X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4438caf41af49f00f3c8137ac801871f59cce386..51ec29ea5d1d1093bafbae27a8483211a90d9659:/src/msw/control.cpp diff --git a/src/msw/control.cpp b/src/msw/control.cpp index b8ccc63551..0d937c9016 100644 --- a/src/msw/control.cpp +++ b/src/msw/control.cpp @@ -1,92 +1,325 @@ ///////////////////////////////////////////////////////////////////////////// -// 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__) -#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() +// ============================================================================ +// wxControl implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// 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 -// Item members -wxControl::wxControl() + return true; +} + +bool wxControl::MSWCreateControl(const wxChar *classname, + const wxString& label, + const wxPoint& pos, + const wxSize& size) { - m_backgroundColour = *wxWHITE; - m_foregroundColour = *wxBLACK; + 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 no extended style given, determine it ourselves + if ( exstyle == (WXDWORD)-1 ) + { + 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: 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.wx_str(), // the window name + style, // the window style + x, y, w, h, // the window position and size + GetHwndOf(GetParent()), // parent + (HMENU)wxUIntToPtr(GetId()), // child id + wxGetInstance(), // app instance + NULL // creation parameters + ); + + if ( !m_hWnd ) + { + wxLogLastError(wxString::Format + ( + wxT("CreateWindowEx(\"%s\", flags=%08lx, ex=%08lx)"), + classname, style, exstyle + )); + + return false; + } + +#if !wxUSE_UNICODE + // Text labels starting with the character 0xff (which is a valid character + // in many code pages) don't appear correctly as CreateWindowEx() has some + // special treatment for this case, apparently the strings starting with -1 + // are not really strings but something called "ordinals". There is no + // documentation about it but the fact is that the label gets mangled or + // not displayed at all if we don't do this, see #9572. + // + // Notice that 0xffff is not a valid Unicode character so the problem + // doesn't arise in Unicode build. + if ( !label.empty() && label[0] == -1 ) + ::SetWindowText(GetHwnd(), label.wx_str()); +#endif // !wxUSE_UNICODE + + // saving the label in m_labelOrig to return it verbatim + // later in GetLabel() + m_labelOrig = label; + + // install wxWidgets window proc for this window + SubclassWin(m_hWnd); + + // 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); + } + } -#if WXWIN_COMPATIBILITY - m_callback = 0; -#endif // WXWIN_COMPATIBILITY + // set the size now if no initial size specified + SetInitialSize(size); + + return true; } -wxControl::~wxControl() +// ---------------------------------------------------------------------------- +// various accessors +// ---------------------------------------------------------------------------- + +WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const { - m_isBeingDeleted = TRUE; + long msStyle = wxWindow::MSWGetStyle(style, exstyle); + + if ( AcceptsFocusFromKeyboard() ) + { + msStyle |= WS_TABSTOP; + } + + return msStyle; } -wxSize wxControl::DoGetBestSize() +wxSize wxControl::DoGetBestSize() const { + if (m_windowSizer) + return wxControlBase::DoGetBestSize(); + 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; +} + +// ---------------------------------------------------------------------------- +// 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; @@ -120,40 +353,126 @@ 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; - RECT rect; - ::GetClientRect((HWND) GetHWND(), &rect); + WXHBRUSH hbr = 0; + if ( !colBg.IsOk() ) + { + if ( wxWindow *win = wxFindWinFromHandle(hWnd) ) + hbr = win->MSWGetBgBrush(pDC); + + // 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(); + } + + // use the background colour override if a valid colour is given: this is + // used when the control is disabled to grey it out and also if colBg was + // set just above + if ( colBg.IsOk() ) + { + wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg); + hbr = (WXHBRUSH)brush->GetResourceHandle(); + } - HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), - GetBackgroundColour().Green(), - GetBackgroundColour().Blue())); - int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT); + // always set the foreground colour if we changed the background, whether + // m_hasFgCol is true or not: if it true, we must do it, of course, but + // even if it isn't, we must set the default foreground explicitly as by + // default just the simple black is used + if ( hbr ) + { + ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + } + + // finally also set the background colour for text drawing: without this, + // the text in an edit control is drawn using the default background even + // if we return a valid brush + if ( colBg.IsOk() || m_hasBgCol ) + { + if ( !colBg.IsOk() ) + colBg = GetBackgroundColour(); + + ::SetBkColor(hdc, wxColourToRGB(colBg)); + } + + return hbr; +} + +WXHBRUSH wxControl::MSWControlColor(WXHDC pDC, WXHWND hWnd) +{ + if ( HasTransparentBackground() ) + ::SetBkMode((HDC)pDC, TRANSPARENT); + + // don't pass any background colour to DoMSWControlColor(), our own + // background colour will be used by it only if it is set, otherwise the + // defaults will be used + return DoMSWControlColor(pDC, wxColour(), hWnd); +} + +WXHBRUSH wxControl::MSWControlColorDisabled(WXHDC pDC) +{ + return DoMSWControlColor(pDC, + wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), + GetHWND()); +} + +// ---------------------------------------------------------------------------- +// wxControlWithItems +// ---------------------------------------------------------------------------- + +void wxControlWithItems::MSWAllocStorage(const wxArrayStringsAdapter& items, + unsigned wm) +{ + 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)")); + } +} + +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; + } - ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode); + 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) @@ -181,3 +500,4 @@ void wxFindMaxSize(WXHWND wnd, RECT *rect) rect->bottom = bottom; } +#endif // wxUSE_CONTROLS