X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/646a8a4d0e965993411ae958ffbd6e7a7d87678c..3bf93e1e9ac6b61e5220967d2ada2d4faec4dd9c:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index 8cc634935e..2df7fb4f75 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -32,6 +32,11 @@ #include "wx/msw/private.h" +// include "properly" +#include "wx/msw/wrapcctl.h" + +#include "wx/msw/missing.h" + // Set this to 1 to be _absolutely_ sure that repainting will work for all // comctl32.dll versions #define wxUSE_COMCTL32_SAFELY 0 @@ -44,9 +49,6 @@ #include "wx/msw/treectrl.h" #include "wx/msw/dragimag.h" -// include "properly" -#include "wx/msw/wrapcctl.h" - // macros to hide the cast ugliness // -------------------------------- @@ -346,7 +348,8 @@ public: { m_selections.Empty(); - DoTraverse(tree->GetRootItem()); + if (tree->GetCount() > 0) + DoTraverse(tree->GetRootItem()); } virtual bool OnVisit(const wxTreeItemId& item) @@ -677,7 +680,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, wstyle |= TVS_CHECKBOXES; #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE -#ifndef __WXWINCE__ +#if !defined(__WXWINCE__) && defined(TVS_INFOTIP) // Need so that TVN_GETINFOTIP messages will be sent wstyle |= TVS_INFOTIP; #endif @@ -1951,6 +1954,8 @@ void wxTreeCtrl::UnselectAll() ::UnselectItem(GetHwnd(), HITEM_PTR(selections[n])); #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE } + + m_htSelStart.Unset(); } else { @@ -2241,17 +2246,42 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara WXLRESULT rc = 0; bool isMultiple = HasFlag(wxTR_MULTIPLE); -#ifdef WM_CONTEXTMENU + // This message is sent after a right-click, or when the "menu" key is pressed if ( nMsg == WM_CONTEXTMENU ) { + int x = GET_X_LPARAM(lParam), + y = GET_Y_LPARAM(lParam); + // Convert the screen point to a client point + wxPoint MenuPoint = ScreenToClient(wxPoint(x, y)); + wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_MENU, GetId() ); - event.m_item = GetSelection(); + + // can't use GetSelection() here as it would assert in multiselect mode + event.m_item = wxTreeItemId(TreeView_GetSelection(GetHwnd())); event.SetEventObject( this ); + + // Get the bounding rectangle for the item, including the non-text areas + wxRect ItemRect; + GetBoundingRect(event.m_item, ItemRect, false); + // If the point is inside the bounding rectangle, use it as the click position. + // This should be the case for WM_CONTEXTMENU as the result of a right-click + if (ItemRect.Inside(MenuPoint)) + { + event.m_pointDrag = MenuPoint; + } + // Use the Explorer standard of putting the menu at the left edge of the text, + // in the vertical middle of the text. Should be the case for the "menu" key + else + { + // Use the bounding rectangle of only the text part + GetBoundingRect(event.m_item, ItemRect, true); + event.m_pointDrag = wxPoint(ItemRect.GetX(), ItemRect.GetY() + ItemRect.GetHeight() / 2); + } + if ( GetEventHandler()->ProcessEvent(event) ) processed = true; //else: continue with generating wxEVT_CONTEXT_MENU in base class code } -#endif // WM_CONTEXTMENU else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) { // we only process mouse messages here and these parameters have the @@ -2275,13 +2305,6 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara // newly selected item ::SelectItem(GetHwnd(), htItem); ::SetFocus(GetHwnd(), htItem); - - // default WM_RBUTTONUP handler enters modal loop inside - // DefWindowProc() waiting for WM_RBUTTONDOWN and then sends - // the resulting WM_CONTEXTMENU to the parent window, not us, - // which completely breaks everything so simply don't let it - // see this message at all - processed = true; break; #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE @@ -2443,79 +2466,82 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara bool bCtrl = wxIsCtrlDown(), bShift = wxIsShiftDown(); - // we handle.arrows and space, but not page up/down and home/end: the - // latter should be easy, but not the former - HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); - if ( !m_htSelStart ) + switch ( wParam ) { - m_htSelStart = htSel; - } - - if ( wParam == VK_SPACE ) - { - if ( bCtrl ) - { - ::ToggleItemSelection(GetHwnd(), htSel); - } - else - { - UnselectAll(); - - ::SelectItem(GetHwnd(), htSel); - } + case VK_SPACE: + if ( bCtrl ) + { + ::ToggleItemSelection(GetHwnd(), htSel); + } + else + { + UnselectAll(); - processed = true; - } - else if ( wParam == VK_UP || wParam == VK_DOWN ) - { - if ( !bCtrl && !bShift ) - { - // no modifiers, just clear selection and then let the default - // processing to take place - UnselectAll(); - } - else if ( htSel ) - { - (void)wxControl::MSWWindowProc(nMsg, wParam, lParam); + ::SelectItem(GetHwnd(), htSel); + } - HTREEITEM htNext = (HTREEITEM)(wParam == VK_UP - ? TreeView_GetPrevVisible(GetHwnd(), htSel) - : TreeView_GetNextVisible(GetHwnd(), htSel)); + processed = true; + break; - if ( !htNext ) + case VK_UP: + case VK_DOWN: + if ( !bCtrl && !bShift ) { - // at the top/bottom - htNext = htSel; + // no modifiers, just clear selection and then let the default + // processing to take place + UnselectAll(); } - - if ( bShift ) + else if ( htSel ) { - SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext); + (void)wxControl::MSWWindowProc(nMsg, wParam, lParam); + + HTREEITEM htNext = (HTREEITEM) + TreeView_GetNextItem + ( + GetHwnd(), + htSel, + wParam == VK_UP ? TVGN_PREVIOUSVISIBLE + : TVGN_NEXTVISIBLE + ); + + if ( !htNext ) + { + // at the top/bottom + htNext = htSel; + } + + if ( bShift ) + { + if ( !m_htSelStart ) + m_htSelStart = htSel; + + SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext); + } + else // bCtrl + { + // without changing selection + ::SetFocus(GetHwnd(), htNext); + } + + processed = true; } - else // bCtrl + break; + + case VK_HOME: + case VK_END: + case VK_PRIOR: + case VK_NEXT: + // TODO: handle Shift/Ctrl with these keys + if ( !bCtrl && !bShift ) { - // without changing selection - ::SetFocus(GetHwnd(), htNext); - } + UnselectAll(); - processed = true; - } + m_htSelStart.Unset(); + } } } #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - else if ( nMsg == WM_CHAR ) - { - // don't let the control process Space and Return keys because it - // doesn't do anything useful with them anyhow but always beeps - // annoyingly when it receives them and there is no way to turn it off - // simply if you just process TREEITEM_ACTIVATED event to which Space - // and Enter presses are mapped in your code - if ( wParam == VK_SPACE || wParam == VK_RETURN ) - { - processed = true; - } - } else if ( nMsg == WM_COMMAND ) { // if we receive a EN_KILLFOCUS command from the in-place edit control @@ -2541,6 +2567,46 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara return rc; } +WXLRESULT +wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +{ + // default WM_RBUTTONDOWN handler enters modal loop inside DefWindowProc() + // waiting for WM_RBUTTONUP and then sends the resulting WM_CONTEXTMENU to + // the parent window, not us, which completely breaks everything so simply + // don't let it see this message at all + if ( nMsg == WM_RBUTTONDOWN ) + return 0; + + // but because of the above we don't get NM_RCLICK which is normally + // generated by tree window proc when the modal loop mentioned above ends + // because the mouse is released -- synthesize it ourselves instead + if ( nMsg == WM_RBUTTONUP ) + { + NMHDR hdr; + hdr.hwndFrom = GetHwnd(); + hdr.idFrom = GetId(); + hdr.code = NM_RCLICK; + + WXLPARAM rc; + MSWOnNotify(GetId(), (LPARAM)&hdr, &rc); + + // continue as usual + } + + if ( nMsg == WM_CHAR ) + { + // also don't let the control process Space and Return keys because it + // doesn't do anything useful with them anyhow but always beeps + // annoyingly when it receives them and there is no way to turn it off + // simply if you just process TREEITEM_ACTIVATED event to which Space + // and Enter presses are mapped in your code + if ( wParam == VK_SPACE || wParam == VK_RETURN ) + return 0; + } + + return wxControl::MSWDefWindowProc(nMsg, wParam, lParam); +} + // process WM_NOTIFY Windows message bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { @@ -2629,6 +2695,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; } +#ifdef TVN_GETINFOTIP case TVN_GETINFOTIP: { eventType = wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP; @@ -2639,6 +2706,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; } +#endif #endif case TVN_GETDISPINFO: @@ -2993,6 +3061,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; #ifndef __WXWINCE__ +#ifdef TVN_GETINFOTIP case TVN_GETINFOTIP: { // If the user permitted a tooltip change, change it @@ -3002,6 +3071,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } } break; +#endif #endif case TVN_SELCHANGING: