4f4c5fcfdf
This is a combination of running clang-tidy with modernize-use-nullptr check for some ports (GTK, X11, OSX) and manual changes to the ports for which it couldn't be used easily (MSW, DFB) and also manually updating the docs. Also replace NULL with null or nullptr in the comments as this is more consistent with the use of nullptr in the code and makes it simpler to grep for the remaining occurrences of NULL itself. And also use null in the assert messages. Only a few occurrences of "NULL" are still left in non-C files, mostly corresponding to unclear comments or string output which it might not be safe to change.
434 lines
13 KiB
C++
434 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Program: wxWidgets Widgets Sample
|
|
// Name: choice.cpp
|
|
// Purpose: Part of the widgets sample showing wxChoice
|
|
// Created: 23.07.07
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
// ============================================================================
|
|
// declarations
|
|
// ============================================================================
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// headers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// for compilers that support precompilation, includes "wx/wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
|
|
#if wxUSE_CHOICE
|
|
|
|
// for all others, include the necessary headers
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/log.h"
|
|
|
|
#include "wx/bitmap.h"
|
|
#include "wx/button.h"
|
|
#include "wx/checkbox.h"
|
|
#include "wx/choice.h"
|
|
#include "wx/combobox.h"
|
|
#include "wx/radiobox.h"
|
|
#include "wx/statbox.h"
|
|
#include "wx/textctrl.h"
|
|
#endif
|
|
|
|
#include "wx/sizer.h"
|
|
|
|
#include "wx/checklst.h"
|
|
|
|
#include "itemcontainer.h"
|
|
#include "widgets.h"
|
|
|
|
#include "icons/choice.xpm"
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// constants
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// control ids
|
|
enum
|
|
{
|
|
ChoicePage_Reset = wxID_HIGHEST,
|
|
ChoicePage_Add,
|
|
ChoicePage_AddText,
|
|
ChoicePage_AddSeveral,
|
|
ChoicePage_AddMany,
|
|
ChoicePage_Clear,
|
|
ChoicePage_Change,
|
|
ChoicePage_ChangeText,
|
|
ChoicePage_Delete,
|
|
ChoicePage_DeleteText,
|
|
ChoicePage_DeleteSel,
|
|
ChoicePage_Choice,
|
|
ChoicePage_ContainerTests
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// ChoiceWidgetsPage
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class ChoiceWidgetsPage : public ItemContainerWidgetsPage
|
|
{
|
|
public:
|
|
ChoiceWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
|
|
|
|
virtual wxWindow *GetWidget() const override { return m_choice; }
|
|
virtual wxItemContainer* GetContainer() const override { return m_choice; }
|
|
virtual void RecreateWidget() override { CreateChoice(); }
|
|
|
|
// lazy creation of the content
|
|
virtual void CreateContent() override;
|
|
|
|
protected:
|
|
// event handlers
|
|
void OnButtonReset(wxCommandEvent& event);
|
|
void OnButtonChange(wxCommandEvent& event);
|
|
void OnButtonDelete(wxCommandEvent& event);
|
|
void OnButtonDeleteSel(wxCommandEvent& event);
|
|
void OnButtonClear(wxCommandEvent& event);
|
|
void OnButtonAdd(wxCommandEvent& event);
|
|
void OnButtonAddSeveral(wxCommandEvent& event);
|
|
void OnButtonAddMany(wxCommandEvent& event);
|
|
|
|
void OnChoice(wxCommandEvent& event);
|
|
|
|
void OnCheckOrRadioBox(wxCommandEvent& event);
|
|
|
|
void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
|
|
void OnUpdateUIClearButton(wxUpdateUIEvent& event);
|
|
void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
|
|
void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
|
|
void OnUpdateUIResetButton(wxUpdateUIEvent& event);
|
|
|
|
// reset the choice parameters
|
|
void Reset();
|
|
|
|
// (re)create the choice
|
|
void CreateChoice();
|
|
|
|
// should it be sorted?
