X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a23fd0e1d1329a4a258b4defb3e0b0001b700c6e..276c8cfb5326cd365f48a51972f43ff355a2707d:/src/msw/control.cpp diff --git a/src/msw/control.cpp b/src/msw/control.cpp index 542d3d7b08..cb662e9ad9 100644 --- a/src/msw/control.cpp +++ b/src/msw/control.cpp @@ -1,122 +1,279 @@ ///////////////////////////////////////////////////////////////////////////// -// 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" +// ============================================================================ +// 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__ -#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" + #include "wx/settings.h" #endif #include "wx/control.h" #include "wx/msw/private.h" -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) -#include +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) + #include #endif -#ifdef GetCharWidth -#undef GetCharWidth -#undef GetWindowProc -#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 +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxControl ctor/dtor +// ---------------------------------------------------------------------------- + +wxControl::~wxControl() +{ + m_isBeingDeleted = true; +} + +// ---------------------------------------------------------------------------- +// 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(void) + return true; +} + +bool wxControl::MSWCreateControl(const wxChar *classname, + const wxString& label, + const wxPoint& pos, + const wxSize& size) { - m_backgroundColour = *wxWHITE; - m_foregroundColour = *wxBLACK; - m_callback = 0; -// m_windowCursor = wxNullCursor; // To avoid the standard cursor being used + WXDWORD exstyle; + WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle); + + return MSWCreateControl(classname, msStyle, pos, size, label, exstyle); } -wxControl::~wxControl(void) +bool wxControl::MSWCreateControl(const wxChar *classname, + WXDWORD style, + const wxPoint& pos, + const wxSize& size, + const wxString& label, + WXDWORD exstyle) { - 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); - } + // 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 + int x = pos.x == wxDefaultCoord ? 0 : pos.x, + y = pos.y == wxDefaultCoord ? 0 : pos.y, + w = size.x == wxDefaultCoord ? 0 : size.x, + h = size.y == wxDefaultCoord ? 0 : 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 + 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, CreateWindowEx failed")); + + 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(); + if (!m_hasFont) + SetFont(GetDefaultAttributes().font); + + // set the size now if no initial size specified + SetInitialBestSize(size); + + return true; } -void wxControl::SetLabel(const wxString& label) +// ---------------------------------------------------------------------------- +// various accessors +// ---------------------------------------------------------------------------- + +wxBorder wxControl::GetDefaultBorder() const { - if (GetHWND()) - SetWindowText((HWND) GetHWND(), (const char *)label); + // 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; } -wxString wxControl::GetLabel(void) const +WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const { - wxBuffer[0] = 0; - if (GetHWND()) + long msStyle = wxWindow::MSWGetStyle(style, exstyle); + + if ( AcceptsFocus() ) { - int len = GetWindowText((HWND)GetHWND(), wxBuffer, 256); - wxBuffer[len] = 0; + msStyle |= WS_TABSTOP; } - return wxString(wxBuffer); + return msStyle; } -// 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) +wxSize wxControl::DoGetBestSize() const +{ + return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); +} + +// 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::GetBestSpinerSize(const bool is_vertical) const { - int left = rect->left; - int right = rect->right; - int top = rect->top; - int bottom = rect->bottom; + // take size according to layout + wxSize bestSize( +#ifdef __SMARTPHONE__ + 0,GetCharHeight() +#else // !__SMARTPHONE__ + GetSystemMetrics(is_vertical ? SM_CXVSCROLL : SM_CXHSCROLL), + GetSystemMetrics(is_vertical ? SM_CYVSCROLL : SM_CYHSCROLL) +#endif // __SMARTPHONE__/!__SMARTPHONE__ + ); + + // 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 + bestSize.x *= 2; - GetWindowRect((HWND) wnd, rect); + return bestSize; +} - if (left < 0) - return; +/* static */ wxVisualAttributes +wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + wxVisualAttributes attrs; - if (left < rect->left) - rect->left = left; + // old school (i.e. not "common") controls use the standard dialog font + // by default + attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); - if (right > rect->right) - rect->right = right; + // 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); - if (top < rect->top) - rect->top = top; + return attrs; +} - if (bottom > rect->bottom) - rect->bottom = bottom; +// 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); } #ifdef __WIN95__ @@ -124,10 +281,10 @@ 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 ) + wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL); + + NMHDR *hdr = (NMHDR*) lParam; + switch ( hdr->code ) { case NM_CLICK: eventType = wxEVT_COMMAND_LEFT_CLICK; @@ -161,6 +318,7 @@ bool wxControl::MSWOnNotify(int idCtrl, return wxWindow::MSWOnNotify(idCtrl, lParam, result); } + wxCommandEvent event(wxEVT_NULL, m_windowId); event.SetEventType(eventType); event.SetEventObject(this); @@ -168,70 +326,97 @@ bool wxControl::MSWOnNotify(int idCtrl, } #endif // Win95 -void wxControl::ProcessCommand (wxCommandEvent & event) -{ - // 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) - { - (void) (*(m_callback)) (*this, event); - } - else - { - GetEventHandler()->OnCommand(*this, 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; + ::GetClientRect(GetHwnd(), &rect); + + HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour())); - RECT rect; - ::GetClientRect((HWND) GetHWND(), &rect); + HDC hdc = GetHdcOf((*event.GetDC())); + +#ifndef __WXWINCE__ + int mode = ::SetMapMode(hdc, MM_TEXT); +#endif - HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT); + ::FillRect(hdc, &rect, hBrush); + ::DeleteObject(hBrush); - ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode); +#ifndef __WXWINCE__ + ::SetMapMode(hdc, mode); +#endif } -void wxControl::SetClientSize (int width, int height) +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 + ) { - SetSize (-1, -1, width, height); +#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(); } -void wxControl::Centre (int direction) +// --------------------------------------------------------------------------- +// 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 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) { - 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