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), "STATIC", (const char *)label,
  76                          msStyle,
  77                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  78                          wxGetInstance(), NULL);
  79
  80   wxCHECK_MSG( m_hWnd, FALSE, "Failed to create static ctrl" );
  81
  82 #if 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 void wxStaticText::SetSize(int x, int y, int width, int height, int sizeFlags)
  98 {
  99   int currentX, currentY;
 100   GetPosition(&currentX, &currentY);
 101   int x1 = x;
 102   int y1 = y;
 103
 104   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 105     x1 = currentX;
 106   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 107     y1 = currentY;
 108
 109   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 110
 111   int actualWidth = width;
 112   int actualHeight = height;
 113
 114   char buf[300];
 115   int current_width;
 116   int cyf;
 117
 118   ::GetWindowText((HWND) GetHWND(), buf, 300);
 119   GetTextExtent(buf, &current_width, &cyf, NULL, NULL, & GetFont());
 120
 121   int ww, hh;
 122   GetSize(&ww, &hh);
 123
 124   // If we're prepared to use the existing width, then...
 125   if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH))
 126     actualWidth = ww;
 127   else if (width == -1)
 128   {
 129     int cx;
 130     int cy;
 131     wxGetCharSize(GetHWND(), &cx, &cy, & GetFont());
 132     actualWidth = (int)(current_width + cx) ;
 133   }
 134
 135   // If we're prepared to use the existing height, then...
 136   if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT))
 137     actualHeight = hh;
 138   else if (height == -1)
 139   {
 140     actualHeight = (int)(cyf) ;
 141   }
 142
 143   MoveWindow((HWND) GetHWND(), x1, y1, actualWidth, actualHeight, TRUE);
 144 }
 145
 146 void wxStaticText::SetLabel(const wxString& label)
 147 {
 148   int w, h;
 149   RECT rect;
 150
 151   wxWindow *parent = GetParent();
 152   GetWindowRect((HWND) GetHWND(), &rect);
 153
 154   // Since we now have the absolute screen coords,
 155   // if there's a parent we must subtract its top left corner
 156   POINT point;
 157   point.x = rect.left;
 158   point.y = rect.top;
 159   if (parent)
 160   {
 161     ::ScreenToClient((HWND) parent->GetHWND(), &point);
 162   }
 163
 164   GetTextExtent(label, &w, &h, NULL, NULL, & GetFont());
 165   MoveWindow((HWND) GetHWND(), point.x, point.y, (int)(w + 10), (int)h,
 166              TRUE);
 167   SetWindowText((HWND) GetHWND(), (const char *)label);
 168 }
 169
 170 WXHBRUSH wxStaticText::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 171       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 172 {
 173 /*
 174 #if CTL3D
 175   if ( m_useCtl3D )
 176   {
 177     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 178
 179     if (hbrush != (HBRUSH) 0)
 180       return hbrush;
 181     else
 182       return (HBRUSH)MSWDefWindowProc(message, wParam, lParam);
 183   }
 184 #endif
 185 */
 186
 187   if (GetParent()->GetTransparentBackground())
 188     SetBkMode((HDC) pDC, TRANSPARENT);
 189   else
 190     SetBkMode((HDC) pDC, OPAQUE);
 191
 192   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 193   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 194
 195   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 196
 197   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 198   // has a zero usage count.
 199 //  backgroundBrush->RealizeResource();
 200   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 201 }
 202
 203 long wxStaticText::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 204 {
 205   // Ensure that static items get messages. Some controls don't like this
 206   // message to be intercepted (e.g. RichEdit), hence the tests.
 207   if (nMsg == WM_NCHITTEST)
 208     return (long)HTCLIENT;
 209
 210   return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 211 }
 212
 213