]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/widgets/widgets.cpp
Always rearrange wxListBook and send out size event, otherwise scrollbar overlaps...
[wxWidgets.git] / samples / widgets / widgets.cpp
index b97c3e33a83363a99ab0f3f31be72d0e2faea7b4..7bf9ade91ed37d01ec78d4498aabd685da8c6170 100644 (file)
@@ -30,6 +30,7 @@
     #include "wx/log.h"
     #include "wx/frame.h"
     #include "wx/menu.h"
+    #include "wx/image.h"
 
     #include "wx/button.h"
     #include "wx/checkbox.h"
@@ -82,6 +83,9 @@ enum
     Widgets_BorderDouble,
     Widgets_BorderDefault,
 
+    Widgets_GlobalBusyCursor,
+    Widgets_BusyCursor,
+
     Widgets_GoToPage,
     Widgets_GoToPageLast = Widgets_GoToPage + 100
 };
@@ -134,6 +138,7 @@ protected:
     void OnExit(wxCommandEvent& event);
 
 #if wxUSE_MENUS
+    void OnPageChanging(WidgetsBookCtrlEvent& event);
     void OnPageChanged(WidgetsBookCtrlEvent& event);
     void OnGoToPage(wxCommandEvent& event);
 
@@ -145,12 +150,15 @@ protected:
     void OnSetFont(wxCommandEvent& event);
     void OnEnable(wxCommandEvent& event);
     void OnSetBorder(wxCommandEvent& event);
+
+    void OnToggleGlobalBusyCursor(wxCommandEvent& event);
+    void OnToggleBusyCursor(wxCommandEvent& event);
 #endif // wxUSE_MENUS
 
     // initialize the book: add all pages to it
     void InitBook();
 
-    // finding current page assuming book inside book
+    // return the currently selected page (never NULL)
     WidgetsPage *CurrentPage();
 
 private:
@@ -198,7 +206,7 @@ public:
 
 private:
     // implement sink functions
-    virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t)
+    virtual void DoLog(wxLogLevel level, const wxString& str, time_t t)
     {
         // don't put trace messages into listbox or we can get into infinite
         // recursion
@@ -207,20 +215,20 @@ private:
             if ( m_logOld )
             {
                 // cast is needed to call protected method
-                ((LboxLogger *)m_logOld)->DoLog(level, szString, t);
+                ((LboxLogger *)m_logOld)->DoLog(level, str, t);
             }
         }
         else
         {
-            wxLog::DoLog(level, szString, t);
+            wxLog::DoLog(level, str, t);
         }
     }
 
-    virtual void DoLogString(const wxChar *szString, time_t WXUNUSED(t))
+    virtual void DoLogString(const wxString& str, time_t WXUNUSED(t))
     {
         wxString msg;
         TimeStamp(&msg);
-        msg += szString;
+        msg += str;
 
         #ifdef __WXUNIVERSAL__
             m_lbox->AppendAndEnsureVisible(msg);
@@ -262,7 +270,7 @@ BEGIN_EVENT_TABLE(WidgetsFrame, wxFrame)
 #endif // wxUSE_TOOLTIPS
 
 #if wxUSE_MENUS
-    EVT_WIDGETS_PAGE_CHANGED(wxID_ANY, WidgetsFrame::OnPageChanged)
+    EVT_WIDGETS_PAGE_CHANGING(wxID_ANY, WidgetsFrame::OnPageChanging)
     EVT_MENU_RANGE(Widgets_GoToPage, Widgets_GoToPageLast,
                    WidgetsFrame::OnGoToPage)
 
@@ -274,6 +282,9 @@ BEGIN_EVENT_TABLE(WidgetsFrame, wxFrame)
     EVT_MENU_RANGE(Widgets_BorderNone, Widgets_BorderDefault,
                    WidgetsFrame::OnSetBorder)
 
+    EVT_MENU(Widgets_GlobalBusyCursor,  WidgetsFrame::OnToggleGlobalBusyCursor)
+    EVT_MENU(Widgets_BusyCursor,        WidgetsFrame::OnToggleBusyCursor)
+
     EVT_MENU(wxID_EXIT, WidgetsFrame::OnExit)
 #endif // wxUSE_MENUS
 END_EVENT_TABLE()
@@ -360,6 +371,12 @@ WidgetsFrame::WidgetsFrame(const wxString& title)
     menuBorders->AppendRadioItem(Widgets_BorderSunken, _T("S&unken\tCtrl-Shift-5"));
     menuWidget->AppendSubMenu(menuBorders, _T("Set &border"));
 
