From fbe631b4b420859875e7cd9bed97ec13d136ca74 Mon Sep 17 00:00:00 2001
From: Alessandro Mauri <alemauri001@gmail.com>
Date: Thu, 30 Jan 2025 18:36:47 +0100
Subject: [PATCH] better sprites
---
src/main.c3 | 16 ++++++++++++----
src/ugui_core.c3 | 7 ++++---
src/ugui_input.c3 | 16 +++++++++++++++-
src/ugui_sprite.c3 | 32 ++++++++++++++++++++++++++++----
4 files changed, 59 insertions(+), 12 deletions(-)
diff --git a/src/main.c3 b/src/main.c3
index a5cad6f..cdd65cb 100644
--- a/src/main.c3
+++ b/src/main.c3
@@ -80,6 +80,8 @@ fn int main(String[] args)
{
ugui::Ctx ui;
ui.init()!!;
+ defer ui.free();
+
ui.load_font("font1", "resources/hack-nerd.ttf", 16)!!;
ui.sprite_atlas_create("icons", AtlasType.ATLAS_RGBA32, 512, 512)!!;
ui.import_sprite_file_qoi("tux", "resources/tux.qoi")!!;
@@ -122,7 +124,12 @@ fn int main(String[] args)
io::printfn("%s", k);
} while (k != 0);
*/
- for (int c; (c = rl::get_char_pressed()) != 0;) {
+ ugui::ModKeys mod;
+ mod.rctrl = rl::is_key_pressed(rl::KEY_RIGHT_CONTROL);
+ mod.lctrl = rl::is_key_pressed(rl::KEY_LEFT_CONTROL);
+ ui.input_mod_keys(mod);
+
+ for (int c; (c = rl::get_key_pressed()) != 0;) {
int[1] ts;
ts[0] = c;
ui.input_text_unicode(ts[..]);
@@ -153,6 +160,8 @@ fn int main(String[] args)
/* Start UI Handling */
ui.frame_begin()!!;
+ if (ui.check_key_combo(ugui::KMOD_CTRL, "q")) break;
+
// main div, fill the whole window
ui.div_begin("main", ugui::Rect{.w=-100})!!;
{|
@@ -179,12 +188,12 @@ fn int main(String[] args)
ui.slider_ver("slider_a", ugui::Rect{0,0,30,100}, &af)!!;
ui.layout_next_column()!!;
- ui.text_unbounded("text1", "Ciao Mamma\nAbilità ⚡")!!;
+ ui.text_unbounded("text1", "Ciao Mamma\nAbilità ⚡\n'\udb80\udd2c'")!!;
ui.layout_next_column()!!;
ui.button_label("Continua!")!!;
|};
- ui.draw_sprite("tux")!!;
+ ui.draw_sprite("sprite1", "tux")!!;
ui.div_end()!!;
ui.div_begin("second", ugui::DIV_FILL, scroll_x: true, scroll_y: true)!!;
@@ -303,7 +312,6 @@ fn int main(String[] args)
rl::close_window();
- ui.free();
return 0;
}
diff --git a/src/ugui_core.c3 b/src/ugui_core.c3
index e2b9a0e..90d0fbe 100644
--- a/src/ugui_core.c3
+++ b/src/ugui_core.c3
@@ -17,6 +17,7 @@ enum ElemType {
ETYPE_BUTTON,
ETYPE_SLIDER,
ETYPE_TEXT,
+ ETYPE_SPRITE,
}
bitstruct ElemFlags : uint {
@@ -47,6 +48,7 @@ struct Elem {
ElemButton button;
ElemSlider slider;
ElemText text;
+ ElemSprite sprite;
}
}
@@ -324,7 +326,7 @@ fn ElemEvents Ctx.get_elem_events(&ctx, Elem *elem)
{
bool hover = ctx.is_hovered(elem);
bool focus = ctx.focus_id == elem.id || (hover && ctx.is_mouse_pressed(BTN_LEFT));
-
+
if (ctx.is_mouse_pressed(BTN_ANY) && !hover){
focus = false;
if (ctx.focus_id == elem.id) ctx.focus_id = 0;
@@ -332,7 +334,7 @@ fn ElemEvents Ctx.get_elem_events(&ctx, Elem *elem)
if (hover) { ctx.hover_id = elem.id; }
if (focus) { ctx.focus_id = elem.id; }
