don't try to access empty wxIconBundle in gtk_frame_realized_callback

[wxWidgets.git] / src / msw / statbr95.cpp

diff --git a/src/msw/statbr95.cpp b/src/msw/statbr95.cpp
index 4965c95ff2d1cd03e207817208546a43415a6b80..2fd1936449d3d6ffcaa81b641de85bd8651ba2d4 100644 (file)
--- a/src/msw/statbr95.cpp
+++ b/src/msw/statbr95.cpp
@@ -1,18 +1,14 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        msw/statbr95.cpp
+// Name:        src/msw/statbr95.cpp

 // Purpose:     native implementation of wxStatusBar
 // Author:      Vadim Zeitlin
 // Purpose:     native implementation of wxStatusBar
 // Author:      Vadim Zeitlin

-// Modified by: 
+// Modified by:

 // Created:     04.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     04.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "statbr95.h"
-#endif
-

 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -20,36 +16,25 @@
   #pragma hdrstop
 #endif
 
   #pragma hdrstop
 #endif
 

-#ifndef WX_PRECOMP
-  #include "wx/setup.h"
-  #include "wx/frame.h"
-  #include "wx/settings.h"
-  #include "wx/dcclient.h"
-#endif
-
-#include "wx/log.h"
-
-#include "wx/generic/statusbr.h"
-#include "wx/msw/statbr95.h"
+#if wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR

 
 

-#include  <windows.h>
-#include  <windowsx.h>
+#include "wx/statusbr.h"

 
 

-#ifndef __GNUWIN32__
-#include  <commctrl.h>
+#ifndef WX_PRECOMP
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+    #include "wx/frame.h"
+    #include "wx/settings.h"
+    #include "wx/dcclient.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"

 #endif
 
 #endif
 

-#if     wxUSE_NATIVE_STATUSBAR
-
-#if     !USE_SHARED_LIBRARY
-  IMPLEMENT_DYNAMIC_CLASS(wxStatusBar95, wxStatusBar);
-
-  BEGIN_EVENT_TABLE(wxStatusBar95, wxStatusBar)
-    EVT_PAINT(wxWindow::OnPaint)
-    EVT_SIZE(wxStatusBar95::OnSize)
-  END_EVENT_TABLE()
-#endif  //USE_SHARED_LIBRARY
+#include "wx/msw/private.h"
+#include <windowsx.h>

 
 

+#if wxUSE_UXTHEME
+    #include "wx/msw/uxtheme.h"
+#endif

 
 // ----------------------------------------------------------------------------
 // macros
 
 // ----------------------------------------------------------------------------
 // macros


@@ -57,11 +42,9 @@
 
 // windowsx.h and commctrl.h don't define those, so we do it here
 #define StatusBar_SetParts(h, n, w) SendMessage(h, SB_SETPARTS, (WPARAM)n, (LPARAM)w)
 
 // windowsx.h and commctrl.h don't define those, so we do it here
 #define StatusBar_SetParts(h, n, w) SendMessage(h, SB_SETPARTS, (WPARAM)n, (LPARAM)w)

-#define StatusBar_SetText(h, n, t)  SendMessage(h, SB_SETTEXT, (WPARAM)n, (LPARAM)(LPCSTR)t)
+#define StatusBar_SetText(h, n, t)  SendMessage(h, SB_SETTEXT, (WPARAM)n, (LPARAM)(LPCTSTR)t)

 #define StatusBar_GetTextLen(h, n)  LOWORD(SendMessage(h, SB_GETTEXTLENGTH, (WPARAM)n, 0))
 #define StatusBar_GetTextLen(h, n)  LOWORD(SendMessage(h, SB_GETTEXTLENGTH, (WPARAM)n, 0))

-#define StatusBar_GetText(h, n, s)  LOWORD(SendMessage(h, SB_GETTEXT, (WPARAM)n, (LPARAM)(LPSTR)s))
-
-#define hwnd      ((HWND)m_hWnd)
+#define StatusBar_GetText(h, n, s)  LOWORD(SendMessage(h, SB_GETTEXT, (WPARAM)n, (LPARAM)(LPTSTR)s))

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -73,158 +56,406 @@
 
 wxStatusBar95::wxStatusBar95()
 {
 
 wxStatusBar95::wxStatusBar95()
 {

-  SetParent(NULL);
-  m_hWnd = 0;
-  m_windowId = 0;
+    SetParent(NULL);
+    m_hWnd = 0;
+    m_windowId = 0;

 }
 
 }
 

-wxStatusBar95::wxStatusBar95(wxWindow *parent, wxWindowID id, long style)
+bool wxStatusBar95::Create(wxWindow *parent,
+                           wxWindowID id,
+                           long style,
+                           const wxString& name)

 {
 {

-  Create(parent, id, style);
-}
+    wxCHECK_MSG( parent, false, wxT("status bar must have a parent") );

 
 

-bool wxStatusBar95::Create(wxWindow *parent, wxWindowID id, long style)
-{
-  SetParent(parent);
+    SetName(name);
+    SetWindowStyleFlag(style);
+    SetParent(parent);
+
+    parent->AddChild(this);
+
+    m_windowId = id == wxID_ANY ? NewControlId() : id;
+
+    DWORD wstyle = WS_CHILD | WS_VISIBLE;
+
+    if ( style & wxCLIP_SIBLINGS )
+        wstyle |= WS_CLIPSIBLINGS;
+
+    // setting SBARS_SIZEGRIP is perfectly useless: it's always on by default
+    // (at least in the version of comctl32.dll I'm using), and the only way to
+    // turn it off is to use CCS_TOP style - as we position the status bar
+    // manually anyhow (see DoMoveWindow), use CCS_TOP style if wxST_SIZEGRIP
+    // is not given
+    if ( !(style & wxST_SIZEGRIP) )
+    {
+        wstyle |= CCS_TOP;
+    }
+    else
+    {
+#ifndef __WXWINCE__
+        // may be some versions of comctl32.dll do need it - anyhow, it won't
+        // do any harm
+        wstyle |= SBARS_SIZEGRIP;
+#endif
+    }

 
 

-  if (id == -1)
-    m_windowId = NewControlId();
-  else
-    m_windowId = id;
+    m_hWnd = (WXHWND)CreateStatusWindow(wstyle,
+                                        wxEmptyString,
+                                        GetHwndOf(parent),
+                                        m_windowId);
+    if ( m_hWnd == 0 )
+    {
+        wxLogSysError(_("Failed to create a status bar."));

 
 

-  DWORD wstyle = WS_CHILD | WS_VISIBLE;
-  if ( style & wxST_SIZEGRIP )
-    wstyle |= SBARS_SIZEGRIP;
+        return false;
+    }
+
+    SetFieldsCount(1);
+    SubclassWin(m_hWnd);
+    InheritAttributes();

 
 

-  m_hWnd = (WXHWND)CreateStatusWindow(wstyle,
-                                      "",
-                                      (HWND)parent->GetHWND(),
-                                      m_windowId);
-  if ( m_hWnd == 0 ) {
-    wxLogSysError("can't create status bar window");
-    return FALSE;
-  }
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR));

 
 

-  // this doesn't work: display problems (white 1-2 pixel borders...)
-  //  SubclassWin(m_hWnd);
+    // we must refresh the frame size when the statusbar is created, because
+    // its client area might change
+    wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
+    if ( frame )
+    {
+        frame->SendSizeEvent();
+    }

 
 

-  return TRUE;
+    return true;

 }
 
 }
 

-void wxStatusBar95::CopyFieldsWidth(const int widths[])
+wxStatusBar95::~wxStatusBar95()

 {
 {

-  if (widths && !m_statusWidths)
-    m_statusWidths = new int[m_nFields];
-
-  if ( widths != NULL ) {
-    for ( int i = 0; i < m_nFields; i++ )
-      m_statusWidths[i] = widths[i];
-  }
-  else {
-    delete [] m_statusWidths;
-    m_statusWidths = NULL;
-  }
+    // we must refresh the frame size when the statusbar is deleted but the
+    // frame is not - otherwise statusbar leaves a hole in the place it used to
+    // occupy
+    wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
+    if ( frame && !frame->IsBeingDeleted() )
+    {
+        frame->SendSizeEvent();
+    }

 }
 
 }
 

-void wxStatusBar95::SetFieldsCount(int nFields, const int widths[])
+void wxStatusBar95::SetFieldsCount(int nFields, const int *widths)

