251 lines
8.7 KiB
C
251 lines
8.7 KiB
C
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/*
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MIT License
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Copyright (c) 2023-2024 erysdren (it/she/they)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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/*
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*
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* EUI_SDL2.C
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*
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include "eui_sdl2.h"
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static int scancode_table_initialized = EUI_FALSE;
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static int scancode_table[SDL_NUM_SCANCODES];
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static void initialize_scancode_table(void)
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{
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if (scancode_table_initialized)
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return;
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scancode_table[SDL_SCANCODE_ESCAPE] = EUI_SCANCODE_ESCAPE;
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scancode_table[SDL_SCANCODE_1] = EUI_SCANCODE_1;
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scancode_table[SDL_SCANCODE_2] = EUI_SCANCODE_2;
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scancode_table[SDL_SCANCODE_3] = EUI_SCANCODE_3;
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scancode_table[SDL_SCANCODE_4] = EUI_SCANCODE_4;
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scancode_table[SDL_SCANCODE_5] = EUI_SCANCODE_5;
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scancode_table[SDL_SCANCODE_6] = EUI_SCANCODE_6;
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scancode_table[SDL_SCANCODE_7] = EUI_SCANCODE_7;
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scancode_table[SDL_SCANCODE_8] = EUI_SCANCODE_8;
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scancode_table[SDL_SCANCODE_9] = EUI_SCANCODE_9;
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scancode_table[SDL_SCANCODE_0] = EUI_SCANCODE_0;
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scancode_table[SDL_SCANCODE_MINUS] = EUI_SCANCODE_MINUS;
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scancode_table[SDL_SCANCODE_EQUALS] = EUI_SCANCODE_EQUALS;
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scancode_table[SDL_SCANCODE_BACKSPACE] = EUI_SCANCODE_BACKSPACE;
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scancode_table[SDL_SCANCODE_TAB] = EUI_SCANCODE_TAB;
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scancode_table[SDL_SCANCODE_Q] = EUI_SCANCODE_Q;
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scancode_table[SDL_SCANCODE_W] = EUI_SCANCODE_W;
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scancode_table[SDL_SCANCODE_E] = EUI_SCANCODE_E;
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scancode_table[SDL_SCANCODE_R] = EUI_SCANCODE_R;
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scancode_table[SDL_SCANCODE_T] = EUI_SCANCODE_T;
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scancode_table[SDL_SCANCODE_Y] = EUI_SCANCODE_Y;
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scancode_table[SDL_SCANCODE_U] = EUI_SCANCODE_U;
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scancode_table[SDL_SCANCODE_I] = EUI_SCANCODE_I;
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scancode_table[SDL_SCANCODE_O] = EUI_SCANCODE_O;
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scancode_table[SDL_SCANCODE_P] = EUI_SCANCODE_P;
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scancode_table[SDL_SCANCODE_LEFTBRACKET] = EUI_SCANCODE_LEFTBRACKET;
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scancode_table[SDL_SCANCODE_RIGHTBRACKET] = EUI_SCANCODE_RIGHTBRACKET;
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scancode_table[SDL_SCANCODE_RETURN] = EUI_SCANCODE_ENTER;
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scancode_table[SDL_SCANCODE_LCTRL] = EUI_SCANCODE_CONTROL;
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scancode_table[SDL_SCANCODE_RCTRL] = EUI_SCANCODE_CONTROL;
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scancode_table[SDL_SCANCODE_A] = EUI_SCANCODE_A;
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scancode_table[SDL_SCANCODE_S] = EUI_SCANCODE_S;
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scancode_table[SDL_SCANCODE_D] = EUI_SCANCODE_D;
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scancode_table[SDL_SCANCODE_F] = EUI_SCANCODE_F;
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scancode_table[SDL_SCANCODE_G] = EUI_SCANCODE_G;
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scancode_table[SDL_SCANCODE_H] = EUI_SCANCODE_H;
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scancode_table[SDL_SCANCODE_J] = EUI_SCANCODE_J;
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scancode_table[SDL_SCANCODE_K] = EUI_SCANCODE_K;
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scancode_table[SDL_SCANCODE_L] = EUI_SCANCODE_L;
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scancode_table[SDL_SCANCODE_SEMICOLON] = EUI_SCANCODE_SEMICOLON;
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scancode_table[SDL_SCANCODE_APOSTROPHE] = EUI_SCANCODE_QUOTE;
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scancode_table[SDL_SCANCODE_GRAVE] = EUI_SCANCODE_TILDE;
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scancode_table[SDL_SCANCODE_LSHIFT] = EUI_SCANCODE_LSHIFT;
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scancode_table[SDL_SCANCODE_BACKSLASH] = EUI_SCANCODE_BACKSLASH;
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scancode_table[SDL_SCANCODE_Z] = EUI_SCANCODE_Z;
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scancode_table[SDL_SCANCODE_X] = EUI_SCANCODE_X;
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scancode_table[SDL_SCANCODE_C] = EUI_SCANCODE_C;
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scancode_table[SDL_SCANCODE_V] = EUI_SCANCODE_V;
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scancode_table[SDL_SCANCODE_B] = EUI_SCANCODE_B;
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scancode_table[SDL_SCANCODE_N] = EUI_SCANCODE_N;
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scancode_table[SDL_SCANCODE_M] = EUI_SCANCODE_M;
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scancode_table[SDL_SCANCODE_COMMA] = EUI_SCANCODE_COMMA;
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scancode_table[SDL_SCANCODE_PERIOD] = EUI_SCANCODE_PERIOD;
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scancode_table[SDL_SCANCODE_SLASH] = EUI_SCANCODE_SLASH;
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scancode_table[SDL_SCANCODE_RSHIFT] = EUI_SCANCODE_RSHIFT;
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scancode_table[SDL_SCANCODE_KP_MULTIPLY] = EUI_SCANCODE_MULTIPLY;
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scancode_table[SDL_SCANCODE_LALT] = EUI_SCANCODE_ALT;
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scancode_table[SDL_SCANCODE_SPACE] = EUI_SCANCODE_SPACE;
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scancode_table[SDL_SCANCODE_CAPSLOCK] = EUI_SCANCODE_CAPSLOCK;
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scancode_table[SDL_SCANCODE_F1] = EUI_SCANCODE_F1;
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scancode_table[SDL_SCANCODE_F2] = EUI_SCANCODE_F2;
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scancode_table[SDL_SCANCODE_F3] = EUI_SCANCODE_F3;
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scancode_table[SDL_SCANCODE_F4] = EUI_SCANCODE_F4;
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scancode_table[SDL_SCANCODE_F5] = EUI_SCANCODE_F5;
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scancode_table[SDL_SCANCODE_F6] = EUI_SCANCODE_F6;
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scancode_table[SDL_SCANCODE_F7] = EUI_SCANCODE_F7;
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scancode_table[SDL_SCANCODE_F8] = EUI_SCANCODE_F8;
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scancode_table[SDL_SCANCODE_F9] = EUI_SCANCODE_F9;
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scancode_table[SDL_SCANCODE_F10] = EUI_SCANCODE_F10;
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scancode_table[SDL_SCANCODE_NUMLOCKCLEAR] = EUI_SCANCODE_NUMLOCK;
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scancode_table[SDL_SCANCODE_SCROLLLOCK] = EUI_SCANCODE_SCROLLLOCK;
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scancode_table[SDL_SCANCODE_HOME] = EUI_SCANCODE_HOME;
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scancode_table[SDL_SCANCODE_UP] = EUI_SCANCODE_UP;
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scancode_table[SDL_SCANCODE_PAGEUP] = EUI_SCANCODE_PAGEUP;
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scancode_table[SDL_SCANCODE_LEFT] = EUI_SCANCODE_LEFT;
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scancode_table[SDL_SCANCODE_RIGHT] = EUI_SCANCODE_RIGHT;
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scancode_table[SDL_SCANCODE_KP_PLUS] = EUI_SCANCODE_PLUS;
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scancode_table[SDL_SCANCODE_END] = EUI_SCANCODE_END;
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scancode_table[SDL_SCANCODE_DOWN] = EUI_SCANCODE_DOWN;
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scancode_table[SDL_SCANCODE_PAGEDOWN] = EUI_SCANCODE_PAGEDOWN;
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scancode_table[SDL_SCANCODE_INSERT] = EUI_SCANCODE_INSERT;
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scancode_table[SDL_SCANCODE_DELETE] = EUI_SCANCODE_DELETE;
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scancode_table[SDL_SCANCODE_F11] = EUI_SCANCODE_F11;
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scancode_table[SDL_SCANCODE_F12] = EUI_SCANCODE_F12;
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scancode_table_initialized = EUI_TRUE;
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}
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/* begin eui with given SDL_Surface destination */
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int eui_begin_sdl2(SDL_Surface *surface)
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{
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eui_pixelmap_t dest;
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if (sizeof(eui_color_t) != surface->format->BytesPerPixel)
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return EUI_FALSE;
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dest.w = surface->w;
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dest.h = surface->h;
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dest.pitch = surface->pitch;
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dest.pixels = (eui_color_t *)surface->pixels;
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initialize_scancode_table();
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return eui_begin(dest);
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}
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/* process and push SDL_Event */
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void eui_push_event_sdl2(SDL_Event *event)
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{
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eui_event_t eui_event;
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initialize_scancode_table();
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switch (event->type)
