Win32 version of GDK source files and resource files (cursors and icons).

gdk/win32/gdk.c

+/* GDK - The GIMP Drawing Kit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Copyright (C) 1998-1999 Tor Lillqvist
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-1999.  See the AUTHORS
+ * file for a list of people on the GTK+ Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <io.h>
+
+#include "gdk.h"
+#include "gdkprivate.h"
+#include "gdkinput.h"
+#include "gdkx.h"
+#include "gdkkeysyms.h"
+#include "gdki18n.h"
+
+static void	 gdkx_XConvertCase	(KeySym	       symbol,
+					 KeySym	      *lower,
+					 KeySym	      *upper);
+#define XConvertCase gdkx_XConvertCase
+
+static void	    gdk_exit_func		 (void);
+
+static RETSIGTYPE   gdk_signal			 (int	       signum);
+
+
+/* Private variable declarations
+ */
+static int gdk_initialized = 0;	/* 1 if the library is initialized,
+				 * 0 otherwise.
+				 */
+static guint start;		/* We use the millisecond
+				 * timestamps from GetTickCount
+				 */
+static gboolean timerp = TRUE;	/* If TRUE use timeouts when waiting
+				 * for Windows messages
+				 */
+static guint32 timer_val = 20;	/* Timeout in milliseconds.
+				 */
+
+#ifdef G_ENABLE_DEBUG
+static const GDebugKey gdk_debug_keys[] = {
+  {"events",	    GDK_DEBUG_EVENTS},
+  {"misc",	    GDK_DEBUG_MISC},
+  {"dnd",	    GDK_DEBUG_DND},
+  {"color-context", GDK_DEBUG_COLOR_CONTEXT},
+  {"xim",	    GDK_DEBUG_XIM},
+  {"selection",	    GDK_DEBUG_SELECTION}
+};
+
+static const int gdk_ndebug_keys = sizeof(gdk_debug_keys)/sizeof(GDebugKey);
+
+#endif /* G_ENABLE_DEBUG */
+
+int __stdcall
+DllMain(HINSTANCE hinstDLL,
+	DWORD dwReason,
+	LPVOID reserved)
+{
+  gdk_DLLInstance = hinstDLL;
+
+  return TRUE;
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_init
+ *
+ *   Initialize the library for use.
+ *
+ * Arguments:
+ *   "argc" is the number of arguments.
+ *   "argv" is an array of strings.
+ *
+ * Results:
+ *   "argc" and "argv" are modified to reflect any arguments
+ *   which were not handled. (Such arguments should either
+ *   be handled by the application or dismissed).
+ *
+ * Side effects:
+ *   The library is initialized.
+ *
+ *--------------------------------------------------------------
+ */
+
+gboolean
+gdk_init_check (int    *argc,
+		char ***argv)
+{
+  HRESULT hres;
+  gint i, j, k;
+  
+  if (gdk_initialized)
+    return TRUE;
+  
+  if (g_thread_supported ())
+    gdk_threads_mutex = g_mutex_new ();
+  
+  start = GetTickCount ();
+
+#ifdef G_ENABLE_DEBUG
+  {
+    gchar *debug_string = getenv("GDK_DEBUG");
+    if (debug_string != NULL)
+      gdk_debug_flags = g_parse_debug_string (debug_string,
+					      (GDebugKey *) gdk_debug_keys,
+					      gdk_ndebug_keys);
+  }
+#endif	/* G_ENABLE_DEBUG */
+  
+  if (getenv ("GDK_IGNORE_WINTAB") != NULL)
+    gdk_input_ignore_wintab = TRUE;
+
+  if (argc && argv)
+    {
+      if (*argc > 0)
+	{
+	  gchar *d;
+	  
+	  d = strrchr((*argv)[0], G_DIR_SEPARATOR);
+	  if (d != NULL)
+	    g_set_prgname (d + 1);
+	  else
+	    g_set_prgname ((*argv)[0]);
