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gtk2/gdk/win32/gdkwindow-win32.c
Руслан Ижбулатов 3701a60401 GDK W32: Add a comment for clarity 
This is a copy of a similar comment in another place, which explains
why WS_EX_TRANSPARENT windows get a special treatment.

https://bugzilla.gnome.org/show_bug.cgi?id=758484
2015-11-26 17:58:47 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 1998-2004 Tor Lillqvist
* Copyright (C) 2001-2011 Hans Breuer
* Copyright (C) 2007-2009 Cody Russell
*
* 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/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. 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 <stdlib.h>
#include "gdk.h"
#include "gdkwindowimpl.h"
#include "gdkprivate-win32.h"
#include "gdkdeviceprivate.h"
#include "gdkdevicemanager-win32.h"
#include "gdkenumtypes.h"
#include "gdkwin32.h"
#include "gdkdisplayprivate.h"
#include "gdkvisualprivate.h"
#include "gdkwin32window.h"
#include "gdkglcontext-win32.h"
#include <cairo-win32.h>
#include <dwmapi.h>
static void gdk_window_impl_win32_init (GdkWindowImplWin32 *window);
static void gdk_window_impl_win32_class_init (GdkWindowImplWin32Class *klass);
static void gdk_window_impl_win32_finalize (GObject *object);
static gpointer parent_class = NULL;
static GSList *modal_window_stack = NULL;
static const cairo_user_data_key_t gdk_win32_cairo_key;
typedef struct _FullscreenInfo FullscreenInfo;
struct _FullscreenInfo
{
RECT r;
guint hint_flags;
LONG style;
};
/* Use this for hWndInsertAfter (2nd argument to SetWindowPos()) if
* SWP_NOZORDER flag is used. Otherwise it's unobvious why a particular
* argument is used. Using NULL is misleading, because
* NULL is equivalent to HWND_TOP.
*/
#define SWP_NOZORDER_SPECIFIED HWND_TOP
static void update_style_bits (GdkWindow *window);
static gboolean _gdk_window_get_functions (GdkWindow *window,
GdkWMFunction *functions);
static HDC _gdk_win32_impl_acquire_dc (GdkWindowImplWin32 *impl);
static void _gdk_win32_impl_release_dc (GdkWindowImplWin32 *impl);
#define WINDOW_IS_TOPLEVEL(window) \
(GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_OFFSCREEN)
GdkScreen *
GDK_WINDOW_SCREEN (GObject *win)
{
return _gdk_screen;
}
struct _GdkWin32Window {
GdkWindow parent;
};
struct _GdkWin32WindowClass {
GdkWindowClass parent_class;
};
G_DEFINE_TYPE (GdkWin32Window, gdk_win32_window, GDK_TYPE_WINDOW)
static void
gdk_win32_window_class_init (GdkWin32WindowClass *window_class)
{
}
static void
gdk_win32_window_init (GdkWin32Window *window)
{
}
G_DEFINE_TYPE (GdkWindowImplWin32, gdk_window_impl_win32, GDK_TYPE_WINDOW_IMPL)
GType
_gdk_window_impl_win32_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
const GTypeInfo object_info =
{
sizeof (GdkWindowImplWin32Class),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gdk_window_impl_win32_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GdkWindowImplWin32),
0, /* n_preallocs */
(GInstanceInitFunc) gdk_window_impl_win32_init,
};
object_type = g_type_register_static (GDK_TYPE_WINDOW_IMPL,
"GdkWindowImplWin32",
&object_info, 0);
}
return object_type;
}
static void
gdk_window_impl_win32_init (GdkWindowImplWin32 *impl)
{
impl->toplevel_window_type = -1;
impl->cursor = NULL;
impl->hicon_big = NULL;
impl->hicon_small = NULL;
impl->hint_flags = 0;
impl->type_hint = GDK_WINDOW_TYPE_HINT_NORMAL;
impl->transient_owner = NULL;
impl->transient_children = NULL;
impl->num_transients = 0;
impl->changing_state = FALSE;
}
static void
gdk_window_impl_win32_finalize (GObject *object)
{
GdkWindow *wrapper;
GdkWindowImplWin32 *window_impl;
g_return_if_fail (GDK_IS_WINDOW_IMPL_WIN32 (object));
window_impl = GDK_WINDOW_IMPL_WIN32 (object);
wrapper = window_impl->wrapper;
if (!GDK_WINDOW_DESTROYED (wrapper))
{
gdk_win32_handle_table_remove (window_impl->handle);
}
g_clear_object (&window_impl->cursor);
if (window_impl->hicon_big != NULL)
{
GDI_CALL (DestroyIcon, (window_impl->hicon_big));
window_impl->hicon_big = NULL;
}
if (window_impl->hicon_small != NULL)
{
GDI_CALL (DestroyIcon, (window_impl->hicon_small));
window_impl->hicon_small = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
void
_gdk_win32_adjust_client_rect (GdkWindow *window,
RECT *rect)
{
LONG style, exstyle;
style = GetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE);
exstyle = GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE);
API_CALL (AdjustWindowRectEx, (rect, style, FALSE, exstyle));
}
void
_gdk_root_window_size_init (void)
{
GdkWindow *window;
GdkRectangle rect;
int i;
window = GDK_WINDOW (_gdk_root);
rect = _gdk_monitors[0].rect;
for (i = 1; i < _gdk_num_monitors; i++)
gdk_rectangle_union (&rect, &_gdk_monitors[i].rect, &rect);
window->width = rect.width;
window->height = rect.height;
}
void
_gdk_windowing_window_init (GdkScreen *screen)
{
GdkWindow *window;
GdkWindowImplWin32 *impl_win32;
g_assert (_gdk_root == NULL);
_gdk_root = _gdk_display_create_window (_gdk_display);
window = (GdkWindow *)_gdk_root;
window->impl = g_object_new (GDK_TYPE_WINDOW_IMPL_WIN32, NULL);
impl_win32 = GDK_WINDOW_IMPL_WIN32 (window->impl);
impl_win32->wrapper = window;
window->impl_window = window;
window->visual = gdk_screen_get_system_visual (screen);
window->window_type = GDK_WINDOW_ROOT;
window->depth = window->visual->depth;
_gdk_root_window_size_init ();
window->x = 0;
window->y = 0;
window->abs_x = 0;
window->abs_y = 0;
/* width and height already initialised in _gdk_root_window_size_init() */
window->viewable = TRUE;
gdk_win32_handle_table_insert ((HANDLE *) &impl_win32->handle, _gdk_root);
GDK_NOTE (MISC, g_print ("_gdk_root=%p\n", GDK_WINDOW_HWND (_gdk_root)));
}
gboolean
_gdk_win32_window_enable_transparency (GdkWindow *window)
{
DWM_BLURBEHIND blur_behind;
HRGN empty_region;
HRESULT call_result;
HWND parent, thiswindow;
if (window == NULL || GDK_WINDOW_HWND (window) == NULL)
return FALSE;
if (!gdk_screen_is_composited (gdk_window_get_screen (window)))
return FALSE;
if (window == _gdk_root)
return FALSE;
thiswindow = GDK_WINDOW_HWND (window);
/* Blurbehind only works on toplevel windows */
parent = GetAncestor (thiswindow, GA_PARENT);
if (!(GetWindowLong (thiswindow, GWL_STYLE) & WS_POPUP) &&
(parent == NULL || parent != GetDesktopWindow ()))
return FALSE;
empty_region = CreateRectRgn (0, 0, -1, -1);
if (empty_region == NULL)
return FALSE;
memset (&blur_behind, 0, sizeof (blur_behind));
blur_behind.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
blur_behind.hRgnBlur = empty_region;
blur_behind.fEnable = TRUE;
call_result = DwmEnableBlurBehindWindow (thiswindow, &blur_behind);
if (!SUCCEEDED (call_result))
g_warning ("%s: %s (%p) failed: %" G_GINT32_MODIFIER "x",
G_STRLOC, "DwmEnableBlurBehindWindow", thiswindow, (guint32) call_result);
DeleteObject (empty_region);
return SUCCEEDED (call_result);
}
static const gchar *
get_default_title (void)
{
const char *title;
title = g_get_application_name ();
if (!title)
title = g_get_prgname ();
return title;
}
/* RegisterGdkClass
* is a wrapper function for RegisterWindowClassEx.
* It creates at least one unique class for every
* GdkWindowType. If support for single window-specific icons
* is ever needed (e.g Dialog specific), every such window should
* get its own class
*/
static ATOM
RegisterGdkClass (GdkWindowType wtype, GdkWindowTypeHint wtype_hint)
{
static ATOM klassTOPLEVEL = 0;
static ATOM klassCHILD = 0;
static ATOM klassTEMP = 0;
static ATOM klassTEMPSHADOW = 0;
static HICON hAppIcon = NULL;
static HICON hAppIconSm = NULL;
static WNDCLASSEXW wcl;
ATOM klass = 0;
wcl.cbSize = sizeof (WNDCLASSEX);
wcl.style = 0; /* DON'T set CS_<H,V>REDRAW. It causes total redraw
* on WM_SIZE and WM_MOVE. Flicker, Performance!
*/
wcl.lpfnWndProc = _gdk_win32_window_procedure;
wcl.cbClsExtra = 0;
wcl.cbWndExtra = 0;
wcl.hInstance = _gdk_app_hmodule;
wcl.hIcon = 0;
wcl.hIconSm = 0;
/* initialize once! */
if (0 == hAppIcon && 0 == hAppIconSm)
{
gchar sLoc [MAX_PATH+1];
if (0 != GetModuleFileName (_gdk_app_hmodule, sLoc, MAX_PATH))
{
ExtractIconEx (sLoc, 0, &hAppIcon, &hAppIconSm, 1);
if (0 == hAppIcon && 0 == hAppIconSm)
{
if (0 != GetModuleFileName (_gdk_dll_hinstance, sLoc, MAX_PATH))
{
ExtractIconEx (sLoc, 0, &hAppIcon, &hAppIconSm, 1);
}
}
}
if (0 == hAppIcon && 0 == hAppIconSm)
{
hAppIcon = LoadImage (NULL, IDI_APPLICATION, IMAGE_ICON,
GetSystemMetrics (SM_CXICON),
GetSystemMetrics (SM_CYICON), 0);
hAppIconSm = LoadImage (NULL, IDI_APPLICATION, IMAGE_ICON,
GetSystemMetrics (SM_CXSMICON),
GetSystemMetrics (SM_CYSMICON), 0);
}
}
if (0 == hAppIcon)
hAppIcon = hAppIconSm;
else if (0 == hAppIconSm)
hAppIconSm = hAppIcon;
wcl.lpszMenuName = NULL;
/* initialize once per class */
/*
* HB: Setting the background brush leads to flicker, because we
* don't get asked how to clear the background. This is not what
* we want, at least not for input_only windows ...
*/
#define ONCE_PER_CLASS() \
wcl.hIcon = CopyIcon (hAppIcon); \
wcl.hIconSm = CopyIcon (hAppIconSm); \
wcl.hbrBackground = NULL; \
wcl.hCursor = LoadCursor (NULL, IDC_ARROW);
switch (wtype)
{
case GDK_WINDOW_TOPLEVEL:
/* MSDN: CS_OWNDC is needed for OpenGL contexts */
wcl.style |= CS_OWNDC;
if (0 == klassTOPLEVEL)
{
wcl.lpszClassName = L"gdkWindowToplevel";
ONCE_PER_CLASS ();
klassTOPLEVEL = RegisterClassExW (&wcl);
}
klass = klassTOPLEVEL;
break;
case GDK_WINDOW_CHILD:
if (0 == klassCHILD)
{
wcl.lpszClassName = L"gdkWindowChild";
/* XXX: Find out whether GL Widgets are done for GDK_WINDOW_CHILD
* MSDN says CS_PARENTDC should not be used for GL Context
* creation
*/
wcl.style |= CS_PARENTDC; /* MSDN: ... enhances system performance. */
ONCE_PER_CLASS ();
klassCHILD = RegisterClassExW (&wcl);
}
klass = klassCHILD;
break;
case GDK_WINDOW_TEMP:
if ((wtype_hint == GDK_WINDOW_TYPE_HINT_MENU) ||
(wtype_hint == GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU) ||
(wtype_hint == GDK_WINDOW_TYPE_HINT_POPUP_MENU) ||
(wtype_hint == GDK_WINDOW_TYPE_HINT_TOOLTIP))
{
if (klassTEMPSHADOW == 0)
{
wcl.lpszClassName = L"gdkWindowTempShadow";
wcl.style |= CS_SAVEBITS;
wcl.style |= 0x00020000; /* CS_DROPSHADOW */
ONCE_PER_CLASS ();
klassTEMPSHADOW = RegisterClassExW (&wcl);
}
klass = klassTEMPSHADOW;
}
else
{
if (klassTEMP == 0)
{
wcl.lpszClassName = L"gdkWindowTemp";
wcl.style |= CS_SAVEBITS;
ONCE_PER_CLASS ();
klassTEMP = RegisterClassExW (&wcl);
}
klass = klassTEMP;
}
break;
default:
g_assert_not_reached ();
break;
}
if (klass == 0)
{
WIN32_API_FAILED ("RegisterClassExW");
g_error ("That is a fatal error");
}
return klass;
}
/*
* Create native windows.
*
* With the default Gdk the created windows are mostly toplevel windows.
*
* Placement of the window is derived from the passed in window,
* except for toplevel window where OS/Window Manager placement
* is used.
*
* The visual parameter, is based on GDK_WA_VISUAL if set already.
* From attributes the only things used is: colormap, title,
* wmclass and type_hint. [1]. We are checking redundant information
* and complain if that changes, which would break this implementation
* again.
*
* [1] http://mail.gnome.org/archives/gtk-devel-list/2010-August/msg00214.html
*/
void
_gdk_win32_display_create_window_impl (GdkDisplay *display,
GdkWindow *window,
GdkWindow *real_parent,
GdkScreen *screen,
GdkEventMask event_mask,
GdkWindowAttr *attributes,
gint attributes_mask)
{
HWND hwndNew;
HANDLE hparent;
ATOM klass = 0;
DWORD dwStyle = 0, dwExStyle;
RECT rect;
GdkWindowImplWin32 *impl;
const gchar *title;
wchar_t *wtitle;
gboolean override_redirect;
gint window_width, window_height;
gint offset_x = 0, offset_y = 0;
gint x, y, real_x = 0, real_y = 0;
/* check consistency of redundant information */
guint remaining_mask = attributes_mask;
GDK_NOTE (MISC,
g_print ("_gdk_window_impl_new: %s %s\n",
(window->window_type == GDK_WINDOW_TOPLEVEL ? "TOPLEVEL" :
(window->window_type == GDK_WINDOW_CHILD ? "CHILD" :
(window->window_type == GDK_WINDOW_TEMP ? "TEMP" :
"???"))),
(attributes->wclass == GDK_INPUT_OUTPUT ? "" : "input-only"))
);
/* to ensure to not miss important information some additional check against
* attributes which may silently work on X11 */
if ((attributes_mask & GDK_WA_X) != 0)
{
g_assert (attributes->x == window->x);
remaining_mask &= ~GDK_WA_X;
}
if ((attributes_mask & GDK_WA_Y) != 0)
{
g_assert (attributes->y == window->y);
remaining_mask &= ~GDK_WA_Y;
}
override_redirect = FALSE;
if ((attributes_mask & GDK_WA_NOREDIR) != 0)
{
override_redirect = !!attributes->override_redirect;
remaining_mask &= ~GDK_WA_NOREDIR;
}
if ((remaining_mask & ~(GDK_WA_WMCLASS|GDK_WA_VISUAL|GDK_WA_CURSOR|GDK_WA_TITLE|GDK_WA_TYPE_HINT)) != 0)
g_warning ("_gdk_window_impl_new: uexpected attribute 0x%X",
remaining_mask & ~(GDK_WA_WMCLASS|GDK_WA_VISUAL|GDK_WA_CURSOR|GDK_WA_TITLE|GDK_WA_TYPE_HINT));
hparent = GDK_WINDOW_HWND (real_parent);
impl = g_object_new (GDK_TYPE_WINDOW_IMPL_WIN32, NULL);
impl->wrapper = GDK_WINDOW (window);
window->impl = GDK_WINDOW_IMPL (impl);
if (attributes_mask & GDK_WA_VISUAL)
g_assert ((gdk_screen_get_system_visual (screen) == attributes->visual) ||
(gdk_screen_get_rgba_visual (screen) == attributes->visual));
impl->override_redirect = override_redirect;
/* wclass is not any longer set always, but if is ... */
if ((attributes_mask & GDK_WA_WMCLASS) == GDK_WA_WMCLASS)
g_assert ((attributes->wclass == GDK_INPUT_OUTPUT) == !window->input_only);
if (!window->input_only)
{
dwExStyle = 0;
}
else
{
/* I very much doubt using WS_EX_TRANSPARENT actually
* corresponds to how X11 InputOnly windows work, but it appears
* to work well enough for the actual use cases in gtk.
*/
dwExStyle = WS_EX_TRANSPARENT;
GDK_NOTE (MISC, g_print ("... GDK_INPUT_ONLY\n"));
}
switch (window->window_type)
{
case GDK_WINDOW_TOPLEVEL:
if (GDK_WINDOW_TYPE (window->parent) != GDK_WINDOW_ROOT)
{
/* The common code warns for this case. */
hparent = GetDesktopWindow ();
}
/* Children of foreign windows aren't toplevel windows */
if (GDK_WINDOW_TYPE (real_parent) == GDK_WINDOW_FOREIGN)
{
dwStyle = WS_CHILDWINDOW | WS_CLIPCHILDREN;
}
else
{
/* MSDN: We need WS_CLIPCHILDREN and WS_CLIPSIBLINGS for GL Context Creation */
if (window->window_type == GDK_WINDOW_TOPLEVEL)
dwStyle = WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
else
dwStyle = WS_OVERLAPPED | WS_MINIMIZEBOX | WS_SYSMENU | WS_CAPTION | WS_THICKFRAME | WS_CLIPCHILDREN;
offset_x = _gdk_offset_x;
offset_y = _gdk_offset_y;
}
break;
case GDK_WINDOW_CHILD:
dwStyle = WS_CHILDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
break;
case GDK_WINDOW_TEMP:
/* A temp window is not necessarily a top level window */
dwStyle = (_gdk_root == real_parent ? WS_POPUP : WS_CHILDWINDOW);
dwStyle |= WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
dwExStyle |= WS_EX_TOOLWINDOW | WS_EX_TOPMOST;
offset_x = _gdk_offset_x;
offset_y = _gdk_offset_y;
break;
default:
g_assert_not_reached ();
}
if (window->window_type != GDK_WINDOW_CHILD)
{
rect.left = window->x;
rect.top = window->y;
rect.right = window->width;
rect.bottom = window->height;
AdjustWindowRectEx (&rect, dwStyle, FALSE, dwExStyle);
real_x = window->x - offset_x;
real_y = window->y - offset_y;
if (window->window_type == GDK_WINDOW_TOPLEVEL)
{
/* We initially place it at default so that we can get the
default window positioning if we want */
x = y = CW_USEDEFAULT;
}
else
{
/* TEMP, FOREIGN: Put these where requested */
x = real_x;
y = real_y;
}
window_width = rect.right - rect.left;
window_height = rect.bottom - rect.top;
}
else
{
/* adjust position relative to real_parent */
window_width = window->width;
window_height = window->height;
/* use given position for initial placement, native coordinates */
x = window->x + window->parent->abs_x - offset_x;
y = window->y + window->parent->abs_y - offset_y;
}
if (attributes_mask & GDK_WA_TITLE)
title = attributes->title;
else
title = get_default_title ();
if (!title || !*title)
title = "";
impl->native_event_mask = GDK_STRUCTURE_MASK | event_mask;
if (attributes_mask & GDK_WA_TYPE_HINT)
gdk_window_set_type_hint (window, attributes->type_hint);
if (impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY)
dwExStyle |= WS_EX_TOOLWINDOW;
klass = RegisterGdkClass (window->window_type, impl->type_hint);
wtitle = g_utf8_to_utf16 (title, -1, NULL, NULL, NULL);
hwndNew = CreateWindowExW (dwExStyle,
MAKEINTRESOURCEW (klass),
wtitle,
dwStyle,
x,
y,
window_width, window_height,
hparent,
NULL,
_gdk_app_hmodule,
window);
if (GDK_WINDOW_HWND (window) != hwndNew)
{
g_warning ("gdk_window_new: gdk_event_translate::WM_CREATE (%p, %p) HWND mismatch.",
GDK_WINDOW_HWND (window),
hwndNew);
/* HB: IHMO due to a race condition the handle was increased by
* one, which causes much trouble. Because I can't find the
* real bug, try to workaround it ...
* To reproduce: compile with MSVC 5, DEBUG=1
*/
# if 0
gdk_win32_handle_table_remove (GDK_WINDOW_HWND (window));
GDK_WINDOW_HWND (window) = hwndNew;
gdk_win32_handle_table_insert (&GDK_WINDOW_HWND (window), window);
# else
/* the old behaviour, but with warning */
impl->handle = hwndNew;
# endif
}
if (window->window_type != GDK_WINDOW_CHILD)
{
GetWindowRect (GDK_WINDOW_HWND (window), &rect);
impl->initial_x = rect.left;
impl->initial_y = rect.top;
/* Now we know the initial position, move to actually specified position */
if (real_x != x || real_y != y)
{
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
SWP_NOZORDER_SPECIFIED,
real_x, real_y, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
}
g_object_ref (window);
gdk_win32_handle_table_insert (&GDK_WINDOW_HWND (window), window);
GDK_NOTE (MISC, g_print ("... \"%s\" %dx%d@%+d%+d %p = %p\n",
title,
window_width, window_height,
window->x - offset_x,
window->y - offset_y,
hparent,
GDK_WINDOW_HWND (window)));
/* Add window handle to title */
GDK_NOTE (MISC_OR_EVENTS, gdk_window_set_title (window, title));
g_free (wtitle);
if (impl->handle == NULL)
{
WIN32_API_FAILED ("CreateWindowExW");
g_object_unref (window);
return;
}
// if (!from_set_skip_taskbar_hint && window->window_type == GDK_WINDOW_TEMP)
// gdk_window_set_skip_taskbar_hint (window, TRUE);
if (attributes_mask & GDK_WA_CURSOR)
gdk_window_set_cursor (window, attributes->cursor);
_gdk_win32_window_enable_transparency (window);
}
GdkWindow *
gdk_win32_window_foreign_new_for_display (GdkDisplay *display,
HWND anid)
{
GdkWindow *window;
GdkWindowImplWin32 *impl;
HANDLE parent;
RECT rect;
POINT point;
g_return_val_if_fail (display == _gdk_display, NULL);
if ((window = gdk_win32_window_lookup_for_display (display, anid)) != NULL)
return g_object_ref (window);
window = _gdk_display_create_window (display);
window->visual = gdk_screen_get_system_visual (_gdk_screen);
window->impl = g_object_new (GDK_TYPE_WINDOW_IMPL_WIN32, NULL);
window->impl_window = window;
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
impl->wrapper = window;
parent = GetParent (anid);
window->parent = gdk_win32_handle_table_lookup (parent);
if (!window->parent || GDK_WINDOW_TYPE (window->parent) == GDK_WINDOW_FOREIGN)
window->parent = _gdk_root;
window->parent->children = g_list_concat (&window->children_list_node, window->parent->children);
window->parent->impl_window->native_children =
g_list_prepend (window->parent->impl_window->native_children, window);
GetClientRect ((HWND) anid, &rect);
point.x = rect.left;
point.y = rect.right;
ClientToScreen ((HWND) anid, &point);
if (parent != GetDesktopWindow ())
ScreenToClient (parent, &point);
window->x = point.x;
window->y = point.y;
window->width = rect.right - rect.left;
window->height = rect.bottom - rect.top;
window->window_type = GDK_WINDOW_FOREIGN;
window->destroyed = FALSE;
window->event_mask = GDK_ALL_EVENTS_MASK; /* XXX */
if (IsWindowVisible ((HWND) anid))
window->state &= (~GDK_WINDOW_STATE_WITHDRAWN);
else
window->state |= GDK_WINDOW_STATE_WITHDRAWN;
if (GetWindowLong ((HWND)anid, GWL_EXSTYLE) & WS_EX_TOPMOST)
window->state |= GDK_WINDOW_STATE_ABOVE;
else
window->state &= (~GDK_WINDOW_STATE_ABOVE);
window->state &= (~GDK_WINDOW_STATE_BELOW);
window->viewable = TRUE;
window->depth = gdk_visual_get_system ()->depth;
GDK_WINDOW_HWND (window) = anid;
g_object_ref (window);
gdk_win32_handle_table_insert (&GDK_WINDOW_HWND (window), window);
GDK_NOTE (MISC, g_print ("gdk_win32_window_foreign_new_for_display: %p: %s@%+d%+d\n",
(HWND) anid,
_gdk_win32_window_description (window),
window->x, window->y));
return window;
}
static void
gdk_win32_window_destroy (GdkWindow *window,
gboolean recursing,
gboolean foreign_destroy)
{
GdkWindowImplWin32 *window_impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
GSList *tmp;
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (MISC, g_print ("gdk_win32_window_destroy: %p\n",
GDK_WINDOW_HWND (window)));
/* Remove ourself from the modal stack */
_gdk_remove_modal_window (window);
/* Remove all our transient children */
tmp = window_impl->transient_children;
while (tmp != NULL)
{
GdkWindow *child = tmp->data;
GdkWindowImplWin32 *child_impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW (child)->impl);
child_impl->transient_owner = NULL;
tmp = tmp->next;
}
g_slist_free (window_impl->transient_children);
window_impl->transient_children = NULL;
/* Remove ourself from our transient owner */
if (window_impl->transient_owner != NULL)
{
gdk_window_set_transient_for (window, NULL);
}
if (!recursing && !foreign_destroy)
{
window->destroyed = TRUE;
DestroyWindow (GDK_WINDOW_HWND (window));
}
}
static void
gdk_win32_window_destroy_foreign (GdkWindow *window)
{
/* It's somebody else's window, but in our hierarchy, so reparent it
* to the desktop, and then try to destroy it.
