330 lines
12 KiB
C++
330 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/motif/window.h
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// Purpose: wxWindow class
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// Author: Julian Smart
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// Modified by:
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// Created: 17/09/98
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WINDOW_H_
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#define _WX_WINDOW_H_
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#include "wx/region.h"
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// ----------------------------------------------------------------------------
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// wxWindow class for Motif - see also wxWindowBase
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxWindow : public wxWindowBase
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{
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friend class WXDLLIMPEXP_FWD_CORE wxDC;
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friend class WXDLLIMPEXP_FWD_CORE wxWindowDC;
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public:
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wxWindow() { Init(); }
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wxWindow(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxASCII_STR(wxPanelNameStr))
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{
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Init();
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Create(parent, id, pos, size, style, name);
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}
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virtual ~wxWindow();
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxASCII_STR(wxPanelNameStr));
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// implement base class pure virtuals
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virtual void SetLabel(const wxString& label);
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virtual wxString GetLabel() const;
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virtual void Raise();
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virtual void Lower();
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virtual bool Show( bool show = true );
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virtual bool Enable( bool enable = true );
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virtual void SetFocus();
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virtual void WarpPointer(int x, int y);
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virtual void Refresh( bool eraseBackground = true,
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const wxRect *rect = (const wxRect *) NULL );
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virtual bool SetBackgroundColour( const wxColour &colour );
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virtual bool SetForegroundColour( const wxColour &colour );
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virtual bool SetCursor( const wxCursor &cursor );
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virtual bool SetFont( const wxFont &font );
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virtual int GetCharHeight() const;
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virtual int GetCharWidth() const;
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virtual void SetScrollbar( int orient, int pos, int thumbVisible,
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int range, bool refresh = true );
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virtual void SetScrollPos( int orient, int pos, bool refresh = true );
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virtual int GetScrollPos( int orient ) const;
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virtual int GetScrollThumb( int orient ) const;
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virtual int GetScrollRange( int orient ) const;
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virtual void ScrollWindow( int dx, int dy,
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const wxRect* rect = NULL );
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#if wxUSE_DRAG_AND_DROP
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virtual void SetDropTarget( wxDropTarget *dropTarget );
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#endif // wxUSE_DRAG_AND_DROP
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// Accept files for dragging
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virtual void DragAcceptFiles(bool accept);
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// Get the unique identifier of a window
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virtual WXWidget GetHandle() const { return GetMainWidget(); }
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// implementation from now on
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// --------------------------
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// accessors
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// ---------
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// Get main widget for this window, e.g. a text widget
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virtual WXWidget GetMainWidget() const;
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// Get the widget that corresponds to the label (for font setting,
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// label setting etc.)
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virtual WXWidget GetLabelWidget() const;
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// Get the client widget for this window (something we can create other
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// windows on)
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virtual WXWidget GetClientWidget() const;
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// Get the top widget for this window, e.g. the scrolled widget parent of a
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// multi-line text widget. Top means, top in the window hierarchy that
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// implements this window.
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virtual WXWidget GetTopWidget() const;
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// Get the underlying X window and display
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WXWindow GetClientXWindow() const;
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WXWindow GetXWindow() const;
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WXDisplay *GetXDisplay() const;
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void SetLastClick(int button, long timestamp)
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{ m_lastButton = button; m_lastTS = timestamp; }
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int GetLastClickedButton() const { return m_lastButton; }
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long GetLastClickTime() const { return m_lastTS; }
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// Gives window a chance to do something in response to a size message,
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// e.g. arrange status bar, toolbar etc.
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virtual bool PreResize();
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// Generates a paint event
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virtual void DoPaint();
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// update rectangle/region manipulation
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// (for wxWindowDC and Motif callbacks only)
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// -----------------------------------------
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// Adds a rectangle to the updates list
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void AddUpdateRect(int x, int y, int w, int h);
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void ClearUpdateRegion() { m_updateRegion.Clear(); }
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void SetUpdateRegion(const wxRegion& region) { m_updateRegion = region; }
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// post-creation activities
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void PostCreation();
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// pre-creation activities
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void PreCreation();
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protected:
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// Responds to colour changes: passes event on to children.
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void OnSysColourChanged(wxSysColourChangedEvent& event);
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// Motif-specific
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void SetMainWidget(WXWidget w) { m_mainWidget = w; }
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// See src/motif/window.cpp, near the top, for an explanation
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// why this is necessary
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void CanvasSetSizeIntr(int x, int y, int width, int height,
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int sizeFlags, bool fromCtor);
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void DoSetSizeIntr(int x, int y,
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int width, int height,
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int sizeFlags, bool fromCtor);
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// for DoMoveWindowIntr flags
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enum
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{
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wxMOVE_X = 1,
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wxMOVE_Y = 2,
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wxMOVE_WIDTH = 4,
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wxMOVE_HEIGHT = 8
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};
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void DoMoveWindowIntr(int x, int y, int width, int height,
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int flags);
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// helper function, to remove duplicate code, used in wxScrollBar
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WXWidget DoCreateScrollBar(WXWidget parent, wxOrientation orientation,
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void (*callback)());
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public:
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WXPixmap GetBackingPixmap() const { return m_backingPixmap; }
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void SetBackingPixmap(WXPixmap pixmap) { m_backingPixmap = pixmap; }
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int GetPixmapWidth() const { return m_pixmapWidth; }
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int GetPixmapHeight() const { return m_pixmapHeight; }
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void SetPixmapWidth(int w) { m_pixmapWidth = w; }
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void SetPixmapHeight(int h) { m_pixmapHeight = h; }
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// Change properties
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// Change to the current font (often overridden)
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virtual void ChangeFont(bool keepOriginalSize = true);
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// Change background and foreground colour using current background colour
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// setting (Motif generates foreground based on background)
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virtual void ChangeBackgroundColour();
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// Change foreground colour using current foreground colour setting
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virtual void ChangeForegroundColour();
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protected:
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// Adds the widget to the hash table and adds event handlers.
