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annotate libcore/core/window.c @ 156:c3a40062acc2

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misc: create more generic startup function, closes #2500
author David Demelier <markand@malikania.fr>
date Fri, 16 Oct 2020 13:54:31 +0200
parents 789b23e01f52
children 4bbfcd9180a8
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1 /*
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2 * window.c -- basic window management
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3 *
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <assert.h>
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20 #include <string.h>
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21
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22 #include <SDL.h>
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24 #include "error_p.h"
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25 #include "window.h"
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26 #include "window_p.h"
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28 static struct window_handle handle = {
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29 .win = NULL,
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30 .renderer = NULL
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31 };
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32
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33 struct window window = {
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34 .handle = &handle
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35 };
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36
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37 bool
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38 window_open(const char *title, unsigned int w, unsigned int h)
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39 {
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40 assert(title);
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41
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42 if (SDL_CreateWindowAndRenderer(w, h, SDL_WINDOW_OPENGL,
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43 &handle.win, &handle.renderer) < 0)
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44 return error_sdl();
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46 SDL_SetWindowTitle(handle.win, title);
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47
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48 window.w = w;
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49 window.h = h;
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50
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51 return true;
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52 }
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53
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54 void
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55 window_finish(void)
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56 {
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57 if (handle.renderer)
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58 SDL_DestroyRenderer(handle.renderer);
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59 if (handle.win)
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60 SDL_DestroyWindow(handle.win);
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62 memset(&handle, 0, sizeof (handle));
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63 }