/* 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 .
*/
/*
* 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
#include "gdk.h"
#include "gdkprivate-win32.h"
#include "gdkdeviceprivate.h"
#include "gdkdevicemanager-win32.h"
#include "gdkenumtypes.h"
#include "gdkwin32.h"
#include "gdkdisplayprivate.h"
#include "gdkdragsurfaceprivate.h"
#include "gdkframeclockidleprivate.h"
#include "gdkmonitorprivate.h"
#include "gdkpopupprivate.h"
#include "gdkseatprivate.h"
#include "gdksurfaceprivate.h"
#include "gdktoplevelprivate.h"
#include "gdkwin32surface.h"
#include "gdkwin32cursor.h"
#include "gdkinput-dmanipulation.h"
#include "gdkinput-winpointer.h"
#include "gdkglcontext-win32.h"
#include "gdkdisplay-win32.h"
#include "gdkdevice-win32.h"
#include "gdkcairocontext-win32.h"
#include "gdkmonitor-win32.h"
#include
#include
#include
/* forward declarations */
static void gdk_surface_win32_finalize (GObject *object);
static void compute_toplevel_size (GdkSurface *surface,
gboolean update_geometry,
int *width,
int *height);
static void gdk_win32_toplevel_state_callback (GdkSurface *surface);
static void gdk_win32_surface_set_transient_for (GdkSurface *surface,
GdkSurface *parent);
static void gdk_win32_push_modal_surface (GdkSurface *surface);
static void gdk_win32_remove_modal_surface (GdkSurface *surface);
static void gdk_win32_impl_frame_clock_after_paint (GdkFrameClock *clock,
GdkSurface *surface);
static void gdk_win32_surface_maximize (GdkSurface *surface);
static void gdk_win32_surface_unmaximize (GdkSurface *surface);
static void gdk_win32_surface_minimize (GdkSurface *surface);
typedef struct _FullscreenInfo FullscreenInfo;
struct _FullscreenInfo
{
RECT r;
guint hint_flags;
LONG style;
};
G_DEFINE_TYPE (GdkWin32Surface, gdk_win32_surface, GDK_TYPE_SURFACE)
static void
gdk_win32_surface_init (GdkWin32Surface *impl)
{
impl->hicon_big = NULL;
impl->hicon_small = NULL;
impl->hint_flags = 0;
impl->transient_owner = NULL;
impl->transient_children = NULL;
impl->num_transients = 0;
impl->changing_state = FALSE;
impl->surface_scale = 1;
}
static void
gdk_surface_win32_dispose (GObject *object)
{
GdkWin32Surface *surface;
g_return_if_fail (GDK_IS_WIN32_SURFACE (object));
surface = GDK_WIN32_SURFACE (object);
g_clear_object (&surface->cursor);
G_OBJECT_CLASS (gdk_win32_surface_parent_class)->dispose (object);
}
static void
gdk_surface_win32_finalize (GObject *object)
{
GdkWin32Surface *surface;
g_return_if_fail (GDK_IS_WIN32_SURFACE (object));
surface = GDK_WIN32_SURFACE (object);
if (!GDK_SURFACE_DESTROYED (surface))
{
gdk_win32_display_handle_table_remove (gdk_surface_get_display (GDK_SURFACE (surface)),
surface->handle);
}
if (surface->hicon_big != NULL)
{
GDI_CALL (DestroyIcon, (surface->hicon_big));
surface->hicon_big = NULL;
}
if (surface->hicon_small != NULL)
{
GDI_CALL (DestroyIcon, (surface->hicon_small));
surface->hicon_small = NULL;
}
_gdk_win32_surface_unregister_dnd (GDK_SURFACE (surface));
g_assert (surface->transient_owner == NULL);
g_assert (surface->transient_children == NULL);
G_OBJECT_CLASS (gdk_win32_surface_parent_class)->finalize (object);
}
void
_gdk_win32_get_window_client_area_rect (GdkSurface *surface,
int scale,
RECT *rect)
{
int x, y, width, height;
gdk_surface_get_geometry (surface, &x, &y, NULL, NULL);
width = gdk_surface_get_width (surface);
height = gdk_surface_get_height (surface);
rect->left = x * scale;
rect->top = y * scale;
rect->right = rect->left + width * scale;
rect->bottom = rect->top + height * scale;
}
static void
gdk_win32_impl_frame_clock_after_paint (GdkFrameClock *clock,
GdkSurface *surface)
{
DWM_TIMING_INFO timing_info;
LARGE_INTEGER tick_frequency;
GdkFrameTimings *timings;
timings = gdk_frame_clock_get_timings (clock, gdk_frame_clock_get_frame_counter (clock));
if (timings)
{
timings->refresh_interval = 16667; /* default to 1/60th of a second */
timings->presentation_time = 0;
if (QueryPerformanceFrequency (&tick_frequency))
{
HRESULT hr;
timing_info.cbSize = sizeof (timing_info);
hr = DwmGetCompositionTimingInfo (NULL, &timing_info);
if (SUCCEEDED (hr))
{
timings->refresh_interval = timing_info.qpcRefreshPeriod * (double)G_USEC_PER_SEC / tick_frequency.QuadPart;
timings->presentation_time = timing_info.qpcCompose * (double)G_USEC_PER_SEC / tick_frequency.QuadPart;
}
}
timings->complete = TRUE;
}
}
void
_gdk_win32_adjust_client_rect (GdkSurface *surface,
RECT *rect)
{
LONG style, exstyle;
style = GetWindowLong (GDK_SURFACE_HWND (surface), GWL_STYLE);
exstyle = GetWindowLong (GDK_SURFACE_HWND (surface), GWL_EXSTYLE);
API_CALL (AdjustWindowRectEx, (rect, style, FALSE, exstyle));
}
gboolean
_gdk_win32_surface_enable_transparency (GdkSurface *surface)
{
DWM_BLURBEHIND blur_behind;
HRGN empty_region;
HRESULT call_result;
HWND this_hwnd;
if (surface == NULL || GDK_SURFACE_HWND (surface) == NULL)
return FALSE;
if (!gdk_display_is_composited (gdk_surface_get_display (surface)))
return FALSE;
this_hwnd = GDK_SURFACE_HWND (surface);
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 (this_hwnd, &blur_behind);
if (!SUCCEEDED (call_result))
g_warning ("%s: %s (%p) failed: %" G_GINT32_MODIFIER "x",
G_STRLOC, "DwmEnableBlurBehindWindow", this_hwnd, (guint32) call_result);
DeleteObject (empty_region);
return SUCCEEDED (call_result);
}
static const char *
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
* GdkSurfaceType. 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 (GType wtype)
{
static ATOM klassTOPLEVEL = 0;
static ATOM klassTEMP = 0;
static HICON hAppIcon = NULL;
static HICON hAppIconSm = NULL;
static WNDCLASSEXW wcl;
ATOM klass = 0;
wcl.cbSize = sizeof (WNDCLASSEXW);
wcl.style = 0; /* DON'T set CS_REDRAW. It causes total redraw
* on WM_SIZE and WM_MOVE. Flicker, Performance!
*/
wcl.lpfnWndProc = _gdk_win32_surface_procedure;
wcl.cbClsExtra = 0;
wcl.cbWndExtra = 0;
wcl.hInstance = this_module ();
wcl.hIcon = 0;
wcl.hIconSm = 0;
/* initialize once! */
if (0 == hAppIcon && 0 == hAppIconSm)
{
wchar_t sLoc [MAX_PATH+1];
// try to load first icon of executable program
if (0 != GetModuleFileName (NULL, sLoc, MAX_PATH))
{
ExtractIconEx (sLoc, 0, &hAppIcon, &hAppIconSm, 1);
if (0 == hAppIcon && 0 == hAppIconSm)
{
// fallback : load icon from GTK DLL
if (0 != GetModuleFileName (this_module (), 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 surfaces ...
*/
#define ONCE_PER_CLASS() \
wcl.hIcon = CopyIcon (hAppIcon); \
wcl.hIconSm = CopyIcon (hAppIconSm); \
wcl.hbrBackground = NULL; \
wcl.hCursor = LoadCursor (NULL, IDC_ARROW);
/* MSDN: CS_OWNDC is needed for OpenGL contexts */
wcl.style |= CS_OWNDC;
if (wtype != GDK_TYPE_WIN32_DRAG_SURFACE)
{
if (0 == klassTOPLEVEL)
{
wcl.lpszClassName = L"gdkSurfaceToplevel";
ONCE_PER_CLASS ();
klassTOPLEVEL = RegisterClassExW (&wcl);
}
klass = klassTOPLEVEL;
}
else
{
if (klassTEMP == 0)
{
wcl.lpszClassName = L"gdkSurfaceTemp";
wcl.style |= CS_SAVEBITS;
ONCE_PER_CLASS ();
klassTEMP = RegisterClassExW (&wcl);
}
klass = klassTEMP;
}
if (klass == 0)
{
WIN32_API_FAILED ("RegisterClassExW");
g_error ("That is a fatal error");
}
return klass;
}
static void
gdk_win32_surface_constructed (GObject *object)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (object);
GdkSurface *surface = GDK_SURFACE (impl);
GdkDisplay *display = gdk_surface_get_display (surface);
GdkWin32Display *display_win32 = GDK_WIN32_DISPLAY (display);
GdkFrameClock *frame_clock;
HANDLE owner;
ATOM klass = 0;
DWORD dwStyle = 0, dwExStyle;
RECT rect;
const char *title;
wchar_t *wtitle;
impl->surface_scale = gdk_win32_display_get_monitor_scale_factor (display_win32, NULL, NULL);
dwExStyle = 0;
owner = NULL;
/* MSDN: We need WS_CLIPCHILDREN and WS_CLIPSIBLINGS for GL Context Creation */
dwStyle = WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
if (G_OBJECT_TYPE (impl) == GDK_TYPE_WIN32_TOPLEVEL)
{
dwStyle |= WS_OVERLAPPEDWINDOW;
frame_clock = _gdk_frame_clock_idle_new ();
}
else if (G_OBJECT_TYPE (impl) == GDK_TYPE_WIN32_DRAG_SURFACE)
{
dwExStyle |= WS_EX_TOOLWINDOW | WS_EX_TOPMOST;
dwStyle |= WS_POPUP;
frame_clock = _gdk_frame_clock_idle_new ();
}
else if (G_OBJECT_TYPE (impl) == GDK_TYPE_WIN32_POPUP)
{
GdkSurface *parent = gdk_popup_get_parent (GDK_POPUP (impl));
dwStyle |= WS_POPUP;
owner = GDK_SURFACE_HWND (parent);
frame_clock = g_object_ref (gdk_surface_get_frame_clock (parent));
}
else
{
g_assert_not_reached ();
}
gdk_surface_set_frame_clock (surface, frame_clock);
g_object_unref (frame_clock);
title = get_default_title ();
if (!title || !*title)
title = "";
klass = RegisterGdkClass (G_OBJECT_TYPE (impl));
wtitle = g_utf8_to_utf16 (title, -1, NULL, NULL, NULL);
impl->handle = CreateWindowExW (dwExStyle,
MAKEINTRESOURCEW (klass),
wtitle,
dwStyle,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
owner,
NULL,
this_module (),
surface);
if (impl->handle == NULL)
{
WIN32_API_FAILED ("CreateWindowExW");
g_error ("Fatal error: CreateWindowExW failed.");
}
GetWindowRect (impl->handle, &rect);
impl->initial_x = rect.left;
impl->initial_y = rect.top;
g_object_ref (impl);
/* Take note: we're inserting a pointer into a heap-allocated
* object (impl). Inserting a pointer to a stack variable
* will break the logic, since stack variables are short-lived.
* We insert a pointer to the handle instead of the handle itself
* probably because we need to hash them differently depending
* on the bitness of the OS. That pointer is still unique,
* so this works out in the end.
*/
gdk_win32_display_handle_table_insert (display, &GDK_SURFACE_HWND (impl), impl);
g_free (wtitle);
gdk_surface_set_egl_native_window (surface, (void *) impl->handle);
if (G_OBJECT_TYPE (impl) != GDK_TYPE_WIN32_DRAG_SURFACE)
{
if (display_win32->tablet_input_api == GDK_WIN32_TABLET_INPUT_API_WINPOINTER)
gdk_winpointer_initialize_surface (surface);
gdk_dmanipulation_initialize_surface (surface);
}
_gdk_win32_surface_enable_transparency (surface);
_gdk_win32_surface_register_dnd (surface);
_gdk_win32_surface_update_style_bits (surface);
g_signal_connect (frame_clock,
"after-paint",
G_CALLBACK (gdk_win32_impl_frame_clock_after_paint),
impl);
impl->hdc = GetDC (impl->handle);
impl->inhibit_configure = TRUE;
G_OBJECT_CLASS (gdk_win32_surface_parent_class)->constructed (object);
}
static void
gdk_win32_surface_destroy (GdkSurface *surface,
gboolean foreign_destroy)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
g_return_if_fail (GDK_IS_SURFACE (surface));
GDK_NOTE (MISC, g_print ("gdk_win32_surface_destroy: %p\n",
GDK_SURFACE_HWND (surface)));
/* Remove ourself from the modal stack */
gdk_win32_remove_modal_surface (surface);
g_signal_handlers_disconnect_by_func (gdk_surface_get_frame_clock (surface),
gdk_win32_impl_frame_clock_after_paint,
surface);
/* Remove all our transient children */
while (impl->transient_children != NULL)
{
GdkSurface *child = impl->transient_children->data;
gdk_win32_surface_set_transient_for (child, NULL);
}
/* Remove ourself from our transient owner */
if (impl->transient_owner != NULL)
{
gdk_win32_surface_set_transient_for (surface, NULL);
}
if (!foreign_destroy)
{
gdk_surface_set_egl_native_window (surface, NULL);
surface->destroyed = TRUE;
DestroyWindow (GDK_SURFACE_HWND (surface));
}
}
/* This function is called when the surface really gone.
*/
static void
gdk_win32_surface_destroy_notify (GdkSurface *surface)
{
g_return_if_fail (GDK_IS_SURFACE (surface));
GDK_NOTE (EVENTS,
g_print ("gdk_surface_destroy_notify: %p%s\n",
GDK_SURFACE_HWND (surface),
(GDK_SURFACE_DESTROYED (surface) ? " (destroyed)" : "")));
if (!GDK_SURFACE_DESTROYED (surface))
{
g_warning ("surface %p unexpectedly destroyed",
GDK_SURFACE_HWND (surface));
_gdk_surface_destroy (surface, TRUE);
}
gdk_win32_display_handle_table_remove (gdk_surface_get_display (surface),
GDK_SURFACE_HWND (surface));
g_object_unref (surface);
}
static void
get_outer_rect (GdkSurface *surface,
int width,
int height,
RECT *rect)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
rect->left = rect->top = 0;
rect->right = width * impl->surface_scale;
rect->bottom = height * impl->surface_scale;
_gdk_win32_adjust_client_rect (surface, rect);
}
static void
gdk_win32_surface_fullscreen (GdkSurface *surface,
GdkMonitor *monitor);
static void
show_surface_internal (GdkSurface *surface,
gboolean already_mapped,
gboolean unminimize)
{
GdkWin32Surface *impl;
DWORD exstyle;
if (surface->destroyed)
return;
GDK_NOTE (MISC, g_print ("show_surface_internal: %p: %s%s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_state_to_string (surface->state),
(unminimize ? " unminimize" : "")));
/* If asked to show (not unminimize) a withdrawn and iconified
* surface, do that.
*/
if (!unminimize &&
!already_mapped &&
(surface->state & GDK_TOPLEVEL_STATE_MINIMIZED))
{
GtkShowSurfaceHWND (surface, SW_SHOWMINNOACTIVE);
return;
}
/* If asked to just show an iconified surface, do nothing. */
if (!unminimize && (surface->state & GDK_TOPLEVEL_STATE_MINIMIZED))
return;
/* If asked to unminimize an already noniconified surface, do
* nothing. (Especially, don't cause the surface to rise and
* activate. There are different calls for that.)
*/
if (unminimize && !(surface->state & GDK_TOPLEVEL_STATE_MINIMIZED))
return;
/* If asked to show (but not raise) a surface that is already
* visible, do nothing.
*/
if (!unminimize && !already_mapped && IsWindowVisible (GDK_SURFACE_HWND (surface)))
return;
/* For initial map of "normal" surfaces we want to emulate WM surface
* positioning behaviour, which means:
* + default to the initial CW_USEDEFAULT placement,
* no matter if the user moved the surface before showing it.
* + Certain surface types and hints have more elaborate positioning
* schemes.
*/
impl = GDK_WIN32_SURFACE (surface);
if (!already_mapped &&
GDK_IS_TOPLEVEL (surface))
{
gboolean center = FALSE;
RECT hwnd_rect, center_on_rect;
int x, y;
x = impl->initial_x;
y = impl->initial_y;
if (FALSE)
{
HMONITOR monitor;
MONITORINFO mi;
monitor = MonitorFromWindow (GDK_SURFACE_HWND (surface), 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.top = 0;
center_on_rect.right = GetSystemMetrics (SM_CXSCREEN);
center_on_rect.bottom = GetSystemMetrics (SM_CYSCREEN);
}
center = TRUE;
}
else if (impl->transient_owner != NULL &&
GDK_SURFACE_IS_MAPPED (impl->transient_owner))
{
GdkSurface *owner = impl->transient_owner;
/* Center on transient parent */
center_on_rect.left = owner->x * impl->surface_scale;
center_on_rect.top = owner->y * impl->surface_scale;
center_on_rect.right = center_on_rect.left + owner->width * impl->surface_scale;
center_on_rect.bottom = center_on_rect.top + owner->height * impl->surface_scale;
_gdk_win32_adjust_client_rect (GDK_SURFACE (owner), ¢er_on_rect);
center = TRUE;
}
if (center)
{
GetWindowRect (GDK_SURFACE_HWND (surface), &hwnd_rect);
x = center_on_rect.left + ((center_on_rect.right - center_on_rect.left) - (hwnd_rect.right - hwnd_rect.left)) / 2;
y = center_on_rect.top + ((center_on_rect.bottom - center_on_rect.top) - (hwnd_rect.bottom - hwnd_rect.top)) / 2;
}
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
SWP_NOZORDER_SPECIFIED,
x, y, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
if (!already_mapped && GDK_IS_TOPLEVEL (surface))
{
/* Ensure new surfaces are fully onscreen */
RECT hwnd_rect;
HMONITOR monitor;
MONITORINFO mi;
int x, y;
GetWindowRect (GDK_SURFACE_HWND (surface), &hwnd_rect);
monitor = MonitorFromWindow (GDK_SURFACE_HWND (surface), MONITOR_DEFAULTTONEAREST);
mi.cbSize = sizeof (mi);
if (monitor && GetMonitorInfo (monitor, &mi))
{
x = hwnd_rect.left;
y = hwnd_rect.top;
if (hwnd_rect.right > mi.rcWork.right)
{
hwnd_rect.left -= (hwnd_rect.right - mi.rcWork.right);
hwnd_rect.right -= (hwnd_rect.right - mi.rcWork.right);
}
if (hwnd_rect.bottom > mi.rcWork.bottom)
{
hwnd_rect.top -= (hwnd_rect.bottom - mi.rcWork.bottom);
hwnd_rect.bottom -= (hwnd_rect.bottom - mi.rcWork.bottom);
}
if (hwnd_rect.left < mi.rcWork.left)
{
hwnd_rect.right += (mi.rcWork.left - hwnd_rect.left);
hwnd_rect.left += (mi.rcWork.left - hwnd_rect.left);
}
if (hwnd_rect.top < mi.rcWork.top)
{
hwnd_rect.bottom += (mi.rcWork.top - hwnd_rect.top);
hwnd_rect.top += (mi.rcWork.top - hwnd_rect.top);
}
if (x != hwnd_rect.left || y != hwnd_rect.top)
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
SWP_NOZORDER_SPECIFIED,
hwnd_rect.left, hwnd_rect.top, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
}
if (surface->state & GDK_TOPLEVEL_STATE_MAXIMIZED)
{
GtkShowSurfaceHWND (surface, SW_MAXIMIZE);
}
else if (surface->state & GDK_TOPLEVEL_STATE_MINIMIZED)
{
GtkShowSurfaceHWND (surface, SW_RESTORE);
}
else if (GDK_IS_DRAG_SURFACE (surface))
{
if (!IsWindowVisible (GDK_SURFACE_HWND (surface)))
GtkShowSurfaceHWND (surface, SW_SHOWNOACTIVATE);
else
GtkShowSurfaceHWND (surface, SW_SHOWNA);
}
else if (!IsWindowVisible (GDK_SURFACE_HWND (surface)))
{
GtkShowSurfaceHWND (surface, SW_SHOWNORMAL);
}
else
{
GtkShowSurfaceHWND (surface, SW_SHOW);
}
exstyle = GetWindowLong (GDK_SURFACE_HWND (surface), GWL_EXSTYLE);
/* Sync STATE_ABOVE to TOPMOST */
if (!GDK_IS_DRAG_SURFACE (surface) &&
(((surface->state & GDK_TOPLEVEL_STATE_ABOVE) &&
!(exstyle & WS_EX_TOPMOST)) ||
(!(surface->state & GDK_TOPLEVEL_STATE_ABOVE) &&
(exstyle & WS_EX_TOPMOST))))
{
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
(surface->state & GDK_TOPLEVEL_STATE_ABOVE)?HWND_TOPMOST:HWND_NOTOPMOST,
0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE));
}
}
void
gdk_win32_surface_show (GdkSurface *surface,
gboolean already_mapped)
{
show_surface_internal (surface, FALSE, FALSE);
}
static void
gdk_win32_surface_hide (GdkSurface *surface)
{
if (surface->destroyed)
return;
GDK_NOTE (MISC, g_print ("gdk_win32_surface_hide: %p: %s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_state_to_string (surface->state)));
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_surface_set_is_mapped (surface, FALSE);
_gdk_surface_clear_update_area (surface);
GtkShowSurfaceHWND (surface, SW_HIDE);
}
static void
gdk_win32_surface_do_move (GdkSurface *surface,
int x,
int y)
{
RECT outer_rect;
GdkWin32Surface *impl;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
GDK_NOTE (MISC, g_print ("gdk_win32_surface_move: %p: %+d%+d\n",
GDK_SURFACE_HWND (surface), x, y));
if (surface->state & GDK_TOPLEVEL_STATE_FULLSCREEN)
return;
impl = GDK_WIN32_SURFACE (surface);
get_outer_rect (surface, surface->width, surface->height, &outer_rect);
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,%d,%d,0,0,"
"NOACTIVATE|NOSIZE|NOZORDER)\n",
GDK_SURFACE_HWND (surface),
x * impl->surface_scale,
y * impl->surface_scale));
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
SWP_NOZORDER_SPECIFIED,
x * impl->surface_scale,
y * impl->surface_scale,
0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
void
gdk_win32_surface_resize (GdkSurface *surface,
int width,
int height)
{
RECT outer_rect;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
if (width < 1)
width = 1;
if (height < 1)
height = 1;
GDK_NOTE (MISC, g_print ("gdk_win32_surface_resize: %p: %dx%d\n",
GDK_SURFACE_HWND (surface), width, height));
if (surface->state & GDK_TOPLEVEL_STATE_FULLSCREEN)
return;
get_outer_rect (surface, width, height, &outer_rect);
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,0,0,%ld,%ld,"
"NOACTIVATE|NOMOVE|NOZORDER)\n",
GDK_SURFACE_HWND (surface),
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top));
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
SWP_NOZORDER_SPECIFIED,
0, 0,
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER));
surface->resize_count += 1;
if (!GDK_WIN32_SURFACE (surface)->force_recompute_size)
gdk_surface_request_layout (surface);
}
static void
gdk_win32_surface_do_move_resize (GdkSurface *surface,
int x,
int y,
int width,
int height)
{
RECT outer_rect;
GdkWin32Surface *impl;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
if (width < 1)
width = 1;
if (height < 1)
height = 1;
if (surface->state & GDK_TOPLEVEL_STATE_FULLSCREEN)
return;
GDK_NOTE (MISC, g_print ("gdk_win32_surface_move_resize: %p: %dx%d@%+d%+d\n",
GDK_SURFACE_HWND (surface),
width, height, x, y));
impl = GDK_WIN32_SURFACE (surface);
get_outer_rect (surface, width, height, &outer_rect);
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,%d,%d,%ld,%ld,"
"NOACTIVATE|NOZORDER)\n",
GDK_SURFACE_HWND (surface),
x * impl->surface_scale,
y * impl->surface_scale,
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top));
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
SWP_NOZORDER_SPECIFIED,
x * impl->surface_scale,
y * impl->surface_scale,
outer_rect.right - outer_rect.left,
outer_rect.bottom - outer_rect.top,
SWP_NOACTIVATE | SWP_NOZORDER));
}
static void
gdk_win32_surface_move_resize_internal (GdkSurface *surface,
gboolean with_move,
int x,
int y,
int width,
int height)
{
/* We ignore changes to the surface being moved or resized by the
user, as we don't want to fight the user */
if (GDK_SURFACE_HWND (surface) == GDK_WIN32_DISPLAY (gdk_surface_get_display (surface))->display_surface_record->modal_move_resize_hwnd)
goto out;
if (with_move && (width < 0 && height < 0))
