X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e3e65dac0c4e7ad19e3c270caa1e0eea138e5d8d..b1683d38998df9b7a03486ec11bfc46833de91c5:/samples/dnd/dnd.cpp diff --git a/samples/dnd/dnd.cpp b/samples/dnd/dnd.cpp index 9c61559838..046f943199 100644 --- a/samples/dnd/dnd.cpp +++ b/samples/dnd/dnd.cpp @@ -4,9 +4,9 @@ // Author: Vadim Zeitlin // Modified by: // Created: 04/01/98 -// RCS-ID: +// RCS-ID: $Id$ // Copyright: -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #include "wx/wxprec.h" @@ -19,45 +19,61 @@ #include "wx/wx.h" #endif -#include "wx/intl.h" -#include "wx/log.h" +#include "wx/intl.h" +#include "wx/log.h" -#include "wx/dnd.h" +#include "wx/dnd.h" +#include "wx/dirdlg.h" + +#ifdef __WXMOTIF__ + #error Sorry, drag and drop is not yet implemented on wxMotif. +#endif + +#if defined(__WXGTK__) || defined(__WXMOTIF__) + #include "mondrian.xpm" +#endif + +#include "wx/clipbrd.h" // ---------------------------------------------------------------------------- -// Derive 2 simple classes which just put in the listbox the strings (text or +// Derive two simple classes which just put in the listbox the strings (text or // file names) we drop on them // ---------------------------------------------------------------------------- + +typedef long wxDropPointCoord; + class DnDText : public wxTextDropTarget { public: - DnDText(wxListBox *pOwner) { m_pOwner = pOwner; } + DnDText(wxListBox *pOwner) { m_pOwner = pOwner; } - virtual bool OnDropText(long x, long y, const char *psz); + virtual bool OnDropText(wxDropPointCoord x, wxDropPointCoord y, + const wxChar* psz); private: - wxListBox *m_pOwner; + wxListBox *m_pOwner; }; class DnDFile : public wxFileDropTarget { public: - DnDFile(wxListBox *pOwner) { m_pOwner = pOwner; } + DnDFile(wxListBox *pOwner) { m_pOwner = pOwner; } - virtual bool OnDropFiles(long x, long y, - size_t nFiles, const char * const aszFiles[]); + virtual bool OnDropFiles(wxDropPointCoord x, wxDropPointCoord y, + size_t nFiles, const wxChar* const aszFiles[] ); private: - wxListBox *m_pOwner; + wxListBox *m_pOwner; }; // ---------------------------------------------------------------------------- // Define a new application type // ---------------------------------------------------------------------------- + class DnDApp : public wxApp -{ +{ public: - bool OnInit(); + bool OnInit(); }; IMPLEMENT_APP(DnDApp); @@ -66,71 +82,78 @@ IMPLEMENT_APP(DnDApp); // Define a new frame type // ---------------------------------------------------------------------------- class DnDFrame : public wxFrame -{ +{ public: - DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h); - ~DnDFrame(); + DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h); + ~DnDFrame(); - void OnPaint(wxPaintEvent& event); - void OnQuit (wxCommandEvent& event); - void OnAbout(wxCommandEvent& event); - void OnDrag (wxCommandEvent& event); - void OnHelp (wxCommandEvent& event); - void OnLogClear(wxCommandEvent& event); + void OnPaint(wxPaintEvent& event); + void OnQuit (wxCommandEvent& event); + void OnAbout(wxCommandEvent& event); + void OnDrag (wxCommandEvent& event); + void OnHelp (wxCommandEvent& event); + void OnLogClear(wxCommandEvent& event); + void OnCopy(wxCommandEvent& event); + void OnPaste(wxCommandEvent& event); - void OnMouseBtnDown(wxMouseEvent& event); + void OnLeftDown(wxMouseEvent& event); + void OnRightDown(wxMouseEvent& event); - bool OnClose(); - - DECLARE_EVENT_TABLE() + DECLARE_EVENT_TABLE() private: - wxListBox *m_ctrlFile, - *m_ctrlText; - wxTextCtrl *m_ctrlLog; + wxListBox *m_ctrlFile, + *m_ctrlText; + wxTextCtrl *m_ctrlLog; - wxLog *m_pLog, *m_pLogPrev; + wxLog *m_pLog, *m_pLogPrev; - wxString m_strText; + wxString m_strText; }; // ---------------------------------------------------------------------------- // IDs for the menu commands // ---------------------------------------------------------------------------- + enum { - Menu_Quit = 1, - Menu_Drag, - Menu_About = 101, - Menu_Help, - Menu_Clear, + Menu_Quit = 1, + Menu_Drag, + Menu_About = 101, + Menu_Help, + Menu_Clear, + Menu_Copy, + Menu_Paste }; BEGIN_EVENT_TABLE(DnDFrame, wxFrame) - EVT_MENU(Menu_Quit, DnDFrame::OnQuit) - EVT_MENU(Menu_About, DnDFrame::OnAbout) - EVT_MENU(Menu_Drag, DnDFrame::OnDrag) - EVT_MENU(Menu_Help, DnDFrame::OnHelp) - EVT_MENU(Menu_Clear, DnDFrame::OnLogClear) - - EVT_LEFT_DOWN(OnMouseBtnDown) - EVT_RIGHT_DOWN(OnMouseBtnDown) - EVT_MIDDLE_DOWN(OnMouseBtnDown) + EVT_MENU(Menu_Quit, DnDFrame::OnQuit) + EVT_MENU(Menu_About, DnDFrame::OnAbout) + EVT_MENU(Menu_Drag, DnDFrame::OnDrag) + EVT_MENU(Menu_Help, DnDFrame::OnHelp) + EVT_MENU(Menu_Clear, DnDFrame::OnLogClear) + EVT_MENU(Menu_Copy, DnDFrame::OnCopy) + EVT_MENU(Menu_Paste, DnDFrame::OnPaste) + + EVT_LEFT_DOWN( DnDFrame::OnLeftDown) + EVT_RIGHT_DOWN( DnDFrame::OnRightDown) + EVT_PAINT( DnDFrame::OnPaint) END_EVENT_TABLE() -// `Main program' equivalent, creating windows and returning main app frame -bool DnDApp::OnInit(void) + // `Main program' equivalent, creating windows and returning main app frame +bool DnDApp::OnInit() { - // create the main frame window - DnDFrame *frame = new DnDFrame(NULL, "Drag & Drop wxWindows App", - 50, 50, 450, 340); + // create the main frame window + DnDFrame *frame = new DnDFrame((wxFrame *) NULL, + "Drag-and-Drop/Clipboard wxWindows Sample", + 50, 50, 450, 340); - // activate it - frame->Show(TRUE); + // activate it + frame->Show(TRUE); - SetTopWindow(frame); + SetTopWindow(frame); - return TRUE; + return TRUE; } DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h) @@ -138,63 +161,66 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h) m_strText("wxWindows drag & drop works :-)") { + // frame icon and status bar + SetIcon(wxICON(mondrian)); -#ifdef __WXMSW__ - // frame icon and status bar - SetIcon(wxIcon("mondrian")); -#endif - - const int widths[] = { -1 }; - CreateStatusBar(); - - // construct menu - wxMenu *file_menu = new wxMenu; - file_menu->Append(Menu_Drag, "&Test drag..."); - file_menu->AppendSeparator(); - file_menu->Append(Menu_Quit, "E&xit"); - - wxMenu *log_menu = new wxMenu; - log_menu->Append(Menu_Clear, "Clear"); - - wxMenu *help_menu = new wxMenu; - help_menu->Append(Menu_Help, "&Help..."); - help_menu->AppendSeparator(); - help_menu->Append(Menu_About, "&About"); - - wxMenuBar *menu_bar = new wxMenuBar; - menu_bar->Append(file_menu, "&File"); - menu_bar->Append(log_menu, "&Log"); - menu_bar->Append(help_menu, "&Help"); - - SetMenuBar(menu_bar); - - // make a panel with 3 subwindows - wxPoint pos(0, 0); - wxSize size(400, 200); - - wxString strFile("Drop files here!"), strText("Drop text on me"); - - m_ctrlFile = new wxListBox(this, -1, pos, size, 1, &strFile, wxLB_HSCROLL); - m_ctrlText = new wxListBox(this, -1, pos, size, 1, &strText, wxLB_HSCROLL); - - m_ctrlLog = new wxTextCtrl(this, -1, "", pos, size, - wxTE_MULTILINE | wxTE_READONLY | - wxSUNKEN_BORDER| wxHSCROLL); - - // redirect log messages to the text window (don't forget to delete it!) + CreateStatusBar(); + + // construct menu + wxMenu *file_menu = new wxMenu; + file_menu->Append(Menu_Drag, "&Test drag..."); + file_menu->AppendSeparator(); + file_menu->Append(Menu_Quit, "E&xit"); + + wxMenu *log_menu = new wxMenu; + log_menu->Append(Menu_Clear, "Clear"); + + wxMenu *help_menu = new wxMenu; + help_menu->Append(Menu_Help, "&Help..."); + help_menu->AppendSeparator(); + help_menu->Append(Menu_About, "&About"); + + wxMenu *clip_menu = new wxMenu; + clip_menu->Append(Menu_Copy, "&Copy\tCtrl+C"); + clip_menu->Append(Menu_Paste, "&Paste\tCtrl+V"); + + wxMenuBar *menu_bar = new wxMenuBar; + menu_bar->Append(file_menu, "&File"); + menu_bar->Append(log_menu, "&Log"); + menu_bar->Append(clip_menu, "&Clipboard"); + menu_bar->Append(help_menu, "&Help"); + + SetMenuBar(menu_bar); + + // make a panel with 3 subwindows + wxPoint pos(0, 0); + wxSize size(400, 200); + + wxString strFile("Drop files here!"), strText("Drop text on me"); + + m_ctrlFile = new wxListBox(this, -1, pos, size, 1, &strFile, wxLB_HSCROLL); + m_ctrlText = new wxListBox(this, -1, pos, size, 1, &strText, wxLB_HSCROLL); + + m_ctrlLog = new wxTextCtrl(this, -1, "", pos, size, + wxTE_MULTILINE | wxTE_READONLY | + wxSUNKEN_BORDER ); + +#if wxUSE_STD_IOSTREAM +// redirect log messages to the text window (don't forget to delete it!) m_pLog = new wxLogTextCtrl(m_ctrlLog); m_pLogPrev = wxLog::SetActiveTarget(m_pLog); +#endif // associate drop targets with 2 text controls -// m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile)); - m_ctrlText->SetDropTarget(new DnDText(m_ctrlText)); + m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile)); + m_ctrlText->SetDropTarget(new DnDText(m_ctrlText)); - wxLayoutConstraints *c; + wxLayoutConstraints *c; // Top-left listbox c = new wxLayoutConstraints; - c->left.SameAs (this, wxLeft); - c->top.SameAs (this, wxTop); + c->left.SameAs(this, wxLeft); + c->top.SameAs(this, wxTop); c->right.PercentOf(this, wxRight, 50); c->height.PercentOf(this, wxHeight, 40); m_ctrlFile->SetConstraints(c); @@ -213,7 +239,6 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h) c->right.SameAs (this, wxRight); c->height.PercentOf(this, wxHeight, 40); c->top.SameAs(m_ctrlText, wxBottom); - m_ctrlLog->SetConstraints(c); SetAutoLayout(TRUE); @@ -221,122 +246,199 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h) void DnDFrame::OnQuit(wxCommandEvent& /* event */) { - Close(TRUE); + Close(TRUE); +} + +void DnDFrame::OnPaint(wxPaintEvent& /*event*/) +{ + int w = 0; + int h = 0; + GetClientSize( &w, &h ); + + wxPaintDC dc(this); + dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, FALSE, "charter" ) ); + dc.DrawText( "Drag text from here!", 20, h-35 ); } void DnDFrame::OnDrag(wxCommandEvent& /* event */) { - wxString strText = wxGetTextFromUser - ( - "After you enter text in this dialog, press any mouse\n" - "button in the bottom (empty) part of the frame and \n" - "drag it anywhere - you will be in fact dragging the\n" - "text object containing this text", - "Please enter some text", m_strText, this - ); - - m_strText = strText; + wxString strText = wxGetTextFromUser + ( + "After you enter text in this dialog, press any mouse\n" + "button in the bottom (empty) part of the frame and \n" + "drag it anywhere - you will be in fact dragging the\n" + "text object containing this text", + "Please enter some text", m_strText, this + ); + + m_strText = strText; } void DnDFrame::OnAbout(wxCommandEvent& /* event */) { - wxMessageDialog dialog(this, - "Drag-&-Drop Demo\n" - "Please see \"Help|Help...