- add overwrite support

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

diff --git a/lib/gui/einput.cpp b/lib/gui/einput.cpp
index b87c664cce9178f8c1a8ef36ef02b9ffc6a4ee0f..7f37c4dbf5040b0eafaa8bed5cca48d2483e1560 100644 (file)
--- a/lib/gui/einput.cpp
+++ b/lib/gui/einput.cpp
@@ -9,20 +9,20 @@ eInput::eInput(eWidget *parent): eLabel(parent)
        m_valign = alignCenter;
        m_halign = alignCenter;
 
-       ePtr<eActionMap> ptr;
-       eActionMap::getInstance(ptr);
-       ptr->bindAction("InputActions", 0, 0, this);
-       
-               // bind all keys
-       ptr->bindAction("", 0, 1, this);
+       m_mode = 0;
 }
 
 eInput::~eInput()
 {
-       ePtr<eActionMap> ptr;
-       eActionMap::getInstance(ptr);
-       ptr->unbindAction(this, 0);
-       ptr->unbindAction(this, 1);
+       mayKillFocus();
+}
+
+void eInput::setOverwriteMode(int m)
+{
+       int om = m_mode;
+       m_mode = m;
+       if (om != m_mode)
+               invalidate();
 }
 
 void eInput::setContent(eInputContent *content)
@@ -58,19 +58,30 @@ int eInput::event(int event, void *data, void *data2)
                eDebug("cursor is %d", cursor);
                para->setFont(m_font);
                para->renderString(text, 0);
-               
                int glyphs = para->size();
-               eRect bbox;
-               if (cursor < glyphs)
+               
+               if (m_mode && cursor < glyphs)
                {
-                       bbox = para->getGlyphBBox(cursor);
-                       bbox = eRect(bbox.left()-1, 0, 2, size().height());
+                               /* in overwrite mode, when not at end of line, invert the current cursor position. */
+                       para->setGlyphFlag(cursor, GS_INVERT);
+                       eRect bbox = para->getGlyphBBox(cursor);
+                       bbox = eRect(bbox.left(), 0, bbox.width() + 2, size().height());
+                       painter.fill(bbox);
                } else
                {
-                       bbox = para->getGlyphBBox(cursor - 1);
-                       bbox = eRect(bbox.right(), 0, 2, size().height());
+                               /* otherwise, insert small cursor */
+                       eRect bbox;
+                       if (cursor < glyphs)
+                       {
+                               bbox = para->getGlyphBBox(cursor);
+                               bbox = eRect(bbox.left()-1, 0, 2, size().height());
+                       } else
+                       {
+                               bbox = para->getGlyphBBox(cursor - 1);
+                               bbox = eRect(bbox.right(), 0, 2, size().height());
+                       }
+                       painter.fill(bbox);
                }
-               painter.fill(bbox);
                
                painter.renderPara(para, ePoint(0, 0));
                
@@ -99,6 +110,9 @@ int eInput::event(int event, void *data, void *data2)
                        case deleteBackward:
                                m_content->deleteChar(eInputContent::deleteBackward);
                                break;
+                       case toggleOverwrite:
+                               setOverwriteMode(!m_mode);
+                               break;
                        }
                        return 1;
                }
@@ -107,8 +121,27 @@ int eInput::event(int event, void *data, void *data2)
        {
                int key = (int)data;
                int flags = (int)data2;
-               if (m_content && !(flags & 1))
-                       m_content->haveKey(key);
+               if (m_content && !(flags & 1)) // only make/repeat, no break
+                       return m_content->haveKey(key, m_mode);
+               break;
+       }
+       case evtFocusGot:
+       {
+               eDebug("focus got in %p", this);
+               ePtr<eActionMap> ptr;
+               eActionMap::getInstance(ptr);
+               ptr->bindAction("InputActions", 0, 0, this);
+                       // bind all keys
+               ptr->bindAction("", 0, 1, this);
+               break;
+       }
+       case evtFocusLost:
+       {
+               eDebug("focus lostin %p", this);
+               ePtr<eActionMap> ptr;
+               eActionMap::getInstance(ptr);
+               ptr->unbindAction(this, 0);
+               ptr->unbindAction(this, 1);
                break;
        }
        default:
@@ -179,7 +212,7 @@ void eInputContentNumber::moveCursor(int dir)
                        m_input->invalidate();
 }
 
-int eInputContentNumber::haveKey(int code)
+int eInputContentNumber::haveKey(int code, int overwrite)
 {
        int have_digit = -1;
 
@@ -197,11 +230,16 @@ int eInputContentNumber::haveKey(int code)
        DIGIT(7);
        DIGIT(8);
        DIGIT(9);
+       default:
+               return 0;
        }
        
        if (have_digit != -1)
        {
                insertDigit(m_cursor, have_digit);
+                       /* if overwrite and not end of line, erase char first. */
+               if (overwrite && m_cursor < m_len)
+                       insertDigit(m_cursor + 1, -1);
                m_cursor++;
                
                recalcLen();
@@ -212,6 +250,7 @@ int eInputContentNumber::haveKey(int code)
  
                if (m_input)
                        m_input->invalidate();
+               return 1;
        }
        return 0;
 }