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explorer: Add support for displaying system tray notification balloons in desktop mode.
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commit
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@ -87,9 +87,18 @@ static struct icon **displayed; /* array of currently displayed icons */
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static BOOL hide_systray;
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static int icon_cx, icon_cy, tray_width;
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static struct icon *balloon_icon;
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static HWND balloon_window;
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#define MIN_DISPLAYED 8
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#define ICON_BORDER 2
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#define VALID_WIN_TIMER 1
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#define BALLOON_CREATE_TIMER 2
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#define BALLOON_SHOW_TIMER 3
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#define VALID_WIN_TIMEOUT 2000
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#define BALLOON_CREATE_TIMEOUT 2000
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#define BALLOON_SHOW_MIN_TIMEOUT 10000
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#define BALLOON_SHOW_MAX_TIMEOUT 30000
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@ -116,14 +125,11 @@ static RECT get_icon_rect( struct icon *icon )
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return rect;
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}
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/* Creates tooltip window for icon. */
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static void create_tooltip(struct icon *icon)
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static void init_common_controls(void)
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{
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TTTOOLINFOW ti;
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static BOOL tooltips_initialized = FALSE;
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static BOOL initialized = FALSE;
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/* Register tooltip classes if this is the first icon */
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if (!tooltips_initialized)
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if (!initialized)
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{
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INITCOMMONCONTROLSEX init_tooltip;
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@ -131,9 +137,16 @@ static void create_tooltip(struct icon *icon)
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init_tooltip.dwICC = ICC_TAB_CLASSES;
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InitCommonControlsEx(&init_tooltip);
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tooltips_initialized = TRUE;
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initialized = TRUE;
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}
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}
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/* Creates tooltip window for icon. */
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static void create_tooltip(struct icon *icon)
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{
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TTTOOLINFOW ti;
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init_common_controls();
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icon->tooltip = CreateWindowExW(WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL,
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WS_POPUP | TTS_ALWAYSTIP,
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CW_USEDEFAULT, CW_USEDEFAULT,
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@ -148,6 +161,96 @@ static void create_tooltip(struct icon *icon)
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SendMessageW(icon->tooltip, TTM_ADDTOOLW, 0, (LPARAM)&ti);
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}
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static void set_balloon_position( struct icon *icon )
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{
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RECT rect = get_icon_rect( icon );
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POINT pos;
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MapWindowPoints( tray_window, 0, (POINT *)&rect, 2 );
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pos.x = (rect.left + rect.right) / 2;
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pos.y = (rect.top + rect.bottom) / 2;
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SendMessageW( balloon_window, TTM_TRACKPOSITION, 0, MAKELONG( pos.x, pos.y ));
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}
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static void balloon_create_timer(void)
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{
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TTTOOLINFOW ti;
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init_common_controls();
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balloon_window = CreateWindowExW( WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL,
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WS_POPUP | TTS_ALWAYSTIP | TTS_NOPREFIX | TTS_BALLOON | TTS_CLOSE,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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tray_window, NULL, NULL, NULL);
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memset( &ti, 0, sizeof(ti) );
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ti.cbSize = sizeof(TTTOOLINFOW);
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ti.hwnd = tray_window;
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ti.uFlags = TTF_TRACK;
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ti.lpszText = balloon_icon->info_text;
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SendMessageW( balloon_window, TTM_ADDTOOLW, 0, (LPARAM)&ti );
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if ((balloon_icon->info_flags & NIIF_ICONMASK) == NIIF_USER)
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SendMessageW( balloon_window, TTM_SETTITLEW, (WPARAM)balloon_icon->info_icon,
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(LPARAM)balloon_icon->info_title );
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else
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SendMessageW( balloon_window, TTM_SETTITLEW, balloon_icon->info_flags,
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(LPARAM)balloon_icon->info_title );
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set_balloon_position( balloon_icon );
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SendMessageW( balloon_window, TTM_TRACKACTIVATE, TRUE, (LPARAM)&ti );
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KillTimer( tray_window, BALLOON_CREATE_TIMER );
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SetTimer( tray_window, BALLOON_SHOW_TIMER, balloon_icon->info_timeout, NULL );
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}
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static BOOL show_balloon( struct icon *icon )
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{
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if (icon->display == -1) return FALSE; /* not displayed */
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if (!icon->info_text[0]) return FALSE; /* no balloon */
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balloon_icon = icon;
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SetTimer( tray_window, BALLOON_CREATE_TIMER, BALLOON_CREATE_TIMEOUT, NULL );
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return TRUE;
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}
