X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d559d69c8115c8aaabba70f37d49b4effbc2ab2..10769d8c47c21fe0ec5034726791a5ad4cf19475:/include/wx/generic/splitter.h diff --git a/include/wx/generic/splitter.h b/include/wx/generic/splitter.h index 50781e4424..beaba72ac5 100644 --- a/include/wx/generic/splitter.h +++ b/include/wx/generic/splitter.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: splitter.h +// Name: wx/splitter.h // Purpose: wxSplitterWindow class // Author: Julian Smart // Modified by: @@ -13,27 +13,36 @@ #define __SPLITTERH_G__ #ifdef __GNUG__ -#pragma interface "splitter.h" + #pragma interface "splitter.h" #endif -#include "wx/defs.h" -#include "wx/window.h" -#include "wx/string.h" +#include "wx/window.h" // base class declaration +#include "wx/containr.h" // wxControlContainer -#define WXSPLITTER_VERSION 1.0 +class WXDLLEXPORT wxSplitterEvent; -#define wxSPLIT_HORIZONTAL 1 -#define wxSPLIT_VERTICAL 2 +// --------------------------------------------------------------------------- +// splitter constants +// --------------------------------------------------------------------------- -#define wxSPLIT_DRAG_NONE 0 -#define wxSPLIT_DRAG_DRAGGING 1 -#define wxSPLIT_DRAG_LEFT_DOWN 2 +enum wxSplitMode +{ + wxSPLIT_HORIZONTAL = 1, + wxSPLIT_VERTICAL +}; + +enum +{ + wxSPLIT_DRAG_NONE, + wxSPLIT_DRAG_DRAGGING, + wxSPLIT_DRAG_LEFT_DOWN +}; -/* - * wxSplitterWindow maintains one or two panes, with - * an optional vertical or horizontal split which - * can be used with the mouse or programmatically. - */ +// --------------------------------------------------------------------------- +// wxSplitterWindow maintains one or two panes, with +// an optional vertical or horizontal split which +// can be used with the mouse or programmatically. +// --------------------------------------------------------------------------- // TODO: // 1) Perhaps make the borders sensitive to dragging in order to create a split. @@ -52,15 +61,29 @@ public: // Public API // Default constructor - wxSplitterWindow(); + wxSplitterWindow() + { + Init(); + } // Normal constructor wxSplitterWindow(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, - long style = wxSP_3D|wxCLIP_CHILDREN, + long style = wxSP_3D, + const wxString& name = "splitter") + { + Init(); + Create(parent, id, pos, size, style, name); + } + + virtual ~wxSplitterWindow(); + + bool Create(wxWindow *parent, wxWindowID id = -1, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxSP_3D, const wxString& name = "splitter"); - ~wxSplitterWindow(); // Gets the only or left/top pane wxWindow *GetWindow1() const { return m_windowOne; } @@ -69,10 +92,16 @@ 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, + _T("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); @@ -83,17 +112,23 @@ public: // 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. - bool SplitVertically(wxWindow *window1, - wxWindow *window2, - int sashPosition = 0); - bool SplitHorizontally(wxWindow *window1, - wxWindow *window2, - int sashPosition = 0); + virtual bool SplitVertically(wxWindow *window1, + wxWindow *window2, + int sashPosition = 0) + { return DoSplit(wxSPLIT_VERTICAL, window1, window2, sashPosition); } + virtual bool SplitHorizontally(wxWindow *window1, + wxWindow *window2, + 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); + // Replaces one of the windows with another one (neither old nor new + // parameter should be NULL) + bool ReplaceWindow(wxWindow *winOld, wxWindow *winNew); + // Is the window split? bool IsSplit() const { return (m_windowTwo != NULL); } @@ -110,24 +145,32 @@ public: int GetBorderSize() const { return m_borderSize; } // Set the sash position - void SetSashPosition(int position, bool redaw = TRUE); + void SetSashPosition(int position, bool redraw = TRUE); // Gets the sash position int GetSashPosition() const { return m_sashPosition; } // 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. + // Repositions sash to minimum position if pane would be too small. // newSashPosition here is always positive or zero. 