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bool AttachWidget(wxWindow* parent, WXWidget mainWidget,
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WXWidget formWidget, int x, int y, int width, int height);
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bool DetachWidget(WXWidget widget);
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// How to implement accelerators. If we find a key event, translate to
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// wxWidgets wxKeyEvent form. Find a widget for the window. Now find a
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// wxWindow for the widget. If there isn't one, go up the widget hierarchy
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// trying to find one. Once one is found, call ProcessAccelerator for the
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// window. If it returns true (processed the event), skip the X event,
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// otherwise carry on up the wxWidgets window hierarchy calling
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// ProcessAccelerator. If all return false, process the X event as normal.
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// Eventually we can implement OnCharHook the same way, but concentrate on
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// accelerators for now. ProcessAccelerator must look at the current
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// accelerator table, and try to find what menu id or window (beneath it)
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// has this ID. Then construct an appropriate command
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// event and send it.
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public:
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virtual bool ProcessAccelerator(wxKeyEvent& event);
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protected:
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// unmanage and destroy an X widget f it's !NULL (passing NULL is ok)
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void UnmanageAndDestroy(WXWidget widget);
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// map or unmap an X widget (passing NULL is ok),
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// returns true if widget was mapped/unmapped
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bool MapOrUnmap(WXWidget widget, bool map);
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// scrolling stuff
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// ---------------
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// create/destroy window scrollbars
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void CreateScrollbar(wxOrientation orientation);
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void DestroyScrollbar(wxOrientation orientation);
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// get either hor or vert scrollbar widget
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WXWidget GetScrollbar(wxOrientation orient) const
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{ return orient == wxHORIZONTAL ? m_hScrollBar : m_vScrollBar; }
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// set the scroll pos
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void SetInternalScrollPos(wxOrientation orient, int pos)
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{
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if ( orient == wxHORIZONTAL )
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m_scrollPosX = pos;
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else
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m_scrollPosY = pos;
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}
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// Motif-specific flags
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// --------------------
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bool m_needsRefresh:1; // repaint backing store?
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// For double-click detection
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long m_lastTS; // last timestamp
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unsigned m_lastButton:2; // last pressed button
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protected:
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WXWidget m_mainWidget;
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WXWidget m_hScrollBar;
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WXWidget m_vScrollBar;
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WXWidget m_borderWidget;
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WXWidget m_scrolledWindow;
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WXWidget m_drawingArea;
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bool m_winCaptured:1;
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WXPixmap m_backingPixmap;
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int m_pixmapWidth;
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int m_pixmapHeight;
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int m_pixmapOffsetX;
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int m_pixmapOffsetY;
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// Store the last scroll pos, since in wxWin the pos isn't set
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// automatically by system
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int m_scrollPosX;
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int m_scrollPosY;
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// implement the base class pure virtuals
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virtual void DoGetTextExtent(const wxString& string,
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int *x, int *y,
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int *descent = NULL,
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int *externalLeading = NULL,
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const wxFont *font = NULL) const;
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virtual void DoClientToScreen( int *x, int *y ) const;
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virtual void DoScreenToClient( int *x, int *y ) const;
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virtual void DoGetPosition( int *x, int *y ) const;
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virtual void DoGetSize( int *width, int *height ) const;
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virtual void DoGetClientSize( int *width, int *height ) const;
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virtual void DoSetSize(int x, int y,
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int width, int height,
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int sizeFlags = wxSIZE_AUTO);
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virtual void DoSetClientSize(int width, int height);
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virtual void DoMoveWindow(int x, int y, int width, int height);
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virtual bool DoPopupMenu(wxMenu *menu, int x, int y);
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virtual void DoCaptureMouse();
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virtual void DoReleaseMouse();
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#if wxUSE_TOOLTIPS
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virtual void DoSetToolTip( wxToolTip *tip );
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#endif // wxUSE_TOOLTIPS
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private:
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// common part of all ctors
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void Init();
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wxDECLARE_DYNAMIC_CLASS(wxWindow);
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wxDECLARE_NO_COPY_CLASS(wxWindow);
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wxDECLARE_EVENT_TABLE();
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};
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// ----------------------------------------------------------------------------
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// A little class to switch off `size optimization' while an instance of the
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// object exists: this may be useful to temporarily disable the optimisation
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// which consists to do nothing when the new size is equal to the old size -
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// although quite useful usually to avoid flicker, sometimes it leads to
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// undesired effects.
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//
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// Usage: create an instance of this class on the stack to disable the size
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// optimisation, it will be re-enabled as soon as the object goes out
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// from scope.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxNoOptimize
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{
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public:
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wxNoOptimize() { ms_count++; }
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~wxNoOptimize() { ms_count--; }
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static bool CanOptimize() { return ms_count == 0; }
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protected:
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static int ms_count;
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};
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#endif // _WX_WINDOW_H_
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