orca/samples/ui/src/main.c

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#include"orca.h"
oc_vec2 frameSize = {100, 100};
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oc_surface surface;
oc_canvas canvas;
oc_font font;
oc_ui_context ui;
oc_arena textArena = {0};
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ORCA_EXPORT void oc_on_init(void)
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{
surface = oc_surface_canvas();
canvas = oc_canvas_create();
oc_ui_init(&ui);
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//NOTE: load font
{
oc_file file = oc_file_open(OC_STR8("/OpenSansLatinSubset.ttf"), OC_FILE_ACCESS_READ, 0);
if(oc_file_last_error(file) != OC_IO_OK)
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{
oc_log_error("Couldn't open file OpenSansLatinSubset.ttf\n");
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}
u64 size = oc_file_size(file);
char* buffer = oc_arena_push(oc_scratch(), size);
oc_file_read(file, size, buffer);
oc_file_close(file);
oc_unicode_range ranges[5] = {OC_UNICODE_BASIC_LATIN,
OC_UNICODE_C1_CONTROLS_AND_LATIN_1_SUPPLEMENT,
OC_UNICODE_LATIN_EXTENDED_A,
OC_UNICODE_LATIN_EXTENDED_B,
OC_UNICODE_SPECIALS};
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// TODO: Decide whether we're using strings or explicit pointer + length
font = oc_font_create_from_memory(oc_str8_from_buffer(size, buffer), 5, ranges);
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}
oc_arena_clear(oc_scratch());
oc_arena_init(&textArena);
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}
ORCA_EXPORT void oc_on_resize(u32 width, u32 height)
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{
oc_log_info("frame resize %u, %u", width, height);
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frameSize.x = width;
frameSize.y = height;
}
ORCA_EXPORT void oc_on_raw_event(oc_event *event)
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{
oc_ui_process_event(event);
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}
void widget_begin_view(char* str)
{
oc_ui_style_next(&(oc_ui_style){.layout.axis = OC_UI_AXIS_Y,
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.layout.spacing = 10,
.layout.margin.x = 10,
.layout.margin.y = 10,
.layout.align.x = OC_UI_ALIGN_CENTER,
.layout.align.y = OC_UI_ALIGN_START},
OC_UI_STYLE_LAYOUT);
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oc_ui_box_begin(str, OC_UI_FLAG_DRAW_BORDER);
oc_ui_label(str);
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}
void widget_end_view(void)
{
oc_ui_box_end();
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}
#define widget_view(s) oc_defer_loop(widget_begin_view(s), widget_end_view())
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ORCA_EXPORT void oc_on_frame_refresh(void)
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{
oc_ui_style defaultStyle = {.bgColor = {0},
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.color = {1, 1, 1, 1},
.font = font,
.fontSize = 16,
.borderColor = {0.278, 0.333, 0.412, 1},
.borderSize = 2};
oc_ui_style_mask defaultMask = OC_UI_STYLE_BG_COLOR
| OC_UI_STYLE_COLOR
| OC_UI_STYLE_BORDER_COLOR
| OC_UI_STYLE_BORDER_SIZE
| OC_UI_STYLE_FONT
| OC_UI_STYLE_FONT_SIZE;
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oc_ui_frame(frameSize, &defaultStyle, defaultMask)
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{
oc_ui_style_match_before(oc_ui_pattern_all(), &defaultStyle, defaultMask);
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oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 1},
.layout.axis = OC_UI_AXIS_Y,
.layout.align.x = OC_UI_ALIGN_CENTER,
.layout.align.y = OC_UI_ALIGN_START,
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.layout.spacing = 10,
.layout.margin.x = 10,
.layout.margin.y = 10,
.bgColor = {0.11, 0.11, 0.11, 1}},
OC_UI_STYLE_SIZE
| OC_UI_STYLE_LAYOUT
| OC_UI_STYLE_BG_COLOR);
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oc_ui_container("background", OC_UI_FLAG_DRAW_BACKGROUND)
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{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_CHILDREN},
.layout.align.x = OC_UI_ALIGN_CENTER},
OC_UI_STYLE_SIZE
|OC_UI_STYLE_LAYOUT_ALIGN_X);
oc_ui_container("title", 0)
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{
oc_ui_style_next(&(oc_ui_style){.fontSize = 26}, OC_UI_STYLE_FONT_SIZE);
oc_ui_label("Orca UI Demo");
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if(oc_ui_box_sig(oc_ui_box_top()).hovering)
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{
oc_ui_tooltip("tooltip")
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{
oc_ui_style_next(&(oc_ui_style){.bgColor = {1, 0.99, 0.82, 1}},
OC_UI_STYLE_BG_COLOR);
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oc_ui_container("background", OC_UI_FLAG_DRAW_BACKGROUND)
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{
