#include <lib/gui/ewidgetdesktop.h>
#include <lib/gui/ewidget.h>
+#include <lib/base/ebase.h>
+#include <lib/gdi/grc.h>
+
+extern void dumpRegion(const gRegion ®ion);
void eWidgetDesktop::addRootWidget(eWidget *root, int top)
{
assert(!root->m_desktop);
- if (!top)
+
+ /* buffered mode paints back-to-front, while immediate mode is front-to-back. */
+ if (m_comp_mode == cmBuffered)
+ top = !top;
+
+ if (top)
m_root.push_back(root);
else
m_root.push_front(root);
root->m_desktop = this;
+
+ /* the creation will be postponed. */
+ root->m_comp_buffer = 0;
}
void eWidgetDesktop::removeRootWidget(eWidget *root)
{
+ if (m_comp_mode == cmBuffered)
+ removeBufferForWidget(root);
+
m_root.remove(root);
}
+int eWidgetDesktop::movedWidget(eWidget *root)
+{
+ if ((m_comp_mode == cmBuffered) && (root->m_comp_buffer))
+ {
+ root->m_comp_buffer->m_position = root->position();
+// redrawComposition(0);
+ return 0;
+ }
+
+ return -1;
+}
+
void eWidgetDesktop::calcWidgetClipRegion(eWidget *widget, gRegion &parent_visible)
{
/* start with our clip region, clipped with the parent's */
widget->m_visible_region = widget->m_clip_region;
widget->m_visible_region.moveBy(widget->position());
widget->m_visible_region &= parent_visible; // in parent space!
- /* TODO: check transparency here! */
- /* remove everything this widget will contain from parent's visible list */
- parent_visible -= widget->m_visible_region; // will remove child regions too!
+
+ if (!widget->isTransparent())
+ /* remove everything this widget will contain from parent's visible list, unless widget is transparent. */
+ parent_visible -= widget->m_visible_region; // will remove child regions too!
/* now prepare for recursing to childs */
widget->m_visible_region.moveBy(-widget->position()); // now in local space
widget->m_visible_with_childs = widget->m_visible_region;
- for (ePtrList<eWidget>::iterator i(widget->m_childs.begin()); i != widget->m_childs.end(); ++i)
- calcWidgetClipRegion(*i, widget->m_visible_region);
+ /* add childs in reverse (Z) order - we're going from front-to-bottom here. */
+ ePtrList<eWidget>::iterator i(widget->m_childs.end());
+
+ for (;;)
+ {
+ if (i != widget->m_childs.end())
+ {
+ if (i->m_vis & eWidget::wVisShow)
+ calcWidgetClipRegion(*i, widget->m_visible_region);
+ else
+ clearVisibility(*i);
+ }
+ if (i == widget->m_childs.begin())
+ break;
+ --i;
+ }
}
-void eWidgetDesktop::recalcClipRegions()
+void eWidgetDesktop::recalcClipRegions(eWidget *root)
{
- gRegion screen = gRegion(eRect(ePoint(0, 0), m_screen_size));
+ if (m_comp_mode == cmImmediate)
+ {
+ gRegion background_before = m_screen.m_background_region;
+
+ m_screen.m_background_region = gRegion(eRect(ePoint(0, 0), m_screen.m_screen_size));
- for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
- calcWidgetClipRegion(*i, screen);
-// dumpRegion(screen);
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ {
+ if (!(i->m_vis & eWidget::wVisShow))
+ {
+ clearVisibility(i);
+ continue;
+ }
+
+ gRegion visible_before = i->m_visible_with_childs;
+
+ calcWidgetClipRegion(*i, m_screen.m_background_region);
+
+ gRegion redraw = (i->m_visible_with_childs - visible_before) | (visible_before - i->m_visible_with_childs);
+
+ redraw.moveBy(i->position());
+
+ invalidate(redraw);
+ }
+
+ gRegion redraw = (background_before - m_screen.m_background_region) | (m_screen.m_background_region - background_before);
+ invalidate(redraw);
+ } else if (m_comp_mode == cmBuffered)
+ {
+ if (!root->m_vis & eWidget::wVisShow)
+ {
+ clearVisibility(root);
+ removeBufferForWidget(root);
+ return;
+ }
+ if ((!root->m_comp_buffer) || (root->size() != root->m_comp_buffer->m_screen_size))
+ createBufferForWidget(root);
+
+ eWidgetDesktopCompBuffer *comp = root->m_comp_buffer;
+
+ gRegion visible_before = root->m_visible_with_childs;
+
+ comp->m_background_region = gRegion(eRect(comp->m_position, comp->m_screen_size));
+
+ gRegion visible_new = root->m_visible_with_childs - visible_before;
+ gRegion visible_lost = visible_before - root->m_visible_with_childs;
+ visible_new.moveBy(root->position());
+ visible_lost.moveBy(root->position());
+
+ /* this sucks, obviously. */
+ invalidate(visible_new);
+ invalidate(visible_lost);
+
+ calcWidgetClipRegion(root, comp->m_background_region);
+ }
}
void eWidgetDesktop::invalidate(const gRegion ®ion)
{
- m_dirty_region |= region;
+ if (region.empty())
+ return;
+
+ if (m_timer && !m_require_redraw)
+ m_timer->start(0, 1); // start singleshot redraw timer
+
+ m_require_redraw = 1;
+
+ if (m_comp_mode == cmImmediate)
+ m_screen.m_dirty_region |= region;
+ else
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ {
+ if (!(i->m_vis & eWidget::wVisShow))
+ continue;
+
+ eWidgetDesktopCompBuffer *comp = i->m_comp_buffer;
+
+ gRegion mregion = region;
+ comp->m_dirty_region |= mregion;
+ }
+}
+
+void eWidgetDesktop::setBackgroundColor(eWidgetDesktopCompBuffer *comp, gRGB col)
+{
+ comp->m_background_color = col;
+
+ /* if there's something visible from the background, redraw it with the new color. */
+ if (comp->m_dc && comp->m_background_region.valid() && !comp->m_background_region.empty())
+ {
+ /* todo: split out "setBackgroundColor / clear"... maybe? */
+ gPainter painter(comp->m_dc);
+ painter.resetClip(comp->m_background_region);
+ painter.setBackgroundColor(comp->m_background_color);
+ painter.clear();
+ }
+}
+
+void eWidgetDesktop::setBackgroundColor(gRGB col)
+{
+ setBackgroundColor(&m_screen, col);
+
+ if (m_comp_mode == cmBuffered)
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ setBackgroundColor(i->m_comp_buffer, col);
+}
+
+void eWidgetDesktop::setPalette(gPixmap &pm)
+{
+// if (m_comp_mode == cmImmediate)
+ {
+ ASSERT(m_screen.m_dc);
+ gPainter painter(m_screen.m_dc);
+ painter.setPalette(&pm);
+ }
+
+ if (m_comp_mode == cmBuffered)
+ {
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ {
+ ASSERT(i->m_comp_buffer->m_dc);
+ gPainter painter(i->m_comp_buffer->m_dc);
+ painter.setPalette(&pm);
+ }
+ }
+}
+
+void eWidgetDesktop::paintBackground(eWidgetDesktopCompBuffer *comp)
+{
+ comp->m_dirty_region &= comp->m_background_region;
+
+ gPainter painter(comp->m_dc);
+
+ painter.resetClip(comp->m_dirty_region);
+ painter.setBackgroundColor(comp->m_background_color);
+ painter.clear();
+ painter.flush();
+
+ comp->m_dirty_region = gRegion();
}
void eWidgetDesktop::paint()
{
- gPainter painter(m_dc);
+ m_require_redraw = 0;
+
/* walk all root windows. */
for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
- i->doPaint(painter, m_dirty_region);
- m_dirty_region = gRegion();
+ {
+ eWidgetDesktopCompBuffer *comp = (m_comp_mode == cmImmediate) ? &m_screen : i->m_comp_buffer;
+
+ if (!(i->m_vis & eWidget::wVisShow))
+ continue;
+
+ {
+ gPainter painter(comp->m_dc);
+ painter.moveOffset(-comp->m_position);
+ i->doPaint(painter, comp->m_dirty_region);
+ painter.resetOffset();
+ }
+
+ if (m_comp_mode != cmImmediate)
+ paintBackground(comp);
+ }
+
+ if (m_comp_mode == cmImmediate)
+ paintBackground(&m_screen);
+
+ if (m_comp_mode == cmBuffered)
+ {
+// redrawComposition(0);
+ }
}
void eWidgetDesktop::setDC(gDC *dc)
{
- m_dc = dc;
+ m_screen.m_dc = dc;
+ if (m_comp_mode == cmBuffered)
+ redrawComposition(1);
+}
+
+void eWidgetDesktop::setRedrawTask(eMainloop &ml)
+{
+ if (m_mainloop)
+ {
+ delete m_timer;
+ m_timer = 0;
+ m_mainloop = 0;
+ }
+ m_mainloop = &ml;
+ m_timer = new eTimer(m_mainloop);
