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Diffstat (limited to 'Stars45/ScrollWindow.h')
| -rw-r--r-- | Stars45/ScrollWindow.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Stars45/ScrollWindow.h b/Stars45/ScrollWindow.h new file mode 100644 index 0000000..a2259c8 --- /dev/null +++ b/Stars45/ScrollWindow.h @@ -0,0 +1,156 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: nGenEx.lib + FILE: ScrollWindow.h + 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 + |