Add examples to overview, fix vararg versions

Author: rswinkle

demo/common/overview.c

@@ -842,9 +842,28 @@ overview(struct nk_context *ctx)
             /* tooltip */
             nk_layout_row_static(ctx, 30, 150, 1);
             bounds = nk_widget_bounds(ctx);
-            nk_label(ctx, "Hover me for tooltip", NK_TEXT_LEFT);
-            if (nk_input_is_mouse_hovering_rect(in, bounds))
-                nk_tooltip_positioned(ctx, "This is a tooltip", NK_BOTTOM_LEFT);
+            nk_label(ctx, "Hover for tooltip", NK_TEXT_LEFT);
+            if (nk_input_is_mouse_hovering_rect(in, bounds)) {
+                nk_tooltip(ctx, "This is a default tooltip");
+            }
+            bounds = nk_widget_bounds(ctx);
+            nk_label(ctx, "Chrome-like tooltip", NK_TEXT_LEFT);
+            if (nk_input_is_mouse_hovering_rect(in, bounds)) {
+                struct nk_vec2 offset = { 8, 8 };
+                nk_tooltip_pos_offset(ctx, "Chrome offsets just a bit", NK_TOP_LEFT, offset);
+            }
+            bounds = nk_widget_bounds(ctx);
+            nk_label(ctx, "Gnome-like tooltip", NK_TEXT_LEFT);
+            if (nk_input_is_mouse_hovering_rect(in, bounds)) {
+                struct nk_vec2 offset = { 0, -15 };
+                nk_tooltip_pos_offset(ctx, "Gnome centers with greater y offset", NK_BOTTOM_MIDDLE, offset);
+            }
+            bounds = nk_widget_bounds(ctx);
+            nk_label(ctx, "Bottom left tooltip", NK_TEXT_LEFT);
+            if (nk_input_is_mouse_hovering_rect(in, bounds)) {
+                struct nk_vec2 offset = { 0, 0 };
+                nk_tooltip_pos_offset(ctx, "Bottom left positioning", NK_BOTTOM_LEFT, offset);
+            }
 
             nk_tree_pop(ctx);
         }

nuklear.h

@@ -3832,6 +3832,8 @@ NK_API void nk_tooltip_pos_offset(struct nk_context *ctx, const char *text, enum
 #ifdef NK_INCLUDE_STANDARD_VARARGS
 NK_API void nk_tooltipf(struct nk_context*, NK_PRINTF_FORMAT_STRING const char*, ...) NK_PRINTF_VARARG_FUNC(2);
 NK_API void nk_tooltipfv(struct nk_context*, NK_PRINTF_FORMAT_STRING const char*, va_list) NK_PRINTF_VALIST_FUNC(2);
+NK_API void nk_tooltipf_pos_offset(struct nk_context*, enum nk_tooltip_pos, struct nk_vec2, NK_PRINTF_FORMAT_STRING const char*, ...) NK_PRINTF_VARARG_FUNC(4);
+NK_API void nk_tooltipfv_pos_offset(struct nk_context*, enum nk_tooltip_pos, struct nk_vec2, NK_PRINTF_FORMAT_STRING const char*, va_list) NK_PRINTF_VALIST_FUNC(4);
 #endif
 NK_API nk_bool nk_tooltip_begin(struct nk_context*, float width);
 NK_API nk_bool nk_tooltip_begin_pos_offset(struct nk_context*, float, enum nk_tooltip_pos, struct nk_vec2);
@@ -30765,6 +30767,14 @@ nk_tooltip(struct nk_context *ctx, const char *text)
 }
 #ifdef NK_INCLUDE_STANDARD_VARARGS
 NK_API void
+nk_tooltipf_pos_offset(struct nk_context *ctx, enum nk_tooltip_pos position, struct nk_vec2 offset, const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    nk_tooltipfv_pos_offset(ctx, position, offset, fmt, args);
+    va_end(args);
+}
+NK_API void
 nk_tooltipf(struct nk_context *ctx, const char *fmt, ...)
 {
     va_list args;
@@ -30773,6 +30783,13 @@ nk_tooltipf(struct nk_context *ctx, const char *fmt, ...)
     va_end(args);
 }
 NK_API void
+nk_tooltipfv_pos_offset(struct nk_context *ctx, enum nk_tooltip_pos position, struct nk_vec2 offset, const char *fmt, va_list args)
+{
+    char buf[256];
+    nk_strfmt(buf, NK_LEN(buf), fmt, args);
+    nk_tooltip_pos_offset(ctx, buf, position, offset);
+}
+NK_API void
 nk_tooltipfv(struct nk_context *ctx, const char *fmt, va_list args)
 {
     char buf[256];

src/nuklear.h

@@ -3609,6 +3609,8 @@ NK_API void nk_tooltip_pos_offset(struct nk_context *ctx, const char *text, enum
 #ifdef NK_INCLUDE_STANDARD_VARARGS
 NK_API void nk_tooltipf(struct nk_context*, NK_PRINTF_FORMAT_STRING const char*, ...) NK_PRINTF_VARARG_FUNC(2);
 NK_API void nk_tooltipfv(struct nk_context*, NK_PRINTF_FORMAT_STRING const char*, va_list) NK_PRINTF_VALIST_FUNC(2);
+NK_API void nk_tooltipf_pos_offset(struct nk_context*, enum nk_tooltip_pos, struct nk_vec2, NK_PRINTF_FORMAT_STRING const char*, ...) NK_PRINTF_VARARG_FUNC(4);
+NK_API void nk_tooltipfv_pos_offset(struct nk_context*, enum nk_tooltip_pos, struct nk_vec2, NK_PRINTF_FORMAT_STRING const char*, va_list) NK_PRINTF_VALIST_FUNC(4);
 #endif
 NK_API nk_bool nk_tooltip_begin(struct nk_context*, float width);
 NK_API nk_bool nk_tooltip_begin_pos_offset(struct nk_context*, float, enum nk_tooltip_pos, struct nk_vec2);

src/nuklear_tooltip.c

@@ -165,6 +165,14 @@ nk_tooltip(struct nk_context *ctx, const char *text)
 }
 #ifdef NK_INCLUDE_STANDARD_VARARGS
 NK_API void
+nk_tooltipf_pos_offset(struct nk_context *ctx, enum nk_tooltip_pos position, struct nk_vec2 offset, const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    nk_tooltipfv_pos_offset(ctx, position, offset, fmt, args);
+    va_end(args);
+}
+NK_API void
 nk_tooltipf(struct nk_context *ctx, const char *fmt, ...)
 {
     va_list args;
@@ -173,6 +181,13 @@ nk_tooltipf(struct nk_context *ctx, const char *fmt, ...)
     va_end(args);
 }
 NK_API void
+nk_tooltipfv_pos_offset(struct nk_context *ctx, enum nk_tooltip_pos position, struct nk_vec2 offset, const char *fmt, va_list args)
+{
+    char buf[256];
+    nk_strfmt(buf, NK_LEN(buf), fmt, args);
+    nk_tooltip_pos_offset(ctx, buf, position, offset);
+}
+NK_API void
 nk_tooltipfv(struct nk_context *ctx, const char *fmt, va_list args)
 {
     char buf[256];