demo: Fix overview's nk_bool type usage

The overview demo uses some `nk_bool`s that are typed as `int`s. While things still do function, if you're using `NK_INCLUDE_STANDARD_BOOL`, it breaks compilation. This change fixes the `nk_bool`s to be actual `nk_bool`s.

demo/common/overview.c

@@ -2,13 +2,13 @@ static int
 overview(struct nk_context *ctx)
 {
     /* window flags */
-    static int show_menu = nk_true;
+    static nk_bool show_menu = nk_true;
     static nk_flags window_flags = NK_WINDOW_TITLE|NK_WINDOW_BORDER|NK_WINDOW_SCALABLE|NK_WINDOW_MOVABLE|NK_WINDOW_MINIMIZABLE;
     nk_flags actual_window_flags;
 
     /* popups */
     static enum nk_style_header_align header_align = NK_HEADER_RIGHT;
-    static int show_app_about = nk_false;
+    static nk_bool show_app_about = nk_false;
 
     ctx->style.window.header.align = header_align;
 
@@ -25,7 +25,7 @@ overview(struct nk_context *ctx)
             enum menu_states {MENU_DEFAULT, MENU_WINDOWS};
             static nk_size mprog = 60;
             static int mslider = 10;
-            static int mcheck = nk_true;
+            static nk_bool mcheck = nk_true;
             nk_menubar_begin(ctx);
 
             /* menu #1 */
@@ -35,7 +35,7 @@ overview(struct nk_context *ctx)
             {
                 static size_t prog = 40;
                 static int slider = 10;
-                static int check = nk_true;
+                static nk_bool check = nk_true;
                 nk_layout_row_dynamic(ctx, 25, 1);
                 if (nk_menu_item_label(ctx, "Hide", NK_TEXT_LEFT))
                     show_menu = nk_false;
@@ -141,10 +141,10 @@ overview(struct nk_context *ctx)
         if (nk_tree_push(ctx, NK_TREE_TAB, "Widgets", NK_MINIMIZED))
         {
             enum options {A,B,C};
-            static int checkbox_left_text_left;
-            static int checkbox_centered_text_right;
-            static int checkbox_right_text_right;
-            static int checkbox_right_text_left;
+            static nk_bool checkbox_left_text_left;
+            static nk_bool checkbox_centered_text_right;
+            static nk_bool checkbox_right_text_right;
+            static nk_bool checkbox_right_text_left;
             static int option_left;
             static int option_right;
             if (nk_tree_push(ctx, NK_TREE_NODE, "Text", NK_MINIMIZED))
@@ -261,7 +261,7 @@ overview(struct nk_context *ctx)
 
             if (nk_tree_push(ctx, NK_TREE_NODE, "Inactive", NK_MINIMIZED))
             {
-                static int inactive = 1;
+                static nk_bool inactive = 1;
                 nk_layout_row_dynamic(ctx, 30, 1);
                 nk_checkbox_label(ctx, "Inactive", &inactive);
 
@@ -269,7 +269,7 @@ overview(struct nk_context *ctx)
                 if (inactive) {
                     nk_widget_disable_begin(ctx);
                 }
-                    
+
                 if (nk_button_label(ctx, "button"))
                     fprintf(stdout, "button pressed\n");
 
@@ -282,7 +282,7 @@ overview(struct nk_context *ctx)
             {
                 if (nk_tree_push(ctx, NK_TREE_NODE, "List", NK_MINIMIZED))
                 {
-                    static int selected[4] = {nk_false, nk_false, nk_true, nk_false};
+                    static nk_bool selected[4] = {nk_false, nk_false, nk_true, nk_false};
                     nk_layout_row_static(ctx, 18, 100, 1);
                     nk_selectable_label(ctx, "Selectable", NK_TEXT_LEFT, &selected[0]);
                     nk_selectable_label(ctx, "Selectable", NK_TEXT_LEFT, &selected[1]);
@@ -294,7 +294,7 @@ overview(struct nk_context *ctx)
                 if (nk_tree_push(ctx, NK_TREE_NODE, "Grid", NK_MINIMIZED))
                 {
                     int i;
-                    static int selected[16] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};
+                    static nk_bool selected[16] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};
                     nk_layout_row_static(ctx, 50, 50, 4);
                     for (i = 0; i < 16; ++i) {
                         if (nk_selectable_label(ctx, "Z", NK_TEXT_CENTERED, &selected[i])) {
@@ -341,7 +341,7 @@ overview(struct nk_context *ctx)
                  */
                 static float chart_selection = 8.0f;
                 static int current_weapon = 0;
-                static int check_values[5];
+                static nk_bool check_values[5];
                 static float position[3];
                 static struct nk_color combo_color = {130, 50, 50, 255};
                 static struct nk_colorf combo_color2 = {0.509f, 0.705f, 0.2f, 1.0f};
@@ -602,7 +602,7 @@ overview(struct nk_context *ctx)
                 }
                 nk_tree_pop(ctx);
             }
-            
+
             if (nk_tree_push(ctx, NK_TREE_NODE, "Horizontal Rule", NK_MINIMIZED))
             {
                 nk_layout_row_dynamic(ctx, 12, 1);
@@ -713,8 +713,8 @@ overview(struct nk_context *ctx)
         if (nk_tree_push(ctx, NK_TREE_TAB, "Popup", NK_MINIMIZED))
         {
             static struct nk_color color = {255,0,0, 255};
-            static int select[4];
-            static int popup_active;
+            static nk_bool select[4];
+            static nk_bool popup_active;
             const struct nk_input *in = &ctx->input;
             struct nk_rect bounds;
 