{
gdk_win32_surface_do_move (surface, x, y);
}
else
{
_gdk_win32_surface_invalidate_egl_framebuffer (surface);
if (with_move)
{
gdk_win32_surface_do_move_resize (surface, x, y, width, height);
}
else
{
gdk_win32_surface_resize (surface, width, height);
}
}
out:
gdk_surface_request_layout (surface);
}
void
gdk_win32_surface_move_resize (GdkSurface *surface,
int x,
int y,
int width,
int height)
{
gdk_win32_surface_move_resize_internal (surface, TRUE, x, y, width, height);
}
void
gdk_win32_surface_move (GdkSurface *surface,
int x,
int y)
{
gdk_win32_surface_move_resize_internal (surface, TRUE, x, y, -1, -1);
}
static void gdk_win32_surface_set_shadow_width (GdkSurface *surface,
int left,
int right,
int top,
int bottom);
static void
gdk_win32_surface_layout_popup (GdkSurface *surface,
int width,
int height,
GdkPopupLayout *layout)
{
GdkMonitor *monitor;
GdkRectangle bounds;
GdkRectangle final_rect;
int x, y;
int shadow_left, shadow_right, shadow_top, shadow_bottom;
monitor = gdk_surface_get_layout_monitor (surface, layout,
gdk_win32_monitor_get_workarea);
if (!monitor)
{
GdkDisplay *display = gdk_surface_get_display (surface);
monitor = gdk_win32_display_get_primary_monitor (display);
}
gdk_win32_monitor_get_workarea (monitor, &bounds);
gdk_popup_layout_get_shadow_width (layout,
&shadow_left,
&shadow_right,
&shadow_top,
&shadow_bottom);
gdk_win32_surface_set_shadow_width (surface,
shadow_left,
shadow_right,
shadow_top,
shadow_bottom);
gdk_surface_layout_popup_helper (surface,
width,
height,
shadow_left,
shadow_right,
shadow_top,
shadow_bottom,
monitor,
&bounds,
layout,
&final_rect);
gdk_surface_get_origin (surface->parent, &x, &y);
x += final_rect.x;
y += final_rect.y;
if (final_rect.width != surface->width ||
final_rect.height != surface->height)
{
gdk_win32_surface_move_resize (surface,
x,
y,
final_rect.width,
final_rect.height);
}
else
gdk_win32_surface_move (surface, x, y);
}
static void
maybe_notify_mapped (GdkSurface *surface)
{
if (surface->destroyed)
return;
if (!GDK_SURFACE_IS_MAPPED (surface))
{
gdk_surface_set_is_mapped (surface, TRUE);
gdk_surface_invalidate_rect (surface, NULL);
}
}
static void
show_popup (GdkSurface *surface)
{
gdk_win32_surface_raise (surface);
maybe_notify_mapped (surface);
show_surface_internal (surface, FALSE, FALSE);
gdk_surface_invalidate_rect (surface, NULL);
}
static void
show_grabbing_popup (GdkSeat *seat,
GdkSurface *surface,
gpointer user_data)
{
show_popup (surface);
}
static gboolean
gdk_win32_surface_present_popup (GdkSurface *surface,
int width,
int height,
GdkPopupLayout *layout)
{
gdk_win32_surface_layout_popup (surface, width, height, layout);
if (GDK_SURFACE_IS_MAPPED (surface))
return TRUE;
if (surface->autohide)
{
gdk_seat_grab (gdk_display_get_default_seat (surface->display),
surface,
GDK_SEAT_CAPABILITY_ALL,
TRUE,
NULL, NULL,
show_grabbing_popup, NULL);
}
else
{
show_popup (surface);
}
return GDK_SURFACE_IS_MAPPED (surface);
}
void
gdk_win32_surface_raise (GdkSurface *surface)
{
if (!GDK_SURFACE_DESTROYED (surface))
{
GDK_NOTE (MISC, g_print ("gdk_win32_surface_raise: %p\n",
GDK_SURFACE_HWND (surface)));
if (GDK_IS_DRAG_SURFACE (surface))
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface), HWND_TOPMOST,
0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOOWNERZORDER));
else if (GDK_IS_POPUP (surface))
ShowWindow (GDK_SURFACE_HWND (surface), SW_SHOWNOACTIVATE);
else
/* Do not wrap this in an API_CALL macro as SetForegroundWindow might
* fail when for example dragging a surface belonging to a different
* application at the time of a gtk_window_present() call due to focus
* stealing prevention. */
SetForegroundWindow (GDK_SURFACE_HWND (surface));
}
}
/**
* gdk_win32_surface_set_urgency_hint:
* @surface: (type GdkWin32Surface): a native `GdkSurface`.
* @urgent: if %TRUE, flashes both the window and the taskbar button
* continuously.
*
* Flashes the specified @surface.
*/
void
gdk_win32_surface_set_urgency_hint (GdkSurface *surface,
gboolean urgent)
{
FLASHWINFO flashwinfo;
g_return_if_fail (GDK_IS_WIN32_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
flashwinfo.cbSize = sizeof (flashwinfo);
flashwinfo.hwnd = GDK_SURFACE_HWND (surface);
if (urgent)
flashwinfo.dwFlags = FLASHW_ALL | FLASHW_TIMER;
else
flashwinfo.dwFlags = FLASHW_STOP;
flashwinfo.uCount = 0;
flashwinfo.dwTimeout = 0;
FlashWindowEx (&flashwinfo);
}
static gboolean
get_effective_surface_decorations (GdkSurface *surface,
GdkWMDecoration *decoration)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
*decoration = 0;
if (!GDK_IS_TOPLEVEL (surface))
return FALSE;
/* we want to apply the "no decorations", if decorations are disabled */
if (!GDK_WIN32_SURFACE (surface)->decorate_all)
return TRUE;
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;
*decoration |= GDK_DECOR_MINIMIZE;
return TRUE;
}
else
{
*decoration = GDK_DECOR_ALL;
return TRUE;
}
return FALSE;
}
static void
gdk_win32_surface_set_geometry_hints (GdkSurface *surface,
const GdkGeometry *geometry,
GdkSurfaceHints geom_mask)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
FullscreenInfo *fi;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
GDK_NOTE (MISC, g_print ("gdk_surface_set_geometry_hints: %p\n",
GDK_SURFACE_HWND (surface)));
fi = g_object_get_data (G_OBJECT (surface), "fullscreen-info");
if (fi)
fi->hint_flags = geom_mask;
else
impl->hint_flags = geom_mask;
impl->hints = *geometry;
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));
}
_gdk_win32_surface_update_style_bits (surface);
}
static void
gdk_win32_surface_set_title (GdkSurface *surface,
const char *title)
{
wchar_t *wtitle;
g_return_if_fail (GDK_IS_SURFACE (surface));
g_return_if_fail (title != NULL);
if (GDK_SURFACE_DESTROYED (surface))
return;
/* Empty window titles not allowed, so set it to just a period. */
if (!title[0])
title = ".";
GDK_NOTE (MISC, g_print ("gdk_surface_set_title: %p: %s\n",
GDK_SURFACE_HWND (surface), title));
GDK_NOTE (MISC_OR_EVENTS, title = g_strdup_printf ("%p %s", GDK_SURFACE_HWND (surface), title));
wtitle = g_utf8_to_utf16 (title, -1, NULL, NULL, NULL);
API_CALL (SetWindowTextW, (GDK_SURFACE_HWND (surface), wtitle));
g_free (wtitle);
GDK_NOTE (MISC_OR_EVENTS, g_free ((char *) title));
}
static void
gdk_win32_surface_set_transient_for (GdkSurface *surface,
GdkSurface *parent)
{
HWND window_id, parent_id;
LONG_PTR old_ptr;
DWORD w32_error;
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
GdkWin32Surface *parent_impl = NULL;
GSList *item;
g_return_if_fail (GDK_IS_SURFACE (surface));
window_id = GDK_SURFACE_HWND (surface);
parent_id = parent != NULL ? GDK_SURFACE_HWND (parent) : NULL;
GDK_NOTE (MISC, g_print ("gdk_surface_set_transient_for: %p: %p\n", window_id, parent_id));
if (GDK_SURFACE_DESTROYED (surface) || (parent && GDK_SURFACE_DESTROYED (parent)))
{
if (GDK_SURFACE_DESTROYED (surface))
GDK_NOTE (MISC, g_print ("... destroyed!\n"));
else
GDK_NOTE (MISC, g_print ("... owner destroyed!\n"));
return;
}
if (impl->transient_owner == parent)
return;
if (GDK_IS_SURFACE (impl->transient_owner))
{
GdkWin32Surface *trans_impl = GDK_WIN32_SURFACE (impl->transient_owner);
item = g_slist_find (trans_impl->transient_children, surface);
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 (impl->transient_owner));
g_object_unref (G_OBJECT (surface));
impl->transient_owner = NULL;
}
if (parent)
{
parent_impl = GDK_WIN32_SURFACE (parent);
parent_impl->transient_children = g_slist_append (parent_impl->transient_children, surface);
g_object_ref (G_OBJECT (surface));
parent_impl->num_transients++;
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 surface, 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");
}
#define MODAL_SURFACE_STACK(s) GDK_WIN32_DISPLAY (gdk_surface_get_display (s))->display_surface_record->modal_surface_stack
static void
gdk_win32_push_modal_surface (GdkSurface *surface)
{
MODAL_SURFACE_STACK (surface) = g_slist_prepend (MODAL_SURFACE_STACK (surface), surface);
}
static void
gdk_win32_remove_modal_surface (GdkSurface *surface)
{
GSList *tmp;
g_return_if_fail (surface != NULL);
/* It's possible to be NULL here if someone sets the modal hint of the surface
* to FALSE before a modal surface stack has ever been created. */
if (MODAL_SURFACE_STACK (surface) == NULL)
return;
/* Find the requested surface 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_SURFACE_STACK (surface), surface);
if (tmp != NULL)
{
MODAL_SURFACE_STACK (surface) = g_slist_delete_link (MODAL_SURFACE_STACK (surface), tmp);
}
}
gboolean
_gdk_modal_blocked (GdkSurface *surface)
{
GSList *l;
gboolean found_any = FALSE;
for (l = MODAL_SURFACE_STACK (surface); l != NULL; l = l->next)
{
GdkSurface *modal = l->data;
if (modal == surface)
return FALSE;
if (GDK_SURFACE_IS_MAPPED (modal))
found_any = TRUE;
}
return found_any;
}
GdkSurface *
_gdk_modal_current (void)
{
GSList *l;
GdkDisplay *display = gdk_display_get_default ();
for (l = GDK_WIN32_DISPLAY (display)->display_surface_record->modal_surface_stack;
l != NULL;
l = l->next)
{
GdkSurface *modal = l->data;
if (GDK_SURFACE_IS_MAPPED (modal))
return modal;
}
return NULL;
}
static void
gdk_win32_surface_get_geometry (GdkSurface *surface,
int *x,
int *y,
int *width,
int *height)
{
if (!GDK_SURFACE_DESTROYED (surface))
{
RECT rect;
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
if (GDK_IS_TOPLEVEL (surface) && impl->drag_move_resize_context.native_move_resize_pending)
rect = impl->next_layout.configured_rect;
else
{
POINT pt;
GdkSurface *parent;
if (GDK_IS_TOPLEVEL (surface))
parent = NULL;
else if (GDK_IS_POPUP (surface))
parent = gdk_popup_get_parent (GDK_POPUP (surface));
else
parent = NULL;
API_CALL (GetClientRect, (GDK_SURFACE_HWND (surface), &rect));
pt.x = rect.left;
pt.y = rect.top;
ClientToScreen (GDK_SURFACE_HWND (surface), &pt);
if (parent)
ScreenToClient (GDK_SURFACE_HWND (parent), &pt);
rect.left = pt.x;
rect.top = pt.y;
pt.x = rect.right;
pt.y = rect.bottom;
ClientToScreen (GDK_SURFACE_HWND (surface), &pt);
if (parent)
ScreenToClient (GDK_SURFACE_HWND (parent), &pt);
rect.right = pt.x;
rect.bottom = pt.y;
}
if (x)
*x = rect.left / impl->surface_scale;
if (y)
*y = rect.top / impl->surface_scale;
if (width)
*width = (rect.right - rect.left) / impl->surface_scale;
if (height)
*height = (rect.bottom - rect.top) / impl->surface_scale;
GDK_NOTE (MISC, g_print ("gdk_win32_surface_get_geometry: %p: %ldx%ld@%+ld%+ld\n",
GDK_SURFACE_HWND (surface),
(rect.right - rect.left) / impl->surface_scale,
(rect.bottom - rect.top) / impl->surface_scale,
rect.left, rect.top));
}
}
static void
gdk_win32_surface_get_root_coords (GdkSurface *surface,
int x,
int y,
int *root_x,
int *root_y)
{
int tx;
int ty;
POINT pt;
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
pt.x = x * impl->surface_scale;
pt.y = y * impl->surface_scale;
ClientToScreen (GDK_SURFACE_HWND (surface), &pt);
tx = pt.x;
ty = pt.y;
if (root_x)
*root_x = tx / impl->surface_scale;
if (root_y)
*root_y = ty / impl->surface_scale;
GDK_NOTE (MISC, g_print ("gdk_win32_surface_get_root_coords: %p: %+d%+d %+d%+d\n",
GDK_SURFACE_HWND (surface),
x * impl->surface_scale,
y * impl->surface_scale,
tx / impl->surface_scale,
ty / impl->surface_scale));
}
static gboolean
gdk_surface_win32_get_device_state (GdkSurface *surface,
GdkDevice *device,
double *x,
double *y,
GdkModifierType *mask)
{
_gdk_device_win32_query_state (device, surface, NULL, x, y, mask);
return *x >= 0 && *y >= 0 && *x < surface->width && *y < surface->height;
}
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;
}
/*
* Returns TRUE if surface has no decorations.
