Polish Theme Dialog (#1356)

packages/cli/src/ui/components/Header.tsx

@@ -30,9 +30,15 @@ export const Header: React.FC<HeaderProps> = ({
       terminalWidth >= widthOfLongLogo ? longAsciiLogo : shortAsciiLogo;
   }
 
+  const artWidth = getAsciiArtWidth(displayTitle);
+
   return (
-    <>
+    <Box
-      <Box marginBottom={1} alignItems="flex-start">
+      marginBottom={1}
+      alignItems="flex-start"
+      width={artWidth}
+      flexShrink={0}
+    >
       {Colors.GradientColors ? (
         <Gradient colors={Colors.GradientColors}>
           <Text>{displayTitle}</Text>
@@ -41,6 +47,5 @@ export const Header: React.FC<HeaderProps> = ({
         <Text>{displayTitle}</Text>
       )}
     </Box>
-    </>
   );
 };

packages/cli/src/ui/components/ThemeDialog.tsx

@@ -115,29 +115,72 @@ export function ThemeDialog({
     1,
   );
 
+  const DAILOG_PADDING = 2;
+  const selectThemeHeight = themeItems.length + 1;
+  const SCOPE_SELECTION_HEIGHT = 4; // Height for the scope selection section + margin.
+  const SPACE_BETWEEN_THEME_SELECTION_AND_APPLY_TO = 1;
+  const TAB_TO_SELECT_HEIGHT = 2;
+  availableTerminalHeight = availableTerminalHeight ?? Number.MAX_SAFE_INTEGER;
+  availableTerminalHeight -= 2; // Top and bottom borders.
+  availableTerminalHeight -= TAB_TO_SELECT_HEIGHT;
+
+  let totalLeftHandSideHeight =
+    DAILOG_PADDING +
+    selectThemeHeight +
+    SCOPE_SELECTION_HEIGHT +
+    SPACE_BETWEEN_THEME_SELECTION_AND_APPLY_TO;
+
+  let showScopeSelection = true;
+  let includePadding = true;
+
+  // Remove content from the LHS that can be ommitted if it exceeds the available height.
+  if (totalLeftHandSideHeight > availableTerminalHeight) {
+    includePadding = false;
+    totalLeftHandSideHeight -= DAILOG_PADDING;
+  }
+
+  if (totalLeftHandSideHeight > availableTerminalHeight) {
+    // First, try hiding the scope selection
+    totalLeftHandSideHeight -= SCOPE_SELECTION_HEIGHT;
+    showScopeSelection = false;
+  }
+
+  // Don't focus the scope selection if it is hidden due to height constraints.
+  const currenFocusedSection = !showScopeSelection ? 'theme' : focusedSection;
+
   // Vertical space taken by elements other than the two code blocks in the preview pane.
-  // Includes "Preview" title, borders, padding, and margin between blocks.
+  // Includes "Preview" title, borders, and margin between blocks.
-  const PREVIEW_PANE_FIXED_VERTICAL_SPACE = 7;
+  const PREVIEW_PANE_FIXED_VERTICAL_SPACE = 8;
-  const availableTerminalHeightCodeBlock = availableTerminalHeight
+
-    ? Math.max(
+  // The right column doesn't need to ever be shorter than the left column.
-        Math.floor(
+  availableTerminalHeight = Math.max(
-          (availableTerminalHeight - PREVIEW_PANE_FIXED_VERTICAL_SPACE) / 2,
+    availableTerminalHeight,
-        ),
+    totalLeftHandSideHeight,
-        2,
+  );
-      )
+  const availableTerminalHeightCodeBlock =
-    : undefined;
+    availableTerminalHeight -
+    PREVIEW_PANE_FIXED_VERTICAL_SPACE -
+    (includePadding ? 2 : 0) * 2;
+  // Give slightly more space to the code block as it is 3 lines longer.
+  const diffHeight = Math.floor(availableTerminalHeightCodeBlock / 2) - 1;
+  const codeBlockHeight = Math.ceil(availableTerminalHeightCodeBlock / 2) + 1;
+
   return (
     <Box
       borderStyle="round"
       borderColor={Colors.Gray}
-      flexDirection="row"
+      flexDirection="column"
-      padding={1}
+      paddingTop={includePadding ? 1 : 0}
+      paddingBottom={includePadding ? 1 : 0}
+      paddingLeft={1}
+      paddingRight={1}
       width="100%"
     >
+      <Box flexDirection="row">
         {/* Left Column: Selection */}
         <Box flexDirection="column" width="45%" paddingRight={2}>
-        <Text bold={focusedSection === 'theme'}>
+          <Text bold={currenFocusedSection === 'theme'} wrap="truncate">
-          {focusedSection === 'theme' ? '> ' : '  '}Select Theme{' '}
+            {currenFocusedSection === 'theme' ? '> ' : '  '}Select Theme{' '}
             <Text color={Colors.Gray}>{otherScopeModifiedMessage}</Text>
           </Text>
           <RadioButtonSelect
@@ -146,28 +189,24 @@ export function ThemeDialog({
             initialIndex={initialThemeIndex}
             onSelect={handleThemeSelect}
             onHighlight={onHighlight}
-          isFocused={focusedSection === 'theme'}
+            isFocused={currenFocusedSection === 'theme'}
           />
 
