From ed3ac5f4d61d30291078b1cdba392d204ea44426 Mon Sep 17 00:00:00 2001 From: Alexandre Julliard Date: Wed, 15 Dec 2010 17:16:52 +0100 Subject: [PATCH] explorer: Add support for displaying system tray notification balloons in desktop mode. --- programs/explorer/systray.c | 132 +++++++++++++++++++++++++++++++++--- 1 file changed, 122 insertions(+), 10 deletions(-) diff --git a/programs/explorer/systray.c b/programs/explorer/systray.c index 1b55664aa82..93793ab2e41 100644 --- a/programs/explorer/systray.c +++ b/programs/explorer/systray.c @@ -87,9 +87,18 @@ static struct icon **displayed; /* array of currently displayed icons */ static BOOL hide_systray; static int icon_cx, icon_cy, tray_width; +static struct icon *balloon_icon; +static HWND balloon_window; + #define MIN_DISPLAYED 8 #define ICON_BORDER 2 +#define VALID_WIN_TIMER 1 +#define BALLOON_CREATE_TIMER 2 +#define BALLOON_SHOW_TIMER 3 + +#define VALID_WIN_TIMEOUT 2000 +#define BALLOON_CREATE_TIMEOUT 2000 #define BALLOON_SHOW_MIN_TIMEOUT 10000 #define BALLOON_SHOW_MAX_TIMEOUT 30000 @@ -116,14 +125,11 @@ static RECT get_icon_rect( struct icon *icon ) return rect; } -/* Creates tooltip window for icon. */ -static void create_tooltip(struct icon *icon) +static void init_common_controls(void) { - TTTOOLINFOW ti; - static BOOL tooltips_initialized = FALSE; + static BOOL initialized = FALSE; - /* Register tooltip classes if this is the first icon */ - if (!tooltips_initialized) + if (!initialized) { INITCOMMONCONTROLSEX init_tooltip; @@ -131,9 +137,16 @@ static void create_tooltip(struct icon *icon) init_tooltip.dwICC = ICC_TAB_CLASSES; InitCommonControlsEx(&init_tooltip); - tooltips_initialized = TRUE; + initialized = TRUE; } +} +/* Creates tooltip window for icon. */ +static void create_tooltip(struct icon *icon) +{ + TTTOOLINFOW ti; + + init_common_controls(); icon->tooltip = CreateWindowExW(WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL, WS_POPUP | TTS_ALWAYSTIP, CW_USEDEFAULT, CW_USEDEFAULT, @@ -148,6 +161,96 @@ static void create_tooltip(struct icon *icon) SendMessageW(icon->tooltip, TTM_ADDTOOLW, 0, (LPARAM)&ti); } +static void set_balloon_position( struct icon *icon ) +{ + RECT rect = get_icon_rect( icon ); + POINT pos; + + MapWindowPoints( tray_window, 0, (POINT *)&rect, 2 ); + pos.x = (rect.left + rect.right) / 2; + pos.y = (rect.top + rect.bottom) / 2; + SendMessageW( balloon_window, TTM_TRACKPOSITION, 0, MAKELONG( pos.x, pos.y )); +} + +static void balloon_create_timer(void) +{ + TTTOOLINFOW ti; + + init_common_controls(); + balloon_window = CreateWindowExW( WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL, + WS_POPUP | TTS_ALWAYSTIP | TTS_NOPREFIX | TTS_BALLOON | TTS_CLOSE, + CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, + tray_window, NULL, NULL, NULL); + + memset( &ti, 0, sizeof(ti) ); + ti.cbSize = sizeof(TTTOOLINFOW); + ti.hwnd = tray_window; + ti.uFlags = TTF_TRACK; + ti.lpszText = balloon_icon->info_text; + SendMessageW( balloon_window, TTM_ADDTOOLW, 0, (LPARAM)&ti ); + if ((balloon_icon->info_flags & NIIF_ICONMASK) == NIIF_USER) + SendMessageW( balloon_window, TTM_SETTITLEW, (WPARAM)balloon_icon->info_icon, + (LPARAM)balloon_icon->info_title ); + else + SendMessageW( balloon_window, TTM_SETTITLEW, balloon_icon->info_flags, + (LPARAM)balloon_icon->info_title ); + set_balloon_position( balloon_icon ); + SendMessageW( balloon_window, TTM_TRACKACTIVATE, TRUE, (LPARAM)&ti ); + KillTimer( tray_window, BALLOON_CREATE_TIMER ); + SetTimer( tray_window, BALLOON_SHOW_TIMER, balloon_icon->info_timeout, NULL ); +} + +static BOOL show_balloon( struct icon *icon ) +{ + if (icon->display == -1) return FALSE; /* not displayed */ + if (!icon->info_text[0]) return FALSE; /* no balloon */ + balloon_icon = icon; + SetTimer( tray_window, BALLOON_CREATE_TIMER, BALLOON_CREATE_TIMEOUT, NULL ); + return TRUE; +} + +static void hide_balloon(void) +{ + if (!balloon_icon) return; + if (balloon_window) + { + KillTimer( tray_window, BALLOON_SHOW_TIMER ); + DestroyWindow( balloon_window ); + balloon_window = 0; + } + else KillTimer( tray_window, BALLOON_CREATE_TIMER ); + balloon_icon = NULL; +} + +static void show_next_balloon(void) +{ + struct icon *icon; + + LIST_FOR_EACH_ENTRY( icon, &icon_list, struct icon, entry ) + if (show_balloon( icon )) break; +} + +static void update_balloon( struct icon *icon ) +{ + if (balloon_icon == icon) + { + hide_balloon(); + show_balloon( icon ); + } + else if (!balloon_icon) + { + if (!show_balloon( icon )) return; + } + if (!balloon_icon) show_next_balloon(); +} + +static void balloon_timer(void) +{ + if (balloon_icon) balloon_icon->info_text[0] = 0; /* clear text now that balloon has been shown */ + hide_balloon(); + show_next_balloon(); +} + /* Synchronize tooltip text with tooltip window */ static void update_tooltip_text(struct icon *icon) { @@ -171,6 +274,7 @@ static void update_tooltip_position( struct icon *icon ) ti.hwnd = tray_window; if (icon->display != -1) ti.rect = get_icon_rect( icon ); SendMessageW( icon->tooltip, TTM_NEWTOOLRECTW, 0, (LPARAM)&ti ); + if (balloon_icon == icon) set_balloon_position( icon ); } /* find the icon located at a certain point in the tray window */ @@ -220,6 +324,7 @@ static BOOL show_icon(struct icon *icon) if (nb_displayed == 1 && !hide_systray) ShowWindow( tray_window, SW_SHOWNA ); create_tooltip(icon); + update_balloon( icon ); return TRUE; } @@ -245,6 +350,7 @@ static BOOL hide_icon(struct icon *icon) if (!nb_displayed) ShowWindow( tray_window, SW_HIDE ); + update_balloon( icon ); update_tooltip_position( icon ); return TRUE; } @@ -289,6 +395,7 @@ static BOOL modify_icon( struct icon *icon, NOTIFYICONDATAW *nid ) icon->info_flags = nid->dwInfoFlags; icon->info_timeout = max(min(nid->u.uTimeout, BALLOON_SHOW_MAX_TIMEOUT), BALLOON_SHOW_MIN_TIMEOUT); icon->info_icon = nid->hBalloonIcon; + update_balloon( icon ); } if (icon->state & NIS_HIDDEN) hide_icon( icon ); else show_icon( icon ); @@ -319,7 +426,7 @@ static BOOL add_icon(NOTIFYICONDATAW *nid) icon->owner = nid->hWnd; icon->display = -1; - if (list_empty( &icon_list )) SetTimer( tray_window, 1, 2000, NULL ); + if (list_empty( &icon_list )) SetTimer( tray_window, VALID_WIN_TIMER, VALID_WIN_TIMEOUT, NULL ); list_add_tail(&icon_list, &icon->entry); return modify_icon( icon, nid ); @@ -332,7 +439,7 @@ static BOOL delete_icon(struct icon *icon) list_remove(&icon->entry); DestroyIcon(icon->image); HeapFree(GetProcessHeap(), 0, icon); - if (list_empty( &icon_list )) KillTimer( tray_window, 1 ); + if (list_empty( &icon_list )) KillTimer( tray_window, VALID_WIN_TIMER ); return TRUE; } @@ -448,7 +555,12 @@ static LRESULT WINAPI tray_wndproc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM l break; case WM_TIMER: - cleanup_destroyed_windows(); + switch (wparam) + { + case VALID_WIN_TIMER: cleanup_destroyed_windows(); break; + case BALLOON_CREATE_TIMER: balloon_create_timer(); break; + case BALLOON_SHOW_TIMER: balloon_timer(); break; + } break; case WM_PAINT: