/* Cockos SWELL (Simple/Small Win32 Emulation Layer for Linux/OSX)
   Copyright (C) 2006 and later, Cockos, Inc.

    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.

    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely, subject to the following restrictions:

    1. The origin of this software must not be misrepresented; you must not
       claim that you wrote the original software. If you use this software
       in a product, an acknowledgment in the product documentation would be
       appreciated but is not required.
    2. Altered source versions must be plainly marked as such, and must not be
       misrepresented as being the original software.
    3. This notice may not be removed or altered from any source distribution.
  

  */


#ifndef SWELL_PROVIDED_BY_APP

#include "swell.h"

#ifndef SWELL_TARGET_GDK

#include "swell-internal.h"
#include "swell-dlggen.h"
#include "../wdlcstring.h"

void swell_oswindow_destroy(HWND hwnd)
{
  if (hwnd && hwnd->m_oswindow)
  {
    if (SWELL_focused_oswindow == hwnd->m_oswindow) SWELL_focused_oswindow = NULL;
    hwnd->m_oswindow=NULL;
#ifdef SWELL_LICE_GDI
    delete hwnd->m_backingstore;
    hwnd->m_backingstore=0;
#endif
  }
}
void swell_oswindow_update_text(HWND hwnd)
{
  if (hwnd) printf("SWELL: swt '%s'\n",hwnd->m_title.Get());

}

void swell_oswindow_focus(HWND hwnd)
{
  if (!hwnd)
  {
    SWELL_focused_oswindow = NULL;
  }
  while (hwnd && !hwnd->m_oswindow) hwnd=hwnd->m_parent;
  if (hwnd && hwnd->m_oswindow != SWELL_focused_oswindow)
  {
    SWELL_focused_oswindow = hwnd->m_oswindow;
  }
}

void swell_recalcMinMaxInfo(HWND hwnd)
{
}


void SWELL_initargs(int *argc, char ***argv)
{
}

void swell_oswindow_updatetoscreen(HWND hwnd, RECT *rect)
{
}

void swell_oswindow_manage(HWND hwnd, bool wantfocus)
{
  if (!hwnd) return;

  bool isVis = !!hwnd->m_oswindow;
  bool wantVis = !hwnd->m_parent && hwnd->m_visible;

  if (isVis != wantVis)
  {
    if (!wantVis) swell_oswindow_destroy(hwnd);
    else 
    {
       // generic implementation
      hwnd->m_oswindow = hwnd;
      if (wantfocus) swell_oswindow_focus(hwnd);
    }
  }
  if (wantVis) swell_oswindow_update_text(hwnd);
}

void SWELL_RunEvents()
{
}


void swell_oswindow_update_style(HWND hwnd, LONG oldstyle)
{
}

void swell_oswindow_update_enable(HWND hwnd)
{
}

int SWELL_SetWindowLevel(HWND hwnd, int newlevel)
{
  int rv=0;
  if (hwnd)
  {
    rv = hwnd->m_israised ? 1 : 0;
    hwnd->m_israised = newlevel>0;
  }
  return rv;
}

void SWELL_GetViewPort(RECT *r, const RECT *sourcerect, bool wantWork)
{
  r->left=r->top=0;
  r->right=1024;
  r->bottom=768;
}


bool GetWindowRect(HWND hwnd, RECT *r)
{
  if (!hwnd) return false;
  if (hwnd->m_oswindow)
  {
    *r = hwnd->m_position;
    return true;
  }

  r->left=r->top=0; 
  ClientToScreen(hwnd,(LPPOINT)r);
  r->right = r->left + hwnd->m_position.right - hwnd->m_position.left;
  r->bottom = r->top + hwnd->m_position.bottom - hwnd->m_position.top;
  return true;
}

void swell_oswindow_begin_resize(SWELL_OSWINDOW wnd) { }
void swell_oswindow_resize(SWELL_OSWINDOW wnd, int reposflag, RECT f) { }
void swell_oswindow_postresize(HWND hwnd, RECT f) { }
void swell_oswindow_invalidate(HWND hwnd, const RECT *r) { }

void UpdateWindow(HWND hwnd) { }

static WDL_IntKeyedArray<HANDLE> m_clip_recs(GlobalFree);
static WDL_PtrList<char> m_clip_curfmts;

bool OpenClipboard(HWND hwndDlg)
{ 
  RegisterClipboardFormat(NULL);
  return true; 
}

void CloseClipboard() { }

UINT EnumClipboardFormats(UINT lastfmt)
{
  int x=0;
  for (;;)
  {
    int fmt=0;
    if (!m_clip_recs.Enumerate(x++,&fmt)) return 0;
    if (lastfmt == 0) return fmt;

    if ((UINT)fmt == lastfmt) return m_clip_recs.Enumerate(x++,&fmt) ? fmt : 0;
  }
}

HANDLE GetClipboardData(UINT type)
{
  return m_clip_recs.Get(type);
}


void EmptyClipboard()
{
  m_clip_recs.DeleteAll();
}

void SetClipboardData(UINT type, HANDLE h)
{
  if (h) m_clip_recs.Insert(type,h);
  else m_clip_recs.Delete(type);
}

UINT RegisterClipboardFormat(const char *desc)
{
  if (!m_clip_curfmts.GetSize())
  {
    m_clip_curfmts.Add(strdup("SWELL__CF_TEXT"));
    m_clip_curfmts.Add(strdup("SWELL__CF_HDROP"));
  }
  if (!desc || !*desc) return 0;
  int x;
  const int n = m_clip_curfmts.GetSize();
  for(x=0;x<n;x++) 
    if (!strcmp(m_clip_curfmts.Get(x),desc)) return x + 1;
  m_clip_curfmts.Add(strdup(desc));
  return n+1;
}


void GetCursorPos(POINT *pt)
{
  pt->x=0;
  pt->y=0;
}


WORD GetAsyncKeyState(int key)
{
  return 0;
}


DWORD GetMessagePos()
{  
  return 0;
}

HWND SWELL_CreateXBridgeWindow(HWND viewpar, void **wref, const RECT *r)
{
  *wref = NULL;
  return NULL;
}



void SWELL_InitiateDragDrop(HWND hwnd, RECT* srcrect, const char* srcfn, void (*callback)(const char* dropfn))
{
}

// owner owns srclist, make copies here etc
void SWELL_InitiateDragDropOfFileList(HWND hwnd, RECT *srcrect, const char **srclist, int srccount, HICON icon)
{
}

void SWELL_FinishDragDrop() { }

static HCURSOR m_last_setcursor;

void SWELL_SetCursor(HCURSOR curs)
{
  m_last_setcursor=curs;
}

HCURSOR SWELL_GetCursor()
{
  return m_last_setcursor;
}
HCURSOR SWELL_GetLastSetCursor()
{
  return m_last_setcursor;
}

static int m_curvis_cnt;
bool SWELL_IsCursorVisible()
{
  return m_curvis_cnt>=0;
}

int SWELL_ShowCursor(BOOL bShow)
{
  m_curvis_cnt += (bShow?1:-1);
  return m_curvis_cnt;
}

BOOL SWELL_SetCursorPos(int X, int Y)
{  
  return false;
}

HCURSOR SWELL_LoadCursorFromFile(const char *fn)
{
  return NULL;
}


static SWELL_CursorResourceIndex *SWELL_curmodule_cursorresource_head;

HCURSOR SWELL_LoadCursor(const char *_idx)
{
  return NULL;
}



void SWELL_Register_Cursor_Resource(const char *idx, const char *name, int hotspot_x, int hotspot_y)
{
  SWELL_CursorResourceIndex *ri = (SWELL_CursorResourceIndex*)malloc(sizeof(SWELL_CursorResourceIndex));
  ri->hotspot.x = hotspot_x;
  ri->hotspot.y = hotspot_y;
  ri->resname=name;
  ri->cachedCursor=0;
  ri->resid = idx;
  ri->_next = SWELL_curmodule_cursorresource_head;
  SWELL_curmodule_cursorresource_head = ri;
}

int SWELL_KeyToASCII(int wParam, int lParam, int *newflags)
{
  return 0;
}

int swell_is_app_inactive() { return 0; }

void *SWELL_GetOSWindow(HWND hwnd, const char *type) { return NULL; }
void *SWELL_GetOSEvent(const char *type) { return NULL; }

#endif
#endif