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gtk/gdk/win32/gdkdisplay-win32.c

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2002,2005 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdk.h"
#include "gdkprivate-win32.h"
#include "gdkdisplayprivate.h"
#include "gdkwin32display.h"
#include "gdkwin32screen.h"
#include "gdkwin32window.h"
#include "gdkwin32.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
void
_gdk_windowing_set_default_display (GdkDisplay *display)
{
g_assert (display == NULL || _gdk_display == display);
}
static gulong
gdk_win32_display_get_next_serial (GdkDisplay *display)
{
return 0;
}
#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)
{
/* The struct MONITORINFOEX definition is for some reason different
* in the winuser.h bundled with mingw64 from that in MSDN and the
* official 32-bit mingw (the MONITORINFO part is in a separate "mi"
* member). So to keep this easily compileable with either, repeat
* the MSDN definition it here.
*/
typedef struct tagMONITORINFOEXA2 {
DWORD cbSize;
RECT rcMonitor;
RECT rcWork;
DWORD dwFlags;
CHAR szDevice[CCHDEVICENAME];
} MONITORINFOEXA2;
MONITORINFOEXA2 monitor_info;
HDC hDC;
gint *index = (gint *) data;
GdkWin32Monitor *monitor;
g_assert (*index < _gdk_num_monitors);
monitor = _gdk_monitors + *index;
monitor_info.cbSize = sizeof (MONITORINFOEX);
GetMonitorInfoA (hmonitor, (MONITORINFO *) &monitor_info);
#ifndef MONITORINFOF_PRIMARY
#define MONITORINFOF_PRIMARY 1
#endif
monitor->name = g_strdup (monitor_info.szDevice);
hDC = CreateDCA ("DISPLAY", monitor_info.szDevice, NULL, NULL);
monitor->width_mm = GetDeviceCaps (hDC, HORZSIZE);
monitor->height_mm = GetDeviceCaps (hDC, VERTSIZE);
DeleteDC (hDC);
monitor->rect.x = monitor_info.rcMonitor.left;
monitor->rect.y = monitor_info.rcMonitor.top;
monitor->rect.width = monitor_info.rcMonitor.right - monitor_info.rcMonitor.left;
monitor->rect.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.
*/
GdkWin32Monitor 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
gint i, index;
_gdk_num_monitors = 0;
EnumDisplayMonitors (NULL, NULL, count_monitor, (LPARAM) &_gdk_num_monitors);
_gdk_monitors = g_renew (GdkWin32Monitor, _gdk_monitors, _gdk_num_monitors);
index = 0;
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].rect.x);
_gdk_offset_y = MAX (_gdk_offset_y, -_gdk_monitors[i].rect.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].rect.x += _gdk_offset_x;
_gdk_monitors[i].rect.y += _gdk_offset_y;
GDK_NOTE (MISC, g_print ("Monitor %d: %dx%d@%+d%+d\n",
i, _gdk_monitors[i].rect.width,
_gdk_monitors[i].rect.height,
_gdk_monitors[i].rect.x,
_gdk_monitors[i].rect.y));
}
#else
HDC hDC;
_gdk_num_monitors = 1;
_gdk_monitors = g_renew (GdkWin32Monitor, _gdk_monitors, 1);
_gdk_monitors[0].name = g_strdup ("DISPLAY");
hDC = GetDC (NULL);
_gdk_monitors[0].width_mm = GetDeviceCaps (hDC, HORZSIZE);
_gdk_monitors[0].height_mm = GetDeviceCaps (hDC, VERTSIZE);
ReleaseDC (NULL, hDC);
_gdk_monitors[0].rect.x = 0;
_gdk_monitors[0].rect.y = 0;
_gdk_monitors[0].rect.width = GetSystemMetrics (SM_CXSCREEN);
_gdk_monitors[0].rect.height = GetSystemMetrics (SM_CYSCREEN);
_gdk_offset_x = 0;
_gdk_offset_y = 0;
#endif
}
GdkDisplay *
_gdk_win32_display_open (const gchar *display_name)
{
GDK_NOTE (MISC, g_print ("gdk_display_open: %s\n", (display_name ? display_name : "NULL")));
if (display_name == NULL ||
g_ascii_strcasecmp (display_name,
gdk_display_get_name (_gdk_display)) == 0)
{
if (_gdk_display != NULL)
{
GDK_NOTE (MISC, g_print ("... return _gdk_display\n"));
return _gdk_display;
}
}
else
