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NAME ^

Win32::GUI::Tooltip - Create and manipulate Tooltip controls

DESCRIPTION ^

Tooltip controls are probably one of the most unintuitave of the Win32 controls when you first come accross them. A Tooltip control is a single window that supports one or more 'tools'. A tool is a window, or an area of a window that when the mouse hovers over, the tooltip window is displayed. The Tooltip is always a top level window (so don't try adding the WS_CHILD window style), and is typically owned by the top level window of your application/dialog.

Create a tooltip window:

  my $tt = Win32::GUI::Tooltip->new(
    $main_window,
  );

Add a tool to the tooltip:

  $tt->AddTool(
    -window => $main_window,
    -text   => "Text that pops up",
  );

and hover the mouse over an area of your main window.

METHODS ^

Common methods apply to most windows, controls and resources.

new

new(PARENT, %OPTIONS)

Creates a new Tooltip object. Can also be called as PARENT->AddTooltip(%OPTIONS).

Class specific %OPTIONS are:

  -alwaystip => 0/1 (default: 1)
     Show the tooltip, even if the window is not active.
  -noprefix  => 0/1 (default: 0)
     Prevent the tooltip control stripping '&' prefixes
  -noanimate => 0/1 (default: 0)
     Turn off tooltip window animation
  -nofade    => 0/1 (default: 0)
     Turn off tooltip window fading effect
  -balloon   => 0/1 (default: 0)
     Give the tooltip window 'balloon' style

See also the common options.

Activate

Activate([FLAG=TRUE])

Activates or deactivates a tooltip control. A deactivated tooltip does not show it's window when the mouse hovers over a tool.

Add

Add(@OPTIONS)

See AddTool()

AddTool

AddTool(@OPTIONS)

Registers a tool with a Tooltip. When the house hovers over a tool, the tooltip window is displayed. A tool is identified either by a window (handle) alone, or by a window (handle) and an application defined id. If identified by a window (handle) alone, then the associated area for the mouse to hover is the whole client area of the window, and adjusts automatically if the window changes size. Otherwise the rect is fixed, as provided by the -rect options (in client co-ordinates of the window it is associated with) and must be adjusted manually if necessary - See NewToolRect().

@OPTIONS:

 -window => HANDLE (default: owner window of tooltip control)
    Window object or window handle for the tool.
 -id => ID
    application set ID for the tool.

 -rect => [LEFT,TOP,RIGHT,BOTTOM] (defult: client rect of -window)
    Area of the tool (ignored unless ID is provided)
 -text   => STRING or ID
   String containd the Tool text, or a resource ID (see -hinst)
 -hinst  => HINSTANCE
   If -text contains a resource ID, then -hinst gives the instance
   handle from which the string resource is loaded.  Ignored otherwise.
 -needtext => 0/1 (default: 0)
    Use NeedText Event. Don't mix this and -text.

 -flags  => FLAGS
    Set of TTF_ bit flags.  Better set using these options:
      -absolute => 0/1 (default: 0)
         Use with -track.  Position the window at the co_ordinates
         set using the TrackPosition() method.
      -centertip => 0/1 (default: 0)
         Center the window below the tool.
      -idishwnd => 0/1 (default: 0 if -id used, 1 otherwise)
         indicates that the tool applies to the whole window.
      -rtlreading => 0/1 (default: 0)
         indicates that text will be rendered in the opposite direction
         to text in the parent window
      -subclass => 0/1 (default: 0 if -track is used, 1 otherwise)
         the tooltip control will arrange to get mouse messages from the
         winodw containing the tool automatically.  If this option is not
         set then the application must relay mouse messages itself.
      -track => 0/1 (default: 0)
         Positions the ToolTip window next to the tool to which it
         corresponds and moves the window according to coordinates
         supplied by the TrackPosition() method. You must activate
         this type of tool using the TrackActivate() method.
      -transparent => 0/1 (default: 0)
         Causes the ToolTip control to forward mouse event messages to the
         parent window. This is limited to mouse events that occur within
         the bounds of the ToolTip window.

Returns true on success, false on failure.

