/////////////////////////////////////////////////////////////////////////////// // Name: wx/univ/window.h // Purpose: wxWindow class which is the base class for all // wxUniv port controls, it supports the customization of the // window drawing and input processing. // Author: Vadim Zeitlin // Modified by: // Created: 06.08.00 // RCS-ID: $Id$ // Copyright: (c) 2000 Vadim Zeitlin // Licence: wxWindows license /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_UNIV_WINDOW_H_ #define _WX_UNIV_WINDOW_H_ #ifdef __GNUG__ #pragma interface "univwindow.h" #endif #include "wx/bitmap.h" // for m_bitmapBg class WXDLLEXPORT wxControlRenderer; class WXDLLEXPORT wxEventLoop; class WXDLLEXPORT wxMenu; class WXDLLEXPORT wxMenuBar; class WXDLLEXPORT wxRenderer; class WXDLLEXPORT wxScrollBar; // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- // control state flags used in wxRenderer and wxColourScheme enum { wxCONTROL_DISABLED = 0x00000001, // control is disabled wxCONTROL_FOCUSED = 0x00000002, // currently has keyboard focus wxCONTROL_PRESSED = 0x00000004, // (button) is pressed wxCONTROL_ISDEFAULT = 0x00000008, // only applies to the buttons wxCONTROL_ISSUBMENU = wxCONTROL_ISDEFAULT, // only for menu items wxCONTROL_CURRENT = 0x00000010, // mouse is currently over the control wxCONTROL_SELECTED = 0x00000020, // selected item in e.g. listbox wxCONTROL_CHECKED = 0x00000040, // (check/radio button) is checked wxCONTROL_CHECKABLE = 0x00000080, // (menu) item can be checked wxCONTROL_FLAGS_MASK = 0x000000ff, // this is a pseudo flag not used directly by wxRenderer but rather by some // controls internally wxCONTROL_DIRTY = 0x80000000 }; // ---------------------------------------------------------------------------- // wxWindow // ---------------------------------------------------------------------------- #if defined(__WXMSW__) #define wxWindowNative wxWindowMSW #elif defined(__WXGTK__) #define wxWindowNative wxWindowGTK #elif defined(__WXMGL__) #define wxWindowNative wxWindowMGL #endif class WXDLLEXPORT wxWindow : public wxWindowNative { public: // ctors and create functions // --------------------------- wxWindow() { Init(); } wxWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxPanelNameStr) : wxWindowNative(parent, id, pos, size, style | wxCLIP_CHILDREN, name) { Init(); } bool Create(wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxPanelNameStr); // background pixmap support // ------------------------- virtual void SetBackground(const wxBitmap& bitmap, int alignment = wxALIGN_CENTRE, wxStretch stretch = wxSTRETCH_NOT); const wxBitmap& GetBackgroundBitmap(int *alignment = NULL, wxStretch *stretch = NULL) const; // scrollbars: we (re)implement it ourselves using our own scrollbars // instead of the native ones // ------------------------------------------------------------------ virtual void SetScrollbar(int orient, int pos, int page, int range, bool refresh = TRUE ); virtual void SetScrollPos(int orient, int pos, bool refresh = TRUE); virtual int GetScrollPos(int orient) const; virtual int GetScrollThumb(int orient) const; virtual int GetScrollRange(int orient) const; virtual void ScrollWindow(int dx, int dy, const wxRect* rect = (wxRect *) NULL); // take into account the borders here virtual wxPoint GetClientAreaOrigin() const; // popup menu support // ------------------ // NB: all menu related functions are implemented in menu.cpp #if wxUSE_MENUS virtual bool DoPopupMenu(wxMenu *menu, int x, int y); // this is wxUniv-specific private method to be used only by wxMenu void DismissPopupMenu(); #endif // wxUSE_MENUS // miscellaneous other methods // --------------------------- // get the state information virtual bool IsFocused() const; virtual bool IsCurrent() const; virtual bool IsPressed() const; virtual bool IsDefault() const; // return all state flags at once (combination of wxCONTROL_XXX values) int GetStateFlags() const; // set the "highlighted" flag and return TRUE if it changed virtual bool SetCurrent(bool doit = TRUE); // get the scrollbar (may be NULL) for the given orientation wxScrollBar *GetScrollbar(int orient) const { return orient & wxVERTICAL ? m_scrollbarVert : m_scrollbarHorz; } // methods used by wxColourScheme to choose the colours for this window // -------------------------------------------------------------------- // return TRUE if this is a panel/canvas window which contains other // controls only virtual bool IsCanvasWindow() const { return FALSE; } // return TRUE if this a container window