alllow changing font weight for normal and bold text - fixes #3129, fixes #3400, fixes #5444, fixes #3045, fixes #6099

tabby-terminal/src/components/appearanceSettingsTab.component.pug

@@ -28,6 +28,30 @@ h3.mb-3(translate) Appearance
                 (ngModelChange)='config.save()',
             )
 
+        .form-line
+            .header
+                .title(translate) Normal font weight
+            input.form-control(
+                type='number',
+                min='100',
+                max='900',
+                step='100',
+                [(ngModel)]='config.store.terminal.fontWeight',
+                (ngModelChange)='config.save()'
+            )
+
+        .form-line
+            .header
+                .title(translate) Bold font weight
+            input.form-control(
+                type='number',
+                min='100',
+                max='900',
+                step='100',
+                [(ngModel)]='config.store.terminal.fontWeightBold',
+                (ngModelChange)='config.save()'
+            )
+
     .col-12.col-md-6
         color-scheme-preview([scheme]='config.store.terminal.colorScheme', [fontPreview]='true')
 

tabby-terminal/src/components/colorSchemePreview.component.pug

@@ -1,6 +1,7 @@
 .preview(
     [style.font-family]='getPreviewFontFamily()',
     [style.font-size]='(fontPreview ? config.store.terminal.fontSize : 11) + "px"',
+    [style.font-weight]='config.store.terminal.fontWeight',
     [style.background-color]='scheme.background',
     [style.color]='scheme.foreground',
     [style.font-feature-settings]='\'"liga" \' + config.store.terminal.ligatures ? 1 : 0',
@@ -10,21 +11,38 @@
         span([style.color]='scheme.colors[2]') john
         span([style.color]='scheme.colors[6]') @
         span([style.color]='scheme.colors[4]') doe-pc
-        strong([style.color]='scheme.colors[1]') $
+        strong(
+            [style.color]='scheme.colors[1]',
+            [style.font-weight]='config.store.terminal.fontWeightBold'
+        ) $
         span  ls
         span([style.background-color]='scheme.cursor')  
     div
         span -rwxr-xr-x  1 root
-        strong([style.color]='scheme.colors[3]')  Documents
+        strong(
+            [style.color]='scheme.colors[3]',
+            [style.font-weight]='config.store.terminal.fontWeightBold'
+        )  Documents
     div
         span -rwxr-xr-x  1 root 
-        strong([style.color]='scheme.colors[0]', [style.background]='scheme.colors[2]') Downloads
+        strong(
+            [style.color]='scheme.colors[0]',
+            [style.background]='scheme.colors[2]',
+            [style.font-weight]='config.store.terminal.fontWeightBold'
+        ) Downloads
     div
         span -rwxr-xr-x  1 root 
-        strong([style.color]='scheme.colors[0]', [style.background]='scheme.colors[8]') Pictures
+        strong(
+            [style.color]='scheme.colors[0]',
+            [style.background]='scheme.colors[8]',
+            [style.font-weight]='config.store.terminal.fontWeightBold'
+        ) Pictures
     div
         span -rwxr-xr-x  1 root
-        strong([style.color]='scheme.colors[12]')  Music
+        strong(
+            [style.color]='scheme.colors[12]',
+            [style.font-weight]='config.store.terminal.fontWeightBold'
+        )  Music
     div(*ngIf='fontPreview')
         span -rwxr-xr-x  1 root
         span([style.color]='scheme.colors[2]')  実行可能ファイル
@@ -35,7 +53,9 @@
         span([style.color]='scheme.colors[1]')  link
     div(*ngIf='fontPreview')
         span
-            strong Icons:
+            strong(
+                [style.font-weight]='config.store.terminal.fontWeightBold'
+            ) Icons:
             span    
         span
             span   

tabby-terminal/src/config.ts

@@ -10,6 +10,8 @@ export class TerminalConfigProvider extends ConfigProvider {
         terminal: {
             frontend: 'xterm',
             fontSize: 14,
+            fontWeight: 400,
+            fontWeightBold: 700,
             fallbackFont: null,
             linePadding: 0,
             bell: 'off',