AdjustRect

AdjustRect(LEFT, TOP, RIGHT, BOTTOM, [LARGER=1])

Adjust either a wanted text rect to a window rect (if LARGER = 1) or a window rect to a text rect (if LARGER = 0).

LEFT, TOP, RIGHT, BOTTOM identify the corners to the rect to convert.

LARGER identifies whether the provided rect is a text rect (to be made larger) if true, or a window rect otherwise.

Returns a 4-element list containing the adjusted left, top, right and bottom co-ordinates of the window on success, or an empty list on failure.

Count

Count()

Returns the number of tools in the Tooltip.

Del

Del(TOOL)

See DelTool()

DelTool

DelTool(TOOL)

Removes a tool from a Tooltip.

TOOL identifies the tool to use to calculate the window size. TOOL may be one of the following:

  ID           - only for backwards compatibility with Win32::GUI v1.03
                 and earlier. A tool id identifying a tool that occupies
                 part of a window. The associated window defaults to the
                 owner window of the tooltip control, as for the default
                 for the -window option of the AddTool() method.
                 See L<AddTool()|Win32::GUI::Tooltip/AddTool>.
  WINDOW       - a window object or window handle, identifying a tool
                 that occupies the whole window.
  [WINDOW]     - an array reference containing a window object or window
                 handle, identifying a tool that occupies the whole
                 window.
  [WINDOW, ID] - an array reference containing a window object or window
                 handle and a tool id, identifying a tool that occupies
                 part of a window.

WINDOW and/or ID are the values used for the -window and/or <-id> options used with the AddTool() method. See AddTool().

EnumTools

EnumTools(ENUM_ID, [BUFSIZE=0])

Retrieves the information for a tool in a tooltip control, identified by an enumerated number ENUM_ID, starting at 0.

Returns a list of options and values on success, or an empty list on failure (if ENUM_ID > GetToolCount()-1). For details of the possible options see AddTool().

BUFSIZE sets the size of the buffer for retrieving the text associated with the tool. By default this is zero, and the text is not retrieved. As there is no way to automatically determine the size of the buffer required, this is a potential security hole, as the text may overrun the size of the buffer provided. Only use this if you really need to find out the text, and are prepared to live with the consequences.

Example:

   my $tt = Win32::GUI::Tooltip->new( ... );
   ....
   require Data::Dump;
   my $i=0;
   while(my %h = $tt->EnumTools($i)) {
     print "TOOL:$i\n";
     print Data::Dump::dump(\%h), "\n";
     ++$i;
   }
   my $j = $tt->GetToolCount()-1;

Or:

   for my $k (0 .. $j) {
     my %h = $tt->EnumTools($k);
     print "TOOL:$k\n";
     print Data::Dump::dump(\%h), "\n";
   }

GetBubbleSize

GetBubbleSize(TOOL)

Retrieves the width and height of a tooltip control for a given tool.

TOOL identifies the tool to use to calculate the window size. TOOL may be one of the following:

  ID           - only for backwards compatibility with Win32::GUI v1.03
                 and earlier. A tool id identifying a tool that occupies
                 part of a window. The associated window defaults to the
                 owner window of the tooltip control, as for the default
                 for the -window option of the AddTool() method.
                 See L<AddTool()|Win32::GUI::Tooltip/AddTool>.
  WINDOW       - a window object or window handle, identifying a tool
                 that occupies the whole window.
  [WINDOW]     - an array reference containing a window object or window
                 handle, identifying a tool that occupies the whole
                 window.
  [WINDOW, ID] - an array reference containing a window object or window
                 handle and a tool id, identifying a tool that occupies
                 part of a window.

WINDOW and/or ID are the values used for the -window and/or <-id> options used with the AddTool() method. See AddTool().

Returns a 2-element list containing the width and height of the tooltip window on success, or an empty list on failure.

GetCurrentTool

GetCurrentTool([BUFSIZE=0])

Retrieves the information for the current tool (the one being displayed) in a tooltip control.

Returns a list of options and values on success, or an empty list on failure (if there is no current tool). For details of the possible options see AddTool().

BUFSIZE sets the size of the buffer for retrieving the text associated with the tool. By default this is zero, and the text is not retrieved. As there is no way to automatically determine the size of the buffer required, this is a potential security hole, as the text may overrun the size of the buffer provided. Only use this if you really need to find out the text, and are prepared to live with the consequences.

