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wxWidgets/samples/statbar/statbar.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: statbar.cpp
// Purpose: wxStatusBar sample
// Author: Vadim Zeitlin
// Created: 04.02.00
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#if !wxUSE_STATUSBAR
#error "You need to set wxUSE_STATUSBAR to 1 to compile this sample"
#endif // wxUSE_STATUSBAR
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/dcclient.h"
#include "wx/log.h"
#include "wx/frame.h"
#include "wx/statusbr.h"
#include "wx/timer.h"
#include "wx/checkbox.h"
#include "wx/statbmp.h"
#include "wx/menu.h"
#include "wx/msgdlg.h"
#include "wx/textdlg.h"
#include "wx/sizer.h"
#include "wx/stattext.h"
#include "wx/bmpbuttn.h"
#include "wx/dcmemory.h"
#endif
#include "wx/datetime.h"
#include "wx/numdlg.h"
#include "wx/fontdlg.h"
#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../sample.xpm"
#endif
//#define USE_MDI_PARENT_FRAME 1
#ifdef USE_MDI_PARENT_FRAME
#include "wx/mdi.h"
#endif // USE_MDI_PARENT_FRAME
static const char *SAMPLE_DIALOGS_TITLE = "wxWidgets statbar sample";
// ----------------------------------------------------------------------------
// resources
// ----------------------------------------------------------------------------
#include "green.xpm"
#include "red.xpm"
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// 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;
};
// A custom status bar which contains controls, icons &c
class MyStatusBar : public wxStatusBar
{
public:
MyStatusBar(wxWindow *parent, long style = wxSTB_DEFAULT_STYLE);
virtual ~MyStatusBar();
void UpdateClock();
// event handlers
#if wxUSE_TIMER
void OnTimer(wxTimerEvent& WXUNUSED(event)) { UpdateClock(); }
#endif
void OnSize(wxSizeEvent& event);
void OnToggleClock(wxCommandEvent& event);
void OnIdle(wxIdleEvent& event);
private:
// toggle the state of the status bar controls
void DoToggle();
enum
{
Field_Text,
Field_Checkbox,
Field_Bitmap,
Field_NumLockIndicator,
Field_Clock,
Field_CapsLockIndicator,
Field_Max
};
#if wxUSE_TIMER
wxTimer m_timer;
#endif
#if wxUSE_CHECKBOX
wxCheckBox *m_checkbox;
#endif
wxStaticBitmap *m_statbmp;
wxDECLARE_EVENT_TABLE();
};
// Define a new frame type: this is going to be our main frame
#ifdef USE_MDI_PARENT_FRAME
class MyFrame : public wxMDIParentFrame
#else
class MyFrame : public wxFrame
#endif
{
public:
// ctor(s)
MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnSetStatusField(wxCommandEvent& event);
void OnSetStatusText(wxCommandEvent& event);
void OnPushStatusText(wxCommandEvent& event);
void OnPopStatusText(wxCommandEvent& event);
void OnResetFieldsWidth(wxCommandEvent& event);
void OnShowFieldsRect(wxCommandEvent& event);
void OnSetStatusFields(wxCommandEvent& event);
void OnSetStatusFont(wxCommandEvent& event);
void OnRecreateStatusBar(wxCommandEvent& event);
void OnSetPaneStyle(wxCommandEvent& event);
void OnSetStyle(wxCommandEvent& event);
private:
enum StatusBarKind
{
StatBar_Default,
StatBar_Custom,
StatBar_Max
} m_statbarKind;
void OnUpdateForDefaultStatusbar(wxUpdateUIEvent& event);
void OnUpdateStatusBarToggle(wxUpdateUIEvent& event);
void OnUpdateSetPaneStyle(wxUpdateUIEvent& event);
void OnUpdateSetStyle(wxUpdateUIEvent& event);
void OnStatusBarToggle(wxCommandEvent& event);
void DoCreateStatusBar(StatusBarKind kind, long style);
void ApplyPaneStyle();
int m_statbarPaneStyle;
// the index of the field used by some commands
int m_field;
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
};
// Our about dialog ith its status bar