oc_ui_style_next(&(oc_ui_style){.color = {0, 0, 0, 1}},
OC_UI_STYLE_COLOR);
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oc_ui_label("That is a tooltip!");
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}
}
}
}
oc_ui_menu_bar("Menu bar")
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{
oc_ui_menu("Menu 1")
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{
if(oc_ui_menu_button("Option 1.1").pressed)
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{
oc_log_info("Pressed option 1.1\n");
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}
oc_ui_menu_button("Option 1.2");
oc_ui_menu_button("Option 1.3");
oc_ui_menu_button("Option 1.4");
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}
oc_ui_menu("Menu 2")
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{
oc_ui_menu_button("Option 2.1");
oc_ui_menu_button("Option 2.2");
oc_ui_menu_button("Option 2.3");
oc_ui_menu_button("Option 2.4");
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}
oc_ui_menu("Menu 3")
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{
oc_ui_menu_button("Option 3.1");
oc_ui_menu_button("Option 3.2");
oc_ui_menu_button("Option 3.3");
oc_ui_menu_button("Option 3.4");
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}
}
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 1, 1}},
OC_UI_STYLE_SIZE);
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oc_ui_style_next(&(oc_ui_style){.layout.axis = OC_UI_AXIS_X}, OC_UI_STYLE_LAYOUT_AXIS);
oc_ui_container("contents", 0)
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{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 0.5},
.size.height = {OC_UI_SIZE_PARENT, 1}},
OC_UI_STYLE_SIZE);
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oc_ui_container("left", 0)
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{
oc_ui_style_next(&(oc_ui_style){.layout.axis = OC_UI_AXIS_X,
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.layout.spacing = 10,
.layout.margin.x = 10,
.layout.margin.y = 10,
.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 0.5}},
OC_UI_STYLE_LAYOUT_AXIS
|OC_UI_STYLE_LAYOUT_SPACING
|OC_UI_STYLE_LAYOUT_MARGIN_X
|OC_UI_STYLE_LAYOUT_MARGIN_Y
|OC_UI_STYLE_SIZE);
oc_ui_container("up", 0)
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{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 0.5},
.size.height = {OC_UI_SIZE_PARENT, 1}},
OC_UI_STYLE_SIZE);
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widget_view("Buttons")
{
if(oc_ui_button("Button A").clicked)
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{
oc_log_info("A clicked");
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}
if(oc_ui_button("Button B").clicked)
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{
oc_log_info("B clicked");
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}
if(oc_ui_button("Button C").clicked)
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{
oc_log_info("C clicked");
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}
}
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 0.5},
.size.height = {OC_UI_SIZE_PARENT, 1}},
OC_UI_STYLE_SIZE);
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oc_ui_pattern pattern = {0};
oc_ui_pattern_push(oc_scratch(), &pattern, (oc_ui_selector){.kind = OC_UI_SEL_TAG, .tag = oc_ui_tag_make("checkbox")});
oc_ui_style_match_after(pattern,
&(oc_ui_style){.bgColor = {0, 1, 0, 1},
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.color = {1, 1, 1, 1}},
OC_UI_STYLE_COLOR | OC_UI_STYLE_BG_COLOR);
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widget_view("checkboxes")
{
static bool check1 = true;
static bool check2 = false;
static bool check3 = false;
oc_ui_checkbox("check1", &check1);
oc_ui_checkbox("check2", &check2);
oc_ui_checkbox("check3", &check3);
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}
}
oc_ui_style_next(&(oc_ui_style){.layout.axis = OC_UI_AXIS_X,
.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 0.5}},
OC_UI_STYLE_LAYOUT_AXIS
|OC_UI_STYLE_SIZE);
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oc_ui_container("down", 0)
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{
widget_view("Vertical Sliders")
{
oc_ui_style_next(&(oc_ui_style){.layout.axis = OC_UI_AXIS_X,
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.layout.spacing = 10},
OC_UI_STYLE_LAYOUT_AXIS
|OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("contents", 0)
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{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PIXELS, 20},
.size.height = {OC_UI_SIZE_PIXELS, 200}},
OC_UI_STYLE_SIZE);
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static f32 slider1 = 0;
oc_ui_slider("slider1", 0.2, &slider1);
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oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PIXELS, 20},
.size.height = {OC_UI_SIZE_PIXELS, 200}},
OC_UI_STYLE_SIZE);
