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Add some client side book keeping of window ordering and focus in order to

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not send unnecessary updates. This is done to avoid side effects for commands
that would seem to be no-ops.


git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/branches/seamlessrdp-branch/rdesktop@1154 423420c4-83ab-492f-b58f-81f9feb106b5
This commit is contained in:
Pierre Ossman 2006-03-17 10:48:11 +00:00
parent b899e2f50f
commit d54d68dccc
1 changed files with 51 additions and 1 deletions
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52
xwin.c
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@ -55,6 +55,7 @@ typedef struct _seamless_window
Window wnd;
unsigned long id;
unsigned long parent;
unsigned long behind;
int xoffset, yoffset;
int width, height;
int state; /* normal/minimized/maximized. */
@ -62,6 +63,7 @@ typedef struct _seamless_window
struct _seamless_window *next;
} seamless_window;
static seamless_window *g_seamless_windows = NULL;
static unsigned long g_seamless_focused = 0;
static BOOL g_seamless_started = False; /* Server end is up and running */
static BOOL g_seamless_active = False; /* We are currently in seamless mode */
extern BOOL g_seamless_rdp;
@ -323,6 +325,36 @@ seamless_all_to_desktop(Window wnd, unsigned int desktop)
}
static void
seamless_restack_window(seamless_window * sw, unsigned long behind)
{
seamless_window *sw_above;
/* Remove window from stack */
for (sw_above = g_seamless_windows; sw_above; sw_above = sw_above->next)
{
if (sw_above->behind == sw->id)
break;
}
if (sw_above)
sw_above->behind = sw->behind;
/* And then add it at the new position */
for (sw_above = g_seamless_windows; sw_above; sw_above = sw_above->next)
{
if (sw_above->behind == behind)
break;
}
if (sw_above)
sw_above->behind = sw->id;
sw->behind = behind;
}
static void
mwm_hide_decorations(Window wnd)
{
@ -1774,10 +1806,21 @@ ui_seamless_handle_restack(seamless_window * sw)
break;
}
if (!sw_below && !sw->behind)
return;
if (sw_below && (sw_below->id == sw->behind))
return;
if (sw_below)
{
seamless_send_zchange(sw->id, sw_below->id, 0);
seamless_restack_window(sw, sw_below->id);
}
else
{
seamless_send_zchange(sw->id, 0, 0);
seamless_restack_window(sw, 0);
}
}
/* Process events in Xlib queue
@ -1917,7 +1960,11 @@ xwin_process_events(void)
if (!sw)
break;
seamless_send_focus(sw->id, 0);
if (sw->id != g_seamless_focused)
{
seamless_send_focus(sw->id, 0);
g_seamless_focused = sw->id;
}
break;
case FocusOut:
@ -3173,6 +3220,7 @@ ui_seamless_create_window(unsigned long id, unsigned long parent, unsigned long
sw->wnd = wnd;
sw->id = id;
sw->parent = parent;
sw->behind = 0;
sw->xoffset = 0;
sw->yoffset = 0;
sw->width = 0;
@ -3284,6 +3332,8 @@ ui_seamless_restack_window(unsigned long id, unsigned long behind, unsigned long
{
XRaiseWindow(g_display, sw->wnd);
}
seamless_restack_window(sw, behind);
}
void