+	}
+      
+      for (i = 1; i < *argc;)
+	{
+#ifdef G_ENABLE_DEBUG	  
+	  if ((strcmp ("--gdk-debug", (*argv)[i]) == 0) ||
+	      (strncmp ("--gdk-debug=", (*argv)[i], 12) == 0))
+	    {
+	      gchar *equal_pos = strchr ((*argv)[i], '=');
+	      
+	      if (equal_pos != NULL)
+		{
+		  gdk_debug_flags |= g_parse_debug_string (equal_pos+1,
+							   (GDebugKey *) gdk_debug_keys,
+							   gdk_ndebug_keys);
+		}
+	      else if ((i + 1) < *argc && (*argv)[i + 1])
+		{
+		  gdk_debug_flags |= g_parse_debug_string ((*argv)[i+1],
+							   (GDebugKey *) gdk_debug_keys,
+							   gdk_ndebug_keys);
+		  (*argv)[i] = NULL;
+		  i += 1;
+		}
+	      (*argv)[i] = NULL;
+	    }
+	  else if ((strcmp ("--gdk-no-debug", (*argv)[i]) == 0) ||
+		   (strncmp ("--gdk-no-debug=", (*argv)[i], 15) == 0))
+	    {
+	      gchar *equal_pos = strchr ((*argv)[i], '=');
+
+	      if (equal_pos != NULL)
+		{
+		  gdk_debug_flags &= ~g_parse_debug_string (equal_pos+1,
+							    (GDebugKey *) gdk_debug_keys,
+							    gdk_ndebug_keys);
+		}
+	      else if ((i + 1) < *argc && (*argv)[i + 1])
+		{
+		  gdk_debug_flags &= ~g_parse_debug_string ((*argv)[i+1],
+							    (GDebugKey *) gdk_debug_keys,
+							    gdk_ndebug_keys);
+		  (*argv)[i] = NULL;
+		  i += 1;
+		}
+	      (*argv)[i] = NULL;
+	    }
+	  else 
+#endif /* G_ENABLE_DEBUG */
+	    if (strcmp ("--sync", (*argv)[i]) == 0)
+	      {
+		(*argv)[i] = NULL;
+		GdiSetBatchLimit (1);
+	      }
+	    else if (strcmp ("--name", (*argv)[i]) == 0)
+	      {
+		if ((i + 1) < *argc && (*argv)[i + 1])
+		  {
+		    (*argv)[i++] = NULL;
+		    g_set_prgname ((*argv)[i]);
+		    (*argv)[i] = NULL;
+		  }
+	      }
+	    else if (strcmp ("--gdk-no-wintab", (*argv)[i]) == 0
+		     || strcmp ("--gdk-ignore-wintab", (*argv)[i]) == 0)
+	      {
+		(*argv)[i++] = NULL;
+		gdk_input_ignore_wintab = TRUE;
+	      }
+	  i += 1;
+	}
+      
+      for (i = 1; i < *argc; i++)
+	{
+	  for (k = i; k < *argc; k++)
+	    if ((*argv)[k] != NULL)
+	      break;
+	  
+	  if (k > i)
+	    {
+	      k -= i;
+	      for (j = i + k; j < *argc; j++)
+		(*argv)[j-k] = (*argv)[j];
+	      *argc -= k;
+	    }
+	}
+    }
+  else
+    {
+      g_set_prgname ("<unknown>");
+    }
+  
+  gdk_ProgInstance = GetModuleHandle (NULL);
+  gdk_DC = CreateDC ("DISPLAY", NULL, NULL, NULL);
+
+  gdk_selection_request_msg = RegisterWindowMessage ("gdk-selection-request");
+  gdk_selection_notify_msg = RegisterWindowMessage ("gdk-selection-notify");
+  gdk_selection_clear_msg = RegisterWindowMessage ("gdk-selection-clear");
+
+  gdk_selection_property = gdk_atom_intern ("GDK_SELECTION", FALSE);
+  gdk_clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
+  gdk_win32_dropfiles_atom = gdk_atom_intern ("DROPFILES_DND", FALSE);
+  gdk_ole2_dnd_atom = gdk_atom_intern ("OLE2_DND", FALSE);
+
+  gdk_progclass = g_basename (g_get_prgname ());
+  gdk_progclass[0] = toupper (gdk_progclass[0]);
+
+  gdk_root_window = HWND_DESKTOP;
+
+  g_atexit (gdk_exit_func);
+  
+  gdk_events_init ();
+  gdk_visual_init ();
+  gdk_window_init ();
+  gdk_image_init ();
+  gdk_input_init ();
+  gdk_selection_init ();
+  gdk_dnd_init ();
+
+  gdk_initialized = 1;
+
+  return TRUE;
+}
+
+void
+gdk_init (int *argc, char ***argv)
+{
+  if (!gdk_init_check (argc, argv))
+    {
+      g_warning ("cannot initialize GDK");
+      exit(1);
+    }
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_exit
+ *
+ *   Restores the library to an un-itialized state and exits
+ *   the program using the "exit" system call.
+ *
+ * Arguments:
+ *   "errorcode" is the error value to pass to "exit".
+ *
+ * Results:
+ *   Allocated structures are freed and the program exits
+ *   cleanly.
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+void
+gdk_exit (int errorcode)
+{
+  /* de-initialisation is done by the gdk_exit_func(),
+     no need to do this here (Alex J.) */
+  exit (errorcode);
+}
+
+void
+gdk_set_use_xshm (gint use_xshm)
+{
+  /* Always on */
+}
+
+gint
+gdk_get_use_xshm (void)
+{
+  return TRUE;
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_time_get
+ *
+ *   Get the number of milliseconds since the library was
+ *   initialized.
+ *
+ * Arguments:
+ *
+ * Results:
+ *   The time since the library was initialized is returned.
+ *   This time value is accurate to milliseconds even though
+ *   a more accurate time down to the microsecond could be
+ *   returned.
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+guint32
+gdk_time_get (void)
+{
+  guint32 milliseconds;
+  guint32 end = GetTickCount ();
+
+  if (end < start)
+    milliseconds = 0xFFFFFFFF - (start - end) + 1;
+  else
+    milliseconds = end - start;
+
+  return milliseconds;
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_timer_get
+ *
+ *   Returns the current timer.
+ *
+ * Arguments:
+ *
+ * Results:
+ *   Returns the current timer interval. This interval is
+ *   in units of milliseconds.
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+guint32
+gdk_timer_get (void)
+{
+  return timer_val;
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_timer_set
+ *
+ *   Sets the timer interval.
+ *
+ * Arguments:
+ *   "milliseconds" is the new value for the timer.
+ *
+ * Results:
+ *
+ * Side effects:
+ *   Calls to "gdk_event_get" will last for a maximum
+ *   of time of "milliseconds". However, a value of 0
+ *   milliseconds will cause "gdk_event_get" to block
+ *   indefinately until an event is received.
+ *
+ *--------------------------------------------------------------
+ */
+
+void
+gdk_timer_set (guint32 milliseconds)
+{
+  timer_val = milliseconds;
+#ifdef USE_PEEKNAMEDPIPE
+  /* When using PeekNamedPipe, can't have too long timeouts.
+   */
+  if (timer_val > 10)
+    timer_val = 10;
+  else if (timer_val == 0)
+    timer_val = 0;
+#endif
+}
+
+void
+gdk_timer_enable (void)
+{
+  timerp = TRUE;
+}
+
+void
+gdk_timer_disable (void)
+{
+#ifdef USE_PEEKNAMEDPIPE
+  /* Can't disable timeouts when using PeekNamedPipe */
+#else
+  timerp = FALSE;
+#endif
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_screen_width
+ *
+ *   Return the width of the screen.
