alema/ugui.c3l
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This commit is contained in:
Alessandro Mauri 2022-12-06 20:49:34 +01:00
parent 056c622895
commit 2abac02c52
5 changed files with 468 additions and 54 deletions
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48
ugui.h
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@ -29,7 +29,7 @@ typedef enum {
typedef struct {
ug_id_t id;
ug_unit_t unit;
ug_rect_t rect;
ug_rect_t rect, rect_abs;
ug_vec2_t max_size;
unsigned int flags;
} ug_container_t;
@ -57,6 +57,7 @@ typedef struct {
ug_color_t bg_color;
struct {
ug_size_t t, b, l, r;
ug_color_t color;
} border;
// titlebar only gets applied to movable containers
struct {
@ -91,13 +92,30 @@ typedef struct {
} ug_style_t;
// render commands
typedef struct {
unsigned int type;
union {
struct {
int x, y, w, h;
ug_color_t color;
} rect;
};
} ug_cmd_t;
typedef enum {
UG_CMD_NULL = 0,
UG_CMD_RECT,
} ug_cmd_type_t;
// mouse buttons
enum {
UG_BTN_LEFT = BIT(1),
UG_BTN_LEFT = BIT(0),
UG_BTN_MIDDLE = BIT(1),
UG_BTN_RIGHT = BIT(1),
UG_BTN_4 = BIT(1),
UG_BTN_5 = BIT(1),
UG_BTN_RIGHT = BIT(2),
UG_BTN_4 = BIT(3),
UG_BTN_5 = BIT(4),
};
// context
@ -116,6 +134,7 @@ typedef struct {
// which context and element we are hovering
struct {
ug_id_t cnt, elem;
ug_id_t cnt_last, elem_last;
} hover;
// the id of the "active" element, active means different things for
// different elements, for exaple active for a button means to be pressed,
@ -147,12 +166,13 @@ typedef struct {
char input_text[32];
// stacks
UG_STACK(ug_container_t) cnt_stack;
UG_STACK(ug_cmd_t) cmd_stack;
} ug_ctx_t;
// context initialization
ug_ctx_t *ug_new_ctx(void);
void ug_free_ctx(ug_ctx_t *ctx);
ug_ctx_t *ug_ctx_new(void);
void ug_ctx_free(ug_ctx_t *ctx);
// updates the context with user information
int ug_ctx_set_displayinfo(ug_ctx_t *ctx, float scale, float ppi);
int ug_ctx_set_drawableregion(ug_ctx_t *ctx, ug_vec2_t size);
@ -177,7 +197,19 @@ int ug_container_sidebar(ug_ctx_t *ctx, const char *name, int width);
// be resized
int ug_container_body(ug_ctx_t *ctx, const char *name);
// Input functions
int ug_input_mousemove(ug_ctx_t *ctx, int x, int y);
int ug_input_mousedown(ug_ctx_t *ctx, unsigned int mask);
int ug_input_mouseup(ug_ctx_t *ctx, unsigned int mask);
int ug_input_scroll(ug_ctx_t *ctx, int x, int y);
// TODO: other input functions
// Frame handling
int ug_frame_begin(ug_ctx_t *ctx);
int ug_frame_end(ug_ctx_t *ctx);
#undef UG_STACK
#undef BIT
#endif
#endif