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static f32 slider2 = 0;
oc_ui_slider("slider2", 0.2, &slider2);
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oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PIXELS, 20},
.size.height = {OC_UI_SIZE_PIXELS, 200}},
OC_UI_STYLE_SIZE);
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static f32 slider3 = 0;
oc_ui_slider("slider3", 0.2, &slider3);
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}
}
widget_view("Horizontal Sliders")
{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PIXELS, 200},
.size.height = {OC_UI_SIZE_PIXELS, 20}},
OC_UI_STYLE_SIZE);
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static f32 slider1 = 0;
oc_ui_slider("slider1", 0.2, &slider1);
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oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PIXELS, 200},
.size.height = {OC_UI_SIZE_PIXELS, 20}},
OC_UI_STYLE_SIZE);
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static f32 slider2 = 0;
oc_ui_slider("slider2", 0.2, &slider2);
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oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PIXELS, 200},
.size.height = {OC_UI_SIZE_PIXELS, 20}},
OC_UI_STYLE_SIZE);
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static f32 slider3 = 0;
oc_ui_slider("slider3", 0.2, &slider3);
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}
}
}
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 0.5},
.size.height = {OC_UI_SIZE_PARENT, 1}},
OC_UI_STYLE_SIZE);
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oc_ui_container("right", 0)
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{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 0.33}},
OC_UI_STYLE_SIZE);
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widget_view("Text box")
{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PIXELS, 300},
.size.height = {OC_UI_SIZE_TEXT}},
OC_UI_STYLE_SIZE);
static oc_str8 text = {0};
oc_ui_text_box_result res = oc_ui_text_box("textbox", oc_scratch(), text);
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if(res.changed)
{
oc_arena_clear(&textArena);
text = oc_str8_push_copy(&textArena, res.text);
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}
}
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 0.33}},
OC_UI_STYLE_SIZE);
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widget_view("Test")
{
oc_ui_pattern pattern = {0};
oc_ui_pattern_push(oc_scratch(), &pattern, (oc_ui_selector){.kind = OC_UI_SEL_TEXT, .text = OC_STR8("panel")});
oc_ui_style_match_after(pattern, &(oc_ui_style){.bgColor = {0.3, 0.3, 1, 1}}, OC_UI_STYLE_BG_COLOR);
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static int selected = 0;
oc_str8 options[] = {OC_STR8("option 1"),
OC_STR8("option 2"),
OC_STR8("long option 3"),
OC_STR8("option 4"),
OC_STR8("option 5")};
oc_ui_select_popup_info info = {.selectedIndex = selected,
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.optionCount = 5,
.options = options};
oc_ui_select_popup_info result = oc_ui_select_popup("popup", &info);
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selected = result.selectedIndex;
}
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 0.33}},
OC_UI_STYLE_SIZE);
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widget_view("Color")
{
oc_ui_style_next(&(oc_ui_style){.size.width = {OC_UI_SIZE_PARENT, 1},
.size.height = {OC_UI_SIZE_PARENT, 0.7},
.layout.axis = OC_UI_AXIS_X},
OC_UI_STYLE_SIZE
|OC_UI_STYLE_LAYOUT_AXIS);
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oc_ui_panel("Panel", OC_UI_FLAG_DRAW_BORDER)
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{
oc_ui_style_next(&(oc_ui_style){.layout.axis = OC_UI_AXIS_X},
OC_UI_STYLE_LAYOUT_AXIS);
oc_ui_container("contents", 0)
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{
oc_ui_style_next(&(oc_ui_style){.layout.spacing = 20},
OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("buttons", 0)
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{
oc_ui_button("Button A");
oc_ui_button("Button B");
oc_ui_button("Button C");
oc_ui_button("Button D");
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}
oc_ui_style_next(&(oc_ui_style){.layout.axis = OC_UI_AXIS_X,
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.layout.spacing = 20},
OC_UI_STYLE_LAYOUT_SPACING
|OC_UI_STYLE_LAYOUT_AXIS);
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oc_ui_container("buttons2", 0)
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{
oc_ui_button("Button A");
oc_ui_button("Button B");
oc_ui_button("Button C");
oc_ui_button("Button D");
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}
}
}
}
}
}
}
}
oc_canvas_set_current(canvas);
oc_surface_select(surface);
oc_ui_draw();
oc_render(surface, canvas);
oc_surface_present(surface);
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}