* Usually it means CSD windows, because GTK
* calls gdk_surface_set_decorations (surface, 0);
*/
gboolean
_gdk_win32_surface_lacks_wm_decorations (GdkSurface *surface)
{
GdkWin32Surface *impl;
LONG style;
gboolean has_any_decorations;
if (GDK_SURFACE_DESTROYED (surface))
return FALSE;
impl = GDK_WIN32_SURFACE (surface);
/* This is because GTK calls gdk_surface_set_decorations (surface, 0),
* even though GdkWMDecoration docs indicate that 0 does NOT mean
* "no decorations".
*/
if (!impl->decorate_all)
return TRUE;
if (GDK_SURFACE_HWND (surface) == 0)
return FALSE;
style = GetWindowLong (GDK_SURFACE_HWND (surface), GWL_STYLE);
if (style == 0)
{
DWORD w32_error = GetLastError ();
GDK_NOTE (MISC, g_print ("Failed to get style of surface %p (handle %p): %lu\n",
surface, GDK_SURFACE_HWND (surface), w32_error));
return FALSE;
}
/* Keep this in sync with _gdk_win32_surface_update_style_bits() */
/* We don't check what get_effective_surface_decorations()
* has to say, because it gives suggestions based on
* various hints, while we want *actual* decorations,
* or their absence.
*/
has_any_decorations = FALSE;
if (style & (WS_BORDER | WS_THICKFRAME | WS_CAPTION |
WS_SYSMENU | WS_MAXIMIZEBOX))
has_any_decorations = TRUE;
else
GDK_NOTE (MISC, g_print ("Surface %p (handle %p): has no decorations (style %lx)\n",
surface, GDK_SURFACE_HWND (surface), style));
return !has_any_decorations;
}
void
_gdk_win32_surface_update_style_bits (GdkSurface *surface)
{
GdkWMDecoration decorations;
LONG old_style, new_style, old_exstyle, new_exstyle;
gboolean all;
RECT rect, before, after;
gboolean was_topmost;
gboolean will_be_topmost;
gboolean was_layered;
gboolean will_be_layered;
HWND insert_after;
UINT flags;
if (surface->state & GDK_TOPLEVEL_STATE_FULLSCREEN)
return;
old_style = GetWindowLong (GDK_SURFACE_HWND (surface), GWL_STYLE);
old_exstyle = GetWindowLong (GDK_SURFACE_HWND (surface), GWL_EXSTYLE);
GetClientRect (GDK_SURFACE_HWND (surface), &before);
after = before;
AdjustWindowRectEx (&before, old_style, FALSE, old_exstyle);
was_topmost = (old_exstyle & WS_EX_TOPMOST) ? TRUE : FALSE;
was_layered = (old_exstyle & WS_EX_LAYERED) ? TRUE : FALSE;
will_be_topmost = was_topmost;
will_be_layered = was_layered;
old_exstyle &= ~WS_EX_TOPMOST;
new_style = old_style;
new_exstyle = old_exstyle;
if (GDK_IS_DRAG_SURFACE (surface))
{
new_exstyle |= WS_EX_TOOLWINDOW;
/* WS_EX_LAYERED | WS_EX_TRANSPARENT makes the drag surface behave
* in pointer input passthrough mode, so it doesn't interfere with
* the drag and drop operation.
*/
new_exstyle |= WS_EX_LAYERED | WS_EX_TRANSPARENT;
will_be_topmost = TRUE;
will_be_layered = TRUE;
}
else
{
new_exstyle &= ~WS_EX_TOOLWINDOW;
}
if (get_effective_surface_decorations (surface, &decorations))
{
all = (decorations & GDK_DECOR_ALL);
/* Keep this in sync with the test in _gdk_win32_surface_lacks_wm_decorations() */
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_MAXIMIZE, WS_MAXIMIZEBOX);
}
if (old_style == new_style && old_exstyle == new_exstyle )
{
GDK_NOTE (MISC, g_print ("_gdk_win32_surface_update_style_bits: %p: no change\n",
GDK_SURFACE_HWND (surface)));
return;
}
if (old_style != new_style)
{
GDK_NOTE (MISC, g_print ("_gdk_win32_surface_update_style_bits: %p: STYLE: %s => %s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_style_to_string (old_style),
_gdk_win32_surface_style_to_string (new_style)));
SetWindowLong (GDK_SURFACE_HWND (surface), GWL_STYLE, new_style);
}
if (old_exstyle != new_exstyle)
{
GDK_NOTE (MISC, g_print ("_gdk_win32_surface_update_style_bits: %p: EXSTYLE: %s => %s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_exstyle_to_string (old_exstyle),
_gdk_win32_surface_exstyle_to_string (new_exstyle)));
SetWindowLong (GDK_SURFACE_HWND (surface), GWL_EXSTYLE, new_exstyle);
if (!was_layered && will_be_layered)
{
/* We have to call SetLayeredWindowAttributes when setting the
* WS_EX_LAYERED style anew, otherwise the surface won't show up
*/
API_CALL (SetLayeredWindowAttributes, (GDK_SURFACE_HWND (surface), 0, 255, LWA_ALPHA));
}
}
AdjustWindowRectEx (&after, new_style, FALSE, new_exstyle);
GetWindowRect (GDK_SURFACE_HWND (surface), &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_SURFACE_HWND (surface), insert_after,
rect.left, rect.top,
rect.right - rect.left, rect.bottom - rect.top,
flags);
}
/* Registers a dumb window class. This window
* has DefWindowProc() for a window procedure and
* does not do anything that GdkSurface-bound HWNDs do.
*/
static ATOM
RegisterGdkDumbClass ()
{
static ATOM klassDUMB = 0;
static WNDCLASSEXW wcl;
ATOM klass = 0;
wcl.cbSize = sizeof (WNDCLASSEX);
wcl.style = 0; /* DON'T set CS_REDRAW. It causes total redraw
* on WM_SIZE and WM_MOVE. Flicker, Performance!
*/
wcl.lpfnWndProc = DefWindowProcW;
wcl.cbClsExtra = 0;
wcl.cbWndExtra = 0;
wcl.hInstance = this_module ();
wcl.hIcon = 0;
wcl.hIconSm = 0;
wcl.lpszMenuName = NULL;
wcl.hbrBackground = NULL;
wcl.hCursor = LoadCursor (NULL, IDC_ARROW);
wcl.style |= CS_OWNDC;
wcl.lpszClassName = L"gdkSurfaceDumb";
if (klassDUMB == 0)
klassDUMB = RegisterClassExW (&wcl);
klass = klassDUMB;
if (klass == 0)
{
WIN32_API_FAILED ("RegisterClassExW");
g_error ("That is a fatal error");
}
return klass;
}
static const char *
get_cursor_name_from_op (GdkW32WindowDragOp op,
GdkSurfaceEdge edge)
{
switch (op)
{
case GDK_WIN32_DRAGOP_MOVE:
return "move";
case GDK_WIN32_DRAGOP_RESIZE:
switch (edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
return "nw-resize";
case GDK_SURFACE_EDGE_NORTH:
return "n-resize";
case GDK_SURFACE_EDGE_NORTH_EAST:
return "ne-resize";
case GDK_SURFACE_EDGE_WEST:
return "w-resize";
case GDK_SURFACE_EDGE_EAST:
return "e-resize";
case GDK_SURFACE_EDGE_SOUTH_WEST:
return "sw-resize";
case GDK_SURFACE_EDGE_SOUTH:
return "s-resize";
case GDK_SURFACE_EDGE_SOUTH_EAST:
return "se-resize";
}
/* default: warn about unhandled enum values,
* fallthrough to GDK_WIN32_DRAGOP_NONE case
*/
case GDK_WIN32_DRAGOP_COUNT:
g_assert_not_reached ();
case GDK_WIN32_DRAGOP_NONE:
return "default";
/* default: warn about unhandled enum values */
}
g_assert_not_reached ();
return NULL;
}
static void
setup_drag_move_resize_context (GdkSurface *surface,
GdkW32DragMoveResizeContext *context,
GdkW32WindowDragOp op,
GdkSurfaceEdge edge,
GdkDevice *device,
int button,
double x,
double y,
guint32 timestamp)
{
RECT rect;
const char *cursor_name;
GdkSurface *pointer_surface;
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
gboolean maximized = gdk_toplevel_get_state (GDK_TOPLEVEL (surface)) & GDK_TOPLEVEL_STATE_MAXIMIZED;
int root_x, root_y;
gboolean restore_configure = FALSE;
gdk_win32_surface_get_root_coords (surface, x, y, &root_x, &root_y);
/* Before we drag, we need to undo any maximization */
if (maximized)
{
GdkMonitor *monitor;
int wx, wy, wwidth, wheight;
int swx, swy, swwidth, swheight;
gboolean pointer_outside_of_surface;
int offsetx, offsety;
gboolean left_half;
GdkDisplay *display;
restore_configure = TRUE;
display = gdk_surface_get_display (surface);
monitor = gdk_display_get_monitor_at_surface (display, surface);
gdk_surface_get_geometry (surface, &wx, &wy, &wwidth, &wheight);
swx = wx;
swy = wy;
swwidth = wwidth;
swheight = wheight;
/* Subtract surface shadow. We don't want pointer to go outside of
* the visible surface during drag-move. For drag-resize it's OK.
* Don't take shadow into account if the surface is maximized -
* maximized surfaces don't have shadows.
