GUI scaling, edit controls vs combo boxes

mark_k · 03 June 2017, 22:15

WinUAE increases the height of edit controls (string gadgets in Amiga-speak) when the window height is large. [Text inside remains the same size, in the user-selected font.]

However, combo boxes (like edit controls but with a drop-down list) don't scale their height. They are positioned as if their height is being scaled though, so when the settings window is tall, they appear mis-aligned relative to the control label.

To fix that, can you set the height of combo boxes using the CB_SETITEMHEIGHT message? [The heights of the selection field and the list items can be set independently. I'm not sure whether or not it would be a good idea to also set the list item height larger to match the combo box height.]

Toni Wilen · 01 July 2017, 13:33

Done but I am not sure if it looks much better because text is not vertically centered (and I can't see any way to force it centered).

mark_k · 01 July 2017, 16:21

Hmm, looks like you'd have to mess with owner-drawn combo boxes to vertically centre text in the selection box. Probably way too much hassle just to centre the text. Maybe an "auto" setting for GUI font size could solve that. WinUAE would adjust the GUI font size according to the window size.

[Is the selection field text still positioned at the top if you use CB_SETITEMHEIGHT to set the height of list items (wParam = 0) to match the selection field height?]

Toni Wilen · 01 July 2017, 17:10

Quote:

Originally Posted by mark_k

Hmm, looks like you'd have to mess with owner-drawn combo boxes to vertically centre text in the selection box. Probably way too much hassle just to centre the text. Maybe an "auto" setting for GUI font size could solve that. WinUAE would adjust the GUI font size according to the window size.

Not going to do that. Customizing drawing can easily make weird side-effects depending on theme etc..

Font adjustment: maybe..

Quote:

[Is the selection field text still positioned at the top if you use CB_SETITEMHEIGHT to set the height of list items (wParam = 0) to match the selection field height?]

Yes. Text stays at the top.

03 June 2017, 22:15	#1
mark_k Registered User Join Date: Aug 2004 Location: Posts: 3,333	GUI scaling, edit controls vs combo boxes WinUAE increases the height of edit controls (string gadgets in Amiga-speak) when the window height is large. [Text inside remains the same size, in the user-selected font.] However, combo boxes (like edit controls but with a drop-down list) don't scale their height. They are positioned as if their height is being scaled though, so when the settings window is tall, they appear mis-aligned relative to the control label. To fix that, can you set the height of combo boxes using the CB_SETITEMHEIGHT message? [The heights of the selection field and the list items can be set independently. I'm not sure whether or not it would be a good idea to also set the list item height larger to match the combo box height.]

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01 July 2017, 13:33	#2
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,502	Done but I am not sure if it looks much better because text is not vertically centered (and I can't see any way to force it centered).

01 July 2017, 16:21	#3
mark_k Registered User Join Date: Aug 2004 Location: Posts: 3,333	Hmm, looks like you'd have to mess with owner-drawn combo boxes to vertically centre text in the selection box. Probably way too much hassle just to centre the text. Maybe an "auto" setting for GUI font size could solve that. WinUAE would adjust the GUI font size according to the window size. [Is the selection field text still positioned at the top if you use CB_SETITEMHEIGHT to set the height of list items (wParam = 0) to match the selection field height?]

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