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wxWidgets/samples/widgets/widgets.cpp
Vadim Zeitlin ce1d350f41 Add logging of context menu events to the widgets sample 
Show when (and if) they are generated.
2022-03-30 01:07:38 +02:00

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/////////////////////////////////////////////////////////////////////////////
// Program: wxWidgets Widgets Sample
// Name: samples/widgets/widgets.cpp
// Purpose: Sample showing most of the simple wxWidgets widgets
// Author: Vadim Zeitlin
// Created: 27.03.01
// Copyright: (c) 2001 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// for compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/log.h"
#include "wx/frame.h"
#include "wx/menu.h"
#include "wx/image.h"
#include "wx/button.h"
#include "wx/checkbox.h"
#include "wx/listbox.h"
#include "wx/statbox.h"
#include "wx/stattext.h"
#include "wx/textctrl.h"
#include "wx/msgdlg.h"
#endif
#include "wx/sysopt.h"
#include "wx/bookctrl.h"
#include "wx/treebook.h"
#include "wx/sizer.h"
#include "wx/colordlg.h"
#include "wx/fontdlg.h"
#include "wx/numdlg.h"
#include "wx/textdlg.h"
#include "wx/imaglist.h"
#include "wx/treectrl.h"
#include "wx/wupdlock.h"
#include "wx/textcompleter.h"
#include "wx/persist/toplevel.h"
#include "wx/persist/treebook.h"
#include "widgets.h"
#include "../sample.xpm"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// control ids
enum
{
Widgets_ClearLog = 100,
Widgets_Quit,
Widgets_BookCtrl,
#if wxUSE_TOOLTIPS
Widgets_SetTooltip,
#endif // wxUSE_TOOLTIPS
Widgets_SetFgColour,
Widgets_SetBgColour,
Widgets_SetPageBg,
Widgets_SetFont,
Widgets_Enable,
Widgets_Show,
Widgets_BorderNone,
Widgets_BorderStatic,
Widgets_BorderSimple,
Widgets_BorderRaised,
Widgets_BorderSunken,
Widgets_BorderDouble,
Widgets_BorderDefault,
Widgets_VariantNormal,
Widgets_VariantSmall,
Widgets_VariantMini,
Widgets_VariantLarge,
Widgets_LayoutDirection,
Widgets_GlobalBusyCursor,
Widgets_BusyCursor,
Widgets_GoToPage,
Widgets_GoToPageLast = Widgets_GoToPage + 100,
TextEntry_Begin,
TextEntry_DisableAutoComplete = TextEntry_Begin,
TextEntry_AutoCompleteFixed,
TextEntry_AutoCompleteFilenames,
TextEntry_AutoCompleteDirectories,
TextEntry_AutoCompleteCustom,
TextEntry_AutoCompleteKeyLength,
TextEntry_SetHint,
TextEntry_End
};
const wxChar *WidgetsCategories[MAX_PAGES] = {
#if defined(__WXUNIVERSAL__)
wxT("Universal"),
#else
wxT("Native"),
#endif
wxT("Generic"),
wxT("Pickers"),
wxT("Comboboxes"),
wxT("With items"),
wxT("Editable"),
wxT("Books"),
wxT("All controls")
};
// ----------------------------------------------------------------------------
// our classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class WidgetsApp : public wxApp
{
public:
WidgetsApp()
{
#if USE_LOG
m_logTarget = NULL;
#endif // USE_LOG
}
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit() wxOVERRIDE;
// real implementation of WidgetsPage method with the same name
bool IsUsingLogWindow() const;
private:
#if USE_LOG
wxLog* m_logTarget;
#endif // USE_LOG
wxDECLARE_NO_COPY_CLASS(WidgetsApp);
};
wxDECLARE_APP(WidgetsApp); // This provides a convenient wxGetApp() accessor.
// Define a new frame type: this is going to be our main frame
class WidgetsFrame : public wxFrame
{
public:
// ctor(s) and dtor
WidgetsFrame(const wxString& title);
virtual ~WidgetsFrame();
protected:
// event handlers
#if USE_LOG
void OnButtonClearLog(wxCommandEvent& event);
#endif // USE_LOG
void OnExit(wxCommandEvent& event);
#if wxUSE_MENUS
void OnPageChanging(WidgetsBookCtrlEvent& event);
void OnPageChanged(WidgetsBookCtrlEvent& event);
void OnGoToPage(wxCommandEvent& event);
#if wxUSE_TOOLTIPS
void OnSetTooltip(wxCommandEvent& event);
#endif // wxUSE_TOOLTIPS
void OnSetFgCol(wxCommandEvent& event);
void OnSetBgCol(wxCommandEvent& event);
void OnSetPageBg(wxCommandEvent& event);
void OnSetFont(wxCommandEvent& event);
void OnEnable(wxCommandEvent& event);
void OnShow(wxCommandEvent &event);
void OnSetBorder(wxCommandEvent& event);
void OnSetVariant(wxCommandEvent& event);
void OnToggleLayoutDirection(wxCommandEvent& event);
void OnToggleGlobalBusyCursor(wxCommandEvent& event);
void OnToggleBusyCursor(wxCommandEvent& event);
// wxTextEntry-specific tests
void OnDisableAutoComplete(wxCommandEvent& event);
void OnAutoCompleteFixed(wxCommandEvent& event);
