| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: statbmp.cpp |
| 3 | // Purpose: wxStaticBitmap |
| 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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 13 | #pragma implementation "statbmp.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #include "wx/defs.h" |
| 20 | |
| 21 | #include "wx/statbmp.h" |
| 22 | |
| 23 | #ifdef __VMS__ |
| 24 | #pragma message disable nosimpint |
| 25 | #endif |
| 26 | #include <Xm/Xm.h> |
| 27 | #include <Xm/Label.h> |
| 28 | #include <Xm/LabelG.h> |
| 29 | #ifdef __VMS__ |
| 30 | #pragma message enable nosimpint |
| 31 | #endif |
| 32 | |
| 33 | #include "wx/motif/private.h" |
| 34 | |
| 35 | IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) |
| 36 | |
| 37 | /* |
| 38 | * wxStaticBitmap |
| 39 | */ |
| 40 | |
| 41 | bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id, |
| 42 | const wxBitmap& bitmap, |
| 43 | const wxPoint& pos, |
| 44 | const wxSize& size, |
| 45 | long style, |
| 46 | const wxString& name) |
| 47 | { |
| 48 | if( !CreateControl( parent, id, pos, size, style, wxDefaultValidator, |
| 49 | name ) ) |
| 50 | return false; |
| 51 | |
| 52 | m_messageBitmap = bitmap; |
| 53 | m_messageBitmapOriginal = bitmap; |
| 54 | |
| 55 | Widget parentWidget = (Widget) parent->GetClientWidget(); |
| 56 | |
| 57 | m_mainWidget = (WXWidget) XtVaCreateManagedWidget ("staticBitmap", |
| 58 | #if USE_GADGETS |
| 59 | xmLabelGadgetClass, parentWidget, |
| 60 | #else |
| 61 | xmLabelWidgetClass, parentWidget, |
| 62 | #endif |
| 63 | XmNalignment, XmALIGNMENT_BEGINNING, |
| 64 | NULL); |
| 65 | |
| 66 | ChangeBackgroundColour (); |
| 67 | |
| 68 | DoSetBitmap(); |
| 69 | |
| 70 | ChangeFont(FALSE); |
| 71 | |
| 72 | wxSize actualSize(size); |
| 73 | // work around the cases where the bitmap is a wxNull(Icon/Bitmap) |
| 74 | if (actualSize.x == -1) |
| 75 | actualSize.x = bitmap.Ok() ? bitmap.GetWidth() : 1; |
| 76 | if (actualSize.y == -1) |
| 77 | actualSize.y = bitmap.Ok() ? bitmap.GetHeight() : 1; |
| 78 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, |
| 79 | pos.x, pos.y, actualSize.x, actualSize.y); |
| 80 | |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | wxStaticBitmap::~wxStaticBitmap() |
| 85 | { |
| 86 | SetBitmap(wxNullBitmap); |
| 87 | } |
| 88 | |
| 89 | void wxStaticBitmap::DoSetBitmap() |
| 90 | { |
| 91 | Widget widget = (Widget) m_mainWidget; |
| 92 | int w2, h2; |
| 93 | |
| 94 | if (m_messageBitmapOriginal.Ok()) |
| 95 | { |
| 96 | w2 = m_messageBitmapOriginal.GetWidth(); |
| 97 | h2 = m_messageBitmapOriginal.GetHeight(); |
| 98 | |
| 99 | Pixmap pixmap; |
| 100 | |
| 101 | // Must re-make the bitmap to have its transparent areas drawn |
| 102 | // in the current widget background colour. |
| 103 | if (m_messageBitmapOriginal.GetMask()) |
| 104 | { |
| 105 | int backgroundPixel; |
| 106 | XtVaGetValues( widget, XmNbackground, &backgroundPixel, |
| 107 | NULL); |
| 108 | |
| 109 | wxColour col; |
| 110 | col.SetPixel(backgroundPixel); |
| 111 | |
| 112 | wxBitmap newBitmap = wxCreateMaskedBitmap(m_messageBitmapOriginal, col); |
| 113 | m_messageBitmap = newBitmap; |
| 114 | |
| 115 | pixmap = (Pixmap) m_messageBitmap.GetDrawable(); |
| 116 | } |
| 117 | else |
| 118 | { |
| 119 | m_bitmapCache.SetBitmap( m_messageBitmap ); |
| 120 | pixmap = (Pixmap)m_bitmapCache.GetLabelPixmap(widget); |
| 121 | } |
| 122 | |
| 123 | XtVaSetValues (widget, |
| 124 | XmNlabelPixmap, pixmap, |
| 125 | XmNlabelType, XmPIXMAP, |
| 126 | NULL); |
| 127 | |
| 128 | SetSize(w2, h2); |
| 129 | } |
| 130 | else |
| 131 | { |
| 132 | // Null bitmap: must not use current pixmap |
| 133 | // since it is no longer valid. |
| 134 | XtVaSetValues (widget, |
| 135 | XmNlabelType, XmSTRING, |
| 136 | XmNlabelPixmap, XmUNSPECIFIED_PIXMAP, |
| 137 | NULL); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap) |
| 142 | { |
| 143 | m_messageBitmap = bitmap; |
| 144 | m_messageBitmapOriginal = bitmap; |
| 145 | |
| 146 | DoSetBitmap(); |
| 147 | } |
| 148 | |
| 149 | void wxStaticBitmap::ChangeBackgroundColour() |
| 150 | { |
| 151 | wxWindow::ChangeBackgroundColour(); |
| 152 | |
| 153 | // must recalculate the background colour |
| 154 | m_bitmapCache.SetColoursChanged(); |
| 155 | DoSetBitmap(); |
| 156 | } |
| 157 | |
| 158 | void wxStaticBitmap::ChangeForegroundColour() |
| 159 | { |
| 160 | m_bitmapCache.SetColoursChanged(); |
| 161 | wxWindow::ChangeForegroundColour(); |
| 162 | } |
| 163 | |