*/
gdk_window_hide (window);
gdk_window_reparent (window, NULL, 0, 0);
PostMessage (GDK_WINDOW_HWND (window), WM_CLOSE, 0, 0);
}
/* This function is called when the window really gone.
*/
static void
gdk_win32_window_destroy_notify (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (EVENTS,
g_print ("gdk_window_destroy_notify: %p%s\n",
GDK_WINDOW_HWND (window),
(GDK_WINDOW_DESTROYED (window) ? " (destroyed)" : "")));
if (!GDK_WINDOW_DESTROYED (window))
{
if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN)
g_warning ("window %p unexpectedly destroyed",
GDK_WINDOW_HWND (window));
_gdk_window_destroy (window, TRUE);
}
gdk_win32_handle_table_remove (GDK_WINDOW_HWND (window));
g_object_unref (window);
}
static void
get_outer_rect (GdkWindow *window,
gint width,
gint height,
RECT *rect)
{
rect->left = rect->top = 0;
rect->right = width;
rect->bottom = height;
_gdk_win32_adjust_client_rect (window, rect);
}
static void
adjust_for_gravity_hints (GdkWindow *window,
RECT *outer_rect,
gint *x,
gint *y)
{
GdkWindowImplWin32 *impl;
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
if (impl->hint_flags & GDK_HINT_WIN_GRAVITY)
{
#ifdef G_ENABLE_DEBUG
gint orig_x = *x, orig_y = *y;
#endif
switch (impl->hints.win_gravity)
{
case GDK_GRAVITY_NORTH:
case GDK_GRAVITY_CENTER:
case GDK_GRAVITY_SOUTH:
*x -= (outer_rect->right - outer_rect->left) / 2;
*x += window->width / 2;
break;
case GDK_GRAVITY_SOUTH_EAST:
case GDK_GRAVITY_EAST:
case GDK_GRAVITY_NORTH_EAST:
*x -= outer_rect->right - outer_rect->left;
*x += window->width;
break;
case GDK_GRAVITY_STATIC:
*x += outer_rect->left;
break;
default:
break;
}
switch (impl->hints.win_gravity)
{
case GDK_GRAVITY_WEST:
case GDK_GRAVITY_CENTER:
case GDK_GRAVITY_EAST:
*y -= (outer_rect->bottom - outer_rect->top) / 2;
*y += window->height / 2;
break;
case GDK_GRAVITY_SOUTH_WEST:
case GDK_GRAVITY_SOUTH:
case GDK_GRAVITY_SOUTH_EAST:
*y -= outer_rect->bottom - outer_rect->top;
*y += window->height;
break;
case GDK_GRAVITY_STATIC:
*y += outer_rect->top;
break;
default:
break;
}
GDK_NOTE (MISC,
(orig_x != *x || orig_y != *y) ?
g_print ("adjust_for_gravity_hints: x: %d->%d, y: %d->%d\n",
orig_x, *x, orig_y, *y)
: (void) 0);
}
}
static void
show_window_internal (GdkWindow *window,
gboolean already_mapped,
gboolean deiconify)
{
GdkWindowImplWin32 *window_impl;
gboolean focus_on_map = FALSE;
DWORD exstyle;
if (window->destroyed)
return;
GDK_NOTE (MISC, g_print ("show_window_internal: %p: %s%s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state),
(deiconify ? " deiconify" : "")));
/* If asked to show (not deiconify) an withdrawn and iconified
* window, do that.
*/
if (!deiconify &&
!already_mapped &&
(window->state & GDK_WINDOW_STATE_ICONIFIED))
{
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWMINNOACTIVE);
return;
}
/* If asked to just show an iconified window, do nothing. */
if (!deiconify && (window->state & GDK_WINDOW_STATE_ICONIFIED))
return;
/* If asked to deiconify an already noniconified window, do
* nothing. (Especially, don't cause the window to rise and
* activate. There are different calls for that.)
*/
if (deiconify && !(window->state & GDK_WINDOW_STATE_ICONIFIED))
return;
/* If asked to show (but not raise) a window that is already
* visible, do nothing.
*/
if (!deiconify && !already_mapped && IsWindowVisible (GDK_WINDOW_HWND (window)))
return;
/* Other cases */
if (!already_mapped)
focus_on_map = window->focus_on_map;
exstyle = GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE);
/* Use SetWindowPos to show transparent windows so automatic redraws
* in other windows can be suppressed.
*/
if (exstyle & WS_EX_TRANSPARENT)
{
UINT flags = SWP_SHOWWINDOW | SWP_NOREDRAW | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER;
if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TEMP || !focus_on_map)
flags |= SWP_NOACTIVATE;
SetWindowPos (GDK_WINDOW_HWND (window),
SWP_NOZORDER_SPECIFIED, 0, 0, 0, 0, flags);
return;
}
/* For initial map of "normal" windows we want to emulate WM window
* positioning behaviour, which means:
* + Use user specified position if GDK_HINT_POS or GDK_HINT_USER_POS
* otherwise:
* + default to the initial CW_USEDEFAULT placement,
* no matter if the user moved the window before showing it.
* + Certain window types and hints have more elaborate positioning
* schemes.
*/
window_impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
if (!already_mapped &&
GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL &&
(window_impl->hint_flags & (GDK_HINT_POS | GDK_HINT_USER_POS)) == 0 &&
!window_impl->override_redirect)
{
gboolean center = FALSE;
RECT window_rect, center_on_rect;
int x, y;
x = window_impl->initial_x;
y = window_impl->initial_y;
if (window_impl->type_hint == GDK_WINDOW_TYPE_HINT_SPLASHSCREEN)
{
HMONITOR monitor;
MONITORINFO mi;
monitor = MonitorFromWindow (GDK_WINDOW_HWND (window), MONITOR_DEFAULTTONEAREST);
mi.cbSize = sizeof (mi);
if (monitor && GetMonitorInfo (monitor, &mi))
center_on_rect = mi.rcMonitor;
else
{
center_on_rect.left = 0;
center_on_rect.right = 0;
center_on_rect.right = GetSystemMetrics (SM_CXSCREEN);
center_on_rect.bottom = GetSystemMetrics (SM_CYSCREEN);
}
center = TRUE;
}
else if (window_impl->transient_owner != NULL &&
GDK_WINDOW_IS_MAPPED (window_impl->transient_owner))
{
GdkWindow *owner = window_impl->transient_owner;
/* Center on transient parent */
center_on_rect.left = owner->x;
center_on_rect.top = owner->y;
center_on_rect.right = center_on_rect.left + owner->width;
center_on_rect.bottom = center_on_rect.top + owner->height;
_gdk_win32_adjust_client_rect (GDK_WINDOW (owner), &center_on_rect);
center = TRUE;
}
if (center)
{
window_rect.left = 0;
window_rect.top = 0;
window_rect.right = window->width;
window_rect.bottom = window->height;
_gdk_win32_adjust_client_rect (window, &window_rect);
x = center_on_rect.left + ((center_on_rect.right - center_on_rect.left) - (window_rect.right - window_rect.left)) / 2;
y = center_on_rect.top + ((center_on_rect.bottom - center_on_rect.top) - (window_rect.bottom - window_rect.top)) / 2;
}
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
SWP_NOZORDER_SPECIFIED,
x, y, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
if (!already_mapped &&
GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL &&
!window_impl->override_redirect)
{
/* Ensure new windows are fully onscreen */
RECT window_rect;
HMONITOR monitor;
MONITORINFO mi;
int x, y;
GetWindowRect (GDK_WINDOW_HWND (window), &window_rect);
monitor = MonitorFromWindow (GDK_WINDOW_HWND (window), MONITOR_DEFAULTTONEAREST);
mi.cbSize = sizeof (mi);
if (monitor && GetMonitorInfo (monitor, &mi))
{
x = window_rect.left;
y = window_rect.top;
if (window_rect.right > mi.rcWork.right)
{
window_rect.left -= (window_rect.right - mi.rcWork.right);
window_rect.right -= (window_rect.right - mi.rcWork.right);
}
if (window_rect.bottom > mi.rcWork.bottom)
{
window_rect.top -= (window_rect.bottom - mi.rcWork.bottom);
window_rect.bottom -= (window_rect.bottom - mi.rcWork.bottom);
}
if (window_rect.left < mi.rcWork.left)
{
window_rect.right += (mi.rcWork.left - window_rect.left);
window_rect.left += (mi.rcWork.left - window_rect.left);
}
if (window_rect.top < mi.rcWork.top)
{
window_rect.bottom += (mi.rcWork.top - window_rect.top);
window_rect.top += (mi.rcWork.top - window_rect.top);
}
if (x != window_rect.left || y != window_rect.top)
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
SWP_NOZORDER_SPECIFIED,
window_rect.left, window_rect.top, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
}
if (window->state & GDK_WINDOW_STATE_FULLSCREEN)
{
gdk_window_fullscreen (window);
}
else if (window->state & GDK_WINDOW_STATE_MAXIMIZED)
{
ShowWindow (GDK_WINDOW_HWND (window), SW_MAXIMIZE);
}
else if (window->state & GDK_WINDOW_STATE_ICONIFIED)
{
if (focus_on_map)
ShowWindow (GDK_WINDOW_HWND (window), SW_RESTORE);
else
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNOACTIVATE);
}
else if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TEMP || !focus_on_map)
{
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNOACTIVATE);
}
else
{
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNORMAL);
}
/* Sync STATE_ABOVE to TOPMOST */
if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_TEMP &&
(((window->state & GDK_WINDOW_STATE_ABOVE) &&
!(exstyle & WS_EX_TOPMOST)) ||
(!(window->state & GDK_WINDOW_STATE_ABOVE) &&
(exstyle & WS_EX_TOPMOST))))
{
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
(window->state & GDK_WINDOW_STATE_ABOVE)?HWND_TOPMOST:HWND_NOTOPMOST,
0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE));
}
}
static void
gdk_win32_window_show (GdkWindow *window,
gboolean already_mapped)
{
show_window_internal (window, FALSE, FALSE);
}
static void
gdk_win32_window_hide (GdkWindow *window)
{
if (window->destroyed)
return;
GDK_NOTE (MISC, g_print ("gdk_win32_window_hide: %p: %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state)));
if (GDK_WINDOW_IS_MAPPED (window))
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_WITHDRAWN);
_gdk_window_clear_update_area (window);
if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL)
ShowOwnedPopups (GDK_WINDOW_HWND (window), FALSE);
/* Use SetWindowPos to hide transparent windows so automatic redraws
* in other windows can be suppressed.
*/
if (GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE) & WS_EX_TRANSPARENT)
{
SetWindowPos (GDK_WINDOW_HWND (window), SWP_NOZORDER_SPECIFIED,
0, 0, 0, 0,
SWP_HIDEWINDOW | SWP_NOREDRAW | SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE);
}
else
{
ShowWindow (GDK_WINDOW_HWND (window), SW_HIDE);
}
}
static void
gdk_win32_window_withdraw (GdkWindow *window)
{
if (window->destroyed)
return;
GDK_NOTE (MISC, g_print ("gdk_win32_window_withdraw: %p: %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state)));
gdk_window_hide (window); /* ??? */
}
static void
gdk_win32_window_move (GdkWindow *window,
gint x, gint y)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_win32_window_move: %p: %+d%+d\n",
GDK_WINDOW_HWND (window), x, y));
if (window->state & GDK_WINDOW_STATE_FULLSCREEN)
return;
/* Don't check GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD.
* Foreign windows (another app's windows) might be children of our
* windows! Especially in the case of gtkplug/socket.
