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体验新版 GitCode,发现更多精彩内容 >>
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864688a2
编写于
5月 06, 2020
作者:
A
Alex Dima
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电子邮件补丁
差异文件
Keep minimap layout stable (#95178)
上级
69ab429a
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
66 addition
and
86 deletion
+66
-86
src/vs/editor/common/config/editorOptions.ts
src/vs/editor/common/config/editorOptions.ts
+66
-86
未找到文件。
src/vs/editor/common/config/editorOptions.ts
浏览文件 @
864688a2
...
...
@@ -706,12 +706,14 @@ export interface IEnvironmentalOptions {
*/
export
class
ComputeOptionsMemory
{
public
lastInput
:
IEditorLayoutComputerInput
|
null
;
public
lastResult
:
EditorLayoutInfo
|
null
;
public
stableMinimapLayoutInput
:
IMinimapLayoutInput
|
null
;
public
stableFitMaxMinimapScale
:
number
;
public
stableFitRemainingWidth
:
number
;
constructor
()
{
this
.
lastInput
=
null
;
this
.
lastResult
=
null
;
this
.
stableMinimapLayoutInput
=
null
;
this
.
stableFitMaxMinimapScale
=
0
;
this
.
stableFitRemainingWidth
=
0
;
}
}
...
...
@@ -1813,51 +1815,6 @@ export interface IEditorLayoutComputerInput {
readonly
accessibilitySupport
:
AccessibilitySupport
;
}
/**
* @internal
*/
function
editorLayoutComputerInputSoftEquals
(
a
:
IEditorLayoutComputerInput
,
b
:
IEditorLayoutComputerInput
):
boolean
{
return
(
a
.
outerWidth
===
b
.
outerWidth
&&
a
.
outerHeight
===
b
.
outerHeight
&&
a
.
isDominatedByLongLines
===
b
.
isDominatedByLongLines
&&
a
.
lineHeight
===
b
.
lineHeight
&&
a
.
lineNumbersDigitCount
===
b
.
lineNumbersDigitCount
&&
a
.
typicalHalfwidthCharacterWidth
===
b
.
typicalHalfwidthCharacterWidth
&&
a
.
maxDigitWidth
===
b
.
maxDigitWidth
&&
a
.
pixelRatio
===
b
.
pixelRatio
&&
a
.
glyphMargin
===
b
.
glyphMargin
&&
a
.
lineDecorationsWidth
===
b
.
lineDecorationsWidth
&&
a
.
folding
===
b
.
folding
&&
a
.
minimap
.
enabled
===
b
.
minimap
.
enabled
&&
a
.
minimap
.
side
===
b
.
minimap
.
side
&&
a
.
minimap
.
size
===
b
.
minimap
.
size
&&
a
.
minimap
.
showSlider
===
b
.
minimap
.
showSlider
&&
a
.
minimap
.
renderCharacters
===
b
.
minimap
.
renderCharacters
&&
a
.
minimap
.
maxColumn
===
b
.
minimap
.
maxColumn
&&
a
.
minimap
.
scale
===
b
.
minimap
.
scale
&&
a
.
scrollbar
.
arrowSize
===
b
.
scrollbar
.
arrowSize
&&
a
.
scrollbar
.
vertical
===
b
.
scrollbar
.
vertical
&&
a
.
scrollbar
.
horizontal
===
b
.
scrollbar
.
horizontal
&&
a
.
scrollbar
.
useShadows
===
b
.
scrollbar
.
useShadows
&&
a
.
scrollbar
.
verticalHasArrows
===
b
.
scrollbar
.
verticalHasArrows
&&
a
.
scrollbar
.
horizontalHasArrows
===
b
.
scrollbar
.
horizontalHasArrows
&&
a
.
scrollbar
.
handleMouseWheel
===
b
.
scrollbar
.
handleMouseWheel
&&
a
.
scrollbar
.
alwaysConsumeMouseWheel
===
b
.
scrollbar
.
alwaysConsumeMouseWheel
&&
a
.
scrollbar
.
horizontalScrollbarSize
===
b
.
scrollbar
.
horizontalScrollbarSize
&&
a
.
scrollbar
.
horizontalSliderSize
===
b
.
scrollbar
.
horizontalSliderSize
&&
a
.
scrollbar
.
verticalScrollbarSize
===
b
.
scrollbar
.
verticalScrollbarSize
&&
a
.
scrollbar
.
verticalSliderSize
===
b
.
scrollbar
.
verticalSliderSize
&&
a
.
lineNumbers
.
renderType
===
b
.
lineNumbers
.
renderType
&&
a
.
lineNumbersMinChars
===
b
.
lineNumbersMinChars
&&
a
.
scrollBeyondLastLine
===
b
.
scrollBeyondLastLine
&&
a
.
wordWrap
===
b
.
wordWrap
&&
a
.
wordWrapColumn
===
b
.
wordWrapColumn
&&
a
.
wordWrapMinified
===
b
.
wordWrapMinified
&&
a
.
accessibilitySupport
===
b
.
accessibilitySupport
);
}
/**
* @internal
*/
...