void OnAutoCompleteFilenames(wxCommandEvent& event);
void OnAutoCompleteDirectories(wxCommandEvent& event);
void OnAutoCompleteCustom(wxCommandEvent& event);
void OnAutoCompleteKeyLength(wxCommandEvent& event);
void DoUseCustomAutoComplete(size_t minLength = 1);
void OnSetHint(wxCommandEvent& event);
void OnUpdateTextUI(wxUpdateUIEvent& event)
{
event.Enable( CurrentPage()->GetTextEntry() != NULL );
}
#endif // wxUSE_MENUS
// initialize the book: add all pages to it
void InitBook();
// return the currently selected page (never NULL)
WidgetsPage *CurrentPage();
private:
void OnWidgetFocus(wxFocusEvent& event);
void OnWidgetContextMenu(wxContextMenuEvent& event);
void ConnectToWidgetEvents();
// the panel containing everything
wxPanel *m_panel;
#if USE_LOG
// the listbox for logging messages
wxListBox *m_lboxLog;
// the log target we use to redirect messages to the listbox
wxLog *m_logTarget;
#endif // USE_LOG
// the book containing the test pages
WidgetsBookCtrl *m_book;
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
};
#if USE_LOG
// A log target which just redirects the messages to a listbox
class LboxLogger : public wxLog
{
public:
LboxLogger(wxListBox *lbox, wxLog *logOld)
{
m_lbox = lbox;
//m_lbox->Disable(); -- looks ugly under MSW
m_logOld = logOld;
}
virtual ~LboxLogger()
{
wxLog::SetActiveTarget(m_logOld);
}
private:
// implement sink functions
virtual void DoLogTextAtLevel(wxLogLevel level, const wxString& msg) wxOVERRIDE
{
if ( level == wxLOG_Trace )
{
if ( m_logOld )
m_logOld->LogTextAtLevel(level, msg);
return;
}
#ifdef __WXUNIVERSAL__
m_lbox->AppendAndEnsureVisible(msg);
#else // other ports don't have this method yet
m_lbox->Append(msg);
m_lbox->SetFirstItem(m_lbox->GetCount() - 1);
#endif
}
// the control we use
wxListBox *m_lbox;
// the old log target
wxLog *m_logOld;
};
#endif // USE_LOG
// array of pages
WX_DEFINE_ARRAY_PTR(WidgetsPage *, ArrayWidgetsPage);
// ----------------------------------------------------------------------------
// misc macros
// ----------------------------------------------------------------------------
wxIMPLEMENT_APP(WidgetsApp);
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(WidgetsFrame, wxFrame)
#if USE_LOG
EVT_BUTTON(Widgets_ClearLog, WidgetsFrame::OnButtonClearLog)
#endif // USE_LOG
EVT_BUTTON(Widgets_Quit, WidgetsFrame::OnExit)
#if wxUSE_TOOLTIPS
EVT_MENU(Widgets_SetTooltip, WidgetsFrame::OnSetTooltip)
#endif // wxUSE_TOOLTIPS
#if wxUSE_MENUS
EVT_WIDGETS_PAGE_CHANGING(wxID_ANY, WidgetsFrame::OnPageChanging)
EVT_MENU_RANGE(Widgets_GoToPage, Widgets_GoToPageLast,
WidgetsFrame::OnGoToPage)
EVT_MENU(Widgets_SetFgColour, WidgetsFrame::OnSetFgCol)
EVT_MENU(Widgets_SetBgColour, WidgetsFrame::OnSetBgCol)
EVT_MENU(Widgets_SetPageBg, WidgetsFrame::OnSetPageBg)
EVT_MENU(Widgets_SetFont, WidgetsFrame::OnSetFont)
EVT_MENU(Widgets_Enable, WidgetsFrame::OnEnable)
EVT_MENU(Widgets_Show, WidgetsFrame::OnShow)
EVT_MENU_RANGE(Widgets_BorderNone, Widgets_BorderDefault,
WidgetsFrame::OnSetBorder)
EVT_MENU_RANGE(Widgets_VariantNormal, Widgets_VariantLarge,
WidgetsFrame::OnSetVariant)
EVT_MENU(Widgets_LayoutDirection, WidgetsFrame::OnToggleLayoutDirection)
EVT_MENU(Widgets_GlobalBusyCursor, WidgetsFrame::OnToggleGlobalBusyCursor)
EVT_MENU(Widgets_BusyCursor, WidgetsFrame::OnToggleBusyCursor)
EVT_MENU(TextEntry_DisableAutoComplete, WidgetsFrame::OnDisableAutoComplete)
EVT_MENU(TextEntry_AutoCompleteFixed, WidgetsFrame::OnAutoCompleteFixed)
EVT_MENU(TextEntry_AutoCompleteFilenames, WidgetsFrame::OnAutoCompleteFilenames)
EVT_MENU(TextEntry_AutoCompleteDirectories, WidgetsFrame::OnAutoCompleteDirectories)
EVT_MENU(TextEntry_AutoCompleteCustom, WidgetsFrame::OnAutoCompleteCustom)
EVT_MENU(TextEntry_AutoCompleteKeyLength, WidgetsFrame::OnAutoCompleteKeyLength)
EVT_MENU(TextEntry_SetHint, WidgetsFrame::OnSetHint)
EVT_UPDATE_UI_RANGE(TextEntry_Begin, TextEntry_End - 1,
WidgetsFrame::OnUpdateTextUI)
EVT_MENU(wxID_EXIT, WidgetsFrame::OnExit)
#endif // wxUSE_MENUS
wxEND_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// app class
// ----------------------------------------------------------------------------
bool WidgetsApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
SetVendorName("wxWidgets_Samples");
// the reason for having these ifdef's is that I often run two copies of
// this sample side by side and it is useful to see which one is which