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 *removed) { removed->Show(FALSE); } + virtual void OnUnsplit(wxWindow *removed); // Called when the sash is double-clicked. // The default behaviour is to remove the sash if the @@ -146,26 +189,74 @@ public: // 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); + virtual void DrawBorders(wxDC& dc); // 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, int tolerance = 2); // Resizes subwindows - void SizeWindows(); + virtual void SizeWindows(); // Initialize colours void InitColours(); + void SetNeedUpdating(bool needUpdating) { m_needUpdating = needUpdating; } + bool GetNeedUpdating() const { return m_needUpdating ; } + +protected: + // event handlers +#ifdef __WXMSW__ + void OnSetCursor(wxSetCursorEvent& event); +#endif // wxMSW + + // send the given event, return FALSE if the event was processed and vetoed + // by the user code + inline bool DoSendEvent(wxSplitterEvent& event); + protected: - int m_splitMode; + // 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); + + // set the cursor appropriate for the current split mode + void SetResizeCursor(); + + wxSplitMode m_splitMode; + bool m_permitUnsplitAlways; + bool m_needUpdating; // when in live mode, set this to TRUE to resize children in idle wxWindow* m_windowOne; wxWindow* m_windowTwo; int m_dragMode; @@ -174,11 +265,13 @@ protected: int m_borderSize; int m_sashSize; // Sash width or height int m_sashPosition; // Number of pixels from left or top + int m_requestedSashPosition; + int m_sashPositionCurrent; // while dragging int m_firstX; int m_firstY; int m_minimumPaneSize; - wxCursor* m_sashCursorWE; - wxCursor* m_sashCursorNS; + wxCursor m_sashCursorWE; + wxCursor m_sashCursorNS; wxPen* m_sashTrackerPen; wxPen* m_lightShadowPen; wxPen* m_mediumShadowPen; @@ -188,8 +281,127 @@ protected: wxPen* m_facePen; private: + WX_DECLARE_CONTROL_CONTAINER(); + DECLARE_DYNAMIC_CLASS(wxSplitterWindow) DECLARE_EVENT_TABLE() }; +// ---------------------------------------------------------------------------- +// event class and macros +// ---------------------------------------------------------------------------- + +// we reuse the same class for all splitter event types because this is the +// 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 wxNotifyEvent +{ +public: + wxSplitterEvent(wxEventType type = wxEVT_NULL, + wxSplitterWindow *splitter = (wxSplitterWindow *)NULL) + : wxNotifyEvent(type) + { + SetEventObject(splitter); + if (splitter) m_id = splitter->GetId(); + } + + // SASH_POS_CHANGED methods + + // setting the sash position to -1 prevents the change from taking place at + // all + void SetSashPosition(int pos) + { + wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED + || GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING); + + m_data.pos = pos; + } + + int GetSashPosition() const + { + wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED + || GetEventType() == wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING); + + return m_data.pos; + } + + // UNSPLIT event methods + wxWindow *GetWindowBeingRemoved() const + { + wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_UNSPLIT ); + + return m_data.win; + } + + // DCLICK event methods + int GetX() const + { + wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_DOUBLECLICKED ); + + return m_data.pt.x; + } + + int GetY() const + { + wxASSERT( GetEventType() == wxEVT_COMMAND_SPLITTER_DOUBLECLICKED ); + + return m_data.pt.y; + } + +private: + friend class WXDLLEXPORT wxSplitterWindow; + + // data for the different types of event + union + { + int pos; // position for SASH_POS_CHANGED event + wxWindow *win; // window being removed for UNSPLIT event + struct + { + int x, y; + } pt; // position of double click for DCLICK event + } m_data; + + DECLARE_DYNAMIC_CLASS(wxSplitterEvent) +}; + +typedef void (wxEvtHandler::*wxSplitterEventFunction)(wxSplitterEvent&); + +#define EVT_SPLITTER_SASH_POS_CHANGED(id, fn) \ + DECLARE_EVENT_TABLE_ENTRY( \ + wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, \ + id, \ + -1, \ + (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ + NULL \ + ), + +#define EVT_SPLITTER_SASH_POS_CHANGING(id, fn) \ + DECLARE_EVENT_TABLE_ENTRY( \ + wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING, \ + id, \ + -1, \ + (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ + NULL \ + ), + +#define EVT_SPLITTER_DCLICK(id, fn) \ + DECLARE_EVENT_TABLE_ENTRY( \ + wxEVT_COMMAND_SPLITTER_DOUBLECLICKED, \ + id, \ + -1, \ + (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ + NULL \ + ), + +#define EVT_SPLITTER_UNSPLIT(id, fn) \ + DECLARE_EVENT_TABLE_ENTRY( \ + wxEVT_COMMAND_SPLITTER_UNSPLIT, \ + id, \ + -1, \ + (wxObjectEventFunction)(wxEventFunction)(wxSplitterEventFunction) &fn, \ + NULL \ + ), + #endif // __SPLITTERH_G__