EESchema code simplification improvements.

* Factor component unit select handling out of huge switch statement into
  a separate function.

eeschema/eeschema_id.h

@@ -85,6 +85,23 @@ enum id_eeschema_frm
     ID_POPUP_SCH_EDIT_REF_CMP,
     ID_POPUP_SCH_EDIT_FOOTPRINT_CMP,
     ID_POPUP_SCH_EDIT_CONVERT_CMP,
+    ID_POPUP_SCH_ROTATE_FIELD,
+    ID_POPUP_SCH_EDIT_FIELD,
+    ID_POPUP_SCH_CHANGE_TYPE_TEXT,
+    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_LABEL,
+    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_GLABEL,
+    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_COMMENT,
+    ID_POPUP_SCH_DISPLAYDOC_CMP,
+    ID_POPUP_SCH_ENTER_SHEET,
+    ID_POPUP_SCH_LEAVE_SHEET,
+    ID_POPUP_SCH_ADD_JUNCTION,
+    ID_POPUP_SCH_ADD_LABEL,
+    ID_POPUP_SCH_ADD_GLABEL,
+    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_HLABEL,
+    ID_POPUP_SCH_GETINFO_MARKER,
+    ID_POPUP_END_RANGE,
+
+    // Unit select context menus command IDs.
     ID_POPUP_SCH_SELECT_UNIT_CMP,
     ID_POPUP_SCH_SELECT_UNIT1,
     ID_POPUP_SCH_SELECT_UNIT2,
@@ -112,21 +129,6 @@ enum id_eeschema_frm
     ID_POPUP_SCH_SELECT_UNIT24,
     ID_POPUP_SCH_SELECT_UNIT25,
     ID_POPUP_SCH_SELECT_UNIT26,
-    ID_POPUP_SCH_ROTATE_FIELD,
-    ID_POPUP_SCH_EDIT_FIELD,
-    ID_POPUP_SCH_CHANGE_TYPE_TEXT,
-    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_LABEL,
-    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_GLABEL,
-    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_COMMENT,
-    ID_POPUP_SCH_DISPLAYDOC_CMP,
-    ID_POPUP_SCH_ENTER_SHEET,
-    ID_POPUP_SCH_LEAVE_SHEET,
-    ID_POPUP_SCH_ADD_JUNCTION,
-    ID_POPUP_SCH_ADD_LABEL,
-    ID_POPUP_SCH_ADD_GLABEL,
-    ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_HLABEL,
-    ID_POPUP_SCH_GETINFO_MARKER,
-    ID_POPUP_END_RANGE,
 
     // Schematic editor commmands.  These are command IDs that are generated by multiple
     // events (menus, toolbar, context menu, etc.) that result in the same event handler.

eeschema/getpart.cpp

@@ -10,12 +10,14 @@
 #include "confirm.h"
 #include "class_sch_screen.h"
 #include "wxEeschemaStruct.h"
+#include "kicad_device_context.h"
 
 #include "general.h"
 #include "protos.h"
 #include "class_library.h"
 #include "sch_component.h"
 #include "viewlib_frame.h"
+#include "eeschema_id.h"
 
 #include "dialog_get_component.h"
 
@@ -307,55 +309,77 @@ static void ExitPlaceCmp( EDA_DRAW_PANEL* Panel, wxDC* DC )
 /*
  * Handle select part in multi-part component.
  */
-void SCH_EDIT_FRAME::SelPartUnit( SCH_COMPONENT* DrawComponent, int unit, wxDC* DC )
+void SCH_EDIT_FRAME::OnSelectUnit( wxCommandEvent& aEvent )
 {
-    int m_UnitCount;
-    LIB_COMPONENT* LibEntry;
+    SCH_SCREEN* screen = GetScreen();
 
-    if( DrawComponent == NULL )
+    if( screen->GetCurItem() == NULL )
         return;
 
-    LibEntry = CMP_LIBRARY::FindLibraryComponent( DrawComponent->GetLibName() );
+    INSTALL_UNBUFFERED_DC( dc, DrawPanel );
 
-    if( LibEntry == NULL )
-        return;
+    // Verify the selected item is a component, it may be part of a component such as a field
+    // or text item.
+    if( screen->GetCurItem()->Type() != SCH_COMPONENT_T )
+    {
+        screen->SetCurItem( LocateSmallestComponent( screen ) );
+
+        if( screen->GetCurItem() == NULL )
+            return;
+    }
+
+    DrawPanel->MoveCursorToCrossHair();
+
+    SCH_COMPONENT* component = (SCH_COMPONENT*) screen->GetCurItem();
+
+    wxCHECK_RET( (component != NULL) && (component->Type() == SCH_COMPONENT_T),
+                 wxT( "Cannot select unit for invalid component." ) );
 
-    m_UnitCount = LibEntry->GetPartCount();
+    int unit = aEvent.GetId() + 1 - ID_POPUP_SCH_SELECT_UNIT1;
 
-    if( m_UnitCount <= 1 )
+    LIB_COMPONENT* libEntry = CMP_LIBRARY::FindLibraryComponent( component->GetLibName() );
+
+    if( libEntry == NULL )
         return;
 