{
GDK_NOTE (MISC, g_print ("... return NULL\n"));
return NULL;
}
_gdk_display = g_object_new (GDK_TYPE_WIN32_DISPLAY, NULL);
_gdk_screen = g_object_new (GDK_TYPE_WIN32_SCREEN, NULL);
_gdk_monitor_init ();
_gdk_visual_init (_gdk_screen);
_gdk_windowing_window_init (_gdk_screen);
_gdk_events_init ();
_gdk_input_init (_gdk_display);
_gdk_dnd_init ();
/* Precalculate display name */
(void) gdk_display_get_name (_gdk_display);
g_signal_emit_by_name (_gdk_display, "opened");
GDK_NOTE (MISC, g_print ("... _gdk_display now set up\n"));
return _gdk_display;
}
struct _GdkWin32Display
{
GdkDisplay display;
};
struct _GdkWin32DisplayClass
{
GdkDisplayClass display_class;
};
G_DEFINE_TYPE (GdkWin32Display, gdk_win32_display, GDK_TYPE_DISPLAY)
static const gchar *
gdk_win32_display_get_name (GdkDisplay *display)
{
HDESK hdesk = GetThreadDesktop (GetCurrentThreadId ());
char dummy;
char *desktop_name;
HWINSTA hwinsta = GetProcessWindowStation ();
char *window_station_name;
DWORD n;
DWORD session_id;
char *display_name;
static const char *display_name_cache = NULL;
typedef BOOL (WINAPI *PFN_ProcessIdToSessionId) (DWORD, DWORD *);
PFN_ProcessIdToSessionId processIdToSessionId;
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
if (display_name_cache != NULL)
return display_name_cache;
n = 0;
GetUserObjectInformation (hdesk, UOI_NAME, &dummy, 0, &n);
if (n == 0)
desktop_name = "Default";
else
{
n++;
desktop_name = g_alloca (n + 1);
memset (desktop_name, 0, n + 1);
if (!GetUserObjectInformation (hdesk, UOI_NAME, desktop_name, n, &n))
desktop_name = "Default";
}
n = 0;
GetUserObjectInformation (hwinsta, UOI_NAME, &dummy, 0, &n);
if (n == 0)
window_station_name = "WinSta0";
else
{
n++;
window_station_name = g_alloca (n + 1);
memset (window_station_name, 0, n + 1);
if (!GetUserObjectInformation (hwinsta, UOI_NAME, window_station_name, n, &n))
window_station_name = "WinSta0";
}
processIdToSessionId = (PFN_ProcessIdToSessionId) GetProcAddress (GetModuleHandle ("kernel32.dll"), "ProcessIdToSessionId");
if (!processIdToSessionId || !processIdToSessionId (GetCurrentProcessId (), &session_id))
session_id = 0;
display_name = g_strdup_printf ("%ld\\%s\\%s",
session_id,
window_station_name,
desktop_name);
GDK_NOTE (MISC, g_print ("gdk_win32_display_get_name: %s\n", display_name));
display_name_cache = display_name;
return display_name_cache;
}
static GdkScreen *
gdk_win32_display_get_default_screen (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return _gdk_screen;
}
static GdkWindow *
gdk_win32_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;
}
static gboolean
gdk_win32_display_supports_selection_notification (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
return TRUE;
}
static HWND _hwnd_next_viewer = NULL;
static int debug_indent = 0;
/*
* maybe this should be integrated with the default message loop - or maybe not ;-)
*/
static LRESULT CALLBACK
inner_clipboard_window_procedure (HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam)
{
switch (message)
{
case WM_DESTROY: /* remove us from chain */
{
ChangeClipboardChain (hwnd, _hwnd_next_viewer);
PostQuitMessage (0);
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;
else if (_hwnd_next_viewer != NULL)
return SendMessage (_hwnd_next_viewer, message, wparam, lparam);
return 0;
}
#ifdef WM_CLIPBOARDUPDATE
case WM_CLIPBOARDUPDATE:
#endif
case WM_DRAWCLIPBOARD:
{
int success;
HWND hwndOwner;
#ifdef G_ENABLE_DEBUG
UINT nFormat = 0;
#endif
GdkEvent *event;
GdkWindow *owner;
success = OpenClipboard (hwnd);
g_return_val_if_fail (success, 0);
