added some wxMSW stuff

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/taskbar.cpp

@@ -0,0 +1,286 @@
+/////////////////////////////////////////////////////////////////////////
+// File:        taskbar.cpp
+// Purpose:	    Implements wxTaskBarIcon class for manipulating icons on
+//              the Windows task bar.
+// Author:      Julian Smart
+// Modified by:
+// Created:     24/3/98
+// RCS-ID:      $Id$
+// Copyright:   (c)
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "taskbar.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/defs.h"
+#endif
+
+#ifdef __WIN95__
+
+#include <wx/msw/taskbar.h>
+#include <string.h>
+#include <windows.h>
+#include <wx/msw/private.h>
+
+#ifdef __GNUWIN32__
+#include <wx/msw/gnuwin32/extra.h>
+#endif
+
+LRESULT APIENTRY _EXPORT wxTaskBarIconWindowProc( HWND hWnd, unsigned msg,
+				     UINT wParam, LONG lParam );
+
+char *wxTaskBarWindowClass = "wxTaskBarWindowClass";
+
+wxList wxTaskBarIcon::sm_taskBarIcons;
+bool   wxTaskBarIcon::sm_registeredClass = FALSE;
+UINT   wxTaskBarIcon::sm_taskbarMsg = 0;
+
+wxTaskBarIcon::wxTaskBarIcon(void)
+{
+    m_hWnd = 0;
+    m_iconAdded = FALSE;
+
+    AddObject(this);
+
+    if (RegisterWindowClass())
+        m_hWnd = CreateTaskBarWindow();
+}
+
+wxTaskBarIcon::~wxTaskBarIcon(void)
+{
+    RemoveObject(this);
+
+    if (m_iconAdded)
+    {
+        RemoveIcon();
+    }
+
+    if (m_hWnd)
+    {
+        ::DestroyWindow((HWND) m_hWnd);
+        m_hWnd = 0;
+    }
+}
+
+// Operations
+bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
+{
+    if (!IsOK())
+        return FALSE;
+
+    NOTIFYICONDATA notifyData;
+
+    memset(&notifyData, 0, sizeof(notifyData));
+	notifyData.cbSize = sizeof(notifyData);
+	notifyData.hWnd = (HWND) m_hWnd;
+	notifyData.uCallbackMessage = sm_taskbarMsg;
+	notifyData.uFlags = NIF_MESSAGE ;
+	if (icon.Ok())
+    {
+		notifyData.uFlags |= NIF_ICON;
+	    notifyData.hIcon = (HICON) icon.GetHICON();
+    }
+
+    if (((const char*) tooltip != NULL) && (tooltip != ""))
+    {
+        notifyData.uFlags |= NIF_TIP ;
+		lstrcpyn(notifyData.szTip, (char*) (const char*) tooltip, sizeof(notifyData.szTip));
+    }
+
+    notifyData.uID = 99;
+
+    if (m_iconAdded)
+        return (Shell_NotifyIcon(NIM_MODIFY, & notifyData) != 0);
+    else
+    {
+        m_iconAdded = (Shell_NotifyIcon(NIM_ADD, & notifyData) != 0);
+        return m_iconAdded;
+    }
+}
+
+bool wxTaskBarIcon::RemoveIcon(void)
+{
+    if (!m_iconAdded)
+        return FALSE;
+
+    NOTIFYICONDATA notifyData;
+
+    memset(&notifyData, 0, sizeof(notifyData));
+	notifyData.cbSize = sizeof(notifyData);
+	notifyData.hWnd = (HWND) m_hWnd;
+	notifyData.uCallbackMessage = sm_taskbarMsg;
+	notifyData.uFlags = NIF_MESSAGE;
+	notifyData.hIcon = 0 ; // hIcon;
+    notifyData.uID = 99;
+    m_iconAdded = FALSE;
+
+    return (Shell_NotifyIcon(NIM_DELETE, & notifyData) != 0);
+}
+
+// Overridables
+void wxTaskBarIcon::OnMouseMove(void)
+{
+}
+
+void wxTaskBarIcon::OnLButtonDown(void)
