compositor-test/src/compositor.c

165 lines
3.8 KiB
C

#include "aliases/aliases.h"
#include "nodes.h"
#include "window.h"
#include <SDL2/SDL.h>
#include <SDL2/SDL_events.h>
#include <SDL2/SDL_render.h>
#include <SDL2/SDL_video.h>
#include <stdbool.h>
#include <stdlib.h>
#define MAX_WINDOWS 2
#define WINDOW_WIDTH 1280
#define WINDOW_HEIGHT 720
typedef struct compositor compositor_t;
struct compositor {
window_t windows[MAX_WINDOWS];
SDL_Event event;
bool running;
u64 mouse_x;
u64 mouse_y;
i64 node_hovered;
u64 count;
node_t *nodes;
bool move_node;
};
void add_node(compositor_t *comp, node_type_t type, node_data_t data, i32 x,
i32 y);
i32 run_main_loop(void) {
if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
return EXIT_FAILURE;
}
compositor_t comp = {0};
comp.nodes = (node_t *)malloc(sizeof(node_t) * MAX_NODES);
window_t *main_window = &(comp.windows[0]);
window_t *toolbox = &(comp.windows[1]);
if (!init_window(main_window, "Compositor", WINDOW_WIDTH, WINDOW_HEIGHT, -1,
-1)) {
SDL_Quit();
return EXIT_FAILURE;
}
u32 toolbox_window_width = WINDOW_WIDTH / 7;
init_window(toolbox, "Toolbox", toolbox_window_width, WINDOW_HEIGHT,
main_window->x - toolbox_window_width, -1);
comp.running = true;
SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
colour_t bg_colour = {.abgr = 0xffffffff};
while (comp.running) {
while (SDL_PollEvent(&(comp.event))) {
switch (comp.event.type) {
case SDL_QUIT:
comp.running = false;
break;
case SDL_WINDOWEVENT:
switch (comp.event.window.event) {
case SDL_WINDOWEVENT_CLOSE:
comp.running = false;
break;
}
break;
case SDL_MOUSEBUTTONDOWN:
if (comp.event.button.windowID == main_window->id) {
if (comp.node_hovered != -1) {
comp.move_node = true;
}
break;
}
case SDL_MOUSEBUTTONUP:
comp.move_node = false;
break;
case SDL_MOUSEMOTION:
if (comp.event.motion.windowID == main_window->id) {
comp.mouse_x = comp.event.motion.x;
comp.mouse_y = comp.event.motion.y;
if (comp.move_node) {
i32 dx = comp.event.motion.xrel;
i32 dy = comp.event.motion.yrel;
node_t *node = &(comp.nodes[comp.node_hovered]);
node->rect.topleft.x += dx;
node->rect.topleft.y += dy;
} else {
comp.node_hovered = -1;
for (u64 i = comp.count - 1; i >= 0; --i) {
node_t *node = &(comp.nodes[i]);
if (aabb(node, comp.mouse_x, comp.mouse_y)) {
comp.node_hovered = i;
break;
}
}
}
break;
}
case SDL_DROPFILE:
if (comp.event.drop.windowID == main_window->id) {
node_data_t data = (node_data_t){.path = comp.event.drop.file};
add_node(&comp, NODE_TYPE_IO, data, comp.mouse_x, comp.mouse_y);
break;
}
}
}
for (u64 i = 0; i < MAX_WINDOWS; ++i) {
clear_window(&(comp.windows[i]), bg_colour);
}
for (u64 i = 0; i < comp.count; ++i) {
node_t *node = &(comp.nodes[i]);
draw_node(main_window, node);
}
for (u64 i = 0; i < MAX_WINDOWS; ++i) {
swap_buffers(&(comp.windows[i]));
}
}
cleanup_window(toolbox);
cleanup_window(main_window);
SDL_Quit();
return EXIT_SUCCESS;
}
void add_node(compositor_t *comp, node_type_t type, node_data_t data, i32 x,
i32 y) {
if (comp->count + 1 >= MAX_NODES) {
return;
}
comp->nodes[(comp->count)++] = (node_t){
.rect =
(rect_t){
.topleft.x = x,
.topleft.y = y,
.w = NODE_WIDTH,
.h = NODE_HEIGHT,
},
.type = type,
.data.path = data.path,
};
}