// Modified by: Vadim Zeitlin on 13.05.99: complete refont of message handling,
// elimination of Default(), ...
// Created: 01/02/97
-// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WINDOW_H_
#define _WX_WINDOW_H_
-// ---------------------------------------------------------------------------
-// constants
-// ---------------------------------------------------------------------------
+#include "wx/settings.h" // solely for wxSystemColour
-#if WXWIN_COMPATIBILITY_2_4
-// they're unused by wxWidgets...
-enum
-{
- wxKEY_SHIFT = 1,
- wxKEY_CTRL = 2
-};
+// if this is set to 1, we use deferred window sizing to reduce flicker when
+// resizing complicated window hierarchies, but this can in theory result in
+// different behaviour than the old code so we keep the possibility to use it
+// by setting this to 0 (in the future this should be removed completely)
+#ifdef __WXWINCE__
+ #define wxUSE_DEFERRED_SIZING 0
+#else
+ #define wxUSE_DEFERRED_SIZING 1
#endif
// ---------------------------------------------------------------------------
// wxWindow declaration for MSW
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxWindowMSW : public wxWindowBase
+class WXDLLIMPEXP_CORE wxWindowMSW : public wxWindowBase
{
friend class wxSpinCtrl;
friend class wxSlider;
virtual void Raise();
virtual void Lower();
- virtual bool Show( bool show = true );
- virtual bool Enable( bool enable = true );
+ virtual bool BeginRepositioningChildren();
+ virtual void EndRepositioningChildren();
+
+ virtual bool Show(bool show = true);
+ virtual bool ShowWithEffect(wxShowEffect effect,
+ unsigned timeout = 0)
+ {
+ return MSWShowWithEffect(true, effect, timeout);
+ }
+ virtual bool HideWithEffect(wxShowEffect effect,
+ unsigned timeout = 0)
+ {
+ return MSWShowWithEffect(false, effect, timeout);
+ }
virtual void SetFocus();
virtual void SetFocusFromKbd();
virtual void Refresh( bool eraseBackground = true,
const wxRect *rect = (const wxRect *) NULL );
virtual void Update();
- virtual void Freeze();
- virtual void Thaw();
- virtual void SetWindowStyleFlag( long style );
+ virtual void SetWindowStyleFlag(long style);
+ virtual void SetExtraStyle(long exStyle);
virtual bool SetCursor( const wxCursor &cursor );
virtual bool SetFont( const wxFont &font );
virtual int GetCharHeight() const;
virtual int GetCharWidth() const;
- virtual void GetTextExtent(const wxString& string,
- int *x, int *y,
- int *descent = (int *) NULL,
- int *externalLeading = (int *) NULL,
- const wxFont *theFont = (const wxFont *) NULL)
- const;
virtual void SetScrollbar( int orient, int pos, int thumbVisible,
int range, bool refresh = true );
virtual int GetScrollThumb( int orient ) const;
virtual int GetScrollRange( int orient ) const;
virtual void ScrollWindow( int dx, int dy,
- const wxRect* rect = (wxRect *) NULL );
+ const wxRect* rect = NULL );
virtual bool ScrollLines(int lines);
virtual bool ScrollPages(int pages);
+ virtual void SetLayoutDirection(wxLayoutDirection dir);
+ virtual wxLayoutDirection GetLayoutDirection() const;
+ virtual wxCoord AdjustForLayoutDirection(wxCoord x,
+ wxCoord width,
+ wxCoord widthTotal) const;
+
#if wxUSE_DRAG_AND_DROP
virtual void SetDropTarget( wxDropTarget *dropTarget );
#endif // wxUSE_DRAG_AND_DROP
// Accept files for dragging
virtual void DragAcceptFiles(bool accept);
-#if WXWIN_COMPATIBILITY_2_4
- wxDEPRECATED( bool GetUseCtl3D() const );
- wxDEPRECATED( bool GetTransparentBackground() const );
- wxDEPRECATED( void SetTransparent(bool t = true) );
-#endif // WXWIN_COMPATIBILITY_2_4
-
#ifndef __WXUNIVERSAL__
// Native resource loading (implemented in src/msw/nativdlg.cpp)
// FIXME: should they really be all virtual?
