363 lines
12 KiB
C++
363 lines
12 KiB
C++
/*
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myU8g2changes.cpp
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This file contains brunotified (modified ;-) ) functions of the following
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original files:
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U8g2/src/clib/u8g2_message.c
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U8g2/src/clib/u8g2_selection_list.c
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U8g2/src/clib/u8g2_input_value.c
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U8g2/src/clib/u8g2_debounce.c
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|----------------
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| ORIGINAL TEXT:
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|----------------
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2016, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <U8g2lib.h>
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extern "C" {
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#define SPACE_BETWEEN_BUTTONS_IN_PIXEL 6
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#define SPACE_BETWEEN_TEXT_AND_BUTTONS_IN_PIXEL 3
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static uint8_t my_draw_button_line(u8g2_t *u8g2, u8g2_uint_t y, u8g2_uint_t w, uint8_t cursor, const char *s)
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{
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u8g2_uint_t button_line_width;
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uint8_t i;
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uint8_t cnt;
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uint8_t is_invert;
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u8g2_uint_t d;
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u8g2_uint_t x;
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cnt = u8x8_GetStringLineCnt(s);
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/* calculate the width of the button line */
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button_line_width = 0;
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for( i = 0; i < cnt; i++ ) {
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button_line_width += u8g2_GetUTF8Width(u8g2, u8x8_GetStringLineStart(i, s));
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}
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button_line_width += (cnt-1)*SPACE_BETWEEN_BUTTONS_IN_PIXEL; /* add some space between the buttons */
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/* calculate the left offset */
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d = 0;
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if ( button_line_width < w ) {
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d = w;
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d -= button_line_width;
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d /= 2;
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}
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/* draw the buttons */
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x = d;
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for( i = 0; i < cnt; i++ ) {
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is_invert = 0;
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if ( i == cursor )
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is_invert = 1;
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u8g2_DrawUTF8Line(u8g2, x, y, 0, u8x8_GetStringLineStart(i, s), 1, is_invert);
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x += u8g2_GetUTF8Width(u8g2, u8x8_GetStringLineStart(i, s));
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x += SPACE_BETWEEN_BUTTONS_IN_PIXEL;
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}
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/* return the number of buttons */
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return cnt;
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}
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/*
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title1: Multiple lines,separated by '\n'
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title2: A single line/string which is terminated by '\0' or '\n' . "title2" accepts the return value from u8x8_GetStringLineStart()
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title3: Multiple lines,separated by '\n'
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buttons: one more more buttons separated by '\n' and terminated with '\0'
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cursor: highlighted cursor position
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returns the number of buttons
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side effects:
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u8g2_SetFontDirection(u8g2, 0);
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u8g2_SetFontPosBaseline(u8g2);
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*/
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uint8_t my_UserInterfaceMessage(u8g2_t *u8g2, const char *title1, const char *title2, const char *title3, const char *buttons, uint8_t cursor)
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{
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uint8_t height;
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uint8_t line_height;
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u8g2_uint_t pixel_height;
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u8g2_uint_t y, yy;
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uint8_t button_cnt;
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/* only horizontal strings are supported, so force this here */
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u8g2_SetFontDirection(u8g2, 0);
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/* force baseline position */
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u8g2_SetFontPosBaseline(u8g2);
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/* calculate line height */
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line_height = u8g2_GetAscent(u8g2);
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line_height -= u8g2_GetDescent(u8g2);
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/* calculate overall height of the message box in lines*/
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height = 1; /* button line */
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height += u8x8_GetStringLineCnt(title1);
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if ( title2 != NULL )
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height++;
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height += u8x8_GetStringLineCnt(title3);
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/* calculate the height in pixel */
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pixel_height = height;
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pixel_height *= line_height;
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/* ... and add the space between the text and the buttons */
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pixel_height += SPACE_BETWEEN_TEXT_AND_BUTTONS_IN_PIXEL;
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/* calculate offset from top */
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y = 0;
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if ( pixel_height < u8g2_GetDisplayHeight(u8g2) ) {
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y = u8g2_GetDisplayHeight(u8g2);
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y -= pixel_height;
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y /= 2;
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}
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y += u8g2_GetAscent(u8g2);
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u8g2_FirstPage(u8g2);
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do {
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yy = y;
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/* draw message box */
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yy += u8g2_DrawUTF8Lines(u8g2, 0, yy, u8g2_GetDisplayWidth(u8g2), line_height, title1);
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if ( title2 != NULL ) {
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u8g2_DrawUTF8Line(u8g2, 0, yy, u8g2_GetDisplayWidth(u8g2), title2, 0, 0);
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yy+=line_height;
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}
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yy += u8g2_DrawUTF8Lines(u8g2, 0, yy, u8g2_GetDisplayWidth(u8g2), line_height, title3);
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yy += SPACE_BETWEEN_TEXT_AND_BUTTONS_IN_PIXEL;
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button_cnt = my_draw_button_line(u8g2, yy, u8g2_GetDisplayWidth(u8g2), cursor, buttons);
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} while( u8g2_NextPage(u8g2) );
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return button_cnt;
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}
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#define MY_BORDER_SIZE 1
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/*
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selection list with string line
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returns line height
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*/
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// static u8g2_uint_t my_draw_selection_list_line(u8g2_t *u8g2, u8sl_t *u8sl, u8g2_uint_t y, uint8_t idx, const char *s) U8G2_NOINLINE;
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static u8g2_uint_t my_draw_selection_list_line(u8g2_t *u8g2, u8sl_t *u8sl, u8g2_uint_t y, uint8_t idx, const char *s)
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{
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u8g2_uint_t yy;
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uint8_t border_size = 0;
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uint8_t is_invert = 0;
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u8g2_uint_t line_height = u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2) + MY_BORDER_SIZE;
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/* calculate offset from display upper border */
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yy = idx;
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yy -= u8sl->first_pos;
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yy *= line_height;
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yy += y;
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/* check whether this is the current cursor line */
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if ( idx == u8sl->current_pos )
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{
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border_size = MY_BORDER_SIZE;
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is_invert = 1;
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}
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/* get the line from the array */
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s = u8x8_GetStringLineStart(idx, s);
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/* draw the line */
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if ( s == NULL )
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s = "";
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u8g2_DrawUTF8Line(u8g2, MY_BORDER_SIZE, y, u8g2_GetDisplayWidth(u8g2) - 2 * MY_BORDER_SIZE, s, border_size, is_invert);
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return line_height;
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}
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static void my_DrawSelectionList(u8g2_t *u8g2, u8sl_t *u8sl, u8g2_uint_t y, const char *s)
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{
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uint8_t i;
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for( i = 0; i < u8sl->visible; i++ )
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{
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y += my_draw_selection_list_line(u8g2, u8sl, y, i + u8sl->first_pos, s);
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}
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}
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/*
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title: NULL for no title, valid str for title line. Can contain mutliple lines, separated by '\n'
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start_pos: default position for the cursor, first line is 1.
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sl: string list (list of strings separated by \n)
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returns the number of options (depending on sl)
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side effects:
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u8g2_SetFontDirection(u8g2, 0);
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u8g2_SetFontPosBaseline(u8g2);
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*/
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uint8_t my_UserInterfaceSelectionList(u8g2_t *u8g2, const char *title, uint8_t start_pos, const char *sl)
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{
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u8sl_t u8sl;
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u8g2_uint_t yy;
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u8g2_uint_t line_height = u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2) + MY_BORDER_SIZE;
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uint8_t title_lines = u8x8_GetStringLineCnt(title);
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uint8_t display_lines;
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// if ( start_pos > 0 ) /* issue 112 */
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// start_pos--; /* issue 112 */
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if ( title_lines > 0 )
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{
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display_lines = (u8g2_GetDisplayHeight(u8g2) - 3) / line_height;
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u8sl.visible = display_lines;
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u8sl.visible -= title_lines;
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}
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else
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{
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display_lines = u8g2_GetDisplayHeight(u8g2) / line_height;
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u8sl.visible = display_lines;
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}
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u8sl.total = u8x8_GetStringLineCnt(sl);
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u8sl.first_pos = 0;
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u8sl.current_pos = start_pos;
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if ( u8sl.current_pos >= u8sl.total )
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u8sl.current_pos = u8sl.total - 1;
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if ( u8sl.first_pos + u8sl.visible <= u8sl.current_pos )
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u8sl.first_pos = u8sl.current_pos - u8sl.visible + 1;
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u8g2_SetFontPosBaseline(u8g2);
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u8g2_FirstPage(u8g2);
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do {
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yy = u8g2_GetAscent(u8g2);
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if ( title_lines > 0 )
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{
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yy += u8g2_DrawUTF8Lines(u8g2, 0, yy, u8g2_GetDisplayWidth(u8g2), line_height, title);
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u8g2_DrawHLine(u8g2, 0, yy-line_height- u8g2_GetDescent(u8g2) + 1, u8g2_GetDisplayWidth(u8g2));
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yy += 3;
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}
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my_DrawSelectionList(u8g2, &u8sl, yy, sl);
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} while( u8g2_NextPage(u8g2) );
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return u8sl.total;
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}
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void my_UserInterfaceInputValueString(u8g2_t *u8g2, const char *title, const char *sub, const char *text)
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{
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uint8_t line_height;
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uint8_t height;
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u8g2_uint_t pixel_height;
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u8g2_uint_t x, y, yy;
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u8g2_uint_t pixel_width;
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/* only horizontal strings are supported, so force this here */