wxString title;
#if defined(__WXUNIVERSAL__)
title = "wxUniv/";
#endif
#if defined(__WXMSW__)
title += "wxMSW";
#elif defined(__WXGTK__)
title += "wxGTK";
#elif defined(__WXMAC__)
title += "wxMAC";
#elif defined(__WXMOTIF__)
title += "wxMOTIF";
#else
title += "wxWidgets";
#endif
wxFrame *frame = new WidgetsFrame(title + " widgets demo");
frame->Show();
#if USE_LOG
m_logTarget = wxLog::GetActiveTarget();
#endif // USE_LOG
return true;
}
bool WidgetsApp::IsUsingLogWindow() const
{
#if USE_LOG
return wxLog::GetActiveTarget() == m_logTarget;
#else // !USE_LOG
return false;
#endif // USE_LOG
}
// ----------------------------------------------------------------------------
// WidgetsFrame construction
// ----------------------------------------------------------------------------
WidgetsFrame::WidgetsFrame(const wxString& title)
: wxFrame(NULL, wxID_ANY, title)
{
// set the frame icon
SetIcon(wxICON(sample));
// init everything
#if USE_LOG
m_lboxLog = NULL;
m_logTarget = NULL;
#endif // USE_LOG
m_book = NULL;
#if wxUSE_MENUS
// create the menubar
wxMenuBar *mbar = new wxMenuBar;
wxMenu *menuWidget = new wxMenu;
#if wxUSE_TOOLTIPS
menuWidget->Append(Widgets_SetTooltip, "Set &tooltip...\tCtrl-T");
menuWidget->AppendSeparator();
#endif // wxUSE_TOOLTIPS
menuWidget->Append(Widgets_SetFgColour, "Set &foreground...\tCtrl-F");
menuWidget->Append(Widgets_SetBgColour, "Set &background...\tCtrl-B");
menuWidget->Append(Widgets_SetPageBg, "Set &page background...\tShift-Ctrl-B");
menuWidget->Append(Widgets_SetFont, "Set f&ont...\tCtrl-O");
menuWidget->AppendCheckItem(Widgets_Enable, "&Enable/disable\tCtrl-E");
menuWidget->AppendCheckItem(Widgets_Show, "Show/Hide");
wxMenu *menuBorders = new wxMenu;
menuBorders->AppendRadioItem(Widgets_BorderDefault, "De&fault\tCtrl-Shift-9");
menuBorders->AppendRadioItem(Widgets_BorderNone, "&None\tCtrl-Shift-0");
menuBorders->AppendRadioItem(Widgets_BorderSimple, "&Simple\tCtrl-Shift-1");
menuBorders->AppendRadioItem(Widgets_BorderDouble, "&Double\tCtrl-Shift-2");
menuBorders->AppendRadioItem(Widgets_BorderStatic, "Stati&c\tCtrl-Shift-3");
menuBorders->AppendRadioItem(Widgets_BorderRaised, "&Raised\tCtrl-Shift-4");
menuBorders->AppendRadioItem(Widgets_BorderSunken, "S&unken\tCtrl-Shift-5");
menuWidget->AppendSubMenu(menuBorders, "Set &border");
wxMenu* const menuVariants = new wxMenu;
menuVariants->AppendRadioItem(Widgets_VariantMini, "&Mini\tCtrl-Shift-6");
menuVariants->AppendRadioItem(Widgets_VariantSmall, "&Small\tCtrl-Shift-7");
menuVariants->AppendRadioItem(Widgets_VariantNormal, "&Normal\tCtrl-Shift-8");
menuVariants->AppendRadioItem(Widgets_VariantLarge, "&Large\tCtrl-Shift-9");
menuWidget->AppendSubMenu(menuVariants, "Set &variant");
menuWidget->AppendSeparator();
menuWidget->AppendCheckItem(Widgets_LayoutDirection,
"Toggle &layout direction\tCtrl-L");
menuWidget->Check(Widgets_LayoutDirection,
GetLayoutDirection() == wxLayout_RightToLeft);
menuWidget->AppendSeparator();
menuWidget->AppendCheckItem(Widgets_GlobalBusyCursor,
"Toggle &global busy cursor\tCtrl-Shift-U");
menuWidget->AppendCheckItem(Widgets_BusyCursor,
"Toggle b&usy cursor\tCtrl-U");
menuWidget->AppendSeparator();
menuWidget->Append(wxID_EXIT, "&Quit\tCtrl-Q");
mbar->Append(menuWidget, "&Widget");
wxMenu *menuTextEntry = new wxMenu;
menuTextEntry->AppendRadioItem(TextEntry_DisableAutoComplete,
"&Disable auto-completion");
menuTextEntry->AppendRadioItem(TextEntry_AutoCompleteFixed,
"Fixed-&list auto-completion");
menuTextEntry->AppendRadioItem(TextEntry_AutoCompleteFilenames,
"&Files names auto-completion");
menuTextEntry->AppendRadioItem(TextEntry_AutoCompleteDirectories,
"&Directories names auto-completion");
menuTextEntry->AppendRadioItem(TextEntry_AutoCompleteCustom,
"&Custom auto-completion");
menuTextEntry->AppendRadioItem(TextEntry_AutoCompleteKeyLength,
"Custom with &min length");
menuTextEntry->AppendSeparator();
menuTextEntry->Append(TextEntry_SetHint, "Set help &hint");
mbar->Append(menuTextEntry, "&Text");
SetMenuBar(mbar);
mbar->Check(Widgets_Enable, true);
mbar->Check(Widgets_Show, true);
mbar->Check(Widgets_VariantNormal, true);
#endif // wxUSE_MENUS
// create controls
m_panel = new wxPanel(this, wxID_ANY);
wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
// we have 2 panes: book with pages demonstrating the controls in the
// upper one and the log window with some buttons in the lower
int style = wxBK_DEFAULT;
// Uncomment to suppress page theme (draw in solid colour)
//style |= wxNB_NOPAGETHEME;
m_book = new WidgetsBookCtrl(m_panel, Widgets_BookCtrl,
wxDefaultPosition, wxDefaultSize,
style, "Widgets");
InitBook();
// the lower one only has the log listbox and a button to clear it
#if USE_LOG
wxSizer *sizerDown = new wxStaticBoxSizer(
new wxStaticBox( m_panel, wxID_ANY, "&Log window" ),
wxVERTICAL);
m_lboxLog = new wxListBox(m_panel, wxID_ANY);
sizerDown->Add(m_lboxLog, wxSizerFlags(1).Expand().Border());
sizerDown->SetMinSize(100, 150);
#else
wxSizer *sizerDown = new wxBoxSizer(wxVERTICAL);
#endif // USE_LOG
wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
wxButton *btn;
#if USE_LOG
btn = new wxButton(m_panel, Widgets_ClearLog, "Clear &log");
sizerBtns->Add(btn);
sizerBtns->AddSpacer(10);
#endif // USE_LOG
btn = new wxButton(m_panel, Widgets_Quit, "E&xit");
sizerBtns->Add(btn);
sizerDown->Add(sizerBtns, wxSizerFlags().Border().Right());
// put everything together
sizerTop->Add(m_book, wxSizerFlags(1).Expand().DoubleBorder(wxALL & ~(wxTOP | wxBOTTOM)));
sizerTop->AddSpacer(5);
sizerTop->Add(sizerDown, wxSizerFlags(0).Expand().DoubleBorder(wxALL & ~wxTOP));
m_panel->SetSizer(sizerTop);
const bool sizeSet = wxPersistentRegisterAndRestore(this, "Main");
const wxSize sizeMin = m_panel->GetBestSize();
if ( !sizeSet )
SetClientSize(sizeMin);
SetMinClientSize(sizeMin);
#if USE_LOG
// now that everything is created we can redirect the log messages to the
// listbox
m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget());
wxLog::SetActiveTarget(m_logTarget);
#endif
}
void WidgetsFrame::InitBook()
{
wxImageList *imageList = new wxImageList(ICON_SIZE, ICON_SIZE);
wxImage img(sample_xpm);
imageList->Add(wxBitmap(img.Scale(ICON_SIZE, ICON_SIZE)));
#if !USE_TREEBOOK
WidgetsBookCtrl *books[MAX_PAGES];
#endif
ArrayWidgetsPage pages[MAX_PAGES];
wxArrayString labels[MAX_PAGES];
wxMenu *menuPages = new wxMenu;
unsigned int nPage = 0;
int cat, imageId = 1;
// we need to first create all pages and only then add them to the book
// as we need the image list first
//
// we also construct the pages menu during this first iteration
for ( cat = 0; cat < MAX_PAGES; cat++ )
{
#if USE_TREEBOOK
nPage++; // increase for parent page
#else
books[cat] = new WidgetsBookCtrl(m_book,
wxID_ANY,
wxDefaultPosition,
wxDefaultSize,
wxBK_DEFAULT);
#endif
for ( WidgetsPageInfo *info = WidgetsPage::ms_widgetPages;
info;
info = info->GetNext() )
{
if( (info->GetCategories() & ( 1 << cat )) == 0)
continue;
WidgetsPage *page = (*info->GetCtor())(
#if USE_TREEBOOK
m_book
#else
books[cat]
#endif
, imageList);
pages[cat].Add(page);
labels[cat].Add(info->GetLabel());
if ( cat == ALL_PAGE )
{
menuPages->AppendRadioItem(
Widgets_GoToPage + nPage,
info->GetLabel()
);
#if !USE_TREEBOOK
// consider only for book in book architecture
nPage++;
#endif
}
#if USE_TREEBOOK
// consider only for treebook architecture (with subpages)
nPage++;
#endif
}
}
GetMenuBar()->Append(menuPages, "&Page");
m_book->AssignImageList(imageList);
for ( cat = 0; cat < MAX_PAGES; cat++ )
{
#if USE_TREEBOOK
m_book->AddPage(NULL,WidgetsCategories[cat],false,0);
#else
m_book->AddPage(books[cat],WidgetsCategories[cat],false,0);
books[cat]->SetImageList(imageList);
#endif
// now do add them
size_t count = pages[cat].GetCount();
for ( size_t n = 0; n < count; n++ )
{
#if USE_TREEBOOK
m_book->AddSubPage
#else
books[cat]->AddPage
#endif
(
pages[cat][n],
labels[cat][n],
false, // don't select
imageId++
);
}
}
Bind(wxEVT_COMMAND_WIDGETS_PAGE_CHANGED, &WidgetsFrame::OnPageChanged, this);
const bool pageSet = wxPersistentRegisterAndRestore(m_book);
#if USE_TREEBOOK
// for treebook page #0 is empty parent page only so select the first page
// with some contents
if ( !pageSet || !m_book->GetCurrentPage() )
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
if ( !pageSet || !m_book->GetCurrentPage() )
{
// 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 // USE_TREEBOOK
}
WidgetsPage *WidgetsFrame::CurrentPage()
{
wxWindow *page = m_book->GetCurrentPage();
#if !USE_TREEBOOK
WidgetsBookCtrl *subBook = wxStaticCast(page, WidgetsBookCtrl);
wxCHECK_MSG( subBook, NULL, "no WidgetsBookCtrl?" );
page = subBook->GetCurrentPage();
#endif // !USE_TREEBOOK
return wxStaticCast(page, WidgetsPage);
}
void WidgetsFrame::ConnectToWidgetEvents()
{
const Widgets& widgets = CurrentPage()->GetWidgets();
for ( Widgets::const_iterator it = widgets.begin();
it != widgets.end();
++it )
{
wxWindow* const w = *it;
wxCHECK_RET(w, "NULL widget");
w->Bind(wxEVT_SET_FOCUS, &WidgetsFrame::OnWidgetFocus, this);
w->Bind(wxEVT_KILL_FOCUS, &WidgetsFrame::OnWidgetFocus, this);
w->Bind(wxEVT_CONTEXT_MENU, &WidgetsFrame::OnWidgetContextMenu, this);
}
}
WidgetsFrame::~WidgetsFrame()
{
#if USE_LOG
delete m_logTarget;
#endif // USE_LOG
}
// ----------------------------------------------------------------------------
// WidgetsFrame event handlers
// ----------------------------------------------------------------------------
void WidgetsFrame::OnExit(wxCommandEvent& WXUNUSED(event))
{
Close();
}
#if USE_LOG
void WidgetsFrame::OnButtonClearLog(wxCommandEvent& WXUNUSED(event))
{
m_lboxLog->Clear();
}
#endif // USE_LOG
#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 + sel);
if ( item )
item->Check();
GetMenuBar()->Check(Widgets_BusyCursor, false);
// create the pages on demand, otherwise the sample startup is too slow as
// it creates hundreds of controls
WidgetsPage *curPage = CurrentPage();
if ( curPage->GetChildren().empty() )
{
wxWindowUpdateLocker noUpdates(curPage);
curPage->CreateContent();
curPage->Layout();
ConnectToWidgetEvents();
}
// re-apply the attributes to the widget(s)
curPage->SetUpWidget();
event.Skip();
}
void WidgetsFrame::OnGoToPage(wxCommandEvent& event)
{
#if USE_TREEBOOK
m_book->SetSelection(event.GetId() - Widgets_GoToPage);
#else
m_book->SetSelection(m_book->GetPageCount()-1);
WidgetsBookCtrl *book = wxStaticCast(m_book->GetCurrentPage(), WidgetsBookCtrl);
book->SetSelection(event.GetId() - Widgets_GoToPage);
#endif
}
#if wxUSE_TOOLTIPS
void WidgetsFrame::OnSetTooltip(wxCommandEvent& WXUNUSED(event))
{
wxTextEntryDialog dialog
(
this,
"Tooltip text (may use \\n, leave empty to remove): ",
"Widgets sample",
WidgetsPage::GetAttrs().m_tooltip
);
if ( dialog.ShowModal() != wxID_OK )
return;
WidgetsPage::GetAttrs().m_tooltip = dialog.GetValue();
WidgetsPage::GetAttrs().m_tooltip.Replace("\\n", "\n");
CurrentPage()->SetUpWidget();
}
#endif // wxUSE_TOOLTIPS
namespace
{
// Trivial wrapper for wxGetColourFromUser() which also does something even if
// the colour dialog is not available in the current build (which may happen
// for the ports in development and it is still useful to see how colours work)
wxColour GetColourFromUser(wxWindow *parent, const wxColour& colDefault)
{
#if wxUSE_COLOURDLG
return wxGetColourFromUser(parent, colDefault);
#else // !wxUSE_COLOURDLG
if ( colDefault == *wxBLACK )
return *wxWHITE;
else
return *wxBLACK;
#endif // wxUSE_COLOURDLG/!wxUSE_COLOURDLG
}
} // anonymous namespace
void WidgetsFrame::OnSetFgCol(wxCommandEvent& WXUNUSED(event))
{
// allow for debugging the default colour the first time this is called
WidgetsPage *page = CurrentPage();
if (!WidgetsPage::GetAttrs().m_colFg.IsOk())
WidgetsPage::GetAttrs().m_colFg = page->GetForegroundColour();
wxColour col = GetColourFromUser(this, WidgetsPage::GetAttrs().m_colFg);
if ( !col.IsOk() )
return;
WidgetsPage::GetAttrs().m_colFg = col;
page->SetUpWidget();
}
void WidgetsFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
{
WidgetsPage *page = CurrentPage();
if ( !WidgetsPage::GetAttrs().m_colBg.IsOk() )
WidgetsPage::GetAttrs().m_colBg = page->GetBackgroundColour();
wxColour col = GetColourFromUser(this, WidgetsPage::GetAttrs().m_colBg);
if ( !col.IsOk() )
return;
WidgetsPage::GetAttrs().m_colBg = col;
page->SetUpWidget();
}
void WidgetsFrame::OnSetPageBg(wxCommandEvent& WXUNUSED(event))
{
wxColour col = GetColourFromUser(this, GetBackgroundColour());
if ( !col.IsOk() )
return;
WidgetsPage::GetAttrs().m_colPageBg = col;
CurrentPage()->SetUpWidget();
}
void WidgetsFrame::OnSetFont(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_FONTDLG
WidgetsPage *page = CurrentPage();
if (!WidgetsPage::GetAttrs().m_font.IsOk())
WidgetsPage::GetAttrs().m_font = page->GetFont();
wxFont font = wxGetFontFromUser(this, WidgetsPage::GetAttrs().m_font);
if ( !font.IsOk() )
return;
WidgetsPage::GetAttrs().m_font = font;
page->SetUpWidget();
// The best size of the widget could have changed after changing its font,
// so re-layout to show it correctly.
page->Layout();
#else
wxLogMessage("Font selection dialog not available in current build.");
#endif
}
void WidgetsFrame::OnEnable(wxCommandEvent& event)
{
WidgetsPage::GetAttrs().m_enabled = event.IsChecked();
CurrentPage()->SetUpWidget();
}
void WidgetsFrame::OnShow(wxCommandEvent &event)
{
WidgetsPage::GetAttrs().m_show = event.IsChecked();
CurrentPage()->SetUpWidget();
}
void WidgetsFrame::OnSetBorder(wxCommandEvent& event)
{
int border;
switch ( event.GetId() )
{
case Widgets_BorderNone: border = wxBORDER_NONE; break;
case Widgets_BorderStatic: border = wxBORDER_STATIC; break;
case Widgets_BorderSimple: border = wxBORDER_SIMPLE; break;
case Widgets_BorderRaised: border = wxBORDER_RAISED; break;
case Widgets_BorderSunken: border = wxBORDER_SUNKEN; break;
case Widgets_BorderDouble: border = wxBORDER_DOUBLE; break;
default:
wxFAIL_MSG( "unknown border style" );
wxFALLTHROUGH;
case Widgets_BorderDefault: border = wxBORDER_DEFAULT; break;
}
WidgetsPage::GetAttrs().m_defaultFlags &= ~wxBORDER_MASK;
WidgetsPage::GetAttrs().m_defaultFlags |= border;
WidgetsPage *page = CurrentPage();
page->RecreateWidget();
ConnectToWidgetEvents();
// re-apply the attributes to the widget(s)
page->SetUpWidget();
}
void WidgetsFrame::OnSetVariant(wxCommandEvent& event)
{
wxWindowVariant v;
switch ( event.GetId() )
{
case Widgets_VariantSmall: v = wxWINDOW_VARIANT_SMALL; break;
case Widgets_VariantMini: v = wxWINDOW_VARIANT_MINI; break;
case Widgets_VariantLarge: v = wxWINDOW_VARIANT_LARGE; break;
default:
wxFAIL_MSG( "unknown window variant" );
wxFALLTHROUGH;
case Widgets_VariantNormal: v = wxWINDOW_VARIANT_NORMAL; break;
}
WidgetsPage::GetAttrs().m_variant = v;
CurrentPage()->SetUpWidget();
CurrentPage()->Layout();
}
void WidgetsFrame::OnToggleLayoutDirection(wxCommandEvent&)
{
wxLayoutDirection dir = WidgetsPage::GetAttrs().m_dir;
if (dir == wxLayout_Default)
dir = GetLayoutDirection();
WidgetsPage::GetAttrs().m_dir =
(dir == wxLayout_LeftToRight) ? wxLayout_RightToLeft : wxLayout_LeftToRight;
CurrentPage()->SetUpWidget();
}
void WidgetsFrame::OnToggleGlobalBusyCursor(wxCommandEvent& event)
{
if ( event.IsChecked() )
wxBeginBusyCursor();
else
wxEndBusyCursor();
}
void WidgetsFrame::OnToggleBusyCursor(wxCommandEvent& event)
{
WidgetsPage::GetAttrs().m_cursor = (event.IsChecked() ? *wxHOURGLASS_CURSOR
: wxNullCursor);
CurrentPage()->SetUpWidget();
}
void WidgetsFrame::OnDisableAutoComplete(wxCommandEvent& WXUNUSED(event))
{
wxTextEntryBase *entry = CurrentPage()->GetTextEntry();
wxCHECK_RET( entry, "menu item should be disabled" );
if ( entry->AutoComplete(wxArrayString()) )
{
wxLogMessage("Disabled auto completion.");
}
else
{
wxLogMessage("AutoComplete() failed.");
}
}
void WidgetsFrame::OnAutoCompleteFixed(wxCommandEvent& WXUNUSED(event))
{
wxTextEntryBase *entry = CurrentPage()->GetTextEntry();
wxCHECK_RET( entry, "menu item should be disabled" );
wxArrayString completion_choices;
// add a few strings so a completion occurs on any letter typed
for ( char idxc = 'a'; idxc < 'z'; ++idxc )
completion_choices.push_back(wxString::Format("%c%c", idxc, idxc));
completion_choices.push_back("is this string for test?");
completion_choices.push_back("this is a test string");
completion_choices.push_back("this is another test string");
completion_choices.push_back("this string is for test");
if ( entry->AutoComplete(completion_choices) )
{
wxLogMessage("Enabled auto completion of a set of fixed strings.");
}
else
{
wxLogMessage("AutoComplete() failed.");
}
}
void WidgetsFrame::OnAutoCompleteFilenames(wxCommandEvent& WXUNUSED(event))
{
wxTextEntryBase *entry = CurrentPage()->GetTextEntry();
wxCHECK_RET( entry, "menu item should be disabled" );
if ( entry->AutoCompleteFileNames() )
{
wxLogMessage("Enabled auto completion of file names.");
}
else
{
wxLogMessage("AutoCompleteFileNames() failed.");
}
}
void WidgetsFrame::OnAutoCompleteDirectories(wxCommandEvent& WXUNUSED(event))
{
wxTextEntryBase *entry = CurrentPage()->GetTextEntry();
wxCHECK_RET( entry, "menu item should be disabled" );
if ( entry->AutoCompleteDirectories() )
{
wxLogMessage("Enabled auto completion of directories.");
}
else
{
wxLogMessage("AutoCompleteDirectories() failed.");
}
}
void WidgetsFrame::OnAutoCompleteCustom(wxCommandEvent& WXUNUSED(event))
{
DoUseCustomAutoComplete();
}
void WidgetsFrame::DoUseCustomAutoComplete(size_t minLength)
{
wxTextEntryBase *entry = CurrentPage()->GetTextEntry();
wxCHECK_RET( entry, "menu item should be disabled" );
// This is a simple (and hence rather useless) example of a custom
// completer class that completes the first word (only) initially and only
// build the list of the possible second words once the first word is
// known. This allows to avoid building the full 676000 item list of
// possible strings all at once as the we have 1000 possibilities for the
// first word (000..999) and 676 (aa..zz) for the second one.
