / gdi / grc.cpp
index 35626a9357b44be96e86063ab6d0a9c3077717e7..a45b3b1ec6feb386541c71a425bc8b00b870a9c5 100644 (file)
@@ -1,10 +1,4 @@
-// for debugging use:
-// #define SYNC_PAINT
 #include <unistd.h>
-#ifndef SYNC_PAINT
-#include <pthread.h>
-#endif
-
 #include <lib/gdi/grc.h>
 #include <lib/gdi/font.h>
 #include <lib/base/init.h>
@@ -38,6 +32,7 @@ gRC::gRC(): rp(0), wp(0)
        else
                eDebug("RC thread created successfully");
 #endif
+       m_spinner_enabled = 0;
 }
 
 DEFINE_REF(gRC);
@@ -69,6 +64,7 @@ void gRC::submit(const gOpcode &o)
                if ( tmp == rp )
                {
 #ifndef SYNC_PAINT
+                       pthread_cond_signal(&cond);  // wakeup gdi thread
                        pthread_mutex_unlock(&mutex);
 #else
                        thread();
@@ -110,6 +106,9 @@ void *gRC::thread()
 #endif
                if ( rp != wp )
                {
+                               /* make sure the spinner is not displayed when we something is painted */
+                       disableSpinner();
+
                        gOpcode o(queue[rp++]);
                        if ( rp == MAXSIZE )
                                rp=0;
@@ -120,8 +119,16 @@ void *gRC::thread()
                                break;
                        else if (o.opcode==gOpcode::notify)
                                need_notify = 1;
-                       else
+                       else if (o.opcode==gOpcode::setCompositing)
+                       {
+                               m_compositing = o.parm.setCompositing;
+                               m_compositing->Release();
+                       } else if(o.dc)
+                       {
                                o.dc->exec(&o);
+                               // o.dc is a gDC* filled with grabref... so we must release it here
+                               o.dc->Release();
+                       }
                }
                else
                {
@@ -131,7 +138,49 @@ void *gRC::thread()
                                m_notify_pump.send(1);
                        }
 #ifndef SYNC_PAINT
-                       pthread_cond_wait(&cond, &mutex);
+                       while(rp == wp)
+                       {
+                       
+                                       /* when the main thread is non-idle for a too long time without any display output,
+                                          we want to display a spinner. */
+                               struct timespec timeout;
+                               clock_gettime(CLOCK_REALTIME, &timeout);
+
+                               if (m_spinner_enabled)
+                               {
+                                       timeout.tv_nsec += 100*1000*1000;
+                                       /* yes, this is required. */
+                                       if (timeout.tv_nsec > 1000*1000*1000)
+                                       {
+                                               timeout.tv_nsec -= 1000*1000*1000;
+                                               timeout.tv_sec++;
+                                       }
+                               }
+                               else
+                                       timeout.tv_sec += 2;
+
+                               int idle = 1;
+
+                               if (pthread_cond_timedwait(&cond, &mutex, &timeout) == ETIMEDOUT)
+                               {
+                                       if (eApp && !eApp->isIdle())
+                                       {
+                                               int idle_count = eApp->idleCount();
+                                               if (idle_count == m_prev_idle_count)
+                                                       idle = 0;
+                                               else
+                                                       m_prev_idle_count = idle_count;
+                                       }
+                               }
+
+                               if (!idle)
+                               {
+                                       if (!m_spinner_enabled)
+                                               eDebug("main thread is non-idle! display spinner!");
+                                       enableSpinner();
+                               } else
+                                       disableSpinner();
+                       }
                        pthread_mutex_unlock(&mutex);
 #endif
                }
@@ -152,6 +201,42 @@ gRC *gRC::getInstance()
        return instance;
 }
 
+void gRC::enableSpinner()
+{
+       if (!m_spinner_dc)
+       {
+               eDebug("no spinner DC!");
+               return;
+       }
+
+       gOpcode o;
+       o.opcode = m_spinner_enabled ? gOpcode::incrementSpinner : gOpcode::enableSpinner;
+       m_spinner_dc->exec(&o);
+       m_spinner_enabled = 1;
+       o.opcode = gOpcode::flush;
+       m_spinner_dc->exec(&o);
+}
+
+void gRC::disableSpinner()
+{
+       if (!m_spinner_enabled)
+               return;
+
+       if (!m_spinner_dc)
+       {
+               eDebug("no spinner DC!");
+               return;
+       }
+
+       m_spinner_enabled = 0;
+       
+       gOpcode o;
+       o.opcode = gOpcode::disableSpinner;
+       m_spinner_dc->exec(&o);
+       o.opcode = gOpcode::flush;
+       m_spinner_dc->exec(&o);
+}
+
 static int gPainter_instances;
 
 gPainter::gPainter(gDC *dc, eRect rect): m_dc(dc), m_rc(gRC::getInstance())
@@ -242,7 +327,7 @@ void gPainter::renderText(const eRect &pos, const std::string &string, int flags
        o.dc = m_dc.grabRef();
        o.parm.renderText = new gOpcode::para::prenderText;
        o.parm.renderText->area = pos;
-       o.parm.renderText->text = string;
+       o.parm.renderText->text = string.empty()?0:strdup(string.c_str());
        o.parm.renderText->flags = flags;
        m_rc->submit(o);
 }
@@ -251,6 +336,7 @@ void gPainter::renderPara(eTextPara *para, ePoint offset)
 {
        if ( m_dc->islocked() )
                return;
+       ASSERT(para);
        gOpcode o;
        o.opcode=gOpcode::renderPara;
        o.dc = m_dc.grabRef();
@@ -302,6 +388,13 @@ void gPainter::clear()
 
 void gPainter::blit(gPixmap *pixmap, ePoint pos, const eRect &clip, int flags)
 {
+       blitScale(pixmap, eRect(pos, eSize()), clip, flags, 0);
+}
+
+void gPainter::blitScale(gPixmap *pixmap, const eRect &position, const eRect &clip, int flags, int aflags)
+{
+       flags |= aflags;
+
        if ( m_dc->islocked() )
                return;
        gOpcode o;
@@ -313,17 +406,17 @@ void gPainter::blit(gPixmap *pixmap, ePoint pos, const eRect &clip, int flags)
        pixmap->AddRef();
        o.parm.blit  = new gOpcode::para::pblit;
        o.parm.blit->pixmap = pixmap;
-       o.parm.blit->position = pos;
        o.parm.blit->clip = clip;
-       o.parm.blit->flags=flags;
+       o.parm.blit->flags = flags;
+       o.parm.blit->position = position;
        m_rc->submit(o);
 }
 
-
 void gPainter::setPalette(gRGB *colors, int start, int len)
 {
        if ( m_dc->islocked() )
                return;
+       ASSERT(colors);
        gOpcode o;
        o.opcode=gOpcode::setPalette;
        o.dc = m_dc.grabRef();
@@ -349,6 +442,7 @@ void gPainter::mergePalette(gPixmap *target)
 {
        if ( m_dc->islocked() )
                return;
+       ASSERT(target);
        gOpcode o;
        o.opcode = gOpcode::mergePalette;
        o.dc = m_dc.grabRef();
@@ -444,16 +538,6 @@ void gPainter::clippop()
        m_rc->submit(o);
 }
 
-void gPainter::flush()
-{
-       if ( m_dc->islocked() )
-               return;
-       gOpcode o;
-       o.opcode = gOpcode::flush;
-       o.dc = m_dc.grabRef();
-       m_rc->submit(o);
-}
-
 void gPainter::waitVSync()
 {
        if ( m_dc->islocked() )
@@ -484,7 +568,17 @@ void gPainter::notify()
        m_rc->submit(o);
 }
 
-void gPainter::end()
+void gPainter::setCompositing(gCompositingData *comp)
+{
+       gOpcode o;
+       o.opcode = gOpcode::setCompositing;
+       o.dc = 0;
+       o.parm.setCompositing = comp;
+       comp->AddRef(); /* will be freed in ::thread */
+       m_rc->submit(o);
+}
+
+void gPainter::flush()
 {
        if ( m_dc->islocked() )
                return;
@@ -494,36 +588,51 @@ void gPainter::end()
        m_rc->submit(o);
 }
 
