wxSizer patches by Alexander Smishlajev <als@turnhere.com>
Adds some wxALIGN_* flags to increase ability to position item
within its allotted space.
Adds wxSHAPED flag that enforces proportional resizing on growable
items.
Adds a sample and updated documentation.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4461 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
249
samples/propsize/propsize.cpp
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249
samples/propsize/propsize.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: propsize.cpp
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// Purpose: Minimal wxWindows sample
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma implementation "propsize.cpp"
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#pragma interface "propsize.cpp"
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#endif
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWindows headers
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/statline.h"
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// ----------------------------------------------------------------------------
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// ressources
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// ----------------------------------------------------------------------------
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// the application icon
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#if defined(__WXGTK__) || defined(__WXMOTIF__)
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#include "mondrian.xpm"
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#endif
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor(s)
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MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
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// event handlers (these functions should _not_ be virtual)
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void OnQuit(wxCommandEvent& event);
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void OnAbout(wxCommandEvent& event);
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private:
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// IDs for the controls and the menu commands
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enum
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{
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// menu items
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Minimal_Quit = 1,
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Minimal_About
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWindows
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWindows events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
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EVT_MENU(Minimal_About, MyFrame::OnAbout)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWindows to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also declares the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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IMPLEMENT_APP(MyApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// `Main program' equivalent: the program execution "starts" here
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bool MyApp::OnInit()
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{
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// Create the main application window
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MyFrame *frame = new MyFrame("Proportional resize",
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wxPoint(50, 50), wxSize(450, 340));
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// Show it and tell the application that it's our main window
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// @@@ what does it do exactly, in fact? is it necessary here?
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frame->Show(TRUE);
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SetTopWindow(frame);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned FALSE here, the
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// application would exit immediately.
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
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: wxFrame((wxFrame *)NULL, -1, title, pos, size)
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{
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// set the frame icon
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SetIcon(wxICON(mondrian));
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// create a menu bar
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wxMenu *menuFile = new wxMenu("", wxMENU_TEAROFF);
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menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog");
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar();
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menuBar->Append(menuFile, "&File");
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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#if wxUSE_STATUSBAR
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// create a status bar just for fun (by default with 1 pane only)
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CreateStatusBar(1);
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SetStatusText("Resize the frame to see how controls react");
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#endif // wxUSE_STATUSBAR
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#define AddLine(orient) \
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Add( new wxStaticLine( this, -1, wxDefaultPosition, wxSize(2,2), orient), \
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0, wxEXPAND)
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#define AddButton(label,align) Add( \
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new wxButton( this, -1, label, wxDefaultPosition, wxSize(100,50)), \
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1, wxSHAPED | align)
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wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
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// top row -- top-aligned
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wxBoxSizer *hsizer1 = new wxBoxSizer( wxHORIZONTAL );
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hsizer1->AddButton( "one", wxALIGN_LEFT | wxALIGN_TOP);
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hsizer1->AddLine(wxVERTICAL);
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hsizer1->AddButton( "two", wxALIGN_CENTER_HORIZONTAL | wxALIGN_TOP);
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hsizer1->AddLine(wxVERTICAL);
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hsizer1->AddButton( "three", wxALIGN_RIGHT | wxALIGN_TOP);
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topsizer->Add(hsizer1, 1, wxEXPAND);
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topsizer->AddLine(wxHORIZONTAL);
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wxBoxSizer *hsizer2 = new wxBoxSizer( wxHORIZONTAL );
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hsizer2->AddButton( "four", wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL);
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hsizer2->AddLine(wxVERTICAL);
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// sizer that preserves it's shape
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wxBoxSizer *vsizer = new wxBoxSizer( wxVERTICAL );
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vsizer->Add(
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new wxButton( this, -1, "up", wxDefaultPosition, wxSize(100,25)), \
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1, wxEXPAND);
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vsizer->Add(
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new wxButton( this, -1, "down", wxDefaultPosition, wxSize(100,25)), \
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1, wxEXPAND);
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hsizer2->Add(vsizer, 1, wxSHAPED | wxALIGN_CENTER);
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hsizer2->AddLine(wxVERTICAL);
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hsizer2->AddButton( "six", wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
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topsizer->Add(hsizer2, 1, wxEXPAND);
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topsizer->AddLine(wxHORIZONTAL);
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wxBoxSizer *hsizer3 = new wxBoxSizer( wxHORIZONTAL );
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hsizer3->AddButton( "seven", wxALIGN_LEFT | wxALIGN_BOTTOM);
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hsizer3->AddLine(wxVERTICAL);
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hsizer3->AddButton( "eight", wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
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hsizer3->AddLine(wxVERTICAL);
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// wxEXPAND should have no effect
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hsizer3->AddButton( "nine", wxEXPAND | wxALIGN_RIGHT | wxALIGN_BOTTOM);
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topsizer->Add(hsizer3, 1, wxEXPAND);
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// set frame to minimum size
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topsizer->Fit( this );
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// don't allow frame to get smaller than what the sizers tell ye
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// topsizer->SetSizeHints( this );
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SetSizer( topsizer );
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SetAutoLayout( TRUE );
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}
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// event handlers
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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// TRUE is to force the frame to close
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Close(TRUE);
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}
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void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
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{
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wxString msg;
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msg.Printf( _T("This is the about dialog of proportional sizer test.\n")
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_T("Welcome to %s")
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#ifdef wxBETA_NUMBER
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_T(" (beta %d)!")
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#endif // wxBETA_NUMBER
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, wxVERSION_STRING
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#ifdef wxBETA_NUMBER
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, wxBETA_NUMBER
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#endif // wxBETA_NUMBER
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);
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wxMessageBox(msg, "About Shaped Sizer", wxOK | wxICON_INFORMATION, this);
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}
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