*/
if (GetAncestor (GDK_WINDOW_HWND (window), GA_PARENT) != GetDesktopWindow ())
{
_gdk_window_move_resize_child (window, x, y, window->width, window->height);
}
else
{
RECT outer_rect;
get_outer_rect (window, window->width, window->height, &outer_rect);
adjust_for_gravity_hints (window, &outer_rect, &x, &y);
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,%d,%d,0,0,"
"NOACTIVATE|NOSIZE|NOZORDER)\n",
GDK_WINDOW_HWND (window),
x - _gdk_offset_x, y - _gdk_offset_y));
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
SWP_NOZORDER_SPECIFIED,
x - _gdk_offset_x, y - _gdk_offset_y, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
}
static void
gdk_win32_window_resize (GdkWindow *window,
gint width, gint height)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
if (width < 1)
width = 1;
if (height < 1)
height = 1;
GDK_NOTE (MISC, g_print ("gdk_win32_window_resize: %p: %dx%d\n",
GDK_WINDOW_HWND (window), width, height));
if (window->state & GDK_WINDOW_STATE_FULLSCREEN)
return;
if (GetAncestor (GDK_WINDOW_HWND (window), GA_PARENT) != GetDesktopWindow ())
{
_gdk_window_move_resize_child (window, window->x, window->y, width, height);
}
else
{
RECT outer_rect;
get_outer_rect (window, width, height, &outer_rect);
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,0,0,%ld,%ld,"
"NOACTIVATE|NOMOVE|NOZORDER)\n",
GDK_WINDOW_HWND (window),
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top));
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
SWP_NOZORDER_SPECIFIED,
0, 0,
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER));
window->resize_count += 1;
}
}
static void
gdk_win32_window_move_resize_internal (GdkWindow *window,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
if (width < 1)
width = 1;
if (height < 1)
height = 1;
if (window->state & GDK_WINDOW_STATE_FULLSCREEN)
return;
GDK_NOTE (MISC, g_print ("gdk_win32_window_move_resize: %p: %dx%d@%+d%+d\n",
GDK_WINDOW_HWND (window),
width, height, x, y));
if (GetAncestor (GDK_WINDOW_HWND (window), GA_PARENT) != GetDesktopWindow ())
{
_gdk_window_move_resize_child (window, x, y, width, height);
}
else
{
RECT outer_rect;
get_outer_rect (window, width, height, &outer_rect);
adjust_for_gravity_hints (window, &outer_rect, &x, &y);
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,%d,%d,%ld,%ld,"
"NOACTIVATE|NOZORDER)\n",
GDK_WINDOW_HWND (window),
x - _gdk_offset_x, y - _gdk_offset_y,
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top));
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
SWP_NOZORDER_SPECIFIED,
x - _gdk_offset_x, y - _gdk_offset_y,
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top,
SWP_NOACTIVATE | SWP_NOZORDER));
}
}
static void
gdk_win32_window_move_resize (GdkWindow *window,
gboolean with_move,
gint x,
gint y,
gint width,
gint height)
{
GdkWindowImplWin32 *window_impl;
window_impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
window_impl->inhibit_configure = TRUE;
/* We ignore changes to the window being moved or resized by the
user, as we don't want to fight the user */
if (GDK_WINDOW_HWND (window) == _modal_move_resize_window)
goto out;
if (with_move && (width < 0 && height < 0))
{
gdk_win32_window_move (window, x, y);
}
else
{
if (with_move)
{
gdk_win32_window_move_resize_internal (window, x, y, width, height);
}
else
{
gdk_win32_window_resize (window, width, height);
}
}
out:
window_impl->inhibit_configure = FALSE;
if (WINDOW_IS_TOPLEVEL (window))
_gdk_win32_emit_configure_event (window);
}
static gboolean
gdk_win32_window_reparent (GdkWindow *window,
GdkWindow *new_parent,
gint x,
gint y)
{
GdkWindow *parent;
GdkWindow *old_parent;
GdkWindowImplWin32 *impl;
gboolean was_toplevel;
LONG style;
if (!new_parent)
new_parent = _gdk_root;
old_parent = window->parent;
parent = new_parent;
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
GDK_NOTE (MISC, g_print ("gdk_win32_window_reparent: %p: %p\n",
GDK_WINDOW_HWND (window),
GDK_WINDOW_HWND (new_parent)));
style = GetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE);
was_toplevel = GetAncestor (GDK_WINDOW_HWND (window), GA_PARENT) == GetDesktopWindow ();
if (was_toplevel && new_parent != _gdk_root)
{
/* Reparenting from top-level (child of desktop). Clear out
* decorations.
*/
style &= ~(WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX);
style |= WS_CHILD;
SetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE, style);
}
else if (new_parent == _gdk_root)
{
/* Reparenting to top-level. Add decorations. */
style &= ~(WS_CHILD);
style |= WS_OVERLAPPEDWINDOW;
SetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE, style);
}
API_CALL (SetParent, (GDK_WINDOW_HWND (window),
GDK_WINDOW_HWND (new_parent)));
API_CALL (MoveWindow, (GDK_WINDOW_HWND (window),
x, y, window->width, window->height, TRUE));
/* From here on, we treat parents of type GDK_WINDOW_FOREIGN like
* the root window
*/
if (GDK_WINDOW_TYPE (new_parent) == GDK_WINDOW_FOREIGN)
new_parent = _gdk_root;
window->parent = new_parent;
/* Switch the window type as appropriate */
switch (GDK_WINDOW_TYPE (new_parent))
{
case GDK_WINDOW_ROOT:
if (impl->toplevel_window_type != -1)
GDK_WINDOW_TYPE (window) = impl->toplevel_window_type;
else if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD)
GDK_WINDOW_TYPE (window) = GDK_WINDOW_TOPLEVEL;
break;
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_CHILD:
case GDK_WINDOW_TEMP:
if (WINDOW_IS_TOPLEVEL (window))
{
/* Save the original window type so we can restore it if the
* window is reparented back to be a toplevel.
*/
impl->toplevel_window_type = GDK_WINDOW_TYPE (window);
GDK_WINDOW_TYPE (window) = GDK_WINDOW_CHILD;
}
}
if (old_parent)
old_parent->children = g_list_remove_link (old_parent->children, &window->children_list_node);
parent->children = g_list_concat (&window->children_list_node, parent->children);
return FALSE;
}
static void
gdk_win32_window_raise (GdkWindow *window)
{
if (!GDK_WINDOW_DESTROYED (window))
{
GDK_NOTE (MISC, g_print ("gdk_win32_window_raise: %p\n",
GDK_WINDOW_HWND (window)));
if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TEMP)
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), HWND_TOPMOST,
0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE));
else if (window->accept_focus)
/* Do not wrap this in an API_CALL macro as SetForegroundWindow might
* fail when for example dragging a window belonging to a different
* application at the time of a gtk_window_present() call due to focus
* stealing prevention. */
SetForegroundWindow (GDK_WINDOW_HWND (window));
else
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), HWND_TOP,
0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE));
}
}
static void
gdk_win32_window_lower (GdkWindow *window)
{
if (!GDK_WINDOW_DESTROYED (window))
{
GDK_NOTE (MISC, g_print ("gdk_win32_window_lower: %p\n"
"... SetWindowPos(%p,HWND_BOTTOM,0,0,0,0,"
"NOACTIVATE|NOMOVE|NOSIZE)\n",
GDK_WINDOW_HWND (window),
GDK_WINDOW_HWND (window)));
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), HWND_BOTTOM,
0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE));
}
}
static void
gdk_win32_window_set_urgency_hint (GdkWindow *window,
gboolean urgent)
{
FLASHWINFO flashwinfo;
typedef BOOL (WINAPI *PFN_FlashWindowEx) (FLASHWINFO*);
PFN_FlashWindowEx flashWindowEx = NULL;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
if (GDK_WINDOW_DESTROYED (window))
return;
flashWindowEx = (PFN_FlashWindowEx) GetProcAddress (GetModuleHandle ("user32.dll"), "FlashWindowEx");
if (flashWindowEx)
{
flashwinfo.cbSize = sizeof (flashwinfo);
flashwinfo.hwnd = GDK_WINDOW_HWND (window);
if (urgent)
flashwinfo.dwFlags = FLASHW_ALL | FLASHW_TIMER;
else
flashwinfo.dwFlags = FLASHW_STOP;
flashwinfo.uCount = 0;
flashwinfo.dwTimeout = 0;
flashWindowEx (&flashwinfo);
}
else
{
FlashWindow (GDK_WINDOW_HWND (window), urgent);
}
}
static gboolean
get_effective_window_decorations (GdkWindow *window,
GdkWMDecoration *decoration)
{
GdkWindowImplWin32 *impl;
impl = (GdkWindowImplWin32 *)window->impl;
if (gdk_window_get_decorations (window, decoration))
return TRUE;
if (window->window_type != GDK_WINDOW_TOPLEVEL)
{
return FALSE;
}
if ((impl->hint_flags & GDK_HINT_MIN_SIZE) &&
(impl->hint_flags & GDK_HINT_MAX_SIZE) &&
impl->hints.min_width == impl->hints.max_width &&
impl->hints.min_height == impl->hints.max_height)
{
*decoration = GDK_DECOR_ALL | GDK_DECOR_RESIZEH | GDK_DECOR_MAXIMIZE;
if (impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG ||
impl->type_hint == GDK_WINDOW_TYPE_HINT_MENU ||
impl->type_hint == GDK_WINDOW_TYPE_HINT_TOOLBAR)
{
*decoration |= GDK_DECOR_MINIMIZE;
}
else if (impl->type_hint == GDK_WINDOW_TYPE_HINT_SPLASHSCREEN)
{
*decoration |= GDK_DECOR_MENU | GDK_DECOR_MINIMIZE;
}
return TRUE;
}
else if (impl->hint_flags & GDK_HINT_MAX_SIZE)
{
*decoration = GDK_DECOR_ALL | GDK_DECOR_MAXIMIZE;
if (impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG ||
impl->type_hint == GDK_WINDOW_TYPE_HINT_MENU ||
impl->type_hint == GDK_WINDOW_TYPE_HINT_TOOLBAR)
{
*decoration |= GDK_DECOR_MINIMIZE;
}
return TRUE;
}
else
{
switch (impl->type_hint)
{
case GDK_WINDOW_TYPE_HINT_DIALOG:
*decoration = (GDK_DECOR_ALL | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE);
return TRUE;
case GDK_WINDOW_TYPE_HINT_MENU:
*decoration = (GDK_DECOR_ALL | GDK_DECOR_RESIZEH | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE);
return TRUE;
case GDK_WINDOW_TYPE_HINT_TOOLBAR:
case GDK_WINDOW_TYPE_HINT_UTILITY:
gdk_window_set_skip_taskbar_hint (window, TRUE);
gdk_window_set_skip_pager_hint (window, TRUE);
*decoration = (GDK_DECOR_ALL | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE);
return TRUE;
case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
*decoration = (GDK_DECOR_ALL | GDK_DECOR_RESIZEH | GDK_DECOR_MENU |
GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE);
return TRUE;
case GDK_WINDOW_TYPE_HINT_DOCK:
return FALSE;
case GDK_WINDOW_TYPE_HINT_DESKTOP:
return FALSE;
default:
/* Fall thru */
case GDK_WINDOW_TYPE_HINT_NORMAL:
*decoration = GDK_DECOR_ALL;
return TRUE;
}
}
return FALSE;
}
static void
gdk_win32_window_set_geometry_hints (GdkWindow *window,
const GdkGeometry *geometry,
GdkWindowHints geom_mask)
{
GdkWindowImplWin32 *impl;
FullscreenInfo *fi;
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_set_geometry_hints: %p\n",
GDK_WINDOW_HWND (window)));
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
fi = g_object_get_data (G_OBJECT (window), "fullscreen-info");
if (fi)
fi->hint_flags = geom_mask;
else
impl->hint_flags = geom_mask;
impl->hints = *geometry;
