implement borders for ePixmap widgets (add feature #589)

[enigma2.git] / lib / gui / elistbox.cpp

diff --git a/lib/gui/elistbox.cpp b/lib/gui/elistbox.cpp
index b7b1e3ff595a6538e3d571f1a2bb3f532bebaf1e..c13114e83ebbf8bc93df4571ef0e6029a7b621d2 100644 (file)
--- a/lib/gui/elistbox.cpp
+++ b/lib/gui/elistbox.cpp
@@ -54,16 +54,10 @@ void eListbox::setWrapAround(bool state)
 
 void eListbox::setContent(iListboxContent *content)
 {
-       int oldsel = m_selected;
        m_content = content;
        if (content)
                m_content->setListbox(this);
        entryReset();
-                       /* if oldsel != m_selected, selectionChanged was already 
-                          emitted in entryReset. we want it in any case, so otherwise,
-                          emit it now. */
-       if (oldsel == m_selected)
-               /* emit */ selectionChanged();
 }
 
 bool eListbox::atBegin()
@@ -99,7 +93,7 @@ void eListbox::moveToEnd()
        }
 }
 
-void eListbox::moveSelection(int dir)
+void eListbox::moveSelection(long dir)
 {
                /* refuse to do anything without a valid list. */
        if (!m_content)
@@ -226,7 +220,6 @@ void eListbox::moveSelection(int dir)
    /* redraw the old and newly selected */
                gRegion inv = eRect(0, m_itemheight * (m_selected-m_top), size().width(), m_itemheight);
                inv |= eRect(0, m_itemheight * (oldsel-m_top), size().width(), m_itemheight);
-               
                invalidate(inv);
        }
 }
@@ -286,7 +279,7 @@ void eListbox::updateScrollBar()
                        if ((pages*m_items_per_page) < entries)
                                ++pages;
                        int start=(m_top*100)/(pages*m_items_per_page);
-                       int vis=(m_items_per_page*100)/(pages*m_items_per_page);
+                       int vis=(m_items_per_page*100+pages*m_items_per_page-1)/(pages*m_items_per_page);
                        if (vis < 3)
                                vis=3;
                        m_scrollbar->setStartEnd(start,start+vis);
@@ -294,6 +287,11 @@ void eListbox::updateScrollBar()
        }
 }
 
+int eListbox::getEntryTop()
+{
+       return (m_selected - m_top) * m_itemheight;
+}
+
 int eListbox::event(int event, void *data, void *data2)
 {
        switch (event)
@@ -304,7 +302,7 @@ int eListbox::event(int event, void *data, void *data2)
                
                if (!m_content)
                        return eWidget::event(event, data, data2);
-               assert(m_content);
+               ASSERT(m_content);
                
                getStyle(style);
                
@@ -318,7 +316,7 @@ int eListbox::event(int event, void *data, void *data2)
                
                gRegion entryrect = eRect(0, 0, size().width(), m_itemheight);
                const gRegion &paint_region = *(gRegion*)data;
-               
+
                for (int y = 0, i = 0; i <= m_items_per_page; y += m_itemheight, ++i)
                {
                        gRegion entry_clip_rect = paint_region & entryrect;
@@ -327,7 +325,7 @@ int eListbox::event(int event, void *data, void *data2)
                                m_content->paint(painter, *style, ePoint(0, y), m_selected == m_content->cursorGet() && m_content->size() && m_selection_enabled);
 
                                /* (we could clip with entry_clip_rect, but 
-                                  this shouldn't change the behaviour of any
+                                  this shouldn't change the behavior of any
                                   well behaving content, so it would just
                                   degrade performance without any gain.) */
 
@@ -356,7 +354,7 @@ int eListbox::event(int event, void *data, void *data2)
        case evtAction:
                if (isVisible())
                {
-                       moveSelection((int)data2);
+                       moveSelection((long)data2);
                        return 1;
                }
                return 0;
@@ -428,7 +426,10 @@ void eListbox::entryRemoved(int index)
        if (index == m_selected && m_content)
                m_selected = m_content->cursorGet();
 
-       moveSelection(justCheck);
+       if (m_content && m_content->cursorGet() >= m_content->size())
+               moveSelection(moveUp);
+       else
+               moveSelection(justCheck);
 
        if ((m_top <= index) && (index < (m_top + m_items_per_page)))
        {
@@ -450,6 +451,7 @@ void eListbox::entryReset(bool selectionHome)
 {
        m_content_changed = true;
        m_prev_scrollbar_page = -1;
+       int oldsel;
 
        if (selectionHome)
        {
@@ -466,10 +468,15 @@ void eListbox::entryReset(bool selectionHome)
                else
                        m_selected = 0;
                m_content->cursorSet(m_selected);
-               selectionChanged();
        }
        
+       oldsel = m_selected;
        moveSelection(justCheck);
+               /* if oldsel != m_selected, selectionChanged was already 
+                  emitted in moveSelection. we want it in any case, so otherwise,
+                  emit it now. */
+       if (oldsel == m_selected)
+               /* emit */ selectionChanged();
        invalidate();
 }
 
@@ -479,12 +486,24 @@ void eListbox::setBackgroundColor(gRGB &col)
        m_style.m_background_color_set = 1;
 }
 
+void eListbox::setBackgroundColorSelected(gRGB &col)
+{
+       m_style.m_background_color_selected = col;
+       m_style.m_background_color_selected_set = 1;
+}
+
 void eListbox::setForegroundColor(gRGB &col)
 {
        m_style.m_foreground_color = col;
        m_style.m_foreground_color_set = 1;
 }
 
+void eListbox::setForegroundColorSelected(gRGB &col)
+{
+       m_style.m_foreground_color_selected = col;
+       m_style.m_foreground_color_selected_set = 1;
+}
+
 void eListbox::setBackgroundPicture(ePtr<gPixmap> &pm)
 {
        m_style.m_background = pm;
@@ -495,6 +514,14 @@ void eListbox::setSelectionPicture(ePtr<gPixmap> &pm)
        m_style.m_selection = pm;
 }
 
+void eListbox::invalidate(const gRegion &region)
+{
+       gRegion tmp(region);
+       if (m_content)
+               m_content->updateClip(tmp);
+       eWidget::invalidate(tmp);
+}
+
 struct eListboxStyle *eListbox::getLocalStyle(void)
 {
                /* transparency is set directly in the widget */