initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/samples/widgets/filepicker.cpp

@@ -0,0 +1,344 @@
+/////////////////////////////////////////////////////////////////////////////
+// Program:     wxWidgets Widgets Sample
+// Name:        filepicker.cpp
+// Purpose:     Part of the widgets sample showing wx*PickerCtrl
+// Author:      Francesco Montorsi
+// Created:     20/6/2006
+// Copyright:   (c) 2006 Francesco Montorsi
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+
+#if wxUSE_FILEPICKERCTRL
+
+// for all others, include the necessary headers
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/button.h"
+    #include "wx/log.h"
+    #include "wx/radiobox.h"
+    #include "wx/statbox.h"
+    #include "wx/textctrl.h"
+#endif
+
+#include "wx/artprov.h"
+#include "wx/sizer.h"
+#include "wx/stattext.h"
+#include "wx/checkbox.h"
+#include "wx/imaglist.h"
+
+#include "wx/filepicker.h"
+#include "widgets.h"
+
+#include "icons/filepicker.xpm"
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+enum
+{
+    FilePickerMode_Open = 0,
+    FilePickerMode_Save
+};
+
+// control ids
+enum
+{
+    PickerPage_Reset = wxID_HIGHEST,
+    PickerPage_File,
+    PickerPage_SetDir,
+    PickerPage_CurrentPath
+};
+
+
+// ----------------------------------------------------------------------------
+// FilePickerWidgetsPage
+// ----------------------------------------------------------------------------
+
+class FilePickerWidgetsPage : public WidgetsPage
+{
+public:
+    FilePickerWidgetsPage(WidgetsBookCtrl *book, wxVector<wxBitmapBundle>& imaglist);
+
+    virtual wxWindow *GetWidget() const override { return m_filePicker; }
+    virtual void RecreateWidget() override { RecreatePicker(); }
+
+    // lazy creation of the content
+    virtual void CreateContent() override;
+
+protected:
+
+    // called only once at first construction
+    void CreatePicker();
+
+    // called to recreate an existing control
+    void RecreatePicker();
+
+    // restore the checkboxes state to the initial values
+    void Reset();
+
+    // update filepicker radiobox
+    void UpdateFilePickerMode();
+
+    // the pickers and the relative event handlers
+    void OnFileChange(wxFileDirPickerEvent &ev);
+    void OnCheckBox(wxCommandEvent &ev);
+    void OnButtonReset(wxCommandEvent &ev);
+    void OnButtonSetDir(wxCommandEvent &ev);
+    void OnUpdatePath(wxUpdateUIEvent &ev);
+
+
+    // the picker
+    wxFilePickerCtrl *m_filePicker;
+
+
+    // other controls
+    // --------------
+
+    wxCheckBox *m_chkFileTextCtrl,
+               *m_chkFileOverwritePrompt,
+               *m_chkFileMustExist,
+               *m_chkFileChangeDir,
+               *m_chkSmall;
+    wxRadioBox *m_radioFilePickerMode;
+    wxStaticText *m_labelPath;
+    wxTextCtrl *m_textInitialDir;
+
+    wxBoxSizer *m_sizer;
+
+private:
+    wxDECLARE_EVENT_TABLE();
+    DECLARE_WIDGETS_PAGE(FilePickerWidgetsPage)
+};
+
+// ----------------------------------------------------------------------------
+// event tables
+// ----------------------------------------------------------------------------
+
+wxBEGIN_EVENT_TABLE(FilePickerWidgetsPage, WidgetsPage)
+    EVT_BUTTON(PickerPage_Reset, FilePickerWidgetsPage::OnButtonReset)
+    EVT_BUTTON(PickerPage_SetDir, FilePickerWidgetsPage::OnButtonSetDir)
+
+    EVT_FILEPICKER_CHANGED(PickerPage_File, FilePickerWidgetsPage::OnFileChange)
+
+    EVT_CHECKBOX(wxID_ANY, FilePickerWidgetsPage::OnCheckBox)
+    EVT_RADIOBOX(wxID_ANY, FilePickerWidgetsPage::OnCheckBox)
