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ui delta mouse, dragging scroller

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This commit is contained in:
Krzosa Karol
2025-01-13 11:11:10 +01:00
parent b4d3f20cad
commit 8c25a7f39c
7 changed files with 60 additions and 16 deletions
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24
src/wasm_app/ui.c
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@@ -113,13 +113,14 @@ fn ui_box_t *ui_build_box_from_string(ui_code_loc_t loc, s8_t string, ui_box_fla
}
fn ui_signal_t ui_signal_from_box(ui_box_t *box) {
ui_signal_t result = {0};
ui_signal_t result = {box};
app_event_t *ev = ui->event;
b32 move = ev->kind == app_event_kind_mouse_move;
b32 inside = r2f32_contains(box->rect, ev->mouse_pos);
if (ui_is_active_box(box)) {
result.dragging = true;
if (ev_left_up(ev)) {
if (ui_is_hot_box(box)) {
result.clicked = true;
@@ -197,6 +198,20 @@ fn ui_box_t *ui_pop_parent(void) {
return top;
}
fn ui_box_t *ui_spacer(ui_code_loc_t loc, ui_size_t x, ui_size_t y) {
ui_box_t *box = ui_build_box_from_id(loc, ui_null_id, flag2(ui_box_flag_draw_rect, ui_box_flag_draw_border));
ui_set_semantic_size(box, x, y);
return box;
}
fn ui_signal_t ui_scroller_button(ui_code_loc_t loc, ui_size_t x, ui_size_t y) {
ui_id_t id = ui_gen_id(flag2(ui_id_strategy_use_code_loc, ui_id_strategy_use_string), loc, s8_lit("spacer"));
ui_box_t *box = ui_build_box_from_id(loc, id, flag3(ui_box_flag_draw_scroller, ui_box_flag_draw_rect, ui_box_flag_draw_border));
ui_set_semantic_size(box, x, y);
ui_signal_t signal = ui_signal_from_box(box);
return signal;
}
fn ui_box_t *ui_push_container(ui_code_loc_t loc, ui_size_t x, ui_size_t y) {
ui_box_t *box = ui_build_box_from_id(loc, ui_null_id, flag2(ui_box_flag_draw_rect, ui_box_flag_draw_border));
ui_push_top(box);
@@ -267,8 +282,10 @@ fn void ui_draw(void) {
// compute standalone sizes: (pixels, text_content)
for (ui_preorder_iter_t it = ui_iterate_preorder(ui->root); ui_preorder_iter_is_valid(it); ui_iter_advance_preorder(&it)) {
ui_box_t *box = it.box;
if (box == ui->root) continue; // @todo: remove somehow
for (ui_axis2_t axis = 0; axis < ui_axis2_count; axis += 1) {
ui_size_t sem = box->semantic_size[axis];
assert(sem.kind != ui_size_kind_null);
if (sem.kind == ui_size_kind_pixels) {
box->computed_size[axis] = sem.value;
} else if (sem.kind == ui_size_kind_text_content) {
@@ -284,7 +301,7 @@ fn void ui_draw(void) {
for (ui_axis2_t axis = 0; axis < ui_axis2_count; axis += 1) {
ui_size_t sem = box->semantic_size[axis];
if (sem.kind == ui_size_kind_percent_of_parent) {
assert(sem.value >= 0 && sem.value <= 100.0);
// assert(sem.value >= 0 && sem.value <= 100.0);
assert(parent->semantic_size[axis].kind == ui_size_kind_pixels ||
parent->semantic_size[axis].kind == ui_size_kind_text_content ||
parent->semantic_size[axis].kind == ui_size_kind_percent_of_parent);
@@ -356,5 +373,8 @@ fn void ui_draw(void) {
if (is_flag_set(box->flags, ui_box_flag_draw_text)) {
rn_draw_string(font, box->rect.min, black_color_global, box->string);
}
if (is_flag_set(box->flags, ui_box_flag_draw_scroller)) {
rn_draw_string(font, box->rect.min, black_color_global, s8_lit("s"));
}
}
}