...
@@ -1943,10 +1900,10 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
wordWrapColumn
:
options
.
get
(
EditorOption
.
wordWrapColumn
),
wordWrapMinified
:
options
.
get
(
EditorOption
.
wordWrapMinified
),
accessibilitySupport
:
options
.
get
(
EditorOption
.
accessibilitySupport
)
},
env
.
viewLineCount
,
env
.
memory
);
},
env
.
viewLineCount
,
env
.
memory
||
new
ComputeOptionsMemory
()
);
}
private
static
_computeMinimapLayout
(
input
:
IMinimapLayoutInput
)
{
private
static
_computeMinimapLayout
(
input
:
IMinimapLayoutInput
,
memory
:
ComputeOptionsMemory
)
{
const
outerHeight
=
input
.
outerHeight
;
const
pixelRatio
=
input
.
pixelRatio
;
...
...
@@ -1965,6 +1922,28 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
};
}
// Can use memory if only the `viewLineCount` and `remainingWidth` have changed
const
stableMinimapLayoutInput
=
memory
.
stableMinimapLayoutInput
;
const
couldUseMemory
=
(
stableMinimapLayoutInput
&&
input
.
outerHeight
===
stableMinimapLayoutInput
.
outerHeight
&&
input
.
lineHeight
===
stableMinimapLayoutInput
.
lineHeight
&&
input
.
typicalHalfwidthCharacterWidth
===
stableMinimapLayoutInput
.
typicalHalfwidthCharacterWidth
&&
input
.
pixelRatio
===
stableMinimapLayoutInput
.
pixelRatio
&&
input
.
scrollBeyondLastLine
===
stableMinimapLayoutInput
.
scrollBeyondLastLine
&&
input
.
minimap
.
enabled
===
stableMinimapLayoutInput
.
minimap
.
enabled
&&
input
.
minimap
.
side
===
stableMinimapLayoutInput
.
minimap
.
side
&&
input
.
minimap
.
size
===
stableMinimapLayoutInput
.
minimap
.
size
&&
input
.
minimap
.
showSlider
===
stableMinimapLayoutInput
.
minimap
.
showSlider
&&
input
.
minimap
.
renderCharacters
===
stableMinimapLayoutInput
.
minimap
.
renderCharacters
&&
input
.
minimap
.
maxColumn
===
stableMinimapLayoutInput
.
minimap
.
maxColumn
&&
input
.
minimap
.
scale
===
stableMinimapLayoutInput
.
minimap
.
scale
&&
input
.
verticalScrollbarWidth
===
stableMinimapLayoutInput
.
verticalScrollbarWidth
// && input.viewLineCount === lastMinimapLayoutInput.viewLineCount !!! INTENTIONAL OMITTED
// && input.remainingWidth === lastMinimapLayoutInput.remainingWidth !!! INTENTIONAL OMITTED
&&
input
.
isViewportWrapping
===
stableMinimapLayoutInput
.
isViewportWrapping
);
const
lineHeight
=
input
.
lineHeight
;
const
typicalHalfwidthCharacterWidth
=
input
.
typicalHalfwidthCharacterWidth
;
const
scrollBeyondLastLine
=
input
.
scrollBeyondLastLine
;
...
...
@@ -1978,7 +1957,6 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
const
isViewportWrapping
=
input
.
isViewportWrapping
;
const
baseCharHeight
=
minimapRenderCharacters
?
2
:
3
;
let
storeResultInMemory
=
false
;
let
minimapCanvasInnerHeight
=
Math
.
floor
(
pixelRatio
*
outerHeight
);
const
minimapCanvasOuterHeight
=
minimapCanvasInnerHeight
/
pixelRatio
;
let
minimapHeightIsEditorHeight
=
false
;
...
...
@@ -2006,24 +1984,45 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
minimapLineHeight
=
1
;
minimapCharWidth
=
minimapScale
/
pixelRatio
;
}
else
{
let
fitBecomesFill
=
false
;
let
maxMinimapScale
=
minimapScale
+
1
;
if
(
minimapSize
===
'
fit
'
)
{
const
effectiveMinimapHeight
=
Math
.
ceil
((
viewLineCount
+
extraLinesBeyondLastLine
)
*
minimapLineHeight
);
if
(
minimapSize
===
'
fill
'
||
effectiveMinimapHeight
>
minimapCanvasInnerHeight
)
{
if
(
minimapSize
===
'
fit
'
&&
isViewportWrapping
)
{
// `fit` becomes `fill`: this can cause the `minimapScale` to change, which causes `minimapWidth` to change.
// With viewport wrapping, this can cause the `viewLineCount` to change, which can lead to a new result
// where `fit` would not become `fill`... and so on...