+
+    EVT_UPDATE_UI(PickerPage_CurrentPath, FilePickerWidgetsPage::OnUpdatePath)
+wxEND_EVENT_TABLE()
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+#if defined(__WXGTK__)
+    #define FAMILY_CTRLS NATIVE_CTRLS
+#else
+    #define FAMILY_CTRLS GENERIC_CTRLS
+#endif
+
+IMPLEMENT_WIDGETS_PAGE(FilePickerWidgetsPage, "FilePicker",
+                       PICKER_CTRLS | FAMILY_CTRLS);
+
+FilePickerWidgetsPage::FilePickerWidgetsPage(WidgetsBookCtrl *book,
+                                     wxVector<wxBitmapBundle>& imaglist)
+                  : WidgetsPage(book, imaglist, filepicker_xpm)
+{
+}
+
+void FilePickerWidgetsPage::CreateContent()
+{
+    // left pane
+    wxSizer *leftSizer = new wxBoxSizer(wxVERTICAL);
+
+    static const wxString mode[] = { "open", "save" };
+    m_radioFilePickerMode = new wxRadioBox(this, wxID_ANY, "wxFilePicker mode",
+                                           wxDefaultPosition, wxDefaultSize,
+                                           WXSIZEOF(mode), mode);
+    leftSizer->Add(m_radioFilePickerMode, 0, wxALL|wxGROW, 5);
+
+    wxStaticBoxSizer *styleSizer = new wxStaticBoxSizer(wxVERTICAL, this, "&FilePicker style");
+    wxStaticBox* const styleSizerBox = styleSizer->GetStaticBox();
+
+    m_chkFileTextCtrl = CreateCheckBoxAndAddToSizer(styleSizer, "With textctrl", wxID_ANY, styleSizerBox);
+    m_chkFileOverwritePrompt = CreateCheckBoxAndAddToSizer(styleSizer, "Overwrite prompt", wxID_ANY, styleSizerBox);
+    m_chkFileMustExist = CreateCheckBoxAndAddToSizer(styleSizer, "File must exist", wxID_ANY, styleSizerBox);
+    m_chkFileChangeDir = CreateCheckBoxAndAddToSizer(styleSizer, "Change working dir", wxID_ANY, styleSizerBox);
+    m_chkSmall = CreateCheckBoxAndAddToSizer(styleSizer, "&Small version", wxID_ANY, styleSizerBox);
+
+    leftSizer->Add(styleSizer, 0, wxALL|wxGROW, 5);
+
+    leftSizer->Add(CreateSizerWithTextAndButton
+                 (
+                    PickerPage_SetDir,
+                    "&Initial directory",
+                    wxID_ANY,
+                    &m_textInitialDir
+                 ), wxSizerFlags().Expand().Border());
+
+    leftSizer->AddSpacer(10);
+
+    leftSizer->Add(new wxButton(this, PickerPage_Reset, "&Reset"),
+                 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
+
+    Reset();    // set checkboxes state
+
+    // create the picker and the static text displaying its current value
+    m_labelPath = new wxStaticText(this, PickerPage_CurrentPath, "");
+
+    m_filePicker = nullptr;
+    CreatePicker();
+
+    // right pane
+    m_sizer = new wxBoxSizer(wxVERTICAL);
+    m_sizer->AddStretchSpacer();
+    m_sizer->Add(m_filePicker, wxSizerFlags().Expand().Border());
+    m_sizer->AddStretchSpacer();
+    m_sizer->Add(m_labelPath, wxSizerFlags().Expand().Border());
+    m_sizer->AddStretchSpacer();
+
+    // global pane
+    wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
+    sz->Add(leftSizer, 0, wxGROW|wxALL, 5);
+    sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
+
+    SetSizer(sz);
+}
+
+void FilePickerWidgetsPage::CreatePicker()
+{
+    delete m_filePicker;
+
+    long style = GetAttrs().m_defaultFlags;
+
+    if ( m_chkFileTextCtrl->GetValue() )
+        style |= wxFLP_USE_TEXTCTRL;
+
+    if ( m_chkFileOverwritePrompt->GetValue() )
+        style |= wxFLP_OVERWRITE_PROMPT;
+
+    if ( m_chkFileMustExist->GetValue() )
+        style |= wxFLP_FILE_MUST_EXIST;
+
