From a05d3ad97d513c03d671059a5bae18487af23e24 Mon Sep 17 00:00:00 2001
From: Adam NAILI
Date: Fri, 22 Dec 2017 18:31:33 +0100
Subject: Updating doc of button, implementing button_is_selected,
 button_print, button_click_test (debug click handling), button_init

---
 include/gui/button.h | 49 ++++++++++++++++++++++++++++++++++++++++++---
 src/gui/button.c     | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 test/gui/button.c    |  4 ++++
 3 files changed, 106 insertions(+), 3 deletions(-)
 create mode 100644 src/gui/button.c
 create mode 100644 test/gui/button.c

diff --git a/include/gui/button.h b/include/gui/button.h
index fda83e9..6f91e37 100644
--- a/include/gui/button.h
+++ b/include/gui/button.h
@@ -5,17 +5,23 @@
  * File: button.h
  * Buttons handling
  */
-#include "window.h"
+
+#include <stdbool.h>
+#include "component.h"
 
 /**
  * Struct: Button
  * Component that can be triggered by click to execute a specific action.
  *
  * Fields:
- *   component - component that will acted as a button thanks to a rightful initialization.
+ *   component - component that will acted as a button thanks to a rightful initialization
+ *   *label - title on the button
+ *   sizeInterligne - parameter that change padding of the button
  */
 typedef struct {
   Component component;
+  char *label;
+  int sizeInterligne;
 } Button;
 
 /**
@@ -25,8 +31,45 @@ typedef struct {
  * Parameters:
  *  *button - pointer to the input button
  *  text - label for the button
+ *  sizeInterligne - parameter to initialize padding inside the button
+ *  x_pos - position of the button on x axis
+ *  y_pos - position of the button on y axis
+ *  clickHandler - pointer of function that will be loaded inside our button to perform its purpose
+ */
+void button_init(Button *button, const char *text, int sizeInterligne, int x_pos, int y_pos, ClickHandler clickHandler);
+
+/**
+ * Function: button_print
+ * Prints the button.
+ *
+ * Parameters:
+ *  *parameterSelf - pointer to the button
+ */
+void button_print(Component *parameterSelf);
+
+/**
+ * Function: button_click_test
+ * Debug function to test if the click is working on the current button.
+ *
+ * Parameters:
+ *  x - position of the click on x axis
+ *  y - position of the click on y axis
+ *  *parameterSelf - pointer on the button that is clicked
  */
-void button_init(Button *button, char *text);
+void button_click_test(int x, int y, Component *parameterSelf);
 
+/**
+ * Function: button_is_selected
+ * Checks if the button is selected or not.
+ *
+ * Parameters:
+ *  x - position in x for the check
+ *  y - position in y for the check
+ *  *button - pointer to the current button
+ *
+ * Returns:
+ *  A bool from stdbool
+ */
+bool button_is_selected(int x, int y, Button *button);
 
 #endif
diff --git a/src/gui/button.c b/src/gui/button.c
new file mode 100644
index 0000000..fbdc172
--- /dev/null
+++ b/src/gui/button.c
@@ -0,0 +1,56 @@
+#include <gui/button.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <common/mem.h>
+#include <string.h>
+#include <MLV/MLV_all.h>
+#include <gui/component.h>
+
+
+bool button_is_selected(int x, int y, Button *button) {
+  assert(x >= 0);
+  assert(y >= 0);
+  assert(button != NULL);
+  int x1 = button->component.x_pos;
+  int y1 = button->component.y_pos;
+  int x2 = button->component.x_pos + button->component.width;
+  int y2 = button->component.y_pos + button->component.height;
+  if (x >= x1 && x <= x2 && y >= y1 && y <= y2) {
+    return true;
+  }
+  return false;
+}
+
+void button_print(Component *parameterSelf) {
+  assert(parameterSelf != NULL);
+  Button *self = (Button *) parameterSelf;
+  MLV_draw_adapted_text_box(self->component.x_pos, self->component.y_pos, self->label, self->sizeInterligne,
+                            MLV_COLOR_BLACK, MLV_COLOR_WHITE, MLV_COLOR_DARK_GREY, MLV_TEXT_CENTER);
+}
+
+void button_click_test(int x, int y, Component *parameterSelf) {
+  assert(x >= 0);
+  assert(y >= 0);
+  assert(parameterSelf != NULL);
+  Button *self = (Button *) parameterSelf;
+  if (button_is_selected(x, y, self)) {
+    printf("OK\n");
+  }
+}
+
+void
+button_init(Button *button, const char *text, int sizeInterligne, int x_pos, int y_pos, ClickHandler clickHandler) {
+  assert(button != NULL);
+  assert(text != NULL);
+  assert(sizeInterligne >= 0);
+  assert(x_pos >= 0);
+  assert(y_pos >= 0);
+  button->label = malloc_or_die(sizeof(char) * (strlen(text) + 1));
+  strcpy(button->label, text);
+  button->sizeInterligne = sizeInterligne;
+  MLV_get_size_of_adapted_text_box(text, sizeInterligne, &button->component.width, &button->component.height);
+  button->component.x_pos = x_pos;
+  button->component.y_pos = y_pos;
+  button->component.print_method = button_print;
+  button->component.click_handler = clickHandler;
+}
diff --git a/test/gui/button.c b/test/gui/button.c
new file mode 100644
index 0000000..58270ef
--- /dev/null
+++ b/test/gui/button.c
@@ -0,0 +1,4 @@
+//
+// Created by adam on 16/12/17.
+//
+
-- 
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