if (geom_mask & GDK_HINT_POS)
; /* even the X11 mplementation doesn't care */
if (geom_mask & GDK_HINT_MIN_SIZE)
{
GDK_NOTE (MISC, g_print ("... MIN_SIZE: %dx%d\n",
geometry->min_width, geometry->min_height));
}
if (geom_mask & GDK_HINT_MAX_SIZE)
{
GDK_NOTE (MISC, g_print ("... MAX_SIZE: %dx%d\n",
geometry->max_width, geometry->max_height));
}
if (geom_mask & GDK_HINT_BASE_SIZE)
{
GDK_NOTE (MISC, g_print ("... BASE_SIZE: %dx%d\n",
geometry->base_width, geometry->base_height));
}
if (geom_mask & GDK_HINT_RESIZE_INC)
{
GDK_NOTE (MISC, g_print ("... RESIZE_INC: (%d,%d)\n",
geometry->width_inc, geometry->height_inc));
}
if (geom_mask & GDK_HINT_ASPECT)
{
GDK_NOTE (MISC, g_print ("... ASPECT: %g--%g\n",
geometry->min_aspect, geometry->max_aspect));
}
if (geom_mask & GDK_HINT_WIN_GRAVITY)
{
GDK_NOTE (MISC, g_print ("... GRAVITY: %d\n", geometry->win_gravity));
}
update_style_bits (window);
}
static void
gdk_win32_window_set_title (GdkWindow *window,
const gchar *title)
{
wchar_t *wtitle;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (title != NULL);
if (GDK_WINDOW_DESTROYED (window))
return;
/* Empty window titles not allowed, so set it to just a period. */
if (!title[0])
title = ".";
GDK_NOTE (MISC, g_print ("gdk_window_set_title: %p: %s\n",
GDK_WINDOW_HWND (window), title));
GDK_NOTE (MISC_OR_EVENTS, title = g_strdup_printf ("%p %s", GDK_WINDOW_HWND (window), title));
wtitle = g_utf8_to_utf16 (title, -1, NULL, NULL, NULL);
API_CALL (SetWindowTextW, (GDK_WINDOW_HWND (window), wtitle));
g_free (wtitle);
GDK_NOTE (MISC_OR_EVENTS, g_free ((char *) title));
}
static void
gdk_win32_window_set_role (GdkWindow *window,
const gchar *role)
{
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (MISC, g_print ("gdk_window_set_role: %p: %s\n",
GDK_WINDOW_HWND (window),
(role ? role : "NULL")));
/* XXX */
}
static void
gdk_win32_window_set_transient_for (GdkWindow *window,
GdkWindow *parent)
{
HWND window_id, parent_id;
LONG_PTR old_ptr;
DWORD w32_error;
GdkWindowImplWin32 *window_impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
GdkWindowImplWin32 *parent_impl = NULL;
GSList *item;
g_return_if_fail (GDK_IS_WINDOW (window));
window_id = GDK_WINDOW_HWND (window);
parent_id = parent != NULL ? GDK_WINDOW_HWND (parent) : NULL;
GDK_NOTE (MISC, g_print ("gdk_window_set_transient_for: %p: %p\n", window_id, parent_id));
if (GDK_WINDOW_DESTROYED (window) || (parent && GDK_WINDOW_DESTROYED (parent)))
{
if (GDK_WINDOW_DESTROYED (window))
GDK_NOTE (MISC, g_print ("... destroyed!\n"));
else
GDK_NOTE (MISC, g_print ("... owner destroyed!\n"));
return;
}
if (window->window_type == GDK_WINDOW_CHILD)
{
GDK_NOTE (MISC, g_print ("... a child window!\n"));
return;
}
if (parent == NULL)
{
GdkWindowImplWin32 *trans_impl = GDK_WINDOW_IMPL_WIN32 (window_impl->transient_owner->impl);
if (trans_impl->transient_children != NULL)
{
item = g_slist_find (trans_impl->transient_children, window);
item->data = NULL;
trans_impl->transient_children = g_slist_delete_link (trans_impl->transient_children, item);
trans_impl->num_transients--;
if (!trans_impl->num_transients)
{
trans_impl->transient_children = NULL;
}
}
g_object_unref (G_OBJECT (window_impl->transient_owner));
g_object_unref (G_OBJECT (window));
window_impl->transient_owner = NULL;
}
else
{
parent_impl = GDK_WINDOW_IMPL_WIN32 (parent->impl);
parent_impl->transient_children = g_slist_append (parent_impl->transient_children, window);
g_object_ref (G_OBJECT (window));
parent_impl->num_transients++;
window_impl->transient_owner = parent;
g_object_ref (G_OBJECT (parent));
}
SetLastError (0);
old_ptr = GetWindowLongPtr (window_id, GWLP_HWNDPARENT);
w32_error = GetLastError ();
/* Don't re-set GWLP_HWNDPARENT to the same value */
if ((HWND) old_ptr == parent_id && w32_error == NO_ERROR)
return;
/* Don't return if it failed, try SetWindowLongPtr() anyway */
if (old_ptr == 0 && w32_error != NO_ERROR)
WIN32_API_FAILED ("GetWindowLongPtr");
/* This changes the *owner* of the window, despite the misleading
* name. (Owner and parent are unrelated concepts.) At least that's
* what people who seem to know what they talk about say on
* USENET. Search on Google.
*/
SetLastError (0);
old_ptr = SetWindowLongPtr (window_id, GWLP_HWNDPARENT, (LONG_PTR) parent_id);
w32_error = GetLastError ();
if (old_ptr == 0 && w32_error != NO_ERROR)
WIN32_API_FAILED ("SetWindowLongPtr");
}
void
_gdk_push_modal_window (GdkWindow *window)
{
modal_window_stack = g_slist_prepend (modal_window_stack,
window);
}
void
_gdk_remove_modal_window (GdkWindow *window)
{
GSList *tmp;
g_return_if_fail (window != NULL);
/* It's possible to be NULL here if someone sets the modal hint of the window
* to FALSE before a modal window stack has ever been created. */
if (modal_window_stack == NULL)
return;
/* Find the requested window in the stack and remove it. Yeah, I realize this
* means we're not a 'real stack', strictly speaking. Sue me. :) */
tmp = g_slist_find (modal_window_stack, window);
if (tmp != NULL)
{
modal_window_stack = g_slist_delete_link (modal_window_stack, tmp);
}
}
gboolean
_gdk_modal_blocked (GdkWindow *window)
{
GSList *l;
gboolean found_any = FALSE;
for (l = modal_window_stack; l != NULL; l = l->next)
{
GdkWindow *modal = l->data;
if (modal == window)
return FALSE;
if (GDK_WINDOW_IS_MAPPED (modal))
found_any = TRUE;
}
return found_any;
}
GdkWindow *
_gdk_modal_current (void)
{
GSList *l;
for (l = modal_window_stack; l != NULL; l = l->next)
{
GdkWindow *modal = l->data;
if (GDK_WINDOW_IS_MAPPED (modal))
return modal;
}
return NULL;
}
static void
gdk_win32_window_set_background (GdkWindow *window,
cairo_pattern_t *pattern)
{
}
static void
gdk_win32_window_set_device_cursor (GdkWindow *window,
GdkDevice *device,
GdkCursor *cursor)
{
GdkWindowImplWin32 *impl;
GdkCursor *previous_cursor;
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_win32_window_set_cursor: %p: %p\n",
GDK_WINDOW_HWND (window),
cursor));
/* First get the old cursor, if any (we wait to free the old one
* since it may be the current cursor set in the Win32 API right
* now).
*/
previous_cursor = impl->cursor;
GDK_DEVICE_GET_CLASS (device)->set_window_cursor (device, window, cursor);
if (cursor)
impl->cursor = g_object_ref (cursor);
else
/* Use default cursor otherwise. Setting it to NULL will make it use
* system-default cursor, which is not controlled by GTK cursor theming.
*/
impl->cursor = _gdk_win32_display_get_cursor_for_type (_gdk_display, GDK_LEFT_PTR);
/* Destroy the previous cursor */
if (previous_cursor != NULL)
g_object_unref (previous_cursor);
}
static void
gdk_win32_window_get_geometry (GdkWindow *window,
gint *x,
gint *y,
gint *width,
gint *height)
{
if (!window)
window = _gdk_root;
if (!GDK_WINDOW_DESTROYED (window))
{
RECT rect;
API_CALL (GetClientRect, (GDK_WINDOW_HWND (window), &rect));
if (window != _gdk_root)
{
POINT pt;
GdkWindow *parent = gdk_window_get_parent (window);
pt.x = rect.left;
pt.y = rect.top;
ClientToScreen (GDK_WINDOW_HWND (window), &pt);
ScreenToClient (GDK_WINDOW_HWND (parent), &pt);
rect.left = pt.x;
rect.top = pt.y;
pt.x = rect.right;
pt.y = rect.bottom;
ClientToScreen (GDK_WINDOW_HWND (window), &pt);
ScreenToClient (GDK_WINDOW_HWND (parent), &pt);
rect.right = pt.x;
rect.bottom = pt.y;
if (parent == _gdk_root)
{
rect.left += _gdk_offset_x;
rect.top += _gdk_offset_y;
rect.right += _gdk_offset_x;
rect.bottom += _gdk_offset_y;
}
}
if (x)
*x = rect.left;
if (y)
*y = rect.top;
if (width)
*width = rect.right - rect.left;
if (height)
*height = rect.bottom - rect.top;
GDK_NOTE (MISC, g_print ("gdk_win32_window_get_geometry: %p: %ldx%ldx%d@%+ld%+ld\n",
GDK_WINDOW_HWND (window),
rect.right - rect.left, rect.bottom - rect.top,
gdk_window_get_visual (window)->depth,
rect.left, rect.top));
}
}
static void
gdk_win32_window_get_root_coords (GdkWindow *window,
gint x,
gint y,
gint *root_x,
gint *root_y)
{
gint tx;
gint ty;
POINT pt;
pt.x = x;
pt.y = y;
ClientToScreen (GDK_WINDOW_HWND (window), &pt);
tx = pt.x;
ty = pt.y;
if (root_x)
*root_x = tx + _gdk_offset_x;
if (root_y)
*root_y = ty + _gdk_offset_y;
GDK_NOTE (MISC, g_print ("gdk_win32_window_get_root_coords: %p: %+d%+d %+d%+d\n",
GDK_WINDOW_HWND (window),
x, y,
tx + _gdk_offset_x, ty + _gdk_offset_y));
}
static void
gdk_win32_window_restack_under (GdkWindow *window,
GList *native_siblings)
{
// ### TODO
}
static void
gdk_win32_window_restack_toplevel (GdkWindow *window,
GdkWindow *sibling,
gboolean above)
{
// ### TODO
}
static void
gdk_win32_window_get_frame_extents (GdkWindow *window,
GdkRectangle *rect)
{
HWND hwnd;
RECT r;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (rect != NULL);
rect->x = 0;
rect->y = 0;
rect->width = 1;
rect->height = 1;
if (GDK_WINDOW_DESTROYED (window))
return;
/* FIXME: window is documented to be a toplevel GdkWindow, so is it really
* necessary to walk its parent chain?
*/
while (window->parent && window->parent->parent)
window = window->parent;
hwnd = GDK_WINDOW_HWND (window);
API_CALL (GetWindowRect, (hwnd, &r));
rect->x = r.left + _gdk_offset_x;
rect->y = r.top + _gdk_offset_y;
rect->width = r.right - r.left;
rect->height = r.bottom - r.top;
GDK_NOTE (MISC, g_print ("gdk_window_get_frame_extents: %p: %ldx%ld@%+ld%+ld\n",
GDK_WINDOW_HWND (window),
r.right - r.left, r.bottom - r.top,
r.left, r.top));
}
static gboolean
gdk_window_win32_get_device_state (GdkWindow *window,
GdkDevice *device,
gdouble *x,
gdouble *y,
GdkModifierType *mask)
{
GdkWindow *child;
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), FALSE);
GDK_DEVICE_GET_CLASS (device)->query_state (device, window,
NULL, &child,
NULL, NULL,
x, y, mask);
return (child != NULL);
}
void
gdk_display_warp_device (GdkDisplay *display,
GdkDevice *device,
GdkScreen *screen,
gint x,
gint y)
{
g_return_if_fail (display == _gdk_display);
g_return_if_fail (screen == _gdk_screen);
g_return_if_fail (GDK_IS_DEVICE (device));
g_return_if_fail (display == gdk_device_get_display (device));
GDK_DEVICE_GET_CLASS (device)->warp (device, screen, x, y);
}
static GdkEventMask
gdk_win32_window_get_events (GdkWindow *window)
{
GdkWindowImplWin32 *impl;
if (GDK_WINDOW_DESTROYED (window))
return 0;
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
return impl->native_event_mask;
}
static void
gdk_win32_window_set_events (GdkWindow *window,
GdkEventMask event_mask)
{
GdkWindowImplWin32 *impl;
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
/* gdk_window_new() always sets the GDK_STRUCTURE_MASK, so better
* set it here, too. Not that I know or remember why it is
* necessary, will have to test some day.