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{
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case SDL_KEYDOWN:
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if (scancode_table[event->key.keysym.scancode])
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{
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eui_event.type = EUI_EVENT_KEY_DOWN;
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eui_event.key.scancode = scancode_table[event->key.keysym.scancode];
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eui_push_event(eui_event);
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}
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break;
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case SDL_KEYUP:
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if (scancode_table[event->key.keysym.scancode])
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{
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eui_event.type = EUI_EVENT_KEY_UP;
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eui_event.key.scancode = scancode_table[event->key.keysym.scancode];
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eui_push_event(eui_event);
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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switch (event->button.button)
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{
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case SDL_BUTTON_LEFT:
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eui_event.type = EUI_EVENT_BUTTON_DOWN;
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eui_event.button.x = event->button.x;
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eui_event.button.y = event->button.y;
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eui_event.button.button = EUI_BUTTON_LEFT;
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eui_push_event(eui_event);
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break;
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case SDL_BUTTON_RIGHT:
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eui_event.type = EUI_EVENT_BUTTON_DOWN;
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eui_event.button.x = event->button.x;
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eui_event.button.y = event->button.y;
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eui_event.button.button = EUI_BUTTON_RIGHT;
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eui_push_event(eui_event);
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break;
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}
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break;
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case SDL_MOUSEBUTTONUP:
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switch (event->button.button)
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{
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case SDL_BUTTON_LEFT:
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eui_event.type = EUI_EVENT_BUTTON_UP;
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eui_event.button.x = event->button.x;
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eui_event.button.y = event->button.y;
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eui_event.button.button = EUI_BUTTON_LEFT;
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eui_push_event(eui_event);
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break;
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case SDL_BUTTON_RIGHT:
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eui_event.type = EUI_EVENT_BUTTON_UP;
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eui_event.button.x = event->button.x;
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eui_event.button.y = event->button.y;
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eui_event.button.button = EUI_BUTTON_RIGHT;
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eui_push_event(eui_event);
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break;
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}
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break;
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case SDL_MOUSEMOTION:
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eui_event.type = EUI_EVENT_MOUSE;
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eui_event.mouse.x = event->motion.x;
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eui_event.mouse.y = event->motion.y;
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eui_event.mouse.xrel = event->motion.xrel;
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eui_event.mouse.yrel = event->motion.yrel;
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eui_push_event(eui_event);
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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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/* draw SDL_Surface, transformed */
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void eui_pixelmap_sdl2(eui_vec2_t pos, SDL_Surface *surface)
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{
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eui_pixelmap_t pm;
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if (sizeof(eui_color_t) != surface->format->BytesPerPixel)
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return;
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pm.w = surface->w;
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pm.h = surface->h;
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pm.pitch = surface->pitch;
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pm.pixels = (eui_color_t *)surface->pixels;
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eui_pixelmap(pos, pm);
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}
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