// does this window have deferred position and/or size?
bool IsSizeDeferred() const;
+ // these functions allow to register a global handler for the given Windows
+ // message: it will be called from MSWWindowProc() of any window which gets
+ // this event if it's not processed before (i.e. unlike a hook procedure it
+ // does not override the normal processing)
+ //
+ // notice that if you want to process a message for a given window only you
+ // should override its MSWWindowProc() instead
+
+ // type of the handler: it is called with the message parameters (except
+ // that the window object is passed instead of window handle) and should
+ // return true if it handled the message or false if it should be passed to
+ // DefWindowProc()
+ typedef bool (*MSWMessageHandler)(wxWindowMSW *win,
+ WXUINT nMsg,
+ WXWPARAM wParam,
+ WXLPARAM lParam);
+
+ // install a handler, shouldn't be called more than one for the same message
+ static bool MSWRegisterMessageHandler(int msg, MSWMessageHandler handler);
+
+ // unregister a previously registered handler
+ static void MSWUnregisterMessageHandler(int msg, MSWMessageHandler handler);
+
// implementation from now on
// ==========================
// --------------
void OnPaint(wxPaintEvent& event);
- void OnEraseBackground(wxEraseEvent& event);
#ifdef __WXWINCE__
void OnInitDialog(wxInitDialogEvent& event);
#endif
wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
// MSW only: true if this control is part of the main control
- virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; };
+ virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; }
#if wxUSE_TOOLTIPS
// MSW only: true if this window or any of its children have a tooltip
WXDWORD MSWGetCreateWindowFlags(WXDWORD *exflags = NULL) const
{ return MSWGetStyle(GetWindowStyle(), exflags); }
- // translate wxWidgets coords into Windows ones suitable to be passed to
- // ::CreateWindow()
- //
- // returns true if non default coords are returned, false otherwise
- bool MSWGetCreateWindowCoords(const wxPoint& pos,
- const wxSize& size,
- int& x, int& y,
- int& w, int& h) const;
+ // update the real underlying window style flags to correspond to the
+ // current wxWindow object style (safe to call even if window isn't fully
+ // created yet)
+ void MSWUpdateStyle(long flagsOld, long exflagsOld);
// get the HWND to be used as parent of this window with CreateWindow()
virtual WXHWND MSWGetParent() const;
+ // get the Win32 window class name used by all wxWindow objects by default
+ static const wxChar *MSWGetRegisteredClassName();
+
// creates the window of specified Windows class with given style, extended
// style, title and geometry (default values
//
bool HandleSize(int x, int y, WXUINT flag);
bool HandleSizing(wxRect& rect);
bool HandleGetMinMaxInfo(void *mmInfo);
+ bool HandleEnterSizeMove();
+ bool HandleExitSizeMove();
bool HandleShow(bool show, int status);
bool HandleActivate(int flag, bool minimized, WXHWND activate);
bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
bool HandleMouseMove(int x, int y, WXUINT flags);
- bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);
+ bool HandleMouseWheel(wxMouseWheelAxis axis,
+ WXWPARAM wParam, WXLPARAM lParam);
- bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = false);
+ bool HandleChar(WXWPARAM wParam, WXLPARAM lParam);
bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);
-#if wxUSE_ACCEL
+#if wxUSE_HOTKEY
bool HandleHotKey(WXWPARAM wParam, WXLPARAM lParam);
#endif
#ifdef __WIN32__
bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);
- // Window procedure
+ bool HandlePower(WXWPARAM wParam, WXLPARAM lParam, bool *vetoed);
+
+
+ // The main body of common window proc for all wxWindow objects. It tries
+ // to handle the given message and returns true if it was handled (the
+ // appropriate return value is then put in result, which must be non-NULL)
+ // or false if it wasn't.
+ //
+ // This function should be overridden in any new code instead of
+ // MSWWindowProc() even if currently most of the code overrides
+ // MSWWindowProc() as it had been written before this function was added.
+ virtual bool MSWHandleMessage(WXLRESULT *result,
+ WXUINT message,
+ WXWPARAM wParam,
+ WXLPARAM lParam);
+
+ // Common Window procedure for all wxWindow objects: forwards to
+ // MSWHandleMessage() and MSWDefWindowProc() if the message wasn't handled.
virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
// Calls an appropriate default window procedure
virtual void MSWDestroyWindow();
+ // Functions dealing with painting the window background. The derived
+ // classes should normally only need to reimplement MSWGetBgBrush() if they
+ // need to use a non-solid brush for erasing their background. This
+ // function is called by MSWGetBgBrushForChild() which only exists for the
+ // weird wxToolBar case and MSWGetBgBrushForChild() itself is used by
+ // MSWGetBgBrush() to actually find the right brush to use.
+
+ // Adjust the origin for the brush returned by MSWGetBgBrushForChild().
+ //
+ // This needs to be overridden for scrolled windows to ensure that the
+ // scrolling of their associated DC is taken into account.
+ //
+ // Both parameters must be non-NULL.
+ virtual void MSWAdjustBrushOrg(int* WXUNUSED(xOrg),
+ int* WXUNUSED(yOrg)) const
+ {
+ }
+
+ // The brush returned from here must remain valid at least until the next
+ // event loop iteration. Returning 0, as is done by default, indicates
+ // there is no custom background brush.
