// 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"
#include "wx/dnd.h"
+#ifdef __WXMOTIF__
+#error Sorry, drag and drop is not yet implemented on wxMotif.
+#endif
+
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
+#include "mondrian.xpm"
+#endif
+
// ----------------------------------------------------------------------------
-// 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
// ----------------------------------------------------------------------------
+
class DnDText : public wxTextDropTarget
{
public:
DnDText(wxListBox *pOwner) { m_pOwner = pOwner; }
- virtual bool OnDropText(long x, long y, const char *psz);
+ virtual bool OnDropText(long x, long y, const char *psz );
private:
wxListBox *m_pOwner;
DnDFile(wxListBox *pOwner) { m_pOwner = pOwner; }
virtual bool OnDropFiles(long x, long y,
- size_t nFiles, const char * const aszFiles[]);
+ size_t nFiles, const char * const aszFiles[] );
private:
wxListBox *m_pOwner;
// ----------------------------------------------------------------------------
// Define a new application type
// ----------------------------------------------------------------------------
+
class DnDApp : public wxApp
-{
+{
public:
bool OnInit();
};
// Define a new frame type
// ----------------------------------------------------------------------------
class DnDFrame : public wxFrame
-{
+{
public:
DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
~DnDFrame();
void OnHelp (wxCommandEvent& event);
void OnLogClear(wxCommandEvent& event);
- void OnMouseBtnDown(wxMouseEvent& event);
+ void OnLeftDown(wxMouseEvent& event);
+ void OnRightDown(wxMouseEvent& event);
bool OnClose();
-
+
DECLARE_EVENT_TABLE()
private:
// ----------------------------------------------------------------------------
// IDs for the menu commands
// ----------------------------------------------------------------------------
+
enum
{
Menu_Quit = 1,
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_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)
+bool DnDApp::OnInit()
{
// create the main frame window
- DnDFrame *frame = new DnDFrame(NULL, "Drag & Drop wxWindows App",
+ DnDFrame *frame = new DnDFrame((wxFrame *) NULL, "Drag & Drop wxWindows App",
50, 50, 450, 340);
// activate it
m_strText("wxWindows drag & drop works :-)")
{
+// SetBackgroundColour(* wxWHITE);
+
// frame icon and status bar
- SetIcon(wxIcon("mondrian"));
- const int widths[] = { -1 };
+ SetIcon(wxICON(mondrian));
+
+// const int widths[] = { -1 };
CreateStatusBar();
// construct menu
menu_bar->Append(help_menu, "&Help");
SetMenuBar(menu_bar);
-
+
// make a panel with 3 subwindows
wxPoint pos(0, 0);
wxSize size(400, 200);
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);
+
+ m_ctrlLog = new wxTextCtrl(this, -1, "", pos, size,
+ wxTE_MULTILINE | wxTE_READONLY |
+ wxSUNKEN_BORDER );
// redirect log messages to the text window (don't forget to delete it!)
m_pLog = new wxLogTextCtrl(m_ctrlLog);
// associate drop targets with 2 text controls
m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile));
- m_ctrlText->SetDropTarget(new DnDText(m_ctrlText));
+ m_ctrlText->SetDropTarget( new DnDText(m_ctrlText) );
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);
+ // Top-right listbox
c = new wxLayoutConstraints;
c->left.SameAs (m_ctrlFile, wxRight);
c->top.SameAs (this, wxTop);
c->height.PercentOf(this, wxHeight, 40);
m_ctrlText->SetConstraints(c);
+ // Lower text control
c = new wxLayoutConstraints;
c->left.SameAs (this, wxLeft);
c->right.SameAs (this, wxRight);
c->height.PercentOf(this, wxHeight, 40);
c->top.SameAs(m_ctrlText, wxBottom);
-
m_ctrlLog->SetConstraints(c);
SetAutoLayout(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-22 );
+}
+
void DnDFrame::OnDrag(wxCommandEvent& /* event */)
{
wxString strText = wxGetTextFromUser
void DnDFrame::OnAbout(wxCommandEvent& /* event */)
{
- wxMessageDialog dialog(this,
+ wxMessageDialog dialog(this,
"Drag-&-Drop Demo\n"
"Please see \"Help|Help...\" for details\n"
"Copyright (c) 1998 Vadim Zeitlin",
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 "
+ 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 <zeitlin@dptmaths.ens-cachan.fr>",
"wxDnD Help");
dialog.ShowModal();
}
-void DnDFrame::OnLogClear(wxCommandEvent& event)
+void DnDFrame::OnLogClear(wxCommandEvent& /* event */ )
{
m_ctrlLog->Clear();
}
-bool DnDFrame::OnClose()
-{
- return TRUE;
+bool DnDFrame::OnClose()
+{
+ return TRUE;
}
-void DnDFrame::OnMouseBtnDown(wxMouseEvent& event)
+void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
{
- if ( !m_strText.IsEmpty() ) {
+ if ( !m_strText.IsEmpty() )
+ {
// start drag operation
- wxTextDataObject data(m_strText);
- wxDropSource dragSource(data);
+#ifdef __WXMSW__
+ wxTextDataObject textData(m_strText);
+ wxDropSource dragSource( textData, this );
+#else
+ wxDropSource dragSource( new wxTextDataObject (m_strText), this );
+#endif
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;
+ 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;
}
}
}
+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() );
+}
+
DnDFrame::~DnDFrame()
{
if ( m_pLog != NULL ) {
return TRUE;
}
-bool DnDFile::OnDropFiles(long, long, size_t nFiles,
+bool DnDFile::OnDropFiles(long, long, size_t nFiles,
const char * const aszFiles[])
{
wxString str;