           {/* Scope Selection */}
+          {showScopeSelection && (
             <Box marginTop={1} flexDirection="column">
-          <Text bold={focusedSection === 'scope'}>
+              <Text bold={currenFocusedSection === 'scope'} wrap="truncate">
-            {focusedSection === 'scope' ? '> ' : '  '}Apply To
+                {currenFocusedSection === 'scope' ? '> ' : '  '}Apply To
               </Text>
               <RadioButtonSelect
                 items={scopeItems}
                 initialIndex={0} // Default to User Settings
                 onSelect={handleScopeSelect}
                 onHighlight={handleScopeHighlight}
-            isFocused={focusedSection === 'scope'}
+                isFocused={currenFocusedSection === 'scope'}
               />
             </Box>
-
+          )}
-        <Box marginTop={1}>
-          <Text color={Colors.Gray}>
-            (Use Enter to select, Tab to change focus)
-          </Text>
-        </Box>
         </Box>
 
         {/* Right Column: Preview */}
@@ -176,34 +215,44 @@ export function ThemeDialog({
           <Box
             borderStyle="single"
             borderColor={Colors.Gray}
-          padding={1}
+            paddingTop={includePadding ? 1 : 0}
+            paddingBottom={includePadding ? 1 : 0}
+            paddingLeft={1}
+            paddingRight={1}
             flexDirection="column"
           >
             {colorizeCode(
               `# function
-def fibonacci(n):
+-def fibonacci(n):
-    a, b = 0, 1
+-    a, b = 0, 1
-    for _ in range(n):
+-    for _ in range(n):
-        a, b = b, a + b
+-        a, b = b, a + b
-    return a`,
+-    return a`,
               'python',
-            availableTerminalHeightCodeBlock,
+              codeBlockHeight,
               colorizeCodeWidth,
             )}
             <Box marginTop={1} />
             <DiffRenderer
               diffContent={`--- a/old_file.txt
-+++ b/new_file.txt
+-+++ b/new_file.txt
-@@ -1,4 +1,5 @@
+-@@ -1,4 +1,5 @@
- This is a context line.
+- This is a context line.
--This line was deleted.
+--This line was deleted.
-+This line was added.
+-+This line was added.
-`}
+-`}
-            availableTerminalHeight={availableTerminalHeightCodeBlock}
+              availableTerminalHeight={diffHeight}
               terminalWidth={colorizeCodeWidth}
             />
           </Box>
         </Box>
       </Box>
+      <Box marginTop={1}>
+        <Text color={Colors.Gray} wrap="truncate">
+          (Use Enter to select
+          {showScopeSelection ? ', Tab to change focus' : ''})
+        </Text>
+      </Box>
+    </Box>
   );
 }

packages/cli/src/ui/components/shared/RadioButtonSelect.tsx

@@ -5,7 +5,7 @@
  */
 
 import React from 'react';
-import { Text } from 'ink';
+import { Text, Box } from 'ink';
 import SelectInput, {
   type ItemProps as InkSelectItemProps,
   type IndicatorProps as InkSelectIndicatorProps,
@@ -78,12 +78,11 @@ export function RadioButtonSelect<T>({
     isSelected = false,
   }: InkSelectIndicatorProps): React.JSX.Element {
     return (
-      <Text
+      <Box minWidth={2} flexShrink={0}>
-        color={isSelected ? Colors.AccentGreen : Colors.Foreground}
+        <Text color={isSelected ? Colors.AccentGreen : Colors.Foreground}>
-        wrap="truncate"
+          {isSelected ? '●' : '○'}
-      >
-        {isSelected ? '● ' : '○ '}
         </Text>
+      </Box>
     );
   }