Add forward delete to TextFieldElement

src/kekengine/cpp/input/input.cpp

@@ -1,8 +1,10 @@
 #include "input.h"
 
+#include <GLFW/glfw3.h>
 #include <iostream>
 #include <map>
 
+#include "constants.h"
 #include "internal.h"
 #include "internal/input.h"
 
@@ -31,8 +33,15 @@ void onKeyCallback(GLFWwindow *window, int key, int scancode, int action, int mo
 			return;
 		}
 
-		if(key == GLFW_KEY_BACKSPACE && (action == GLFW_PRESS || action == GLFW_REPEAT)) {
+		if(action == GLFW_PRESS || action == GLFW_REPEAT) {
+			switch(key) {
+				case GLFW_KEY_BACKSPACE:
 					kekData.input->activeKeyboardCapture.charCallback(KeyCharEvent{window, KEK_INPUT_DELETE});
+					break;
+				case GLFW_KEY_DELETE:
+					kekData.input->activeKeyboardCapture.charCallback(KeyCharEvent{window, KEK_INPUT_DELETE_FORWARD});
+					break;
+			}
 		}
 
 		kekData.input->activeKeyboardCapture.keyCallback(KeyEvent{window, key, scancode, action, mods});

src/kekengine/cpp/ui/uielements.cpp

@@ -266,11 +266,19 @@ void TextFieldElement::focusEnter() {
 			TextFieldElement *_this = (TextFieldElement *) data;
 
 			std::u32string str = Unicode::convertStdToU32(_this->text);
-			if(event.codepoint == KEK_INPUT_DELETE) {
+			switch(event.codepoint) {
+				case KEK_INPUT_DELETE:
 					if(_this->cursorPos == str.length()) return;
 					str = str.erase(str.length() - _this->cursorPos - 1, 1);
-			} else {
+					break;
+				case KEK_INPUT_DELETE_FORWARD:
+					if(_this->cursorPos == 0) return;
+					str = str.erase(str.length() - _this->cursorPos, 1);
+					_this->cursorPos--;
+					break;
+				default:
 					str.insert(str.length() - _this->cursorPos, 1, event.codepoint);
+					break;
 			}
 
 			_this->lastCharTyped = glfwGetTime();
@@ -337,5 +345,4 @@ void TextFieldElement::setText(std::string text) {
 	this->cursorPos = 0;
 	updateText(Unicode::convertStdToU32(text));
 }
-
 }

src/kekengine/include/constants.h

@@ -42,6 +42,7 @@
 #define KEK_DEFAULT_FONT_SIZE_PIXELS 24
 
 #define KEK_INPUT_DELETE -1u
+#define KEK_INPUT_DELETE_FORWARD -2u
 
 #define KEK_PLAYER_HEIGHT 2
 #define KEK_PLAYER_RADIUS 0.5f