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Diffstat (limited to 'sys/include/dev/vcons/vcons.h')
-rw-r--r-- | sys/include/dev/vcons/vcons.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sys/include/dev/vcons/vcons.h b/sys/include/dev/vcons/vcons.h new file mode 100644 index 0000000..fc59f6e --- /dev/null +++ b/sys/include/dev/vcons/vcons.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * 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. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * 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 OWNER 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. + */ + +#ifndef _DEV_VCONS_H_ +#define _DEV_VCONS_H_ + +#include <sys/types.h> +#include <sys/termios.h> +#include <dev/video/fbdev.h> +#include <sysfont.h> + +#define VCONS_TAB_WIDTH 4 +#define VCONS_CURSOR_WIDTH FONT_WIDTH +#define VCONS_CURSOR_HEIGHT FONT_HEIGHT + +struct vcons_cursor { + size_t xpos, ypos; + uint32_t rgb; + + /* Internal */ + uint32_t old_xpos, old_ypos; + volatile bool is_drawing; + volatile bool is_drawn; /* If it has been drawn before */ +}; + +struct vcons_screen { + size_t nrows, ncols; + size_t cpy_x, cpy_y; /* In chars */ + size_t cpy_len; + + uint32_t bg; + uint32_t fg; + void *fbdev_mem; + + struct fbdev fbdev; + struct vcons_cursor cursor; + struct termios termios; +}; + +#define is_cursor_drawing(screenptr) (screenptr)->cursor.is_drawing + +void vcons_attach(struct vcons_screen *scr); +int vcons_putch(struct vcons_screen *scr, char c); + +#endif /* !_DEV_VCONS_H_ */ |