Wed, 01 Nov 2023 20:09:49 +0100
move window related stuff to its own unit
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * Copyright 2023 Mike Becker. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "ascension/core.h" #include <cx/linked_list.h> #include <cx/printf.h> #include <SDL2/SDL.h> #include <SDL2/SDL_ttf.h> AscContext asc_context; // forward declare the destructor functions that reside in other units void asc_window_destroy_impl(void* obj); void asc_context_initialize(void) { if (asc_test_flag(asc_context.flags, ASC_FLAG_INITILIZED)) return; asc_clear_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR); // initialize error buffer cxBufferInit( &asc_context.error_buffer, NULL, 256, NULL, CX_BUFFER_AUTO_EXTEND ); // initialize lists asc_context.windows = cxLinkedListCreateSimple(CX_STORE_POINTERS); asc_context.windows->simple_destructor = (cx_destructor_func)asc_window_destroy_impl; // initialize SDL if (SDL_Init(SDL_INIT_VIDEO) < 0) { asc_error(SDL_GetError()); } else { if (TTF_Init() < 0) { asc_error(TTF_GetError()); } } SDL_ClearError(); asc_set_flag(&asc_context.flags, ASC_FLAG_INITILIZED); asc_dprintf("Ascension context initialized."); } void asc_context_destroy(void) { // destroy lists cxListDestroy(asc_context.windows); // quit SDL if (TTF_WasInit()) TTF_Quit(); SDL_Quit(); // destroy the error buffer cxBufferDestroy(&asc_context.error_buffer); asc_context.flags = 0; asc_dprintf("Ascension context destroyed."); } void asc_error_cchar(char const* text) { asc_error_cxstr(cx_str(text)); } void asc_error_cuchar(unsigned char const* text) { asc_error_cxstr(cx_str((char const*)text)); } void asc_error_cxstr(cxstring text) { if (text.length == 0) return; // write error to debug output asc_dprintf("ERROR: %*.s", (int)text.length, text.ptr); // write error to buffer CxBuffer* buf = &asc_context.error_buffer; cxBufferWrite(text.ptr, 1, text.length, buf); cxBufferPut(buf, '\n'); asc_set_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR); } bool asc_has_error(void) { return asc_test_flag(asc_context.flags, ASC_FLAG_HAS_ERROR); } char const* asc_get_error(void) { // we zero-terminate the current buffer contents before providing them cxBufferPut(&asc_context.error_buffer, 0); --asc_context.error_buffer.pos; --asc_context.error_buffer.size; return asc_context.error_buffer.space; } void asc_clear_error(void) { cxBufferClear(&asc_context.error_buffer); asc_clear_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR); }