Merge branch 'master' of github.com:lonkaars/crepe

1 files changed, 95 insertions, 0 deletions

diff --git a/mwe/events/src/inputSystem.cpp b/mwe/events/src/inputSystem.cpp
new file mode 100644
index 0000000..b87b12e
--- /dev/null
+++ b/mwe/events/src/inputSystem.cpp
@@ -0,0 +1,95 @@
+#include "inputSystem.h"
+
+InputSystem::InputSystem() {}
+
+void InputSystem::registerButton(Button * button) { buttons.push_back(button); }
+void InputSystem::registerTextInput(TextInput * input) {
+	textInputs.push_back(input);
+}
+void InputSystem::registerText(Text * label) { texts.push_back(label); }
+
+void InputSystem::processInput() {
+	SDL_Event event;
+	while (SDL_PollEvent(&event)) {
+		switch (event.type) {
+			case SDL_QUIT:
+				triggerEvent(ShutDownEvent());
+				break;
+			case SDL_KEYDOWN:
+				triggerEvent(
+					KeyPressedEvent(getCustomKey(event.key.keysym.sym)));
+				processKeyPress(event.key.keysym.sym);
+				break;
+			case SDL_TEXTINPUT:
+				// Process typed characters
+				processTextInput(event.text.text);
+				break;
+			case SDL_MOUSEBUTTONDOWN: {
+				int mouseX, mouseY;
+				SDL_GetMouseState(&mouseX, &mouseY);
+				processMouseClick(mouseX, mouseY);
+				triggerEvent(MousePressedEvent(mouseX, mouseY));
+				break;
+			}
+		}
+	}
+}
+
+void InputSystem::processMouseClick(int mouseX, int mouseY) {
+	for (auto * button : buttons) {
+		if (mouseX >= button->x && mouseX <= (button->x + button->width)
+			&& mouseY >= button->y && mouseY <= (button->y + button->height)) {
+			button->onClick();
+		}
+	}
+	for (auto * textInput : textInputs) {
+		if (mouseX >= textInput->x && mouseX <= textInput->x + textInput->width
+			&& mouseY >= textInput->y
+			&& mouseY <= textInput->y + textInput->height) {
+			textInput->isActive = true;
+		} else {
+			textInput->isActive = false;
+		}
+	}
+}
+void InputSystem::processKeyPress(Keycode key) {
+	// for (auto* textInput : textInputs) {
+	//     if (textInput->isActive) {
+	//         if (key == SDLK_RETURN || key == SDLK_KP_ENTER) {
+	//             // Submit the text
+	//             if (textInput->onSubmit) {
+	//                 textInput->onSubmit();
+	//             }
+	//         }
+	//         else if (key == SDLK_BACKSPACE) {
+	//             // Handle backspace
+	//             if (!textInput->textBuffer.empty() && textInput->caretPosition > 0) {
+	//                 textInput->textBuffer.erase(textInput->caretPosition - 1, 1);
+	//                 textInput->caretPosition--;
+	//             }
+	//         }
+	//         else if (key == SDLK_LEFT) {
+	//             // Move caret left
+	//             if (textInput->caretPosition > 0) {
+	//                 textInput->caretPosition--;
+	//             }
+	//         }
+	//         else if (key == SDLK_RIGHT) {
+	//             // Move caret right
+	//             if (textInput->caretPosition < textInput->textBuffer.size()) {
+	//                 textInput->caretPosition++;
+	//             }
+	//         }
+	//     }
+	// }
+}
+
+void InputSystem::processTextInput(const std::string & text) {
+	// for (auto* textInput : textInputs) {
+	//     if (textInput->isActive) {
+	//         // Insert text at caret position
+	//         textInput->textBuffer.insert(textInput->caretPosition, text);
+	//         textInput->caretPosition += text.length();
+	//     }
+	// }
+}