Added basic PS/2 mouse support

2 files changed, 30 insertions, 0 deletions

diff --git a/src/kernel/graphics/vesa.c b/src/kernel/graphics/vesa.c
index 639ec2b..eb70583 100644
--- a/src/kernel/graphics/vesa.c
+++ b/src/kernel/graphics/vesa.c
@@ -341,6 +341,14 @@ void vesa_draw_number(int n) {
     vesa_draw_string(itoa(n, string));
 }
 
+void vesa_draw_cursor(int x, int y) {
+    if (x < 0) x = 0;
+    if (y < 0) y = 0;
+    if (x > vbe_width - 1) x = vbe_width - 1;
+    if (y > vbe_height - 1) y = vbe_height - 1;
+    vesa_draw_rectangle(x, y, x + font_width, y + font_height, terminal_color);
+}
+
 void vesa_set_color(uint32_t color) {
     vesa_convert_color(terminal_color, color);
     vesa_convert_color(terminal_background, default_background_color);
diff --git a/src/kernel/graphics/vesa.h b/src/kernel/graphics/vesa.h
index 8a16516..1e49cd0 100644
--- a/src/kernel/graphics/vesa.h
+++ b/src/kernel/graphics/vesa.h
@@ -118,6 +118,16 @@ void vbe_set_mode(unsigned short mode);
 void set_optimal_resolution();
 
 /**
+ * Draws a efficient rectangle
+ * @param x1 First X coordinate
+ * @param y1 First Y coordinate
+ * @param x2 Second X coordinate
+ * @param y2 Second Y coordinate
+ * @param color Rectangle color
+ */
+void vesa_draw_rectangle(int x1, int y1, int x2, int y2, const uint32_t color[3]);
+
+/**
  * Clears the screen with black
  */
 void vesa_clear();
@@ -153,6 +163,13 @@ void vesa_draw_string(const char *data);
 void vesa_draw_number(int n);
 
 /**
+ * Updates the cursor
+ * @param x The X position
+ * @param y The Y position
+ */
+void vesa_draw_cursor(int x, int y);
+
+/**
  * Sets the color using a rgb number
  * @param color The color
  */
@@ -187,6 +204,11 @@ enum vesa_color {
 const uint32_t default_text_color;
 
 /**
+ * The current text color (as normalized array)
+ */
+uint32_t terminal_color[3];
+
+/**
  * The current input
  */
 char text[1024];