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orca/samples/ui/src/main.c

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UI demo
2023-07-14 04:38:32 +00:00
#include"orca.h"
vec2 frameSize = {100, 100};
mg_surface surface;
Feedback
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mg_canvas canvas;
UI demo
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mg_font font;
ui_context ui;
mem_arena textArena = {0};
ORCA_EXPORT void OnInit(void)
{
//TODO create surface for main window
[gles] expose GLES surface and GLES API to orca apps. - Allow orca app to request either Canvas or GLES surfaces - Add bounds check specifications to the json bindings spec format and to the bindings generator scripts. - Generate GLES API json bindings spec from gl.xml - Remove APIs that can't be bound with current wasm memory model (ie buffer mapping) - Manually link remaining APIs, except glGetString - Add fluid simulation sample - Add abort messages for wasm loading and runtime fatal errors - Adapt orca build tool to generate GLES json spec from gl.xml - Adapt glesTriangle and fluid samples build scripts to new orca build tool
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surface = mg_surface_canvas();
UI demo
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canvas = mg_canvas_create();
ui_init(&ui);
//NOTE: load font
{
file_handle file = file_open(STR8("/OpenSansLatinSubset.ttf"), FILE_ACCESS_READ, 0);
if(file_last_error(file) != IO_OK)
{
log_error("Couldn't open file OpenSansLatinSubset.ttf\n");
}
u64 size = file_size(file);
char* buffer = mem_arena_alloc(mem_scratch(), size);
file_read(file, size, buffer);
file_close(file);
unicode_range ranges[5] = {UNICODE_RANGE_BASIC_LATIN,
UNICODE_RANGE_C1_CONTROLS_AND_LATIN_1_SUPPLEMENT,
UNICODE_RANGE_LATIN_EXTENDED_A,
UNICODE_RANGE_LATIN_EXTENDED_B,
UNICODE_RANGE_SPECIALS};
// TODO: Decide whether we're using strings or explicit pointer + length
font = mg_font_create_from_memory(size, (byte*)buffer, 5, ranges);
}
mem_arena_clear(mem_scratch());
mem_arena_init(&textArena);
}
ORCA_EXPORT void OnFrameResize(u32 width, u32 height)
{
log_info("frame resize %u, %u", width, height);
frameSize.x = width;
frameSize.y = height;
}
ORCA_EXPORT void OnRawEvent(mp_event *event)
{
ui_process_event(event);
}
void widget_begin_view(char* str)
{
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_Y,
.layout.spacing = 10,
.layout.margin.x = 10,
.layout.margin.y = 10,
.layout.align.x = UI_ALIGN_CENTER,
.layout.align.y = UI_ALIGN_START},
UI_STYLE_LAYOUT);
ui_box_begin(str, UI_FLAG_DRAW_BORDER);
ui_label(str);
}
void widget_end_view(void)
{
ui_box_end();
}
#define widget_view(s) defer_loop(widget_begin_view(s), widget_end_view())
ORCA_EXPORT void OnFrameRefresh(void)
{
ui_style defaultStyle = {.bgColor = {0},
.color = {1, 1, 1, 1},
.font = font,
.fontSize = 16,
.borderColor = {0.278, 0.333, 0.412, 1},
.borderSize = 2};
ui_style_mask defaultMask = UI_STYLE_BG_COLOR
| UI_STYLE_COLOR
| UI_STYLE_BORDER_COLOR
| UI_STYLE_BORDER_SIZE
| UI_STYLE_FONT
| UI_STYLE_FONT_SIZE;
ui_frame(frameSize, &defaultStyle, defaultMask)
{
ui_style_match_before(ui_pattern_all(), &defaultStyle, defaultMask);
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 1},
.layout.axis = UI_AXIS_Y,
.layout.align.x = UI_ALIGN_CENTER,
.layout.align.y = UI_ALIGN_START,
.layout.spacing = 10,
.layout.margin.x = 10,
.layout.margin.y = 10,
.bgColor = {0.11, 0.11, 0.11, 1}},
UI_STYLE_SIZE
| UI_STYLE_LAYOUT
| UI_STYLE_BG_COLOR);
ui_container("background", UI_FLAG_DRAW_BACKGROUND)
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_CHILDREN},
.layout.align.x = UI_ALIGN_CENTER},
UI_STYLE_SIZE
|UI_STYLE_LAYOUT_ALIGN_X);
ui_container("title", 0)
{
ui_style_next(&(ui_style){.fontSize = 26}, UI_STYLE_FONT_SIZE);
ui_label("Orca UI Demo");
if(ui_box_sig(ui_box_top()).hovering)
{
ui_tooltip("tooltip")
{
ui_style_next(&(ui_style){.bgColor = {1, 0.99, 0.82, 1}},
UI_STYLE_BG_COLOR);
ui_container("background", UI_FLAG_DRAW_BACKGROUND)
{
ui_style_next(&(ui_style){.color = {0, 0, 0, 1}},
UI_STYLE_COLOR);
ui_label("That is a tooltip!");
}
}
}
}
ui_menu_bar("Menu bar")
{
ui_menu("Menu 1")
{
if(ui_menu_button("Option 1.1").pressed)
{
log_info("Pressed option 1.1\n");
}
ui_menu_button("Option 1.2");
ui_menu_button("Option 1.3");
ui_menu_button("Option 1.4");
}
ui_menu("Menu 2")
{
ui_menu_button("Option 2.1");
ui_menu_button("Option 2.2");
ui_menu_button("Option 2.3");
ui_menu_button("Option 2.4");
}
ui_menu("Menu 3")
{
ui_menu_button("Option 3.1");
ui_menu_button("Option 3.2");
ui_menu_button("Option 3.3");
ui_menu_button("Option 3.4");
}
}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 1, 1}},
UI_STYLE_SIZE);
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_X}, UI_STYLE_LAYOUT_AXIS);
ui_container("contents", 0)
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1}},
