X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/78b3b018ce9edca5742d8ab263d849f77f3d19bf..7d098cfdd754c035d623cd99a8fb79ee3d3e2f9b:/src/gtk/combobox.cpp diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp index b72887da0c..627a4e3489 100644 --- a/src/gtk/combobox.cpp +++ b/src/gtk/combobox.cpp @@ -38,7 +38,7 @@ extern bool g_isIdle; //----------------------------------------------------------------------------- extern bool g_blockEventsOnDrag; - +static int g_SelectionBeforePopup = -1; //----------------------------------------------------------------------------- // "changed" - typing and list item matches get changed, select-child // if it doesn't match an item then just get a single changed @@ -50,7 +50,7 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo ) if (g_isIdle) wxapp_install_idle_handler(); if (combo->m_ignoreNextUpdate) - { + { combo->m_ignoreNextUpdate = FALSE; return; } @@ -68,6 +68,32 @@ gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo)) { } +static void +gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo) +{ + // when the popup is hidden, throw a SELECTED event only if the combobox + // selection changed. + int curSelection = combo->GetSelection(); + if (g_SelectionBeforePopup != curSelection) + { + wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); + event.SetInt( curSelection ); + event.SetString( combo->GetStringSelection() ); + event.SetEventObject( combo ); + combo->GetEventHandler()->ProcessEvent( event ); + } + + // reset the selection flag to an identifiable value + g_SelectionBeforePopup = -1; +} + +static void +gtk_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo) +{ + // store the combobox selection value before the popup is shown + g_SelectionBeforePopup = combo->GetSelection(); +} + //----------------------------------------------------------------------------- // "select-child" - click/cursor get select-child, changed, select-child //----------------------------------------------------------------------------- @@ -87,7 +113,7 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi GtkWidget *list = GTK_COMBO(combo->m_widget)->list; gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection ); - + combo->m_prevSelection = curSelection; // Quickly set the value of the combo box @@ -99,14 +125,21 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed", GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo ); - wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); - event.SetInt( curSelection ); - event.SetString( combo->GetStringSelection() ); - event.SetEventObject( combo ); - - combo->GetEventHandler()->ProcessEvent( event ); - - // Now send the event ourselves + // throw a SELECTED event only if the combobox popup is hidden + // because when combobox popup is shown, gtk_combo_select_child_callback is + // called each times the mouse is over an item with a pressed button so a lot + // of SELECTED event could be generated if the user keep the mouse button down + // and select other items ... + if (g_SelectionBeforePopup == -1) + { + wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() ); + event.SetInt( curSelection ); + event.SetString( combo->GetStringSelection() ); + event.SetEventObject( combo ); + combo->GetEventHandler()->ProcessEvent( event ); + } + + // Now send the event ourselves wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() ); event2.SetString( combo->GetValue() ); event2.SetEventObject( combo ); @@ -122,6 +155,22 @@ IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl) BEGIN_EVENT_TABLE(wxComboBox, wxControl) EVT_SIZE(wxComboBox::OnSize) EVT_CHAR(wxComboBox::OnChar) + + EVT_MENU(wxID_CUT, wxComboBox::OnCut) + EVT_MENU(wxID_COPY, wxComboBox::OnCopy) + EVT_MENU(wxID_PASTE, wxComboBox::OnPaste) + EVT_MENU(wxID_UNDO, wxComboBox::OnUndo) + EVT_MENU(wxID_REDO, wxComboBox::OnRedo) + EVT_MENU(wxID_CLEAR, wxComboBox::OnDelete) + EVT_MENU(wxID_SELECTALL, wxComboBox::OnSelectAll) + + EVT_UPDATE_UI(wxID_CUT, wxComboBox::OnUpdateCut) + EVT_UPDATE_UI(wxID_COPY, wxComboBox::OnUpdateCopy) + EVT_UPDATE_UI(wxID_PASTE, wxComboBox::OnUpdatePaste) + EVT_UPDATE_UI(wxID_UNDO, wxComboBox::OnUpdateUndo) + EVT_UPDATE_UI(wxID_REDO, wxComboBox::OnUpdateRedo) + EVT_UPDATE_UI(wxID_CLEAR, wxComboBox::OnUpdateDelete) + EVT_UPDATE_UI(wxID_SELECTALL, wxComboBox::OnUpdateSelectAll) END_EVENT_TABLE() bool wxComboBox::Create( wxWindow *parent, wxWindowID id, @@ -170,6 +219,11 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, // and case-sensitive gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE ); +#ifdef __WXGTK20__ + if (style & wxNO_BORDER) + g_object_set( GTK_ENTRY( combo->entry ), "has-frame", FALSE, NULL ); +#endif + GtkWidget *list = GTK_COMBO(m_widget)->list; #ifndef __WXGTK20__ @@ -203,6 +257,13 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, if (style & wxCB_READONLY) gtk_entry_set_editable( GTK_ENTRY( combo->entry ), FALSE ); + // "show" and "hide" events are generated when user click on the combobox button which popups a