*/
if (op == GDK_WIN32_DRAGOP_MOVE && !maximized)
{
swx += impl->shadow.left / impl->surface_scale;
swy += impl->shadow.top / impl->surface_scale;
swwidth -= impl->shadow_x;
swheight -= impl->shadow_y;
}
pointer_outside_of_surface = root_x < swx || root_x > swx + swwidth ||
root_y < swy || root_y > swy + swheight;
/* Calculate the offset of the pointer relative to the surface */
offsetx = root_x - swx;
offsety = root_y - swy;
/* Figure out in which half of the surface the pointer is.
* The code currently only concerns itself with horizontal
* dimension (left/right halves).
* There's no upper/lower half, because usually surface
* is dragged by its upper half anyway. If that changes, adjust
* accordingly.
*/
left_half = (offsetx < swwidth / 2);
/* Inverse the offset for it to be from the right edge */
if (!left_half)
offsetx = swwidth - offsetx;
GDK_NOTE (MISC, g_print ("Pointer at %d : %d, this is %d : %d relative to the surface's %s\n",
root_x, root_y, offsetx, offsety,
left_half ? "left half" : "right half"));
/* Move surface in such a way that on unmaximization the pointer
* is still pointing at the appropriate half of the surface,
* with the same offset from the left or right edge. If the new
* surface size is too small, and adding that offset puts the pointer
* into the other half or even beyond, move the pointer to the middle.
*/
if (!pointer_outside_of_surface && maximized)
{
WINDOWPLACEMENT placement;
int unmax_width, unmax_height;
int shadow_unmax_width, shadow_unmax_height;
placement.length = sizeof (placement);
API_CALL (GetWindowPlacement, (GDK_SURFACE_HWND (surface), &placement));
GDK_NOTE (MISC, g_print ("W32 WM unmaximized surface placement is %ld x %ld @ %ld : %ld\n",
placement.rcNormalPosition.right - placement.rcNormalPosition.left,
placement.rcNormalPosition.bottom - placement.rcNormalPosition.top,
placement.rcNormalPosition.left,
placement.rcNormalPosition.top));
unmax_width = placement.rcNormalPosition.right - placement.rcNormalPosition.left;
unmax_height = placement.rcNormalPosition.bottom - placement.rcNormalPosition.top;
shadow_unmax_width = unmax_width - impl->shadow_x * impl->surface_scale;
shadow_unmax_height = unmax_height - impl->shadow_y * impl->surface_scale;
if (offsetx * impl->surface_scale < (shadow_unmax_width / 2) &&
offsety * impl->surface_scale < (shadow_unmax_height / 2))
{
placement.rcNormalPosition.top = (root_y - offsety + impl->shadow.top) * impl->surface_scale;
placement.rcNormalPosition.bottom = placement.rcNormalPosition.top + unmax_height;
if (left_half)
{
placement.rcNormalPosition.left = (root_x - offsetx + impl->shadow.left) * impl->surface_scale;
placement.rcNormalPosition.right = placement.rcNormalPosition.left + unmax_width;
}
else
{
placement.rcNormalPosition.right = (root_x + offsetx + impl->shadow.right) * impl->surface_scale;
placement.rcNormalPosition.left = placement.rcNormalPosition.right - unmax_width;
}
}
else
{
placement.rcNormalPosition.left = root_x * impl->surface_scale - unmax_width / 2;
if (offsety * impl->surface_scale < shadow_unmax_height / 2)
placement.rcNormalPosition.top = (root_y - offsety + impl->shadow.top) * impl->surface_scale;
else
placement.rcNormalPosition.top = root_y * impl->surface_scale - unmax_height / 2;
placement.rcNormalPosition.right = placement.rcNormalPosition.left + unmax_width;
placement.rcNormalPosition.bottom = placement.rcNormalPosition.top + unmax_height;
}
GDK_NOTE (MISC, g_print ("Unmaximized HWND will be at %ld : %ld\n",
placement.rcNormalPosition.left,
placement.rcNormalPosition.top));
API_CALL (SetWindowPlacement, (GDK_SURFACE_HWND (surface), &placement));
}
if (maximized)
gdk_win32_surface_unmaximize (surface);
if (pointer_outside_of_surface)
{
/* Pointer outside of the surface, move pointer into surface */
GDK_NOTE (MISC, g_print ("Pointer at %d : %d is outside of %d x %d @ %d : %d, move it to %d : %d\n",
root_x, root_y, wwidth, wheight, wx, wy, wx + wwidth / 2, wy + wheight / 2));
root_x = wx + wwidth / 2;
/* This is Gnome behaviour. Windows WM would put the pointer
* in the middle of the titlebar, but GDK doesn't know where
* the titlebar is, if any.
*/
root_y = wy + wheight / 2;
SetCursorPos (root_x, root_y);
}
}
if (restore_configure)
impl->inhibit_configure = FALSE;
gdk_win32_get_surface_hwnd_rect (surface, &rect);
cursor_name = get_cursor_name_from_op (op, edge);
context->cursor = gdk_cursor_new_from_name (cursor_name, NULL);
pointer_surface = surface;
/* Note: This triggers a WM_CAPTURECHANGED, which will trigger
* gdk_win32_surface_end_move_resize_drag(), which will end
* our op before it even begins, but only if context->op is not NONE.
* This is why we first do the grab, *then* set the op.
*/
gdk_device_grab (device, pointer_surface,
FALSE,
GDK_ALL_EVENTS_MASK,
context->cursor,
timestamp);
context->surface = g_object_ref (surface);
context->op = op;
context->edge = edge;
context->device = device;
context->button = button;
context->start_root_x = root_x;
context->start_root_y = root_y;
context->current_root_x = root_x;
context->current_root_y = root_y;
context->timestamp = timestamp;
context->start_rect = rect;
GDK_NOTE (EVENTS,
g_print ("begin drag moveresize: surface %p, toplevel %p, "
"op %u, edge %d, device %p, "
"button %d, coord %d:%d, time %u\n",
pointer_surface, surface,
context->op, context->edge, context->device,
context->button, context->start_root_x,
context->start_root_y, context->timestamp));
}
void
gdk_win32_surface_end_move_resize_drag (GdkSurface *surface)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
GdkW32DragMoveResizeContext *context = &impl->drag_move_resize_context;
if (context->op == GDK_WIN32_DRAGOP_RESIZE)
_gdk_win32_surface_invalidate_egl_framebuffer (surface);
context->op = GDK_WIN32_DRAGOP_NONE;
gdk_device_ungrab (context->device, GDK_CURRENT_TIME);
g_clear_object (&context->cursor);
context->revealed = FALSE;
if (context->timer)
{
g_source_remove (context->timer);
context->timer = 0;
}
g_clear_object (&context->surface);
GDK_NOTE (EVENTS,
g_print ("end drag moveresize: surface %p, toplevel %p,"
"op %u, edge %d, device %p, "
"button %d, coord %d:%d, time %u\n",
surface, surface,
context->op, context->edge, context->device,
context->button, context->start_root_x,
context->start_root_y, context->timestamp));
}
static void
gdk_win32_get_window_size_and_position_from_client_rect (GdkSurface *surface,
RECT *hwnd_rect,
SIZE *hwnd_size,
POINT *hwnd_position)
{
/* Turn client area into HWND area */
_gdk_win32_adjust_client_rect (surface, hwnd_rect);
hwnd_position->x = hwnd_rect->left;
hwnd_position->y = hwnd_rect->top;
hwnd_size->cx = hwnd_rect->right - hwnd_rect->left;
hwnd_size->cy = hwnd_rect->bottom - hwnd_rect->top;
}
void
gdk_win32_surface_do_move_resize_drag (GdkSurface *surface,
int x,
int y)
{
RECT rect;
RECT new_rect;
int diffy, diffx;
MINMAXINFO mmi;
GdkWin32Surface *impl;
GdkW32DragMoveResizeContext *context;
int width;
int height;
impl = GDK_WIN32_SURFACE (surface);
context = &impl->drag_move_resize_context;
if (!gdk_win32_get_surface_hwnd_rect (surface, &rect))
return;
x /= impl->surface_scale;
y /= impl->surface_scale;
if (context->current_root_x == x &&
context->current_root_y == y)
return;
context->current_root_x = x;
context->current_root_y = y;
new_rect = context->start_rect;
diffx = (x - context->start_root_x) * impl->surface_scale;
diffy = (y - context->start_root_y) * impl->surface_scale;
switch (context->op)
{
case GDK_WIN32_DRAGOP_RESIZE:
switch (context->edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
new_rect.left += diffx;
new_rect.top += diffy;
break;
case GDK_SURFACE_EDGE_NORTH:
new_rect.top += diffy;
break;
case GDK_SURFACE_EDGE_NORTH_EAST:
new_rect.right += diffx;
new_rect.top += diffy;
break;
case GDK_SURFACE_EDGE_WEST:
new_rect.left += diffx;
break;
case GDK_SURFACE_EDGE_EAST:
new_rect.right += diffx;
break;
case GDK_SURFACE_EDGE_SOUTH_WEST:
new_rect.left += diffx;
new_rect.bottom += diffy;
break;
case GDK_SURFACE_EDGE_SOUTH:
new_rect.bottom += diffy;
break;
case GDK_SURFACE_EDGE_SOUTH_EAST:
default:
new_rect.right += diffx;
new_rect.bottom += diffy;
break;
}
/* When handling WM_GETMINMAXINFO, mmi is already populated
* by W32 WM and we apply our stuff on top of that.
* Here it isn't, so we should at least clear it.
*/
memset (&mmi, 0, sizeof (mmi));
if (!_gdk_win32_surface_fill_min_max_info (surface, &mmi))
break;
width = new_rect.right - new_rect.left;
height = new_rect.bottom - new_rect.top;
if (width > mmi.ptMaxTrackSize.x)
{
switch (context->edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
case GDK_SURFACE_EDGE_WEST:
case GDK_SURFACE_EDGE_SOUTH_WEST:
new_rect.left = new_rect.right - mmi.ptMaxTrackSize.x;
break;
case GDK_SURFACE_EDGE_NORTH_EAST:
case GDK_SURFACE_EDGE_EAST:
case GDK_SURFACE_EDGE_SOUTH_EAST:
default:
new_rect.right = new_rect.left + mmi.ptMaxTrackSize.x;
break;
}
}
else if (width < mmi.ptMinTrackSize.x)
{
switch (context->edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
case GDK_SURFACE_EDGE_WEST:
case GDK_SURFACE_EDGE_SOUTH_WEST:
new_rect.left = new_rect.right - mmi.ptMinTrackSize.x;
break;
case GDK_SURFACE_EDGE_NORTH_EAST:
case GDK_SURFACE_EDGE_EAST:
case GDK_SURFACE_EDGE_SOUTH_EAST:
default:
new_rect.right = new_rect.left + mmi.ptMinTrackSize.x;
break;
}
}
if (height > mmi.ptMaxTrackSize.y)
{
switch (context->edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
case GDK_SURFACE_EDGE_NORTH:
case GDK_SURFACE_EDGE_NORTH_EAST:
new_rect.top = new_rect.bottom - mmi.ptMaxTrackSize.y;
case GDK_SURFACE_EDGE_SOUTH_WEST:
case GDK_SURFACE_EDGE_SOUTH:
case GDK_SURFACE_EDGE_SOUTH_EAST:
default:
new_rect.bottom = new_rect.top + mmi.ptMaxTrackSize.y;
break;
}
}
else if (height < mmi.ptMinTrackSize.y)
{
switch (context->edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
case GDK_SURFACE_EDGE_NORTH:
case GDK_SURFACE_EDGE_NORTH_EAST:
new_rect.top = new_rect.bottom - mmi.ptMinTrackSize.y;
case GDK_SURFACE_EDGE_SOUTH_WEST:
case GDK_SURFACE_EDGE_SOUTH:
case GDK_SURFACE_EDGE_SOUTH_EAST:
default:
new_rect.bottom = new_rect.top + mmi.ptMinTrackSize.y;
break;
}
}
break;
case GDK_WIN32_DRAGOP_MOVE:
new_rect.left += diffx;
new_rect.top += diffy;
new_rect.right += diffx;
new_rect.bottom += diffy;
break;
default:
break;
}
if (context->op == GDK_WIN32_DRAGOP_RESIZE &&
(rect.left != new_rect.left ||
rect.right != new_rect.right ||
rect.top != new_rect.top ||
rect.bottom != new_rect.bottom))
{
if (GDK_IS_TOPLEVEL (surface))
{
int scale = impl->surface_scale;
impl->next_layout.configured_rect = new_rect;
impl->next_layout.configured_width = (new_rect.right - new_rect.left + scale - 1) / scale;
impl->next_layout.configured_height = (new_rect.bottom - new_rect.top + scale - 1) / scale;
}
context->native_move_resize_pending = TRUE;
}
else if (context->op == GDK_WIN32_DRAGOP_MOVE &&
(rect.left != new_rect.left ||
rect.top != new_rect.top))
{
SIZE hwnd_size;
POINT hwnd_position;
context->native_move_resize_pending = FALSE;
gdk_surface_request_layout (surface);
gdk_win32_get_window_size_and_position_from_client_rect (surface,
&new_rect,
&hwnd_size,
&hwnd_position);
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
SWP_NOZORDER_SPECIFIED,
hwnd_position.x, hwnd_position.y,
0, 0,
SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOSIZE));
}
gdk_surface_request_layout (surface);
}
static void
gdk_win32_toplevel_begin_resize (GdkToplevel *toplevel,
GdkSurfaceEdge edge,
GdkDevice *device,
int button,
double x,
double y,
guint32 timestamp)
{
GdkSurface *surface = GDK_SURFACE (toplevel);
GdkWin32Surface *impl;
if (GDK_SURFACE_DESTROYED (surface) ||
IsIconic (GDK_SURFACE_HWND (surface)))
return;
/* Tell Windows to start interactively resizing the surface 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 surface
* dragging using the left mouse button.