 {
 {

-  wxASSERT( (nFields > 0) && (nFields < 255) );
+    // this is a Windows limitation
+    wxASSERT_MSG( (nFields > 0) && (nFields < 255), _T("too many fields") );

 
 

-  m_nFields = nFields;
+    wxStatusBarBase::SetFieldsCount(nFields, widths);

 
 

-  CopyFieldsWidth(widths);
-  SetFieldsWidth();
+    SetFieldsWidth();

 }
 
 void wxStatusBar95::SetStatusWidths(int n, const int widths[])
 {
 }
 
 void wxStatusBar95::SetStatusWidths(int n, const int widths[])
 {

-  // @@ I don't understand what this function is for...
-  wxASSERT( n == m_nFields );
+    wxStatusBarBase::SetStatusWidths(n, widths);

 
 

-  CopyFieldsWidth(widths);
-  SetFieldsWidth();
+    SetFieldsWidth();

 }
 
 void wxStatusBar95::SetFieldsWidth()
 {
 }
 
 void wxStatusBar95::SetFieldsWidth()
 {

-  int *pWidths = new int[m_nFields];
+    if ( !m_nFields )
+        return;

 
 

-  int nWindowWidth, y;
-  GetClientSize(&nWindowWidth, &y);
+    int aBorders[3];
+    SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);

 
 

-  if ( m_statusWidths == NULL ) {
-    // default: all fields have the same width
-    int nWidth = nWindowWidth / m_nFields;
-    for ( int i = 0; i < m_nFields; i++ )
-      pWidths[i] = (i + 1) * nWidth;
-  }
-  else {
-    // -1 doesn't mean the same thing for wxWindows and Win32, recalc
-    int nTotalWidth = 0, 
-        nVarCount = 0, 
-        i;
-    for ( i = 0; i < m_nFields; i++ ) {
-      if ( m_statusWidths[i] == -1 )
-        nVarCount++;
-      else
-        nTotalWidth += m_statusWidths[i];
-    }
+    int extraWidth = aBorders[2]; // space between fields

 
 

-    if ( nVarCount == 0 ) {
-      // wrong! at least one field must be of variable width
-      wxFAIL;
+    wxArrayInt widthsAbs =
+        CalculateAbsWidths(GetClientSize().x - extraWidth*(m_nFields - 1));

 
 

-      nVarCount++;
-    }
-
-    int nVarWidth = (nWindowWidth - nTotalWidth) / nVarCount;
+    int *pWidths = new int[m_nFields];

 
 

-    // do fill the array

     int nCurPos = 0;
     int nCurPos = 0;

-    for ( i = 0; i < m_nFields; i++ ) {
-      if ( m_statusWidths[i] == -1 )
-        nCurPos += nVarWidth;
-      else
-        nCurPos += m_statusWidths[i];
-      pWidths[i] = nCurPos;
+    for ( int i = 0; i < m_nFields; i++ ) {
+        nCurPos += widthsAbs[i] + extraWidth;
+        pWidths[i] = nCurPos;

     }
     }

-  }

 
 

-  if ( !StatusBar_SetParts(hwnd, m_nFields, pWidths) ) {
-    wxLogDebug("StatusBar_SetParts failed.");
-  }
+    if ( !StatusBar_SetParts(GetHwnd(), m_nFields, pWidths) ) {
+        wxLogLastError(wxT("StatusBar_SetParts"));
+    }

 
 

-  delete [] pWidths;
+    delete [] pWidths;

 }
 
 void wxStatusBar95::SetStatusText(const wxString& strText, int nField)
 {
 }
 
 void wxStatusBar95::SetStatusText(const wxString& strText, int nField)
 {

-  if ( !StatusBar_SetText(hwnd, nField, strText) ) {
-    wxLogDebug("StatusBar_SetText failed");
-  }
+    wxCHECK_RET( (nField >= 0) && (nField < m_nFields),
+                 _T("invalid statusbar field index") );
+
+    if ( strText == GetStatusText(nField) )
+    {
+       // don't call StatusBar_SetText() to avoid flicker
+       return;
+    }
+
+    // Get field style, if any
+    int style;
+    if (m_statusStyles)
+    {
+        switch(m_statusStyles[nField])
+        {
+        case wxSB_RAISED:
+            style = SBT_POPOUT;
+            break;
+        case wxSB_FLAT:
+            style = SBT_NOBORDERS;
+            break;
+        case wxSB_NORMAL:
+        default:
+            style = 0;
+            break;
+        }
+    }
+    else
+        style = 0;
+
+    // Pass both field number and style. MSDN library doesn't mention
+    // that nField and style have to be 'ORed'
+    if ( !StatusBar_SetText(GetHwnd(), nField | style, strText) )
+    {
+        wxLogLastError(wxT("StatusBar_SetText"));
+    }