list + // this list is the "popwin" gtk widget + gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "hide", + GTK_SIGNAL_FUNC(gtk_popup_hide_callback), (gpointer)this ); + gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "show", + GTK_SIGNAL_FUNC(gtk_popup_show_callback), (gpointer)this ); + gtk_signal_connect( GTK_OBJECT(combo->entry), "changed", GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this ); @@ -214,7 +275,7 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value, // This is required for tool bar support wxSize setsize = GetSize(); gtk_widget_set_usize( m_widget, setsize.x, setsize.y ); - + return TRUE; } @@ -329,7 +390,7 @@ int wxComboBox::DoInsert( const wxString &item, int pos ) m_clientObjectList.Insert( pos, (wxObject*) NULL ); EnableEvents(); - + InvalidateBestSize(); return pos; @@ -431,9 +492,9 @@ void wxComboBox::Delete( int n ) node = m_clientDataList.Item( n ); if (node) m_clientDataList.Erase( node ); - + EnableEvents(); - + InvalidateBestSize(); } @@ -454,7 +515,7 @@ void wxComboBox::SetString(int n, const wxString &text) { wxFAIL_MSG( wxT("wxComboBox: wrong index") ); } - + InvalidateBestSize(); } @@ -618,7 +679,7 @@ void wxComboBox::SetValue( const wxString& value ) wxString tmp = wxT(""); if (!value.IsNull()) tmp = value; gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) ); - + InvalidateBestSize(); } @@ -646,6 +707,63 @@ void wxComboBox::Paste() gtk_editable_paste_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG); } +void wxComboBox::Undo() +{ + // TODO +} + +void wxComboBox::Redo() +{ + // TODO +} + +void wxComboBox::SelectAll() +{ + SetSelection(0, GetLastPosition()); +} + +bool wxComboBox::CanUndo() const +{ + // TODO + return false; +} + +bool wxComboBox::CanRedo() const +{ + // TODO + return false; +} + +bool wxComboBox::HasSelection() const +{ + long from, to; + GetSelection(&from, &to); + return from != to; +} + +bool wxComboBox::CanCopy() const +{ + // Can copy if there's a selection + return HasSelection(); +} + +bool wxComboBox::CanCut() const +{ + return CanCopy() && IsEditable(); +} + +bool wxComboBox::CanPaste() const +{ + // TODO: check for text on the clipboard + return IsEditable() ; +} + +bool wxComboBox::IsEditable() const +{ + return !HasFlag(wxCB_READONLY); +} + + void wxComboBox::SetInsertionPoint( long pos ) { wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") ); @@ -692,6 +810,23 @@ void wxComboBox::SetSelection( long from, long to ) gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to ); } +void wxComboBox::GetSelection( long* from, long* to ) const +{ + if (IsEditable()) + { + GtkEditable *editable = GTK_EDITABLE(GTK_COMBO(m_widget)->entry); +#ifdef __WXGTK20__ + gint start, end; + gtk_editable_get_selection_bounds(editable, & start, & end); + *from = start; + *to = end; +#else + *from = (long) editable->selection_start_pos; + *to = (long) editable->selection_end_pos; +#endif + } +} + void wxComboBox::SetEditable( bool editable ) { GtkWidget *entry = GTK_COMBO(m_widget)->entry; @@ -722,7 +857,7 @@ void wxComboBox::OnChar( wxKeyEvent &event ) GtkWindow *window = GTK_WINDOW(top_frame->m_widget); if (window->default_widget) - gtk_widget_activate (window->default_widget); + gtk_widget_activate (window->default_widget); } } @@ -828,4 +963,82 @@ wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) return GetDefaultAttributesFromGTKWidget(gtk_combo_new, true); } +// ---------------------------------------------------------------------------- +// standard event handling +// ---------------------------------------------------------------------------- + +void wxComboBox::OnCut(wxCommandEvent& WXUNUSED(event)) +{ + Cut(); +} + +void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event)) +{ + Copy(); +} + +void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event)) +{ + Paste(); +} + +void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event)) +{ + Undo(); +} + +void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event)) +{ + Redo(); +} + +void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event)) +{ + long from, to; + GetSelection(& from, & to); + if (from != -1 && to != -1) + Remove(from, to); +} + +void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event)) +{ + SetSelection(-1, -1); +} + +void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event) +{ + event.Enable( CanCut() ); +} + +void wxComboBox::OnUpdateCopy(wxUpdateUIEvent& event) +{ + event.Enable( CanCopy() ); +} + +void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event) +{ + event.Enable( CanPaste() ); +} + +void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event) +{ + event.Enable( CanUndo() ); +} + +void wxComboBox::OnUpdateRedo(wxUpdateUIEvent& event) +{ + event.Enable( CanRedo() ); +} + +void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event) +{ + event.Enable(HasSelection() && IsEditable()) ; +} + +void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event) +{ + event.Enable(GetLastPosition() > 0); +} + #endif +