From a9119f4856bb747ef745df8c0957688b32063132 Mon Sep 17 00:00:00 2001
From: Andreas Neumann <andreas.neumann@tuhh.de>
Date: Fri, 19 Jan 2018 18:03:18 +0100
Subject: [PATCH] Added slider individualization

---
 settings.c | 50 ++++++++++++++++++++++++++++++++++++--------------
 settings.h |  5 +++++
 2 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/settings.c b/settings.c
index c4b2ff4..9749c4c 100644
--- a/settings.c
+++ b/settings.c
@@ -6,6 +6,14 @@
 
 #include "settings.h"
 
+#define Slider_min 410
+#define Slider_max 790
+#define Slider_height 120
+#define Scalar_width 20
+#define Scalar_height Slider_height
+#define Bar_width 400
+#define Bar_height Slider_height
+
 SDL_Texture* Setting_Texture;
 
 SDL_Rect Settings_rect;
@@ -16,19 +24,15 @@ Slider BT;
 bool Settings_IsInit=false;
 
 void Settings_Initialize (SDL_Renderer* renderer) {
-  BV.Scalar_rect = (SDL_Rect){.y=300,.x=590,.w=20,.h=100};
-  BS.Scalar_rect = (SDL_Rect){.y=500,.x=590,.w=20,.h=100};
-  BT.Scalar_rect = (SDL_Rect){.y=700,.x=590,.w=20,.h=100};
-  BV.Bar_rect = (SDL_Rect){.y = 300,.x = 400 , .w=400, .h=100};
-  BS.Bar_rect = (SDL_Rect){.y = 500,.x = 400, .w=400, .h=100};
-  BT.Bar_rect = (SDL_Rect){.y = 700,.x = 400, .w=400, .h=100};
+  Initialize_Slider(400,300,Scalar_width,Bar_width,Scalar_height,&BV);
+  Initialize_Slider(450,520,40,600,60,&BS);
+  Initialize_Slider(400,700,Scalar_width,Bar_width,Scalar_height,&BT);
   Setting_Texture = IMG_LoadTexture(renderer, "assets/images/settings_title.png");
   Settings_rect = (SDL_Rect){.x = 800, .y = 180, .w=313, .h=100};
   Settings_IsInit = true;
 }
 
 void Settings_Draw (SDL_Renderer* renderer) {
-  SDL_SetRenderDrawColor(renderer,255,255,255,255);
   SDL_RenderCopy(renderer, Setting_Texture, NULL, &Settings_rect);
   Draw_Slider(renderer,&BV);
   Draw_Slider(renderer,&BS);
@@ -43,24 +47,42 @@ void Settings_Deinitialize(){
 }
 
 void Draw_Slider(SDL_Renderer* renderer,Slider* beta){
+  SDL_SetRenderDrawColor(renderer,255,255,255,255);
   SDL_RenderDrawRect(renderer,&beta->Bar_rect);
   int x,y;
   Uint32 Mousestate=SDL_GetMouseState(&x,&y);
-  SDL_SetRenderDrawColor(renderer,255,255,255,255);
-  if(y<=((beta->Scalar_rect.y)+100)&&y>=(beta->Scalar_rect.y)&&x<=800&&x>=400&&(Mousestate & SDL_BUTTON(SDL_BUTTON_LEFT))){
+  if(y<=((beta->Scalar_rect.y)+(beta->h))&&y>=(beta->Scalar_rect.y)&&x<=(beta->bw+beta->x)&&x>=(beta->x)&&(Mousestate & SDL_BUTTON(SDL_BUTTON_LEFT))){
     SDL_RenderFillRect(renderer,&beta->Scalar_rect);
     SDL_RenderDrawRect(renderer,&beta->Scalar_rect);
-    if(x>790){
-      beta->Scalar_rect.x=780;
+    if(x>(beta->x+beta->bw-(beta->sw)/2)){
+      beta->Scalar_rect.x=(beta->x+beta->bw-(beta->sw)/2)-(beta->Scalar_rect.w)/2;
+      beta->Slider_value=(beta->x+beta->bw-(beta->sw)/2);
     }
-    else if(x<410){
-      beta->Scalar_rect.x=400;
+    else if(x<beta->x+(beta->sw)/2){
+      beta->Scalar_rect.x=beta->x;
+      beta->Slider_value=beta->x+(beta->sw)/2;
     }
     else{
-      beta->Scalar_rect.x=x-10;
+      beta->Scalar_rect.x=x-(beta->Scalar_rect.w/2);
+      beta->Slider_value=x;
     }
   }
   else{
     SDL_RenderDrawRect(renderer,&beta->Scalar_rect);
+    printf("%f",beta->Slider_value);
   }
 }
+
+void mapping(int *px,int *py,Slider* beta){
+
+}
+
+void Initialize_Slider(int x,int y,int sw,int bw,int h,Slider* beta){
+  beta->Scalar_rect = (SDL_Rect){.x=x,.y=y,.w=sw,.h=h};
+  beta->Bar_rect =  (SDL_Rect){.x=x,.y=y,.w=bw,.h=h};
+  beta->x=x;
+  beta->y=y;
+  beta->sw=sw;
+  beta->bw=bw;
+  beta->h=h;
+}
diff --git a/settings.h b/settings.h
index 2da000b..6bcd66b 100644
--- a/settings.h
+++ b/settings.h
@@ -11,6 +11,7 @@
 typedef struct sliderstruct {
   SDL_Rect Bar_rect;
   SDL_Rect Scalar_rect;
+  int x,y,bw,sw,h;
   double Slider_value,min,max;
 } Slider;
 
@@ -22,4 +23,8 @@ void Settings_Deinitialize();
 
 void Draw_Slider(SDL_Renderer* renderer,Slider* beta);
 
+void mapping(int *px,int *py,Slider* beta);
+
+void Initialize_Slider(int x,int y,int sw,int bw,int h,Slider* beta);
+
 #endif