Shapes/FrameBrowser.h

   1 /*
   2  * This file is part of ShapeFusion (Copyright 2000 Tito Dal Canton)
   3  *
   4  * ShapeFusion is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * ShapeFusion is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with ShapeFusion; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17 */
  18
  19 //
  20 // FrameBrowser
  21 // A widget for displaying a list of ShapesFrame's as a scrollable list
  22 // of selectable thumbnails. Each thumbnail displays the frame's
  23 // associated bitmap, altered with the specified mirror transformations.
  24 //
  25
  26 #ifndef FRAMEBROWSER_H
  27 #define FRAMEBROWSER_H
  28
  29 #include "wx/wxprec.h"
  30 #ifndef WX_PRECOMP
  31     #include "wx/wx.h"
  32 #endif
  33 #include "ShapesElements.h"
  34
  35 DECLARE_EVENT_TYPE(wxEVT_FRAMEBROWSER, -1)
  36 DECLARE_EVENT_TYPE(wxEVT_FRAMEBROWSER_DELETE, -1)
  37
  38 class FrameBrowser: public wxScrolledWindow {
  39 private:
  40         vector<ShapesFrame*>    mFrames;                        // pointers to frames
  41         vector<ShapesBitmap*>   mBitmaps;                       // pointers to bitmaps
  42         vector<wxBitmap>                mThumbnails;            // scaled/rendered frame thumbnails
  43         ShapesColorTable                *mColorTable;           // which palette to use for display
  44         vector<wxPoint>                 mThumbnailPositions;    // thumbnail positions within window
  45         wxCoord                                 mThumbnailSize,
  46                                                         mMargin;                        // margin between thumbnails and window edges
  47         bool                                    mAutoSize,
  48                                                         mWhiteTransparency;
  49         int                                             mSelection,
  50                                                         mNumCols,
  51                                                         mNumRows;
  52         wxPen                                   mThumbnailPen,
  53                                                         mSelectionPen;
  54         unsigned int                    mFrozenCount;
  55
  56         wxBitmap CreateThumbnail(ShapesFrame *fp);
  57         void UpdateVirtualSize(void);
  58
  59 protected:
  60         DECLARE_EVENT_TABLE();
  61
  62 public:
  63         FrameBrowser(wxWindow *parent, wxWindowID id);
  64         // event handlers
  65         void OnPaint(wxPaintEvent& e);
  66         void OnSize(wxSizeEvent& e);
  67         void OnMouseDown(wxMouseEvent& e);
  68         void OnKeyDown(wxKeyEvent& e);
  69         // wx things
  70         void Freeze(void);
  71         void Thaw(void);
  72         // access methods
  73         int GetSelection(void) const;
  74         void SetThumbnailSize(int size);
  75         void SetTranspPixelsDisplay(bool show);
  76         void AddFrame(ShapesFrame *fp);
  77         void AddBitmap(ShapesBitmap *bp);
  78         void SetColorTable(ShapesColorTable *ct);
  79         void Clear(void);
  80         void ClearBitmaps(void);
  81         // utilities
  82         void RebuildThumbnail(unsigned int i);
  83         void RebuildThumbnails(void);
  84 };
  85
  86 #endif