+ virtual WXHBRUSH MSWGetCustomBgBrush() { return 0; }
+
// this function should return the brush to paint the children controls
// background or 0 if this window doesn't impose any particular background
// on its children
//
+ // the hDC parameter is the DC background will be drawn on, it can be used
+ // to call SetBrushOrgEx() on it if the returned brush is a bitmap one
+ //
+ // child parameter is never NULL, it can be this window itself or one of
+ // its (grand)children
+ //
// the base class version returns a solid brush if we have a non default
// background colour or 0 otherwise
- virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd);
+ virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, wxWindowMSW *child);
// return the background brush to use for painting the given window by
- // quering the parent windows via their MSWGetBgBrushForChild() recursively
- //
- // hWndToPaint is normally NULL meaning this window itself, but it can also
- // be a child of this window which is used by the static box and could be
- // potentially useful for other transparent controls
- WXHBRUSH MSWGetBgBrush(WXHDC hDC, WXHWND hWndToPaint = NULL);
+ // querying the parent windows via MSWGetBgBrushForChild() recursively
+ WXHBRUSH MSWGetBgBrush(WXHDC hDC);
+
+ enum MSWThemeColour
+ {
+ ThemeColourText = 0,
+ ThemeColourBackground,
+ ThemeColourBorder
+ };
+
+ // returns a specific theme colour, or if that is not possible then
+ // wxSystemSettings::GetColour(fallback)
+ wxColour MSWGetThemeColour(const wchar_t *themeName,
+ int themePart,
+ int themeState,
+ MSWThemeColour themeColour,
+ wxSystemColour fallback) const;
// gives the parent the possibility to draw its children background, e.g.
// this is used by wxNotebook to do it using DrawThemeBackground()
return true;
}
+ // This should be overridden to return true for the controls which have
+ // themed background that should through their children. Currently only
+ // wxNotebook uses this.
+ //
+ // The base class version already returns true if we have a solid
+ // background colour that should be propagated to our children.
+ virtual bool MSWHasInheritableBackground() const
+ {
+ return InheritsBackgroundColour();
+ }
+
+#if !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
+ #define wxHAS_MSW_BACKGROUND_ERASE_HOOK
+#endif
+
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
+ // allows the child to hook into its parent WM_ERASEBKGND processing: call
+ // MSWSetEraseBgHook() with a non-NULL window to make parent call
+ // MSWEraseBgHook() on this window (don't forget to reset it to NULL
+ // afterwards)
+ //
+ // this hack is used by wxToolBar, see comments there
+ void MSWSetEraseBgHook(wxWindow *child);
+
+ // return true if WM_ERASEBKGND is currently hooked
+ bool MSWHasEraseBgHook() const;
+
+ // called when the window on which MSWSetEraseBgHook() had been called
+ // receives WM_ERASEBKGND
+ virtual bool MSWEraseBgHook(WXHDC WXUNUSED(hDC)) { return false; }
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
+ // common part of Show/HideWithEffect()
+ bool MSWShowWithEffect(bool show,
+ wxShowEffect effect,
+ unsigned timeout);
// Responds to colour changes: passes event on to children.
void OnSysColourChanged(wxSysColourChangedEvent& event);
// check if mouse is in the window
bool IsMouseInWindow() const;
+ // check if a native double-buffering applies for this window
+ virtual bool IsDoubleBuffered() const;
+
+ void SetDoubleBuffered(bool on);
+
// synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false
void GenerateMouseLeave();
virtual void OnInternalIdle();
protected:
+ // this allows you to implement standard control borders without
+ // repeating the code in different classes that are not derived from
+ // wxControl
+ virtual wxBorder GetDefaultBorderForControl() const;
+
+ // choose the default border for this window
+ virtual wxBorder GetDefaultBorder() const;
+
+ // Translate wxBORDER_THEME (and other border styles if necessary to the value
+ // that makes most sense for this Windows environment
+ virtual wxBorder TranslateBorder(wxBorder border) const;
#if wxUSE_MENUS_NATIVE
virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
int m_yThumbSize;
// implement the base class pure virtuals
+ virtual void DoGetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const;
virtual void DoClientToScreen( int *x, int *y ) const;
virtual void DoScreenToClient( int *x, int *y ) const;
virtual void DoGetPosition( int *x, int *y ) const;
int sizeFlags = wxSIZE_AUTO);
virtual void DoSetClientSize(int width, int height);
+ virtual wxSize DoGetBorderSize() const;
+
virtual void DoCaptureMouse();
virtual void DoReleaseMouse();
- // has the window been frozen by Freeze()?
