Files
c_command_pattern/src/main.c
sirlilpanda 5f41dc2baf the code
2025-08-24 14:40:04 +12:00

74 lines
1.9 KiB
C

#include <stdio.h>
#include "command.h "
#include "command.h"
#include "input.h"
// this is the underlying function
int printButton(const char* string) {
return printf(string);
}
void commandWrapper(void* args, void* ret) {
// we cast ret to a int and then place the return val in to it
*(int*)(ret) = printButton(*(const char**)(args));
}
Inputs_e getinput() {
return BUTTON_DOWN;
}
// this is the only part i dont like
const char* button_up_cmd_args = "up button pressed";
int button_up_cmd_return_val = 0; // dont leave thing uninstalised
const char* button_left_cmd_args = "left button pressed";
int button_left_cmd_return_val = 0; // dont leave thing uninstalised
const char* button_right_cmd_args = "right button pressed";
int button_right_cmd_return_val = 0; // dont leave thing uninstalised
const char* button_down_cmd_args = "down button pressed";
int button_down_cmd_return_val = 0; // dont leave thing uninstalised
static Input_t input_device = (Input_t){
.button_up_cmd = (Command_t){
.args = (void*)(&button_up_cmd_args),
.ret = (void*)(&button_up_cmd_return_val),
.command = &commandWrapper,
},
.button_left_cmd = (Command_t){
.args = (void*)(&button_left_cmd_args),
.ret = (void*)(&button_left_cmd_return_val),
.command = &commandWrapper,
},
.button_right_cmd = (Command_t){
.args = (void*)(&button_right_cmd_args),
.ret = (void*)(&button_right_cmd_return_val),
.command = &commandWrapper,
},
.button_down_cmd = (Command_t){
.args = (void*)(&button_down_cmd_args),
.ret = (void*)(&button_down_cmd_return_val),
.command = &commandWrapper,
},
.handle = (InputHandler_t) {
.getInput = &getinput,
}
};
int main() {
// we have our input now we will handle it
handleInput(input_device);
return 0;
}