new logic applies to SetFont(wxNullFont), too

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

diff --git a/src/msw/control.cpp b/src/msw/control.cpp
index 7f609f7bd6b00841a116122225fa38a01e81a4a3..65042f462eb4b964dabcb38a2854f1de15ee9ade 100644 (file)
--- a/src/msw/control.cpp
+++ b/src/msw/control.cpp
@@ -1,75 +1,246 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        control.cpp
+// Name:        msw/control.cpp

 // Purpose:     wxControl class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Purpose:     wxControl class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) Julian Smart

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "control.h"
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma implementation "control.h"

 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

+#if wxUSE_CONTROLS
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-#include "wx/event.h"
-#include "wx/app.h"
-#include "wx/dcclient.h"
+    #include "wx/event.h"
+    #include "wx/app.h"
+    #include "wx/dcclient.h"
+    #include "wx/log.h"
+    #include "wx/settings.h"

 #endif
 
 #include "wx/control.h"
 
 #include "wx/msw/private.h"
 
 #endif
 
 #include "wx/control.h"
 
 #include "wx/msw/private.h"
 

-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__)
-#include <commctrl.h>
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
+    #include <commctrl.h>

 #endif
 
 #endif
 

-#if !USE_SHARED_LIBRARY
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
+

 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
 
 BEGIN_EVENT_TABLE(wxControl, wxWindow)
     EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
 END_EVENT_TABLE()
 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
 
 BEGIN_EVENT_TABLE(wxControl, wxWindow)
     EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
 END_EVENT_TABLE()

-#endif

 
 

-// Item members
-wxControl::wxControl()
-{
-  m_backgroundColour = *wxWHITE;
-  m_foregroundColour = *wxBLACK;
+// ============================================================================
+// wxControl implementation
+// ============================================================================

 
 

-#if WXWIN_COMPATIBILITY
-  m_callback = 0;
-#endif // WXWIN_COMPATIBILITY
-}
+// ----------------------------------------------------------------------------
+// wxControl ctor/dtor
+// ----------------------------------------------------------------------------

 
 wxControl::~wxControl()
 {
     m_isBeingDeleted = TRUE;
 }
 
 
 wxControl::~wxControl()
 {
     m_isBeingDeleted = TRUE;
 }
 

-bool wxControl::ProcessCommand(wxCommandEvent& event)
+// ----------------------------------------------------------------------------
+// control window creation
+// ----------------------------------------------------------------------------
+
+bool wxControl::Create(wxWindow *parent,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       long style,
+                       const wxValidator& wxVALIDATOR_PARAM(validator),
+                       const wxString& name)
+{
+    if ( !wxWindow::Create(parent, id, pos, size, style, name) )
+        return FALSE;
+
+#if wxUSE_VALIDATORS
+    SetValidator(validator);
+#endif
+
+    return TRUE;
+}
+
+bool wxControl::MSWCreateControl(const wxChar *classname,
+                                 const wxString& label,
+                                 const wxPoint& pos,
+                                 const wxSize& size)
+{
+    WXDWORD exstyle;
+    WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle);
+
+    return MSWCreateControl(classname, msStyle, pos, size, label, exstyle);
+}
+
+bool wxControl::MSWCreateControl(const wxChar *classname,
+                                 WXDWORD style,
+                                 const wxPoint& pos,
+                                 const wxSize& size,
+                                 const wxString& label,
+                                 WXDWORD exstyle)

 {
 {

-#if WXWIN_COMPATIBILITY
-    if ( m_callback )
+    // if no extended style given, determine it ourselves
+    if ( exstyle == (WXDWORD)-1 )

