]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/control.cpp
fixes return values of wxSemaphore::TryWait() and WaitTimeout() to behave as documented
[wxWidgets.git] / src / msw / control.cpp
index 3ae9f711d211cce38bbf0caf2f87435b3ee5f51f..4eb36ecd3a7fa85a9a2dd4e7a10d285ef5922aa8 100644 (file)
@@ -1,55 +1,53 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        control.cpp
+// Name:        msw/control.cpp
 // 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
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
-#pragma implementation "control.h"
+    #pragma implementation "control.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_CONTROLS
+
 #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"
 #endif
 
 #include "wx/control.h"
 
 #include "wx/msw/private.h"
 
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
-#include <commctrl.h>
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+    #include <commctrl.h>
 #endif
 
-#if !USE_SHARED_LIBRARY
 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;
-
 #if WXWIN_COMPATIBILITY
-  m_callback = 0;
+    m_callback = 0;
 #endif // WXWIN_COMPATIBILITY
 }
 
@@ -58,15 +56,76 @@ wxControl::~wxControl()
     m_isBeingDeleted = TRUE;
 }
 
-bool wxControl::MSWCreateControl(const wxChar *classname, WXDWORD style)
+
+bool wxControl::Create(wxWindow *parent,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       long style,
+                       const wxValidator& 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)
+{
+    // want3D tells us whether or not the style specified a 3D border.
+    // If so, under WIN16 we can use Ctl3D to give it an appropriate style.
+    // Sometimes want3D is used to indicate that the non-extended style should have
+    // WS_BORDER.
+    bool want3D = TRUE;
+
+    // if no extended style given, determine it ourselves
+    if ( exstyle == (WXDWORD)-1 )
+    {
+        exstyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
+    }
+
+    // all controls should have this style
+    style |= WS_CHILD;
+
+    // create the control visible if it's currently shown for wxWindows
+    if ( m_isShown )
+    {
+        style |= WS_VISIBLE;
+    }
+
+    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;
+
     m_hWnd = (WXHWND)::CreateWindowEx
                        (
-                        GetExStyle(style),  // extended style
+                        exstyle,            // extended style
                         classname,          // the kind of control to create
-                        NULL,               // the window name
+                        label,              // the window name
                         style,              // the window style
-                        0, 0, 0, 0,         // the window position and size
+                        x, y, w, h,         // the window position and size
                         GetHwndOf(GetParent()),  // parent
                         (HMENU)GetId(),     // child id
                         wxGetInstance(),    // app instance
@@ -75,23 +134,36 @@ bool wxControl::MSWCreateControl(const wxChar *classname, WXDWORD style)
 
     if ( !m_hWnd )
     {
-#ifdef __WXDEBUG__
-        wxLogError(_T("Failed to create a control of class '%s'"), classname);
-#endif // DEBUG
+        wxLogDebug(wxT("Failed to create a control of class '%s'"), classname);
+        wxFAIL_MSG(_T("something is very wrong"));
 
         return FALSE;
     }
 
-    // subclass again for purposes of dialog editing mode
+#if wxUSE_CTL3D
+    if ( want3D )
+    {
+        Ctl3dSubclassCtl(GetHwnd());
+        m_useCtl3D = TRUE;
+    }
+#endif // wxUSE_CTL3D
+
+    // install wxWindows window proc for this window
     SubclassWin(m_hWnd);
 
     // controls use the same font and colours as their parent dialog by default
     InheritAttributes();
 
+    // set the size now if no initial size specified
+    if ( w <= 0 || h <= 0 )
+    {
+        SetBestSize(size);
+    }
+
     return TRUE;
 }
 
-wxSize wxControl::DoGetBestSize()
+wxSize wxControl::DoGetBestSize() const
 {
     return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
 }
@@ -101,7 +173,7 @@ bool wxControl::ProcessCommand(wxCommandEvent& event)
 #if WXWIN_COMPATIBILITY
     if ( m_callback )
     {
-        (void)(*m_callback)(this, event);
+        (void)(*m_callback)(*this, event);
 
         return TRUE;
     }
@@ -116,10 +188,10 @@ bool wxControl::MSWOnNotify(int idCtrl,
                             WXLPARAM lParam,
                             WXLPARAM* result)
 {
-    wxCommandEvent event(wxEVT_NULL, m_windowId);
     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;
@@ -153,6 +225,7 @@ bool wxControl::MSWOnNotify(int idCtrl,
             return wxWindow::MSWOnNotify(idCtrl, lParam, result);
     }
 
+    wxCommandEvent event(wxEVT_NULL, m_windowId);
     event.SetEventType(eventType);
     event.SetEventObject(this);
 
@@ -162,35 +235,69 @@ bool wxControl::MSWOnNotify(int idCtrl,
 
 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;
-    ::GetClientRect((HWND) GetHWND(), &rect);
+    ::GetClientRect(GetHwnd(), &rect);
 
-    HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(),
-                                                  GetBackgroundColour().Green(),
-                                                  GetBackgroundColour().Blue()));
-    int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
+    HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour()));
 
-    ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
+    HDC hdc = GetHdcOf((*event.GetDC()));
+    int mode = ::SetMapMode(hdc, MM_TEXT);
+
+    ::FillRect(hdc, &rect, hBrush);
     ::DeleteObject(hBrush);
-    ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
+    ::SetMapMode(hdc, mode);
+}
+
+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;
+    if (GetParent()->GetTransparentBackground())
+        SetBkMode(hdc, TRANSPARENT);
+    else
+        SetBkMode(hdc, OPAQUE);
+
+    wxColour colBack = GetBackgroundColour();
+
+    ::SetBkColor(hdc, wxColourToRGB(colBack));
+    ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+
+    wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+
+    return (WXHBRUSH)brush->GetResourceHandle();
 }
 
-WXDWORD wxControl::GetExStyle(WXDWORD& style) const
+WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
-    bool want3D;
-    WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
+    long msStyle = wxWindow::MSWGetStyle(style, exstyle);
 
-    // Even with extended styles, need to combine with WS_BORDER
-    // for them to look right.
-    if ( want3D || wxStyleHasBorder(m_windowStyle) )
-        style |= WS_BORDER;
+    if ( AcceptsFocus() )
+    {
+        msStyle |= WS_TABSTOP;
+    }
 
-    return exStyle;
+    return msStyle;
 }
 
 // ---------------------------------------------------------------------------
@@ -227,3 +334,4 @@ void wxFindMaxSize(WXHWND wnd, RECT *rect)
         rect->bottom = bottom;
 }
 
+#endif // wxUSE_CONTROLS