src/motif/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bmpbuttn.cpp
   3 // Purpose:     wxBitmapButton
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "bmpbuttn.h"
  14 #endif
  15
  16 #include "wx/bmpbuttn.h"
  17
  18 #include <Xm/PushBG.h>
  19 #include <Xm/PushB.h>
  20
  21 #include "wx/motif/private.h"
  22
  23 // Implemented in button.cpp
  24 void wxButtonCallback (Widget w, XtPointer clientData, XtPointer ptr);
  25
  26 Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );
  27
  28 #if !USE_SHARED_LIBRARY
  29 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  30 #endif
  31
  32 wxBitmapButton::wxBitmapButton()
  33 {
  34     m_marginX = wxDEFAULT_BUTTON_MARGIN; m_marginY = wxDEFAULT_BUTTON_MARGIN;
  35     m_insensPixmap = (WXPixmap) 0;
  36 }
  37
  38 bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
  39            const wxPoint& pos,
  40            const wxSize& size, long style,
  41            const wxValidator& validator,
  42            const wxString& name)
  43 {
  44     m_buttonBitmap = bitmap;
  45     SetName(name);
  46     SetValidator(validator);
  47     parent->AddChild(this);
  48
  49     m_backgroundColour = parent->GetBackgroundColour() ;
  50     m_foregroundColour = parent->GetForegroundColour() ;
  51     m_windowStyle = style;
  52     m_marginX = 0;
  53     m_marginY = 0;
  54
  55     int x = pos.x;
  56     int y = pos.y;
  57     int width = size.x;
  58     int height = size.y;
  59
  60     if (id == -1)
  61         m_windowId = NewControlId();
  62     else
  63         m_windowId = id;
  64
  65     Widget parentWidget = (Widget) parent->GetClientWidget();
  66
  67   /*
  68    * Patch Note (important)
  69    * There is no major reason to put a defaultButtonThickness here.
  70    * Not requesting it give the ability to put wxButton with a spacing
  71    * as small as requested. However, if some button become a DefaultButton,
  72    * other buttons are no more aligned -- This is why we set
  73    * defaultButtonThickness of ALL buttons belonging to the same wxPanel,
  74    * in the ::SetDefaultButton method.
  75    */
  76     Widget buttonWidget = XtVaCreateManagedWidget ("button",
  77
  78     // Gadget causes problems for default button operation.
  79 #if wxUSE_GADGETS
  80                             xmPushButtonGadgetClass, parentWidget,
  81 #else
  82                 xmPushButtonWidgetClass, parentWidget,
  83 #endif
  84 //                  XmNdefaultButtonShadowThickness, 1, // See comment for wxButton::SetDefault
  85                                                  NULL);
  86
  87     m_mainWidget = (WXWidget) buttonWidget;
  88
  89     if (bitmap.Ok())
  90     {
  91         Pixmap p1, p2;
  92
  93         p1 = (Pixmap) ((wxBitmap&)bitmap).GetLabelPixmap(m_mainWidget);
  94         p2 = (Pixmap) ((wxBitmap&)bitmap).GetInsensPixmap(m_mainWidget);
  95
  96         if(p1 == p2) // <- the Get...Pixmap()-functions return the same pixmap!
  97         {
  98             p2 =
  99                 XCreateInsensitivePixmap(DisplayOfScreen(XtScreen(buttonWidget)), p1);
 100             m_insensPixmap = (WXPixmap) p2;
 101         }
 102
 103         XtVaSetValues (buttonWidget,
 104             XmNlabelPixmap, p1,
 105             XmNlabelInsensitivePixmap, p2,
 106             XmNarmPixmap, (Pixmap) ((wxBitmap&)bitmap).GetArmPixmap (m_mainWidget),
 107             XmNlabelType, XmPIXMAP,
 108             NULL);
 109     }
 110
 111     XtAddCallback (buttonWidget, XmNactivateCallback, (XtCallbackProc) wxButtonCallback,
 112             (XtPointer) this);
 113
 114     SetCanAddEventHandler(TRUE);
 115     AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
 116
 117     SetFont(* parent->GetFont());
 118
 119     ChangeColour (m_mainWidget);
 120
 121
 122     return TRUE;
 123 }
 124
 125 wxBitmapButton::~wxBitmapButton()
 126 {
 127     SetBitmapLabel(wxNullBitmap);
 128
 129     if (m_insensPixmap)
 130         XmDestroyPixmap (DefaultScreenOfDisplay ((Display*) GetXDisplay()), (Pixmap) m_insensPixmap);
 131 }
 132
 133 void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
 134 {
 135     m_buttonBitmap = bitmap;
 136
 137     if (bitmap.Ok())
 138     {
 139         Pixmap labelPixmap, insensPixmap, armPixmap;
 140
 141         labelPixmap = (Pixmap) ((wxBitmap&)bitmap).GetLabelPixmap(m_mainWidget);
 142
 143         if (m_buttonBitmapSelected.Ok())
 144             armPixmap = (Pixmap) m_buttonBitmapSelected.GetLabelPixmap(m_mainWidget);
 145         else
 146             armPixmap = (Pixmap) ((wxBitmap&)bitmap).GetArmPixmap(m_mainWidget);
 147
 148         if (m_buttonBitmapDisabled.Ok())
 149             insensPixmap = (Pixmap) m_buttonBitmapDisabled.GetLabelPixmap(m_mainWidget);
 150         else
 151             insensPixmap = (Pixmap) ((wxBitmap&)bitmap).GetInsensPixmap(m_mainWidget);
 152
 153         if (!insensPixmap || (insensPixmap == labelPixmap)) // <- the Get...Pixmap()-functions return the same pixmap!
 154         {
 155             insensPixmap = XCreateInsensitivePixmap(DisplayOfScreen(XtScreen((Widget) m_mainWidget)), labelPixmap);
 156             m_insensPixmap = (WXPixmap) insensPixmap;
 157         }
 158
 159         XtVaSetValues ((Widget) m_mainWidget,
 160             XmNlabelPixmap, labelPixmap,
 161             XmNlabelInsensitivePixmap, insensPixmap,
 162             XmNarmPixmap, armPixmap,
 163             XmNlabelType, XmPIXMAP,
 164             NULL);
 165     }
 166     else
 167     {
 168         // Null bitmap: must not use current pixmap
 169         // since it is no longer valid.
 170         XtVaSetValues ((Widget) m_mainWidget,
 171             XmNlabelType, XmSTRING,
 172             XmNlabelPixmap, NULL, // TODO: Does this work?
 173             XmNlabelInsensitivePixmap, NULL,
 174             XmNarmPixmap, NULL,
 175             NULL);
 176     }
 177 }
 178
 179 void wxBitmapButton::SetBitmapSelected(const wxBitmap& sel)
 180 {
 181     m_buttonBitmapSelected = sel;
 182 };
 183
 184 void wxBitmapButton::SetBitmapFocus(const wxBitmap& focus)
 185 {
 186     m_buttonBitmapFocus = focus;
 187     // Not used in Motif
 188 };
 189
 190 void wxBitmapButton::SetBitmapDisabled(const wxBitmap& disabled)
 191 {
 192     m_buttonBitmapDisabled = disabled;
 193 };
 194
 195