a8b4753d1d
This ensures that the expected events are given even after the widget is recreated due to a change of some controls on its page (and not because it's recreated by one of the menu commands in the parent frame). We also don't need to connect to these events from WidgetsFrame any longer (and, in fact, doing it would be wrong as we'd connect twice), which simplifies its code.
335 lines
13 KiB
C++
335 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Program: wxWidgets Widgets Sample
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// Name: headerctrl.cpp
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// Purpose: Part of the widgets sample showing wxHeaderCtrl
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// Author: Vadim Zeitlin
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// Created: 2016-04-17
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// Copyright: (c) 2016 wxWindows team
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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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// for compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#if wxUSE_HEADERCTRL
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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/button.h"
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#include "wx/checkbox.h"
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#include "wx/log.h"
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#include "wx/radiobox.h"
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#include "wx/sizer.h"
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#include "wx/statbox.h"
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#include "wx/stattext.h"
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#endif
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#include "wx/headerctrl.h"
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#include "wx/artprov.h"
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#include "widgets.h"
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#include "icons/header.xpm"
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// ----------------------------------------------------------------------------
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// HeaderCtrlWidgetsPage
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// ----------------------------------------------------------------------------
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#define NUMBER_OF_COLUMNS 4
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class HeaderCtrlWidgetsPage : public WidgetsPage
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{
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public:
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HeaderCtrlWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist)
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: WidgetsPage(book, imaglist, header_xpm)
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{
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m_header = nullptr;
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m_sizerHeader = nullptr;
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}
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virtual wxWindow *GetWidget() const override { return m_header; }
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virtual void RecreateWidget() override;
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// lazy creation of the content
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virtual void CreateContent() override;
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protected:
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// event handlers
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void OnStyleCheckOrRadioBox(wxCommandEvent& evt);
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void OnResetButton(wxCommandEvent& evt);
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void OnUpdateUIResetButton(wxUpdateUIEvent& evt);
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void OnResizing(wxHeaderCtrlEvent& evt);
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void OnBeginResize(wxHeaderCtrlEvent& evt);
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void OnEndResize(wxHeaderCtrlEvent& evt);
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// reset the header style
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void ResetHeaderStyle();
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// compose header style flags based on selections
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long GetHeaderStyleFlags() const;
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// reset column style
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void ResetColumnStyle(int col);
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// compose column style flags based on selections
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int GetColumnStyleFlags(int col) const;
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// get column alignment flags based on selection
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wxAlignment GetColumnAlignmentFlag(int col) const;
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// the control itself and the sizer it is in
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wxHeaderCtrlSimple *m_header;
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wxStaticBoxSizer *m_sizerHeader;
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// the check boxes for header styles
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wxCheckBox *m_chkAllowReorder;
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wxCheckBox *m_chkAllowHide;
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wxCheckBox *m_chkBitmapOnRight;
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// The check boxes for column styles
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struct
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{
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wxCheckBox *chkAllowResize;
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wxCheckBox *chkAllowReorder;
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wxCheckBox *chkAllowSort;
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wxCheckBox *chkAllowHide;
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wxCheckBox *chkWithBitmap;
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wxRadioBox *rbAlignments;
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} m_colSettings[NUMBER_OF_COLUMNS];
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private:
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DECLARE_WIDGETS_PAGE(HeaderCtrlWidgetsPage)
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};
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// ============================================================================
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// implementation
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// ============================================================================
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#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
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#define HEADER_CTRL_FAMILY NATIVE_CTRLS
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#else
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#define HEADER_CTRL_FAMILY GENERIC_CTRLS
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#endif
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IMPLEMENT_WIDGETS_PAGE(HeaderCtrlWidgetsPage, "Header", HEADER_CTRL_FAMILY);
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static const wxString gs_colAlignments[] = { "none", "left", "centre", "right" };
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static const wxAlignment gs_colAlignFlags[] = { wxALIGN_NOT, wxALIGN_LEFT, wxALIGN_CENTRE, wxALIGN_RIGHT };
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#define COL_WITH_BITMAP_DEFAULT false
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#define COL_ALIGNMENT_FLAG_DEFAULT wxALIGN_NOT
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#define COL_ALIGNMENT_INDEX_DEFAULT 0
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void HeaderCtrlWidgetsPage::CreateContent()
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{
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// top pane
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wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
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// header style
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wxStaticBoxSizer *styleSizer = new wxStaticBoxSizer(wxVERTICAL, this, "&Header style");
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wxStaticBox* const styleSizerBox = styleSizer->GetStaticBox();
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m_chkAllowReorder = CreateCheckBoxAndAddToSizer(styleSizer, "Allow &reorder", wxID_ANY, styleSizerBox);
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m_chkAllowHide = CreateCheckBoxAndAddToSizer(styleSizer, "Alow &hide", wxID_ANY, styleSizerBox);
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m_chkBitmapOnRight = CreateCheckBoxAndAddToSizer(styleSizer, "&Bitmap on right", wxID_ANY, styleSizerBox);
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ResetHeaderStyle();
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styleSizer->AddStretchSpacer();
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wxButton* btnReset = new wxButton(styleSizerBox, wxID_ANY, "&Reset");
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styleSizer->Add(btnReset, wxSizerFlags().CenterHorizontal().Border());
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sizerTop->Add(styleSizer, wxSizerFlags().Expand());
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// column flags
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for ( int i = 0; i < (int)WXSIZEOF(m_colSettings); i++ )
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{
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wxStaticBoxSizer* sizerCol = new wxStaticBoxSizer(wxVERTICAL, this, wxString::Format("Column %i style", i+1));
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wxStaticBox* const sizerColBox = sizerCol->GetStaticBox();
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m_colSettings[i].chkAllowResize = CreateCheckBoxAndAddToSizer(sizerCol, "Allow resize", wxID_ANY, sizerColBox);
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m_colSettings[i].chkAllowReorder = CreateCheckBoxAndAddToSizer(sizerCol, "Allow reorder", wxID_ANY, sizerColBox);
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m_colSettings[i].chkAllowSort = CreateCheckBoxAndAddToSizer(sizerCol, "Allow sort", wxID_ANY, sizerColBox);
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m_colSettings[i].chkAllowHide = CreateCheckBoxAndAddToSizer(sizerCol, "Hidden", wxID_ANY, sizerColBox);
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m_colSettings[i].chkWithBitmap = CreateCheckBoxAndAddToSizer(sizerCol, "With bitmap", wxID_ANY, sizerColBox);
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m_colSettings[i].rbAlignments = new wxRadioBox(sizerColBox, wxID_ANY, "Alignment",
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wxDefaultPosition, wxDefaultSize, WXSIZEOF(gs_colAlignments), gs_colAlignments,
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2, wxRA_SPECIFY_COLS);
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sizerCol->Add(m_colSettings[i].rbAlignments, wxSizerFlags().Expand().Border());
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ResetColumnStyle(i);
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sizerTop->AddSpacer(15);
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sizerTop->Add(sizerCol, wxSizerFlags().Expand());
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}
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// bottom pane
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m_sizerHeader = new wxStaticBoxSizer(wxVERTICAL, this, "Header");
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RecreateWidget();
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// the 2 panes compose the window
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wxSizer* sizerAll = new wxBoxSizer(wxVERTICAL);
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sizerAll->Add(sizerTop, wxSizerFlags().Expand().Border());
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sizerAll->Add(m_sizerHeader, wxSizerFlags(1).Expand().Border());
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SetSizer(sizerAll);
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// Bind event handlers
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m_chkAllowReorder->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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m_chkAllowHide->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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m_chkBitmapOnRight->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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for ( int i = 0; i < (int)WXSIZEOF(m_colSettings); i++ )
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{
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m_colSettings[i].chkAllowResize->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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m_colSettings[i].chkAllowReorder->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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m_colSettings[i].chkAllowSort->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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m_colSettings[i].chkAllowHide->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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m_colSettings[i].chkWithBitmap->Bind(wxEVT_CHECKBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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m_colSettings[i].rbAlignments->Bind(wxEVT_RADIOBOX, &HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox, this);
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}
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btnReset->Bind(wxEVT_BUTTON, &HeaderCtrlWidgetsPage::OnResetButton, this);
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btnReset->Bind(wxEVT_UPDATE_UI, &HeaderCtrlWidgetsPage::OnUpdateUIResetButton, this);
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}
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void HeaderCtrlWidgetsPage::RecreateWidget()
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{
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m_sizerHeader->Clear(true /* delete windows */);
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long flags = GetAttrs().m_defaultFlags | GetHeaderStyleFlags();
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m_header = new wxHeaderCtrlSimple(m_sizerHeader->GetStaticBox(), wxID_ANY,
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wxDefaultPosition, wxDefaultSize,
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flags);
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NotifyWidgetRecreation(m_header);
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m_header->Bind(wxEVT_HEADER_RESIZING, &HeaderCtrlWidgetsPage::OnResizing, this);
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m_header->Bind(wxEVT_HEADER_BEGIN_RESIZE, &HeaderCtrlWidgetsPage::OnBeginResize, this);
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m_header->Bind(wxEVT_HEADER_END_RESIZE, &HeaderCtrlWidgetsPage::OnEndResize, this);
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for ( int i = 0; i < (int)WXSIZEOF(m_colSettings); i++ )
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{
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wxHeaderColumnSimple col(wxString::Format("Column %d", i + 1),
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FromDIP(100),
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GetColumnAlignmentFlag(i),
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GetColumnStyleFlags(i));
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if ( m_colSettings[i].chkWithBitmap->IsChecked() )
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{
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const wxArtID icons[] = { wxART_ERROR, wxART_QUESTION, wxART_WARNING, wxART_INFORMATION };
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col.SetBitmap(wxArtProvider::GetBitmapBundle(icons[i % WXSIZEOF(icons)], wxART_BUTTON));
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}
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m_header->AppendColumn(col);
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}
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m_sizerHeader->AddStretchSpacer();
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m_sizerHeader->Add(m_header, wxSizerFlags().Expand());
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m_sizerHeader->AddStretchSpacer();
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m_sizerHeader->Layout();
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}
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void HeaderCtrlWidgetsPage::ResetHeaderStyle()
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{
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m_chkAllowReorder->SetValue((wxHD_DEFAULT_STYLE & wxHD_ALLOW_REORDER) != 0);
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m_chkAllowHide->SetValue((wxHD_DEFAULT_STYLE & wxHD_ALLOW_HIDE) != 0);
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m_chkBitmapOnRight->SetValue((wxHD_DEFAULT_STYLE & wxHD_BITMAP_ON_RIGHT) != 0);
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}
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long HeaderCtrlWidgetsPage::GetHeaderStyleFlags() const
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{
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long flags = 0;
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if ( m_chkAllowReorder->IsChecked() )
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flags |= wxHD_ALLOW_REORDER;
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if ( m_chkAllowHide->IsChecked() )
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flags |= wxHD_ALLOW_HIDE;
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if ( m_chkBitmapOnRight->IsChecked() )
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flags |= wxHD_BITMAP_ON_RIGHT;
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return flags;
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}
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void HeaderCtrlWidgetsPage::ResetColumnStyle(int col)
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{
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wxASSERT(col < (int)WXSIZEOF(m_colSettings));
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m_colSettings[col].chkAllowResize->SetValue((wxCOL_DEFAULT_FLAGS & wxCOL_RESIZABLE) != 0);
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m_colSettings[col].chkAllowReorder->SetValue((wxCOL_DEFAULT_FLAGS & wxCOL_REORDERABLE) != 0);
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m_colSettings[col].chkAllowSort->SetValue((wxCOL_DEFAULT_FLAGS & wxCOL_SORTABLE) != 0);
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m_colSettings[col].chkAllowHide->SetValue((wxCOL_DEFAULT_FLAGS & wxCOL_HIDDEN) != 0);
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m_colSettings[col].chkWithBitmap->SetValue(COL_WITH_BITMAP_DEFAULT);
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m_colSettings[col].rbAlignments->SetSelection(COL_ALIGNMENT_INDEX_DEFAULT);
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}
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int HeaderCtrlWidgetsPage::GetColumnStyleFlags(int col) const
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{
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wxASSERT(col < (int)WXSIZEOF(m_colSettings));
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int flags = 0;
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if ( m_colSettings[col].chkAllowResize->IsChecked() )
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flags |= wxCOL_RESIZABLE;
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if ( m_colSettings[col].chkAllowReorder->IsChecked() )
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flags |= wxCOL_REORDERABLE;
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if ( m_colSettings[col].chkAllowSort->IsChecked() )
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flags |= wxCOL_SORTABLE;
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if ( m_colSettings[col].chkAllowHide->IsChecked() )
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flags |= wxCOL_HIDDEN;
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return flags;
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}
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wxAlignment HeaderCtrlWidgetsPage::GetColumnAlignmentFlag(int col) const
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{
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wxASSERT(col < (int)WXSIZEOF(m_colSettings));
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wxASSERT(WXSIZEOF(gs_colAlignments) == WXSIZEOF(gs_colAlignFlags));
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int sel = m_colSettings[col].rbAlignments->GetSelection();
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return sel == wxNOT_FOUND ? COL_ALIGNMENT_FLAG_DEFAULT : gs_colAlignFlags[sel];
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}
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// ----------------------------------------------------------------------------
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// event handlers
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// ----------------------------------------------------------------------------
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void HeaderCtrlWidgetsPage::OnStyleCheckOrRadioBox(wxCommandEvent& WXUNUSED(evt))
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{
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RecreateWidget();
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}
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void HeaderCtrlWidgetsPage::OnResetButton(wxCommandEvent& WXUNUSED(evt))
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{
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ResetHeaderStyle();
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for ( int i = 0; i < (int)WXSIZEOF(m_colSettings); i++ )
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{
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ResetColumnStyle(i);
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}
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RecreateWidget();
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}
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void HeaderCtrlWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& evt)
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{
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bool enable = GetHeaderStyleFlags() != wxHD_DEFAULT_STYLE;
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for ( int i = 0; !enable && i < (int)WXSIZEOF(m_colSettings); i++ )
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{
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enable = enable || GetColumnStyleFlags(i) != wxCOL_DEFAULT_FLAGS
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|| m_colSettings[i].chkWithBitmap->IsChecked() != COL_WITH_BITMAP_DEFAULT
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|| m_colSettings[i].rbAlignments->GetSelection() != COL_ALIGNMENT_INDEX_DEFAULT;
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}
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evt.Enable(enable);
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}
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void HeaderCtrlWidgetsPage::OnResizing(wxHeaderCtrlEvent& evt)
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{
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wxLogMessage("Column %i resizing, width = %i", evt.GetColumn() + 1, evt.GetWidth());
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evt.Skip();
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}
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void HeaderCtrlWidgetsPage::OnBeginResize(wxHeaderCtrlEvent& evt)
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{
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wxLogMessage("Column %i resize began, width = %i", evt.GetColumn() + 1, evt.GetWidth());
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evt.Skip();
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}
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void HeaderCtrlWidgetsPage::OnEndResize(wxHeaderCtrlEvent& evt)
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{
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wxLogMessage("Column %i resize ended, width = %i", evt.GetColumn() + 1, evt.GetWidth());
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evt.Skip();
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}
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#endif // wxUSE_HEADERCTRL
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