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Cancel dragging in wxAuiNotebook on capture loss.

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Don't leave the display and internal variables in inconsistent state when the
mouse capture is lost while a notebook page is being dragged (as can happen
if Alt-Tab is pressed under Windows, for example).

Closes #9976.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67737 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2011-05-14 14:17:52 +00:00
parent 7311debd0d
commit 2bd82d72f5
2 changed files with 27 additions and 0 deletions
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1
include/wx/aui/auibook.h
View File

@ -627,6 +627,7 @@ protected:
void OnTabBeginDrag(wxAuiNotebookEvent& evt);
void OnTabDragMotion(wxAuiNotebookEvent& evt);
void OnTabEndDrag(wxAuiNotebookEvent& evt);
void OnTabCancelDrag(wxAuiNotebookEvent& evt);
void OnTabButton(wxAuiNotebookEvent& evt);
void OnTabMiddleDown(wxAuiNotebookEvent& evt);
void OnTabMiddleUp(wxAuiNotebookEvent& evt);

26
src/aui/auibook.cpp
View File

@ -48,6 +48,7 @@ wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED, wxAuiNotebookEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, wxAuiNotebookEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, wxAuiNotebookEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, wxAuiNotebookEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG, wxAuiNotebookEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, wxAuiNotebookEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, wxAuiNotebookEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, wxAuiNotebookEvent);
@ -2306,6 +2307,16 @@ void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
void wxAuiTabCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
{
if (m_is_dragging)
{
m_is_dragging = false;
wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG, m_windowId);
evt.SetSelection(GetIdxFromWindow(m_click_tab));
evt.SetOldSelection(evt.GetSelection());
evt.SetEventObject(this);
GetEventHandler()->ProcessEvent(evt);
}
}
void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
@ -2824,6 +2835,9 @@ BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
wxAuiNotebook::OnTabEndDrag)
EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG,
wxAuiNotebook::OnTabCancelDrag)
EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
wxAuiNotebook::OnTabDragMotion)
@ -4114,6 +4128,18 @@ void wxAuiNotebook::OnTabEndDrag(wxAuiNotebookEvent& evt)
void wxAuiNotebook::OnTabCancelDrag(wxAuiNotebookEvent& command_evt)
{
wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
m_mgr.HideHint();
wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
wxCHECK_RET( src_tabs, _T("no source object?") );
src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
}
wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
{
// if we've just removed the last tab from the source