X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/222594ead7a8ed85cb0c709850b2eed07fc3ac86..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/msw/control.cpp?ds=sidebyside diff --git a/src/msw/control.cpp b/src/msw/control.cpp index 17c62f087c..fa9989fb1c 100644 --- a/src/msw/control.cpp +++ b/src/msw/control.cpp @@ -1,61 +1,104 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: control.cpp +// Name: src/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" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_CONTROLS + +#include "wx/control.h" + #ifndef WX_PRECOMP -#include "wx/event.h" -#include "wx/app.h" -#include "wx/dcclient.h" + #include "wx/msw/wrapcctl.h" // include "properly" + #include "wx/event.h" + #include "wx/app.h" + #include "wx/dcclient.h" + #include "wx/log.h" + #include "wx/settings.h" + #include "wx/ctrlsub.h" #endif -#include "wx/control.h" +#if wxUSE_LISTCTRL + #include "wx/listctrl.h" +#endif // wxUSE_LISTCTRL + +#if wxUSE_TREECTRL + #include "wx/treectrl.h" +#endif // wxUSE_TREECTRL #include "wx/msw/private.h" +#include "wx/msw/uxtheme.h" -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) -#include -#endif +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow) -BEGIN_EVENT_TABLE(wxControl, wxWindow) - EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground) -END_EVENT_TABLE() -#endif +// ============================================================================ +// wxControl implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxControl ctor/dtor +// ---------------------------------------------------------------------------- -// Item members -wxControl::wxControl() +wxControl::~wxControl() { - m_backgroundColour = *wxWHITE; - m_foregroundColour = *wxBLACK; + m_isBeingDeleted = true; +} -#if WXWIN_COMPATIBILITY - m_callback = 0; -#endif // WXWIN_COMPATIBILITY +// ---------------------------------------------------------------------------- +// 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; } -wxControl::~wxControl() +bool wxControl::MSWCreateControl(const wxChar *classname, + const wxString& label, + const wxPoint& pos, + const wxSize& size) { - m_isBeingDeleted = TRUE; + WXDWORD exstyle; + WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle); + + return MSWCreateControl(classname, msStyle, pos, size, label, exstyle); } bool wxControl::MSWCreateControl(const wxChar *classname, @@ -65,28 +108,42 @@ bool wxControl::MSWCreateControl(const wxChar *classname, const wxString& label, WXDWORD exstyle) { - // VZ: if someone could put a comment here explaining what exactly this is - // needed for, it would be nice... - bool want3D; - // if no extended style given, determine it ourselves if ( exstyle == (WXDWORD)-1 ) { - exstyle = GetExStyle(style, &want3D); + exstyle = 0; + (void) MSWGetStyle(GetWindowStyle(), &exstyle); } - // all controls have these childs (wxWindows creates all controls visible - // by default) - style |= WS_CHILD | WS_VISIBLE; + // 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: we have a problem with default size + // here as we can't calculate the best size before the control exists + // (DoGetBestSize() may need to use m_hWnd), so just choose the minimal + // possible but non 0 size because 0 window width/height result in problems + // elsewhere + int x = pos.x == wxDefaultCoord ? 0 : pos.x, + y = pos.y == wxDefaultCoord ? 0 : pos.y, + w = size.x == wxDefaultCoord ? 1 : size.x, + h = size.y == wxDefaultCoord ? 1 : size.y; + + // ... and adjust it to account for a possible parent frames toolbar + AdjustForParentClientOrigin(x, y); m_hWnd = (WXHWND)::CreateWindowEx ( exstyle, // extended style classname, // the kind of control to create - label, // the window name + label.wx_str(), // the window name style, // the window style - pos.x, pos.y, // the window position - size.x, size.y, // and size + x, y, w, h, // the window position and size GetHwndOf(GetParent()), // parent (HMENU)GetId(), // child id wxGetInstance(), // app instance @@ -96,58 +153,179 @@ bool wxControl::MSWCreateControl(const wxChar *classname, if ( !m_hWnd ) { #ifdef __WXDEBUG__ - wxLogError(wxT("Failed to create a control of class '%s'"), classname); -#endif // DEBUG - - return FALSE; + wxFAIL_MSG(wxString::Format + ( + _T("CreateWindowEx(\"%s\", flags=%08x, ex=%08x) failed"), + classname, (unsigned int)style, (unsigned int)exstyle + )); +#endif // __WXDEBUG__ + + return false; } -#if wxUSE_CTL3D - if ( want3D ) - { - Ctl3dSubclassCtl(GetHwnd()); - m_useCtl3D = TRUE; - } -#endif // wxUSE_CTL3D + // saving the label in m_labelOrig to return it verbatim + // later in GetLabel() + m_labelOrig = label; - // subclass again for purposes of dialog editing mode + // install wxWidgets window proc for this window SubclassWin(m_hWnd); - // controls use the same font and colours as their parent dialog by default + // set up fonts and colours InheritAttributes(); + if ( !m_hasFont ) + { + bool setFont = true; + + wxFont font = GetDefaultAttributes().font; + + // if we set a font for {list,tree}ctrls and the font size is changed in + // the display properties then the font size for these controls doesn't + // automatically adjust when they receive WM_SETTINGCHANGE + + // FIXME: replace the dynamic casts with virtual function calls!! +#if wxUSE_LISTCTRL || wxUSE_TREECTRL + bool testFont = false; +#if wxUSE_LISTCTRL + if ( wxDynamicCastThis(wxListCtrl) ) + testFont = true; +#endif // wxUSE_LISTCTRL +#if wxUSE_TREECTRL + if ( wxDynamicCastThis(wxTreeCtrl) ) + testFont = true; +#endif // wxUSE_TREECTRL + + if ( testFont ) + { + // not sure if we need to explicitly set the font here for Win95/NT4 + // but we definitely can't do it for any newer version + // see wxGetCCDefaultFont() in src/msw/settings.cpp for explanation + // of why this test works + + // TODO: test Win95/NT4 to see if this is needed or breaks the + // font resizing as it does on newer versions + if ( font != wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) ) + { + setFont = false; + } + } +#endif // wxUSE_LISTCTRL || wxUSE_TREECTRL + + if ( setFont ) + { + SetFont(GetDefaultAttributes().font); + } + } + + // set the size now if no initial size specified + SetInitialSize(size); + + return true; +} + +// ---------------------------------------------------------------------------- +// various accessors +// ---------------------------------------------------------------------------- + +WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + long msStyle = wxWindow::MSWGetStyle(style, exstyle); + + if ( AcceptsFocusFromKeyboard() ) + { + msStyle |= WS_TABSTOP; + } - return TRUE; + return msStyle; } -wxSize wxControl::DoGetBestSize() +wxSize wxControl::DoGetBestSize() const { return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); } -bool wxControl::ProcessCommand(wxCommandEvent& event) +wxBorder wxControl::GetDefaultBorder() const { -#if WXWIN_COMPATIBILITY - if ( m_callback ) - { - (void)(*m_callback)(this, event); + return wxControlBase::GetDefaultBorder(); +} - return TRUE; - } +// This is a helper for all wxControls made with UPDOWN native control. +// In wxMSW it was only wxSpinCtrl derived from wxSpinButton but in +// WinCE of Smartphones this happens also for native wxTextCtrl, +// wxChoice and others. +wxSize wxControl::GetBestSpinnerSize(const bool is_vertical) const +{ + // take size according to layout + wxSize bestSize( +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + 0,GetCharHeight() +#else + ::GetSystemMetrics(is_vertical ? SM_CXVSCROLL : SM_CXHSCROLL), + ::GetSystemMetrics(is_vertical ? SM_CYVSCROLL : SM_CYHSCROLL) +#endif + ); + + // correct size as for undocumented MSW variants cases (WinCE and perhaps others) + if (bestSize.x==0) + bestSize.x = bestSize.y; + if (bestSize.y==0) + bestSize.y = bestSize.x; + + // double size according to layout + if (is_vertical) + bestSize.y *= 2; else -#endif // WXWIN_COMPATIBILITY + bestSize.x *= 2; - return GetEventHandler()->ProcessEvent(event); + return bestSize; +} + +/* 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 HandleWindowEvent(event); } -#ifdef __WIN95__ 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 ) + wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL); + + NMHDR *hdr = (NMHDR*) lParam; + switch ( hdr->code ) { case NM_CLICK: eventType = wxEVT_COMMAND_LEFT_CLICK; @@ -181,52 +359,120 @@ bool wxControl::MSWOnNotify(int idCtrl, return wxWindow::MSWOnNotify(idCtrl, lParam, result); } + wxCommandEvent event(wxEVT_NULL, m_windowId); event.SetEventType(eventType); event.SetEventObject(this); - return GetEventHandler()->ProcessEvent(event); + return HandleWindowEvent(event); } -#endif // Win95 -void wxControl::OnEraseBackground(wxEraseEvent& event) +WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd) { - // 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. + HDC hdc = (HDC)pDC; + if ( m_hasFgCol ) + { + ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + } + + WXHBRUSH hbr = 0; + if ( !colBg.Ok() ) + { + hbr = MSWGetBgBrush(pDC, hWnd); + + // if the control doesn't have any bg colour, foreground colour will be + // ignored as the return value would be 0 -- so forcefully give it a + // non default background brush in this case + if ( !hbr && m_hasFgCol ) + colBg = GetBackgroundColour(); + } - RECT rect; - ::GetClientRect(GetHwnd(), &rect); + // use the background colour override if a valid colour is given + if ( colBg.Ok() ) + { + ::SetBkColor(hdc, wxColourToRGB(colBg)); + + // draw children with the same colour as the parent + wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg, wxSOLID); + + hbr = (WXHBRUSH)brush->GetResourceHandle(); + + } + + // if we use custom background, we should set foreground ourselves too + if ( hbr && !m_hasFgCol ) + { + ::SetTextColor(hdc, ::GetSysColor(COLOR_WINDOWTEXT)); + } + //else: already set above + + return hbr; +} + +WXHBRUSH wxControl::MSWControlColor(WXHDC pDC, WXHWND hWnd) +{ + wxColour colBg; - HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour())); + if ( HasTransparentBackground() ) + ::SetBkMode((HDC)pDC, TRANSPARENT); + else // if the control is opaque it shouldn't use the parents background + colBg = GetBackgroundColour(); - HDC hdc = GetHdcOf((*event.GetDC())); - int mode = ::SetMapMode(hdc, MM_TEXT); + return DoMSWControlColor(pDC, colBg, hWnd); +} - ::FillRect(hdc, &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode(hdc, mode); +WXHBRUSH wxControl::MSWControlColorDisabled(WXHDC pDC) +{ + return DoMSWControlColor(pDC, + wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), + GetHWND()); } -WXDWORD wxControl::GetExStyle(WXDWORD& style, bool *want3D) const +// ---------------------------------------------------------------------------- +// wxControlWithItems +// ---------------------------------------------------------------------------- + +void wxControlWithItems::MSWAllocStorage(const wxArrayStringsAdapter& items, + unsigned wm) { - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, want3D); + const unsigned numItems = items.GetCount(); + unsigned long totalTextLength = numItems; // for trailing '\0' characters + for ( unsigned i = 0; i < numItems; ++i ) + { + totalTextLength += items[i].length(); + } + + if ( SendMessage((HWND)MSWGetItemsHWND(), wm, numItems, + (LPARAM)totalTextLength*sizeof(wxChar)) == LB_ERRSPACE ) + { + wxLogLastError(wxT("SendMessage(XX_INITSTORAGE)")); + } +} - // Even with extended styles, need to combine with WS_BORDER for them to - // look right. - if ( *want3D || wxStyleHasBorder(m_windowStyle) ) - style |= WS_BORDER; +int wxControlWithItems::MSWInsertOrAppendItem(unsigned pos, + const wxString& item, + unsigned wm) +{ + LRESULT n = SendMessage((HWND)MSWGetItemsHWND(), wm, pos, + (LPARAM)item.wx_str()); + if ( n == CB_ERR || n == CB_ERRSPACE ) + { + wxLogLastError(wxT("SendMessage(XX_ADD/INSERTSTRING)")); + return wxNOT_FOUND; + } - return exStyle; + return n; } // --------------------------------------------------------------------------- // 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 it initially with wxDefaultCoord 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) @@ -254,3 +500,4 @@ void wxFindMaxSize(WXHWND wnd, RECT *rect) rect->bottom = bottom; } +#endif // wxUSE_CONTROLS