UI_STYLE_SIZE);
ui_container("left", 0)
{
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_X,
.layout.spacing = 10,
.layout.margin.x = 10,
.layout.margin.y = 10,
.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 0.5}},
UI_STYLE_LAYOUT_AXIS
|UI_STYLE_LAYOUT_SPACING
|UI_STYLE_LAYOUT_MARGIN_X
|UI_STYLE_LAYOUT_MARGIN_Y
|UI_STYLE_SIZE);
ui_container("up", 0)
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1}},
UI_STYLE_SIZE);
widget_view("Buttons")
{
if(ui_button("Button A").clicked)
{
log_info("A clicked");
}
if(ui_button("Button B").clicked)
{
log_info("B clicked");
}
if(ui_button("Button C").clicked)
{
log_info("C clicked");
}
}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1}},
UI_STYLE_SIZE);
ui_pattern pattern = {0};
ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TAG, .tag = ui_tag_make("checkbox")});
ui_style_match_after(pattern,
&(ui_style){.bgColor = {0, 1, 0, 1},
.color = {1, 1, 1, 1}},
UI_STYLE_COLOR | UI_STYLE_BG_COLOR);
widget_view("checkboxes")
{
static bool check1 = true;
static bool check2 = false;
static bool check3 = false;
ui_checkbox("check1", &check1);
ui_checkbox("check2", &check2);
ui_checkbox("check3", &check3);
}
}
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_X,
.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 0.5}},
UI_STYLE_LAYOUT_AXIS
|UI_STYLE_SIZE);
ui_container("down", 0)
{
widget_view("Vertical Sliders")
{
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_X,
.layout.spacing = 10},
UI_STYLE_LAYOUT_AXIS
|UI_STYLE_LAYOUT_SPACING);
ui_container("contents", 0)
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PIXELS, 20},
.size.height = {UI_SIZE_PIXELS, 200}},
UI_STYLE_SIZE);
static f32 slider1 = 0;
ui_slider("slider1", 0.2, &slider1);
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PIXELS, 20},
.size.height = {UI_SIZE_PIXELS, 200}},
UI_STYLE_SIZE);
static f32 slider2 = 0;
ui_slider("slider2", 0.2, &slider2);
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PIXELS, 20},
.size.height = {UI_SIZE_PIXELS, 200}},
UI_STYLE_SIZE);
static f32 slider3 = 0;
ui_slider("slider3", 0.2, &slider3);
}
}
widget_view("Horizontal Sliders")
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PIXELS, 200},
.size.height = {UI_SIZE_PIXELS, 20}},
UI_STYLE_SIZE);
static f32 slider1 = 0;
ui_slider("slider1", 0.2, &slider1);
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PIXELS, 200},
.size.height = {UI_SIZE_PIXELS, 20}},
UI_STYLE_SIZE);
static f32 slider2 = 0;
ui_slider("slider2", 0.2, &slider2);
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PIXELS, 200},
.size.height = {UI_SIZE_PIXELS, 20}},
UI_STYLE_SIZE);
static f32 slider3 = 0;
ui_slider("slider3", 0.2, &slider3);
}
}
}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1}},
UI_STYLE_SIZE);
ui_container("right", 0)
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 0.33}},
UI_STYLE_SIZE);
widget_view("Text box")
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PIXELS, 300},
.size.height = {UI_SIZE_TEXT}},
UI_STYLE_SIZE);
static str8 text = {0};
ui_text_box_result res = ui_text_box("textbox", mem_scratch(), text);
if(res.changed)
{
mem_arena_clear(&textArena);
text = str8_push_copy(&textArena, res.text);
}
}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 0.33}},
UI_STYLE_SIZE);
widget_view("Test")
{
ui_pattern pattern = {0};
ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TEXT, .text = STR8("panel")});
ui_style_match_after(pattern, &(ui_style){.bgColor = {0.3, 0.3, 1, 1}}, UI_STYLE_BG_COLOR);
static int selected = 0;
str8 options[] = {STR8("option 1"),
STR8("option 2"),
STR8("long option 3"),
STR8("option 4"),
STR8("option 5")};
ui_select_popup_info info = {.selectedIndex = selected,
.optionCount = 5,
.options = options};
ui_select_popup_info result = ui_select_popup("popup", &info);
selected = result.selectedIndex;
}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 0.33}},
UI_STYLE_SIZE);
widget_view("Color")
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 0.7},
.layout.axis = UI_AXIS_X},
UI_STYLE_SIZE
|UI_STYLE_LAYOUT_AXIS);
ui_panel("Panel", UI_FLAG_DRAW_BORDER)
{
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_X},
UI_STYLE_LAYOUT_AXIS);
ui_container("contents", 0)
{
ui_style_next(&(ui_style){.layout.spacing = 20},
UI_STYLE_LAYOUT_SPACING);
ui_container("buttons", 0)
{
ui_button("Button A");
ui_button("Button B");
ui_button("Button C");
ui_button("Button D");
}
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_X,
.layout.spacing = 20},
UI_STYLE_LAYOUT_SPACING
|UI_STYLE_LAYOUT_AXIS);
ui_container("buttons2", 0)
{
ui_button("Button A");
ui_button("Button B");
ui_button("Button C");
ui_button("Button D");
}
}
}
}
}
}
}
}
mg_canvas_set_current(canvas);
mg_surface_prepare(surface);
ui_draw();
mg_render(surface, canvas);
mg_surface_present(surface);
}