-    if( DrawComponent->GetUnit() == unit )
+    wxCHECK_RET( (unit >= 1) && (unit <= libEntry->GetPartCount()),
+                 wxString::Format( wxT( "Cannot select unit %d from component "), unit ) +
+                 libEntry->GetName() );
+
+    int unitCount = libEntry->GetPartCount();
+
+    if( (unitCount <= 1) || (component->GetUnit() == unit) )
         return;
 
     if( unit < 1 )
         unit = 1;
 
-    if( unit > m_UnitCount )
-        unit = m_UnitCount;
+    if( unit > unitCount )
+        unit = unitCount;
 
-    int curr_flg = DrawComponent->m_Flags;
-    if( ! curr_flg )    // No command in progress: save in undo list
-        SaveCopyInUndoList( DrawComponent, UR_CHANGED );
+    int flags = component->GetFlags();
 
-    if( curr_flg )
-        DrawComponent->Draw( DrawPanel, DC, wxPoint( 0, 0 ), g_XorMode, g_GhostColor );
+    if( !flags )    // No command in progress: save in undo list
+        SaveCopyInUndoList( component, UR_CHANGED );
+
+    if( flags )
+        component->Draw( DrawPanel, &dc, wxPoint( 0, 0 ), g_XorMode, g_GhostColor );
     else
-        DrawComponent->Draw( DrawPanel, DC, wxPoint( 0, 0 ), g_XorMode );
+        component->Draw( DrawPanel, &dc, wxPoint( 0, 0 ), g_XorMode );
 
     /* Update the unit number. */
-    DrawComponent->SetUnitSelection( GetSheet(), unit );
-    DrawComponent->SetUnit( unit );
-    DrawComponent->m_Flags = curr_flg;  // Restore m_Flag modified by SetUnit();
+    component->SetUnitSelection( GetSheet(), unit );
+    component->SetUnit( unit );
+    component->SetFlags( flags );  // Restore m_Flag modified by SetUnit();
 
     /* Redraw the component in the new position. */
-    if( DrawComponent->m_Flags )
-        DrawComponent->Draw( DrawPanel, DC, wxPoint( 0, 0 ), g_XorMode, g_GhostColor );
+    if( flags )
+        component->Draw( DrawPanel, &dc, wxPoint( 0, 0 ), g_XorMode, g_GhostColor );
     else
-        DrawComponent->Draw( DrawPanel, DC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
+        component->Draw( DrawPanel, &dc, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
 
-    GetScreen()->TestDanglingEnds( DrawPanel, DC );
-    OnModify( );
+    GetScreen()->TestDanglingEnds( DrawPanel, &dc );
+    OnModify();
 }
 
 

eeschema/schedit.cpp

@@ -71,33 +71,6 @@ void SCH_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
     case ID_POPUP_SCH_EDIT_REF_CMP:
     case ID_POPUP_SCH_EDIT_FOOTPRINT_CMP:
     case ID_POPUP_SCH_EDIT_CONVERT_CMP:
-    case ID_POPUP_SCH_SELECT_UNIT_CMP:
-    case ID_POPUP_SCH_SELECT_UNIT1:
-    case ID_POPUP_SCH_SELECT_UNIT2:
-    case ID_POPUP_SCH_SELECT_UNIT3:
-    case ID_POPUP_SCH_SELECT_UNIT4:
-    case ID_POPUP_SCH_SELECT_UNIT5:
-    case ID_POPUP_SCH_SELECT_UNIT6:
-    case ID_POPUP_SCH_SELECT_UNIT7:
-    case ID_POPUP_SCH_SELECT_UNIT8:
-    case ID_POPUP_SCH_SELECT_UNIT9:
-    case ID_POPUP_SCH_SELECT_UNIT10:
-    case ID_POPUP_SCH_SELECT_UNIT11:
-    case ID_POPUP_SCH_SELECT_UNIT12:
-    case ID_POPUP_SCH_SELECT_UNIT13:
-    case ID_POPUP_SCH_SELECT_UNIT14:
-    case ID_POPUP_SCH_SELECT_UNIT15:
-    case ID_POPUP_SCH_SELECT_UNIT16:
-    case ID_POPUP_SCH_SELECT_UNIT17:
-    case ID_POPUP_SCH_SELECT_UNIT18:
-    case ID_POPUP_SCH_SELECT_UNIT19:
-    case ID_POPUP_SCH_SELECT_UNIT20:
-    case ID_POPUP_SCH_SELECT_UNIT21:
-    case ID_POPUP_SCH_SELECT_UNIT22:
-    case ID_POPUP_SCH_SELECT_UNIT23:
-    case ID_POPUP_SCH_SELECT_UNIT24:
-    case ID_POPUP_SCH_SELECT_UNIT25:
-    case ID_POPUP_SCH_SELECT_UNIT26:
     case ID_POPUP_SCH_ROTATE_FIELD:
     case ID_POPUP_SCH_EDIT_FIELD:
     case ID_POPUP_DELETE_BLOCK:
@@ -362,8 +335,8 @@ void SCH_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
 
     case ID_POPUP_SCH_DRAG_WIRE_REQUEST:
         DrawPanel->MoveCursorToCrossHair();
-        // The easiest way to handle a drag component is to simulate a
-        // block drag command
+
+        // The easiest way to handle a drag component is to simulate a block drag command
         if( screen->m_BlockLocate.m_State == STATE_NO_BLOCK )
         {
             if( !HandleBlockBegin( &dc, BLOCK_DRAG, screen->GetCrossHairPosition() ) )
@@ -494,46 +467,6 @@ void SCH_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
         ConvertPart( (SCH_COMPONENT*) screen->GetCurItem(), &dc );
         break;
 