class MyAboutDialog : public wxDialog
{
public:
MyAboutDialog(wxWindow *parent);
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
StatusBar_Quit = wxID_EXIT,
StatusBar_About = wxID_ABOUT,
StatusBar_SetFields = wxID_HIGHEST+1,
StatusBar_SetField,
StatusBar_SetText,
StatusBar_PushText,
StatusBar_PopText,
StatusBar_SetFont,
StatusBar_ResetFieldsWidth,
StatusBar_ShowFieldsRect,
StatusBar_Recreate,
StatusBar_Toggle,
StatusBar_Checkbox,
StatusBar_SetPaneStyle,
StatusBar_SetPaneStyleNormal,
StatusBar_SetPaneStyleFlat,
StatusBar_SetPaneStyleRaised,
StatusBar_SetPaneStyleSunken,
StatusBar_SetStyleSizeGrip,
StatusBar_SetStyleEllipsizeStart,
StatusBar_SetStyleEllipsizeMiddle,
StatusBar_SetStyleEllipsizeEnd,
StatusBar_SetStyleShowTips
};
static const int BITMAP_SIZE_X = 32;
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
// the event tables connect the wxWidgets events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
#ifdef USE_MDI_PARENT_FRAME
wxBEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
#else
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
#endif
EVT_MENU(StatusBar_Quit, MyFrame::OnQuit)
EVT_MENU(StatusBar_SetFields, MyFrame::OnSetStatusFields)
EVT_MENU(StatusBar_SetField, MyFrame::OnSetStatusField)
EVT_MENU(StatusBar_SetText, MyFrame::OnSetStatusText)
EVT_MENU(StatusBar_PushText, MyFrame::OnPushStatusText)
EVT_MENU(StatusBar_PopText, MyFrame::OnPopStatusText)
EVT_MENU(StatusBar_SetFont, MyFrame::OnSetStatusFont)
EVT_MENU(StatusBar_ResetFieldsWidth, MyFrame::OnResetFieldsWidth)
EVT_MENU(StatusBar_ShowFieldsRect, MyFrame::OnShowFieldsRect)
EVT_MENU(StatusBar_Recreate, MyFrame::OnRecreateStatusBar)
EVT_MENU(StatusBar_About, MyFrame::OnAbout)
EVT_MENU(StatusBar_Toggle, MyFrame::OnStatusBarToggle)
EVT_MENU(StatusBar_SetPaneStyleNormal, MyFrame::OnSetPaneStyle)
EVT_MENU(StatusBar_SetPaneStyleFlat, MyFrame::OnSetPaneStyle)
EVT_MENU(StatusBar_SetPaneStyleRaised, MyFrame::OnSetPaneStyle)
EVT_MENU(StatusBar_SetPaneStyleSunken, MyFrame::OnSetPaneStyle)
EVT_MENU(StatusBar_SetStyleSizeGrip, MyFrame::OnSetStyle)
EVT_MENU(StatusBar_SetStyleEllipsizeStart, MyFrame::OnSetStyle)
EVT_MENU(StatusBar_SetStyleEllipsizeMiddle, MyFrame::OnSetStyle)
EVT_MENU(StatusBar_SetStyleEllipsizeEnd, MyFrame::OnSetStyle)
EVT_MENU(StatusBar_SetStyleShowTips, MyFrame::OnSetStyle)
EVT_UPDATE_UI_RANGE(StatusBar_SetFields, StatusBar_ResetFieldsWidth,
MyFrame::OnUpdateForDefaultStatusbar)
EVT_UPDATE_UI(StatusBar_Toggle, MyFrame::OnUpdateStatusBarToggle)
EVT_UPDATE_UI_RANGE(StatusBar_SetPaneStyleNormal,
StatusBar_SetPaneStyleSunken,
MyFrame::OnUpdateSetPaneStyle)
EVT_UPDATE_UI_RANGE(StatusBar_SetStyleSizeGrip, StatusBar_SetStyleShowTips,
MyFrame::OnUpdateSetStyle)
wxEND_EVENT_TABLE()
wxBEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar)
EVT_SIZE(MyStatusBar::OnSize)
#if wxUSE_CHECKBOX
EVT_CHECKBOX(StatusBar_Checkbox, MyStatusBar::OnToggleClock)
#endif
#if wxUSE_TIMER
EVT_TIMER(wxID_ANY, MyStatusBar::OnTimer)
#endif
EVT_IDLE(MyStatusBar::OnIdle)
wxEND_EVENT_TABLE()
// Create a new application object: this macro will allow wxWidgets to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
wxIMPLEMENT_APP(MyApp);
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
// create the main application window
MyFrame *frame = new MyFrame("wxStatusBar sample",
wxPoint(50, 50), wxSize(450, 340));
// and show it (the frames, unlike simple controls, are not shown when
// created initially)
frame->Show(true);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned 'false' here, the
// application would exit immediately.