hwndOwner = GetClipboardOwner ();
owner = gdk_win32_window_lookup_for_display (_gdk_display, hwndOwner);
if (owner == NULL)
owner = gdk_win32_window_foreign_new_for_display (_gdk_display, hwndOwner);
GDK_NOTE (DND, g_print (" drawclipboard owner: %p", hwndOwner));
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_DND)
{
while ((nFormat = EnumClipboardFormats (nFormat)) != 0)
g_print ("%s ", _gdk_win32_cf_to_string (nFormat));
}
#endif
GDK_NOTE (DND, g_print (" \n"));
event = gdk_event_new (GDK_OWNER_CHANGE);
event->owner_change.window = _gdk_root;
event->owner_change.owner = owner;
event->owner_change.reason = GDK_OWNER_CHANGE_NEW_OWNER;
event->owner_change.selection = GDK_SELECTION_CLIPBOARD;
event->owner_change.time = _gdk_win32_get_next_tick (0);
event->owner_change.selection_time = GDK_CURRENT_TIME;
_gdk_win32_append_event (event);
CloseClipboard ();
if (_hwnd_next_viewer != NULL)
return SendMessage (_hwnd_next_viewer, message, wparam, lparam);
/* clear error to avoid confusing SetClipboardViewer() return */
SetLastError (0);
return 0;
}
default:
/* Otherwise call DefWindowProcW(). */
GDK_NOTE (EVENTS, g_print (" DefWindowProcW"));
return DefWindowProc (hwnd, message, wparam, lparam);
}
}
static LRESULT CALLBACK
_clipboard_window_procedure (HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam)
{
LRESULT retval;
GDK_NOTE (EVENTS, g_print ("%s%*s%s %p",
(debug_indent > 0 ? "\n" : ""),
debug_indent, "",
_gdk_win32_message_to_string (message), hwnd));
debug_indent += 2;
retval = inner_clipboard_window_procedure (hwnd, message, wparam, lparam);
debug_indent -= 2;
GDK_NOTE (EVENTS, g_print (" => %I64d%s", (gint64) retval, (debug_indent == 0 ? "\n" : "")));
return retval;
}
/*
* Creates a hidden window and adds it to the clipboard chain
*/
static HWND
_gdk_win32_register_clipboard_notification (void)
{
WNDCLASS wclass = { 0, };
HWND hwnd;
ATOM klass;
wclass.lpszClassName = "GdkClipboardNotification";
wclass.lpfnWndProc = _clipboard_window_procedure;
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)
goto failed;
SetLastError (0);
_hwnd_next_viewer = SetClipboardViewer (hwnd);
if (_hwnd_next_viewer == NULL && GetLastError() != 0)
goto failed;
/* FIXME: http://msdn.microsoft.com/en-us/library/ms649033(v=VS.85).aspx */
/* This is only supported by Vista, and not yet by mingw64 */
/* if (AddClipboardFormatListener (hwnd) == FALSE) */
/* goto failed; */
return hwnd;
failed:
g_critical ("Failed to install clipboard viewer");
UnregisterClass (MAKEINTRESOURCE (klass), _gdk_app_hmodule);
return NULL;
}
static gboolean
gdk_win32_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 (selection == GDK_SELECTION_CLIPBOARD ||
selection == GDK_SELECTION_PRIMARY)
{
if (!hwndViewer)
{
hwndViewer = _gdk_win32_register_clipboard_notification ();
GDK_NOTE (DND, g_print (" registered"));
}
ret = (hwndViewer != NULL);
}
else
{
GDK_NOTE (DND, g_print (" unsupported"));
ret = FALSE;
}
GDK_NOTE (DND, g_print (" -> %s\n", ret ? "TRUE" : "FALSE"));
return ret;
}
static gboolean
gdk_win32_display_supports_clipboard_persistence (GdkDisplay *display)
{
return FALSE;
}
static void
gdk_win32_display_store_clipboard (GdkDisplay *display,
GdkWindow *clipboard_window,
guint32 time_,
const GdkAtom *targets,
gint n_targets)
{
}
static gboolean
gdk_win32_display_supports_shapes (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
return TRUE;
}
static gboolean
gdk_win32_display_supports_input_shapes (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
/* Not yet implemented. See comment in
* gdk_window_input_shape_combine_mask().
