mirror of
https://github.com/Textualize/textual.git
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fix issue with maxlines and textlog
This commit is contained in:
Will McGugan
20
sandbox/will/tl.py
Normal file
20
sandbox/will/tl.py
Normal file
@@ -0,0 +1,20 @@
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from textual.app import App
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from textual.widgets import TextLog
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class TextLogLines(App):
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count = 0
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def compose(self):
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yield TextLog(max_lines=5)
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async def on_key(self):
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self.count += 1
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log_widget = self.query_one(TextLog)
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log_widget.write(f"Key press #{self.count}")
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app = TextLogLines()
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if __name__ == "__main__":
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app.run()
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@@ -46,6 +46,7 @@ class TextLog(ScrollView, can_focus=True):
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) -> None:
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) -> None:
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super().__init__(name=name, id=id, classes=classes)
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super().__init__(name=name, id=id, classes=classes)
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self.max_lines = max_lines
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self.max_lines = max_lines
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self.start_line: int = 0
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self.lines: list[list[Segment]] = []
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self.lines: list[list[Segment]] = []
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self._line_cache: LRUCache[tuple[int, int, int, int], list[Segment]]
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self._line_cache: LRUCache[tuple[int, int, int, int], list[Segment]]
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self._line_cache = LRUCache(1024)
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self._line_cache = LRUCache(1024)
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@@ -95,7 +96,9 @@ class TextLog(ScrollView, can_focus=True):
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)
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)
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self.lines.extend(lines)
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self.lines.extend(lines)
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if self.max_lines is not None:
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if self.max_lines is not None and len(self.lines) > self.max_lines:
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self.start_line += len(self.lines) - self.max_lines
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self.refresh()
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self.lines = self.lines[-self.max_lines :]
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self.lines = self.lines[-self.max_lines :]
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self.virtual_size = Size(self.max_width, len(self.lines))
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self.virtual_size = Size(self.max_width, len(self.lines))
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self.scroll_end(animate=False, speed=100)
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self.scroll_end(animate=False, speed=100)
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@@ -103,8 +106,10 @@ class TextLog(ScrollView, can_focus=True):
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def clear(self) -> None:
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def clear(self) -> None:
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"""Clear the text log."""
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"""Clear the text log."""
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del self.lines[:]
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del self.lines[:]
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self.start_line = 0
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self.max_width = 0
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self.max_width = 0
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self.virtual_size = Size(self.max_width, len(self.lines))
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self.virtual_size = Size(self.max_width, len(self.lines))
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self.refresh()
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def render_line(self, y: int) -> list[Segment]:
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def render_line(self, y: int) -> list[Segment]:
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scroll_x, scroll_y = self.scroll_offset
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scroll_x, scroll_y = self.scroll_offset
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@@ -129,7 +134,7 @@ class TextLog(ScrollView, can_focus=True):
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if y >= len(self.lines):
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if y >= len(self.lines):
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return [Segment(" " * width, self.rich_style)]
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return [Segment(" " * width, self.rich_style)]
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key = (y, scroll_x, width, self.max_width)
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key = (y + self.start_line, scroll_x, width, self.max_width)
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if key in self._line_cache:
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if key in self._line_cache:
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return self._line_cache[key]
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return self._line_cache[key]
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@@ -6009,6 +6009,161 @@
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'''
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'''
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# ---
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# ---
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# name: test_textlog_max_lines
