389 lines
9.4 KiB
C
389 lines
9.4 KiB
C
/************************************************************//**
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*
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* @file: main.cpp
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* @author: Martin Fouilleul
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* @date: 30/07/2022
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* @revision:
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*
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*****************************************************************/
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#include<stdlib.h>
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#include<string.h>
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#include<errno.h>
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#define _USE_MATH_DEFINES //NOTE: necessary for MSVC
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#include<math.h>
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#include"milepost.h"
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#define LOG_SUBSYSTEM "Main"
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void debug_print_indent(int indent)
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{
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for(int i=0; i<indent; i++)
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{
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printf(" ");
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}
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}
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void debug_print_rule(ui_style_rule* rule)
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{
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for_list(&rule->pattern.l, selector, ui_selector, listElt)
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{
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switch(selector->kind)
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{
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case UI_SEL_ANY:
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printf("any: ");
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break;
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case UI_SEL_OWNER:
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printf("owner: ");
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break;
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case UI_SEL_TEXT:
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printf("text='%.*s': ", (int)selector->text.len, selector->text.ptr);
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break;
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case UI_SEL_TAG:
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printf("tag=0x%llx: ", selector->tag.hash);
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break;
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case UI_SEL_STATUS:
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{
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if(selector->status & UI_HOVER)
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{
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printf("hover: ");
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}
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if(selector->status & UI_ACTIVE)
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{
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printf("active: ");
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}
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if(selector->status & UI_DRAGGING)
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{
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printf("dragging: ");
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}
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} break;
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case UI_SEL_KEY:
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printf("key=0x%llx: ", selector->key.hash);
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break;
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default:
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printf("unknown: ");
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break;
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}
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}
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printf("=> font size = %f\n", rule->style->fontSize);
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}
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void debug_print_size(ui_box* box, ui_axis axis, int indent)
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{
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debug_print_indent(indent);
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printf("size %s: ", axis == UI_AXIS_X ? "x" : "y");
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switch(box->targetStyle->size.s[axis].kind)
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{
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case UI_SIZE_TEXT:
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printf("text\n");
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break;
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case UI_SIZE_CHILDREN:
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printf("children\n");
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break;
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case UI_SIZE_PARENT:
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printf("parent\n");
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break;
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case UI_SIZE_PIXELS:
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printf("pixels\n");
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break;
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}
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}
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void debug_print_styles(ui_box* box, int indent)
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{
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debug_print_indent(indent);
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printf("### box '%.*s'\n", (int)box->string.len, box->string.ptr);
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indent++;
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debug_print_indent(indent);
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printf("font size: %f\n", box->targetStyle->fontSize);
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debug_print_size(box, UI_AXIS_X, indent);
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debug_print_size(box, UI_AXIS_Y, indent);
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if(!list_empty(&box->beforeRules))
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{
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debug_print_indent(indent);
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printf("before rules:\n");
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for_list(&box->beforeRules, rule, ui_style_rule, boxElt)
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{
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debug_print_indent(indent+1);
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debug_print_rule(rule);
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}
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}
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if(!list_empty(&box->afterRules))
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{
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debug_print_indent(indent);
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printf("after rules:\n");
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for_list(&box->afterRules, rule, ui_style_rule, boxElt)
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{
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debug_print_indent(indent+1);
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debug_print_rule(rule);
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}
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}
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if(!list_empty(&box->children))
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{
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debug_print_indent(indent);
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printf("children:\n");
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indent++;
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for_list(&box->children, child, ui_box, listElt)
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{
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debug_print_styles(child, indent);
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}
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}
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}
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mg_font create_font()
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{
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//NOTE(martin): create font
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str8 fontPath = mp_app_get_resource_path(mem_scratch(), "../resources/OpenSansLatinSubset.ttf");
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char* fontPathCString = str8_to_cstring(mem_scratch(), fontPath);
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FILE* fontFile = fopen(fontPathCString, "r");
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if(!fontFile)
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{
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LOG_ERROR("Could not load font file '%s': %s\n", fontPathCString, strerror(errno));
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return(mg_font_nil());
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}
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unsigned char* fontData = 0;
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fseek(fontFile, 0, SEEK_END);
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u32 fontDataSize = ftell(fontFile);
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rewind(fontFile);
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fontData = (unsigned char*)malloc(fontDataSize);
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fread(fontData, 1, fontDataSize, fontFile);
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fclose(fontFile);
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unicode_range ranges[5] = {UNICODE_RANGE_BASIC_LATIN,
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UNICODE_RANGE_C1_CONTROLS_AND_LATIN_1_SUPPLEMENT,
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UNICODE_RANGE_LATIN_EXTENDED_A,
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UNICODE_RANGE_LATIN_EXTENDED_B,
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UNICODE_RANGE_SPECIALS};
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mg_font font = mg_font_create_from_memory(fontDataSize, fontData, 5, ranges);
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free(fontData);
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return(font);
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}
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int main()
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{
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LogLevel(LOG_LEVEL_WARNING);
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mp_init();
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mp_clock_init(); //TODO put that in mp_init()?
