Merge pull request #1 from saurabhb17/develop

Added main functions

1 files changed, 559 insertions, 0 deletions

diff --git a/eeschema/lib_text.cpp b/eeschema/lib_text.cpp
new file mode 100644
index 0000000..be8ad78
--- /dev/null
+++ b/eeschema/lib_text.cpp
@@ -0,0 +1,559 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2004-2012 KiCad Developers, see change_log.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+/**
+ * @file lib_text.cpp
+ */
+
+#include <fctsys.h>
+#include <gr_basic.h>
+#include <macros.h>
+#include <class_drawpanel.h>
+#include <plot_common.h>
+#include <drawtxt.h>
+#include <trigo.h>
+#include <wxstruct.h>
+#include <richio.h>
+#include <base_units.h>
+#include <msgpanel.h>
+
+#include <lib_draw_item.h>
+#include <general.h>
+#include <transform.h>
+#include <lib_text.h>
+
+
+LIB_TEXT::LIB_TEXT( LIB_PART * aParent ) :
+    LIB_ITEM( LIB_TEXT_T, aParent ),
+    EDA_TEXT()
+{
+    m_Size       = wxSize( 50, 50 );
+    m_typeName   = _( "Text" );
+    m_rotate     = false;
+    m_updateText = false;
+}
+
+
+bool LIB_TEXT::Save( OUTPUTFORMATTER& aFormatter )
+{
+    wxString text = m_Text;
+
+    if( text.Contains( wxT( "~" ) ) || text.Contains( wxT( "\"" ) ) )
+    {
+        // convert double quote to similar-looking two apostrophes
+        text.Replace( wxT( "\"" ), wxT( "''" ) );
+        text = wxT( "\"" ) + text + wxT( "\"" );
+    }
+    else
+    {
+        // Spaces are not allowed in text because it is not double quoted:
+        // changed to '~'
+        text.Replace( wxT( " " ), wxT( "~" ) );
+    }
+
+    aFormatter.Print( 0, "T %g %d %d %d %d %d %d %s", GetOrientation(), m_Pos.x, m_Pos.y,
+                      m_Size.x, m_Attributs, m_Unit, m_Convert, TO_UTF8( text ) );
+
+    aFormatter.Print( 0, " %s %d", m_Italic ? "Italic" : "Normal", ( m_Bold > 0 ) ? 1 : 0 );
+
+    char hjustify = 'C';
+
+    if( m_HJustify == GR_TEXT_HJUSTIFY_LEFT )
+        hjustify = 'L';
+    else if( m_HJustify == GR_TEXT_HJUSTIFY_RIGHT )
+        hjustify = 'R';
+
+    char vjustify = 'C';
+
+    if( m_VJustify == GR_TEXT_VJUSTIFY_BOTTOM )
+        vjustify = 'B';
+    else if( m_VJustify == GR_TEXT_VJUSTIFY_TOP )
+        vjustify = 'T';
+
+    aFormatter.Print( 0, " %c %c\n", hjustify, vjustify );
+
+    return true;
+}
+
+
+bool LIB_TEXT::Load( LINE_READER& aLineReader, wxString& errorMsg )
+{
+    int     cnt, thickness = 0;
+    char    hjustify = 'C', vjustify = 'C';
+    char    buf[256];
+    char    tmp[256];
+    char*   line = (char*) aLineReader;
+    double  angle;
+
+    buf[0] = 0;
+    tmp[0] = 0;         // For italic option, Not in old versions
+
+    cnt = sscanf( line + 2, "%lf %d %d %d %d %d %d \"%[^\"]\" %255s %d %c %c",
+                  &angle, &m_Pos.x, &m_Pos.y, &m_Size.x, &m_Attributs,
+                  &m_Unit, &m_Convert, buf, tmp, &thickness, &hjustify,
+                  &vjustify );
+
+    if( cnt >= 8 ) // if quoted loading failed, load as not quoted
+    {
+        m_Text = FROM_UTF8( buf );
+
+        // convert two apostrophes back to double quote
+        m_Text.Replace( wxT( "''" ), wxT( "\"" ) );
+    }
+    else
+    {
+        cnt = sscanf( line + 2, "%lf %d %d %d %d %d %d %255s %255s %d %c %c",
+                      &angle, &m_Pos.x, &m_Pos.y, &m_Size.x, &m_Attributs,
+                      &m_Unit, &m_Convert, buf, tmp, &thickness, &hjustify,
+                      &vjustify );
+
+        if( cnt < 8 )
+        {
+            errorMsg.Printf( _( "Text only had %d parameters of the required 8" ), cnt );
+            return false;
+        }
+
+        /* Convert '~' to spaces (only if text is not quoted). */
+        m_Text = FROM_UTF8( buf );
+        m_Text.Replace( wxT( "~" ), wxT( " " ) );
+    }
+
+    SetOrientation( angle );
+
+    m_Size.y = m_Size.x;
+
+    if( strnicmp( tmp, "Italic", 6 ) == 0 )
+        m_Italic = true;
+
+    if( thickness > 0 )
+    {
+        m_Bold = true;
+    }
+
+    switch( hjustify )
+    {
+    case 'L':
+        m_HJustify = GR_TEXT_HJUSTIFY_LEFT;
+        break;
+
+    case 'C':
+        m_HJustify = GR_TEXT_HJUSTIFY_CENTER;
+        break;
+
+    case 'R':
+        m_HJustify = GR_TEXT_HJUSTIFY_RIGHT;
+        break;
+    }
+
+    switch( vjustify )
+    {
+    case 'T':
+        m_VJustify = GR_TEXT_VJUSTIFY_TOP;
+        break;
+
+    case 'C':
+        m_VJustify = GR_TEXT_VJUSTIFY_CENTER;
+        break;
+
+    case 'B':
+        m_VJustify = GR_TEXT_VJUSTIFY_BOTTOM;
+        break;
+    }
+
+
+    return true;
+}
+
+
+bool LIB_TEXT::HitTest( const wxPoint& aPosition ) const
+{
+    return HitTest( aPosition, 0, DefaultTransform );
+}
+
+
+bool LIB_TEXT::HitTest( const wxPoint &aPosition, int aThreshold, const TRANSFORM& aTransform ) const
+{
+    if( aThreshold < 0 )
+        aThreshold = 0;
+
+    EDA_TEXT tmp_text( *this );
+    tmp_text.SetTextPosition( aTransform.TransformCoordinate( m_Pos ) );
+
+    /* The text orientation may need to be flipped if the
+     *  transformation matrix causes xy axes to be flipped.
+     * this simple algo works only for schematic matrix (rot 90 or/and mirror)
+     */
+    int t1 = ( aTransform.x1 != 0 ) ^ ( m_Orient != 0 );
+    tmp_text.SetOrientation( t1 ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT );
+    return tmp_text.TextHitTest( aPosition );
+}
+
+
+EDA_ITEM* LIB_TEXT::Clone() const
+{
+    LIB_TEXT* newitem = new LIB_TEXT(NULL);
+
+    newitem->m_Pos       = m_Pos;
+    newitem->m_Orient    = m_Orient;
+    newitem->m_Size      = m_Size;
+    newitem->m_Attributs = m_Attributs;
+    newitem->m_Unit      = m_Unit;
+    newitem->m_Convert   = m_Convert;
+    newitem->m_Flags     = m_Flags;
+    newitem->m_Text      = m_Text;
+    newitem->m_Thickness = m_Thickness;
+    newitem->m_Italic    = m_Italic;
+    newitem->m_Bold      = m_Bold;
+    newitem->m_HJustify  = m_HJustify;
+    newitem->m_VJustify  = m_VJustify;
+    return newitem;
+}
+
+
+int LIB_TEXT::compare( const LIB_ITEM& other ) const
+{
+    wxASSERT( other.Type() == LIB_TEXT_T );
+
+    const LIB_TEXT* tmp = ( LIB_TEXT* ) &other;
+
+    int result = m_Text.CmpNoCase( tmp->m_Text );
+
+    if( result != 0 )
+        return result;
+
+    if( m_Pos.x != tmp->m_Pos.x )
+        return m_Pos.x - tmp->m_Pos.x;
+
+    if( m_Pos.y != tmp->m_Pos.y )
+        return m_Pos.y - tmp->m_Pos.y;
+
+    if( m_Size.x != tmp->m_Size.x )
+        return m_Size.x - tmp->m_Size.x;
+
+    if( m_Size.y != tmp->m_Size.y )
+        return m_Size.y - tmp->m_Size.y;
+
+    return 0;
+}
+
+
+void LIB_TEXT::SetOffset( const wxPoint& aOffset )
+{
+    m_Pos += aOffset;
+}
+
+
+bool LIB_TEXT::Inside( EDA_RECT& rect ) const
+{
+    /*
+     * FIXME: This should calculate the text size and justification and
+     *        use rectangle intersect.