+{
+}
+
+void wxTaskBarIcon::OnLButtonUp(void)
+{
+}
+
+void wxTaskBarIcon::OnRButtonDown(void)
+{
+}
+
+void wxTaskBarIcon::OnRButtonUp(void)
+{
+}
+
+void wxTaskBarIcon::OnLButtonDClick(void)
+{
+}
+
+void wxTaskBarIcon::OnRButtonDClick(void)
+{
+}
+
+wxTaskBarIcon* wxTaskBarIcon::FindObjectForHWND(WXHWND hWnd)
+{
+    wxNode*node = sm_taskBarIcons.First();
+    while (node)
+    {
+        wxTaskBarIcon* obj = (wxTaskBarIcon*) node->Data();
+        if (obj->GetHWND() == hWnd)
+            return obj;
+        node = node->Next();
+    }
+    return NULL;
+}
+
+void wxTaskBarIcon::AddObject(wxTaskBarIcon* obj)
+{
+    sm_taskBarIcons.Append(obj);
+}
+
+void wxTaskBarIcon::RemoveObject(wxTaskBarIcon* obj)
+{
+    sm_taskBarIcons.DeleteObject(obj);
+}
+
+bool wxTaskBarIcon::RegisterWindowClass()
+{
+    if (sm_registeredClass)
+        return TRUE;
+
+    // Also register the taskbar message here
+    sm_taskbarMsg = ::RegisterWindowMessage("wxTaskBarIconMessage");
+
+    WNDCLASS	wc;
+    bool	rc;
+
+    HINSTANCE hInstance = GetModuleHandle(NULL);
+
+    /*
+     * set up and register window class
+     */
+    wc.style = CS_HREDRAW | CS_VREDRAW;
+    wc.lpfnWndProc = (WNDPROC) wxTaskBarIconWindowProc;
+    wc.cbClsExtra = 0;
+    wc.cbWndExtra = 0;
+    wc.hInstance = hInstance;
+    wc.hIcon = 0;
+    wc.hCursor = 0;
+    wc.hbrBackground = 0;
+    wc.lpszMenuName = NULL;
+    wc.lpszClassName = wxTaskBarWindowClass ;
+    rc = (::RegisterClass( &wc ) != 0);
+
+    sm_registeredClass = (rc != 0);
+
+    return( (rc != 0) );
+}
+
+WXHWND wxTaskBarIcon::CreateTaskBarWindow()
+{
+    HINSTANCE hInstance = GetModuleHandle(NULL);
+
+    HWND hWnd = CreateWindowEx (0, wxTaskBarWindowClass,
+            "wxTaskBarWindow",
+            WS_OVERLAPPED,
+            0,
+            0,
+            10,
+            10,
+            NULL,
+            (HMENU) 0,
+            hInstance,
+            NULL);
+
+    return (WXHWND) hWnd;
+}
+
+long wxTaskBarIcon::WindowProc( WXHWND hWnd, unsigned int msg, unsigned int wParam, long lParam )
+{
+    if (msg != sm_taskbarMsg)
+        return DefWindowProc((HWND) hWnd, msg, wParam, lParam);
+
+    switch (lParam)
+    {
+	case WM_LBUTTONDOWN:
+		OnLButtonDown();
+		break;
+
+	case WM_LBUTTONUP:
+		OnLButtonUp();
+		break;
+
+	case WM_RBUTTONDOWN:
+		OnRButtonDown();
+		break;
+
+	case WM_RBUTTONUP:
+		OnRButtonUp();
+		break;
+
+	case WM_LBUTTONDBLCLK:
+		OnLButtonDClick();
+		break;
+
+	case WM_RBUTTONDBLCLK:
+		OnRButtonDClick();
+		break;
+
+	case WM_MOUSEMOVE:
+		OnMouseMove();
+		break;
+
+	default:
+        break;
+	}
+    return 0;
+}
+
+LRESULT APIENTRY _EXPORT wxTaskBarIconWindowProc( HWND hWnd, unsigned msg,
+				     UINT wParam, LONG lParam )
+{
+    wxTaskBarIcon* obj = wxTaskBarIcon::FindObjectForHWND((WXHWND) hWnd);
+    if (obj)
+        return obj->WindowProc((WXHWND) hWnd, msg, wParam, lParam);
+    else
+        return DefWindowProc(hWnd, msg, wParam, lParam);
+}
+
+#endif
+    // __WIN95__