 }
 
 wxString wxStatusBar95::GetStatusText(int nField) const
 {
 }
 
 wxString wxStatusBar95::GetStatusText(int nField) const
 {

-  wxASSERT( (nField > -1) && (nField < m_nFields) );
+    wxCHECK_MSG( (nField >= 0) && (nField < m_nFields), wxEmptyString,
+                 _T("invalid statusbar field index") );
+
+    wxString str;
+    int len = StatusBar_GetTextLen(GetHwnd(), nField);
+    if ( len > 0 )
+    {
+        StatusBar_GetText(GetHwnd(), nField, wxStringBuffer(str, len));
+    }
+
+    return str;
+}
+
+int wxStatusBar95::GetBorderX() const
+{
+    int aBorders[3];
+    SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
+
+    return aBorders[0];
+}
+
+int wxStatusBar95::GetBorderY() const
+{
+    int aBorders[3];
+    SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
+
+    return aBorders[1];
+}
+
+void wxStatusBar95::SetMinHeight(int height)
+{
+    SendMessage(GetHwnd(), SB_SETMINHEIGHT, height + 2*GetBorderY(), 0);
+
+    // have to send a (dummy) WM_SIZE to redraw it now
+    SendMessage(GetHwnd(), WM_SIZE, 0, 0);
+}
+
+bool wxStatusBar95::GetFieldRect(int i, wxRect& rect) const
+{
+    wxCHECK_MSG( (i >= 0) && (i < m_nFields), false,
+                 _T("invalid statusbar field index") );
+
+    RECT r;
+    if ( !::SendMessage(GetHwnd(), SB_GETRECT, i, (LPARAM)&r) )
+    {
+        wxLogLastError(wxT("SendMessage(SB_GETRECT)"));
+    }
+
+#if wxUSE_UXTHEME
+    wxUxThemeHandle theme((wxStatusBar95 *)this, L"Status"); // const_cast
+    if ( theme )
+    {
+        // by default Windows has a 2 pixel border to the right of the left
+        // divider (or it could be a bug) but it looks wrong so remove it
+        if ( i != 0 )
+        {
+            r.left -= 2;
+        }
+
+        wxUxThemeEngine::Get()->GetThemeBackgroundContentRect(theme, NULL,
+                                                              1 /* SP_PANE */, 0,
+                                                              &r, &r);
+    }
+#endif
+
+    wxCopyRECTToRect(r, rect);
+
+    return true;
+}
+
+// no idea for a default width, just choose something
+#define DEFAULT_FIELD_WIDTH 25
+
+wxSize wxStatusBar95::DoGetBestSize() const
+{
+    int borders[3];
+    SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)borders);
+
+    // calculate width
+    int width = 0;
+    for ( int i = 0; i < m_nFields; ++i )
+    {
+        int widthField = m_statusWidths ? m_statusWidths[i]
+                                        : DEFAULT_FIELD_WIDTH;
+        if ( widthField >= 0 )
+        {
+            width += m_statusWidths[i];
+        }
+        else
+        {
+            // variable width field, its width is really a proportion
+            // related to the other fields
+            width += -widthField*DEFAULT_FIELD_WIDTH;
+        }
+
+        // add the space between fields
+        width += borders[2];
+    }
+
+    if ( !width )
+    {
+        // still need something even for an empty status bar
+        width = 2*DEFAULT_FIELD_WIDTH;
+    }

 
 

-  wxString str("");
-  int len = StatusBar_GetTextLen(hwnd, nField);
-  if (len > 0)
-  {
-        StatusBar_GetText(hwnd, nField, str.GetWriteBuf(len));
-        str.UngetWriteBuf();
-  }
-  return str;
+
+    // calculate height
+    int height;
+    wxGetCharSize(GetHWND(), NULL, &height, GetFont());
+    height = EDIT_HEIGHT_FROM_CHAR_HEIGHT(height);
+    height += borders[1];
+
+    wxSize best(width, height);
+    CacheBestSize(best);
+    return best;