+ *
+ * Arguments:
+ *
+ * Results:
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+gint
+gdk_screen_width (void)
+{
+  gint return_val;
+  
+  return_val = gdk_root_parent.width;
+
+  return return_val;
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_screen_height
+ *
+ *   Return the height of the screen.
+ *
+ * Arguments:
+ *
+ * Results:
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+gint
+gdk_screen_height (void)
+{
+  gint return_val;
+  
+  return_val = gdk_root_parent.height;
+
+  return return_val;
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_screen_width_mm
+ *
+ *   Return the width of the screen in millimetres.
+ *
+ * Arguments:
+ *
+ * Results:
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+gint
+gdk_screen_width_mm (void)
+{
+  HDC hdc;
+  gint return_val;
+
+  hdc = GetDC (NULL);
+  return_val = GetDeviceCaps (hdc, HORZSIZE);
+  ReleaseDC (NULL, hdc);
+
+  return return_val;
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_screen_height
+ *
+ *   Return the height of the screen in millimetres.
+ *
+ * Arguments:
+ *
+ * Results:
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+gint
+gdk_screen_height_mm (void)
+{
+  HDC hdc;
+  gint return_val;
+
+  hdc = GetDC (NULL);
+  return_val = GetDeviceCaps (hdc, VERTSIZE);
+  ReleaseDC (NULL, hdc);
+  
+  return return_val;
+}
+
+void
+gdk_key_repeat_disable (void)
+{
+  /* XXX */
+}
+
+void
+gdk_key_repeat_restore (void)
+{
+  /* XXX */
+}
+
+
+/*
+ *--------------------------------------------------------------
+ * gdk_flush
+ *
+ *   Flushes the Xlib output buffer and then waits
+ *   until all requests have been received and processed
+ *   by the X server. The only real use for this function
+ *   is in dealing with XShm.
+ *
+ * Arguments:
+ *
+ * Results:
+ *
+ * Side effects:
+ *
+ *--------------------------------------------------------------
+ */
+
+void
+gdk_flush (void)
+{
+  GdiFlush ();
+}
+
+void
+gdk_beep (void)
+{
+  Beep(1000, 50);
+}
+
+/*
+ *--------------------------------------------------------------
+ * gdk_exit_func
+ *
+ *   This is the "atexit" function that makes sure the
+ *   library gets a chance to cleanup.
+ *
+ * Arguments:
+ *
+ * Results:
+ *
+ * Side effects:
+ *   The library is un-initialized and the program exits.
+ *
+ *--------------------------------------------------------------
+ */
+
+static void
+gdk_exit_func (void)
+{
+  static gboolean in_gdk_exit_func = FALSE;
+  
+  GDK_NOTE (MISC, g_print ("gdk_exit_func\n"));
+  /* This is to avoid an infinite loop if a program segfaults in
+     an atexit() handler (and yes, it does happen, especially if a program
+     has trounced over memory too badly for even g_message to work) */
+  if (in_gdk_exit_func == TRUE)
+    return;
+  in_gdk_exit_func = TRUE;
+  
+  if (gdk_initialized)
+    {
+      gdk_image_exit ();
+      gdk_input_exit ();
+      gdk_key_repeat_restore ();
+      gdk_dnd_exit ();
+      gdk_initialized = 0;
+    }
+}
+
+gchar *
+gdk_get_display(void)
+{
+  return "local:";
+}
+
+/*************************************************************
+ * gdk_error_trap_push:
+ *     Push an error trap. X errors will be trapped until
+ *     the corresponding gdk_error_pop(), which will return
+ *     the error code, if any.
+ *   arguments:
+ *     
+ *   results:
+ *************************************************************/
+
+void
+gdk_error_trap_push (void)
+{
+  /* ??? */
+}
+
+/*************************************************************
+ * gdk_error_trap_pop:
+ *     Pop an error trap added with gdk_error_push()