contrib/include/wx/fl/newbmpbtn.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        newbmpbtn.h
   3 // Purpose:     wxNewBitmapButton header.
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     ??/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __NEWBMPBTN_G__
  13 #define __NEWBMPBTN_G__
  14
  15 #ifdef __GNUG__
  16     #pragma interface "newbmpbtn.h"
  17 #endif
  18
  19 #include "wx/button.h"
  20 #include "wx/string.h"
  21
  22 // defaults
  23 #define NB_DEFAULT_MARGIN 2
  24
  25 // button label-text alignment types
  26
  27 #define NB_ALIGN_TEXT_RIGHT  0
  28 #define NB_ALIGN_TEXT_BOTTOM 1
  29 #define NB_NO_TEXT           2
  30 #define NB_NO_IMAGE          3
  31
  32 // classes declared in this header file
  33
  34 class wxNewBitmapButton;
  35 class wxBorderLessBitmapButton;
  36
  37 /*
  38 This is an alternative class to wxBitmapButton. It is used
  39 in the implementation of dynamic toolbars.
  40 */
  41
  42 class wxNewBitmapButton: public wxPanel
  43 {
  44     DECLARE_DYNAMIC_CLASS(wxNewBitmapButton)
  45
  46 protected:
  47
  48     friend class wxNewBitmapButtonSerializer;
  49
  50     int      mTextToLabelGap;
  51     int      mMarginX;
  52     int      mMarginY;
  53     int      mTextAlignment;
  54     bool     mIsSticky;
  55     bool     mIsFlat;
  56
  57     wxString mLabelText;
  58     wxString mImageFileName;
  59     wxBitmapType mImageFileType;
  60
  61     wxBitmap mDepressedBmp; // source image for rendering
  62                             // labels for particular state
  63
  64     wxBitmap mFocusedBmp;   // may not be always present -
  65                             // only if mHasFocusedBmp is TRUE
  66
  67     wxBitmap* mpDepressedImg;
  68     wxBitmap* mpPressedImg;
  69     wxBitmap* mpDisabledImg;
  70     wxBitmap* mpFocusedImg;
  71
  72     // button state variables;
  73     bool      mDragStarted;
  74     bool      mIsPressed;
  75     bool      mIsInFocus;
  76
  77     bool      mHasFocusedBmp;
  78
  79     // type of event which is fired upon depression of this button
  80     int       mFiredEventType;
  81
  82     // pens for drawing decorations (borders)
  83     wxPen     mBlackPen;
  84     wxPen     mDarkPen;
  85     wxPen     mGrayPen;
  86     wxPen     mLightPen;
  87
  88     bool      mIsCreated;
  89     int       mSizeIsSet;
  90
  91 protected:
  92
  93         // Internal function for destroying labels.
  94     void DestroyLabels();
  95
  96         // Returns the label that matches the current button state.
  97     virtual wxBitmap* GetStateLabel();
  98
  99         // Draws shading on the button.
 100     virtual void DrawShade( int outerLevel,
 101                             wxDC&  dc,
 102                             wxPen& upperLeftSidePen,
 103                             wxPen& lowerRightSidePen );
 104
 105         // Returns TRUE if the given point is in the window.
 106     bool IsInWindow( int x, int y );
 107
 108 public:
 109
 110         // Constructor.
 111     wxNewBitmapButton( const wxBitmap& labelBitmap = wxNullBitmap,
 112                        const wxString& labelText   = "",
 113                        int   alignText             = NB_ALIGN_TEXT_BOTTOM,
 114                        bool  isFlat                = TRUE,
 115                        // this is the default type of fired events
 116                        int firedEventType = wxEVT_COMMAND_MENU_SELECTED,
 117                        int marginX        = NB_DEFAULT_MARGIN,
 118                        int marginY        = NB_DEFAULT_MARGIN,
 119                        int textToLabelGap = 2,
 120                        bool isSticky      = FALSE
 121                      );
 122
 123         // Use this constructor if buttons have to be persistant
 124     wxNewBitmapButton( const wxString& bitmapFileName,
 125                            const wxBitmapType     bitmapFileType = wxBITMAP_TYPE_BMP,
 126                            const wxString& labelText      = "",
 127                            int alignText                  = NB_ALIGN_TEXT_BOTTOM,
 128                            bool  isFlat                   = TRUE,
 129                            // this is the default type of fired events
 130                            int firedEventType = wxEVT_COMMAND_MENU_SELECTED,
 131                            int marginX        = NB_DEFAULT_MARGIN,
 132                            int marginY        = NB_DEFAULT_MARGIN,
 133                            int textToLabelGap = 2,
 134                            bool isSticky      = FALSE
 135                              );
 136
 137         // Destructor.
 138     ~wxNewBitmapButton();
 139
 140         // This function should be called after Create. It renders the labels, having
 141         // reloaded the button image if necessary.
 142     virtual void Reshape();
 143
 144         // Sets the label and optionally label text.
 145     virtual void SetLabel(const wxBitmap& labelBitmap, const wxString& labelText = "" );
 146
 147         // Sets the text alignment and margins.
 148     virtual void SetAlignments( int alignText = NB_ALIGN_TEXT_BOTTOM,
 149                                 int marginX        = NB_DEFAULT_MARGIN,
 150                                 int marginY        = NB_DEFAULT_MARGIN,
 151                                 int textToLabelGap = 2);
 152
 153         // Draws the decorations.
 154     virtual void DrawDecorations( wxDC& dc );
 155
 156         // Draws the label.
 157     virtual void DrawLabel( wxDC& dc );
 158
 159         // Renders the label image.
 160     virtual void RenderLabelImage( wxBitmap*& destBmp, wxBitmap* srcBmp,
 161                                    bool isEnabled = TRUE,
 162                                    bool isPressed = FALSE);
 163
 164         // Renders label images.
 165     virtual void RenderLabelImages();
 166
 167         // Renders label images.
 168     virtual void RenderAllLabelImages();
 169
 170         // Enables/disables button
 171     virtual bool Enable(bool enable);
 172
 173         // Responds to a left mouse button down event.
 174     void OnLButtonDown( wxMouseEvent& event );
 175
 176         // Responds to a left mouse button up event.
 177     void OnLButtonUp( wxMouseEvent& event );
 178
 179         // Responds to mouse enter to window.
 180     void OnMouseEnter( wxMouseEvent& event );
 181
 182         // Responds to mouse leave from window.
 183     void OnMouseLeave( wxMouseEvent& event );
 184
 185         // Responds to a size event.
 186     void OnSize( wxSizeEvent& event );
 187
 188         // Responds to a paint event.
 189     void OnPaint( wxPaintEvent& event );
 190
 191         // Responds to an erase background event.
 192     void OnEraseBackground( wxEraseEvent& event );
 193
 194         // Responds to a kill focus event.
 195     void OnKillFocus( wxFocusEvent& event );
 196
 197         // Maps bitmap to current system colours on Windows
 198 #ifdef __WXMSW__
 199     WXHBITMAP MapBitmap(WXHBITMAP bitmap, int width, int height);
 200 #endif
 201
 202     DECLARE_EVENT_TABLE()
 203 };
 204
 205 #endif /* __NEWBMPBTN_G__ */
 206