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cursor-tracker: Force the grab cursor on grab ops

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This makes window moving have a 'window move' cursor, and similar.
This commit is contained in:
Jasper St. Pierre 2013-11-18 19:34:04 -05:00
parent d96b053c9d
commit 4091f5493d
3 changed files with 43 additions and 31 deletions
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43
src/core/display.c
View File

@ -53,6 +53,7 @@
#include <X11/Xatom.h>
#include "mutter-enum-types.h"
#include "meta-idle-monitor-private.h"
#include "meta-cursor-tracker-private.h"
#ifdef HAVE_RANDR
#include <X11/extensions/Xrandr.h>
@ -3879,59 +3880,53 @@ meta_display_xwindow_is_a_no_focus_window (MetaDisplay *display,
return is_a_no_focus_window;
}
static Cursor
xcursor_for_op (MetaDisplay *display,
MetaGrabOp op)
static MetaCursor
meta_cursor_for_grab_op (MetaGrabOp op)
{
MetaCursor cursor = META_CURSOR_DEFAULT;
switch (op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_KEYBOARD_RESIZING_SE:
cursor = META_CURSOR_SE_RESIZE;
return META_CURSOR_SE_RESIZE;
break;
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_KEYBOARD_RESIZING_S:
cursor = META_CURSOR_SOUTH_RESIZE;
return META_CURSOR_SOUTH_RESIZE;
break;
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_KEYBOARD_RESIZING_SW:
cursor = META_CURSOR_SW_RESIZE;
return META_CURSOR_SW_RESIZE;
break;
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_KEYBOARD_RESIZING_N:
cursor = META_CURSOR_NORTH_RESIZE;
return META_CURSOR_NORTH_RESIZE;
break;
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_KEYBOARD_RESIZING_NE:
cursor = META_CURSOR_NE_RESIZE;
return META_CURSOR_NE_RESIZE;
break;
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_KEYBOARD_RESIZING_NW:
cursor = META_CURSOR_NW_RESIZE;
return META_CURSOR_NW_RESIZE;
break;
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_KEYBOARD_RESIZING_W:
cursor = META_CURSOR_WEST_RESIZE;
return META_CURSOR_WEST_RESIZE;
break;
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_KEYBOARD_RESIZING_E:
cursor = META_CURSOR_EAST_RESIZE;
return META_CURSOR_EAST_RESIZE;
break;
case META_GRAB_OP_MOVING:
case META_GRAB_OP_KEYBOARD_MOVING:
case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN:
cursor = META_CURSOR_MOVE_OR_RESIZE_WINDOW;
return META_CURSOR_MOVE_OR_RESIZE_WINDOW;
break;
default:
break;
}
if (cursor == META_CURSOR_DEFAULT)
return None;
return meta_display_create_x_cursor (display, cursor);
return META_CURSOR_DEFAULT;
}
void
@ -3941,7 +3936,6 @@ meta_display_set_grab_op_cursor (MetaDisplay *display,
Window grab_xwindow,
guint32 timestamp)
{
Cursor cursor = xcursor_for_op (display, op);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
@ -3958,7 +3952,7 @@ meta_display_set_grab_op_cursor (MetaDisplay *display,
META_VIRTUAL_CORE_POINTER_ID,
grab_xwindow,
timestamp,
cursor,
None,
XIGrabModeAsync, XIGrabModeAsync,
False, /* owner_events */
&mask) == Success)
@ -3974,10 +3968,10 @@ meta_display_set_grab_op_cursor (MetaDisplay *display,
"XIGrabDevice() failed time %u\n",
timestamp);
}
meta_error_trap_pop (display);
if (cursor != None)
XFreeCursor (display->xdisplay, cursor);
meta_cursor_tracker_set_grab_cursor (screen->cursor_tracker, meta_cursor_for_grab_op (op));
}
gboolean
@ -4239,7 +4233,8 @@ meta_display_end_grab_op (MetaDisplay *display,
meta_screen_ungrab_all_keys (display->grab_screen, timestamp);
}
meta_cursor_tracker_set_grab_cursor (display->grab_screen->cursor_tracker, META_CURSOR_DEFAULT);
display->grab_timestamp = 0;
display->grab_window = NULL;
display->grab_screen = NULL;

2
src/core/meta-cursor-tracker-private.h
View File

@ -31,6 +31,8 @@
gboolean meta_cursor_tracker_handle_xevent (MetaCursorTracker *tracker,
XEvent *xevent);
void meta_cursor_tracker_set_grab_cursor (MetaCursorTracker *tracker,
MetaCursor cursor);
void meta_cursor_tracker_set_window_cursor (MetaCursorTracker *tracker,
struct wl_resource *buffer,
int hot_x,

29
src/core/meta-cursor-tracker.c
View File

@ -70,19 +70,22 @@ struct _MetaCursorTracker {
gboolean is_showing;
gboolean has_hw_cursor;
/* The cursor tracker stores the cursor for the window with
* pointer focus, and the cursor for the root window, which
* contains either the default arrow cursor or the 'busy'
* hourglass if we're launching an app.
/* The cursor tracker stores the cursor for the current grab
* operation, the cursor for the window with pointer focus, and
* the cursor for the root window, which contains either the
* default arrow cursor or the 'busy' hourglass if we're launching
* an app.
*
* We choose the first one available -- if there's a window
* cursor, we choose that, otherwise we choose the root
* cursor.
* We choose the first one available -- if there's a grab cursor,
* we choose that cursor, if there's window cursor, we choose that,
* otherwise we choose the root cursor.
*
* The displayed_cursor contains the chosen cursor.
*/
MetaCursorReference *displayed_cursor;
MetaCursorReference *grab_cursor;
/* Wayland clients can set a NULL buffer as their cursor
* explicitly, which means that we shouldn't display anything.
* So, we can't simply store a NULL in window_cursor to
@ -829,6 +832,15 @@ ensure_wayland_cursor (MetaCursorTracker *tracker,
return tracker->default_cursors[cursor];
}
void
meta_cursor_tracker_set_grab_cursor (MetaCursorTracker *tracker,
MetaCursor cursor)
{
g_clear_pointer (&tracker->grab_cursor, meta_cursor_reference_unref);
if (cursor != META_CURSOR_DEFAULT)
tracker->grab_cursor = ensure_wayland_cursor (tracker, cursor);
}
void
meta_cursor_tracker_set_window_cursor (MetaCursorTracker *tracker,
struct wl_resource *buffer,
@ -937,6 +949,9 @@ get_displayed_cursor (MetaCursorTracker *tracker)
if (!tracker->is_showing)
return NULL;
if (tracker->grab_cursor)
return tracker->grab_cursor;
if (tracker->has_window_cursor)
return tracker->window_cursor;