*/
if (button != 1)
return;
impl = GDK_WIN32_SURFACE (surface);
if (impl->drag_move_resize_context.op != GDK_WIN32_DRAGOP_NONE)
gdk_win32_surface_end_move_resize_drag (surface);
setup_drag_move_resize_context (surface, &impl->drag_move_resize_context,
GDK_WIN32_DRAGOP_RESIZE, edge, device,
button, x, y, timestamp);
}
static void
gdk_win32_toplevel_begin_move (GdkToplevel *toplevel,
GdkDevice *device,
int button,
double x,
double y,
guint32 timestamp)
{
GdkSurface *surface = GDK_SURFACE (toplevel);
GdkWin32Surface *impl;
if (GDK_SURFACE_DESTROYED (surface) ||
IsIconic (GDK_SURFACE_HWND (surface)))
return;
/* Tell Windows to start interactively moving the surface 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 surface dragging using the
* left mouse button.
*/
if (button != 1)
return;
impl = GDK_WIN32_SURFACE (surface);
if (impl->drag_move_resize_context.op != GDK_WIN32_DRAGOP_NONE)
gdk_win32_surface_end_move_resize_drag (surface);
setup_drag_move_resize_context (surface, &impl->drag_move_resize_context,
GDK_WIN32_DRAGOP_MOVE, GDK_SURFACE_EDGE_NORTH_WEST,
device, button, x, y, timestamp);
}
/*
* Setting surface states
*/
static void
gdk_win32_surface_minimize (GdkSurface *surface)
{
HWND old_active_hwnd;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
GDK_NOTE (MISC, g_print ("gdk_surface_minimize: %p: %s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_state_to_string (surface->state)));
if (GDK_SURFACE_IS_MAPPED (surface))
{
old_active_hwnd = GetActiveWindow ();
GtkShowSurfaceHWND (surface, SW_MINIMIZE);
if (old_active_hwnd != GDK_SURFACE_HWND (surface))
SetActiveWindow (old_active_hwnd);
}
else
{
gdk_synthesize_surface_state (surface,
0,
GDK_TOPLEVEL_STATE_MINIMIZED);
}
}
static void
gdk_win32_surface_maximize (GdkSurface *surface)
{
GdkWin32Surface *impl;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
GDK_NOTE (MISC, g_print ("gdk_surface_maximize: %p: %s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_state_to_string (surface->state)));
impl = GDK_WIN32_SURFACE (surface);
impl->inhibit_configure = TRUE;
impl->force_recompute_size = FALSE;
if (GDK_SURFACE_IS_MAPPED (surface))
GtkShowSurfaceHWND (surface, SW_MAXIMIZE);
else
gdk_synthesize_surface_state (surface,
0,
GDK_TOPLEVEL_STATE_MAXIMIZED);
}
static void
gdk_win32_surface_unmaximize (GdkSurface *surface)
{
GdkWin32Surface *impl;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
GDK_NOTE (MISC, g_print ("gdk_surface_unmaximize: %p: %s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_state_to_string (surface->state)));
_gdk_win32_surface_invalidate_egl_framebuffer (surface);
if (GDK_SURFACE_IS_MAPPED (surface))
GtkShowSurfaceHWND (surface, SW_RESTORE);
else
gdk_synthesize_surface_state (surface,
GDK_TOPLEVEL_STATE_MAXIMIZED,
0);
impl = GDK_WIN32_SURFACE (surface);
if (impl->inhibit_configure)
{
impl->inhibit_configure = FALSE;
impl->force_recompute_size = TRUE;
}
}
static void
gdk_win32_surface_fullscreen (GdkSurface *surface,
GdkMonitor *monitor)
{
int x, y, width, height;
FullscreenInfo *fi;
HMONITOR hmonitor = NULL;
MONITORINFO mi;
HWND surface_hwnd;
g_return_if_fail (GDK_IS_SURFACE (surface));
surface_hwnd = GDK_SURFACE_HWND (surface);
fi = g_new (FullscreenInfo, 1);
if (!GetWindowRect (surface_hwnd, &(fi->r)))
g_free (fi);
else
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
if (monitor && GDK_IS_WIN32_MONITOR (monitor))
hmonitor = GDK_WIN32_MONITOR (monitor)->hmonitor;
if (!hmonitor)
hmonitor = MonitorFromWindow (surface_hwnd, MONITOR_DEFAULTTONEAREST);
mi.cbSize = sizeof (mi);
if (hmonitor && GetMonitorInfo (hmonitor, &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 (surface), "fullscreen-info", fi);
fi->style = GetWindowLong (surface_hwnd, GWL_STYLE);
impl->inhibit_configure = TRUE;
impl->force_recompute_size = FALSE;
/* Send state change before configure event */
gdk_synthesize_surface_state (surface, 0, GDK_TOPLEVEL_STATE_FULLSCREEN);
SetWindowLong (surface_hwnd, GWL_STYLE,
(fi->style & ~WS_OVERLAPPEDWINDOW) | WS_POPUP);
API_CALL (SetWindowPos, (surface_hwnd, HWND_TOP,
x, y, width, height,
SWP_NOCOPYBITS | SWP_SHOWWINDOW | SWP_FRAMECHANGED));
}
}
static void
gdk_win32_surface_unfullscreen (GdkSurface *surface)
{
FullscreenInfo *fi;
g_return_if_fail (GDK_IS_SURFACE (surface));
fi = g_object_get_data (G_OBJECT (surface), "fullscreen-info");
if (fi)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
gdk_synthesize_surface_state (surface, GDK_TOPLEVEL_STATE_FULLSCREEN, 0);
impl->hint_flags = fi->hint_flags;
SetWindowLong (GDK_SURFACE_HWND (surface), GWL_STYLE, fi->style);
_gdk_win32_surface_invalidate_egl_framebuffer (surface);
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface), HWND_NOTOPMOST,
fi->r.left, fi->r.top,
fi->r.right - fi->r.left, fi->r.bottom - fi->r.top,
SWP_NOCOPYBITS | SWP_SHOWWINDOW | SWP_FRAMECHANGED));
g_object_set_data (G_OBJECT (surface), "fullscreen-info", NULL);
g_free (fi);
_gdk_win32_surface_update_style_bits (surface);
if (impl->inhibit_configure)
{
impl->inhibit_configure = FALSE;
impl->force_recompute_size = TRUE;
}
}
}
static void
gdk_win32_surface_focus (GdkSurface *surface,
guint32 timestamp)
{
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface))
return;
GDK_NOTE (MISC, g_print ("gdk_surface_focus: %p: %s\n",
GDK_SURFACE_HWND (surface),
_gdk_win32_surface_state_to_string (surface->state)));
if (surface->state & GDK_TOPLEVEL_STATE_MAXIMIZED)
GtkShowSurfaceHWND (surface, SW_SHOWMAXIMIZED);
else if (surface->state & GDK_TOPLEVEL_STATE_MINIMIZED)
GtkShowSurfaceHWND (surface, SW_RESTORE);
else if (!IsWindowVisible (GDK_SURFACE_HWND (surface)))
GtkShowSurfaceHWND (surface, SW_SHOWNORMAL);
else
GtkShowSurfaceHWND (surface, SW_SHOW);
SetFocus (GDK_SURFACE_HWND (surface));
}
/**
* gdk_win32_surface_lookup_for_display:
* @display: a %GdkDisplay
* @anid: a HWND window handle
*
* Returns: (nullable): the %GdkSurface associated with the given @anid, or %NULL.
*/
GdkSurface *
gdk_win32_surface_lookup_for_display (GdkDisplay *display,
HWND anid)
{
g_return_val_if_fail (display == gdk_display_get_default (), NULL);
return (GdkSurface*) gdk_win32_display_handle_table_lookup_ (display, anid);
}
/**
* gdk_win32_surface_is_win32:
* @surface: a `GdkSurface`
*
* Returns: %TRUE if the @surface is a win32 implemented surface.
*
* Deprecated: 4.8: Use `GDK_IS_WIN32_SURFACE` instead.
*/
gboolean
gdk_win32_surface_is_win32 (GdkSurface *surface)
{
return GDK_IS_WIN32_SURFACE (surface);
}
static gboolean
gdk_win32_surface_show_window_menu (GdkSurface *surface,
GdkEvent *event)
{
double event_x, event_y;
int x, y;
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
GdkEventType event_type = gdk_event_get_event_type (event);
switch ((int) event_type)
{
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
case GDK_TOUCH_BEGIN:
case GDK_TOUCH_END:
break;
default:
return FALSE;
}
gdk_event_get_position (event, &event_x, &event_y);
gdk_win32_surface_get_root_coords (surface, event_x, event_y, &x, &y);
SendMessage (GDK_SURFACE_HWND (surface),
WM_SYSMENU,
0,
MAKELPARAM (x * impl->surface_scale, y * impl->surface_scale));
return TRUE;
}
/**
* gdk_win32_surface_get_impl_hwnd:
* @surface: a `GdkSurface`
*
* Returns: the associated @surface HWND handle.
*
* Deprecated: 4.8: Use gdk_win32_surface_get_handle() instead.
