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#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#define SBDF_IMPLEMENTATION
#define SBDF_USESDL
#include "sbdf.h"
#include "cdraw.h"
#include "types.h"
#include "debug.h"
#include "action.h"
#include "canvas.h"
#include "palette.h"
#include "ui.h"
typedef struct {
SDL_Keymod mod;
SDL_Keycode sym;
void (*func)(const Arg *);
const Arg arg;
} Key;
#include "config.h"
SDL_Window *win;
void *ren;
void *font;
void *def_palette;
struct Canvas* cur_canvas;
/* TODO: window resize change mouseX and mouse Y */
int mouseX, mouseY;
void keypress(SDL_Keysym *);
void
keypress(SDL_Keysym *k)
{
static Key *p, *end;
/* printf("Key pressed: %d %d %d\n", k->sym, k->mod, KMOD_SHIFT); */
for (p = keys, end = &p[LENGTH(keys)]; p != end; ++p) {
if (k->sym == p->sym
&& k->mod == p->mod)
p->func(&(p->arg));
}
}
uint
main_quit()
{
/* TODO: checks */
canvas_destroy(cur_canvas);
ui_destroy();
SDL_DestroyWindow(win);
IMG_Quit();
SDL_Quit();
SBDF_FontDestroy(font);
font = NULL;
return 1;
}
uint
main_window_init(const char *s)
{
/* TODO: defer*/
int ss;
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
printf("SDL_Init failed: %s\n", SDL_GetError());
return 1;
}
if (IMG_Init(IMG_INIT_PNG) == 0)
return 1;
win = SDL_CreateWindow("cdraw",
SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
512, 256,
SDL_WINDOW_RESIZABLE);
if (win == NULL) {
printf("SDL_CreateWindow failed: %s\n", SDL_GetError());
return 1;
}
ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_PRESENTVSYNC);
if (ren == NULL) {
printf("SDL_CreateRenderer failed: %s\n", SDL_GetError());
return 1;
}
SDL_SetRenderDrawColor(ren, INTTOCOLA(0x121212ff));
SDL_SetRenderDrawBlendMode(ren, SDL_BLENDMODE_NONE);
SDL_RenderPresent(ren);
def_palette = palette_open_gpl(def_palette_path);
if (def_palette == NULL)
return 1;
font = SBDF_FontLoad(def_font);
if (font == NULL)
return 1;
ui_create(def_theme_path);
if (s == NULL)
cur_canvas = canvas_init(64, 64, ren);
else {
ss = strlen(s);
if (ss > 4 && strcmp(&s[ss-4], ".cdr") == 0)
cur_canvas = canvas_open(s, ren);
else
cur_canvas = canvas_import_png(s, ren);
}
ui_redraw_panel(UI_PANELTYPE_CANVAS);
if (cur_canvas == NULL)
return 1;
return 0;
}
uint
main_event_handle()
{
static uint8 q, r;
static SDL_Event event;
q = r = 0;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
q = 1;
break;
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_RESIZED:
r = 1;
/* FALLTROUGH */
case SDL_WINDOWEVENT_MOVED:
break;
}
break;
case SDL_MOUSEBUTTONDOWN:
switch (event.button.button) {
case SDL_BUTTON_LEFT:
ui_mousel_down(event.button.x, event.button.y);
break;
case SDL_BUTTON_RIGHT:
break;
}
break;
case SDL_MOUSEBUTTONUP:
switch (event.button.button) {
case SDL_BUTTON_LEFT:
ui_mousel_up(event.button.x, event.button.y);
is_drawing = 0;
break;
}
break;
case SDL_MOUSEMOTION:
mouseX = event.motion.x;
mouseY = event.motion.y;
ui_mouse_move(mouseX, mouseY);
break;
case SDL_KEYDOWN:
keypress(&event.key.keysym);
break;
}
}
if (r)
ui_resize();
SDL_SetRenderDrawColor(ren, INTTOCOL(back_c), 255);
SDL_RenderClear(ren);
ui_present();
SDL_RenderPresent(ren);
if (q)
return main_quit();
return 0;
}
int
main(int argc, char *argv[])
{
Uint32 ltick, fdif;
if (main_window_init(argc > 1 ? argv[1] : NULL))
return 1;
fdif = 1000 / fps;
while (1) {
ltick = SDL_GetTicks();
if (main_event_handle())
break;
ltick = SDL_GetTicks() - ltick;
if (ltick < fdif)
SDL_Delay(fdif-ltick);
}
}
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