-    case ID_POPUP_SCH_SELECT_UNIT1:
-    case ID_POPUP_SCH_SELECT_UNIT2:
-    case ID_POPUP_SCH_SELECT_UNIT3:
-    case ID_POPUP_SCH_SELECT_UNIT4:
-    case ID_POPUP_SCH_SELECT_UNIT5:
-    case ID_POPUP_SCH_SELECT_UNIT6:
-    case ID_POPUP_SCH_SELECT_UNIT7:
-    case ID_POPUP_SCH_SELECT_UNIT8:
-    case ID_POPUP_SCH_SELECT_UNIT9:
-    case ID_POPUP_SCH_SELECT_UNIT10:
-    case ID_POPUP_SCH_SELECT_UNIT11:
-    case ID_POPUP_SCH_SELECT_UNIT12:
-    case ID_POPUP_SCH_SELECT_UNIT13:
-    case ID_POPUP_SCH_SELECT_UNIT14:
-    case ID_POPUP_SCH_SELECT_UNIT15:
-    case ID_POPUP_SCH_SELECT_UNIT16:
-    case ID_POPUP_SCH_SELECT_UNIT17:
-    case ID_POPUP_SCH_SELECT_UNIT18:
-    case ID_POPUP_SCH_SELECT_UNIT19:
-    case ID_POPUP_SCH_SELECT_UNIT20:
-    case ID_POPUP_SCH_SELECT_UNIT21:
-    case ID_POPUP_SCH_SELECT_UNIT22:
-    case ID_POPUP_SCH_SELECT_UNIT23:
-    case ID_POPUP_SCH_SELECT_UNIT24:
-    case ID_POPUP_SCH_SELECT_UNIT25:
-    case ID_POPUP_SCH_SELECT_UNIT26:
-
-        // Ensure the struct is a component (could be a struct of a
-        // component, like Field, text..)
-        if( screen->GetCurItem()->Type() != SCH_COMPONENT_T )
-            screen->SetCurItem( LocateSmallestComponent( screen ) );
-
-        if( screen->GetCurItem() == NULL )
-            break;
-
-        DrawPanel->MoveCursorToCrossHair();
-        SelPartUnit( (SCH_COMPONENT*) screen->GetCurItem(),
-                     id + 1 - ID_POPUP_SCH_SELECT_UNIT1, &dc );
-        break;
-
     case ID_POPUP_SCH_DISPLAYDOC_CMP:
 
         // Ensure the struct is a component (could be a piece of a
@@ -541,8 +474,7 @@ void SCH_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
         if( screen->GetCurItem()->Type() != SCH_COMPONENT_T )
             screen->SetCurItem( LocateSmallestComponent( screen ) );
 
-        if( screen->GetCurItem() == NULL )
-            break;
+        if( screen->GetCurItem() )
         {
             LIB_ALIAS* LibEntry;
             LibEntry = CMP_LIBRARY::FindLibraryEntry(

eeschema/schframe.cpp

@@ -119,6 +119,9 @@ BEGIN_EVENT_TABLE( SCH_EDIT_FRAME, EDA_DRAW_FRAME )
     EVT_MENU_RANGE( ID_POPUP_GENERAL_START_RANGE, ID_POPUP_GENERAL_END_RANGE,
                     SCH_EDIT_FRAME::Process_Special_Functions )
 
+    EVT_MENU_RANGE( ID_POPUP_SCH_SELECT_UNIT1, ID_POPUP_SCH_SELECT_UNIT26,
+                    SCH_EDIT_FRAME::OnSelectUnit )
+
     /* Handle user interface update events. */
     EVT_UPDATE_UI( wxID_CUT, SCH_EDIT_FRAME::OnUpdateBlockSelected )
     EVT_UPDATE_UI( wxID_COPY, SCH_EDIT_FRAME::OnUpdateBlockSelected )

include/wxEeschemaStruct.h

@@ -520,8 +520,7 @@ public:
                                       wxDC* DC, int type_rotate );
 
 private:
-    void           SelPartUnit( SCH_COMPONENT* DrawComponent,
-                                int unit, wxDC* DC );
+    void           OnSelectUnit( wxCommandEvent& aEvent );
     void           ConvertPart( SCH_COMPONENT* DrawComponent, wxDC* DC );
     void           SetInitCmp( SCH_COMPONENT* DrawComponent, wxDC* DC );
     void           EditComponentReference( SCH_COMPONENT* DrawLibItem,