X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a23fd0e1d1329a4a258b4defb3e0b0001b700c6e..2dace059ee7aefeea0f2b843f1808b117f112795:/src/msw/control.cpp diff --git a/src/msw/control.cpp b/src/msw/control.cpp index 542d3d7b08..75047d806d 100644 --- a/src/msw/control.cpp +++ b/src/msw/control.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: control.cpp +// Name: msw/control.cpp // Purpose: wxControl class // Author: Julian Smart // Modified by: @@ -10,113 +10,151 @@ ///////////////////////////////////////////////////////////////////////////// #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__) -#include -#endif - -#ifdef GetCharWidth -#undef GetCharWidth -#undef GetWindowProc +#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) + #include #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(void) +wxControl::wxControl() { - m_backgroundColour = *wxWHITE; - m_foregroundColour = *wxBLACK; - m_callback = 0; -// m_windowCursor = wxNullCursor; // To avoid the standard cursor being used + m_backgroundColour = *wxWHITE; + m_foregroundColour = *wxBLACK; + +#if WXWIN_COMPATIBILITY + m_callback = 0; +#endif // WXWIN_COMPATIBILITY } -wxControl::~wxControl(void) +wxControl::~wxControl() { - m_isBeingDeleted = TRUE; - - // If we delete an item, we should initialize the parent panel, - // because it could now be invalid. - wxWindow *parent = (wxWindow *)GetParent(); - if (parent) - { - if (parent->GetDefaultItem() == (wxButton*) this) - parent->SetDefaultItem(NULL); - } + m_isBeingDeleted = TRUE; } -void wxControl::SetLabel(const wxString& label) + +bool wxControl::Create(wxWindow *parent, wxWindowID id, + const wxPoint& pos, + const wxSize& size, long style, + const wxValidator& validator, + const wxString& name) { - if (GetHWND()) - SetWindowText((HWND) GetHWND(), (const char *)label); + bool rval = wxWindow::Create(parent, id, pos, size, style, name); + if (rval) { +#if wxUSE_VALIDATORS + SetValidator(validator); +#endif + } + return rval; } -wxString wxControl::GetLabel(void) const +bool wxControl::MSWCreateControl(const wxChar *classname, + WXDWORD style, + const wxPoint& pos, + const wxSize& size, + const wxString& label, + WXDWORD exstyle) { - wxBuffer[0] = 0; - if (GetHWND()) + // 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 ) { - int len = GetWindowText((HWND)GetHWND(), wxBuffer, 256); - wxBuffer[len] = 0; + exstyle = GetExStyle(style, &want3D); } - return wxString(wxBuffer); -} + // all controls have these styles (wxWindows creates all controls visible + // by default) + style |= WS_CHILD | WS_VISIBLE; + + m_hWnd = (WXHWND)::CreateWindowEx + ( + exstyle, // extended style + classname, // the kind of control to create + label, // the window name + style, // the window style + pos.x, pos.y, // the window position + size.x, size.y, // 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")); -// Call this repeatedly for several wnds to find the overall size -// of the widget. -// Call it initially with -1 for all values in rect. -// Keep calling for other widgets, and rect will be modified -// to calculate largest bounding rectangle. -void wxFindMaxSize(WXHWND wnd, RECT *rect) -{ - int left = rect->left; - int right = rect->right; - int top = rect->top; - int bottom = rect->bottom; + return FALSE; + } - GetWindowRect((HWND) wnd, rect); +#if wxUSE_CTL3D + if ( want3D ) + { + Ctl3dSubclassCtl(GetHwnd()); + m_useCtl3D = TRUE; + } +#endif // wxUSE_CTL3D - if (left < 0) - return; + // subclass again for purposes of dialog editing mode + SubclassWin(m_hWnd); - if (left < rect->left) - rect->left = left; + // controls use the same font and colours as their parent dialog by default + InheritAttributes(); - if (right > rect->right) - rect->right = right; + return TRUE; +} - if (top < rect->top) - rect->top = top; +wxSize wxControl::DoGetBestSize() const +{ + return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); +} + +bool wxControl::ProcessCommand(wxCommandEvent& event) +{ +#if WXWIN_COMPATIBILITY + if ( m_callback ) + { + (void)(*m_callback)(*this, event); - if (bottom > rect->bottom) - rect->bottom = bottom; + return TRUE; + } + else +#endif // WXWIN_COMPATIBILITY + return GetEventHandler()->ProcessEvent(event); } #ifdef __WIN95__ @@ -168,70 +206,105 @@ bool wxControl::MSWOnNotify(int idCtrl, } #endif // Win95 -void wxControl::ProcessCommand (wxCommandEvent & event) +void wxControl::OnEraseBackground(wxEraseEvent& event) +{ + // 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(GetHwnd(), &rect); + + HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour())); + + HDC hdc = GetHdcOf((*event.GetDC())); + int mode = ::SetMapMode(hdc, MM_TEXT); + + ::FillRect(hdc, &rect, hBrush); + ::DeleteObject(hBrush); + ::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 + ) { - // Tries: - // 1) A callback function (to become obsolete) - // 2) OnCommand, starting at this window and working up parent hierarchy - // 3) OnCommand then calls ProcessEvent to search the event tables. - if (m_callback) +#if wxUSE_CTL3D + if ( m_useCtl3D ) { - (void) (*(m_callback)) (*this, event); + HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); + return (WXHBRUSH) hbrush; } +#endif // wxUSE_CTL3D + + HDC hdc = (HDC)pDC; + if (GetParent()->GetTransparentBackground()) + SetBkMode(hdc, TRANSPARENT); else - { - GetEventHandler()->OnCommand(*this, event); - } -} + SetBkMode(hdc, OPAQUE); -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. + wxColour colBack = GetBackgroundColour(); - RECT rect; - ::GetClientRect((HWND) GetHWND(), &rect); + ::SetBkColor(hdc, wxColourToRGB(colBack)); + ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); - HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT); + wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); - ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode); + return (WXHBRUSH)brush->GetResourceHandle(); } -void wxControl::SetClientSize (int width, int height) +WXDWORD wxControl::GetExStyle(WXDWORD& style, bool *want3D) const { - SetSize (-1, -1, width, height); + WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, want3D); + + // Even with extended styles, need to combine with WS_BORDER for them to + // look right. + if ( *want3D || wxStyleHasBorder(m_windowStyle) ) + style |= WS_BORDER; + + return exStyle; } -void wxControl::Centre (int direction) +// --------------------------------------------------------------------------- +// global functions +// --------------------------------------------------------------------------- + +// Call this repeatedly for several wnds to find the overall size +// of the widget. +// Call it initially with -1 for all values in rect. +// Keep calling for other widgets, and rect will be modified +// to calculate largest bounding rectangle. +void wxFindMaxSize(WXHWND wnd, RECT *rect) { - int x, y, width, height, panel_width, panel_height, new_x, new_y; + int left = rect->left; + int right = rect->right; + int top = rect->top; + int bottom = rect->bottom; - wxWindow *parent = (wxWindow *) GetParent (); - if (!parent) - return; + GetWindowRect((HWND) wnd, rect); - parent->GetClientSize (&panel_width, &panel_height); - GetSize (&width, &height); - GetPosition (&x, &y); + if (left < 0) + return; - new_x = x; - new_y = y; + if (left < rect->left) + rect->left = left; - if (direction & wxHORIZONTAL) - new_x = (int) ((panel_width - width) / 2); + if (right > rect->right) + rect->right = right; - if (direction & wxVERTICAL) - new_y = (int) ((panel_height - height) / 2); + if (top < rect->top) + rect->top = top; - SetSize (new_x, new_y, width, height); - int temp_x, temp_y; - GetPosition (&temp_x, &temp_y); - GetPosition (&temp_x, &temp_y); + if (bottom > rect->bottom) + rect->bottom = bottom; } - +#endif // wxUSE_CONTROLS