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Correction to dnd.h; EVT_MOUSE_EVENTS now includes LEAVE/ENTER events;

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Windows LEAVE/ENTER events now work


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@86 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
1998-06-13 10:09:13 +00:00
parent 3078c3a641
commit 43d811ea55
11 changed files with 191 additions and 310 deletions
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156
samples/dnd/dnd.cpp
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@@ -1,19 +1,14 @@
///////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Name: dnd.cpp
// Purpose: Drag and drop sample
// Author: Vadim Zeitlin
// Modified by:
// Created: 13.11.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
// Modified by:
// Created: 04/01/98
// RCS-ID:
// Copyright:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers & declarations
// ============================================================================
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
@@ -79,7 +74,11 @@ public:
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 OnMouseBtnDown(wxMouseEvent& event);
bool OnClose();
@@ -90,7 +89,9 @@ private:
*m_ctrlText;
wxTextCtrl *m_ctrlLog;
wxLogTarget *m_pLog, *m_pLogPrev;
wxLog *m_pLog, *m_pLogPrev;
wxString m_strText;
};
// ----------------------------------------------------------------------------
@@ -99,16 +100,22 @@ private:
enum
{
Menu_Quit = 1,
Menu_Drag,
Menu_About = 101,
Menu_Help,
Menu_Clear,
};
BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
EVT_MENU(Menu_Quit, DnDFrame::OnQuit)
EVT_MENU(Menu_About, DnDFrame::OnAbout)
EVT_MENU(Menu_Help, DnDFrame::OnHelp)
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_PAINT(DnDFrame::OnPaint)
EVT_LEFT_DOWN(OnMouseBtnDown)
EVT_RIGHT_DOWN(OnMouseBtnDown)
EVT_MIDDLE_DOWN(OnMouseBtnDown)
END_EVENT_TABLE()
// `Main program' equivalent, creating windows and returning main app frame
@@ -127,18 +134,34 @@ bool DnDApp::OnInit(void)
}
DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
: wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
: wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)),
m_strText("wxWindows drag & drop works :-)")
{
// frame icon and status bar
SetIcon(wxIcon("mondrian"));
const int widths[] = { -1 };
CreateStatusBar();
// construct menu
wxMenu *file_menu = new wxMenu;
file_menu->Append(Menu_Help, "&Help");
file_menu->Append(Menu_About, "&About");
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
@@ -154,9 +177,8 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
wxSUNKEN_BORDER| wxHSCROLL);
// redirect log messages to the text window (don't forget to delete it!)
// m_pLog = new wxLogTextCtrl(m_ctrlLog);
m_pLog = NULL;
m_pLogPrev = wxLogTarget::SetActiveTarget(m_pLog);
m_pLog = new wxLogTextCtrl(m_ctrlLog);
m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
// associate drop targets with 2 text controls
m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile));
@@ -168,21 +190,21 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
c->left.SameAs (this, wxLeft);
c->top.SameAs (this, wxTop);
c->right.PercentOf(this, wxRight, 50);
c->height.PercentOf(this, wxHeight, 50);
c->height.PercentOf(this, wxHeight, 40);
m_ctrlFile->SetConstraints(c);
c = new wxLayoutConstraints;
c->left.SameAs (m_ctrlFile, wxRight);
c->top.SameAs (this, wxTop);
c->right.SameAs (this, wxRight);
c->height.PercentOf(this, wxHeight, 50);
c->height.PercentOf(this, wxHeight, 40);
m_ctrlText->SetConstraints(c);
c = new wxLayoutConstraints;
c->left.SameAs (this, wxLeft);
c->right.SameAs (this, wxRight);
c->height.PercentOf(this, wxHeight, 50);
c->bottom.SameAs(this, wxBottom);
c->height.PercentOf(this, wxHeight, 40);
c->top.SameAs(m_ctrlText, wxBottom);
m_ctrlLog->SetConstraints(c);
@@ -194,11 +216,26 @@ void DnDFrame::OnQuit(wxCommandEvent& /* event */)
Close(TRUE);
}
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;
}
void DnDFrame::OnAbout(wxCommandEvent& /* event */)
{
wxMessageDialog dialog(this,
"Drag-&-Drop Demo\n"
"Please see File|Help for details",
"Please see \"Help|Help...\" for details\n"
"Copyright (c) 1998 Vadim Zeitlin",
"About wxDnD");
dialog.ShowModal();
@@ -207,35 +244,68 @@ void DnDFrame::OnAbout(wxCommandEvent& /* event */)
void DnDFrame::OnHelp(wxCommandEvent& /* event */)
{
wxMessageDialog dialog(this,
"This small program demonstrates drag & drop support in wxWindows.\n"
"The program window consists of 3 parts: the bottom pane is for\n"
"debug messages, so that you can see what's going on inside.\n"
"The top part is split into 2 listboxes, the left one accepts\n"
"files and the right one accepts text.\n"
"\n"
"To test it: open wordpad (write.exe), select some text in it and\n"
"drag it to the right listbox (you'll notice the usual visual\n"
"feedback, i.e. the cursor will change). Also, try dragging some\n"
"files (you can select several at once) from Windows Explorer (or\n"
"File Manager) to the left pane. Hold down Ctrl/Shift keys when\n"
"you drop text (doesn't work with files) and see what changes.\n"
"\n"
"Please address any questions/bug reports/suggestions &c to\n"
"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 <zeitlin@dptmaths.ens-cachan.fr>",
"wxDnD Help");
dialog.ShowModal();
}
void DnDFrame::OnLogClear(wxCommandEvent& event)
{
m_ctrlLog->Clear();
}
bool DnDFrame::OnClose()
{
return TRUE;
}
void DnDFrame::OnMouseBtnDown(wxMouseEvent& event)
{
if ( !m_strText.IsEmpty() ) {
// start drag operation
wxTextDataObject data(m_strText);
wxDropSource dragSource(data);
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;
}
SetStatusText(wxString("Drag result: ") + pc);
}
}
DnDFrame::~DnDFrame()
{
if ( m_pLog != NULL ) {
if ( wxLogTarget::SetActiveTarget(m_pLogPrev) == m_pLog )
if ( wxLog::SetActiveTarget(m_pLogPrev) == m_pLog )
delete m_pLog;
}
}