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explorer: Add support for displaying system tray notification balloons in desktop mode.

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This commit is contained in:
Alexandre Julliard 2010-12-15 17:16:52 +01:00
parent d2e047612c
commit ed3ac5f4d6
1 changed files with 122 additions and 10 deletions
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132
programs/explorer/systray.c
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@ -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: