krzosa/wasm_transcript_browser
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ui begin text box

Browse Source
This commit is contained in:
Krzosa Karol
2025-01-23 09:51:16 +01:00
parent 157baab5b9
commit fdbc8490c4
4 changed files with 73 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/app/app_win32.c
View File

@@ -81,7 +81,7 @@ fn void w32_push_event(app_frame_t *frame, app_event_t event) {
}
fn void w32_push_wm_char_event(WPARAM wparam) {
if (wparam >= 32 || wparam == 127) return;
if (wparam <= 32 || wparam == 127) return;
s8_t string = s8_lit("?");
utf32_result_t encode = utf16_to_utf32((u16 *)&wparam, 1);

62
src/ui/ui.c
View File

@@ -193,6 +193,7 @@ fn ui_signal_t ui_signal_from_box(ui_box_t *box) {
}
} else if (ui_is_hot_box(box) && ev_left_down(ev)) {
ui->active = box->id;
ui->focus = box->id;
}
if (inside) {
@@ -204,6 +205,43 @@ fn ui_signal_t ui_signal_from_box(ui_box_t *box) {
return result;
}
fn void ui_text_input_draw(ui_box_t *box) {
v4f32_t background_color = box->background_color;
v4f32_t border_color = box->border_color;
r2f32_t rect = box->final_rect; // @todo: this or clipped?
rn_draw_rect(rect, background_color);
rn_draw_rect_border(rect, border_color, box->border_thickness);
s8_t string = s8(box->ti_buffer, box->ti_buffer_len);
v2f32_t string_size = rn_measure_string(rn_state.main_font, string);
v2f32_t rect_size = r2f32_get_size(rect);
v2f32_t rect_string_diff = v2f32_sub(rect_size, string_size);
v2f32_t center_pos = v2f32_divs(rect_string_diff, 2);
v2f32_t pos_in_rect = v2f32(0, center_pos.y);
if (box->text_align == ui_text_align_center) {
pos_in_rect = center_pos;
}
v2f32_t pos = v2f32_add(pos_in_rect, rect.min);
rn_draw_string(rn_state.main_font, pos, box->text_color, string);
}
fn ui_signal_t ui_text_input(ui_code_loc_t loc, char *buffer, i32 buffer_size) {
ui_box_t *box = ui_build_box_from_string(loc, (ui_box_flags_t){ .draw_border = true, .draw_rect = true, .draw_text = true }, s8_lit("text_input"));
box->custom_draw = ui_text_input_draw;
box->ti_buffer = buffer;
box->ti_buffer_cap = buffer_size;
ui_signal_t signal = ui_signal_from_box(box);
if (ui_is_focused_box(box)) {
app_event_t *ev = ui->event;
if (ev->kind == app_event_kind_text) {
for (i64 i = 0; i < ev->text.len; i += 1) {
box->ti_buffer[box->ti_buffer_len++] = ev->text.str[i];
}
}
}
return signal;
}
#define ui_button(...) ui__button(UILOC, __VA_ARGS__)
fn ui_signal_t ui__button(ui_code_loc_t loc, char *str, ...) {
S8_FMT(tcx.temp, str, string);
@@ -298,14 +336,11 @@ fn void ui_end_build(void) {
}
}
fn void ui__draw_box(app_frame_t *frame, ui_box_t *box) {
r2f32_t rect = box->full_rect;
box->final_rect = r2f32_intersect(box->full_rect, ui->clip_rect);
fn void ui_default_draw_box(ui_box_t *box) {
v4f32_t background_color = box->background_color;
v4f32_t text_color = box->text_color;
v4f32_t border_color = box->border_color;
r2f32_t rect = box->final_rect; // @todo: this or clipped?
if (ui_is_active_box(box)) {
f32 active_t = f32_ease_out_n(box->active_t, 50.f);
@@ -317,6 +352,9 @@ fn void ui__draw_box(app_frame_t *frame, ui_box_t *box) {
hot_t = f32_clamp01(hot_t);
background_color = v4f32_lerp(background_color, box->bg_hot_color, hot_t);
text_color = v4f32_lerp(background_color, box->text_hot_color, hot_t);
} else if (ui_is_focused_box(box)) {
background_color = v4f32_hsla_to_rgba((v4f32_t){0.1f, 0.6f, 0.95f, 1.0f});
text_color = v4f32_hsla_to_rgba((v4f32_t){0.1f, 0.6f, 0.7f, 1.0f});
}
@@ -338,6 +376,15 @@ fn void ui__draw_box(app_frame_t *frame, ui_box_t *box) {
v2f32_t pos = v2f32_add(pos_in_rect, rect.min);
rn_draw_string(rn_state.main_font, pos, text_color, box->string);
}
}
fn void ui__draw_box(app_frame_t *frame, ui_box_t *box) {
box->final_rect = r2f32_intersect(box->full_rect, ui->clip_rect);
if (box->custom_draw) {
box->custom_draw(box);
} else {
ui_default_draw_box(box);
}
r2f32_t prev_clip_rect = ui->clip_rect;
if (box->flags.clip_rect) {
@@ -616,6 +663,9 @@ fn void ui_demo_update(app_frame_t *frame, mt_tweak_t *tweak_table, i32 tweak_co
ui_set_text_align(ui_text_align_left)
ui_set_top(item_box) {
static char buff[128];
ui_text_input(UILOC, buff, sizeof(buff));
for (i32 i = 0; i < tweak_count; i += 1) {
mt_tweak_t *tweak = tweak_table + i;
if (s8_starts_with(tweak->name, s8_lit("_"), false)) {
@@ -638,6 +688,7 @@ fn void ui_demo_update(app_frame_t *frame, mt_tweak_t *tweak_table, i32 tweak_co
}
} else_is_invalid;
}
ui_label("allocated boxes: %d", ui->allocated_boxes);
ui_serial_type(&ui_test_event, type(app_event_t));
}
@@ -679,7 +730,6 @@ fn void ui_demo_update(app_frame_t *frame, mt_tweak_t *tweak_table, i32 tweak_co
rn_begin(frame, white_color);
ui_draw();
rn_draw_stringf(rn_state.main_font, v2f32(0, frame->window_size.y - rn_state.main_font->size), v4f32(0,0,0,1), "boxes: %d", ui->allocated_boxes);
rn_end();
ui_end_frame();

10
src/ui/ui.h
View File

@@ -1,3 +1,5 @@
typedef void ui_custom_draw_t(struct ui_box_t *box);
typedef struct ui_code_loc_t ui_code_loc_t;
struct ui_code_loc_t {
char *file;
@@ -54,6 +56,7 @@ struct ui_box_t {
ui_box_flags_t flags;
b8 created_new;
ui_custom_draw_t *custom_draw;
UI_DECL_BOX_MEMBERS
r2f32_t full_rect;
@@ -70,6 +73,11 @@ struct ui_box_t {
r2f32_t final_rect;
b32 expanded;
i32 ti_cursor;
char *ti_buffer;
i32 ti_buffer_len;
i32 ti_buffer_cap;
};
typedef struct ui_signal_t ui_signal_t;
@@ -100,6 +108,7 @@ struct ui_t {
// interaction
ui_id_t hot;
ui_id_t active;
ui_id_t focus;
// drawing
r2f32_t clip_rect;
@@ -115,6 +124,7 @@ fn b32 ui_is_null_id(ui_id_t id) { return id.value == 0; }
fn b32 ui_is_null_box(ui_box_t *box) { return box->id.value == 0; }
fn b32 ui_is_hot_box(ui_box_t *box) { return !ui_is_null_box(box) && box->id.value == ui->hot.value; }
fn b32 ui_is_active_box(ui_box_t *box) { return !ui_is_null_box(box) && box->id.value == ui->active.value; }
fn b32 ui_is_focused_box(ui_box_t *box) { return !ui_is_null_box(box) && box->id.value == ui->focus.value; }
#define ev_left(ev) ((ev)->mouse_button == app_mouse_button_left)
#define ev_left_up(ev) ((ev)->kind == app_event_kind_mouse_up && ev_left(ev))