@@ -883,9 +883,9 @@ overview(struct nk_context *ctx)
 
             if (nk_tree_push(ctx, NK_TREE_NODE, "Group", NK_MINIMIZED))
             {
-                static int group_titlebar = nk_false;
-                static int group_border = nk_true;
-                static int group_no_scrollbar = nk_false;
+                static nk_bool group_titlebar = nk_false;
+                static nk_bool group_border = nk_true;
+                static nk_bool group_no_scrollbar = nk_false;
                 static int group_width = 320;
                 static int group_height = 200;
 
@@ -911,7 +911,7 @@ overview(struct nk_context *ctx)
                 nk_layout_row_static(ctx, (float)group_height, group_width, 2);
                 if (nk_group_begin(ctx, "Group", group_flags)) {
                     int i = 0;
-                    static int selected[16];
+                    static nk_bool selected[16];
                     nk_layout_row_static(ctx, 18, 100, 1);
                     for (i = 0; i < 16; ++i)
                         nk_selectable_label(ctx, (selected[i]) ? "Selected": "Unselected", NK_TEXT_CENTERED, &selected[i]);
@@ -921,11 +921,12 @@ overview(struct nk_context *ctx)
             }
             if (nk_tree_push(ctx, NK_TREE_NODE, "Tree", NK_MINIMIZED))
             {
-                static int root_selected = 0;
-                int sel = root_selected;
+                static nk_bool root_selected = 0;
+                nk_bool sel = root_selected;
                 if (nk_tree_element_push(ctx, NK_TREE_NODE, "Root", NK_MINIMIZED, &sel)) {
-                    static int selected[8];
-                    int i = 0, node_select = selected[0];
+                    static nk_bool selected[8];
+                    int i = 0;
+                    nk_bool node_select = selected[0];
                     if (sel != root_selected) {
                         root_selected = sel;
                         for (i = 0; i < 8; ++i)
@@ -933,7 +934,7 @@ overview(struct nk_context *ctx)
                     }
                     if (nk_tree_element_push(ctx, NK_TREE_NODE, "Node", NK_MINIMIZED, &node_select)) {
                         int j = 0;
-                        static int sel_nodes[4];
+                        static nk_bool sel_nodes[4];
                         if (node_select != selected[0]) {
                             selected[0] = node_select;
                             for (i = 0; i < 4; ++i)
@@ -1061,7 +1062,7 @@ overview(struct nk_context *ctx)
                 nk_layout_space_begin(ctx, NK_STATIC, 500, 64);
                 nk_layout_space_push(ctx, nk_rect(0,0,150,500));
                 if (nk_group_begin(ctx, "Group_left", NK_WINDOW_BORDER)) {
-                    static int selected[32];
+                    static nk_bool selected[32];
                     nk_layout_row_static(ctx, 18, 100, 1);
                     for (i = 0; i < 32; ++i)
                         nk_selectable_label(ctx, (selected[i]) ? "Selected": "Unselected", NK_TEXT_CENTERED, &selected[i]);
@@ -1094,7 +1095,7 @@ overview(struct nk_context *ctx)
 
                 nk_layout_space_push(ctx, nk_rect(320,0,150,150));
                 if (nk_group_begin(ctx, "Group_right_top", NK_WINDOW_BORDER)) {
-                    static int selected[4];
+                    static nk_bool selected[4];
                     nk_layout_row_static(ctx, 18, 100, 1);
                     for (i = 0; i < 4; ++i)
                         nk_selectable_label(ctx, (selected[i]) ? "Selected": "Unselected", NK_TEXT_CENTERED, &selected[i]);
@@ -1103,7 +1104,7 @@ overview(struct nk_context *ctx)
 
                 nk_layout_space_push(ctx, nk_rect(320,160,150,150));
                 if (nk_group_begin(ctx, "Group_right_center", NK_WINDOW_BORDER)) {
-                    static int selected[4];
+                    static nk_bool selected[4];
                     nk_layout_row_static(ctx, 18, 100, 1);
                     for (i = 0; i < 4; ++i)
                         nk_selectable_label(ctx, (selected[i]) ? "Selected": "Unselected", NK_TEXT_CENTERED, &selected[i]);
@@ -1112,7 +1113,7 @@ overview(struct nk_context *ctx)
 
                 nk_layout_space_push(ctx, nk_rect(320,320,150,150));
                 if (nk_group_begin(ctx, "Group_right_bottom", NK_WINDOW_BORDER)) {
-                    static int selected[4];
+                    static nk_bool selected[4];
                     nk_layout_row_static(ctx, 18, 100, 1);
                     for (i = 0; i < 4; ++i)
                         nk_selectable_label(ctx, (selected[i]) ? "Selected": "Unselected", NK_TEXT_CENTERED, &selected[i]);
@@ -1307,4 +1308,3 @@ overview(struct nk_context *ctx)
     nk_end(ctx);
     return !nk_window_is_closed(ctx, "Overview");
 }
-