X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0656d2e68df4a42780800b057c4b2390a99eecd3..ca77701441e39245dcbfce903049e76f166979e5:/include/wx/generic/splitter.h diff --git a/include/wx/generic/splitter.h b/include/wx/generic/splitter.h index d74fc68403..39d9aed8c8 100644 --- a/include/wx/generic/splitter.h +++ b/include/wx/generic/splitter.h @@ -1,30 +1,27 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: splitter.h +// Name: wx/generic/splitter.h // Purpose: wxSplitterWindow class // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __SPLITTERH_G__ -#define __SPLITTERH_G__ - -#ifdef __GNUG__ - #pragma interface "splitter.h" -#endif +#ifndef _WX_GENERIC_SPLITTER_H_ +#define _WX_GENERIC_SPLITTER_H_ #include "wx/window.h" // base class declaration +#include "wx/containr.h" // wxControlContainer -class WXDLLEXPORT wxSplitterEvent; +class WXDLLIMPEXP_FWD_CORE wxSplitterEvent; // --------------------------------------------------------------------------- // splitter constants // --------------------------------------------------------------------------- -enum +enum wxSplitMode { wxSPLIT_HORIZONTAL = 1, wxSPLIT_VERTICAL @@ -48,11 +45,11 @@ enum // The MFC splitter window manages scrollbars as well so is able to // put sash buttons on the scrollbars, but we probably don't want to go down // this path. -// 2) for wxWindows 2.0, we must find a way to set the WS_CLIPCHILDREN style +// 2) for wxWidgets 2.0, we must find a way to set the WS_CLIPCHILDREN style // to prevent flickering. (WS_CLIPCHILDREN doesn't work in all cases so can't be // standard). -class WXDLLEXPORT wxSplitterWindow: public wxWindow +class WXDLLIMPEXP_CORE wxSplitterWindow: public wxNavigationEnabled { public: @@ -60,15 +57,29 @@ public: // Public API // Default constructor - wxSplitterWindow(); + wxSplitterWindow() + { + Init(); + } // Normal constructor - wxSplitterWindow(wxWindow *parent, wxWindowID id = -1, + wxSplitterWindow(wxWindow *parent, wxWindowID id = wxID_ANY, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxSP_3D, + const wxString& name = wxT("splitter")) + { + Init(); + Create(parent, id, pos, size, style, name); + } + + virtual ~wxSplitterWindow(); + + bool Create(wxWindow *parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, - long style = wxSP_3D|wxCLIP_CHILDREN, - const wxString& name = "splitter"); - ~wxSplitterWindow(); + long style = wxSP_3D, + const wxString& name = wxT("splitter")); // Gets the only or left/top pane wxWindow *GetWindow1() const { return m_windowOne; } @@ -77,76 +88,104 @@ public: wxWindow *GetWindow2() const { return m_windowTwo; } // Sets the split mode - void SetSplitMode(int mode) { m_splitMode = mode; } + void SetSplitMode(int mode) + { + wxASSERT_MSG( mode == wxSPLIT_VERTICAL || mode == wxSPLIT_HORIZONTAL, + wxT("invalid split mode") ); + + m_splitMode = (wxSplitMode)mode; + } // Gets the split mode - int GetSplitMode() const { return m_splitMode; }; + wxSplitMode GetSplitMode() const { return m_splitMode; } // Initialize with one window void Initialize(wxWindow *window); // Associates the given window with window 2, drawing the appropriate sash // and changing the split mode. - // Does nothing and returns FALSE if the window is already split. + // Does nothing and returns false if the window is already split. // A sashPosition of 0 means choose a default sash position, // negative sashPosition specifies the size of right/lower pane as it's // absolute value rather than the size of left/upper pane. virtual bool SplitVertically(wxWindow *window1, wxWindow *window2, - int sashPosition = 0); + int sashPosition = 0) + { return