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Add different return states for ui_noodle

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Abdelrahman Said 2024-02-25 20:52:25 +00:00
parent 373e48216d
commit a68d6997a5
2 changed files with 19 additions and 11 deletions
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13
include/ui.h
View File

@ -21,6 +21,8 @@
typedef enum ui_elem_type ui_elem_type;
typedef struct ui_elem ui_elem;
typedef struct ui_ctx ui_ctx;
typedef struct ui_elem_colours ui_elem_colours;
typedef enum noodle_action noodle_action;
enum ui_elem_type {
UI_ELEM_NODE,
@ -39,12 +41,17 @@ struct ui_elem {
ui_elem_type type;
};
typedef struct ui_elem_colours ui_elem_colours;
struct ui_elem_colours {
colour fill;
colour border;
};
enum noodle_action {
NOODLE_ACTION_NONE,
NOODLE_ACTION_DRAGGING,
NOODLE_ACTION_RELEASED,
};
struct ui_ctx {
u64 count;
i64 hovered;
@ -66,7 +73,7 @@ bool ui_button(const window *wnd, ui_ctx *ctx, rect rect,
ui_elem_colours colours);
bool ui_node(const window *wnd, ui_ctx *ctx, rect rect,
ui_elem_colours colours);
bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
rect parent_node);
noodle_action ui_noodle(const window *wnd, ui_ctx *ctx, line ln,
ui_elem_colours colours, rect parent_node);
#endif // !UI_H

17
src/ui.c
View File

@ -141,10 +141,10 @@ bool ui_node(const window *wnd, ui_ctx *ctx, rect rect,
return false;
}
bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
rect parent_node) {
noodle_action ui_noodle(const window *wnd, ui_ctx *ctx, line ln,
ui_elem_colours colours, rect parent_node) {
if (ctx->count + 1 >= MAX_UI_ELEMENTS) {
return false;
return NOODLE_ACTION_NONE;
}
u64 id = get_id(ctx);
@ -220,24 +220,25 @@ bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
}
if (wnd != ctx->wnd || (ctx->active >= 0 && ctx->active != id)) {
return false;
return NOODLE_ACTION_NONE;
}
if (ctx->mouse_up) {
if (ctx->hovered == ctx->active && ctx->hovered == id) {
ctx->hovered = ctx->active = -1;
return NOODLE_ACTION_RELEASED;
}
return true;
return NOODLE_ACTION_NONE;
}
if (ctx->hovered == id && ctx->active == id) {
return true;
return NOODLE_ACTION_DRAGGING;
}
if (!aabb(bounding_box, ctx->mouse_x, ctx->mouse_y) ||
aabb(parent_node, ctx->mouse_x, ctx->mouse_y)) {
return false;
return NOODLE_ACTION_NONE;
}
ctx->hovered = id;
@ -246,7 +247,7 @@ bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
ctx->active = id;
}
return false;
return NOODLE_ACTION_NONE;
}
internal u64 get_id(ui_ctx *ctx) {