+    if ( m_chkFileChangeDir->GetValue() )
+        style |= wxFLP_CHANGE_DIR;
+
+    if ( m_chkSmall->GetValue() )
+        style |= wxFLP_SMALL;
+
+    if (m_radioFilePickerMode->GetSelection() == FilePickerMode_Open)
+        style |= wxFLP_OPEN;
+    else
+        style |= wxFLP_SAVE;
+
+    // pass an empty string as initial file
+    m_filePicker = new wxFilePickerCtrl(this, PickerPage_File,
+                                        wxEmptyString,
+                                        "Hello!", "*",
+                                        wxDefaultPosition, wxDefaultSize,
+                                        style);
+
+    NotifyWidgetRecreation(m_filePicker);
+}
+
+void FilePickerWidgetsPage::RecreatePicker()
+{
+    m_sizer->Remove(1);
+    CreatePicker();
+    m_sizer->Insert(1, m_filePicker, 0, wxEXPAND|wxALL, 5);
+
+    m_sizer->Layout();
+}
+
+void FilePickerWidgetsPage::Reset()
+{
+    m_radioFilePickerMode->SetSelection((wxFLP_DEFAULT_STYLE & wxFLP_OPEN) ?
+                                            FilePickerMode_Open : FilePickerMode_Save);
+    m_chkFileTextCtrl->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_USE_TEXTCTRL) != 0);
+    m_chkFileOverwritePrompt->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_OVERWRITE_PROMPT) != 0);
+    m_chkFileMustExist->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_FILE_MUST_EXIST) != 0);
+    m_chkFileChangeDir->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_CHANGE_DIR) != 0);
+    m_chkSmall->SetValue((wxFLP_DEFAULT_STYLE & wxFLP_SMALL) != 0);
+
+    UpdateFilePickerMode();
+}
+
+void FilePickerWidgetsPage::UpdateFilePickerMode()
+{
+    switch (m_radioFilePickerMode->GetSelection())
+    {
+    case FilePickerMode_Open:
+        m_chkFileOverwritePrompt->SetValue(false);
+        m_chkFileOverwritePrompt->Disable();
+        m_chkFileMustExist->Enable();
+        break;
+    case FilePickerMode_Save:
+        m_chkFileMustExist->SetValue(false);
+        m_chkFileMustExist->Disable();
+        m_chkFileOverwritePrompt->Enable();
+        break;
+    }
+}
+
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+void FilePickerWidgetsPage::OnButtonSetDir(wxCommandEvent& WXUNUSED(event))
+{
+    const wxString& dir = m_textInitialDir->GetValue();
+    m_filePicker->SetInitialDirectory(dir);
+    wxLogMessage("Initial directory set to \"%s\"", dir);
+}
+
+void FilePickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
+{
+    Reset();
+
+    RecreatePicker();
+}
+
+void FilePickerWidgetsPage::OnFileChange(wxFileDirPickerEvent& event)
+{
+    wxLogMessage("The file changed to '%s' (the control has '%s')."
+                 "The current working directory is '%s'",
+                 event.GetPath(),
+                 m_filePicker->GetFileName().GetFullPath(),
+                 wxGetCwd());
+}
+
+void FilePickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
+{
+    if (event.GetEventObject() == m_chkFileTextCtrl ||
+        event.GetEventObject() == m_chkFileOverwritePrompt ||
+        event.GetEventObject() == m_chkFileMustExist ||
+        event.GetEventObject() == m_chkFileChangeDir ||
+        event.GetEventObject() == m_chkSmall)
+        RecreatePicker();
+
+    if (event.GetEventObject() == m_radioFilePickerMode)
+    {
+        UpdateFilePickerMode();
+        RecreatePicker();
+    }
+}
+
+void FilePickerWidgetsPage::OnUpdatePath(wxUpdateUIEvent& ev)
+{
+    ev.SetText( "Current path: " + m_filePicker->GetPath() );
+}
+
+#endif  // wxUSE_FILEPICKERCTRL