DoSplit(wxSPLIT_VERTICAL, window1, window2, sashPosition); } virtual bool SplitHorizontally(wxWindow *window1, wxWindow *window2, - int sashPosition = 0); + int sashPosition = 0) + { return DoSplit(wxSPLIT_HORIZONTAL, window1, window2, sashPosition); } // Removes the specified (or second) window from the view // Doesn't actually delete the window. - bool Unsplit(wxWindow *toRemove = (wxWindow *) NULL); + bool Unsplit(wxWindow *toRemove = NULL); // Replaces one of the windows with another one (neither old nor new // parameter should be NULL) bool ReplaceWindow(wxWindow *winOld, wxWindow *winNew); + // Make sure the child window sizes are updated. This is useful + // for reducing flicker by updating the sizes before a + // window is shown, if you know the overall size is correct. + void UpdateSize(); + // Is the window split? bool IsSplit() const { return (m_windowTwo != NULL); } - // Sets the sash size - void SetSashSize(int width) { m_sashSize = width; } - // Sets the border size - void SetBorderSize(int width) { m_borderSize = width; } + void SetBorderSize(int WXUNUSED(width)) { } + + // Hide or show the sash and test whether it's currently hidden. + void SetSashInvisible(bool invisible = true); + bool IsSashInvisible() const { return HasFlag(wxSP_NOSASH); } - // Gets the sash size - int GetSashSize() const { return m_sashSize; } + // Gets the current sash size which may be 0 if it's hidden and the default + // sash size. + int GetSashSize() const; + int GetDefaultSashSize() const; // Gets the border size - int GetBorderSize() const { return m_borderSize; } + int GetBorderSize() const; // Set the sash position - void SetSashPosition(int position, bool redraw = TRUE); + void SetSashPosition(int position, bool redraw = true); // Gets the sash position int GetSashPosition() const { return m_sashPosition; } + // Set the sash gravity + void SetSashGravity(double gravity); + + // Gets the sash gravity + double GetSashGravity() const { return m_sashGravity; } + // If this is zero, we can remove panes by dragging the sash. - void SetMinimumPaneSize(int min) { m_minimumPaneSize = min; } + void SetMinimumPaneSize(int min); int GetMinimumPaneSize() const { return m_minimumPaneSize; } + // NB: the OnXXX() functions below are for backwards compatibility only, + // don't use them in new code but handle the events instead! + + // called when the sash position is about to change, may return a new value + // for the sash or -1 to prevent the change from happening at all + virtual int OnSashPositionChanging(int newSashPosition); + // Called when the sash position is about to be changed, return - // FALSE from here to prevent the change from taking place. + // false from here to prevent the change from taking place. // Repositions sash to minimum position if pane would be too small. // newSashPosition here is always positive or zero. - virtual bool OnSashPositionChange(int WXUNUSED(newSashPosition)) - { return TRUE; } + virtual bool OnSashPositionChange(int newSashPosition); // If the sash is moved to an extreme position, a subwindow // is removed from the splitter window, and the app is // notified. The app should delete or hide the window. - virtual void OnUnsplit(wxWindow *WXUNUSED(removed)) { } + virtual void OnUnsplit(wxWindow *removed); // Called when the sash is double-clicked. // The default behaviour is to remove the sash if the // minimum pane size is zero. - virtual void OnDoubleClickSash(int WXUNUSED(x), int WXUNUSED(y)) { } + virtual void OnDoubleClickSash(int x, int y); //////////////////////////////////////////////////////////////////////////// // Implementation @@ -157,66 +196,115 @@ public: // Handles mouse events void OnMouseEvent(wxMouseEvent& ev); + // Aborts dragging mode + void OnMouseCaptureLost(wxMouseCaptureLostEvent& event); + // Adjusts the panes void OnSize(wxSizeEvent& event); // In live mode, resize child windows in idle time - void OnIdle(wxIdleEvent& event); - - // Draws borders - void DrawBorders(wxDC& dc); + void OnInternalIdle(); // Draws the sash - void DrawSash(wxDC& dc); + virtual void DrawSash(wxDC& dc); // Draws the sash tracker (for whilst moving the sash) - void DrawSashTracker(int x, int y); + virtual void DrawSashTracker(int x, int y); // Tests for x, y over sash - bool SashHitTest(int x, int y, int tolerance = 2); + virtual bool SashHitTest(int x, int y); // Resizes subwindows - void SizeWindows(); + virtual void SizeWindows(); - // Initialize colours - void InitColours(); +#ifdef __WXMAC__ + virtual bool MacClipGrandChildren() const { return true ; } +#endif + + // Sets the sash size: this doesn't do anything and shouldn't be used at + // all any more. + wxDEPRECATED_INLINE( void SetSashSize(int WXUNUSED(width)), return; ) protected: - // our event handlers - void OnSashPosChanged(wxSplitterEvent& event); - void OnSashPosChanging(wxSplitterEvent& event); - void OnDoubleClick(wxSplitterEvent& event); - void OnUnsplitEvent(wxSplitterEvent& event); + // event handlers +#if defined(__WXMSW__) || defined(__WXMAC__) + void OnSetCursor(wxSetCursorEvent& event); +#endif // wxMSW + + // send the given event, return false if the event was processed and vetoed + // by the user code + bool DoSendEvent(wxSplitterEvent& event); + + // common part of all ctors + void Init(); + + // common part of SplitVertically() and SplitHorizontally() + bool DoSplit(wxSplitMode mode, + wxWindow *window1, wxWindow *window2, + int sashPosition); + + // adjusts sash position with respect to min. pane and window sizes + int AdjustSashPosition(int sashPos) const; + + // get either width or height depending on the split mode + int GetWindowSize() const; + + // convert the user specified sash position which may be > 0 (as is), < 0 + // (specifying the size of the right pane) or 0 (use default) to the real + // position to be passed to DoSetSashPosition() + int ConvertSashPosition(int sashPos) const; + + // set the real sash position, sashPos here must be positive + // + // returns true if the sash position has been changed, false otherwise + bool DoSetSashPosition(int sashPos); + + // set the sash position and send an event about it having been changed + void SetSashPositionAndNotify(int sashPos); + + // callbacks executed when we detect that the mouse has entered or left + // the sash + virtual void OnEnterSash(); + virtual void OnLeaveSash(); - void SendUnsplitEvent(wxWindow *winRemoved); + // set the cursor appropriate for the current split mode + void SetResizeCursor(); - int m_splitMode; - bool m_permitUnsplitAlways; - bool m_needUpdating; // when in live mode, set the to TRUE to resize children in idle + // redraw the splitter if its "hotness" changed if necessary + void RedrawIfHotSensitive(bool isHot); + + // return the best size of the splitter equal to best sizes of its + // subwindows + virtual wxSize DoGetBestSize() const; + + + wxSplitMode m_splitMode; wxWindow* m_windowOne; wxWindow* m_windowTwo; int m_dragMode; - int m_oldX; - int m_oldY; - int m_borderSize; - int m_sashSize; // Sash width or height + int m_oldX; // current tracker position if not live mode + int m_oldY; // current tracker position if not live mode int m_sashPosition; // Number of pixels from left or top - int m_firstX; - int m_firstY; + double m_sashGravity; + wxSize m_lastSize; + int