step

raygui/textbox.go

@@ -0,0 +1,64 @@
+package raygui
+
+import (
+	"fmt"
+	"time"
+
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+var backspaceHeld = false
+var nextBackspace = time.Now()
+
+// BackspaceRepeatDelay controls the time backspace must be held down before it will repeat.
+var BackspaceRepeatDelay = 300 * time.Millisecond
+
+// BackspaceRepeatInterval controls how frequently backspace registers after the initial delay.
+var BackspaceRepeatInterval = 60 * time.Millisecond
+
+// TextBox - Text Box element, updates input text
+func TextBox(bounds rl.Rectangle, text string) string {
+	b := bounds.ToInt32()
+
+	letter := int32(-1)
+
+	// Update control
+	state := GetInteractionState(bounds)
+	borderColor := TextboxBorderColor
+	if state == Pressed || state == Focused {
+		borderColor = ToggleActiveBorderColor
+
+		framesCounter2++
+		letter = rl.GetKeyPressed()
+		if letter != -1 {
+			if letter >= 32 && letter < 127 {
+				text = fmt.Sprintf("%s%c", text, letter)
+			}
+		}
+
+		backspacing := rl.IsKeyPressed(rl.KeyBackspace)
+		if backspacing {
+			nextBackspace = time.Now().Add(BackspaceRepeatDelay)
+		} else if rl.IsKeyDown(rl.KeyBackspace) {
+			backspacing = time.Since(nextBackspace) >= 0
+			if backspacing {
+				nextBackspace = time.Now().Add(BackspaceRepeatInterval)
+			}
+		}
+		if backspacing && len(text) > 0 {
+			text = text[:len(text)-1]
+		}
+	}
+
+	DrawBorderedRectangle(b, GetStyle32(TextboxBorderWidth), GetStyleColor(borderColor), GetStyleColor(TextboxInsideColor))
+	rl.DrawText(text, b.X+2, b.Y+int32(style[TextboxBorderWidth])+b.Height/2-int32(style[TextboxTextFontsize])/2, int32(style[TextboxTextFontsize]), GetStyleColor(TextboxTextColor))
+
+	if state == Focused || state == Pressed {
+		// Draw a cursor, when focused.
+		if (framesCounter2/20)%2 == 0 {
+			rl.DrawRectangle(b.X+4+rl.MeasureText(text, int32(style[GlobalTextFontsize])), b.Y+2, 1, b.Height-4, rl.GetColor(uint(style[TextboxLineColor])))
+		}
+	}
+
+	return text
+}