Blob support fixes - still does not work, but getting there

[wxWidgets.git] / src / common / wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index bd49ebf5dd893aa8cfbd76ffd9556ea7d3e78ab3..59f3a09ffbf009254038513d8797706520dcbbee 100644 (file)
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -41,6 +41,7 @@
     #include "wx/settings.h"
     #include "wx/dialog.h"
     #include "wx/msgdlg.h"
     #include "wx/settings.h"
     #include "wx/dialog.h"
     #include "wx/msgdlg.h"

+    #include "wx/statusbr.h"

 #endif //WX_PRECOMP
 
 #if wxUSE_CONSTRAINTS
 #endif //WX_PRECOMP
 
 #if wxUSE_CONSTRAINTS


@@ -52,6 +53,10 @@
     #include "wx/dnd.h"
 #endif // wxUSE_DRAG_AND_DROP
 
     #include "wx/dnd.h"
 #endif // wxUSE_DRAG_AND_DROP
 

+#if wxUSE_HELP
+    #include "wx/cshelp.h"
+#endif // wxUSE_HELP
+

 #if wxUSE_TOOLTIPS
     #include "wx/tooltip.h"
 #endif // wxUSE_TOOLTIPS
 #if wxUSE_TOOLTIPS
     #include "wx/tooltip.h"
 #endif // wxUSE_TOOLTIPS


@@ -76,6 +81,11 @@ BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)

+
+#if wxUSE_HELP
+    EVT_HELP(-1, wxWindowBase::OnHelp)
+#endif // wxUSE_HELP
+

 END_EVENT_TABLE()
 
 // ============================================================================
 END_EVENT_TABLE()
 
 // ============================================================================


@@ -124,11 +134,7 @@ void wxWindowBase::InitBase()
     m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
 
     // GRG, changed Mar/2000
     m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
 
     // GRG, changed Mar/2000

-#if 0 // !defined(__WXMAC__) && !defined(__WXGTK__)
-    m_font = *wxSWISS_FONT;         //      and this?
-#else

     m_font = settings.GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
     m_font = settings.GetSystemFont(wxSYS_DEFAULT_GUI_FONT);

-#endif

     // no style bits
     m_exStyle =
     m_windowStyle = 0;
     // no style bits
     m_exStyle =
     m_windowStyle = 0;


@@ -156,6 +162,9 @@ void wxWindowBase::InitBase()
 #if wxUSE_CARET
     m_caret = (wxCaret *)NULL;
 #endif // wxUSE_CARET
 #if wxUSE_CARET
     m_caret = (wxCaret *)NULL;
 #endif // wxUSE_CARET

+
+    // Whether we're using the current theme for this window (wxGTK only for now)
+    m_themeEnabled = FALSE;

 }
 
 // common part of window creation process
 }
 
 // common part of window creation process


@@ -319,13 +328,32 @@ bool wxWindowBase::DestroyChildren()
 // centre the window with respect to its parent in either (or both) directions
 void wxWindowBase::Centre(int direction)
 {
 // centre the window with respect to its parent in either (or both) directions
 void wxWindowBase::Centre(int direction)
 {

+    // the position/size of the parent window or of the entire screen
+    wxPoint posParent;

     int widthParent, heightParent;
 
     int widthParent, heightParent;
 

-    wxWindow *parent = GetParent();
-    if ( !parent )
+    wxWindow *parent = NULL;
+
+    if ( !(direction & wxCENTRE_ON_SCREEN) )

     {
     {

-        // no other choice
-        direction |= wxCENTRE_ON_SCREEN;
+        // find the parent to centre this window on: it should be the
+        // immediate parent for the controls but the top level parent for the
+        // top level windows (like dialogs)
+        parent = GetParent();
+        if ( IsTopLevel() )
+        {
+            while ( parent && !parent->IsTopLevel() )
+            {
+                parent = parent->GetParent();
+            }
+        }
+
+        // did we find the parent?
+        if ( !parent )
+        {
+            // no other choice
+            direction |= wxCENTRE_ON_SCREEN;
+        }

     }
 
     if ( direction & wxCENTRE_ON_SCREEN )
     }
 
     if ( direction & wxCENTRE_ON_SCREEN )


@@ -335,8 +363,19 @@ void wxWindowBase::Centre(int direction)
     }
     else
     {
     }
     else
     {

-        // centre inside the parents rectangle
-        parent->GetClientSize(&widthParent, &heightParent);
+        if ( IsTopLevel() )
+        {
+            // centre on the parent
+            parent->GetSize(&widthParent, &heightParent);
+
+            // adjust to the parents position
+            posParent = parent->GetPosition();
+        }
+        else
+        {
+            // centre inside the parents client rectangle
+            parent->GetClientSize(&widthParent, &heightParent);
+        }

     }
 
     int width, height;
     }
 
     int width, height;


@@ -351,23 +390,12 @@ void wxWindowBase::Centre(int direction)
     if ( direction & wxVERTICAL )
         yNew = (heightParent - height)/2;
 
     if ( direction & wxVERTICAL )
         yNew = (heightParent - height)/2;
 

-    // controls are always centered on their parent because it doesn't make
-    // sense to centre them on the screen
-    if ( !(direction & wxCENTRE_ON_SCREEN) || !IsTopLevel() )
-    {
-        // the only chance to get this is to have a not top level window
-        // without parent which shouldn't happen
-        wxCHECK_RET( parent, wxT("this window must have a parent") );
-
-        // adjust to the parents client area origin
-        wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0));
+    xNew += posParent.x;
+    yNew += posParent.y;

 
 

-        xNew += posParent.x;
-        yNew += posParent.y;
-    }
-
-    // move the centre of this window to this position
-    Move(xNew, yNew);
+    // move the window to this position (keeping the old size but using
+    // SetSize() and not Move() to allow xNew and/or yNew to be -1)
+    SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);

 }
 
 // fits the window around the children
 }
 
 // fits the window around the children


@@ -375,7 +403,14 @@ void wxWindowBase::Fit()
 {
     if ( GetChildren().GetCount() > 0 )
     {
 {
     if ( GetChildren().GetCount() > 0 )
     {

-        SetClientSize(DoGetBestSize());
+        wxSize size = DoGetBestSize();
+
+        // for compatibility with the old versions and because it really looks
+        // slightly more pretty like this, add a pad
+        size.x += 7;
+        size.y += 14;
+
+        SetClientSize(size);

     }
     //else: do nothing if we have no children
 }
     }
     //else: do nothing if we have no children
 }


@@ -394,10 +429,11 @@ wxSize wxWindowBase::DoGetBestSize() const
               node = node->GetNext() )
         {
             wxWindow *win = node->GetData();
               node = node->GetNext() )
         {
             wxWindow *win = node->GetData();

-            if ( win->IsTopLevel() )
+            if ( win->IsTopLevel() || wxDynamicCast(win, wxStatusBar) || !win->IsShown())

             {
                 // dialogs and frames lie in different top level windows -
             {
                 // dialogs and frames lie in different top level windows -

-                // don't deal with them here
+                // don't deal with them here; as for the status bars, they
+                // don't lie in the client area at all

                 continue;
             }
 
                 continue;
             }
 


@@ -418,8 +454,7 @@ wxSize wxWindowBase::DoGetBestSize() const
                 maxY = wy + wh;
         }
 
                 maxY = wy + wh;
         }
 

-        // leave a margin
-        return wxSize(maxX + 7, maxY + 14);
+        return wxSize(maxX, maxY);

     }
     else
     {
     }
     else
     {


@@ -488,6 +523,11 @@ void wxWindowBase::AddChild(wxWindowBase *child)
 {
     wxCHECK_RET( child, wxT("can't add a NULL child") );
 
 {
     wxCHECK_RET( child, wxT("can't add a NULL child") );
 

+    // this should never happen and it will lead to a crash later if it does
+    // because RemoveChild() will remove only one node from the children list
+    // and the other(s) one(s) will be left with dangling pointers in them
+    wxASSERT_MSG( !GetChildren().Find(child), _T("AddChild() called twice") );
+

     GetChildren().Append(child);
     child->SetParent(this);
 }
     GetChildren().Append(child);
     child->SetParent(this);
 }


@@ -586,16 +626,15 @@ bool wxWindowBase::SetForegroundColour( const wxColour &colour )
 
 bool wxWindowBase::SetCursor(const wxCursor& cursor)
 {
 
 bool wxWindowBase::SetCursor(const wxCursor& cursor)
 {

-    // don't try to set invalid cursor, always fall back to the default
-    const wxCursor& cursorOk = cursor.Ok() ? cursor : *wxSTANDARD_CURSOR;
-
-    if ( (wxCursor&)cursorOk == m_cursor )
+    // setting an invalid cursor is ok, it means that we don't have any special
+    // cursor
+    if ( m_cursor == cursor )

     {
         // no change
         return FALSE;
     }
 
     {
         // no change
         return FALSE;
     }
 

-    m_cursor = cursorOk;
+    m_cursor = cursor;

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -818,6 +857,64 @@ void wxWindowBase::InitDialog()
     GetEventHandler()->ProcessEvent(event);
 }
 
     GetEventHandler()->ProcessEvent(event);
 }
 

+// ----------------------------------------------------------------------------
+// context-sensitive help support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_HELP
+
+// associate this help text with this window
+void wxWindowBase::SetHelpText(const wxString& text)
+{
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        helpProvider->AddHelp(this, text);
+    }
+}
+
+// associate this help text with all windows with the same id as this
+// one
+void wxWindowBase::SetHelpTextForId(const wxString& text)
+{
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        helpProvider->AddHelp(GetId(), text);
+    }
+}
+
+// get the help string associated with this window (may be empty)
+wxString wxWindowBase::GetHelpText() const
+{
+    wxString text;
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        text = helpProvider->GetHelp(this);
+    }
+
+    return text;
+}
+
+// show help for this window
+void wxWindowBase::OnHelp(wxHelpEvent& event)
+{
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        if ( helpProvider->ShowHelp(this) )
+        {
+            // skip the event.Skip() below
+            return;
+        }
+    }
+
+    event.Skip();
+}
+
+#endif // wxUSE_HELP
+

 // ----------------------------------------------------------------------------
 // tooltips
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // tooltips
 // ----------------------------------------------------------------------------


@@ -1414,9 +1511,7 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
 
         wxMessageBox(wxString::Format(
                                       _T(
 
         wxMessageBox(wxString::Format(
                                       _T(

-                                        "       wxWindows Library (%s port)\n"
-                                        "Version %u.%u.%u, compiled at %s %s\n"
-                                        "   Copyright (c) 1995-2000 wxWindows team"
+                                        "       wxWindows Library (%s port)\nVersion %u.%u.%u, compiled at %s %s\n   Copyright (c) 1995-2000 wxWindows team"

                                         ),
                                       port.c_str(),
                                       wxMAJOR_VERSION,
                                         ),
                                       port.c_str(),
                                       wxMAJOR_VERSION,