\" for details\n" - "Copyright (c) 1998 Vadim Zeitlin", - "About wxDnD"); - - dialog.ShowModal(); + wxMessageBox("Drag-&-Drop Demo\n" + "Please see \"Help|Help...\" for details\n" + "Copyright (c) 1998 Vadim Zeitlin", + "About wxDnD", + wxICON_INFORMATION | wxOK, + this); } void DnDFrame::OnHelp(wxCommandEvent& /* event */) { - wxMessageDialog dialog(this, -"This small program demonstrates drag & drop support in wxWindows. " -"The program window consists of 3 parts: the bottom pane is for " -"debug messages, so that you can see what's going on inside. " -"The top part is split into 2 listboxes, the left one accepts " -"files and the right one accepts text." -"\n\n" -"To test wxDropTarget: open wordpad (write.exe), select some text in " -"it and drag it to the right listbox (you'll notice the usual visual " -"feedback, i.e. the cursor will change). Also, try dragging some " -"files (you can select several at once) from Windows Explorer (or " -"File Manager) to the left pane. Hold down Ctrl/Shift keys when " -"you drop text (doesn't work with files) and see what changes. " -"\n\n" -"To test wxDropSource: just press any mouse button on the empty zone of " -"the window and drag it to wordpad or any other droptarget accepting " -"text (and of course you can just drag it to the right pane). Due to " -"a lot of trace messages, the cursor might take some time to change, " -"don't release the mouse button until it does. You can change the " -"string being dragged in in \"File|Test drag...\" dialog." -"\n\n" -"Please send all questions/bug reports/suggestions &c to " -"Vadim Zeitlin ", - "wxDnD Help"); - - dialog.ShowModal(); + wxMessageDialog dialog(this, + "This small program demonstrates drag & drop support in wxWindows. The program window\n" + "consists of 3 parts: the bottom pane is for debug messages, so that you can see what's\n" + "going on inside. The top part is split into 2 listboxes, the left one accepts files\n" + "and the right one accepts text.\n" + "\n" + "To test wxDropTarget: open wordpad (write.exe), select some text in it and drag it to\n" + "the right listbox (you'll notice the usual visual feedback, i.e. the cursor will change).\n" + "Also, try dragging some files (you can select several at once) from Windows Explorer (or \n" + "File Manager) to the left pane. Hold down Ctrl/Shift keys when you drop text (doesn't \n" + "work with files) and see what changes.\n" + "\n" + "To test wxDropSource: just press any mouse button on the empty zone of the window and drag\n" + "it to wordpad or any other droptarget accepting text (and of course you can just drag it\n" + "to the right pane). Due to a lot of trace messages, the cursor might take some time to \n" + "change, don't release the mouse button until it does. You can change the string being\n" + "dragged in in \"File|Test drag...\" dialog.\n" + "\n" + "\n" + "Please send all questions/bug reports/suggestions &c to \n" + "Vadim Zeitlin ", + "wxDnD Help"); + + dialog.ShowModal(); } void DnDFrame::OnLogClear(wxCommandEvent& /* event */ ) { - m_ctrlLog->Clear(); + m_ctrlLog->Clear(); +} + +void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) ) +{ + if ( !m_strText.IsEmpty() ) + { + // start drag operation +#ifdef __WXMSW__ + wxTextDataObject textData(m_strText); + wxDropSource dragSource( textData, this ); +#else + wxDropSource dragSource( new wxTextDataObject (m_strText), this, wxIcon(mondrian_xpm) ); +#endif + const char *pc; + + switch ( dragSource.DoDragDrop(TRUE) ) + { + case wxDragError: pc = "Error!"; break; + case wxDragNone: pc = "Nothing"; break; + case wxDragCopy: pc = "Copied"; break; + case wxDragMove: pc = "Moved"; break; + case wxDragCancel: pc = "Cancelled"; break; + default: pc = "Huh?"; break; + } + + SetStatusText(wxString("Drag result: ") + pc); + } +} + +void DnDFrame::OnRightDown(wxMouseEvent &event ) +{ + wxMenu *menu = new wxMenu; + + menu->Append(Menu_Drag, "&Test drag..."); + menu->Append(Menu_About, "&About"); + menu->Append(Menu_Quit, "E&xit"); + + PopupMenu( menu, event.GetX(), event.GetY() ); } -bool DnDFrame::OnClose() -{ - return TRUE; +DnDFrame::~DnDFrame() +{ +#if wxUSE_STD_IOSTREAM + if ( m_pLog != NULL ) { + if ( wxLog::SetActiveTarget(m_pLogPrev) == m_pLog ) + delete m_pLog; + } +#endif } -void DnDFrame::OnMouseBtnDown(wxMouseEvent& /* event */ ) +// --------------------------------------------------------------------------- +// clipboard +// --------------------------------------------------------------------------- + +void DnDFrame::OnCopy(wxCommandEvent& WXUNUSED(event)) { - if ( !m_strText.IsEmpty() ) { - // start drag operation - wxTextDataObject data(m_strText); - wxDropSource dragSource(data, this); - const char *pc; - - switch ( dragSource.DoDragDrop(TRUE) ) { - case wxDropSource::Error: pc = "Error!"; break; - case wxDropSource::None: pc = "Nothing"; break; - case wxDropSource::Copy: pc = "Copied"; break; - case wxDropSource::Move: pc = "Moved"; break; - case wxDropSource::Cancel: pc = "Cancelled"; break; - default: pc = "Huh?"; break; + if ( !wxTheClipboard->Open() ) + { + wxLogError(_T("Can't open clipboard.")); + + return; } - SetStatusText(wxString("Drag result: ") + pc); - } + if ( !wxTheClipboard->AddData(new wxTextDataObject(m_strText)) ) + { + wxLogError(_T("Can't copy data to the clipboard")); + } + else + { + wxLogMessage(_T("Text '%s' put on the clipboard"), m_strText.c_str()); + } + + wxTheClipboard->Close(); } -DnDFrame::~DnDFrame() +void DnDFrame::OnPaste(wxCommandEvent& WXUNUSED(event)) { - if ( m_pLog != NULL ) { - if ( wxLog::SetActiveTarget(m_pLogPrev) == m_pLog ) - delete m_pLog; - } + if ( !wxTheClipboard->Open() ) + { + wxLogError(_T("Can't open clipboard.")); + + return; + } + + if ( !wxTheClipboard->IsSupported(wxDF_TEXT) ) + { + wxLogWarning(_T("No text data on clipboard")); + + return; + } + + wxTextDataObject text; + if ( !wxTheClipboard->GetData(&text) ) + { + wxLogError(_T("Can't paste data from the clipboard")); + } + else + { + wxLogMessage(_T("Text '%s' pasted from the clipboard"), + text.GetText().c_str()); + } + + wxTheClipboard->Close(); } // ---------------------------------------------------------------------------- // Notifications called by the base class // ---------------------------------------------------------------------------- -bool DnDText::OnDropText(long, long, const char *psz) +bool DnDText::OnDropText( wxDropPointCoord, wxDropPointCoord, const wxChar *psz ) { - m_pOwner->Append(psz); + m_pOwner->Append(psz); - return TRUE; + return TRUE; } -bool DnDFile::OnDropFiles(long, long, size_t nFiles, - const char * const aszFiles[]) +bool DnDFile::OnDropFiles( wxDropPointCoord, wxDropPointCoord, size_t nFiles, + const wxChar* const aszFiles[]) { - wxString str; - str.Printf("%d files dropped", nFiles); - m_pOwner->Append(str); - for ( size_t n = 0; n < nFiles; n++ ) { - m_pOwner->Append(aszFiles[n]); - } - - return TRUE; + wxString str; + str.Printf( _T("%d files dropped"), nFiles); + m_pOwner->Append(str); + for ( size_t n = 0; n < nFiles; n++ ) { + m_pOwner->Append(aszFiles[n]); + } + + return TRUE; }