 }
 
 }
 

-void wxStatusBar95::OnSize(wxSizeEvent& event)
+void wxStatusBar95::DoMoveWindow(int x, int y, int width, int height)

 {
 {

-  FORWARD_WM_SIZE(hwnd, SIZE_RESTORED, event.GetSize().x, event.GetSize().y,
-                  SendMessage);
+    if ( GetParent()->IsSizeDeferred() )
+    {
+        wxWindowMSW::DoMoveWindow(x, y, width, height);
+    }
+    else
+    {
+        // parent pos/size isn't deferred so do it now but don't send
+        // WM_WINDOWPOSCHANGING since we don't want to change pos/size later
+        // we must use SWP_NOCOPYBITS here otherwise it paints incorrectly
+        // if other windows are size deferred
+        ::SetWindowPos(GetHwnd(), NULL, x, y, width, height,
+                       SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE
+#ifndef __WXWINCE__
+                       | SWP_NOCOPYBITS | SWP_NOSENDCHANGING
+#endif
+                       );
+    }
+
+    // adjust fields widths to the new size
+    SetFieldsWidth();
+
+    // we have to trigger wxSizeEvent if there are children window in status
+    // bar because GetFieldRect returned incorrect (not updated) values up to
+    // here, which almost certainly resulted in incorrectly redrawn statusbar
+    if ( m_children.GetCount() > 0 )
+    {
+        wxSizeEvent event(GetClientSize(), m_windowId);
+        event.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(event);
+    }
+}
+
+void wxStatusBar95::SetStatusStyles(int n, const int styles[])
+{
+    wxStatusBarBase::SetStatusStyles(n, styles);
+
+    if (n != m_nFields)
+        return;
+
+    for (int i = 0; i < n; i++)
+    {
+        int style;
+        switch(styles[i])
+        {
+        case wxSB_RAISED:
+            style = SBT_POPOUT;
+            break;
+        case wxSB_FLAT:
+            style = SBT_NOBORDERS;
+            break;
+        case wxSB_NORMAL:
+        default:
+            style = 0;
+            break;
+        }
+        // The SB_SETTEXT message is both used to set the field's text as well as
+        // the fields' styles. MSDN library doesn't mention
+        // that nField and style have to be 'ORed'
+        wxString text = GetStatusText(i);
+        if (!StatusBar_SetText(GetHwnd(), style | i, text))
+        {
+            wxLogLastError(wxT("StatusBar_SetText"));
+        }
+    }
+}
+
+WXLRESULT
+wxStatusBar95::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+#ifndef __WXWINCE__
+    if ( nMsg == WM_WINDOWPOSCHANGING )
+    {
+        WINDOWPOS *lpPos = (WINDOWPOS *)lParam;
+        int x, y, w, h;
+        GetPosition(&x, &y);
+        GetSize(&w, &h);
+
+        // we need real window coords and not wx client coords
+        AdjustForParentClientOrigin(x, y);
+
+        lpPos->x  = x;
+        lpPos->y  = y;
+        lpPos->cx = w;
+        lpPos->cy = h;
+
+        return 0;
+    }
+
+    if ( nMsg == WM_NCLBUTTONDOWN )
+    {
+        // if hit-test is on gripper then send message to TLW to begin
+        // resizing. It is possible to send this message to any window.
+        if ( wParam == HTBOTTOMRIGHT )
+        {
+            wxWindow *win;
+
+            for ( win = GetParent(); win; win = win->GetParent() )
+            {
+                if ( win->IsTopLevel() )
+                {
+                    SendMessage(GetHwndOf(win), WM_NCLBUTTONDOWN,
+                                wParam, lParam);
+
+                    return 0;
+                }
+            }
+        }
+    }
+#endif

 
 

-  // adjust fields widths to the new size
-  SetFieldsWidth();
+    return wxStatusBarBase::MSWWindowProc(nMsg, wParam, lParam);

 }
 
 }
 

-#endif  //USE_NATIVE_STATUSBAR
\ No newline at end of file
+#endif // wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR