orca/examples/ui_style_test/main.c

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/************************************************************//**
*
* @file: main.cpp
* @author: Martin Fouilleul
* @date: 30/07/2022
* @revision:
*
*****************************************************************/
#include<stdlib.h>
#include<string.h>
#include<errno.h>
#define _USE_MATH_DEFINES //NOTE: necessary for MSVC
#include<math.h>
#include"milepost.h"
#define LOG_SUBSYSTEM "Main"
void debug_print_indent(int indent)
{
for(int i=0; i<indent; i++)
{
printf(" ");
}
}
void debug_print_rule(ui_style_rule* rule)
{
for_list(&rule->pattern.l, selector, ui_selector, listElt)
{
switch(selector->kind)
{
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case UI_SEL_ANY:
printf("any: ");
break;
case UI_SEL_OWNER:
printf("owner: ");
break;
case UI_SEL_TEXT:
printf("text='%.*s': ", (int)selector->text.len, selector->text.ptr);
break;
case UI_SEL_TAG:
printf("tag=0x%llx: ", selector->tag.hash);
break;
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case UI_SEL_STATUS:
{
if(selector->status & UI_HOVER)
{
printf("hover: ");
}
if(selector->status & UI_ACTIVE)
{
printf("active: ");
}
if(selector->status & UI_DRAGGING)
{
printf("dragging: ");
}
} break;
case UI_SEL_KEY:
printf("key=0x%llx: ", selector->key.hash);
break;
default:
printf("unknown: ");
break;
}
}
printf("=> font size = %f\n", rule->style->fontSize);
}
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void debug_print_size(ui_box* box, ui_axis axis, int indent)
{
debug_print_indent(indent);
printf("size %s: ", axis == UI_AXIS_X ? "x" : "y");
f32 value = box->targetStyle->size.c[axis].value;
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switch(box->targetStyle->size.c[axis].kind)
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{
case UI_SIZE_TEXT:
printf("text\n");
break;
case UI_SIZE_CHILDREN:
printf("children\n");
break;
case UI_SIZE_PARENT:
printf("parent: %f\n", value);
break;
case UI_SIZE_PARENT_MINUS_PIXELS:
printf("parent minus pixels: %f\n", value);
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break;
case UI_SIZE_PIXELS:
printf("pixels: %f\n", value);
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break;
}
}
void debug_print_styles(ui_box* box, int indent)
{
debug_print_indent(indent);
printf("### box '%.*s'\n", (int)box->string.len, box->string.ptr);
indent++;
debug_print_indent(indent);
printf("font size: %f\n", box->targetStyle->fontSize);
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debug_print_size(box, UI_AXIS_X, indent);
debug_print_size(box, UI_AXIS_Y, indent);
if(!list_empty(&box->beforeRules))
{
debug_print_indent(indent);
printf("before rules:\n");
for_list(&box->beforeRules, rule, ui_style_rule, boxElt)
{
debug_print_indent(indent+1);
debug_print_rule(rule);
}
}
if(!list_empty(&box->afterRules))
{
debug_print_indent(indent);
printf("after rules:\n");
for_list(&box->afterRules, rule, ui_style_rule, boxElt)
{
debug_print_indent(indent+1);
debug_print_rule(rule);
}
}
if(!list_empty(&box->children))
{
debug_print_indent(indent);
printf("children:\n");
indent++;
for_list(&box->children, child, ui_box, listElt)
{
debug_print_styles(child, indent);
}
}
}
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mg_font create_font()
{
//NOTE(martin): create font
str8 fontPath = mp_app_get_resource_path(mem_scratch(), "../resources/OpenSansLatinSubset.ttf");
char* fontPathCString = str8_to_cstring(mem_scratch(), fontPath);
FILE* fontFile = fopen(fontPathCString, "r");
if(!fontFile)
{
LOG_ERROR("Could not load font file '%s': %s\n", fontPathCString, strerror(errno));
return(mg_font_nil());
}
unsigned char* fontData = 0;
fseek(fontFile, 0, SEEK_END);
u32 fontDataSize = ftell(fontFile);
rewind(fontFile);
fontData = (unsigned char*)malloc(fontDataSize);
fread(fontData, 1, fontDataSize, fontFile);
fclose(fontFile);
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};
mg_font font = mg_font_create_from_memory(fontDataSize, fontData, 5, ranges);
free(fontData);
return(font);
}
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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())
int main()
{
LogLevel(LOG_LEVEL_WARNING);
mp_init();
mp_clock_init(); //TODO put that in mp_init()?
ui_init();
mp_rect windowRect = {.x = 100, .y = 100, .w = 810, .h = 610};
mp_window window = mp_window_create(windowRect, "test", 0);
mp_rect contentRect = mp_window_get_content_rect(window);
//NOTE: create surface
mg_surface surface = mg_surface_create_for_window(window, MG_BACKEND_DEFAULT);
mg_surface_swap_interval(surface, 0);
//TODO: create canvas
mg_canvas canvas = mg_canvas_create(surface);
if(mg_canvas_is_nil(canvas))
{
printf("Error: couldn't create canvas\n");
return(-1);
}
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mg_font font = create_font();
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mem_arena textArena = {0};
mem_arena_init(&textArena);
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// start app
mp_window_bring_to_front(window);
mp_window_focus(window);
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while(!mp_should_quit())
{
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bool printDebugStyle = false;
f64 startTime = mp_get_time(MP_CLOCK_MONOTONIC);
mp_pump_events(0);
mp_event event = {0};
while(mp_next_event(&event))
{
switch(event.type)
{
case MP_EVENT_WINDOW_CLOSE:
{
mp_request_quit();
} break;
case MP_EVENT_KEYBOARD_KEY:
{
if(event.key.action == MP_KEY_PRESS && event.key.code == MP_KEY_P)
{
printDebugStyle = true;
}
} break;
default:
break;
}
}
//TEST UI
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ui_style defaultStyle = {.bgColor = {0},
.color = {1, 1, 1, 1},
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.font = font,
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.fontSize = 16,
.borderColor = {1, 0, 0, 1},
.borderSize = 2};
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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_flags debugFlags = UI_FLAG_DRAW_BORDER;
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ui_box* root = 0;
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ui_frame(&defaultStyle, defaultMask)
{
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root = ui_box_top();
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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", debugFlags)
{
ui_style_next(&(ui_style){.fontSize = 26}, UI_STYLE_FONT_SIZE);
ui_label("Milepost UI Demo");
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if(ui_box_sig(ui_box_top()).hovering)
{
ui_tooltip("tooltip")
{
ui_label("That is a tooltip!");
}
}
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}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
.size.height = {UI_SIZE_PARENT, 1, 1}},
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UI_STYLE_SIZE);
ui_style_next(&(ui_style){.layout.axis = UI_AXIS_X}, UI_STYLE_LAYOUT_AXIS);
ui_container("contents", debugFlags)
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1},
.borderColor = {0, 0, 1, 1}},
UI_STYLE_SIZE
|UI_STYLE_BORDER_COLOR);
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ui_container("left", debugFlags)
{
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", debugFlags)
{
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1}},
UI_STYLE_SIZE);
widget_view("Buttons")
{
ui_button("Button 1");
ui_button("Button 2");
ui_button("Button 3");
}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1}},
UI_STYLE_SIZE);
widget_view("checkboxes")
{
}
}
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", debugFlags)
{
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);
}
}
}
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ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},
.size.height = {UI_SIZE_PARENT, 1}},
UI_STYLE_SIZE);
ui_container("right", debugFlags)
{
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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};
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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("Menus")
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{
ui_menu_bar("Menu bar")
{
ui_menu("Menu 1")
{
if(ui_menu_button("Option 1.1").pressed)
{
printf("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");
}
}
}
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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);
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ui_panel("Panel", UI_FLAG_DRAW_BORDER)
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{
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");
}
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}
}
}
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}
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}
}
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}
if(printDebugStyle)
{
debug_print_styles(root, 0);
}
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mg_surface_prepare(surface);
ui_draw();
mg_flush();
mg_surface_present(surface);
mem_arena_clear(mem_scratch());
}
mp_terminate();
return(0);
}