+    menuWidget->AppendSeparator();
+    menuWidget->AppendCheckItem(Widgets_GlobalBusyCursor,
+                                _T("Toggle &global busy cursor\tCtrl-Shift-U"));
+    menuWidget->AppendCheckItem(Widgets_BusyCursor,
+                                _T("Toggle b&usy cursor\tCtrl-U"));
+
     menuWidget->AppendSeparator();
     menuWidget->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
     mbar->Append(menuWidget, _T("&Widget"));
@@ -442,9 +459,10 @@ WidgetsFrame::WidgetsFrame(const wxString& title)
 void WidgetsFrame::InitBook()
 {
 #if USE_ICONS_IN_BOOK
-    wxImageList *imageList = new wxImageList(32, 32);
+    wxImageList *imageList = new wxImageList(ICON_SIZE, ICON_SIZE);
 
-    imageList->Add(wxBitmap(sample_xpm));
+    wxImage img(sample_xpm);
+    imageList->Add(wxBitmap(img.Scale(ICON_SIZE, ICON_SIZE)));
 #else
     wxImageList *imageList = NULL;
 #endif
@@ -541,10 +559,11 @@ void WidgetsFrame::InitBook()
         for ( size_t n = 0; n < count; n++ )
         {
 #if USE_TREEBOOK
-            m_book->AddSubPage(
+            m_book->AddSubPage
 #else
-            books[cat]->AddPage(
+            books[cat]->AddPage
 #endif
+                           (
                             pages[cat][n],
                             labels[cat][n],
                             false, // don't select
@@ -553,27 +572,40 @@ void WidgetsFrame::InitBook()
         }
     }
 
+    Connect( wxID_ANY,
+             wxEVT_COMMAND_WIDGETS_PAGE_CHANGED,
+             wxWidgetsbookEventHandler(WidgetsFrame::OnPageChanged) );
+
 #if USE_TREEBOOK
-    // for treebook page #0 is empty parent page only
+    // for treebook page #0 is empty parent page only so select the first page
+    // with some contents
+    m_book->SetSelection(1);
+
+    // but ensure that the top of the tree is shown nevertheless
+    wxTreeCtrl * const tree = m_book->GetTreeCtrl();
+
+    wxTreeItemIdValue cookie;
+    tree->EnsureVisible(tree->GetFirstChild(tree->GetRootItem(), cookie));
+#else
+    // for other books set selection twice to force connected event handler
+    // to force lazy creation of initial visible content
     m_book->SetSelection(1);
     m_book->SetSelection(0);
-#endif
+#endif // USE_TREEBOOK
 }
 
 WidgetsPage *WidgetsFrame::CurrentPage()
 {
     wxWindow *page = m_book->GetCurrentPage();
-    if(!page) return NULL;
 
-#if USE_TREEBOOK
-    return wxStaticCast(page, WidgetsPage);
-#else
+#if !USE_TREEBOOK
     WidgetsBookCtrl *subBook = wxStaticCast(page, WidgetsBookCtrl);
-    if (!subBook) return NULL;
+    wxCHECK_MSG( subBook, NULL, _T("no WidgetsBookCtrl?") );
+
     page = subBook->GetCurrentPage();
-    if(!page) return NULL;
+#endif // !USE_TREEBOOK
+
     return wxStaticCast(page, WidgetsPage);
-#endif
 }
 
 WidgetsFrame::~WidgetsFrame()
@@ -601,24 +633,44 @@ void WidgetsFrame::OnButtonClearLog(wxCommandEvent& WXUNUSED(event))
 
 #if wxUSE_MENUS
 
+void WidgetsFrame::OnPageChanging(WidgetsBookCtrlEvent& event)
+{
+#if USE_TREEBOOK
+    // don't allow selection of entries without pages (categories)
+    if ( !m_book->GetPage(event.GetSelection()) )
+        event.Veto();
+#else
+    wxUnusedVar(event);
+#endif
+}
+
 void WidgetsFrame::OnPageChanged(WidgetsBookCtrlEvent& event)
 {
+    const int sel = event.GetSelection();
+
     // adjust "Page" menu selection
-    wxMenuItem *item = GetMenuBar()->FindItem(Widgets_GoToPage + event.GetSelection());
-    if (item) item->Check();
+    wxMenuItem *item = GetMenuBar()->FindItem(Widgets_GoToPage + sel);
+    if ( item )
+        item->Check();
+
+    GetMenuBar()->Check(Widgets_BusyCursor, false);
 
-    // lazy creation of the pages
-    WidgetsPage* page = CurrentPage();
-    if (page && (page->GetChildren().GetCount()==0))
+    // create the pages on demand, otherwise the sample startup is too slow as
+    // it creates hundreds of controls
+    WidgetsPage *page = CurrentPage();
+    if ( page->GetChildren().empty() )
     {
         wxWindowUpdateLocker noUpdates(page);
         page->CreateContent();
+        //page->Layout();
+        page->GetSizer()->Fit(page);
+
         WidgetsBookCtrl *book = wxStaticCast(page->GetParent(), WidgetsBookCtrl);
         wxSize size;
         for ( size_t i = 0; i < book->GetPageCount(); ++i )
         {
             wxWindow *page = book->GetPage(i);
-            if (page)
+            if ( page )
             {
                 size.IncTo(page->GetSize());
             }
@@ -644,14 +696,6 @@ void WidgetsFrame::OnGoToPage(wxCommandEvent& event)
 
 void WidgetsFrame::OnSetTooltip(wxCommandEvent& WXUNUSED(event))
 {
-    WidgetsPage *page = CurrentPage();
-
-    if(!page)
-    {
-        wxLogMessage(_T("Page not selected."));
-        return;
-    }
-
     static wxString s_tip = _T("This is a tooltip");
 
     wxTextEntryDialog dialog
@@ -668,6 +712,8 @@ void WidgetsFrame::OnSetTooltip(wxCommandEvent& WXUNUSED(event))
     s_tip = dialog.GetValue();
     s_tip.Replace(_T("\\n"), _T("\n"));
 
+    WidgetsPage *page = CurrentPage();
+
     page->GetWidget()->SetToolTip(s_tip);
 
     wxControl *ctrl2 = page->GetWidget2();
@@ -682,11 +728,6 @@ void WidgetsFrame::OnSetFgCol(wxCommandEvent& WXUNUSED(event))
 #if wxUSE_COLOURDLG
     // allow for debugging the default colour the first time this is called
     WidgetsPage *page = CurrentPage();
-    if(!page)
-    {
-        wxLogMessage(_T("Page not selected."));
-        return;
-    }
 
     if (!m_colFg.Ok())
         m_colFg = page->GetForegroundColour();
@@ -715,11 +756,6 @@ void WidgetsFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
 {
 #if wxUSE_COLOURDLG
     WidgetsPage *page = CurrentPage();
-    if(!page)
-    {
-        wxLogMessage(_T("Page not selected."));
-        return;
-    }
 
     if ( !m_colBg.Ok() )
         m_colBg = page->GetBackgroundColour();
@@ -748,11 +784,6 @@ void WidgetsFrame::OnSetFont(wxCommandEvent& WXUNUSED(event))
 {
 #if wxUSE_FONTDLG
     WidgetsPage *page = CurrentPage();
-    if(!page)
-    {
-        wxLogMessage(_T("Page not selected."));
-        return;
-    }
 
     if (!m_font.Ok())
         m_font = page->GetFont();
@@ -779,14 +810,7 @@ void WidgetsFrame::OnSetFont(wxCommandEvent& WXUNUSED(event))
 
 void WidgetsFrame::OnEnable(wxCommandEvent& event)
 {
-    WidgetsPage *page = CurrentPage();
-    if(!page)
-    {
-        wxLogMessage(_T("Page not selected."));
-        return;
-    }
-
-    page->GetWidget()->Enable(event.IsChecked());
+    CurrentPage()->GetWidget()->Enable(event.IsChecked());
 }
 
 void WidgetsFrame::OnSetBorder(wxCommandEvent& event)
@@ -813,15 +837,24 @@ void WidgetsFrame::OnSetBorder(wxCommandEvent& event)
 
     WidgetsPage *page = CurrentPage();
 
-    if(!page)
-    {
-        wxLogMessage(_T("Page not selected."));
-        return;
-    }
-
     page->RecreateWidget();
 }
 
+void WidgetsFrame::OnToggleGlobalBusyCursor(wxCommandEvent& event)
+{
+    if ( event.IsChecked() )
+        wxBeginBusyCursor();
+    else
+        wxEndBusyCursor();
+}
+
+void WidgetsFrame::OnToggleBusyCursor(wxCommandEvent& event)
+{
+    CurrentPage()->GetWidget()->SetCursor(*(event.IsChecked()
+                                                ? wxHOURGLASS_CURSOR
+                                                : wxSTANDARD_CURSOR));
+}
+
 #endif // wxUSE_MENUS
 
 // ----------------------------------------------------------------------------
@@ -898,7 +931,7 @@ WidgetsPage::WidgetsPage(WidgetsBookCtrl *book,
                      wxTAB_TRAVERSAL)
 {
 #if USE_ICONS_IN_BOOK
-    imaglist->Add(wxBitmap(icon));
+    imaglist->Add(wxBitmap(wxImage(icon).Scale(ICON_SIZE, ICON_SIZE)));
 #else
     wxUnusedVar(imaglist);
     wxUnusedVar(icon);