+void gPainter::end()
+{
+       if ( m_dc->islocked() )
+               return;
+}
+
 gDC::gDC()
 {
+       m_spinner_pic = 0;
 }
 
 gDC::gDC(gPixmap *pixmap): m_pixmap(pixmap)
 {
+       m_spinner_pic = 0;
 }
 
 gDC::~gDC()
 {
+       delete[] m_spinner_pic;
 }
 
-void gDC::exec(gOpcode *o)
+void gDC::exec(const gOpcode *o)
 {
        switch (o->opcode)
        {
        case gOpcode::setBackgroundColor:
                m_background_color = o->parm.setColor->color;
+               m_background_color_rgb = getRGB(m_background_color);
                delete o->parm.setColor;
                break;
        case gOpcode::setForegroundColor:
                m_foreground_color = o->parm.setColor->color;
+               m_background_color_rgb = getRGB(m_foreground_color);
                delete o->parm.setColor;
                break;
        case gOpcode::setBackgroundColorRGB:
-               m_background_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
+               if (m_pixmap->needClut())
+                       m_background_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
+               m_background_color_rgb = o->parm.setColorRGB->color;
                delete o->parm.setColorRGB;
                break;
        case gOpcode::setForegroundColorRGB:
-               m_foreground_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
+               if (m_pixmap->needClut())
+                       m_foreground_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
+               m_foreground_color_rgb = o->parm.setColorRGB->color;
                delete o->parm.setColorRGB;
                break;
        case gOpcode::setFont:
@@ -535,10 +644,11 @@ void gDC::exec(gOpcode *o)
        {
                ePtr<eTextPara> para = new eTextPara(o->parm.renderText->area);
                int flags = o->parm.renderText->flags;
-               assert(m_current_font);
+               ASSERT(m_current_font);
                para->setFont(m_current_font);
                para->renderString(o->parm.renderText->text, (flags & gPainter::RT_WRAP) ? RS_WRAP : 0);
-               
+               if (o->parm.renderText->text)
+                       free(o->parm.renderText->text);
                if (flags & gPainter::RT_HALIGN_RIGHT)
                        para->realign(eTextPara::dirRight);
                else if (flags & gPainter::RT_HALIGN_CENTER)
@@ -555,13 +665,14 @@ void gDC::exec(gOpcode *o)
                        int correction = vcentered_top - bbox.top();
                        offset += ePoint(0, correction);
                }
-               para->blit(*this, offset, getRGB(m_background_color), getRGB(m_foreground_color));
+               
+               para->blit(*this, offset, m_background_color_rgb, m_foreground_color_rgb);
                delete o->parm.renderText;
                break;
        }
        case gOpcode::renderPara:
        {
-               o->parm.renderPara->textpara->blit(*this, o->parm.renderPara->offset + m_current_offset, getRGB(m_background_color), getRGB(m_foreground_color));
+               o->parm.renderPara->textpara->blit(*this, o->parm.renderPara->offset + m_current_offset, m_background_color_rgb, m_foreground_color_rgb);
                o->parm.renderPara->textpara->Release();
                delete o->parm.renderPara;
                break;
@@ -571,7 +682,10 @@ void gDC::exec(gOpcode *o)
                eRect area = o->parm.fill->area;
                area.moveBy(m_current_offset);
                gRegion clip = m_current_clip & area;
-               m_pixmap->fill(clip, m_foreground_color);
+               if (m_pixmap->needClut())
+                       m_pixmap->fill(clip, m_foreground_color);
+               else
+                       m_pixmap->fill(clip, m_foreground_color_rgb);
                delete o->parm.fill;
                break;
        }
@@ -579,12 +693,18 @@ void gDC::exec(gOpcode *o)
        {
                o->parm.fillRegion->region.moveBy(m_current_offset);
                gRegion clip = m_current_clip & o->parm.fillRegion->region;
-               m_pixmap->fill(clip, m_foreground_color);
+               if (m_pixmap->needClut())
+                       m_pixmap->fill(clip, m_foreground_color);
+               else
+                       m_pixmap->fill(clip, m_foreground_color_rgb);
                delete o->parm.fillRegion;
                break;
        }
        case gOpcode::clear:
-               m_pixmap->fill(m_current_clip, m_background_color);
+               if (m_pixmap->needClut())
+                       m_pixmap->fill(m_current_clip, m_background_color);
+               else
+                       m_pixmap->fill(m_current_clip, m_background_color_rgb);
                delete o->parm.fill;
                break;
        case gOpcode::blit:
@@ -592,7 +712,7 @@ void gDC::exec(gOpcode *o)
                gRegion clip;
                                // this code should be checked again but i'm too tired now
                
-               o->parm.blit->position += m_current_offset;
+               o->parm.blit->position.moveBy(m_current_offset);
                
                if (o->parm.blit->clip.valid())
                {
@@ -661,6 +781,15 @@ void gDC::exec(gOpcode *o)
                break;
        case gOpcode::flush:
                break;
+       case gOpcode::enableSpinner:
+               enableSpinner();
+               break;
+       case gOpcode::disableSpinner:
+               disableSpinner();
+               break;
+       case gOpcode::incrementSpinner:
+               incrementSpinner();
+               break;
        default:
                eFatal("illegal opcode %d. expect memory leak!", o->opcode);
        }
@@ -678,6 +807,76 @@ gRGB gDC::getRGB(gColor col)
        return m_pixmap->surface->clut.data[col];
 }
 
+void gDC::enableSpinner()
+{
+       ASSERT(m_spinner_saved);
+       
+               /* save the background to restore it later. We need to negative position because we want to blit from the middle of the screen. */
+       m_spinner_saved->blit(*m_pixmap, eRect(-m_spinner_pos.topLeft(), eSize()), gRegion(eRect(ePoint(0, 0), m_spinner_saved->size())), 0);
+       
+       incrementSpinner();
+}
+
+void gDC::disableSpinner()
+{
+       ASSERT(m_spinner_saved);
+
+               /* restore background */
+       m_pixmap->blit(*m_spinner_saved, eRect(m_spinner_pos.topLeft(), eSize()), gRegion(m_spinner_pos), 0);
+}
+
+void gDC::incrementSpinner()
+{
+       ASSERT(m_spinner_saved);
+       
+       static int blub;
+       blub++;
+
+#if 0
+       int i;
+       
+       for (i = 0; i < 5; ++i)
+       {
+               int x = i * 20 + m_spinner_pos.left();
+               int y = m_spinner_pos.top();
+               
+               int col = ((blub - i) * 30) % 256;
+
+               m_pixmap->fill(eRect(x, y, 10, 10), gRGB(col, col, col));
+       }
+#endif
+
+       m_spinner_temp->blit(*m_spinner_saved, eRect(0, 0, 0, 0), eRect(ePoint(0, 0), m_spinner_pos.size()));
+
+       if (m_spinner_pic[m_spinner_i])
+               m_spinner_temp->blit(*m_spinner_pic[m_spinner_i], eRect(0, 0, 0, 0), eRect(ePoint(0, 0), m_spinner_pos.size()), gPixmap::blitAlphaTest);
+
+       m_pixmap->blit(*m_spinner_temp, eRect(m_spinner_pos.topLeft(), eSize()), gRegion(m_spinner_pos), 0);
+       m_spinner_i++;
+       m_spinner_i %= m_spinner_num;
+}
+
+void gDC::setSpinner(eRect pos, ePtr<gPixmap> *pic, int len)
+{
+       ASSERT(m_pixmap);
+       ASSERT(m_pixmap->surface);
+       m_spinner_saved = new gPixmap(pos.size(), m_pixmap->surface->bpp);
+       m_spinner_temp = new gPixmap(pos.size(), m_pixmap->surface->bpp);
+       m_spinner_pos = pos;
+       
+       m_spinner_i = 0;
+       m_spinner_num = len;
+       
+       int i;
+       if (m_spinner_pic)
+               delete[] m_spinner_pic;
+       
+       m_spinner_pic = new ePtr<gPixmap>[len];
+       
+       for (i = 0; i < len; ++i)
+               m_spinner_pic[i] = pic[i];
+}
+
 DEFINE_REF(gDC);
 
 eAutoInitPtr<gRC> init_grc(eAutoInitNumbers::graphic, "gRC");