utils/nplugin/src/npframe.cpp

   1 /*
   2  * File:        NPFrame.cc
   3  * Purpose:     wxPluginFrame implementation
   4  * Author:      Julian Smart
   5  * Created:     1997
   6  * Updated:
   7  * Copyright:   (c) Julian Smart
   8  */
   9
  10 // For compilers that support precompilation, includes "wx/wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14 #pragma hdrstop
  15 #endif
  16
  17 #ifndef WX_PRECOMP
  18 #include "wx/frame.h"
  19 #endif
  20
  21 #include "wx/dcprint.h"
  22
  23 #include "NPFrame.h"
  24 #include "NPApp.h"
  25
  26 #include <windows.h>
  27
  28 extern wxList wxModelessWindows;
  29 extern char wxFrameClassName[];
  30
  31 IMPLEMENT_DYNAMIC_CLASS(wxPluginFrame, wxFrame)
  32
  33 wxPluginFrame::wxPluginFrame(void)
  34 {
  35     m_npWindow = NULL;
  36     m_npInstance = NULL;
  37     m_nAttributes = 0;
  38     m_names = NULL;
  39     m_values = NULL;
  40 }
  41
  42 bool wxPluginFrame::Create(const wxPluginData& data)
  43 {
  44     SetName("pluginFrame");
  45
  46     m_npWindow = NULL;
  47     m_npInstance = NULL;
  48     m_nAttributes = 0;
  49     m_names = NULL;
  50     m_values = NULL;
  51     m_npWindow = data.m_window;
  52     m_npInstance = data.m_instance;
  53
  54     SetAttributeValues(data.m_argc, data.m_argn, data.m_argv);
  55     SetNPWindow(data.m_window);
  56
  57     wxModelessWindows.Append(this);
  58
  59     if (wxTheApp->IsKindOf(CLASSINFO(wxPluginApp)))
  60     {
  61         ((wxPluginApp *)wxTheApp)->AddFrame(this);
  62     }
  63     return TRUE;
  64 }
  65
  66 wxPluginFrame::~wxPluginFrame(void)
  67 {
  68     if (wxTheApp->IsKindOf(CLASSINFO(wxPluginApp)))
  69     {
  70         ((wxPluginApp *)wxTheApp)->RemoveFrame(this);
  71     }
  72
  73     if ( GetHWND() )
  74         UnsubclassWin();
  75     m_hWnd = 0;
  76
  77     if ( m_names )
  78         delete[] m_names;
  79     if ( m_values )
  80         delete[] m_values;
  81 }
  82
  83 // Get size *available for subwindows* i.e. excluding menu bar etc.
  84 // For XView, this is the same as GetSize
  85 void wxPluginFrame::GetClientSize(int *x, int *y) const
  86 {
  87     if ( !m_hWnd )
  88     {
  89         *x = 0; *y = 0;
  90         return;
  91     }
  92     wxFrame::GetClientSize(x, y);
  93 }
  94
  95 // Set the client size (i.e. leave the calculation of borders etc.
  96 // to wxWindows)
  97 void wxPluginFrame::SetClientSize(const int width, const int height)
  98 {
  99     if ( !m_hWnd )
 100         return ;
 101
 102     wxFrame::SetClientSize(width, height);
 103 }
 104
 105 void wxPluginFrame::GetSize(int *width, int *height) const
 106 {
 107     if ( !m_hWnd )
 108     {
 109         *width = 0; *height = 0;
 110         return;
 111     }
 112     wxFrame::GetSize(width, height);
 113 }
 114
 115 void wxPluginFrame::GetPosition(int *x, int *y) const
 116 {
 117     if ( !m_hWnd )
 118     {
 119         *x = 0; *y = 0;
 120         return;
 121     }
 122     wxFrame::GetPosition(x, y);
 123 }
 124
 125 void wxPluginFrame::SetAttributeValues(const int n, const char *argn[], const char *argv[])
 126 {
 127     if ( m_names )
 128         delete[] m_names;
 129     if ( m_values )
 130         delete[] m_values;
 131
 132     m_nAttributes = n;
 133
 134     m_names = new wxString[n];
 135     m_values = new wxString[n];
 136     int i;
 137     for ( i = 0; i < n ; i ++)
 138     {
 139         m_names[i] = argn[i];
 140         m_values[i] = argv[i];
 141     }
 142 }
 143
 144 void wxPluginFrame::SetAttributeValues(const int n, const wxString* argn, const wxString* argv)
 145 {
 146     if ( m_names )
 147         delete[] m_names;
 148     if ( m_values )
 149         delete[] m_values;
 150
 151     m_nAttributes = n;
 152
 153     m_names = new wxString[n];
 154     m_values = new wxString[n];
 155     int i;
 156     for ( i = 0; i < n ; i ++)
 157     {
 158         m_names[i] = argn[i];
 159         m_values[i] = argv[i];
 160     }
 161 }
 162
 163 void wxPluginFrame::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
 164 {
 165     // Can't allow app to set the size.
