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/*
* LimoX - The Linux on mobile XMPP chat client
* Copyright (C) 2022 xengineering
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <SDL2/SDL.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include "xmpp.h"
struct GuiContext {
bool quit;
SDL_Event event;
SDL_Window* window;
SDL_Renderer* renderer;
SDL_Texture* texture;
uint32_t* pixels;
int xmpp_fd;
};
struct GuiContext *init() {
struct GuiContext *ctx = malloc(sizeof(struct GuiContext));
ctx->quit = false;
ctx->xmpp_fd = -1;
ctx->pixels = malloc(sizeof(uint32_t) * 640 * 480);
memset(ctx->pixels, 255, 640 * 480 * sizeof(uint32_t));
SDL_Init(SDL_INIT_VIDEO);
return ctx;
}
void deinit(struct GuiContext *ctx) {
// TODO this seems to end in memory access errors but ... why?
//SDL_DestroyTexture(texture);
//SDL_DestroyRenderer(renderer);
SDL_Quit();
free(ctx->pixels);
free(ctx);
}
bool create_window(struct GuiContext *ctx) {
ctx->window = SDL_CreateWindow("LimoX",
SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480,
SDL_WINDOW_RESIZABLE
);
ctx->renderer = SDL_CreateRenderer(ctx->window, -1, 0);
ctx->texture = SDL_CreateTexture(ctx->renderer, SDL_PIXELFORMAT_ARGB8888,
SDL_TEXTUREACCESS_STATIC, 640, 480);
return ctx->window != NULL;
}
void gui_run(void) {
struct GuiContext *ctx = init();
fprintf(stderr, "SDL2 video driver: %s\n", SDL_GetCurrentVideoDriver());
if (!create_window(ctx)) {
fprintf(stderr, "Failed to create SDL2 window!\n");
return;
}
while (!ctx->quit) {
SDL_UpdateTexture(ctx->texture, NULL, ctx->pixels, 640 * sizeof(uint32_t));
SDL_WaitEvent(&ctx->event);
switch (ctx->event.type) {
case SDL_QUIT:
ctx->quit = true;
break;
case SDL_MOUSEBUTTONDOWN:
if (ctx->xmpp_fd == -1) {
ctx->xmpp_fd = xmpp_connect();
} else {
close(ctx->xmpp_fd);
ctx->xmpp_fd = -1;
printf("Closed XMPP connection.\n");
}
break;
}
SDL_RenderClear(ctx->renderer);
SDL_RenderCopy(ctx->renderer, ctx->texture, NULL, NULL);
SDL_RenderPresent(ctx->renderer);
}
SDL_DestroyWindow(ctx->window);
deinit(ctx);
}
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