*/
impl->native_event_mask = GDK_STRUCTURE_MASK | event_mask;
}
static void
do_shape_combine_region (GdkWindow *window,
HRGN hrgn,
gint x, gint y)
{
RECT rect;
GetClientRect (GDK_WINDOW_HWND (window), &rect);
_gdk_win32_adjust_client_rect (window, &rect);
OffsetRgn (hrgn, -rect.left, -rect.top);
OffsetRgn (hrgn, x, y);
/* If this is a top-level window, add the title bar to the region */
if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL)
{
HRGN tmp = CreateRectRgn (0, 0, rect.right - rect.left, -rect.top);
CombineRgn (hrgn, hrgn, tmp, RGN_OR);
DeleteObject (tmp);
}
SetWindowRgn (GDK_WINDOW_HWND (window), hrgn, TRUE);
}
static void
gdk_win32_window_set_override_redirect (GdkWindow *window,
gboolean override_redirect)
{
GdkWindowImplWin32 *window_impl;
g_return_if_fail (GDK_IS_WINDOW (window));
window_impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
window_impl->override_redirect = !!override_redirect;
}
static void
gdk_win32_window_set_accept_focus (GdkWindow *window,
gboolean accept_focus)
{
g_return_if_fail (GDK_IS_WINDOW (window));
accept_focus = accept_focus != FALSE;
if (window->accept_focus != accept_focus)
window->accept_focus = accept_focus;
}
static void
gdk_win32_window_set_focus_on_map (GdkWindow *window,
gboolean focus_on_map)
{
g_return_if_fail (GDK_IS_WINDOW (window));
focus_on_map = focus_on_map != FALSE;
if (window->focus_on_map != focus_on_map)
window->focus_on_map = focus_on_map;
}
static void
gdk_win32_window_set_icon_list (GdkWindow *window,
GList *pixbufs)
{
GdkPixbuf *pixbuf, *big_pixbuf, *small_pixbuf;
gint big_diff, small_diff;
gint big_w, big_h, small_w, small_h;
gint w, h;
gint dw, dh, diff;
HICON small_hicon, big_hicon;
GdkWindowImplWin32 *impl;
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
/* ideal sizes for small and large icons */
big_w = GetSystemMetrics (SM_CXICON);
big_h = GetSystemMetrics (SM_CYICON);
small_w = GetSystemMetrics (SM_CXSMICON);
small_h = GetSystemMetrics (SM_CYSMICON);
/* find closest sized icons in the list */
big_pixbuf = NULL;
small_pixbuf = NULL;
big_diff = 0;
small_diff = 0;
while (pixbufs)
{
pixbuf = (GdkPixbuf*) pixbufs->data;
w = gdk_pixbuf_get_width (pixbuf);
h = gdk_pixbuf_get_height (pixbuf);
dw = ABS (w - big_w);
dh = ABS (h - big_h);
diff = dw*dw + dh*dh;
if (big_pixbuf == NULL || diff < big_diff)
{
big_pixbuf = pixbuf;
big_diff = diff;
}
dw = ABS (w - small_w);
dh = ABS (h - small_h);
diff = dw*dw + dh*dh;
if (small_pixbuf == NULL || diff < small_diff)
{
small_pixbuf = pixbuf;
small_diff = diff;
}
pixbufs = pixbufs->next;
}
/* Create the icons */
big_hicon = _gdk_win32_pixbuf_to_hicon (big_pixbuf);
small_hicon = _gdk_win32_pixbuf_to_hicon (small_pixbuf);
/* Set the icons */
SendMessageW (GDK_WINDOW_HWND (window), WM_SETICON, ICON_BIG,
(LPARAM)big_hicon);
SendMessageW (GDK_WINDOW_HWND (window), WM_SETICON, ICON_SMALL,
(LPARAM)small_hicon);
/* Store the icons, destroying any previous icons */
if (impl->hicon_big)
GDI_CALL (DestroyIcon, (impl->hicon_big));
impl->hicon_big = big_hicon;
if (impl->hicon_small)
GDI_CALL (DestroyIcon, (impl->hicon_small));
impl->hicon_small = small_hicon;
}
static void
gdk_win32_window_set_icon_name (GdkWindow *window,
const gchar *name)
{
/* In case I manage to confuse this again (or somebody else does):
* Please note that "icon name" here really *does* mean the name or
* title of an window minimized as an icon on the desktop, or in the
* taskbar. It has nothing to do with the freedesktop.org icon
* naming stuff.
*/
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
#if 0
/* This is not the correct thing to do. We should keep both the
* "normal" window title, and the icon name. When the window is
* minimized, call SetWindowText() with the icon name, and when the
* window is restored, with the normal window title. Also, the name
* is in UTF-8, so we should do the normal conversion to either wide
* chars or system codepage, and use either the W or A version of
* SetWindowText(), depending on Windows version.
*/
API_CALL (SetWindowText, (GDK_WINDOW_HWND (window), name));
#endif
}
static GdkWindow *
gdk_win32_window_get_group (GdkWindow *window)
{
g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
g_return_val_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD, NULL);
if (GDK_WINDOW_DESTROYED (window))
return NULL;
g_warning ("gdk_window_get_group not yet implemented");
return NULL;
}
static void
gdk_win32_window_set_group (GdkWindow *window,
GdkWindow *leader)
{
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
g_return_if_fail (leader == NULL || GDK_IS_WINDOW (leader));
if (GDK_WINDOW_DESTROYED (window) || GDK_WINDOW_DESTROYED (leader))
return;
g_warning ("gdk_window_set_group not implemented");
}
static void
update_single_bit (LONG *style,
gboolean all,
int gdk_bit,
int style_bit)
{
/* all controls the interpretation of gdk_bit -- if all is TRUE,
* gdk_bit indicates whether style_bit is off; if all is FALSE, gdk
* bit indicate whether style_bit is on
*/
if ((!all && gdk_bit) || (all && !gdk_bit))
*style |= style_bit;
else
*style &= ~style_bit;
}
static void
update_style_bits (GdkWindow *window)
{
GdkWindowImplWin32 *impl = (GdkWindowImplWin32 *)window->impl;
GdkWMDecoration decorations;
LONG old_style, new_style, old_exstyle, new_exstyle;
gboolean all;
RECT rect, before, after;
gboolean was_topmost;
gboolean will_be_topmost;
HWND insert_after;
UINT flags;
if (window->state & GDK_WINDOW_STATE_FULLSCREEN)
return;
old_style = GetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE);
old_exstyle = GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE);
GetClientRect (GDK_WINDOW_HWND (window), &before);
after = before;
AdjustWindowRectEx (&before, old_style, FALSE, old_exstyle);
was_topmost = (old_exstyle & WS_EX_TOPMOST) ? TRUE : FALSE;
will_be_topmost = was_topmost;
old_exstyle &= ~WS_EX_TOPMOST;
new_style = old_style;
new_exstyle = old_exstyle;
if (window->window_type == GDK_WINDOW_TEMP)
{
new_exstyle |= WS_EX_TOOLWINDOW;
will_be_topmost = TRUE;
}
else if (impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY)
{
new_exstyle |= WS_EX_TOOLWINDOW;
}
else
{
new_exstyle &= ~WS_EX_TOOLWINDOW;
}
if (get_effective_window_decorations (window, &decorations))
{
all = (decorations & GDK_DECOR_ALL);
update_single_bit (&new_style, all, decorations & GDK_DECOR_BORDER, WS_BORDER);
update_single_bit (&new_style, all, decorations & GDK_DECOR_RESIZEH, WS_THICKFRAME);
update_single_bit (&new_style, all, decorations & GDK_DECOR_TITLE, WS_CAPTION);
update_single_bit (&new_style, all, decorations & GDK_DECOR_MENU, WS_SYSMENU);
update_single_bit (&new_style, all, decorations & GDK_DECOR_MINIMIZE, WS_MINIMIZEBOX);
update_single_bit (&new_style, all, decorations & GDK_DECOR_MAXIMIZE, WS_MAXIMIZEBOX);
}
if (old_style == new_style && old_exstyle == new_exstyle )
{
GDK_NOTE (MISC, g_print ("update_style_bits: %p: no change\n",
GDK_WINDOW_HWND (window)));
return;
}
if (old_style != new_style)
{
GDK_NOTE (MISC, g_print ("update_style_bits: %p: STYLE: %s => %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_style_to_string (old_style),
_gdk_win32_window_style_to_string (new_style)));
SetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE, new_style);
}
if (old_exstyle != new_exstyle)
{
GDK_NOTE (MISC, g_print ("update_style_bits: %p: EXSTYLE: %s => %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_exstyle_to_string (old_exstyle),
_gdk_win32_window_exstyle_to_string (new_exstyle)));
SetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE, new_exstyle);
}
AdjustWindowRectEx (&after, new_style, FALSE, new_exstyle);
GetWindowRect (GDK_WINDOW_HWND (window), &rect);
rect.left += after.left - before.left;
rect.top += after.top - before.top;
rect.right += after.right - before.right;
rect.bottom += after.bottom - before.bottom;
flags = SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOREPOSITION;
if (will_be_topmost && !was_topmost)
{
insert_after = HWND_TOPMOST;
}
else if (was_topmost && !will_be_topmost)
{
insert_after = HWND_NOTOPMOST;
}
else
{
flags |= SWP_NOZORDER;
insert_after = SWP_NOZORDER_SPECIFIED;
}
SetWindowPos (GDK_WINDOW_HWND (window), insert_after,
0, 0,
rect.right - rect.left, rect.bottom - rect.top,
flags);
}
static void
update_single_system_menu_entry (HMENU hmenu,
gboolean all,
int gdk_bit,
int menu_entry)
{
/* all controls the interpretation of gdk_bit -- if all is TRUE,
* gdk_bit indicates whether menu entry is disabled; if all is
* FALSE, gdk bit indicate whether menu entry is enabled
*/
if ((!all && gdk_bit) || (all && !gdk_bit))
EnableMenuItem (hmenu, menu_entry, MF_BYCOMMAND | MF_ENABLED);
else
EnableMenuItem (hmenu, menu_entry, MF_BYCOMMAND | MF_GRAYED);
}
static void
update_system_menu (GdkWindow *window)
{
GdkWMFunction functions;
BOOL all;
if (_gdk_window_get_functions (window, &functions))
{
HMENU hmenu = GetSystemMenu (GDK_WINDOW_HWND (window), FALSE);
all = (functions & GDK_FUNC_ALL);
update_single_system_menu_entry (hmenu, all, functions & GDK_FUNC_RESIZE, SC_SIZE);
update_single_system_menu_entry (hmenu, all, functions & GDK_FUNC_MOVE, SC_MOVE);
update_single_system_menu_entry (hmenu, all, functions & GDK_FUNC_MINIMIZE, SC_MINIMIZE);
update_single_system_menu_entry (hmenu, all, functions & GDK_FUNC_MAXIMIZE, SC_MAXIMIZE);
update_single_system_menu_entry (hmenu, all, functions & GDK_FUNC_CLOSE, SC_CLOSE);
}
}
static GQuark
get_decorations_quark ()
{
static GQuark quark = 0;
if (!quark)
quark = g_quark_from_static_string ("gdk-window-decorations");
return quark;
}
static void
gdk_win32_window_set_decorations (GdkWindow *window,
GdkWMDecoration decorations)
{
GdkWMDecoration* decorations_copy;
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (MISC, g_print ("gdk_window_set_decorations: %p: %s %s%s%s%s%s%s\n",
GDK_WINDOW_HWND (window),
(decorations & GDK_DECOR_ALL ? "clearing" : "setting"),
(decorations & GDK_DECOR_BORDER ? "BORDER " : ""),
(decorations & GDK_DECOR_RESIZEH ? "RESIZEH " : ""),
(decorations & GDK_DECOR_TITLE ? "TITLE " : ""),
(decorations & GDK_DECOR_MENU ? "MENU " : ""),
(decorations & GDK_DECOR_MINIMIZE ? "MINIMIZE " : ""),
(decorations & GDK_DECOR_MAXIMIZE ? "MAXIMIZE " : "")));
decorations_copy = g_malloc (sizeof (GdkWMDecoration));
*decorations_copy = decorations;
g_object_set_qdata_full (G_OBJECT (window), get_decorations_quark (), decorations_copy, g_free);
update_style_bits (window);
}
static gboolean
gdk_win32_window_get_decorations (GdkWindow *window,
GdkWMDecoration *decorations)
{
GdkWMDecoration* decorations_set;
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
decorations_set = g_object_get_qdata (G_OBJECT (window), get_decorations_quark ());
if (decorations_set)
*decorations = *decorations_set;
return (decorations_set != NULL);
}
static GQuark
get_functions_quark ()
{
static GQuark quark = 0;
if (!quark)
quark = g_quark_from_static_string ("gdk-window-functions");
return quark;
}
static void
gdk_win32_window_set_functions (GdkWindow *window,
GdkWMFunction functions)
{
GdkWMFunction* functions_copy;
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (MISC, g_print ("gdk_window_set_functions: %p: %s %s%s%s%s%s\n",
GDK_WINDOW_HWND (window),
(functions & GDK_FUNC_ALL ? "clearing" : "setting"),
(functions & GDK_FUNC_RESIZE ? "RESIZE " : ""),
(functions & GDK_FUNC_MOVE ? "MOVE " : ""),
(functions & GDK_FUNC_MINIMIZE ? "MINIMIZE " : ""),
(functions & GDK_FUNC_MAXIMIZE ? "MAXIMIZE " : ""),
(functions & GDK_FUNC_CLOSE ? "CLOSE " : "")));
functions_copy = g_malloc (sizeof (GdkWMFunction));
*functions_copy = functions;
g_object_set_qdata_full (G_OBJECT (window), get_functions_quark (), functions_copy, g_free);
update_system_menu (window);
}
gboolean
_gdk_window_get_functions (GdkWindow *window,
GdkWMFunction *functions)
{
GdkWMFunction* functions_set;
functions_set = g_object_get_qdata (G_OBJECT (window), get_functions_quark ());
if (functions_set)
*functions = *functions_set;
return (functions_set != NULL);
}
static void
gdk_win32_window_begin_resize_drag (GdkWindow *window,
GdkWindowEdge edge,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
WPARAM winedge;
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
/* Tell Windows to start interactively resizing the window by pretending that
* the left pointer button was clicked in the suitable edge or corner. This
* will only work if the button is down when this function is called, and
* will only work with button 1 (left), since Windows only allows window
* dragging using the left mouse button.
