c8ec0b3d36
automatically resize the control to match the bitmap (as wxMSW does). git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20749 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
161 lines
3.9 KiB
C++
161 lines
3.9 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: statbmp.cpp
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// Purpose: wxStaticBitmap
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// Author: Julian Smart
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// Modified by:
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// Created: 17/09/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "statbmp.h"
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#endif
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#include "wx/defs.h"
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#include "wx/statbmp.h"
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#ifdef __VMS__
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#pragma message disable nosimpint
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#endif
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#include <Xm/Xm.h>
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#include <Xm/Label.h>
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#include <Xm/LabelG.h>
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#ifdef __VMS__
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#pragma message enable nosimpint
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#endif
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#include "wx/motif/private.h"
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IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl)
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/*
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* wxStaticBitmap
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*/
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bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id,
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const wxBitmap& bitmap,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxString& name)
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{
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if( !CreateControl( parent, id, pos, size, style, wxDefaultValidator,
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name ) )
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return false;
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m_messageBitmap = bitmap;
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m_messageBitmapOriginal = bitmap;
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Widget parentWidget = (Widget) parent->GetClientWidget();
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m_mainWidget = (WXWidget) XtVaCreateManagedWidget ("staticBitmap",
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#if USE_GADGETS
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xmLabelGadgetClass, parentWidget,
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#else
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xmLabelWidgetClass, parentWidget,
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#endif
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XmNalignment, XmALIGNMENT_BEGINNING,
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NULL);
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ChangeBackgroundColour ();
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DoSetBitmap();
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ChangeFont(FALSE);
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wxSize actualSize(size);
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// work around the cases where the bitmap is a wxNull(Icon/Bitmap)
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if (actualSize.x == -1)
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actualSize.x = bitmap.Ok() ? bitmap.GetWidth() : 1;
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if (actualSize.y == -1)
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actualSize.y = bitmap.Ok() ? bitmap.GetHeight() : 1;
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AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
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pos.x, pos.y, actualSize.x, actualSize.y);
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return true;
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}
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wxStaticBitmap::~wxStaticBitmap()
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{
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SetBitmap(wxNullBitmap);
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}
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void wxStaticBitmap::DoSetBitmap()
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{
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Widget widget = (Widget) m_mainWidget;
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int w2, h2;
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if (m_messageBitmapOriginal.Ok())
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{
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w2 = m_messageBitmapOriginal.GetWidth();
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h2 = m_messageBitmapOriginal.GetHeight();
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Pixmap pixmap;
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// Must re-make the bitmap to have its transparent areas drawn
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// in the current widget background colour.
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if (m_messageBitmapOriginal.GetMask())
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{
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int backgroundPixel;
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XtVaGetValues( widget, XmNbackground, &backgroundPixel,
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NULL);
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wxColour col;
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col.SetPixel(backgroundPixel);
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wxBitmap newBitmap = wxCreateMaskedBitmap(m_messageBitmapOriginal, col);
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m_messageBitmap = newBitmap;
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pixmap = (Pixmap) m_messageBitmap.GetDrawable();
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}
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else
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{
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m_bitmapCache.SetBitmap( m_messageBitmap );
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pixmap = (Pixmap)m_bitmapCache.GetLabelPixmap(widget);
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}
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XtVaSetValues (widget,
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XmNlabelPixmap, pixmap,
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XmNlabelType, XmPIXMAP,
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NULL);
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SetSize(w2, h2);
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}
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else
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{
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// Null bitmap: must not use current pixmap
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// since it is no longer valid.
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XtVaSetValues (widget,
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XmNlabelType, XmSTRING,
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XmNlabelPixmap, XmUNSPECIFIED_PIXMAP,
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NULL);
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}
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}
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void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap)
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{
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m_messageBitmap = bitmap;
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m_messageBitmapOriginal = bitmap;
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DoSetBitmap();
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}
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void wxStaticBitmap::ChangeBackgroundColour()
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{
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wxWindow::ChangeBackgroundColour();
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// must recalculate the background colour
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m_bitmapCache.SetColoursChanged();
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DoSetBitmap();
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}
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void wxStaticBitmap::ChangeForegroundColour()
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{
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m_bitmapCache.SetColoursChanged();
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wxWindow::ChangeForegroundColour();
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}
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