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added scroll back to terminal

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This commit is contained in:
Niklas Kapelle 2024-04-19 11:18:37 +02:00
parent dd146d1caf
commit d89956a626
Signed by: niklas
GPG Key ID: 4EB651B36D841D16
1 changed files with 12 additions and 1 deletions
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13
src/bin/Terminal.hx
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@ -1,5 +1,6 @@
package bin; package bin;
import lib.MathI;
import kernel.EndOfLoop; import kernel.EndOfLoop;
import lua.NativeStringTools; import lua.NativeStringTools;
import kernel.binstore.BinStore; import kernel.binstore.BinStore;
@ -25,6 +26,8 @@ class Terminal implements IProcess {
private var history:Array<String> = []; private var history:Array<String> = [];
private var historyIndex:Int = 0; private var historyIndex:Int = 0;
private var scrollBack = 0;
private var runningPID:PID = -1; private var runningPID:PID = -1;
public function new() {} public function new() {}
@ -61,6 +64,7 @@ class Terminal implements IProcess {
this.backlog.push("> " + this.input); this.backlog.push("> " + this.input);
var command = this.input; var command = this.input;
this.input = ""; this.input = "";
this.scrollBack = 0;
this.requestRender(); this.requestRender();
this.historyIndex = 0; this.historyIndex = 0;
this.invokeCommand(command); this.invokeCommand(command);
@ -72,6 +76,12 @@ class Terminal implements IProcess {
this.input = this.history[this.history.length - this.historyIndex]; this.input = this.history[this.history.length - this.historyIndex];
this.requestRender(); this.requestRender();
} }
case 266: // PAGE UP
this.scrollBack = MathI.min(scrollBack + 1, this.backlog.length - 1);
this.requestRender();
case 267: // PAGE DOWN
this.scrollBack = MathI.max(scrollBack - 1, 0);
this.requestRender();
} }
})); }));
@ -99,7 +109,8 @@ class Terminal implements IProcess {
var size = this.ctx.getSize(); var size = this.ctx.getSize();
var linesAvailable = size.y - 1; var linesAvailable = size.y - 1;
var start:Int = this.backlog.length - linesAvailable; var withoutScrollBack = (this.backlog.length - linesAvailable);
var start:Int = withoutScrollBack - scrollBack;
for (i in 0...linesAvailable) { for (i in 0...linesAvailable) {
var line = this.backlog[start + i]; var line = this.backlog[start + i];