/////////////////////////////////////////////////////////////////////////////
-// 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/log.h"
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "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_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
- #include <commctrl.h>
-#endif
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
-BEGIN_EVENT_TABLE(wxControl, wxWindow)
- EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
-END_EVENT_TABLE()
-
-// Item members
-wxControl::wxControl()
-{
- m_backgroundColour = *wxWHITE;
- m_foregroundColour = *wxBLACK;
+// ============================================================================
+// wxControl implementation
+// ============================================================================
-#if WXWIN_COMPATIBILITY
- m_callback = 0;
-#endif // WXWIN_COMPATIBILITY
-}
+// ----------------------------------------------------------------------------
+// wxControl ctor/dtor
+// ----------------------------------------------------------------------------
wxControl::~wxControl()
{
- m_isBeingDeleted = TRUE;
+ m_isBeingDeleted = true;
}
+// ----------------------------------------------------------------------------
+// control window creation
+// ----------------------------------------------------------------------------
-bool wxControl::Create(wxWindow *parent, wxWindowID id,
+bool wxControl::Create(wxWindow *parent,
+ wxWindowID id,
const wxPoint& pos,
- const wxSize& size, long style,
- const wxValidator& validator,
+ const wxSize& size,
+ long style,
+ const wxValidator& wxVALIDATOR_PARAM(validator),
const wxString& name)
{
- bool rval = wxWindow::Create(parent, id, pos, size, style, name);
- if (rval) {
+ if ( !wxWindow::Create(parent, id, pos, size, style, name) )
+ return false;
+
#if wxUSE_VALIDATORS
- SetValidator(validator);
+ SetValidator(validator);
#endif
- }
- return rval;
+
+ 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,
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 = GetExStyle(style, &want3D);
+ exstyle = 0;
+ (void) MSWGetStyle(GetWindowStyle(), &exstyle);
}
- // all controls have these styles (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
- GetHwndOf(GetParent()), // parent
- (HMENU)GetId(), // child id
+ 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 )
{
- wxLogDebug(wxT("Failed to create a control of class '%s'"), classname);
- wxFAIL_MSG(_T("something is very wrong"));
+#ifdef __WXDEBUG__
+ wxLogLastError(wxString::Format
+ (
+ _T("CreateWindowEx(\"%s\", flags=%08lx, ex=%08lx)"),
+ classname, style, exstyle
+ ));
+#endif // __WXDEBUG__
- return FALSE;
+ return false;
}
-#if wxUSE_CTL3D
- if ( want3D )
+#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 )
{
- Ctl3dSubclassCtl(GetHwnd());
- m_useCtl3D = TRUE;
+ 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);
+ }
}
-#endif // wxUSE_CTL3D
- // subclass again for purposes of dialog editing mode
- SubclassWin(m_hWnd);
+ // set the size now if no initial size specified
+ SetInitialSize(size);
- // controls use the same font and colours as their parent dialog by default
- InheritAttributes();
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// various accessors
+// ----------------------------------------------------------------------------
- return TRUE;
+WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ long msStyle = wxWindow::MSWGetStyle(style, exstyle);
+
+ if ( AcceptsFocusFromKeyboard() )
+ {
+ msStyle |= WS_TABSTOP;
+ }
+
+ return msStyle;
}
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 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 GetEventHandler()->ProcessEvent(event);
+ 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;
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)
{
- // 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
+ HDC hdc = (HDC)pDC;
+ if ( m_hasFgCol )
+ {
+ ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+ }
- RECT rect;
- ::GetClientRect(GetHwnd(), &rect);
+ WXHBRUSH hbr = 0;
+ if ( !colBg.Ok() )
+ {
+ hbr = MSWGetBgBrush(pDC, hWnd);
- HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour()));
+ // 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();
+ }
- HDC hdc = GetHdcOf((*event.GetDC()));
- int mode = ::SetMapMode(hdc, MM_TEXT);
+ // use the background colour override if a valid colour is given
+ if ( colBg.Ok() )
+ {
+ ::SetBkColor(hdc, wxColourToRGB(colBg));
- ::FillRect(hdc, &rect, hBrush);
- ::DeleteObject(hBrush);
- ::SetMapMode(hdc, mode);
-}
+ // draw children with the same colour as the parent
+ wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg,
+ wxBRUSHSTYLE_SOLID);
+ hbr = (WXHBRUSH)brush->GetResourceHandle();
+ }
-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 )
+ // if we use custom background, we should set foreground ourselves too
+ if ( hbr && !m_hasFgCol )
{
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
+ ::SetTextColor(hdc, ::GetSysColor(COLOR_WINDOWTEXT));
}
-#endif // wxUSE_CTL3D
+ //else: already set above
- HDC hdc = (HDC)pDC;
- if (GetParent()->GetTransparentBackground())
- SetBkMode(hdc, TRANSPARENT);
- else
- SetBkMode(hdc, OPAQUE);
+ return hbr;
+}
- wxColour colBack = GetBackgroundColour();
+WXHBRUSH wxControl::MSWControlColor(WXHDC pDC, WXHWND hWnd)
+{
+ wxColour colBg;
- ::SetBkColor(hdc, wxColourToRGB(colBack));
- ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+ if ( HasTransparentBackground() )
+ ::SetBkMode((HDC)pDC, TRANSPARENT);
+ else // if the control is opaque it shouldn't use the parents background
+ colBg = GetBackgroundColour();
- wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+ return DoMSWControlColor(pDC, colBg, hWnd);
+}
- return (WXHBRUSH)brush->GetResourceHandle();
+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();
+ }
- // Even with extended styles, need to combine with WS_BORDER for them to
- // look right.
- if ( *want3D || wxStyleHasBorder(m_windowStyle) )
- style |= WS_BORDER;
+ 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;
+ }
- 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)
rect->bottom = bottom;
}
+#endif // wxUSE_CONTROLS
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