m_requestedSashPosition; + int m_sashPositionCurrent; // while dragging + wxPoint m_ptStart; // mouse position when dragging started + int m_sashStart; // sash position when dragging started int m_minimumPaneSize; - wxCursor* m_sashCursorWE; - wxCursor* m_sashCursorNS; - wxPen* m_sashTrackerPen; - wxPen* m_lightShadowPen; - wxPen* m_mediumShadowPen; - wxPen* m_darkShadowPen; - wxPen* m_hilightPen; - wxBrush* m_faceBrush; - wxPen* m_facePen; + wxCursor m_sashCursorWE; + wxCursor m_sashCursorNS; + wxPen *m_sashTrackerPen; + + // when in live mode, set this to true to resize children in idle + bool m_needUpdating:1; + bool m_permitUnsplitAlways:1; + bool m_isHot:1; private: DECLARE_DYNAMIC_CLASS(wxSplitterWindow) DECLARE_EVENT_TABLE() + wxDECLARE_NO_COPY_CLASS(wxSplitterWindow); }; // ---------------------------------------------------------------------------- @@ -227,16 +315,18 @@ private: // usual wxWin convention, but the three event types have different kind of // data associated with them, so the accessors can be only used if the real // event type matches with the one for which the accessors make sense -class WXDLLEXPORT wxSplitterEvent : public wxCommandEvent +class WXDLLIMPEXP_CORE wxSplitterEvent : public wxNotifyEvent { public: wxSplitterEvent(wxEventType type = wxEVT_NULL, - wxSplitterWindow *splitter = (wxSplitterWindow *)NULL) - : wxCommandEvent(type) + wxSplitterWindow *splitter = NULL) + : wxNotifyEvent(type) { SetEventObject(splitter); if (splitter) m_id = splitter->GetId(); } + wxSplitterEvent(const wxSplitterEvent& event) + : wxNotifyEvent(event), m_data(event.m_data) { } // SASH_POS_CHANGED methods @@ -281,8 +371,10 @@ public: return m_data.pt.y; } + virtual wxEvent *Clone() const { return new wxSplitterEvent(*this); } + private: - friend class WXDLLEXPORT wxSplitterWindow; + friend class WXDLLIMPEXP_FWD_CORE wxSplitterWindow; // data for the different types of event union @@ -295,45 +387,27 @@ private: } pt; // position of double click for DCLICK event } m_data; - DECLARE_DYNAMIC_CLASS(wxSplitterEvent) + DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxSplitterEvent) }; typedef void (wxEvtHandler::*wxSplitterEventFunction)(wxSplitterEvent&); -#define EVT_SPLITTER_SASH_POS_CHANGED(id, fn) \ - { \ - wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, \ - id, \ - -1, \ - (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ - NULL \ - }, - -#define EVT_SPLITTER_SASH_POS_CHANGING(id, fn) \ - { \ - wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING, \ - id, \ - -1, \ - (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ - NULL \ - }, - -#define EVT_SPLITTER_DCLICK(id, fn) \ - { \ - wxEVT_COMMAND_SPLITTER_DOUBLECLICKED, \ - id, \ - -1, \ - (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ - NULL \ - }, - -#define EVT_SPLITTER_UNSPLIT(id, fn) \ - { \ - wxEVT_COMMAND_SPLITTER_UNSPLIT, \ - id, \ - -1, \ - (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ - NULL \ - }, - -#endif // __SPLITTERH_G__ +#define wxSplitterEventHandler(func) \ + wxEVENT_HANDLER_CAST(wxSplitterEventFunction, func) + +#define wx__DECLARE_SPLITTEREVT(evt, id, fn) \ + wx__DECLARE_EVT1(wxEVT_COMMAND_SPLITTER_ ## evt, id, wxSplitterEventHandler(fn)) + +#define EVT_SPLITTER_SASH_POS_CHANGED(id, fn) \ + wx__DECLARE_SPLITTEREVT(SASH_POS_CHANGED, id, fn) + +#define EVT_SPLITTER_SASH_POS_CHANGING(id, fn) \ + wx__DECLARE_SPLITTEREVT(SASH_POS_CHANGING, id, fn) + +#define EVT_SPLITTER_DCLICK(id, fn) \ + wx__DECLARE_SPLITTEREVT(DOUBLECLICKED, id, fn) + +#define EVT_SPLITTER_UNSPLIT(id, fn) \ + wx__DECLARE_SPLITTEREVT(UNSPLIT, id, fn) + +#endif // _WX_GENERIC_SPLITTER_H_