static void
update_position(HWND hwnd)
{
RECT rect, blocked;
HWND blocked_hwnd;
unsigned int serial;
WaitForSingleObject(g_mutex, INFINITE);
blocked_hwnd = long_to_hwnd(g_shdata->block_move_hwnd);
serial = g_shdata->block_move_serial;
memcpy(&blocked, &g_shdata->block_move, sizeof(RECT));
ReleaseMutex(g_mutex);
vchannel_block();
if (!GetWindowRect(hwnd, &rect)) {
debug("GetWindowRect failed!");
goto end;
}
if ((hwnd == blocked_hwnd) && (rect.left == blocked.left)
&& (rect.top == blocked.top)
&& (rect.right == blocked.right) && (rect.bottom == blocked.bottom))
goto end;
vchannel_write("POSITION", "0x%08lx,%d,%d,%d,%d,0x%08x",
hwnd,
rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0);
end:
vchannel_unblock();
}
static void
update_position(HWND hwnd)
{
RECT rect, blocked;
HWND blocked_hwnd;
unsigned int serial;
WaitForSingleObject(g_mutex, INFINITE);
blocked_hwnd = g_block_move_hwnd;
serial = g_block_move_serial;
memcpy(&blocked, &g_block_move, sizeof(RECT));
ReleaseMutex(g_mutex);
vchannel_block();
if (IsZoomed(hwnd) || IsIconic(hwnd))
{
goto end;
}
else
{
if (!GetWindowRect(hwnd, &rect))
{
debug("GetWindowRect failed!\n");
goto end;
}
}
if ((hwnd == blocked_hwnd) && (rect.left == blocked.left) && (rect.top == blocked.top)
&& (rect.right == blocked.right) && (rect.bottom == blocked.bottom))
goto end;
if ((! IsZoomed(hwnd)) && (rect.left < 0 || rect.top < 0 || rect.bottom > g_screen_height || rect.right > g_screen_width)) {
int w = rect.right - rect.left;
int h = rect.bottom - rect.top;
int x = ((g_screen_width - rect.left) < w) ? (g_screen_width - w) : rect.left;
int y = ((g_screen_height - rect.top) < h) ? (g_screen_height - h) : rect.top;
x = (rect.left < 0) ? 0 : x;
y = (rect.top < 0) ? 0 : y;
SetWindowPos(hwnd, NULL, x, y, w, h, SWP_NOACTIVATE | SWP_NOZORDER);
goto end;
}
vchannel_write("POSITION", "0x%08lx,%d,%d,%d,%d,0x%08x",
hwnd,
rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0);
end:
vchannel_unblock();
}
static void
do_sync(void)
{
vchannel_block();
vchannel_write("SYNCBEGIN", "0x0");
EnumWindows(enum_cb, 0);
vchannel_write("SYNCEND", "0x0");
vchannel_unblock();
}
EXTERN void
SafeSetState(unsigned int serial, HWND hwnd, int state)
{
LONG style;
int curstate;
if (!g_wm_seamless_focus)
return;
vchannel_block();
style = GetWindowLong(hwnd, GWL_STYLE);
if (style & WS_MAXIMIZE)
curstate = 2;
else if (style & WS_MINIMIZE)
curstate = 1;
else
curstate = 0;
if (state == curstate) {
vchannel_write("ACK", "%u", serial);
vchannel_unblock();
return;
}
WaitForSingleObject(g_mutex, INFINITE);
g_shdata->blocked_state_hwnd = hwnd_to_long(hwnd);
g_shdata->blocked_state_serial = serial;
g_shdata->blocked_state = state;
ReleaseMutex(g_mutex);
vchannel_unblock();
if (state == 0)
ShowWindow(hwnd, SW_RESTORE);
else if (state == 1)
ShowWindow(hwnd, SW_MINIMIZE);
else if (state == 2)
ShowWindow(hwnd, SW_MAXIMIZE);
else
debug("Invalid state %d sent.", state);
WaitForSingleObject(g_mutex, INFINITE);
g_shdata->blocked_state_hwnd = 0;
g_shdata->blocked_state = -1;
ReleaseMutex(g_mutex);
}
static void
update_zorder(HWND hwnd)
{
HWND behind;
HWND block_hwnd, block_behind;
unsigned int serial;
WaitForSingleObject(g_mutex, INFINITE);