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u8g2_SetFontDirection(u8g2, 0);
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/* force baseline position */
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u8g2_SetFontPosBaseline(u8g2);
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/* calculate line height */
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line_height = u8g2_GetAscent(u8g2);
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line_height -= u8g2_GetDescent(u8g2);
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/* calculate overall height of the input value box */
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height = 1; /* value input line */
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height += u8x8_GetStringLineCnt(title);
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height += u8x8_GetStringLineCnt(sub);
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/* calculate the height in pixel */
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pixel_height = height;
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pixel_height *= line_height;
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/* calculate offset from top */
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y = 0;
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if ( pixel_height < u8g2_GetDisplayHeight(u8g2) )
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{
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y = u8g2_GetDisplayHeight(u8g2);
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y -= pixel_height;
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y /= 2;
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}
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/* calculate offset from left for the label */
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x = 0;
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pixel_width = u8g2_GetUTF8Width(u8g2, text);
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if ( pixel_width < u8g2_GetDisplayWidth(u8g2) ) {
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x = u8g2_GetDisplayWidth(u8g2);
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x -= pixel_width;
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x /= 2;
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}
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u8g2_FirstPage(u8g2);
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do {
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yy = y;
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yy += u8g2_DrawUTF8Lines(u8g2, 0, yy, u8g2_GetDisplayWidth(u8g2), line_height, title);
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yy += u8g2_DrawUTF8Lines(u8g2, 0, yy, u8g2_GetDisplayWidth(u8g2), line_height, sub);
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u8g2_DrawUTF8(u8g2, x, yy, text);
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} while( u8g2_NextPage(u8g2) );
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}
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// void my_UserInterfaceInputValue(u8g2_t *u8g2, const char *title, const char *pre, uint8_t value, uint8_t digits, const char *post)
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// {
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// uint8_t line_height;
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// uint8_t height;
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// u8g2_uint_t pixel_height;
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// u8g2_uint_t y, yy;
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// u8g2_uint_t pixel_width;
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// u8g2_uint_t x, xx;
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// /* only horizontal strings are supported, so force this here */
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// u8g2_SetFontDirection(u8g2, 0);
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// /* force baseline position */
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// u8g2_SetFontPosBaseline(u8g2);
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// /* calculate line height */
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// line_height = u8g2_GetAscent(u8g2);
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// line_height -= u8g2_GetDescent(u8g2);
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// /* calculate overall height of the input value box */
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// height = 1; /* value input line */
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// height += u8x8_GetStringLineCnt(title);
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// /* calculate the height in pixel */
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// pixel_height = height;
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// pixel_height *= line_height;
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// /* calculate offset from top */
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// y = 0;
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// if ( pixel_height < u8g2_GetDisplayHeight(u8g2) )
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// {
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// y = u8g2_GetDisplayHeight(u8g2);
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// y -= pixel_height;
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// y /= 2;
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// }
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// /* calculate offset from left for the label */
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// x = 0;
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// pixel_width = u8g2_GetUTF8Width(u8g2, pre);
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// pixel_width += u8g2_GetUTF8Width(u8g2, "0") * digits;
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// pixel_width += u8g2_GetUTF8Width(u8g2, post);
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// if ( pixel_width < u8g2_GetDisplayWidth(u8g2) ) {
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// x = u8g2_GetDisplayWidth(u8g2);
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// x -= pixel_width;
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// x /= 2;
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// }
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// u8g2_FirstPage(u8g2);
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// do {
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// yy = y;
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// yy += u8g2_DrawUTF8Lines(u8g2, 0, yy, u8g2_GetDisplayWidth(u8g2), line_height, title);
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// xx = x;
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// xx += u8g2_DrawUTF8(u8g2, xx, yy, pre);
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// xx += u8g2_DrawUTF8(u8g2, xx, yy, u8x8_u8toa(value, digits));
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// u8g2_DrawUTF8(u8g2, xx, yy, post);
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// } while( u8g2_NextPage(u8g2) );
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// }
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// original u8x8_read_pin_state(), aber nicht static
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uint8_t my_read_pin_state(u8x8_t *u8x8)
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{
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uint8_t i;
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uint8_t pin_state;
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pin_state = 255; /* be compatible with the setup of the default pin setup, which is 255 */
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for( i = 0; i < U8X8_PIN_INPUT_CNT; i++ )
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{
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pin_state <<= 1;
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/* the callback function should put the return value into this variable */
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u8x8->gpio_result = 1;
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u8x8_gpio_call(u8x8, U8X8_MSG_GPIO(i+U8X8_PIN_OUTPUT_CNT), 0);
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pin_state |= u8x8->gpio_result & 1;
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}
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return pin_state;
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}
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} //extern "C"
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