Moved Stars45 to StarsEx

1 files changed, 131 insertions, 0 deletions

diff --git a/StarsEx/ScrollWindow.h b/StarsEx/ScrollWindow.h
new file mode 100644
index 0000000..910b117
--- /dev/null
+++ b/StarsEx/ScrollWindow.h
@@ -0,0 +1,131 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    ScrollWindow base class for List, Edit, and Rich Text controls
+*/
+
+#ifndef ScrollWindow_h
+#define ScrollWindow_h
+
+#include "Types.h"
+#include "ActiveWindow.h"
+#include "List.h"
+
+// +--------------------------------------------------------------------+
+
+class ScrollWindow : public ActiveWindow
+{
+public:
+    enum POLICY {  SCROLL_NEVER,
+        SCROLL_AUTO,
+        SCROLL_ALWAYS
+    };
+
+    enum SCROLL {  SCROLL_NONE,
+        SCROLL_UP,
+        SCROLL_PAGE_UP,
+        SCROLL_DOWN,
+        SCROLL_PAGE_DOWN,
+        SCROLL_THUMB
+    };
+
+    enum MISC   {  BORDER_WIDTH  = 2,
+        EXTRA_WIDTH   = 4,
+        SCROLL_WIDTH  = 16,
+        SCROLL_HEIGHT = 6,
+        SCROLL_TRACK  = SCROLL_WIDTH + 1,
+        TRACK_START   = BORDER_WIDTH + SCROLL_HEIGHT,
+        THUMB_HEIGHT  = SCROLL_WIDTH,
+        HEADING_EXTRA = BORDER_WIDTH + EXTRA_WIDTH
+    };
+
+    ScrollWindow(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid, DWORD style=0, ActiveWindow* parent=0);
+    ScrollWindow(Screen* s,       int ax, int ay, int aw, int ah, DWORD aid, DWORD style=0, ActiveWindow* parent=0);
+    virtual ~ScrollWindow();
+
+    // Operations:
+    virtual void   Paint();
+    virtual void   Draw();
+    virtual void   DrawTransparent();
+    virtual void   DrawContent(const Rect& ctrl_rect);
+    virtual void   DrawTransparentContent(const Rect& ctrl_rect);
+    virtual void   DrawScrollBar();
+    virtual void   MoveTo(const Rect& r);
+
+    // Event Target Interface:
+    virtual int    OnMouseMove(int x, int y);
+    virtual int    OnLButtonDown(int x, int y);
+    virtual int    OnLButtonUp(int x, int y);
+    virtual int    OnMouseWheel(int wheel);
+    virtual int    OnClick();
+
+    virtual int    OnKeyDown(int vk, int flags);
+
+    // pseudo-events:
+    virtual int    OnDragStart(int x, int y);
+    virtual int    OnDragDrop(int x, int y, ActiveWindow* source);
+
+    // Property accessors:
+    virtual int    GetLineHeight();
+    virtual void   SetLineHeight(int h);
+
+    virtual int    GetLeading();
+    virtual void   SetLeading(int nNewValue);
+    virtual int    GetScrollBarVisible();
+    virtual void   SetScrollBarVisible(int nNewValue);
+    virtual int    GetDragDrop();
+    virtual void   SetDragDrop(int nNewValue);
+    virtual bool   GetSmoothScroll();
+    virtual void   SetSmoothScroll(bool s);
+
+    virtual bool   IsScrollVisible();
+    virtual bool   CanScroll(int direction, int nlines=1);
+    virtual void   EnsureVisible(int index);
+    virtual void   Scroll(int direction, int nlines=1);
+    virtual void   SmoothScroll(int direction, double nlines);
+    virtual void   ScrollTo(int index);
+
+    // read-only:
+    virtual int    GetTopIndex();
+    virtual int    GetLineCount();
+    virtual int    GetPageCount();
+    virtual int    GetPageSize();
+    virtual int    GetScrollTrack();
+
+    int            IsDragging()   const { return dragging;   }
+    int            IsSelecting()  const { return selecting;  }
+    int            IsScrolling()  const { return scrolling;  }
+
+protected:
+    int            captured;
+    int            dragging;
+    int            selecting;
+    int            scrolling;
+    int            scroll_count;
+    int            mouse_x;
+    int            mouse_y;
+    int            track_length;
+    int            thumb_pos;
+
+    int            leading;
+    int            scroll_bar;
+    int            dragdrop;
+    int            line_count;
+    int            page_count;
+    int            page_size;
+    int            top_index;
+    int            line_height;
+
+    bool           smooth_scroll;
+    double         smooth_offset;
+};
+
+#endif  // ScrollWindow_h
+