X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aa61d3525370a9b9fa8c797d9b7f89d96994db5f..69659fd770f615210efac4b4fa741b3ad6223616:/src/univ/listbox.cpp diff --git a/src/univ/listbox.cpp b/src/univ/listbox.cpp index c54214e879..7aaa9953f3 100644 --- a/src/univ/listbox.cpp +++ b/src/univ/listbox.cpp @@ -37,6 +37,62 @@ #include "wx/univ/inphand.h" #include "wx/univ/theme.h" +// ---------------------------------------------------------------------------- +// wxStdListboxInputHandler: handles mouse and kbd in a single or multi +// selection listbox +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxStdListboxInputHandler : public wxStdInputHandler +{ +public: + // if pressing the mouse button in a multiselection listbox should toggle + // the item under mouse immediately, then specify true as the second + // parameter (this is the standard behaviour, under GTK the item is toggled + // only when the mouse is released in the multi selection listbox) + wxStdListboxInputHandler(wxInputHandler *inphand, + bool toggleOnPressAlways = true); + + // base class methods + virtual bool HandleKey(wxInputConsumer *consumer, + const wxKeyEvent& event, + bool pressed); + virtual bool HandleMouse(wxInputConsumer *consumer, + const wxMouseEvent& event); + virtual bool HandleMouseMove(wxInputConsumer *consumer, + const wxMouseEvent& event); + +protected: + // return the item under mouse, 0 if the mouse is above the listbox or + // GetCount() if it is below it + int HitTest(const wxListBox *listbox, const wxMouseEvent& event); + + // parts of HitTest(): first finds the pseudo (because not in range) index + // of the item and the second one adjusts it if necessary - that is if the + // third one returns false + int HitTestUnsafe(const wxListBox *listbox, const wxMouseEvent& event); + int FixItemIndex(const wxListBox *listbox, int item); + bool IsValidIndex(const wxListBox *listbox, int item); + + // init m_btnCapture and m_actionMouse + wxControlAction SetupCapture(wxListBox *lbox, + const wxMouseEvent& event, + int item); + + wxRenderer *m_renderer; + + // the button which initiated the mouse capture (currently 0 or 1) + int m_btnCapture; + + // the action to perform when the mouse moves while we capture it + wxControlAction m_actionMouse; + + // the ctor parameter toggleOnPressAlways (see comments near it) + bool m_toggleOnPressAlways; + + // do we track the mouse outside the window when it is captured? + bool m_trackMouseOutside; +}; + // ============================================================================ // implementation of wxListBox // ============================================================================ @@ -140,7 +196,7 @@ bool wxListBox::Create(wxWindow *parent, Set(n, choices); - SetBestSize(size); + SetInitialSize(size); CreateInputHandler(wxINP_HANDLER_LISTBOX); @@ -282,7 +338,7 @@ void wxListBox::SetString(unsigned int n, const wxString& s) m_updateScrollbarX = true; } // or also decreased if the old string was the longest one - else if ( n == m_maxWidthItem ) + else if ( n == (unsigned int)m_maxWidthItem ) { RefreshHorzScrollbar(); } @@ -348,7 +404,7 @@ void wxListBox::Delete(unsigned int n) { m_current = -1; } - else if ( n < m_current ) + else if ( (int)n < m_current ) { m_current--; } @@ -360,12 +416,12 @@ void wxListBox::Delete(unsigned int n) unsigned int count = m_selections.GetCount(); for ( unsigned int item = 0; item < count; item++ ) { - if ( m_selections[item] == n ) + if ( m_selections[item] == (int)n ) { // remember to delete it later index = item; } - else if ( m_selections[item] > n ) + else if ( m_selections[item] > (int)n ) { // to account for the index shift m_selections[item]--; @@ -382,7 +438,7 @@ void wxListBox::Delete(unsigned int n) m_updateScrollbarY = true; // finally, if the longest item was deleted the scrollbar may disappear - if ( n == m_maxWidthItem ) + if ( (int)n == m_maxWidthItem ) { RefreshHorzScrollbar(); } @@ -420,7 +476,16 @@ void wxListBox::DoSetSelection(int n, bool select) { if ( select ) { - if ( m_selections.Index(n) == wxNOT_FOUND ) + if ( n == wxNOT_FOUND ) + { + if ( !HasMultipleSelection() ) + { + // selecting wxNOT_FOUND is documented to deselect all items + DeselectAll(); + return; + } + } + else if ( m_selections.Index(n) == wxNOT_FOUND ) { if ( !HasMultipleSelection() ) { @@ -1190,6 +1255,14 @@ bool wxListBox::PerformAction(const wxControlAction& action, return true; } +/* static */ +wxInputHandler *wxListBox::GetStdInputHandler(wxInputHandler *handlerDef) +{ + static wxStdListboxInputHandler s_handler(handlerDef); + + return &s_handler; +} + // ============================================================================ // implementation of wxStdListboxInputHandler // ============================================================================ @@ -1340,14 +1413,10 @@ bool wxStdListboxInputHandler::HandleKey(wxInputConsumer *consumer, break; case WXK_PAGEUP: - - case WXK_PRIOR: action = wxACTION_LISTBOX_PAGEUP; break; case WXK_PAGEDOWN: - - case WXK_NEXT: action = wxACTION_LISTBOX_PAGEDOWN; break;