     {
     {

-        (void)(*m_callback)(this, event);
+        exstyle = 0;
+        (void) MSWGetStyle(GetWindowStyle(), &exstyle);
+    }
+
+    // all controls should have this style
+    style |= WS_CHILD;
+
+    // create the control visible if it's currently shown for wxWidgets
+    if ( m_isShown )
+    {
+        style |= WS_VISIBLE;
+    }
+
+    // choose the position for the control
+    int x = pos.x == -1 ? 0 : pos.x,
+        y = pos.y == -1 ? 0 : pos.y,
+        w = size.x == -1 ? 0 : size.x,
+        h = size.y == -1 ? 0 : size.y;
+
+    // ... and adjust it to account for ap ossible parent frames toolbar
+    AdjustForParentClientOrigin(x, y);
+
+    m_hWnd = (WXHWND)::CreateWindowEx
+                       (
+                        exstyle,            // extended style
+                        classname,          // the kind of control to create
+                        label,              // the window name
+                        style,              // the window style
+                        x, y, w, h,         // the window position and size
+                        GetHwndOf(GetParent()),  // parent
+                        (HMENU)GetId(),     // child id
+                        wxGetInstance(),    // app instance
+                        NULL                // creation parameters
+                       );
+
+    if ( !m_hWnd )
+    {
+        wxLogDebug(wxT("Failed to create a control of class '%s'"), classname);
+        wxFAIL_MSG(_T("something is very wrong"));
+
+        return FALSE;
+    }
+
+#if wxUSE_CTL3D
+    if ( want3D )
+    {
+        Ctl3dSubclassCtl(GetHwnd());
+        m_useCtl3D = TRUE;
+    }
+#endif // wxUSE_CTL3D
+
+    // install wxWidgets window proc for this window
+    SubclassWin(m_hWnd);
+
+    // set up fonts and colours
+    InheritAttributes();
+    SetFont(GetDefaultAttributes().font);
+
+    // set the size now if no initial size specified
+    SetInitialBestSize(size);
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// various accessors
+// ----------------------------------------------------------------------------
+
+wxBorder wxControl::GetDefaultBorder() const
+{
+    // we want to automatically give controls a sunken style (confusingly,
+    // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE
+    // which is not sunken at all under Windows XP -- rather, just the default)
+    return wxBORDER_SUNKEN;
+}

 
 

-        return TRUE;
+WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    long msStyle = wxWindow::MSWGetStyle(style, exstyle);
+
+    if ( AcceptsFocus() )
+    {
+        msStyle |= WS_TABSTOP;

     }
     }

-    else
-#endif // WXWIN_COMPATIBILITY

 
 

+    return msStyle;
+}
+
+wxSize wxControl::DoGetBestSize() const
+{
+    return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
+}
+
+/* static */ wxVisualAttributes
+wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    wxVisualAttributes attrs;
+
+    // old school (i.e. not "common") controls use the standard dialog font
+    // by default
+    attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+
+    // most, or at least many, of the controls use the same colours as the
+    // buttons -- others will have to override this (and possibly simply call
+    // GetCompositeControlsDefaultAttributes() from their versions)
+    attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT);
+    attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+
+    return attrs;
+}
+
+// another version for the "composite", i.e. non simple controls
+/* static */ wxVisualAttributes
+wxControl::GetCompositeControlsDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    wxVisualAttributes attrs;
+    attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+    attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+    attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+
+    return attrs;
+}
+
+// ----------------------------------------------------------------------------
+// message handling
+// ----------------------------------------------------------------------------
+
+bool wxControl::ProcessCommand(wxCommandEvent& event)
+{

     return GetEventHandler()->ProcessEvent(event);
 }
 
     return GetEventHandler()->ProcessEvent(event);
 }
 


@@ -78,10 +249,10 @@ bool wxControl::MSWOnNotify(int idCtrl,
                             WXLPARAM lParam,
                             WXLPARAM* result)
 {
                             WXLPARAM lParam,
                             WXLPARAM* result)
 {

-    wxCommandEvent event(wxEVT_NULL, m_windowId);

     wxEventType eventType = wxEVT_NULL;
     wxEventType eventType = wxEVT_NULL;

-    NMHDR *hdr1 = (NMHDR*) lParam;
-    switch ( hdr1->code )
+
+    NMHDR *hdr = (NMHDR*) lParam;
+    switch ( hdr->code )

     {
         case NM_CLICK:
             eventType = wxEVT_COMMAND_LEFT_CLICK;
     {
         case NM_CLICK:
             eventType = wxEVT_COMMAND_LEFT_CLICK;


@@ -115,6 +286,7 @@ bool wxControl::MSWOnNotify(int idCtrl,
             return wxWindow::MSWOnNotify(idCtrl, lParam, result);
     }
 
             return wxWindow::MSWOnNotify(idCtrl, lParam, result);
     }
 

+    wxCommandEvent event(wxEVT_NULL, m_windowId);

     event.SetEventType(eventType);
     event.SetEventObject(this);
 
     event.SetEventType(eventType);
     event.SetEventObject(this);
 


@@ -124,28 +296,67 @@ bool wxControl::MSWOnNotify(int idCtrl,
 
 void wxControl::OnEraseBackground(wxEraseEvent& event)
 {
 
 void wxControl::OnEraseBackground(wxEraseEvent& event)
 {

-    // In general, you don't want to erase the background of a control,
-    // or you'll get a flicker.
-    // TODO: move this 'null' function into each control that
-    // might flicker.
+    // notice that this 'dumb' implementation may cause flicker for some of the
+    // controls in which case they should intercept wxEraseEvent and process it
+    // themselves somehow

 
     RECT rect;
 
     RECT rect;

-    ::GetClientRect((HWND) GetHWND(), &rect);
+    ::GetClientRect(GetHwnd(), &rect);
+
+    HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour()));

 
 

-    HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(),
-                                                  GetBackgroundColour().Green(),
-                                                  GetBackgroundColour().Blue()));
-    int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
+    HDC hdc = GetHdcOf((*event.GetDC()));

 
 

-    ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
+#ifndef __WXWINCE__
+    int mode = ::SetMapMode(hdc, MM_TEXT);
+#endif
+
+    ::FillRect(hdc, &rect, hBrush);

     ::DeleteObject(hBrush);
     ::DeleteObject(hBrush);

-    ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
+
+#ifndef __WXWINCE__
+    ::SetMapMode(hdc, mode);
+#endif
+}
+
+WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
+                               WXUINT message,
+                               WXWPARAM wParam,
+                               WXLPARAM lParam
+#else
+                               WXUINT WXUNUSED(message),
+                               WXWPARAM WXUNUSED(wParam),
+                               WXLPARAM WXUNUSED(lParam)
+#endif
+    )
+{
+#if wxUSE_CTL3D
+    if ( m_useCtl3D )
+    {
+        HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
+        return (WXHBRUSH) hbrush;
+    }
+#endif // wxUSE_CTL3D
+
+    HDC hdc = (HDC)pDC;
+    wxColour colBack = GetBackgroundColour();
+
+    ::SetBkColor(hdc, wxColourToRGB(colBack));
+    ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+
+    wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+
+    return (WXHBRUSH)brush->GetResourceHandle();

 }
 
 // ---------------------------------------------------------------------------
 // global functions
 // ---------------------------------------------------------------------------
 
 }
 
 // ---------------------------------------------------------------------------
 // global functions
 // ---------------------------------------------------------------------------
 

+// this is used in radiobox.cpp and slider95.cpp and should be removed as soon
+// as it is not needed there any more!
+//

 // Call this repeatedly for several wnds to find the overall size
 // of the widget.
 // Call it initially with -1 for all values in rect.
 // Call this repeatedly for several wnds to find the overall size
 // of the widget.
 // Call it initially with -1 for all values in rect.


@@ -176,3 +387,4 @@ void wxFindMaxSize(WXHWND wnd, RECT *rect)
         rect->bottom = bottom;
 }
 
         rect->bottom = bottom;
 }
 

+#endif // wxUSE_CONTROLS