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'''
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<svg class="rich-terminal" viewBox="0 0 994 635.5999999999999" xmlns="http://www.w3.org/2000/svg">
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<!-- Generated with Rich https://www.textualize.io -->
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<style>
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@font-face {
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font-family: "Fira Code";
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src: local("FiraCode-Regular"),
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url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff2/FiraCode-Regular.woff2") format("woff2"),
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url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff/FiraCode-Regular.woff") format("woff");
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font-style: normal;
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font-weight: 400;
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}
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@font-face {
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font-family: "Fira Code";
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src: local("FiraCode-Bold"),
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url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff2/FiraCode-Bold.woff2") format("woff2"),
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url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff/FiraCode-Bold.woff") format("woff");
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font-style: bold;
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font-weight: 700;
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}
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.terminal-2820474000-matrix {
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font-family: Fira Code, monospace;
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font-size: 20px;
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line-height: 24.4px;
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font-variant-east-asian: full-width;
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}
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.terminal-2820474000-title {
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font-size: 18px;
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font-weight: bold;
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font-family: arial;
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}
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.terminal-2820474000-r1 { fill: #e1e1e1 }
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.terminal-2820474000-r2 { fill: #c5c8c6 }
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</style>
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<defs>
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||||||
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<clipPath id="terminal-2820474000-clip-terminal">
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<rect x="0" y="0" width="975.0" height="584.5999999999999" />
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</clipPath>
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<clipPath id="terminal-2820474000-line-0">
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<rect x="0" y="1.5" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-1">
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<rect x="0" y="25.9" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-2">
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<rect x="0" y="50.3" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-3">
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<rect x="0" y="74.7" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-4">
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<rect x="0" y="99.1" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-5">
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<rect x="0" y="123.5" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-6">
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<rect x="0" y="147.9" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-7">
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<rect x="0" y="172.3" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-8">
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<rect x="0" y="196.7" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-9">
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<rect x="0" y="221.1" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-10">
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<rect x="0" y="245.5" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-11">
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<rect x="0" y="269.9" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-12">
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<rect x="0" y="294.3" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-13">
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<rect x="0" y="318.7" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-14">
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<rect x="0" y="343.1" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-15">
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<rect x="0" y="367.5" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-16">
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<rect x="0" y="391.9" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-17">
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<rect x="0" y="416.3" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-18">
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<rect x="0" y="440.7" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-19">
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<rect x="0" y="465.1" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-20">
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<rect x="0" y="489.5" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-21">
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<rect x="0" y="513.9" width="976" height="24.65"/>
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</clipPath>
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<clipPath id="terminal-2820474000-line-22">
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<rect x="0" y="538.3" width="976" height="24.65"/>
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</clipPath>
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</defs>
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<rect fill="#292929" stroke="rgba(255,255,255,0.35)" stroke-width="1" x="1" y="1" width="992" height="633.6" rx="8"/><text class="terminal-2820474000-title" fill="#c5c8c6" text-anchor="middle" x="496" y="27">TextLogLines</text>
