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

Signals

Browse Source
This commit is contained in:
Krzosa Karol
2022-03-03 16:55:58 +01:00
parent af822c4dbe
commit 1d853fc4e3
3 changed files with 345 additions and 306 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
ui.cpp
View File

@@ -4,9 +4,12 @@ enum UIWidgetKind {
UIWidgetKind_Image,
UIWidgetKind_Label,
UIWidgetKind_Option,
UIWidgetKind_Signal,
UIWidgetKind_Group,
};
#define UI_SIGNAL_CALLBACK(name) void name()
typedef UI_SIGNAL_CALLBACK(UISignalCallback);
struct UISetup {
UIWidgetKind kind;
S8 text;
@@ -16,6 +19,7 @@ struct UISetup {
B32 *b32;
S8 *label;
I32 *option;
UISignalCallback *signal_callback;
};
I32 option_max;
};
@@ -23,6 +27,7 @@ struct UISetup {
#define UI_IMAGE(x) {UIWidgetKind_Image,string_null,(void*)(x)}
#define UI_LABEL(x) {UIWidgetKind_Label,string_null,(void*)(x)}
#define UI_OPTION(text,x,option_max){UIWidgetKind_Option,text,(void*)(x),(option_max)}
#define UI_SIGNAL(text,x){UIWidgetKind_Signal,text,(void*)(x)}
struct UIWidget {
UIWidgetKind kind;
@@ -39,6 +44,7 @@ struct UIWidget {
B32 *b32;
S8 *label;
I32 *option;
UISignalCallback *signal_callback;
} ptr;
};
@@ -96,6 +102,13 @@ FUNCTION UIWidget *ui_push_option(Arena *arena, UIWidget *widget, S8 string, I32
return result;
}
FUNCTION UIWidget *ui_push_signal(Arena *arena, UIWidget *widget, S8 string, UISignalCallback *callback) {
UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Signal);
result->text = string;
result->ptr.signal_callback = callback;
return result;
}
FUNCTION UI ui_make(Arena *arena, UISetup *setup, U64 len) {
UI result = {};
result.arena = arena_sub(arena, MiB(16));
@@ -114,6 +127,9 @@ FUNCTION UI ui_make(Arena *arena, UISetup *setup, U64 len) {
case UIWidgetKind_Option: {
ui_push_option(&result.arena, parent, s->text, s->option, s->option_max);
} break;
case UIWidgetKind_Signal: {
ui_push_signal(&result.arena, parent, s->text, s->signal_callback);
} break;
INVALID_DEFAULT_CASE;
}
}
@@ -203,6 +219,23 @@ FUNCTION void ui_end_frame(Bitmap *dst, UI *ui, Font *font) {
rect = r_draw_string(dst, font, string, pos);
pos.y -= rect.height - font->height;
} break;
case UIWidgetKind_Signal: {
pos.y -= font->height;
Vec4 color = vec4(0, 0, 0, 1);
S8 string = string_format(scratch, "%s", w->text);
rect = r_get_string_rect(font, string, pos);
B32 clicked = ui_mouse_test(ui, w, rect);
if (clicked) {
w->ptr.signal_callback();
}
if (ui->hot == w) {
color = vec4(0.4f, 0.4f, 0.4f, 1.f);
}
rect.y = rect.y-font->line_advance / 5;
r_draw_rect(dst, rect.x, rect.y, rect.width, rect.height, color);
rect = r_draw_string(dst, font, string, pos);
pos.y -= rect.height - font->height;
} break;
INVALID_DEFAULT_CASE;
}
}