| Код |
Как сделать Balloon Tooltips
--------------------------------------------------------------------------------
Автор: http://www.swissdelphicenter.ch
uses
Commctrl;
procedure ShowBalloonTip(Control: TWinControl; Icon: integer; Title: pchar;
Text: PWideChar;
BackCL, TextCL: TColor);
const
TOOLTIPS_CLASS = 'tooltips_class32';
TTS_ALWAYSTIP = $01;
TTS_NOPREFIX = $02;
TTS_BALLOON = $40;
TTF_SUBCLASS = $0010;
TTF_TRANSPARENT = $0100;
TTF_CENTERTIP = $0002;
TTM_ADDTOOL = $0400 + 50;
TTM_SETTITLE = (WM_USER + 32);
ICC_WIN95_CLASSES = $000000FF;
type
TOOLINFO = packed record
cbSize: Integer;
uFlags: Integer;
hwnd: THandle;
uId: Integer;
rect: TRect;
hinst: THandle;
lpszText: PWideChar;
lParam: Integer;
end;
var
hWndTip: THandle;
ti: TOOLINFO;
hWnd: THandle;
begin
hWnd := Control.Handle;
hWndTip := CreateWindow(TOOLTIPS_CLASS, nil,
WS_POPUP or TTS_NOPREFIX or TTS_BALLOON or TTS_ALWAYSTIP,
0, 0, 0, 0, hWnd, 0, HInstance, nil);
if hWndTip <> 0 then
begin
SetWindowPos(hWndTip, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOACTIVATE or SWP_NOMOVE or SWP_NOSIZE);
ti.cbSize := SizeOf(ti);
ti.uFlags := TTF_CENTERTIP or TTF_TRANSPARENT or TTF_SUBCLASS;
ti.hwnd := hWnd;
ti.lpszText := Text;
Windows.GetClientRect(hWnd, ti.rect);
SendMessage(hWndTip, TTM_SETTIPBKCOLOR, BackCL, 0);
SendMessage(hWndTip, TTM_SETTIPTEXTCOLOR, TextCL, 0);
SendMessage(hWndTip, TTM_ADDTOOL, 1, Integer(@ti));
SendMessage(hWndTip, TTM_SETTITLE, Icon mod 4, Integer(Title));
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
ShowBalloonTip(Button1, 1, 'Title',
'Balloon tooltip,http://kingron.myetang.com; updated by Calin', clBlue,
clNavy);
end;
|
| Код |
{....}
uses Commctrl;
{....}
const
TTS_BALLOON = $40;
TTM_SETTITLE = (WM_USER + 32);
var
hTooltip: Cardinal;
ti: TToolInfo;
buffer: array[0..255] of char;
{....}
procedure CreateToolTips(hWnd: Cardinal);
begin
hToolTip := CreateWindowEx(0, 'Tooltips_Class32', nil, TTS_ALWAYSTIP or
TTS_BALLOON,
Integer(CW_USEDEFAULT), Integer(CW_USEDEFAULT), Integer(CW_USEDEFAULT),
Integer(CW_USEDEFAULT), hWnd, 0, hInstance, nil);
if hToolTip <> 0 then
begin
SetWindowPos(hToolTip, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE or
SWP_NOSIZE or SWP_NOACTIVATE);
ti.cbSize := SizeOf(TToolInfo);
ti.uFlags := TTF_SUBCLASS;
ti.hInst := hInstance;
end;
end;
procedure AddToolTip(hwnd: DWORD; lpti: PToolInfo; IconType: Integer;
Text, Title: PChar);
var
Item: THandle;
Rect: TRect;
begin
Item := hWnd;
if (Item <> 0) and (GetClientRect(Item, Rect)) then
begin
lpti.hwnd := Item;
lpti.Rect := Rect;
lpti.lpszText := Text;
SendMessage(hToolTip, TTM_ADDTOOL, 0, Integer(lpti));
FillChar(buffer, SizeOf(buffer), #0);
lstrcpy(buffer, Title);
if (IconType > 3) or (IconType < 0) then
IconType := 0;
SendMessage(hToolTip, TTM_SETTITLE, IconType, Integer(@buffer));
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
CreateToolTips(Form1.Handle);
AddToolTip(Memo1.Handle, @ti, 1, 'Tooltip text', 'Title');
end;
{
IconType can be:
0 - No icon
1 - Information
2 - Warning
3 - Error
}
|
взято из DelphiWorld |