*/
return FALSE;
}
static gboolean
gdk_win32_display_supports_composite (GdkDisplay *display)
{
return FALSE;
}
static void
gdk_win32_display_beep (GdkDisplay *display)
{
g_return_if_fail (display == gdk_display_get_default());
if (!MessageBeep (-1))
Beep(1000, 50);
}
static void
gdk_win32_display_flush (GdkDisplay * display)
{
g_return_if_fail (display == _gdk_display);
GdiFlush ();
}
static void
gdk_win32_display_sync (GdkDisplay * display)
{
g_return_if_fail (display == _gdk_display);
GdiFlush ();
}
static void
gdk_win32_display_dispose (GObject *object)
{
}
static void
gdk_win32_display_finalize (GObject *object)
{
}
static void
gdk_win32_display_init(GdkWin32Display *display)
{
}
static void
gdk_win32_display_before_process_all_updates (GdkDisplay *display)
{
/* nothing */
}
static void
gdk_win32_display_after_process_all_updates (GdkDisplay *display)
{
/* nothing */
}
static void
gdk_win32_display_notify_startup_complete (GdkDisplay *display,
const gchar *startup_id)
{
/* nothing */
}
static void
gdk_win32_display_event_data_copy (GdkDisplay *display,
const GdkEvent *src,
GdkEvent *dst)
{
/* nothing */
}
static void
gdk_win32_display_event_data_free (GdkDisplay *display,
GdkEvent *event)
{
/* nothing */
}
static void
gdk_win32_display_push_error_trap (GdkDisplay *display)
{
/* nothing */
}
static gint
gdk_win32_display_pop_error_trap (GdkDisplay *display,
gboolean ignored)
{
return 0;
}
static void
gdk_win32_display_class_init (GdkWin32DisplayClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (klass);
object_class->dispose = gdk_win32_display_dispose;
object_class->finalize = gdk_win32_display_finalize;
display_class->window_type = GDK_TYPE_WIN32_WINDOW;
display_class->get_name = gdk_win32_display_get_name;
display_class->get_default_screen = gdk_win32_display_get_default_screen;
display_class->beep = gdk_win32_display_beep;
display_class->sync = gdk_win32_display_sync;
display_class->flush = gdk_win32_display_flush;
display_class->has_pending = _gdk_win32_display_has_pending;
display_class->queue_events = _gdk_win32_display_queue_events;
display_class->get_default_group = gdk_win32_display_get_default_group;
display_class->supports_selection_notification = gdk_win32_display_supports_selection_notification;
display_class->request_selection_notification = gdk_win32_display_request_selection_notification;
display_class->supports_clipboard_persistence = gdk_win32_display_supports_clipboard_persistence;
display_class->store_clipboard = gdk_win32_display_store_clipboard;
display_class->supports_shapes = gdk_win32_display_supports_shapes;
display_class->supports_input_shapes = gdk_win32_display_supports_input_shapes;
display_class->supports_composite = gdk_win32_display_supports_composite;
display_class->list_devices = _gdk_win32_display_list_devices;
//? display_class->get_app_launch_context = _gdk_win32_display_get_app_launch_context;
display_class->get_cursor_for_type = _gdk_win32_display_get_cursor_for_type;
display_class->get_cursor_for_name = _gdk_win32_display_get_cursor_for_name;
display_class->get_cursor_for_pixbuf = _gdk_win32_display_get_cursor_for_pixbuf;
display_class->get_default_cursor_size = _gdk_win32_display_get_default_cursor_size;
display_class->get_maximal_cursor_size = _gdk_win32_display_get_maximal_cursor_size;
display_class->supports_cursor_alpha = _gdk_win32_display_supports_cursor_alpha;
display_class->supports_cursor_color = _gdk_win32_display_supports_cursor_color;
display_class->before_process_all_updates = gdk_win32_display_before_process_all_updates;
display_class->after_process_all_updates = gdk_win32_display_after_process_all_updates;
display_class->get_next_serial = gdk_win32_display_get_next_serial;
display_class->notify_startup_complete = gdk_win32_display_notify_startup_complete;
display_class->event_data_copy = gdk_win32_display_event_data_copy;
display_class->event_data_free = gdk_win32_display_event_data_free;
display_class->create_window_impl = _gdk_win32_display_create_window_impl;
display_class->get_keymap = _gdk_win32_display_get_keymap;
display_class->push_error_trap = gdk_win32_display_push_error_trap;
display_class->pop_error_trap = gdk_win32_display_pop_error_trap;
display_class->get_selection_owner = _gdk_win32_display_get_selection_owner;
display_class->set_selection_owner = _gdk_win32_display_set_selection_owner;
display_class->send_selection_notify = _gdk_win32_display_send_selection_notify;
display_class->get_selection_property = _gdk_win32_display_get_selection_property;
display_class->convert_selection = _gdk_win32_display_convert_selection;
display_class->text_property_to_utf8_list = _gdk_win32_display_text_property_to_utf8_list;
display_class->utf8_to_string_target = _gdk_win32_display_utf8_to_string_target;
_gdk_win32_windowing_init ();
}
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