From e71ed17bae757309ce8bc74d759f41a28bfd660d Mon Sep 17 00:00:00 2001 From: P. J. McDermott Date: Wed, 04 Aug 2021 17:09:15 -0400 Subject: tk: Define widget and API --- (limited to 'src/tk') diff --git a/src/tk/local.mk b/src/tk/local.mk new file mode 100644 index 0000000..39b1226 --- /dev/null +++ b/src/tk/local.mk @@ -0,0 +1,3 @@ +mazefight_SOURCES += \ + %reldir%/widget.c \ + %reldir%/widget.h diff --git a/src/tk/widget.c b/src/tk/widget.c new file mode 100644 index 0000000..1bf9407 --- /dev/null +++ b/src/tk/widget.c @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2021 P. J. McDermott + * + * This file is part of Maze Fight + * + * Maze Fight 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. + * + * Maze Fight 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 Maze Fight. If not, see . + */ + +#include +#include +#include +#include +#include "../tk.h" +#include "widget.h" + +struct mftk_widget * +mftk_widget_new(size_t size) +{ + struct mftk_widget *w; + + w = calloc(1, size); + if (w == NULL) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, + "Couldn't create widget: %s", + strerror(errno)); + return NULL; + } + + w->vis = SDL_TRUE; + + return w; +} + +void +mftk_widget_set_visible(struct mftk_widget *w, int v) +{ + w->vis = v; +} + +int +mftk_widget_get_visible(struct mftk_widget *w) +{ + return w->vis; +} + +void +mftk_widget_layout(struct mftk_widget *w) +{ + w->layout(w); +} + +int +mftk_widget_event(struct mftk_widget *w, SDL_Event *e) +{ + return w->event(w, e); +} + +int +mftk_widget_render(struct mftk_widget *w, SDL_Renderer *renderer, int x, int y) +{ + return w->render(w, renderer, x, y); +} + +void +mftk_widget_destroy(struct mftk_widget **w_p) +{ + struct mftk_widget *w; + + if (w_p == NULL || *w_p == NULL) { + return; + } + w = *w_p; + + w->destroy(w); + free(w); + w = NULL; +} diff --git a/src/tk/widget.h b/src/tk/widget.h new file mode 100644 index 0000000..2336388 --- /dev/null +++ b/src/tk/widget.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2021 P. J. McDermott + * + * This file is part of Maze Fight + * + * Maze Fight 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. + * + * Maze Fight 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 Maze Fight. If not, see . + */ + +#ifndef MFTK_WIDGET_H_ +#define MFTK_WIDGET_H_ + +#include + +struct mftk_widget { + int w; + int h; + int vis; + int can_focus; + void (*layout)(struct mftk_widget *); + int (*event)(struct mftk_widget *, SDL_Event *); + int (*render)(struct mftk_widget *, SDL_Renderer *, int, int); + void (*destroy)(struct mftk_widget *); +}; + +struct mftk_widget * +mftk_widget_new(size_t size); + +#endif /* MFTK_WIDGET_H_ */ -- cgit v0.9.1