mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2025-04-02 11:02:17 -04:00
82 lines
2.6 KiB
Go
82 lines
2.6 KiB
Go
// This file is part of Gopher2600.
|
|
//
|
|
// Gopher2600 is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Gopher2600 is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package sdlimgui
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/inkyblackness/imgui-go/v4"
|
|
)
|
|
|
|
// length limited input of allowed hexadecimal characters.
|
|
func imguiHexInput(label string, length int, content *string) bool {
|
|
return imguiInputLenLimited(label, length, content, "abcdefABCDEF0123456789", true)
|
|
}
|
|
|
|
// length limited input of numeric characters.
|
|
func imguiDecimalInput(label string, length int, content *string) bool {
|
|
return imguiInputLenLimited(label, length, content, "0123456789", true)
|
|
}
|
|
|
|
// length limited input of numeric characters for floatingPoint
|
|
func imguiFloatingPointInput(label string, length int, content *string) bool {
|
|
return imguiInputLenLimited(label, length, content, "0123456789.", true)
|
|
}
|
|
|
|
// length limited input of text characters.
|
|
func imguiTextInput(label string, length int, content *string, selectAll bool) bool {
|
|
return imguiInputLenLimited(label, length, content, "", selectAll)
|
|
}
|
|
|
|
// input text that accepts a maximum number of characters.
|
|
//
|
|
// if allowedChars is the empty string than all characters will be allowed.
|
|
func imguiInputLenLimited(label string, length int, content *string, allowedChars string, selectAll bool) bool {
|
|
cb := func(d imgui.InputTextCallbackData) int32 {
|
|
switch d.EventFlag() {
|
|
case imgui.InputTextFlagsCallbackCharFilter:
|
|
if allowedChars != "" {
|
|
// filter characters that are not in the list of allowedChars
|
|
if !strings.ContainsAny(string(d.EventChar()), allowedChars) {
|
|
return -1
|
|
}
|
|
}
|
|
default:
|
|
b := string(d.Buffer())
|
|
|
|
// restrict length of input
|
|
if len(b) > length {
|
|
d.DeleteBytes(0, len(b))
|
|
b = b[:length]
|
|
d.InsertBytes(0, []byte(b))
|
|
d.MarkBufferModified()
|
|
}
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
flags := imgui.InputTextFlagsCallbackCharFilter | imgui.InputTextFlagsCallbackAlways | imgui.InputTextFlagsEnterReturnsTrue
|
|
|
|
if selectAll {
|
|
flags |= imgui.InputTextFlagsAutoSelectAll
|
|
}
|
|
|
|
imgui.PushItemWidth(imguiTextWidth(length))
|
|
defer imgui.PopItemWidth()
|
|
|
|
return imgui.InputTextV(label, content, flags, cb)
|
|
}
|