-
+
ElemEvents ev = {
.mouse_hover = hover,
.mouse_press = hover && focus && ctx.is_mouse_pressed(BTN_ANY),
@@ -341,4 +343,3 @@ fn ElemEvents Ctx.get_elem_events(&ctx, Elem *elem)
};
return ev;
}
-
diff --git a/src/ugui_input.c3 b/src/ugui_input.c3
index b01d383..fdfa9e3 100644
--- a/src/ugui_input.c3
+++ b/src/ugui_input.c3
@@ -3,7 +3,7 @@ module ugui;
import grapheme;
import std::io;
import std::math;
-
+import std::core::string;
bitstruct InputEvents : uint {
bool resize : 0; // window size was changed
@@ -58,6 +58,20 @@ const MouseButtons BTN_5 = {.btn_5 = true};
const ModKeys KEY_ANY = (ModKeys)(ModKeys.inner.max);
+fn bool Ctx.check_key_combo(&ctx, ModKeys mod, String key)
+{
+ bool is_mod = (bool)(ctx.input.keyboard.down & mod);
+ bool is_keys = true;
+ String haystack = (String)ctx.input.keyboard.text[0..ctx.input.keyboard.text_len];
+ char[2] needle;
+ foreach (c: key) {
+ needle[0] = c;
+ is_keys = is_keys && haystack.contains((String)needle[..]);
+ }
+ io::printfn("%b %b", is_mod, is_keys);
+ return is_mod && is_keys;
+}
+
// Window size was changed
fn void! Ctx.input_window_size(&ctx, short width, short height)
{
diff --git a/src/ugui_sprite.c3 b/src/ugui_sprite.c3
index aff0649..ce4cabb 100644
--- a/src/ugui_sprite.c3
+++ b/src/ugui_sprite.c3
@@ -21,6 +21,9 @@ struct SpriteAtlas {
bool should_update;
}
+struct ElemSprite {
+ Id id;
+}
// name: some examples are "icons" or "images"
fn void! SpriteAtlas.init(&this, String name, AtlasType type, ushort width, ushort height)
@@ -118,13 +121,34 @@ fn void! Ctx.import_sprite_file_qoi(&ctx, String name, String path)
ctx.sprite_atlas.insert(name, pixels, (ushort)w, (ushort)h, (ushort)w)!;
}
-// FIXME: test function, very different from every other function here
-fn void! Ctx.draw_sprite(&ctx, String name)
+fn void! Ctx.draw_sprite(&ctx, String label, String name, Point off = {0,0})
{
+ Id id = ctx.gen_id(label)!;
+
+ Elem *parent = ctx.get_parent()!;
+ Elem *elem = ctx.get_elem(id)!;
+ // add it to the tree
+ ctx.tree.add(id, ctx.active_div)!;
+
+ if (elem.flags.is_new) {
+ elem.type = ETYPE_SPRITE;
+ } else if (elem.type != ETYPE_SPRITE) {
+ return UgError.WRONG_ELEMENT_TYPE?;
+ }
+
Sprite* sprite = ctx.sprite_atlas.get(name)!;
- Rect bounds = { 100, 100, sprite.w, sprite.h };
+
Rect uv = { sprite.u, sprite.v, sprite.w, sprite.h };
+ Rect bounds = { 0, 0, sprite.w, sprite.h };
+
+ elem.bounds = ctx.position_element(parent, bounds.off(off), true);
+ elem.sprite.id = ctx.get_sprite_atlas_id(name);
+
+ // if the bounds are null the element is outside the div view,
+ // no interaction should occur so just return
+ if (elem.bounds.is_null()) return;
+
Id tex_id = ctx.sprite_atlas.id;
- return ctx.push_sprite(bounds, uv, tex_id)!;
+ return ctx.push_sprite(elem.bounds, uv, tex_id)!;
}