+     */
+    return rect.Contains( m_Pos.x, -m_Pos.y );
+}
+
+
+void LIB_TEXT::Move( const wxPoint& newPosition )
+{
+    m_Pos = newPosition;
+}
+
+
+void LIB_TEXT::MirrorHorizontal( const wxPoint& center )
+{
+    m_Pos.x -= center.x;
+    m_Pos.x *= -1;
+    m_Pos.x += center.x;
+}
+
+void LIB_TEXT::MirrorVertical( const wxPoint& center )
+{
+    m_Pos.y -= center.y;
+    m_Pos.y *= -1;
+    m_Pos.y += center.y;
+}
+
+void LIB_TEXT::Rotate( const wxPoint& center, bool aRotateCCW )
+{
+    int rot_angle = aRotateCCW ? -900 : 900;
+
+    RotatePoint( &m_Pos, center, rot_angle );
+    m_Orient = m_Orient ? 0 : 900;
+}
+
+
+void LIB_TEXT::Plot( PLOTTER* plotter, const wxPoint& offset, bool fill,
+                     const TRANSFORM& aTransform )
+{
+    wxASSERT( plotter != NULL );
+
+    EDA_RECT bBox = GetBoundingBox();
+    // convert coordinates from draw Y axis to libedit Y axis
+    bBox.RevertYAxis();
+    wxPoint txtpos = bBox.Centre();
+
+    /* The text orientation may need to be flipped if the
+     * transformation matrix causes xy axes to be flipped. */
+    int t1  = ( aTransform.x1 != 0 ) ^ ( m_Orient != 0 );
+    wxPoint pos = aTransform.TransformCoordinate( txtpos ) + offset;
+
+    // Get color
+    EDA_COLOR_T     color;
+
+    if( plotter->GetColorMode() )       // Used normal color or selected color
+        color = IsSelected() ? GetItemSelectedColor() : GetDefaultColor();
+    else
+        color = BLACK;
+
+    plotter->Text( pos, color, GetShownText(),
+                   t1 ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT,
+                   m_Size, GR_TEXT_HJUSTIFY_CENTER, GR_TEXT_VJUSTIFY_CENTER,
+                   GetPenSize(), m_Italic, m_Bold );
+}
+
+
+int LIB_TEXT::GetPenSize() const
+{
+    int     pensize = m_Thickness;
+
+    if( pensize == 0 )   // Use default values for pen size
+    {
+        if( m_Bold  )
+            pensize = GetPenSizeForBold( m_Size.x );
+        else
+            pensize = GetDefaultLineThickness();
+    }
+
+    // Clip pen size for small texts:
+    pensize = Clamp_Text_PenSize( pensize, m_Size, m_Bold );
+    return pensize;
+}
+
+
+void LIB_TEXT::drawGraphic( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
+                            EDA_COLOR_T aColor, GR_DRAWMODE aDrawMode, void* aData,
+                            const TRANSFORM& aTransform )
+{
+    EDA_COLOR_T color = GetDefaultColor();
+
+    if( aColor < 0 )       // Used normal color or selected color
+    {
+        if( IsSelected() )
+            color = GetItemSelectedColor();
+    }
+    else
+    {
+        color = aColor;
+    }
+
+    GRSetDrawMode( aDC, aDrawMode );
+
+    /* Calculate the text orientation, according to the component
+     * orientation/mirror (needed when draw text in schematic)
+     */
+    int orient = m_Orient;
+
+    if( aTransform.y1 )  // Rotate component 90 degrees.
+    {
+        if( orient == TEXT_ORIENT_HORIZ )
+            orient = TEXT_ORIENT_VERT;
+        else
+            orient = TEXT_ORIENT_HORIZ;
+    }
+
+    /* Calculate the text justification, according to the component
+     * orientation/mirror this is a bit complicated due to cumulative
+     * calculations:
+     * - numerous cases (mirrored or not, rotation)
+     * - the DrawGraphicText function recalculate also H and H justifications
+     *      according to the text orientation.
+     * - When a component is mirrored, the text is not mirrored and
+     *   justifications are complicated to calculate
+     * so the more easily way is to use no justifications ( Centered text )
+     * and use GetBoundaryBox to know the text coordinate considered as centered
+    */
+    EDA_RECT bBox = GetBoundingBox();
+    // convert coordinates from draw Y axis to libedit Y axis:
+    bBox.RevertYAxis();
+    wxPoint txtpos = bBox.Centre();
+
+    // Calculate pos according to mirror/rotation.
+    txtpos = aTransform.TransformCoordinate( txtpos ) + aOffset;
+
+    EDA_RECT* clipbox = aPanel? aPanel->GetClipBox() : NULL;
+    DrawGraphicText( clipbox, aDC, txtpos, color, GetShownText(), orient, m_Size,
+                     GR_TEXT_HJUSTIFY_CENTER, GR_TEXT_VJUSTIFY_CENTER, GetPenSize(),
+                     m_Italic, m_Bold );
+
+
+    /* Enable this to draw the bounding box around the text field to validate
+     * the bounding box calculations.
