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 #if wxUSE_STATTEXT
  24
  25 #ifndef WX_PRECOMP
  26 #include "wx/event.h"
  27 #include "wx/app.h"
  28 #include "wx/brush.h"
  29 #endif
  30
  31 #include "wx/stattext.h"
  32 #include "wx/msw/private.h"
  33 #include <stdio.h>
  34
  35 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  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
  64   if ( m_windowStyle & wxCLIP_SIBLINGS )
  65     msStyle |= WS_CLIPSIBLINGS;
  66   if (m_windowStyle & wxALIGN_CENTRE)
  67     msStyle |= SS_CENTER;
  68   else if (m_windowStyle & wxALIGN_RIGHT)
  69     msStyle |= SS_RIGHT;
  70   else
  71     msStyle |= SS_LEFT;
  72
  73   // Even with extended styles, need to combine with WS_BORDER
  74   // for them to look right.
  75   if ( wxStyleHasBorder(m_windowStyle) )
  76     msStyle |= WS_BORDER;
  77
  78   m_hWnd = (WXHWND)::CreateWindowEx(MakeExtendedStyle(m_windowStyle), wxT("STATIC"), (const wxChar *)label,
  79                          msStyle,
  80                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  81                          wxGetInstance(), NULL);
  82
  83   wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create static ctrl") );
  84
  85 #if wxUSE_CTL3D
  86 /*
  87   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
  88     Ctl3dSubclassCtl(static_item);
  89 */
  90 #endif
  91
  92   SubclassWin(m_hWnd);
  93
  94   wxControl::SetFont(parent->GetFont());
  95   SetSize(x, y, width, height);
  96
  97   return TRUE;
  98 }
  99
 100 wxSize wxStaticText::DoGetBestSize() const
 101 {
 102     wxString text(wxGetWindowText(GetHWND()));
 103
 104     int widthTextMax = 0, widthLine,
 105         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 106
 107     wxString curLine;
 108     for ( const wxChar *pc = text; ; pc++ ) {
 109         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
 110             if ( !curLine ) {
 111                 // we can't use GetTextExtent - it will return 0 for both width
 112                 // and height and an empty line should count in height
 113                 // calculation
 114                 if ( !heightLineDefault )
 115                     heightLineDefault = heightLine;
 116                 if ( !heightLineDefault )
 117                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 118
 119                 heightTextTotal += heightLineDefault;
 120             }
 121             else {
 122                 GetTextExtent(curLine, &widthLine, &heightLine);
 123                 if ( widthLine > widthTextMax )
 124                     widthTextMax = widthLine;
 125                 heightTextTotal += heightLine;
 126             }
 127
 128             if ( *pc == wxT('\n') ) {
 129                curLine.Empty();
 130             }
 131             else {
 132                // the end of string
 133                break;
 134             }
 135         }
 136         else {
 137             curLine += *pc;
 138         }
 139     }
 140
 141     return wxSize(widthTextMax, heightTextTotal);
 142 }
 143
 144 void wxStaticText::SetLabel(const wxString& label)
 145 {
 146     SetWindowText(GetHwnd(), label);
 147
 148     // adjust the size of the window to fit to the label unless autoresizing is
 149     // disabled
 150     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 151     {
 152         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 153     }
 154 }
 155
 156
 157 bool wxStaticText::SetFont(const wxFont& font)
 158 {
 159     bool ret = wxControl::SetFont(font);
 160
 161     // adjust the size of the window to fit to the label unless autoresizing is
 162     // disabled
 163     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 164     {
 165         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 166     }
 167
 168     return ret;
 169 }
 170
 171
 172 long wxStaticText::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 173 {
 174   // Ensure that static items get messages. Some controls don't like this
 175   // message to be intercepted (e.g. RichEdit), hence the tests.
 176   if (nMsg == WM_NCHITTEST)
 177     return (long)HTCLIENT;
 178
 179   return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 180 }
 181
 182 #endif // wxUSE_STATTEXT