ADDED: support naked hyperlinks in tablecells and textboxes.

Also fix flickering due to IS_ROLLOVER flag getting
nuked.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/18832

common/string_utils.cpp

@@ -646,8 +646,8 @@ wxString RemoveHTMLTags( const wxString& aInput )
 
 wxString LinkifyHTML( wxString aStr )
 {
-    wxRegEx regex( wxS( "\\b(https?|ftp|file)://([-\\w+&@#/%?=~|!:,.;]*[^.,:;<>\\s\u00b6])" ),
-                   wxRE_ICASE );
+    static wxRegEx regex( wxS( "\\b(https?|ftp|file)://([-\\w+&@#/%?=~|!:,.;]*[^.,:;<>\\s\u00b6])" ),
+                          wxRE_ICASE );
 
     regex.ReplaceAll( &aStr, "<a href=\"\\0\">\\0</a>" );
 
@@ -655,6 +655,17 @@ wxString LinkifyHTML( wxString aStr )
 }
 
 
+bool IsURL( wxString aStr )
+{
+    static wxRegEx regex( wxS( "(https?|ftp|file)://([-\\w+&@#/%?=~|!:,.;]*[^.,:;<>\\s\u00b6])" ),
+                          wxRE_ICASE );
+
+    regex.ReplaceAll( &aStr, "<a href=\"\\0\">\\0</a>" );
+
+    return regex.Matches( aStr );
+}
+
+
 bool NoPrintableChars( const wxString& aString )
 {
     wxString tmp = aString;

eeschema/sch_painter.cpp

@@ -1757,7 +1757,7 @@ void SCH_PAINTER::draw( const SCH_TEXT* aText, int aLayer, bool aDimmed )
     }
     else
     {
-        if( aText->IsHypertext() && aText->IsRollover() )
+        if( aText->IsHypertext() && aText->IsRollover() && !aText->IsMoving() )
         {
             m_gal->SetStrokeColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
             m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
@@ -1876,7 +1876,7 @@ void SCH_PAINTER::draw( const SCH_TEXTBOX* aTextBox, int aLayer, bool aDimmed )
                 attrs.m_Angle = aTextBox->GetDrawRotation();
                 attrs.m_StrokeWidth = KiROUND( getTextThickness( aTextBox ) );
 
-                if( aTextBox->IsHypertext() && aTextBox->IsRollover() )
+                if( aTextBox->IsHypertext() && aTextBox->IsRollover() && !aTextBox->IsMoving() )
                 {
                     m_gal->SetStrokeColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
                     m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
@@ -2390,7 +2390,7 @@ void SCH_PAINTER::draw( const SCH_FIELD* aField, int aLayer, bool aDimmed )
         if( drawingShadows )
             attributes.m_StrokeWidth += getShadowWidth( !aField->IsSelected() );
 
-        if( aField->IsHypertext() && aField->IsRollover() )
+        if( aField->IsHypertext() && aField->IsRollover() && !aField->IsMoving() )
         {
             m_gal->SetStrokeColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
             m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );

eeschema/sch_textbox.cpp

@@ -407,13 +407,26 @@ bool SCH_TEXTBOX::HitTest( const BOX2I& aRect, bool aContained, int aAccuracy )
 }
 
 
+bool SCH_TEXTBOX::IsHypertext() const
+{
+    if( HasHyperlink() )
+        return true;
+
+    return IsURL( GetShownText( false ) );
+}
+
+
 void SCH_TEXTBOX::DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const
 {
     wxCHECK_MSG( IsHypertext(), /* void */,
                  wxT( "Calling a hypertext menu on a SCH_TEXTBOX with no hyperlink?" ) );
 
     SCH_NAVIGATE_TOOL* navTool = aFrame->GetToolManager()->GetTool<SCH_NAVIGATE_TOOL>();
-    navTool->HypertextCommand( m_hyperlink );
+
+    if( HasHyperlink() )
+        navTool->HypertextCommand( m_hyperlink );
+    else
+        navTool->HypertextCommand( GetShownText( false ) );
 }
 
 

eeschema/sch_textbox.h

@@ -83,11 +83,7 @@ public:
         return GetShownText( sheetPath, aAllowExtraText, aDepth );
     }
 