class CustomTextCompleter : public wxTextCompleterSimple
{
public:
explicit CustomTextCompleter(size_t minLength)
: m_minLength(minLength)
{
}
virtual void GetCompletions(const wxString& prefix, wxArrayString& res) wxOVERRIDE
{
// This is used for illustrative purposes only and shows how many
// completions we return every time when we're called.
class LogCompletions
{
public:
LogCompletions(const wxString& prefix, const wxArrayString& res)
: m_prefix(prefix),
m_res(res)
{
}
~LogCompletions()
{
wxLogMessage("Returning %lu possible completions for "
"prefix \"%s\"",
m_res.size(), m_prefix);
}
private:
const wxString& m_prefix;
const wxArrayString& m_res;
} logCompletions(prefix, res);
// Wait for enough text to be entered before proposing completions:
// this is done to avoid proposing too many of them when the
// control is empty, for example.
if ( prefix.length() < m_minLength )
return;
// The only valid strings start with 3 digits so check for their
// presence proposing to complete the remaining ones.
if ( !wxIsdigit(prefix[0]) )
return;
if ( prefix.length() == 1 )
{
for ( int i = 0; i < 10; i++ )
for ( int j = 0; j < 10; j++ )
res.push_back(wxString::Format("%s%02d",
prefix, 10*i + j));
return;
}
else if ( !wxIsdigit(prefix[1]) )
return;
if ( prefix.length() == 2 )
{
for ( int i = 0; i < 10; i++ )
res.push_back(wxString::Format("%s%d", prefix, i));
return;
}
else if ( !wxIsdigit(prefix[2]) )
return;
// Next we must have a space and two letters.
wxString prefix2(prefix);
if ( prefix.length() == 3 )
prefix2 += ' ';
else if ( prefix[3] != ' ' )
return;
if ( prefix2.length() == 4 )
{
for ( char c = 'a'; c <= 'z'; c++ )
for ( char d = 'a'; d <= 'z'; d++ )
res.push_back(wxString::Format("%s%c%c", prefix2, c, d));
return;
}
else if ( !wxIslower(prefix[4]) )
return;
if ( prefix.length() == 5 )
{
for ( char c = 'a'; c <= 'z'; c++ )
res.push_back(prefix + c);
}
}
size_t m_minLength;
};
if ( entry->AutoComplete(new CustomTextCompleter(minLength)))
{
wxLogMessage("Enabled custom auto completer for \"NNN XX\" items "
"(where N is a digit and X is a letter).");
}
else
{
wxLogMessage("AutoComplete() failed.");
}
}
void WidgetsFrame::OnAutoCompleteKeyLength(wxCommandEvent& WXUNUSED(event))
{
const wxString message = "The auto-completion is triggered if and only if\n"
"the length of the search key (prefix) is at least [LENGTH].\n"
"Hint: 0 disables the length check completely.";
const wxString prompt = "Enter the minimum key length:";
const wxString caption = "Minimum key length";
int res = wxGetNumberFromUser(message, prompt, caption, 1, 0, 100, this);
if ( res == -1 )
return;
wxLogMessage("The minimum key length for autocomplete is %d.", res);
DoUseCustomAutoComplete(static_cast<size_t>(res));
}
void WidgetsFrame::OnSetHint(wxCommandEvent& WXUNUSED(event))
{
wxTextEntryBase *entry = CurrentPage()->GetTextEntry();
wxCHECK_RET( entry, "menu item should be disabled" );
static wxString s_hint("Type here");
wxString
hint = wxGetTextFromUser("Text hint:", "Widgets sample", s_hint, this);
if ( hint.empty() )
return;
s_hint = hint;
if ( entry->SetHint(hint) )
{
wxLogMessage("Set hint to \"%s\".", hint);
}
else
{
wxLogMessage("Text hints not supported.");
}
}
#endif // wxUSE_MENUS
void WidgetsFrame::OnWidgetFocus(wxFocusEvent& event)
{
// Don't show annoying message boxes when starting or closing the sample,
// only log these events in our own logger.
if ( wxGetApp().IsUsingLogWindow() )
{
wxWindow* win = (wxWindow*)event.GetEventObject();
wxLogMessage("Widget '%s' %s focus", win->GetClassInfo()->GetClassName(),
event.GetEventType() == wxEVT_SET_FOCUS ? "got" : "lost");
}
event.Skip();
}
void WidgetsFrame::OnWidgetContextMenu(wxContextMenuEvent& event)
{
wxWindow* win = (wxWindow*)event.GetEventObject();
wxLogMessage("Context menu event for %s at %dx%d",
win->GetClassInfo()->GetClassName(),
event.GetPosition().x,
event.GetPosition().y);
event.Skip();
}
// ----------------------------------------------------------------------------
// WidgetsPageInfo
// ----------------------------------------------------------------------------
WidgetsPageInfo::WidgetsPageInfo(Constructor ctor, const wxString& label, int categories)
: m_label(label)
, m_categories(categories)
{
m_ctor = ctor;
m_next = NULL;
// dummy sorting: add and immediately sort in the list according to label
if ( WidgetsPage::ms_widgetPages )
{
WidgetsPageInfo *node_prev = WidgetsPage::ms_widgetPages;
if ( wxStrcmp(label, node_prev->GetLabel().c_str()) < 0 )
{
// add as first
m_next = node_prev;
WidgetsPage::ms_widgetPages = this;
}
else
{
WidgetsPageInfo *node_next;
do
{
node_next = node_prev->GetNext();
if ( node_next )
{
// add if between two
if ( wxStrcmp(label, node_next->GetLabel().c_str()) < 0 )
{
node_prev->SetNext(this);
m_next = node_next;
// force to break loop
node_next = NULL;
}
}
else
{
// add as last
node_prev->SetNext(this);
m_next = node_next;
}
node_prev = node_next;
}
while ( node_next );
}
}
else
{
// add when first
WidgetsPage::ms_widgetPages = this;
}
}
// ----------------------------------------------------------------------------
// WidgetsPage
// ----------------------------------------------------------------------------
WidgetsPageInfo *WidgetsPage::ms_widgetPages = NULL;
WidgetsPage::WidgetsPage(WidgetsBookCtrl *book,
wxImageList *imaglist,
const char *const icon[])
: wxPanel(book, wxID_ANY,
wxDefaultPosition, wxDefaultSize,
wxCLIP_CHILDREN |
wxTAB_TRAVERSAL)
{
imaglist->Add(wxBitmap(wxImage(icon).Scale(ICON_SIZE, ICON_SIZE)));
}
/* static */
WidgetAttributes& WidgetsPage::GetAttrs()
{
static WidgetAttributes s_attrs;
return s_attrs;
}
void WidgetsPage::SetUpWidget()
{
const Widgets widgets = GetWidgets();
for ( Widgets::const_iterator it = widgets.begin();
it != widgets.end();
++it )
{
wxCHECK_RET(*it, "NULL widget");
#if wxUSE_TOOLTIPS
(*it)->SetToolTip(GetAttrs().m_tooltip);
#endif // wxUSE_TOOLTIPS
#if wxUSE_FONTDLG
if ( GetAttrs().m_font.IsOk() )
{
(*it)->SetFont(GetAttrs().m_font);
}
#endif // wxUSE_FONTDLG
if ( GetAttrs().m_colFg.IsOk() )
{
(*it)->SetForegroundColour(GetAttrs().m_colFg);
}
if ( GetAttrs().m_colBg.IsOk() )
{
(*it)->SetBackgroundColour(GetAttrs().m_colBg);
}
if (GetAttrs().m_dir != wxLayout_Default)
(*it)->SetLayoutDirection(GetAttrs().m_dir);
(*it)->Enable(GetAttrs().m_enabled);
(*it)->Show(GetAttrs().m_show);
(*it)->SetCursor(GetAttrs().m_cursor);
(*it)->SetWindowVariant(GetAttrs().m_variant);
(*it)->Refresh();
}
if ( GetAttrs().m_colPageBg.IsOk() )
{
SetBackgroundColour(GetAttrs().m_colPageBg);
Refresh();
}
}
wxSizer *WidgetsPage::CreateSizerWithText(wxControl *control,
wxWindowID id,
wxTextCtrl **ppText)
{
wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
wxTextCtrl *text = new wxTextCtrl(this, id, wxEmptyString,
wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER);
sizerRow->Add(control, wxSizerFlags(0).Border(wxRIGHT).CentreVertical());
sizerRow->Add(text, wxSizerFlags(1).Border(wxLEFT).CentreVertical());
if ( ppText )
*ppText = text;
return sizerRow;
}
// create a sizer containing a label and a text ctrl
wxSizer *WidgetsPage::CreateSizerWithTextAndLabel(const wxString& label,
wxWindowID id,
wxTextCtrl **ppText)
{
return CreateSizerWithText(new wxStaticText(this, wxID_ANY, label),
id, ppText);
}
// create a sizer containing a button and a text ctrl
wxSizer *WidgetsPage::CreateSizerWithTextAndButton(wxWindowID idBtn,
const wxString& label,
wxWindowID id,
wxTextCtrl **ppText)
{
return CreateSizerWithText(new wxButton(this, idBtn, label), id, ppText);
}
wxCheckBox *WidgetsPage::CreateCheckBoxAndAddToSizer(wxSizer *sizer,
const wxString& label,
wxWindowID id)
{
wxCheckBox *checkbox = new wxCheckBox(this, id, label);
sizer->Add(checkbox, wxSizerFlags().HorzBorder());
sizer->AddSpacer(2);
return checkbox;
}
/* static */
bool WidgetsPage::IsUsingLogWindow()
{
return wxGetApp().IsUsingLogWindow();
}
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