552271d6ad
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36068 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
423 lines
12 KiB
C++
423 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Program: wxWidgets Widgets Sample
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// Name: button.cpp
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// Purpose: Part of the widgets sample showing wxButton
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// Author: Vadim Zeitlin
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// Created: 10.04.01
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// Id: $Id$
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// Copyright: (c) 2001 Vadim Zeitlin
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// License: wxWindows license
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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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// 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
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/log.h"
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#include "wx/bmpbuttn.h"
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#include "wx/button.h"
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#include "wx/checkbox.h"
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#include "wx/radiobox.h"
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#include "wx/statbox.h"
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#include "wx/textctrl.h"
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#endif
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#include "wx/artprov.h"
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#include "wx/sizer.h"
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#include "wx/dcmemory.h"
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#include "widgets.h"
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#include "icons/button.xpm"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// control ids
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enum
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{
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ButtonPage_Reset = 100,
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ButtonPage_ChangeLabel,
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ButtonPage_Button
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};
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// radio boxes
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enum
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{
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ButtonHAlign_Left,
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ButtonHAlign_Centre,
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ButtonHAlign_Right
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};
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enum
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{
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ButtonVAlign_Top,
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ButtonVAlign_Centre,
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ButtonVAlign_Bottom
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};
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// ----------------------------------------------------------------------------
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// ButtonWidgetsPage
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// ----------------------------------------------------------------------------
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class ButtonWidgetsPage : public WidgetsPage
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{
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public:
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ButtonWidgetsPage(wxBookCtrlBase *book, wxImageList *imaglist);
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virtual ~ButtonWidgetsPage(){};
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virtual wxControl *GetWidget() const { return m_button; }
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protected:
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// event handlers
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void OnCheckOrRadioBox(wxCommandEvent& event);
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void OnButton(wxCommandEvent& event);
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void OnButtonReset(wxCommandEvent& event);
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void OnButtonChangeLabel(wxCommandEvent& event);
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// reset the wxButton parameters
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void Reset();
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// (re)create the wxButton
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void CreateButton();
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// add m_button to m_sizerButton using current value of m_chkFit
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void AddButtonToSizer();
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// helper function: create a bitmap for wxBitmapButton
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wxBitmap CreateBitmap(const wxString& label);
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// the controls
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// ------------
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// the check/radio boxes for styles
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wxCheckBox *m_chkBitmap,
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*m_chkImage,
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*m_chkFit,
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*m_chkDefault;
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wxRadioBox *m_radioHAlign,
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*m_radioVAlign;
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// the button itself and the sizer it is in
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wxButton *m_button;
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wxSizer *m_sizerButton;
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// the text entries for command parameters
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wxTextCtrl *m_textLabel;
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private:
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DECLARE_EVENT_TABLE()
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DECLARE_WIDGETS_PAGE(ButtonWidgetsPage)
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};
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(ButtonWidgetsPage, WidgetsPage)
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EVT_BUTTON(ButtonPage_Button, ButtonWidgetsPage::OnButton)
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EVT_BUTTON(ButtonPage_Reset, ButtonWidgetsPage::OnButtonReset)
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EVT_BUTTON(ButtonPage_ChangeLabel, ButtonWidgetsPage::OnButtonChangeLabel)
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EVT_CHECKBOX(wxID_ANY, ButtonWidgetsPage::OnCheckOrRadioBox)
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EVT_RADIOBOX(wxID_ANY, ButtonWidgetsPage::OnCheckOrRadioBox)
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END_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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IMPLEMENT_WIDGETS_PAGE(ButtonWidgetsPage, _T("Button"));
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ButtonWidgetsPage::ButtonWidgetsPage(wxBookCtrlBase *book,
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wxImageList *imaglist)
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: WidgetsPage(book)
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{
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imaglist->Add(wxBitmap(button_xpm));
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// init everything
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m_chkBitmap =
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m_chkImage =
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m_chkFit =
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m_chkDefault = (wxCheckBox *)NULL;
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m_radioHAlign =
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m_radioVAlign = (wxRadioBox *)NULL;
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m_textLabel = (wxTextCtrl *)NULL;
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m_button = (wxButton *)NULL;
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m_sizerButton = (wxSizer *)NULL;
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wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
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// left pane
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wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
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wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
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m_chkBitmap = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Bitmap button"));
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m_chkImage = CreateCheckBoxAndAddToSizer(sizerLeft, _T("With &image"));
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m_chkFit = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Fit exactly"));
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m_chkDefault = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Default"));
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#ifndef __WXUNIVERSAL__
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// only wxUniv currently supports buttons with images
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m_chkImage->Disable();
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#endif // !wxUniv
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sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
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// should be in sync with enums Button[HV]Align!