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<g transform="translate(26,22)">
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<circle cx="0" cy="0" r="7" fill="#ff5f57"/>
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<circle cx="22" cy="0" r="7" fill="#febc2e"/>
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<circle cx="44" cy="0" r="7" fill="#28c840"/>
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</g>
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<g transform="translate(9, 41)" clip-path="url(#terminal-2820474000-clip-terminal)">
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||||||
|
<g class="terminal-2820474000-matrix">
|
||||||
|
<text class="terminal-2820474000-r1" x="0" y="20" textLength="951.6" clip-path="url(#terminal-2820474000-line-0)">Key press #3                                                                  </text><text class="terminal-2820474000-r2" x="976" y="20" textLength="12.2" clip-path="url(#terminal-2820474000-line-0)">
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||||||
|
</text><text class="terminal-2820474000-r1" x="0" y="44.4" textLength="951.6" clip-path="url(#terminal-2820474000-line-1)">Key press #4                                                                  </text><text class="terminal-2820474000-r2" x="976" y="44.4" textLength="12.2" clip-path="url(#terminal-2820474000-line-1)">
|
||||||
|
</text><text class="terminal-2820474000-r1" x="0" y="68.8" textLength="951.6" clip-path="url(#terminal-2820474000-line-2)">Key press #5                                                                  </text><text class="terminal-2820474000-r2" x="976" y="68.8" textLength="12.2" clip-path="url(#terminal-2820474000-line-2)">
|
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|
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|
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</text><text class="terminal-2820474000-r2" x="976" y="312.8" textLength="12.2" clip-path="url(#terminal-2820474000-line-12)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="337.2" textLength="12.2" clip-path="url(#terminal-2820474000-line-13)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="361.6" textLength="12.2" clip-path="url(#terminal-2820474000-line-14)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="386" textLength="12.2" clip-path="url(#terminal-2820474000-line-15)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="410.4" textLength="12.2" clip-path="url(#terminal-2820474000-line-16)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="434.8" textLength="12.2" clip-path="url(#terminal-2820474000-line-17)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="459.2" textLength="12.2" clip-path="url(#terminal-2820474000-line-18)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="483.6" textLength="12.2" clip-path="url(#terminal-2820474000-line-19)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="508" textLength="12.2" clip-path="url(#terminal-2820474000-line-20)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="532.4" textLength="12.2" clip-path="url(#terminal-2820474000-line-21)">
|
||||||
|
</text><text class="terminal-2820474000-r2" x="976" y="556.8" textLength="12.2" clip-path="url(#terminal-2820474000-line-22)">
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
</g>
|
||||||
|
</svg>
|
||||||
|
|
||||||
|
'''
|
||||||
|
# ---
|
||||||
# name: test_vertical_layout
|
# name: test_vertical_layout
|
||||||
'''
|
'''
|
||||||
<svg class="rich-terminal" viewBox="0 0 994 635.5999999999999" xmlns="http://www.w3.org/2000/svg">
|
<svg class="rich-terminal" viewBox="0 0 994 635.5999999999999" xmlns="http://www.w3.org/2000/svg">
|
||||||
|
|||||||
@@ -8,6 +8,7 @@ from textual.widgets import Input, Button
|
|||||||
|
|
||||||
# --- Layout related stuff ---
|
# --- Layout related stuff ---
|
||||||
|
|
||||||
|
|
||||||
def test_grid_layout_basic(snap_compare):
|
def test_grid_layout_basic(snap_compare):
|
||||||
assert snap_compare("docs/examples/guide/layout/grid_layout1.py")
|
assert snap_compare("docs/examples/guide/layout/grid_layout1.py")
|
||||||
|
|
||||||
@@ -41,6 +42,7 @@ def test_dock_layout_sidebar(snap_compare):
|
|||||||
# When adding a new widget, ideally we should also create a snapshot test
|
# When adding a new widget, ideally we should also create a snapshot test
|
||||||
# from these examples which test rendering and simple interactions with it.
|
# from these examples which test rendering and simple interactions with it.
|
||||||
|
|
||||||
|
|
||||||
def test_checkboxes(snap_compare):
|
def test_checkboxes(snap_compare):
|
||||||
"""Tests checkboxes but also acts a regression test for using
|
"""Tests checkboxes but also acts a regression test for using
|
||||||
width: auto in a Horizontal layout context."""
|
width: auto in a Horizontal layout context."""
|
||||||
@@ -94,12 +96,18 @@ def test_header_render(snap_compare):
|
|||||||
assert snap_compare("docs/examples/widgets/header.py")
|
assert snap_compare("docs/examples/widgets/header.py")
|
||||||
|
|
||||||
|
|
||||||
|
def test_textlog_max_lines(snap_compare):
|
||||||
|
assert snap_compare("tests/snapshots/textlog_max_lines.py", press=list("abcde"))
|
||||||
|
|
||||||
|
|
||||||
# --- CSS properties ---
|
# --- CSS properties ---
|
||||||
# We have a canonical example for each CSS property that is shown in their docs.
|
# We have a canonical example for each CSS property that is shown in their docs.
|
||||||
# If any of these change, something has likely broken, so snapshot each of them.
|
# If any of these change, something has likely broken, so snapshot each of them.
|
||||||
|
|
||||||
PATHS = [
|
PATHS = [
|
||||||
str(PurePosixPath(path)) for path in Path("docs/examples/styles").iterdir() if path.suffix == ".py"
|
str(PurePosixPath(path))
|
||||||
|
for path in Path("docs/examples/styles").iterdir()
|
||||||
|
if path.suffix == ".py"
|
||||||
]
|
]
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
20
tests/snapshots/textlog_max_lines.py
Normal file
20
tests/snapshots/textlog_max_lines.py
Normal file
@@ -0,0 +1,20 @@
|
|||||||
|
from textual.app import App
|
||||||
|
from textual.widgets import TextLog
|
||||||
|
|
||||||
|
|
||||||
|
class TextLogLines(App):
|
||||||
|
count = 0
|
||||||
|
|
||||||
|
def compose(self):
|
||||||
|
yield TextLog(max_lines=3)
|
||||||
|
|
||||||
|
async def on_key(self):
|
||||||
|
self.count += 1
|
||||||
|
log_widget = self.query_one(TextLog)
|
||||||
|
log_widget.write(f"Key press #{self.count}")
|
||||||
|
|
||||||
|
|
||||||
|
app = TextLogLines()
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
app.run()
|
||||||
Reference in New Issue
Block a user