From cb857cfaa6dc8ec9bfb2f0039eae0eef62861288 Mon Sep 17 00:00:00 2001
From: Doyle Thai <dyl.thai@gmail.com>
Date: Wed, 17 Aug 2016 15:57:42 +1000
Subject: [PATCH] Reassign debug keys, backspace on textfield added

---
 src/WorldTraveller.c           | 38 +++++++++++++++++++++++++++-------
 src/dengine.c                  |  4 +++-
 src/include/Dengine/Platform.h |  1 +
 3 files changed, 34 insertions(+), 9 deletions(-)

diff --git a/src/WorldTraveller.c b/src/WorldTraveller.c
index 79f1a76..d3852f2 100644
--- a/src/WorldTraveller.c
+++ b/src/WorldTraveller.c
@@ -428,6 +428,13 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
 	   f (t) = (a/2)*t^2 + v*t + p, where p is a constant, old position
 	 */
 
+#ifdef DENGINE_DEBUG
+	DEBUG_PUSH_STRING("== Controls ==");
+	DEBUG_PUSH_STRING("    [: Spawn a mob");
+	DEBUG_PUSH_STRING("<TAB>: Switch UI element");
+	DEBUG_PUSH_STRING("<ESC>: Close program");
+#endif
+
 	World *const world = &state->world[state->currWorldIndex];
 	Entity *hero = &world->entities[entity_getIndex(world, world->heroId)];
 	v2 ddPos     = V2(0, 0);
@@ -504,11 +511,27 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
 			state->uiState.keyEntered = keycode_enter;
 		}
 
+		if (getKeyStatus(&keys[keycode_tab], readkeytype_delayedRepeat, 0.25f,
+		                 dt))
+		{
+			state->uiState.keyEntered = keycode_tab;
+		}
+
 		if (getKeyStatus(&keys[keycode_space], readkeytype_delayedRepeat, 0.25f,
 		                 dt))
 		{
-			state->uiState.keyEntered = keycode_space;
-			DEBUG_LOG("push space");
+			state->uiState.keyChar = keycode_space;
+		}
+
+		if (getKeyStatus(&keys[keycode_backspace], readkeytype_delayedRepeat,
+		                 0.1f, dt))
+		{
+			state->uiState.keyEntered = keycode_backspace;
+		}
+
+		if (getKeyStatus(&keys[keycode_left_square_bracket],
+		                 readkeytype_delayedRepeat, 0.25f, dt))
+		{
 
 			Renderer *renderer = &state->renderer;
 			f32 yPos = CAST(f32)(rand() % CAST(i32)renderer->size.h);
@@ -1030,7 +1053,7 @@ INTERNAL i32 button(UiState *uiState, AssetManager *assetManager,
 	{
 		switch (uiState->keyEntered)
 		{
-		case keycode_space:
+		case keycode_tab:
 			// Set focus to nothing and let next widget get focus
 			uiState->kbdItem = 0;
 			if (uiState->keyMod == keycode_leftShift)
@@ -1113,7 +1136,7 @@ INTERNAL i32 scrollBar(UiState *uiState, AssetManager *assetManager,
 	{
 		switch (uiState->keyEntered)
 		{
-		case keycode_space:
+		case keycode_tab:
 			uiState->kbdItem = 0;
 			if (uiState->keyMod == keycode_leftShift)
 				uiState->kbdItem = uiState->lastWidget;
@@ -1221,7 +1244,7 @@ INTERNAL i32 textField(UiState *const uiState, MemoryArena *arena,
 	{
 		switch (uiState->keyEntered)
 		{
-		case keycode_space:
+		case keycode_tab:
 			uiState->kbdItem = 0;
 			if (uiState->keyMod == keycode_leftShift)
 				uiState->kbdItem = uiState->lastWidget;
@@ -1232,8 +1255,7 @@ INTERNAL i32 textField(UiState *const uiState, MemoryArena *arena,
 		case keycode_backspace:
 			if (strLen > 0)
 			{
-				strLen--;
-				string[strLen] = 0;
+				string[--strLen] = 0;
 				changed        = TRUE;
 			}
 			break;
@@ -1538,7 +1560,7 @@ void worldTraveller_gameUpdateAndRender(GameState *state, f32 dt)
 	else if (state->uiState.activeItem == 0)
 		state->uiState.activeItem = -1;
 
-	if (state->uiState.keyEntered == keycode_space) state->uiState.kbdItem = 0;
+	if (state->uiState.keyEntered == keycode_tab) state->uiState.kbdItem = 0;
 	state->uiState.keyEntered = keycode_null;
 	state->uiState.keyChar    = keycode_null;
 
diff --git a/src/dengine.c b/src/dengine.c
index ded0d64..7dfd06e 100644
--- a/src/dengine.c
+++ b/src/dengine.c
@@ -7,7 +7,6 @@
 
 INTERNAL inline void processKey(KeyState *state, int action)
 {
-	// TODO(doyle): Handle GLFW_REPEAT, and probably remove this function
 	if (action == GLFW_PRESS || action == GLFW_RELEASE)
 	{
 		state->newHalfTransitionCount++;
@@ -47,6 +46,9 @@ INTERNAL void keyCallback(GLFWwindow *window, int key, int scancode, int action,
 	case GLFW_KEY_BACKSPACE:
 		processKey(&game->input.keys[keycode_backspace], action);
 		break;
+	case GLFW_KEY_TAB:
+		processKey(&game->input.keys[keycode_tab], action);
+		break;
 	default:
 		if (key >= ' ' && key <= '~')
 		{
diff --git a/src/include/Dengine/Platform.h b/src/include/Dengine/Platform.h
index a1101de..5366bd0 100644
--- a/src/include/Dengine/Platform.h
+++ b/src/include/Dengine/Platform.h
@@ -114,6 +114,7 @@ enum KeyCode
 	keycode_mouseLeft,
 	keycode_enter,
 	keycode_backspace,
+	keycode_tab,
 	keycode_count,
 	keycode_null,
 };