return true;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
#ifdef USE_MDI_PARENT_FRAME
: wxMDIParentFrame(NULL, wxID_ANY, title, pos, size)
#else
: wxFrame(NULL, wxID_ANY, title, pos, size)
#endif
{
SetIcon(wxICON(sample));
m_statbarPaneStyle = wxSB_NORMAL;
m_field = 1;
// create a menu bar
wxMenu *menuFile = new wxMenu;
menuFile->Append(StatusBar_Quit, "E&xit\tAlt-X",
"Quit this program");
wxMenu *statbarMenu = new wxMenu;
wxMenu *statbarStyleMenu = new wxMenu;
statbarStyleMenu->Append(StatusBar_SetStyleSizeGrip, "wxSTB_SIZE_GRIP",
"Toggles the wxSTB_SIZE_GRIP style", true);
statbarStyleMenu->Append(StatusBar_SetStyleShowTips, "wxSTB_SHOW_TIPS",
"Toggles the wxSTB_SHOW_TIPS style", true);
statbarStyleMenu->AppendSeparator();
statbarStyleMenu->AppendCheckItem(StatusBar_SetStyleEllipsizeStart,
"wxSTB_ELLIPSIZE_START",
"Toggle wxSTB_ELLIPSIZE_START style");
statbarStyleMenu->AppendCheckItem(StatusBar_SetStyleEllipsizeMiddle,
"wxSTB_ELLIPSIZE_MIDDLE",
"Toggle wxSTB_ELLIPSIZE_MIDDLE style");
statbarStyleMenu->AppendCheckItem(StatusBar_SetStyleEllipsizeEnd,
"wxSTB_ELLIPSIZE_END",
"Toggle wxSTB_ELLIPSIZE_END style");
statbarMenu->Append(StatusBar_SetPaneStyle, "Status bar style",
statbarStyleMenu);
statbarMenu->AppendSeparator();
statbarMenu->Append(StatusBar_SetField, "Set active field &number\tCtrl-N",
"Set the number of field used by the next commands.");
statbarMenu->Append(StatusBar_SetText, "Set field &text\tCtrl-T",
"Set the text of the selected field.");
statbarMenu->Append(StatusBar_PushText, "P&ush field text\tCtrl-P",
"Push a message on top the selected field.");
statbarMenu->Append(StatusBar_PopText, "&Pop field text\tShift-Ctrl-P",
"Restore the previous contents of the selected field.");
statbarMenu->AppendSeparator();
statbarMenu->Append(StatusBar_SetFields, "&Set field count\tCtrl-C",
"Set the number of status bar fields");
statbarMenu->Append(StatusBar_SetFont, "&Set field font\tCtrl-F",
"Set the font to use for status bar fields");
wxMenu *statbarPaneStyleMenu = new wxMenu;
statbarPaneStyleMenu->AppendCheckItem
(
StatusBar_SetPaneStyleNormal,
"&Normal",
"Sets the style of the first field to normal (sunken) look"
);
statbarPaneStyleMenu->AppendCheckItem
(
StatusBar_SetPaneStyleFlat,
"&Flat",
"Sets the style of the first field to flat look"
);
statbarPaneStyleMenu->AppendCheckItem
(
StatusBar_SetPaneStyleRaised,
"&Raised",
"Sets the style of the first field to raised look"
);
statbarPaneStyleMenu->AppendCheckItem
(
StatusBar_SetPaneStyleSunken,
"&Sunken",
"Sets the style of the first field to sunken look"
);
statbarMenu->Append(StatusBar_SetPaneStyle, "Field style",
statbarPaneStyleMenu);
statbarMenu->Append(StatusBar_ResetFieldsWidth, "Reset field widths",
"Sets all fields to the same width");
statbarMenu->Append(StatusBar_ShowFieldsRect,
"Sho&w field rectangles\tCtrl-W",
"Visually show field rectangles");
statbarMenu->AppendSeparator();
statbarMenu->AppendCheckItem(StatusBar_Toggle, "&Toggle Status Bar",
"Toggle the status bar display");
statbarMenu->Append(StatusBar_Recreate, "&Recreate\tCtrl-R",
"Toggle status bar format");
wxMenu *helpMenu = new wxMenu;
helpMenu->Append(StatusBar_About, "&About\tCtrl-A",
"Show about dialog");
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(menuFile, "&File");
menuBar->Append(statbarMenu, "&Status bar");
menuBar->Append(helpMenu, "&Help");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