GetDelayTime

GetDelayTime([FLAG=TTDT_INITIAL])

Retrieves the initial, pop-up, and reshow durations currently set for a tooltip control.

FLAG : Which duration value to retrieve.

  TTDT_RESHOW  = 1 : Length of time it takes for subsequent tooltip
                     windows to appear as the pointer moves from one
                     tool to another.
  TTDT_AUTOPOP = 2 : Length of time the tooltip window remains visible
                     if the pointer is stationary within a tool's
                     bounding rectangle.
  TTDT_INITIAL = 3 : Length of time the pointer must remain stationary
                     within a tool's bounding rectangle before the
                     tooltip window appears.

Return value is the requested duration in milliseconds.

GetMargin

GetMargin()

Retrieves the top, left, bottom, and right margins set for a tooltip window. A margin is the distance, in pixels, between the tooltip window border and the text contained within the tooltip window.

Returns a 4-element list containing the left, top, right and bottom marign values in pixels.

GetMaxTipWidth

GetMaxTipWidth()

Retrieves the maximum width for a tooltip window.

Returns the maximum width in pixels, or -1 if no maximum width has been set.

GetText

GetText(TOOL, [BUFSIZE=0])

Retrieves the text associated with a tool.

TOOL identifies the tool whose text is retrieved. TOOL may be one of the following:

  ID           - only for backwards compatibility with Win32::GUI v1.03
                 and earlier. A tool id identifying a tool that occupies
                 part of a window. The associated window defaults to the
                 owner window of the tooltip control, as for the default
                 for the -window option of the AddTool() method.
                 See L<AddTool()|Win32::GUI::Tooltip/AddTool>.
  WINDOW       - a window object or window handle, identifying a tool
                 that occupies the whole window.
  [WINDOW]     - an array reference containing a window object or window
                 handle, identifying a tool that occupies the whole
                 window.
  [WINDOW, ID] - an array reference containing a window object or window
                 handle and a tool id, identifying a tool that occupies
                 part of a window.

WINDOW and/or ID are the values used for the -window and/or <-id> options used with the AddTool() method. See AddTool().

BUFSIZE sets the size of the buffer for retrieving the text associated with the tool. By default this is zero, and the text is not retrieved. As there is no way to automatically determine the size of the buffer required, this is a potential security hole, as the text may overrun the size of the buffer provided. Only use this if you really need to find out the text, and are prepared to live with the consequences. Returns the text associated with the tooltip (if any, and BUFSIZE > 0), otherwise FALSE.

GetTipBkColor

GetTipBkColor()

Retrieves the background color in a tooltip window.

GetTipTextColor

GetTipTextColor()

Retrieves the text color in a tooltip window.

GetToolCount

GetToolCount()

See Count()

GetToolInfo

GetToolInfo(TOOL, [BUFSIZE=0])

Retrieves the information that a tooltip control maintains about a tool.

TOOL identifies the tool whose info is retrieved. TOOL may be one of the following:

  ID           - only for backwards compatibility with Win32::GUI v1.03
                 and earlier. A tool id identifying a tool that occupies
                 part of a window. The associated window defaults to the
                 owner window of the tooltip control, as for the default
                 for the -window option of the AddTool() method.
                 See L<AddTool()|Win32::GUI::Tooltip/AddTool>.
  WINDOW       - a window object or window handle, identifying a tool
                 that occupies the whole window.
  [WINDOW]     - an array reference containing a window object or window
                 handle, identifying a tool that occupies the whole
                 window.
  [WINDOW, ID] - an array reference containing a window object or window
                 handle and a tool id, identifying a tool that occupies
                 part of a window.

WINDOW and/or ID are the values used for the -window and/or <-id> options used with the AddTool() method. See AddTool().

BUFSIZE sets the size of the buffer for retrieving the text associated with the tool. By default this is zero, and the text is not retrieved. As there is no way to automatically determine the size of the buffer required, this is a potential security hole, as the text may overrun the size of the buffer provided. Only use this if you really need to find out the text, and are prepared to live with the consequences.

