Added "set new icon" menu item to taskbar sample; updated some makefiles

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

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 1cbe67838f11b12ab5ead1be7011fa3dd4068c9f..48e44b9946e314ae3a365f4039d32a1ae94f437f 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()
 
 // ============================================================================


@@ -117,17 +127,15 @@ void wxWindowBase::InitBase()
 #endif // wxUSE_VALIDATORS
 
     // use the system default colours
 #endif // wxUSE_VALIDATORS
 
     // use the system default colours

-    wxSystemSettings settings;
-
-    m_backgroundColour = settings.GetSystemColour(wxSYS_COLOUR_BTNFACE);
-    // m_foregroundColour = *wxBLACK;  // TODO take this from sys settings too?
+    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE);

     m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
 
     m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
 

-#if !defined(__WXMAC__) && !defined(__WXGTK__)
-    m_font = *wxSWISS_FONT;         //      and this?
-#else
-    m_font = settings.GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
-#endif
+    // don't set the font here for wxMSW as we don't call WM_SETFONT here and
+    // so the font is *not* really set - but calls to SetFont() later won't do
+    // anything because m_font appears to be already set!
+#ifndef __WXMSW__
+    m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
+#endif // __WXMSW__

 
     // no style bits
     m_exStyle =
 
     // no style bits
     m_exStyle =


@@ -156,6 +164,9 @@ 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


@@ -176,15 +187,6 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     m_windowId = id == -1 ? NewControlId() : id;
 
     SetName(name);
     m_windowId = id == -1 ? NewControlId() : id;
 
     SetName(name);

-
-    // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
-    // have it too - like this it's possible to set it only in the top level
-    // dialog/frame and all children will inherit it by defult
-    if ( parent && (parent->GetWindowStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
-    {
-        style |= wxWS_EX_VALIDATE_RECURSIVELY;
-    }
-

     SetWindowStyleFlag(style);
     SetParent(parent);
 
     SetWindowStyleFlag(style);
     SetParent(parent);
 


@@ -192,6 +194,14 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     SetValidator(validator);
 #endif // wxUSE_VALIDATORS
 
     SetValidator(validator);
 #endif // wxUSE_VALIDATORS
 

+    // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
+    // have it too - like this it's possible to set it only in the top level
+    // dialog/frame and all children will inherit it by defult
+    if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
+    {
+        SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
+    }
+

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -320,13 +330,32 @@ 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 )


@@ -336,8 +365,19 @@ 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;


@@ -352,23 +392,12 @@ 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


@@ -376,7 +405,14 @@ 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
 }


@@ -395,15 +431,24 @@ 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;
             }
 
             int wx, wy, ww, wh;
             win->GetPosition(&wx, &wy);
                 continue;
             }
 
             int wx, wy, ww, wh;
             win->GetPosition(&wx, &wy);

+
+            // if the window hadn't been positioned yet, assume that it is in
+            // the origin
+            if ( wx == -1 )
+                wx = 0;
+            if ( wy == -1 )
+                wy = 0;
+

             win->GetSize(&ww, &wh);
             if ( wx + ww > maxX )
                 maxX = wx + ww;
             win->GetSize(&ww, &wh);
             if ( wx + ww > maxX )
                 maxX = wx + ww;


@@ -411,8 +456,7 @@ 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
     {


@@ -481,6 +525,11 @@ 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);
 }


@@ -579,16 +628,15 @@ 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;
 }


@@ -598,7 +646,7 @@ bool wxWindowBase::SetFont(const wxFont& font)
     // don't try to set invalid font, always fall back to the default
     const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT;
 
     // don't try to set invalid font, always fall back to the default
     const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT;
 

-    if ( (wxFont&)fontOk == m_font )
+    if ( fontOk == m_font )

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


@@ -811,6 +859,64 @@ 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
 // ----------------------------------------------------------------------------


@@ -1239,7 +1345,7 @@ void wxWindowBase::UpdateWindowUI()
 
         if ( event.GetSetText() )
         {
 
         if ( event.GetSetText() )
         {

-            wxControl *control = wxDynamicCast(this, wxControl);
+            wxControl *control = wxDynamicThisCast(this, wxControl);

             if ( control )
             {
                 wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl);
             if ( control )
             {
                 wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl);


@@ -1251,7 +1357,7 @@ void wxWindowBase::UpdateWindowUI()
         }
 
 #if wxUSE_CHECKBOX
         }
 
 #if wxUSE_CHECKBOX

-        wxCheckBox *checkbox = wxDynamicCast(this, wxCheckBox);
+        wxCheckBox *checkbox = wxDynamicThisCast(this, wxCheckBox);

         if ( checkbox )
         {
             if ( event.GetSetChecked() )
         if ( checkbox )
         {
             if ( event.GetSetChecked() )


@@ -1260,7 +1366,7 @@ void wxWindowBase::UpdateWindowUI()
 #endif // wxUSE_CHECKBOX
 
 #if wxUSE_RADIOBTN
 #endif // wxUSE_CHECKBOX
 
 #if wxUSE_RADIOBTN

-        wxRadioButton *radiobtn = wxDynamicCast(this, wxRadioButton);
+        wxRadioButton *radiobtn = wxDynamicThisCast(this, wxRadioButton);

         if ( radiobtn )
         {
             if ( event.GetSetChecked() )
         if ( radiobtn )
         {
             if ( event.GetSetChecked() )


@@ -1407,9 +1513,7 @@ 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,