// create default status bar to start with
DoCreateStatusBar(StatBar_Default, wxSTB_DEFAULT_STYLE);
SetStatusText("Welcome to wxWidgets!");
}
void MyFrame::DoCreateStatusBar(MyFrame::StatusBarKind kind, long style)
{
wxStatusBar *statbarOld = GetStatusBar();
if ( statbarOld )
{
SetStatusBar(NULL);
delete statbarOld;
}
wxStatusBar *statbarNew = NULL;
switch ( kind )
{
case StatBar_Default:
statbarNew = new wxStatusBar(this, wxID_ANY, style, "wxStatusBar");
statbarNew->SetFieldsCount(2);
break;
case StatBar_Custom:
statbarNew = new MyStatusBar(this, style);
break;
default:
wxFAIL_MSG("unknown status bar kind");
}
SetStatusBar(statbarNew);
ApplyPaneStyle();
PositionStatusBar();
m_statbarKind = kind;
}
// ----------------------------------------------------------------------------
// main frame - event handlers
// ----------------------------------------------------------------------------
void MyFrame::OnUpdateForDefaultStatusbar(wxUpdateUIEvent& event)
{
// only allow this feature for the default status bar
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
event.Enable(sb->GetName() == "wxStatusBar");
}
void MyFrame::OnSetStatusField(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
long rc = wxGetNumberFromUser
(
"Configure the field index to be used by the set, push "
"and pop text commands in the menu.\n"
"\n"
"0 corresponds to the first field, 1 to the second one "
"and so on.",
"Field &index:",
SAMPLE_DIALOGS_TITLE,
m_field,
0,
sb->GetFieldsCount() - 1,
NULL
);
if ( rc == -1 )
return;
m_field = rc;
wxLogStatus("Status bar text will be set for field #%d", m_field);
}
void MyFrame::OnSetStatusText(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
wxString txt = wxGetTextFromUser
(
wxString::Format
(
"Enter the text from for the field #%d",
m_field
),
SAMPLE_DIALOGS_TITLE,
sb->GetStatusText(m_field),
this
);
if ( txt.empty() )
return;
sb->SetStatusText(txt, m_field);
}
// the current depth of the stack used by Push/PopStatusText()
static int gs_depth = 0;
void MyFrame::OnPushStatusText(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
static int s_countPush = 0;
sb->PushStatusText(wxString::Format
(
"Pushed message #%d (depth = %d)",
++s_countPush, ++gs_depth
), m_field);
}
void MyFrame::OnPopStatusText(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
if ( !gs_depth )
{
wxLogStatus("No message to pop.");
return;
}
gs_depth--;
sb->PopStatusText(m_field);
}
void MyFrame::OnSetStatusFont(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
wxFont
fnt = wxGetFontFromUser(this, sb->GetFont(), "Choose status bar font");
if (fnt.IsOk())
{
sb->SetFont(fnt);
sb->SetSize(sb->GetBestSize());
}
}
void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
long nFields = wxGetNumberFromUser
(
"Select the number of fields in the status bar",
"Fields:",
SAMPLE_DIALOGS_TITLE,
sb->GetFieldsCount(),
1, 5,
this
);
// we don't check if the number changed at all on purpose: calling
// SetFieldsCount() with the same number of fields should be ok
if ( nFields != -1 )
{
static const int widthsFor2Fields[] = { 200, -1 };
static const int widthsFor3Fields[] = { -1, -2, -1 };
static const int widthsFor4Fields[] = { 100, -1, 100, -2, 100 };
static const int *widthsAll[] =
{
NULL, // 1 field: default
widthsFor2Fields, // 2 fields: 1 fixed, 1 var
widthsFor3Fields, // 3 fields: 3 var