+ CONNECT(m_timer->timeout, eWidgetDesktop::paint);
+
+ if (m_require_redraw)
+ m_timer->start(0, 1);
}
-eWidgetDesktop::eWidgetDesktop(eSize size): m_screen_size(size)
+void eWidgetDesktop::makeCompatiblePixmap(gPixmap &pm)
{
+ if (m_comp_mode != cmImmediate)
+ return;
+
+// eDebug("widgetDesktop: make compatible pixmap of %p", &pm);
+ if (!m_screen.m_dc)
+ {
+ eWarning("eWidgetDesktop: no DC to make pixmap compatible with!");
+ return;
+ }
+
+ ePtr<gDC> pixmap_dc = new gDC(&pm);
+ gPainter pixmap_painter(pixmap_dc);
+
+ ePtr<gPixmap> target_pixmap;
+ m_screen.m_dc->getPixmap(target_pixmap);
+
+ assert(target_pixmap);
+
+ pixmap_painter.mergePalette(target_pixmap);
+}
+
+void eWidgetDesktop::setCompositionMode(int mode)
+{
+ m_comp_mode = mode;
+
+ if (mode == cmBuffered)
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ createBufferForWidget(*i);
+ else
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ removeBufferForWidget(*i);
+}
+
+eWidgetDesktop::eWidgetDesktop(eSize size): m_mainloop(0), m_timer(0)
+{
+ m_screen.m_dirty_region = gRegion(eRect(ePoint(0, 0), size));
+ m_screen.m_screen_size = size;
+ m_require_redraw = 0;
+
+ CONNECT(gRC::getInstance()->notify, eWidgetDesktop::notify);
+ setCompositionMode(cmImmediate);
}
eWidgetDesktop::~eWidgetDesktop()
{
+ /* tell registered root windows that they no longer have a desktop. */
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); )
+ {
+ i->m_desktop = 0;
+ i = m_root.erase(i);
+ }
+ /* destroy all buffers */
+ setCompositionMode(-1);
}
+void eWidgetDesktop::createBufferForWidget(eWidget *widget)
+{
+ removeBufferForWidget(widget);
+
+ eWidgetDesktopCompBuffer *comp = widget->m_comp_buffer = new eWidgetDesktopCompBuffer;
+
+ eDebug("create buffer for widget, %d x %d\n", widget->size().width(), widget->size().height());
+
+ eRect bbox = eRect(widget->position(), widget->size());
+ comp->m_position = bbox.topLeft();
+ comp->m_dirty_region = gRegion(eRect(ePoint(0, 0), bbox.size()));
+ comp->m_screen_size = bbox.size();
+ /* TODO: configurable bit depth. */
+
+ /* clone palette. FIXME. */
+ ePtr<gPixmap> pm = new gPixmap(comp->m_screen_size, 32, 1), pm_screen;
+ pm->surface->clut.data = new gRGB[256];
+ pm->surface->clut.colors = 256;
+ pm->surface->clut.start = 0;
+
+
+ m_screen.m_dc->getPixmap(pm_screen);
+
+ memcpy(pm->surface->clut.data, pm_screen->surface->clut.data, 256 * sizeof(gRGB));
+
+ comp->m_dc = new gDC(pm);
+}
+
+void eWidgetDesktop::removeBufferForWidget(eWidget *widget)
+{
+ if (widget->m_comp_buffer)
+ {
+ delete widget->m_comp_buffer;
+ widget->m_comp_buffer = 0;
+ }
+}
+
+void eWidgetDesktop::redrawComposition(int notified)
+{
+ if (m_comp_mode != cmBuffered)
+ return;
+
+ assert(m_screen.m_dc);
+
+ gPainter p(m_screen.m_dc);
+ p.resetClip(eRect(ePoint(0, 0), m_screen.m_screen_size));
+ p.setBackgroundColor(m_screen.m_background_color);
+ p.clear();
+
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ {
+ if (!i->isVisible())
+ continue;
+ ePtr<gPixmap> pm;
+ ASSERT(i->m_comp_buffer);
+ i->m_comp_buffer->m_dc->getPixmap(pm);
+ p.blit(pm, i->m_comp_buffer->m_position, eRect(), gPixmap::blitAlphaBlend);
+ }
+
+ // flip activates on next vsync.
+ p.flip();
+ p.waitVSync();
+
+ if (notified)
+ p.notify();
+
+ for (ePtrList<eWidget>::iterator i(m_root.begin()); i != m_root.end(); ++i)
+ if (i->m_animation.m_active)
+ i->m_animation.tick(1);
+}
+
+void eWidgetDesktop::notify()
+{
+ redrawComposition(1);
+}
+
+void eWidgetDesktop::clearVisibility(eWidget *widget)
+{
+ widget->m_visible_with_childs = gRegion();
+ for (ePtrList<eWidget>::iterator i(widget->m_childs.begin()); i != widget->m_childs.end(); ++i)
+ clearVisibility(*i);
+}
git.cweiske.de / enigma2.git / blobdiff