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static void hide_balloon(void)
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{
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if (!balloon_icon) return;
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if (balloon_window)
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{
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KillTimer( tray_window, BALLOON_SHOW_TIMER );
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DestroyWindow( balloon_window );
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balloon_window = 0;
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}
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else KillTimer( tray_window, BALLOON_CREATE_TIMER );
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balloon_icon = NULL;
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}
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static void show_next_balloon(void)
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{
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struct icon *icon;
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LIST_FOR_EACH_ENTRY( icon, &icon_list, struct icon, entry )
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if (show_balloon( icon )) break;
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}
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static void update_balloon( struct icon *icon )
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{
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if (balloon_icon == icon)
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{
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hide_balloon();
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show_balloon( icon );
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}
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else if (!balloon_icon)
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{
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if (!show_balloon( icon )) return;
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}
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if (!balloon_icon) show_next_balloon();
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}
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static void balloon_timer(void)
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{
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if (balloon_icon) balloon_icon->info_text[0] = 0; /* clear text now that balloon has been shown */
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hide_balloon();
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show_next_balloon();
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}
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/* Synchronize tooltip text with tooltip window */
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static void update_tooltip_text(struct icon *icon)
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{
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@ -171,6 +274,7 @@ static void update_tooltip_position( struct icon *icon )
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ti.hwnd = tray_window;
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if (icon->display != -1) ti.rect = get_icon_rect( icon );
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SendMessageW( icon->tooltip, TTM_NEWTOOLRECTW, 0, (LPARAM)&ti );
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if (balloon_icon == icon) set_balloon_position( icon );
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}
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/* find the icon located at a certain point in the tray window */
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@ -220,6 +324,7 @@ static BOOL show_icon(struct icon *icon)
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if (nb_displayed == 1 && !hide_systray) ShowWindow( tray_window, SW_SHOWNA );
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create_tooltip(icon);
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update_balloon( icon );
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return TRUE;
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}
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@ -245,6 +350,7 @@ static BOOL hide_icon(struct icon *icon)
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if (!nb_displayed) ShowWindow( tray_window, SW_HIDE );
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update_balloon( icon );
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update_tooltip_position( icon );
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return TRUE;
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}
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@ -289,6 +395,7 @@ static BOOL modify_icon( struct icon *icon, NOTIFYICONDATAW *nid )
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icon->info_flags = nid->dwInfoFlags;
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icon->info_timeout = max(min(nid->u.uTimeout, BALLOON_SHOW_MAX_TIMEOUT), BALLOON_SHOW_MIN_TIMEOUT);
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icon->info_icon = nid->hBalloonIcon;
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update_balloon( icon );
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}
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if (icon->state & NIS_HIDDEN) hide_icon( icon );
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else show_icon( icon );
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@ -319,7 +426,7 @@ static BOOL add_icon(NOTIFYICONDATAW *nid)
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icon->owner = nid->hWnd;
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icon->display = -1;
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if (list_empty( &icon_list )) SetTimer( tray_window, 1, 2000, NULL );
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if (list_empty( &icon_list )) SetTimer( tray_window, VALID_WIN_TIMER, VALID_WIN_TIMEOUT, NULL );
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list_add_tail(&icon_list, &icon->entry);
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return modify_icon( icon, nid );
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@ -332,7 +439,7 @@ static BOOL delete_icon(struct icon *icon)
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list_remove(&icon->entry);
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DestroyIcon(icon->image);
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HeapFree(GetProcessHeap(), 0, icon);
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if (list_empty( &icon_list )) KillTimer( tray_window, 1 );
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if (list_empty( &icon_list )) KillTimer( tray_window, VALID_WIN_TIMER );
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return TRUE;
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}
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@ -448,7 +555,12 @@ static LRESULT WINAPI tray_wndproc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM l
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break;
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case WM_TIMER:
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cleanup_destroyed_windows();
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switch (wparam)
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{
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case VALID_WIN_TIMER: cleanup_destroyed_windows(); break;
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case BALLOON_CREATE_TIMER: balloon_create_timer(); break;
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case BALLOON_SHOW_TIMER: balloon_timer(); break;
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}
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break;
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case WM_PAINT:
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