*/
if (button != 1)
return;
/* Must break the automatic grab that occured when the button was
* pressed, otherwise it won't work.
*/
gdk_device_ungrab (device, 0);
switch (edge)
{
case GDK_WINDOW_EDGE_NORTH_WEST:
winedge = HTTOPLEFT;
break;
case GDK_WINDOW_EDGE_NORTH:
winedge = HTTOP;
break;
case GDK_WINDOW_EDGE_NORTH_EAST:
winedge = HTTOPRIGHT;
break;
case GDK_WINDOW_EDGE_WEST:
winedge = HTLEFT;
break;
case GDK_WINDOW_EDGE_EAST:
winedge = HTRIGHT;
break;
case GDK_WINDOW_EDGE_SOUTH_WEST:
winedge = HTBOTTOMLEFT;
break;
case GDK_WINDOW_EDGE_SOUTH:
winedge = HTBOTTOM;
break;
case GDK_WINDOW_EDGE_SOUTH_EAST:
default:
winedge = HTBOTTOMRIGHT;
break;
}
DefWindowProcW (GDK_WINDOW_HWND (window), WM_NCLBUTTONDOWN, winedge,
MAKELPARAM (root_x - _gdk_offset_x, root_y - _gdk_offset_y));
}
static void
gdk_win32_window_begin_move_drag (GdkWindow *window,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
/* Tell Windows to start interactively moving the window by pretending that
* the left pointer button was clicked in the titlebar. This will only work
* if the button is down when this function is called, and will only work
* with button 1 (left), since Windows only allows window dragging using the
* left mouse button.
*/
if (button != 1)
return;
/* Must break the automatic grab that occured when the button was pressed,
* otherwise it won't work.
*/
gdk_device_ungrab (device, 0);
DefWindowProcW (GDK_WINDOW_HWND (window), WM_NCLBUTTONDOWN, HTCAPTION,
MAKELPARAM (root_x - _gdk_offset_x, root_y - _gdk_offset_y));
}
/*
* Setting window states
*/
static void
gdk_win32_window_iconify (GdkWindow *window)
{
HWND old_active_window;
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_iconify: %p: %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state)));
if (GDK_WINDOW_IS_MAPPED (window))
{
old_active_window = GetActiveWindow ();
ShowWindow (GDK_WINDOW_HWND (window), SW_MINIMIZE);
if (old_active_window != GDK_WINDOW_HWND (window))
SetActiveWindow (old_active_window);
}
else
{
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_ICONIFIED);
}
}
static void
gdk_win32_window_deiconify (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_deiconify: %p: %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state)));
if (GDK_WINDOW_IS_MAPPED (window))
{
show_window_internal (window, GDK_WINDOW_IS_MAPPED (window), TRUE);
}
else
{
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_ICONIFIED,
0);
}
}
static void
gdk_win32_window_stick (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
/* FIXME: Do something? */
}
static void
gdk_win32_window_unstick (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
/* FIXME: Do something? */
}
static void
gdk_win32_window_maximize (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_maximize: %p: %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state)));
if (GDK_WINDOW_IS_MAPPED (window))
ShowWindow (GDK_WINDOW_HWND (window), SW_MAXIMIZE);
else
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_MAXIMIZED);
}
static void
gdk_win32_window_unmaximize (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_unmaximize: %p: %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state)));
if (GDK_WINDOW_IS_MAPPED (window))
ShowWindow (GDK_WINDOW_HWND (window), SW_RESTORE);
else
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_MAXIMIZED,
0);
}
static void
gdk_win32_window_fullscreen (GdkWindow *window)
{
gint x, y, width, height;
FullscreenInfo *fi;
HMONITOR monitor;
MONITORINFO mi;
g_return_if_fail (GDK_IS_WINDOW (window));
fi = g_new (FullscreenInfo, 1);
if (!GetWindowRect (GDK_WINDOW_HWND (window), &(fi->r)))
g_free (fi);
else
{
GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
monitor = MonitorFromWindow (GDK_WINDOW_HWND (window), MONITOR_DEFAULTTONEAREST);
mi.cbSize = sizeof (mi);
if (monitor && GetMonitorInfo (monitor, &mi))
{
x = mi.rcMonitor.left;
y = mi.rcMonitor.top;
width = mi.rcMonitor.right - x;
height = mi.rcMonitor.bottom - y;
}
else
{
x = y = 0;
width = GetSystemMetrics (SM_CXSCREEN);
height = GetSystemMetrics (SM_CYSCREEN);
}
/* remember for restoring */
fi->hint_flags = impl->hint_flags;
impl->hint_flags &= ~GDK_HINT_MAX_SIZE;
g_object_set_data (G_OBJECT (window), "fullscreen-info", fi);
fi->style = GetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE);
/* Send state change before configure event */
gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_FULLSCREEN);
SetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE,
(fi->style & ~WS_OVERLAPPEDWINDOW) | WS_POPUP);
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), HWND_TOP,
x, y, width, height,
SWP_NOCOPYBITS | SWP_SHOWWINDOW));
}
}
static void
gdk_win32_window_unfullscreen (GdkWindow *window)
{
FullscreenInfo *fi;
g_return_if_fail (GDK_IS_WINDOW (window));
fi = g_object_get_data (G_OBJECT (window), "fullscreen-info");
if (fi)
{
GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
gdk_synthesize_window_state (window, GDK_WINDOW_STATE_FULLSCREEN, 0);
impl->hint_flags = fi->hint_flags;
SetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE, fi->style);
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), HWND_NOTOPMOST,
fi->r.left, fi->r.top,
fi->r.right - fi->r.left, fi->r.bottom - fi->r.top,
SWP_NOCOPYBITS | SWP_SHOWWINDOW));
g_object_set_data (G_OBJECT (window), "fullscreen-info", NULL);
g_free (fi);
update_style_bits (window);
}
}
static void
gdk_win32_window_set_keep_above (GdkWindow *window,
gboolean setting)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_set_keep_above: %p: %s\n",
GDK_WINDOW_HWND (window),
setting ? "YES" : "NO"));
if (GDK_WINDOW_IS_MAPPED (window))
{
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
setting ? HWND_TOPMOST : HWND_NOTOPMOST,
0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE));
}
gdk_synthesize_window_state (window,
setting ? GDK_WINDOW_STATE_BELOW : GDK_WINDOW_STATE_ABOVE,
setting ? GDK_WINDOW_STATE_ABOVE : 0);
}
static void
gdk_win32_window_set_keep_below (GdkWindow *window,
gboolean setting)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_set_keep_below: %p: %s\n",
GDK_WINDOW_HWND (window),
setting ? "YES" : "NO"));
if (GDK_WINDOW_IS_MAPPED (window))
{
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
setting ? HWND_BOTTOM : HWND_NOTOPMOST,
0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE));
}
gdk_synthesize_window_state (window,
setting ? GDK_WINDOW_STATE_ABOVE : GDK_WINDOW_STATE_BELOW,
setting ? GDK_WINDOW_STATE_BELOW : 0);
}
static void
gdk_win32_window_focus (GdkWindow *window,
guint32 timestamp)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_focus: %p: %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_window_state_to_string (window->state)));
if (window->state & GDK_WINDOW_STATE_MAXIMIZED)
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWMAXIMIZED);
else
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNORMAL);
SetFocus (GDK_WINDOW_HWND (window));
}
static void
gdk_win32_window_set_modal_hint (GdkWindow *window,
gboolean modal)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC, g_print ("gdk_window_set_modal_hint: %p: %s\n",
GDK_WINDOW_HWND (window),
modal ? "YES" : "NO"));
if (modal == window->modal_hint)
return;
window->modal_hint = modal;
#if 0
/* Not sure about this one.. -- Cody */
if (GDK_WINDOW_IS_MAPPED (window))
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window),
modal ? HWND_TOPMOST : HWND_NOTOPMOST,
0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE));
#else
if (modal)
{
_gdk_push_modal_window (window);
gdk_window_raise (window);
}
else
{
_gdk_remove_modal_window (window);
}
#endif
}
static void
gdk_win32_window_set_skip_taskbar_hint (GdkWindow *window,
gboolean skips_taskbar)
{
static GdkWindow *owner = NULL;
//GdkWindowAttr wa;
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (MISC, g_print ("gdk_window_set_skip_taskbar_hint: %p: %s, doing nothing\n",
GDK_WINDOW_HWND (window),
skips_taskbar ? "YES" : "NO"));
// ### TODO: Need to figure out what to do here.
