#include "orca.h" oc_vec2 frameSize = { 100, 100 }; oc_surface surface; oc_canvas canvas; oc_font font; oc_ui_context ui; oc_arena textArena = { 0 }; ORCA_EXPORT void oc_on_init(void) { oc_window_set_title(OC_STR8("ui")); surface = oc_surface_canvas(); canvas = oc_canvas_create(); oc_ui_init(&ui); //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) { oc_log_error("Couldn't open file OpenSansLatinSubset.ttf\n"); } 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 }; font = oc_font_create_from_memory(oc_str8_from_buffer(size, buffer), 5, ranges); } oc_arena_clear(oc_scratch()); oc_arena_init(&textArena); } ORCA_EXPORT void oc_on_resize(u32 width, u32 height) { oc_log_info("frame resize %u, %u", width, height); frameSize.x = width; frameSize.y = height; } ORCA_EXPORT void oc_on_raw_event(oc_event* event) { oc_ui_process_event(event); } void widget_begin_view(char* str) { oc_ui_style_next(&(oc_ui_style){ .layout.axis = OC_UI_AXIS_Y, .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); oc_ui_box_begin(str, OC_UI_FLAG_DRAW_BORDER); oc_ui_label(str); } void widget_end_view(void) { oc_ui_box_end(); } #define widget_view(s) oc_defer_loop(widget_begin_view(s), widget_end_view()) ORCA_EXPORT void oc_on_frame_refresh(void) { oc_ui_style defaultStyle = { .font = font }; oc_ui_style_mask defaultMask = OC_UI_STYLE_FONT; oc_ui_frame(frameSize, &defaultStyle, defaultMask) { oc_ui_style_match_before(oc_ui_pattern_all(), &defaultStyle, defaultMask); 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, .layout.spacing = 10}, OC_UI_STYLE_SIZE | OC_UI_STYLE_LAYOUT); oc_ui_container("background", OC_UI_FLAG_DRAW_BACKGROUND) { 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, .layout.margin.x = 10, .layout.margin.y = 10 }, OC_UI_STYLE_SIZE | OC_UI_STYLE_LAYOUT_ALIGN_X | OC_UI_STYLE_LAYOUT_MARGINS); oc_ui_container("title", 0) { oc_ui_style_next(&(oc_ui_style){ .fontSize = 26 }, OC_UI_STYLE_FONT_SIZE); oc_ui_label("Orca UI Demo"); if(oc_ui_box_sig(oc_ui_box_top()).hovering) { oc_ui_tooltip("That is a tooltip!"); } } oc_ui_menu_bar("Menu bar") { oc_ui_menu("Menu 1") { if(oc_ui_menu_button("Option 1.1").pressed) { oc_log_info("Pressed option 1.1\n"); } oc_ui_menu_button("Option 1.2"); oc_ui_menu_button("Option 1.3"); oc_ui_menu_button("Option 1.4"); } oc_ui_menu("Menu 2") { 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"); } oc_ui_menu("Menu 3") { 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"); } } oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 }, .size.height = { OC_UI_SIZE_PARENT, 1, 1 }, .layout.margin.x = 10, .layout.margin.y = 10 }, OC_UI_STYLE_SIZE | OC_UI_STYLE_LAYOUT_MARGINS); oc_ui_style_next(&(oc_ui_style){ .layout.axis = OC_UI_AXIS_X }, OC_UI_STYLE_LAYOUT_AXIS); oc_ui_container("contents", 0) { 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); oc_ui_container("left", 0) { oc_ui_style_next(&(oc_ui_style){ .layout.axis = OC_UI_AXIS_X, .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) { 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); widget_view("Buttons") { if(oc_ui_button("Button A").clicked) { oc_log_info("A clicked"); } if(oc_ui_button("Button B").clicked) { oc_log_info("B clicked"); } if(oc_ui_button("Button C").clicked) { oc_log_info("C clicked"); } } 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); 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); } } 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); oc_ui_container("down", 0) { widget_view("Vertical Sliders") { oc_ui_style_next(&(oc_ui_style){ .layout.axis = OC_UI_AXIS_X, .layout.spacing = 10 }, OC_UI_STYLE_LAYOUT_AXIS | OC_UI_STYLE_LAYOUT_SPACING); oc_ui_container("contents", 0) { oc_ui_style_next(&(oc_ui_style){ .size.height = { OC_UI_SIZE_PIXELS, 200 } }, OC_UI_STYLE_SIZE_HEIGHT); static f32 slider1 = 0; oc_ui_slider("slider1", &slider1); oc_ui_style_next(&(oc_ui_style){ .size.height = { OC_UI_SIZE_PIXELS, 200 } }, OC_UI_STYLE_SIZE_HEIGHT); static f32 slider2 = 0; oc_ui_slider("slider2", &slider2); oc_ui_style_next(&(oc_ui_style){ .size.height = { OC_UI_SIZE_PIXELS, 200 } }, OC_UI_STYLE_SIZE_HEIGHT); static f32 slider3 = 0; oc_ui_slider("slider3", &slider3); } } widget_view("Horizontal Sliders") { oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PIXELS, 200 } }, OC_UI_STYLE_SIZE_WIDTH); static f32 slider1 = 0; oc_ui_slider("slider1", &slider1); oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PIXELS, 200 } }, OC_UI_STYLE_SIZE_WIDTH); static f32 slider2 = 0; oc_ui_slider("slider2", &slider2); oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PIXELS, 200 } }, OC_UI_STYLE_SIZE_WIDTH); static f32 slider3 = 0; oc_ui_slider("slider3", &slider3); } } } 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); oc_ui_container("right", 0) { 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); 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); if(res.changed) { oc_arena_clear(&textArena); text = oc_str8_push_copy(&textArena, res.text); } } 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); widget_view("Test") { 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, .optionCount = 5, .options = options }; oc_ui_select_popup_info result = oc_ui_select_popup("popup", &info); 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); 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); oc_ui_panel("Panel", OC_UI_FLAG_DRAW_BORDER) { oc_ui_style_next(&(oc_ui_style){ .layout.axis = OC_UI_AXIS_X }, OC_UI_STYLE_LAYOUT_AXIS); oc_ui_container("contents", 0) { oc_ui_style_next(&(oc_ui_style){ .layout.spacing = 20 }, OC_UI_STYLE_LAYOUT_SPACING); oc_ui_container("buttons", 0) { oc_ui_button("Button A"); oc_ui_button("Button B"); oc_ui_button("Button C"); oc_ui_button("Button D"); } oc_ui_style_next(&(oc_ui_style){ .layout.axis = OC_UI_AXIS_X, .layout.spacing = 20 }, OC_UI_STYLE_LAYOUT_SPACING | OC_UI_STYLE_LAYOUT_AXIS); oc_ui_container("buttons2", 0) { oc_ui_button("Button A"); oc_ui_button("Button B"); oc_ui_button("Button C"); oc_ui_button("Button D"); } } } } } } } } oc_canvas_set_current(canvas); oc_surface_select(surface); oc_ui_draw(); oc_render(surface, canvas); oc_surface_present(surface); oc_arena_clear(oc_scratch()); }