widthsFor4Fields, // 4 fields: 3 fixed, 2 vars
NULL // 5 fields: default (all have same width)
};
const int * const widths = widthsAll[nFields - 1];
sb->SetFieldsCount(nFields, widths);
wxString s;
for ( long n = 0; n < nFields; n++ )
{
if ( widths )
{
if ( widths[n] > 0 )
s.Printf("fixed (%d)", widths[n]);
else
s.Printf("variable (*%d)", -widths[n]);
}
else
{
s = "default";
}
SetStatusText(s, n);
}
if ( m_field >= nFields )
m_field = nFields - 1;
}
else
{
wxLogStatus(this, "Cancelled");
}
}
void MyFrame::OnResetFieldsWidth(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *pStat = GetStatusBar();
if ( !pStat )
return;
const int n = pStat->GetFieldsCount();
pStat->SetStatusWidths(n, NULL);
for ( int i = 0; i < n; i++ )
pStat->SetStatusText("same size", i);
}
void MyFrame::OnShowFieldsRect(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *pStat = GetStatusBar();
if ( !pStat )
return;
wxClientDC dc(pStat);
dc.SetPen(*wxRED_PEN);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
// Not all systems support drawing using wxClientDC, so also show the
// coordinates in a message box.
wxString msg;
const wxSize size = pStat->GetClientSize();
msg.Printf("Status bar client size is (%d,%d)\n\n", size.x, size.y);
const int n = pStat->GetFieldsCount();
for ( int i = 0; i < n; i++ )
{
wxRect r;
if ( pStat->GetFieldRect(i, r) )
{
msg += wxString::Format("Field %d rectangle is (%d,%d)-(%d,%d)\n",
i,
r.x, r.y,
r.x + r.width,
r.y + r.height);
dc.DrawRectangle(r);
}
}
wxLogMessage("%s", msg);
}
void MyFrame::OnUpdateStatusBarToggle(wxUpdateUIEvent& event)
{
event.Check(GetStatusBar() != NULL);
}
void MyFrame::OnStatusBarToggle(wxCommandEvent& WXUNUSED(event))
{
wxStatusBar *statbarOld = GetStatusBar();
if ( statbarOld )
{
SetStatusBar(NULL);
delete statbarOld;
}
else
{
DoCreateStatusBar(m_statbarKind, wxSTB_DEFAULT_STYLE);
}
}
void MyFrame::OnRecreateStatusBar(wxCommandEvent& WXUNUSED(event))
{
DoCreateStatusBar(m_statbarKind == StatBar_Custom ? StatBar_Default
: StatBar_Custom,
wxSTB_DEFAULT_STYLE);
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
MyAboutDialog dlg(this);
dlg.ShowModal();
}
void MyFrame::OnUpdateSetPaneStyle(wxUpdateUIEvent& event)
{
switch (event.GetId())
{
case StatusBar_SetPaneStyleNormal:
event.Check(m_statbarPaneStyle == wxSB_NORMAL);
break;
case StatusBar_SetPaneStyleFlat:
event.Check(m_statbarPaneStyle == wxSB_FLAT);
break;
case StatusBar_SetPaneStyleRaised:
event.Check(m_statbarPaneStyle == wxSB_RAISED);
break;
case StatusBar_SetPaneStyleSunken:
event.Check(m_statbarPaneStyle == wxSB_SUNKEN);
break;
}
}
void MyFrame::OnSetPaneStyle(wxCommandEvent& event)
{
switch (event.GetId())
{
case StatusBar_SetPaneStyleNormal:
m_statbarPaneStyle = wxSB_NORMAL;
break;
case StatusBar_SetPaneStyleFlat:
m_statbarPaneStyle = wxSB_FLAT;
break;
case StatusBar_SetPaneStyleRaised:
m_statbarPaneStyle = wxSB_RAISED;
break;
case StatusBar_SetPaneStyleSunken:
m_statbarPaneStyle = wxSB_SUNKEN;
break;
}
ApplyPaneStyle();
}
void MyFrame::ApplyPaneStyle()
{
wxStatusBar *sb = GetStatusBar();
if (!sb)
return;
int fields = sb->GetFieldsCount();
int *styles = new int[fields];
for (int i = 1; i < fields; i++)
styles[i] = wxSB_NORMAL;
styles[0] = m_statbarPaneStyle;
sb->SetStatusStyles(fields, styles);
delete [] styles;
}
void MyFrame::OnUpdateSetStyle(wxUpdateUIEvent& event)
{
long currentStyle = wxSTB_DEFAULT_STYLE;
if (GetStatusBar())
currentStyle = GetStatusBar()->GetWindowStyle();
switch (event.GetId())
{
case StatusBar_SetStyleSizeGrip:
event.Check((currentStyle & wxSTB_SIZEGRIP) != 0);
break;
case StatusBar_SetStyleShowTips:
event.Check((currentStyle & wxSTB_SHOW_TIPS) != 0);
break;
case StatusBar_SetStyleEllipsizeStart:
event.Check((currentStyle & wxSTB_ELLIPSIZE_START) != 0);
break;
case StatusBar_SetStyleEllipsizeMiddle:
event.Check((currentStyle & wxSTB_ELLIPSIZE_MIDDLE) != 0);
break;
case StatusBar_SetStyleEllipsizeEnd:
event.Check((currentStyle & wxSTB_ELLIPSIZE_END) != 0);
break;
}
}
void MyFrame::OnSetStyle(wxCommandEvent& event)
{
long oldStyle = wxSTB_DEFAULT_STYLE;
if (GetStatusBar())
oldStyle = GetStatusBar()->GetWindowStyle();
#define STB_ELLIPSIZE_MASK \
(wxSTB_ELLIPSIZE_START|wxSTB_ELLIPSIZE_MIDDLE|wxSTB_ELLIPSIZE_END)
long newStyle = oldStyle;
long newStyleBit = 0;
switch (event.GetId())
{
case StatusBar_SetStyleSizeGrip:
newStyleBit = wxSTB_SIZEGRIP;
break;
case StatusBar_SetStyleShowTips:
newStyleBit = wxSTB_SHOW_TIPS;
break;
case StatusBar_SetStyleEllipsizeStart:
newStyleBit = wxSTB_ELLIPSIZE_START;
newStyle &= ~STB_ELLIPSIZE_MASK;
break;
case StatusBar_SetStyleEllipsizeMiddle:
newStyleBit = wxSTB_ELLIPSIZE_MIDDLE;
newStyle &= ~STB_ELLIPSIZE_MASK;
break;
case StatusBar_SetStyleEllipsizeEnd:
newStyleBit = wxSTB_ELLIPSIZE_END;
newStyle &= ~STB_ELLIPSIZE_MASK;
break;
}
newStyle = event.IsChecked() ? (newStyle | newStyleBit) :
(newStyle & ~newStyleBit);
if (newStyle != oldStyle)
{
DoCreateStatusBar(m_statbarKind, newStyle);
SetStatusText("Status bar recreated with a new style");
}
}
// ----------------------------------------------------------------------------
// MyAboutDialog
// ----------------------------------------------------------------------------
MyAboutDialog::MyAboutDialog(wxWindow *parent)
: wxDialog(parent, wxID_ANY, wxString("About statbar"),
wxDefaultPosition, wxDefaultSize,
wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
{
wxStaticText *text = new wxStaticText(this, wxID_ANY,
"wxStatusBar sample\n"
"(c) 2000 Vadim Zeitlin");
wxButton *btn = new wxButton(this, wxID_OK, "&Close");
// create the top status bar without the size grip (default style),
// otherwise it looks weird
wxStatusBar *statbarTop = new wxStatusBar(this, wxID_ANY, 0);
statbarTop->SetFieldsCount(3);
statbarTop->SetStatusText("This is a top status bar", 0);
statbarTop->SetStatusText("in a dialog", 1);
statbarTop->SetStatusText("Great, isn't it?", 2);
wxStatusBar *statbarBottom = new wxStatusBar(this, wxID_ANY);
statbarBottom->SetFieldsCount(2);
statbarBottom->SetStatusText("This is a bottom status bar", 0);
statbarBottom->SetStatusText("in a dialog", 1);
wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
sizerTop->Add(statbarTop, 0, wxGROW);
sizerTop->Add(-1, 10, 1, wxGROW);
sizerTop->Add(text, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
sizerTop->Add(-1, 10, 1, wxGROW);
sizerTop->Add(btn, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
sizerTop->Add(-1, 10, 1, wxGROW);
sizerTop->Add(statbarBottom, 0, wxGROW);
SetSizerAndFit(sizerTop);
}
// ----------------------------------------------------------------------------
// MyStatusBar
// ----------------------------------------------------------------------------
#ifdef __VISUALC__
// 'this' : used in base member initializer list -- so what??
