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win32: Add custom placements for some window types

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Windows with transients: center on parent
Splash screens: center on monitor
Also properly ignores initial moves of unmapped
windows that are not override redirect or HINT_POS

Fixes bugs #324254 and #612359
This commit is contained in:
Alexander Larsson 2011-10-27 16:09:42 +02:00
parent ac00340d4c
commit 8588944cb9
2 changed files with 93 additions and 2 deletions
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91
gdk/win32/gdkwindow-win32.c
View File

@ -506,6 +506,7 @@ _gdk_window_impl_new (GdkWindow *window,
GdkDrawableImplWin32 *draw_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;
@ -536,8 +537,12 @@ _gdk_window_impl_new (GdkWindow *window,
g_assert (attributes->y == private->y);
remaining_mask &= ~GDK_WA_Y;
}
override_redirect = FALSE;
if ((attributes_mask & GDK_WA_NOREDIR) != 0)
remaining_mask &= ~GDK_WA_NOREDIR;
{
override_redirect = !!attributes->override_redirect;
remaining_mask &= ~GDK_WA_NOREDIR;
}
if ((remaining_mask & ~(GDK_WA_WMCLASS|GDK_WA_VISUAL|GDK_WA_CURSOR|GDK_WA_COLORMAP|GDK_WA_TITLE|GDK_WA_TYPE_HINT)) != 0)
g_warning ("_gdk_window_impl_new: uexpected attribute 0x%X",
@ -554,6 +559,7 @@ _gdk_window_impl_new (GdkWindow *window,
g_assert (visual == attributes->visual);
impl->extension_events_selected = FALSE;
impl->override_redirect = override_redirect;
/* wclass is not any longer set always, but if is ... */
if ((attributes_mask & GDK_WA_WMCLASS) == GDK_WA_WMCLASS)
@ -710,6 +716,9 @@ _gdk_window_impl_new (GdkWindow *window,
# endif
}
GetWindowRect (GDK_WINDOW_HWND (window), &rect);
impl->initial_x = rect.left;
impl->initial_y = rect.top;
g_object_ref (window);
gdk_win32_handle_table_insert (&GDK_WINDOW_HWND (window), window);
@ -993,6 +1002,7 @@ show_window_internal (GdkWindow *window,
gboolean deiconify)
{
GdkWindowObject *private;
GdkWindowImplWin32 *window_impl;
HWND old_active_window;
gboolean focus_on_map = FALSE;
DWORD exstyle;
@ -1057,6 +1067,77 @@ show_window_internal (GdkWindow *window,
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 (private->impl);
if (!already_mapped &&
(GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL ||
GDK_WINDOW_TYPE (window) == GDK_WINDOW_DIALOG) &&
(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))
{
GdkWindowObject *owner = GDK_WINDOW_OBJECT (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 = private->width;
window_rect.bottom = private->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), NULL,
x, y, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
}
if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
{
gdk_window_fullscreen (window);
@ -2706,9 +2787,15 @@ void
gdk_window_set_override_redirect (GdkWindow *window,
gboolean override_redirect)
{
GdkWindowObject *private;
GdkWindowImplWin32 *window_impl;
g_return_if_fail (GDK_IS_WINDOW (window));
g_warning ("gdk_window_set_override_redirect not implemented");
private = (GdkWindowObject *) window;
window_impl = GDK_WINDOW_IMPL_WIN32 (private->impl);
window_impl->override_redirect = !!override_redirect;
}
void

4
gdk/win32/gdkwindow-win32.h
View File

@ -91,8 +91,12 @@ struct _GdkWindowImplWin32
gint num_transients;
gboolean changing_state;
gint initial_x;
gint initial_y;
guint no_bg : 1;
guint inhibit_configure : 1;
guint override_redirect : 1;
};
struct _GdkWindowImplWin32Class