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ui_init();
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mp_rect windowRect = {.x = 100, .y = 100, .w = 810, .h = 610};
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mp_window window = mp_window_create(windowRect, "test", 0);
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mp_rect contentRect = mp_window_get_content_rect(window);
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//NOTE: create surface
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mg_surface surface = mg_surface_create_for_window(window, MG_BACKEND_DEFAULT);
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mg_surface_swap_interval(surface, 0);
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//TODO: create canvas
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mg_canvas canvas = mg_canvas_create(surface);
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if(mg_canvas_is_nil(canvas))
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{
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printf("Error: couldn't create canvas\n");
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return(-1);
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}
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mg_font font = create_font();
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// start app
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mp_window_bring_to_front(window);
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mp_window_focus(window);
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while(!mp_should_quit())
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{
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bool printDebugStyle = false;
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f64 startTime = mp_get_time(MP_CLOCK_MONOTONIC);
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mp_pump_events(0);
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mp_event event = {0};
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while(mp_next_event(&event))
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{
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switch(event.type)
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{
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case MP_EVENT_WINDOW_CLOSE:
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{
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mp_request_quit();
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} break;
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case MP_EVENT_KEYBOARD_KEY:
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{
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if(event.key.action == MP_KEY_PRESS && event.key.code == MP_KEY_P)
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{
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printDebugStyle = true;
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}
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} break;
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default:
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break;
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}
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}
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//TEST UI
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ui_style defaultStyle = {.size.width = {UI_SIZE_CHILDREN},
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.size.height = {UI_SIZE_CHILDREN},
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.layout.axis = UI_AXIS_Y,
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.layout.spacing = 10,
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.layout.margin.x = 10,
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.layout.margin.y = 10,
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.bgColor = {0.9, 0.9, 0.9, 1},
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.color = {0, 0, 0, 1},
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.borderSize = 2,
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.borderColor = {0, 0, 1, 1},
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.font = font,
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.fontSize = 32};
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ui_flags defaultFlags = UI_FLAG_DRAW_BORDER;
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ui_box* root = 0;
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ui_frame()
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{
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root = ui_box_top();
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ui_pattern pattern = {0};
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TEXT, .text = STR8("b")});
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TAG, .tag = ui_tag_make("foo")});
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ui_style_match_before(pattern, &(ui_style){.fontSize = 36}, UI_STYLE_FONT_SIZE);
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ui_style_match_before(ui_pattern_all(),
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&defaultStyle,
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UI_STYLE_FONT
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|UI_STYLE_FONT_SIZE
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|UI_STYLE_COLOR
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|UI_STYLE_BORDER_SIZE
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|UI_STYLE_BORDER_COLOR
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|UI_STYLE_SIZE_WIDTH
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|UI_STYLE_SIZE_HEIGHT
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|UI_STYLE_LAYOUT);
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pattern = (ui_pattern){0};
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TEXT, .text = STR8("c")});
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TAG, .tag = ui_tag_make("button")});
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ui_style_match_after(pattern,
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&(ui_style){.bgColor = {1, 0.5, 0.5, 1}},
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UI_STYLE_BG_COLOR);
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pattern = (ui_pattern){0};
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TEXT, .text = STR8("c")});
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TAG, .tag = ui_tag_make("button")});
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_STATUS, .op = UI_SEL_AND, .status = UI_ACTIVE|UI_HOVER});
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ui_style_match_after(pattern,
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&(ui_style){.bgColor = {0.5, 1, 0.5, 1}},
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UI_STYLE_BG_COLOR);
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ui_container("a", defaultFlags)
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{
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ui_pattern pattern = {0};
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ui_pattern_push(mem_scratch(), &pattern, (ui_selector){.kind = UI_SEL_TEXT, .text = STR8("b")});
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ui_style_match_before(pattern, &(ui_style){.fontSize = 22}, UI_STYLE_FONT_SIZE);
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ui_container("b", defaultFlags)
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{
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ui_container("c", defaultFlags)
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{
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if(ui_button("button d").clicked)
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{
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printf("clicked button d\n");
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}
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}
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ui_container("e", defaultFlags)
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{
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ui_tag_next("foo");
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if(ui_button("button f").clicked)
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{
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printf("clicked button f\n");
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}
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ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
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.size.height = {UI_SIZE_PIXELS, 20, 0}},
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UI_STYLE_SIZE);
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static f32 slider1 = 0;
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ui_slider("slider1", 0.3, &slider1);
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ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
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.size.height = {UI_SIZE_PIXELS, 20, 0}},
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UI_STYLE_SIZE);
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static f32 slider2 = 0;
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ui_slider("slider2", 0.3, &slider2);
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ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 1},
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.size.height = {UI_SIZE_PIXELS, 20}},
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UI_STYLE_SIZE);
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static f32 slider3 = 0;
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ui_slider("slider3", 0.3, &slider3);
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}
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}
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ui_tag_next("foo");
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ui_label("label d");
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}
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}
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if(printDebugStyle)
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{
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debug_print_styles(root, 0);
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}
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mg_surface_prepare(surface);
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// mg_set_color_rgba(1, 0, 0, 1);
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// mg_rectangle_fill(100, 100, 400, 200);
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ui_draw();
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/*
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mg_mat2x3 transform = {1, 0, 0,
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0, -1, 800};
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bool oldTextFlip = mg_get_text_flip();
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mg_set_text_flip(true);
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mg_matrix_push(transform);
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mg_set_font(font);
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mg_set_font_size(20);
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mg_set_color_rgba(0, 0, 0, 1);
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mg_move_to(0, 38);
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mg_text_outlines(STR8("hello, world"));
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mg_fill();
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mg_matrix_pop();
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mg_set_text_flip(oldTextFlip);
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*/
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mg_flush();
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mg_surface_present(surface);
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mem_arena_clear(mem_scratch());
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}
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mp_terminate();
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return(0);
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}
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