From 5d78cf0b61564552789af82529220167d561e5d7 Mon Sep 17 00:00:00 2001
From: Ashish Gupta <ashmew2@gmail.com>
Date: Mon, 25 Sep 2017 00:07:06 +0200
Subject: Improve mouse/keypress handling

---
 src/surface/kolibri.c | 55 +++++++++++++++++++++------------------------------
 1 file changed, 23 insertions(+), 32 deletions(-)

diff --git a/src/surface/kolibri.c b/src/surface/kolibri.c
index f39fc44..6a7b2dc 100644
--- a/src/surface/kolibri.c
+++ b/src/surface/kolibri.c
@@ -124,7 +124,7 @@ unsigned kolibri_mouse_get_relative(void)
 unsigned kolibri_mouse_get_buttonpress(void)
 {
 	unsigned error;
-	__asm__ __volatile__ ("int $0x40":"=a"(error):"a"(37), "b"(2));
+	__asm__ __volatile__ ("int $0x40":"=a"(error):"a"(37), "b"(3));
 	return error;
 }
 
@@ -237,6 +237,7 @@ static int kolibri_surface_initialise(nsfb_t *nsfb)
 	kolibri_redraw(nsfb);
 
 	/* This is for setting flags for MCALL 40 for events read by a window */
+
 	kolibri_set_wanted_events(EVENT_REDRAW |
 		EVENT_KEY |
 		EVENT_BUTTON |
@@ -309,7 +310,6 @@ int scan2key(int scan)
 	if (keycode == 0x31) return NSFB_KEY_n;
 	if (keycode == 0x32) return NSFB_KEY_m;
 
-	/* TODO: Add a TAB Key here to cycle through fields */
 	if (keycode == 0x27) return NSFB_KEY_SEMICOLON;
 	if (keycode == 0x28) return NSFB_KEY_QUOTEDBL;
 	if (keycode == 0x2B) return NSFB_KEY_BACKSLASH;
@@ -326,10 +326,13 @@ int scan2key(int scan)
 
 	if (keycode == 0x1C) return NSFB_KEY_RETURN;
 
+	if (keycode == 0xE047) return NSFB_KEY_HOME;
 	if (keycode == 0xE04B) return NSFB_KEY_LEFT;
 	if (keycode == 0xE04D) return NSFB_KEY_RIGHT;
+	if (keycode == 0xE04F) return NSFB_KEY_END;
 	if (keycode == 0xE048) return NSFB_KEY_UP;
 	if (keycode == 0xE050) return NSFB_KEY_DOWN;
+	if (keycode == 0xE053) return NSFB_KEY_DELETE;
 
 	if (keycode == 0x3F) return NSFB_KEY_F5;
 
@@ -347,6 +350,9 @@ int scan2key(int scan)
 	if (keycode == 0xE049) return NSFB_KEY_PAGEUP;
 	if (keycode == 0xE051) return NSFB_KEY_PAGEDOWN;
 
+	if (keycode == 0xF) return NSFB_KEY_TAB;
+
+    debug_board_printf("[libnsfb] UNKNOWN keycode = 0x%x\n", keycode);
 	return NSFB_KEY_UNKNOWN;
 
 }
@@ -431,47 +437,32 @@ static bool kolibri_surface_input(nsfb_t *nsfb, nsfb_event_t *event,
 		}
 		else if (previous_mouse_buttons != b) {
 			unsigned diff = previous_mouse_buttons^b;
-			/* All high bits in the XOR represent bits that
-			   changed */
+			/* All high bits in the XOR represent bits that changed */
 
-			if (diff & EVENT_REDRAW) {
+			if (diff & 0x1) {
 				/* Left mouse button */
 				event->value.keycode = NSFB_KEY_MOUSE_1;
-				if (b & EVENT_REDRAW) {
+                /* debug_board_printf("-- Mouse LEFT button : 0x%x\n", b); */
+
+				if (b & 0x0100) {
 					event->type = NSFB_EVENT_KEY_DOWN;
-				} else {
+				} else if (b & 0x10000) {
 					event->type = NSFB_EVENT_KEY_UP;
 				}
-			} else if (diff & EVENT_KEY) {
+			} else if (diff & 0x2) {
 				 /* Right mouse button */
 				event->value.keycode = NSFB_KEY_MOUSE_3;
-				if (b & EVENT_KEY) {
+				if (b & 0x0200) {
 					event->type = NSFB_EVENT_KEY_DOWN;
-				} else {
+				} else if (b & 0x20000) {
 					event->type = NSFB_EVENT_KEY_UP;
 				}
-			} else if (diff & EVENT_BUTTON) {
+			} else if (diff & 0x4) {
 				/* Middle mouse button */
 				event->value.keycode = NSFB_KEY_MOUSE_2;
-				if (b & EVENT_BUTTON) {
-					event->type = NSFB_EVENT_KEY_DOWN;
-				} else {
-					event->type = NSFB_EVENT_KEY_UP;
-				}
-			} else if (diff & EVENT_END_REQUEST) {
-				/* 4th mouse button (forward) */
-				event->value.keycode = NSFB_KEY_MOUSE_4;
-				if (b & EVENT_END_REQUEST) {
-					event->type = NSFB_EVENT_KEY_DOWN;
-				} else {
-					event->type = NSFB_EVENT_KEY_UP;
-				}
-			} else if (diff & EVENT_DESKTOP_BACK_DRAW) {
-				/* 5th mouse button (back) */
-				event->value.keycode = NSFB_KEY_MOUSE_5;
-				if (b & EVENT_DESKTOP_BACK_DRAW) {
+				if (b & 0x0400) {
 					event->type = NSFB_EVENT_KEY_DOWN;
-				} else {
+				} else if (b & 0x40000) {
 					event->type = NSFB_EVENT_KEY_UP;
 				}
 			} else {
@@ -479,15 +470,15 @@ static bool kolibri_surface_input(nsfb_t *nsfb, nsfb_event_t *event,
 				char diffstr[40];
 				sprintf(diffstr, "Unhandled case."
 					"Previous_mouse_buttons^b is :"
-					"%u", diff);
+					"0x%x\n", diff);
 
 				debug_board_write_str(diffstr);
 			}
 			previous_mouse_buttons = b;
 		}
 		else if (s != 0) {
-			short int vert = s & 0xffff;
-			short int hori = s >> 16;
+			int16_t vert = s & 0xffff;
+			int16_t hori = s >> 16;
 
 			event->type = NSFB_EVENT_KEY_DOWN;
 
-- 
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