which contains the other items: // e.g, a listbox, listctrl, treectrl, ... and FALSE if it is a monolithic // control (e.g. a button, checkbox, ...) virtual bool IsContainerWindow() const { return FALSE; } // return TRUE if this control can be highlighted when the mouse is over // it (the theme decides itself whether it is really highlighted or not) virtual bool CanBeHighlighted() const { return FALSE; } // return TRUE if we should use the colours/fonts returned by the // corresponding GetXXX() methods instead of the default ones bool UseBgCol() const { return m_hasBgCol; } bool UseFgCol() const { return m_hasFgCol; } bool UseFont() const { return m_hasFont; } // returns the (low level) renderer to use for drawing the control by // querying the current theme wxRenderer *GetRenderer() const { return m_renderer; } // scrolling helper: like ScrollWindow() except that it doesn't refresh the // uncovered window areas but returns the rectangle to update (don't call // this with both dx and dy non zero) wxRect ScrollNoRefresh(int dx, int dy, const wxRect *rect = NULL); // after scrollbars are added or removed they must be refreshed by calling // this function void RefreshScrollbars(); // erase part of the control virtual void EraseBackground(wxDC& dc, const wxRect& rect); // overridden base class methods // ----------------------------- // the rect coordinates are, for us, in client coords, but if no rect is // specified, the entire window is refreshed virtual void Refresh(bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL); // we refresh the window when it is dis/enabled virtual bool Enable(bool enable = TRUE); // remember that the font/colour was changed virtual bool SetBackgroundColour(const wxColour& colour); virtual bool SetForegroundColour(const wxColour& colour); virtual bool SetFont(const wxFont& font); // our Capture/ReleaseMouse() maintains the stack of windows which had // captured the mouse and when ReleaseMouse() is called, the mouse freed // only if the stack is empty, otherwise it is captured back by the window // on top of the stack virtual void CaptureMouse(); virtual void ReleaseMouse(); protected: // common part of all ctors void Init(); // overridden base class virtuals // we deal with the scrollbars in these functions virtual void DoSetClientSize(int width, int height); virtual void DoGetClientSize(int *width, int *height) const; virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const; // event handlers void OnSize(wxSizeEvent& event); void OnNcPaint(wxPaintEvent& event); void OnPaint(wxPaintEvent& event); void OnErase(wxEraseEvent& event); #if wxUSE_ACCEL || wxUSE_MENUS void OnKeyDown(wxKeyEvent& event); #endif // wxUSE_ACCEL #if wxUSE_MENUS void OnChar(wxKeyEvent& event); void OnKeyUp(wxKeyEvent& event); #endif // wxUSE_MENUS // draw the control background, return TRUE if done virtual bool DoDrawBackground(wxDC& dc); // draw the controls border virtual void DoDrawBorder(wxDC& dc, const wxRect& rect); // draw the controls contents virtual void DoDraw(wxControlRenderer *renderer); // calculate the best size for the client area of the window: default // implementation of DoGetBestSize() uses this method and adds the border // width to the result virtual wxSize DoGetBestClientSize() const; virtual wxSize DoGetBestSize() const; // adjust the size of the window to take into account its borders wxSize AdjustSize(const wxSize& size) const; // put the scrollbars along the edges of the window void PositionScrollbars(); #if wxUSE_MENUS // return the menubar of the parent frame or NULL wxMenuBar *GetParentFrameMenuBar() const; #endif // wxUSE_MENUS // the renderer we use wxRenderer *m_renderer; // background bitmap info wxBitmap m_bitmapBg; int m_alignBgBitmap; wxStretch m_stretchBgBitmap; // more flags bool m_isCurrent:1; // is the mouse currently inside the window? bool m_hasBgCol:1; // was the bg colour explicitly changed by user? bool m_hasFgCol:1; // fg bool m_hasFont:1; // font private: // the window scrollbars wxScrollBar *m_scrollbarHorz, *m_scrollbarVert; // the stack of windows which have captured the mouse static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext; #if wxUSE_MENUS // the current modal event loop for the popup menu we show or NULL static wxEventLoop *ms_evtLoopPopup; // the last window over which Alt was pressed (used by OnKeyUp) static wxWindow *ms_winLastAltPress; #endif // wxUSE_MENUS DECLARE_DYNAMIC_CLASS(wxWindow) DECLARE_EVENT_TABLE() }; #endif // _WX_UNIV_WINDOW_H_