*/
HWND
gdk_win32_surface_get_impl_hwnd (GdkSurface *surface)
{
if (GDK_IS_WIN32_SURFACE (surface))
return GDK_SURFACE_HWND (surface);
return NULL;
}
BOOL WINAPI
GtkShowSurfaceHWND (GdkSurface *surface,
int cmd_show)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
/* Ensure that maximized surface HWND size is corrected later on */
if (cmd_show == SW_MAXIMIZE)
impl->maximizing = TRUE;
return ShowWindow (GDK_SURFACE_HWND (surface), cmd_show);
}
static void
gdk_win32_surface_set_shadow_width (GdkSurface *surface,
int left,
int right,
int top,
int bottom)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
if (GDK_SURFACE_DESTROYED (surface))
return;
GDK_NOTE (MISC, g_print ("gdk_win32_surface_set_shadow_width: surface %p, "
"left %d, top %d, right %d, bottom %d\n",
surface, left, top, right, bottom));
impl->zero_shadow = left == 0 && right == 0 && top == 0 && bottom == 0;
if (impl->zero_shadow)
return;
impl->shadow.left = left * impl->surface_scale;;
impl->shadow.right = right * impl->surface_scale;
impl->shadow.top = top * impl->surface_scale;;
impl->shadow.bottom = bottom * impl->surface_scale;
impl->shadow_x = left + right;
impl->shadow_y = top + bottom;
}
static void
gdk_win32_surface_set_icon_list (GdkSurface *surface,
GList *textures)
{
GdkTexture *texture, *big_texture, *small_texture;
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;
GdkWin32Surface *impl;
if (GDK_SURFACE_DESTROYED (surface))
return;
impl = GDK_WIN32_SURFACE (surface);
/* 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_texture = NULL;
small_texture = NULL;
big_diff = 0;
small_diff = 0;
while (textures)
{
texture = (GdkTexture*) textures->data;
w = gdk_texture_get_width (texture);
h = gdk_texture_get_height (texture);
dw = ABS (w - big_w);
dh = ABS (h - big_h);
diff = dw*dw + dh*dh;
if (big_texture == NULL || diff < big_diff)
{
big_texture = texture;
big_diff = diff;
}
dw = ABS (w - small_w);
dh = ABS (h - small_h);
diff = dw*dw + dh*dh;
if (small_texture == NULL || diff < small_diff)
{
small_texture = texture;
small_diff = diff;
}
textures = textures->next;
}
if (big_texture == NULL || small_texture == NULL)
return;
/* Create the icons */
big_hicon = big_texture ? _gdk_win32_create_hicon_for_texture (big_texture, TRUE, 0, 0) : NULL;
small_hicon = small_texture ? _gdk_win32_create_hicon_for_texture (small_texture, TRUE, 0, 0) : NULL;
/* Set the icons */
SendMessage (GDK_SURFACE_HWND (surface), WM_SETICON, ICON_BIG,
(LPARAM)big_hicon);
SendMessage (GDK_SURFACE_HWND (surface), 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;
}
double
_gdk_win32_surface_get_scale (GdkSurface *surface)
{
GdkDisplay *display;
GdkWin32Surface *impl;
GdkWin32Display *win32_display;
g_return_val_if_fail (surface != NULL, 1);
display = gdk_surface_get_display (surface);
impl = GDK_WIN32_SURFACE (surface);
win32_display = GDK_WIN32_DISPLAY (display);
if (win32_display->dpi_aware_type != PROCESS_DPI_UNAWARE)
{
if (win32_display->has_fixed_scale)
impl->surface_scale = win32_display->surface_scale;
else
impl->surface_scale = gdk_win32_display_get_monitor_scale_factor (win32_display,
surface,
NULL);
return impl->surface_scale;
}
else
{
if (win32_display->has_fixed_scale)
{
static gsize hidpi_msg_displayed = 0;
if (g_once_init_enter (&hidpi_msg_displayed))
{
g_message ("Note: GDK_SCALE is ignored as HiDPI awareness is disabled.");
g_once_init_leave (&hidpi_msg_displayed, 1);
}
}
/* Application is not DPI aware, don't bother */
return 1;
}
}
static void
gdk_win32_surface_set_input_region (GdkSurface *surface,
cairo_region_t *input_region)
{
/* Input region support is implemented by handling the
* WM_NCHITTEST message. */
}
static void
compute_toplevel_size (GdkSurface *surface,
gboolean update_geometry,
int *width,
int *height)
{
GdkDisplay *display = gdk_surface_get_display (surface);
GdkMonitor *monitor;
GdkToplevelSize size;
int bounds_width, bounds_height;
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
monitor = gdk_display_get_monitor_at_surface (display, surface);
if (monitor)
{
GdkRectangle workarea;
gdk_win32_monitor_get_workarea (monitor, &workarea);
bounds_width = workarea.width;
bounds_height = workarea.height;
}
else
{
bounds_width = G_MAXINT;
bounds_height = G_MAXINT;
}
gdk_toplevel_size_init (&size, bounds_width, bounds_height);
gdk_toplevel_notify_compute_size (GDK_TOPLEVEL (surface), &size);
g_warn_if_fail (size.width > 0);
g_warn_if_fail (size.height > 0);
*width = size.width;
*height = size.height;
if (size.shadow.is_valid)
{
gdk_win32_surface_set_shadow_width (surface,
size.shadow.left,
size.shadow.right,
size.shadow.top,
size.shadow.bottom);
}
if (update_geometry)
{
GdkGeometry geometry;
GdkSurfaceHints mask;
GdkToplevelLayout *layout = impl->toplevel_layout;
if (gdk_toplevel_layout_get_resizable (layout))
{
geometry.min_width = size.min_width;
geometry.min_height = size.min_height;
mask = GDK_HINT_MIN_SIZE;
}
else
{
geometry.max_width = geometry.min_width = *width;
geometry.max_height = geometry.min_height = *height;
mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
}
gdk_win32_surface_set_geometry_hints (surface, &geometry, mask);
gdk_surface_constrain_size (&geometry, mask, *width, *height, width, height);
}
}
static void
_gdk_win32_surface_request_layout (GdkSurface *surface)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
int scale = impl->surface_scale;
RECT rect;
if (impl->drag_move_resize_context.native_move_resize_pending)
{
surface->width = impl->next_layout.configured_width;
surface->height = impl->next_layout.configured_height;
}
else
{
gdk_win32_get_surface_hwnd_rect (surface, &rect);
/* Keep current position if rect is invalid (i.e. queried in bad context) */
if (rect.right == rect.left || rect.bottom == rect.top)
return;
impl->next_layout.configured_width = (rect.right - rect.left + scale - 1) / scale;
impl->next_layout.configured_height = (rect.bottom - rect.top + scale - 1) / scale;
if (GDK_IS_TOPLEVEL (surface))
{
surface->x = rect.left / scale;
surface->y = rect.top / scale;
}
else if (GDK_IS_POPUP (surface))
{
gdk_win32_surface_get_geometry (surface,
&surface->x, &surface->y,
NULL, NULL);
}
if (!impl->inhibit_configure)
impl->force_recompute_size = TRUE;
}
}
static gboolean
_gdk_win32_surface_compute_size (GdkSurface *surface)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
int width, height;
if (GDK_IS_TOPLEVEL (surface))
compute_toplevel_size (surface, TRUE, &width, &height);
if (!impl->drag_move_resize_context.native_move_resize_pending)
{
bool size_changed;
if (GDK_IS_TOPLEVEL (surface) && impl->force_recompute_size)
{
size_changed = width != surface->width ||
height != surface->height;
surface->width = width;
surface->height = height;
gdk_win32_surface_resize (surface, width, height);
impl->force_recompute_size = FALSE;
}
else
{
size_changed = width != impl->next_layout.configured_width ||
height != impl->next_layout.configured_height;
surface->width = impl->next_layout.configured_width;
surface->height = impl->next_layout.configured_height;
}
if (size_changed)
_gdk_surface_update_size (surface);
}
return FALSE;
}
static void
gdk_win32_surface_class_init (GdkWin32SurfaceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkSurfaceClass *impl_class = GDK_SURFACE_CLASS (klass);
object_class->constructed = gdk_win32_surface_constructed;
object_class->dispose = gdk_surface_win32_dispose;
object_class->finalize = gdk_surface_win32_finalize;
impl_class->hide = gdk_win32_surface_hide;
impl_class->get_geometry = gdk_win32_surface_get_geometry;
impl_class->get_device_state = gdk_surface_win32_get_device_state;
impl_class->get_root_coords = gdk_win32_surface_get_root_coords;
impl_class->set_input_region = gdk_win32_surface_set_input_region;
impl_class->destroy = gdk_win32_surface_destroy;
//impl_class->beep = gdk_x11_surface_beep;
impl_class->destroy_notify = gdk_win32_surface_destroy_notify;
impl_class->drag_begin = _gdk_win32_surface_drag_begin;
impl_class->get_scale = _gdk_win32_surface_get_scale;
impl_class->request_layout = _gdk_win32_surface_request_layout;
impl_class->compute_size = _gdk_win32_surface_compute_size;
}
/**
* gdk_win32_surface_get_handle:
* @surface: (type GdkWin32Surface): a native `GdkSurface`.
*
* Returns the HWND handle belonging to @surface.
*
* Returns: the associated HWND handle.
*/
HWND
gdk_win32_surface_get_handle (GdkSurface *surface)
{
g_return_val_if_fail (GDK_IS_WIN32_SURFACE (surface), NULL);
return GDK_SURFACE_HWND (surface);
}
#define LAST_PROP 1
typedef struct
{
GdkWin32Surface parent_instance;
} GdkWin32Popup;
typedef struct
{
GdkWin32SurfaceClass parent_class;
} GdkWin32PopupClass;
static void gdk_win32_popup_iface_init (GdkPopupInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GdkWin32Popup, gdk_win32_popup, GDK_TYPE_WIN32_SURFACE,
G_IMPLEMENT_INTERFACE (GDK_TYPE_POPUP,
gdk_win32_popup_iface_init))
static void
gdk_win32_popup_init (GdkWin32Popup *popup)
{
}
static void
gdk_win32_popup_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkSurface *surface = GDK_SURFACE (object);
switch (prop_id)
{
case LAST_PROP + GDK_POPUP_PROP_PARENT:
g_value_set_object (value, surface->parent);
break;
case LAST_PROP + GDK_POPUP_PROP_AUTOHIDE:
g_value_set_boolean (value, surface->autohide);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_SHORTCUTS_INHIBITED:
g_value_set_boolean (value, surface->shortcuts_inhibited);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_win32_popup_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkSurface *surface = GDK_SURFACE (object);
switch (prop_id)
{
case LAST_PROP + GDK_POPUP_PROP_PARENT:
surface->parent = g_value_dup_object (value);
if (surface->parent != NULL)
surface->parent->children = g_list_prepend (surface->parent->children, surface);
break;
case LAST_PROP + GDK_POPUP_PROP_AUTOHIDE:
surface->autohide = g_value_get_boolean (value);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_SHORTCUTS_INHIBITED:
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_win32_popup_class_init (GdkWin32PopupClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->get_property = gdk_win32_popup_get_property;
object_class->set_property = gdk_win32_popup_set_property;
gdk_popup_install_properties (object_class, 1);
}
static gboolean
gdk_win32_popup_present (GdkPopup *popup,
int width,
int height,
GdkPopupLayout *layout)
{
return gdk_win32_surface_present_popup (GDK_SURFACE (popup), width, height, layout);
}
static GdkGravity
gdk_win32_popup_get_surface_anchor (GdkPopup *popup)
{
return GDK_SURFACE (popup)->popup.surface_anchor;
}
static GdkGravity
gdk_win32_popup_get_rect_anchor (GdkPopup *popup)
{
return GDK_SURFACE (popup)->popup.rect_anchor;
}
static int
gdk_win32_popup_get_position_x (GdkPopup *popup)
{
return GDK_SURFACE (popup)->x;
}
static int
gdk_win32_popup_get_position_y (GdkPopup *popup)
{
return GDK_SURFACE (popup)->y;
}
static void
gdk_win32_popup_iface_init (GdkPopupInterface *iface)
{
iface->present = gdk_win32_popup_present;
iface->get_surface_anchor = gdk_win32_popup_get_surface_anchor;
iface->get_rect_anchor = gdk_win32_popup_get_rect_anchor;
iface->get_position_x = gdk_win32_popup_get_position_x;
iface->get_position_y = gdk_win32_popup_get_position_y;
}
typedef struct
{
GdkWin32Surface parent_instance;
} GdkWin32Toplevel;
typedef struct
{
GdkWin32SurfaceClass parent_class;
} GdkWin32ToplevelClass;
static void gdk_win32_toplevel_iface_init (GdkToplevelInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GdkWin32Toplevel, gdk_win32_toplevel, GDK_TYPE_WIN32_SURFACE,
G_IMPLEMENT_INTERFACE (GDK_TYPE_TOPLEVEL,
gdk_win32_toplevel_iface_init))
static void
gdk_win32_toplevel_constructed (GObject *object)
{
g_signal_connect (object, "notify::state",
G_CALLBACK (gdk_win32_toplevel_state_callback),
NULL);
G_OBJECT_CLASS (gdk_win32_toplevel_parent_class)->constructed (object);
}
static void
gdk_win32_toplevel_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkSurface *surface = GDK_SURFACE (object);
switch (prop_id)
{
case LAST_PROP + GDK_TOPLEVEL_PROP_TITLE:
gdk_win32_surface_set_title (surface, g_value_get_string (value));
g_object_notify_by_pspec (G_OBJECT (surface), pspec);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_STARTUP_ID:
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_TRANSIENT_FOR:
gdk_win32_surface_set_transient_for (surface, g_value_get_object (value));
g_object_notify_by_pspec (G_OBJECT (surface), pspec);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_MODAL:
GDK_SURFACE (surface)->modal_hint = g_value_get_boolean (value);
if (GDK_SURFACE (surface)->modal_hint)
gdk_win32_push_modal_surface (surface);
g_object_notify_by_pspec (G_OBJECT (surface), pspec);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_ICON_LIST:
gdk_win32_surface_set_icon_list (surface, g_value_get_pointer (value));
g_object_notify_by_pspec (G_OBJECT (surface), pspec);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_DECORATED:
GDK_WIN32_SURFACE (surface)->decorate_all = g_value_get_boolean (value);
_gdk_win32_surface_update_style_bits (surface);
g_object_notify_by_pspec (G_OBJECT (surface), pspec);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_DELETABLE:
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_FULLSCREEN_MODE:
surface->fullscreen_mode = g_value_get_enum (value);
g_object_notify_by_pspec (G_OBJECT (surface), pspec);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_SHORTCUTS_INHIBITED:
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_win32_toplevel_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkSurface *surface = GDK_SURFACE (object);
switch (prop_id)
{
case LAST_PROP + GDK_TOPLEVEL_PROP_STATE:
g_value_set_flags (value, surface->state);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_TITLE:
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_STARTUP_ID:
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_TRANSIENT_FOR:
g_value_set_object (value, surface->transient_for);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_MODAL:
g_value_set_boolean (value, GDK_SURFACE (surface)->modal_hint);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_ICON_LIST:
g_value_set_pointer (value, NULL);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_DECORATED:
g_value_set_boolean (value, GDK_WIN32_SURFACE (surface)->decorate_all);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_DELETABLE:
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_FULLSCREEN_MODE:
g_value_set_enum (value, surface->fullscreen_mode);
break;
case LAST_PROP + GDK_TOPLEVEL_PROP_SHORTCUTS_INHIBITED:
g_value_set_boolean (value, surface->shortcuts_inhibited);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_win32_toplevel_finalize (GObject *object)
{
GdkWin32Surface *self = GDK_WIN32_SURFACE (object);
g_signal_handlers_disconnect_by_func (self,
gdk_win32_toplevel_state_callback,
NULL);
G_OBJECT_CLASS (gdk_win32_toplevel_parent_class)->finalize (object);
}
static void
gdk_win32_toplevel_class_init (GdkWin32ToplevelClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->constructed = gdk_win32_toplevel_constructed;
object_class->finalize = gdk_win32_toplevel_finalize;
object_class->get_property = gdk_win32_toplevel_get_property;
object_class->set_property = gdk_win32_toplevel_set_property;
gdk_toplevel_install_properties (object_class, 1);
}
static void
gdk_win32_toplevel_init (GdkWin32Toplevel *toplevel)
{
}
static void
gdk_win32_toplevel_present (GdkToplevel *toplevel,
GdkToplevelLayout *layout)
{
GdkSurface *surface = GDK_SURFACE (toplevel);
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
int width, height;
gboolean maximize;
gboolean fullscreen;
g_clear_pointer (&impl->toplevel_layout, gdk_toplevel_layout_unref);
impl->toplevel_layout = gdk_toplevel_layout_copy (layout);
compute_toplevel_size (surface, FALSE, &width, &height);
gdk_win32_surface_resize (surface, width, height);
if (gdk_toplevel_layout_get_maximized (layout, &maximize))
{
if (maximize)
gdk_win32_surface_maximize (surface);
else
gdk_win32_surface_unmaximize (surface);
}
if (gdk_toplevel_layout_get_fullscreen (layout, &fullscreen))
{
if (fullscreen)
{
GdkMonitor *monitor;
monitor = gdk_toplevel_layout_get_fullscreen_monitor (layout);
gdk_win32_surface_fullscreen (surface, monitor);
}
else
{
gdk_win32_surface_unfullscreen (surface);
}
}
gdk_win32_surface_show (surface, FALSE);
maybe_notify_mapped (surface);
}
static gboolean
gdk_win32_toplevel_minimize (GdkToplevel *toplevel)
{
gdk_win32_surface_minimize (GDK_SURFACE (toplevel));
return TRUE;
}
static gboolean
gdk_win32_toplevel_lower (GdkToplevel *toplevel)
{
return FALSE;
}
static void
gdk_win32_toplevel_focus (GdkToplevel *toplevel,
guint32 timestamp)
{
gdk_win32_surface_focus (GDK_SURFACE (toplevel), timestamp);
}
static gboolean
gdk_win32_toplevel_show_window_menu (GdkToplevel *toplevel,
GdkEvent *event)
{
return gdk_win32_surface_show_window_menu (GDK_SURFACE (toplevel), event);
}
static gboolean
gdk_win32_toplevel_supports_edge_constraints (GdkToplevel *toplevel)
{
return FALSE;
}
static void
gdk_win32_toplevel_inhibit_system_shortcuts (GdkToplevel *toplevel,
GdkEvent *gdk_event)
{
GdkSurface *surface = GDK_SURFACE (toplevel);
GdkSeat *gdk_seat;
GdkGrabStatus status;
if (surface->shortcuts_inhibited)
return; /* Already inhibited */
if (!(surface->state & GDK_TOPLEVEL_STATE_FOCUSED))
return;
gdk_seat = gdk_surface_get_seat_from_event (surface, gdk_event);
if (!(gdk_seat_get_capabilities (gdk_seat) & GDK_SEAT_CAPABILITY_KEYBOARD))
return;
status = gdk_seat_grab (gdk_seat, surface, GDK_SEAT_CAPABILITY_KEYBOARD,
TRUE, NULL, gdk_event, NULL, NULL);
if (status != GDK_GRAB_SUCCESS)
return;
// TODO: install a WH_KEYBOARD_LL hook to take alt-tab/win etc.
surface->shortcuts_inhibited = TRUE;
surface->current_shortcuts_inhibited_seat = gdk_seat;
g_object_notify (G_OBJECT (toplevel), "shortcuts-inhibited");
}
static void
gdk_win32_toplevel_restore_system_shortcuts (GdkToplevel *toplevel)
{
GdkSurface *surface = GDK_SURFACE (toplevel);
GdkSeat *gdk_seat;
if (!surface->shortcuts_inhibited)
return; /* Not inhibited */
gdk_seat = surface->current_shortcuts_inhibited_seat;
gdk_seat_ungrab (gdk_seat);
surface->current_shortcuts_inhibited_seat = NULL;
surface->shortcuts_inhibited = FALSE;
g_object_notify (G_OBJECT (toplevel), "shortcuts-inhibited");
}
static void
gdk_win32_toplevel_state_callback (GdkSurface *surface)
{
if (surface->state & GDK_TOPLEVEL_STATE_FOCUSED)
return;
if (surface->shortcuts_inhibited)
gdk_win32_toplevel_restore_system_shortcuts (GDK_TOPLEVEL (surface));
}
static void
gdk_win32_toplevel_iface_init (GdkToplevelInterface *iface)
{
iface->present = gdk_win32_toplevel_present;
iface->minimize = gdk_win32_toplevel_minimize;
iface->lower = gdk_win32_toplevel_lower;
iface->focus = gdk_win32_toplevel_focus;
iface->show_window_menu = gdk_win32_toplevel_show_window_menu;
iface->supports_edge_constraints = gdk_win32_toplevel_supports_edge_constraints;
iface->inhibit_system_shortcuts = gdk_win32_toplevel_inhibit_system_shortcuts;
iface->restore_system_shortcuts = gdk_win32_toplevel_restore_system_shortcuts;
iface->begin_resize = gdk_win32_toplevel_begin_resize;
iface->begin_move = gdk_win32_toplevel_begin_move;
}
typedef struct
{
GdkWin32Surface parent_instance;
} GdkWin32DragSurface;
typedef struct
{
GdkWin32SurfaceClass parent_class;
} GdkWin32DragSurfaceClass;
static void gdk_win32_drag_surface_iface_init (GdkDragSurfaceInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GdkWin32DragSurface, gdk_win32_drag_surface, GDK_TYPE_WIN32_SURFACE,
G_IMPLEMENT_INTERFACE (GDK_TYPE_DRAG_SURFACE,
gdk_win32_drag_surface_iface_init))
static void
gdk_win32_drag_surface_init (GdkWin32DragSurface *surface)
{
}
static void
gdk_win32_drag_surface_class_init (GdkWin32DragSurfaceClass *class)
{
}
static gboolean
gdk_win32_drag_surface_present (GdkDragSurface *drag_surface,
int width,
int height)
{
GdkSurface *surface = GDK_SURFACE (drag_surface);
gdk_win32_surface_resize (surface, width, height);
gdk_win32_surface_show (surface, FALSE);
maybe_notify_mapped (surface);
return TRUE;
}
static void
gdk_win32_drag_surface_iface_init (GdkDragSurfaceInterface *iface)
{
iface->present = gdk_win32_drag_surface_present;
}
static void
gdk_win32_surface_get_queued_hwnd_rect (GdkSurface *surface,
int scale,
RECT *return_hwnd_rect)
{
RECT hwnd_rect;
_gdk_win32_get_window_client_area_rect (surface, scale, &hwnd_rect);
/* Turn client area into window area */
_gdk_win32_adjust_client_rect (surface, &hwnd_rect);
*return_hwnd_rect = hwnd_rect;
}
static void
gdk_win32_surface_apply_queued_move_resize (GdkSurface *surface,
RECT hwnd_rect)
{
if (!IsIconic (GDK_SURFACE_HWND (surface)))
{
GDK_NOTE (EVENTS, g_print ("Setting HWND position (SetWindowPos) ... "));
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (surface),
SWP_NOZORDER_SPECIFIED,
hwnd_rect.left, hwnd_rect.top,
hwnd_rect.right - hwnd_rect.left,
hwnd_rect.bottom - hwnd_rect.top,
SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOREDRAW));
GDK_NOTE (EVENTS, g_print (" ... set HWND position (SetWindowPos)\n"));
/*
* Workaround situations in the current Win32 surface resize code that may have notified GDK
* too late for resizes, which manifests on nVidia drivers (and AMD drivers in mailbox
* presentation mode) running under Vulkan when one interactively enlarges the surface (HWND).
*
* See MR !7562 for more details
*/
_gdk_surface_update_size (surface);
return;
}
/* Don't move iconic windows */
/* TODO: use SetWindowPlacement() to change non-minimized window position */
}
RECT
gdk_win32_surface_handle_queued_move_resize (GdkDrawContext *draw_context)
{
GdkSurface *surface;
GdkWin32Surface *impl;
int scale;
RECT queued_hwnd_rect;
surface = gdk_draw_context_get_surface (draw_context);
impl = GDK_WIN32_SURFACE (surface);
scale = gdk_surface_get_scale_factor (surface);
gdk_win32_surface_get_queued_hwnd_rect (surface, scale, &queued_hwnd_rect);
/* Apply queued resizes for non-double-buffered HWNDs
* before painting them (we paint on the surface DC directly,
* it must have the right size).
* Due to some poorly-undetstood issue delayed
* resizing of double-buffered HWNDs can produce weird
* artefacts, so these are also resized before we paint.
*/
if (impl->drag_move_resize_context.native_move_resize_pending)
{
impl->drag_move_resize_context.native_move_resize_pending = FALSE;
gdk_win32_surface_apply_queued_move_resize (surface, queued_hwnd_rect);
}
return queued_hwnd_rect;
}
void
_gdk_win32_surface_invalidate_egl_framebuffer (GdkSurface *surface)
{
/* If we are using ANGLE, we need to force redraw of the whole surface and its child surfaces
* as we need to re-acquire the EGL surfaces that we rendered to upload to Cairo explicitly,
* using gdk_window_invalidate_rect (), when we maximize or restore
*/
#ifdef HAVE_EGL
if (surface->gl_paint_context != NULL && gdk_gl_context_get_use_es (surface->gl_paint_context))
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
impl->egl_force_redraw_all = TRUE;
}
#endif
}
GdkSurface *
gdk_win32_drag_surface_new (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_WIN32_DRAG_SURFACE,
"display", display,
NULL);
}