-    bool IsHypertext() const override
-    {
-        return HasHyperlink();
-    }
-
+    bool IsHypertext() const override;
     void DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const override;
 
     void SetExcludedFromSim( bool aExclude ) override { m_excludedFromSim = aExclude; }

eeschema/tools/ee_selection_tool.cpp

@@ -1000,14 +1000,15 @@ int EE_SELECTION_TOOL::Main( const TOOL_EVENT& aEvent )
             evt->SetPassEvent();
         }
 
-        if( rolloverItem != lastRolloverItem )
+        if( lastRolloverItem != niluuid && lastRolloverItem != rolloverItem )
         {
-            if( EDA_ITEM* item = m_frame->GetItem( lastRolloverItem ) )
+            EDA_ITEM* item = m_frame->GetItem( lastRolloverItem );
+
+            if( item->IsRollover() )
             {
-                item->ClearFlags( IS_ROLLOVER );
-                lastRolloverItem = niluuid;
+                item->SetIsRollover( false );
 
-                if( item->Type() == SCH_FIELD_T )
+                if( item->Type() == SCH_FIELD_T || item->Type() == SCH_TABLECELL_T )
                     m_frame->GetCanvas()->GetView()->Update( item->GetParent() );
                 else
                     m_frame->GetCanvas()->GetView()->Update( item );
@@ -1018,18 +1019,19 @@ int EE_SELECTION_TOOL::Main( const TOOL_EVENT& aEvent )
         {
             EDA_ITEM* item = m_frame->GetItem( rolloverItem );
 
-            if( item && !( item->GetFlags() & IS_ROLLOVER ) )
+            if( !item->IsRollover() )
             {
-                item->SetFlags( IS_ROLLOVER );
-                lastRolloverItem = rolloverItem;
+                item->SetIsRollover( true );
 
-                if( item->Type() == SCH_FIELD_T )
+                if( item->Type() == SCH_FIELD_T || item->Type() == SCH_TABLECELL_T )
                     m_frame->GetCanvas()->GetView()->Update( item->GetParent() );
                 else
                     m_frame->GetCanvas()->GetView()->Update( item );
             }
         }
 
+        lastRolloverItem = rolloverItem;
+
         if( m_frame->ToolStackIsEmpty() )
         {
             if( displayWireCursor )

include/eda_item.h

@@ -111,10 +111,8 @@ public:
     inline bool IsEntered() const { return m_flags & ENTERED; }
     inline bool IsBrightened() const { return m_flags & BRIGHTENED; }
 
-    inline bool IsRollover() const
-    {
-        return ( m_flags & ( IS_ROLLOVER | IS_MOVING ) ) == IS_ROLLOVER;
-    }
+    inline bool IsRollover() const { return m_isRollover; }
+    inline void SetIsRollover( bool aIsRollover ) { m_isRollover = aIsRollover; }
 
     inline void SetSelected() { SetFlags( SELECTED ); }
     inline void SetBrightened() { SetFlags( BRIGHTENED ); }
@@ -501,6 +499,7 @@ protected:
     EDA_ITEM_FLAGS m_flags;
     EDA_ITEM*      m_parent; ///< Linked list: Link (parent struct).
     bool           m_forceVisible;
+    bool           m_isRollover;
 };
 
 

include/eda_item_flags.h

@@ -63,8 +63,7 @@
 // 23 is unused
 
 #define HOLE_PROXY     (1 << 24)   ///< Indicates the BOARD_ITEM is a proxy for its hole
-#define IS_ROLLOVER    (1 << 25)   ///< Rollover active.  Used for hyperlink highlighting.
-#define SHOW_ELEC_TYPE (1 << 25)   ///< Show pin electrical type.  Shared with IS_ROLLOVER.
+#define SHOW_ELEC_TYPE (1 << 25)   ///< Show pin electrical type
 #define BRIGHTENED     (1 << 26)   ///< item is drawn with a bright contour
 
 // 27 is unused

include/string_utils.h

@@ -142,6 +142,11 @@ KICOMMON_API wxString RemoveHTMLTags( const wxString& aInput );
  */
 KICOMMON_API wxString LinkifyHTML( wxString aStr );
 
+/**
+ * Performs a URL sniff-test on a string.
+ */
+KICOMMON_API bool IsURL( wxString aStr );
+
 /**
  * Read one line line from \a aFile.
  *