Solved Thunderbird Tweak needed


thecaretaker

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Is there any way to increase the size of the area shown in the image below highlighted in yellow? Compared to the huge main area at the top with the big red 'X' to close Thunderbird, when I view an email, the top area of the email is tiny.

I have tried changing the font size in Thunderbird but it doesn't alter that area, my PC is already on 175% scaling which is fine for everything else and I have tried using different themes but they are all the same.

I'm currently on the latest version 115.9.0 (64-bit) of Thunderbird. Any Thunderbird guru know any tweak how I can adjust this area?

Screenshot 2024-04-13 034604.png
 

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  • OS
    Windows 11 Pro Version 23H2 OS Build 22631.3374
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    Local shop built (KC Computers Ltd)
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    Intel Core i9 13900F
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    Gigabyte Z690 Gaming X (rev. 1.0/1.1) - (BIOS: F29 Dec 22, 2023)
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The size of my Windows controls icons in the main app and in an open message are the same size, so there is some custom setting at work with your TB install. It looks like you have made some customizations in the appearance of TB so maybe you made some change that needs to be undone.

Try setting up and switching to a different Profile and see if that makes the sizes the same. If it does then that may help is tracking it down, or configure the new Profile to be your active one.
 

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    Windows 11
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@thecaretaker
That yellow highlighted item is a Window Titlebar and its height/font-size is governed by Windows. It normally behaves according to your Windows System settings.

The big red "X" icon you mention is larger as it is rendered by Thunderbird (and not Windows) because you have hidden the System Toolbar in the main T-bird Window. However, the "Hide System Window Titlebar" setting in Thunderbird only works on the main T-bird Window, and currently doesn't appear to work in any new Windows spawned from it (such as Writing Emails or reading emails in new Windows etc) , so those new Windows still get the standard Windows Titlebar.

So it is not possible to change the size of that "yellow area" in isolation. The only way to change it is to do it globally for all Windows, using eg. one of the Tutorials or one of the WinTools applications.
 

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    Windows 11 23H2
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    custom
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    intel i7-8700 (non-K)
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    Asus Z370 TUF Gaming
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    On-board Realtek
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The only way to change it is to do it globally for all Windows, using eg. one of the Tutorials or one of the WinTools applications.
What he said! 👆

(It'll change all Windows Title Bars, though!)

0006784.jpg

0006785.jpg
 

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    PC/Desktop
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    ASUS ROG Strix
  • Operating System
    Windows 11
    Computer type
    Laptop
    Manufacturer/Model
    ASUS VivoBook
OK, thanks. I've had a play. The advanced System Font Changer app changed everything to 16pt. It was originally 9pt but It wouldn't let me change it, kept defaulting to 16pt. Thankfully I made a Macrium backup before playing. I also tried various reg tweaks, but none of them seemed to work. I did find some reg files on MajorGeeks but they didn't work either. And yes, I rebooted after altering the registry.

Thunderbird seems to be the only title bar that seems so narrow. And no, I've not done any tweaking to Thunderbird. It must be due to the 3840x2160 screen display resolution.

Guess it is something Ill have to live with. Thanks for the suggestions folks.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 23H2 OS Build 22631.3374
    Computer type
    PC/Desktop
    Manufacturer/Model
    Local shop built (KC Computers Ltd)
    CPU
    Intel Core i9 13900F
    Motherboard
    Gigabyte Z690 Gaming X (rev. 1.0/1.1) - (BIOS: F29 Dec 22, 2023)
    Memory
    2 x Kingston Fury 32gb DDR5 5600 Beast
    Graphics Card(s)
    Gigabyte Eagle (Nvidia) RTX 3060
    Sound Card
    Chord Async USB 44.1kHz - 384kHz 2Qute DAC
    Monitor(s) Displays
    piXL PX27UDH4K 27 Inch Frameless IPS Monitor
    Screen Resolution
    4K (3840 x 2160) 60fps
    Hard Drives
    1 x KINGSTON NVMe M.2 SSDSKC3000D2048G 2TB
    1 x Samsung SSD 870 EVO 250GB
    2 x Crucial CT4000MX500SSD1 4TB
    2 x Crucial CT2000MX500SSD1 2TB
    1 x Crucial CT250MX500SSD1 250.0 GB
    PSU
    Gigabyte 750w
    Case
    Fractal Torrent
    Cooling
    Stock Intel CPU, 2 x Fractal 180mm PWM (front), 3 x Fractal 140mm PWM (bottom)
    Keyboard
    Logitech MX Mechanical Wireless Illuminated Performance Keyboard
    Mouse
    Logitech MX Master 3S Wireless Performance Mouse
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    960 Mbps/330 Mbps Trooli FTTP
    Browser
    Firefox
    Antivirus
    Eset Nod32
I found the fix thanks to another post on this great forum.

I changed the following reg entry "CaptionHeight" from its default 334 to 534.

Code:
HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics

Screenshot 2024-04-23 002138.png

I'll mark this post as solved.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 23H2 OS Build 22631.3374
    Computer type
    PC/Desktop
    Manufacturer/Model
    Local shop built (KC Computers Ltd)
    CPU
    Intel Core i9 13900F
    Motherboard
    Gigabyte Z690 Gaming X (rev. 1.0/1.1) - (BIOS: F29 Dec 22, 2023)
    Memory
    2 x Kingston Fury 32gb DDR5 5600 Beast
    Graphics Card(s)
    Gigabyte Eagle (Nvidia) RTX 3060
    Sound Card
    Chord Async USB 44.1kHz - 384kHz 2Qute DAC
    Monitor(s) Displays
    piXL PX27UDH4K 27 Inch Frameless IPS Monitor
    Screen Resolution
    4K (3840 x 2160) 60fps
    Hard Drives
    1 x KINGSTON NVMe M.2 SSDSKC3000D2048G 2TB
    1 x Samsung SSD 870 EVO 250GB
    2 x Crucial CT4000MX500SSD1 4TB
    2 x Crucial CT2000MX500SSD1 2TB
    1 x Crucial CT250MX500SSD1 250.0 GB
    PSU
    Gigabyte 750w
    Case
    Fractal Torrent
    Cooling
    Stock Intel CPU, 2 x Fractal 180mm PWM (front), 3 x Fractal 140mm PWM (bottom)
    Keyboard
    Logitech MX Mechanical Wireless Illuminated Performance Keyboard
    Mouse
    Logitech MX Master 3S Wireless Performance Mouse
    Internet Speed
    960 Mbps/330 Mbps Trooli FTTP
    Browser
    Firefox
    Antivirus
    Eset Nod32

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