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| author | Matthias Melcher <github@matthiasm.com> | 2023-02-10 17:13:20 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-02-10 17:13:20 +0100 |
| commit | 7f87c847ba8ec976c6ad345942f9867658a89ab2 (patch) | |
| tree | 00717f3197ea9d2d76c45207dd4f468b2ee201cb /FL/Fl_Input_.H | |
| parent | 72f860438170638d6aa492b477a59ff88b565d9d (diff) | |
Unlimited undo/redo for Fl_Input_ and Fl_Text_Buffer (#558) (#676)
Diffstat (limited to 'FL/Fl_Input_.H')
| -rw-r--r-- | FL/Fl_Input_.H | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/FL/Fl_Input_.H b/FL/Fl_Input_.H index d89a341bc..a7062f5a0 100644 --- a/FL/Fl_Input_.H +++ b/FL/Fl_Input_.H @@ -39,6 +39,7 @@ #define FL_MULTILINE_OUTPUT_WRAP (FL_MULTILINE_INPUT | FL_INPUT_READONLY | FL_INPUT_WRAP) class Fl_Input_Undo_Action; +class Fl_Input_Undo_Action_List; /** This class provides a low-overhead text input field. @@ -148,6 +149,8 @@ class FL_EXPORT Fl_Input_ : public Fl_Widget { /** \internal local undo event */ Fl_Input_Undo_Action* undo_; + Fl_Input_Undo_Action_List* undo_list_; + Fl_Input_Undo_Action_List* redo_list_; /** \internal Horizontal cursor position in pixels while moving up or down. */ static double up_down_pos; @@ -212,6 +215,9 @@ protected: /* Return the number of lines displayed on a single page. */ int linesPerPage(); + /* Apply the current undo/redo operation, called from undo() or redo() */ + int apply_undo(); + public: /* Change the size of the widget. */ @@ -378,6 +384,9 @@ public: /* Undo previous changes to the text buffer. */ int undo(); + /* Redo previous undo operations. */ + int redo(); + /* Copy the yank buffer to the clipboard. */ int copy_cuts(); |