Not doing this prevented the tooltips from working correctly if the library was shut down and reinitialized again, so add a module ensuring this is done. Closes #17360.
		
			
				
	
	
		
			122 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////
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// Name:        wx/msw/tooltip.h
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// Purpose:     wxToolTip class - tooltip control
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// Author:      Vadim Zeitlin
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// Modified by:
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// Created:     31.01.99
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// Copyright:   (c) 1999 Robert Roebling, Vadim Zeitlin
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// Licence:     wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_TOOLTIP_H_
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#define _WX_MSW_TOOLTIP_H_
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#include "wx/object.h"
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#include "wx/gdicmn.h"
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class WXDLLIMPEXP_FWD_CORE wxWindow;
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class wxToolTipOtherWindows;
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class WXDLLIMPEXP_CORE wxToolTip : public wxObject
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{
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public:
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    // ctor & dtor
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    wxToolTip(const wxString &tip);
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    virtual ~wxToolTip();
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    // ctor used by wxStatusBar to associate a tooltip to a portion of
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    // the status bar window:
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    wxToolTip(wxWindow* win, unsigned int id,
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              const wxString &tip, const wxRect& rc);
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    // accessors
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        // tip text
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    void SetTip(const wxString& tip);
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    const wxString& GetTip() const { return m_text; }
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        // the window we're associated with
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    void SetWindow(wxWindow *win);
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    wxWindow *GetWindow() const { return m_window; }
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    // controlling tooltip behaviour: globally change tooltip parameters
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        // enable or disable the tooltips globally
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    static void Enable(bool flag);
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        // set the delay after which the tooltip appears
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    static void SetDelay(long milliseconds);
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        // set the delay after which the tooltip disappears or how long the
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        // tooltip remains visible
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    static void SetAutoPop(long milliseconds);
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        // set the delay between subsequent tooltips to appear
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    static void SetReshow(long milliseconds);
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        // set maximum width for the new tooltips: -1 disables wrapping
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        // entirely, 0 restores the default behaviour
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    static void SetMaxWidth(int width);
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    // implementation only from now on
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    // -------------------------------
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    // should be called in response to WM_MOUSEMOVE
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    static void RelayEvent(WXMSG *msg);
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    // add a window to the tooltip control
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    void AddOtherWindow(WXHWND hwnd);
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    // remove any tooltip from the window
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    static void Remove(WXHWND hwnd, unsigned int id, const wxRect& rc);
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    // Set the rectangle we're associated with. This rectangle is only used for
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    // the main window, not any sub-windows added with Add() so in general it
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    // makes sense to use it for tooltips associated with a single window only.
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    void SetRect(const wxRect& rc);
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    // Called when TLW shown state is changed and hides the tooltip itself if
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    // the window it's associated with is hidden.
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    static void UpdateVisibility();
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private:
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    // This module calls our DeleteToolTipCtrl().
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    friend class wxToolTipModule;
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    // Adds a window other than our main m_window to this tooltip.
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    void DoAddHWND(WXHWND hWnd);
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    // Perform the specified operation for the given window only.
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    void DoSetTip(WXHWND hWnd);
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    void DoRemove(WXHWND hWnd);
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    // Call the given function for all windows we're associated with.
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    void DoForAllWindows(void (wxToolTip::*func)(WXHWND));
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    // the one and only one tooltip control we use - never access it directly
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    // but use GetToolTipCtrl() which will create it when needed
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    static WXHWND ms_hwndTT;
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    // create the tooltip ctrl if it doesn't exist yet and return its HWND
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    static WXHWND GetToolTipCtrl();
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    // to be used in wxModule for deleting tooltip ctrl window when exiting mainloop
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    static void DeleteToolTipCtrl();
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    // new tooltip maximum width, defaults to min(display width, 400)
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    static int ms_maxWidth;
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    // remove this tooltip from the tooltip control
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    void Remove();
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    // adjust tooltip max width based on current tooltip text
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    bool AdjustMaxWidth();
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    wxString  m_text;           // tooltip text
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    wxWindow* m_window;         // main window we're associated with
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    wxToolTipOtherWindows *m_others; // other windows associated with it or NULL
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    wxRect    m_rect;           // the rect of the window for which this tooltip is shown
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                                // (or a rect with width/height == 0 to show it for the entire window)
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    unsigned int m_id;          // the id of this tooltip (ignored when m_rect width/height is 0)
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    wxDECLARE_ABSTRACT_CLASS(wxToolTip);
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    wxDECLARE_NO_COPY_CLASS(wxToolTip);
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};
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#endif // _WX_MSW_TOOLTIP_H_
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