 166     return;
 167 }
 168
 169 // Sets and subclasses the platform-specific window handle
 170 bool wxPluginFrame::SetNPWindow(NPWindow *window)
 171 {
 172     if ( !window || !window->window)
 173     {
 174         if ( m_hWnd )
 175         {
 176             wxMessageBox("Unsubclassing window prematurely");
 177             UnsubclassWin();
 178             m_hWnd = 0;
 179         }
 180         m_npWindow = NULL;
 181     }
 182     else
 183     {
 184         if ( m_hWnd )
 185         {
 186             if ( m_hWnd == (WXHWND) window->window )
 187             {
 188                 // Does this mean a resize?
 189                 return TRUE;
 190             }
 191         }
 192
 193         m_npWindow = window;
 194         m_hWnd = (WXHWND) window->window;
 195         SubclassWin(m_hWnd);
 196         m_windowId = ::GetWindowLong((HWND) m_hWnd, GWL_ID);
 197     }
 198     return TRUE;
 199 }
 200
 201 NPError wxPluginFrame::OnNPNewStream(NPMIMEType type, NPStream *stream, bool seekable, uint16* stype)
 202 {
 203     *stype = NP_ASFILE;
 204     return NPERR_NO_ERROR;
 205 }
 206
 207 void wxPluginFrame::OnNPNewFile(NPStream *stream, const wxString& fname)
 208 {
 209 }
 210
 211 void wxPluginFrame::OnNPPrint(NPPrint* printInfo)
 212 {
 213         if (printInfo->mode == NP_FULL)
 214         {
 215             //
 216             // *Developers*: If your plugin would like to take over
 217             // printing completely when it is in full-screen mode,
 218             // set printInfo->pluginPrinted to TRUE and print your
 219             // plugin as you see fit.  If your plugin wants Netscape
 220             // to handle printing in this case, set printInfo->pluginPrinted
 221             // to FALSE (the default) and do nothing.  If you do want
 222             // to handle printing yourself, printOne is true if the
 223             // print button (as opposed to the print menu) was clicked.
 224             // On the Macintosh, platformPrint is a THPrint; on Windows,
 225             // platformPrint is a structure (defined in npapi.h) containing
 226             // the printer name, port, etc.
 227             //
 228             void* platformPrint = printInfo->print.fullPrint.platformPrint;
 229             NPBool printOne = printInfo->print.fullPrint.printOne;
 230
 231             printInfo->print.fullPrint.pluginPrinted = FALSE; // Do the default
 232
 233         }
 234         else    // If not fullscreen, we must be embedded
 235         {
 236             //
 237             // *Developers*: If your plugin is embedded, or is full-screen
 238             // but you returned false in pluginPrinted above, NPP_Print
 239             // will be called with mode == NP_EMBED.  The NPWindow
 240             // in the printInfo gives the location and dimensions of
 241             // the embedded plugin on the printed page.  On the Macintosh,
 242             // platformPrint is the printer port; on Windows, platformPrint
 243             // is the handle to the printing device context.
 244             //
 245             NPWindow* printWindow = &(printInfo->print.embedPrint.window);
 246             void* platformPrint = printInfo->print.embedPrint.platformPrint;
 247
 248             HDC hDC = (HDC) platformPrint;
 249             wxRect rect;
 250             rect.x = printWindow->x;
 251             rect.y = printWindow->y;
 252             rect.width = printWindow->width;
 253             rect.height = printWindow->height;
 254
 255                         int saveIt = ::SaveDC(hDC);
 256
 257             wxPrinterDC *printerDC = new wxPrinterDC((WXHDC) hDC);
 258
 259             OnPrint(*printerDC, rect);
 260
 261             printerDC->SetHDC(0);
 262                         delete printerDC;
 263
 264                         ::RestoreDC(hDC, saveIt);
 265         }
 266  }
 267
 268 void wxPluginFrame::OnPrint(wxPrinterDC& dc, wxRect& rect)
 269 {
 270     // We must do some transformations here
 271         RECT winRect;
 272 /*
 273         winRect.left = rect.x;
 274         winRect.top = rect.y;
 275         winRect.right = rect.x + rect.right;
 276         winRect.bottom = rect.y + rect.height;
 277 */
 278         POINT winPoint[2];
 279         winPoint[0].x = rect.x;
 280         winPoint[0].y = rect.y;
 281         winPoint[1].x = rect.x + rect.width;
 282         winPoint[1].y = rect.y + rect.height;
 283
 284         if (!LPtoDP((HDC) dc.GetHDC(), winPoint, 2))
 285                 wxMessageBox("LPtoDP failed.");
 286
 287     OnDraw(dc);
 288 }
 289
 290 void wxPluginFrame::OnDraw(wxDC& dc)
 291 {
 292 }
 293