menu

Index Commits Files Refs

commit b895dc97749d98449d47f4c7a4e9d55fa3de1a6a
parent 314530f9686530999bdf7fe68f45e730b4a7bf63
Author: klewer-martin <martin.cachari@gmail.com>
Date:   Wed, 20 Apr 2022 00:05:59 -0300

Added arrow keys and vim keys to go up/down

Now the menu supports UP/DOWN keys as well as J/K to select next or previous elements
respectively

Diffstat:
M
main.c
 | 
45
++++++++++++++++++++++++++++++---------------

1 file changed, 30 insertions(+), 15 deletions(-)
diff --git a/main.c b/main.c
@@ -11,26 +11,28 @@
 #define BAR_H 14
 #define BAR_BORDER 2
 
-#define TOTAL_ENTRIES 6
+#define TOTAL_ENTRIES 11
 #define ELEMENTS_PADDING 3
 
 #define NORM_COLOR 0x010101FF
 #define SEL_COLOR 0xCC0000FF
 
+#define WIN_DEFAULT_W    800
+#define WIN_DEFAULT_H    600
+
 #define UNHEX(color) \
     ((color) >> (8 * 3)) & 0xFF, \
     ((color) >> (8 * 2)) & 0xFF, \
     ((color) >> (8 * 1)) & 0xFF, \
     ((color) >> (8 * 0)) & 0xFF
 
-
 typedef struct Entry {
     char *text;
     bool selected;
     size_t index;
 } Entry;
 
-void next_selection(Entry entries[]) {
+void select_next(Entry entries[]) {
     for(int i = 0; i < TOTAL_ENTRIES; i++) {
         if(entries[i].selected == true) {
             entries[i].selected = false;
@@ -44,7 +46,7 @@ void next_selection(Entry entries[]) {
     }
 }
 
-void prev_selection(Entry entries[]) {
+void select_prev(Entry entries[]) {
     for(int i = 0; i < TOTAL_ENTRIES; i++) {
         if(entries[i].selected == true) {
             entries[i].selected = false;
@@ -140,24 +142,22 @@ int main (void) {
         "menu",
         SDL_WINDOWPOS_CENTERED,
         SDL_WINDOWPOS_CENTERED,
-        800,
-        600,
+        WIN_DEFAULT_W,
+        WIN_DEFAULT_H,
         SDL_WINDOW_RESIZABLE
     );
 
     rend = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
 
-    if (!win || !rend)
-        return 1;
-    else if(TTF_Init() == -1)
-        return 1;
+    if (!win || !rend) return 1;
+    else if(TTF_Init() == -1) return 1;
 
     font = TTF_OpenFont(FONT_NAME, FONT_SIZE);
 
     bool run = true;
     SDL_Event event;
-    win_w = 800;
-    win_h = 600;
+    win_w = WIN_DEFAULT_W;
+    win_h = WIN_DEFAULT_H;
 
     Entry entries[TOTAL_ENTRIES] = {0};
 
@@ -171,7 +171,12 @@ int main (void) {
     entries[2].text = "Insertion sort";
     entries[3].text = "Merge sort";
     entries[4].text = "Quick sort";
-    entries[5].text = "Shell sort";
+    entries[5].text = "Quick sort (dual pivots)";
+    entries[6].text = "Quick sort (LR pointers)";
+    entries[7].text = "Quick sort (LL pointers)";
+    entries[8].text = "Shell sort";
+    entries[9].text = "Radix sort";
+    entries[10].text = "Heap sort";
 
     entries[0].selected = true;
     SDL_Keymod mod;
@@ -185,13 +190,23 @@ int main (void) {
             case SDL_KEYDOWN:
                 /* printf("SDL_GetModState() == %X\n", SDL_GetModState()); */
                 switch(event.key.keysym.scancode) {
+                case SDL_SCANCODE_J:
+                case SDL_SCANCODE_DOWN:
+                    select_next(entries);
+                    break;
+                case SDL_SCANCODE_K:
+                case SDL_SCANCODE_UP:
+                    select_prev(entries);
+                    break;
                 case SDL_SCANCODE_TAB:
                     mod = SDL_GetModState();
                     if((mod == KMOD_LSHIFT) || (mod == KMOD_RSHIFT)) {
-                        prev_selection(entries);
+                        select_prev(entries);
                         break;
                     } else
-                        next_selection(entries);
+                        select_next(entries);
+                    break;
+                case SDL_SCANCODE_RETURN:
                     break;
                 default: break;
                 }