src/msw/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        stattext.cpp
   3 // Purpose:     wxStaticText
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "stattext.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/event.h"
  25 #include "wx/app.h"
  26 #include "wx/brush.h"
  27 #endif
  28
  29 #include "wx/stattext.h"
  30 #include "wx/msw/private.h"
  31 #include <stdio.h>
  32
  33 #if !USE_SHARED_LIBRARY
  34 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  35 #endif
  36
  37 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
  38            const wxString& label,
  39            const wxPoint& pos,
  40            const wxSize& size,
  41            long style,
  42            const wxString& name)
  43 {
  44   SetName(name);
  45   if (parent) parent->AddChild(this);
  46
  47   SetBackgroundColour(parent->GetBackgroundColour()) ;
  48   SetForegroundColour(parent->GetForegroundColour()) ;
  49
  50   if ( id == -1 )
  51     m_windowId = (int)NewControlId();
  52   else
  53   m_windowId = id;
  54
  55   int x = pos.x;
  56   int y = pos.y;
  57   int width = size.x;
  58   int height = size.y;
  59
  60   m_windowStyle = style;
  61
  62   long msStyle = WS_CHILD|WS_VISIBLE;
  63   if (m_windowStyle & wxALIGN_CENTRE)
  64     msStyle |= SS_CENTER;
  65   else if (m_windowStyle & wxALIGN_RIGHT)
  66     msStyle |= SS_RIGHT;
  67   else
  68     msStyle |= SS_LEFT;
  69
  70   // Even with extended styles, need to combine with WS_BORDER
  71   // for them to look right.
  72   if ( wxStyleHasBorder(m_windowStyle) )
  73     msStyle |= WS_BORDER;
  74
  75   m_hWnd = (WXHWND)::CreateWindowEx(MakeExtendedStyle(m_windowStyle), _T("STATIC"), (const wxChar *)label,
  76                          msStyle,
  77                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  78                          wxGetInstance(), NULL);
  79
  80   wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create static ctrl") );
  81
  82 #if wxUSE_CTL3D
  83 /*
  84   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
  85     Ctl3dSubclassCtl(static_item);
  86 */
  87 #endif
  88
  89   SubclassWin(m_hWnd);
  90
  91   SetFont(parent->GetFont());
  92   SetSize(x, y, width, height);
  93
  94   return TRUE;
  95 }
  96
  97 wxSize wxStaticText::DoGetBestSize()
  98 {
  99     wxString text(wxGetWindowText(GetHWND()));
 100
 101     int widthTextMax = 0, widthLine,
 102         heightTextTotal = 0, heightLine;
 103
 104     wxString curLine;
 105     for ( const char *pc = text; ; pc++ ) {
 106         if ( *pc == '\n' || *pc == '\0' ) {
 107             GetTextExtent(curLine, &widthLine, &heightLine);
 108             if ( widthLine > widthTextMax )
 109                 widthTextMax = widthLine;
 110             heightTextTotal += heightLine;
 111
 112             if ( *pc == '\n' ) {
 113                curLine.Empty();
 114             }
 115             else {
 116                // the end of string
 117                break;
 118             }
 119         }
 120         else {
 121             curLine += *pc;
 122         }
 123     }
 124
 125     return wxSize(widthTextMax, heightTextTotal);
 126 }
 127
 128 void wxStaticText::SetLabel(const wxString& label)
 129 {
 130     SetWindowText(GetHwnd(), label);
 131
 132     // adjust the size of the window to fit to the label (this behaviour is
 133     // backward compatible and generally makes sense but we might want to still
 134     // provide the user a way to disable it) (VZ)
 135     DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 136 }
 137
 138 WXHBRUSH wxStaticText::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 139       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 140 {
 141 /*
 142 #if wxUSE_CTL3D
 143   if ( m_useCtl3D )
 144   {
 145     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 146
 147     if (hbrush != (HBRUSH) 0)
 148       return hbrush;
 149     else
 150       return (HBRUSH)MSWDefWindowProc(message, wParam, lParam);
 151   }
 152 #endif
 153 */
 154
 155   if (GetParent()->GetTransparentBackground())
 156     SetBkMode((HDC) pDC, TRANSPARENT);
 157   else
 158     SetBkMode((HDC) pDC, OPAQUE);
 159
 160   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 161   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 162
 163   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 164
 165   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 166   // has a zero usage count.
 167 //  backgroundBrush->RealizeResource();
 168   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 169 }
 170
 171 long wxStaticText::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 172 {
 173   // Ensure that static items get messages. Some controls don't like this
 174   // message to be intercepted (e.g. RichEdit), hence the tests.
 175   if (nMsg == WM_NCHITTEST)
 176     return (long)HTCLIENT;
 177
 178   return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 179 }
 180
 181