Returns a list of options and values on success, or an empty list on failure. For details of the possible options see AddTool().

HitTest

HitTest(WINDOW, X, Y, [BUFSIZE=0])

Retrieves the information about the tool at X,Y in window WINDOW

X and Y are in client co-ordinates of the WINDOW. WINDOW is a window object or window handle

BUFSIZE sets the size of the buffer for retrieving the text associated with the tool. By default this is zero, and the text is not retrieved. As there is no way to automatically determine the size of the buffer required, this is a potential security hole, as the text may overrun the size of the buffer provided. Only use this if you really need to find out the text, and are prepared to live with the consequences.

Returns a list of options and values on success, or an empty list on failure (no tool at X,Y). For details of the possible options see AddTool().

NewToolRect

NewToolRect(TOOL, LEFT, TOP, RIGHT, BOTTOM)

Sets a new bounding rectangle for a tool.

TOOL identifies the tool to use to calculate the window size. TOOL may be one of the following:

  ID           - only for backwards compatibility with Win32::GUI v1.03
                 and earlier. A tool id identifying a tool that occupies
                 part of a window. The associated window defaults to the
                 owner window of the tooltip control, as for the default
                 for the -window option of the AddTool() method.
                 See L<AddTool()|Win32::GUI::Tooltip/AddTool>.
  WINDOW       - a window object or window handle, identifying a tool
                 that occupies the whole window.
  [WINDOW]     - an array reference containing a window object or window
                 handle, identifying a tool that occupies the whole
                 window.
  [WINDOW, ID] - an array reference containing a window object or window
                 handle and a tool id, identifying a tool that occupies
                 part of a window.

WINDOW and/or ID are the values used for the -window and/or <-id> options used with the AddTool() method. See AddTool().

LEFT,TOP,RIGHT,BOTTOM identifies the new tool rect.

Pop

Pop()

Removes a displayed tooltip window from view.

SetDelayTime

SetDelayTime(TIME,[FLAG=TTDT_INITIAL])

Sets the initial, pop-up, and reshow durations for a tooltip control.

FLAG :

  TTDT_RESHOW    = 1 : Length of time it takes for subsequent tooltip
                       windows to appear as the pointer moves from one
                       tool to another. To reset the reshow duration to
                       it's default value set TIME to -1.
  TTDT_AUTOPOP   = 2 : Length of time the tooltip window remains visible
                       if the pointer is stationary within a tool's
                       bounding rectangle. To reset the pop-up duration to
                       it's default value set TIME to -1.
  TTDT_INITIAL   = 3 : Length of time the pointer must remain stationary
                       within a tool's bounding rectangle before the
                       tooltip window appears. To reset the initial duration
                       to it's default value set TIME to -1.
  TTDT_AUTOMATIC = 0 : Set all three delay times to default proportions. The
                       autopop time will be ten times the initial time and
                       the reshow time will be one fifth the initial time. If
                       this flag is set, use a positive value of TIME to
                       specify the initial time, in milliseconds. Set TIME to
                       a negative value to return all three delay times to
                       their default values.

SetMargin

SetMargin(LEFT, TOP, RIGHT, BOTTOM)

Sets the left, top, right, and bottom margins for a tooltip window. A margin is the distance, in pixels, between the tooltip window border and the text contained within the tooltip window.

SetMaxTipWidth

SetMaxTipWidth(WIDTH)

Sets the maximum width for a tooltip window.

The maximum ToolTip width value does not indicate a ToolTip window's actual width. Rather, if a ToolTip string exceeds the maximum width, the control breaks the text into multiple lines, using spaces to determine line breaks. If the text cannot be segmented into multiple lines, it will be displayed on a single line. The length of this line may exceed the maximum ToolTip width.

Returns the previous maximum width (-1 if no previous maximum width has been set)

SetTipBkColor

SetTipBkColor(COLOR)

Sets the background color in a tooltip window.

SetTipTextColor

SetTipTextColor(COLOR)

Sets the text color in a tooltip window.

SetTitle

SetTitle(TITLE, [ICON])

Sets the title and icon for a balloon tooltip.

Allowed values for ICON are: error, info, warning, none. Defaults to 'none'.