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static const wxString halign[] =
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{
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_T("left"),
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_T("centre"),
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_T("right"),
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};
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static const wxString valign[] =
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{
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_T("top"),
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_T("centre"),
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_T("bottom"),
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};
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m_radioHAlign = new wxRadioBox(this, wxID_ANY, _T("&Horz alignment"),
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(halign), halign);
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m_radioVAlign = new wxRadioBox(this, wxID_ANY, _T("&Vert alignment"),
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(valign), valign);
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sizerLeft->Add(m_radioHAlign, 0, wxGROW | wxALL, 5);
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sizerLeft->Add(m_radioVAlign, 0, wxGROW | wxALL, 5);
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sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
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wxButton *btn = new wxButton(this, ButtonPage_Reset, _T("&Reset"));
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sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
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// middle pane
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wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, _T("&Operations"));
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wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
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wxSizer *sizerRow = CreateSizerWithTextAndButton(ButtonPage_ChangeLabel,
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_T("Change label"),
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wxID_ANY,
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&m_textLabel);
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m_textLabel->SetValue(_T("&Press me!"));
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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// right pane
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m_sizerButton = new wxBoxSizer(wxHORIZONTAL);
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m_sizerButton->SetMinSize(150, 0);
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// the 3 panes panes compose the window
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sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
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sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
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sizerTop->Add(m_sizerButton, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
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// final initializations
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Reset();
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m_button = new wxButton(this, ButtonPage_Button, _T("&Press me!"));
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AddButtonToSizer();
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SetSizer(sizerTop);
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sizerTop->Fit(this);
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}
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// ----------------------------------------------------------------------------
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// operations
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// ----------------------------------------------------------------------------
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void ButtonWidgetsPage::Reset()
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{
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m_chkBitmap->SetValue(false);
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m_chkFit->SetValue(true);
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m_chkImage->SetValue(false);
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m_chkDefault->SetValue(false);
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m_radioHAlign->SetSelection(ButtonHAlign_Centre);
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m_radioVAlign->SetSelection(ButtonVAlign_Centre);
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}
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void ButtonWidgetsPage::CreateButton()
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{
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wxString label;
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if ( m_button )
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{
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label = m_button->GetLabel();
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size_t count = m_sizerButton->GetChildren().GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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m_sizerButton->Remove( 0 );
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}
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delete m_button;
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}
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if ( label.empty() )
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{
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// creating for the first time or recreating a button after bitmap
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// button
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label = m_textLabel->GetValue();
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}
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int flags = 0;
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switch ( m_radioHAlign->GetSelection() )
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{
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case ButtonHAlign_Left:
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flags |= wxBU_LEFT;
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break;
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default:
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wxFAIL_MSG(_T("unexpected radiobox selection"));
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// fall through
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case ButtonHAlign_Centre:
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break;
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case ButtonHAlign_Right:
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flags |= wxBU_RIGHT;
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break;
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}
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switch ( m_radioVAlign->GetSelection() )
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{
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case ButtonVAlign_Top:
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flags |= wxBU_TOP;
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break;
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default:
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wxFAIL_MSG(_T("unexpected radiobox selection"));
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// fall through
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case ButtonVAlign_Centre:
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flags |= wxALIGN_CENTRE_VERTICAL;
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break;
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case ButtonVAlign_Bottom:
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flags |= wxBU_BOTTOM;
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break;
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}
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if ( m_chkBitmap->GetValue() )
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{
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wxBitmapButton *bbtn = new wxBitmapButton(this, ButtonPage_Button,
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CreateBitmap(_T("normal")));
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bbtn->SetBitmapSelected(CreateBitmap(_T("pushed")));
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bbtn->SetBitmapFocus(CreateBitmap(_T("focused")));
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bbtn->SetBitmapDisabled(CreateBitmap(_T("disabled")));
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m_button = bbtn;
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}
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else // normal button
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{
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m_button = new wxButton(this, ButtonPage_Button, label,
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wxDefaultPosition, wxDefaultSize,
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flags);
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}
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#ifdef __WXUNIVERSAL__
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if ( m_chkImage->GetValue() )
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{
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m_button->SetImageLabel(wxArtProvider::GetIcon(wxART_INFORMATION));
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}
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#endif // wxUniv
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if ( m_chkDefault->GetValue() )
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{
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m_button->SetDefault();
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}
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AddButtonToSizer();
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m_sizerButton->Layout();
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}
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void ButtonWidgetsPage::AddButtonToSizer()
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{
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if ( m_chkFit->GetValue() )
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{
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m_sizerButton->AddStretchSpacer(1);
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m_sizerButton->Add(m_button, wxSizerFlags(0).Centre().Border());
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m_sizerButton->AddStretchSpacer(1);
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}
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else // take up the entire space
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{
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m_sizerButton->Add(m_button, wxSizerFlags(1).Expand().Border());
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}
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}
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// ----------------------------------------------------------------------------
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// event handlers
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// ----------------------------------------------------------------------------
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void ButtonWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
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{
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Reset();
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CreateButton();
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}
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void ButtonWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
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{
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CreateButton();
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}
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void ButtonWidgetsPage::OnButtonChangeLabel(wxCommandEvent& WXUNUSED(event))
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{
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m_button->SetLabel(m_textLabel->GetValue());
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}
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void ButtonWidgetsPage::OnButton(wxCommandEvent& WXUNUSED(event))
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{
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wxLogMessage(_T("Test button clicked."));
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}
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// ----------------------------------------------------------------------------
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// bitmap button stuff
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// ----------------------------------------------------------------------------
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wxBitmap ButtonWidgetsPage::CreateBitmap(const wxString& label)
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{
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wxBitmap bmp(180, 70); // shouldn't hardcode but it's simpler like this
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wxMemoryDC dc;
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dc.SelectObject(bmp);
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dc.SetBackground(wxBrush(*wxWHITE));
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dc.Clear();
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dc.SetTextForeground(*wxBLUE);
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dc.DrawLabel(wxStripMenuCodes(m_textLabel->GetLabel()) + _T("\n")
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_T("(") + label + _T(" state)"),
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wxArtProvider::GetBitmap(wxART_INFORMATION),
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wxRect(10, 10, bmp.GetWidth() - 20, bmp.GetHeight() - 20),
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wxALIGN_CENTRE);
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return bmp;
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}
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