// to break the loop, we store the result in memory and then reuse the same result on the next call.
storeResultInMemory
=
true
;
if
(
isViewportWrapping
&&
couldUseMemory
&&
remainingWidth
<=
memory
.
stableFitRemainingWidth
)
{
// There is a loop when using `fit` and viewport wrapping:
// - view line count impacts minimap layout
// - minimap layout impacts viewport width
// - viewport width impacts view line count
// To break the loop, once we go to a smaller minimap scale, we try to stick with it.
fitBecomesFill
=
true
;
maxMinimapScale
=
memory
.
stableFitMaxMinimapScale
;
}
else
{
fitBecomesFill
=
(
effectiveMinimapHeight
>
minimapCanvasInnerHeight
);
if
(
isViewportWrapping
&&
fitBecomesFill
)
{
// remember for next time
memory
.
stableMinimapLayoutInput
=
input
;
memory
.
stableFitRemainingWidth
=
remainingWidth
;
}
else
{
memory
.
stableMinimapLayoutInput
=
null
;
memory
.
stableFitRemainingWidth
=
0
;
}
}
}
if
(
minimapSize
===
'
fill
'
||
fitBecomesFill
)
{
minimapHeightIsEditorHeight
=
true
;
const
configured
Font
Scale
=
minimapScale
;
const
configured
Minimap
Scale
=
minimapScale
;
minimapLineHeight
=
Math
.
min
(
lineHeight
*
pixelRatio
,
Math
.
max
(
1
,
Math
.
floor
(
1
/
desiredRatio
)));
minimapScale
=
Math
.
min
(
configuredFontScale
+
1
,
Math
.
max
(
1
,
Math
.
floor
(
minimapLineHeight
/
baseCharHeight
)));
if
(
minimapScale
>
configured
Font
Scale
)
{
minimapWidthMultiplier
=
Math
.
min
(
2
,
minimapScale
/
configured
Font
Scale
);
minimapScale
=
Math
.
min
(
maxMinimapScale
,
Math
.
max
(
1
,
Math
.
floor
(
minimapLineHeight
/
baseCharHeight
)));
if
(
minimapScale
>
configured
Minimap
Scale
)
{
minimapWidthMultiplier
=
Math
.
min
(
2
,
minimapScale
/
configured
Minimap
Scale
);
}
minimapCharWidth
=
minimapScale
/
pixelRatio
/
minimapWidthMultiplier
;
minimapCanvasInnerHeight
=
Math
.
ceil
((
Math
.
max
(
typicalViewportLineCount
,
viewLineCount
+
extraLinesBeyondLastLine
))
*
minimapLineHeight
);
if
(
isViewportWrapping
&&
fitBecomesFill
)
{
memory
.
stableFitMaxMinimapScale
=
minimapScale
;
}
}
}
}
...
...
@@ -2049,7 +2048,6 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
minimapCanvasInnerWidth
=
Math
.
floor
(
minimapCanvasInnerWidth
*
minimapWidthMultiplier
);
return
{
storeResultInMemory
,
minimapWidth
,
minimapHeightIsEditorHeight
,
minimapIsSampling
,
...
...
@@ -2062,12 +2060,7 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
};
}
public
static
doComputeLayout
(
input
:
IEditorLayoutComputerInput
,
viewLineCount
:
number
,
memory
:
ComputeOptionsMemory
|
null
):
EditorLayoutInfo
{
if
(
memory
&&
memory
.
lastInput
&&
memory
.
lastResult
&&
editorLayoutComputerInputSoftEquals
(
memory
.
lastInput
,
input
))
{
return
memory
.
lastResult
;
}
public
static
doComputeLayout
(
input
:
IEditorLayoutComputerInput
,
viewLineCount
:
number
,
memory
:
ComputeOptionsMemory
):
EditorLayoutInfo
{
const
outerWidth
=
input
.
outerWidth
;
const
outerHeight
=
input
.
outerHeight
;
const
lineHeight
=
input
.
lineHeight
;
...
...
@@ -2149,7 +2142,6 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
}
const
{
storeResultInMemory
,
minimapWidth
,
minimapHeightIsEditorHeight
,
minimapIsSampling
,
...
...
@@ -2170,7 +2162,7 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
viewLineCount
:
viewLineCount
,
remainingWidth
:
remainingWidth
,
isViewportWrapping
:
isViewportWrapping
,
});
}
,
memory
);
let
renderMinimap
:
RenderMinimap
;
let
minimapLeft
:
number
;
...
...
@@ -2204,7 +2196,7 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
}
}
const
result
:
EditorLayoutInfo
=
{
return
{
width
:
outerWidth
,
height
:
outerHeight
,
...
...
@@ -2248,18 +2240,6 @@ export class EditorLayoutInfoComputer extends ComputedEditorOption<EditorOption.
right
:
0
}
};
if
(
memory
)
{
if
(
storeResultInMemory
)
{
memory
.
lastInput
=
input
;
memory
.
lastResult
=
result
;
}
else
{
memory
.
lastInput
=
null
;
memory
.
lastResult
=
null
;
}
}
return
result
;
}
}
...
...
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