|
|
bool m_sorted;
|
|
|
|
// the controls
|
|
// ------------
|
|
|
|
// the checkboxes
|
|
wxCheckBox *m_chkSort;
|
|
|
|
// the choice itself and the sizer it is in
|
|
wxChoice *m_choice;
|
|
|
|
wxSizer *m_sizerChoice;
|
|
|
|
// the text entries for "Add/change string" and "Delete" buttons
|
|
wxTextCtrl *m_textAdd,
|
|
*m_textChange,
|
|
*m_textDelete;
|
|
|
|
private:
|
|
wxDECLARE_EVENT_TABLE();
|
|
DECLARE_WIDGETS_PAGE(ChoiceWidgetsPage)
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// event tables
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxBEGIN_EVENT_TABLE(ChoiceWidgetsPage, WidgetsPage)
|
|
EVT_BUTTON(ChoicePage_Reset, ChoiceWidgetsPage::OnButtonReset)
|
|
EVT_BUTTON(ChoicePage_Change, ChoiceWidgetsPage::OnButtonChange)
|
|
EVT_BUTTON(ChoicePage_Delete, ChoiceWidgetsPage::OnButtonDelete)
|
|
EVT_BUTTON(ChoicePage_DeleteSel, ChoiceWidgetsPage::OnButtonDeleteSel)
|
|
EVT_BUTTON(ChoicePage_Clear, ChoiceWidgetsPage::OnButtonClear)
|
|
EVT_BUTTON(ChoicePage_Add, ChoiceWidgetsPage::OnButtonAdd)
|
|
EVT_BUTTON(ChoicePage_AddSeveral, ChoiceWidgetsPage::OnButtonAddSeveral)
|
|
EVT_BUTTON(ChoicePage_AddMany, ChoiceWidgetsPage::OnButtonAddMany)
|
|
EVT_BUTTON(ChoicePage_ContainerTests, ItemContainerWidgetsPage::OnButtonTestItemContainer)
|
|
|
|
EVT_TEXT_ENTER(ChoicePage_AddText, ChoiceWidgetsPage::OnButtonAdd)
|
|
EVT_TEXT_ENTER(ChoicePage_DeleteText, ChoiceWidgetsPage::OnButtonDelete)
|
|
|
|
EVT_UPDATE_UI(ChoicePage_Reset, ChoiceWidgetsPage::OnUpdateUIResetButton)
|
|
EVT_UPDATE_UI(ChoicePage_AddSeveral, ChoiceWidgetsPage::OnUpdateUIAddSeveral)
|
|
EVT_UPDATE_UI(ChoicePage_Clear, ChoiceWidgetsPage::OnUpdateUIClearButton)
|
|
EVT_UPDATE_UI(ChoicePage_DeleteText, ChoiceWidgetsPage::OnUpdateUIClearButton)
|
|
EVT_UPDATE_UI(ChoicePage_Delete, ChoiceWidgetsPage::OnUpdateUIDeleteButton)
|
|
EVT_UPDATE_UI(ChoicePage_Change, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
|
|
EVT_UPDATE_UI(ChoicePage_ChangeText, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
|
|
EVT_UPDATE_UI(ChoicePage_DeleteSel, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
|
|
|
|
EVT_CHOICE(ChoicePage_Choice, ChoiceWidgetsPage::OnChoice)
|
|
|
|
EVT_CHECKBOX(wxID_ANY, ChoiceWidgetsPage::OnCheckOrRadioBox)
|
|
EVT_RADIOBOX(wxID_ANY, ChoiceWidgetsPage::OnCheckOrRadioBox)
|
|
wxEND_EVENT_TABLE()
|
|
|
|
// ============================================================================
|
|
// implementation
|
|
// ============================================================================
|
|
|
|
#if defined(__WXUNIVERSAL__)
|
|
#define FAMILY_CTRLS UNIVERSAL_CTRLS
|
|
#else
|
|
#define FAMILY_CTRLS NATIVE_CTRLS
|
|
#endif
|
|
|
|
IMPLEMENT_WIDGETS_PAGE(ChoiceWidgetsPage, "Choice",
|
|
FAMILY_CTRLS | WITH_ITEMS_CTRLS
|
|
);
|
|
|
|
ChoiceWidgetsPage::ChoiceWidgetsPage(WidgetsBookCtrl *book,
|
|
wxImageList *imaglist)
|
|
: ItemContainerWidgetsPage(book, imaglist, choice_xpm)
|
|
{
|
|
// init everything
|
|
|
|
m_chkSort = nullptr;
|
|
|
|
m_choice = nullptr;
|
|
m_sizerChoice = nullptr;
|
|
|
|
}
|
|
|
|
void ChoiceWidgetsPage::CreateContent()
|
|
{
|
|
/*
|
|
What we create here is a frame having 3 panes: style pane is the
|
|
leftmost one, in the middle the pane with buttons allowing to perform
|
|
miscellaneous choice operations and the pane containing the choice
|
|
itself to the right
|
|
*/
|
|
wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
|
|
|
|
// left pane
|
|
wxStaticBox *box = new wxStaticBox(this, wxID_ANY,
|
|
"&Set choice parameters");
|
|
wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
|
|
|
|
m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, "&Sort items");
|
|
|
|
wxButton *btn = new wxButton(this, ChoicePage_Reset, "&Reset");
|
|
sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
|
|
|
|
// middle pane
|
|
wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
|
|
"&Change choice contents");
|
|
wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
|
|
|
|
wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
|
|
btn = new wxButton(this, ChoicePage_Add, "&Add this string");
|
|
m_textAdd = new wxTextCtrl(this, ChoicePage_AddText, "test item 0");
|
|
sizerRow->Add(btn, 0, wxRIGHT, 5);
|
|
sizerRow->Add(m_textAdd, 1, wxLEFT, 5);
|
|
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
|
|
|
|
btn = new wxButton(this, ChoicePage_AddSeveral, "&Insert a few strings");
|
|
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
|
|
|
|
btn = new wxButton(this, ChoicePage_AddMany, "Add &many strings");
|
|
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
|
|
|
|
sizerRow = new wxBoxSizer(wxHORIZONTAL);
|
|
btn = new wxButton(this, ChoicePage_Change, "C&hange current");
|
|
m_textChange = new wxTextCtrl(this, ChoicePage_ChangeText, wxEmptyString);
|
|
sizerRow->Add(btn, 0, wxRIGHT, 5);
|
|
sizerRow->Add(m_textChange, 1, wxLEFT, 5);
|
|
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
|
|
|
|
sizerRow = new wxBoxSizer(wxHORIZONTAL);
|
|
btn = new wxButton(this, ChoicePage_Delete, "&Delete this item");
|
|
m_textDelete = new wxTextCtrl(this, ChoicePage_DeleteText, wxEmptyString);
|
|
sizerRow->Add(btn, 0, wxRIGHT, 5);
|
|
sizerRow->Add(m_textDelete, 1, wxLEFT, 5);
|
|
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
|
|
|
|
btn = new wxButton(this, ChoicePage_DeleteSel, "Delete &selection");
|
|
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
|
|
|
|
btn = new wxButton(this, ChoicePage_Clear, "&Clear");
|
|
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
|
|
|
|
btn = new wxButton(this, ChoicePage_ContainerTests, "Run &tests");
|
|
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
|
|
|
|
// right pane
|
|
wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
|
|
m_choice = new wxChoice(this, ChoicePage_Choice);
|
|
sizerRight->Add(m_choice, 0, wxALL | wxGROW, 5);
|
|
sizerRight->SetMinSize(150, 0);
|
|
m_sizerChoice = sizerRight; // save it to modify it later
|
|
|
|
// the 3 panes panes compose the window
|
|
sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
|
|
sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
|
|
sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
|
|
|
|
// final initializations
|
|
Reset();
|
|
|
|
SetSizer(sizerTop);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// operations
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void ChoiceWidgetsPage::Reset()
|
|
{
|
|
m_chkSort->SetValue(false);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::CreateChoice()
|
|
{
|
|
int flags = GetAttrs().m_defaultFlags;
|
|
|
|
if ( m_chkSort->GetValue() )
|
|
flags |= wxCB_SORT;
|
|
|
|
wxArrayString items;
|
|
if ( m_choice )
|
|
{
|
|
int count = m_choice->GetCount();
|
|
for ( int n = 0; n < count; n++ )
|
|
{
|
|
items.Add(m_choice->GetString(n));
|
|
}
|
|
|
|
m_sizerChoice->Detach( m_choice );
|
|
delete m_choice;
|
|
}
|
|
|
|
m_choice = new wxChoice(this, ChoicePage_Choice,
|
|
wxDefaultPosition, wxDefaultSize,
|
|
0, nullptr,
|
|
flags);
|
|
|
|
m_choice->Set(items);
|
|
m_sizerChoice->Add(m_choice, 0, wxGROW | wxALL, 5);
|
|
m_sizerChoice->Layout();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// event handlers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void ChoiceWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
Reset();
|
|
|
|
CreateChoice();
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
int selection = m_choice->GetSelection();
|
|
if(selection != wxNOT_FOUND)
|
|
{
|
|
m_choice->SetString(selection, m_textChange->GetValue());
|
|
}
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
unsigned long n;
|
|
if ( !m_textDelete->GetValue().ToULong(&n) ||
|
|
(n >= (unsigned)m_choice->GetCount()) )
|
|
{
|
|
return;
|
|
}
|
|
|
|
m_choice->Delete(n);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
int selection = m_choice->GetSelection();
|
|
if(selection != wxNOT_FOUND)
|
|
{
|
|
m_choice->Delete(selection);
|
|
}
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
m_choice->Clear();
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
static unsigned int s_item = 0;
|
|
|
|
wxString s = m_textAdd->GetValue();
|
|
if ( !m_textAdd->IsModified() )
|
|
{
|
|
// update the default string
|
|
m_textAdd->SetValue(wxString::Format("test item %u", ++s_item));
|
|
}
|
|
|
|
m_choice->Append(s);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
// "many" means 1000 here
|
|
wxArrayString strings;
|
|
for ( unsigned int n = 0; n < 1000; n++ )
|
|
{
|
|
strings.Add(wxString::Format("item #%u", n));
|
|
}
|
|
m_choice->Append(strings);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
wxArrayString items;
|
|
items.Add("First");
|
|
items.Add("another one");
|
|
items.Add("and the last (very very very very very very very very very very long) one");
|
|
m_choice->Insert(items, 0);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
|
|
{
|
|
event.Enable( m_chkSort->GetValue() );
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
|
|
{
|
|
unsigned long n;
|
|
event.Enable(m_textDelete->GetValue().ToULong(&n) &&
|
|
(n < (unsigned)m_choice->GetCount()));
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
|
|
{
|
|
wxArrayInt selections;
|
|
event.Enable(m_choice->GetSelection() != wxNOT_FOUND);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
|
|
{
|
|
event.Enable(m_choice->GetCount() != 0);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
|
|
{
|
|
event.Enable(!m_choice->HasFlag(wxCB_SORT));
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnChoice(wxCommandEvent& event)
|
|
{
|
|
long sel = event.GetSelection();
|
|
m_textDelete->SetValue(wxString::Format("%ld", sel));
|
|
|
|
wxLogMessage("Choice item %ld selected", sel);
|
|
}
|
|
|
|
void ChoiceWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
CreateChoice();
|
|
}
|
|
|
|
#endif // wxUSE_CHOICE
|