- bool IsFrozen() const { return m_frozenness > 0; }
+ virtual void DoEnable(bool enable);
+
+ virtual void DoFreeze();
+ virtual void DoThaw();
// this simply moves/resizes the given HWND which is supposed to be our
// sibling (this is useful for controls which are composite at MSW level
const wxString& ttip);
#endif // wxUSE_TOOLTIPS
- // the helper functions used by HandleChar/KeyXXX methods
- wxKeyEvent CreateKeyEvent(wxEventType evType, int id,
- WXLPARAM lParam = 0, WXWPARAM wParam = 0) const;
+ // This is used by CreateKeyEvent() and also for wxEVT_CHAR[_HOOK] event
+ // creation. Notice that this method doesn't initialize wxKeyEvent
+ // m_keyCode and m_uniChar fields.
+ void InitAnyKeyEvent(wxKeyEvent& event,
+ WXWPARAM wParam,
+ WXLPARAM lParam) const;
+
+ // Helper functions used by HandleKeyXXX() methods and some derived
+ // classes, wParam and lParam have the same meaning as in WM_KEY{DOWN,UP}.
+ //
+ // NB: evType here must be wxEVT_KEY_{DOWN,UP} as wParam here contains the
+ // virtual key code, not character!
+ wxKeyEvent CreateKeyEvent(wxEventType evType,
+ WXWPARAM wParam,
+ WXLPARAM lParam = 0) const;
+
+ // Another helper for creating wxKeyEvent for wxEVT_CHAR and related types.
+ //
+ // The wParam and lParam here must come from WM_CHAR event parameters, i.e.
+ // wParam must be a character and not a virtual code.
+ wxKeyEvent CreateCharEvent(wxEventType evType,
+ WXWPARAM wParam,
+ WXLPARAM lParam) const;
// default OnEraseBackground() implementation, return true if we did erase
// for state as the system will decide for us what needs to be set
void MSWUpdateUIState(int action, int state = 0);
+ // translate wxWidgets coords into Windows ones suitable to be passed to
+ // ::CreateWindow(), called from MSWCreate()
+ virtual void MSWGetCreateWindowCoords(const wxPoint& pos,
+ const wxSize& size,
+ int& x, int& y,
+ int& w, int& h) const;
+
+ bool MSWEnableHWND(WXHWND hWnd, bool enable);
+
private:
// common part of all ctors
void Init();
bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
- // list of disabled children before last call to our Disable()
- wxWindowList *m_childrenDisabled;
-
- // number of calls to Freeze() minus number of calls to Thaw()
- unsigned int m_frozenness;
+#if wxUSE_DEFERRED_SIZING
+protected:
+ // this function is called after the window was resized to its new size
+ virtual void MSWEndDeferWindowPos()
+ {
+ m_pendingPosition = wxDefaultPosition;
+ m_pendingSize = wxDefaultSize;
+ }
// current defer window position operation handle (may be NULL)
WXHANDLE m_hDWP;
// this window before the group of deferred changes is completed.
wxPoint m_pendingPosition;
wxSize m_pendingSize;
+#endif // wxUSE_DEFERRED_SIZING
+private:
#ifdef __POCKETPC__
bool m_contextMenuEnabled;
#endif
DECLARE_DYNAMIC_CLASS(wxWindowMSW)
- DECLARE_NO_COPY_CLASS(wxWindowMSW)
+ wxDECLARE_NO_COPY_CLASS(wxWindowMSW);
DECLARE_EVENT_TABLE()
};
-// ----------------------------------------------------------------------------
-// inline functions
-// ----------------------------------------------------------------------------
-
-#if WXWIN_COMPATIBILITY_2_4
-
-inline bool wxWindowMSW::GetUseCtl3D() const { return false; }
-inline bool wxWindowMSW::GetTransparentBackground() const { return false; }
-inline void wxWindowMSW::SetTransparent(bool WXUNUSED(t)) { }
-
-#endif // WXWIN_COMPATIBILITY_2_4
-
-// ---------------------------------------------------------------------------
-// global functions
-// ---------------------------------------------------------------------------
-
-// kbd code translation
-WXDLLEXPORT int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam = 0);
-WXDLLEXPORT WXWORD wxCharCodeWXToMSW(int id, bool *IsVirtual);
-
// window creation helper class: before creating a new HWND, instantiate an
// object of this class on stack - this allows to process the messages sent to
// the window even before CreateWindow() returns
~wxWindowCreationHook();
};
-// ----------------------------------------------------------------------------
-// global objects
-// ----------------------------------------------------------------------------
-
-// notice that this hash must be defined after wxWindow declaration as it
-// needs to "see" its dtor and not just forward declaration
-#include "wx/hash.h"
-
-// pseudo-template HWND <-> wxWindow hash table
-#if WXWIN_COMPATIBILITY_2_4
-WX_DECLARE_HASH(wxWindow, wxWindowList, wxWinHashTable);
-#else
-WX_DECLARE_HASH(wxWindowMSW, wxWindowList, wxWinHashTable);
-#endif
-
-extern wxWinHashTable *wxWinHandleHash;
-
#endif // _WX_WINDOW_H_
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