#pragma warning(disable: 4355)
#endif
static const char *numlockIndicators[] = { "OFF", "NUM" };
static const char *capslockIndicators[] = { "", "CAPS" };
MyStatusBar::MyStatusBar(wxWindow *parent, long style)
: wxStatusBar(parent, wxID_ANY, style, "MyStatusBar")
#if wxUSE_TIMER
, m_timer(this)
#endif
#if wxUSE_CHECKBOX
, m_checkbox(NULL)
#endif
{
// compute the size needed for num lock indicator pane
wxClientDC dc(this);
wxSize sizeNumLock = dc.GetTextExtent(numlockIndicators[0]);
sizeNumLock.IncTo(dc.GetTextExtent(numlockIndicators[1]));
int widths[Field_Max];
widths[Field_Text] = -1; // growable
widths[Field_Checkbox] = 150;
widths[Field_Bitmap] = BITMAP_SIZE_X;
widths[Field_NumLockIndicator] = sizeNumLock.x;
widths[Field_Clock] = 100;
widths[Field_CapsLockIndicator] = dc.GetTextExtent(capslockIndicators[1]).x;
SetFieldsCount(Field_Max);
SetStatusWidths(Field_Max, widths);
#if wxUSE_CHECKBOX
m_checkbox = new wxCheckBox(this, StatusBar_Checkbox, "&Toggle clock");
m_checkbox->SetValue(true);
#endif
m_statbmp = new wxStaticBitmap(this, wxID_ANY, wxIcon(green_xpm));
#if wxUSE_TIMER
m_timer.Start(1000);
#endif
SetMinHeight(wxMax(m_statbmp->GetBestSize().GetHeight(),
m_checkbox->GetBestSize().GetHeight()));
UpdateClock();
}
#ifdef __VISUALC__
#pragma warning(default: 4355)
#endif
MyStatusBar::~MyStatusBar()
{
#if wxUSE_TIMER
if ( m_timer.IsRunning() )
{
m_timer.Stop();
}
#endif
}
void MyStatusBar::OnSize(wxSizeEvent& event)
{
#if wxUSE_CHECKBOX
if ( !m_checkbox )
return;
#endif
wxRect rect;
if (!GetFieldRect(Field_Checkbox, rect))
{
event.Skip();
return;
}
#if wxUSE_CHECKBOX
wxRect rectCheck = rect;
rectCheck.Deflate(2);
m_checkbox->SetSize(rectCheck);
#endif
GetFieldRect(Field_Bitmap, rect);
wxSize size = m_statbmp->GetSize();
m_statbmp->Move(rect.x + (rect.width - size.x) / 2,
rect.y + (rect.height - size.y) / 2);
event.Skip();
}
void MyStatusBar::OnToggleClock(wxCommandEvent& WXUNUSED(event))
{
DoToggle();
}
void MyStatusBar::OnIdle(wxIdleEvent& event)
{
SetStatusText(numlockIndicators[wxGetKeyState(WXK_NUMLOCK)],
Field_NumLockIndicator);
SetStatusText(capslockIndicators[wxGetKeyState(WXK_CAPITAL)],
Field_CapsLockIndicator);
event.Skip();
}
void MyStatusBar::DoToggle()
{
#if wxUSE_CHECKBOX
if ( m_checkbox->GetValue() )
{
#if wxUSE_TIMER
m_timer.Start(1000);
#endif
m_statbmp->SetIcon(wxIcon(green_xpm));
UpdateClock();
}
else // don't show clock
{
#if wxUSE_TIMER
m_timer.Stop();
#endif
m_statbmp->SetIcon(wxIcon(red_xpm));
SetStatusText(wxEmptyString, Field_Clock);
}
#endif // wxUSE_CHECKBOX
}
void MyStatusBar::UpdateClock()
{
SetStatusText(wxDateTime::Now().FormatTime(), Field_Clock);
}
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