X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d559d69c8115c8aaabba70f37d49b4effbc2ab2..dad5f99acb6b3400ff73562c03db2f3f21b658cd:/include/wx/generic/splitter.h diff --git a/include/wx/generic/splitter.h b/include/wx/generic/splitter.h index 50781e4424..09fa572b01 100644 --- a/include/wx/generic/splitter.h +++ b/include/wx/generic/splitter.h @@ -13,27 +13,35 @@ #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 -#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 +{ + 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. @@ -52,16 +60,30 @@ 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, - const wxString& name = "splitter"); + long style = wxSP_3D, + const wxString& name = "splitter") + { + Init(); + Create(parent, id, pos, size, style, name); + } + ~wxSplitterWindow(); + bool Create(wxWindow *parent, wxWindowID id = -1, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxSP_3D, + const wxString& name = "splitter"); + // Gets the only or left/top pane wxWindow *GetWindow1() const { return m_windowOne; } @@ -83,17 +105,21 @@ 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); + virtual bool SplitHorizontally(wxWindow *window1, + wxWindow *window2, + int sashPosition = 0); // 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); } @@ -110,7 +136,7 @@ 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; } @@ -121,18 +147,20 @@ public: // 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); + virtual bool OnSashPositionChange(int WXUNUSED(newSashPosition)) + { return TRUE; } // 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 *WXUNUSED(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 x, int y); + virtual void OnDoubleClickSash(int WXUNUSED(x), int WXUNUSED(y)) { } //////////////////////////////////////////////////////////////////////////// // Implementation @@ -146,26 +174,47 @@ 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: + // our event handlers + void OnSashPosChanged(wxSplitterEvent& event); + void OnSashPosChanging(wxSplitterEvent& event); + void OnDoubleClick(wxSplitterEvent& event); + void OnUnsplitEvent(wxSplitterEvent& event); + void OnSetCursor(wxSetCursorEvent& event); + + void SendUnsplitEvent(wxWindow *winRemoved); + +protected: + void Init(); + + int 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; @@ -192,4 +241,121 @@ private: 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 wxCommandEvent +{ +public: + wxSplitterEvent(wxEventType type = wxEVT_NULL, + wxSplitterWindow *splitter = (wxSplitterWindow *)NULL) + : wxCommandEvent(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__