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gtk/gdk/win32/gdkdisplay-win32.c
Hans Breuer 9002d5c310 updated 
2004-10-29  Hans Breuer  <hans@breuer.org>

	* gdk/makefile.msc gtk/makefile.msc.in : updated

	* gdk/win32/gdkdisplay-win32.c : dummy implementations for
	gdk_display_supports_clipboard_persistence, gdk_display_store_clipboard

	* gtk/gtkmodules.c : #include "gtkprivate.h" for GTK_LIBDIR
2004-10-29 21:44:53 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2002 Hans Breuer
* Copyright (C) 2003 Tor Lillqvist
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#include <config.h>
#include "gdk.h"
#include "gdkprivate-win32.h"
#define HAVE_MONITOR_INFO
#if defined(_MSC_VER) && (WINVER < 0x500) && (WINVER > 0x0400)
#include <multimon.h>
#elif defined(_MSC_VER) && (WINVER <= 0x0400)
#undef HAVE_MONITOR_INFO
#endif
#ifdef HAVE_MONITOR_INFO
typedef BOOL (WINAPI *t_EnumDisplayMonitors)(HDC, LPCRECT, MONITORENUMPROC, LPARAM);
typedef BOOL (WINAPI *t_GetMonitorInfoA)(HMONITOR, LPMONITORINFO);
static t_EnumDisplayMonitors p_EnumDisplayMonitors = NULL;
static t_GetMonitorInfoA p_GetMonitorInfoA = NULL;
#endif
void
_gdk_windowing_set_default_display (GdkDisplay *display)
{
g_assert (_gdk_display == display);
}
#ifdef HAVE_MONITOR_INFO
static BOOL CALLBACK
count_monitor (HMONITOR hmonitor,
HDC hdc,
LPRECT rect,
LPARAM data)
{
gint *n = (gint *) data;
(*n)++;
return TRUE;
}
static BOOL CALLBACK
enum_monitor (HMONITOR hmonitor,
HDC hdc,
LPRECT rect,
LPARAM data)
{
MONITORINFOEX monitor_info;
gint *index = (gint *) data;
GdkRectangle *monitor;
g_assert (*index < _gdk_num_monitors);
monitor = _gdk_monitors + *index;
monitor_info.cbSize = sizeof (MONITORINFOEX);
(*p_GetMonitorInfoA) (hmonitor, (MONITORINFO *) &monitor_info);
#ifndef MONITORINFOF_PRIMARY
#define MONITORINFOF_PRIMARY 1
#endif
monitor->x = monitor_info.rcMonitor.left;
monitor->y = monitor_info.rcMonitor.top;
monitor->width = monitor_info.rcMonitor.right - monitor_info.rcMonitor.left;
monitor->height = monitor_info.rcMonitor.bottom - monitor_info.rcMonitor.top;
if (monitor_info.dwFlags & MONITORINFOF_PRIMARY &&
*index != 0)
{
/* Put primary monitor at index 0, just in case somebody needs
* to know which one is the primary.
*/
GdkRectangle temp = *monitor;
*monitor = _gdk_monitors[0];
_gdk_monitors[0] = temp;
}
(*index)++;
return TRUE;
}
#endif /* HAVE_MONITOR_INFO */
void
_gdk_monitor_init (void)
{
#ifdef HAVE_MONITOR_INFO
static HMODULE user32 = NULL;
if (user32 == NULL)
{
user32 = GetModuleHandle ("user32.dll");
g_assert (user32 != NULL);
p_EnumDisplayMonitors = (t_EnumDisplayMonitors) GetProcAddress (user32, "EnumDisplayMonitors");
p_GetMonitorInfoA = (t_GetMonitorInfoA) GetProcAddress (user32, "GetMonitorInfoA");
}
if (p_EnumDisplayMonitors != NULL && p_GetMonitorInfoA != NULL)
{
gint i, index;
_gdk_num_monitors = 0;
(*p_EnumDisplayMonitors) (NULL, NULL, count_monitor, (LPARAM) &_gdk_num_monitors);
_gdk_monitors = g_renew (GdkRectangle, _gdk_monitors, _gdk_num_monitors);
index = 0;
(*p_EnumDisplayMonitors) (NULL, NULL, enum_monitor, (LPARAM) &index);
_gdk_offset_x = G_MININT;
_gdk_offset_y = G_MININT;
/* Calculate offset */
for (i = 0; i < _gdk_num_monitors; i++)
{
_gdk_offset_x = MAX (_gdk_offset_x, -_gdk_monitors[i].x);
_gdk_offset_y = MAX (_gdk_offset_y, -_gdk_monitors[i].y);
}
GDK_NOTE (MISC, g_print ("Multi-monitor offset: (%d,%d)\n",
_gdk_offset_x, _gdk_offset_y));
/* Translate monitor coords into GDK coordinate space */
for (i = 0; i < _gdk_num_monitors; i++)
{
_gdk_monitors[i].x += _gdk_offset_x;
_gdk_monitors[i].y += _gdk_offset_y;
GDK_NOTE (MISC, g_print ("Monitor %d: %dx%d@+%d+%d\n",
i, _gdk_monitors[i].width,
_gdk_monitors[i].height,
_gdk_monitors[i].x, _gdk_monitors[i].y));
}
}
else
#endif /* HAVE_MONITOR_INFO */
{
unsigned int width, height;
_gdk_num_monitors = 1;
_gdk_monitors = g_renew (GdkRectangle, _gdk_monitors, 1);
width = GetSystemMetrics (SM_CXSCREEN);
height = GetSystemMetrics (SM_CYSCREEN);
_gdk_monitors[0].x = 0;
_gdk_monitors[0].y = 0;
_gdk_monitors[0].width = width;
_gdk_monitors[0].height = height;
_gdk_offset_x = 0;
_gdk_offset_y = 0;
}
}
GdkDisplay *
gdk_display_open (const gchar *display_name)
{
if (_gdk_display != NULL)
return NULL; /* single display only */
_gdk_display = g_object_new (GDK_TYPE_DISPLAY, NULL);
_gdk_screen = g_object_new (GDK_TYPE_SCREEN, NULL);
_gdk_monitor_init ();
_gdk_visual_init ();
gdk_screen_set_default_colormap (_gdk_screen,
gdk_screen_get_system_colormap (_gdk_screen));
_gdk_windowing_window_init ();
_gdk_windowing_image_init ();
_gdk_events_init ();
_gdk_input_init (_gdk_display);
_gdk_dnd_init ();
g_signal_emit_by_name (gdk_display_manager_get (),
"display_opened", _gdk_display);
return _gdk_display;
}
G_CONST_RETURN gchar *
gdk_display_get_name (GdkDisplay *display)
{
return gdk_get_display_arg_name ();
}
gint
gdk_display_get_n_screens (GdkDisplay *display)
{
return 1;
}
GdkScreen *
gdk_display_get_screen (GdkDisplay *display,
gint screen_num)
{
return _gdk_screen;
}
GdkScreen *
gdk_display_get_default_screen (GdkDisplay *display)
{
return _gdk_screen;
}
GdkWindow *
gdk_display_get_default_group (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
g_warning ("gdk_display_get_default_group not yet implemented");
return NULL;
}
gboolean
gdk_display_supports_selection_notification (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
return TRUE;
}
static HWND _hwnd_next_viewer = NULL;
/*
* maybe this should be integrated with the default message loop - or maybe not ;-)
*/
static LRESULT CALLBACK
_win32_on_clipboard_change (HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam)
{
switch (message)
{
case WM_DESTROY : /* remove us from chain */
{
ChangeClipboardChain (hwnd, _hwnd_next_viewer);
return 0;
}
case WM_CHANGECBCHAIN :
{
HWND hwndRemove = (HWND) wparam; /* handle of window being removed */
HWND hwndNext = (HWND) lparam; /* handle of next window in chain */
if (hwndRemove == _hwnd_next_viewer)
_hwnd_next_viewer = hwndNext == hwnd ? NULL : hwndNext;
return 0;
}
case WM_DRAWCLIPBOARD :
{
/* create the appropriate gdk events */
HWND hwndOwner = GetClipboardOwner ();
UINT nFormat = 0;
int n = 0;
if (OpenClipboard (hwnd))
{
for (; 0 != (nFormat = EnumClipboardFormats (nFormat)); )
{
char sFormat[80];
if (GetClipboardFormatName (nFormat, sFormat, 80) > 0)
g_print ("%s ", sFormat);
n++; /* do something useful ? */
}
GDK_NOTE (DND,
g_print ("WM_DRAWCLIPBOARD : formats %d owner %#lx\n", n, hwndOwner));
CloseClipboard ();
}
/* XXX: generate the apropriate GdkEventOwnerChange ... */
/* don't break the chain */
return PostMessage (_hwnd_next_viewer, message, wparam, lparam);
}
default :
return DefWindowProc (hwnd, message, wparam, lparam);
}
}
/*
* Creates a hidden window and adds it to the clipboard chain
*/
HWND
_gdk_win32_register_clipboard_notification (void)
{
WNDCLASS wclass;
HWND hwnd;
ATOM klass;
memset (&wclass, 0, sizeof(WNDCLASS));
wclass.lpszClassName = "GdkClipboardNotification";
wclass.lpfnWndProc = _win32_on_clipboard_change;
wclass.hInstance = _gdk_app_hmodule;
klass = RegisterClass (&wclass);
if (!klass)
return NULL;
hwnd = CreateWindow (MAKEINTRESOURCE(klass),
NULL, WS_POPUP,
0, 0, 0, 0, NULL, NULL,
_gdk_app_hmodule, NULL);
if (!hwnd)
{
UnregisterClass (MAKEINTRESOURCE(klass), _gdk_app_hmodule);
return NULL;
}
_hwnd_next_viewer = SetClipboardViewer (hwnd);
return hwnd;
}
/*
* The whole function would only make sense if the gdk/win32 clipboard
* model is rewritten to do delayed rendering. Currently this is only
* testcode and as noted in
* http://mail.gnome.org/archives/gtk-devel-list/2004-May/msg00113.html
* probably not worth bothering ;)
*/
gboolean
gdk_display_request_selection_notification (GdkDisplay *display,
GdkAtom selection)
{
static HWND hwndViewer = NULL;
gboolean ret = FALSE;
GDK_NOTE (DND,
g_print ("gdk_display_request_selection_notification (..., %s)",
gdk_atom_name (selection)));
if (GDK_SELECTION_CLIPBOARD == selection)
{
if (!hwndViewer)
{
hwndViewer = _gdk_win32_register_clipboard_notification ();
GDK_NOTE (DND, g_print (" registered"));
}
ret = (hwndViewer != NULL);
}
else if (GDK_SELECTION_PRIMARY == selection)
{
/* seems to work by default ? */
GDK_NOTE (DND, g_print (" by default"));
ret = TRUE;
}
GDK_NOTE (DND, g_print (" -> %s\n", ret ? "TRUE" : "FALSE"));
return ret;
}
gboolean
gdk_display_supports_clipboard_persistence (GdkDisplay *display)
{
return FALSE;
}
void
gdk_display_store_clipboard (GdkDisplay *display,
GdkWindow *clipboard_window,
guint32 time_,
GdkAtom *targets,
gint n_targets)
{
/* XXX: implement it (or maybe not as long as we don't support delayed rendering?) */
}
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