return;
if (skips_taskbar)
{
#if 0
if (owner == NULL)
{
wa.window_type = GDK_WINDOW_TEMP;
wa.wclass = GDK_INPUT_OUTPUT;
wa.width = wa.height = 1;
wa.event_mask = 0;
owner = gdk_window_new_internal (NULL, &wa, 0, TRUE);
}
#endif
SetWindowLongPtr (GDK_WINDOW_HWND (window), GWLP_HWNDPARENT, (LONG_PTR) GDK_WINDOW_HWND (owner));
#if 0 /* Should we also turn off the minimize and maximize buttons? */
SetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE,
GetWindowLong (GDK_WINDOW_HWND (window), GWL_STYLE) & ~(WS_MINIMIZEBOX|WS_MAXIMIZEBOX|WS_SYSMENU));
SetWindowPos (GDK_WINDOW_HWND (window), SWP_NOZORDER_SPECIFIED,
0, 0, 0, 0,
SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE |
SWP_NOREPOSITION | SWP_NOSIZE | SWP_NOZORDER);
#endif
}
else
{
SetWindowLongPtr (GDK_WINDOW_HWND (window), GWLP_HWNDPARENT, 0);
}
}
static void
gdk_win32_window_set_skip_pager_hint (GdkWindow *window,
gboolean skips_pager)
{
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (MISC, g_print ("gdk_window_set_skip_pager_hint: %p: %s, doing nothing\n",
GDK_WINDOW_HWND (window),
skips_pager ? "YES" : "NO"));
}
static void
gdk_win32_window_set_type_hint (GdkWindow *window,
GdkWindowTypeHint hint)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (MISC,
G_STMT_START{
static GEnumClass *class = NULL;
if (!class)
class = g_type_class_ref (GDK_TYPE_WINDOW_TYPE_HINT);
g_print ("gdk_window_set_type_hint: %p: %s\n",
GDK_WINDOW_HWND (window),
g_enum_get_value (class, hint)->value_name);
}G_STMT_END);
((GdkWindowImplWin32 *)window->impl)->type_hint = hint;
update_style_bits (window);
}
static GdkWindowTypeHint
gdk_win32_window_get_type_hint (GdkWindow *window)
{
g_return_val_if_fail (GDK_IS_WINDOW (window), GDK_WINDOW_TYPE_HINT_NORMAL);
if (GDK_WINDOW_DESTROYED (window))
return GDK_WINDOW_TYPE_HINT_NORMAL;
return GDK_WINDOW_IMPL_WIN32 (window->impl)->type_hint;
}
static HRGN
cairo_region_to_hrgn (const cairo_region_t *region,
gint x_origin,
gint y_origin)
{
HRGN hrgn;
RGNDATA *rgndata;
RECT *rect;
cairo_rectangle_int_t r;
const int nrects = cairo_region_num_rectangles (region);
guint nbytes =
sizeof (RGNDATAHEADER) + (sizeof (RECT) * nrects);
int i;
rgndata = g_malloc (nbytes);
rgndata->rdh.dwSize = sizeof (RGNDATAHEADER);
rgndata->rdh.iType = RDH_RECTANGLES;
rgndata->rdh.nCount = rgndata->rdh.nRgnSize = 0;
SetRect (&rgndata->rdh.rcBound,
G_MAXLONG, G_MAXLONG, G_MINLONG, G_MINLONG);
for (i = 0; i < nrects; i++)
{
rect = ((RECT *) rgndata->Buffer) + rgndata->rdh.nCount++;
cairo_region_get_rectangle (region, i, &r);
rect->left = r.x + x_origin;
rect->right = rect->left + r.width;
rect->top = r.y + y_origin;
rect->bottom = rect->top + r.height;
if (rect->left < rgndata->rdh.rcBound.left)
rgndata->rdh.rcBound.left = rect->left;
if (rect->right > rgndata->rdh.rcBound.right)
rgndata->rdh.rcBound.right = rect->right;
if (rect->top < rgndata->rdh.rcBound.top)
rgndata->rdh.rcBound.top = rect->top;
if (rect->bottom > rgndata->rdh.rcBound.bottom)
rgndata->rdh.rcBound.bottom = rect->bottom;
}
if ((hrgn = ExtCreateRegion (NULL, nbytes, rgndata)) == NULL)
WIN32_API_FAILED ("ExtCreateRegion");
g_free (rgndata);
return (hrgn);
}
static void
gdk_win32_window_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
if (GDK_WINDOW_DESTROYED (window))
return;
if (!shape_region)
{
GDK_NOTE (MISC, g_print ("gdk_win32_window_shape_combine_region: %p: none\n",
GDK_WINDOW_HWND (window)));
SetWindowRgn (GDK_WINDOW_HWND (window), NULL, TRUE);
}
else
{
HRGN hrgn;
hrgn = cairo_region_to_hrgn (shape_region, 0, 0);
GDK_NOTE (MISC, g_print ("gdk_win32_window_shape_combine_region: %p: %p\n",
GDK_WINDOW_HWND (window),
hrgn));
do_shape_combine_region (window, hrgn, offset_x, offset_y);
}
}
GdkWindow *
gdk_win32_window_lookup_for_display (GdkDisplay *display,
HWND anid)
{
g_return_val_if_fail (display == _gdk_display, NULL);
return (GdkWindow*) gdk_win32_handle_table_lookup (anid);
}
static void
gdk_win32_window_set_opacity (GdkWindow *window,
gdouble opacity)
{
LONG exstyle;
typedef BOOL (WINAPI *PFN_SetLayeredWindowAttributes) (HWND, COLORREF, BYTE, DWORD);
PFN_SetLayeredWindowAttributes setLayeredWindowAttributes = NULL;
g_return_if_fail (GDK_IS_WINDOW (window));
if (!WINDOW_IS_TOPLEVEL (window) || GDK_WINDOW_DESTROYED (window))
return;
if (opacity < 0)
opacity = 0;
else if (opacity > 1)
opacity = 1;
exstyle = GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE);
if (!(exstyle & WS_EX_LAYERED))
SetWindowLong (GDK_WINDOW_HWND (window),
GWL_EXSTYLE,
exstyle | WS_EX_LAYERED);
setLayeredWindowAttributes =
(PFN_SetLayeredWindowAttributes)GetProcAddress (GetModuleHandle ("user32.dll"), "SetLayeredWindowAttributes");
if (setLayeredWindowAttributes)
{
API_CALL (setLayeredWindowAttributes, (GDK_WINDOW_HWND (window),
0,
opacity * 0xff,
LWA_ALPHA));
}
}
static cairo_region_t *
gdk_win32_window_get_shape (GdkWindow *window)
{
HRGN hrgn = CreateRectRgn (0, 0, 0, 0);
int type = GetWindowRgn (GDK_WINDOW_HWND (window), hrgn);
if (type == SIMPLEREGION || type == COMPLEXREGION)
{
cairo_region_t *region = _gdk_win32_hrgn_to_region (hrgn);
DeleteObject (hrgn);
return region;
}
return NULL;
}
static void
gdk_win32_input_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
/* Partial input shape support is implemented by handling the
* WM_NCHITTEST message.
*/
}
gboolean
gdk_win32_window_is_win32 (GdkWindow *window)
{
return GDK_WINDOW_IS_WIN32 (window);
}
/**
* _gdk_win32_acquire_dc
* @impl: a Win32 #GdkWindowImplWin32 implementation
*
* Gets a DC with the given drawable selected into it.
*
* Returns: The DC, on success. Otherwise
* %NULL. If this function succeeded
* _gdk_win32_impl_release_dc() must be called
* release the DC when you are done using it.
**/
static HDC
_gdk_win32_impl_acquire_dc (GdkWindowImplWin32 *impl)
{
if (GDK_IS_WINDOW_IMPL_WIN32 (impl) &&
GDK_WINDOW_DESTROYED (impl->wrapper))
return NULL;
if (!impl->hdc)
{
impl->hdc = GetDC (impl->handle);
if (!impl->hdc)
WIN32_GDI_FAILED ("GetDC");
}
if (impl->hdc)
{
impl->hdc_count++;
return impl->hdc;
}
else
{
return NULL;
}
}
/**
* _gdk_win32_impl_release_dc
* @impl: a Win32 #GdkWindowImplWin32 implementation
*
* Releases the reference count for the DC
* from _gdk_win32_impl_acquire_dc()
**/
static void
_gdk_win32_impl_release_dc (GdkWindowImplWin32 *impl)
{
g_return_if_fail (impl->hdc_count > 0);
impl->hdc_count--;
if (impl->hdc_count == 0)
{
if (impl->saved_dc_bitmap)
{
GDI_CALL (SelectObject, (impl->hdc, impl->saved_dc_bitmap));
impl->saved_dc_bitmap = NULL;
}
if (impl->hdc)
{
GDI_CALL (ReleaseDC, (impl->handle, impl->hdc));
impl->hdc = NULL;
}
}
}
HWND
gdk_win32_window_get_impl_hwnd (GdkWindow *window)
{
if (GDK_WINDOW_IS_WIN32 (window))
return GDK_WINDOW_HWND (window);
return NULL;
}
static void
gdk_win32_cairo_surface_destroy (void *data)
{
GdkWindowImplWin32 *impl = data;
_gdk_win32_impl_release_dc (impl);
impl->cairo_surface = NULL;
}
static cairo_surface_t *
gdk_win32_ref_cairo_surface (GdkWindow *window)
{
GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
if (GDK_IS_WINDOW_IMPL_WIN32 (impl) &&
GDK_WINDOW_DESTROYED (impl->wrapper))
return NULL;
if (!impl->cairo_surface)
{
HDC hdc = _gdk_win32_impl_acquire_dc (impl);
if (!hdc)
return NULL;
impl->cairo_surface = cairo_win32_surface_create_with_format (hdc, CAIRO_FORMAT_ARGB32);
cairo_surface_set_user_data (impl->cairo_surface, &gdk_win32_cairo_key,
impl, gdk_win32_cairo_surface_destroy);
}
else
cairo_surface_reference (impl->cairo_surface);
return impl->cairo_surface;
}
static void
gdk_window_impl_win32_class_init (GdkWindowImplWin32Class *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkWindowImplClass *impl_class = GDK_WINDOW_IMPL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gdk_window_impl_win32_finalize;
impl_class->ref_cairo_surface = gdk_win32_ref_cairo_surface;
impl_class->show = gdk_win32_window_show;
impl_class->hide = gdk_win32_window_hide;
impl_class->withdraw = gdk_win32_window_withdraw;
impl_class->set_events = gdk_win32_window_set_events;
impl_class->get_events = gdk_win32_window_get_events;
impl_class->raise = gdk_win32_window_raise;
impl_class->lower = gdk_win32_window_lower;
impl_class->restack_under = gdk_win32_window_restack_under;
impl_class->restack_toplevel = gdk_win32_window_restack_toplevel;
impl_class->move_resize = gdk_win32_window_move_resize;
impl_class->set_background = gdk_win32_window_set_background;
impl_class->reparent = gdk_win32_window_reparent;
impl_class->set_device_cursor = gdk_win32_window_set_device_cursor;
impl_class->get_geometry = gdk_win32_window_get_geometry;
impl_class->get_device_state = gdk_window_win32_get_device_state;
impl_class->get_root_coords = gdk_win32_window_get_root_coords;
impl_class->shape_combine_region = gdk_win32_window_shape_combine_region;
impl_class->input_shape_combine_region = gdk_win32_input_shape_combine_region;
impl_class->destroy = gdk_win32_window_destroy;
impl_class->destroy_foreign = gdk_win32_window_destroy_foreign;
impl_class->get_shape = gdk_win32_window_get_shape;
//FIXME?: impl_class->get_input_shape = gdk_win32_window_get_input_shape;
//impl_class->beep = gdk_x11_window_beep;
impl_class->focus = gdk_win32_window_focus;
impl_class->set_type_hint = gdk_win32_window_set_type_hint;
impl_class->get_type_hint = gdk_win32_window_get_type_hint;
impl_class->set_modal_hint = gdk_win32_window_set_modal_hint;
impl_class->set_skip_taskbar_hint = gdk_win32_window_set_skip_taskbar_hint;
impl_class->set_skip_pager_hint = gdk_win32_window_set_skip_pager_hint;
impl_class->set_urgency_hint = gdk_win32_window_set_urgency_hint;
impl_class->set_geometry_hints = gdk_win32_window_set_geometry_hints;
impl_class->set_title = gdk_win32_window_set_title;
impl_class->set_role = gdk_win32_window_set_role;
//impl_class->set_startup_id = gdk_x11_window_set_startup_id;
impl_class->set_transient_for = gdk_win32_window_set_transient_for;
impl_class->get_frame_extents = gdk_win32_window_get_frame_extents;
impl_class->set_override_redirect = gdk_win32_window_set_override_redirect;
impl_class->set_accept_focus = gdk_win32_window_set_accept_focus;
impl_class->set_focus_on_map = gdk_win32_window_set_focus_on_map;
impl_class->set_icon_list = gdk_win32_window_set_icon_list;
impl_class->set_icon_name = gdk_win32_window_set_icon_name;
impl_class->iconify = gdk_win32_window_iconify;
impl_class->deiconify = gdk_win32_window_deiconify;
impl_class->stick = gdk_win32_window_stick;
impl_class->unstick = gdk_win32_window_unstick;
impl_class->maximize = gdk_win32_window_maximize;
impl_class->unmaximize = gdk_win32_window_unmaximize;
impl_class->fullscreen = gdk_win32_window_fullscreen;
impl_class->unfullscreen = gdk_win32_window_unfullscreen;
impl_class->set_keep_above = gdk_win32_window_set_keep_above;
impl_class->set_keep_below = gdk_win32_window_set_keep_below;
impl_class->get_group = gdk_win32_window_get_group;
impl_class->set_group = gdk_win32_window_set_group;
impl_class->set_decorations = gdk_win32_window_set_decorations;
impl_class->get_decorations = gdk_win32_window_get_decorations;
impl_class->set_functions = gdk_win32_window_set_functions;
impl_class->begin_resize_drag = gdk_win32_window_begin_resize_drag;
impl_class->begin_move_drag = gdk_win32_window_begin_move_drag;
impl_class->set_opacity = gdk_win32_window_set_opacity;
//impl_class->set_composited = gdk_win32_window_set_composited;
impl_class->destroy_notify = gdk_win32_window_destroy_notify;
impl_class->get_drag_protocol = _gdk_win32_window_get_drag_protocol;
impl_class->register_dnd = _gdk_win32_window_register_dnd;
impl_class->drag_begin = _gdk_win32_window_drag_begin;
//? impl_class->sync_rendering = _gdk_win32_window_sync_rendering;
impl_class->simulate_key = _gdk_win32_window_simulate_key;
impl_class->simulate_button = _gdk_win32_window_simulate_button;
impl_class->get_property = _gdk_win32_window_get_property;
impl_class->change_property = _gdk_win32_window_change_property;
impl_class->delete_property = _gdk_win32_window_delete_property;
impl_class->create_gl_context = _gdk_win32_window_create_gl_context;
impl_class->invalidate_for_new_frame = _gdk_win32_window_invalidate_for_new_frame;
}
HGDIOBJ
gdk_win32_window_get_handle (GdkWindow *window)
{
/* Try to ensure the window has a native window */
if (!_gdk_window_has_impl (window))
gdk_window_ensure_native (window);
if (!GDK_WINDOW_IS_WIN32 (window))
{
g_warning (G_STRLOC " window is not a native Win32 window");
return NULL;
}
return GDK_WINDOW_HWND (window);
}
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