TRibbon's large button's image is not centered...any ideas? easy to demonstrate at design-time.

Posted by X-Ray on Stack Overflow See other posts from Stack Overflow or by X-Ray
Published on 2009-11-20T01:53:02Z Indexed on 2010/05/25 9:51 UTC
Read the original article Hit count: 489

i'm using delphi 2009 (updates 1, 2, 3, 4). i'm seeing something quite peculiar. the image on the button is not centered in the button when i have a large button with a large glyph! rather than being centered, the left part of the glyph starts at the center of the button.

a clue is that when i:

  1. go into the action editor and select the action
  2. use the ImageIndex combobox in the object inspector, the list is empty (normally i'd see the available images in the combobox).

it seems as though there's an image width property i've failed to set or an imagelist not correctly configured. i've expected the glyph on a large button should be 32x32.

try the following:

  1. paste these components into an empty form
  2. add a 32x32 image to the image list
  3. set the Action1 imageindex to 0

you'll immediately see what i mean!

glyph is not centered!

can anyone tell me why it looks that way?

i find it interesting that the ribbon demo app doesn't show this problem. i even tried the same image.

thank you!

object ActionManager1: TActionManager
  ActionBars = <
    item
      Items = <
        item
          Action = Action1
          Caption = '&Action1'
          ImageIndex = 0
          CommandProperties.ButtonSize = bsLarge
        end>
      ActionBar = RibbonGroup1
    end>
  LargeDisabledImages = img3232
  LargeImages = img3232
  Left = 376
  Top = 184
  StyleName = 'Ribbon - Luna'
  object Action1: TAction
    Caption = 'Action1'
    ImageIndex = 0
  end
end
object Ribbon1: TRibbon
  Left = 0
  Top = 0
  Width = 693
  Height = 147
  ActionManager = ActionManager1
  Caption = 'Ribbon1'
  Tabs = <
    item
      Caption = 'RibbonPage1'
      Page = RibbonPage1
    end>
  ExplicitLeft = 232
  ExplicitTop = 80
  ExplicitWidth = 0
  DesignSize = (
    693
    147)
  StyleName = 'Ribbon - Luna'
  object RibbonPage1: TRibbonPage
    Left = 0
    Top = 54
    Width = 692
    Height = 93
    Caption = 'RibbonPage1'
    Index = 0
    object RibbonGroup1: TRibbonGroup
      Left = 4
      Top = 3
      Width = 54
      Height = 86
      ActionManager = ActionManager1
      Caption = 'RibbonGroup1'
      GroupIndex = 0
    end
  end
end
object img3232: TImageList
  Height = 32
  Width = 32
  Left = 376
  Top = 256
end

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