serial = g_blocked_zchange_serial;
block_hwnd = g_blocked_zchange[0];
block_behind = g_blocked_zchange[1];
ReleaseMutex(g_mutex);
vchannel_block();
behind = GetNextWindow(hwnd, GW_HWNDPREV);
while (behind)
{
LONG style;
style = GetWindowLong(behind, GWL_STYLE);
if ((!(style & WS_CHILD) || (style & WS_POPUP)) && (style & WS_VISIBLE))
break;
behind = GetNextWindow(behind, GW_HWNDPREV);
}
if ((hwnd == block_hwnd) && (behind == block_behind))
vchannel_write("ACK", "%u", serial);
else
{
int flags = 0;
LONG exstyle = GetWindowLong(hwnd, GWL_EXSTYLE);
// handle always on top
if (exstyle & WS_EX_TOPMOST)
flags |= SEAMLESS_CREATE_TOPMOST;
vchannel_write("ZCHANGE", "0x%08lx,0x%08lx,0x%08x", hwnd, behind, flags);
}
vchannel_unblock();
}
static LRESULT CALLBACK
wndprocret_hook_proc(int code, WPARAM cur_thread, LPARAM details)
{
HWND hwnd;
UINT msg;
WPARAM wparam;
LPARAM lparam;
LONG style;
if (code < 0)
goto end;
hwnd = ((CWPRETSTRUCT *) details)->hwnd;
msg = ((CWPRETSTRUCT *) details)->message;
wparam = ((CWPRETSTRUCT *) details)->wParam;
lparam = ((CWPRETSTRUCT *) details)->lParam;
if (!is_toplevel(hwnd) || is_seamless_internal_windows(hwnd))
{
goto end;
}
style = GetWindowLong(hwnd, GWL_STYLE);
switch (msg)
{
case WM_WINDOWPOSCHANGED:
{
WINDOWPOS *wp = (WINDOWPOS *) lparam;
if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE))
break;
if (!(wp->flags & SWP_NOZORDER))
//update_zorder(hwnd) --> WinDev applications bring if we do that;
break;
break;
}
case WM_SETTEXT:
{
if (!(style & WS_VISIBLE))
break;
/* We cannot use the string in lparam because
we need unicode. */
if (getWindowFromHistory(hwnd) == NULL){
create_window(hwnd);
}
else{
BOOLEAN titleIsTheSame = TRUE;
int i = 0;
unsigned short *title;
node* window = getWindowFromHistory(hwnd);
if (window == NULL) {
break;
}
title = malloc(sizeof(unsigned short) * TITLE_SIZE);
if (title == NULL)
break;
GetWindowTextW(hwnd, title, TITLE_SIZE);
if (window->title != NULL) {
for (i = 0; i < TITLE_SIZE; i++) {
if (title[i] != window->title[i]) {
titleIsTheSame = FALSE;
break;
}
}
}
else {
titleIsTheSame = FALSE;
}
if (titleIsTheSame) {
free(title);
break;
}
vchannel_write("TITLE", "0x%08lx,%s,0x%08x", hwnd, vchannel_strfilter_unicode(title), 0);
if (window->title) {
free(window->title);
window->title;
}
window->title = title;
}
break;
}
case WM_SETICON:
{
HICON icon;
/*
* Somehow, we never get WM_SETICON for the small icon.
* So trigger a read of it every time the large one is
* changed.
*/
icon = get_icon(hwnd, 0);
if (icon)
{
update_icon(hwnd, icon, 0);
DeleteObject(icon);
}
break;
}
case WM_ACTIVATE:
// http://msdn.microsoft.com/en-us/library/ms646274(VS.85).aspx
if (wparam == 0) // WA_INACTIVE
break;
case WM_SETFOCUS: // Focus gained
if (hwnd == g_last_focused_window)
break;
WaitForSingleObject(g_mutex, INFINITE);
g_last_focused_window = hwnd;
ReleaseMutex(g_mutex);
{
node* window;
window = getWindowFromHistory(hwnd);
if (window == NULL) {
window = addHWDNToHistory(hwnd);
if (window == NULL)
goto end;
window->focus = TRUE;
goto end;
}
}
vchannel_block();
vchannel_write("FOCUS", "0x%08lx", hwnd);
vchannel_unblock();
break;
default:
break;
}
end:
return CallNextHookEx(g_wndprocret_hook, code, cur_thread, details);
}
