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Changed two connector methods to virtual

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For reference, see fltk.general thread started Mar 26 2025, entitled:
    "Make some Fl_Tree_Item methods virtual?"
This commit is contained in:
Greg Ercolano 2025-03-28 12:54:16 -07:00
parent 1f715f8766
commit 9e1e043af3
2 changed files with 6 additions and 4 deletions
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4
FL/Fl_Tree_Item.H
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@ -93,8 +93,8 @@ protected:
void _Init(const Fl_Tree_Prefs &prefs, Fl_Tree *tree); void _Init(const Fl_Tree_Prefs &prefs, Fl_Tree *tree);
void show_widgets(); void show_widgets();
void hide_widgets(); void hide_widgets();
void draw_vertical_connector(int x, int y1, int y2, const Fl_Tree_Prefs &prefs); virtual void draw_vertical_connector(int x, int y1, int y2, const Fl_Tree_Prefs &prefs);
void draw_horizontal_connector(int x1, int x2, int y, const Fl_Tree_Prefs &prefs); virtual void draw_horizontal_connector(int x1, int x2, int y, const Fl_Tree_Prefs &prefs);
void recalc_tree(); void recalc_tree();
int calc_item_height(const Fl_Tree_Prefs &prefs) const; int calc_item_height(const Fl_Tree_Prefs &prefs) const;
Fl_Color drawfgcolor() const; Fl_Color drawfgcolor() const;

6
src/Fl_Tree_Item.cxx
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@ -705,7 +705,8 @@ int Fl_Tree_Item::swap_children(Fl_Tree_Item *a, Fl_Tree_Item *b) {
return(0); return(0);
} }
/// Internal: Horizontal connector line based on preference settings. /// Horizontal connector line based on preference settings.
/// This method can be overridden to implement custom connection line drawing.
/// \param[in] x1 The left hand X position of the horizontal connector /// \param[in] x1 The left hand X position of the horizontal connector
/// \param[in] x2 The right hand X position of the horizontal connector /// \param[in] x2 The right hand X position of the horizontal connector
/// \param[in] y The vertical position of the horizontal connector /// \param[in] y The vertical position of the horizontal connector
@ -730,7 +731,8 @@ void Fl_Tree_Item::draw_horizontal_connector(int x1, int x2, int y, const Fl_Tre
} }
} }
/// Internal: Vertical connector line based on preference settings. /// Vertical connector line based on preference settings.
/// This method can be overridden to implement custom connection line drawing.
/// \param[in] x The x position of the vertical connector /// \param[in] x The x position of the vertical connector
/// \param[in] y1 The top of the vertical connector /// \param[in] y1 The top of the vertical connector
/// \param[in] y2 The bottom of the vertical connector /// \param[in] y2 The bottom of the vertical connector