+     */
+#if 0
+    // bBox already uses libedit Y axis.
+    bBox = aTransform.TransformCoordinate( bBox );
+    bBox.Move( aOffset );
+    GRRect( clipbox, aDC, bBox, 0, LIGHTMAGENTA );
+#endif
+}
+
+
+void LIB_TEXT::GetMsgPanelInfo( MSG_PANEL_ITEMS& aList )
+{
+    wxString msg;
+
+    LIB_ITEM::GetMsgPanelInfo( aList );
+
+    msg = StringFromValue( g_UserUnit, m_Thickness, true );
+
+    aList.push_back( MSG_PANEL_ITEM( _( "Line Width" ), msg, BLUE ) );
+}
+
+
+const EDA_RECT LIB_TEXT::GetBoundingBox() const
+{
+    /* Y coordinates for LIB_ITEMS are bottom to top, so we must invert the Y position when
+     * calling GetTextBox() that works using top to bottom Y axis orientation.
+     */
+    EDA_RECT rect = GetTextBox( -1, -1, true );
+    rect.RevertYAxis();
+
+    // We are using now a bottom to top Y axis.
+    wxPoint orig = rect.GetOrigin();
+    wxPoint end = rect.GetEnd();
+    RotatePoint( &orig, m_Pos, -m_Orient );
+    RotatePoint( &end, m_Pos, -m_Orient );
+
+    rect.SetOrigin( orig );
+    rect.SetEnd( end );
+
+    // We are using now a top to bottom Y axis:
+    rect.RevertYAxis();
+
+    return rect;
+}
+
+
+void LIB_TEXT::Rotate()
+{
+    if( InEditMode() )
+    {
+        m_rotate = true;
+    }
+    else
+    {
+        m_Orient = ( m_Orient == TEXT_ORIENT_VERT ) ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT;
+    }
+}
+
+
+void LIB_TEXT::SetText( const wxString& aText )
+{
+    if( aText == m_Text )
+        return;
+
+    if( InEditMode() )
+    {
+        m_savedText = aText;
+        m_updateText = true;
+    }
+    else
+    {
+        m_Text = aText;
+    }
+}
+
+
+wxString LIB_TEXT::GetSelectMenuText() const
+{
+    wxString msg;
+    msg.Printf( _( "Graphic Text %s" ), GetChars( ShortenedShownText() ) );
+    return msg;
+}
+
+
+void LIB_TEXT::BeginEdit( STATUS_FLAGS aEditMode, const wxPoint aPosition )
+{
+    wxCHECK_RET( ( aEditMode & ( IS_NEW | IS_MOVED ) ) != 0,
+                 wxT( "Invalid edit mode for LIB_TEXT object." ) );
+
+    if( aEditMode == IS_MOVED )
+    {
+        m_initialPos = m_Pos;
+        m_initialCursorPos = aPosition;
+        SetEraseLastDrawItem();
+    }
+    else
+    {
+        m_Pos = aPosition;
+    }
+
+    m_Flags = aEditMode;
+}
+
+
+bool LIB_TEXT::ContinueEdit( const wxPoint aPosition )
+{
+    wxCHECK_MSG( ( m_Flags & ( IS_NEW | IS_MOVED ) ) != 0, false,
+                   wxT( "Bad call to ContinueEdit().  Text is not being edited." ) );
+
+    return false;
+}
+
+
+void LIB_TEXT::EndEdit( const wxPoint& aPosition, bool aAbort )
+{
+    wxCHECK_RET( ( m_Flags & ( IS_NEW | IS_MOVED ) ) != 0,
+                   wxT( "Bad call to EndEdit().  Text is not being edited." ) );
+
+    m_Flags = 0;
+    m_rotate = false;
+    m_updateText = false;
+    SetEraseLastDrawItem( false );
+}
+
+
+void LIB_TEXT::calcEdit( const wxPoint& aPosition )
+{
+    if( m_rotate )
+    {
+        m_Orient = ( m_Orient == TEXT_ORIENT_VERT ) ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT;
+        m_rotate = false;
+    }
+
+    if( m_updateText )
+    {
+        std::swap( m_Text, m_savedText );
+        m_updateText = false;
+    }
+
+    if( m_Flags == IS_NEW )
+    {
+        SetEraseLastDrawItem();
+        m_Pos = aPosition;
+    }
+    else if( m_Flags == IS_MOVED )
+    {
+        Move( m_initialPos + aPosition - m_initialCursorPos );
+    }
+}