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handle actions of the columns popup menu in wxHeaderCtrl itself (but the derived class must implement UpdateColumnVisibility()); also renamed wxHD_DRAGDROP to wxHD_ALLOW_REORDER as it will be possible to reorder columns interactively using a customization dialog and not just by dragging them soon

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57363 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-15 22:42:37 +00:00
parent c2ee27612a
commit 613de0e89e
6 changed files with 116 additions and 53 deletions
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39
include/wx/headerctrl.h
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@@ -30,10 +30,14 @@ class WXDLLIMPEXP_FWD_CORE wxHeaderCtrlEvent;
enum
{
// allow column drag and drop
wxHD_DRAGDROP = 0x0001,
wxHD_ALLOW_REORDER = 0x0001,
// allow hiding (and showing back) the columns using the menu shown by
// right clicking the header
wxHD_ALLOW_HIDE = 0x0002,
// style used by default when creating the control
wxHD_DEFAULT_STYLE = wxHD_DRAGDROP
wxHD_DEFAULT_STYLE = wxHD_ALLOW_REORDER
};
extern WXDLLIMPEXP_DATA_CORE(const char) wxHeaderCtrlNameStr[];
@@ -118,11 +122,22 @@ public:
// ----------
// show the popup menu containing all columns with check marks for the ones
// which are currently shown -- this is meant to be called from
// EVT_HEADER_RIGHT_CLICK handler and should toggle the visibility of the
// n-th column if the function returns valid column index and not wxID_NONE
// which is returned if the user cancels the menu
int ShowColumnsMenu(const wxString& title = wxString());
// which are currently shown and return true if something was done using it
// (in this case UpdateColumnVisibility() will have been called) or false
// if the menu was cancelled
//
// this is called from the default right click handler for the controls
// with wxHD_ALLOW_HIDE style
bool ShowColumnsMenu(const wxPoint& pt, const wxString& title = wxString());
// show the columns customization dialog and return true if something was
// changed using it (in which case UpdateColumnVisibility() and/or
// UpdateColumnWidth() will have been called)
//
// this is called by the control itself from ShowColumnsMenu() (which in
// turn is only called by the control if wxHD_ALLOW_HIDE style was
// specified) and if the control has wxHD_ALLOW_REORDER style as well
bool ShowCustomizeDialog();
// implementation only from now on
@@ -150,6 +165,15 @@ protected:
return false;
}
// this method is called from ShowColumnsMenu() and must be overridden to
// update the internal column visibility (there is no need to call
// UpdateColumn() from here, this will be done internally)
virtual void UpdateColumnVisibility(unsigned int WXUNUSED(idx),
bool WXUNUSED(show))
{
wxFAIL_MSG( "must be overridden if called" );
}
// this method can be overridden in the derived classes to do something
// (e.g. update/resize some internal data structures) before the number of
// columns in the control changes
@@ -177,6 +201,7 @@ private:
// event handlers
void OnSeparatorDClick(wxHeaderCtrlEvent& event);
void OnRClick(wxHeaderCtrlEvent& event);
DECLARE_EVENT_TABLE()
};