From 00d45d0452b1305999deb02e7bdeed663f647a9c Mon Sep 17 00:00:00 2001 From: Vadim Zeitlin Date: Wed, 27 Oct 2010 23:22:05 +0000 Subject: [PATCH] No changes, just use wxGtkObject<> instead of g_object_unref(). Use smart pointer class instead of manually writing g_object_unref(). This makes code shorter and less error-prone. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65937 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- src/gtk/listbox.cpp | 96 +++++++++++++++++++++------------------------ 1 file changed, 44 insertions(+), 52 deletions(-) diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp index 5166433788..fb70b0c0c7 100644 --- a/src/gtk/listbox.cpp +++ b/src/gtk/listbox.cpp @@ -26,6 +26,7 @@ #endif #include "wx/gtk/private.h" +#include "wx/gtk/private/object.h" #include "wx/gtk/treeentry_gtk.h" #if wxUSE_TOOLTIPS @@ -56,6 +57,31 @@ extern bool g_blockEventsOnScroll; #define WXLISTBOX_DATACOLUMN WXLISTBOX_DATACOLUMN_ARG(this) +// ---------------------------------------------------------------------------- +// helper functions +// ---------------------------------------------------------------------------- + +namespace +{ + +// Return the entry for the given listbox item. +// +// Return value must be released by caller if non-NULL. +GtkTreeEntry * +GetEntry(GtkListStore *store, GtkTreeIter *iter, const wxListBox *listbox) +{ + GtkTreeEntry* entry; + gtk_tree_model_get(GTK_TREE_MODEL(store), + iter, + WXLISTBOX_DATACOLUMN_ARG(listbox), + &entry, + -1); + + return entry; +} + +} // anonymous namespace + //----------------------------------------------------------------------------- // "row-activated" //----------------------------------------------------------------------------- @@ -173,29 +199,16 @@ static gint gtk_listbox_sort_callback(GtkTreeModel * WXUNUSED(model), GtkTreeIter *b, wxListBox *listbox) { - GtkTreeEntry* entry; - GtkTreeEntry* entry2; - - gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore), - a, - WXLISTBOX_DATACOLUMN_ARG(listbox), - &entry, -1); - gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore), - b, - WXLISTBOX_DATACOLUMN_ARG(listbox), - &entry2, -1); - wxCHECK_MSG(entry, 0, wxT("Could not get entry")); - wxCHECK_MSG(entry2, 0, wxT("Could not get entry2")); + wxGtkObject entry1(GetEntry(listbox->m_liststore, a, listbox)); + wxCHECK_MSG(entry1, 0, wxT("Could not get first entry")); + + wxGtkObject entry2(GetEntry(listbox->m_liststore, b, listbox)); + wxCHECK_MSG(entry2, 0, wxT("Could not get second entry")); //We compare collate keys here instead of calling g_utf8_collate //as it is rather slow (and even the docs reccommend this) - int ret = strcmp(gtk_tree_entry_get_collate_key(entry), - gtk_tree_entry_get_collate_key(entry2)) >= 0; - - g_object_unref (entry); - g_object_unref (entry2); - - return ret; + return strcmp(gtk_tree_entry_get_collate_key(entry1), + gtk_tree_entry_get_collate_key(entry2)) >= 0; } } @@ -210,21 +223,13 @@ static gboolean gtk_listbox_searchequal_callback(GtkTreeModel * WXUNUSED(model), GtkTreeIter* iter, wxListBox* listbox) { - GtkTreeEntry* entry; - - gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore), - iter, - WXLISTBOX_DATACOLUMN_ARG(listbox), - &entry, -1); + wxGtkObject + entry(GetEntry(listbox->m_liststore, iter, listbox)); wxCHECK_MSG(entry, 0, wxT("Could not get entry")); - wxGtkString keycollatekey(g_utf8_collate_key(key, -1)); - - int ret = strcmp(keycollatekey, - gtk_tree_entry_get_collate_key(entry)); - g_object_unref (entry); + wxGtkString keycollatekey(g_utf8_collate_key(key, -1)); - return ret != 0; + return strcmp(keycollatekey, gtk_tree_entry_get_collate_key(entry)) != 0; } } @@ -455,7 +460,7 @@ int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items, const unsigned int numItems = items.GetCount(); for ( unsigned int i = 0; i < numItems; ++i ) { - GtkTreeEntry* entry = gtk_tree_entry_new(); + wxGtkObject entry(gtk_tree_entry_new()); gtk_tree_entry_set_label(entry, wxGTK_CONV(items[i])); gtk_tree_entry_set_destroy_func(entry, (GtkTreeEntryDestroy)gtk_tree_entry_destroy_cb, @@ -466,8 +471,6 @@ int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items, GTKSetItem(itercur, entry); - g_object_unref (entry); - if (clientData) AssignNewItemClientData(GTKGetIndexFor(itercur), clientData, i, type); } @@ -551,12 +554,7 @@ GtkTreeEntry *wxListBox::GTKGetEntry(unsigned n) const if ( !GTKGetIteratorFor(n, &iter) ) return NULL; - - GtkTreeEntry* entry = NULL; - gtk_tree_model_get(GTK_TREE_MODEL(m_liststore), &iter, - WXLISTBOX_DATACOLUMN, &entry, -1); - - return entry; + return GetEntry(m_liststore, &iter, this); } void wxListBox::GTKSetItem(GtkTreeIter& iter, const GtkTreeEntry *entry) @@ -585,12 +583,10 @@ void* wxListBox::DoGetItemClientData(unsigned int n) const wxCHECK_MSG( IsValid(n), NULL, wxT("Invalid index passed to GetItemClientData") ); - GtkTreeEntry* entry = GTKGetEntry(n); + wxGtkObject entry(GTKGetEntry(n)); wxCHECK_MSG(entry, NULL, wxT("could not get entry")); - void* userdata = gtk_tree_entry_get_userdata( entry ); - g_object_unref (entry); - return userdata; + return gtk_tree_entry_get_userdata( entry ); } void wxListBox::DoSetItemClientData(unsigned int n, void* clientData) @@ -598,11 +594,10 @@ void wxListBox::DoSetItemClientData(unsigned int n, void* clientData) wxCHECK_RET( IsValid(n), wxT("Invalid index passed to SetItemClientData") ); - GtkTreeEntry* entry = GTKGetEntry(n); + wxGtkObject entry(GTKGetEntry(n)); wxCHECK_RET(entry, wxT("could not get entry")); gtk_tree_entry_set_userdata( entry, clientData ); - g_object_unref (entry); } // ---------------------------------------------------------------------------- @@ -633,13 +628,10 @@ wxString wxListBox::GetString(unsigned int n) const { wxCHECK_MSG( m_treeview != NULL, wxEmptyString, wxT("invalid listbox") ); - GtkTreeEntry* entry = GTKGetEntry(n); + wxGtkObject entry(GTKGetEntry(n)); wxCHECK_MSG( entry, wxEmptyString, wxT("wrong listbox index") ); - wxString label = wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) ); - - g_object_unref (entry); - return label; + return wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) ); } unsigned int wxListBox::GetCount() const -- 2.45.2