Add a VSlider to multiline Entries

[libs/gltk.git] / source / entry.h

diff --git a/source/entry.h b/source/entry.h
index 0ff5466a613e11bcd545002b4409727b253ef9ef..a8bbcd5d49f865c77ac0e276271684b62bb62590 100644 (file)
--- a/source/entry.h
+++ b/source/entry.h
@@ -8,12 +8,15 @@ Distributed under the LGPL
 #ifndef MSP_GLTK_ENTRY_H_
 #define MSP_GLTK_ENTRY_H_
 
+#include "container.h"
 #include "text.h"
 #include "widget.h"
 
 namespace Msp {
 namespace GLtk {
 
+class VSlider;
+
 /**
 Text entry field.
 
@@ -21,8 +24,9 @@ Special parts:
 
   text    The current text of the widget.  Graphics are ignored.
   cursor  Indicates the current input position.  Fill_x is ignored.
+  slider  A vertical slider for multiline entries.
 */
-class Entry: public Widget
+class Entry: virtual public Widget, private Container
 {
 public:
        class Loader: public Widget::Loader
@@ -35,6 +39,10 @@ private:
        Text text;
        bool multiline;
        unsigned edit_pos;
+       unsigned first_row;
+       unsigned visible_rows;
+       const Part *text_part;
+       VSlider *slider;
 
 public:
        sigc::signal<void> signal_enter;
@@ -51,7 +59,11 @@ private:
        virtual const char *get_class() const { return "entry"; }
        virtual void render_special(const Part &) const;
 
+       virtual void on_geometry_change();
        virtual void on_style_change();
+       void reposition_slider();
+       void slider_value_changed(double);
+       void check_view_range();
 };
 
 } // namespace GLtk