X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c33c405087d33bb001be979c8bca5146f5133d48..2b4313be0563fff16f310698c4aadf0a5ff2b9b8:/include/wx/treectrl.h diff --git a/include/wx/treectrl.h b/include/wx/treectrl.h index 0fce45a8a2..4c37eb0877 100644 --- a/include/wx/treectrl.h +++ b/include/wx/treectrl.h @@ -1,19 +1,214 @@ #ifndef _WX_TREECTRL_H_BASE_ #define _WX_TREECTRL_H_BASE_ +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#include "wx/control.h" +#include "wx/event.h" + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +// enum for different images associated with a treectrl item +enum wxTreeItemIcon +{ + wxTreeItemIcon_Normal, // not selected, not expanded + wxTreeItemIcon_Selected, // selected, not expanded + wxTreeItemIcon_Expanded, // not selected, expanded + wxTreeItemIcon_SelectedExpanded, // selected, expanded + wxTreeItemIcon_Max +}; + + +// values for the `flags' parameter of wxTreeCtrl::HitTest() which determine +// where exactly the specified point is situated: + +static const int wxTREE_HITTEST_ABOVE = 0x0001; +static const int wxTREE_HITTEST_BELOW = 0x0002; +static const int wxTREE_HITTEST_NOWHERE = 0x0004; + // on the button associated with an item. +static const int wxTREE_HITTEST_ONITEMBUTTON = 0x0008; + // on the bitmap associated with an item. +static const int wxTREE_HITTEST_ONITEMICON = 0x0010; + // on the indent associated with an item. +static const int wxTREE_HITTEST_ONITEMINDENT = 0x0020; + // on the label (string) associated with an item. +static const int wxTREE_HITTEST_ONITEMLABEL = 0x0040; + // on the right of the label associated with an item. +static const int wxTREE_HITTEST_ONITEMRIGHT = 0x0080; + // on the label (string) associated with an item. +static const int wxTREE_HITTEST_ONITEMSTATEICON = 0x0100; + // on the left of the wxTreeCtrl. +static const int wxTREE_HITTEST_TOLEFT = 0x0200; + // on the right of the wxTreeCtrl. +static const int wxTREE_HITTEST_TORIGHT = 0x0400; + // on the upper part (first half) of the item. +static const int wxTREE_HITTEST_ONITEMUPPERPART = 0x0800; + // on the lower part (second half) of the item. +static const int wxTREE_HITTEST_ONITEMLOWERPART = 0x1000; + + // anywhere on the item +static const int wxTREE_HITTEST_ONITEM = wxTREE_HITTEST_ONITEMICON | + wxTREE_HITTEST_ONITEMLABEL; + +// tree ctrl default name +WXDLLEXPORT_DATA(extern const char*) wxTreeCtrlNameStr; + +// ---------------------------------------------------------------------------- +// wxTreeItemAttr: a structure containing the visual attributes of an item +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTreeItemAttr +{ +public: + // ctors + wxTreeItemAttr() { } + wxTreeItemAttr(const wxColour& colText, + const wxColour& colBack, + const wxFont& font) + : m_colText(colText), m_colBack(colBack), m_font(font) { } + + // setters + void SetTextColour(const wxColour& colText) { m_colText = colText; } + void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; } + void SetFont(const wxFont& font) { m_font = font; } + + // accessors + bool HasTextColour() const { return m_colText.Ok(); } + bool HasBackgroundColour() const { return m_colBack.Ok(); } + bool HasFont() const { return m_font.Ok(); } + + const wxColour& GetTextColour() const { return m_colText; } + const wxColour& GetBackgroundColour() const { return m_colBack; } + const wxFont& GetFont() const { return m_font; } + +private: + wxColour m_colText, + m_colBack; + wxFont m_font; +}; + +// ---------------------------------------------------------------------------- +// include the platform-dependent wxTreeCtrl class +// ---------------------------------------------------------------------------- + #if defined(__WXMSW__) -#include "wx/msw/treectrl.h" + #ifdef __WIN16__ + #include "wx/generic/treectrl.h" + #else + #include "wx/msw/treectrl.h" + #endif #elif defined(__WXMOTIF__) -#include "wx/generic/treectrl.h" + #include "wx/generic/treectrl.h" #elif defined(__WXGTK__) -#include "wx/generic/treectrl.h" + #include "wx/generic/treectrl.h" #elif defined(__WXQT__) -#include "wx/qt/treectrl.h" + #include "wx/qt/treectrl.h" #elif defined(__WXMAC__) -#include "wx/generic/treectrl.h" + #include "wx/generic/treectrl.h" +#elif defined(__WXPM__) + #include "wx/generic/treectrl.h" #elif defined(__WXSTUBS__) -#include "wx/generic/treectrl.h" + #include "wx/generic/treectrl.h" #endif +// ---------------------------------------------------------------------------- +// wxTreeEvent is a special class for all events associated with tree controls +// +// NB: note that not all accessors make sense for all events, see the event +// descriptions below +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent +{ + friend class WXDLLEXPORT wxTreeCtrl; + +public: + wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0); + + // accessors + // get the item on which the operation was performed or the newly + // selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events + wxTreeItemId GetItem() const { return m_item; } + + // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously + // selected item + wxTreeItemId GetOldItem() const { return m_itemOld; } + + // the point where the mouse was when the drag operation started (for + // wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only) + wxPoint GetPoint() const { return m_pointDrag; } + + // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only) + int GetCode() const { return m_code; } + + // label (for EVT_TREE_{BEGIN|END}_LABEL_EDIT only) + const wxString& GetLabel() const { return m_label; } + +private: + // TODO we could save some space by using union here + int m_code; + wxTreeItemId m_item, + m_itemOld; + wxPoint m_pointDrag; + wxString m_label; + + DECLARE_DYNAMIC_CLASS(wxTreeEvent) +}; + +typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&); + +// ---------------------------------------------------------------------------- +// macros for handling tree control events +// ---------------------------------------------------------------------------- + +// GetItem() returns the item being dragged, GetPoint() the mouse coords +#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, +#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, + +// GetItem() returns the itme whose label is being edited, GetLabel() returns +// the current item label for BEGIN and the would be new one for END. +// +// Vetoing BEGIN event means that label editing won't happen at all, +// vetoing END means that the new value is discarded and the old one kept +#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, +#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, + +// provide/update information about GetItem() item +#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, +#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, + +// GetItem() is the item being expanded/collapsed, the "ING" versions can use +#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, +#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, +#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, +#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, + +// GetOldItem() is the item which had the selection previously, GetItem() is +// the item which acquires selection +#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, +#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, + +// GetCode() returns the key code +// NB: this is the only message for which GetItem() is invalid (you may get the +// item from GetSelection()) +#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, + +// GetItem() returns the item being deleted, the associated data (if any) will +// be deleted just after the return of this event handler (if any) +#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, + +// GetItem() returns the item that was activated (double click, enter, space) +#define EVT_TREE_ITEM_ACTIVATED(id, fn) { wxEVT_COMMAND_TREE_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, + +// GetItem() returns the item that was clicked on +#define EVT_TREE_ITEM_RIGHT_CLICK(id, fn) { wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, +#define EVT_TREE_ITEM_MIDDLE_CLICK(id, fn) { wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, + #endif // _WX_TREECTRL_H_BASE_ + +