Returns a true value on success, a false value on failure

SetToolInfo

SetToolInfo(@OPTIONS)

Sets the information that a tooltip control maintains for a tool.

@OPTIONS: See Add().

Some internal properties of a tool are established when the tool is created, and are not recomputed when the SetToolInfo() method is used. If you simply using SetToolInfo(), setting the required values these properties may be lost. Instead, your application should first request the tool's current properties using the GetToolInfo() method, then, modify the options as needed and pass them back to the ToolTip control with SetToolInfo().

TrackActivate

TrackActivate(TOOL, [FLAG=1])

Activates or deactivates a tracking tooltip. See AddTool(), -track option.

TOOL identifies the tool to use to calculate the window size. TOOL may be one of the following:

  ID           - only for backwards compatibility with Win32::GUI v1.03
                 and earlier. A tool id identifying a tool that occupies
                 part of a window. The associated window defaults to the
                 owner window of the tooltip control, as for the default
                 for the -window option of the AddTool() method.
                 See L<AddTool()|Win32::GUI::Tooltip/AddTool>.
  WINDOW       - a window object or window handle, identifying a tool
                 that occupies the whole window.
  [WINDOW]     - an array reference containing a window object or window
                 handle, identifying a tool that occupies the whole
                 window.
  [WINDOW, ID] - an array reference containing a window object or window
                 handle and a tool id, identifying a tool that occupies
                 part of a window.

WINDOW and/or ID are the values used for the -window and/or <-id> options used with the AddTool() method. See AddTool().

FLAG identifies whether tracking is activated (1) or deactivated (0)

TrackPosition

TrackPosition(X,Y)

Sets the position of a tracking tooltip. X and Y are in screen co-ordinates. See AddTool(), -track and -absolute options.

Update

Update()

Forces the current tool to be redrawn.

UpdateTipText

UpdateTipText(TOOL, STRING_OR_RESID, [HINSTANCE=NULL])

Sets the tooltip text for a tool.

TOOL identifies the tool whose text is set. TOOL may be one of the following:

  ID           - only for backwards compatibility with Win32::GUI v1.03
                 and earlier. A tool id identifying a tool that occupies
                 part of a window. The associated window defaults to the
                 owner window of the tooltip control, as for the default
                 for the -window option of the AddTool() method.
                 See L<AddTool()|Win32::GUI::Tooltip/AddTool>.
  WINDOW       - a window object or window handle, identifying a tool
                 that occupies the whole window.
  [WINDOW]     - an array reference containing a window object or window
                 handle, identifying a tool that occupies the whole
                 window.
  [WINDOW, ID] - an array reference containing a window object or window
                 handle and a tool id, identifying a tool that occupies
                 part of a window.

WINDOW and/or ID are the values used for the -window and/or <-id> options used with the AddTool() method. See AddTool().

EVENTS ^

Common events apply to most windows and controls.

NeedText

NeedText(TOOL,FLAG)

Sent when a tooltip window needs to get the text for a tool created with -needtext => 1.

TOOL is the identifier of the tool: it is the window handle of the tool if FLAG is TRUE, otherwise it is the tool ID.

Return a string from the event handler containing the text to be displayed.

Pop

Pop(TOOL,FLAG)

Sent whenever a tooltip window has just been hidden

TOOL is the identifier of the tool: it is the window handle of the tool if FLAG is TRUE, otherwise it is the tool ID.

Show

Show(TOOL,FLAG)

Sent whenever a tooltip window is just about to be displayed

TOOL is the identifier of the tool: it is the window handle of the tool if FLAG is TRUE, otherwise it is the tool ID.

VERSION ^

Documentation for Win32::GUI v1.11 created 08 Nov 2014

This document is autogenerated by the build process. Edits made here will be lost. Edit docs/per_package.tpl instead.

SUPPORT ^

Homepage: http://perl-win32-gui.sourceforge.net/.

For further support join the users mailing list from the website at http://lists.sourceforge.net/lists/listinfo/perl-win32-gui-users. There is a searchable list archive at http://sourceforge.net/p/perl-win32-gui/mailman/perl-win32-gui-users/.

COPYRIGHT and LICENCE ^

Copyright (c) 1997..2014 Aldo Calpini. All rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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